PH27087A - Surface material for sanitary articles - Google Patents

Surface material for sanitary articles Download PDF

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Publication number
PH27087A
PH27087A PH37294A PH37294A PH27087A PH 27087 A PH27087 A PH 27087A PH 37294 A PH37294 A PH 37294A PH 37294 A PH37294 A PH 37294A PH 27087 A PH27087 A PH 27087A
Authority
PH
Philippines
Prior art keywords
coe
film
layer
fiber
surface material
Prior art date
Application number
PH37294A
Inventor
Akira Yamanoi
Takatoshi Kobayashi
Daisuke Shiba
Yasunori Suda
Original Assignee
Kao Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP62275220A external-priority patent/JPH0775617B2/en
Priority claimed from JP62318333A external-priority patent/JPH082363B2/en
Priority claimed from JP63029159A external-priority patent/JP2602521B2/en
Application filed by Kao Corp filed Critical Kao Corp
Publication of PH27087A publication Critical patent/PH27087A/en

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  • Orthopedics, Nursing, And Contraception (AREA)

Description

: a En WW Cl . CE Ly a . Li . ; : te “ ee iki
Rs or
Lo : i: \ ‘ ’ . RS . Bt
SURFACE MATERIAL FOR SANITARY ARTICLES oo y i Ce z .
The presen! invention relater to an eparface ma barial enitable for nee in gantlary articles such. . a8 dispornble ahrarbant articles. Mord ~ 'b particularly, this Invention is coneeruad with - 8 surface material comprising = shaped film. a . " '. Lo ; nf * . having =~ openiugn and snltable for use in . "mantlary sreideles such as panltsery napking and ©
To similar articles. fp ; CTE Cy . . pe Rt: +10 I Priorcar t.] } Bo oo
CR he, : It; 1a well known that sbsarbent articles: ok Ale Coat ph eon ot NONE SRE pr :
SNE need Hfor aborbing and retaining » liquid’: :
AR IE A :
FE Se \ Jeera ' Se gs excret#d from a human body have a atructure:-. . RE TATE I } pre ye bonsrigine a ligquid-permeable surface material. 1 “, 16 a liquid impermeable and leak-proof back sheet,’ . eh snd “afi absorber disposed therebetween for Pp wl, Eo " vot ;
OY LE i] ;
Cos absorb{og and retaining the, liquid. The. w= “.11guid<pérmeable surface material (also called .
Y, : a “top sheat” or a cover stock”) used in such”
Lo he py 7 20 absorbént articles is required to permit a ,
Cm, CL L od
Sow liquid to be effectively and freely transferred: { tlie | wo { . Cael, oS SR el
NE Ea Be !
Lo . " Te ) ta £7 * Fr TE od - TE : Eg w BAD ORIGINAL 5) . o ’ J i & 2 - - 2 = 2 er i y i ! i : ' Mn : NL | i
Lo , - bo 4 A 2°57 oo CR oo bo : co we , : al CY ’ . Bg Ty = . We A Lo.
Tg ay - ~ .Anto an absorber, to prevent the liquid ky i - . 4 transferred into the absorber from returning, aE : EL SH . a Cy “thereby giving feeling of dryness to thé human + ‘ Bo Cg ’ . © .iI'body, and to be agreeable to the touch sitan it (6 11s in contact with the surface of a human body. oe SE hb Fo 5 i : oo Co %7.7 To attain this object, many proposals have Sy i = Fat SRL ST
A Cte + Gaen made and so are also improved technlaues. Le
The ® Tag .
Sheet re $i ¥or axample, a typical technique dofprises
Co oy Se in oo
Co x $%sing as the surface material a nonwoven © we ; an st Co
La 19 3:fabrie, i.e.. an assembly of fine hydrophobia .
J ‘fibers, so as to provide a clearance} of a : . hydrophobic atmosphere between the human: -, body a we i : . Co : “ 1.and the absorber, thereby not adversely ”
ST Jiaffeating permeation of a fluid and rélieving oo
RT a 16 fluid return from an absorber whereby a
IT gubstantially dry surface is provided. (Bae
Sh . Japaneas Patent Laid-Open No. 16060/1883).
TN Ce ‘3 oe * Another typical technique comprises providing a
Ce s.pydrophobic and liquid-impermeable film with
La 20 { gpenings, thereby further relieving {11quid . " oa Co : gn ha i - ' {return from ann absorber (see japanese patent ’ . + Publication No. 17@2681/1982 and Japanese ‘Patent ho $l Fi
Cn 5 *u ql : i ¥ - & oe R BAD ORIGINAL 9 :
Lo TE wl :
LE CE i - cL cae fy | RE . {
: - a i” we’ Ce
LL Laid<Open No. 1349/1982). na : HE
However, in these technigues. use of a . nonwoven fabric of hydrophobic material has a
IE i! a : drawback that the lianid to be transferred into t . B an absorber tande to be retained in the minute fh, apade inevitably formed in the fiber aEEembly : ; and. that upon application of pressure, "the , retained liauid is readily transferred toward the surface of the human body. Eepecially, in . 12 the’.case of a colored liquid, such as mentiual blood, 1t exhibits a grave visual defect. Sy
In the meantime, it has been proposed. to : ea a oy
CE provide a liguid-impermeable film with a _ : 3 i hE , ! a | k . a particular opening, thereby dacreased liguld yo 3 5 . ! : Ll : i R ~ } : 16 retention in the surface material so as not: to io ~ = . adversely affect the emmential functions ot) the Aon ‘ A : ol on 7 VS VE ' \ ’ - he + surface material. However, due to “{ithe So : .. hydrophobic property of the film, the opefiing
B ares nuet be large to ensure free passage of ‘a Cb liquid. ~~ further. due to the lces of “the P hydrophobic property within the opening, a “
BER - 4 - i : “ % 8 BAD ORIGINAL g)) th 3
WE 8 a . : 4 Te : A SL
Ce ia gE | : teipey, : } LT - i. ne va Lrg Perm RISE
ERA CR SR 0 nd nt oo Dann - 7] Ll BolT pens ; + +. - temo i [RS a : Eat CL uA
CE Th cr bon
Lo i : Le ~ i _ oo cn prevention of the liguld return In the opposite :
S direction in nok alwaye successful. In the 4 T - he ~ - ’
Cl case of the sheorption of a colored liguid;. the Cd liguid Je ohgervable through the opening. ‘
Lo . > ue, .
Therefore. thie surface material ig not alWays eo : i“ : : desirable. .
Cen , : “ cCongegquently, early development of a —-- - :
Ey ! - gurface material permitting free passage of a & pe : fluid into an abeorher. preventing the fluid : 12 from returning and capable of covering the , color nf the liquid absorbed in the care of the cL A . abgorption ~1 = celored liquid har been desired . . EE . Ny . . . i CE i Co
SL + in the art. A : cL
Poon es oC Ea Cn 5 Lh Go BEE
CT LG (Bummary nf the Invention) aiken : Co yt LE CI Co oo lL 15. A ganitary article of the invention - ot compriree an absorbent annd a sheet of “a ; * ‘ A : Sir } . . gurface material to envelop the absorbent; the : ; Loe sheet comprising an opague, hydrophobic film, ) oo : Yi Hoe ¢ : : ! having recesses in ite land portion, which? is - ! 20 called alan a top section, the receasser being . . g formed to have a bottom portion and side walls, * . of A nw ha = i - Ln
Cl A cE BAD ORIGINAL 9 j LE So i PF oo ER i i. nc a she : Cork
Lo Re he i 4 : s : Lr . 1h PR CE . , 3 Xe. he ! i - the elde walle having = alonting part, the Co Cn slanting port belng provited therein with sn
Ck
BE opening so thak the slanting part having the opening may nob he eoverad with the lend b portion. The opening Aas nluavys exposed Ce
Ctolsblght when 11 de loaves] dann at ) Colt de preferable Lhet Fhe spending hae a ~ sizes af WY ba 39 guava mn aed Lhe anmbdf of - ohenings ranges from | to 100 per one ddHAre
Coin CR
ST oo 18 am’ of tha sheet. An angle formed bet wedn the
SE = land portion ond the slanting part of the’ side - waddle in preferred bo rangs from 200 to leas
Co } than the right nagle, Wo - oo
Cw In additicn, +he Yneentlon inc Tndés. “the i oh . 16 following five prafarahle amladiman hs (1¥% vo Co oT il. a wl el (6). as ' i roo RE dE : ! CED The gheal compriess the spague,’ " hydrophobic film and a» Laver of fibrous : v aggreanten. ined on the film on the side; to ; ia - } A ; . ) contact the akin of a ueer, Be : Cl 2) The rheet compricen the opadie, ge mg a dep
Co Cul RL sad RE 3 Pd Sa a ' ch SR La Cd “i hema 9) w BAD RIG
PH aE Fol a Rs v og ‘ ty fA :
CE : ie
Ea | i oo
Cag . cL . cu a
Lo et Sgr 3 EEE Ln Cy
Ce ChE Ce Ce
Sa w or FR ve Ge rs or
OE IR "
Ro "iE . / ae . ’ hydiophobic film and a layer of fibrous o - agAregates lined on the film on the side nearer : the absorbent. Co 1(8) The bottom portion is formed to be Se i Co Shr convex upwardly, or toward the inalde of i Cant ; recéss. Lg . : C4) The enrtace material exhiblite a height . . of rising water of 192 mm or lower, determined
Lo by.‘{he test method on water sbsorption of paper : ; CRE EN f . z 12 andording te the Klemm sc mothod, referred tgidn Lo bi CPE oA !
Loe AL . ES ek - fo nn co JIB P8141. Thies practically applies to.: the Fo : . Se “ey . embodiment (2), : LE ! . . . 18) The inrface matorial hae a deformation ; Poo
Lm a Hn | CL 2 : exteft at the thickness direction of 4B Pe : JE CE - pilates EE . LEE . . RA ; Ne -
AL 16°. perdént or larger at a pressure of 50 arame ‘Pei Pome i CHRR A Co ,w square’ cm. This 1g preferred to apply to the do ‘ Cher hai 4 TN td : WL
Sua -. embodiment (2), CRE : cL
Ho ' fo . Lope . CRA . 5 Ca ED CEU nh i CE tall id . . The invention will ba explainad in Jetall =
Lo Cm En ; J
SS belog. . and then each ambodiment will rhe Co -
L290 illudfated. Coe " CE fi Le “That 1e. according to the presant . e invention, there im provided a surfaca material : A Zp.
Cd rg oo * “de B24
Lo @ : : BAD ORIGINAL OJ) “oe CRE TE : ot i NE . - 7 _ btm La —~d } or ‘ aE Co
L : Chew : BN bo a A i vg : oo one Lo aga no Fen RE drat He
Cn } i ) 5 y Ll < ] Pi for sanitary articles. characterized in that
Bh sald surfaces material comprises an opaque \ ’ hydrophobic film having a top section, a bottom mseaotion and wall sections connnecting sald top . section ta said bottom section, said wall - section hae & elant part provided with’ an oC opening region in at least part thereof “and
EE sald slant part provided with sald opéning region ie not covered with said top sectiou.- oo 19 Brief Description of thr Drawinge: - .% Fig. 1 ie a perspective view of an example ) of the surface material according to J the oo
CL present invention. Fige. 2 to’8 annd Figs: 10 ~ * Ch : Co - J and 11 are enlarged viewe of openings regions Cao ~~ 16 presennt inn examples of the gurface matgrial ol cL Co WA . \ oo oo acgording to the present invention. Fig. 8.) 1s
CE TEN
I . . a plan view of the surface material having an oo opening region shown in Fig. 8. Fige. 12. and ; 13; ‘are enlarged views of opening regions E :
Te et ; : present in comparative surface naterials.
Fige. 14 and 21 each explain how to determine : » & . RY ra : a an angle of the opening. Fig. 1b shows a ghoet w ' i ot 3 . Cw : EE i { ’ Co = 8 - : «l ss 3
Ex BAD ORIGINAL J
Le . Bap } buss LEER (de i Gis A : 2 : 3 : pn” ; tie SX a or - A TS BE i 4.4 | LE iy TAG Be
Ca Sik Go do plE Lo patois BRAT 20 EN “AN y AA SA TT
Gh aan Sok aite dhe Bl PERG panes Srp RRR RE ou iis IAN i
CE a GU RA EA ink ante AAR
. Co oo %, . comprising the hydrophobic film and the lined . layer of fibrous aggregates. Flan. 16 to 19 : = show examples of the seheots having convex bottom porilione. Fig. 2 explains = the definition of the convex form on the bottom Ce portion. Flgr. 22 and 23 ench show - a combination of the sheet of surface material and an abeorbent. In the drawing. the numeral
Te oo : reference to 1 shows the top section and the - - 19 land portion; 2, the bottom portion: a, the wall portion; 4, the opening; 6, ' the oo hydrophobic film; 6, the layer of fibrous a aggregates, 7, the sbsorbant; 8, a cheet of
Ce : | fibrous absorbent; and 9, the sheet of surface
SE 16 material. | o Co | - “ The present invention will further ’ be in vo described with reference to the drawings. is Hy ria. 1 is a perspective view of a typical Co node of the surface material of the present - : 20 invention. Fig. 2 ims an enlarged view of the opening region thereof. The eurface material 2 of the present invention comprises an opaque - : nydrophobic film having a top ection 1, a
Co a g oo _ 8 - 2 | { : - BAD ORIGINAL 9)
Co : a i
Co ; Ey CC i fe Po : ou - Lo 5 bottom section 2 apd wall sections 3 connecting them ~ to each other.
The wall section 3 has a . elant part.
At least part of the slant part is provided with an opening region 4. The nlant hE 6 part having an opening region is not covered ) with a top gection 1. The opening region = 4 . i playe n role of =» passage for a liquid \ excrqted from a human body. - ™ is different from a hydrophobic fim 19 having an opening of tapering capillary form as ~ disclosed in Japanese Patent Publication No. 17981/1982. the surface material of the present oo invention is highly effective in preventing the . - absorbed liguid from returning from the | Co 16 abaorber to the surface (hereinafter referred Co ~ Bh to as. "11qnid return preventive effect”) and ‘tn.
Co - covering thes colored portion, formed by the . - absorption of a colored liguid, of the absorbar . (hereinafter referred to ae “covering effect”) even when a large opening permitting raptd : transfer of a liquid excreted from a human body.
Co (hereinafter referred to a8 “11quid - . - . ; ! z oo - 10 - BAD: ORIGINAL J / Cee om
§ a t . ¥ - Ta . / I oo t ; im pute : LE 9% Cee EEL
LE Fe ChE ET - rE i ChE : : cy } . . Ap } - permeability”) ie provided, because the wall a : section thereof has a slant part provided with Ea an opening region. Moreover, since the alant part having sn opening region ie not covered “ b with the top section, the openings are retainned in the surface material sand liquid : . permaability does not decrease, even when a oo ro high preseure ie applied to the abeorbent . articles by the body of the wearer. By 1® contrast, when the slant part having an opening region ia covered with the top section, the Lo openings are «logged with the top section npon oo ~ application of a pressure thereto, thereby | Co i causing liquid permeability to markedly i i ce 1b decrease. Thie does not meet the object of the CoE poo present invention. or ’
EL aE Lo KN
Co “Another important advantage attained ‘by oo ' nN . v 5 x - a : . or providing the slant part of the wall section Cn with i ann opening region is that a 1liguld is a . 20 promtly removed from the body surface of the Co © wearer and ‘that the liquid flows at a place oo PT
SE apart from the body surface. As a result, the : LE oo Sn . i EE i BAD;ORIGINAL 0 : x i os in - * bo
Sou ; Efe JOR 7047, SR hE oo . on | ET ! LE a : pn SL . oo uo cn w pte Poo ) skin of the wesrer can be kept dry (hereinafter Co i» : referred to ss "surface dryneas”). Thus, the : 0 . absorbent articles canbe used comfortably. Cn ’ ipa | " ‘ . !
The spparent thickness of the surface } Th material, 1.e., the distance between the top section snd the bottom section may be arbitrarily chosen as far as sufficient liquid. ) return preventive effect and surface dryness
CL are !@neured. However, 1t is hgenerally : 10 preferred that the thickness be @.1 to 5 mm. i oan Ln i TY : The sire and density of the opening may be:
Ce arbitrarily chosen as far as an appropriate’ Lo
Cg balange is eatablished among liquid. . Co . i RE : Cg = APE oo oT permeability, liquid return preventive etfeat , SE ~ . 1b and covering effect. Howaver, it ia generally : Lo
Le } w Fa : Es ka o . pw ; preferred that the sise of the opening be 8.82: Co . i T Vir or ] SE Co
SU to 30 mm’ and that ite density be 1 to 190 /cm2, v " yp gs oo
Rt : Ah ; : : . The ‘angle which the plane involving the top
LG i ‘ section connected to the wall section having an.
SE REC A Co 28 opening region makes with the slant part (a ih :
He Rt
LE gd : Sn ce CL } Ce - 12 - . Ff a { - EY . BAD ORIGINAL @
LL an . R ‘ ~ 2 oo E | Geo WT Fg oo Fig. 2) may be arbitrarily chosen as far ae the } opening region 18 nnot covered with the top
Co | gection, thst ie, smaller than a right angle.
However. 1t is generally preferred that the
Bb angle be 20° or more to ensure sufficient : aS : liquid return preventive and covering effects.
Lo It ig necessary for the hydrophobic film employed in the present invention to be opaque . : : 8ince a hydrophobic film itself ie opaque, the 19 surface material having an opening region according to the present invention is also - . ~ opaqus. The surface material can be suitably used as a surface material for absorbent : : a articles absorbing a colored liquid such ‘as 3 : > 16 menstural blood. The opaqueness of the surface. a a | material having an opening region as y j numerically evaluated in terms of ani tetoes } (see Examples). It ie preferred that © the whiteness be 20% or more. . . © There are various methods for providing the : £11m with opaqueness. For Example, opaqueness
I a oa on { . hE - 13 - BAD ORIGINAL J i Lo 1 hn
RTT Ww | apt
Cy i | . i can ve provided by adding a white plgment, eich : : a8 titanium oxide or zinc oxide, to a resin in ‘ the = film manufacturing step. Almo, the oo : ol opaqueness can be provided by cont ing a film a a 5 surface with a blend of a whlte pigment with an - appropriate binder euch as acrylic, vinyl “or on : Ll of fois ©) . rubber binders. The methods for providing Fl er opagueneas ars not limited, however, to “the He above-described ones a8 far ae nnecessary
CL 10 opaghenens can ba provided. oo
E : The major component of the hydrophobic film Co : may be any arbitrary hydrophobic resin such an : a polyolefin, a copolymer of an olefin with cL
CL acrylic esters, vinyl acetate and othr : cL i 16 monokers, a polyester, a polyamide. collulohe a - oo acetate or the.like. Generally. however,’ a | oo : . 1. polyolefin and a copolymer of an olefin “with | } . Td *- other monomer are preferred from the viewpoint of ‘hand and drape. i : ot 20 {The opening region 1g formed inn. ta .
Co : hydrophobic film, by, e.€., meshing "of -
Co : protruding and recessed dies, such "as oo . Lod - : SE CER oo TR - 14 - : BAD ORIGINAL Z
Ye : E
Ss ; fa . sett .
Be Co AE ANE - Tr. . . . embodsing, by vacuum suchion, or by pneumatic pressurization, An appropriate method should - be chosen in accordance with the resin
Cn co » constituting the hvdrophobic film and the type of the opening as desired. } re
Lo Returning Lo the drawings, typleal
Co examples of the surface material of the present - invention will be described. :
In the surface material of Fla. 2, a bottom : 16 section 2 is formed adjacent to an opening - region 4. CL gm : : However, ae shown in Fig. 3, a bottom
IEE section may be disposed apart from an opening
Nr RE : So -
CL region 4. In this connection, in the care; .of Co : 16 © the i surface material of Fig. 2. Aa 11quid
Co J * exareted onto the bottom rection 1s promtly transferred to the absorber through the opening ; oo redion 4. On the other hand, in the case Of Co the: surface material of Fig. 3, there 18. a Lo 28 possibility that a 1lianld might be retained in
CC ra. . - i LF Co) . ’oy . ]
Ce : { t - 16 - : Ca
Loh a C3 : BAD ORIGINAL on ESE
Da TL Co a space defined by the bottom section 2 and : wall ‘sections 3. Therefore, the structure as oo - - shown in dFig. 2 is preferred. } oT : In either of Fige. 2 sand 3, the opening REN ; 5 region: 4 of the eurface material ie rectangular. However, its shape ie not } particularly limited, for it may be of - : arbitrary form. For example, as shown in Figs,’ 4 and 5, the opening region may be trapezoidal and semicircular. Morsover, as shown in Fig: 6, a plurality of opening regions 4 may be : ' } formed on one slant part of a wall rection. :
Co Also, “ae shown in Fig. 7, an opening region 4 ’
Co | nay be formed over the entire reqlon of one - ne 16 slant part of a wall section 3. - ww ‘ CL a : Co - pag
Bex In an example as shown in Fig. B, =a wall | Th section 3 having no opening is of the form of ° a circular segment. An opening region 4 le ; .
So | formed “over the entire region of the adjacent: oo 20 semicircular slant parts of the wall section. - : Fig. 9 ie a plan view of the same as viewed oo + : i : {
LH - 16 ~- ~ . gAD ORIGINAL J
1 . so :
Shy : Cee A Y Co a Cr : To ~ a po - from’, the upside. In this case, the bottom ae section is represented as a point or line at ‘ - Ly iE . sd Neel .
Co which the distance from the top section plane - } i. ' - is the maximum within the wall sections. cL b In ann example shown in Fig. 19, an opening te : region’ 4 te formed in a slant part of a wall } section surrounded by wall sections having hd opening region and by a top eection. A bottom
I ‘ section 2 ie represented ag a line constituting : . 12 a houndary between one wall section and the : opening region. Co oo
Se \ NAR : Ae Ce EE -
Rig. 11 shows ann example in which a wall i section 3 having an opening region 4 lise Ce : Co Ce : Co i . conigal. In this case as well,’ the number ‘of : : rh CIRC an Ey : ni... 16 opening regions 4, the shape thereof and Col
LE Co CAE Lo Vy os ~~ whether or not a bottom section 2 1s adjacent FT ~, to; Ithe opening region 4 may be freely Co Lo : ‘ J - oat ty tow nn : : oo .. determined. ER ’ : i - : - g . ; \
CE a i : : x ' . | i -
LE LY oy
In the foregoing examples, it is not always Oo . : i NC KF necessary for the opening region to be present: ‘ Co : | SR | we oo : 7 2 oo : ’ | 3 ! : . ) oy oo . ~ - Ye : : ‘ & Gal
SL Ha . SA L :
OE iahp ORGIA #
SEL : Fe = - Be Co . EX \
: : EB * ’ # % il A 8 J
SE . Fr . sath vn 4 Vir Tel wT oe v . GE } A ' & . SAAN SS Li al oon oo ‘ fy . CBEL ey TE Re oT Si \ ele SRR a Re
LaF ME SOWIE LET : So , Se dre ’ con ela 00 . | ol ; - iy. N } : Cy fh rte ¥
Co SEI | » i Cw on the slant part of the wall section specified IE : in. the drawinge. The opening may be present at a Co any arbitrary slant part of the wall aection, oo “a v, T : “ Lc { . unleas the opening region im covered with the ) “ 5) top. section. ae EE : : ; oh
AB degeribed above and ae apparent from. the 5. : . examples of Figs. 1 to 11. the surface material of . the present. invention comprises = a \ o . ‘ hydrophobic opaque film having a top section, a
Ls +5 a : © 18 bottom section and wall sections connegting co vn oo CE oo them: to each other. The wall section has a bee dl > . .slant part. and at jeast part of the slant: part ~ ie
LE | eigfed oo
ST 1g lprovided with an opening region. The slant - . IN, hg - : J. ile ’ . UES . : Joe
Co een paft having an opéning region takes a shap$ . in : i
CoE eR : : TRE ERI oo CT 156 which 1it 1s not covered with the top , sadhién. CE
Lo asd ELE Vine CE
Po = GoYaequently. even when pressure is applied EE
Co opr IR Cn Ao
Nts T thareto, a fluid can freely pass the surface : Lo : HO gy material. Further, fluid return 1s little In 3} : Co £0 REY Si g . Cr Lh EE 4 on the case of the absorption of a colored fluid : SR STE I : ad; well, the coloring after absorption caf ' be : : ! Lower : sear , . t . . Ey ve ]
So rejioved. Therefore, the present surface . : : oo . J oan SE . RE : material can be suitably employed in sanitary - : . Ea Ve . as : Co en Co
Co : articles such as absorbent articles, especially i ge gol
TH ai ; ; EX - 18 - yO 4 Co
Co I 3 to A oo oT Co cE WEE Jf A
Bl } TA Ra B. A > : a 3 | D'ORIGINAL 0 oo ’ . . - 5 : =, : ’ . . Co ’ ba SE : : LIE a ho - Tn 5 2 oo . Lo : AEE -
. o : 2 Chess tte. a a SRS . . : . SM ad Ne 02 ly kl BRN gr
Sh aS eck np ew REEL : he Coro epee AONE Cod a A 4 & HoH apes TTR | “A hy AS
RS Ts pu : : nga 3 WR doa Ta bo Sp : ages CN Ses rE Re 1 SE IE xn NEL Sn
Co - J n, Tn co Bi : : Co : REN Ee a sanitary napkin for use in the absorption of Hoe : a colored liquid, e.g., menstural blood. oo “ Li ; ‘It 18 to be noted that the surface material LL of the present’ invention ia not limited to the Te : + Bb above exsmples and thaty various modification can be wade as far as the above-described .
CA : requirements are met. "The embodiment (1) ig explained helow. In : the sanitary article of the invention, the surface sheet comprises a layer consisting of a i first. layer made of a fibroue aggregate and to
Co i be ‘in-contact with the skin and a second layer - oo So made of a hydrophobic porous sheet, wherein the Co at © first:layer and the second layer are integrated : Lu
L .., ... ..15 with each other. So Co i re I Lo ge : LE ST ~ | © ‘The second layer is prepared in the same : : . way a8 shown above and details of the first : : - : . , FA \ ~ I ’ : : . Co . oo layer are explained in the embodiment (2). = ag a : : Cra Co Ce
The 11quid retention of a non-woven fabric : a ; . He : . ; 20 ORIGINA 5 -
Bhd
PE bo oo
SL SE ’ ’ So PETER The pe wR ChE pes
To A Ce ak - tn Cog Co - . ur . g - = E : " er) ” i, =r : - oo Le FC . + - Nd Baile iD can . ba improved by widening the interfiber URRY : ws EA Co . gpages thereof and decrerasing the number of : CC the minute interfiber spaces. In the present
I invention, Integration of a non-woven fabrie Co : b layer with a porous shee! makes 1b possible to decrease the number of fibers of the non-woven fabric layer (namely to use a thick fiber or.te
Co cae LT wh © nat
REE Fe SRE
FC decréase the basie weight thereof) to auch ah
Lo OR So eo oo i extent that single use of a non-woven fabric
A Ng Cn + 18 may: be usually unpractical because of the low : al Cad CE oh strangth thereof. Therefore, the liquid : Cel . ' afd Ce Lob
SR uy F— Sal "3A . oo retention of +the non-woven fabric layer ia : ' SERN : Lhe : ' COREY
Cl greatly improved and the eurface hand oth : . A Land . : < Ca ‘porous sheet can be made like that of a ‘non= ew pe x 16 woven fabric. Further, the integration of ‘the Co
Lo Hp ae - ET Co : OR rt ¥ LARD - a “I. non‘woven fabric layer with the porous sheet :
A Cd : A Lee
A maked > it possible to largely mitigate ithe : } Win ~ . . LEER } -
A Sr . fest . LEE * ; aboys-mentiloned uncomfortableness in wearihi Co : v x “ ‘ pA st . ° . which is peculiar to the porous sheet, becavise - © 20 the ‘excretion rapidly reachee the porous sheet by virtue of diffusion thereof dut to.-"the SR LO . oo capillary structure of the non-woven fabric a
EVE wa rei, re oo WE : che oo LAER Co
Be | St 3
Co | BAD ORIGINAL 29 . on CR . Faas . So Ss lk : Caer - 20 - SELL . “ hw Ri }
. CR UE J o dy hE 9 > oo : a pr Coen
CRE Sf CoE
Piel . . . : . Ped Co
Sh on fl ch LE So
CEE Sn .
The -, structures of the firet laver and the . ~ second: layer 3D the present jpvent ion will be ; Gh nl " described in detail. A "
It ie desired that the fiyrat layer has 8% atraghure whercin it 18 a1FFLeult for a Viauid
Ck n 2h 5 : :
Ja RS . to remain. The ALfEioulty of A 1 1audds - Tag Cane : oo remaining in the firet laver depends on the
TE Ce : \ RY : Eh . ~ diestahge between the flhera and tha haglp. weight, thereot. aipas the dietones he tween the
Se | pki
Sale only 19 fibegs can pe chosen in a wide range if the. : basil, cwelght jo gaffloiently amall, tie
Ir eA
Co Hyg ni
Lo desirable that the basie weight be In A range . Co Cyr . Lathe
CLE of “Aito 15 g/m". When the distance bed wean, the : Co Co LEE : Ce Chie Cad
She fibers ie large. 1b 1s difficult for 2 114g. : SE GE ae t Aue. 1B to itemain in the first layer eveu 1 the baglB : br EEE welght 1s comparatively large. Thue, ithe 3 Cs Ee ro ano oo mR aiptatce between the fibers 18 depirably 4d: am s Ls Aa SE he, -
Co oriinrger. Accordingly. it ig mont Aart rahle .
BYE A : hE u oh that.) the hapie weight be 4 to 16 g/m“ and, hie : : i | Fa
ALELance baturan fibers be 4¢ nm Or 1argery iE: : Le ah .
Pr : RISER b
SED wv
Ea na
Ze When the surface material ancording to khe
A > . ed 5 :
Lf . ‘ OF Well, : oe BE A nN CEA LE : ss poy Baik 3
Ce Ahn : BAD. DRIGINAL OJ
SEE : ly i = co ai ae gy, . So SEE Eel
Lo SR - 21 - im
Yl nL CL qed! oc Yr oo “a ¥ soe de dr SET Cel ya : preasnt invention comprises, 86 the fibrous a
LL aggregate conatituting the first layer, .one ’ including a conjugate fiber consisting of “two k inde of resin aomponents gatisfying such = : 5 conditions that the melting point of a pirat resin component 1s higher by at least 100°C oo Ce : than that of a second resin component, and that : nL Se the second resin component has 8 pelt . £1oW index: of 19 Lo 50, heat sealing ie possible. ® 16 When euch 2 fibrous aggregate 18 need, the surface material can be fixed to a paterial : to
Al : Sins = : be ibonded thereto and disposed thereunder "(for oo EE example, & polymerlaminated paper having” a
Le CEs, NE z sent EE co laminated portion facing the surface naterial) -
So ; ) i i ,, + ] . uO . . ]
Spo 1b by, s heat genling. In this c28e, an absorbent Lo - ! ” . * LE . . an : ?
Cy SC article having very good leak-proofnees can’; be © obtained. hal - : 7 The invention will be further explained in: i view of the embodiment (2) which 18 woBt on 20 practical. a a
Hy SE Su . he | Geld - + That is, according Yo the present
Tn LE | ~ uf ” a LE i VEE Wn
Cu BE gAD ORIGINAL 9
SCE | kr 27° -
Ynvention. there ie provided s surface material for sanitary articles, characterised in that gy said! surtrce material has sn integral two-layer strugture comprising a film layer to be brought,
Into] contact with the akin and. integrally provided therewith, a fiber layer on the slde of an’ absorber, gad Lilm layer comprises an opaqlys hydrophobic realy baviog a top wsecbion, . a boHLon rection and wall sections osunzobing wr 19 gaidf hor section to satd bhohbiom section, at leash part of said wall seotlion ie provided with an opening region and sald bholbtem sectlon le free from such region. - a - 45 can be understood from the foregoing desaription, the hand and drape of the thrée- = dimensions aide pore film 2an be improved by nak ing nee nf 5 resin having a low rigidity.
Howser, thie bringe about x lowering in “the liquid permeability, The present Inventors have, succeeded in improving the shape . retentivity withont spoiling the hand and drape : through the integration of on Ihren -dimens tonal aide] pore film with ». €iber layer. This : ' co - 23 BAD ORIGINAL 9
Leese ’ : Lo . .
poe a Co
Le OF Ste, .
Bo Si A «7
Bh CS ld ward ve : : Loe 2 as Co of? Joe ge
Co ORY WE Sot A : : CN vl a Co fe yA Ce x . RL ; Ve : - . hs EN . ah EA Rd ST vi ad 5 3,72 Aa
SEE Ee fe : A
RICH Te h.. Sa oC to . Tz 2 he ) . : RE Cy .
Lo enabled the preparation of a surface material, EE oo , which. = is excellent 1p all of the four oo ’ net nate ls ’ t. me Ct “ properties. y.e., the liquid permeability. the - “ . RE } co “ : 1igunig@ return preventive effect, the covering 0B effedt, and the hand and drape: : The film layer and the fiber layer in “the
CEE oT oo oe invantion 1s described more in detail with - - : refgrance to Fig. 15. Ca
Co Ta So . si The hydrophobic ¢11p hae the pane figure : coe and: form 28 ghownn 8bOVE. in addition. openibg
Ca Ce Cie . Lo CE sdb ee 3, ] : Ta I
JRE a:Smay be provided also on the land portion. oo CE padi Fig. 15. If 1s, however oreferred from CLT
Si the! standpoint of both 1iquld return prevenyive Ci
Cn LER Le Co Co : corto : and. covering effects thal 5 % or more of. all
Cl ee nn : - : “r oo oa » iy nL ne [Se
Lo 16 tHe ; opening regions are present onn the, Wall
Soak SEL wp
So ow aks Salts : Co section 3. 11 is more preferable that all. gthe : :
LE, | TE
EE opening regione be present oo Yh wall séation: eo Eo | TEA : EO ges Ia the present invention. the = gpening
B yeglon of the film jayer can arbitrarily be To
Tet CEE
Co 20 provided as far as the 11quid perneabilitys the
Co Ed a i Fi 7 epee
TE SE CT
CE hr gE : EE wold IR vo
Be Mes Lye :
BA (o v BAD ORIGINAL 9) ! : BY . 4 ~ CLA . An ‘ : wn J v7 : | | | Bo Lo
Co . i. 1ignid return preventive effect, and the ’ covering effect are balanced with each other. . However, ‘it is genevslly preferred 1hat the : sine and the Aeomity of ths cpenjog be ¥.1 to 2 b min? and 1¢ to 106 7am? | ragpaectively.
Ta order to jwpsrt a sufficient covering
DY of fect to the surface malerlal, 1h ls ascessary - Lo | that, the f4lm over Lo opaque. When ihe film
So | ldyer ia opaque, the purface material of the 1a ‘presennt. juveption fs wlge opagne. . This : Cl surface wulerinl osu be #ultably need as 8 srtnoe materi for aheorhbent, articles : absorbing rn anlored 1tgoid sgueh as menshroal : a: oo
CL : blood. The opnqueneps 0 the guriace material - 16 {6 numerically expres] in term of whiteness . i (gee Bxanpler) Ih te preferred that the 0 Ee whiteness be 160 0 or mova, :
NE adi - So © There arg varlonge methods Tor providing Lhe
A For eavampla, thn spagqusness oN he ~ : 20 prov ded hy ndding o white pigment to a resin ’ . in the mam fanturing ctep of & Film, Also, Lhe oo a ro or )
Lo BAD ORIGINAL 9 ‘ “ vo - 25 - : : : \
Tar Ee oo wae POT
Ce nt dr Vo : ET a RE ER
Wo : i WE
Sh . i 2 ; Co Ae PE
SE LL SR A
Lo opaqueness can be provided by coating A film Lo . surface with a blend of a white pigment withyan i - appropriate binder. The methods for providing : opagneness Are not limited, however. to hd i | b above-described methods as far a8 neceanaLy
Co opagueness can be provided. | Cin . . . ay . . , whe [ . .
Cle ER LE
CTR Ten a Co Coe | }
Cre # The resin for forming the film layer nay be
LE et Lo riddiih : fo :
Set . any: arbitrary hydrophobic resin. Examplofs 0f : : ~ xa RR CA : : : i LEE ~ : Se
Co «the resin include a polyslefin, A copolymer: of
EN] LEE PE
Co 12 sn’ olefin with other monomer (auch as. ¥inyl ge ChE : es ha FL } . acetate or athyl acrylate). 2 synthetic: ¥esin mugh. as polyester, nylon, or acetate and: a paiyblend thereof. Generally, howevdiy:: & a Cas : oly
Ie CT pglyolefin, as copolymer of an ‘olefin with ‘ther
BE: 1B monomer , and & polyblend thereof are preferred
Co Gh Chad wr En fiom the viewpoint of hand and drape andthe a SE FAI . Sis A SI : Co ~ - brddessability in the actual production.i Among : i Cage, : SATE
E khem, low-density polyethylens, linea; low-
Lo «gets pi. i, . CA) CN Bs ON - . density polyethylene oT an ethylend=¥inyl :
Lo EHS : : : Lan
Te CRE | CT oo 20. “agatate copolymer or 3 blend thereof 18" more a She Ao : . “preferable. na a Cl Although the thickness of the film layer oo cb : Fos Ta 5 . “1 5
Lo oe . | BAD ORIGINAL 9
N . | prot? . | may be for smaller than that of the case where : a tnree-dimeneional side pore film je used ‘ | alone, 1% 18 preferably 3 to 6@ um from the oo viewpoint ‘of the hand and drape and the : b covering effect, more preferably 17 to 4@ um.
Further, in order to regulate the liquid
Co ~ permeability and the liquid return preventive oo fi ortoct: it ie possible to impart & hydrophilic ~ He natufe to the surface of the film layer through
CE 19 ‘a physical treatment, such ae appl loat ion of a - | surfactant and plasma radiation, or a chemical treatment, “mach as a treatment with a mineral acidli Farthermore it ie possible to impart co saber. Tepellency to the surface of the film ; . 1b : Iayet through application nf & silicones or - fluorinated chemical. 2 “Further, according to nneed, such as a need . @ith respect to an improvement in the hand and :
SEE drape, the film layer may be calendered. or " 20 embossed for imparting fine pattern thereto. .
Th BA “The term "fiber layer” used in the present
FEI .
LL i BAD ORIGINAL 9
Ce Sw gy
So ee ; ely : Cot 7? . - yo - AT . [| oe . : ; ~ ! i hea 4 - x ~ oO
Ce, | : hi Sail so : a. wr Ch au } Nie . GL. .
ER Sa LRRD . : ge oh . . : ’ oy ) } PO
So Vi ; . . so Co LL oo CT .
CAE . LA WL ~ . : : He " :
EEN Co
Ld wh < } ~ \
Ce invention in totonded Lo moni the so-called : . i ‘ i 3 : ’ . i . : - weve comer oir fibers slightly Jnterlaced vith each Cbher and unpeven fabri or paper Cin - which the flbern are fixed Lo each other by : ob interlacing cv wdhe pion, oT
Ee co + > | Linas ’ : The fiber way be used lo any compos itionn : Ge Ty . o : i J t, a ’ . . :
CL in othe preseot iuvyend ion. However, ide Co ed SA . gr , oF : tL . dE EE . . . covey
Lo Ch preferred rom bhe viewpoint of Lhe: ‘shape et 4 ' Sra ’ als i
Lo LE pel Co . crag. ‘ el ow : . retertivity Lhat aynthetdc Fibers, ouchl™as
CN : eva
Ce BR . i> -
Cave 10 polyolefin, polyester, acrylic. or polyamide
Cin te : SRC | . RFE E A . . Llp LeU : RE A - ‘ eet R Lg Ah . vole - fibers. be oontaiped dn oon ameont of 53% by weight or wore Among the shove -dernoribed fibers, pol vpropy Lege, : polyedter, : rade CE
LR } eds 0 palyethy lene polypropylene compel te Liber. : . " Ta ’ - : Ee n 1A polyethy lave pe lvester composite fiber, ‘Sand CT - Ldn ER an Cs . es - . . IE a . Se LONpOE Le fibers of a low melting volnt- haying Co — I SEE | : CE Ga
RE Jes lyeat er anne anolbiear pelvester sre more a. CL ss sak Tom .. prafernhle Presrrineie Liyesy hives excellent co
SE elagtiolby aad posdily Brive abontd @table hand . CL ; Ly et ‘ - . EEA . Len diene Where ou gyolhet ic fiher is aged, dh
Ce SE OR Co nay : i no Tooimrgpreterred trom the vicopaint of the liquid Co perieabilite Lhat Lhe gurisee of the Filer. pe
Lo Si RE ab so : CF A Cy : SHE J ———— ! : Wak . Lo
Te BAD Omi: TY : WAI - 28 CH S.
EA Pa LoL hg ~~ . Lo } % Kd Th Lh wort Tr Sage Le
Le . - aa . EN . : ; . Cu Lo V Hs “ “ 3a qob¥ ta : . i! Co pra ) CE ST oa : TE
Cer deer ' Er " k . . . , . " . . i . B or . L : Vc . ' - co subjected to ux treatment for imparting; a } - hydrophilic nature by a enltable method. In Co . general, the thickness of the fibar is i preferably 1 to 18 dennieve from the viewpoint of ‘the llauld permeability and the band and a : drape. : ) Coa “The hagis velght of the fiber laysr may’ be - \_ ro ; SLA st 7 I arbitisrily reelected ss far as the eurfaqe fa a ao material has gnfflicient shape retentivity ‘and : Cay EO Sa
Ce excellent hand and draps. However. in general;
Cl the basie welght or walght per unit area of the - oo fibeh: Laver is preferably 6 to 1 g/end, more oo Co FEA : I ! ' “ . ERE 3 n CT . oo preferably 10 to 5 g/m“. Lie - ’ 7 ’ ’ A : ; . - Ng * ‘ Co CE : — CH Co
FE . Aa . oo 4% inant? : } ¥ A :
Cad VRsprencuiaLive pronesges Tor preparing the Co to
CoE ES Se wo : “aio 16 surface materiol of the present invention ‘are . SE . CT CoE Ee NE ~ - elsagified horadly into the following two. 4 i
PE RN AE PL : : ro © . “THe. firet process comprises Integrabing...a
CE nae a : filmi frex from on opening raglon with a fibev . © layeg by mesns of thermsl adhesicunn or ana
Co Sa, Lf adhesive and perforating the resulting integral . En . I» A * ' +
WE eT # “ - oh oo . .
Co Ae ‘BAD ORIGINAL ¢)
CE] Hg. in . SPOT Pay i fod : ra =, \ i. nx : - cL o
PLE Ee LL So SIE eh oso we co ne ama SET a
To Cenk LER ORE
EE a wl CL
CE Sa , : stricture. This process le advantageous in ‘ Coie - : i I; ENS -
CE productivity over the following process because 7 Co lt: 1g possible to use in this process the '8o-~ r called laminate film prepared by integrating a | Co b Lili’. with a fiber layer in the step of melt- ’ VL . Cite . ’ i REE . CL pe » . ~ + extruding a starting resin to prepare a film: i : PU wiThe second process comprises perforabif. Co £ Cy Neg he CEE : Ce
Ca Tae eel : EL . } TR I } Co > Ee only a film free from an opening region to form
A [ei : . not Yo as
Co in Toh « Sy : Ce vrs : oR : - Sod a irthree-dimensional slide pore film "and “ : Lad } te ; . ’ LL - “Uy RE Ve Lo wow. 18 integrating the film with » fiber laver. fhe ; nL Cy 3 \ J Fa . iE > =” a mn ] ei EY
Co ant integration may be conducted through adhesion co TRE eT me ei
Ei Hehe A : Ly ~ by.meane of thermal adhesion or an adhesive and
CF ORIEN : 0 " . :
Ce SEL Hei oo interlacing Ly means of an air stream or. a . i HE Si : Co high“ bresaure water alream. he ; SET DL Lo al : a . Lo Tl : . sgl . RN . . ; Ley hE CENA A - TRANCE JEL Cn 2 ATE Te . TW Shee Age Mae
To wie TB . ¥With reepect to the film layer and - the : Cpe MUL Te - wr SE aE Copa Cmts - . Cel ; - Ep FR rEg : . Loa { So a Fiber: layer, it will auflics when they are Toon LI : : SL LE EE SL Seed ! Le integrated with each other to such an extent nL vo a gw nik : i ’
Soe NE A bo SI that there is caused nno peeling of them when . SE * SET witty 3 Co .
COTA, ET oo Aly Coa IA
EE the ‘sanitary arteile ls mounted for use. When : :
UE kn Nr .. 20 “the.iintegration im conduoted by adhesion, ‘the . : : : adhesion sites may be uniformly distributed. on
Cd ail
SREP Bo CE ow a
A BAD ‘GRIGINAL J hr Ce
Lo CL CAR : Coan : Een 98 - GE on
CT Tah CEE co
RE sad il LEE iT Cael BERS ; CL TER RA
7 fiat Lg { . EE . ya PE : te ' aafr ho oo Co Sef = 7? 14 wn
Su oe : Ad : Co RE > re CL i . CES Toadies to LL < Co HEE ESE woot a ¥ tu, PE oo : Co the; boundary enrtace of way be distributed in a
So patterned form. :
Co oo
It is to be noted that the surface material of the present invention ie not limited to the . v, b above exsmplee and that various modification * - haa scan he made ae far as the above-dsecribed < i requirements ave met, CL
So The embodiment (3) having the oepvey bottom not Portion in the recesses is described below with : “18 reference to Figs. 18 to 21. i. “
Gi oo
Es The surface sheet of the embodimsnt. (3) : a HE . ’ BE So te Civ comprigas 8 hvdrophoble Film having a top;
Do Lo CoA RC - : : EE section, 7 eubstsntislly upward protruding’ : oo 5
Sr hE bottom “mect lon and wall gestions coonecting
Se Rr dln :
Tor “1b ald x 4op ascotion to aald bottom section, ‘ab. - ,
EE least: part of sald wall section in provided: yf
Lo an Rith ‘an’ opening region and majd hotton rection. oo is free from such region. EI
The Present inventors have sBucceaded in | .
Vel a remarkably improving the permeability to gf a : VR ’
SE Sn BAD ORIGINAL & ; Sr aR Lo CE + EL oo bo EE
ROE ais INE NT oS sR gh fon shoanbiiate do 000 [LAR ei MTOR ANS a 1 Aid SY
SE 3 Bie REL IR A le Shh pie 2:0. JERE TA CE RITE EE aad
A a A EINECS PEERS LB WELOSURAT SRR SERA lh SE A STIL bv OF
WE SE BE a MS RG SHE BE ONT Bry BUTE { CR STV bat 42 $ TroE Ril Cd, i GE OE Si AE RS Rf SONI 5% hn T Lh HE SITS EP 1b href Ba pr fine Sl iti SRARGERTE | a 41 ae ERY 3
AR BEE aA CSIR Ae de TR CA te SSI Me ad COR (CURR ASS A
HETIL AREER RO nd ATH TIA VE Sar To NE RCA a : : ct i 3 3 “ . ol i hi 1 Gr : a : be ; a fl AR i r Ki RE) fn pes 2 " Tat o ie ao ha vy i E : g Pt ol i i « o Soi ‘ a eT EI Cem el ca TRG rim WC Te SV AR #3 pe He hal ol AI Sr ns
AE ae Hr CARTEL TERE OT EE Re, fe aR eT RSE DRE NL SNES:
Coal Fle Ha | LAE TEE SARE AN Era CE Riel ri Lie 8 IOUT Sh 4 ols ca EN CL CE CEN ES aT SAR Ts eg Te Eg ER 0 IE
EY a2 Ep CA En TT Fenn vIn Rh BIST ri Bitgt oe CE . we ef ORR a ei a hE EPIL TR 12. i ay . Toe re em Le bgt ys yh Cals Sart J ub;t Pa EE ARE 1 3 ee NER : Sn Co BT ces EA EE AY NERS Bi
TPO a : Co Pe Ube hd IG CREE 0 OL I SIAR i a : 5 So CT i G0 3 oa ink “ Prob LRN rg BE ; oo See CLT Ta Lei Te pi . . a L wo . . oe wt aE 1 i ME i EWR 2 : : AOLy - viecows liquid through a remarkable WIRE Re ee | CUT wed dl i. decreatie . in the a mount of the high] ui Ne ’ Wg oo Br ghly 7160OUE FART
Lor . . ' eS cE § fguiad nn + : ee DT and . . lignia, retained on the bottom section 2 by * a ay " ] Yn B . Tae i» ER : Torming the boltow sectlon 2 of the three<" : Co 6 dimensional side pore sheot, into subetantially’ | : he Cad upward protruding configuration as chown in .- : a Ve . . Fig. 36... Thin enabled the preparstion of a,
LF CANE SEE Ca Ce - Af _ syd = - C0 pL . Coy oc swrtace material having enfficient vermestl lity EEE . . . opt he . SE i ! . . . a : Saw ’ ETS i? ’ » ! tf. . ep ’ b ~~ - : ' - 2% » ' ~~ Lo oA highly viscous Tiguld and sxeelleant, 1 tanidy - LL wl sR EL ’ 18 return prevent, ive snd covaring affects Sarl : Sin - sr io i i : : } Tix ’ .- J :
EE The surface msterial of the presenti. i inven Llen: annaiats of nly n hydrophobin film 4 :
E . ! vo cy yo layer having the above-dasoribed configuration --
Co or congidte of a hydrophobie Tilm layer having © 15 the absus CL ce . ote Lhe above-desoribed configuration and to bes IRE ot vo brough ria contuct with the skin and a fiber i : 5 ~~ layer provided on the sida of ann absorber iii :
ER BET phy ee : a . : - wT \ a, SEAN so ~. ilvtegrally with eaid hydrophobic £ilm layer Shem bo : oo Vhinl Hy : 5 : Cs RE : REVO " : The zkevm npviayed vrotrodivye " used in her ot 5 So, : 1 . A ] BE
Lo. 208 present Srlnven Lion 1a Intended to mean that eve ) among the icrose sections crossing st least a Co v Lo Say SE oe a a Cem orl : ca & 3 : a . LE CO : CRE : cht
St nt as ORIGINAL 9d oo . : a “ BAD OR . no “3 “1 - 32 - : Hid - Co Co : : ned ary Co
Co Tee i Bae on LE i . } . - } EEN } . Se . nN ‘Gr Sp
Se Ee : Co de 7 8 Ji ot } Cal . : wy’ i k . : u EG, YF A “ fis by A I a Eh I . “ole a Ero ” . 2
Le SNL © AE ge
We His Ce ; Lo NN Of YE
L ! i Tar. : 2 ’ - Lo opening region 4 there is one estiefying a : requiremsnt that x line AB connecting both ends of the bothom section 2 adjacent to the wall : section 3 having the opening region 4 must be located below the bottom section ¥, l.e., ‘on . the alde of tha sbsorber as shown in Fig. 28,
Co The degree of the “upward protraclon” is : . hn he ’ LIN : } REAL FERC -
Lo” 5 nemeriially cxreansoad in berms of Lhe rading ot oo or ci anrvature (see Exsmplon). Tn order to ahiain a ' : Ldn ’ SE
C19 anfficient Uigndd parmcabd 3Iby te a highly vieagud « Liguldl. the rading of oorvolore is
So prefersbly 2.6 mm or less, wore preferably 1.6 Ce . ° oy at 51 Fn . . = mu Ske Les. Wegoos yp, Lhe oprosp goacbicon of She
Fo ta bottom section Le nob necsasarlly aveuated a Co } 15 shLrigtly tut may house fine andl abions ne far : oo Hi frei Lo . . oak “ } . a TAF Sd . :
Gon a6 Hhg bollon section io substantially arconated. Pa
C Sol as Bho le ae shown in Fig, 17. Further, the : ; a oo re : se LT Co :! ’
Lo enlive batbom section io nol vecassssri ly npward: oe ; oo alan Canin - } so oa rrotruding ne fer ae the hotton seation i868 : x at LR CT ot Lon - . . Langs ¥ rE oe Lo PEE . Ce . foo. oe@ parkially upward protruding. For oaxomple, sas Co
Co © showin Fig 18, whan kha end part of the
Co hottom » section 2 <r lta vicinity in opuard . as ! oo : ' protdiog, the centers) part or ite vicinity gy - Ca te . 1) he BAD ORIGINAL Gj
J : wo . HY Con
We er . . . ae Le hea di Lk ee [Pra a
Tyo EB gE CoE Wr Se ’ Cer wo AATEC nl de Bh
WH TES Ye tT Lo . Cot DIRS pt Oe “fe xT donee LE TE So . ne set TR TRE aly Le ae = Cle a TERT . : . ‘ : Co sts co EB at ¥ , “a al . > wd a . SL og a * ;
BN ] } od Co . . J UE . LL . - , o } . : i | - . : . . . . } a | *
Sh * Yo : . BE may be lad. On tbe oonbteary, as shown in Fig. : 19,. when the canbrasl port of the hottom fiaction on no 2 or te vicinity de npuward protynding, the end . + part or its vicinity may be flat. That te, in order “to rapidiv abporh 0 highly vigeons : © liguid, the entire bottom section le pot - : nenéarars tv upastd protrnding. However, Lb 1s : degirad that 69% ov anye, preafershly 79%. or \. oo more, Af the hattiom nee log This vpRard
Ne AL ’ EE 0 Weel
Co The anbodimant (4) 1s chavactorvised in that n : satlefacta rv Liquid reaturn preventive and covering =ffentzs aan be attained without subgtantiolly lowscing the 11nd permeability - SA . . SR ‘ : Coal es fs Ae ° . PEL 3 ! : > ‘ ro CL 16 by decreasing the di ffurion and vetention sof :
Ea Cer el EE
Se co © the olignid in the fiber layer throngh the use \ Ln ETRE a .
ST of "a. hydrophobic fiber or a hydrophilic fiber oo - i . onl . Cho ; oo whigh “har been pubjected to a sufficient : wat SRE eH
RE treatment. for imparting a hydrophobic naturs, . C7 20 « whigh har Jed to fhe completion of the present oo : ~. . inveption. Lo - SE Ca eed rl BAD OriGINAL © : nl : Atami Co
FEE Ar - 34 - ul
NEE \ . Ct Cat Lr or po he Te fete NE Pa 4 = Se . a " a - : ; io ; uv i Sh i Lo, Cl Hh J See , SE Ph SS CE ee » LE 4, ) Ci go “In the invention, the surface sheet has. An noe Ed Cy CL Po
Co a integral two-layer strucinre comprising a 2ilm . oo
Se ee Copp Ln F
Lo layef to be brought into contact with the skin . ST Cy TE IE Co r Lo and : having an opening region provided in’ at Co . x 6 least’ part thersof and, integrally provided : bo wl Sei Lo mo A thayawith, a fiber layer on the aide of“ an :
Coe abaprber and eaid surface material having han RE z integral aetrocture exhibits a baight of the IE
Sh rige of water of 108 mm or less as determined Co ’ | i te ; So a : *
A ; ra oe
To 18 by ithe testing method of water absorption. of + | . SE a ‘ J : ro ae 0 Co ’ FA paper by Klemm 's method (JIS -P8141). TE a
Noon ol CL nL.
I A ER Po
SE "With respect to the fiber layer, in order -
I ey . : toy provide eatiafactory liquid return . 7 Preventive and. covering effects, tye = . | + Ce iy a Cosi : . i : a . Sn TEAL . CTR on ' . To . LA 16 negdesary to regulate the water abaorptivity ‘so Cee nL : Let Sr Daa i i Cow - Fa gE “ : Gea
Er Ee a - that’ the fiber layer in a state of An LOSE hea
HET nd, CE AE esl
CR Cg ee LE pears CUE Cat Loa i Nest integration with the surface material, 1.67, LEE oi : ao ‘ the iin layer, exhibits height of the rise. :of Co Jed + x : CTR LE CL RE “ Slam LL Corba dante ; Con goo Ren - watey.: of 170 mm of less oe less as determined CE a i CL | Han J LCE
EOC wr. by-T.the testing method of water absorption: of - i Tole . wo . “rp Je. . } ' STA Y 1 :
LL wt © . ay . cE NLA . Ee oo
CE "paper. by Klemm’ s mathod (JIS-pB141) © : - : Ae a CA [YI : . a ol Jer " Fan td : oT : i (hereinafter referred to us the Klemm water A Ch : . ¥ Lo wy - . . 3 vy 7 5 } . - a LA BE Ss a ee VE Ls oR - 36 - . 5. BAD ORIGINAL OQ) ah . , Cg $n Lo ao Ee Cees Y
CL . “3 Lown : Tl
Ss CE mL - Le SR gee
Fl . TET : A ” : eknto a uw : Vin Ge SEES
"i nay : y .
SE A wR Sa Cr eed a RES SR a li fu et Sie 0 0 ME SE Le i
Sy ARR AE AE SER hd Po &F FATE PME le cic ; Ip ¥ 4 AN ! fay i, fr "h x th 2, AE wont © Ee) RE § He } SITE s BAS SAR i RE Es g CL RN SR i VR ERE wo CR I BER Te ET Lh PONCE gat i PL Sap : CLLRS SWE iid WOMAN WC Hy yay. 3 ay nd 1 SE LEY 0 A OR LC oy SE
TE bt aie Tg : orld to J ’ ci he ) £0 : 2A oe A ee 2 CO EY Lo a ° Lk Bey. J gong Cog ot CT a RB TNE SER. I
Gon Le Co of Fan 2 Geant arts SRS VRE RCE a oY 2 FNAL PRY AR AR i. , wh : - Ce fgedoro VAM Wha Lo SR ale co . ! » Fal SER Te FUR Revi : a , iN . Co : 0 ’ oy x tom E Ee ge
Ch g Ab Cri E : Cool IRR aE ; | HE Ne, 1 0 alk Foo : § ; CL = . : } ; } I in :
Ck absorption”), Vo i : wt Lo Te Co \ Les to rE A yo .
ToL | CoA oy sl ” Sn . 7 The fiber layer may comprise a web composed Lo
Lo 2 AES Ch Co Bo : J - ; of fibers slightly interlaced with each ‘other, HE - ty, eS " . : ‘. " oi i .- : pl . o oo ob * a’nonwoven fabric or paper in which the ‘fibers : “oo Cn SE So o ol - 5 | are fixed to each other by interlacing or i dE To
Al : adhesion. However, it is preferred from the : viewpoint of the liquid permeability and .the hs
A liquid return preventive effect that the: fiber
Nt Pook vo ‘ J SE ' 1 AA ] - Rd i layer comprise a nonwoven fabric or paper.
Co oy 1@ ; With consideration given to the hand and ‘drape Co vos Cn -
Bo '» as well, a nonwoven fabric 1s more preferable, Ce o Lt : SOE i” 5 and a dry heat-bonded' nonwoven fabrio’'’ 1s
Co i flirther preferable. since the fibers ats: not . . , Ep pa or
Cn i" fixed to each other in the web, the fiber: layer
SE Fo . CR
Cd PE Car ta :
LC Cd 16 i8 easily broken when the user moves. This may. Cie : 3 if Co v o. " * LH Fen iy i - : Coe To " :
SE J : 4 bring about a lowering in the :!liguid Cr Co
Co Te, i permeability and the liquid return pravéntive Ee
Lo STE Jools : Eps TT ae : co Wl #4 Eady An Aeile e ‘ a
SE I effect. In the paper, there is a limitation Cn
To Ee han ‘ TEAS Sh vo CT
Ra her eR adel : JE on A Re "with respect to an improvement in the haid ? and yi
CT ee a nhs Caden 5
Soo gL 20 +} drape. On the other hand, .in the nonwoven ve : Cab J Tk LAN . wool CogEd . i CRAY 1 i.
Cs ‘fabric, particularly dry heatbonded nonWoven
CoA ne Ted : ‘ . . * Lhe LAR . 1 1 . : .. fabric, since not only the fibers are firmly! - ‘ Cre Shh oo [A vi ky 7 J + " y a hd ! g SE a : Ee He SO . & CUE OR, oo - wo - 86 - ) oh . : : She #0 d
Cu EE £00 5 . : sel) : : i i oe gt i./BAD ORIGINAL J y GR det : . . Poa We ee ; ’ wl a . 2 Latin : sede R07 A ol eR £4 . So Lo Sa x] »Y Hi i ' s “EE Tx ys CR : EH C a ee EE TT
Loon aE So an0ky
Rs . i we ! Lo Coy gt * Io Le “ 0. .-. i J
Co vl SE He Cn Cr soo ete Be hi o Ten,
Too CA Ce RR - CR EE oe ol : 3; A Zr So
Ce aia LA SU 3 a Co oo Ss AE Lo
Co SEA fixed to each other but also the nonwoven
Co EE oy -
Es fable exhibite excellent flexibility, it. 1s . * CE a ; : podsible to prepare a surface material which 1s co excellent in liauid parmeability, liquid return : - ’ ben T ‘ : 3 CL . b preventive effect, and hand and drape. Co : hE SE
L - " {Further, the fiber layer may have . & a ,or ¢ Cnet : structure wherein tha composition is - . . Sad ar ST wy
CT disgontimouslv varied in the thickneaswise
Co Ente Be
To Te diréation thereof. In thir cane, it 1s more : Ag Co ' CER : to “A cE ged 1¢ preferred from the viewpoint of an improvewent : oe pd ‘ i :
Ea in jiboth liquid return preventive and covering
Co C : Bh So Sad Cy : LE : : Lo sa : . , An . : efféats that the fibere ba arrangad so that the oo. . 3 yi pa | al ‘
Ci PN ce yo hydrophilic nature is enhanced with an thorsake . " Cs Th nd - 3 So © inithe distance from the film layer. EL
SEE TRE ans Co 3 CER, CRE Ce yen
Ee NE a LTE
ENS EL 16 EisYarious fibers may be used as the fiber: for ~ SE
Lo Calin congtituting the fiber layer. Examples of ‘the to Lie
Ton fiber. include hydrophilic fibers, suchas Co
K y FAT a } . IN coll : . Lee
CT ase Cu Cis AE
Sd Fag EA I wooden pulp, rayon and vinylon, which have "been : Lol
Cy Sikes Lf STR . Vela ; nh oy Ce A v eR Sw : Co
EE ’ subjected to a treatment for impartigogiial So
LE oa RA on 3 Woe 20": hydfophohic natures socording to a hanoun method a : Co
CE CER SE ; - Sy ey SUPE Ce andi hydrophobia fibers such as polyolefin: Co
Po NEE Gen Cid i” oo
CT Sih Sl ¥ Cl ; SE CEE \ oo ; . CE Coa Ce 3 : igh KL =
Cl LEER - 38 - oR
Ce CN ny a Sig ot A 0 BAD ORIGINAL Gj
Lo x. Ras Ba .
Ll wn; Lyn SL, k . — JL i : Lo Df : 5 o .
Co Eo RHE Hi ER
Ho SE | he
A “nlp HL
LE The CRE SE : : 2 ES SE J Le er at
= " ©
Giles i Clee CERES © Ea LF ae EAT
I Lo Sh J . - vo FEA CRATE A Beh Kath EHS 3 y Hr o's ASH
CT LEE es fu Cn TAR a Na CE, Ba
To - IRE EA Wr ’ Coa TT md 34 RE Jafri lin das
Ln ES SN | TOR
Lo . : aE CERES Na Pines i Yo REO EE § ity hy phe
N | Ca . ELE SE , on, So : DE) . ER . « | Lym : TE v : CLE
CR rr JE : gla polyester, acrylic and polyamide fibers. Gan
Lo However, it is preferred from the viewpoint of oy the” liquid return preventive effect and the oo co - : So hand and drape that the fiber laver be compobeed ECT . 5 " : : \ - b mainly of a hyvdrophablie fiber. Further, - as mentioned above. 11 is preferred that the fiber "a : I . Li . TL layer be a dry heslbondad nonwoven fabric. When ) a
CL co 5 # 3 Ye, . this meatier is taken inte scoount, rrefarable
F Cn ms fibers. asmong the nhove dewcribed lLydrophdbic
CE 19 fibére are heat-bondable fibers, such Lae
Be Ce oo : oo oT polyéthylena/polypropylene composite fiber, ; : Vial Le ’ i comiposite fibers of polyethylene snd: a En
Ee i polyaster and aomposite fibers of a low melting. wiEal SR
Foo i Qo : point-havving polyester and another polyester. . af cot <0
CE rs : . 16 Further, with considerstion given to the : : . : gt i ' eh , SEA - . fa . . ] Co a adhésion to the film layer, preferable fibers EEE al hn CE RE nde wo W, SA amolig: the above-decaribed composite fibers pire Cg ih id vent : . “ sR . Tiel, ’ SL CoRR i . LT . Cee : R PRE ’ Le “ Tem polyethylene /polypropylene composite fiber ‘and CH
CoE ua . ei LE
Tl polygthylene/rolyester composite fiber. In ithe TEL
CoE Time EE CE oe A000 20 useiiof the hydrophobic fiber, when a further pe no COE a a ChE LR EA : Cn Te gE The SET - i + «TF improvement in the liquid permeability snd Ythe
Co mat : Sad, fe a ' liquid return preventive effect is required; .it 4 yu re : oe is { possible to counduot a treatment for 4 - <n Kye . wt : .
CT at i - when oo Fl : < wp J [a . | . cL Sm I i . Vy ae VY A on FE : Lest sn onl
A id | Go Ty
So “ : wd WL, co i ne 1 er CT : LA nh, boa no iA EE LE Lo
A AE BAB ORIGINAL ow i I OL EL v Cai Bibi. eri ChE
AE oie Coden Y¥ CE
GE pn Ce] Chega AAT Pome a fT : CE a CG Patri x) . y ’ . " Ch i edn oo } Teo : Ah g Ln oh CEE
Lk A ES eh
Co a 4, . Cha
SE imparting Aa suliable hydrophille nature’ ‘or - : water repellency. Further, when a further = oo ~ improvement in both liquid return preventive »
Co and covering effects le required, modified ’ 7 oo 5 oross sechion fibers thereof, such as a - multifoliate arose soction, may be naed. - . ‘In general. the fineness of the fiber. is wd gl gl
Too praferably 1 tc 16 deniers, more preferably ‘1.5
SEE Lak we : vA toi deniers. EH :
Co Coal el =
CO 10 ©. % The banias weight of the fiber layet' is
Ce prafarably 5 to 100 g/m%, more preferably iv’ to -
BAIR /m? from tha viewpoint of the lignid return LE
SL Cd CER oo
Co preventive affect and the hand: and drape. = .-
Foto amb EE Sirgen Sa poe ho Com on BH At oe Coe i LRT Ch fp ia no i oo Nd 7X'Tt te preferred from the view point of iv the Lo 2 a © as, Slate oo Coe dn - CM Ce Ce co thes oo CoE 16 liquid permeability that the fiber density. of bil 5 . a o sh i } § HA - or fe
So CU udnie the - fiber layer in the opening of the [Zilm oo o ros
ET TE _ 1hyar be lower than that of the fiber layef * in Lm vo SE So Pn So aes Ae
Se i. hs nab LORE a He CoE . a : thé region of the film layer frees from. any; EE.
A ae! : Ee “ i opening. It is more preferred that the ‘Tiber 1 Bo . is . a Pn : . J . . J Te " . . . Ly Coby I oo 20 hes absent In an area of 10% or more based. on : f ol ; Ei . : ! : i C ol 4 Ee 2 . cL 1 Ch pC : Rn di ih o | - } oy Ca na LE —- a8 - i oo a : cL S40; She 3 aT Sa FO ' . - a Ges ed Eo Ch
Sa aa La GINAL zy N
Eo CEE : LAR i Zo Cd : oo Me Lo Sk -B AD OR & 2 oo Re : : Hn Ce
Cs Louk : oe -
SE n AR Ce ; cl SE : ’ FE)
Lag Siriman
SE an oo CEA AI cde Che poe Ty AHR el FAP Edad d - : EO ER | a bay “ 3 Co x Co phy
PL oe we - Se BE
ES A Lie SHES 2% boll - i’ NE A I » i B or , - Bh . ‘ £ . ' : ot NF CI Ce : wo the: area of the opening region of the film Ea
Lo? el SL " co
Fo layér. Ee fa . 1t 18 preferred from the viewpoint of the vo cl Ce Co Co h - liquid permeability and the liquid return Lo oo : 5 preventive effect that the film layer and the ) on SY Ca, fiver layer be integrated with each othet- as Yeh 3 0 i - iE , . [E firmly as possible. In general, it is ~ ob preferred that the peeling strength of the both : 1 . Candle LRT .
CL Rea : ‘an
CL OE layers be 5@ g or more. When the integration : Se
LR ed A CoE Se + 1® ie tonducted by adhesion, the adhesion sites Lo ; 3 may: be uniformly distributed on the boundary . CE CoE CL SA :
Co 7 surface or may be distributed in a patterned :
IE CIE Go i
Fe ford, Fa A he pe eon . AY a Sy Lo SE
Ga . gi Co - + ya The surface material can be prepared by the A oe CR Ri PL Coe he
Eo af jE SU ton ia
Sad ok a0 1b processes mentioned before. SRE a Soe gE ag ’ a : CRA A
So - SY ce } i aa . | Cima } i wed ul
Ea Cale : “jjihen remarkably high liquid permeebility: ie : Co 2 Cast ke Sat gohan n aE redujred, it is possible to fix a ° sheet : co : BG i. material, such as nonwoven fabric or web, - Co } Ca wo TRE | Fol i cogprising a hydrophilic fiber, such as pulp or , ue : “ CA Co J CoE . 20 rayon, to the rear side of the surface material .- x | oS Hg SE ; ob oi Cu
Co CER : SE CoE . Fe : } k - : = : Ca ir Co
EA } TA . “ ca : Co 3. Pg fs! ae
TLR LE Co 3, SE - 39 - CE Ce a . Lok wo Ni . AR 1 A Ri ol ” 5 - : CREE I BAD ORIGINAL ) CE - : ed gy eo ; } J : ge : a A : oA i J ’ : : LE . : DRE SER . ER . i . } i Pe ab . 1
Ln COR ’ LA . Hey } Ty i.
wl a Cl TYE CL Conk
EL ay oT 0 Eee Ly Flas,
Gm = EE CSR ; EEE . ; Nok . CL oo CE
SO Ch dr : HEA vo - . co HE . Ln oo Cl Ee Wo po
SEL Ca SR CL
Lig ae Ca : Ca aE SEE De
CoE Ee y Be Coa ! nT x iN By, : ne : oe CE 2 + RET Lin So
Cesena “by-imeans of heat bonding or an adhesive. = : soo th Lm t AR v . . 8 , Hd Rr co a :. : } a oo Co Furgher, in the above described first prodess, “ : so gang eo “ a the hydrophilic fiber sheet may be laid on the - a Ba a . vo ~ ~ surface material, followed by perforation to nL - do on b integrate the sheet with the surface material. ’ : : Lo EE os ty
LAB shown In Fig. 29. a fiber layer 6 of a
Co Ck Sh , purface matarial 8 may ba integrated with; an
I absorber constituting element 7 comprising i.
Ce LE raypn. cotton, polyester cotton, pulp, or .sthe :
Cl WE ies Io re LAT LN . Toon : ; LAT 19 1ikp ‘throngh iuterlacing hy taking advantage of Soo - n SAA : Sha Coe ' ’
Ae a . ve
RH SE a differentia] preseure of a fluid, such as’air :
So rel Cand - To
Le Te . prefmure or water stresm, or by means of heat
Ce bonding or a binder. Further, ae shown in #ig. CL vo SE Loar . EER] . .
A ple : Pog SIU ane
Go en © 23a absorber-constituting element 7 may. be ch eA an aE, ooh ENel vo i Co Ie: ye Lh i 3 a Le A : Sal th aE OL Toisas 16. covered wlth an abeorbent flber sheet, 8 nayifa Coe STR “A NT i: ae RE aE CoE Toe ES oa ed ON oh SAS per 0 ‘ur TEE 5 ERY | Co 3 ' LOE . a Tg : fuap on the surface thereof, followed. by IR Che
SAR aL DUTTON LT TUE . Came So DU hk Adel eS ERNE SA . JLRS . MS - : : a dan TM
EN ue En Eh laiitidt ion thereof on a surface matorialiig. Ce EE
CEO namaei, 0 REEen BEES i I 0 SARC SY LAE pd ~ rE
I LE * The {above-described expedients enable a furthar : hed 7 nn AN To THR ; Sued : ne , Prof ws a Ca 1 improvement in the liquid permeability without . oy ER . Ce is A . . 5 RE , SEY ad . Te eR ! Be 20. spalling the exaallent lignuid raturn preventive: Y wo Co
Ce¥a A pe ve se he fo “ : oH oo Sl oa i ES ne Cae : if and {Govering affects. CEE io Le
Coy 5 WAY ot Re yoo ; Lok
Co Die NR ~ + EN : § Tg : AE x NS
So SED a IRENE - a . LE v } : Se = . RE ce “ : 2 . Coe No * Pa : Ly Chan co A
J CT EC aT fr ler SER .
Bh Ps ERE MN yo ie Chi ed { SE : Hoo SFY - 49 - 5; 7 AD ORIGIN: F0 ! E . Coe Sled, Sle - . - } Suh . wk pe az . 2 : { bo Res . Hh i i Co Coa CE Tre y CTRL re cae Le “YIN : ca el . Cd SE Ea Pe oben o EEE CARS : a 5 nr Cand LEY Vo ee wn af ge CEE Jai “eo ahs oo CRT . ta wn Loe sl
TONE CoE Ne to
N hE wy ps Hoes Lt ve a ame -
: oo ah : Ge CE he Bi cal pe head : mr AA hh sl . to 4 lies. i re id ne wi & ier
Lig leh a ws abe, . i , LTR 4 EET Nal Se Fama
Ew NRL a ERA " Ae ul” 4 ng Ji Ta Ee
CE TLE aR IT FAME od BU
En hye BR ue CHES TR ie on
GE WORT Cy CE bd ae oe po Cla Tar Co i sun
Cab Pass R Ch Sal Cod eV Eke
Bop ANT Re CRE : ds So ROE
Fo RET CES RES ap THTEE i CHEE Star Co al
EL SE Loin SEE eB
ST Ce ™ Ei Co EE
Coo SR %, tii Co Coat Ee ~ . Ch EE : To ian. CLT ye . i Chee oa RY : . Bi F vo Bon : ‘ Lo Le . Fg . Cpt So Ce
Soo Ta i5The embodiment (5) is a sanitary artinlé of co : SAAR ab Tn Joe i SRS Age 1 0 . FE ; eed a . Ant ih . ‘ uh coo we thay, Anvention in which the surface sheaf in oo or
Fo — formed ac that 46 percent or larger of etress " Cl gr i 1 Sn EN > iE ~ oo Co : - ’ orfiideformation extent may appear at the :
Sr . chun Co . L : 5 . 1 23 So i Si oo
Ei 6 thickness direction when it is 1naded with: 1 - Lo te Co , . CooL . aa -, Cor ws LOA, . wR ea 4 CE pressure of 5 grams per square am The loaded Co . ve oT ne . : date . Co vt = » . - : 5 Progéurs corrasponda to a wenal pressures of Th. i. Sed, LU ‘ ” CoE LURE . . so
Co comprecsion whlch applies to a sanitary napkin vob : a A A Leo : - oni 'uge. The smbodiment le improved in a 1% to CL So i : Nx ye G A " “ PE C CAE Si ole TEL me CET : . RT cdo in uo SOE Cw 14. a .P@er who 1s eapecially déing rhyeioal he TET dR
Foe eS ARE - Lon LTT Ee
Goro wk exorcise. Deformation of BF percent or larger . Co cr RL ne Gl LORE pane EE bolo ir. wdre preferable. ES ee aE do TL aE aan chan eb 7 . i on : EER - } a 47 14 . yd ol
Co RA S.Deformation extent by compression ard Co =» CR
Ae ww cl } ad . . nl LL LE
Yo& ae : . debgiemined in terms of an amount, of deformation EN
Sou DX aay “oo SHEL a aE v Ry . SR . FE He cy gms 16 in 'vld® of a weight of load, ong, rw evi dr a,
Shee or bell Rll Co ALE Le aE nna Be be gt
CAR id Fh Co uy Fi - . : Fore ’ CT Rr Ti SAE nl Ae CAEN So gy . oii a Tr pool TA Ree
CEI IN hed Te : NEA re RIT ng ARE
TELL MRE ALE CEE hh Sen od
SENG TE Re an andrei OEE
Poole Re mer ET Reamplen] GH oo ERE et
TOT gh CA ATs . VEE LE EE a Cot . CAE oir Com Sh Cbhen 40 ET ee Lo dh . CT Ee
Tu LR : 2A SNE TL Ch
Ee ala IAT The advantegen of the present tnvent ion Li cod Lob osk wo Tig tee Tr RT LUBE, Com AE oF EN wr RSC . CoRR } La CE - RF hs :
I SE wo Lr : foil lg non be described with reference to o the 3 Coe eh do Pag CE Le re LY Coed rn 2 i - La CoA Je i - . . CL we i a \ wd : ; 2% ‘Mfollgming lNxampleg which ehould not : ihe Vy Ca : LR . ayy SLAY ’ CoA } . EE : SEA sds Oo . i Do : Come 20 constfued ae limiting the scope of the rresaiy » " So mE
LER CE Soa gi : “ Sd So a Bi, x Ey cu J . CE ‘ . : : 3 » . SHE SP . Lan rer : i : % nl ; . J ) on hE oh TR : Boo ; se . TH We ) HEE
Wade Ia A bo no CA SSE Fart A . CB ’ So Eg Cine I
Vo Sooo CAE - 41 - Ap LL ~ sr - aN ' Ng Vy . av 5 col fo i Ter A } 3 . wr Ser . . bh x LE tat Co Eu EE
Yoo ET 3 RIE Lh Ce ed
LT AR BES CoO : Foes BE Bop ORIGINAL. ZH + 3 Be ane Tre 3 i . AL ' Cs REY ro 0 gg sn Lo. fod iy
Low ER (oh Rha os oe oan : Cod Te #7 : ao : gor cee, Ed Dae Ce Ce RT
Po ; Rhea : Fach, Cu ges
. i Lo a EX ~ or i Lo or. Tae - Lo y
ER SE CT Ei Co Cs VER. ae], ET Re
Co So «dL wa ve Ce . Ar : ™] Bet oy a
To mT el : “ Loa days Ee
Coe Ne TA Sedge wom gt SE
EN i Ye Tel . EE } LE HH Co Len . FE , Bh Cs i on 5 . . . | . ’ . err . > ne Co Co : . Fe : - Cl RE : . Ca ie eT Lo Ln Co pe ~ " se ~ 7 In . . B \ Bl J oo [oe = . Ye &, J Sea \ . Lo Ck i, . - i
Co Se Bh Lh CN a i invention. Lo Coen
Ten Ca Ca - : si C : ‘ vo - ' £ i : - Examples 1 to 23 and Comparative Examples 1. to oa ° 3 - wd i . : ; : " - .“Burface materiale having various shapes Pl . Son i co) . REN | : 15 according to the present invention, together tay oo 5 with comparative surface materials, were cl, 7 . Co ot vig! af!
AN an prepared from the resins shown in Table 1. oo aff
Co . ol an ’ . , a or i Sapa ¥ bo © . x : } ; a LT i at \ 5 i
Come Their properties were evaluated according ® to DEE : BE se Co HE a . the following methods. CE Leon EET
Ci Lo : CT de CooerE TT AR “ oo . in . = Cedi \ ol . B owe “» oo to g { oy oh se Lo i ih
To ‘The resulte are shown in Table 1. Cen Two aE 10 . ,A1l of the surface materials were prepargd Co Ep , Na Ee wet Lea be
So Cy? : Cg ioe - Ak . CE : by. providing the resin in the film form withEan CL iE : : : aT Ban Taber GER : Sn CHA EA CNEL DR
LN San opening region by embossing. All of the =~ ijl 2 SHALE
FORNC TT Ca : : RR Yolo SE
ETAT surface materials, exfept that of Conparative wo Gir ff
Co LL 2 Ln veh ! CRE a Fon Caf Tu A IRE
Dore Ee VAR LS ees RR : [ak ' Example 1, contained titanium oxide as a white CEE oR PRN
Ca : A aban ! wail . Ls omy DAO eT Es CEA ! Come pet Ldn aan
I J CA Te Lo Lg Ta j : . ooo BE
Foal ee 1B pigment in an amount of about 10% by weighty Foe ew BG ye 7 ! 4 EET To ad ba Cag Ero Jet 2 s = Cl or . Veda i Lemay oc : SEL aN u “ : ew : Se USE LORE CU Ra 4 PAE } . \ i : } 2 ! yo Ce VC i
ERR oe Lh Ce A ’ : clue Leone aE
Se i To evaluate the absorption time, 11quidd 2, Co ERY . } Ss Hi ol . Te © A. i Er wi dy i ETE 3 Me LE } pe Soka Cogn SL Wot ne BB co Co return and visual dryness, a model napkin was’ } “ 2 IR
EEE Ce Cap looind eo kl
So prepared by removing a surface material frog a > | ad . : Ga Coty vo ont BE : 5 whet Go RTE : commercially available sanitray article, 1jed, Sh “a
Li . : Carls chet ” . . PE SER ) - v TE Ri TEER oo Sy : ny Eo Le ! ! » ne ’ 2 Ye i . Lb : . i} I a nel : Co - Sot ST aL i! Co oo Lo A hk ee et
Co Cen i - 42 - Ne RR: iq Ho 3 - - . AN . iy : i . y EN "Rs BN .
Lo vo Ci BAD ORIGINAL" Gg: 100 . . Ce oe 2h EE a tt : oC Si J a } jd . of eh oo ; Ea Liv = | Yr . Loe? oh % CL
Co Ce ha : pe
Cn eon oBRS bed Ce Co edn EL wR gare wal RARE pda gg Bele is’
Cm Nh al Eee See CLE . : CL Loe Ce ree hey TR Cot Saar NN HR a & SOE AE co WR er 8 Figo Spelt. Bn
RSE he tn EE Rhee Se Be
Ti Ee ae “ Co Ea SM ry En ET EL Re OST RL Wy Gaby KE SE OLE
So V1 Te ol . oo Ex HE CERT ay ET EE Tey See, 1 2 Load hia a io AEG NRE:
Ww AER CA Sa . na SI . vo nt . : we YyoaT pop ANd Fad JA 31 aE ay EV Tn
FOE FS Comfin - ETE Tre An Hp Lap Cua b RET mE Tee Saget . : oo Ce Ey MIRC Be
Loewy EET CE : ‘ CEPR S OE SR ee 2ST ET - ~X : : . SAE SY Aa lad Rin FDS
EE You oo LES oe : : : SUT ee Ta ae Raed AEE
BE Sar : ae, eon dn To REEL Set
I HE ORE £10: oo
ES SAA : Eh . CT agi, eee BT : Sl Ce - AEE He WY Sages 1g . Ce : SLE ee Ope Seah Bi
Col RE he tele on JE gi . 2 a Capen Co . We FT aa : ' : : Pr ; : i ¥ \ : ’ > A § % he
Co IRI or ol . RA : a Se & Sl
RATE . vA a, ! Lo. ; Fete RL
Cs Laurier (a product of Kao Corp.) and Ahen / CoE
BE Sl EE Vi
Co Tol attaching each surface material thereto. ar Cl . Co . <Measuring method> oe oo <, rs o ’ Cl eS : b . . EA : oe : ot (1). 8ize of opening: so vo . oC ny g w,
A magnified photograph of an opening region :
ONT as’. i:vlewed from a direction perpendicular i .
ENG thereto was taken with a e&tereomicroacope to : no } SO RE Sd ah i . Ladi . SE lL
Loe measure the size, a, of each opening on the CET : Tn photdgraph with & planimeter. From the valde oC 7. 18 ofa, the real siae, A, of the opening was ch . . ARE . Lend 0 : Sood : K . Se . et Es ’ sot . . calaulated according to the following equation Sod , Lon Sym s Ch pl oo - . . - hE ' se wo . Ee or Si fr Sag : x : Sp .
Ct 3 Fa ~ . . 9 KE: 9 a wo oh : Ski
Lr aE CaN : Cooghs hE EL RY
For mE) = a (ef) LL (D) REE nari
Eo Pe LE : — EAT VB me
Se CME tn iE Ped te Ld ee a ol E i Lig x2 gE aR
Ss eT CR Cees Ce ET cL Jr Le VE : TaN CoE sat Tae
TA TE 16° wherein X represents the magnification of thé '* GF v “et FE . : A Ty . Sh , : at oo :
Crom photograph of the original. wn SE : . . Pa . EN a AYRE . . - : . ale 2 LE * . : ‘ SA . 3 fern se - > ' - <u
I. Wo 3 ale - CT SUE Sr : CAR : Se i
CE (2) “Density of opening: Co - IK i. or Po a : i ; Co . ! CL : . Lo ev 5 Co 5 . i. ¥ So
Fir a . To . i WV . . B w : . Ce oo Lo } ’ CAL & : Tn ’ Lon : Sl IE : Sl NL - Li . Fu BU i. ne : . : “i Wi . Lie “or Soa : . Eo Te ve , Co
SAR Goa 43 Rode ar Ce
CL lee : al HAD ORIGINAL. Ce ot SAN ERS - Smee CONT Ae
RETA A 3 Lo . Lb ee YR whe ASEH TEL
Lol md er . Er Cad de ve oD .. cP ake ’ i Foot . ed Eu . or a Add 3 FSIS
Cp ya Feit CRE Cpe ee a Tg . ie 1 A . } Sd GE . al. FE J ou vy
Sh ENR FL RE : AEE A et nad : oy cpp dan
COE Re J gee Bert 2 tg entre
Caw REE RR) . Tadeo ol CU a wha cl
Log 4 LR vile oN pe mR
OR LTR RE Cos RS ARTE we SEE
Ae YR CRAY ue ne pa GE,
Gan l EL ps we Teh , . : A , abi # wg LET ~ : Belo qe ty Cop ! IRE Sy aX ey asi Tie
My a oe? Yee BF. Sieh WEE SR EP
. Lae ., 4 a . Ag i g 3 Due ht A Wid. om
SR 1, Epa aly cL a te Gd a EL te ne Aa les iy 6 INERT St LEER ae i
RRA Ser. SERRA ER RE Ey ay we SC Fat FON a Jo vy
SEER BLA RR Bl oe WIE RN le nf RRR | A 1 Se A srt ER HST SN PI
Be ale © AS Ta es HR RGO Vo RS SN SE EL !
To CSE san y wil WY, Ee AC Sl ¢ hs Jo he A J + EN FL KEN AT PN ne » 4 } PETER
SITE Te a al nS ge hE JT,
EAT GRE 11.0 Ja Sei TE I EERIE Lit aes Tp ll Ara rE EW NY nt 3 Le 7 AEE J SEL CPR hy oH NL TE SE x - SEN Eb a LE . EE oat phe. Sa ’ wank ber = Cr gS HA 0 2X Pi RRL TYE EEN 8
SRG a a Tn INGE TT EH Fo ud Ae MP Th ce BIE EOP MIRE ARS
SR AT INTERAC Te Tae TN RE eatin ns SE EN PR SS SE
Be TET ee a J eer A ED EAE a ARERR Rear BEY
Bo & Lest nT « Grad et CUE eh Be eT RI £ aa Bl oR a phe iE Ji 1 IN al LECLE FEY ax ET . perp be Tee LT ey %, neh Mls TE CR Se enh SIRSINGET Ee
Fy Ts Late LT PT Ae Sot TE dr Sul uN rh 2 rgd ihe i, h 13 ba Sh ob bl & oN hs
CR oa RRL ar aa Cel mT = WE LTE Sn fl ' i 25 Yh y3 £ FERC NY SI Re
Fon sn Toy iE PAT CATE RUB TS © Sr Ra RRR NE IRIE Bb
Bo ae LT ee EA LET GE Cp RAD ed mE ST: I
Eo Tlie as dan i A Tel Tha a TA BD ate ast SEE ah LV CR: BE hM . WaT . Pine : oy fgg ta Ey vo BR eS TE TAY fie ij Har a8 Ee wo a : Co TE . Fel ET eee oh WHR Lg, gi SRE. Yo EE oT ST To Te Te eT Tepe Rog Pie : } i C EN tal Tl [AE - Wo LE gE Ne TR Ta Hd Sepak pt BEd “ Te So Ee Spd Uy Ta Re nae 30 can I, ie ei ARES
BEEP Sa CU Tyre ve Tn ET Se
Cor “i: The density: was determined by counting the Tilia GEE
CATE > dings tor on? iep h iitet® lL pla leuli gE : nymber of orenings per om“ “of a surface RE Bion
So nh h . SURGE Ll eng BEL oo . - . I SE : ; : Eg on * ) ! W Ten i ‘ ? .4 qe LO ’ : = . . shy 3 Mwy - material. wulE LTT ee EE . Co CT Sede Loe Tt Te : Lo (3) Opening angle: Ce ee : . : R $0 . ¥ : no Dok ge A
Co 6 i The croee section of a surface material’was : Che “ WW, Cet To
SC photographed as shown in Fig. 14 with = a oo ’ Co to ‘ . \ stereomicroscope to measure the angle, icy ov i. : ~~ : . 5 we Me nu Coens : : - Tn uv. : sg Co , Aebed . SEE oe
CE ie with. a protractor. The measured angle was Cl
Tad de SER aR Dam ne
R . SL gS al) . , oo i } i. vn ; Le)
EE defined as the “opening angle". Sr Os ES . NS aden Corti on So
Poo - ae - BES B \ .
TERI ee : : COE Co vs HE : EM : ca 18 (4) Degree of whiteness: Ch CL oo . Co L4Under the eame illumination conditions, the
Nes . “ [a . PE | Lo. -
Co oo absolute reflectance, Rg,” of the standard: wr Eee : Ha Sp Tie To Le
Lk - Lo : ' - AR CD Co Leiden
Sg Colne redaolor mount with respect to a light of "b6Od-. EERE
EU CAE LT : Ce RE Cohn Es
Ln r a ou EA i . ce - rll ’ - a = fut . : } - a re RI ChE k oy Nir it : nm; (green) in wavelength and the abso eo Are TR
Sd EL . SER Co aE ' CRTC a gE ; . ss, : Rb . il : EO ET . or . -, TU : oth yg wit CTL
Go Jv nl. 16 0 reflectance, R, of each surface material sample Ln ERT
J FEAR Nl 2, . EEE - Cre
So Sana ~ With. respect. to the light of the ‘Bame : Can
Son je ’ Les : Co iE . LE . On : Cal : . . er i. SRT v, wavelength were measured with a model ND-1@1: DP { So Tn
Ae Cr Thee owed E50 . Co ved ; Eig Lg So - cower 7 colorimetrical color. difference meter - oo . . oy ly ie wo - : “© / 4 . 3h N CL ~
Coot : A a or . \
Coe »anizeotured by Nippon Denshoku Kogyo Uo, : | s
Cl hes : : ‘ ’ Ra “ fig © IR ' . oo 28 Ltd,, and the degree of whiteness, R,.. of “eagh , oT Cog en I . I’ : } I i a, Wh . Es nd : ]
IE 2 - 44 - Cowra
LEE BAD.QR! = : CE pn ’ bed Ton
ET LE Sh : vet a
Lo. Te ER CEL oo bos <n a a Le Th
GL a Cig FS Ee we ayy ‘ AE Cra ewhoe pe
. Fare LRA Ke Va geet ouna . Soniye { SR RR Td boon en he aad KES NUEREY GI LT REE BE ¢ ig
Ca Lol TET ug Hed nis oR tS
Boies eet Loe ET bo an E rR A Pt GL HEC pt: cae ae EET Lg mn eT ST ae Th PR oT IR AL PCA ee 4 gm RAR Te SNE ea FT ST eS Sh EE I
MEL LU AE Cones Cn ne Ta Te Tie eR “in NIN CE al RS & ; Rs : an Te i Ce a Ty aE RR My EL GAS ATR ogi Rd ty TR RAR oo i ARR
VE CTL el Fel LOT soe Lett Sle Ae a SARE Ea ath: BC
Le A Fa Cats . . a Ce Loe Dae ERT LAL x rer Beh CR AE ee +... CI Ee
Po Ca Senay oo Ca Te Vi aA Ren TEN BEE ¢ | Cy ChE nT CL ' Ao Rr Bre Cpe adi BEE SY
Bi Co } . Le : Co Pore Tair SL ry pfs 2 dh SET ~ . To. - : ' ‘ Ta ol : EE + By RIE dy 7 at “knee 3 . . Co Lo ] en, fo ; © Ca 5 Chik pA. SE py Grr : . : Cr . : . : . eo Bee de ae Tl BE Re OAL . - Lo ; To HEI A ey BS : : rs So Ls Cohn Se Hel i Sh : : SL Ta Te Te TE
Go . el So Cog Hey ATER hd gone : } Ch Co RE) VATE on Me ERT A
Cl . Lh So 4 Nn [4 3 i pe 7h, ou Selina : . Co . 8 - Cy ; CoE dade ERLE - fe ao CM ay TE Dee TR ER
Cl .. } cl | Lo SN L : ] ol RE a . gin .
Loe. s . ne, oC Cn TE EE ad SAL §oE J - : : , . . ", . i So I 3 oi ER ] RET) ° IN 3 . Sil : Cl surface material sample was calculated. hb i J Le Seen . Coy . ' N R Co She 5 WE according to the following equation (2). ~The me Rn : ER operation wae conducted in accordance with : the Conn Te : : J LL ed , ~ “ EX . a . . HI ’ Co Ingtruction Manual for ND-1@1DP". Con b Rye (%) = R-BR, X 1am ..... (2) SE : . o, : LL ne hi meee ron oon en ba, .
EN 198 ~ Ry ou : Co - (6) + Absorption time and amount of returhed CR ge tr ov Fis } we ° o Ll ; - “ : ) ’ : + : ’ ke ¥. ! . En : ’ : 1718 ml of a teat solution was injected at a : Lo
CET pressure of §& g/cn?, and the time taken for the i ! fe ory, : a : ] Cami 2. Co ! ~ solution to be absorbed into the model napkin . i FR =i. + aooY ! ’ +! X EY LS < ’ ” : pA sn : Coe . was ¥easured. The neasured time was defined as wn Cee PER
A 508 . : Ee SE : Se dE
Xn iba . CER ES 1 Cao the {i"absorption time”, and a emaller value Sof oo FE
EE RA rr TE SERRE
Se fe etekl Ci Co So CREE Co aE : VETTE 1s thi “Hine means a greater liquid porneabi1y ft nig Ly eA a Further, after a predetermined pariod of tidag Sloe pe : h tl hada CWA CoE - 2 if CEE, ae . . Cr i eso. a Pressure of 60 g/cm? was applied and the. - a . ! 7 ) : . ' : } a or Es Te wl
Agito ’ amount” of the test solution which had returned: Co
Sd oT : $e PE : : 4 . : a s “gt IR - uw Co : ERA from tthe inside through the surface material Coes
ES SE, Ee ; ee
Ci A : ode oy ; Pov ] Ch. 28 was determined. The determined amount was; ~ Co . : ’ . ia, . 4 nu He LAE, . Le - Ce ." .“ Ly : . oe i So defined as the "amount of returned liquid » and ) AEE : : : So I Te - "a smaller value of this amount means a smaller; r
Shoe Co a 3 . EL } Cine . : : . hi re SEE . Vik gk #0 ol EE : . SI UE : : nl Sap : x sry Ls - , C x h SR : » ga FE - RN CU
ER . to 3X. i 4s 3 . ' ' Cl -
Co A ~ 45 - SE - SE
Ce A - i NAL §
CoN hs TRIG) EC ci Bi ao oT , ! Sen Ny ; Lk fo : . CoE CLAIR Fy Sl to ; sd . SEATS , Cail Tw
Co : : Po. Crt de Re Re : le : who “ Ba rR Ter CR Dh Se d&g, BARE
Lt ma PERT ee cn Fa Te CT EA RE OUJS rd Bs
Sg IVER co 0 Tm Leg TRIS ee Tide LL ee MR tg SY sXe JE aan ow TT Ty COTTE ara Tote ee an TT QE Res nai NETL BES
Se si gow TAT to corapkl bo EET pT TE Te CE eT ay TE FTIR | Tad if, El
Tw Te Lib SE . Bo ie . <A wip FETE CL SE A Bg we FE RE ES i, 8: qa
SET Swe LE CUE ee Lon BL eh eer Tn, RE
CR Ee LAE Le eT ae LE pn hl fot ao ST : Ca Coe iT Ee Onl he FN A HLA es got § rE CT DR he et RTE
WO . N . . 2 i . > , es . - } we * Je. ‘ Le » Lay wy Ie Aig 4 . bid
Lo > CT Cr Ce ht I BE : ’ Lo CL ‘ Pvc ae Tp nT RT
CL ns Chm EERE SAEED of AN : “ vane Cate Tel Tee Fa Fo yoo Toa TE ET , I. “ JSC Clean tA x
Lu , . GUT get ren Sy : Coen ERT RE } 5. : [SE . So “ IE Po .
Ya , REN . CLE - . surface stickness and a more confortableneas at LT
Sn the time of use. a co Ty
Co ; Co L
Cl (6) Visual dryneas: i CL : §. - . Ni * ~The following ranking was made by - an ‘— organoleptic teat on the state of the model : Co a napkin after absorption of 4 g of an equine ' v o re - .
Ni . <0 1 = defibrinated blood: " i : © : red color derived from blood is not go observed at all. Sn So ’ 12 O * red color derived from blood - is Ea
Sa slightly observed. a. Ce abe . a 6h Co ee o LE /\ t red collor derived from blood 18%, Came Ee ; SE EE hE significantly observed. has > Ca fe v | So ' Fa ’ CAS te : LEN
Sos Coe co - Gr i. woo ie . v Co . ) : NE 2 oT a ee . eo “Xe red color derived from blood is very - © vel em § ce HRS : LY eo co CoA
A Ton Jl SUE Co vo dens , TEE 15 SE clearly observed. Caf oo : Tk ’ te Aad tt " 5 et Yi Yo A ’ oo . PA :
TE iit ’ ee ev LET ee
Sor ". .As 1s apparent from Examples 1 to 23, the Soe ! . : ——- « Coke te . . . v Se ) . a. vv in DM i N Co oo ! .. . sv . ” surface material of the present invention ig - = ”
Cr } Sid oo LL Ce han small in the absorption time and the amount “of Cen returned liquid and excellent in the visual’ oo bs . 3. . er . . . : Sr
Lr Sr Lo 0 Fr Co he : Liesl Coan " “ih - . NE ‘ 5 Eo . .- J Ri : - ; Es 46 gn NAL - OF. HE . : Safin -— — x SR Ve \ “LL RS : Yo oH Eh ORIGINAL “gt. : EERE on t Te on EN
Ce cE Lhg uh se . To EA pA . 5 Na i dare SE
SLR TE a gm wo fa ARISE . * wh nae he MSE Lona Ye ha Pd ES
Ea Eo . Sg ey Ce Ae TE
Che Bn : : CaF oT ol . wi PE : . . fe Co
Col ht Ch enn hn CRE Re pa ih St Be
Co eg EE Ce ET En BT a il TPR a rE 3 8
HC ae Cr Ee ee ey TE eT pe ae Sr) J Gee : best . : oat wet 0 ‘ : aaa : or nr Sale Th ' Re ot ES >: AT 9 be God FJ SLnDitE A SE oes " vol ' CERT SRE La ER TER an os
Coe Tg oT CER IR GE id ch | : CED tts ER RE : to re co ere Cie SERRE BL “ “7 let Xe Fh Bln ~ Da tL Cont ely REE . : Ct ol i Val ; Yo o gon a Cn . Lo tS Br . Cl SA ITE Be . Se to vo Bt
Dl =, oe be : . o ’ : 2 £1 o he Ce . CR
So drynese. which renders the sorface material ol ; sat : Lhe prevent dnventlon suitable for use. in Lo CE
Ln : * } v io 0 absorbent articles, espeially a ronitary napkin Ce ' i for, vee in the abeorpf ion of a colored Tignid CL " : 6 ench ae menrtrusl bhload . . \ w cl - :
Sh Pe Ce, “In Covovrorat jue Exnmple } tinee the . = whiteveeo of the Film asl gan low. the aGlor
Co of the tent polntian whieh hae dE Poeed into :
So we : the sheorlea vas abusers ahilo Lhivongh thee film. } B
CL _ 3 therefors, the vignal dryness ung poor se wh aE {In Comparnt bve Exnmple 2, an opening region :
Tr J - % ‘a ce . . : : wag “formed ab the hotbom cect ion of Fhe surface
Re oo i So : matarisl, which lowered Lhe whiteness of “the IEEE oh . oe pT La . Ce . . as
Ces LE . E mT PAE ; — Tham . surfhee wobariasl 4 thereby given a poor vv 1é1nl Gale Ri - - Pa le is CE B he . wi Leemie T lexis wo or ER : oy XY PUT op ENT : — . oo 16 dryness . Moreover, the amount of returned . co . = : pA ’ : \ - B by Le ' SF x HE - : 1idifda un la rie:, and henoe JL cannot, be np tated CEL Ce CO or Ye op SY wd A ~ L fon
To FOU oat The “ . fat : . Sr that: the surface material hia praoparier cr RE : : requisite for’ a garface woiterisl nead Sain : se x. abaotrbent article. Cy :
CL « Er oo : : . > 29 In Comprralive Example 997. Ve apening : Co i a ’ . . ’ : wb ne ’ } r : a : : i
ER EE - ar © hp ORIGINAL J SS . pw SE . we Ly o Lo a in <o . . Do S, Le o tw . . Sn Re . > Le So
Lon . we ogp Kan Ve » . oo ion SE : rE RSE . Yi i ————————_ ‘ oe . . - ak “2, Cognit ot al + . Ca CIV . : vo . - x R Cll nt ge E mr oo Ee RE SA : CT cee Ce oh whi 2 alae FEC LGR SHE
CLT IRE Te eRe en) DARE a wel ke COE Teagan Co pool RT Ne Ep pdene Rb Wk 6) Sr ORLA IRC Ei «n Co AST . . ; . . - Ci alin iy. 7 i A, " RI Bier i } EEE CT . oo IEE LTT Sir Earl AR Veh! (A 57 2 - : SLO He Ly Ee TUL Ten a SA eR INE Ef BR oe ot © Rete | . a . hE } or Ne th Fag: SY gr wel A
J Set ’ vo ' Co. : : . . FLARE : RAS a | SLE Na wr, SRA a VS . : Te : ¢ a | Cmte in HER EAE {REE * : : ot - . -, ner “oly Yeh a 0 AY iy foaiod. Bev LY i . Foy . So EY Qe Ee; , it Apt: shu : - ws . Ter oy DRS NRE CELE po pes Qe iyins
So to Le fe a Sr Pte an AH SC ! : wt : : RL ETRE TOY hr . = . Yu! or nt li ACT
Co Co . won Ce Rhee ealeg gle BR a ny Crd Edge Ba . . Rr Eo SEL Rene ln
LA ; ‘ AE SARs Ei
Ce wd Lown h a RE
Lote : Co cL er - Lo . Wy .. Cy zt } TE Ca oo rll Cone UE > : - g so : he 13 Lod & CL ‘ oo. ES ' ; Pn oO . . - ~ o RE wh ’ : region was alogged ghen » preserve wane applied, Co Ty ’ resdlting in mn extremely Long abaorption time. Cw A ’ : ro Sw : aon Te therefore, IL is apparent. that the enrface 5 . . ia " , ’ « . " i . material ter quite vneaditnble nap a sorface -N Se - - " F : . LI 2 Bh " : b maLerial for uaee lo absorbent nelLiales, J
Si CL = : . Sant . . : —t SE ATE .
Soon GAS HE : TEL . Caley SE Do wt A a . CT ay . .
CT BY :
Cla Cot
Loe Pe ; ' Cu >" v . a ‘ } Ly : : , ‘o he : i ] Coat KN . . Cala a ' * Psp i, :
TAH Fro . . : Sey ~ : A . Co
Ce ’. Sen eet Lg , SE . So Cd ’ . PORE Co Le E- a : . \ ah Le Lh wi Ce . . et 2 . RET Te : Be i \ A So eh No Lr od ; : vl nE see ‘ CL oe” ol - EE CTY . . yoo : CE 5 . Ed . Cg Co i . . ol ’ : Ww. he Lt Eh : " - : Fh Cael Loe Co To ALP
Lb . CGI i re. a . 4 : RF TLL Re Lie . or .
REE SO : cat : Sa ' Fra J YE . Vy, . ‘ . . F i : Pa XE : LOE . In : Te LL Sete Oden fa i i CL
B : Te coat. . .
Cae ’ ch a .
Cl a We . Be . Cl
K En WA . . -
RA FA : - Doane Walt . ) : a . ' ’ . A Ay Dr ; ' oo . Er Noh . Ca . - . Tob . Sree
HE Oh Coa no
CT a Ld a : ot
CL : x ’ Lo Co . Chet Cn . } a
Ln oo cE ~.. - BAD ORIGINAL oo) . - Be - “oe J
PE Lah L .
SE 3 ES A : a wd : Se So
Ls Ly . 2 3 oo : oy” SRW NE So . ; Ce ] LENT - SO
Ca PNT . - 48 - CE i SU
Ao 1a A : . Coty 3
Tre Efe ’ Brg 3 Lan SoA - iF . ' eet Then sn Vaan oer a
CE - Sd he NL
ARIE amy ’ Sh 3 oad le Le Co coat vd Ch He ] wa a NY . EE “ Col son a . wat . Co ge TB RT Le 7 Lo . gn af } ' . Co AY * Una
Sow Lomi IY . Cy NA crema ; Ey oan : : ’ Bl ras
Lo oo : RN . ’ i. Long
San i angdl - w en Loacto .
CI el en
1] t ber rd . } . Lo 39 VY LB 7 : ‘ . . . Br $ un 3 i i, . . — 0 : . , Se : t : 3 . —~ — ~~ men TS TEN co 2 | ©0008BEOO0OOCO HE! y aR e 9G OO) OO © og a . > © ! :
N - TTT TT TTT - © » 2 4 3 . . uo 5 0 mt > - — — NN em = FMW NYO - —- NN '¥ : 20% 0 0 O00 0 oOo oo — 0 Oo ~~ Oo Oo Oo oO < 2yv oO OO OO OO OO OO 0 0 0 0 OO oO oOo Oo oO Tg
E ' © 2 : u v : 151
UU
. c — . cv cw
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Oo an ow - ~— on oy r~ o oO [=)} ~ 0 0 r~ uy Oo . |] ~r oA od 0 wy ~~ o~ o~ ~ o oN — wy © od oN . oo nw EB .
DA
[+ IS] _ ee —— . 52 — ud ow wn © VN On ~~ NM OM = 3 OY - Qo ~ OW SF 00 I~ Fn FM Dn FS 0 00 ,
Hoo - 0p uo .
Q ord . vc 3 ‘ ee — i ~~ [— obo Co © ~ ; “ed i ca -_ 0 OO OO aN N © Oh = oO — NN OO oN — O r- — [I OW WU OO © vw WO mn on wo MM 0 0 0D
Do. 60 i [] oc J — I] 0 a : & on ;
Shan . . ede ugg .
HQ — = Oh Tn Wn ee 0 O00 mm ND ! vw Qo oy © o~ [oa an [=e] oo © [aa] ™ ao cy od oc O WM @ wv . wv ud
Q ~~
JE — { ~~ . ‘ . . od - : t oO ~ Nn — Mm FT Nn nO «ny Qn — © OO } ° oO —- OO — oo OD — OO 0 O00 oO oo — Oo ! 80 . . «. . . « . . . . . . . . . . ’
NC oO 0 Nn OO aT 0 0 no oO no oO 3 O ord of , nc ; Q | : —— on o ee]
Ce — od
V a. . lu] ap = = = z= < = = T = < = z = = < = - * Tm rx oN] = . or o . 3 : o ~~ . - — —_ 4d od ©» =] co oo = = = = z = z = = = = = = << a Hu 0 =
[3] =] f=)
E
— ol uy a _ a — ot oN ~3 wm 0 ~ «© an oo — od © ~T uy 0 > 2 r -49 = "BAD ORIGINAL 0) i
L al 4 ar 1 ky fa ve
- — — —— ihn oo — tou “ Coe iuab Tov 3 yo
Teo ia i WE . - = 40 : Ie bog
See SOU TN, ! Cb
ET CoRR : = wil “ ’ . Fag ch . : . . to .
SE w' CE. : CT = a . : . { Ha . a. . — pit pet c. 3c ; BY ( > OD : Bs 2 l@@0020E * I LE t : . * wo oy * >To : HA v : | Ion ot
Li 8 o : bo = 3 Co . ; at J . . PE : : =o . : Tr
CL Oe O «A } ER . . ~~ | ERS ‘ : . u ~ N NF Ww nN ~ - a ‘ g Oo 0 oc Oo © © Oo © oO o oo oo ro
Q ~~ . . . . . . . . . « I PR : QFE oo oo © oo 0 oo © oo Oo a.
T EH : Li : 9 2 ‘ - i u x
Le o .. : ~ i.
CE = ; | oo
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Le HW . So , . : i ou : ;
HE Lu — ~N ~~ oO OO oo I~ on ~ ~ M iN
Js Tey ~ Mm Mg NM © ol © ! ! * ris TN ou : DO . A w E = : DO A oo SA © DO . Ge 2 -. ra . 9 .
Re . w l . ER ow . - { .
LITE . vw . .
Gl [TI] NO ew ~~ © — ~ © © . i
LED vc WO WO © IF WO Nn WD — A § - y oa § i . St oD ub - ! r,, : Lo : Ueprd . te
Can oo . ’ . cd st 3 : : to v . ! . r Cm — . .
Lo ERT abo : Cds © ~~ i : : Be 3 ~E ia , ) i . vo : ey 0 co oO oo © — OO oN o~ oO Chk Vo co Coal 0 Q —~ DO 1 DO WO OD OO 0 — . Ar ’ ’ TREN o. 60 — I . Co pile lt o c PE . : say em . - > ; A .y : Code fe = : b nr : SR Co Th
CYR Be c ~ E i.
Cod ee Sverd ON > | ! - Coma UHL ve E - C- iH
Cd Ve wg 0 - 0 wo — © Qo oo oo O i Q 1: ’ , dart omln 0 oO. moO nN Mm NM 2a] No a : ’ UREN co M - o
EL w o g : . CAE Tee ow a . } : ! . iy Te Oo ~~ o J Pe
Se : ori i : oy 0 J . ~~ Po] Ww i
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FN : ha To Ww g . ard N * - } . ‘ : Cd Ea LO —-— — &N Nn Nn oO 2 oo H Y ry : i | | a ot whey Ee — — — od -— —— ~~ -— ~— . . .. .
Bs AEE A) o of eee eee . oe E 5 MH So ‘ER Bi wh Glaen NC oo oOo Oo © OO 0 © Oo oo © > = od vo BE = to : py oo CEE mg cred ~~ oo « Co . coc [we 5d - lel vw Co . o a . Soo a i . Salon v : o. oo 9: JR ine
IE IS Te : a. o J © : : (ER Bie (EE i’ Cl © | ) ¥ uv o Sv he
CL Lo co aU ~ ‘- 1 2, ECT “ Co Le . ‘~ Mm o~ © OO ~ NM . Qo © . : . Nari 3 . pe Loe -— — — -— — IY) oo a 3 [RRA .
Cy Cn So [ > 8 eu C- t bree % Cn ; a - . - . . . . « “ Lou > a } 1g. ! - jis vo ue « oe ab ob oO 60 b&b a oD of va HN EE PE “5 . Came = or cr ed aH eH eA oot ot eed [ vv uo - : Te . ’ Dad us | vw tx Ire fu ba Bu In tn tu Iu > © o 9 = Lo os. tL bogarde — ! : | Tn
LE hd ea = oO ~ —~ © i . EON
EE TRS 60 : . a > 5 od : Coben
SR & e £ o4 Co a = . SE rt By od OW i x CAE PE 0 . O > I) @ . Bi
PEL ee 0 ~~ “ed 1 t o £4 I : EE oc < . mn OU W- a Te ol : : ta ord ord £ © © U . :
L EE wow I" v ou a Fa Le
Co ET ee The Ro . . VE TT ; 1% © . Co
Loam 0 Gg uw z = £ mc ' the
CooL ou « © B04 . oO 4 u%0 , pe : ET 1 ui 0 Q =z = = = = = ot mH : oe CL
CL sgn, E me a Cony : sl Doel . Ba — : t . or ry Co ol ~~ i . Co
Corre w v= Ne 3 iH A
Co EEL - o i] Can : EI Lr ou Ih i = Coe IE Ty ~ © OO O — oN © —- ~ ™ 0 4! vo oo -— -— -— od o~ od od a Zz He : So . oe . [= : i = - wr LI . Oo ia . : { : . EE 2], ‘ oO : x : ey] . b . : °. Yo i Co . hi tL } : : =; . V - oH . i 0 } bo 3 JE } - INAL i ’ HL
I BAD ORIG 2 Hoo : Sa } Cae. \ ol 1 IE - ! . Se FERS . LE : i. IX y a : ! : SY : . . - 50 » vy y
I he . RE 3. :
La . i gx
Co. F Da
LE ’ Sr vam CenERE Cet i ] . : : . Th 0 : Sey . ro . ’ 10% Bx nL : : is ; } iq : NR “- : . * - Ll “an | ; i ; A ‘ 5, . - : - The.._em podliment (2) _of the inv ention 1s Wo rked : - below, . co i. ~ , a Examples | to 45 and comparative Examples 1 to - 5 - . ~~ 5 Various surface materials shown in Tables 4 " ~R i to 7: were prepared by making une af a film
Co eee RE Co
SE layer ‘shown in Tables 1 and 2 and a fiber layer
YEE Co . } oe shown in Table 3 a8 the constituent materials. ;
Cw . The methods of determining the physical
So Coe 10 properties of each constituent materials and
CoE each’; .surface material will naw. be described. 3 UE © Values of the physical properties are each .an Soe Ln
Sh . 5 Ki d " J i . pr PT , . } a ' CL Ct he
Lo A ET average of 19 meagurad values. Teall : J v som Lo oo LER oo SU i Cae A SEN 5 fo Een “izThe cross gection nf a surface material was : RE
Le SRE Le 3 Le VS er ni . . . , os ; ’ Se f : - Ae Sig : . a : r . - ay :
CE PIS Sa 16, phétograpvhed ae shown in Fig. 14 to measure, the nT w CORE “a : .. K CR . ya . : ne . on ST } LE A o “ap ‘ ce Lo
LE angle represented by a letter with a% : - arty, \ RE et . ' . Dotan en cai So } Sore protractor. The meaeured angle was defined, as io
Co - the? elant angle”. Further, the thickness, t, : co
ER of the surface material on the photograrhy ‘wae " i . 3
Fi ETRE } ;
Co 20 measured with a ruler to calculate the real : nn eo ih - Bl - iar) ORIGINAL 9 Co
CE Ce BAD SE
CE NE : Br . rR Sah EY . CRE , : . Cowal Sh .. i yoy Cm . wel oe apd AYE i
E | oA fo : i LS ae Ge thigknees, T. of the surface material according | ~
Co © to .the following eguation (2), When the i ” gurface material is curved as shown in Fig. 21, oo gn 1 . Co an angle of intersection of a tangent ‘on : - 5 the upper end of the top section and a straight “i ~ £ “ SE : line z rassing through both ends of the wo : pi RK t opening region was defined ae the sllant angle, pS
Lc of ” yo 0 — a 2 ft oo .
Soe Tum) = 1900 t (mm) /x cen (2) 000 oro wh © © 18 - wherein x represents the magnification of the CL Rn a CL rhotograph of the original. LE - Sl
EE To evalluate the physical properties of a oC et » CA v . vo Co . oo . each ‘surface material, a model napkin Han. Ce aie
CL em he prepared by removing a surface material fromisig Cena Tp Te te Lhe Tm : etal . . ae ent ¥ CY ee Th wT EL i. TAT : Ari SAT pe An er. 0 16 commerclally available eanitary article, tiebd Ce : coe Laurier (a product of Kao Corp.), and thes Lm EL
Co Cee iT attaching each surface material thereto. LEE pt ean . $l pa i w ie . : 5 a . ih | . ; FL ae " (1) absorption time and amount of returned 55 CL EE
ST Th gy oT
Go , Cn liquid: Rh Yo EE oo . , Cel SE NC v. > ’ A ; - i : 0 ¥ : Lr . . ol - 28 10 g of an equine defibrinated blood was 2 cn
Cr | ER Sn . anal ow Ly oo oo LL : Se on or To
Co Lb - 52 - So »
Lo ~ LE la Cy
Che men lo | Ce LY El
Ce i AE . ) Cee . «J, er. : PIE - " : . on . { iW - = He tS
RCE injected into the model napkin at a pressure of
SEREI 5 g/cm?, and the time taken for the blood to be oo CO
Sl ~ absorberd into the model napkin wae measured. To oo The measured time wae defined as the oo . : b “absorption time". In general, a smaller value IEE
Co of this time means a greater liquid . permeability. After a predetermined period of Te - time, the pressure was inareased to 50 g/cm?, Lo ' yo S . ” ", " LL or + - and | the amount of the test solution which ' had : UE . Le k - Lo i - L RG u fs . T , , :
Lo CL 19 returned from the inside through the eurface oe
CE +» material wae determined. The determined amount Co ‘ Soh .. ’ ~ or et ' PA ea . Co et IB eT ’ .
To ~~ was defined as the “amount of returned liquid*, -
Co Sc and: a smaller values of this amount means a hE ) emaller surface atickiness and a ‘more ol : = S16 confortablenses at the time of nee. y YE co [a CoA ; RT : To Eo
Lage Cee EE on Ja .. 7:{(2) Hand and drape: EN Ae bl oo BL ~The following ranking wes made with respect in
Co ae . .. to the tonoh of the model napkin: A -
Co de . Co on i E :3rd grade: the touch is very soft. . .
Wo 28 2nd grade: the touch is soft. SE ‘ Co ro . ‘1st grade: the touch ie so hard that 1t is a ‘ £ | in i. Tao } } or : Ln : : hn oo St
Sor nh FE a Lo i gy - CL - 53 - co NAL Lv
SE LE . \GINAL on a aT © eA ORE = w LE | a go Cn a : \ Cy ce
Co hes EE - - Lr
Gon wb Conn ee ee
Co . - : SL asl
CL Lo : Lo ChE RL AYU OE ! Fo a Coorg Te Rn gl RAEP . Loan vot moa i’ AREER ang | SE
Coy SE WE IEE . . SR LAE FRE ens BE ’ Ea CRT le pe to a Co Cha SRL ER - = ne a. CRED a nosnitahble for use as» surface Co oo Cn material. oo Cn
ST He — - . :
Co (3) ¥isnal drynece: oo a
CE] = : ‘ - ’ : . 5 ’ ! . * .
CL ~The following ranking wae made with respect a Co - CB to the state of the model napkin after ; - absorption of 4 @ of an equine defibrinated blood: Co
To 4th grade: ved color devivad from Blood ie — s. 5) “ net. obeerved at all, oy 19 8rd grade: red color derived from blood is a CL alightly observed. So : 7 ‘2nd grade: red color derived from blood is : EA significantly obrerved. n : ' yon . i. N ’ .
L -7lat grade: red color derived from blood . Co
CoE Fae al CL Le mi X16 oo ig very «c¢learly observed "to Lo
Ta ad Lo mE EE Ce o . . Loge re . Na . tous - : Ch
Ro oy) EA LER such an extent that the red CT Tal * ‘ Elo Low SI ly RS
Ye } J SA a fir . Le La LN ; Cow Le color gives unpleasantnese. 0 Co Co LE
Eo geen PE Ea co SEN 1 . . = - . Ju . os we to Ca re ; : Gi ; Wan oT 2 ae oh . Ea ; hr oo - } + , - X ol L . ’ [as
Lo A “y " “ . - ; wo J b co i» a ; Ce vt
Sl wo : n . , 3 B Pel J i : CE : Co iE 3 : oo } Eos ~~ BAD ORIGINAL 9d Ce i : - ck tL - Lo ' . Cy Cob cL : To - RJ oe ST : x wl : 1 Con SL } } ! *! A i fh -s Br LT . ! ! ) v Can 2105 aL . a Ce ST So { SL . Cody a : : | “ : i go Te = LB boo AE, Ce : CL i ci Wl Ca i . a ‘ nt ‘ : -
a ——— ———————————
Co A i \ - 44 i . ao . : : ‘Oo
UE i : © oo 1 = = = = z z = = = =
Ud © @m . ow 3M nu i» . — — - ——— — [1+] 3 0 !
Ee -- on 3% E oe Ee 2% 0 . 0 - Q — Oo oo. | = = = = = = = = = “ wo << +
Aw U . oo ay . i.’
SU 4 3 n
H wn - oun = . u o oo 4 o ¥w~ — oN — fee] o~ [= wn ~ ™ wn oN 0 i more wo <r oO wn o~ ™ wn 0 on aa) nn 0 80H — + a = +) 0 - <3 0 Q a I NE - 0 . :
TJ . o 0 — c 4 ~~ ~~] nn wn nn wn nn wn wy 7a) wn ~ wv ny 0, © — Lae | ~~ — — —4 — — — — — — ~~ 2 — Oe o ~ 0 0 — o _
E o
H 7 rT - o + u » a > w Q = « VU ~— ed — cE >
Ed oS [=] o~ nN oN — — oO je] \O ~ ~ ~ PY
OZ | ~ — — — —~ — — —~ «A an .
E - 4. o — = Q JU] -— 0 > n , HH — _ - _ — o .
Oo M , ua 7 Q - -* a ~ [o)) << © ~ o — ~ —~ x < an «© 4 © ado wn | © wn ny 0 ™ ~ o = 0 nn nn > v — ge : — — » Y j
Q «uo Ss —~ —] -. n ‘ - Q . = n
[18] ut Q on & Q ~~ T = > 00 E | Bal
Og o ’ 3 ~ o oo <0 o o nn © — © o~ a 0 ~~ on ne uw | Ira nN re) un " nn = es a) = ~ TT Q, : cu wo —~ + 0 fe] ! — QU ao - 3 ao
TC ~~ [1] Q + — pr [J] ~ a d t — = 0 + Jd] o~ - Q MN £ : HH ks)
E “HH — o ! ~ — a oo ~§N| A] A en] eo] of ~~ © v4 o a wy on o ~ o < o~ 3] ~ — ~ ~ o~ ~ = z oO B . « A . . . . . . . . . .
Bal < o wv o o o o o o o © o 0 og — —
NE [=] = I I — a. . 1 HH « m no . TT — — i [}] . 3 . = [21 wt on . 0 n 8 = = = = = = = 4 = = = Ls [1} — 13 — o — IY] . —t ot oy ~r uy 0 ~ <Q an — ~— — 0 1 1 ! 1 | | | | | | t 1 = — Ft — — i — — — — — — —
I { ~ 55 - . H
_ — —r — TTT it ill
Co 45 1 , » Fn] 2 F vw uv E si oN oO ~r ~~ © | 1 1 1 | = = ’ yt m = | mM m “oR ooh : 0 © : : > 0 :
Oud 00 ! p ~Oo cl] ™ ~r — : : oo oA] 1 1 1 = = = = = :
ScB| =| «| «| « i wo v
Hd Ol
To Q — 0
Jow 0 0c . VO ~~] I 0 NE ojo ~ on nN ® = <Q oa oe oN ~N — ~r oy ~r al od oD ~~ I 00H ~~ u.c } 3 - ou i o @ —~| vn n ni | on wn Ta! © o © = 0 wn .
Nw ore — | i — ~ — — — — :
QO ~~ — 0 } oO ” . » a . - cS ~ “fg o ~~ on — — o~ © — ~ on : : o — — — —~ — — — — —~ —_— ~~ o~ LL ~ ou .
EO
2 8 = < ~~ — Io ol ~ oa o~ © — on © o~ ° 0 nn nn | © ra © wv 0 wy wn 0
E ~~ — 5 wl —~ a 3 vl {
Sf pa 0 |e
C= ©
Crm
Cas :
Es wt OQ ] o © ~ o| o 0 © o~ — a o o ~.] on }
I” ~T wy ny ~r ~r wn wy wy 7 tn wn <r 4 i > 0. ! od } a : ad
Ce —] i
JR ! ~ i
A i
E
Soe? . wt 6 ~ ~ | o o o — © 5} © o — o . °c ~ ~ ~ ~ o~ ~ — — — o~ o~ o~ ‘ — . . . . . . . - . » * - ‘ oe o clolo|lcolol ol of} of eof of ©
NU a » 0 lL
S i]
Te =) o ad v ol A I< EB a 0 a = = = = = [od << uy o ' a 9 a > © —
Se 1 I ta = 0 . (2a) wy 0 ~~ oa nN < ~~ o™ [2a] ~r wv . o — — — — — —t ot ol od ol ol o~ ‘ ! =z 1 1 1 I 1 1 | ' I | 1 1 ; —- =) = — — J rt = — H — ' . NN : BAD ORIGINAL dK . n “
L y . , . , ! i
Clty v7 ah oo Lo . RE Co Cu Siu Sh ME Sida fail
CE : wt Co Ce Cpe Bi OE el! def bebe
SERIE VIE Ne : Pe ret HAS Ie REE
Co © BE : Towle TT CERT Ths ; oo AL Co wh Ho as dass EL a : Leste Teen eg Ee
Pp ; TE Cee Pg, dees radint to a . ST : Bea Y et SEF SR
Teh : Yo NW A i EL SE ACI VE
Co : | v - i i KX Sh
Ce ~ Note: Ce Sl a
SE CR CURL AERC
: . E LDPE: low-density polyethylene (a produat So : wv of miteui Petrochemical Industries, Tr Ew . . “ : . Ltd. ) . : in . . . b “EVA: ethylene-viny]l acetate copolymer (a i Co
SE J product. of Mitsui Petrochemidal Lr . * ¢ “ a . ‘ LL Industries, Ltd.) 2 : Ce, “ Ne . . . “, - he Lo : = Tafmer: ethylene- or -olefin copolymer (a | : - Sle A oo : Co . product of Miteul Fetrochemical AE ~ oo
Ry 2 tT ’ wn . 5 . 1, Cli « : \ ) ce
CTT 1p LE Induetries. Ltd.) Eee oo -
ER - blend: LLDPE-IDPE-Tafmer blend Coe MT oo RA. JA*Z : the openings are present in the Te oo
SE following ratio: the = whll . .
Ee LE gection/the top section = 10/38. cE . LL Ladi LE ’ EE 1B ; ;A-3 : the openings are present in the." CoE ' no Lah A - Coke fH ee ERA . Si ay SH ny Te AE abt
Se J following ratio: the wall sectlon/, .- Wile Ta a
So Mes Ee sorte. Ewe En hee sme ay El Ch Ee the top section = 30/70. CR Ee rigged a hy Com : 7'A=3 : all the openings are present in _ the ~ 3 aE Ligh
J So Eg Sih REA - CTT es i he CE bottom section. ER Ch
SIA Cp : Cra Lo sa . 0 Shi i . She ty Lo Leda Leh SL
Do ge Lh 28 B-2 : a treatment for imparting “a hog on PAVERS hydrophilic nature wae conducted by. Co
RE Ce oe 5 ; . i AL application of a surfactant (Pelexy 1 Cv : Cann a product of Kao Corp.) aE oT ‘ CoE
La , } who . } . . Y - j a : , : “e ) Te - : ay Lesa Co obs Sh : Co
ChE to Coe - TE EV Cl rE
Co i. pro onanat 9) { Wp = Ye . a . o = BAD ORIGIN * ln i i - : = By No Le - . a ei ! . or } . ey . Lye coe LE
Lo So Fhand, EEN . vi TE RE : coed
Cr cL ~~ aki JAN Va Cor Ce 2 TR Th Le Col : Ca RE = ce oo CUE } wl Le Sn : ~ Ri SG = Lo r
X . on - Lore Lo Rel oo eR
BR aE A Cn 149 MR 2 . ! TE ? A . . 2 . HT. Ao [RCE
Sty Te Sd . EE toe ne (I cL oe : Cae Cee Desi A
Ai - I. sa . so : We, DT
A . - yo. a a Coe 3 - . So . Le . Loe . i . 3 to : co WN Joe : : a ER pe
SL © B-3 : u Lreatment for imparting a hydrg- . tL eg Doe a philic nature was conducted _ by : pe
Po Cn plasma radiation in an argon gas SER ; ; : . atmosphere. : ; : Cs 2 . 6 .-B~4 : a treatment for fmparting Aa - o- So ve . ; Si hydrophobic pasture wae conducted: by :
Co application of a fiuvorinated ’ - ro | r- . : repellent (Hapni; » product of Sony Co ‘ oo : Ce Chemical Cove.) Lo ' Ce CL ; vo . ; ae i : EL wnt gh RE 4 gh LR : de REL Tn ERE
EE i VE sn LTT i ou Nard et Sl a pA . 4 . Le SEY a ag v hr . i EEL AOS | EET ae he Tea
ERA, cet rel “ . CWE a Tg aa
Lo : cA : : EEE TEE AE u . ee aw cor ’ . Sa sl “i ) Sa 1” - SO Bs ’ . Ee woe we he owl Lrg : ay [EE Cs CL gE ae RE
CET Re : Ch Lt gt on Ce wade a Les BS IN Yo, yo oe
Ln a. LR 3 cS : vl . : ER Cot ry - = . Ll “ : So . ’ 0 a et + ‘ oC - . . IE
Lo Cie EEE i Saas Te } RUE | No 5 = CE or to i « oo Se Fe FC Cg . : a Cent o ; : } . es - 58 ~ yh NAL J) : , Cer a ¥ IG en
Title Trt Rn he BAD OR . . .
Cory Le : : : vs Ca
Soh EE : Ne Sot
Co i Co : oo A A . ny LC i Sl \ Ce " . - oo SEL RE LS
NEN ol i Wa . Le . . ee : oe FREE SN : oe t i
) 1 ( $ . ‘ 7 47 Lo oo i
BE
Table 3: fiber layer ar composition basis weight| treatment of
Kind surface for in lst layer 2nd layer | (g/m2) | imparting i | hydrophilic
I | ! | nature : | 11-1 heac-bonded ES 2d 40% ES 2d 35%) 11 : nonwoven fabric SH 2d 60%! PET 6d 65% | | i ; -2 |v LES 2d 40%! ES 2d 35%] 20 {SH 2d 60%! PET 6d 65% rr 4 11-3 | " [ES 2d 40% ES 2d 35%] 18 [SH 2d 60% | PET 6d 65%!
Jel FEI 0d 60k 0000] . | 11-4 | " | 5 3d 100% | si 3d 35% | 20 | Co ’ i PET 6d 65% ; | yes
TR
1-5 | sn 3d 1007 [su 34 202] 20 i ; i | Ray 3d 807%; i 1I-6 " | ES 1.5d 60% | 15
PET 2d 40%
II-7 |high-pressure ES 1.5d 50% 30 ‘ fluid-interlaced Ray 3d 507% nonwoven fabric ‘ 11-8 | spun-bonded non- a polyester | 20 | : woven fabric 1 -— +H 11-9 | “ | rayon : | 28 | 4
TI-10 dry-binder non- | zavor | 40 . woven fabric } ’
Ti-1a wet nonwoven | " 30 fabric no _ II-12|water-absorptive kraft pulp 33 paper 3
II-13|web " | 21 ! 11-14] Ray 3d 100% | 15 11-15) " PET 2d 100% | 20 | yes i I - | on a.
Co oo Ce Ted : Co ERT 4 SLND . Le : WN pA
Af ge cd PETE] RE
E Toate CE EAE BY ENE CM bo CT MEAL Te Ee go Te CARL La I Te : J oe 7 Cnt . Ls : el h Sa wen : . PT , TL . , ) REI . - . a Lo LE
A Lov AE . a NaN Pad iL Lo ES EL CT
Po Cd SU Te Ee
Po Co Ce a. Tn Ce EE v i» ChE CE CL eR . REA To . . i , . nl a ! : wr
Lo I1-I to 11-6: a predetermined fiber was ~~ Serr ! Cn : . Ca to EER
EX } BO oe formed into a web with a miniature i. - Sy : . ie ww mo . oi Cl ERI card, followed by hot-air: . or o 5 treatment. HE Tw
BY v | “ n 5 ’ “LT : oo vo a .
RE 11-7 : a predetermined fiber was formed . Joe . Se Cl Ci. aL / “a : \ py . : Cede tr,
J into a web with a miniature card, =. : | Ro ~ Co : followed by high pressure water i. o. ) 0 Co } , * or » i : . i SL So stream treatment. NT . . h Ch Ed Loe
I Cf 19 11-8 : “Alel"; a product of Asahi Chemical I ty . nA Sl Be nk FLA ee N vo oo ! TEs CRUE : LE . :
Sl Industry Co., Ltd, RE Ce a
SS saa aE . A . Coda ‘ on . ; Se
TE CH - rE [bE Mb TT 2 Pes cea _ diFe t "Talko TCF"; a product of Futamursa = er 3 ' [NR . al Cae ~ - get ve : . Lad Wh ie ox HR
SL LTE So Te a
Ea oo is¥. Chemical Industries Co., Ltd. A Cr hele nn . ' : oat : . fa avo be - Lg ee gE So Cog ~ © en : 11-18 : Counter Cloth”; a product of Re : A 5 ooo 1B SE Kuraflex - es : Caan
Lt Se : : hadi . JRA pin ag ee Tr Zed wo mgeoalooo 0 obdh me Ce TT re co A - AE J ; Su II-11 . "Yx" : a product of Inogami Co. s LA . : Chi . CER . PSE
Lge SE x CRA Ce : Logit . Tar Hs EEE
PhD a mE aw SE ar CE Oh BREET
Ce at eg LAT ye Td Cow candi Cet TE Ee i I. CEG EL SIME. Ltd. RC Cea Ll
I PE Fo a i" Cn Hs A Cp. Ce ETRE Eh Ee
PES “13-12 + a product of Inogemi Co., Ltd. .§f: Cle hE
L¥ - Tea Ld Lem Co ERAT - EL 1. Sd % or Comte emi : . . CER Lt Pee we
Bo Rhee ST »I1=+13 : a pulp was formed into a web } ZN . ah RG 3 co Mp lee | the air-lay method. - Sa Cpe be a SEN TE ny Coa ST nn hg] : RRO 8 CTA
Tarr A nF ro Co A ) i Dead . Le TE
Co te ,. 11-14 : and II-156 : a predetermined fibaép: SEY “ TE - BEY A : : IRSMR Y Woo oo Se EH was formed into a web with ‘a’ Cm o CL : I So Te SE : Sr “ . , Cedby RE - : : - . LC ' Gin Co En nintature card. LET co wl : SE AE 23 ne oT IRE : AA CRE : Ea La | : yee Cn EN
Do. Lh i - . : LEE) - 60 - nl on ne a 5 a
PR > Eo BTA oO SLT eg wo Co pt oo Ae : Cg nr : WE AE ; : So Ta ov
Se . iy ys : Pe So . . Cola
IES oe yr RR Cte TT . ' } Co Brin | 3 : dob s Cor : " ’ i 3 ! ‘4 x Cada Lo
L YL . CAE LAN Co Soma
EE ol ¢ a to . ! . .
FS © polyethylene polypropylene composite - fiber (a prodant of Dalunbo Co. , . at REL . : BH © polvethulane/palyestar comportte
BE fiber (a product of Daiwabo Co, , : re Lead) .
So PET : polyvargtay fiber (a prodoct of Tel-
Co Tin Limited) }
Ray : ravon fiber (a product of Nalwabo = ut 10 a. Co.., Ltd) = - treatment of surface for fmparting
Co oo . hydrdphilic nature: oo Cd -
H ER EAT :
Co : AD OR : ° ne . . ' me ’ !
' Le] N 49 oo . ( . ’ bo the treatment was conducted by applying 5S % py weight of pelex OPT (a product of Kao ir
Corp.) to the fiber layer. 1
Table 4: constitution and performance of surface material (1) constitution | performance oo film rp | of | and visuall method time (sec) returned drape dry- liquid (grade) ness (mg) grade)
Ex. 1 | 1-1 1-2 | cl | 32 0.01 3 | 4 12 1-2 " " 22 0.02 3 6 "3 1-3 " | 12 0.04 | 3 IE
NE | 1-4 on oy 43 0.0 | 3 4 "5 1-5 " " 10 0.06 3 3 ee en ES Eu "7 1-7 ! | " 28 | 0.01 3 4 : "8 1-8 " " 55 0.01 3 4 "9 | 1-9 " ] h 86 | 0.01 | 3 4 "10 1-10 " | " | 45 | 0.03 3 "ol I-11 " " 14 0.02 2 4 o Note: c-1: a resin film was jaminated on a fiber layer: followed by formation of an opening region having a shape shown in Fig. 2 with an embossing roller. - 62 = t
FF w
Table 5: constitution and performance of surface material (2) constitution ’ performance : film layer fiber layer integration |absorption| amount of | hand and visual method |time (sec) returned drape dryness a a [5 fran)
Ex. 12 1-13 11-2 c-1 30 | 0.03 | 3 3 » 13 1 bo | 2 | 0.08 | 3 | 2 :
Ceo | ore | oo 7 dows | 3 |e ow Lo Lv leo ” | "16 I-18 " " 28 | 0.00 3 4 "17 | 19 |" " las | 0.02 | 3 | & a. "18 1-20 " " 21 | 0.02 3 3 'o19 1-22 " " 23 | 0.03 | 3 4 "20 1-23 | " " 25 0.03 | 3 4 v2 1-24 Yo " 22 | 0.01 3 4 vo22 1-25 " " | 24 0.01 3 4
51 4! =
Table 6: constitution and performance of surface material (3) #7 | method [rime a it pe
Ex.23 1-2 11-1 c-1 28 0.03 3 4 " 2 lo | 11-3 | | 16 | 0.01 IE | Co » 2s " | 1a | bo | 0.01 EE i 28 " i 11-7 " | 13 0.05 3 4
Sl " 11-8 " 28 0.03 3 4 "30 " 11-9 " 18 0.08 3 3 "31 " 11-10 " 23 0.07 2 3 waz |" 11-11 " 15 0.09 2 3 - 64 = j or) ree
Table 7: constitution and performance of surface material (4) —_— i —_— — eee ema 4 constitution | performance | ' film layer |fiber layer|integration|absorption | amount of | hand and | visual method time (sec) | returned | drape dryness i oo liquid (grade) (grade) f (mg) : !
Ex. 3 | 1-2 | 11-13 | c-2 | 13 | 0.38 | 3 | 2
Cras) | 11-14 | " | 17 | 0.24 | 3 | oe "ose | mas | | 2 | om | 3 ls " 37 | " 11-13 | c-3 | 15 0.35 | 2 | 2 "38 " | 11-14 | " | 18 0.22 2 | 2 * " 39 | " | 11-15 | " | 35 | 0.18 | 3 | 3 { ( " 40 | 4 11-13 | c-4 C14 | 0.35 | 3] 2 " ar | " | 11-14 | " | 17 | 0.22 | 3 | 2 | JS " a2 | " | 11-15 | " | 23 | 0.24 | 3 | 3 " i | " | II-13 | C-5 | 10 | 0.42 | 2 2 | ! ye ) “44 |v] me | " | 14 | 0.36 | 2 | 2 "45 " 11-15 " 20 0.25 3 | 3 | i
C
"5 1-21 " " 23 | 0.02 3 1 t } } i i § 1 \ - 65 = ) { i
I i iN . 3 W . Le C To .
RECT : Carl Sn LR x (x
Swe Toa Ce wp > Ea cn Len Ee esl ho oe COREY i Tie RURE LS i
Ka Caf . RE ’ Mele,
Sy REE AXE aa 5 #, TOT
EL x Coal Eo lant a
SLE Ll iti Notes CERT i
Ler Ba Lm Cw ; . :
AER oh Lola SES C-2: a filw layer alone was treated with ..¢ :
Cala nl La Tong haan EL vos . -
As TY ae PR . . Sony Cg Syria . 5
Cr EEE eg wot ; HY Ly ) Sd aed Sa [E
CURE ie fT EE no an embossing roller to. férm ean Cin Ea Eh.
SERRA a ET iE - : : Tim CRITE
LEEDS UP eR ones TREE : god Croke ed
SEHR Lo anh Conk opening region having a shape, shoen =. 0 . | °C
CO Sho | wi is rR he he ji . Lt * * we - ;
EER eR CR : is CL
LEBER ee PRET 6 we . in Fig. 2, followed by fixation of a
So : OL CARL : Wh : To . ot - ' . } mt AVL . he or RE ; . z
ZT EYER fiber layer thereon by wemng:6f heat ES
EL ET SE bonding. TREO ou
Ls em EE 0-3: a flim layer alone was tregfed with ~~ °° ;
Re dT Coo EG : ars : Th vasa : COE uo Sead! co
ERT Tad Pa . Hl an embossing roller to form an fo oo
SmI Nn gE : ERE : EE Co
STR ma ~ opening region having a shape "shown io o
Sen 1 in ~ be i Joa . LL } . . *
Cn Ci io in Fig. 2, followed by fixation of a co -
ERE Co : SE fiber layer thereon hy neang of an. oo ta wre : Ba adhesive, SE Co :
Py ! ’ : Cd . Lohan | " . Co
Lee CE Madene oc Tel : cette, a, C-4: a film llaysr alone was treated with y i ey SN . & EY . SA sor Le o ) Chae Cw EN VRE C a Lo Lox
CORT ama he iE Earl Co : Ta TL Eee Se ih
Lo ER Si 15 an enboseing roller to “form an oc a ge
CS mes Al ph : & SR uo
Toe vo ak 4
Co A Sw opening region having a shape shown Cd :
Cee . Ce ~ in Fig. 2, followed by fixatlon of a -
SN Gh ME Lr CH
Lo ' En fiber layer thereon by meang of air ' lL , Wt CLE
Lo Ce Ca pressure, i i oo )
Lo 20% 0-6: a film layer alone eae treated with : oy ) : . oy Shane : ci Ce an embossing roller to form an
ET iy opening region having a chaps azhown !
CoE CE < nb in Fig. 2, followed by fixation of a : :
Etat Co CAE : : CER
LEE en Cm :
Sen } Sid amd ] : .
SEO EO Si seen = At a
Trig FEC Bo : mao RANE 66 aed i. yi
FRET CE CURT kn ny 9
EE .o a Co ( L ed
Gael Co Ri \GINAL §
Tao WE 4/gAD OR =
Coen CUR tid —— se ' My
Cea WAL PE SED uN
Bnh heen vn Lil “ FEEL a TRS dh TRedeg hol Te Le Co HH es wo EA ae he 8 UE SERVERS | J Ny. Mragle oT . . . . VRE CUE ma ts §
Lh ai Boe Ml Ale Lo ¢ ; £8 rr Leen Ta ey Wd
Sd of ; = ETRY Re Co Sg : . oo BN ce CU Alem TE : RE]
Sean A nT A ey Sy or Co wg -
Sn So : aE aa - & Dan Co
IE | Era Ty gh ' - i. i i : - i . Ten } : ‘ - “ } oo } He woe Soa . 0 EW : P we a on . - i : . . ¥ 5. Sone vo ooh ’ or EEE cE . OE
LL ’ "ge To aE A
Wel awn oad Wooo Tg my
Gonhe es oleae She Se Pp
CALVES mh fiber layer therson by means of high- . = .
Ce LoTR Coe eS CoN Co
CURERRL wh ne : a a Sor SL .
CATR en aE en pressure water stream, Wik TR Lo
TE ; Ce o iq i od i : rn oe : Sj : Lo. Io 0 a
Cn aA Rn fy ee . : An Coe a
Ew Th nay Wo hoe As can be meen from Kxamples 1 to 45, the: ; Sa r
PRD ET a : sean . . Cedanh Ut = =; SR ) L he - lr wlx to . Ee 5 . . Vel . )
Cone E 5. Gurtace material of the present invention is. :
Co 5 mall in the liquid absorption time - and the co Co
CA Le ee ‘ Ra CE
CesT amount of returned liquid and excellent in. the EE Soo
Cea iiylsual . dryness ass well am in the hand. and Hoe
Ca vi Coy . . SET Con nh Gime Ch hee GEL So ss Co a SENG . 7 i.Arape.- Particularly, the samples of . Examples So ©
Cl Ea KE ; ET oT
TT af 1, 2, 8, 7, 18 to 12, and 14 to 33 are found SE ‘
Co te CEES Ph Le
SLT 18 <%0 be improved in respsot to the liquid: return LE
IEEE Lt “preventive effect and visual dryness. and CL "oe ie : Che Cw ".. 3 CE AAs RUE
Tem, . ~ -:. therefors are ideal surface materiale. “Fi: Jer Tl ; tee Ea pI
Ch ER Ee CoE hp
Ce Seo. Im Comparative Example 4, since all. the 7p TE v i "openings were present in the bottom ‘ssotion, rl
SN 16 ' the 1lignuid return preventive sffeot and the : visual dryness were poor, Further, in © Comparative Example 6, since the film layer was oo
Dot } ’ ve } PERN "
Co “frea from a white pigment, the degrees of 2 or . Lo ou > : ng y ; oo :
Le . whiteness was low. Thie caused the calor of : : i 280 the liquid which had diffused into the nonwoven i ’ i fabric layer or the absorber to be in? sight -
Co So "through the surface material. Therefors, the
Se i Ta Lo
Ca : a CE
CE | Sid - 87 - > oo uh o Gee mS : ’ wl : a 7 EI Eo
SE to oT BEE ® . oN LET , eid A ORIGINAL 9 fon :
BS LH : BAD J Lo GUE ns
Sy . ! =, . . Lv . , . ra . I" oh CL gi : “ } ve ip
CEL edn ’ Coe So FEE Cis, TRC)
Lo TT Co salle
Lo ’ FR ’ vi (RVI “wR Ci SAREE oe
Ce - LD a SL VARGO dN
Lt , Ca CS . -: aR a Thr PoE wk IAS n5 ot co Carta : : ey CT phe letiR
LT en | | SE SEER ; wo ae . Che CE an nt LE ; . gat . : co HE . cao by Fi Vidi: oo i PA oo A co i HE i
J a Sen Ll CTL Rg ER ’ ’ Coke Co Seo ad ba 0 ] . VEY BAI CEL TELL so wl . Br CL, Va : ol fn | gree CoE : oe : - " . CL Fo = Li Cl ] Sen .
SRA visual dryness was. poor, AL ee GA Go
Sr Pain Felt Vo gt } Ci oo | | Pe CN . to The i embodiment (3) of the invention is worksd CARR x ed Ce Cry SA beldw. : wy 2 Ch i .. . > , ne . . i Toa oo - } ce ‘¢ Examples 1 to 11 : i RE
LT 5 Various surface materials shown in Table; 3 tn 1 : : vl de pM ~ : were prepared by making use of a film layer woe Ty HIE il CognakER -+ shown - in Table 2 and a fiber layer shownc dn ER fr pe Ce : SE - Soak : Crh 0 SR ARH (Trays ERM : Tia gael? . AN Lo RRETLTAR TREES RAEI no UES NS Tr Chapt TR ER Ae
TA Table’ 1 ae the components. Titanlum oxide. was EEL CE pea : tel CL IE : Fogle isn SE eee
Se A ; Cor haha i A TRE
CA added as a white pigment in an amount of’ 18%:t0. Cade RL . Cee 19 each film layer. + IN wedi Be or Le ' ”. o : ConA : Ces won Ie Tn : Cr CLE ’ Ele Be Cog ETRE
Co : Cus _ Coa TEE Ee
Lo ee _. Y,%In all Examples except. for Bxemple -11i% a. - [hoiv ope be : Call . Pet ’ pu Dw he he : EI LL AT : : Cp SOREN FE Ee ao oo film! wae integrated through ‘thermal adhesion : + Lie 5 pi
NFA with a fiber layer comprising a nonwoven fabric: Loi apn Ye - Ln IN . No SRE . . . : 1 AEE a oo LE RR .
Le prepared by dry thermal edhesion. having’ a Son al :
Re Sean! oe REL SEE BERS LL
Ca FI NE HE ARE hl BT Es EEE : . 16 composition shown in Table 1 in the step.iof Yes Her
Co melt. extruding a atarting resin to prepare’: a cE son BE Lal
Lon ES 24 £11m: layer, and the resulting integral =~. ute Si GE <r ’ JEL B Le oe SaRRES ee eh Siemens fT tv Cal een wa ee tbe LE TAR ey ot FA
S [RT structure was perforated with an embossing ~~ oo. 7 sl gE : GT Code : i TH uo Cre ETL fee : - Te ts RPE ! Mah Soames TR ll owe CALL os AR : . . RE Se ne ¥ Sa
Lom “roller to form a predetermined opening region. Cn SE
Coe tee Eee Tee
Co Tele CEE CL TEA Eh NR
Ca wo LT : CL NE yp LUE o | oe ‘ “i Lr , ’ . EA > bo . ~ ' : . So, } Cw CDE a Lien no f Lo : Ce . ka cd oe Ca 5
Co Co - 88 - Ci dm
FR ; . SA oo | ns a ~ : i : X A
Co To Coan : BAD QRIGINAL wi LE
SA A FoR ~ lia. . Wn } Re Cw : 1 . Washo Lo eT ! VU
ER RT 3 haters a Toten to Len Coed : CWEEL wl AE
SOA NETL i is CLEA A gen pie nl
Lore ng Ee Ln Ty VERA IT . . 5 To } Cer ER TR TR
SL : FE TUN gla ‘ Co Cat Coal rar he
Ch 5 Lo Adan oe Ty Bal , 3 Has . Cad Fg i . A
- mr 0 ——
Sd EFS “ ro : : ae ’ Coe) He Sia : WN Fr ro fh sr oo Lad eT Hedy wy . . Lg CL Foo 0 Sie , So 4 Le
RE Cy Tomer eg , : cL Cor RR ATA 3 hoa : Co Ee ee : EEL ; CAL oT Sf biigena od CLL - ihe . “oo Cooly © AUTRE Hoste To sufi
A Lt cal ot So . oo : RE Sec EAP x CRs Ty |b id SA wo vod SB v K . oe oe a F we - Ce bi} Ge
Neo Te : Co RE tn THR Rg REE , . BE CE ! oe Lt . . } E30 . 5 SI bE s TR . . a } Co i i Wika TAT al Beg { .. : “i . WIR a of DRL : ’ ; Cat eg Set A LA i CT he co 2 Nn ~ . winds roe
Po RC LBA SA SF ha SEN os PR . Te . Ns v § ann ; ’ i Ce . : %. } Powe oo Ch. et o. § Loew ' : Co : ALE ty “ et Pon . } In Example 1), on idm Javer alone WB” to LL CE perforated with a ambopsding voller bo Fore a . Wy,
LC " } To PEEL ‘ . ; ; yA . , Cie CR LL pradete rm Tred ovine reg bos, Ce FEE Cr
Sa EU Se RE " _- oo Cer Le po Bhye id frogn a bien wpe bebarmiagd a the ; : Pano ’ ’ 7 . wee . a CS 5 oo Ci . . i) . : PEs . , A & UE AAT vi 1¢3 foe ved ine thier ong vay ving Loe ! ‘ a « i . : ; showy be fo cep Ut the Ye or ‘ . pile . }
Ce } ; = - - } Lo A ch nl 0 oes ee hfe nl. hn ca Co . OT : Co : : vo Co ~ “A So cor fad wmode dsl way bake on thowa in Rig wall, i. :
Lo Co hy Fe EY Yl Cs tg
Ko Coe The SFpoint of dutaraeat ben of pooper ad boule rn no . : * | oT RA : . Ea i. y - 5 : 5 NLA) :
TR 19 higeqto ” 1 1 Us tine AL connec blag Pont dy end Co "gs Pa i at PT ey SL Sat © RE ) . . Cn Lo Sey j
Lo Some A v9 rég.n ff Hi Foot tom arsoticn 4 ka each other and CL EE : : : oly : Cates i i : : Th the sgh tow se chton 4 wae deo imated as 00 Hp pO SO
Si pT sar nh - CHILL ches Lh u Ce CA the “othe vo heal, the podind ar Tepes. sod bon EE NEw sal 4 oe . : Ee RTS Co h SNC v te “ CE ane Co rE Wook a eT a : : Ee perpend lanl Cho bay i, ate 0 Tioe at and “il Ln whe 1 . : RES Co PR : OG Ee ] . Cote bo Sethe . en . . LEE CNEL Te el Shs le 1B WAE ide ggnest od ms 0 Than, tha Jength of fhe Ena itn i h Ga CE LE AVE as pa — 1 ines: AV ov wn, Was Jdelorniaecd, to osnlounlate . i aah i Co : rT .. . ad Car Se. Ra ' See ' i“ 1 - ns J : Ce So | | SIME hee : uh the zradion of corvatnre, Ro mm), woecordtop cate wp a © La Ni a Lal, SL eA Ey fe : : LATE : Lani Cred ie Ch ale to Cee nS . CL role Co TNR WT ' te
Co . oo ‘ the foll win sguation (1): lv,» on LL : ' ce Sarat ' - | Se se oo ; Ln : ".
Do ant : Sg 5 a ffee Ch Tee
So CEA (1) po CE aad
Cw A sad by oer ar TE IE i : EE , Cea ’ in wy FAL ao Fe (dg :
Ks . CoE he - aia } i “ . oo I. Caer wall LS h ST 3 wa BGT whERads « reprevrnt sg the magnification of the CER
CE . o nk oe BE ' Ae REE Fh IRL oe! Lo . [EE Ce - ERA She Rene dE RE a > : . phobggearl of tha oprlgtunt, Cake . Cate Tal LER
GR ye | rE 4 : ‘ vA Cte FER coal + fa * Clee . , lene CLT te me ! RE VA CE CERT pO t ’ £5 HE « | x a ‘ Sa Sh Cie . SN . Ce =, : To - . - ; oa . ol rn CEE Ce . od 5 . Ea 5 . L dP . : CL TE . Ra RIX A Ca : GL . LET £4 “BAD ORIGIN nn : Sy eS K N | . Sie ] , i i Co . ~ } Fs . : : - soe dE : . T TR FO § SL ae ; . ‘ CoA . CEFR « . Ln PR : Co Le LAR i - : PE Or : v « <r SN : Coie 3 : oo . Te . ' do FRI Lo Lo L. j ean : Sn Can } tr oy I 5 ] EF i’ A
Ch SE Cok oh “ un Fi CRT Mo CT ‘ Coy Ce ' . . SEL Lo £t “ . Ce " Th Te
Fhe ' LATE sy Er. Le pty : : . AEA . . Sa iE
Tr a . TT EE EEE ee ——————————— ~- Cn . yy 7 ’ Sern Le PTE i Th
CT oH Coad oo CL oo . - ey or. . SEN . . . Sn . ¥ fa . . ee CH Coober Ca :
STR en) : ak Col '
LT nn ork .o w en TL ov fo : CER An i . : FURR . :
Se ne o Fon Be oe A Shira Co . Cu - DAR . LENT . Ce Sea PRL eae t
CLT iL To - yall aan dh LEE
EEE we : LE sien pt RE Te :
CLT EE ml on Ly : - RE : wl : Th . } 1. 1 on + ima nel bo Sr ey Rap : ta
Leos bet LAAN, 4 an 1d ahsorp 2 Cherie i. v af [A
EAE fay viseows Ma a to Tig
Ae eee amaiint of returned liquid: : SE¥mLS uy we
CTT i a Co noun FEY Woo eo Ee sh I . Co Cty ’ oak . Balin Sm oT
Sw and EE . degen 0 Tela 0 on
Co me AT ’ oo : oi 1% En FR ee Fae - Fea. agueons | 4 } LEG wi : ee
Ch ee CL E10 £ of Lan . Hg RS et EE od
Ch sat ep Re . . TRE Coe NE i
ALY eT ’ inleg ed EE co
Lo CoE TEER \ solution was AIlohe es. RE Co
Ce © carboxymethyloellnlose 7 k HL SE Co
Che i tetnined v RY
Came on aT , under & predstarnin Le Do oe iE 5 phe the model napkin unger CR EE ht x Ce Co : . the soliuion CC 2 Sit : “ae Cea wo the time taken for the 4M : i Co ie : so Rresaure. and x Lia ] Le Lo oot " . oo . vr. HORE Sh } amp WHA ERAS LE Co aot . Yo EY the &apsumed © Qe ve pe Co
Ck : Sy i 3, £0 be absorbed into th ox | CT Ri : asl fy : ad rag. the Lon : B o * wagmnred. The measured time was define Lo 18:4 ne Ly : Gy CE pede le 0
BE CN . TE weed NL voof Ahie - PU | . i Po A i lr “ miller Va ue OL. 5 . Cr es A ;
Soa “w2absorpt jon time”, snd a msl CN be TE fo : Lo : yee . Hq 1, Shot REE R - ji
La - ftv oo jquid permeability. ooo roms
ET 10 ‘Lite means a greater lia ALA He Sar -
Bo a Co eo Sa aq nn the Sef wr ] Sr
ER a: ; as increased, ands : 2
CUE 30 0. Shen. the pressure HAE ER 2
CLEP LL TER co turned Coo :
CREEL CORR LRAT tion which had return oo CARD 2
TEI Read 7 damotint, of the test solution BLE ho GER i
SEE Re Ol - } . ES . ] . go " atsr ial Ln } - 2 oat on
Jiri x THE the eurface 18°60 CR . : moh Lge de through the RL CEE oo gh TE from the ined SR EET
Fre a A ar EAA : . 2d amount Was Coy
Le AR Re LE SE 5 etarminec Lwin BE '
RT Has measured. The 4 Se Gem Co
RD Crh pM Tye - - : Ft :
FR ad , — aid®; and To A o an . ant of returned liquid®, . cL
Ee 16 ‘defined aps the “amon Ea es CT nt SOE ‘spaller a Ton amount mesns 8 BOE.
Co “a gwaller value of this . CE : Cy . nen vege e comfortsbleness 2 Tanrtace abickinass and a mor 2 . . Ea . . wo
Co . Chr . . Ca “gt the time of use. i pe . ; . : depts ; - Sy . : ° om, . wo } Jo - So a . BEES . Co So E . : Een Se Cn el - : Ld - - | or
CTT TR et Jud : : . ru Ph ¥ Sl Jagtes . Pel cee Lime AE Nn ) 0 - Te Ya Np end v :
Dean Tem + ! JE I EAD OR . - :
FEE LRT . CFE : SE oo . mo Pe Lote oC K ’ TLE - - qk - ot ’ "
EA Tn . v : UNL ay . Tags . LL FE . en i wa Co aa : * dn : Ca Co
CelTnerE Ta “ Ce Wie . . PAAR ' RY ER en EL . fk
PITRE RL hu oT eld , CoRR rn A CLA
BL I ee Eo Ct : Akl Siege. ow §
CARERS a ST Can NR RL ; HE : - Seville 0 3 dl
Sma gs A LA BA ST - : FA CAE TERR Le ane SUE WE ° ’ CT See SU ALIA gk . on EET J A *
: CURE i iE
Hy N
TENT 0
JE .
EE
\ Ee : \ it
Ck } \ Gs 0 . ’ \ RY ee ial JER AS wey ] a Y SR ] ] Lo _ co ’ \ ls ’ ee = me or - aN 3 107
Cos ae LRG t So LE Lo i Cant ou i : . La . . . -
SH 4: fiber layer
CL mempbl . =, : ry : a
Cone : Fl g . : u i T. : . ail - 2 Ts Je — : Sh con . smear . i
Co 1 i tion basis weight ~ > on ka To CE Conpoailhlo ” 1 ' tr Xe : a Corn (g/m“) 1 ¥ fs . oR Sn
Lo Ao Ci ond ig oT
Ry | first layer oo wl Co
Lo Ce ia IN ' ya . : . ig ee 28 : gE Je 1.64
Cu TE NBEF "1.64 WBF 1. . .
CNL me Sama ~
CN 3 Co TO 100% 40% : Lt
CL A Sr gu 3d Co
J Ae A eax . NE 2 : wn] CoE . . Co ? SE tes : LL el n at AT ’ ’ . . ood Co ee SER oo
EE hee Loa > - ot so Soa Soe " . Co ; Le : oon - ) So . Vv roe ' LTE . , : oe A SE hy out p ; iv Eh i ; : : a . . . no Con? . . ° . ! : ’ Ee Tol in s | . % ‘ Pa
Cow : Ty . } Lo : oo
Le ¥ Te “
Es Slr : oo
Goo ooEES Cue a) =n » {a ol - Cn 2 } . . i . } Che ie . J (Pre Gir es
JRE Co STE Tegan RRR : Sore : i Be Es Co FR el r oo ~ Note! DE
JNBF: a polysthylene/polypropylene : Co : - composite fiber traated for imparting : oo : - a hydrophilic nature te the - surface Co
Co 5 oC thereof (a product of paiwabo Go. . | oo . a Ltd.) fo Co
Z:BH: A polyethylens/polyester composlte : tg
Lr fiber treated for imparting A y . . Se
Ce . ; oe . ” : rel hydrophilic nature to the eurface : Cn Le LT : 19 CE thereof (a product of Daiwabo Co., :
PTL So : c : REET Ltd.) | SE +
Co TE Lah. I i on CAH CEE FOR
Co LT Ae 1s apparent from Examples 1 to 11). the oT Ln / Coe To surface material of the present invention . is . Cer
CT a “stall in the highly viscous liquid absorption | Co Ch ~~ Ce : . } : ST ’ . EIN : . ' CF :
Co da he . 156 time and the amount of returned 1iquid’ and SEI REE
Co SA ~* ,‘sxgellent in the visual dryness. particlilarly, Con : Ce RE ll ‘ pon RL “song . Ste oo I oe Cohn : RE
Slee ay uhe samples of Examples of 1 to 7 and 9.30 11 oo Lt vo sol Ltd : } Legg ‘ i» . To
Lo : ye X EA . Lon : Ps exhibited a particularly high level of Highly} J CT
Lo LE ..vigoous liquid permeability, liquid -- Feturn: Lo . .. fs Loe g Judy } Co Brn ~ } .. oo wr i CE 20 preventive effect, and vidual: dryness; and F R24 " ! : + oe : CR : eh [ne . : a i : Cee i: gherefore are 1ldeal surface materials. Lin :
El Coogi Cu . RCRD " co 3: Coe REE RE - no bo Cem wR hE : = “ - Fan Le Lda . SEE ' - ’ . : - Woon rE . Gog : : ny dag SE :
CET gs | 0 2)
Co LE ES pA ORIGINAL o . No - i wo Ae \
Ln - I a a : - 12 - CK, ks . . LT oo oe r : A to . ph HR )
Fo : WE Ee tL a i : 4 FECT } es . i | CR : CE ' - Lalo CRE ’ Ani
SE a iE : ha :
EE SI Coop : ER :
LL SR Co ES :
Cn } Core . Cet i a . 2 Wyse vr \ “- - ry . i ' EK -
ete A ———————————— ee . . ~- 0x] ,Z 0 \ 58 : i ua ow w
QU a o~ ~~ on — 0 od o~ Nn an ~~
LU YR ~T [3] 0 o~ @ ~~ [sa] oO —
Ho : 60H 1
LC . ow 3 + — o . un vo RE]
Cc o— ~~ : Q sho a 0 ~ [=] o~ o Rn n 0 ~ — nn wy wy 0 O° Oo wn wn wv nn —~ n © ve «ri OT 3a oud
J— ol bua 0 3 . wt oT un . o ~~ cu ! ade — oer ~~ BE - : ood UU 0 Q [=] wy r~ on o«Q -— -— an ~~ J le = wn wn al ~ NE wn ny x Qa 0 nw 0 MN — a 3 i
Cc ov — v 0 E © ; < ~ a
Lo 0 ~ ” — = To a =o vd us &0 ov EB o£ ~~ on -— oo oO -— — oo nO :
Ho o ol o~ o~ ol ol o~ £ 3 ! oc g . “ . « . . . J {
NU = [=] oO o fen] OQ [=} [= 0 0 * ea nM c > nn O ooo «0 «< lO c A — = Q = :
TT -— aU '
E ud ou i — o 3 J on 1 -r woo n J] ha o HM ow n BE 3 Rn © — o oA 0 nw JE oD on —_ | | 1 ax eu . Im = . . . . 1 i o — { o~ D> -— oO — -— Qo wi a Q 1 ag MH + O z 0 o © 3 a. , — ou o [TT] :
Ea] o oO oo 3 — 3 Dv d oH i vo oY cE = ! ec wn EA i
Ud [= ay o> Hl oO E © — —_ Do : Q +d >» ® QO CEG J 0 ou ae] 1 o~ oa yu : : ow = = | | o Q uw © a QV m Uv UUW oan > a oN w — U4 0. 0 — a>® oo } . _ Eo HoH 0 : No uso c . : . 0 uJ ab oe i . c i > on © o i c © uw — ch 6D. > ! ob gc og— ced = uC U A >t od I o 3 , jae] ce GW o oa [] | oad OOO — ! U c = = 1 3 00> ac 0 oo i “oe. < 5-41 OOH i 1 ow 0 — nn o 2 t “ cc ov Lo od ud woo oa =o od ~ O gg 0 aH 3 © > © © Cc ec 3pm — 33 ——n Abu —~ B8~ 0 . im © © © DD = ol 1 4 Oa [21 IN ve ee ae ee am ae nett 0 ao = = = z = Ou «C «© = = 1 au 1 oc = 1 A. Led jd =) — r=] 1 Ao — alm aa> 1 1 _— —— I I bn p— ME JIN I 55 peel < 3 mm . — 4 o ~T wr © ~ an [@] -— ~ ™ o \
Q — — — — j=} l
Z | | 1 | \ | 1 I | | ' 1 Q — — — -— — — — — -— — — -— = ul , { : : {
I
4 : - 13 = rec : : i or 59 Job 0 . \ ~ 0 - ag Q . : a5 a 3 - =r x 0 ™ <r <r -r -r :
LO n>
MH
> ! t c . 51 .
Ya J oOo + ‘ © —
Pu @ la] un ~ o oO un ~ a o E — — o~ — — : — Q 37a ~— a a QA rd Tg E 3
M E © og a M4 lt 4) oO ~~ : ol La £ H
Q
Q Qs
Q o ui n oO . ol 3 23 QV tn 0 oL—~ 0 4 0 * Yi A QU oO > nn ol o « — t~ wo 0 ~~ o~ ™ Wn aa) o~ © [} > ©
Q ~~ Q = £3 E is} oA A
E a 54 oo
QO - yd — . . M ’ o
Qn ie! o “ d © > Q . o a 0 LY , oO —t c 0 ' + 0 = = = = = OU 3 o a OQ n : +H Oo a 4 a ,
Ea! “ed - jon] [1] 42 + Ra . : on a o pS] 0 - | . 0 4) n o - i ) x 0 Q \ ve lag! 0 > [uv] — o~ m <r un ~ © on o ol a — — . — | 1 | | | | | 1 | | }
Q £ | + H I HH HH HH I! HH — {
[0] —
Ed Be . y+ - — o ™ <r uy 0 ~ 0 an o — — —
Se = = = = = z = = z = 1 [— — oy re — - 78 =
J i oo The embodiment (4) of the invention 1s worked : : a below. }
Exsmplen 1 to 47 .. Yartiang gurfars materials shown In Tahleag 4 ’ Bb ty 7 ware praparad hy mak tng tire of a film layer shown in Tables 1 and 2 and a fiber layer oo aliown tn Table 3 aa the canatitusnt materiale, : . ~ Each sample was determined in view of
SRN physical propavrtiass in the same way &0 shown ho 10 before on the average of 1 pleces of the same i. : dma a / Car gdmple. Klemm absorption 18 determinad below.
ES BE : wo vo
Hl 2 The helght of the rise of water was “
IRE oT megasuread 1? min after initiatlon of the water :
Do absorption according tn IT5-p8141 in the oo 15 lengthwise direction of rhe part having an
J) opening region on the aurface material of the absorbant article. | '
Lo an oT CT
J sh 7
SL a Tv dN : - cH . Vs :
SE con SET : FEE \GINAL
Su Th OE BAD ORETEE = el - 6 = be EE ' ] : a , So 2 }
Co we Sn Co g . i i BE . . ]
SE fs Ci, : JE oo ; nd . CE - ] . RE
Entel A ———————— — 61 Nl xr 1 . is .
Oo § 3 @ a E —~ a
Uy 1 = H = = = = = = = = =
Noa m -
J 0) 0 v
ES] — _ — _ — MN _ 0 c a ou 5 ao 2
Loc — 3H 0 — — - wt Q I = = = z = z = = = zs = [11]
MOQ <L 0 “0 — @ E ou 5 }
Qo ££ _ —_— ee —— SEN — Q 0
A won N own 0 ¢ w vd C —~ a,
UO U oe o~ —~ ~N — @ ~ on wn [a o~ @ o~
Mo 0 <r mM wn o~ ~) [Ya © on — ~ 0 — oH 5 vo a a = IPE —_ _ : El - — = 0 ~ o 3 - oo w 0 a SQLo o ©
Poe wn wn wn wn wn un wn < wn wn @ o Hoo — — —~ — — — — —~ ~~ — —~ “oon > Q Q [pf Q 3 ~ : | eg
E [4] 0, — @ o rd oc o~ = fre x E Q QO oN ~ ~ o 0 AS) o~ - ua ~” ™ © [2a] ™ ™ — a or — o a . . = e A :
TLE 3, — mt — \ >a
U OQ LS Q
Edo lac Q ~ o © Od wn ~ aU | wn 0 © o 0 73) 0
LQ ~ go — >oM . «© no ~ 2B }
Et mr ———— rm —— ——— Q !
Q a :
Ua MN i 0 3 ~ © i oN 3 , >a BE ot u '
LAO © [] © o~ a ® on no - oo <r uw [2a] un <r - hs cc 29 u ~~ 0 4 : ou T° = ay 0 QQ ! Q 0 ~ 2 - 0 oO © ~ Q 99 0
Se N © a
Hey o~ — ™ on oN a jo] Qo < ag ow _ uc 5 Oo o oO Qo ~ ~~ ~ o~ oN Q MN
N Q . . . + » . . . . o ~~ +o
HQ, ~~ Oo OO wy Oo Oo oO oO oO o ed a “no ~ Ld a c {1 . pet a. o on 0 = = z H = = = = = = a, . .. ¢ 3 a Tq on [Su] ee) _ ey _ _ —_— 1 a om o — o~ Q . — oN ™ <r mn Ww ~ mw oa —~ — — +H
Q ! 1 ! 1 i | 1 1 I I t | Q z = wt + H — — HH — = + al Zz : ~ 76 =~ I
Hd )
on rer on ———— rE —————————— on ' § ‘ } 7. . ” 62 3 + t uv D
Ow 3 a = — oN ™ —~ uu | = = | | 1 = = z =
HN a m m m m
JQ
0n o
Cc ou oo uc . 3 . Qo oN ~ < — wn — QQ ! i 1 | = = = = = 1
NOQ << < < << [A 0 pe a oO un ow o
Uv ~~ : - GU aU T [se] oN Oo aN aN uy aD Q ~ [@) <
SL ™M oN — b= ™ oN A ~ << <r — oH [I oO 2 oN » , — NC : ov ~ I — e wn wn wn wn un 0 oO < Oo <r <r 0 wv wn i o Be— | AAA] RA] =a] A —- | a1 A - | — § 0 ; > 3 {
Ji! — 3 — 0 0
E a — eC o—~ ol ME Q a ~ ~ a ~- ~~ o~ o o — ~ oa oO [3 92 ~ ol [aa] ™ oN ~ ~ ™ o ~ ™ ™M o oO f=! [3 oN [EA] : . Co ~~ : o do | ~|lolo|~]ao N]lol~lo|lo|lo]oa|o Co ~ ~ Co [Ne] wn vy 0 un Ne wn 0 0 wn wn 0 2 “nc ~ o —— { & Ye 0 —_ oN i > aE ' oH 0 —~ o [o)] @ o oN —~ oO Q o © aN [e 0) oo wn mn < <r wn wn wn <p A wn <r <r < wv oN ac Quo -
Uo 0 ! a ~ : ww oo 0g —~ od oN Oo oN o Oo (@] —~ «© Nn @ o — [= IN ¢ cE oN ~N ol oN o~ oN oN —~ ~ —~ o~ oN o~ oN .
NN Q . . » » . . . . . . . . . . ! ! - ~~ Oo o oO o o o o © o o o o o o nn oO v | w c « -~ o 43} £ [> a. wn a > = = = = 0, et uy Q a 0] 1 a > I] —~ 3 } © [=| [Su] 1] BE m ] mM < un 0 ~~ on Q —t oN ™ << un 0 . — — — — — ~ oN oN o~ oN o oN oN
QO I I 1 1 f i 1 1 1 =z — = La] H + — Ls] — a] Ft + — —
Hd e
Vi { - TT - 7 vo ; |b
: Te sf : . } . J . Cam we ou gl ONE ST . Lh . a " 5 <, - . : . . Note: oe = Coil - Ch LDPE: low-denaity polyathvlene (a product Lo to of Mitsui Petvochemical Industries, :
Es Ltd.) | Co : Ca . CL . \ ; | Ya :
CrRVA: ethylene-vinyl acetate copolymer (a { . : . . Ww , " / s - - to oo product of Mitsui petrochemical
Fe Indugtrier, Ltd.) CL ; So Tatmer: ethylene- § -ojefin copolymer (a - - i TIES produnt of Mitsui Petrochemical Be : Coe Cl : ep .
B JA 19 “Se Industries, Ltd.) ca -
Los Cig . : Tn : a
Sor JASE : CoE oh
Co a Cngibland: LLUPE-LDFE-Tafmer hlond Ce i
CL HE Bt
Sh ah a 3 oo a St A-2: the openings are present in the : So
Lo a = EE . CRE ® To following ratio: the wall sectlion/the~ LL
I. top section © 3/74. \ : IE 15 CL A-B the openings are present in the vo ’ vo ; following ratio: the wall soation/the
Lo , ~ top section = 30/16. , . . A-4: all the openings are present in the - Lo bottom section. 0 ! AR: apeninge are presont in tha Flat film. -. ren & trastment for imparting a
Co RE hrdrophllic nature was conducted by : i : a ¢ application of a surfactant (Pelax : / : :
E hora : 2 Cy :
Lon n i hl i .
So oY 4 LE BAD ORIGINAL
NE oe
CL | 78 - ee .
Ce iL I | ) oo Ah | :
Cohn : CL } a ile yh EX - - .
. . te - : i - } . ;
Comino < LT w, : Chr \ = Ce Hoy
Se a. o . Ln ok " : , x - : v “iy :
TRE OTaon, ime oo Cola
Sa I Sr . oo Cem - .
LE 4 | - a : ‘ aE NR xi . ‘ ” vf . . i . Co i
EL co Cres : LR : ce
Se co ES Lo Rg Sain Lp Ie xX Co
Colo hale ER SE Cee
Cee se ' OTP; a product of Rao Corp.) =i oo Eh ne
CET Tenn Tu TA oo LSE nl .- i BR 3 co So CL : oa . : . . A aN vs . Ce i; i Lon -
Srl AEE sow, B-3: a treatment for imparting a hydre-" SE Co
Ce hm. y EERE 0 Noe SR
CoE Te CT ' SEEN Eel Ly
CTE a CT philic natnre was conduated by iii. Ce
Ci Ce TE : Wap oan :
LT EERE plasme radiation in an argon gag: RL a } - : : i ' * - - ik - . , SE Lo. : : \, . - . ¥ ‘ ne ere Bb atmosphere. Rr Co . LJ
Be : Cy Rode BRD . Soh LT ?
Bi Co tn : GE LL :
Ce . : Con B-dro@ treatment for imparting a hydro- Fro
Se CULAR VEY cnn
RAEI co ERAD : oo asd pel oo eT SN phobic nature . was conducted = by REET SE
ERR Co Chel ATEN o~ A
ChE ee Piri application of a flusripated _ oo Po
Cl re HEA oo SORT a.
Cr EE LE repellent (Bosul: a product ofi7gonyl Cry a
LE : lr . ean . IB \ 3
Shee L- tay We . A A . cr : ol 19 Chemical Corp.) : Cd - Co
Co CE a | Bey co
Ce : le : “yd :
Lo J pod a
CL BR . Ln a i En :
SO » \ : SNR So ! - SE ” Ce ¢ dre Ay Sl
Ee ) [a . SrA ' 2 : .
Ce Ce : nL eo .
Ce BER : JS : 4 . No - . hi ' ‘ Cr . oo ie LA : ’ o [ oo Ca ’ . Ta ~ Co Co 5 = are En Jae TA To cede ) Z moe Coa ou wt oo I . athe sR 3 ; } : . : o ¢
EE A t——————eeee
LY : . / ook’) on : y ! / 9]
Um
QF © —~ hey
Ho EB —~ wn un wn nn wn o © © . = ~ — «~ oN oN ~ ~ hv ~ = ou oO eH =
Uc x = ; c
Qo — + <r o ~ 0 « “ “
U wo —~ I o 2 2 s 0 0 c 0 oe . . ) } ) ) ? ) g 2° — o | o co | o I)
E Qu oJ [
Io] a . 9
H kL
Ee T © - c ~ a — } a ! M d = = =
U w je > nh 0 20 Ed ® 20 i own Qo oO c un wn wn Nn I ‘ " M 0m 0 <r QQ ™ WO ™M 0 ~ g 3S :
H i] zr vy |v | oo | ow © — Am Mn ~ NN ~~ : . i
Aa c 9 @ 4 hy 0 c x fe a ~ na = 0 wo “nn nn . 4 FH hu |G am | aa a © TTT SE 8 . ™ Q °° w w ww ww $3 o QQ [oo | oo
Q [€] |] x 0 Ss = 22 23 — © g — —~ - a > TT [1 MA o o oo I © ~— . NS 3 83 nm 3
Ee —_ ! J +J m — 0 io i. aa uw | wn 0 = n= . @ od =] fz] fal Uv tm 0
To
Q A
T MN
CQ
QO m© i 0 Ww
T° 1 ) 5 Hc = = = i! qg :
X Q > £0 2 . >a 80
Tu ’ [) —
In ~ eA ~ ® on — — ! ! ! | 0 1 t '
H — H HH I — — —
H = + H — HH — — \ - 80 = lr. i ee —— rr —— = == = == = = = A ——————————————— (rill . ’ . ‘ 7° = 66 . NH © od . QQ —~ oo
ESI I = un o oO Q Q Oo ™ ™ — — wn o = ~ oN ™ o~ oN =r ™ ™m ™ o~ o~ ~ oN : oo - eH ~~ vc
ZO . c
S
+ o ~ — |e o~ 0 "1 olo | mi ~ + ~ Mm ™ un ™ © wn oN oN @ mM « [Id . . t . . . . t . . . .
Q Q ~ oS <Q — — —~ — — — ~ o
E Qu ~ vo Q :
[1] a © —_—
MH + + + & J o © o c — Q ™ OL ™ Q ™ ~~ - | = n 1 = z z n | 0 1 1 \ 14 oO 0 Q Q Oo Q oO Q f— © Tg a
CT - = Q + > co IL} 0 o® of 00 oP 0 ~ Q QC Qo QQ 0 oO mn un oO oO > c o — — — 0 eo Q — oN MN —~ [sa] H . Q 3 -~ + 0, . 0 oT T OT n T ko) o 0 0 ~~ 0 c 2 z z ala — Q . > o wu ‘ Q E ~ — > = = © ' - fis} 0 I Q « ~ : | oO v Os N XM > E+ > Et hed 0 [2 I fal ~~ #2 oa ; w | a : + 0 = .
Jo 8} Q : QU o ed -— © . gM |) v M4 19] c Q MOD 0 0 =
Q m 34 0 Tg a I} u
Q no 3 ¢ Ww MU >
T | n Jc a U Q c Yo va OQ co z Ja 2 wt qo MAO Q 9 ca c 4 v > Qt Q LQ > - > Oo Q £0 | gg A 1 0 Qa 90 cA M4 ' 2 LA 0 Nu oc 3 tr 2 MN lo} > C ood 0a ac > Cc oq Q, = Q
HN 0 - ~ oa QQ 0 NO 9 © © o = = = ke of £0 uy nun ga a TW Q, 2 oN ™ <r un 0 ~ @ an je] —t o~N oo '
To Coad [FTAs ee 1 1 ! . + | HH al — HH + — HH HH H — + + HH H HH +4 — HH H HH — 5! w 81 =
NK
TRI
I
‘ q70k~ ,
Hete:
Trot ta TT-17: un predetermined Fiber gas farmed inte a web sith a wmintaturs opvd, Tolle bu boboaly brestmont
So 5 11-13: a predetermined fiber wos formed } inte on meh with v miniataee eavd,
Tel Towed hy high -pregoure water ' , gtransm brealneat 1-14: “Atel”: a prodnet of Asal) vhemical io Tndoatey on ; hid, i.
IT-15: "Talko TOF": a product of Fotamura - : . Memlaal Indust riza (oo, Ld
Tr-18: “Conptay Cloth’ = proadect of
Kuvraflayx. . : . 15 JV-17: “¥yx": a product of Tnes=mi Co.
Ltd, 17-18 and 11-19: a proadnat of Inagaind Go,
Ltd. } 11-23 ul 11-21: a pulp was formal inte a gels hy bhe aly tas method, 11-72 and 11-23: a predatermined fiber wae formad into a web with a minfatnra card, }
Can BAD ORIGINAL MN — —
3 fa
CE So . ee a ¥ i rs 5 } le - \ & Pht ER
ER ol | a FEL a [EA wr a Ci 3 Ro BE - . Sl ~ “4 x . y; BN : ES: mlyethylene/polveropylens composlte : : Fiber {a product, of. Chisao o . Corporation) : ’ SHE: polvathylena/polypropylane composite
B filor (A product of chieso } Corporati ond . . BH: polyethylene /polvester comnorita fiber ! (x product of Dalwabo Co, Ltd.) ; ; B PET: polyester fibar (a prodnoet of Tellin Co : oo SE } 10 Limited)
J {Rau raven fiber (a product of Datwabo
So i Co., Ltd.) Lo oo oo oo 1 a mixed system comprising an alkyl ’ i . A Let . . i rhorphate and a sorbitan fatty acld : . : Co . SN }
So 15 Lo artar ) alte a ee2e s1licone treatment
Co Si MET
Son a 230 3: alkyl ketene dimer treatment : : to Cl
IEEE IE i oo so for . 1 oo ; UE ]
SU
Cs .. - -.83 - 0) i oa ol ~ NAL ER : " AIG\N .
CE : . ol .L i
Ln
EE voor 4 \ ~ kr 3 } ‘ % * dd 6Y 0 ~ 0 qa Q
Ja - <r SJ <r AS < <r < < <r <r 0 > Cc og © . . — > T 5 — — — 4d © ~~ Oo ~~
E ° c _ o ~ CAE TI) 0 % - I QT =] - TV moo ™ ™ = ™ ™ oO [aa] ™ m ™ Hoo
M4 SHH 9 ©
Q « qT oO EA
Q x ~ 0 uv + c mee —— def — a 0
[1] © ug 0
E E | w Q
MN QT > EB o 0 UT : 0 [0] =] Yoo 0 A SNID| <= |o ~ T | un © ow | wn © Tg © 1} 3 0G 8 ™ oF ~ Vv mm
Yq o, Q YU A 3 - Nu E 0 ~ Oo ~ - <M — + . —— -- — -—— —~ of 0 0 = = wl
Ww ° o~ © FERN TEN 5 . ' QE UO 0 © 0 <r w oN DN T ca v on ~ ) MoH Q ~ ~~ ~ o~ tn 0 4 — Dr
Q Qo Pn af a a ~ — io! Q o
E < NA . Tm —— ——— ————— ae Q . 9) je] 0 g :
Oo 0 ~ ;
LE] H 9 Ww 0 o L oon ° 3H = © uw [o] E oi! ~ Q oO — oN a oN oh E 2 I ™m A ™ ™ ~ ~ ™ cw '
Q ~ 0 no oT Ln © c oa gc , o X © 0 un
TTT TT TT "ow o c =
Q Qo - ot Na) . E c ' 8) vg wo A 9 0 — — 5 . = [Cr ! = = = z = H © + od [@] nw cc rf c QQ © o 0 Ho E 2 cc 0 - c Q + I] E A = 3 TT ~ om ' Oo + HO
Q ~ HOM Wy sy i + 0 oo ™ 0 Q 00> | © on a ~ HH = = = = = - o 0 fey —H nH = © ol SR [TR
TTT 0 oQ
U HN Q, — E ov Qo — ° 0 + — Dy — ot <r un 0 © aN — ~~
Q oa | t i 1 f J 1 1 1 iv} zr — += = — BS! — — HH —~ 2] = _— 4 —_— eof — 1 o — oO — o~ AS) wn 0 ~~ @ on ~ — 3 x x X xX X * xX x xX x Q . : [4] fz] [4] « fl fd t=} ow a} [4] 2 « 1 b . i sf reer es———————— tes ot ——————— Te mmr Ere er Tr = =r. A —————————- rd or
LA
70 4 0 ~ 0 q QO ac ~ ™ o~ Ei < <r = <r << hol nw >No tM . > 0
RK od TT 7 - TT || TT ~ o foo . —~ Q. 9g . © TU © © ™ on ™ [aa] ™ ™ ™ ™ ™ ™ ™ ™ or cod jo a a TT oO o u je of ~ jo + re] —_— —_—t ft d g Ww £e M oT . oO ¢ T © Lo] Hog oA ~
M cM 3 — Oo ~ © ~ 0 —~ oN @ Nn ~~ 0 © 33 0 E w ~ © — — — —
I a Q HA ~ ~ Yd £E OU —~ 9 LN 3 ee 0 c
Q uy -~
Q 28 ~
LE O \0 — 0 [&)] oN [ee] oN —- q+ ~ o~ —~ o~ mM ™~N mM o oP 0 0 vw ~ = Q fist << . E I
M oO oc 4 +39 . - ° 20 ~
Q ~E oN —~ ™ [a0] [93] QQ ND Nn o~N ~~ an
EHE oA “ mm oN o~ oy oN ™~ [aa] ™ ol : Uo wu
Y Zz o Mom 5 9 A » - 2g . ™ OQ i 3 NO 1 = = = = = +) oy lo}
G5] oe a A = ie) — oc = _
Q + - OU - [SEY + vO ~ © 0 > 1 o ~~ © | = = = = = = = = hy Q fu — un oO ne eee fe CE
Q N
' — Eg ov ™ < wn 0 ~~ w a oO ol ™ < wn Ne] —~ > —~ —~ — —~ i — — o~ ol oN oN oN oN
Q A ! i 1 i 1 1 I | I 1 1 1 a fn +4 + =! a — — — — HH + — — oN [2a] Al wy 0 ~~ [es] a oC —~ ~N ™M << — — ~ — — — — — o o~ o~ oN o~ x “® " xX x x < xR » x xX x = 2) m m [x1 [3 [= [] Mm 3 fl [3] fd 53 - 85 w= 4 ! « 1 ek
, oP 720 3 71 :
T
0 ~ 0 go a 5 Sloss] < n> belie > oO ™) ————. . aid ©
ER
© ~ Qo
Ls} TV woo faa} ~ ~ ” — Cc MN 19] v © To;
Q oO o ~~ c + ©
Q £ Uy e MN 0g 0 © To i © uy Yoo
Ind EN 0p on . u @ 3 30 E s © a g UH = hal E © ~
S| Ch ~ = a c
Q
Yt -
Oo You ~ aE 0 .
NoHo = b a 00 n ~ 0 0 =
Q
© << g : IY oO vc
I 1] g hE : a £4 E o 59°
S ~~ 0
I XG c Is . 5 5 ° oy mw OQ = Noo ] . +4 oo ’ a] o u + o Dg 0 o + — c If
S 5 Hoy oO ~ Z Ie ou u — o~ «+ © ~ Q o - c a ! ! ' I I i rT = 5 nx Hl = Ho Hoe ey
S A = = Ht — ~ — H — 0 Q a sy hi gE o oN —~ > | } 0 an J ! i] L, —~ & 818X183 Q ~ | nw ~ oN ~N oN «a ”m mM ™ [22]
X % x x % Xx x » % ] .
[3] 0 5] [4] G5 & & % x [ - 86 = » , i , 1 i i]
TF
EC ——————————
ET — ee EE EC —————— J - a 1a? . \ - lz < \ ; . . a . ~ un
To 3g ~ ~ 0 > . a3 > 0 o c —~ oOo
Qo ’ T wo oy [= VERY
Qo TT on
Q o - c og
E Uy . 5 5 o bY wel
E Yam ~ © © v IIE | ~
A QP .aA © ©
E OU ~ * < co 0 *~
Yoyo
NEU = ~ \ ~~ “a9 Q 5 e Q
T Q Lv un 7 0 = + Q o < - Oo nN
L 4 - 8 + 0 a 0 75 . . i] } g ELE ® r~ ~ a 58° 3 ~ Q
BE ¥ © c 3 - — <4 g © 0 . 39 ] ] } [orn} c u @ 3) 8¢@ o 5 i] mm am
A . bel Noy © ~ ~ Fa] Qo © ~ ® a Q > ; ; ; c aa JS J 0
Q tn ~ a = = © —— 131 i; zl ’ —~ > "oa be —~ ; : ™ : { x ’ £ - B87 = . k [4 a ee EE rT SL ttt ————— » * 13 ] + 0 — 0
TO
3c o~ melo] ele uo oy > © — T° - o —_— : ~ dy
QT
TU mom ~ ™ ~ ~m - ~ S Hom qa a Qo oo
Ba Q x _— v gw + 5 | ow a 0 ao
E LS] Yo A nd CN JD ~™ ~ < 0 © ) o 9 | S55E| 06 SS a Q bom = u E a uo < N i
H ——— one ] o » j=} 0 n 8
Dog —~ i 4 LE © olo lo | ala ~ oO MoAQ [53] ~ @® — 3 8 §0 3
QO q i = 0 < . i \ 0 = o " " /
E 0c
MN 00 3 £0 yy —_ a o on
H ae a 2 2 © ENE
Q ~—
Q v un . sa a Xm @ ° . 5 : c 9 i 0 um — © 0 + yc = = . oD , 3 Qo + c 0 E . > § b : H + o ; i n 5 « oJ ! 0 i NM o J. ,
Q + vw ~ ~ © o on , 0 0 > I | T 1 ro - c H m© 1 oe a 2 A —_ ‘a 8 fr —~t 4 4 — Hy ao ~ ’ v 4 :
Eg 0 a 1 ~ > c .
Q a> A ¢ & fr —~ ™m < ~ hed <r < % | a x :
Co Boo x <
Note: ~ C2 a ftilm laver alone was treated with an emboaring roller to form an openiag reglon having a shape shown in Fig. 2, followed by & fication of a fiber laver therenn by means of heat bonding.
Amr an be geen from Byvamples 1 fo AT, the surface matarial of thes preasnt Invention 1s small in the absorption time and the smennt of 19 returned Jltauid and exesllent ip the visual
Arvpera nag wall ag In the hand and drape. : Particularly, the pamples of Examples 1 to 7, ’ 19, 11, 15 to 34 spd 44 4 47 oxhibited na remarkably high level of Tiaqutd retuin praventive effact nnd visual dryne se and therefore are ideal surface materiale. : - 89 - . r a
BAD ORIGIMA} F ’ .

Claims (3)

yok ' 27087 , Claims:
1. ganltary arttols comprinctng an absorbent and a gheat of a anrface material to envelop the absorbent, the sheet comprielng an : 5 opaque, hvdrophobio film sud a layer of fibrous agaregatee, sald layer lined on the film on the glide nearer the absorbent, sald film having recesras in ite top portion, the receases being formed to have a bottom rection and wall gection. entd wall agention having a slanting part, eaid slanting part being provided therein ) with an opening and raid slanting part having the opening not covered by the top section.
2. A eanitary article an o1aimad in Clalm 156 1. in which the hottom is formmed upwardly : convex. !
3. a sanitary article as claimed in claim
1. in which the gpurface material exhibits a height of rieing water of 1 mm or lower, determminad by the test method on water absorption of paper according to the Rlemm’s ’ method, referred to in J16 P8141. - 99 - / aE BAD ORIGINAL P) _ i
PH37294A 1987-10-30 1988-07-27 Surface material for sanitary articles PH27087A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62275220A JPH0775617B2 (en) 1987-10-30 1987-10-30 Surface material for sanitary goods
JP62318333A JPH082363B2 (en) 1987-12-16 1987-12-16 Sanitary goods surface materials
JP63029159A JP2602521B2 (en) 1988-02-10 1988-02-10 Sanitary goods surface materials

Publications (1)

Publication Number Publication Date
PH27087A true PH27087A (en) 1993-02-19

Family

ID=27286450

Family Applications (1)

Application Number Title Priority Date Filing Date
PH37294A PH27087A (en) 1987-10-30 1988-07-27 Surface material for sanitary articles

Country Status (1)

Country Link
PH (1) PH27087A (en)

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