JPS5959934A - Polyester special processed yarn - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Detailed Description of the Invention This light is a false-twisted polyester multifilament having omentum irregularities in the longitudinal direction of the yarn. Change in cross-sectional shape I: A new specially processed polyester yarn with a different shape and fineness.

Conventionally, large pongee spots or dyeing iI'?
False-twisted crimped yarns with 11!17 flame kp on the surface of r111 due to gender differences) are well-known as IC
Teshiru. For example, Tokuguchi (1979-559498 Publication)
This (off l-leg filament) is a monofilament consisting of (l) with a partially unstretched part in the axial direction r++.
False-twisted yarn of 1 to 84 iIi'' - a fiber yarn, with a contracted portion in the yarn axis direction of the filament;
Non-4N i? There is no difference between the i part and the i part.

False twisted crimped yarn with mixed strength IJ Wi is open 7f
; has been done. However, from lL, this thread has h'4 shape σ
] Spun from a spinneret (all fibers were spun into 1 variant).

It is fused and the L yarn has a sea feeling (1Z
) It is difficult to develop the degree of irregularity, the irregular shape, the tension like that of a mixed yarn of different speeds, ; 5,
6.

Also, Japanese Patent Application Laid-Open No. 50-25844
It's been a long time since I've been relaxing Margoufiwoment! The part (＋'＞
(After applying a percentage difference continuously to the sides, heating and stretching is performed to give uneven yarn length differences, funda- nos, and constrictions within the same filament. 2) Force and further heating. False twisting in addition to twisting]-
Use the culm in combination to create a partial image [potentially between the filaments and within the increment! Temporary 1 with 11f difference, uneven thickness, and torque? , 9fi crinkle yarn is shown. However, even though the yarn has monofilament otsumugi spots,
The yarn as a whole has a thickening effect and a scratching effect. Furthermore, JP-A-57-66134 discloses a single fiber #IIN'J, a false twisted crimped yarn made of ilt yarn (thermal nJ plastic multifilament with equal degrees), which has a cross-sectional flatness of 1.2 or more and a cross-sectional flatness of 4o96. Kari 71J dirty rice yarn is shown in which the core and sheath are made up of a filament having a crimp ratio above and a filament having a cross-sectional flatness and a crimp ratio smaller than the filament. However, since the yarns have the same single fiber 411 fineness, they not only do not have the same effect as described above, but also do not have the soft effect of mixed yarns with different finenesses.

The non-invention was made in view of the actual state of the prior art, as described in -E, and its purpose is to create yarns that have glue spots in the longitudinal direction and have portions with different dyeability. To provide a specially processed polynisdel yarn which is a false twisted crimped yarn and has an irregular shape between the longitudinal filament and the final filament and black fineness.

From 1 to 1, Kizu 6 Akira is a false twist winding of Borien Teru multi-fiwomen 1-11 having thick and thin I; 1 in the longitudinal direction. The diameter of the yarn is 1.5 CIl, the percentage value of the yarn is 1512.6 or more, and some single filaments 1 near the core of the yarn are different from other single filaments. It is characterized by having a large fineness and an i+ii flatness of 2 or more.

The nine yarns of the present invention will be explained in more detail below.

One of the 47 characteristics of the invention is that some single filaments near the core of the yarn have a fineness greater than that of the ill filament l of the yarn and have a cross section of 1116 flatness of 2 or more. It is a certain thing. In the yarn of the present invention, a part of the 14 filaments located 4 degrees near the 5th part of the yarn has a larger fineness than other single filaments, and the Hgr and Ill flatness is 2 or more.
Hand 1 (Since there is a 16-flat C, bending with a dog-thickness thread)
11I l;The strength against Ii and the crispness of the flat yarn combine.

Tension, waist (=1 can be given. Its? +h
As long as the i fl+a flatness is 2 or more, the cross-sectional shape may be any shape.2 For example, a shape such as a deformed J=E square can be mentioned.

The yarn of the present invention has irregularities in fineness in the farthest direction of the yarn, as will be described later, but when a cross section of 10 arbitrary high-purity areas, that is, pus-stained areas, is taken from the yarn, only a single It is preferable that filaments having a cross-sectional flatness of 2 or more account for 5% or more of the number of single filaments in the yarn 4I, and depending on the purpose of use or the like, 10%I1. J2 may also be present.

In the yarn of the present invention, in order to achieve the effects mentioned above, it is necessary that the cross-sectional flatness of the queen single filament is 2 or more, and if the cross-sectional flatness is less than 2, it becomes a regular polygon or The cross-sectional shape is close to circular, and the effect of the flat yarn cannot be effectively exhibited.

Here, the flatness of the cross section fi:lj is defined by photographing the cross section of the yarn, and dividing the cross section of the most deformed single filament into two by Jll, which is perpendicular to its diameter, and Measure the diameter that bisects the area.

Cross-sectional flatness = maximum c diameter / minimum ti! The diameter shall be the diameter.

FIG. 1 is a cross-sectional view of the thick fiber waterfall part (lξ4g4y part) of an example of the yarn of the present invention, and FIG.
FIG. In Figure 1, near the center of the yarn, there is a single filament with a larger fineness than the other parts of the single filament.
However, there is a single filament with a large 16-plane I flatness, and in addition to that (11) there is a single filament whose fineness is less deformed than the single filament near the center.On the other hand, in Fig. 2, there is a single filament with a large fineness Single filaments with large cross-sectional flatness are not observed.

Next, the yarn of the present invention (9) is a false-twisted crimped yarn, and the thick-to-fine ratio of the filament I. constituting the yarn is 1.5 or more.

It is a yarn whose C value, which indicates unevenness in yarn fineness, is 5 shades or more.

The yarn of the present invention has a thick-to-fine ratio of Ill filaments forming 1°q of 1.6 or more and a 0% value of 5% or more, so that the tension of the mixed yarn with different thickening properties, It has a stiff and soft feel, and the yarn appearance has a strange thick + tut difference of monofilament and a difference in the fineness of the yarn.
The large mW is a random patch, and it shows a natural 2r and outer hull. Moreover, the large yarn part E and the fine fiber E part.
There is a case in which the c part becomes two agriculturally dyed parts and a light dyed part, respectively, and can produce a shading effect of light and shade.

If the Daisuke ratio of C11 filament 1 and c961g of yarn do not add 71:15 to the 11111 box in 11],
The above effects are not achieved i).

The yarn of the present invention has random thick and thin fλ1 in the longitudinal direction of the yarn, and in the yarn portion, all of the single filaments may have a thick or fine fineness. For the thickness ratio, select 10 parts of the 00 part of the yarn, set l〆JjF to 11 from the cross-sectional photograph, and calculate the average value of up to 3 pieces of thick single filament in order of J + Shidai's items. Similarly, the average value of up to five pieces in order from the smallest (a) is taken as the diameter of a fineness of 711 filament.

ii of thick filament 711! The f diameter/the diameter of the single filament is +A i. In addition, when measuring the diameter of a single filament, if the cross section is not a perfect circle, the square of the product of the maximum diameter and minimum diameter that divides the area of the cross section
Find it as a value.

In addition, the yarn CeJIyfr (manufactured by Zellweger)
The fineness m under twisting tension is measured using a star under the following conditions and is defined as the CS value.

C,96 value measurement conditions Yarn speed: 100 (m/rn1r
+) Measurement method: Half inert method [<JJ>
Large ridge → -Minimum IA)/2) Maximum fF answer 11:1
2.5 (Lucky) Nuvind p rotation speed: 90U[] (r
, p, m) nllll Yt JJ: x fd rotation Q
: 50 (m) There are a part ) and a part with a fine IR degree (bl), and an intermediate 11 J-(C part exists between the two parts).

FIG. 4 is a side view showing an example of the yarn of the present invention, and the yarn is composed of a single filament having a thick r111. The large fineness part <Al is mostly made up of thick 171 filaments,
Ichidan 4÷chi≠→→→; 4tojintokinoba □sukeidenbu■)
Most of the thin single filament 1- is included, and some thick single filaments are included, and the large fineness part fAJ and wholesale 11J1
．． The 0% value indicating fineness unevenness with Bl is 5% or more. Thick single filaments have a high dyeability as described later, so the large fineness area (A
1 becomes a dark dyed part, and on the other hand, even though it is a thin part tBl, it contains some thick single filaments, so it becomes a deep light dyed part.

Furthermore, since the yarn of the present invention is a special false twisted crimped yarn, it has the following characteristics.

As shown in Fig. 4, the thread of the present invention has a fine-grained part that is crimped by false twisting and crimps and is exposed on the surface of the thread, and has a thick part. is in the center of the yarn, showing a varied morphology not seen in normal false-twisted crimped yarns, and arch-shaped crimps appear on the Tln in large fineness areas or other areas as well. Since the yarn of the present invention exhibits this L-shape, it is possible to make the surface touch of a textile object made of the yarn of the present invention softer.

Next, nine examples of the method for manufacturing the yarn of the present invention will be explained.

The yarn of the present invention has a high i! l! The birefringence index (Δm) indicating the degree of orientation obtained by spinning is 5ox+o-' or more, and the crystallinity is not significantly increased. Relaxation heat treatment is performed at a temperature in the range A, and then at a temperature sufficiently lower than the above temperature. Depending on the case, after the relaxed state is returned to its original state or more stretching is performed at room temperature, false twisting is performed. The false twisting conditions such as the number of false twists and the false twisting temperature can be appropriately selected depending on the desired product. Note that the birefringence (ΔT) is measured by an interference fringe measurement method using a combination of a polarized Vn mirror and a compensator. The degree of crystallinity (Xc) is determined by comparing the specific gravity 1'f obtained by the density gradient tube method with the specific gravity value theoretically obtained from the crystal (one-piece structure). It is calculated by.

Crystallinity (Xc) exceeds 25% during withdrawal rate relaxation heat treatment (10)
1. In the case of twisting ('4), the core i
'HB ) catty f, ) j1t filament cross section fli
Since it is difficult for the 1'l flatness to be 2 or more, νf is not desirable, and if the relaxation rate is less than 50%, the contraction state of the yarn will change greatly in the direction of the single filament and between the single filaments. Therefore, in the ninth drawing step, it is not possible to form a yarn having a thick fineness part and a thin fineness part, which is not preferable. Furthermore, the temperature of the stretching process is sufficiently lower than the temperature of the relaxation heat treatment.

The thick fineness portion occupies most of the portion in a certain part, and the thick fineness portion is likely to be formed. This area is not sufficiently stretched and has a good dye exhaustion rate, resulting in a scratched effect.

It is presumed that the flattening of the single filament in the yarn of the present invention is caused by the following reasons. If the drawn yarn is subjected to basting processing as described above, the tassel will be sewn around the long fine-grained single filaments that have been stretched better than others, and the large-sized single filaments at the center. It will be done. At this time, all the single filaments in the yarn are twisted together in a covering shape, not in a close-packed part, and are subjected to false twisting, so the cross section of the thick single filament is similar to that of normal false twisting. It does not become a close-packed hexagon or pentagon; Due to the synergistic effect with the low (Xc), it becomes flat. Furthermore, since the single filaments of the yarn of the present invention migrate from the outside to the center of the yarn, it is easy to cause displacement between the single filament layers, and the so-called AW 1111 movement is also a part of the flattening effect. Cause: Stopped in '75.

Next, an example of the manufacturing process of the C main light yarn will be explained using FIG. In Fig. 5, the thread (F) drawn out from the supply system spout/1 (1) is sent in a relaxed state to the hollow heater (3) by the feed roller (2).
It is pulled out by the first delivery roller (a), and then the first
Delivery roller (4) and second delivery roller (5)
It is stretched between.

Next, a false twist crimp process is performed by a false twist heater (6) and a false twist spindle (7) between the second delivery roller (5) and the sixth delivery roller (8), and the wind den row is finished. At (9), the package is rolled up (11).

The yarn of the present invention has a 111'i structure as described above.

It has a crispy taste, firmness, firmness, and soft feel. What's more, when you take a person who has a natural appearance with thick #1 spots and turn him into an object,
``It is capable of giving a faint, faint effect.

The present invention will be specifically explained below using two examples.

Example 1 ii obtained by high-speed spinning from a regular eyelet with circular holes
fl + refractive index (△n) is 54.6X10'l Crystallization &
(XC) is 9.7% (density 1.3456 Q/d)
, 2SOd/48f Boriesde ρ with cutting elongation of 11596
The undrawn yarn was subjected to relaxation heat treatment, stretching, and false twisting under the following conditions according to the manufacturing process shown in FIG. 5 to obtain a yarn of the present invention.

Relaxation heat treatment conditions Feed roller surface speed 9 B (+IV
mJ, n) Surface speed of the first delivery roller 56 (
m/m1n) relaxation rate 85(
[Yes]) Temperature of hollow heater 155 (
℃）Stretching conditions? Surface speed of 1st delivery roller 53
(m/m1n) Surface speed of second delivery row
101J (m/m1n) stretching rate
1.8 [+7 (times) stretching temperature
Room temperature However, stretching ratio - speed of first delivery roller / 27th
-' Speed of the re-delivery roller 1 Counter-twisting processing conditions Surface speed of the second delivery roller 10t) (
n+/m1n) Surface speed of the sixth delivery roller
98 (+n/m1n)/I-1 Barfee I' rate 2 (%) Temperature of false twisting heater 1513 (℃) Number of rotations of false twisting spindle 18.0X10' (rpmJ number of false twists (direction) 1837 (Z)
(Tμs) Winding roller surface speed 9
5 (m/m1n) When the obtained yarn was photographed in cross section and measured, the thick #jl ratio of the zlt filament was 1 in the large fineness part - 1.5 in the W2B part, which was sufficient to exhibit the characteristics of different fineness. There were sufficient fineness irregularities. In addition, the cross section of the large fineness single fiftmen i near the core (/i4 flatness is 2.4 and the f/]6 flat yarn of the present invention yarn) was examined.Next, the yarn The value of C% of the entire row indicating good TIF is 1UΦ
When I squeezed the thread with my fingers, I felt a lumpy texture.

The threads obtained in the river are used in the warp and weft.
1"L 65 wood/inch, 2'1 (52 wood/inch) D-weave and finished dyeing using normal Boriesde/L/ dyeing recipe.

The fabric has a natural mottled appearance.

Tight, soft to the touch and +fA
'h r1't stiffness Ii"+ and [, 1 different large-scale flat threads / spear taste feeling t, t 'rt formation i1Q
Even if the slime 18 of i+h is completely gone, σI is (
-1) Tatsu

[Brief explanation of drawings]

? t'+ 11・Cth, 1, Great War l, an example of de invention small article
Cross section of the abdomen! Figure 2 is a sectional view of the fineness part of the yarn of the present invention. 1υI ui+l'! 1+ No. 4191 is a side view showing an example of the yarn of the present invention. FIG. 5 is a process diagram showing an example of the method of manufacturing 012 of the yarn of the present invention. (al: monofilament person, 114 degree part,
(bl: single filament
A): Thread person, 11 near 1′・, +τ1ζ(11
1: Yarn fil river J' section, (F'l: Yarn (1) Nisbourg (2) - Feed roller (3) - Hollow type heater (4): First delivery roller (5); 2 Delivery roller (0):
Ishaku twisting heater (7): False twisting spindle (8)
;6th Delivery Low Fu (9): 'Finding Roller Its: 4s1! Package #4 Yubo Monument Unitysu Kanji Tone L

Claims (1)

[Claims] (υThis is a false twisted crimped yarn of Bolier 7 Delmarz fiber having a thick and thin rtt in the longitudinal direction. .5 or more 1
-9 The 0% value indicating fineness unevenness of yarn is more than 5%)
And some single fibers 1 near the core of the yarn are 11! !
single-fu, f-fumen (with larger fineness and cross-sectional angle of 2)
A polynisdel special processed yarn characterized by the above characteristics.