CA1090964A - Production de fibres creuses de grande resistance en rayonne - Google Patents

Production de fibres creuses de grande resistance en rayonne

Info

Publication number: CA1090964A
Authority: CA; Canada
Prior art keywords: weight; per liter; viscose; grams per; hollow
Prior art date: 1976-06-11
Legal status (The legal status 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 status listed.): Expired

Application number

CA279,390A

Other languages

English (en)

Inventor

Eugene Costa, Jr.

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

International Paper Co

Original Assignee

International Paper Co

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.)

1976-06-11

Filing date

1977-05-30

Publication date

1980-12-09

1977-05-20 Priority claimed from US05/798,874 external-priority patent/US4130689A/en

1977-05-30 Application filed by International Paper Co filed Critical International Paper Co

1980-03-25 Priority to CA348,533A priority Critical patent/CA1090963A/fr

1980-12-09 Application granted granted Critical

1980-12-09 Publication of CA1090964A publication Critical patent/CA1090964A/fr

Status Expired legal-status Critical Current

Links

229920000297 Rayon Polymers 0.000 title claims abstract description 123
239000000835 fiber Substances 0.000 title claims abstract description 107
239000002964 rayon Substances 0.000 title claims abstract description 57
238000004519 manufacturing process Methods 0.000 title abstract description 8
238000000034 method Methods 0.000 claims abstract description 67
230000008569 process Effects 0.000 claims abstract description 57
230000001112 coagulating effect Effects 0.000 claims abstract description 22
238000001035 drying Methods 0.000 claims abstract description 20
239000004604 Blowing Agent Substances 0.000 claims abstract description 15
238000005406 washing Methods 0.000 claims abstract description 14
230000002427 irreversible effect Effects 0.000 claims abstract description 9
239000011260 aqueous acid Substances 0.000 claims abstract description 6
239000001913 cellulose Substances 0.000 claims description 41
229920002678 cellulose Polymers 0.000 claims description 38
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 33
NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 33
229910000368 zinc sulfate Inorganic materials 0.000 claims description 33
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 30
229960001763 zinc sulfate Drugs 0.000 claims description 30
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 25
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 17
229910000029 sodium carbonate Inorganic materials 0.000 claims description 17
229910052938 sodium sulfate Inorganic materials 0.000 claims description 17
235000011152 sodium sulphate Nutrition 0.000 claims description 17
QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 claims description 15
IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 15
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 12
230000002378 acidificating effect Effects 0.000 claims description 9
QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 claims description 8
229910000288 alkali metal carbonate Inorganic materials 0.000 claims description 7
150000008041 alkali metal carbonates Chemical class 0.000 claims description 7
150000003839 salts Chemical class 0.000 claims description 7
BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims description 6
229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 6
150000008044 alkali metal hydroxides Chemical class 0.000 claims description 6
239000011780 sodium chloride Substances 0.000 claims description 6
239000003513 alkali Substances 0.000 claims description 4
238000009987 spinning Methods 0.000 claims description 4
UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 3
235000017557 sodium bicarbonate Nutrition 0.000 claims description 2
229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 2
239000003607 modifier Substances 0.000 abstract description 17
239000002253 acid Substances 0.000 abstract description 11
230000000694 effects Effects 0.000 abstract description 7
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 51
235000010980 cellulose Nutrition 0.000 description 31
229920001807 Urea-formaldehyde Polymers 0.000 description 26
ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 26
229960004279 formaldehyde Drugs 0.000 description 17
235000019256 formaldehyde Nutrition 0.000 description 17
239000000243 solution Substances 0.000 description 17
229920000742 Cotton Polymers 0.000 description 16
235000017550 sodium carbonate Nutrition 0.000 description 15
239000012510 hollow fiber Substances 0.000 description 14
229940001593 sodium carbonate Drugs 0.000 description 14
238000011282 treatment Methods 0.000 description 13
150000001299 aldehydes Chemical class 0.000 description 10
239000000203 mixture Substances 0.000 description 9
235000011149 sulphuric acid Nutrition 0.000 description 8
238000010521 absorption reaction Methods 0.000 description 7
230000008901 benefit Effects 0.000 description 6
238000002474 experimental method Methods 0.000 description 6
239000004744 fabric Substances 0.000 description 6
239000001257 hydrogen Substances 0.000 description 6
229910052739 hydrogen Inorganic materials 0.000 description 6
-1 polyoxyethylene Polymers 0.000 description 6
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 5
239000011701 zinc Substances 0.000 description 5
229910052725 zinc Inorganic materials 0.000 description 5
HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 4
230000001143 conditioned effect Effects 0.000 description 4
238000012360 testing method Methods 0.000 description 4
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
229940106135 cellulose Drugs 0.000 description 3
239000003795 chemical substances by application Substances 0.000 description 3
239000000123 paper Substances 0.000 description 3
230000004044 response Effects 0.000 description 3
230000005070 ripening Effects 0.000 description 3
238000004804 winding Methods 0.000 description 3
239000011686 zinc sulphate Substances 0.000 description 3
235000009529 zinc sulphate Nutrition 0.000 description 3
241001589086 Bellapiscis medius Species 0.000 description 2
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
206010013786 Dry skin Diseases 0.000 description 2
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
239000007832 Na2SO4 Substances 0.000 description 2
239000002202 Polyethylene glycol Substances 0.000 description 2
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
230000009471 action Effects 0.000 description 2
150000003934 aromatic aldehydes Chemical class 0.000 description 2
239000004202 carbamide Substances 0.000 description 2
238000009960 carding Methods 0.000 description 2
238000005345 coagulation Methods 0.000 description 2
230000015271 coagulation Effects 0.000 description 2
230000000052 comparative effect Effects 0.000 description 2
239000012141 concentrate Substances 0.000 description 2
238000002425 crystallisation Methods 0.000 description 2
230000008025 crystallization Effects 0.000 description 2
238000000502 dialysis Methods 0.000 description 2
230000014509 gene expression Effects 0.000 description 2
239000011121 hardwood Substances 0.000 description 2
125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
238000009413 insulation Methods 0.000 description 2
239000002655 kraft paper Substances 0.000 description 2
239000004745 nonwoven fabric Substances 0.000 description 2
QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 2
230000000704 physical effect Effects 0.000 description 2
229920001223 polyethylene glycol Polymers 0.000 description 2
238000006116 polymerization reaction Methods 0.000 description 2
BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
238000002360 preparation method Methods 0.000 description 2
230000008929 regeneration Effects 0.000 description 2
238000011069 regeneration method Methods 0.000 description 2
238000000611 regression analysis Methods 0.000 description 2
239000000126 substance Substances 0.000 description 2
QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 1
IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical class CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 1
QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical class Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
JWOLLWQJKQOEOL-UHFFFAOYSA-N OOOOOOOOOOOOO Chemical compound OOOOOOOOOOOOO JWOLLWQJKQOEOL-UHFFFAOYSA-N 0.000 description 1
FYKAKDPHDGCKTF-UHFFFAOYSA-N OOOOOOOOOOOOOOOOOOO Chemical compound OOOOOOOOOOOOOOOOOOO FYKAKDPHDGCKTF-UHFFFAOYSA-N 0.000 description 1
UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000000996 additive effect Effects 0.000 description 1
125000001931 aliphatic group Chemical group 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
239000012298 atmosphere Substances 0.000 description 1
238000007664 blowing Methods 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
229910002092 carbon dioxide Inorganic materials 0.000 description 1
229920002301 cellulose acetate Polymers 0.000 description 1
239000000701 coagulant Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
230000002844 continuous effect Effects 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
229930003836 cresol Natural products 0.000 description 1
238000004132 cross linking Methods 0.000 description 1
MLUCVPSAIODCQM-NSCUHMNNSA-N crotonaldehyde Chemical compound C\C=C\C=O MLUCVPSAIODCQM-NSCUHMNNSA-N 0.000 description 1
MLUCVPSAIODCQM-UHFFFAOYSA-N crotonaldehyde Natural products CC=CC=O MLUCVPSAIODCQM-UHFFFAOYSA-N 0.000 description 1
230000003111 delayed effect Effects 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 1
238000001125 extrusion Methods 0.000 description 1
239000007789 gas Substances 0.000 description 1
235000011167 hydrochloric acid Nutrition 0.000 description 1
125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
238000007654 immersion Methods 0.000 description 1
230000001771 impaired effect Effects 0.000 description 1
150000003951 lactams Chemical class 0.000 description 1
238000004900 laundering Methods 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
239000000463 material Substances 0.000 description 1
238000005259 measurement Methods 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
SQYNKIJPMDEDEG-UHFFFAOYSA-N paraldehyde Chemical compound CC1OC(C)OC(C)O1 SQYNKIJPMDEDEG-UHFFFAOYSA-N 0.000 description 1
229960003868 paraldehyde Drugs 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
235000015497 potassium bicarbonate Nutrition 0.000 description 1
229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
239000011736 potassium bicarbonate Substances 0.000 description 1
229910000027 potassium carbonate Inorganic materials 0.000 description 1
235000011181 potassium carbonates Nutrition 0.000 description 1
TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
238000012545 processing Methods 0.000 description 1
238000011160 research Methods 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000002904 solvent Substances 0.000 description 1
239000004753 textile Substances 0.000 description 1
239000012991 xanthate Substances 0.000 description 1

Classifications

- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
- D01F2/08—Composition of the spinning solution or the bath
- D01F2/20—Composition of the spinning solution or the bath for the manufacture of hollow threads

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Textile Engineering (AREA)
Artificial Filaments (AREA)
Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

CA279,390A 1976-06-11 1977-05-30 Production de fibres creuses de grande resistance en rayonne Expired CA1090964A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA348,533A CA1090963A (fr)	1976-06-11	1980-03-25	Procede de fabrication de fibres creuses en rayonne de grande resistance

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US69491876A	1976-06-11	1976-06-11
US694,918		1976-06-11
US798,874		1977-05-20
US05/798,874 US4130689A (en)	1976-06-11	1977-05-20	Production of high strength hollow rayon fibers

Publications (1)

Publication Number	Publication Date
CA1090964A true CA1090964A (fr)	1980-12-09

Family

ID=27105465

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA279,390A Expired CA1090964A (fr)	1976-06-11	1977-05-30	Production de fibres creuses de grande resistance en rayonne

Country Status (7)

Country	Link
JP (1)	JPS52152512A (fr)
AT (1)	ATA412077A (fr)
CA (1)	CA1090964A (fr)
DE (1)	DE2725865A1 (fr)
FR (1)	FR2354400A1 (fr)
GB (1)	GB1586192A (fr)
PL (1)	PL198785A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2476293A (en) *	1944-10-03	1949-07-19	American Viscose Corp	Artificial fiber
US2780512A (en) *	1953-04-22	1957-02-05	Inoshita Kagenobu	Processes for producing hollow filaments of regenerated cellulose
US2835551A (en) *	1955-04-09	1958-05-20	Toyo Rayon Co Ltd	Process for producing hollow viscose filaments
US3204017A (en) *	1962-06-19	1965-08-31	Toho Rayon Kk	Process for the manufacture of bulky fibrous wadding materials
GB1086496A (en) *	1963-10-28	1967-10-11	Kurashiki Rayon Kk	Process for the manufacture of flat and hollow rayon fibre suitable for the manufacture of glossy paper
GB1283529A (en) *	1968-12-20	1972-07-26	Courtaulds Ltd	Process for making tubular filaments of regenerated cellulose

1977
- 1977-05-30 CA CA279,390A patent/CA1090964A/fr not_active Expired
- 1977-06-08 DE DE19772725865 patent/DE2725865A1/de not_active Withdrawn
- 1977-06-09 GB GB2412277A patent/GB1586192A/en not_active Expired
- 1977-06-10 AT AT412077A patent/ATA412077A/de not_active IP Right Cessation
- 1977-06-10 FR FR7717930A patent/FR2354400A1/fr not_active Withdrawn
- 1977-06-11 PL PL19878577A patent/PL198785A1/xx unknown
- 1977-06-11 JP JP6936277A patent/JPS52152512A/ja active Pending

Also Published As

Publication number	Publication date
DE2725865A1 (de)	1977-12-22
JPS52152512A (en)	1977-12-19
PL198785A1 (pl)	1978-04-10
ATA412077A (de)	1979-03-15
FR2354400A1 (fr)	1978-01-06
GB1586192A (en)	1981-03-18

Legal Events

Date	Code	Title	Description
1997-12-09	MKEX	Expiry

Publication	Publication Date	Title
US4130689A (en)	1978-12-19	Production of high strength hollow rayon fibers
GB685631A (en)	1953-01-07	Improvements in or relating to the spinning of viscose
US3720743A (en)	1973-03-13	Process for producing high performance crimped rayon staple fiber
US4242411A (en)	1980-12-30	High crimp, high strength, hollow rayon fibers
CA1090964A (fr)	1980-12-09	Production de fibres creuses de grande resistance en rayonne
US3434913A (en)	1969-03-25	Viscose rayon fiber and method of making same
CA1090963A (fr)	1980-12-09	Procede de fabrication de fibres creuses en rayonne de grande resistance
US4182735A (en)	1980-01-08	Production of high crimp, high strength, hollow rayon fibers
US2841462A (en)	1958-07-01	Production of all skin rayon
WO2020165363A1 (fr)	2020-08-20	Fibre teinte dans la masse et procédé pour sa fabrication
US3494996A (en)	1970-02-10	Method for producing high tenacity rayon
US3126435A (en)	1964-03-24	Production of regenerated cellulose
US3083075A (en)	1963-03-26	Process of manufacturing regenerated cellulose fiber
US4245000A (en)	1981-01-13	Viscose rayon
US2439039A (en)	1948-04-06	Process of producing medullated artificial filaments
JPH0931744A (ja)	1997-02-04	人造セルロース繊維
US3713964A (en)	1973-01-30	Method for producing highly crimped viscose rayon
US3011861A (en)	1961-12-05	Wet spinning polyvinyl alcohol process
US3182107A (en)	1965-05-04	Method of producing all-skin viscose rayon
GB2047615A (en)	1980-12-03	Preparing regenerated cellulose formed bodies from solutions of cellulose derivatives in organic solvents
US3364290A (en)	1968-01-16	High tenacity rayon yarn production
USRE26613E (en)	1969-06-24	Search room
US3112158A (en)	1963-11-26	Method of producing shaped bodies of regenerated cellulose from viscose and spinning solution and bath therefor
CA1160413A (fr)	1984-01-17	Production de fibre de rayonne extra-solides
JP2960755B2 (ja)	1999-10-12	ポリエステル繊維の製造法