JP3022597B2 - 等方性ポリマー溶液から繊度がデニール以下の繊維を製造する方法及びパルプ状短繊維 - Google Patents
等方性ポリマー溶液から繊度がデニール以下の繊維を製造する方法及びパルプ状短繊維Info
- Publication number
- JP3022597B2 JP3022597B2 JP3512470A JP51247091A JP3022597B2 JP 3022597 B2 JP3022597 B2 JP 3022597B2 JP 3512470 A JP3512470 A JP 3512470A JP 51247091 A JP51247091 A JP 51247091A JP 3022597 B2 JP3022597 B2 JP 3022597B2
- Authority
- JP
- Japan
- Prior art keywords
- fibers
- pulp
- solution
- denier
- opening
- Prior art date
- 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 - Fee Related
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 132
- 229920000642 polymer Polymers 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000001112 coagulating effect Effects 0.000 claims abstract description 15
- 239000012530 fluid Substances 0.000 claims abstract description 15
- 239000012634 fragment Substances 0.000 claims abstract description 10
- 229920000889 poly(m-phenylene isophthalamide) Polymers 0.000 claims description 23
- 230000008569 process Effects 0.000 abstract description 5
- 238000009987 spinning Methods 0.000 description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 16
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 15
- 239000000047 product Substances 0.000 description 15
- 239000002904 solvent Substances 0.000 description 14
- 239000007789 gas Substances 0.000 description 12
- 239000000203 mixture Substances 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 239000008399 tap water Substances 0.000 description 8
- 235000020679 tap water Nutrition 0.000 description 8
- 239000007921 spray Substances 0.000 description 7
- 230000015271 coagulation Effects 0.000 description 6
- 238000005345 coagulation Methods 0.000 description 6
- 229920001577 copolymer Polymers 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000002966 varnish Substances 0.000 description 4
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 244000144992 flock Species 0.000 description 3
- 229920003366 poly(p-phenylene terephthalamide) Polymers 0.000 description 3
- -1 polytetramethylene Polymers 0.000 description 3
- 229920001897 terpolymer Polymers 0.000 description 3
- SJIXRGNQPBQWMK-UHFFFAOYSA-N 2-(diethylamino)ethyl 2-methylprop-2-enoate Chemical compound CCN(CC)CCOC(=O)C(C)=C SJIXRGNQPBQWMK-UHFFFAOYSA-N 0.000 description 2
- ZBMISJGHVWNWTE-UHFFFAOYSA-N 3-(4-aminophenoxy)aniline Chemical compound C1=CC(N)=CC=C1OC1=CC=CC(N)=C1 ZBMISJGHVWNWTE-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920002239 polyacrylonitrile Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- DBKWISXILXVKEW-UHFFFAOYSA-N 1-methyl-3-(4-methylphenoxy)benzene Chemical compound C1=CC(C)=CC=C1OC1=CC=CC(C)=C1 DBKWISXILXVKEW-UHFFFAOYSA-N 0.000 description 1
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- HLBLWEWZXPIGSM-UHFFFAOYSA-N 4-Aminophenyl ether Chemical compound C1=CC(N)=CC=C1OC1=CC=C(N)C=C1 HLBLWEWZXPIGSM-UHFFFAOYSA-N 0.000 description 1
- XQMKYNYUUFUXLP-UHFFFAOYSA-N 7-[3-(7-oxoazepane-2-carbonyl)benzoyl]azepan-2-one Chemical compound C=1C=CC(C(=O)C2NC(=O)CCCC2)=CC=1C(=O)C1CCCCC(=O)N1 XQMKYNYUUFUXLP-UHFFFAOYSA-N 0.000 description 1
- MJBPUQUGJNAPAZ-AWEZNQCLSA-N Butin Natural products C1([C@@H]2CC(=O)C3=CC=C(C=C3O2)O)=CC=C(O)C(O)=C1 MJBPUQUGJNAPAZ-AWEZNQCLSA-N 0.000 description 1
- MJBPUQUGJNAPAZ-UHFFFAOYSA-N Butine Natural products O1C2=CC(O)=CC=C2C(=O)CC1C1=CC=C(O)C(O)=C1 MJBPUQUGJNAPAZ-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000005456 alcohol based solvent Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920005613 synthetic organic polymer Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000009816 wet lamination Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H13/00—Other non-woven fabrics
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/11—Flash-spinning
-
- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/18—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
-
- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
- D01F6/605—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides from aromatic polyamides
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/26—Polyamides; Polyimides
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- Artificial Filaments (AREA)
- Paper (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Laminated Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US55519490A | 1990-07-20 | 1990-07-20 | |
US555,194 | 1990-07-20 | ||
PCT/US1991/005000 WO1992001829A1 (en) | 1990-07-20 | 1991-07-19 | A process for preparing subdenier fibers, pulp-like short fibers, fibrids, rovings and mats from isotropic polymer solutions |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05508451A JPH05508451A (ja) | 1993-11-25 |
JP3022597B2 true JP3022597B2 (ja) | 2000-03-21 |
Family
ID=24216340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3512470A Expired - Fee Related JP3022597B2 (ja) | 1990-07-20 | 1991-07-19 | 等方性ポリマー溶液から繊度がデニール以下の繊維を製造する方法及びパルプ状短繊維 |
Country Status (9)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016199782A1 (ja) * | 2015-06-07 | 2016-12-15 | 株式会社大木工藝 | 繊維集合体製造方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6001303A (en) * | 1997-12-19 | 1999-12-14 | Kimberly-Clark Worldwide, Inc. | Process of making fibers |
WO2015066160A1 (en) * | 2013-10-30 | 2015-05-07 | E. I. Du Pont De Nemours And Company | Sheets and fibrids comprising a mixture of poly(m-phenylene isophthalamide) and copolymer made from (6)-amino-2-(p-aminophenyl)benzimidazole |
CN110088371B (zh) * | 2016-11-30 | 2022-10-04 | 帝人芳纶有限公司 | 适用于电子应用的芳族聚酰胺纸 |
KR102353324B1 (ko) * | 2020-12-24 | 2022-01-19 | 에너진(주) | 여과성을 향상시킨 정전필터의 제조장치 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2988782A (en) * | 1958-12-09 | 1961-06-20 | Du Pont | Process for producing fibrids by precipitation and violent agitation |
US3342921A (en) * | 1966-03-16 | 1967-09-19 | West Virginia Pulp & Paper Co | Process for producing fibrous filler having high wet end retention |
US4187143A (en) * | 1975-10-01 | 1980-02-05 | Basf Aktiengesellschaft | Manufacture of fibrids from poly(amide-imide) resins |
US4963298A (en) * | 1989-02-01 | 1990-10-16 | E. I. Du Pont De Nemours And Company | Process for preparing fiber, rovings and mats from lyotropic liquid crystalline polymers |
US5026456A (en) * | 1990-06-14 | 1991-06-25 | E. I. Du Pont De Nemours And Company | Aramid papers containing aramid paper pulp |
-
1991
- 1991-07-19 PL PL29765791A patent/PL297657A1/xx unknown
- 1991-07-19 CA CA002087727A patent/CA2087727A1/en not_active Abandoned
- 1991-07-19 WO PCT/US1991/005000 patent/WO1992001829A1/en active IP Right Grant
- 1991-07-19 KR KR1019930700164A patent/KR0178360B1/ko not_active Expired - Fee Related
- 1991-07-19 JP JP3512470A patent/JP3022597B2/ja not_active Expired - Fee Related
- 1991-07-19 AT AT91913576T patent/ATE162857T1/de not_active IP Right Cessation
- 1991-07-19 AU AU82321/91A patent/AU658827B2/en not_active Ceased
- 1991-07-19 EP EP91913576A patent/EP0540608B1/en not_active Expired - Lifetime
- 1991-07-19 DE DE69128834T patent/DE69128834T2/de not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016199782A1 (ja) * | 2015-06-07 | 2016-12-15 | 株式会社大木工藝 | 繊維集合体製造方法 |
Also Published As
Publication number | Publication date |
---|---|
KR0178360B1 (ko) | 1999-02-01 |
DE69128834D1 (de) | 1998-03-05 |
WO1992001829A1 (en) | 1992-02-06 |
AU8232191A (en) | 1992-02-18 |
CA2087727A1 (en) | 1992-01-21 |
PL297657A1 (enrdf_load_stackoverflow) | 1992-07-13 |
DE69128834T2 (de) | 1998-09-10 |
JPH05508451A (ja) | 1993-11-25 |
EP0540608B1 (en) | 1998-01-28 |
ATE162857T1 (de) | 1998-02-15 |
AU658827B2 (en) | 1995-05-04 |
EP0540608A1 (en) | 1993-05-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5296286A (en) | Process for preparing subdenier fibers, pulp-like short fibers, fibrids, rovings and mats from isotropic polymer solutions | |
JP2897136B2 (ja) | リオトロピック液晶ポリマーからサブデニール繊維を製造する方法 | |
EP1457591B1 (en) | Polyvinyl alcohol fibers, and nonwoven fabric comprising them | |
CN1076405C (zh) | 制造高强度芳族聚酰胺纤维的方法 | |
FR2843975A1 (fr) | Fibres et fibrides, leur procede d'obtention, articles obtenus a partir de ces fibres et/ou fibrides. | |
JP3022597B2 (ja) | 等方性ポリマー溶液から繊度がデニール以下の繊維を製造する方法及びパルプ状短繊維 | |
Yu et al. | Preparation and characterization of PMIA nanofiber filter membrane for air filter | |
JP7241279B2 (ja) | 芯鞘型複合繊維、その製造方法、およびそれを含む繊維集合物 | |
JP2797482B2 (ja) | 均繊度の良好な不織布 | |
KR102351348B1 (ko) | 폴리(m-페닐렌 아이소프탈아미드) 및 (6)-아미노-2-(p-아미노페닐)벤즈이미다졸로부터 제조된 공중합체의 혼합물을 포함하는 시트 및 피브리드 | |
US5707580A (en) | Flash-spinning process | |
CN113668089B (zh) | 一种芳香族聚酰胺膜状沉析纤维的制备方法 | |
CA2102568C (en) | Strong discontinuous polyethylene fibres | |
KR102181615B1 (ko) | 폴리이미드와 폴리아크릴로니트릴을 주성분으로 하는 피브릴화가 용이한 2성분 복합섬유 및 그 제조방법 | |
JP2020190057A (ja) | 不織布、不織布の積層体、及びそれらを含むフィルター | |
US20230110639A1 (en) | Nonwoven sheet material comprising a substrate and fibril covering | |
CN105986506B (zh) | 可用于电器绝缘的纸材、其制备方法及用途 | |
JP6814666B2 (ja) | 炭素繊維不織布 | |
JP2005042235A (ja) | 耐熱性不織布 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090114 Year of fee payment: 9 |
|
LAPS | Cancellation because of no payment of annual fees |