PT72072B - Process for the preparation of cross-sectionally stable hygroscopic fibers and filaments having a core-jacket structure - Google Patents

Process for the preparation of cross-sectionally stable hygroscopic fibers and filaments having a core-jacket structure

Info

Publication number
PT72072B
PT72072B PT72072A PT7207280A PT72072B PT 72072 B PT72072 B PT 72072B PT 72072 A PT72072 A PT 72072A PT 7207280 A PT7207280 A PT 7207280A PT 72072 B PT72072 B PT 72072B
Authority
PT
Portugal
Prior art keywords
solvent
spinning
filaments
polymer
core
Prior art date
Application number
PT72072A
Other languages
English (en)
Other versions
PT72072A (en
Original Assignee
Bayer Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6087029&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PT72072(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of PT72072A publication Critical patent/PT72072A/pt
Publication of PT72072B publication Critical patent/PT72072B/pt

Links

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
    • 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
    • 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
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • D01D5/247—Discontinuous hollow structure or microporous structure
    • 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
    • D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
    • D01D5/30—Conjugate filaments; Spinnerette packs therefor
    • D01D5/34—Core-skin structure; Spinnerette packs therefor
    • 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
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/08—Addition of substances to the spinning solution or to the melt for forming hollow filaments
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2973—Particular cross section
    • Y10T428/2975—Tubular or cellular
PT72072A 1979-11-28 1980-11-18 Process for the preparation of cross-sectionally stable hygroscopic fibers and filaments having a core-jacket structure PT72072B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792947824 DE2947824A1 (de) 1979-11-28 1979-11-28 Querschnittsstabile, hygroskopische kern/mantelstruktur aufweisende fasern und faeden und verfahren zu deren herstellung

Publications (2)

Publication Number Publication Date
PT72072A PT72072A (en) 1980-12-01
PT72072B true PT72072B (en) 1981-09-29

Family

ID=6087029

Family Applications (1)

Application Number Title Priority Date Filing Date
PT72072A PT72072B (en) 1979-11-28 1980-11-18 Process for the preparation of cross-sectionally stable hygroscopic fibers and filaments having a core-jacket structure

Country Status (11)

Country Link
US (1) US4438060A (pt)
EP (1) EP0029949B1 (pt)
JP (1) JPS5685418A (pt)
AT (1) ATE6275T1 (pt)
BR (1) BR8007730A (pt)
CA (1) CA1163071A (pt)
DD (1) DD154720A5 (pt)
DE (2) DE2947824A1 (pt)
ES (1) ES497194A0 (pt)
GR (1) GR73034B (pt)
PT (1) PT72072B (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE10215T1 (de) * 1980-11-24 1984-11-15 Akzo N.V. Gestaerktes multifilamentgarn aus aromatischem polyamid, garnpaket und webstoff sowie verfahren zur herstellung dieses garns.
DE60032945D1 (de) 1999-10-13 2007-02-22 Kaneka Corp Verwendung einer porösen acrylfaser, daraus hergestelltes gewebe und herstellungsverfahren
US8453653B2 (en) * 2007-12-20 2013-06-04 Philip Morris Usa Inc. Hollow/porous fibers and applications thereof

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1996753A (en) 1928-06-16 1935-04-09 Celanese Corp Artificial yarn and method of preparing the same
GB312203A (en) 1930-04-15 1929-05-21 Henry Dreyfus Improvements in or relating to the manufacture of artificial products by dry-spinning processes
GB392160A (en) 1931-11-05 1933-05-05 Henry Dreyfus Improvements in or relating to the manufacture or treatment of artificial filaments,threads, ribbons, yarns, fabrics and the like
US2073414A (en) 1933-07-01 1937-03-09 Dosne Henry Process for manufacturing colored cellulose-ester material
US2376934A (en) 1942-12-05 1945-05-29 Du Pont Dry spun and dry cast structures of synthetic materials
BE528051A (pt) 1953-06-25
US3110548A (en) 1960-11-30 1963-11-12 Kurashiki Rayon Co Shaped articles of mixed polymers and method of manufacturing them
US3410819A (en) 1963-06-28 1968-11-12 American Cyanamid Co Addition of insoluble additives to fibers during manufacture
CA960824A (en) 1969-12-20 1975-01-14 American Cyanamid Company Wet-spinning polymer solution containing dispersion of solid in insoluble liquid
US4012459A (en) 1973-08-15 1977-03-15 American Cyanamid Company Acrylic fiber of improved properties
JPS568645B2 (pt) 1974-09-05 1981-02-25
JPS51119069A (en) 1975-03-20 1976-10-19 Nippon Oil Co Ltd Method of producing permeable film
DE2719019A1 (de) * 1977-04-28 1978-11-02 Bayer Ag Hydrophile faeden und fasern
DE2554124C3 (de) * 1975-12-02 1986-07-10 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von hydrophilen Fasern und Fäden aus Acrylnitrilpolymerisaten
DE2607071C2 (de) 1976-02-21 1985-09-19 Bayer Ag, 5090 Leverkusen Synthesefasern und -fäden mit hoher Feuchtigkeitsaufnahme und großem Wasserrückhaltevermögen
DE2607996A1 (de) * 1976-02-27 1977-09-01 Bayer Ag Hydrophile fasern und faeden aus synthetischen polymeren
DE2609829A1 (de) 1976-03-10 1977-09-15 Bayer Ag Verfahren zur herstellung von hydrophilen fasern und faeden aus synthetischen polymeren
DE2611193A1 (de) 1976-03-17 1977-09-29 Bayer Ag Verfahren zur herstellung von hydrophilen fasern und faeden aus synthetischen polymeren
JPS5939460B2 (ja) 1976-12-10 1984-09-22 日石三菱株式会社 多孔膜の製法
DE2657144C2 (de) 1976-12-16 1982-12-02 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung hydrophiler Fasern
DE2713456C2 (de) * 1977-03-26 1990-05-31 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von hydrophilen Fasern
DE2706032A1 (de) * 1977-02-12 1978-08-17 Bayer Ag Verfahren zur herstellung hydrophiler acrylfasern
DE2736065A1 (de) 1977-08-10 1979-02-22 Bayer Ag Verfahren zur herstellung von hydrophilen faeden und fasern nach dem trocken-duesen-nasspinnverfahren
AT351661B (de) * 1978-01-05 1979-08-10 Chemiefaser Lenzing Ag Verfahren zur herstellung von hydrophilen faeden oder fasern aus einem acryl- nitrilhomo- oder acrylnitrilmischpolymerisat
JPS5818444B2 (ja) 1978-01-19 1983-04-13 東レ株式会社 改良された吸水性を有する微多孔質アクリル系繊維
US4185038A (en) 1978-07-14 1980-01-22 Conoco, Inc. Hydroformylation catalysts containing rhodium (I) or iridium (I) chemically bound directly to inorganic polymers

Also Published As

Publication number Publication date
ATE6275T1 (de) 1984-03-15
EP0029949B1 (de) 1984-02-15
CA1163071A (en) 1984-03-06
BR8007730A (pt) 1981-06-09
DD154720A5 (de) 1982-04-14
ES8107337A1 (es) 1981-10-01
DE3066642D1 (en) 1984-03-22
EP0029949A1 (de) 1981-06-10
GR73034B (pt) 1984-01-26
US4438060A (en) 1984-03-20
ES497194A0 (es) 1981-10-01
JPS6214643B2 (pt) 1987-04-03
PT72072A (en) 1980-12-01
DE2947824A1 (de) 1981-07-23
JPS5685418A (en) 1981-07-11

Similar Documents

Publication Publication Date Title
GB1532668A (en) Hygroscopic fibres and filaments of synthetic polymers
ES516784A0 (es) "procedimiento para la obtencion de fibras huecas de quitosano".
CA1097865A (en) Day-spinning polyacrylonitrile containing carboxyl groups for improved moisture absorption
IE44622L (en) Wet-spinning hydrophilic filaments
IE36868B1 (en) Non-inflammable polyamide-imide yarns and fibres
PT72072B (en) Process for the preparation of cross-sectionally stable hygroscopic fibers and filaments having a core-jacket structure
IE782258L (en) Acrylonitrile polymer fibre
CA1097868A (en) Hygroscopic filaments and fibers
US4356134A (en) Process for the production of hydrophilic fibres and filaments of synthetic polymers
US4810448A (en) Processes for the production of dry-spun polyacrylonitrile profiled fibres and filaments
KR830004463A (ko) 심피구조를 갖는 흡수성 섬유와 필라멘트의 제조방법
GB1532770A (en) Hydrophilic fibres and filaments of synthetic polymers
US4185058A (en) Process for spinning hydrophilic acrylic fibers with improved coloring response to dyes
JPS55116811A (en) Production of moisture-absorbing synthetic fiber
IE44525L (en) Hydrophilic filaments
KR840001632B1 (ko) 폴리피로리돈섬유의 습식방사 방법
JPS57106717A (en) Porous synthetic vinyl fiber having water and moisture absorbing property
CA1069264A (en) Manufacture of fibrids of polyolefins
JPS5685414A (en) Wet molding method for molded cellulose acetate article
SU444839A1 (ru) Способ получени волокон из сополимеров акрилонитрила
JPS56118910A (en) Water absorbing acrylonitrile fiber
GB1225573A (pt)
Suvorova et al. Effect of precipitation conditions on phase equilibrium and the structure of polyacrylonitrile isolated from solutions
GB1527211A (en) Multi-component filaments
FR2015503A1 (en) Filaments prepared by wet spinning syndiotactic pvc