DE2609829C2 - Verfahren zur Herstellung von hydrophilen Fasern und Fäden aus synthetischen Polymeren - Google Patents
Verfahren zur Herstellung von hydrophilen Fasern und Fäden aus synthetischen PolymerenInfo
- Publication number
- DE2609829C2 DE2609829C2 DE2609829A DE2609829A DE2609829C2 DE 2609829 C2 DE2609829 C2 DE 2609829C2 DE 2609829 A DE2609829 A DE 2609829A DE 2609829 A DE2609829 A DE 2609829A DE 2609829 C2 DE2609829 C2 DE 2609829C2
- Authority
- DE
- Germany
- Prior art keywords
- spinning
- solvent
- fibers
- weight
- polymer
- 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
Links
- 238000000034 method Methods 0.000 title claims description 24
- 238000004519 manufacturing process Methods 0.000 title description 3
- 229920001059 synthetic polymer Polymers 0.000 title description 2
- 238000009987 spinning Methods 0.000 claims description 34
- 239000000126 substance Substances 0.000 claims description 29
- 239000002904 solvent Substances 0.000 claims description 28
- 229920000642 polymer Polymers 0.000 claims description 19
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 238000000578 dry spinning Methods 0.000 claims description 10
- 238000009835 boiling Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 8
- 238000002166 wet spinning Methods 0.000 claims description 8
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 claims description 6
- 239000005695 Ammonium acetate Substances 0.000 claims description 6
- 235000019257 ammonium acetate Nutrition 0.000 claims description 6
- 229940043376 ammonium acetate Drugs 0.000 claims description 6
- 239000011258 core-shell material Substances 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical group C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 3
- 239000000835 fiber Substances 0.000 description 41
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 20
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 17
- 239000000203 mixture Substances 0.000 description 12
- 238000010521 absorption reaction Methods 0.000 description 11
- 239000000243 solution Substances 0.000 description 11
- 235000011187 glycerol Nutrition 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229920000742 Cotton Polymers 0.000 description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N anhydrous diethylene glycol Natural products OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000007792 addition Methods 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 229920002972 Acrylic fiber Polymers 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- -1 aldehyde compounds Chemical class 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 150000003926 acrylamides Chemical class 0.000 description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- ZUHZGEOKBKGPSW-UHFFFAOYSA-N tetraglyme Chemical compound COCCOCCOCCOCCOC ZUHZGEOKBKGPSW-UHFFFAOYSA-N 0.000 description 2
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 1
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- OVOUKWFJRHALDD-UHFFFAOYSA-N 2-[2-(2-acetyloxyethoxy)ethoxy]ethyl acetate Chemical compound CC(=O)OCCOCCOCCOC(C)=O OVOUKWFJRHALDD-UHFFFAOYSA-N 0.000 description 1
- LCZVSXRMYJUNFX-UHFFFAOYSA-N 2-[2-(2-hydroxypropoxy)propoxy]propan-1-ol Chemical compound CC(O)COC(C)COC(C)CO LCZVSXRMYJUNFX-UHFFFAOYSA-N 0.000 description 1
- NQBXSWAWVZHKBZ-UHFFFAOYSA-N 2-butoxyethyl acetate Chemical compound CCCCOCCOC(C)=O NQBXSWAWVZHKBZ-UHFFFAOYSA-N 0.000 description 1
- CFYUBZHJDXXXQE-UHFFFAOYSA-N 2-ethylcyclohexan-1-ol Chemical compound CCC1CCCCC1O CFYUBZHJDXXXQE-UHFFFAOYSA-N 0.000 description 1
- HXDLWJWIAHWIKI-UHFFFAOYSA-N 2-hydroxyethyl acetate Chemical class CC(=O)OCCO HXDLWJWIAHWIKI-UHFFFAOYSA-N 0.000 description 1
- XEEYSDHEOQHCDA-UHFFFAOYSA-N 2-methylprop-2-ene-1-sulfonic acid Chemical compound CC(=C)CS(O)(=O)=O XEEYSDHEOQHCDA-UHFFFAOYSA-N 0.000 description 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- CNCOEDDPFOAUMB-UHFFFAOYSA-N N-Methylolacrylamide Chemical compound OCNC(=O)C=C CNCOEDDPFOAUMB-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- UWHCKJMYHZGTIT-UHFFFAOYSA-N Tetraethylene glycol, Natural products OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- ZETCGWYACBNPIH-UHFFFAOYSA-N azane;sulfurous acid Chemical compound N.OS(O)=O ZETCGWYACBNPIH-UHFFFAOYSA-N 0.000 description 1
- FDQSRULYDNDXQB-UHFFFAOYSA-N benzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1 FDQSRULYDNDXQB-UHFFFAOYSA-N 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 239000001045 blue dye Substances 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000004508 fractional distillation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229940018564 m-phenylenediamine Drugs 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- DNTMQTKDNSEIFO-UHFFFAOYSA-N n-(hydroxymethyl)-2-methylprop-2-enamide Chemical compound CC(=C)C(=O)NCO DNTMQTKDNSEIFO-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002916 oxazoles Chemical class 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920002480 polybenzimidazole Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- SZHIIIPPJJXYRY-UHFFFAOYSA-M sodium;2-methylprop-2-ene-1-sulfonate Chemical compound [Na+].CC(=C)CS([O-])(=O)=O SZHIIIPPJJXYRY-UHFFFAOYSA-M 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 239000004291 sulphur dioxide Substances 0.000 description 1
- 235000010269 sulphur dioxide Nutrition 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 150000003557 thiazoles Chemical class 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 239000000080 wetting agent 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
- 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
- D01F1/10—Other agents for modifying properties
-
- 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
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/54—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of unsaturated nitriles
-
- 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
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2935—Discontinuous or tubular or cellular core
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2609829A DE2609829C2 (de) | 1976-03-10 | 1976-03-10 | Verfahren zur Herstellung von hydrophilen Fasern und Fäden aus synthetischen Polymeren |
GB9421/77A GB1540976A (en) | 1976-03-10 | 1977-03-07 | Process for the preparation of hydrophilic fibres and filaments from synthetic polymers |
NL7702434A NL7702434A (nl) | 1976-03-10 | 1977-03-07 | Werkwijze ter vervaardiging van hydrofiele vezels en draden uit synthetische polymeren. |
LU76905A LU76905A1 (US08142518-20120327-C00011.png) | 1976-03-10 | 1977-03-08 | |
CA273,498A CA1091410A (en) | 1976-03-10 | 1977-03-08 | Process for the preparation of hydrophilic fibres and filaments from synthetic polymers |
IT21054/77A IT1071346B (it) | 1976-03-10 | 1977-03-08 | Procedimento per la preparazione di fibre e fili idrofili da polimeri sintetici |
AT153877A AT353937B (de) | 1976-03-10 | 1977-03-08 | Verfahren zur herstellung von hydrophilen fasern und faeden aus synthetischen polymeren |
DD77197734A DD144574A5 (de) | 1976-03-10 | 1977-03-08 | Verfahren zur herstellung von hydrophilen synthesefasern und-faeden |
JP52024501A JPS607047B2 (ja) | 1976-03-10 | 1977-03-08 | 合成重合体から親水性の繊維類及びフイラメント類を製造する方法 |
US05/775,574 US4185059A (en) | 1976-03-10 | 1977-03-08 | Process for the preparation of hydrophilic fibres and filaments from synthetic polymers |
DK103477A DK103477A (da) | 1976-03-10 | 1977-03-09 | Fremgangsmade til fremstilling af hydrofile fibre og filamenter af syntetiske polymere |
BE175624A BE852262A (fr) | 1976-03-10 | 1977-03-09 | Procede de fabrication de fibres et de filaments hydrophiles a partir de polymeres synthetiques |
IE517/77A IE44525B1 (en) | 1976-03-10 | 1977-03-09 | Process for the preparation of hydrophilic fibres and filaments from synthetic polymers |
FR7707159A FR2343833A1 (fr) | 1976-03-10 | 1977-03-10 | Procede de fabrication de fibres et de filaments hydrophiles a partir de polymeres synthetiques |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2609829A DE2609829C2 (de) | 1976-03-10 | 1976-03-10 | Verfahren zur Herstellung von hydrophilen Fasern und Fäden aus synthetischen Polymeren |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2609829A1 DE2609829A1 (de) | 1977-09-15 |
DE2609829C2 true DE2609829C2 (de) | 1987-04-09 |
Family
ID=5971956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2609829A Expired DE2609829C2 (de) | 1976-03-10 | 1976-03-10 | Verfahren zur Herstellung von hydrophilen Fasern und Fäden aus synthetischen Polymeren |
Country Status (14)
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2752821C2 (de) * | 1977-11-26 | 1987-01-15 | Bayer Ag, 5090 Leverkusen | Hydrophile Acrylfasern niedriger Dichte |
DE2755341C2 (de) | 1977-12-12 | 1983-09-08 | Akzo Gmbh, 5600 Wuppertal | Hydrophile Polyesterfasern |
DE2900703A1 (de) * | 1979-01-10 | 1980-07-24 | Bayer Ag | Verfahren zur herstellung von hydrophilen polycarbonatfasern mit hoher einfriertemperatur |
DE2947824A1 (de) | 1979-11-28 | 1981-07-23 | Bayer Ag, 5090 Leverkusen | Querschnittsstabile, hygroskopische kern/mantelstruktur aufweisende fasern und faeden und verfahren zu deren herstellung |
US20100125963A1 (en) * | 2008-11-21 | 2010-05-27 | E. I. Du Pont De Nemours And Company | Monofilament comprising hydrophilic agent |
JP5407080B2 (ja) | 2009-03-31 | 2014-02-05 | ドンファ ユニバーシティー | 炭素繊維及びその原糸、プレ酸化繊維の製造方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2965437A (en) * | 1958-04-02 | 1960-12-20 | Du Pont | Process for wet spinning plasticized elastomeric polymers and subsequently removing the plasticizer |
NL274565A (US08142518-20120327-C00011.png) * | 1961-02-10 | |||
GB1044386A (en) * | 1962-08-18 | 1966-09-28 | Kurashiki Rayon Kk | Method of manufacturing flat tubular viscose fibres |
US3322611A (en) * | 1962-10-19 | 1967-05-30 | Du Pont | Porous fibers and processes of preparing same |
ES362855A1 (es) * | 1968-01-24 | 1971-02-16 | American Cyanamid Co | Procedimiento de produccion de una fibra acrilica provista de espacios vacios discontinuos. |
GB1283529A (en) * | 1968-12-20 | 1972-07-26 | Courtaulds Ltd | Process for making tubular filaments of regenerated cellulose |
FR2045934A1 (US08142518-20120327-C00011.png) * | 1969-06-09 | 1971-03-05 | Union Carbide Corp | |
BE735531A (en) * | 1969-07-02 | 1970-01-02 | Porous acrylic! fibre prodn. - using aq. spinning soln. of polymer contg. volatile component, pref. carbon tetra:chloride | |
CA960824A (en) * | 1969-12-20 | 1975-01-14 | American Cyanamid Company | Wet-spinning polymer solution containing dispersion of solid in insoluble liquid |
GB1345266A (en) * | 1970-05-15 | 1974-01-30 | Mitsubishi Rayon Co | Hygroscopic acrylic fibres and a process |
US3929946A (en) * | 1970-05-15 | 1975-12-30 | Mitsubishi Rayon Co | Process for producing hygroscopic acrylic fibers |
DE2112877B2 (de) * | 1971-03-17 | 1978-06-29 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Fäden und Fasern mit verbesserten Anschmutzeigenschaften aus faserbildendem Acrylnitril-Polymerisat oder -Copolymerisat |
JPS4715901U (US08142518-20120327-C00011.png) * | 1971-03-24 | 1972-10-24 | ||
JPS51210B2 (US08142518-20120327-C00011.png) * | 1972-04-10 | 1976-01-06 | ||
US3896204A (en) * | 1972-10-02 | 1975-07-22 | Du Pont | Melt-extrusion of acrylonitrile polymers into filaments |
US3975478A (en) * | 1974-08-14 | 1976-08-17 | Monsanto Company | Method for producing highly permeable acrylic hollow fibers |
US4035459A (en) * | 1975-05-01 | 1977-07-12 | Chemical Systems, Inc. | Process for spinning dry-fiber cellulose acetate hollow fiber membranes |
-
1976
- 1976-03-10 DE DE2609829A patent/DE2609829C2/de not_active Expired
-
1977
- 1977-03-07 GB GB9421/77A patent/GB1540976A/en not_active Expired
- 1977-03-07 NL NL7702434A patent/NL7702434A/xx not_active Application Discontinuation
- 1977-03-08 DD DD77197734A patent/DD144574A5/de unknown
- 1977-03-08 LU LU76905A patent/LU76905A1/xx unknown
- 1977-03-08 AT AT153877A patent/AT353937B/de not_active IP Right Cessation
- 1977-03-08 CA CA273,498A patent/CA1091410A/en not_active Expired
- 1977-03-08 IT IT21054/77A patent/IT1071346B/it active
- 1977-03-08 US US05/775,574 patent/US4185059A/en not_active Expired - Lifetime
- 1977-03-08 JP JP52024501A patent/JPS607047B2/ja not_active Expired
- 1977-03-09 IE IE517/77A patent/IE44525B1/en unknown
- 1977-03-09 BE BE175624A patent/BE852262A/xx unknown
- 1977-03-09 DK DK103477A patent/DK103477A/da unknown
- 1977-03-10 FR FR7707159A patent/FR2343833A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DD144574A5 (de) | 1980-10-22 |
AT353937B (de) | 1979-12-10 |
GB1540976A (en) | 1979-02-21 |
CA1091410A (en) | 1980-12-16 |
DK103477A (da) | 1977-09-11 |
IT1071346B (it) | 1985-04-02 |
BE852262A (fr) | 1977-09-09 |
FR2343833A1 (fr) | 1977-10-07 |
ATA153877A (de) | 1979-05-15 |
IE44525B1 (en) | 1981-12-30 |
US4185059A (en) | 1980-01-22 |
FR2343833B1 (US08142518-20120327-C00011.png) | 1983-02-18 |
IE44525L (en) | 1977-09-10 |
JPS607047B2 (ja) | 1985-02-22 |
NL7702434A (nl) | 1977-09-13 |
JPS52110924A (en) | 1977-09-17 |
DE2609829A1 (de) | 1977-09-15 |
LU76905A1 (US08142518-20120327-C00011.png) | 1977-09-26 |
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