NO823283L - Fibre og fremgangsmaate for deres fremstilling. - Google Patents

Fibre og fremgangsmaate for deres fremstilling.

Info

Publication number: NO823283L
Authority: NO; Norway
Prior art keywords: fibers; polymer; chitosan; solution; coagulant
Prior art date: 1981-10-08

Application number

NO823283A

Other languages

English (en)

Norwegian (no)

Inventor

Francesco Pittalis

Francesco Bartoli

Guido Giovannoni

Original Assignee

Anic Spa

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.)

1981-10-08

Filing date

1982-09-29

Publication date

1983-04-11

1982-09-29 Application filed by Anic Spa filed Critical Anic Spa

1983-04-11 Publication of NO823283L publication Critical patent/NO823283L/no

Links

239000000835 fiber Substances 0.000 title claims abstract description 59
238000000034 method Methods 0.000 title claims description 15
238000002360 preparation method Methods 0.000 title description 2
PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 29
229920001661 Chitosan Polymers 0.000 claims abstract description 24
229920000642 polymer Polymers 0.000 claims abstract description 16
239000000701 coagulant Substances 0.000 claims abstract description 11
239000003513 alkali Substances 0.000 claims abstract description 8
238000000108 ultra-filtration Methods 0.000 claims abstract description 6
239000002253 acid Substances 0.000 claims abstract description 4
238000002166 wet spinning Methods 0.000 claims abstract description 3
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 18
238000004519 manufacturing process Methods 0.000 claims description 8
BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 6
239000012510 hollow fiber Substances 0.000 claims description 5
238000009987 spinning Methods 0.000 claims description 5
OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 3
235000019253 formic acid Nutrition 0.000 claims description 3
239000007792 gaseous phase Substances 0.000 abstract description 3
235000011187 glycerol Nutrition 0.000 abstract 1
239000000243 solution Substances 0.000 description 26
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
239000012528 membrane Substances 0.000 description 7
239000000203 mixture Substances 0.000 description 7
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
229910021529 ammonia Inorganic materials 0.000 description 6
230000035699 permeability Effects 0.000 description 5
239000000126 substance Substances 0.000 description 5
230000015271 coagulation Effects 0.000 description 3
238000005345 coagulation Methods 0.000 description 3
238000001704 evaporation Methods 0.000 description 3
230000008020 evaporation Effects 0.000 description 3
239000007789 gas Substances 0.000 description 3
238000005259 measurement Methods 0.000 description 3
229910052757 nitrogen Inorganic materials 0.000 description 3
YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 2
229920002101 Chitin Polymers 0.000 description 2
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
229910000831 Steel Inorganic materials 0.000 description 2
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
DDRJAANPRJIHGJ-UHFFFAOYSA-N creatinine Chemical compound CN1CC(=O)NC1=N DDRJAANPRJIHGJ-UHFFFAOYSA-N 0.000 description 2
238000000502 dialysis Methods 0.000 description 2
238000001035 drying Methods 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
239000008246 gaseous mixture Substances 0.000 description 2
239000007788 liquid Substances 0.000 description 2
150000007522 mineralic acids Chemical class 0.000 description 2
150000007524 organic acids Chemical class 0.000 description 2
230000002572 peristaltic effect Effects 0.000 description 2
239000010959 steel Substances 0.000 description 2
HIQIXEFWDLTDED-UHFFFAOYSA-N 4-hydroxy-1-piperidin-4-ylpyrrolidin-2-one Chemical compound O=C1CC(O)CN1C1CCNCC1 HIQIXEFWDLTDED-UHFFFAOYSA-N 0.000 description 1
102000009027 Albumins Human genes 0.000 description 1
108010088751 Albumins Proteins 0.000 description 1
229920003043 Cellulose fiber Polymers 0.000 description 1
102000018832 Cytochromes Human genes 0.000 description 1
108010052832 Cytochromes Proteins 0.000 description 1
241000238557 Decapoda Species 0.000 description 1
206010015995 Eyelid ptosis Diseases 0.000 description 1
229920001202 Inulin Polymers 0.000 description 1
LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 1
TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 description 1
229930003779 Vitamin B12 Natural products 0.000 description 1
238000006640 acetylation reaction Methods 0.000 description 1
239000003929 acidic solution Substances 0.000 description 1
239000012670 alkaline solution Substances 0.000 description 1
125000003277 amino group Chemical group 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000004202 carbamide Substances 0.000 description 1
229920002678 cellulose Polymers 0.000 description 1
239000001913 cellulose Substances 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
AGVAZMGAQJOSFJ-WZHZPDAFSA-M cobalt(2+);[(2r,3s,4r,5s)-5-(5,6-dimethylbenzimidazol-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] [(2r)-1-[3-[(1r,2r,3r,4z,7s,9z,12s,13s,14z,17s,18s,19r)-2,13,18-tris(2-amino-2-oxoethyl)-7,12,17-tris(3-amino-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-2 Chemical compound [Co+2].N#[C-].[N-]([C@@H]1[C@H](CC(N)=O)[C@@]2(C)CCC(=O)NC[C@@H](C)OP(O)(=O)O[C@H]3[C@H]([C@H](O[C@@H]3CO)N3C4=CC(C)=C(C)C=C4N=C3)O)\C2=C(C)/C([C@H](C\2(C)C)CCC(N)=O)=N/C/2=C\C([C@H]([C@@]/2(CC(N)=O)C)CCC(N)=O)=N\C\2=C(C)/C2=N[C@]1(C)[C@@](C)(CC(N)=O)[C@@H]2CCC(N)=O AGVAZMGAQJOSFJ-WZHZPDAFSA-M 0.000 description 1
229940109239 creatinine Drugs 0.000 description 1
230000006196 deacetylation Effects 0.000 description 1
238000003381 deacetylation reaction Methods 0.000 description 1
238000010586 diagram Methods 0.000 description 1
239000012153 distilled water Substances 0.000 description 1
239000000945 filler Substances 0.000 description 1
125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
JYJIGFIDKWBXDU-MNNPPOADSA-N inulin Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)OC[C@]1(OC[C@]2(OC[C@]3(OC[C@]4(OC[C@]5(OC[C@]6(OC[C@]7(OC[C@]8(OC[C@]9(OC[C@]%10(OC[C@]%11(OC[C@]%12(OC[C@]%13(OC[C@]%14(OC[C@]%15(OC[C@]%16(OC[C@]%17(OC[C@]%18(OC[C@]%19(OC[C@]%20(OC[C@]%21(OC[C@]%22(OC[C@]%23(OC[C@]%24(OC[C@]%25(OC[C@]%26(OC[C@]%27(OC[C@]%28(OC[C@]%29(OC[C@]%30(OC[C@]%31(OC[C@]%32(OC[C@]%33(OC[C@]%34(OC[C@]%35(OC[C@]%36(O[C@@H]%37[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O%37)O)[C@H]([C@H](O)[C@@H](CO)O%36)O)[C@H]([C@H](O)[C@@H](CO)O%35)O)[C@H]([C@H](O)[C@@H](CO)O%34)O)[C@H]([C@H](O)[C@@H](CO)O%33)O)[C@H]([C@H](O)[C@@H](CO)O%32)O)[C@H]([C@H](O)[C@@H](CO)O%31)O)[C@H]([C@H](O)[C@@H](CO)O%30)O)[C@H]([C@H](O)[C@@H](CO)O%29)O)[C@H]([C@H](O)[C@@H](CO)O%28)O)[C@H]([C@H](O)[C@@H](CO)O%27)O)[C@H]([C@H](O)[C@@H](CO)O%26)O)[C@H]([C@H](O)[C@@H](CO)O%25)O)[C@H]([C@H](O)[C@@H](CO)O%24)O)[C@H]([C@H](O)[C@@H](CO)O%23)O)[C@H]([C@H](O)[C@@H](CO)O%22)O)[C@H]([C@H](O)[C@@H](CO)O%21)O)[C@H]([C@H](O)[C@@H](CO)O%20)O)[C@H]([C@H](O)[C@@H](CO)O%19)O)[C@H]([C@H](O)[C@@H](CO)O%18)O)[C@H]([C@H](O)[C@@H](CO)O%17)O)[C@H]([C@H](O)[C@@H](CO)O%16)O)[C@H]([C@H](O)[C@@H](CO)O%15)O)[C@H]([C@H](O)[C@@H](CO)O%14)O)[C@H]([C@H](O)[C@@H](CO)O%13)O)[C@H]([C@H](O)[C@@H](CO)O%12)O)[C@H]([C@H](O)[C@@H](CO)O%11)O)[C@H]([C@H](O)[C@@H](CO)O%10)O)[C@H]([C@H](O)[C@@H](CO)O9)O)[C@H]([C@H](O)[C@@H](CO)O8)O)[C@H]([C@H](O)[C@@H](CO)O7)O)[C@H]([C@H](O)[C@@H](CO)O6)O)[C@H]([C@H](O)[C@@H](CO)O5)O)[C@H]([C@H](O)[C@@H](CO)O4)O)[C@H]([C@H](O)[C@@H](CO)O3)O)[C@H]([C@H](O)[C@@H](CO)O2)O)[C@@H](O)[C@H](O)[C@@H](CO)O1 JYJIGFIDKWBXDU-MNNPPOADSA-N 0.000 description 1
229940029339 inulin Drugs 0.000 description 1
230000002427 irreversible effect Effects 0.000 description 1
210000003734 kidney Anatomy 0.000 description 1
239000000463 material Substances 0.000 description 1
239000012071 phase Substances 0.000 description 1
201000003004 ptosis Diseases 0.000 description 1
230000009257 reactivity Effects 0.000 description 1
239000012779 reinforcing material Substances 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
235000015170 shellfish Nutrition 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
238000003756 stirring Methods 0.000 description 1
229920001059 synthetic polymer Polymers 0.000 description 1
229940045136 urea Drugs 0.000 description 1
229940116269 uric acid Drugs 0.000 description 1
239000011715 vitamin B12 Substances 0.000 description 1
235000019163 vitamin B12 Nutrition 0.000 description 1
238000005406 washing Methods 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
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/08—Polysaccharides
- 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
- 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

Landscapes

Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Textile Engineering (AREA)
General Chemical & Material Sciences (AREA)
Mechanical Engineering (AREA)
Artificial Filaments (AREA)
Separation Using Semi-Permeable Membranes (AREA)
External Artificial Organs (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Treatment Of Liquids With Adsorbents In General (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

NO823283A 1981-10-08 1982-09-29 Fibre og fremgangsmaate for deres fremstilling. NO823283L (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT24398/81A IT1144925B (it)	1981-10-08	1981-10-08	Fibre cave di chitosano e procedimento per il loro ottenimento

Publications (1)

Publication Number	Publication Date
NO823283L true NO823283L (no)	1983-04-11

Family

ID=11213389

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO823283A NO823283L (no)	1981-10-08	1982-09-29	Fibre og fremgangsmaate for deres fremstilling.

Country Status (8)

Country	Link
US (1)	US4464321A (it)
EP (1)	EP0077098B1 (it)
JP (1)	JPS5875560A (it)
AT (1)	ATE18358T1 (it)
DE (1)	DE3269660D1 (it)
ES (1)	ES516784A0 (it)
IT (1)	IT1144925B (it)
NO (1)	NO823283L (it)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL8401912A (nl) *	1984-06-15	1986-01-02	Tno	Met aktieve stof beladen biodegradeerbare polymeersubstraten, geschikt voor het gecontroleerd afgeven van de aktieve stof door middel van een membraan.
SE443584B (sv) *	1985-03-07	1986-03-03	Gambro Dialysatoren	Sett att framstella en semipermeabel halfiber
US4861527A (en) *	1986-12-16	1989-08-29	Delucca George V	High strength chitosan fibers and fabrics thereof
US4833238A (en) *	1986-12-16	1989-05-23	E. I. Du Pont De Nemours And Company	High strength fibers from chitin derivatives
JPH02135134A (ja) *	1988-11-16	1990-05-24	Katokichi:Kk	水・アルコール混合液分離用膜
FI924408A0 (fi) *	1992-09-30	1992-09-30	Novasso Oy	Modifierade viskosfibrer och foerfarande foer dess framstaellning.
DE4303415C2 (de) *	1993-02-05	1997-05-28	Adolf Riedl	Emulsion enthaltend Chitosan
JP4859317B2 (ja) *	1999-08-06	2012-01-25	ボード・オブ・リージエンツ，ザ・ユニバーシテイ・オブ・テキサス・システム	薬剤放出生分解性繊維インプラント
US7033603B2 (en) *	1999-08-06	2006-04-25	Board Of Regents The University Of Texas	Drug releasing biodegradable fiber for delivery of therapeutics
FR2860007A1 (fr) *	2003-09-18	2005-03-25	Europlak	Procede de filage du chitosane, dispositif de mis en oeuvre de ce procede, fil de chitosane obtenu, et utilisation dudit fil
FR2920786B1 (fr) *	2007-09-07	2010-09-10	Univ Claude Bernard Lyon	Fibres creuses, notamment multi membranaires, leur procede de preparation par filage et dispositif pour la mise en oeuvre dudit procede
WO2009035414A1 (en) *	2007-09-10	2009-03-19	National University Of Singapore	Chitosan construct and method of preparing the same
US8034396B2 (en)	2008-04-01	2011-10-11	Tyco Healthcare Group Lp	Bioadhesive composition formed using click chemistry
FR2942242B1 (fr) *	2009-02-17	2011-06-03	Laboratoire Tetra Medical	Procede d'obtention d'un element longiforme de polysaccharide, notamment un fil de chitosane et fil de polysaccharide obtenu
WO2010095049A1 (en)	2009-02-21	2010-08-26	Sofradim Production	Crosslinked fibers and method of making same by extrusion
CA2753173C (en)	2009-02-21	2017-05-30	Sofradim Production	Medical devices with an activated coating
US8834763B2 (en)	2009-02-21	2014-09-16	Covidien Lp	Cross linked fibers and methods of making same using transition metal ions
US8877170B2 (en)	2009-02-21	2014-11-04	Sofradim Production	Medical device with inflammatory response-reducing coating
AU2010215936B2 (en)	2009-02-21	2015-03-05	Covidien Lp	Medical devices having activated surfaces
EP2398519A2 (en)	2009-02-21	2011-12-28	Sofradim Production	Compounds and medical devices activated with solvophobic linkers
EP2398845B1 (en)	2009-02-21	2017-12-13	Sofradim Production	Amphiphilic compounds and self-assembling compositions made therefrom
US9523159B2 (en)	2009-02-21	2016-12-20	Covidien Lp	Crosslinked fibers and method of making same using UV radiation
US8968733B2 (en)	2009-02-21	2015-03-03	Sofradim Production	Functionalized surgical adhesives
AU2010215204B2 (en)	2009-02-21	2014-12-18	Covidien Lp	Fibers with an activated surface and method of making same by extrusion
US9555154B2 (en)	2009-02-21	2017-01-31	Covidien Lp	Medical devices having activated surfaces
US8512728B2 (en)	2009-02-21	2013-08-20	Sofradim Production	Method of forming a medical device on biological tissue
WO2010095053A2 (en)	2009-02-21	2010-08-26	Sofradim Production	Apparatus and method of reaching polymers by exposure to uv radiation to produce injectable medical devices
EP2398583B1 (en)	2009-02-21	2020-12-23	Sofradim Production	Apparatus and method of reacting polymers passing through metal ion matrix to produce injectable medical devices
US8663689B2 (en)	2009-02-21	2014-03-04	Sofradim Production	Functionalized adhesive medical gel
US8535477B2 (en)	2009-02-21	2013-09-17	Sofradim Production	Medical devices incorporating functional adhesives
US9272074B2 (en) *	2010-03-25	2016-03-01	Sofradim Production	Surgical fasteners and methods for sealing wounds
CA2794335A1 (en)	2010-03-25	2011-09-29	Sofradim Production	Medical devices incorporating functional adhesives
AU2011276443A1 (en)	2010-06-29	2013-01-31	Covidien Lp	Microwave-powered reactor and method for in situ forming implants
CA2804251A1 (en)	2010-07-01	2012-01-05	Sofradim Production	Medical device with predefined activated cellular integration
WO2012014080A2 (en)	2010-07-27	2012-02-02	Sofradim Production	Polymeric fibers having tissue reactive members
CZ304651B6 (cs)	2012-05-11	2014-08-20	Contipro Biotech S.R.O.	Způsob přípravy mikrovláken, způsob výroby krytů ran, kryty ran a zařízení pro přípravu polysacharidových vláken
US9775928B2 (en)	2013-06-18	2017-10-03	Covidien Lp	Adhesive barbed filament
CN103409849B (zh) *	2013-07-15	2015-08-12	东华大学	一种以复合离子液体为溶剂制备壳聚糖中空纤维膜的方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3794731A (en) *	1972-04-21	1974-02-26	Gen Mills Inc	Protein fiber fabrication process
JPS526265B2 (it) *	1972-12-30	1977-02-21
JPS5241797B2 (it) *	1974-04-05	1977-10-20
US4029727A (en) *	1975-04-16	1977-06-14	The University Of Delaware	Chitin films and fibers
GB1566581A (en) *	1975-12-29	1980-05-08	Nippon Zeon Co	Hollow fibres and methods of manufacturing such fibres
FR2372251A1 (fr) *	1976-11-26	1978-06-23	Rhone Poulenc Textile	Nouveau procede de filage ou mise en forme de solutions de cellulose et articles ainsi obtenus
JPS6025525B2 (ja) *	1977-09-12	1985-06-19	三菱レイヨン株式会社	中空繊維状膜及びその製造方法
JPS5581705A (en) *	1978-12-16	1980-06-20	Agency Of Ind Science & Technol	Preparation of chitosan membrane
US4309534A (en) *	1979-02-15	1982-01-05	University Of Delaware	Renatured chitosan and process of making same
JPS5626049A (en) *	1979-08-06	1981-03-13	Mitsubishi Rayon Co	Chitine or chitine derivative nonwoven fabric and method
JPS5661401A (en) *	1979-10-24	1981-05-26	Kureha Chem Ind Co Ltd	Novel molding compound
US4378017A (en) *	1980-03-21	1983-03-29	Kureha Kagaku Kogyo Kabushiki Kaisha	Composite material of de-N-acetylated chitin and fibrous collagen

1981
- 1981-10-08 IT IT24398/81A patent/IT1144925B/it active
1982
- 1982-09-29 NO NO823283A patent/NO823283L/no unknown
- 1982-10-06 EP EP82201242A patent/EP0077098B1/en not_active Expired
- 1982-10-06 DE DE8282201242T patent/DE3269660D1/de not_active Expired
- 1982-10-06 AT AT82201242T patent/ATE18358T1/de not_active IP Right Cessation
- 1982-10-07 US US06/433,282 patent/US4464321A/en not_active Expired - Fee Related
- 1982-10-08 ES ES516784A patent/ES516784A0/es active Granted
- 1982-10-08 JP JP57176484A patent/JPS5875560A/ja active Pending

Also Published As

Publication number	Publication date
IT1144925B (it)	1986-10-29
EP0077098B1 (en)	1986-03-05
EP0077098A2 (en)	1983-04-20
IT8124398A0 (it)	1981-10-08
JPS5875560A (ja)	1983-05-07
DE3269660D1 (en)	1986-04-10
ES8308891A1 (es)	1983-10-01
EP0077098A3 (en)	1984-05-02
US4464321A (en)	1984-08-07
ES516784A0 (es)	1983-10-01
ATE18358T1 (de)	1986-03-15

Publication	Publication Date	Title
NO823283L (no)	1983-04-11	Fibre og fremgangsmaate for deres fremstilling.
US4056467A (en)	1977-11-01	Hollow fibres
US4535028A (en)	1985-08-13	Hollow fiber of cuprammonium regenerated cellulose and process for producing the same
CA1091409A (en)	1980-12-16	Dry phase inversion of exterior of cellulose acetate hollow fibre
JPS6028848B2 (ja)	1985-07-06	セルロ−ス成形品およびその製法
US4604326A (en)	1986-08-05	Porous regenerated cellulose hollow fiber and process for preparation thereof
WO2006128346A1 (fr)	2006-12-07	Procede de preparation d’une fibre de cellulose regeneree par un procede dans un bain de coagulation en deux etapes
JP3783239B2 (ja)	2006-06-07	ポリ（テトラフルオロエチレン）および関連ポリマー類の分散紡糸方法
JP2008248466A (ja)	2008-10-16	イオン性液体中でセルロースを処理する方法、および、それによる繊維
WO2007121609A1 (fr)	2007-11-01	Utilisation d'une solution aqueuse d'hydroxyde de sodium et de sulfo-urée dans la production de produits cellulosiques à l'échelle pilote
CN110129923A (zh)	2019-08-16	连续制备不同脱乙酰度的甲壳素/壳聚糖纤维的方法
KR20140049974A (ko)	2014-04-28	음이온으로 개질된 셀룰로오스를 방사하기 위한 방법 및 그 방법을 이용하여 제조한 섬유
US4543221A (en)	1985-09-24	Method for making cellulose semipermeable hollow fibers
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EP0175948B1 (en)	1990-06-27	Method for manufacture of hollow fibers for dialysis
US4173613A (en)	1979-11-06	Process for producing cellulosic shaped articles
US4129640A (en)	1978-12-12	Process for producing shaped articles of cellulose
US4830796A (en)	1989-05-16	Process for preparing a polyester-amide hollow fiber membrane
Doppert et al.	1973	The influence of the stretch ratio on the rate of diffusion in a wet‐spinning process
Hirano et al.	1998	Fiber preparation of N-acylchitosan and its cellulose blend by spinning their aqueous xanthate solutions
CA1237260A (en)	1988-05-31	Hollow fiber membrane for dialysis
US4432923A (en)	1984-02-21	Process for the production of dry-spun hollow polyacrylonitrile fibers and filaments
JPS61296112A (ja)	1986-12-26	銅安セルロ−ス中空糸膜
JPS61239018A (ja)	1986-10-24	繊維の連続製造法
CN1621136A (zh)	2005-06-01	一种纤维素中空纤维气体增湿膜制备及其应用