DD144061A5 - Verfahren zur herstellung von quellfaehiger,vernetzter carboxyalkylcellulose - Google Patents

Verfahren zur herstellung von quellfaehiger,vernetzter carboxyalkylcellulose Download PDF

Info

Publication number: DD144061A5
Authority: DD; German Democratic Republic
Prior art keywords: fibers; reaction; cellulose; weight; crosslinking
Prior art date: 1978-05-31

Application number

DD79213232A

Other languages

German (de)

English (en)

Inventor

Helmut Lask

Arno Holst

Original Assignee

Hoechst 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.)

1978-05-31

Filing date

1979-05-29

Publication date

1980-09-24

1979-05-29 Application filed by Hoechst Ag filed Critical Hoechst Ag

1980-09-24 Publication of DD144061A5 publication Critical patent/DD144061A5/de

Links

238000004519 manufacturing process Methods 0.000 title claims description 7
239000000835 fiber Substances 0.000 claims description 66
238000000034 method Methods 0.000 claims description 48
238000006243 chemical reaction Methods 0.000 claims description 42
229920002678 cellulose Polymers 0.000 claims description 31
239000001913 cellulose Substances 0.000 claims description 31
239000004744 fabric Substances 0.000 claims description 16
239000011541 reaction mixture Substances 0.000 claims description 15
238000004132 cross linking Methods 0.000 claims description 13
239000003431 cross linking reagent Substances 0.000 claims description 13
239000000203 mixture Substances 0.000 claims description 12
239000004753 textile Substances 0.000 claims description 12
238000006266 etherification reaction Methods 0.000 claims description 10
239000003795 chemical substances by application Substances 0.000 claims description 9
-1 acrylamido group Chemical group 0.000 claims description 7
XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 claims description 6
150000001875 compounds Chemical class 0.000 claims description 5
238000002360 preparation method Methods 0.000 claims description 5
FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 claims description 3
125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
150000003839 salts Chemical class 0.000 claims description 3
JXTHNDFMNIQAHM-UHFFFAOYSA-N dichloroacetic acid Chemical compound OC(=O)C(Cl)Cl JXTHNDFMNIQAHM-UHFFFAOYSA-N 0.000 claims 2
229960005215 dichloroacetic acid Drugs 0.000 claims 1
125000000524 functional group Chemical group 0.000 claims 1
238000007654 immersion Methods 0.000 claims 1
238000005507 spraying Methods 0.000 claims 1
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 33
239000002657 fibrous material Substances 0.000 description 20
239000000243 solution Substances 0.000 description 15
229920003086 cellulose ether Polymers 0.000 description 12
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
230000035484 reaction time Effects 0.000 description 10
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 8
239000004745 nonwoven fabric Substances 0.000 description 7
LVKKFNORSNCNPP-UHFFFAOYSA-N 2,2-bis(prop-2-enoylamino)acetic acid Chemical compound C=CC(=O)NC(C(=O)O)NC(=O)C=C LVKKFNORSNCNPP-UHFFFAOYSA-N 0.000 description 6
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
229920000297 Rayon Polymers 0.000 description 6
239000003085 diluting agent Substances 0.000 description 6
238000010348 incorporation Methods 0.000 description 6
239000000463 material Substances 0.000 description 6
238000006467 substitution reaction Methods 0.000 description 6
239000010985 leather Substances 0.000 description 5
239000002964 rayon Substances 0.000 description 5
239000011734 sodium Substances 0.000 description 5
239000000126 substance Substances 0.000 description 5
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 4
239000003513 alkali Substances 0.000 description 4
238000001035 drying Methods 0.000 description 4
239000007787 solid Substances 0.000 description 4
HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 3
239000002250 absorbent Substances 0.000 description 3
230000002745 absorbent Effects 0.000 description 3
238000010521 absorption reaction Methods 0.000 description 3
239000007864 aqueous solution Substances 0.000 description 3
239000007795 chemical reaction product Substances 0.000 description 3
FOCAUTSVDIKZOP-UHFFFAOYSA-M chloroacetate Chemical compound [O-]C(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-M 0.000 description 3
239000012530 fluid Substances 0.000 description 3
239000007788 liquid Substances 0.000 description 3
239000000047 product Substances 0.000 description 3
239000000376 reactant Substances 0.000 description 3
239000004627 regenerated cellulose Substances 0.000 description 3
230000008961 swelling Effects 0.000 description 3
229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
229920003043 Cellulose fiber Polymers 0.000 description 2
BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 2
229960000583 acetic acid Drugs 0.000 description 2
150000001719 carbohydrate derivatives Chemical class 0.000 description 2
229920006037 cross link polymer Polymers 0.000 description 2
229920001971 elastomer Polymers 0.000 description 2
239000012362 glacial acetic acid Substances 0.000 description 2
239000002649 leather substitute Substances 0.000 description 2
238000006386 neutralization reaction Methods 0.000 description 2
229920000728 polyester Polymers 0.000 description 2
229920000642 polymer Polymers 0.000 description 2
229920002635 polyurethane Polymers 0.000 description 2
239000004814 polyurethane Substances 0.000 description 2
229920000915 polyvinyl chloride Polymers 0.000 description 2
239000004800 polyvinyl chloride Substances 0.000 description 2
239000000843 powder Substances 0.000 description 2
239000005060 rubber Substances 0.000 description 2
239000007858 starting material Substances 0.000 description 2
229920002994 synthetic fiber Polymers 0.000 description 2
239000012209 synthetic fiber Substances 0.000 description 2
GAWAYYRQGQZKCR-REOHCLBHSA-N (S)-2-chloropropanoic acid Chemical compound C[C@H](Cl)C(O)=O GAWAYYRQGQZKCR-REOHCLBHSA-N 0.000 description 1
GVBHCMNXRKOJRH-UHFFFAOYSA-N 2,4,5,6-tetrachloropyrimidine Chemical compound ClC1=NC(Cl)=C(Cl)C(Cl)=N1 GVBHCMNXRKOJRH-UHFFFAOYSA-N 0.000 description 1
DPVIABCMTHHTGB-UHFFFAOYSA-N 2,4,6-trichloropyrimidine Chemical compound ClC1=CC(Cl)=NC(Cl)=N1 DPVIABCMTHHTGB-UHFFFAOYSA-N 0.000 description 1
MOFJLHAFOLVPEB-UHFFFAOYSA-N 2-chloro-3-(prop-2-enoylamino)prop-2-enamide Chemical compound NC(=O)C(Cl)=CNC(=O)C=C MOFJLHAFOLVPEB-UHFFFAOYSA-N 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
XWLXBEPWFIMISL-UHFFFAOYSA-N ClCC(=O)O.C(C=C)(=O)N Chemical compound ClCC(=O)O.C(C=C)(=O)N XWLXBEPWFIMISL-UHFFFAOYSA-N 0.000 description 1
229920000742 Cotton Polymers 0.000 description 1
239000004971 Cross linker Substances 0.000 description 1
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
CNCOEDDPFOAUMB-UHFFFAOYSA-N N-Methylolacrylamide Chemical group OCNC(=O)C=C CNCOEDDPFOAUMB-UHFFFAOYSA-N 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
101150052863 THY1 gene Proteins 0.000 description 1
230000001133 acceleration Effects 0.000 description 1
239000002253 acid Substances 0.000 description 1
230000002378 acidificating effect Effects 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
239000000853 adhesive Substances 0.000 description 1
230000001070 adhesive effect Effects 0.000 description 1
150000008044 alkali metal hydroxides Chemical class 0.000 description 1
230000029936 alkylation Effects 0.000 description 1
238000005804 alkylation reaction Methods 0.000 description 1
239000002585 base Substances 0.000 description 1
239000011230 binding agent Substances 0.000 description 1
239000008280 blood Substances 0.000 description 1
210000004369 blood Anatomy 0.000 description 1
239000012267 brine Substances 0.000 description 1
125000004181 carboxyalkyl group Chemical group 0.000 description 1
238000012512 characterization method Methods 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
230000000295 complement effect Effects 0.000 description 1
MGNCLNQXLYJVJD-UHFFFAOYSA-N cyanuric chloride Chemical compound ClC1=NC(Cl)=NC(Cl)=N1 MGNCLNQXLYJVJD-UHFFFAOYSA-N 0.000 description 1
235000014113 dietary fatty acids Nutrition 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
239000000839 emulsion Substances 0.000 description 1
150000002170 ethers Chemical class 0.000 description 1
238000000605 extraction Methods 0.000 description 1
239000000194 fatty acid Substances 0.000 description 1
229930195729 fatty acid Natural products 0.000 description 1
238000007380 fibre production Methods 0.000 description 1
238000010559 graft polymerization reaction Methods 0.000 description 1
239000008187 granular material Substances 0.000 description 1
230000005484 gravity Effects 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
238000002156 mixing Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
238000000465 moulding Methods 0.000 description 1
ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 description 1
229920005615 natural polymer Polymers 0.000 description 1
230000006855 networking Effects 0.000 description 1
230000003472 neutralizing effect Effects 0.000 description 1
239000002245 particle Substances 0.000 description 1
229920001281 polyalkylene Polymers 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
239000012254 powdered material Substances 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
238000012545 processing Methods 0.000 description 1
239000002994 raw material Substances 0.000 description 1
230000003134 recirculating effect Effects 0.000 description 1
239000011347 resin Substances 0.000 description 1
229920005989 resin Polymers 0.000 description 1
210000003296 saliva Anatomy 0.000 description 1
FDRCDNZGSXJAFP-UHFFFAOYSA-M sodium chloroacetate Chemical compound [Na+].[O-]C(=O)CCl FDRCDNZGSXJAFP-UHFFFAOYSA-M 0.000 description 1
RZFBEFUNINJXRQ-UHFFFAOYSA-M sodium ethyl xanthate Chemical compound [Na+].CCOC([S-])=S RZFBEFUNINJXRQ-UHFFFAOYSA-M 0.000 description 1
HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
239000002904 solvent Substances 0.000 description 1
239000000758 substrate Substances 0.000 description 1
210000004243 sweat Anatomy 0.000 description 1
229920001059 synthetic polymer Polymers 0.000 description 1
238000012546 transfer Methods 0.000 description 1
238000009966 trimming Methods 0.000 description 1
210000002700 urine Anatomy 0.000 description 1
235000012431 wafers Nutrition 0.000 description 1
229920003176 water-insoluble polymer Polymers 0.000 description 1
238000010626 work up procedure Methods 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B17/00—Apparatus for esterification or etherification of cellulose
- C08B17/06—Apparatus for esterification or etherification of cellulose for making cellulose ethers
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/28—Polysaccharides or their derivatives
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
- C08B11/10—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals
- C08B11/12—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals substituted with carboxylic radicals, e.g. carboxymethylcellulose [CMC]
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
- C08B15/005—Crosslinking of cellulose derivatives

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Biochemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Hematology (AREA)
Epidemiology (AREA)
Animal Behavior & Ethology (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Chemical Or Physical Treatment Of Fibers (AREA)
Absorbent Articles And Supports Therefor (AREA)

DD79213232A 1978-05-31 1979-05-29 Verfahren zur herstellung von quellfaehiger,vernetzter carboxyalkylcellulose DD144061A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2823757A DE2823757C2 (de)	1978-05-31	1978-05-31	Verfahren zur Herstellung von quellfähigen Fasern oder quellfähigen textilen Flächengebilden

Publications (1)

Publication Number	Publication Date
DD144061A5 true DD144061A5 (de)	1980-09-24

Family

ID=6040630

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD79213232A DD144061A5 (de)	1978-05-31	1979-05-29	Verfahren zur herstellung von quellfaehiger,vernetzter carboxyalkylcellulose

Country Status (5)

Country	Link
US (1)	US4248595A (fr)
BE (1)	BE876671A (fr)
DD (1)	DD144061A5 (fr)
DE (1)	DE2823757C2 (fr)
IT (1)	IT7949240A0 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1121850B (it) *	1979-06-20	1986-04-23	Montedison Spa	Pol-carbossi-alchil-cellulose ad ritezione dei fluidi e processo per la loro preparazione
US4404371A (en) *	1981-01-14	1983-09-13	Battelle Memorial Institute	Carboxymethylcellulose with carbonate bridges and preparation thereof
US4543410A (en) *	1982-06-21	1985-09-24	Morca, Inc.	Absorbent cellulosic base structures
US4908097A (en) *	1984-02-03	1990-03-13	Scott Paper Company	Modified cellulosic fibers
US4609675A (en) *	1984-08-17	1986-09-02	The Upjohn Company	Stable, high dose, high bulk density ibuprofen granulations for tablet and capsule manufacturing
DE3530008C1 (de) *	1985-08-22	1986-11-27	Friederun 4322 Sprockhövel Köhnen	Abdeckung fuer einen Behaelter
US5725601A (en) *	1994-08-09	1998-03-10	New Oji Paper Co., Ltd.	Process for producing water-absorbent cross-linked, carboxyalkylated cellulose-containing material
US6361651B1 (en)	1998-12-30	2002-03-26	Kimberly-Clark Worldwide, Inc.	Chemically modified pulp fiber
DE19938502A1 (de) *	1999-08-13	2001-02-15	Wolff Walsrode Ag	Verfahren zur Herstellung von Cellulosederivaten
US20030125683A1 (en) *	2001-12-31	2003-07-03	Reeves William G.	Durably hydrophilic, non-leaching coating for hydrophobic substances
US20030143388A1 (en) *	2001-12-31	2003-07-31	Reeves William G.	Regenerated carbohydrate foam composition
US20030155679A1 (en) *	2001-12-31	2003-08-21	Reeves William G.	Method of making regenerated carbohydrate foam compositions
US20050148922A1 (en) *	2003-12-31	2005-07-07	Reeves William G.	Thermoplastic composition and products made therefrom
AT508688B8 (de) *	2009-08-28	2011-10-15	Chemiefaser Lenzing Ag	Carboxyethylcellulosefasern, ihre verwendung in wundverbänden und hygieneartikeln sowie verfahren zu ihrer herstellung
TWI392779B (zh) *	2009-12-31	2013-04-11		A method for preparing natural cellulose nonwoven fabric by wet meltblowing
TWI392781B (zh) *	2009-12-31	2013-04-11		Preparation of Natural Cellulose Nonwoven by Wet Spunbond Method
US9382337B2 (en) *	2014-12-09	2016-07-05	Rayonier Performance Fibers, Llc	Hydrogel forming material from byproduct pulp fines
US9610379B2 (en)	2015-01-23	2017-04-04	Fpinnovations	Absorbent fibres produced from low-substituted carboxymethyl cellulose and the process thereof
CN117071166A (zh) *	2023-08-04	2023-11-17	浙江隆腾新材料有限公司	一种具有高崩解性的水溶性无纺布

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2101263A (en) *	1935-08-01	1937-12-07	Du Pont	Continuous preparation of cellulose derivatives
US2553725A (en) *	1948-09-10	1951-05-22	Buckeye Cotton Oil Company	Process of preparing cellulose derivatives
FR1346293A (fr)	1962-09-17	1963-12-20	Brown Co	Procédé de préparation de la carboxyméthylcellulose
US3589364A (en) *	1968-03-14	1971-06-29	Buckeye Cellulose Corp	Bibulous cellulosic fibers
US3723413A (en) *	1970-10-26	1973-03-27	Personal Products Co	Water-insoluble fluid-absorptive and retentive materials and methods of making the same
US3997647A (en) *	1973-10-01	1976-12-14	Kimberly-Clark Corporation	Method of making filaments and webs of chemically modified cellulose fibers
DE2357079C2 (de) *	1973-11-15	1982-07-29	Hoechst Ag, 6000 Frankfurt	Verfahren zum Herstellen von Wasser aufnehmenden, aber darin zu mehr als 50% unlöslichen Celluloseethern
DE2358150C2 (de) *	1973-11-22	1982-03-18	Hoechst Ag, 6000 Frankfurt	Verfahren zum Herstellen von Wasser aufnehmenden, aber darin zu mehr als 50% unlöslichen Celluloseethern
DE2364628C3 (de)	1973-12-24	1980-10-16	Hoechst Ag, 6000 Frankfurt	Verfahren zur Herstellung eines hydrophilierten Gebildes aus einem wasserunlöslichen Polymeren
DE2441781C3 (de) *	1974-08-31	1980-12-04	Hoechst Ag, 6000 Frankfurt	Verfahren zur Verbesserung der Wasseraufnahme und Saugfähigkeit von Fasermaterialien
DE2519927C2 (de) *	1975-05-05	1986-10-23	Hoechst Ag, 6230 Frankfurt	Verfahren zum Herstellen von Wasser aufnehmenden, aber darin zu mehr als 50 Gew.-% unlöslichen Celluloseethern
DE2520337A1 (de) *	1975-05-07	1976-11-18	Hoechst Ag	Verfahren zum herstellen von wasser aufnehmenden, aber darin unloeslichen celluloseaethern
DE2543187C2 (de) *	1975-09-27	1982-05-06	Hoechst Ag, 6000 Frankfurt	Verfahren zur Herstellung von Wasser aufnehmenden, aber darin weitgehend unlöslichen Celluloseethern
DE2710874A1 (de)	1977-03-12	1978-09-14	Hoechst Ag	Wasserdampfaufnahmefaehiges gebundenes faservlies

1978
- 1978-05-31 DE DE2823757A patent/DE2823757C2/de not_active Expired
1979
- 1979-05-29 US US06/043,543 patent/US4248595A/en not_active Expired - Lifetime
- 1979-05-29 DD DD79213232A patent/DD144061A5/de unknown
- 1979-05-30 IT IT7949240A patent/IT7949240A0/it unknown
- 1979-05-30 BE BE0/195495A patent/BE876671A/fr unknown

Also Published As

Publication number	Publication date
US4248595A (en)	1981-02-03
DE2823757A1 (de)	1979-12-13
DE2823757C2 (de)	1982-10-21
IT7949240A0 (it)	1979-05-30
BE876671A (fr)	1979-11-30

Publication	Publication Date	Title
DE2823757C2 (de)	1982-10-21	Verfahren zur Herstellung von quellfähigen Fasern oder quellfähigen textilen Flächengebilden
DD144062A5 (de)	1980-09-24	Verfahren und vorrichtung zur herstellung von quellfaehiger,vernetzter carboxyalkylcellulose
DE69434574T2 (de)	2006-08-10	Modifizierte polysaccharide mit absorptionseigenschaften und verfahren zu deren herstellung
DE2357079C2 (de)	1982-07-29	Verfahren zum Herstellen von Wasser aufnehmenden, aber darin zu mehr als 50% unlöslichen Celluloseethern
DE2710874A1 (de)	1978-09-14	Wasserdampfaufnahmefaehiges gebundenes faservlies
DE2441781C3 (de)	1980-12-04	Verfahren zur Verbesserung der Wasseraufnahme und Saugfähigkeit von Fasermaterialien
EP3645771A1 (fr)	2020-05-06	Fibre multicomposant formant un hydrogel
DE2324589B2 (de)	1977-11-24	Trockene alkalische mischfaser, verfahren zu ihrer herstellung und deren verwendung zur herstellung einer hochsaugfaehigen masse
DE2314689A1 (de)	1974-10-10	Fluessigkeiten aufsaugende und zurueckhaltende cellulosematerialien und verfahren zu ihrer herstellung
EP0828869B1 (fr)	2001-12-12	Sulfonation de cellulose regeneree avec des polymeres sulfones et utilisation des fibres ainsi modifiees
DE2634539A1 (de)	1978-02-09	Verfahren zur herstellung von saugfaehigen, modifizierten staerkeaethern und deren verwendung
CH618448A5 (fr)	1980-07-31
DE1696233B2 (de)	1976-07-01	Verfahren zur herstellung von vernetztem cellulosehalbstoff und dieser so hergestellte cellulosehalbstoff als solcher
DE69220664T2 (de)	1997-10-16	Kationische polysaccharide
AT2256U1 (de)	1998-07-27	Verfahren zur behandlung von cellulosischen formkörpern
DE1293720B (de)	1969-04-30	Verfahren zur Verbesserung der Eigenschaften von aktive Wasserstoffatome tragenden Polymeren in Form von Textilgut
DD144063A5 (de)	1980-09-24	Verfahren zur herstellung von quellfaehiger,vernetzter carboxyalkylcellulose in faserform
DE10062070A1 (de)	2001-07-05	Verfahren zur Herstellung verbesserter regenerierter Zellulosefasern
EP0040335B1 (fr)	1986-11-05	Agent d'encollage et procédé pour sa préparation
DE69711232T2 (de)	2002-11-28	Celluloseschwämme
DE2600930A1 (de)	1976-07-15	Vernetzte phosphonoalkyl-cellulose und sie enthaltende absorbierende artikel
DE69421348T2 (de)	2000-06-08	Wasserabsorbierender Vliesstoff und Verfahren zur Herstellung
DE69508327T2 (de)	1999-09-23	Verfahren zur Herstellung von wasserabsorbierenden, vernetzten, carboxalkyliertem, Zellstoff enthaltendem Material
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