IT1032136B - Procedimento per la produzione di eteri di cellulosa assorenti acqua ma insolubili in essa - Google Patents
Procedimento per la produzione di eteri di cellulosa assorenti acqua ma insolubili in essaInfo
- Publication number
- IT1032136B IT1032136B IT54134/74A IT5413474A IT1032136B IT 1032136 B IT1032136 B IT 1032136B IT 54134/74 A IT54134/74 A IT 54134/74A IT 5413474 A IT5413474 A IT 5413474A IT 1032136 B IT1032136 B IT 1032136B
- Authority
- IT
- Italy
- Prior art keywords
- insoluble
- procedure
- production
- cellulose ethers
- absorbing water
- Prior art date
Links
Classifications
-
- 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
- C08B15/10—Crosslinking of cellulose
-
- 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
- C08B11/14—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with nitrogen-containing groups
-
- 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
- C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Biochemistry (AREA)
- Organic Chemistry (AREA)
- Hematology (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2358150A DE2358150C2 (de) | 1973-11-22 | 1973-11-22 | Verfahren zum Herstellen von Wasser aufnehmenden, aber darin zu mehr als 50% unlöslichen Celluloseethern |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1032136B true IT1032136B (it) | 1979-05-30 |
Family
ID=5898734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT54134/74A IT1032136B (it) | 1973-11-22 | 1974-11-20 | Procedimento per la produzione di eteri di cellulosa assorenti acqua ma insolubili in essa |
Country Status (17)
Country | Link |
---|---|
US (1) | US3965091A (it) |
JP (1) | JPS5085689A (it) |
AR (1) | AR203220A1 (it) |
AT (1) | AT354468B (it) |
BE (1) | BE822381A (it) |
BR (1) | BR7409779A (it) |
CA (1) | CA1029371A (it) |
CH (1) | CH609067A5 (it) |
DE (1) | DE2358150C2 (it) |
ES (1) | ES432123A1 (it) |
FI (1) | FI335274A (it) |
FR (1) | FR2252353B1 (it) |
GB (1) | GB1492039A (it) |
IT (1) | IT1032136B (it) |
NL (1) | NL7414745A (it) |
SE (1) | SE7414394L (it) |
ZA (1) | ZA747407B (it) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4186238A (en) * | 1973-12-24 | 1980-01-29 | Hoechst Aktiengesellschaft | Hydrophilic articles of water-insoluble polymers |
US4200558A (en) * | 1973-12-24 | 1980-04-29 | Hoechst Aktiengesellschaft | Method of producing hydrophilic articles of water-insoluble polymers |
US4194024A (en) * | 1973-12-24 | 1980-03-18 | Hoechst Aktiengesellschaft | Method of making hydrophilic articles of water-insoluble polymers |
DE2441781C3 (de) * | 1974-08-31 | 1980-12-04 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Verbesserung der Wasseraufnahme und Saugfähigkeit von Fasermaterialien |
DE2520336A1 (de) * | 1975-05-07 | 1976-11-18 | Hoechst Ag | Verfahren zum herstellen von wasser aufnehmenden, aber darin unloeslichen celluloseaethern |
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 |
DE2547650B2 (de) * | 1975-10-24 | 1981-01-22 | Hoechst Ag, 6000 Frankfurt | Flächenförmiges saugfähiges Schichtgebilde |
DE2634539C2 (de) * | 1976-07-31 | 1983-08-25 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Herstellung von saugfähigen, modifizierten Stärkeethern und deren Verwendung |
DE2710874A1 (de) * | 1977-03-12 | 1978-09-14 | Hoechst Ag | Wasserdampfaufnahmefaehiges gebundenes faservlies |
DE2823757C2 (de) * | 1978-05-31 | 1982-10-21 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von quellfähigen Fasern oder quellfähigen textilen Flächengebilden |
FI71750C (fi) | 1981-09-10 | 1987-02-09 | Daicel Chem | Process foer tillverkning av ett alkalisalt av karboximetylcellulosaeter. |
DE3236158A1 (de) * | 1982-09-30 | 1984-04-05 | Hoechst Ag, 6230 Frankfurt | Verfahren zur veretherung von cellulose mit monochloressigsaeurealkylestern |
US4557951A (en) * | 1983-11-22 | 1985-12-10 | A. E. Staley Manufacturing Company | Cellulosic organic solvent soluble products |
EP0155534B1 (de) * | 1984-03-20 | 1988-12-28 | Akzo Patente GmbH | Dialysemembran aus Cellulose mit verbesserter Biokompatibilität |
JPS6190657A (ja) * | 1984-10-11 | 1986-05-08 | 三井東圧化学株式会社 | 尿の吸収・保持剤 |
US4587284A (en) * | 1985-06-14 | 1986-05-06 | Ed. Geistlich Sohne Ag Fur Chemische Industrie | Absorbent polymer material and its preparation |
US5247072A (en) * | 1991-10-25 | 1993-09-21 | Kimberly-Clark Corporation | Carboxyalkyl polysaccharides having improved absorbent properties and process for the preparation thereof |
US5550189A (en) * | 1992-04-17 | 1996-08-27 | Kimberly-Clark Corporation | Modified polysaccharides having improved absorbent properties and process for the preparation thereof |
JP3274550B2 (ja) * | 1993-08-03 | 2002-04-15 | 株式会社日本触媒 | 吸水材の製法 |
JP3396961B2 (ja) | 1994-08-09 | 2003-04-14 | 王子製紙株式会社 | 吸水性セルロース材料の製造方法 |
US5725601A (en) * | 1994-08-09 | 1998-03-10 | New Oji Paper Co., Ltd. | Process for producing water-absorbent cross-linked, carboxyalkylated cellulose-containing material |
JP2002078733A (ja) * | 2000-06-28 | 2002-03-19 | Uni Charm Corp | 吸収性物品 |
US7393905B2 (en) * | 2004-12-29 | 2008-07-01 | Weyerhaeuser Company | Crosslinked mixed carboxylated polymer network |
US7300965B2 (en) | 2004-12-29 | 2007-11-27 | Weyerhaeuser Company | Mixed polymer network |
US7241836B2 (en) * | 2004-12-29 | 2007-07-10 | Weyerhaeuser Co. | Method of crosslinking a mixture of carboxylated polymers using a triazine crosslinking activator |
US20060142477A1 (en) * | 2004-12-29 | 2006-06-29 | Glasser Wolfgang G | Method for making sulfoalkylated cellulose polymer network |
US20060142476A1 (en) * | 2004-12-29 | 2006-06-29 | Weerawarna S A | Crosslinked carboxylated polymer |
US20060142480A1 (en) * | 2004-12-29 | 2006-06-29 | Mengkui Luo | Method of making carboxyalkyl cellulose polymer network |
US20060142561A1 (en) * | 2004-12-29 | 2006-06-29 | Mengkui Luo | Carboxyalkyl cellulose |
US7230049B2 (en) * | 2004-12-29 | 2007-06-12 | Weyerhaeuser Co. | Method of crosslinking a carboxylated polymer using a triazine crosslinking activator |
US20060142478A1 (en) * | 2004-12-29 | 2006-06-29 | Mengkui Luo | Carboxyalkyl cellulose polymer network |
US20060142484A1 (en) * | 2004-12-29 | 2006-06-29 | Glasser Wolfgang G | Sulfoalkylated cellulose polymer network |
US7541396B2 (en) * | 2004-12-29 | 2009-06-02 | Weyerhaeuser Nr Company | Method for making carboxyalkyl cellulose |
US20060142481A1 (en) * | 2004-12-29 | 2006-06-29 | Herriott Carole W | Method for making a mixed polymer network |
JP5937066B2 (ja) * | 2011-04-27 | 2016-06-22 | 独立行政法人国立高等専門学校機構 | 吸水性および吸液性高分子 |
EP3359206A4 (en) * | 2015-10-07 | 2019-05-15 | Lifescienceplus, Inc. | BIOCOMPATIBLE CARBOXYMETHYLCELLULOSE (BCM) MATRIX USEFUL FOR HEMOSTASE, WOUND HEALING, TISSUE BARRIER, AND COSMETOLOGY |
CN112409498A (zh) * | 2020-11-25 | 2021-02-26 | 泸州北方纤维素有限公司 | 高稳定性羧甲基羟乙基纤维素的制备方法 |
CN114539430B (zh) * | 2022-01-05 | 2023-04-07 | 安徽农业大学 | 一种改性羧甲基纤维素及其制备方法与应用 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2338681A (en) * | 1942-01-17 | 1944-01-04 | Rohm & Haas | Reaction of acrylamide with cellulose |
US2517577A (en) * | 1946-12-10 | 1950-08-08 | Hercules Powder Co Ltd | Preparation of carboxyalkyl ethers of cellulose |
US2580351A (en) * | 1948-12-22 | 1951-12-25 | Hercules Powder Co Ltd | Cellulose sulfamylethyl ether |
US2618635A (en) * | 1949-12-23 | 1952-11-18 | Hercules Powder Co Ltd | Mixed cellulose ether |
US2618633A (en) * | 1949-12-23 | 1952-11-18 | Hercules Powder Co Ltd | Preparation of carboxyethyl cellulose |
US2886474A (en) * | 1954-04-14 | 1959-05-12 | Rohm & Haas | Compositions for binding pigments |
US2971815A (en) * | 1957-10-31 | 1961-02-14 | Austin L Bullock | Chemically modified textiles |
US3029232A (en) * | 1958-12-26 | 1962-04-10 | American Cyanamid Co | Production of amide containing cellulose |
US3102773A (en) * | 1959-06-25 | 1963-09-03 | Nalco Chemical Co | Process for treating textiles |
NL275109A (it) * | 1961-02-28 | |||
US3298979A (en) * | 1963-08-09 | 1967-01-17 | Eastman Kodak Co | Graft copolymers comprising acrylonitrile and cellulose derivatives |
US3696092A (en) * | 1963-08-13 | 1972-10-03 | Giuliana C Tesoro | Process for the chemical modification of polymers containing active hydrogen atoms by reacting such with a sulfonamide compound |
US3423163A (en) * | 1966-07-19 | 1969-01-21 | Du Pont | Cellulosic textile fibers bearing grafted n-methylol amide |
GB1099239A (en) * | 1966-11-09 | 1968-01-17 | Japan Atomic Energy Res Inst | Graft polymerization of vinyl compound onto cellulose |
US3589364A (en) * | 1968-03-14 | 1971-06-29 | Buckeye Cellulose Corp | Bibulous cellulosic fibers |
DE1920493A1 (de) * | 1969-04-23 | 1970-11-05 | Henkel & Cie Gmbh | Verfahren zur Herstellung von Carbamyl-aethylgruppen enthaltenden Cellulosederivaten |
-
1973
- 1973-11-22 DE DE2358150A patent/DE2358150C2/de not_active Expired
-
1974
- 1974-11-12 NL NL7414745A patent/NL7414745A/xx not_active Application Discontinuation
- 1974-11-15 SE SE7414394A patent/SE7414394L/xx unknown
- 1974-11-18 US US05/524,822 patent/US3965091A/en not_active Expired - Lifetime
- 1974-11-18 FR FR7437890A patent/FR2252353B1/fr not_active Expired
- 1974-11-19 ZA ZA00747407A patent/ZA747407B/xx unknown
- 1974-11-19 BE BE150672A patent/BE822381A/xx unknown
- 1974-11-19 CH CH1538474A patent/CH609067A5/xx not_active IP Right Cessation
- 1974-11-20 IT IT54134/74A patent/IT1032136B/it active
- 1974-11-20 GB GB50331/74A patent/GB1492039A/en not_active Expired
- 1974-11-20 AT AT929174A patent/AT354468B/de not_active IP Right Cessation
- 1974-11-20 CA CA214,250A patent/CA1029371A/en not_active Expired
- 1974-11-20 FI FI3352/74A patent/FI335274A/fi unknown
- 1974-11-20 AR AR256589A patent/AR203220A1/es active
- 1974-11-20 ES ES432123A patent/ES432123A1/es not_active Expired
- 1974-11-21 BR BR9779/74A patent/BR7409779A/pt unknown
- 1974-11-22 JP JP49135068A patent/JPS5085689A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
SE7414394L (it) | 1975-05-23 |
GB1492039A (en) | 1977-11-16 |
FI335274A (it) | 1975-05-23 |
NL7414745A (nl) | 1975-05-26 |
JPS5085689A (it) | 1975-07-10 |
US3965091A (en) | 1976-06-22 |
BR7409779A (pt) | 1976-05-25 |
CA1029371A (en) | 1978-04-11 |
AT354468B (de) | 1979-01-10 |
AU7552674A (en) | 1976-05-20 |
CH609067A5 (it) | 1979-02-15 |
BE822381A (fr) | 1975-05-20 |
AR203220A1 (es) | 1975-08-22 |
FR2252353B1 (it) | 1979-03-16 |
DE2358150C2 (de) | 1982-03-18 |
ATA929174A (de) | 1979-06-15 |
ES432123A1 (es) | 1976-11-01 |
FR2252353A1 (it) | 1975-06-20 |
ZA747407B (en) | 1975-12-31 |
DE2358150A1 (de) | 1975-05-28 |
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