ES447574A1 - Un procedimiento para la manufactura de eteres celulosicos absorbentes de agua. - Google Patents
Un procedimiento para la manufactura de eteres celulosicos absorbentes de agua.Info
- Publication number
- ES447574A1 ES447574A1 ES447574A ES447574A ES447574A1 ES 447574 A1 ES447574 A1 ES 447574A1 ES 447574 A ES447574 A ES 447574A ES 447574 A ES447574 A ES 447574A ES 447574 A1 ES447574 A1 ES 447574A1
- Authority
- ES
- Spain
- Prior art keywords
- water
- manufacture
- cellulose
- cellulose ethers
- etherification
- 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
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
- 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)
- 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)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Hematology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2519927A DE2519927C2 (de) | 1975-05-05 | 1975-05-05 | Verfahren zum Herstellen von Wasser aufnehmenden, aber darin zu mehr als 50 Gew.-% unlöslichen Celluloseethern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES447574A1 true ES447574A1 (es) | 1977-07-01 |
Family
ID=5945788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES447574A Expired ES447574A1 (es) | 1975-05-05 | 1976-05-04 | Un procedimiento para la manufactura de eteres celulosicos absorbentes de agua. |
Country Status (20)
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5411955A (en) * | 1977-06-29 | 1979-01-29 | Kodama Teizou | High water absorbing chitosan derivative and absorbing agent containing it |
| DE2823757C2 (de) * | 1978-05-31 | 1982-10-21 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von quellfähigen Fasern oder quellfähigen textilen Flächengebilden |
| DE2823736A1 (de) * | 1978-05-31 | 1979-12-13 | Hoechst Ag | Verfahren und vorrichtung zur herstellung von quellfaehiger, vernetzter carboxyalkylcellulose aus natuerlich vorkommender cellulose oder cellulosehydrat und deren verwendung |
| JPS57180602A (en) * | 1981-04-30 | 1982-11-06 | Nippon Soda Co Ltd | Production of water-soluble chitosan derivative and film-forming agent comprising same |
| US4609675A (en) * | 1984-08-17 | 1986-09-02 | The Upjohn Company | Stable, high dose, high bulk density ibuprofen granulations for tablet and capsule manufacturing |
| IT1267497B1 (it) * | 1994-11-10 | 1997-02-05 | P & G Spa | Polimero anionico, ad esempio di tipo superassorbente e relativo procedimento di produzione. |
| US5801116A (en) * | 1995-04-07 | 1998-09-01 | Rhodia Inc. | Process for producing polysaccharides and their use as absorbent materials |
| AT413824B (de) * | 2001-11-02 | 2006-06-15 | Chemiefaser Lenzing Ag | Verfahren zur behandlung von lösungsmittelgesponnenen cellulosischen fasern |
| WO2016115637A1 (en) | 2015-01-23 | 2016-07-28 | Fpinnovations | Absorbent fibres produced from low-substituted carboxymethyl cellulose and the process thereof |
| US10723807B2 (en) * | 2017-03-31 | 2020-07-28 | Shin-Etsu Chemical Co., Ltd. | Method for producing hydroxyalkyl alkyl cellulose |
| WO2020223039A1 (en) * | 2019-05-01 | 2020-11-05 | Dow Global Technologies Llc | Process for producing a crosslinked cellulose ether |
| US20220112311A1 (en) * | 2019-05-01 | 2022-04-14 | Dow Global Technologies Llc | Process for producing a crosslinked cellulose ether |
| US20220106411A1 (en) * | 2019-05-01 | 2022-04-07 | Dow Global Technologies Llc | Process for producing a crosslinked cellulose ether |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3272640A (en) * | 1960-12-22 | 1966-09-13 | Hercules Powder Co Ltd | Water insolubilizing and insensitizing process |
| US3077468A (en) * | 1960-12-22 | 1963-02-12 | Hercules Powder Co Ltd | Insolubilization of polysaccharide ethers |
| 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 |
| 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 |
-
1975
- 1975-05-05 DE DE2519927A patent/DE2519927C2/de not_active Expired
-
1976
- 1976-01-01 AR AR263178A patent/AR206270A1/es active
- 1976-04-30 LU LU74872A patent/LU74872A1/xx unknown
- 1976-04-30 CH CH548276A patent/CH597258A5/xx not_active IP Right Cessation
- 1976-05-03 FI FI761233A patent/FI761233A/fi not_active Application Discontinuation
- 1976-05-03 CA CA251,678A patent/CA1046511A/en not_active Expired
- 1976-05-03 BE BE166692A patent/BE841415A/xx not_active IP Right Cessation
- 1976-05-03 ZA ZA762623A patent/ZA762623B/xx unknown
- 1976-05-03 NL NL7604682A patent/NL7604682A/xx not_active Application Discontinuation
- 1976-05-03 AT AT322576A patent/AT359086B/de not_active IP Right Cessation
- 1976-05-03 SE SE7605036A patent/SE431458B/xx not_active IP Right Cessation
- 1976-05-03 US US05/682,326 patent/US4068068A/en not_active Expired - Lifetime
- 1976-05-03 GB GB17919/76A patent/GB1552851A/en not_active Expired
- 1976-05-04 ES ES447574A patent/ES447574A1/es not_active Expired
- 1976-05-04 DK DK199076A patent/DK199076A/da unknown
- 1976-05-04 FR FR7613225A patent/FR2310358A1/fr active Granted
- 1976-05-04 AU AU13614/76A patent/AU502704B2/en not_active Expired
- 1976-05-04 IT IT49309/76A patent/IT1061235B/it active
- 1976-05-04 JP JP51051269A patent/JPS5925802B2/ja not_active Expired
- 1976-06-04 BR BR2786/76A patent/BR7602786A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR7602786A (pt) | 1976-11-09 |
| CH597258A5 (US20030199744A1-20031023-C00003.png) | 1978-03-31 |
| ATA322576A (de) | 1980-03-15 |
| JPS51136769A (en) | 1976-11-26 |
| DE2519927C2 (de) | 1986-10-23 |
| ZA762623B (en) | 1977-04-27 |
| FI761233A (US20030199744A1-20031023-C00003.png) | 1976-11-06 |
| DK199076A (da) | 1976-11-06 |
| SE431458B (sv) | 1984-02-06 |
| BE841415A (fr) | 1976-11-03 |
| AT359086B (de) | 1980-10-27 |
| FR2310358A1 (fr) | 1976-12-03 |
| AU1361476A (en) | 1977-11-10 |
| CA1046511A (en) | 1979-01-16 |
| GB1552851A (en) | 1979-09-19 |
| US4068068A (en) | 1978-01-10 |
| NL7604682A (nl) | 1976-11-09 |
| AU502704B2 (en) | 1979-08-02 |
| AR206270A1 (es) | 1976-07-07 |
| DE2519927A1 (de) | 1976-11-18 |
| JPS5925802B2 (ja) | 1984-06-21 |
| IT1061235B (it) | 1983-02-28 |
| SE7605036L (sv) | 1976-11-06 |
| LU74872A1 (US20030199744A1-20031023-C00003.png) | 1977-12-02 |
| FR2310358B1 (US20030199744A1-20031023-C00003.png) | 1978-05-05 |
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