MX9804696A - Celulosa sulfonatada teniendo propiedades absorbentes. - Google Patents
Celulosa sulfonatada teniendo propiedades absorbentes.Info
- Publication number
- MX9804696A MX9804696A MX9804696A MX9804696A MX9804696A MX 9804696 A MX9804696 A MX 9804696A MX 9804696 A MX9804696 A MX 9804696A MX 9804696 A MX9804696 A MX 9804696A MX 9804696 A MX9804696 A MX 9804696A
- Authority
- MX
- Mexico
- Prior art keywords
- water
- sulfonated cellulose
- absorbent properties
- swellable
- cellulose
- 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
-
- 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
-
- 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
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Hematology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Biochemistry (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
Se describe una celulosa sulfonatada hinchable en agua insoluble en agua teniendo propiedades de absorcion mejoradas. Una modalidad de la presente invencion se refiere a una celulosa sulfonatada insoluble en agua e hinchable en agua teniendo un grado promedio de sustitucion de grupo sulfonico de desde alrededor de 0.2 a alrededor de 0.5 que exhibe un valor de Absorbencia Bajo Carga inicial de por lo menos de alrededor de 8 gramos por gramo. La celulosa sulfonatada puede ser usada en los productos absorbentes desechables.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08571332 | 1995-12-13 | ||
US08/571,332 US5703225A (en) | 1995-12-13 | 1995-12-13 | Sulfonated cellulose having improved absorbent properties |
Publications (2)
Publication Number | Publication Date |
---|---|
MX9804696A true MX9804696A (es) | 1998-10-31 |
MXPA98004696A MXPA98004696A (es) | 1999-01-11 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
ZA969817B (en) | 1997-06-10 |
AR005050A1 (es) | 1999-04-07 |
CA2236353A1 (en) | 1997-06-19 |
CO4770986A1 (es) | 1999-04-30 |
US5703225A (en) | 1997-12-30 |
AU1160197A (en) | 1997-07-03 |
WO1997021733A1 (en) | 1997-06-19 |
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