A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 15/28 (2006.01) A61L 15/46 (2006.01) C08B 11/04 (2006.01) C08B 11/10 (2006.01)
Patent
CA 2744465
This invention relates to absorbent materials useful in the manufacture of absorbent articles, in particular dressings for the advanced wound care market. The absorbent materials of the present invention are sulfonated polysaccharides, particularly water-insoluble cellulose alkyl sulfonates in which the cellulose is substituted by one type of alkyl sulfonate group. The invention also provides a process for the manufacture of such materials. The preferred cellulose alkyl sulfonate described herein is cellulose ethyl sulfonate. Reinforcing fibers and/or antimicrobial agents are optionally applied to the cellulose alkyl sulfonate.
La présente invention concerne des matériaux absorbants utiles dans la fabrication d'articles absorbants, en particulier de pansements pour le marché des soins avancés des plaies. Ces matériaux absorbants sont des polysaccharides sulfonés, en particulier des alkylsulfonates de cellulose insolubles dans l'eau dans lesquels la cellulose est substituée par un type de groupe alkylsulfonate. Linvention concerne également un procédé de fabrication de tels matériaux. L'alkylsulfonate de cellulose préféré est l'éthylsulfonate de cellulose. Des fibres de renforcement et/ou des agents antimicrobiens sont éventuellement appliqués à l'alkylsulfonate de cellulose.
Cameron Ip
Speciality Fibres And Materials Limited
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