Hydrophilic polymers, pressure sensitive adhesives and coatings

Details Hydrophilic polymers, pressure sensitive adhesives and coatings Hydrophilic polymers, pressure sensitive adhesives and coatings

C - Chemistry, Metallurgy

08

F

C08F 20/26 (2006.01) A61K 8/81 (2006.01) A61K 9/16 (2006.01) A61K 9/70 (2006.01) A61Q 19/00 (2006.01) B05D 3/00 (2006.01) B41M 5/52 (2006.01) C08F 216/04 (2006.01) C08F 220/20 (2006.01) C08F 220/28 (2006.01) B41M 5/00 (2006.01)

Patent

CA 2403661

A method for the preparation of gel-free polymers in alcohol, in water, and in solutions of alcohol and water. The polymers produced by the method of the invention are useful as hydrophilic pressure sensitive adhesives, coatings, hydrogels, films, topical compositions, cosmetic compositions, transdermal drug delivery systems, and carrier for a mucus membrane drug delivery systems.

L'invention concerne un procédé destiné à la préparation de polymères exempts de gel dans de l'alcool, dans de l'eau et dans des solutions à base d'alcool et d'eau. Les polymères produits par ce procédé peuvent être utilisés en tant qu'adhésifs hydrophiles sensibles à la pression, revêtements, hydrogels, films, compositions topiques, compositions cosmétiques, systèmes d'administration transdermique de médicaments, et en tant que vecteur destiné à des systèmes d'administration de médicaments par voie muqueuse.

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