Patent ID: 6900171
Filing Date: 2005-05-31
Classification: C08F,C11D

Abstract:
1. A hydrophilic polymer with improved biodegradability, comprising: from 70% to 99% by weight of units derived by polymerization from at least one monomers A bearing a carboxylic acid function or an equivalent function, from 1% to 30% by weight of units derived by polymerization from at least one monomers B bearing an electron-rich group or a function capable of introducing an electron-rich group into the main chain, wherein monomers B is selected from the group consisting of monomers bearing two conjugated double bonds and monomers bearing a triple bond; and units derived by polymerization from at least one monomers C which is copolymerizable with A and B, but is different from A and B, the amount of such units being up to 29% by weight, wherein monomers C is selected from the group consisting of vinyl, acrylic, styrene and derivatives thereof.