Patent ID: 8372929
Filing Date: 2013-02-12
Classification: C08F,C09J

Abstract:
1. A copolymer obtained by polymerization of monomers (A), (B), (C) and (D), wherein (A) is a monomer of formula (I) wherein A is C B is a C R is hydrogen or methyl, m is from 1 to 500; n is from 1 to 500, and the sum total of m+n is from 2 to 1000; (B) is a monomer of formula (II) wherein D is C R is hydrogen or methyl, o is from 2 to 500; (C) is an ethylenically unsaturated monomer containing an aromatic group; and (D) is an ethylenically unsaturated monomer containing an alkyl radical, wherein the monomer (C) is a compound of formula (IIIa) or (IIIb) wherein X Z Z Z wherein R X W wherein R Y is an aliphatic hydrocarbyl radical having 1 to 30 carbon atoms, optionally linear or branched or cyclic, and optionally contains heteroatoms selected from the group consisting of O, N and S and is optionally unsaturated, and W