Acrylic graft copolymers and coating compositions thereof

Details Acrylic graft copolymers and coating compositions thereof Acrylic graft copolymers and coating compositions thereof

C - Chemistry, Metallurgy

08

G

400/1300, 400/20

C08G 18/63 (2006.01) C08B 3/14 (2006.01) C08F 265/06 (2006.01) C08G 18/64 (2006.01) C09D 187/00 (2006.01)

Patent

CA 1119336

ABSTRACT OF THE DISCLOSURE A graft copolymer having a polymeric backbone with pendent hydroxyl groups; wherein the hydrogen atom of at least one of the hydroxyl groups is replaced by the formula Image Where R is an aliphatic group, a cycloaliphatic group or an aromatic group' R1 is an alkylene group having 2-6 carbon atoms; R2 is a polymer segment of a vinyl addition polymer, such as butyl acrylate/hydroxyethyl acrylate; coating compositions of this copolymer can be cross-linked with conventional cross-linking agents such as an alkylated melamine formaldehyde resin or an organic polyisocyanate and coating compositions useful for flexible elastomeric substrates can be prepared from this copolymer.

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