Acrylate-containing polymer blends

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 53/00 (2006.01) C08L 33/06 (2006.01) C08L 53/02 (2006.01) C09D 11/10 (2006.01) C09D 133/06 (2006.01) C09D 153/00 (2006.01) C09D 153/02 (2006.01) C09J 5/02 (2006.01) C09J 133/06 (2006.01) C09J 153/00 (2006.01)

Patent

CA 2179401

A polymer blend characterized by: (a) a modified block copolymer comprising, (i) a polystyrene block and (ii) a polydiene block or a hydrogenated polydiene block, said polydiene block or hydrogenated polydiene block being modified with an average of one or more carboxyl groups; and (b) a polymer comprising a polymerization reaction product of two or more mono-ethylenically unsaturated monomers in which: (i) at least one of the monomers is an acrylic or methacrylic acid ester of a non-tertiary alcohol having 1 to 14 carbon atoms, inclusive, and (ii) at least one of the monomers is a nitrogen-containing monomer, and a method of using the polymer blend.

L'invention concerne un mélange polymère contenant: (a) un copolymère bloc modifié comprenant (I) un bloc polystyrène et (ii) un bloc polydiène ou un bloc polydiène hydrogéné, lesquels sont modifiés avec, en moyenne, un ou plusieurs groupes carboxyle; et (b) un polymère comprenant un produit de réaction de polymérisation d'au moins deux monomères mono-éthyléniquement insaturés dans lesquels (i) au moins un des monomères est un ester d'acide acrylique ou méthacrylique et un alcool non tertiaire comprenant 1 à 14 atomes de carbone et (ii) au moins un des monomères est un monomère contenant de l'azote. L'invention porte également sur un procédé d'utilisation dudit mélange polymère.

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