Polymer composition and core-shell elastomer used therefor

Details Polymer composition and core-shell elastomer used therefor Polymer composition and core-shell elastomer used therefor

C - Chemistry, Metallurgy

08

F

C08F 279/02 (2006.01) C08F 285/00 (2006.01) C08G 61/08 (2006.01) C08L 33/06 (2006.01) C08L 45/00 (2006.01) C08L 51/04 (2006.01) C08L 65/00 (2006.01)

Patent

CA 2144241

A polymer composition comprising [A] a polymer selected from a copolymer of .alpha.-olefin having at least 2 carbon atoms and a specific cyclic olefin, a ring-opening polymer of said specific cyclic olefin and a hydroganted, ring-opening polymer thereof and [B] a core-shell elastomer containing 40 to 85 parts of weight of a core component which comprises a styrene-butadiene copolymer and 15 to 60 parts by weight of a shell component which comprises a copolymer of an acrylate or methacrylate having a specific cyclic structure, a monovinyl aromatic monomer, other monovinyl monomer and a plyfunctional monomer. This polymer composition is excellent in transparency and impact resistance.

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