High impact polystyrene composition

Details High impact polystyrene composition High impact polystyrene composition

C - Chemistry, Metallurgy

08

L

400/3047

C08L 9/00 (2006.01) C08K 5/14 (2006.01) C08L 25/06 (2006.01) C08L 53/02 (2006.01) C08L 21/00 (2006.01)

Patent

CA 1100669

ABSTRACT OF THE DISCLOSURE A composition comprising a mixture of a styrene polymer, a rubbery dienic polymer and a sequenced copolymer of styrene and a diene, the total styrene polymer content which includes the free polystyrene and the polystyrene present in the sequenced copolymer is between 50 and 99% by weight of the composition, the total rubber content, which include the rubbery dienic polymer and the dienic polymer present in the sequenced copolymer, is between 1 and 50% by weight of the composition, the amount of sequenced copolymer being such as to bring to the composition from 3 to 90% by weight of the total rubber in the composition. These compositions are moldable plastic materials and provide improved high impact resistance to many formed products.

263922

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