Graft copolymer compositions

Details Graft copolymer compositions Graft copolymer compositions

C - Chemistry, Metallurgy

08

L

400/3036

C08L 51/06 (2006.01) C08L 21/00 (2006.01) C08L 53/00 (2006.01)

Patent

CA 2037637

Disclosed are compositions of (a) about from 60 to 95% of a graft copolymer comprising a styrene polymer grafted onto a propylene polymer material at a styrene polymer graft level of about 10-65%, and exhibiting a morphology in which the grafted styrene polymer is a dispersed phase and the propylene polymer material is the matrix phase, and (b) about from 40 to 5% of a rubber component comprising a monoalkenyl aromatic hydrocarbon-conjugated diene block copolymer, alone or in combination with a saturated or unsaturated olefin copolymer rubber. The compositions are rigid thermoplastics useful as stand-alone structural materials.

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