Expandable styrene polymers

Details Expandable styrene polymers Expandable styrene polymers

C - Chemistry, Metallurgy

08

J

C08J 9/16 (2006.01) C08J 9/232 (2006.01) C08L 25/04 (2006.01) C08L 51/04 (2006.01) C08L 51/06 (2006.01)

Patent

CA 2148991

The invention relates to expandable styrene polymers for elastic polystyrene foams, comprising a) from 75 to 99 % by weight of polystyrene and/or a styrene copolymer containing at least 50 % by weight of copolymerized styrene, b) from 0 to 24 % by weight of at least one styrene-soluble elastomer, c) from 1 to 25 % by weight of at least one graft copolymer having a core/shell structure, d) from 1 to 15 % by weight, based on the sum of a), b) and c), of a low-boiling blowing agent, and, if desired, e) conventional additives in effective amounts, and to foams and foam moldings produced therefrom.

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