Moulding compositions

Details Moulding compositions Moulding compositions

C - Chemistry, Metallurgy

08

L

400/3033

C08L 53/02 (2006.01) C08L 63/10 (2006.01) C08L 67/06 (2006.01)

Patent

CA 1195026

A B S T R A C T MOULDING COMPOSITIONS The present invention is concerned with a moulding composition having improved surface appearance and impact strength and comprising an unsaturated, crosslinkable thermosetting resin, an ethylenicallly unsaturated monomer, a reinforcing agent and/or a filler and a normally solid, carboxy-containing styrene-butadiene block copolymer, prepared by contacting a monolithium terminated block copolymer with dry gaseous carbon dioxide at a temperature of from 20-100°C, a pressure of from 103-793 kPa (abs) and at a molar ratio of carbon dioxide added to lithium terminated block copolymer of from 0.75:1 to 3.0:1 and having a 1,2-vinyl content of from 30 to 40 mol percent.

426601

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