Preparation of impact-resistant poly(alkyl)styrene

C - Chemistry – Metallurgy – 08 – F

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C08F 279/02 (2006.01) C08F 212/06 (2006.01)

Patent

CA 1272844

ABSTRACT OF THE DISCLOSURE Disclosed is a process for preparing impact-resistant translucent rubber-modified polystyrene and/or poly(alkyl)styrene, wherein a reaction batch consisting of styrene, ring-alkylated styrene, sidechain-alkylated styrene and/or mixture thereof is polymerized in the presence of an elastomeric polymer containing thiol groups. This process makes it possible, on the one hand, to prepare translucent impact-resistant polystyrenes or polyalkylstyrenes using rubbers based on polybutadiene and, on the other hand, to prepare non-translucent products having improved properties.

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