Rubber-reinforced vinyl aromatic (co)polymer

Details Rubber-reinforced vinyl aromatic (co)polymer Rubber-reinforced vinyl aromatic (co)polymer

C - Chemistry, Metallurgy

08

L

C08L 53/02 (2006.01) C08F 279/02 (2006.01) C08F 287/00 (2006.01) C08L 9/00 (2006.01) C08L 25/02 (2006.01) C08L 25/12 (2006.01)

Patent

CA 2125534

A rubber-reinforced vinyl aromatic (co)polymer comprising a polymeric matrix and a rubber phase dispersed and/or grafted in the polymeric matrix and consisting of a mixture of(i) a diene rubber and(ii) a vinyl aromatic monomer/conjugated 1,3-diene linear block copolymer, said block copolymer having a diene content exceeding 80 wt% and, respectively, a vinyl aromatic monomer content of less than 20 wt%.

(Co)polymère vinylique aromatique renforcé de caoutchouc constitué d'une matrice polymère et d'une phase de caoutchouc dispersée dans la matrice et/ou greffée à celle-ci, composé d'un mélange de i) un caoutchouc diénique et ii) un copolymère séquencé linéaire d'un monomère vinylique aromatique et d'un 1,3-diène conjugué, ledit copolymère séquencé ayant une teneur en diène supérieure à 80 % en poids et, respectivement, une teneur en monomère vinylique aromatique inférieure à 20 % en poids.

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