Composition comprising a vinylaromatic polymer and a rubber...

Details Composition comprising a vinylaromatic polymer and a rubber... Composition comprising a vinylaromatic polymer and a rubber...

C - Chemistry, Metallurgy

08

L

C08L 25/06 (2006.01) C08F 279/02 (2006.01) C08L 9/00 (2006.01) C08L 47/00 (2006.01)

Patent

CA 2151819

High shock resistant polymers comprising a vinylaromatic polymer and a rubber, and method of production. The compositions are obtained using two polybutadienes whose viscosities, measured at 25 ~C at 5 % by weight in the styrene, are 120 to 350 centipoises and 30 to 90 centipoises respectively.

L'invention concerne des compositions de polymères à haute résistance au choc comprenant un polymère vinylaromatique et un caoutchouc, ainsi que leur procédé de fabrication. Ces compositions sont obtenues grâce à l'utilisation de deux polybutadiènes dont les viscosités sont, mesurées à 25 ·C à 5 % dans le styrène, respectivement comprises entre 120 et 350 centipoises pour l'un et comprises entre 30 à 90 centipoises pour l'autre.

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