Ductile and transparent thermoplastic compositions...

Details Ductile and transparent thermoplastic compositions... Ductile and transparent thermoplastic compositions...

C - Chemistry, Metallurgy

08

L

C08L 33/12 (2006.01) C08L 25/14 (2006.01)

Patent

CA 2503222

The invention concerns transparent materials having good impact resistance, a high modulus and good heat resistance. The inventive materials comprise an amorphous matrix, preferably based on styrene/methyl methacrylate statistic copolymer whether impact-reinforced or not with a standard additive, and a block copolymer having at least an elastomer block and at least a block partly or entirely compatible with the amorphous matrix.

Cette invention se rapporte aux matériaux transparents ayant une bonne résistance aux chocs, un haut module et une bonne tenue thermique. Les matériaux de l~invention comprennent une matrice amorphe, préférentiellement à base de copolymère statistique styrène/méthacrylate de méthyle renforcée ou non aux chocs par un additif classique, et d~un copolymère à blocs ayant au moins un bloc élastomère et au moins un bloc partiellement ou entièrement compatible avec la matrice amorphe.

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