Impact modifier for thermoplastic resin and resin...

Details Impact modifier for thermoplastic resin and resin... Impact modifier for thermoplastic resin and resin...

C - Chemistry, Metallurgy

08

L

C08L 101/00 (2006.01) C08F 265/04 (2006.01) C08F 265/06 (2006.01) C08L 51/04 (2006.01) C08L 51/06 (2006.01) C08L 55/02 (2006.01)

Patent

CA 2437701

An impact modifier comprising a rubber-modified resin which is obtained by polymerizing a vinyl monomer in the presence of acrylic rubber particles while causing the polymer particles to aggregate and enlarge during the polymerization and which has a toluene insoluble content of 70 wt.% or higher. Incorporating the modifier into various thermoplastic resins gives thermoplastic resin compositions with excellent impact resistance.

La présente invention concerne un élément de modification d'impact comprenant une résine modifiée au caoutchouc qui est préparée par polymérisation d'un monomère vinylique en la présence de particules de caoutchouc acrylique tout en provoquant l'agrégation des particules polymères et leur grossissement durant la polymérisation, et ayant une teneur en toluène insoluble d'au moins 70 % en poids. L'incorporation de l'élément de modification à différentes résines thermoplastiques permet d'obtenir des compositions de résine thermoplastique ayant une excellente résistance à l'impact.

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