C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 51/04 (2006.01) C08L 67/02 (2006.01)
Patent
CA 2056208
A polyester resin composition obtained by blending 60 to 99 parts by weight of a thermoplastic polyester resin (component A), 1 to 40 parts by weight of a polyorganosiloxane graft copolymer ( component B) of 0.08 to 0.6 µm in average particle size obtained by graft-polymerizing one or more kinds of vinyl monomer onto a compound rubber having such a structure that 1 to 99 wt.% of a polyorganosiloxane rubber component and 99 to 1 wt.% of a polyalkyl (meth)acrylate rubber compo- nent, the total amount of both the rubber components being 100 wt.%, have been inseparably entangled with each other, the total amount of the components A and B being 100 parts by weight, and 0.01 to 10 parts by weight of an organic silane compound having an epoxy group (component C). The polyester resin composition of the present invention is excellent in impact resistance, particularly impact strength at low temperatures, gives molded products having a good appearance, and also can be used under severer conditions and in a wider range than before.
Koshirai Atsunori
Nakata Akira
Yamamoto Naoki
Yanagase Akira
Gowling Lafleur Henderson Llp
Mitsubishi Rayon Co. Ltd.
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