Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1991-11-26
1993-01-12
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524504, 524513, 525446, C08K 515, C08L 8304
Patent
active
051791447
ABSTRACT:
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 .mu.m 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 component, 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 resing 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.
REFERENCES:
patent: 4172859 (1979-10-01), Epstein
patent: 4742109 (1988-05-01), Takahashi et al.
patent: 4775712 (1988-10-01), Sasaki et al.
patent: 4918132 (1990-04-01), Hongo et al.
patent: 5102941 (1992-04-01), Yamamoto et al.
Koshirai Atsunori
Nakata Akira
Yamamoto Naoki
Yanagase Akira
Michl Paul R.
Mitsubishi Rayon Co. Ltd.
Yoon Tae H.
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