Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1985-08-06
1988-05-03
Ziegler, Jacob
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525242, 525244, 525905, C08L 7104
Patent
active
047421150
ABSTRACT:
A heat resistant thermoplastic resin composition comprising (a) 5 to 99% by weight of a poly(phenylene ether), (b) 95 to 1% by weight of a thermoplastic resin which is obtained by polymerizing in the absence of a rubber-like polymer a resin constituent mixture comprising an aromatic alkenyl compound, an alkenyl cyanide compound, and, if necessary, other alkenyl monomers copolymerizable with said monomers, and (c) up to 94% by weight of other styrenic resins, said thermoplastic resin (b) comprising (A) 1-50% by weight of a polymer having an alkenyl cyanide compound content of 1% by weight or more but less than 10% by weight, (B) 1-70% by weight of a polymer having an alkenyl cyanide compound content of 10% by weight or more but less than 20% by weight, (C) 5-90% by weight of a polymer having an alkenyl cyanide compound content of 20% by weight or more but less than 40% by weight, and (D) up to 70% by weight of a polymer having an alkenyl cyanide compound content of 40% by weight or more, and having a total alkenyl cyanide compound content of 10 to 40% by weight and an intrinsic viscosity of preferably 0.1- 1.5 dl/g as measured in methyl ethyl ketone at 30.degree. C. The above thermoplastic resin composition is excellent in not only heat resistance but also impact resistance, thermal stability, painting, and surface gloss of molded article.
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Abe Mitsuo
Katsuki Nobuyuki
Kimura Shin-ichi
Mawatari Masaaki
Tsuchikawa Syuji
Japan Synthetic Rubber Co. Ltd.
Ziegler Jacob
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