C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 25/08 (2006.01) C08F 255/02 (2006.01) C08F 255/04 (2006.01) C08F 255/08 (2006.01) C08F 297/02 (2006.01) C08K 7/14 (2006.01) C08L 25/12 (2006.01) C08L 33/24 (2006.01) C08L 51/04 (2006.01) C08L 51/06 (2006.01) C08L 55/02 (2006.01)
Patent
CA 2110285
The present invention is directed to a glass fiber-reinforced thermoplastic resin composition comprising (A) 10 to 60 % by weight of a terpolymer which comprises N-phenylmaleimide, styrene and acrylonitrile, (B) 5 to 20 % by weight of a graft polymer which comprises at least one rubber selected from the group consisting of a conjugated diene rubber, an ethylene-propylene rubber and an ethylene- butylene rubber comprising ethylene and butylene, to which rubber styrene and acrylonitrile are graft polymerized, (C) 10 to 80 % by weight of a copolymer which comprises styrene and acrylonitrile, and (D) 5 to 35 % by weight of glass fiber, wherein (a) the terpolymer has an intrinsic viscosity of 0.20 to 0.70, (b) the copolymer has an intrinsic viscosity of 0.40 to 1.00, (c) the intrinsic viscosity of the terpolymer is equal to or smaller than that of the copolymer, and (d) the styrene content in the copolymer minus the styrene content in the terpolymer is from + 20 to -5. This resin composition has an excellent balance between processability and tapping strength, and heat resistance.
Hirai Mikio
Jagawa Yasutoshi
Nishio Takeyoshi
Ogura Kiyoshi
Kirby Eades Gale Baker
Sumitomo Dow Limited
Toyota Jidosha Kabushiki Kaisha
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