Blends comprising a syndiotactic polystyrene and a polyphenylene

Details Blends comprising a syndiotactic polystyrene and a polyphenylene Blends comprising a syndiotactic polystyrene and a polyphenylene

1998-04-13

2000-02-29

Wilson, Donald R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 79, 525905, 524494, 524504, 524505, C08L 5302, C08L 5106, C08K 300

Patent

active

060310499

ABSTRACT:
Disclosed is a syndiotactic, polystyrenic resin composition comprising (A) 100 parts by weight of a component composed of (a) from 10 to 98% by weight of a styrene-based polymer having a syndiotactic configuration and (b) from 2 to 90% by weight of a polyolefin, (B) from 0.5 to 50 parts by weight of a block or graft styrene-olefin copolymer having a styrene content of from 40 to 85% by "weight, and (C) from 0.5 to 10.0 parts, relative to 100 parts by weight of component (a) of (A), of a polyphenylene ether. The ". composition can be formed into articles having good heat resistance, a high modulus of elasticity and good toughness. In addition, the articles are advantageous in that their surface layers are hardly peeled.

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