Compositions comprising copolymers of a vinyl aromatic compound

Details Compositions comprising copolymers of a vinyl aromatic compound Compositions comprising copolymers of a vinyl aromatic compound

1984-09-21

1987-04-28

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...

525 74, 525905, C08L 6104

Patent

active

046615601

ABSTRACT:
Thermoplastic molding compositions are disclosed which comprise an intimate admixture of (a) a copolymer of a vinyl aromatic compound and an .alpha.,.beta.-unsaturated cyclic anhydride, including rubber-modified copolymers thereof, and (b) impact modifiers comprising graft copolymers, copolyesters, and rubber-modified homopolymers. Optionally, the compositions can also include a polyphenylene ether resin and further, optionally, a normally liquid polybutadiene oligomer. Mixing (a) with a polyphenylene ether leads to a compatible composition, markedly improved in heat deflection temperature.

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patent: 4404321 (1983-09-01), Abolins et al.

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