Polyblends of thermoplastic copolyetheresters, styrene-maleic an

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525166, 525173, 525207, C08L 2514, C08L 5502, C08L 2508, C08L 2512

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active

044607415

ABSTRACT:
Molding compositions are prepared from blends of (A) a thermoplastic copolyetherester elastomer; (B) a styrene maleic anhydride polymer; (C) an ABS or MBS polymer; and (D) a nitrile rubber. Component B, the styrene maleic anhydride polymer may optionally contain a termonomer such as methyl-methacrylate or acrylonitrile and a rubber component.

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patent: 4305869 (1981-12-01), Lee
patent: 4337192 (1982-06-01), Campbell
patent: 4346195 (1982-08-01), Hornbaker

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