Thermoplastic composition containing a poly(methyl ethenyl benze

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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525 69, 525132, 525152, 525316, C08L 2516, C08L 7104

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active

042847338

ABSTRACT:
Thermoplastic blends having superior capability and homogeneity comprising a poly(phenylene oxide) resin and a resin of poly(methyl ethenyl benzene) isomers in which the predominant isomer is 1-methyl-4-ethenyl benzene, are disclosed. The poly(phenylene oxide) resin can contain substituted phenylene units and the poly(methyl ethenyl benzene) resin can be a polymer of solely methyl ethenyl benzene isomers, or a random, block or graft copolymer comprising 50 weight percent or more of methyl ethenyl benzene isomers and up to 50 weight percent of other ethylenically unsaturated monomers.

REFERENCES:
patent: 3383435 (1968-05-01), Cizek
patent: 3943191 (1976-03-01), Cooper et al.
patent: 3976725 (1976-08-01), Lee, Jr.
patent: 4143084 (1979-03-01), Kaeding et al.

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