Compositions of polyphenylene ether resin and poly(tetra-alkylat

Details Compositions of polyphenylene ether resin and poly(tetra-alkylat Compositions of polyphenylene ether resin and poly(tetra-alkylat

1983-01-13

1985-03-26

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 67, 525 96, 525905, C08L 5300

Patent

active

045074364

ABSTRACT:
The melt viscosity of thermoplastic compositions of polyphenylene ether resin and rubber modified high impact polystyrene resin is significantly reduced by inclusion of a tetra-alkyl bisphenol polycarbonate resin. The resulting blend can be processed at lower temperatures, and, after molding, exhibits better UV color stability while retaining most important other physical properties. Both the compositions and a method of preparation are described.

REFERENCES:
patent: Re31165 (1983-03-01), Serini et al.
patent: 3933941 (1976-01-01), Yonemitsu et al.
patent: 3963804 (1976-06-01), Yonemitsu et al.
patent: 4048133 (1977-09-01), Adelmann et al.
patent: 4172103 (1979-10-01), Serini et al.
patent: 4369136 (1983-01-01), Robeson et al.

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