Block polymers of polyphenylene oxide and polystyrene

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 92, C08K 5300

Patent

active

042218810

ABSTRACT:
Linear, branched and/or cross-linked block polymers of polyphenylene oxides and polystyrene are described. The polyphenylene oxide-polystyrene block polymers can be molded, calendered, or extruded as films, sheets, fibers, laminates or other useful articles of manufacture.

REFERENCES:
patent: 3573254 (1971-03-01), Factor
patent: 3700630 (1972-10-01), Hamada et al.
patent: 3703564 (1972-11-01), White
patent: 3970640 (1976-07-01), Yonemitsu et al.

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