Flame retardant flexibilized polyphenylene ether compositions

Details Flame retardant flexibilized polyphenylene ether compositions Flame retardant flexibilized polyphenylene ether compositions

1987-11-09

1993-04-27

Ziegler, Jacob

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

525 92, 525905, C08K 5521, C08K 5523, C08L 5307, C08L 7112

Patent

active

052062767

ABSTRACT:
There are provided flame retardant, flexibilized thermoplastic compositions which comprise, in admixture, a normally flammable polyphenylene ether resin, an aromatic phosphate plasticizer in an amount at least sufficient to provide a flame retardant, flexibilized composition after molding, and a thermoplastic elastomer comprising a block copolymer of a vinyl aromatic compound and a diene monomer. Preferred features comprise such compositions which also include a halogenated hydrocarbon, alumina trihydrate and/or elemental red phosphorus.

REFERENCES:
patent: 3563939 (1971-02-01), Stevens et al.
patent: 3639506 (1972-02-01), Haaf
patent: 3639508 (1972-02-01), Kambour
patent: 3660531, Lauchlan et al.
patent: 3723383 (1973-03-01), Cyba
patent: 3887646 (1975-06-01), Yonemitsu et al.
patent: 4002701 (1977-01-01), Katchman
patent: 4332714 (1982-06-01), Haaf

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