Flame-retardant composition of polyphenylene ether, polystyrene

Details Flame-retardant composition of polyphenylene ether, polystyrene Flame-retardant composition of polyphenylene ether, polystyrene

1981-01-19

1982-09-21

Lieberman, Paul

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525150, 525905, C08L 7104, C08L 8502

Patent

active

043507930

ABSTRACT:
A flame-retardant composition comprising a polyphenylene ether and a polystyrene resin in a weight ratio of between 4:1 to 1:4 in admixture with an aromatic thermoplastic polyphonate having a number average molecular weight of 4,000 to 80,000, said thermoplastic polyphosphonate being present in an amount of 1 to 20 parts by weight per 100 parts by weight of the total mixture.

REFERENCES:
patent: 3326852 (1967-06-01), Thomas
patent: 3383435 (1968-05-01), Cizek
patent: 3952072 (1976-04-01), Yonemitsu
patent: 3960808 (1976-06-01), Katchman

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