Compositions comprising polyphenylene ether and rubber modified

Details Compositions comprising polyphenylene ether and rubber modified Compositions comprising polyphenylene ether and rubber modified

1977-06-23

1978-12-05

Seccuro, Carman J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C08L 5104

Patent

active

041286030

ABSTRACT:
There are provided high impact strength thermoplastic compositions comprising a polyphenylene ether and a rubber modified polystyrene resin having not less than 22% by weight of a dispersed elastomeric gel phase. Such elastomeric particles, when dispersed in a martrix of polyphenylene ether and polystyrene, provide molded articles with substantial and unexpected improvements in impact resistance, surface appearance and resistance to aggressive solvent systems in comparison with known compositions made from rubber modified polystyrenes having dispersed elastomeric gel contents of less than 21% by weight.

REFERENCES:
patent: 3383435 (1968-05-01), Cizek
patent: 3487127 (1969-12-01), Erchak et al.

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