Polyphenylene ether compositions containing rubber modified poly

Details Polyphenylene ether compositions containing rubber modified poly Polyphenylene ether compositions containing rubber modified poly

1977-06-23

1978-12-05

Seccuro, Carman J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260897R, 260897C, C08L 5104

Patent

active

041286022

ABSTRACT:
There are provided high impact strength thermoplastic compositions comprising a polyphenylene ether and a polystyrene resin and rubber of a rubber modified polystryene resin. The compositions include a dispersed elastomeric phase with the dispersed particles having a maximum mean diameter of 2 microns and preferably from about 0.5 to 2 microns. The small elastomeric particles provide molded articles with substantial and unexpected improvements in impact resistance, surface appearance and resistance to aggressive solvent systems in comparison with known compositions having dispersed elastomeric particles of larger than 2 microns in diameter.

REFERENCES:
patent: 3383435 (1968-05-01), Cizek
patent: 3487127 (1969-12-01), Erchak et al.
patent: 3511895 (1970-05-01), Kydonieus et al.

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