Polyphenylene ether compositions resistant to environmental stre

Details Polyphenylene ether compositions resistant to environmental stre Polyphenylene ether compositions resistant to environmental stre

1989-12-21

1991-04-16

Ziegler, Jacob

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524151, 525 68, 525132, 525905, C08K 552, C08L 7112

Patent

active

050083147

ABSTRACT:
A thermoplastic blend for molding articles with resistance to environmental stress cracking and with good melt flow properties comprises a polyphenylene ether resin having a low intrinsic viscosity and a polystyrene resin having a high intrinsic viscosity. The composition can further contain an impact modifier and/or a flame retardant.

REFERENCES:
patent: 3383435 (1968-05-01), Cizek
patent: 3819761 (1974-06-01), Lee
patent: 3976725 (1976-08-01), Lee
patent: 4341879 (1982-07-01), Sugio et al.
patent: 4529761 (1985-07-01), Lohmeijer
patent: 4647594 (1987-03-01), de Munck et al.

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