Process for preparing graft and block copolymers of polyphenylen

Details Process for preparing graft and block copolymers of polyphenylen Process for preparing graft and block copolymers of polyphenylen

1989-12-04

1992-06-23

Ziegler, Jacob

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

Synthetic resins

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

525152, 525394, 525905, C08L 6700, C08L 7112

Patent

active

051244110

ABSTRACT:
A process of forming block and/or graft copolymers of a polyester and a polyphenylene oxide which comprises heating a mixture of the polyester and the polyphenylene oxide in the presence of a phosphite compound.

REFERENCES:
patent: 3379792 (1965-08-01), Finholt et al.
patent: 4315086 (1980-07-01), Ueno et al.
patent: 4325086 (1980-04-01), Sato et al.
patent: 4338421 (1980-07-01), Maruyama et al.
patent: 4417031 (1983-11-01), Aharoni et al.
patent: 4654405 (1987-03-01), Jalbert et al.
patent: 4672086 (1987-06-01), Seiler et al.
S. M. Aharoni, "Rapid High Temperature Amidation in Presence of Organic Phosphits", Polymer Bull. 10, (1983) 210-214.

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