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

1992-06-15

1993-06-15

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...

525 68, 525146, 525148, 525151, 525152, 525394, 525397, 525905, C08L 6900, C08L 7112

Patent

active

052199371

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 (1982-01-01), Aharoni et al.
patent: 4483953 (1984-11-01), Axelrod
patent: 4654405 (1985-12-01), Jalbert et al.
patent: 4672086 (1985-12-01), Seller et al.
patent: 5116905 (1992-05-01), Belfoure et al.
S. M. Abaroni "Rapid High Temperature Amidation in Presence of Organic Phosphits", Polymer Bull. 10, (1983) 210-214.

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