Process for modification of polyphenylene ether or related polym

Details Process for modification of polyphenylene ether or related polym Process for modification of polyphenylene ether or related polym

1992-09-14

1994-05-10

Anderson, Harold D.

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

Synthetic resins

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

525392, 525397, 526 89, 526201, 526203, C08G 6548

Patent

active

053108205

ABSTRACT:
Process for the manufacture of modified polyphenylene ether or structurally related polymers, comprising the reaction of polyphenylene ether or structurally related polymer with a cyclic acid anhydride, in the presence of a non nucleophilic base, and in an inert polar organic solvent and preferably in a vinyl substituted aromatic monomer as solvent; modified polyphenylene ethers so obtained and use of them for the manufacture of modified high temperature rigid poly(vinyl substituted aromatic) polymer compositions.

REFERENCES:
patent: 3862263 (1975-01-01), Maruta et al.
patent: 4048143 (1977-09-01), Hay et al.
patent: 4156773 (1979-05-01), Loucks et al.
patent: 4189417 (1980-02-01), Goossens
patent: 4287321 (1981-09-01), Olander
patent: 4743661 (1988-05-01), Mitulla et al.

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