Carboxy-functionalized polyphenylene ethers and blends containin

Details Carboxy-functionalized polyphenylene ethers and blends containin Carboxy-functionalized polyphenylene ethers and blends containin

1998-06-11

2000-05-16

Short, Patricia A.

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

Synthetic resins

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

528206, 528218, C08G 6548

Patent

active

060638753

ABSTRACT:
Carboxy-functionalized polyphenylene ethers containing structural units with a carboxyalkyl group in the 2-position are prepared by redistribution of a polyphenylene ether with a 2-carboxyalkylphenol such as 2-(3-carboxypropyl)phenol (melilotic acid), or by oxidative coupling of a suitable phenol with such a 2-carboxyalkylphenol. The products form compatibilizing copolymers with polymers containing carboxylic acid-reactive functional groups, such as polyesters, polyamides and epoxy resins.

REFERENCES:
patent: 3367978 (1968-02-01), White
patent: 4234706 (1980-11-01), White
patent: 4859739 (1989-08-01), Yates, III
patent: 5213886 (1993-05-01), Chao et al.
patent: 5880221 (1999-03-01), Liska
"The Synthesis of 4-Hydroxyarylene Ethers by the Equilibration of Phenols with Poly(2,6Dimethyl-1,4-Phenylene Ether)", by White, J. Org. Chem., 34, 297-303 (19690.

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