Process for preparation of modified polyphenylene ether or relat

Details Process for preparation of modified polyphenylene ether or relat Process for preparation of modified polyphenylene ether or relat

1992-09-30

1994-04-19

Seidleck, James J.

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

Synthetic resins

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

521 81, 525390, 525392, 525905, C08L 7112

Patent

active

053046005

ABSTRACT:
Process for the manufacture of modified polyphenyl ether or structurally related polymers comprising the reaction of said compound with a para substituted phenylsulphonyl halide, in the presence of a substituted pyridine derivative as catalyst and an acid neutralizing agent, and in a vinyl substituted aromatic monomer as solvent; modified polyphenylene ethers or structurally related polymers so obtained and use of them for the manufacture of modified high temperature rigid poly(vinyl substituted aromatic) polymer compositions.

REFERENCES:
patent: 4048143 (1977-09-01), Hay et al.
patent: 4148843 (1979-04-01), Goossens
patent: 4189417 (1980-02-01), Goossens
patent: 4782098 (1988-11-01), Allen et al.
patent: 4833167 (1989-05-01), Christensen et al.
patent: 5079268 (1992-01-01), Nelissen et al.

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