Process for the preparation of N-(hydroxyphenyl)malemide copolym

Details Process for the preparation of N-(hydroxyphenyl)malemide copolym Process for the preparation of N-(hydroxyphenyl)malemide copolym

1986-12-24

1988-04-26

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...

525380, 525384, 526262, 528322, C08F 830

Patent

active

047405619

ABSTRACT:
A process for the preparation of an N-(hydroxyphenyl)-5 maleimide copolymer having the following repeating units: ##STR1## wherein R.sup.1 is hydrogen, an aryl group, an alkyl group having 1-16 carbon atoms or a cycloalkyl group; R.sup.2 is hydrogen or a lower alkyl group having 1-5 carbon atoms; R.sup.3 is a halogen atom or a lower alkyl group having 1-5 carbon atoms; l, m and n are numbers satisfying conditions of 0.01<n/(l+m).ltoreq.10 and 0.1<l/(l+m).ltoreq.1; and p is an integer of 0-4, comprising reaction of a copolymer of maleic anhydride and an unsaturated hydrocarbon and an aminophenol in an organic solvent.

REFERENCES:
patent: 4065435 (1977-12-01), Sakaguchi et al.

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