Method for imidizing an alkyl methacrylate polymer

Details Method for imidizing an alkyl methacrylate polymer Method for imidizing an alkyl methacrylate polymer

1991-02-01

1992-05-05

Lipman, Bernard

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

Synthetic resins

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

5253295, 5253299, 5253305, 525379, C08F 832

Patent

active

051108771

ABSTRACT:
In a process for imidizing an alkyl methacrylate polymer by reaction with a nitrogen-containing imidizing agent, the formation of carboxyl and anhydride groups is suppressed when a portion of the imidizing agent is added only after the previously added imidizing agent has been reacted at least partially, and particularly when the reaction with the imidizing agent is terminated before the polymer has been completely imidized.

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patent: 5045604 (1991-09-01), Maurer

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