Maleimide-maleamic acid resin solution

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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4284735, 428500, 524111, 524173, 524233, 524548, 524606, 528170, 528220, 528229, 528321, 528322, 548522, 548548, C08F22606

Patent

active

048086460

ABSTRACT:
Solutions of maleimide resins comprising a mixture of bismaleimides and low but solubilizing amounts of maleamic acids are provided at high solids levels, e.g. at least about 50%. Such solutions which comprise common solvents such as acetone, methyl ethyl ketone and toluene are useful in preparing laminates based on bismaleimide resins.

REFERENCES:
patent: 3839358 (1974-10-01), Bargain
patent: 3975401 (1976-10-01), Balme
patent: 4130564 (1978-12-01), Haug et al.
patent: 4460783 (1984-07-01), Nishikawa et al.
patent: 4582883 (1986-04-01), de Koning et al.
patent: 4654407 (1987-03-01), Domeier
Harvey et al., "New Aromatic-Ether Bismaleimide Matrix Resins", ANTEC '86, p. 1311.

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