Compositions of new imides of unsaturated dicarboxylic acids and

Details Compositions of new imides of unsaturated dicarboxylic acids and Compositions of new imides of unsaturated dicarboxylic acids and

1973-07-20

1976-06-01

Lee, Lester L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 47CP, 26049, 260 78UA, 260 78A, 26032637, C08G 7312

Patent

active

039608123

ABSTRACT:
New bis-imides and tris-imides of the formula ##EQU1## in which A and A' denote aromatic radicals which are optionally substituted or interrupted by an oxygen atom, an alkylene group or a sulphonyl group, Z denotes a radical of the formulae ##EQU2## D denotes an oxygen atom or sulphur atom, m denotes the number 1 or 0 and n denotes the number 2 or 3, are obtained by cyclizing dicarboxylic acid monoamide compounds of the formula ##EQU3## WITH ELIMINATION OF WATER. The bis-imides and tris-imides, mixed with azomethines and optionally with curing catalysts, can be used for the manufacture of moulded materials having technically very valuable mechanical and dielectric properties.

REFERENCES:
patent: 3651012 (1972-03-01), Holub et al.
patent: 3732189 (1973-05-01), Crivello et al.
patent: 3742089 (1973-06-01), Schroeter
patent: 3766302 (1973-10-01), Holub et al.

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