Thermosettable polymer or prepolymer prepared from heterocyclic

Details Thermosettable polymer or prepolymer prepared from heterocyclic Thermosettable polymer or prepolymer prepared from heterocyclic

1985-02-28

1987-08-04

Anderson, Harold D.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524606, 525417, 525419, 525422, 525436, 528322, C08G 1602

Patent

active

046846930

ABSTRACT:
Thermosettable prepolymers are prepared by reacting (A) a heterocyclic material containing one or more rings and one nitrogen atom or a mixture of such materials wherein at least one of such materials contains at least two reactive substituent groups having at least one reactive hydrogen atom attached to a carbon atom which is attached to the ring such as 2,4,6-trimethyl pyridine; with (B) a cycloaliphatic or aromatic carboxylic acid mono- or dianhydride such as phthalic anhydride. These prepolymers or resins, can be homopolymerized without coreactants or copolymerized with N,N'-bis-imides such as 1,1'-(methylenedi-4,1-phenylene)bismaleimide, to produce products, mat castings or composites having good mechanical and thermal properties.

REFERENCES:
patent: 4543388 (1985-09-01), Treybig et al.

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