Thermosettable polymers

Details Thermosettable polymers Thermosettable polymers

C - Chemistry, Metallurgy

08

G

402/46, 400/7350

C08G 14/12 (2006.01) C08G 16/02 (2006.01) C08G 16/04 (2006.01) C08J 5/24 (2006.01)

Patent

CA 1231793

Abstract of the Disclosure Heat resistant thermosetting prepolymers are prepared by reacting one or more methylated pyridines or pyrazines with one or more aromatic dialdehydes, and isopropenyl phenols. The prepolymers can be further reacted with bismaleimides to make prepolymers with lower cure temperatures and faster cure rates. The total number of methyl groups on the pyridine or pyrazine can vary from 2 to 4. The prepolymers are cured to produce heat resistant polymers and laminates with conventional fibers such as carbon fibers.

481327

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