Imide prepolymer composition comprising unsaturated bis...

C - Chemistry – Metallurgy – 07 – D

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402/219, 260/306

C07D 207/452 (2006.01) C08G 73/12 (2006.01) H05K 1/03 (2006.01) H05K 3/38 (2006.01)

Patent

CA 1338935

The imide prepolymer compositions of the present invention, which contain the unsaturated component (A) and diamine component (B) at the (A)/(B) molar ratio of 0.9-1.5 and 0.01-5.0% by weight, based on the sum of said components (A) and (B), of at least one compound selected from the group consisting of radical polymerization inhibitors, carboxylic acids and acid anhydrides. The imide prepolymer compositions of the present invention are tough and have excellent adhesive strength to glass cloths and metals and heat resistance.

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