Curable compositions based on aromatic bismaleimides

Details Curable compositions based on aromatic bismaleimides Curable compositions based on aromatic bismaleimides

C - Chemistry, Metallurgy

08

F

402/297, 402/38

C08F 216/36 (2006.01) C08F 222/40 (2006.01) C08G 73/12 (2006.01)

Patent

CA 2010907

K-17472/1+2/= Abstract Curable compositions based on aromatic bismaleimides Curable compositions comprising (a) an aromatic bismaleimide of formula Image (I), wherein R1 and R2 are identical or different and each is C1-C4alkyl, and R3 and R4 are each independently of the other a hydrogen or halogen atom, or a mixture of an aromatic bismaleimide of formula I and N,N'-4,4'-methylenebis(phenylmaleimide), (b) an alkenyl phenol, an alkenyl phenol ether or a mixture thereof, with the proviso that the alkenyl moiety contains at least 3 carbon atoms, are readily processable, well suited for the fabrication or prepregs or fibre-reinforced composites, and give mouldings having excellent ultimate strength.

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