| 摘要 |
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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