| 摘要 |
<p>(1) Curable bisimide resins comprise a mixture of (a) 5 to 95% of at least one bisimide of the general formula I <IMAGE> I in which B represents a divalent radical containing a carbon-carbon double bond and A is a divalent radical containing at least two carbon atoms and (b) 95 to 5% of a polyhydantoin polymer of formula II <IMAGE> II wherein R1 represents an aromatic hydrocarbon radical, R2 represents hydrogen or an alkyl group having 1 to 6 carbon atoms, R3 represents an aromatic hydrocarbon radical, an alkyl radical having 4 to 10 carbon atoms optionally interrupted by one or more oxygen or sulphur atoms, and X is an integer of from 20 to 5000.</p> |
