| 摘要 |
Bisimide resins having improved fracture toughness and resistance to microcracking comprise a mixture of, (a) a 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) a polyisocyanate of the general formula (II) D(NCO)x (II) in which x has a value of between 2 and 4 and D stands for an x-valent radical .
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