| abstract |
The present invention relates to a kind of compositions, described compositions comprises following components: (A) at least one lactams；(B) at least one catalyst；(C) activator, described activator is selected from isocyanates, anhydride, acyl halide, described material and the product of (A) and mixture thereof；(D) at least one non-functionalized rubber, it does not comprise any containing heteroatomic functional group；And (E) at least one hydroxy-end capped rubber. |