| 摘要 |
A composition comprising (a) a diglycidyl ether of the formula <CHEM> in which each R is selected from alkaryl, cycloalkyl, aromatic, heterocyclic, -SO2-, -O-, and -S-, and each R' is independently selected from H, lower alkyl and halide; (b) a normally liquid elastomeric polydiene comprising carboxyl and/or amine groups and having a molecular weight of from 2000 to 10000, (c) a polyaromatic polyamine curing agent for the diglycidyl ether, present in a stoichiometric excess, with respect to the diglycidyl ether, of at least 10 per cent. (
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