| 摘要 |
There are described novel imidazolides (N-acylimidazoles) of the formula I <IMAGE> (I) wherein R1 is methyl, ethyl or isopropyl, R2, R3 and R4 independently of one another are each hydrogen, methyl, ethyl or isopropyl, with the proviso that R2 is hydrogen only when R1 is isopropyl, R5, R6 and R7 independently of one another are each hydrogen, methyl, ethyl or isopropyl, or phenyl which is unsubstituted or substituted by methyl or ethyl groups, with the proviso that at least one of the symbols R5, R6 and R7 is phenyl which is unsubstituted or substituted according to definition. The imidazolides (I) are suitable as curing agents for polyepoxide compounds.
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