| 摘要 |
Disclosed is cyclic urea derivatives represented by the following formula (A): <IMAGE> (A) wherein n is an integer of 0 or 1; m is an integer of 1 to 15; X is oxygen, sulfur or -NR1- (R1 is hydrogen or an alkyl group having 1 to 5 carbon atoms); R is an alkyl-, cycloalkyl -, aryl-, aralkyl-, alkaryl- and glycidyl group having 1 to 27 carbon atoms, or an alkyl-, cycloalkyl-, aryl-, aralkyl- and alkaryl group containing at least one <IMAGE> O, S and N and having 1 to 27 carbon atoms with a molecular weight of 15 to 500, said groups substituted by glycidyl-, hydroxylic-, nitro groups, halogens, cyano-, formyl- or amino groups, or polyester-, polyether-, polyurethane and polyamide groups having a molecular weight of 500 to 100,000.
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