发明授权
US4317900A Isocyanatomethyl group containing urea derivatives of 3(4), 8(9)-diisocyanatomethyltricyclo [5.2.1.0.sup.2,6 ] decane, method for their production as well as their use for producing polyurethane elastomers 失效
含有3(4),8(9) - 二异氰酸甲酯三环[5.2.1.02,6]癸烷的含有脲衍生物的脲衍生物,其制备方法及其用于生产聚氨酯弹性体

Isocyanatomethyl group containing urea derivatives of 3(4),
8(9)-diisocyanatomethyltricyclo [5.2.1.0.sup.2,6 ] decane, method for
their production as well as their use for producing polyurethane
elastomers
摘要:
Urea derivatives containing isocyanatomethyl groups of 3(4), 8(9)-diisocyanatomethyltricyclo [5.2.1.0.sup.2,6 ] decane of the formulaOCN--H.sub.2 C--[R--CH.sub.2 --NH--CO--NH--CH.sub.2 ].sub.n --R--CH.sub.2 --NCO, in which R is ##STR1## and n=1-5.
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