| 摘要 |
<p>A thermosetting resinous composition which consists essentially of (A) at least one polyepoxide compound having 2 to 6 epoxide groups, (B) at least one polyisocyanate compound having 2 to 6 isocyanate or blocked isocyanate groups, and (C) at least one catalyst selected from the group consisting of complex of organotinhalide with onium salt, complex of organotinhalide with hexamethylphosphoramide, complex of stibonium salt with zinc halide and complex of lithium halide with hexamethylphosphoramide, the equivalent ratio of isocyanate group and epoxide group being 1:2 to 2:1. Such resinous composition if useful for forming a cured coating and also for heat resisting molded products.</p> |
