The invention provides impression materials for use in dentistry comprising the reaction product of (a) a diisocyanate or triisocyanate, (b) a dihydroxy compound having a molecular weight of from 300 to 10,000 and (c) an unsaturated monohydroxy compound. The invention also includes processes for preparing said impression materials.
本发明提供了用于牙科的印模材料,其包括以下反应产物:(a) 二
异氰酸酯或三
异氰酸酯,(b) 分子量在300到10,000之间的二羟基化合物,以及(c) 不饱和单羟基化合物。本发明还包括制备上述印模材料的方法。