中文摘要：

环氧树脂在粘接性、耐水性、耐热性、耐化学品性及力学性能等方面性能优越,常用于水性聚氨酯材料的改性。文章合成了环氧树脂改性的水性聚氨酯的制备方法,并着重讨论了环氧树脂的加入量对其应用于真空镀膜涂料的耐水性、耐热性和力学性能的影响。

英文摘要：

Epoxy resin with good adhesive,water resistance,heat resistance,chemical resistance and mechanical properties etc character,used for superior performance modification of waterborne polyurethane materials.The waterborne polyurethane modified by epoxy resin was prepared in the paper,and investigated to the performance of its water resistance,heat resistance and mechanical properties applied in vacuum coatings.