【摘要】 介绍了Ｎ１２１型紫外光固化测试仪的原理及应用。仪器跟踪测试固化体系，涂层硬度在给定条件下随光固化时间变化的轨迹，直接反映光固化反应的动力学进程。本文以丙烯酸聚氨酯型光固化体系为样品，简介该仪器的操作及应用。更多还原

【Abstract】 Abstract The Principles and applications of N 121 UVcurelester were introduced, which can trace thechanges of the hardness of the UV curing coatingfilm with the curing process to indicate the kineticprocess of UV curing reactions. A acrylicpolyurethane UV curing system is taken as the exam-ple. The operation and application of the tester wasdeseribed.更多还原