How to improve the light fastness of thermochromism materials was reported in this paper.

研究了如何提高有热变色材料的光牢度即抗化性和光稳定性。

The existence of hydrogen bond within or between the molecules of pigment can enhance the perdurability, light fastness and weather resistance.

内和氢键的存在可提高颜料的耐久性、耐光性和耐气候牢度等。