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

研究了如何提高有机类热变色材料的光牢光稳定。

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

分子内分子间氢键的存在可提高颜料的耐久、耐光耐气候牢等。