The photo-polymerization(PPM)of triclosan under UV irradiation and effects of light sources were investigated by using LC-ESI-MS and HPLC.

• 本文采用高效液相色谱-电喷雾质谱研究了三氯生在紫外光照射下的光聚合反应,通过对产物的准分子离子分析,初步确定了7种光聚合产物。