A series of photochromic compounds linked to a benzophenone nucleus were synthetized and evaluated regarding their ability to act as Norrish type II radical photoinitiators, promoting the polymerization of a polyacrylate monomer after the consecutive absorption of LED UV and Vis light.

中文翻译：

---

基于光致变色分子的可见光自由基聚合光引发剂

合成了一系列与二苯甲酮核相连的光致变色化合物，并评估了它们作为 Norrish II 型自由基光引发剂的能力，在连续吸收 LED 紫外光和可见光后促进聚丙烯酸酯单体的聚合。