Phosphorus-derived imidazolium salts with varied oxidation states: Tailoring latency, mechanical properties, and flame retardancy in single-component epoxy resins

Jingsheng Wang, Jun Wang, Shuang Yang, Guoping Ding, Renxin Xu, Wei Liu, Jiuxiao Sun, Kaiwen Chen, Liu Duan, Jiaqi Wang, Hao Wang, Siqi Huo