Molecular design and properties of a P‐N synergistic flame retardant epoxy resin curing agent. - Cheng, Hengxing; Guo, Junhong; Zhao, Tianjing; Ye, Yuan; Yang, Baoping; Cui, Jinfeng; Mu, Bo; Bao, Xuemei; Tian, Li; Zhang, Xiujun; Zhou, Yingping (Journal of Vinyl & Additive Technology, 2024)