Highly transparent, mechanically strong, recyclable, and flame-retardant vanillin-modified poly(urethane-urea) elastomers via dynamic oxime-urethane bonds and hydrogen bonds - Hongliang Ding; Lu Liu; Chuanshen Wang; Na Sun; Lini Wu; Bicheng Lin; Keqing Zhou; Wei Zhang; Xiaodong Qian; Conglin Shi; Bin Yu (Chemical Engineering Journal, 2025)