Effects of combined azodicarbonamide and supercritical N2 foaming injection molding on cellular structure and mechanical properties of lightweight polypropylene products. - Yu, Shengrui; Hua, Haitao; Xu, Lei; Zhang, Tianyu; He, Linan; Li, Qingzhou; Chen, Fei; Li, Haodong; Yu, Min; Han, Wen; Zeng, Lanyu; Zhou, Huamin (Polymer Engineering & Science, 2025)