Preparation of long⁃chain⁃branched poly(ethylene terephthalate) and its foaming properties by supercritical CO2 extrusion
FENG Yingjian, HU Dongdong, WEI Shaolong, QIAN Jun, XIONG Wei, YAO Shun, ZHAO Ling
China Plastics . 2023, (11): 1 -9 .  DOI: 10.19491/j.issn.1001-9278.2023.11.001