Characterization and Chain Structure of PEG/PBT Copolymer with the Constant Mass Ratio of Soft to Hard Segment
ZHANG Yong, YE Ling, FENG Zeng-Guo, ZHANG Ai-Ying, TIAN Xiao-Juan, XU Rui-Xing
Chem. J. Chinese Universities . 2002, (10): 1982 -1987 .