CJCU
Syntheses and Properties of High Performance Poly(Aryl Ether Ether Ketone) Copolymers——Copolycondensatlon of Hydroquinone, 4,4'-DiphenoI and 4,4'-Difluorobenzophenone
ZHANG Wan-Jin, JI Xiang-Ling, YUAN Jing, NA Hui, WANG Jun-Zuo, WU Zhong-Wen
Chem. J. Chinese Universities . 1993, (5): 738 -740 .