Effect of CaCl2 on solution properties of poly(3,3’-diphenylsulfone terephthalamide)in DMF
YU Youxia, XIA Xiaolin, CHEN Shenghui, WANG Xiaofeng, WANG Huaping, ZHANG Yumei
CIESC Journal . 2013, (9): 3446 -3453 .  DOI: 10.3969/j.issn.0438-1157.2013.09.049