The Effect of Quaternary Ammonium Counterions on the Block Copolymerizations of α,α-Dimethyl-β-Propiolactone Initiated by Carboxy Pentanoyl End Groups
Jiang Shuojian, Hao Wenzhang, Liu Baojian, Feng Xinde
Chem. J. Chinese Universities . 1984, (4): 579 -584 .