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Citation: Chen Zhongxiao, Wei Xuerong, Zhang Tiankun, Zhang Qingyu Changchun. SYNTHESIS AND CHARACTERIZATION OF TELECHELIC LIQUID POLYMERS AND THEIR MULTIPHASE COPOLYMERS Ⅰ.Synthesis of Carboxyl-Vinylene-Terminated Tetrahydrofuranpropylene Oxide Liquid Copolymer[J]. Chinese Journal of Applied Chemistry, ;1984, 1(2): 7-12. shu

SYNTHESIS AND CHARACTERIZATION OF TELECHELIC LIQUID POLYMERS AND THEIR MULTIPHASE COPOLYMERS Ⅰ.Synthesis of Carboxyl-Vinylene-Terminated Tetrahydrofuranpropylene Oxide Liquid Copolymer

1.
Changchun Insitute of Applied Chemistry, Academia Sinica

Received Date: 26 January 1984
Available Online: 8 February 1984
Fund Project:

The esterifications of hydroxy——terminated liquid polymers, such as liquid tetrahydrofuran——propylene oxide copolymer,with maleic anhydride were investigated and carboxyl-vinylene-terminated liquid copolymers were obtained. Under certain conditions,such as reaction temperature,feed ratio and with suitable catalysts, 100% conversion of terminal groups has been achie-ved. The degree of terminal group conversion and the structure of the po-lymers were determined by chemical titration,IR and ¹H-NMR, respecti-vely.
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