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Citation: ZHANG Qun-Zheng. Polymerization of Tetrahydrofuran Initiated by Phosphotungstic Acid in the Presence of Epichlorohydrin[J]. Chinese Journal of Applied Chemistry, ;2004, 21(10): 1078-1080. shu

Polymerization of Tetrahydrofuran Initiated by Phosphotungstic Acid in the Presence of Epichlorohydrin

ZHANG Qun-Zheng ^,

1.
Institute of Chemistryand Chemical Engineering, Xi'an Petroleum University, Xi'an 710065

Corresponding author: ZHANG Qun-Zheng,
Received Date: 30 December 2003
Available Online: 10 May 2004

Polymerization of tetrahydrofuran(THF) initiated by phosphotungstic acid was carried out in the presence of epichlorohydrin(ECH). The effect of ECH content, reaction time, and water content on the polymerization have been studied. The result shows that water was the main factor influencing the yield and relative molecular weight of the polymer. Another factor was the reaction time. The ECH content mainly affects the rate of the reaction. The light irradiation mainly affects the color of the polymer. Polytetrfuran with relative molecular weight of 2 000 was obtained in yield of 73.6% at reaction condition of 0℃, 4 h, n(H₂O):n(PWA)=16.2:1.
- polytetrahydrofuran,
- ring-opening polymerization,
- epichlorohydrin,
- phosphotungstic acid
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