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Citation: Zhang Yifeng, Shen Zhiquan, Zheng Ronghua, Chen Xianhai. POLYMERIZATION OF EPICHLOROHYDRIN BY YTTRIUM ACETYLACETONATE[J]. Chinese Journal of Applied Chemistry, ;1992, 9(3): 76-78. shu

POLYMERIZATION OF EPICHLOROHYDRIN BY YTTRIUM ACETYLACETONATE

1.
Department of Chemistry Zhejiang University, Hangzhou 310027

Corresponding author: Zhang Yifeng,
Received Date: 10 June 1991
Available Online: 16 September 1991
Fund Project:

Y(acae)₃-H₂O-Al(i-Bu)₃ was used for homopolymerization of epichlorohydrin(ECH) and copolymerization of ECH with propylene oxide(PO) or ethylene oxide(EO). The molecular weight distribution of PECH determined by GPC showed that the number of the active species in the catalyst depends on the method of catalyst preparation. For copolymerization the monomer reactivity ratios obtained by NMR as follows:2.08/0.21 for PO/ECH, 11.9/0.21 for EO/ECH.
- yttrium acetylacetonate,
- epichlorohydrin,
- propylene oxide,
- ethylene oxide polymerization,
- copolymerization,
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