Rare Earth Complexes [Ln(EDBP)2(DME)Na(DME)3] as CATALYSTS for the polymerization of 2,2-Dimethyltrimethylene carbonate

Dong Xiang; Jian-fang Yu; Wei-lin Sun

doi:10.1007/s10118-011-1041-y

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Rare Earth Complexes [Ln(EDBP)2(DME)Na(DME)3] as CATALYSTS for the polymerization of 2,2-Dimethyltrimethylene carbonate

Note | Updated：2021-06-21

- Rare Earth Complexes [Ln(EDBP)2(DME)Na(DME)3] as CATALYSTS for the polymerization of 2,2-Dimethyltrimethylene carbonate
- RARE EARTH COMPLEXES [Ln(EDBP)₂(DME)Na(DME)₃] AS CATALYSTS FOR THE POLYMERIZATION OF 2,2-DIMETHYLTRIMETHYLENE CARBONATE
- Chinese Journal of Polymer Science 2011年29卷第3期页码：296-299
- Affiliations：
  
  1.Key Laboratory of Macromolecule Synthesis and Functionalization, Ministry of Education Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
- Author bio：
  
  **Wei-lin Sun (孙维林), E-mail: opl_sunwl@emb.zju.edu.cn
- Funds：
  
  National Natural Science Foundation(20674071);Special Funds for Major State Basic Research Projects(2005CB623802)
- DOI：10.1007/s10118-011-1041-y
  中图分类号：
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Dong Xiang, Jian-fang Yu, Wei-lin Sun. Rare Earth Complexes [Ln(EDBP)2(DME)Na(DME)3] as CATALYSTS for the polymerization of 2,2-Dimethyltrimethylene carbonate[J]. Chinese Journal of Polymer Science, 2011,29(3):296-299.

Dong Xiang, Jian-fang Yu, Wei-lin Sun. RARE EARTH COMPLEXES [Ln(EDBP)₂(DME)Na(DME)₃] AS CATALYSTS FOR THE POLYMERIZATION OF 2,2-DIMETHYLTRIMETHYLENE CARBONATE[J]. Chinese Journal of Polymer Science, 2011,29(3):296-299.
Dong Xiang, Jian-fang Yu, Wei-lin Sun. Rare Earth Complexes [Ln(EDBP)2(DME)Na(DME)3] as CATALYSTS for the polymerization of 2,2-Dimethyltrimethylene carbonate[J]. Chinese Journal of Polymer Science, 2011,29(3):296-299. DOI： 10.1007/s10118-011-1041-y.

Dong Xiang, Jian-fang Yu, Wei-lin Sun. RARE EARTH COMPLEXES [Ln(EDBP)₂(DME)Na(DME)₃] AS CATALYSTS FOR THE POLYMERIZATION OF 2,2-DIMETHYLTRIMETHYLENE CARBONATE[J]. Chinese Journal of Polymer Science, 2011,29(3):296-299. DOI： 10.1007/s10118-011-1041-y.

摘要

Abstract

The biphenol based discrete ion-pair rare earth complexes, [Ln(EDBP),2,(DME)Na(DME),3,] [Ln = Er ,(1), Yb,(2), Sm,(3),], were prepared and used as catalysts for the ring-opening polymerization (ROP) of 2,2-dimethyltrimethylene carbonate (DTC). Three complexes show moderate activities for the polymerization, and the catalytic activities increase in the following sequence: (Yb ,<, Er ,<, Sm). The effect of different ratios of [DTC]/[Ln], polymerization temperature and time on the polymerization was investigated. Moreover, PDTC without ether unit developed from possible CO,2, elimination was prepared.

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Keywords

BiphenolRing-opening polymerization22-Dimethyltrimethylene carbonate

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