Living Polymerization of 1, 3-Butadiene Catalyzed by Half-titanocene Complex Bearing Dibenzhydryl-substituted Aryloxide Ligand

Bo Dong; Rui Zhuang; Chun-yu Zhang; Wen-jie Zheng; He-xin Zhang; Yan-ming Hu; Guang-ping Sun; Xue-quan Zhang

doi:10.1007/s10118-017-1923-8

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Living Polymerization of 1, 3-Butadiene Catalyzed by Half-titanocene Complex Bearing Dibenzhydryl-substituted Aryloxide Ligand

Papers | Updated：2021-02-18

- Living Polymerization of 1, 3-Butadiene Catalyzed by Half-titanocene Complex Bearing Dibenzhydryl-substituted Aryloxide Ligand
- Living Polymerization of 1, 3-Butadiene Catalyzed by Half-titanocene Complex Bearing Dibenzhydryl-substituted Aryloxide Ligand
- Chinese Journal of Polymer Science 2017年35卷第6期页码：721-727
- Affiliations：
  
  a.College of Materials Science and Engineering, Jilin University, Changchun 130022, China
  b.Key Laboratory of Synthetic Rubber, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Author bio：
  
  Guang-ping Sun (孙广平), E-mail: sungp@jlu.edu.cn
  Xue-quan Zhang (张学全), E-mail: xqzhang@ciac.ac.cn
- Funds：
  
  financially supported by the National Basic Research Program of China(2015CB654700);the National Natural Science Foundation of China(U1462124);the National Key Technology R & D Program(2014BAE14B00)
- DOI：10.1007/s10118-017-1923-8
  中图分类号：
- 收稿：2016-10-30，
  
  修回：2016-11-30，
  
  录用：2016-12-20，
  
  纸质出版：2017-06-05
- Accepted：
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Bo Dong, Rui Zhuang, Chun-yu Zhang, 等. Living Polymerization of 1, 3-Butadiene Catalyzed by Half-titanocene Complex Bearing Dibenzhydryl-substituted Aryloxide Ligand[J]. Chinese Journal of Polymer Science, 2017,35(6):721-727.

Bo Dong, Rui Zhuang, Chun-yu Zhang, et al. Living Polymerization of 1, 3-Butadiene Catalyzed by Half-titanocene Complex Bearing Dibenzhydryl-substituted Aryloxide Ligand[J]. Chinese Journal of Polymer Science, 2017, 35(6): 721-727.
Bo Dong, Rui Zhuang, Chun-yu Zhang, 等. Living Polymerization of 1, 3-Butadiene Catalyzed by Half-titanocene Complex Bearing Dibenzhydryl-substituted Aryloxide Ligand[J]. Chinese Journal of Polymer Science, 2017,35(6):721-727. DOI： 10.1007/s10118-017-1923-8.

Bo Dong, Rui Zhuang, Chun-yu Zhang, et al. Living Polymerization of 1, 3-Butadiene Catalyzed by Half-titanocene Complex Bearing Dibenzhydryl-substituted Aryloxide Ligand[J]. Chinese Journal of Polymer Science, 2017, 35(6): 721-727. DOI： 10.1007/s10118-017-1923-8.

摘要

Abstract

Half-titanocene complexes bearing dibenzhydryl-substituted aryloxide ligands (

) were prepared. Among them

adopted a three-legged distorted tetrahedral geometry evidenced by X-ray crystallography. The poly-1

3-butadiene with high molecular weight and narrow molecular weight distribution was obtained by using these complexes as the catalysts activated with methylaluminoxane (MAO). The catalytic activities of the complexes depended on their structures. The Ti―O―C bond in the complexes with large angle afforded them with higher activity

while Cp*-based complexes exhibited lower activities than the Cp-based analogues. The activity of complex increased with increasing the polymerization temperature while the selectivity remained no change

indicating the high thermal stability. Furthermore

the polymerization of 1

3-butadiene catalyzed by

/MAO at 0 ℃ has been found in a living fashion.

关键词

Keywords

references

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