Neodymium Organic Sulfonate Complexes: Tunable Electronegativity/Steric Hindrance and Application in Controlled <italic style="font-style: italic">Cis</italic>-1,4-polymerization of Butadiene

Jian-Yun He; Long Cui; Yan-Long Qi; Quan-Quan Dai; Chen-Xi Bai

doi:10.1007/s10118-019-2196-1

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Neodymium Organic Sulfonate Complexes: Tunable Electronegativity/Steric Hindrance and Application in Controlled Cis-1,4-polymerization of Butadiene

ARTICLE | Updated：2021-02-18

- Neodymium Organic Sulfonate Complexes: Tunable Electronegativity/Steric Hindrance and Application in Controlled Cis-1,4-polymerization of Butadiene
- Neodymium Organic Sulfonate Complexes: Tunable Electronegativity/Steric Hindrance and Application in Controlled Cis-1,4-polymerization of Butadiene
- Chinese Journal of Polymer Science 2019年37卷第3期页码：208-215
- Affiliations：
  
  Key Laboratory of High-Performance Synthetic Rubber and its Composite Materials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Author bio：
  
  qqdai@ciac.ac.cn (Q.Q.D.)
  baicx@ciac.ac.cn (C.X.B.)
- Funds：
  
  We acknowledge the National Natural Science Foundation of China (Nos. 51473156 and 51873203), Key Projects of Jilin Province Science and Technology Development Plan (Nos. 2018020108GX and 20160204028GX).
- DOI：10.1007/s10118-019-2196-1
  中图分类号：
- 收稿：2018-09-26，
  
  修回：2018-10-26，
  
  录用：2018-10-30，
  
  网络首发：2018-11-21，
  
  纸质出版：2019-03
- Accepted：
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Citation: He, J. Y.; Cui, L.; Qi, Y. L.; Dai, Q. Q.; Bai, C. X. Neodymium organic sulfonate complexes: tunable electronegativity/steric hindrance and application in controlled cis-1,4-polymerization of butadiene. Chinese J. Polym. Sci. 2019, 37, 208–215

Jian-Yun He, Long Cui, Yan-Long Qi, et al. Neodymium Organic Sulfonate Complexes: Tunable Electronegativity/Steric Hindrance and Application in Controlled Cis-1,4-polymerization of Butadiene[J]. Chinese Journal of Polymer Science, 2019, 37(3): 208-215. DOI: 10.1007/s10118-019-2196-1.
Citation: He, J. Y.; Cui, L.; Qi, Y. L.; Dai, Q. Q.; Bai, C. X. Neodymium organic sulfonate complexes: tunable electronegativity/steric hindrance and application in controlled cis-1,4-polymerization of butadiene. Chinese J. Polym. Sci. 2019, 37, 208–215 DOI： 10.1007/s10118-019-2196-1.

Jian-Yun He, Long Cui, Yan-Long Qi, et al. Neodymium Organic Sulfonate Complexes: Tunable Electronegativity/Steric Hindrance and Application in Controlled Cis-1,4-polymerization of Butadiene[J]. Chinese Journal of Polymer Science, 2019, 37(3): 208-215. DOI: 10.1007/s10118-019-2196-1. DOI：

摘要

Abstract

Rare earth catalysts possessing characteristics of cation-anion ion pair show advantages of adjusting electronegativity and steric hindrance of metal active sites

which can control the catalytic performance and stereoselectivity better than those of traditional metallocene and Ziegler-Natta catalysts in diene polymerization. In this work

a series of neodymium organic sulfonate complexes

Nd(CF

)

O·

L (

: the coordination number; L refers to an organic electron donating ligand

such as acetylacetone (acac)

iso

-octyl alcohol (IAOH)

tributyl phosphate (TBP)

etc

have been synthesized to form the cationic active species in the presence of alkylaluminum such as Al(

-Bu)

AlEt

and Al(

-Bu)

which display high activities and distinguishing

cis

-1

4 selectivities (up to 99.9%) for the polymerization of butadiene. The microstructures

yield

molecular weight

and molecular weight distribution of the resulting polymer are well controlled by adjusting electronegativity/steric hindrance of the complexes. In addition

the kinetics

active species

and the possible process of polymerization are also discussed in this article.

关键词

Keywords

references

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DOI：10.1007/s10118-019-2196-1

摘要

Abstract

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Keywords

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