Synthesis of Highly Efficient Bidentate Polar Modifiers Featuring Dual Heteroatoms and Their Application in Butadiene Anionic Polymerization

Xin-rui Li; Jian Tang; Ao Zhang; Er-Bo Liu; Jing Hua

doi:10.11777/j.issn1000-3304.2025.24318

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Synthesis of Highly Efficient Bidentate Polar Modifiers Featuring Dual Heteroatoms and Their Application in Butadiene Anionic Polymerization

Research Article | 更新时间：2025-08-28

- Synthesis of Highly Efficient Bidentate Polar Modifiers Featuring Dual Heteroatoms and Their Application in Butadiene Anionic Polymerization
- Acta Polymerica Sinica Vol. 56, Issue 9, Pages: 1529-1536(2025)
- 作者机构：
  
  青岛科技大学高分子科学与工程学院青岛 266000
- 作者简介：
  
  Jing Hua, E-mail: huajing72@qust.edu.cn
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2025.24318
  CLC：
- CSTR：32057.14.GFZXB.2025.7378
- Received：31 December 2024，
  
  Accepted：06 March 2025，
  
  Published Online：16 April 2025，
  
  Published：20 September 2025
- 稿件说明：
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李欣芮, 汤健, 张澳, 刘二波, 华静. 高效双杂原子结构双齿调节剂的合成及在丁二烯阴离子聚合中的应用. 高分子学报, 2025, 56(9), 1529-1536

Li, X. R.; Tang, J.; Zhang, A.; Liu, E. B.; Hua, J. Synthesis of highly efficient bidentate polar modifiers featuring dual heteroatoms and their application in butadiene anionic polymerization. Acta Polymerica Sinica, 2025, 56(9), 1529-1536
李欣芮, 汤健, 张澳, 刘二波, 华静. 高效双杂原子结构双齿调节剂的合成及在丁二烯阴离子聚合中的应用. 高分子学报, 2025, 56(9), 1529-1536 DOI： 10.11777/j.issn1000-3304.2025.24318. CSTR： 32057.14.GFZXB.2025.7378.

Li, X. R.; Tang, J.; Zhang, A.; Liu, E. B.; Hua, J. Synthesis of highly efficient bidentate polar modifiers featuring dual heteroatoms and their application in butadiene anionic polymerization. Acta Polymerica Sinica, 2025, 56(9), 1529-1536 DOI： 10.11777/j.issn1000-3304.2025.24318. CSTR： 32057.14.GFZXB.2025.7378.

摘要

路易斯碱经常被用作结构调节剂以提高丁二烯阴离子聚合的1

2-选择性. 本研究报道了四种新型不同烷基取代基的

-双齿路易斯碱，其化学名称分别为1-(2-甲氧基乙基)-哌啶(

MOD 1

)、1-(2-乙氧基乙基)-哌啶(

MOD 2

)、1-(2-丙氧基乙基)-哌啶(

MOD 3

)、1-(2-丁氧基乙基)-哌啶(

MOD 4

). 对比研究所合成的新型结构调节剂与5种已报道的常见结构调节剂对丁二烯阴离子聚合的影响，并探究了不同调节剂的用量、聚合温度等因素对聚合反应的影响规律. 结果表明，新设计的

-双齿结构调节剂能够在较少的用量下达到较好的聚丁二烯1

2-结构的调节效果，且调节能力稳定随聚合温度变化波动小.

Abstract

Lewis bases are frequently employed as polar modifiers to enhance the 1

‍2-selectivity of butadiene anionic polymerization. In this work

we report four novel

‍

-bidentate Lewis bases bearing different alkyl

substituents: 1-(2-methoxyethyl)piperidine (

MOD 1

)

1-(2-ethoxyethyl)piperidine (

MOD 2

)

1-‍(2-propoxyethyl)piperidine (

MOD 3

)

and 1-(2-butoxyethyl)piperidine (

MOD 4

). A comparative study was conducted between these newly synthesized polar modifiers and five commonly used

previously reported modifiers

focusing on their effects on the anionic polymerization of butadiene. Additionally

we investigated how the dosage of various modifiers and the polymerization temperature influence the polymerization behavior. The results show that the newly designed

‍

-bidentate polar modifiers can achieve a high degree of 1

‍2-structural regulation in polybutadiene at relatively low dosage levels. Their regulatory effectiveness remains stable across different polymerization temperatures

demonstrating both high efficiency and excellent stability.

关键词

Keywords

references

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