Cationic Polymerization of Isobutylene and C<sub>4</sub> Mixed Feed Using Complexes of Lewis Acids with Ethers: A Comparative Study

Dmitriy I. Shiman; Ivan A. Berezianko; Irina V. Vasilenko; Sergei V. Kostjuk

doi:10.1007/s10118-019-2290-4

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Cationic Polymerization of Isobutylene and C₄ Mixed Feed Using Complexes of Lewis Acids with Ethers: A Comparative Study

ARTICLE | Updated：2021-02-18

- Cationic Polymerization of Isobutylene and C₄ Mixed Feed Using Complexes of Lewis Acids with Ethers: A Comparative Study
- Cationic Polymerization of Isobutylene and C₄ Mixed Feed Using Complexes of Lewis Acids with Ethers: A Comparative Study
- Chinese Journal of Polymer Science 2019年37卷第9期页码：891-897
- Affiliations：
  
  a.Research Institute for Physical Chemical Problems of the Belarusian State University, 14 Leningradskaya St., Minsk 220006, Belarus
  b.Department of Chemistry, Belarusian State University, 14 Leningradskaya st., Minsk 220006, Belarus
  c.Sechenov First Moscow State Medical University, Institute for Regenerative Medicine, 8-2 Trubetskaya st., Moscow 119991, Russia
- Author bio：
  
  kostjuks@bsu.by or kostjuks@rambler.ru
- Funds：
  
  This work was financially supported by BASF SE.
- DOI：10.1007/s10118-019-2290-4
  中图分类号：
- 收稿：2019-01-15，
  
  修回：2019-1-30，
  
  录用：2019-5-9，
  
  网络首发：2019-06-25，
  
  纸质出版：2019-09
- Accepted：
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Citation: Shiman, D. I.; Berezianko, I. A.; Vasilenko, I. V.; Kostjuk, S. V. Cationic polymerization of isobutylene and C₄ mixed feed using complexes of Lewis acids with ethers: A comparative study. Chinese J. Polym. Sci. 2019, 37, 891–897 DOI: 10.1007/s10118-019-2290-4.

Dmitriy I. Shiman, Ivan A. Berezianko, Irina V. Vasilenko, et al. Cationic Polymerization of Isobutylene and C₄ Mixed Feed Using Complexes of Lewis Acids with Ethers: A Comparative Study[J]. Chinese Journal of Polymer Science, 2019, 37(9): 891-897. DOI: 10.1007/s10118-019-2290-4.
Citation: Shiman, D. I.; Berezianko, I. A.; Vasilenko, I. V.; Kostjuk, S. V. Cationic polymerization of isobutylene and C₄ mixed feed using complexes of Lewis acids with ethers: A comparative study. Chinese J. Polym. Sci. 2019, 37, 891–897 DOI: 10.1007/s10118-019-2290-4. DOI：

Dmitriy I. Shiman, Ivan A. Berezianko, Irina V. Vasilenko, et al. Cationic Polymerization of Isobutylene and C₄ Mixed Feed Using Complexes of Lewis Acids with Ethers: A Comparative Study[J]. Chinese Journal of Polymer Science, 2019, 37(9): 891-897. DOI: 10.1007/s10118-019-2290-4. DOI：

摘要

Abstract

The cationic polymerization of C

mixed feed and isobutylene co-initiated by AlCl

×O

BuAlCl

and [emim]Cl-FeCl

([emim]Cl: 1-ethyl-3-methylimidazolium chloride) has been investigated. AlCl

×O

co-initiated cationic polymerization of C

mixed feed proceeds at a lower rate than polymerization of isobutylene affording polymers with higher molecular weight. Complexes of

BuAlCl

with diisopropyl ether of different compositions are more suitable co-initiators than AlCl

×O

for the synthesis of highly reactive polyisobutylene (HR PIB) from C

mixed feed due to their higher activity in the polymerization as well as possibility to prepare polyisobutylenes with lower molecular weight and higher content of

exo

-olefin end groups. However

BuAlCl

needs activating

via

addition of external water (initiator) and/or interaction with salts hydrates in order to increase the reaction rate and the saturated monomer conversion. [Emim]Cl-FeCl

O is a quite promising catalyst for the preparation of HR PIB with high

exo

-olefin end group content (

80%) and relatively low polydispersity (

2.8)

via

cationic polymerization of C

mixed feed. The sonication of reaction mixture in case of using [emim]Cl-FeCl

allowed increasing the reaction rate and decreasing the molecular weight.

关键词

Keywords

references

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DOI：10.1007/s10118-019-2290-4

摘要

Abstract

关键词

Keywords

references

Cationic Polymerization of Isobutylene and C₄ Mixed Feed Using Complexes of Lewis Acids with Ethers: A Comparative Study

Cationic Polymerization of Isobutylene and C₄ Mixed Feed Using Complexes of Lewis Acids with Ethers: A Comparative Study