Synthesis and Properties of Hydroxytelechelic Polyisobutylenes by End Capping with <italic style="font-style: italic">tert</italic>-Butyl-dimethyl-(4-methyl-pent-4-enyloxy)-silane

Jing Li; Kang-Da Wu; Huang Shan; Jing-Han Zhang; Ming Zhao; Guang-Bi Gong; Wen-Li Guo; Yi-Bo Wu

doi:10.1007/s10118-019-2327-8

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Synthesis and Properties of Hydroxytelechelic Polyisobutylenes by End Capping with tert-Butyl-dimethyl-(4-methyl-pent-4-enyloxy)-silane

ARTICLE | Updated：2021-02-18

- Synthesis and Properties of Hydroxytelechelic Polyisobutylenes by End Capping with tert-Butyl-dimethyl-(4-methyl-pent-4-enyloxy)-silane
- Synthesis and Properties of Hydroxytelechelic Polyisobutylenes by End Capping with tert-Butyl-dimethyl-(4-methyl-pent-4-enyloxy)-silane
- Chinese Journal of Polymer Science 2019年37卷第9期页码：936-942
- Affiliations：
  
  a.College of Materials Science & Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China
  b.Lanzhou Petrochemical Research Center, Petrochina, Lanzhou 730060, China
  c.Beijing Key Laboratory of Specialty Elastomer Composite Materials, Beijing Institute of Petrochemical Technology, Beijing 102617, China
- Author bio：
  
  zhaoming888@bipt.edu.cn (M.Z.)
  wuyibo@bipt.edu.cn (Y.B.W.)
- Funds：
  
  This work was financially supported by the National Natural Science Foundation of China (No. 51573020), Beijing Natural Science Foundation (No. 2172022), Scientific Research Project of Beijing Educational Committee (No. KM201810017008), Project of Petrochina (No. kywx-18-002), and URT program (No. 2018J00074).
- DOI：10.1007/s10118-019-2327-8
  中图分类号：
- 收稿：2019-06-13，
  
  修回：2019-6-28，
  
  录用：2019-7-3，
  
  网络首发：2019-07-24，
  
  纸质出版：2019-09
- Accepted：
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Citation: Li, J.; Wu, K. D.; Shan, H.; Zhang, J. H.; Zhao, M.; Gong, G. B.; Guo, W. L.; Wu, Y. B. Synthesis and properties of hydroxytelechelic polyisobutylenes by end capping with tert-butyl-dimethyl-(4-methyl-pent-4-enyloxy)-silane. Chinese J. Polym. Sci. 2019, 37, 936–942

Jing Li, Kang-Da Wu, Huang Shan, et al. Synthesis and Properties of Hydroxytelechelic Polyisobutylenes by End Capping with tert-Butyl-dimethyl-(4-methyl-pent-4-enyloxy)-silane[J]. Chinese Journal of Polymer Science, 2019, 37(9): 936-942. DOI: 10.1007/s10118-019-2327-8.
Citation: Li, J.; Wu, K. D.; Shan, H.; Zhang, J. H.; Zhao, M.; Gong, G. B.; Guo, W. L.; Wu, Y. B. Synthesis and properties of hydroxytelechelic polyisobutylenes by end capping with tert-butyl-dimethyl-(4-methyl-pent-4-enyloxy)-silane. Chinese J. Polym. Sci. 2019, 37, 936–942 DOI： 10.1007/s10118-019-2327-8.

Jing Li, Kang-Da Wu, Huang Shan, et al. Synthesis and Properties of Hydroxytelechelic Polyisobutylenes by End Capping with tert-Butyl-dimethyl-(4-methyl-pent-4-enyloxy)-silane[J]. Chinese Journal of Polymer Science, 2019, 37(9): 936-942. DOI: 10.1007/s10118-019-2327-8. DOI：

摘要

Abstract

The low-activity cationic monomer

tert

-butyl-dimethyl-(4-methyl-pent-4-enyloxy)-silane was synthesized by Grignard reaction and hydroxyl-protection reaction. Living polyisobutylene chains were initially synthesized by controlled cationic polymerization and then capped with

tert

-butyl-dimethyl-(4-methyl-pent-4-enyloxy)-silane. The hydrolysis of these polyisobutylenes end capped with

tert

-butyl-dimethyl-(4-methyl-pent-4-enyloxy)-silane gave rise to hydroxytelechelic polyisobutylene. NMR analysis confirmed that the hydrolysis was complete. Results also showed that a low polymerization temperature favored the participation of

tert

-butyl-dimethyl-(4-methyl-pent-4-enyloxy)-silane in the end-capping reaction. Moreover

polyisobutylene-based polyurethane exhibited greater acid resistance than commercial polyurethane.

关键词

Keywords

references

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Synthesis and Properties of Hydroxytelechelic Polyisobutylenes by End Capping with tert-Butyl-dimethyl-(4-methyl-pent-4-enyloxy)-silane

Synthesis and Properties of Hydroxytelechelic Polyisobutylenes by End Capping with tert-Butyl-dimethyl-(4-methyl-pent-4-enyloxy)-silane

DOI：10.1007/s10118-019-2327-8

摘要

Abstract

关键词

Keywords

references