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
- Chinese Journal of Polymer Science Vol. 37, Issue 9, Pages: 936-942(2019)
- 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：
- DOI：10.1007/s10118-019-2327-8
  CLC：
- Received：13 June 2019，
  
  Revised：2019-6-28，
  
  Accepted：03 July 2019，
  
  Online First：24 July 2019，
  
  Published：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.

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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

DOI：10.1007/s10118-019-2327-8

摘要

Abstract

关键词

Keywords

references