SYNTHESIS AND APPLICATION AS POLYMER ELECTROLYTE OF HOMO- AND COPOLYMERS OF 3-（2-CYANO ETHOXY）METHYL- AND 3-（METHOXY（TRIETHYLENOXY））METHYL-3’-METHYLOXETANE

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SYNTHESIS AND APPLICATION AS POLYMER ELECTROLYTE OF HOMO- AND COPOLYMERS OF 3-（2-CYANO ETHOXY）METHYL- AND 3-（METHOXY（TRIETHYLENOXY））METHYL-3’-METHYLOXETANE

Updated：2021-06-21

- SYNTHESIS AND APPLICATION AS POLYMER ELECTROLYTE OF HOMO- AND COPOLYMERS OF 3-（2-CYANO ETHOXY）METHYL- AND 3-（METHOXY（TRIETHYLENOXY））METHYL-3’-METHYLOXETANE
- Issue 5, Pages: 503-513(2006)
- Affiliations：
  
  School of Materials Science and Engineering Beijing Institute of Technology Beijing China ,100081
- Author bio：
- Funds：
  
  This research work was funded by National Key Projects on Basic Research and Development （The "973" Project, No. 2002CB211800）.()
- DOI：
  CLC： O631.3
- Published：2006
- Accepted：
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[1]冯增国.SYNTHESIS AND APPLICATION AS POLYMER ELECTROLYTE OF HOMO- AND COPOLYMERS OF 3-(2-CYANO ETHOXY)METHYL- AND 3-(METHOXY(TRIETHYLENOXY))METHYL-3'-METHYLOXETANE[J].Chinese Journal of Polymer Science,2006(05):503-513.

SYNTHESIS AND APPLICATION AS POLYMER ELECTROLYTE OF HOMO- AND COPOLYMERS OF 3-（2-CYANO ETHOXY）METHYL- AND 3-（METHOXY（TRIETHYLENOXY））METHYL-3’-METHYLOXETANE[J]. 2006, (5): 503-513.
[1]冯增国.SYNTHESIS AND APPLICATION AS POLYMER ELECTROLYTE OF HOMO- AND COPOLYMERS OF 3-(2-CYANO ETHOXY)METHYL- AND 3-(METHOXY(TRIETHYLENOXY))METHYL-3'-METHYLOXETANE[J].Chinese Journal of Polymer Science,2006(05):503-513. DOI：

SYNTHESIS AND APPLICATION AS POLYMER ELECTROLYTE OF HOMO- AND COPOLYMERS OF 3-（2-CYANO ETHOXY）METHYL- AND 3-（METHOXY（TRIETHYLENOXY））METHYL-3’-METHYLOXETANE[J]. 2006, (5): 503-513. DOI：

摘要

<正>Two oxetane-derived monomers

3-（2-cyano-ethoxy）methyl- and 3-（methoxy-（triethylenoxy））methyl-3’-methyloxetane （COX and MTOX）

were prepared from 3-hydroxymethyl-3’-methyloxetane. Their homo- and co-polymerization in solution were carried out by the cationic ring-opening polymerization with BF3·Et2O and 1

4-butanediol as co-initiator. The molecular weight and molecular weight distribution were determined using GPC so as to reveal the competition and interchange between active chain end （ACE） and activated monomer （AM） mechanism in the process. The reactivity ratios of the two monomers were calculated according to Kelen-Tudos using 1H-NMR analysis. The influence of functional side chains in the monomers on the copolymerization behaviors was discussed in virtue of the reactivity ratio data. When doped with lithium salt LiTFSI

the ion conductivity of the homopolymer of MTOX reached 10-3.58 S/cm at 30℃and 10-2.73 S/sm at 80℃

respectively

showing its potential to be used as polymer electrolyte for lithium ion battery.

Abstract

Two oxetane-derived monomers

3-（2-cyano-ethoxy）methyl- and 3-（methoxy-（triethylenoxy））methyl-3’-methyloxetane （COX and MTOX）

were prepared from 3-hydroxymethyl-3’-methyloxetane. Their homo- and co-polymerization in solution were carried out by the cationic ring-opening polymerization with BF3·Et2O and 1

the ion conductivity of the homopolymer of MTOX reached 10-3.58 S/cm at 30℃and 10-2.73 S/sm at 80℃

respectively

showing its potential to be used as polymer electrolyte for lithium ion battery.

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