Synthesis of joint-linker type ionic gels containing imidazole units in the network

N. Naga, T. Ishida, T. Hayakawa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Joint-linker type gels have been synthesized by means of thiol-ene reaction of tri-functional thiol and bis-vinylimidazole compounds, or Menschutkin reaction of multi-functional bromomethyl benzene, and bis-imidazole compound in dimethylsulfoxide (DMSO). The gels showed ionic conductivity derived from anions in the linker molecules. The ionic conductivity of the gels decreased with increasing of the monomer concentration. Temperature dependence of the gels was investigated to determine Vogel-Tammann-Fulcher (VTF) equation parameters. The results indicated that increasing of the crosslinking density should prevent the anions from diffusing in the gels due to the increase of activation energy of the ion transport. The gel with bis-vinylimidazole [BF4] showed higher ionic conductivity than the corresponding gel with [Br] due to higher dissociation the ion carrier. Addition of a protonic solvent, methanol, to DMSO was effective to increase the ionic conductivity.

Original languageEnglish
Title of host publicationECS Transactions
EditorsG. Milano, L. Nagahara, A. Kakugo, M. White, T. Shiba, Y. Masubuchi, S. Tokito, K. Fukushima, H. Furukawa, T. Yoshida, A. Khosla, M. Kaltenbrunner, T.-Y. Chu, H. Matsui, F. D. Dos Santos, A. Nakai, M. Yanagida, P. Sekhar, H. Ito, K. Ito, T. Saito, S. Bhansali, A. Masuhara
PublisherElectrochemical Society Inc.
Pages107-118
Number of pages12
Edition1
ISBN (Electronic)9781607688655
DOIs
Publication statusPublished - 2019
Event1st International Conference on 4D Materials and Systems, 4DMS 2018 - Yonezawa, Japan
Duration: 2018 Aug 262018 Aug 30

Publication series

NameECS Transactions
Number1
Volume88
ISSN (Print)1938-6737
ISSN (Electronic)1938-5862

Conference

Conference1st International Conference on 4D Materials and Systems, 4DMS 2018
CountryJapan
CityYonezawa
Period18/8/2618/8/30

ASJC Scopus subject areas

  • Engineering(all)

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