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  3. Volume 15, Number 2, 2021
  4. Solid Polymer Electrolyte Membranes on the Basis of Fluorosiloxane Matrix

Solid Polymer Electrolyte Membranes on the Basis of Fluorosiloxane Matrix

JCCT.
2021;
Volume 15, Number 2
: pp. 198 - 204
https://doi.org/10.23939/chcht15.02.198
Authors:
  1. Omari Mukbaniani
  2. Jimsher Aneli
  3. Tamara Tatrishvili
  4. Eliza Markarashvili
1
1 Iv. Javakhishvili Tbilisi State University, 2 Institute of Macromolecular Chemistry and Polymeric Materials, Iv. Javakhishvili Tbilisi State University
2
Institute of Macromolecular Chemistry and Polymeric Materials, Iv. Javakhishvili Tbilisi State University
3
Iv. Javakhishvili Tbilisi State University, 2 Institute of Macromolecular Chemistry and Polymeric Materials, Iv. Javakhishvili Tbilisi State University
4
1 Iv. Javakhishvili Tbilisi State University, 2 Institute of Macromolecular Chemistry and Polymeric Materials, Iv. Javakhishvili Tbilisi State University

Hydrosilylation reactions of 2,4,6,8-tetrahydro-2,4,6,8-tetramethylcyclotetrasiloxane (D4H) with 2,2,3,3,4,4,5,5-octafluoropentyl acrylate at 1:4.2 ratio of initial compounds catalysed by platinum catalysts have been studied and corresponding adduct D4R' has been obtained. Ring opening polymerization of D4R in the presence of dry potassium hydroxide has been carried out and comb-type polymers with 2,2,3,3,4,4,5,5-octafluoropentyl propionate side groups have been obtained. The synthesized product D4R and polymers were analyzed by FTIR, 1H, 13C, and 29Si NMR spectroscopy. The solid polymer electrolyte membranes have been obtained via sol-gel reactions of polymers with tetraethoxysilane doped with lithium trifluoromethylsulfonate (triflat) and lithium bis(trifluorosulfonyl)imide. It has been found that the electric conductivity of the polymer electrolyte membranes at room temperature changes in the range of (1.9•10-6) – (5.9•10-10) S•cm-1.

hydrosilylation
polymerization
sol-gel reactions
polymer electrolyte membrane
spectroscopy
ion-conductivity
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