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Studies on thin films of PVC-PMMA blend polymer electrolytes

  • Mohammad Saleem Khan EMAIL logo , Rahmat Gul and Mian Sayed Wahid
Published/Copyright: August 7, 2013
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Journal of Polymer Engineering
From the journal Journal of Polymer Engineering Volume 33 Issue 7

Abstract

Thin films of poly (vinyl chloride) (PVC)/poly (methyl methacrylate) (PMMA) blend polymers complexed with different concentrations of LiClO4 salt, containing ethylene carbonate (EC) as the plasticizer, were fabricated by the solution cast procedure. Ionic conductivity, thermal stability and X-ray diffraction (XRD) studies were undertaken. AC impedance measurements were done in the temperature range of 20–70°C. The highest ionic conductivity at room temperature was found to be 2.23×10-5 S cm-1 for the sample containing 15 wt% of LiClO4 salt. The XRD technique was used to investigate the structure and complex formation of solid polymer electrolytes. There was a decrease in degree of crystallinity. The amorphous nature of complexed solid polymer blend electrolyte films increased, due to the addition of LiClO4 salt. Thermogravimetric analysis (TGA) and differential thermal analysis (DTA) revealed the effect of salt on the thermal stability of the polymer electrolytes. It was found that these polymer electrolyte systems show stability up to about 280°C. It was also found that, with increased LiClO4 salt content in complexed polymer electrolyte systems, the degradation temperature decreased.

Keywords: impedance spectroscopy; ionic conductivity; plasticizer; poly (methyl methacrylate); poly (vinyl chloride); polymer electrolytes
Corresponding author: Mohammad Saleem Khan, Polymer Chemistry Laboratory, National Center of Excellence in Physical Chemistry, University of Peshawar, Peshawar 25120, Pakistan, e-mail:

R.G. acknowledges the financial funding by the Higher Education Commission of Pakistan under the indigenous fellowship program.

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Received: 2013-2-6
Accepted: 2013-7-5
Published Online: 2013-08-07
Published in Print: 2013-10-01

©2013 by Walter de Gruyter Berlin Boston

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https://doi.org/10.1515/polyeng-2013-0028
Keywords for this article
impedance spectroscopy; ionic conductivity; plasticizer; poly (methyl methacrylate); poly (vinyl chloride); polymer electrolytes

Articles in the same Issue

  1. Masthead
  2. Masthead
  3. Original articles
  4. Degradation of epoxidized natural rubber compatibilized linear low density polyethylene/ soya powder blends: the effect of natural weathering
  5. Effect of compatibilizing agents on the physical properties of iPP/HDPE organoclay blends
  6. Thermal and mechanical properties of ultrahigh molecular weight polyethylene/high-density polyethylene/polyethylene glycol blends
  7. Effect of MMT concentrations as reinforcement on the properties of recycled PET/HDPE nanocomposites
  8. Three-dimensional viscoelastic simulation of the effect of wall slip on encapsulation in the coextrusion process
  9. Studies on thin films of PVC-PMMA blend polymer electrolytes
  10. Morphological study of PVDF/PMMA/TiO2 blend films prepared by melt casting process
  11. Effects of calcium stearate and metal hydroxide additions on the irradiated LDPE/EVA compound properties
  12. Preparation of poly(sebacic anhydride) and polylactic acid pills used as drug carrier for levofloxacin controlled release
  13. Gray optimization of process parameters of surface modification of coconut sheath reinforced polymer composites
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