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Issue 108, 2016
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Grafting modification of epoxidized natural rubber with poly(ethylene glycol) monomethylether carboxylic acid and ionic conductivity of graft polymer composite electrolytes

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Abstract

A novel comb-like polymer was synthesized via grafting epoxidized natural rubber (ENR) with polyethylene glycol (PEG) monomethylether carboxylic acid (mPEG-COOH), and the grafting reaction was studied by variable-temperature Fourier transform infrared (FTIR) spectroscopy. This comb-like polymer was characterized by attenuated total reflectance-FTIR (ATR-FTIR) spectroscopy and differential scanning calorimetry (DSC). The carboxyl groups of mPEG-COOH reacted with the epoxy groups of ENR to produce graft polymers. The composite polymer electrolyte (CPE) based on this comb-like polymer ENR-g-mPEG-COOH was prepared via introducing LiClO4 into the graft polymer matrix. The CPE was studied by X-ray diffraction analysis (XRD), DSC, an equilibrium swelling method, and electrochemical workstation techniques. With increasing mPEG-COOH content, the ionic conductivity of the electrolyte significantly increased.

Graphical abstract: Grafting modification of epoxidized natural rubber with poly(ethylene glycol) monomethylether carboxylic acid and ionic conductivity of graft polymer composite electrolytes

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Publication details

The article was received on 05 Jul 2016, accepted on 02 Nov 2016 and first published on 02 Nov 2016


Article type: Paper
DOI: 10.1039/C6RA17129J
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Citation: RSC Adv., 2016,6, 107021-107028
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    Grafting modification of epoxidized natural rubber with poly(ethylene glycol) monomethylether carboxylic acid and ionic conductivity of graft polymer composite electrolytes

    R. Wang, H. Mei, W. Ren and Y. Zhang, RSC Adv., 2016, 6, 107021
    DOI: 10.1039/C6RA17129J

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