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Salicylic Acid and Dibuthyl Phatalate (DBP) Interaction in PMMA-Based Gel Electrolytes

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Abstract:

A gel electrolyte system was prepared by dissolving poly(methyl methacrylate) (PMMA) in ethylene carbonate (EC) and propylene carbonate (PC) doped with salicylic acid (SA) and plasticized with dibutyl phthalate (DBP). The composition of the electrolyte was 35 wt% EC-30 wt% PC-5 wt% SA-5wt% DBP-25 wt% PMMA. The presence of a hump at ~760 cm-1 and a shoulder at 1155 cm-1 in the spectrum of SA-DBP indicate the protonation of DBP. The effect of these bands can also be observed in the spectrum of the gel. Hence, SA has dissociated producing H+ which then interacts datively at the oxygen sites of DBP.

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Periodical:

Materials Science Forum (Volume 517)

Pages:

294-0

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.517.294

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Online since:

June 2006

Authors:

Mohd Ikmar Nizam Mohamad Isa, A.K. Arof

Keywords:

FT-IR, Gel Electrolyte, Poly(Methyl Methacrylate) (PMMA), Salicylic Acid

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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