期刊
EXPRESS POLYMER LETTERS
卷 6, 期 12, 页码 1007-1016出版社
BUDAPEST UNIV TECHNOL & ECON
DOI: 10.3144/expresspolymlett.2012.106
关键词
biodegradable polymers; smart polymer; thermal properties; Agar matrix
资金
- University of Minho
- Fundacao para a Ciencia e a Tecnologia [F-COMP-01-0124-FEDER-022716, FCT PEst-C/QUI/UI0686/2011, PEst-OE/EQB/LA0004/2011, PTDC/CTM-NAN/121274/2010, SFRH/BD/38616/2007]
- FAPESP
- CAPES
- CNPq
- FEDER - COMPETE
- FCT - Portugal
- Fundação para a Ciência e a Tecnologia [SFRH/BD/38616/2007] Funding Source: FCT
The possibility to use natural polymer as ionic conducting matrix was investigated in this study. Samples of agar-based electrolytes with different ionic liquids were prepared and characterized by physical and chemical analyses. The ionic liquids used in this work were 1-ethyl-3-methylimidazolium ethylsulfate, [C(2)mim][C2SO4], 1-ethyl-3-methylimidazolium acetate, [C(2)mim][OAc] and trimethyl-ethanolammonium acetate, [Ch][OAc]. Samples of solvent-free electrolytes were prepared and characterized by ionic conductivity measurements, thermal analysis, electrochemical stability, X-ray diffraction, scanning electron microscopy and Fourier Transform infrared spectroscopy. Electrolyte samples are thermally stable up to approximately 190 degrees C. All the materials synthesized are semicrystalline. The electrochemical stability domain of all samples is about 2.0 V versus Li/Li+. The preliminary studies carried out with electrochromic devices (ECDs) incorporating optimized compositions have confirmed that these materials may perform as satisfactory multifunctional component layers in the field of 'smart windows', as well as ECD-based devices.
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