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Proceedings Paper

Novel cellulosic gel preparation for using in electro-responsive applications
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Paper Abstract

Electroactive-papers (EAPaps) are paper that used in the field of electro-responsive applications, consisting primarily of a cellulose. 1-butyl-3-methylimidazolium chloride (BMIMCl) is an interesting ionic liquid that acts as an effective cellulose solvent for EAPap due to its high solubility without chain derivatization, less chain degradation, and stability in electro-responsive applications. In our work, physical and chemical cellulose gels were fabricated and studied for the effects of varying crosslinking ratio (CR) with glutaraldehyde (GA) as the crosslinking agent. The crosslinking reaction conversion could be increased by increasing the CR; the reaction products are ketone linkages and by-product water molecules. A difference in optical properties could be observed and related to the differing amounts of ketone linkages, as confirmed by Fourier transform infrared spectroscopy: Attenuated total reflectance (FTIR-ATR), and the degradation temperature (Td). All of the prepared gels show no significant differences in electrical conductivity; however they can be classified in the level of semiconductors. Our paper-gels showed potential characteristics towards electro-responsive applications as the ionic migration is a promising mechanism and with less preparation time (< 14 hours).

Paper Details

Date Published: 9 April 2010
PDF: 6 pages
Proc. SPIE 7642, Electroactive Polymer Actuators and Devices (EAPAD) 2010, 76422O (9 April 2010); doi: 10.1117/12.848694
Show Author Affiliations
Wissawin Kunchornsup, Chulalongkorn Univ. (Thailand)
Anuvat Sirivat, Chulalongkorn Univ. (Thailand)

Published in SPIE Proceedings Vol. 7642:
Electroactive Polymer Actuators and Devices (EAPAD) 2010
Yoseph Bar-Cohen, Editor(s)

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