27 July 2004 Electrical characterizations of smart hydrogel based on chitosan/poly(diallydimethylammonium chloride) in NaCl solutions
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Abstract
Temperature- and pH-responsive semi-interpenetrating polymer network (SIPN) hydrogels, constructed with chitosan (CS) and poly(diallyldimethylammonium chloride) (PDADMAC), were studied. The characterizations of the IPN hydrogels were investigated by swelling tests and bending experiments, under various conditions. When the swollen IPN hydrogel was placed between a pair of electrodes it exhibited bending behavior on the application of an electric field, which showed stepwise bending behavior depending on the magnitude of the electrical stimulus. In order to clarify the relationship between the equilibrium swelling ratio and bending behavior of the SIPN hydrogels, the state of water in the SIPN hydrogel was also investigated using differential scanning calorimetry (DSC).
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Seoung Gil Yoon, Seoung Gil Yoon, Sang Jun Park, Sang Jun Park, Jun Young Lim, Jun Young Lim, Min Sup Kim, Min Sup Kim, Baek Hwan Cho, Baek Hwan Cho, Sang Min Lee, Sang Min Lee, Seon Jeong Kim, Seon Jeong Kim, } "Electrical characterizations of smart hydrogel based on chitosan/poly(diallydimethylammonium chloride) in NaCl solutions", Proc. SPIE 5385, Smart Structures and Materials 2004: Electroactive Polymer Actuators and Devices (EAPAD), (27 July 2004); doi: 10.1117/12.539696; https://doi.org/10.1117/12.539696
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