Electrical characterizations of smart hydrogel based on chitosan/poly(diallydimethylammonium chloride) in NaCl solutions

Seoung Gil Yoon; Sang Jun Park; Jun Young Lim; Min Sup Kim; Baek Hwan Cho; Sang Min Lee; Seon Jeong Kim

doi:10.1117/12.539696

27 July 2004 Electrical characterizations of smart hydrogel based on chitosan/poly(diallydimethylammonium chloride) in NaCl solutions

Seoung Gil Yoon, Sang Jun Park, Jun Young Lim, Min Sup Kim, Baek Hwan Cho, Sang Min Lee, Seon Jeong Kim

Author Affiliations +

Proceedings Volume 5385, Smart Structures and Materials 2004: Electroactive Polymer Actuators and Devices (EAPAD); (2004) https://doi.org/10.1117/12.539696
Event: Smart Structures and Materials, 2004, San Diego, CA, United States

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).

Citation Download Citation

Seoung Gil Yoon, Sang Jun Park, Jun Young Lim, Min Sup Kim, Baek Hwan Cho, Sang Min Lee, and 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); https://doi.org/10.1117/12.539696

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