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KMID : 1137820070280030344
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의공학회지
2007 Volume.28 No. 3 p.344 ~ p.347
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Effect of Water State in Electroactive Chitosan/Poly (Diallyldimethylammonium Chloride) Hydrogels on Bending Behavior at Various pH Conditions
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Yoon Seong-Gil
Kim Seon-Jeong
Kim In-Young
Kim Sun-Il
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Abstract
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A interpenetrating polymer network (IPN) hydrogel, composed of chitosan (CS) and poly(diallydimethylammonium chloride) (PDADMAC) was prepared, which exhibited electrical sensitive behavior. The swelling behavior of the CS/PDADMAC SIPN hydrogel was studied by immersion of the gel into various pH buffer solutions, and their stimuli response in electric fields also investigated. 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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KEYWORD
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interpenetrating polymer network, electro-sensitive polymers, state of waterA interpenetrating polymer network (IPN) hydrogel, composed of chitosan (CS) and poly(diallydimethylammonium chloride) (PDADMAC) was prepared, which exhibited electrical sensitive behavior. The swelling behavior of the CS/PDADMAC SIPN hydrogel was studied by immersion of the gel into various pH buffer solutions, and their stimuli response in electric fields also investigated. 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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