Electrical response characterization of chitosan/polyacrylonitrile hydrogel in NaCl solutions

Seon Jeong Kim, Su Ryon Shin, Jang Han Lee, Sang Hoon Lee, Sun I. Kim

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

A semi-interpenetrating polymer network (semi-IPN) hydrogel composed of chitosan and polyacrylonitrile (PAN) exhibited electrical-sensitive behavior. The swelling behavior of the semi-IPN was studied by immersion of the gels in aqueous NaCl solutions at various concentrations. The swelling ratio decreased with an increase in the concentration of the electrolyte solution. The stimulus response of the semi-IPN hydrogel in electric fields was also investigated. When swollen, the semi-IPN was placed between a pair of electrodes, and it exhibited bending behavior upon application of an electric field. The electro responsive behavior of the semi-IPN was also affected by the electrolyte concentration of the external solution. The semi-IPN also showed various degrees of increase in bending behavior depending on the electrical stimulus.

Original languageEnglish
Pages (from-to)91-96
Number of pages6
JournalJournal of Applied Polymer Science
Volume90
Issue number1
DOIs
Publication statusPublished - 2003 Oct 3
Externally publishedYes

Fingerprint

Interpenetrating polymer networks
Polyacrylonitriles
Hydrogel
Chitosan
Hydrogels
Electrolytes
Swelling
Electric fields
polyacrylonitrile
Gels
Electrodes

Keywords

  • Bending
  • Hydrogel
  • Interpenetrating polymer networks (IPN)
  • Swelling

ASJC Scopus subject areas

  • Polymers and Plastics

Cite this

Electrical response characterization of chitosan/polyacrylonitrile hydrogel in NaCl solutions. / Kim, Seon Jeong; Shin, Su Ryon; Lee, Jang Han; Lee, Sang Hoon; Kim, Sun I.

In: Journal of Applied Polymer Science, Vol. 90, No. 1, 03.10.2003, p. 91-96.

Research output: Contribution to journalArticle

Kim, Seon Jeong ; Shin, Su Ryon ; Lee, Jang Han ; Lee, Sang Hoon ; Kim, Sun I. / Electrical response characterization of chitosan/polyacrylonitrile hydrogel in NaCl solutions. In: Journal of Applied Polymer Science. 2003 ; Vol. 90, No. 1. pp. 91-96.
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