Electrical sensitivity behavior of a hydrogel composed of polymethacrylic acid/poly(vinyl alcohol) | Zendy

Kim Seon Jeong | Zendy; Yoon Seoung Gil | Zendy; Lee Sang Min | Zendy; Lee Sang Hoon | Zendy; Kim Sun I. | Zendy

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Electrical sensitivity behavior of a hydrogel composed of polymethacrylic acid/poly(vinyl alcohol)

Author(s) -

Kim Seon Jeong,

Yoon Seoung Gil,

Lee Sang Min,

Lee Sang Hoon,

Kim Sun I.

Publication year - 2004

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.13597

Subject(s) - vinyl alcohol , materials science , interpenetrating polymer network , aqueous solution , swelling , chemical engineering , poly(methacrylic acid) , polymer chemistry , polymer , self healing hydrogels , composite material , methacrylic acid , copolymer , chemistry , organic chemistry , engineering

An interpenetrating polymer network (IPN) composed of polymethacrylic acid (PMAA) and poly(vinyl alcohol) (PVA) was prepared and exhibited electrical sensitivity behavior. The swelling behavior of the PMAA/PVA IPN hydrogel was studied by immersion of the gel in aqueous NaCl solutions at various concentrations and pH values. The stimuli response of the PMAA/PVA IPN hydrogel in electric fields was also investigated. When swollen IPN hydrogel was placed between a pair of electrodes, the PMAA/PVA IPN hydrogel exhibited bending behavior upon the application of an electric field. The PMAA/PVA IPN hydrogel also showed stepwise bending behavior depending on the electric stimulus. Also, for biomedical applications, the bending behavior of PMAA/PVA IPN hydrogel in Hank's solution at pH 7.4 was studied. © 2004 Wiley Periodicals, Inc. J Appl Polym Sci 91:3613–3617, 2004

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