Preparation and Characterization of Acrylic Acid-grafted Poly (vinyl alcohol) Hydrogel Actuators Using γ-ray Irradiation

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  • An, Sung-Jun (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Lim, Youn-Mook (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Gwon, Hui-Jeong (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Kim, Yun-Hye (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Youn, Min-Ho (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Kim, Chong-Yeal (Department of Radiation Science & Technology, Graduate School of Chonbuk Nat'l Univ.) ;
  • Han, Dong-Hyun (Department of Radiation Science & Technology, Graduate School of Chonbuk Nat'l Univ.) ;
  • Nho, Young-Chang (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
  • 안성준 (한국원자력연구원 방사선과학연구소) ;
  • 임윤묵 (한국원자력연구원 방사선과학연구소) ;
  • 권희정 (한국원자력연구원 방사선과학연구소) ;
  • 김윤혜 (한국원자력연구원 방사선과학연구소) ;
  • 윤민호 (한국원자력연구원 방사선과학연구소) ;
  • 김종일 (전북대학교 방사선과학기술학과) ;
  • 한동현 (전북대학교 방사선과학기술학과) ;
  • 노영창 (한국원자력연구원 방사선과학연구소)
  • Received : 2007.11.28
  • Accepted : 2007.12.12
  • Published : 2008.03.31

Abstract

Active polymer gels expand and contract in response to certain environmental stimuli, such as the application of an electric field or a change in the pH level of the surroundings. This ability to achieve large, reversible deformations with no external mechanical loading has generated much interest in the use of these gels as biomimetic actuators and artificial muscles. In this study, poly (vinyl alcohol)(PVA) grafted acrylic acid monomer (PVA-g-AAc) hydrogels were prepared by $^{60}Co$ ${\gamma}-ray$ irradiation and their properties such as degree of grafting and weight swelling in electrostimulation as an artificial muscle and actuator were investigated.

Keywords

Acknowledgement

Supported by : 한국과학재단