한국인쇄학회지 (Journal of the Korean Graphic Arts Communication Society)

한국인쇄학회 (The Korean Graphic Arts Communication Society)
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수화겔의 상전이에 관한 연구: (I)폴리(N-이소프로필아크릴아미드)겔의 부피상전이

A study on phase transition of Hydrogel: (I)Volume Phase Transition of N-Isopropylacrylamide gel

  • 박상보 (부경대학교 공과대학 응용화학공학부) ;
  • 민성기 (부경대학교 공과대학 응용화학공학부)
  • Park, Sang-Bo (Dept. of applied chemical engineering, Pukyong National University) ;
  • Min, Seong-Kee (Dept. of applied chemical engineering, Pukyong National University)
  • 발행 : 2003.03.01
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초록

Equilibrium swelling curves of N-isopropyl acrylamide(NIPA) gel and its ionized copolymer gels were obtained as a function of temperature. Discontinuous volume changes of the gels were observed. Phase transition temperature was increased with the ionized counter parts of the gels. Equilibrium swelling of ionized copolymer gel cylinder was found to depend strongly on their diameters. Crosslinking density of NIPA gel was adjusted by increasing N,N'-methylenebisacrylamide(BIS). Phase transition temperature was increased with the crosslinking density.

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