서지주요정보
열민감성 하이드로젤의 팽윤거동과 4-acetamidophenol의 투과특성 = Swelling behavior of thermosensitive hydrogel and permeation of 4-acetamidophenol
서명 / 저자 열민감성 하이드로젤의 팽윤거동과 4-acetamidophenol의 투과특성 = Swelling behavior of thermosensitive hydrogel and permeation of 4-acetamidophenol / 구영모.
저자명 구영모 ; Koo, Young-Mo
발행사항 [대전 : 한국과학기술원, 1994].
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소장정보

등록번호

8004718

소장위치/청구기호

학술문화관(문화관) 보존서고

MCHE 94002

SMS전송

도서상태

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반납예정일

초록정보

The volume change and volume phase transition temperature of hydrogels were investigated in variation of the temperature, ionic concentration, pH and salt concentration. The NIPAAm (N-isopropylacrylamide), IPSMA(N-isopropyl acrylamide-co- sodium methacrylate) and IPSA(N-isopropylacrylamide-co-sodium acrylate) hydrogels were synthesized by radical and inverse emulsion polymerization. Equilibrium swelling curves were observed by microscope, and volume phase transition temperature were determined by microscope and DSC(differential scanning calorimetry). NIPAAm hydrogel undergoes a sharp yet continuous volume change, whereas IPSMA and IPSA show a sharp discontinuous volume change. Volume change and volume phase transition temperature increased with the amount of sodium methacrylate and sodium acrylate in IPSMA and IPSA hydrogels. The volume change of IPSMA hydrogel was larger than that of IPSA. There was no effect of pH in the volume change and volume phase transition temperature, but the volume decreased with NaCl concentrations. In diffusion experiment, the diffusivity of 4-acetamidophenol through NIPAAm gel membrane decreased discontinuously in the range of the volume phase transition temperature.

서지기타정보

서지기타정보
청구기호 {MCHE 94002
형태사항 vii, 56 p. : 삽도 ; 26 cm
언어 한국어
일반주기 저자명의 영문표기 : Young-Mo Koo
지도교수의 한글표기 : 김종득
지도교수의 영문표기 : Jong-Duk Kim
학위논문 학위논문(석사) - 한국과학기술원 : 화학공학과,
서지주기 참고문헌 : p. 54-56
주제 Colloids.
Phase transformation (Statistical physics)
상전이. --과학기술용어시소러스
하이드로겔.
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