한국응용과학기술학회지 (Journal of the Korean Applied Science and Technology)

  • 제15권3호
  • /
  • Pages.91-96
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  • 1998
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  • 1225-9098(pISSN)
  • /
  • 2288-1069(eISSN)
한국응용과학기술학회 (The Korean Society of Applied Science and Technology)
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포화지방산 Langmuir막의 물성에 관한 연구

A Study on the Properties of Langmuir Films from Saturated Fatty Acid

  • 박근호 (창원대학교 공업화학과) ;
  • 김제동 (창원대학교 공업화학과)
  • Park, Keun-Ho (Department of Chemical Technology, Chang-Won National University) ;
  • Kim, Jea-Dong (Department of Chemical Technology, Chang-Won National University)
  • 발행 : 1998.09.30
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초록

The saturated fatty acids(arachidic acid, stearic acid, and palmitic acid) were repeatedly applied on water surface, and their ${\pi}-A$ isotherms and Maxwell displacement current(MDC) were measured to identify the effect of the number of carbons of fatty acids on the properties of Langmuir films. The saturated fatty which contain higher carbon number showed higher MDC peak, and the less carbon it contains, the higher surface pressure they show. It was found the maximum of MDC peaks was as the molecular area just before the surface pressure increases in compression cycles of saturated fatty acids.

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