한국응용과학기술학회지 (Journal of the Korean Applied Science and Technology)

  • 제21권4호
  • /
  • Pages.279-288
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  • 2004
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  • 1225-9098(pISSN)
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  • 2288-1069(eISSN)
한국응용과학기술학회 (The Korean Society of Applied Science and Technology)
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Beeswax와 실리콘계 계면활성제를 사용한 W/O유화계에서 액정의 형성 및 안정도에 관한 연구

Studies on the Formation of Liquid Crystal and the Stability in W/O Emulsion Systems using Beeswax and Silicone Surfactant

  • 최문재 ((주)네비온) ;
  • 이영무 (한양대학교 공과대학 화학공학부) ;
  • 진병석 (동덕여자대학교 자연과학대학 응용화학부)
  • 발행 : 2004.12.31
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초록

Liquid crystal (LC) system was introduced into W/O emulsion in order to enhance the stability and moisturizing effect. The LC system, composed of beeswax, surfactant, and water was formed on the surface of emulsion droplet, which was investigated through a polarized microscope. The phenomenon that the viscosity in W/O emulsion system is decreased with time, was reduced by the formation of LC with the addition of beeswax. Centrifugal separation test showed that the stability of emulsion system was increased with the addition of beeswax to 3%. The color change of vitamin C was delayed in LC emulsion systems, which indicates stabilization effect against the oxidation of vitamin C. Evaporation rate in W/O emulsion was retarded by LC, so that high moisturizing effect is expected in W/O LC system.

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참고문헌

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