화학공학소재연구정보센터
Journal of the Korean Industrial and Engineering Chemistry, Vol.8, No.2, 246-251, April, 1997
당류를 친수기로 한 비이온성 계면활성제계의 상거동(제2보)-슈크로오스 팔미테이트/알칸올/물 계에서의 상거동-
The Phase Behavior of Nonionic Surfactants having Sucrose as Hydrophilic Group(Ⅱ)-The Phase Behavior of Sucrose Monopalmitate/Alkanol/Water System-
초록
당류를 친수기로 한 슈크로오스 모노팔미테이트에 대한 3성분계 즉, 슈크로오스모노팔미테이트/알칸올/물계에서의 상거동을 각 조성에 따라 조사하였다. 미셀영역에서 여러 액정영역에 이르기까지 각 성분의 조성을 변화시키면서 정온 및 변온하에 여러 상의 구조를 온도조절기와 카메라가 부착된 편광현미경으로 비교 관찰하였다. 극성물질인 알칸올의 탄소수 증가에 따른 3성분계에서의 상거동을 관찰한 결과, 헥산올<옥탄올<데칸올 순으로 비교적 넓은 영역에서 비등방성의 여러 액정상이 존재하였으며, 이를 토대로 에멀젼이나 가용화계의 포뮬레이션에 적용할 수 있다.
The phase behavior of sucrose monopalmitate/alkanol/water ternary system was investigated. According to compositions of three ranging from micellar(or inverse micellar) solution up to various lyotropic liquid crystalline(LC) phase, each texture of the separated phases was identified by crossed polarizers equipped with a camera whose stage was connected to a thermostatic circulator. As the carbon atom number in alkanol of the polar oily substance increases, patterms of the various LC phases were also observed hexanol<octanol<decanol in order, and thus could be also applied to formulation of the emulsified or solubilized systems.
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