Preparation and Properties of D Phase Emulsion by Silicone Oil

계면활성제 유화법에 의한 D상 유화물 제조와 특성

  • Kim, Hyung-Jin (Department of Industrial and Engineering Chemistry, Chungbuk National University) ;
  • Jeong, Noh-Hee (Department of Industrial and Engineering Chemistry, Chungbuk National University) ;
  • Kim, Hong-Soo (Department of Chemical Engineering, Chungcheong College) ;
  • Lee, Seung-Yeul (KAIST High-tech Complex 4104 A-prc) ;
  • Nam, Ki-Dae (Department of Industrial and Engineering Chemistry, Chungbuk National University)
  • 김형진 (충북대학교 공업화학과) ;
  • 정노희 (충북대학교 공업화학과) ;
  • 김홍수 (충청대학교 화학공업과) ;
  • 이승열 (한국과학기술원 신기술사업센터 (주)에이프로) ;
  • 남기대 (충북대학교 공업화학과)
  • Received : 1998.02.19
  • Accepted : 1999.09.08
  • Published : 1999.10.10


D phase emulsification has been developed and elucidated the emulsification mechanism by using phase diagrams. The process of D phase emulsification begins with the formation of isotropic surfactant solution, follows by formation of oil-in-surfactant (O/D) gel emulsion by dispersion of octamethylcyclotetra siloxane(OMCS) in the surfactant solution. Polyols were essential components for this experiments. To understand the function of polyols, the solution behaviors of nonionic surfactant/oil/water/polyol systems were investigated by the ternany phase diagrams of polyoxyethylene oleyl ether/OMCS/propylene glycol(PG) aqueous solutions. The solubility of oil in the isotropic surfactant phase was increased with the addition of PG. D phase emulsion was formed in the range of 70~90% of OMCS and 2.0~3.0 dyne/cm of interfacial tension and the structure was homogenious spherical and O/W type and its diameter was about $10{\mu}m$.




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