The Phase Behavior of Ternary System Containing Polysorbate Nonionic Surfactants

폴리솔베이트 비이온성계면활성제를 함유한 3성분계의 상거동

  • Jeong, Jin-Gi (Korea Institute of Geology, Mining and Materials) ;
  • Shin, Do-Keun (Dept. Ind. Chem. Engng, Chung Buk National University) ;
  • Lee, Jin-Hee (Dept. Ind. Chem. Engng, Chung Buk National University) ;
  • Nam, Ki-Dae (Dept. Ind. Chem. Engng, Chung Buk National University)
  • 정진기 (한국자원연구소) ;
  • 신도근 (충북대학교 공과대학 공업화학과) ;
  • 이진희 (충북대학교 공과대학 공업화학과) ;
  • 남기대 (충북대학교 공과대학 공업화학과)
  • Received : 1997.03.19
  • Accepted : 1997.06.14
  • Published : 1997.08.10

Abstract

In this study, the mechanism on the phase behavior of polysorbate nonionic surfactants was investigated. In the ternary system containing water, hexanol as a polar oil and surfactant, the phase behaviors ranging from micellar region to occurrence of liquid crystal phase were observed by crossed microscope. As results, fine mosaic texture of liquid crystal phase and other phases were examined in the range of 20~70 wt%. This range if thought to give information about the basic data for the formulation of more stable emulsifying systems or dispersed systems. According to the alkyl chain length, three phase region diminished, whereas two phase range increased without an observation of the anisotropic liquid crystalline phase.

Keywords

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