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Citation: Ma Chengsong, Li Ganzuo, Shen Qiang, Wang Hanqing. Study of Lyotropic Liquid Crystals Formed by Mixed C-H/C-F Surfactants[J]. Chinese Journal of Applied Chemistry, ;1997, 14(4): 50-54. shu

Study of Lyotropic Liquid Crystals Formed by Mixed C-H/C-F Surfactants

1.
1. Department of Chemistry, Shandong University, Ji'nan 250100;
2.
2. Lanzhou Institute of Chmical Physics, Chinese Academy of Sciences, Lanzhou

Received Date: 22 October 1996
Available Online: 19 May 1997

Lyotropic liquid crystals formed from mixed surfactants perfluorooctanoic sodium/hexadecyltrimethyl ammonium bromide(OBS/CTAB-H₂O-C₄H₉OH) have been used to determine the phase regions. The area of phase region in present system was bigger than that in CTAB-C₄H₉OH-H₂O system. Some typical photographs were obtained by polarized light microscope. The geometrical dimensions were determined by small angle X-ray diffraction. The ²H NMR method together with liquid crystals' photographs were applied to determine the exact liquid crystals' structure.
- perfluorooctanoic sodium,
- hexadecyltrimethyl ammonium bromide,
- mixed surfactant system,
- crystal texture,
- small angle X-ray diffraction,
- ²H NMR
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