Acta Phys. -Chim. Sin. ›› 1994, Vol. 10 ›› Issue (05): 468-471.doi: 10.3866/PKU.WHXB19940519

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Microemulsion and Lyotropic Liquid Crystal of Triton X-100/C10H21OH/H2O System

Yan Peng-Quan , Guo Rong, Liu Zheng-Ming, Zhu Xia-Shi, Shen Ming   

  1. Chemistry Department Yangzhou Teacher's College, Yangzhou 225002
  • Received:1992-11-13 Revised:1993-04-10 Published:1994-05-15
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Abstract:

There are four single phase regions in part of the phase diagram for Triton X-100-C_(10)H_(21)OH/H_2O system. These are O/W region, W/O region, lamellar liquid crystal region, and hexagonal liquid crystal region. In the O/W region, the maximum molecular ratio of Thiton X-100 to C10H21OH is about 2.4~2.5. The maximum solubilization of water in the W/O region is related to both the weight ratio of Triton X-100 to C_(10)H_(21)OH and the formation of lamellar liquid crystal. The interlayer spacing of lamellar liquld crystal at constant water content decreases with increasing weight ratio of C_(10)H_(21)OH/Triton X-100 which is related to the penetration of water in the lamellar phase.

Key words: O/W microemulsion, W/O microemulsion, Lamellar liquid crystal, Triton X-100