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《JOURNAL OF YUNNAN UNIVERSITY (NATURAL SCIENCES)》 2000-02
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The Structural Parameters,Change of Standard Free Energy and Activation Energies of w/o Type Microemulsions and Their Effect Factors

YANG Zhong min, XIN Wen yu, ZHANG Jing (Department of Chemistry,Yunnan University,Kunming 650091,China)  
The structural parameters,change of standard free energy for hexanol to transfer from the continuous phase to the interfactial membranes,and activation energies for SDS(sodium dodecyl sulfate) 1 hexanol alkane water or aquatic solution system were calculated by means of dilution method or measurment of electric conductivity.The effects of the cabon atom numbers of alkane,temperiture and salt were studied.In 30~45℃ range of temperature,the linear relationships exist between the structure paramiter or ΔG 0 c→i  and the carbon atom number of alkane,too.At 0.010?mol·L -1 NaCl solution,the activation energe △E is maximum,the radius of inner water droplet R w and the effective radius of particle R e are minimum,the stability of the microemulsion is maximum.
【Fund】: 云南省应用基础研究基金资助项目!( 98B0 14M )
【CateGory Index】: O647.11
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