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Effects of the dispersed droplet sizes on the critical behavior of pseudobinary microemulsion 被引量:1

Effects of the dispersed droplet sizes on the critical behavior of pseudobinary microemulsion
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摘要 The critical behavior of pseudobinary microemulsion systems{water/sodium di(2-ethylhexyl)sulfo- succinate(AOT)/n-decane}with various droplet sizes was studied by measurements of refractive index. It was found that the critical exponentsβfor all systems approach 0.327 in a region sufficiently close to the critical temperature,which is consistent with 3D-Ising universality class.The critical temperatures linearly decrease as the dispersed droplet sizes increase.The critical amplitude almost linearly in- creases with increasing the dispersed droplet sizes. The critical behavior of pseudobinary microemulsion systems {water/sodium di(2-ethylhexyl) sulfo- succinate (AOT)/n-decane} with various droplet sizes was studied by measurements of refractive index. It was found that the critical exponents ,6 for all systems approach 0.327 in a region sufficiently close to the critical temperature, which is consistent with 3D-Ising universality class. The critical temperatures linearly decrease as the dispersed droplet sizes increase. The critical amplitude almost linearly increases with increasing the dispersed droplet sizes.
出处 《Chinese Science Bulletin》 SCIE EI CAS 2007年第8期1139-1141,共3页
基金 Supported by the National Natural Science Foundation of China(Grant Nos.20673059,20273032,20473035 and 20573056) the New Technique Foundation of Jiangsu Province,China(Grant No.BG-2005041) and the Special Sustentation Fundof Nanometer Technology of Shanghai City,China(Grant No.0652nm010)
关键词 伪二元微乳液 分散微滴大小 临界行为 振幅 microemulsion, critical behavior, critical exponent, critical amplitude, AOT
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