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Cephanone is found to show the hydrotrope and hydrotrope-solubilization action in CTAB/n-C5H11OH/H2O system. Cephanone can increase the solubilities of cationic surfactant CTAB or
n-C5H11OH in water and water in
n-C5H11OH. It can also increase the solubilization amount of
n-C5H11OH in O/W microemulsion and that of water in W/O microemulsion, which makes the two regions of O/W and W/O microemulsion larger, and even linked together. The mechanism of the hydrotrope-solubilization action of cephanone is related to the location of cephanone in the palisade of microemulsion which causes the stability of O/W and W/O microemulsion to be enhanced and that of lamellar liquid crystal to be reduced. Therefore, the mechanism of hydrotrope-solubilization is the structural transition from lamellar liquid crystal to the bicontinuous structure. 相似文献
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