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SDS/C4H9OH/H2O微乳液、溶致液晶体系中泡沫的稳定性

THE STABILITY OF FOAM IN MICROEMULSION AND LIQUID CRYSTAL IN SDS/C4H9OH/H2O SYSTEM

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【作者】 郭荣于卫里戴乐蓉

【Author】 Guo Rong; Yu Weili; Dai Lerong (Dept of Chem and Chem Engin, Teachers Coll, YangZhou Univ, Yangzhou, 225002;Dept of Chem, Beijing Univ, Beijing, 100871)

【机构】 扬州大学师范学院化学化工系!扬州225002北京大学化学系!北京100871

【摘要】 在SDS/C4H9OH/H2O体系中,以微乳液为介质制备泡沫,其稳定性随表面活性剂浓度的增加而降低,且以O/W微乳液为介质比以双连续结构微乳液为介质制备的泡沫稳定性高。以微乳液-溶致液晶两相体系为介质制备泡沫,其稳定性随液晶含量的增加而增加,但液晶含量过多反而降低了泡沫的稳定性。在微乳液单相体系和微乳液-溶致液晶两相体系中所制的泡沫,其高度随时间的变化符合一级反应动力学方程。

【Abstract】 The stability of the foam formed in microemulsion in SDS/C4H9OH/H2O system decreases with the increase of the content of surfactant. The foam formed in O/W microemulsion has a higher stability than that formed in bicontinuous microemulsion. The stability of the foam formed in microemulsion-liquid crystal bi-phase increases with the content of the crystal but decreases with too much crystals. The change of the foam height with time in microemulsion system or microemulsion-liquid crystal system corresponds to the first-class dynamic equation.

【关键词】 泡沫表面活性剂微乳液溶致液晶
【Key words】 foamsurfactantmicroemulsionliquid crystal
【基金】 国家自然科学基金
  • 【文献出处】 扬州大学学报(自然科学版) ,JOURNAL OF YANGZHOU UNIVENSITY NATARAL SCIENCE EDITION , 编辑部邮箱 ,1998年01期
  • 【分类号】O647.1
  • 【被引频次】1
  • 【下载频次】111
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