Synthesis and Micellization Properties of New Anionic Reactive Surfactants Based on Hydrogenated Cardanol
作者:Suresh Kattimuttathu、Gesche Foerst、Rolf Schubert、Eckhard Bartsch
DOI:10.1007/s11743-011-1294-z
日期:2012.3
spectroscopic techniques. The surfactant properties of the sulfonated acrylates were measured and compared with the standard non‐reactive anionic surfactant sodium dodecyl sulfonate. The micellization behavior of aqueous solutions was studied using conductivity, surface tension measurements, and the fluorescence probe technique based on diphenyl hexatriene. Characterization by surface tension measurements facilitated
我们报告了两种可从可再生资源腰果酚中获得的基于3-十五烷基苯酚的阴离子型活性表面活性剂的合成,表征和胶束化性质。通过简单的化学转化即可完成合成,首先将苯酚转化为在第二步中被磺化的丙烯酸酯。产品通过元素分析和光谱技术表征。测量了磺化丙烯酸酯的表面活性剂性能,并与标准的非反应性阴离子表面活性剂十二烷基磺酸钠进行了比较。使用电导率,表面张力测量和基于二苯基己三烯的荧光探针技术研究了水溶液的胶束化行为。通过表面张力测量进行表征有助于确定基本表面活性剂性能,例如临界胶束浓度(CMC),CMC处的表面张力,表面过量和每个表面活性剂分子的面积。胶束化的吉布斯自由能显示为负值,表明在水溶液中自发胶束化。表面活性剂的较低表面自由度和较低的自由能表明,在苯环和丙烯酸酯基团之间带有乙烯间隔基的表面活性剂的胶束化作用似乎得到了增强。其CMC也较低。表面活性剂的较低表面自由度和较低的自由能表明,在苯环和丙烯酸酯基团