摘要
经测定，水解前后直链烷基苯磺酸中游离油的数量及组成与ＳＯ３／ＬＡＢｍｏｌ比有密切的联系。高性能液相色谱（ＨＰＬＣ）分析表明：水解前，游离油由酸酐、ＬＡＢ及砜组成，而且其数量及组成随ＳＯ３／ＬＡＢｍｏｌ比的提高变化很大；另外，通过ＨＰＬＣ测定酸酐、ＬＡＢ及砜的同系物的分布，并与起始的ＬＡＢ进行了比较。通过这种方法，可建立不同反应的动力学。
Free-oil amount and composition of LAB-sulphonic acid were determined before and after hydrolysis as a function of the SO3/LAB molar ratio.HPLC analysis indicates that the free-oil before hydrolysis is composed of anhydrides,LAB and sulphones and that the amount and composition strongly change as the SO3/LAB molar ratio increases.Additionally the distribution of anhydride,LAB and sulphone homologues were determined by HPLC and compared with the starting LAB.By this method the kinetics of the different reactions could be established.
出处
《日用化学品科学》
CAS
1999年第2期7-9,共3页
Detergent & Cosmetics
