【摘要】 采用硫酸催化α-烯烃磺酸与烷基苯合成烷基苯烷基磺酸,分析了温度、反应物与催化剂的摩尔比、空气等试验条件对最终产物的影响。结果表明,温度138℃,烷基苯与α-烯烃磺酸、硫酸的摩尔比为1.05∶1∶0.1,通氮气时得到最佳产物,通过对合成的烷基苯烷基磺酸中和提纯得到的烷基苯烷基磺酸盐进行性能测试达到较低cmc(0.011mM)。更多还原

【Abstract】 Dialkylbenzene sulfonic acid was synthesized by olefin sulphonate and alkyl benzene using sulfuric acid as the catalyst and the effect of the temperature and the mol-ratio of the reactant and the catalyst, air, etc. on the final product was investigated. The results show that an optimal product can be obtained at the conditions of a temperature of 138 ℃, a mol ratio between alkyl benzene, olefin sulphonate and sulfuric acid of 1.05:1:0.1 and an oxygen introduction. The synthesized dialkylbenzene sulfonic acid was then neutralized and purified to obtain dialkylbenzene sulphonate, which is proved to contain a low cmc(0.11mM) by a performance test.更多还原