以环氧氯丙烷(EPIC)与十二烷基二甲基胺在丙酮溶剂中反应,然后与己二酸酯化合成含酯基Gem in i型季铵盐表面活性剂:3,3′-己二酰氧基-2,2′-二羟基-二丙基-双(十二烷基二甲基氯化铵),它可生物降解。用正交实验法对其合成条件进行了优化...以环氧氯丙烷(EPIC)与十二烷基二甲基胺在丙酮溶剂中反应,然后与己二酸酯化合成含酯基Gem in i型季铵盐表面活性剂:3,3′-己二酰氧基-2,2′-二羟基-二丙基-双(十二烷基二甲基氯化铵),它可生物降解。用正交实验法对其合成条件进行了优化,在优化的合成条件下反应产率达65.3%。用IR1、HNMR、元素分析方法对产物结构进行了表征。其性能测试结果显示,临界胶束浓度为1.43×10-5mol/L,表面张力为38.7 mN.m-1,有优良的织物柔软性能。展开更多
The bactericidal activities of two series of quaternary Gemini surfactants have been examined by the suspension quantitative germicidal tests against Escherchia, Staphylococcus aureus and Candida alibicans respectivel...The bactericidal activities of two series of quaternary Gemini surfactants have been examined by the suspension quantitative germicidal tests against Escherchia, Staphylococcus aureus and Candida alibicans respectively, the dodecyltrimethylammonium bromide(C 12TABr) was used for comparison. All of the quaternary Gemini surfactants showed superior bactericidal activities to C 12TABr due to higher densities in both headgroup charge and alkyl chains.展开更多
文摘以环氧氯丙烷(EPIC)与十二烷基二甲基胺在丙酮溶剂中反应,然后与己二酸酯化合成含酯基Gem in i型季铵盐表面活性剂:3,3′-己二酰氧基-2,2′-二羟基-二丙基-双(十二烷基二甲基氯化铵),它可生物降解。用正交实验法对其合成条件进行了优化,在优化的合成条件下反应产率达65.3%。用IR1、HNMR、元素分析方法对产物结构进行了表征。其性能测试结果显示,临界胶束浓度为1.43×10-5mol/L,表面张力为38.7 mN.m-1,有优良的织物柔软性能。
文摘The bactericidal activities of two series of quaternary Gemini surfactants have been examined by the suspension quantitative germicidal tests against Escherchia, Staphylococcus aureus and Candida alibicans respectively, the dodecyltrimethylammonium bromide(C 12TABr) was used for comparison. All of the quaternary Gemini surfactants showed superior bactericidal activities to C 12TABr due to higher densities in both headgroup charge and alkyl chains.
