A novel amphoteric surfactants,betaine type phosphate were synthesized from lauryl alcohol,epichlorphydyin,dimethylamine,chlorohydrin,acetic anhydride,phoshorus(V)oxide.The physicochemical properties of the products...A novel amphoteric surfactants,betaine type phosphate were synthesized from lauryl alcohol,epichlorphydyin,dimethylamine,chlorohydrin,acetic anhydride,phoshorus(V)oxide.The physicochemical properties of the products such as surface tension,foaming property,dispersion of calcium soap and solubilizing power were measured.展开更多
N,N-二甲基-1,3-丙二胺(1)与丙烯酸甲酯经Michael加成反应制得N,N-二甲基-N'-甲氧酰丙基-1,3-丙二胺(2);2经胺基保护、季铵盐化及水解反应合成了一种新型的甜菜碱两性表面活性剂(6),其结构经1H NMR,IR和ESI-MS表征。通过电导率法测...N,N-二甲基-1,3-丙二胺(1)与丙烯酸甲酯经Michael加成反应制得N,N-二甲基-N'-甲氧酰丙基-1,3-丙二胺(2);2经胺基保护、季铵盐化及水解反应合成了一种新型的甜菜碱两性表面活性剂(6),其结构经1H NMR,IR和ESI-MS表征。通过电导率法测得6的CMC为1.48×10-4mol·L-1,滴体积法测得γCMC为39.99 m N·m-1,Krafft点小于0℃。乳化与泡沫性能研究结果表明:6具有较好的表面活性,且乳化性和泡沫性能优良。展开更多
文摘A novel amphoteric surfactants,betaine type phosphate were synthesized from lauryl alcohol,epichlorphydyin,dimethylamine,chlorohydrin,acetic anhydride,phoshorus(V)oxide.The physicochemical properties of the products such as surface tension,foaming property,dispersion of calcium soap and solubilizing power were measured.
文摘N,N-二甲基-1,3-丙二胺(1)与丙烯酸甲酯经Michael加成反应制得N,N-二甲基-N'-甲氧酰丙基-1,3-丙二胺(2);2经胺基保护、季铵盐化及水解反应合成了一种新型的甜菜碱两性表面活性剂(6),其结构经1H NMR,IR和ESI-MS表征。通过电导率法测得6的CMC为1.48×10-4mol·L-1,滴体积法测得γCMC为39.99 m N·m-1,Krafft点小于0℃。乳化与泡沫性能研究结果表明:6具有较好的表面活性,且乳化性和泡沫性能优良。