酰胺化羊毛脂琥珀酸酯磺酸钠盐的合成

以羊毛脂为原料,通过酰胺化、单酯化和亚硫酸化制得了酰胺化羊毛脂琥珀酸酯磺酸钠盐。对各步反应条件进行了优化。羊毛脂与单乙醇胺质量比为100∶4时,优化的酰胺化反应条件为反应温度125℃,反应时间4 h,单乙醇胺的转化率为90.42%。酰胺化羊毛脂与马来酸酐的质量比为100∶10时,优化的单酯化反应条件为反应温度90℃,反应时间2 h,马来酸酐酯化率为96.11%。n(亚硫酸钠)/n(单酯)=1.05时,优化的亚硫酸化反应条件为反应温度80℃,时间2 h,亚硫酸钠的转化率为94.6%。

Synthesis of Sulfonated Amidate Lanolin Succinate

Sulfonated amidate lanolin succinate was synthesized by amidate,monoesterification and sulfonation with lanolin,maleic anhydride,monoethanolamine and sodium sulfite.The optimum amidate reaction conditions between lanlion and monoethanolamine are:m(lanolin)∶m(monoethanolamine)=100∶4,reaction temperature 125 ℃,reaction time 4 h,conversion of monoethanolamine 90.42%.The optimum monoesterification reaction conditions between amidate lanlion and maleic anhydride are:m(amidate lanolin)∶m(maleic anhydride)=100∶10,reaction temperature 90 ℃,reaction time 2 h,esterification of maleic anhydride 96.11%.The optimum reaction conditions:The molar ratio of amidate lanlion maleic monoester and Na2SO3 are:n(Na2SO3)/n(maleic monoester)=1.05,reaction temperature 80 ℃,reaction time 2 h,conversion of sodium sulfite 94.6%.