摘要
用固体超强酸SO42-/Fe2O3做催化剂,将丙二醇和硬脂酸直接合成丙二醇硬脂酸酯,讨论了诸因素对合成的影响,得出最佳反应条件。合成反应的最优化条件为,醇酸摩尔比为1∶1,反应温度为145℃,催化剂占酸用量1.0%(m/m),反应时间100min。
Propylene-glycol stearate was prepared directly by reacting stearic with propylene-glycol using solidsuperacid SO42-/Fe2O3 as catalyst.The influence factors were discussed and the optimum conditions obtained was as follows：the molar ratio of propylene-glycol and stearic is 1∶1,ratio of catalyst and stearic,0.01∶1（m/m）;reaction temperature is 140～150℃;the amount of catalyst in acid is 1.0 %（m/m）,reaction time is 100 min.
出处
《河南城建学院学报》
CAS
2010年第2期50-51,共2页
Journal of Henan University of Urban Construction
