【摘要】 本文先采用棕榈油与甲醇反应制备脂肪酸甲酯,然后将所得脂肪酸甲酯与蔗糖在1,2-丙二醇体系中反应制备蔗糖酯。采用单因素法优化了蔗糖酯制备的反应条件,优化条件为:碳酸钾用量为反应物质量的23.5%、丙二醇用量为蔗糖质量的3.7倍、反应温度70℃和时间9h,在该优化条件下,蔗糖酯产率达70.8%。更多还原

【Abstract】 Fatty acid methyl ester was firstly obtained through transesterification of palm oil with methanol, then obtained fatty acid methyl ester was used for sucrose fatty acid ester synthesis in 1,2-propylene glycol system. Optimum reaction conditions for sucrose ester synthesis were K2CO323.5% of sucrose and fatty acid methyl ester, weight ratio of1,2-propylene glycol to sucrose 3.7∶1 and reaction temperature 70 ℃, under these conditions after 9 h reaction, product yield of sucrose ester at 70.8% was obtained.更多还原