2,2,4-三甲基-1,3-戊二醇单异丁酸酯的合成研究

Research on the Synthesis of 2,2,4-Trimethyl-1,3-pentanediol Isobutyrate

对连续法合成及分离 2 ,2 ,4 -三甲基 -1,3 -戊二醇单异丁酸酯的工艺进行了研究 ,得到反应最佳条件为 :反应温度90℃ ,停留时间 8min ,反应压力 0 .8～ 1.0MPa。反应单程收率大于 60 % ,产品纯度 98%以上。

This paper describes the method for continual preparation and separation of 2,2,4-trimethyl-1,3-pentanediol isobutyrate.The optimum reaction conditions are as follows;the reaction temperature is 90℃,the reaction time is 8 min,the reaction pressure is 0.8～1.0MPa.The single-pass yield of product is above 60%,and the purity above 98%.