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    Experimental results indicated that the optimum conditions of esterification reaction are the molar ratio of o-phthalic acid, n-butyl alcohol and sodium hydrogen sulfate 1:2. 6:0. 22, the reaction time 1. 5 h,and the yield up to 94.24%.
    实验结果表明:酯化反应的优化条件为邻苯二甲酸、正丁醇、硫酸氢钠物质的量比为1:2.6:0.22,反应时间1.5h。 产率可达94.24%。
    Experimental results indicated that the optimum conditions of esterificationreaction are as follows: the mole ratio of oleic acid, n-butyl alcohol and p-toluene sulfonic acid 1∶2∶0.15, the reaction time 70 minand the yield up to 93.92%.
    实验结果表明,酯化反应的优化条件为油酸、正丁醇、对甲苯磺酸摩尔比为1:2:0.15,反应时间70min,产率可达93.92%。
    The factors influencing reaction were discussed. The results indicated the optimum conditions of esterification reaction are the molar ratio of hexanoic acid isopentanol and phsphotungstic acid pure 1:3:0.00024,the reaction time 40min,and the yield up to 98.92%.
    考察了影响反应的因素,实验结果表明酯化反应的最佳条件:己酸、异戊醇、磷钨酸的摩尔比为1∶3∶0.00024,反应时间40min. 产率可达98.92%.
    The factors of influencing reaction were investigated. Experimental results indicated that the optimum conditions of esterification reaction are:the molar ratio of acetic acid and p-cresol and p-toluene sulphonic acid supported on active carbon is 1∶2∶0.064,the reaction temperature is 130~150 ℃,the reaction time is 30min,and the yield up to 95.87%.
    考察了影响反应的因素,实验结果表明酯化反应的最佳条件:乙酸、对甲苯酚、活性碳负载对甲苯磺酸的摩尔比为1∶2∶0.064,反应温度在130~150℃,反应时间30 m in,产率可达95.87%。
    The factors of influencing reaction were investigated. Experimental results indicated that the optimum conditions of esterification reaction are the molar ratio of cis-2-butendioic anhydride 1-butanol and phsphotungstic acid pure 1:3:0.00024,the reaction time 45min,and the yield up to 96.05%.
    考察了影响反应的因素 ,实验结果表明酯化反应的最佳条件 :顺丁烯二酸酐、正丁醇、磷钨酸的摩尔比为 1:3:0 0 0 0 2 4 ,反应时间 4 5min。 产率可达 96 .0 5 %。
    The factors of influencing reaction were investigated. Experimental results indicated that the optimum conditions of esterification reaction are the molar ratio of hexanoic acid isopentanol and p-tolueue sulphonic acid 1:3:0.074,the reaction timel 15min,and the yield up to 98.92%.
    考察了影响反应的因素 ,实验结果表明酯化反应的最佳条件 :己酸、异戊醇、对甲苯磺酸的摩尔比为 1:3:0 0. 74 ,反应时间 15~2 0min。 产率可达 98 .92 %。
 

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