An octane number improver, diisopentyl oxalate was synthesized with oxalic acid and isopentyl alcohol as raw materials and the above acid catalyst. 以草酸和异戊醇为原料,掺杂了氧化镧的硫酸钛为催化剂,合成了草酸二异戊酯。
Abstract: In the presence of heteropoly acid catalyst PW12/ Si02, lactic acid reacts with isopentyl alcohol to form isopentyl lactate. 用固载杂多酸PW12/SiO2为催化剂,实现了乳酸与异戊醇反应合成乳酸异戊酯。
Diisopentyl oxalate was synthesized by the esterification of oxalic acid and isopentyl alcohol in the presence of HF-101 strong acidic ion exchange membrane. 以HF-101强酸型离子交换膜为催化剂,由草酸与异戊醇为原料合成了草酸二异戊酯。
Diisopentyl oxalate is prepared by the oxalic acid and isopentyl alcohol, using SO 2-/ Fe 2O 3 as catalyst. The optimum condition is found by orthogonal experiment, with three levels and three factors. 以固体酸SO2-4/Fe2O3为催化剂,草酸和异戊醇为原料,采用三因素三水平进行正交实验,筛选出合成草酸二异戊酯的最佳合成条件。
Diisopentyl oxalate was synthesized by the esterification of oxalic acid and isopentyl alcohol in the presence of SO~ ( 2-)_4/ TiO_2 solid superacid catalysts. The effects of activating temperatures, quantities of catalysts, ratio of reactants and repeatability were discussed. 以SO2-4-TiO2固体超强酸为催化剂,由草酸和异戊醇为原料合成了草酸二异戊酯,考察了催化剂活化温度、原料配比和催化剂用量对反应的影响以及催化剂的重复使用性。
By using the superacid SO 2-4/ Fe 2O 3 and strong acidic cation resin as catalysts, respectively, diisopentyl oxalate was prepared with oxalic acid and isopentyl alcohol. 分别以固体超强酸SO42-/Fe2O3和强酸性阳离子交换树脂为催化剂,草酸和异戊醇为原料合成了草酸二异戊酯,并通过正交试验筛选出各自的最佳工艺条件。