复合无机盐催化合成己二酸二正辛酯
Journal of Xuchang University(2014)
Abstract
经复合得到Fe2(SO4) 3-K2SO4催化剂,并由己二酸和正辛醇为原料合成己二酸二正辛酯,研究了酯化反应的影响因素.结果表明,该催化剂对酯化反应具有良好的催化活性.合成己二酸二正辛酯的最佳条件是:己二酸的物质的量为0.05 mol,醇酸物质的量比为2.2∶1,催化剂用量为1.1g,反应温度为85 ~100℃,带水剂环己烷为10 mL,回流分水约1.5h,此时酯化率可达92.2%.
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