The epoxidation reaction of maleic acid by heteropolyacid catalyst is studied.The influences of various factors on the reaction are discussed and the optimum reaction conditions are determined.

• 本文以杂多酸为催化剂对顺丁烯二酸的环氧化反应进行了研究，讨论了各因素对反应的影响，并确定了最佳反应条件。