Diisooctyl maleate by using ion exchange resin as catalyst and taking maleic anhydride and iso-octanol as materials,used ecess mole ratio alcohol to anhydride was synthesised.

• 用阳离子交换树脂作催化剂,以顺丁烯二酸酐和异辛醇为原料,采用醇化学当量过量的方法制取马来酸二异辛酯。