The enhancement of the esterification of adipic acid with methanol was achieved by coupling distillation or pervaporation with PVA/PAN composite membrane to remove water from the reaction system.

• 摘要以己二酸二甲酯的合成为目标反应，选用聚乙烯醇／聚丙烯腈(PVA/PAN)复合膜为渗透汽化膜，比较了蒸馏脱水与渗透汽化脱水对酯化反应转化率的影响。