滑石分子筛固载磷钨酸催化酯化制备富马酸二甲酯  

Catalytic Synthesis of Dimethyfumarate with Phospho-tungstic Acid(PW_(12)) Supported by Molecular Sieve

作　　者：林松竹[1] 尹荣[2] 陈晓波[2] 

机构地区：[1]东北电力学院应用化学系,吉林吉林132012 [2]北华大学基础部,吉林吉林132011

出　　处：《东北电力学院学报》2004年第2期26-28,共3页Journal of Northeast China Institute of Electric Power Engineering

摘　　要：以富马酸和甲醇为原料 ,用滑石分子筛固载磷钨酸催化合成富马酸二甲酯。讨论了催化剂用量、醇酸比、反应时间、反应温度等对合成富马酸二甲酯的影响。结果表明 ,该催化剂具有较高的活性、可重复使用 ,利用该方法所得产品的后处理容易、生产成本低 ,污染小。Synthesis of dimethyfumarate(DMF) was studied with easterification of fumaric acid and methanol catalyzed by supported phospho tungstic acid catalyst(PW 12 ).The effects of the catalyst content,ratio of methanol to fumaric acid,reaction time and reaction temperature on the reaction were investigated.The results show that the catalyst has high catalytic efficiency for the esterification and the catalyst can be reused over seven times,The method has produced less pollutants.

关 键 词：滑石分子筛 磷钨酸 催化酯化 富马酸二甲酯 

分 类 号：TQ424.25[化学工程]