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甲基丙烯醛一步氧化酯化制备甲基丙烯酸甲酯
Authors
张锁江
李增喜
+3 more
李桂花
李铭岫
赵威
Publication date
1 January 2004
Publisher
Abstract
制备了用于甲基丙烯醛(MAL)一步氧化酯化为甲基丙烯酸甲酯(MMA)的新型催化剂.在常压和连续搅拌的条件下,考察了反应条件对MAL转化率和MMA选择性的影响,并对反应动力学进行了初步研究.实验结果表明:当反应温度50℃、氧气流速6mL/min、甲醇与甲基丙烯醛的摩尔比75、催化剂在反应物中含量2.4%、反应时间60min时,MAL的转化率可达99.4%,MMA的选择性为95.7%
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Last time updated on 11/04/2021