微通道反应器中快速合成巯基乙酸甲酯

Journal of Nanjing University of Technology(Natural Science Edition)(2013)

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Abstract
采用微通道反应器合成巯基乙酸甲酯,考察通道管径、催化剂用量、停留时间、反应温度和醇酸初始摩尔比对酯合成反应的影响。结果表明:通道尺寸对产品收率影响较大,减小微通道的管径能显著提高酯的收率;使用内径0.6 mm的不锈钢毛细管反应器,在适宜的工艺条件下,仅需14.3 min的反应时间,巯基乙酸甲酯收率达94%以上,与常规间歇釜式反应器相比,反应时间大大缩短,酯收率明显提高。
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Key words
esterification reaction,methyl-mercaptoacetate,micro-channel reactors
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