微通道反应法合成乙二醇单乙烯基醚的工艺研究  

Study on Synthesis of Ethylene Glycol Vinyl Ether by Microchannel Reactor

作　　者：史海峰 张玉玺 吴秉琪 SHI Haifeng;ZHANG Yuxi;WU Bingqi(Boai NKY Pharmaceuticals Co.,Ltd.,Jiaozuo 454450,China)

机构地区：[1]博爱新开源医疗科技集团股份有限公司,河南焦作454450

出　　处：《河南化工》2024年第8期21-23,33,共4页Henan Chemical Industry

摘　　要：以乙二醇(EG)和乙炔为原料,以氢氧化钾为催化剂,使用微通道反应器合成乙二醇单乙烯基醚(EGVE),考察合成工艺参数对转化率和反应选择性的影响,并通过红外确认目标产物。结果表明,最佳的微通道反应法合成工艺条件为温度180℃,背压0.75 MPa,催化剂量为6%~8%,进液速度1 mL/min。反应后转化率为28%以上,反应选择性为85%以上,红外结构与标准图谱一致。Using ethylene glycol and acetylene as raw materials,and potassium hydroxide as catalyst,ethylene glycol vinyl ether is synthesized by microchannel reactor.The effects of different conditions on reaction conversion and selectivity are studied,and the product is confirmed by infrared spectroscopy.The results show the best synthesis conditions of microchannel reaction method are that reaction temperature is 180℃,the pressure behind microchannel reactor is 0.75 MPa,the amount of catalyst is 6%~8%,the speed of liquid is 1 mL/min.The conversion rate after reaction is above 28%.The reaction selectivity is above 85%.The infrared structure is consistent with the standard spectrum.

关 键 词：乙二醇单乙烯基醚 微通道反应器 乙二醇 乙炔 

分 类 号：O623.423[理学—有机化学] TQ426.1[理学—化学]