偏氯乙烯氟化制备HCFC-142b的研究进展  

Research Progress on Preparation of HCFC-142b by Fluorination of Vinylidene Chloride

作　　者：周飞翔 于万金[1] 王术成 刘武灿[1] 马超峰[1] ZHOU Feixiang;YU Wanjin;WANG Shucheng;LIU Wucan;MA Chaofeng(State Key Laboratory of Fluorinated Greenhouse Gases Replacement and Control Treatment,Zhejiang Chemical Industry Research Institute,Hangzhou 310023,China)

机构地区：[1]含氟温室气体替代及控制处理国家重点试验室,浙江省化工研究院有限公司,浙江杭州310023

出　　处：《有机氟工业》2021年第3期27-32,共6页Organo-Fluorine Industry

摘　　要：1,1-二氟-1-氯乙烷(HCFC-142b)是一种重要的含氟有机中间体,偏氯乙烯(VDC)氟化法制备HCFC-142b已实现工业化应用,介绍了在液相和气相氟化法制备HCFC-142b中提高HCFC-142b选择性的方法。1,1-Difluoro-1-chloroethane(HCFC-142 b) is an important fluorine-containing organic intermediate. The preparation of HCFC-142 b by fluorination of vinylidene chloride(VDC) has been industrialized. The methods of improving the selectivity of HCFC-142 b in the preparation of HCFC-142 b by liquid phase and gas phase fluorination are introduced.

关 键 词：偏氯乙烯 氟化法 HCFC-142b 选择性 

分 类 号：TQ222.23[化学工程—有机化工]