公开(公告)号：EP1546081A2

公开(公告)日：2005-06-29

申请号：EP03799283.1

申请日：2003-09-29

申请人： Daikin Industries, Ltd. ,  E.I. DU PONT DE NEMOURS AND COMPANY

发明人： FU, Ta-Wei ,  SWEARINGEN, Steven H. ,  ICHIDA, Takuya,DAIKIN INDUSTRIES, LTD. ,  ITATANI, Shuji,DAIKIN INDUSTRIES, LTD.

IPC分类号： C07C51/42

CPC分类号： C07C51/48 ,  C07C51/02 ,  C07C59/135 ,  C07C53/21

摘要： A fluorocarboxylic acid preparation process continuously carries out acidification reaction treatment and washing treatment, and includes subjecting a fluorocarboxylate-containing aqueous solution to acidification reaction treatment in the presence of sulfuric acid so as to form a sulfate-containing fluorocarboxylic acid phase; and subjecting the fluorocarboxylic acid phase to washing treatment using an aqueous sulfuric acid solution.

摘要翻译： 氟代羧酸制备方法连续进行酸化反应处理和洗涤处理，并且包括使含有氟代羧酸盐的水溶液在硫酸存在下进行酸化反应处理以形成含硫酸盐的氟代羧酸相; 并使用硫酸水溶液对氟代羧酸相进行洗涤处理。