| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a process for reducing the level of content of perfluoroalkanoic acid, perfluoroalkanoic ester, and perfluoroalkyliodide contained in 1-iodo-1H,1H,2H,2H-perfluoroalkane or 1-iodo-1H,1H,2H,2H-perfluoroalkan-1-ol. <P>SOLUTION: The process for reducing the level of content of impurities comprising perfluoroalkanoic acid, perfluoroalkanoic ester, or perfluoroalkyliodide contained in 1-iodo-1H,1H,2H,2H-perfluoroalkane or 1-iodo-1H,1H,2H,2H-perfluoroalkan-1-ol is to heat at least at 175°C in the presence of an organic additive, such as ethanol amine, diethanol amine, isopropyl alcohol, polyethylene glycol monomethyl ether, and the like. <P>COPYRIGHT: (C)2012,JPO&INPIT |
