公开(公告)号：EP1015664B1

公开(公告)日：2007-09-26

申请号：EP97927621.9

申请日：1997-05-09

申请人： MINNESOTA MINING AND MANUFACTURING COMPANY

发明人： POLSON, Stephen D. ,  SPANGLER, Jeffrey C. ,  WALLACE, Eric N. ,  GROUBINA, Ludmila M. ,  KAUROVA, Galina I. ,  GANDLINA, Adda E. ,  KRASILNIKOV, Anatoly A.

IPC分类号： C25B3/08

CPC分类号： C25B3/08 ,  Y02P20/129

摘要： Described is a process for the electrochemical fluorination of a substrate, the process comprising the steps of: providing a substrate comprising at least one carbon-bonded hydrogen; preparing a reaction solution comprising the substrate and hydrogen fluoride; passing electric current through the reaction solution sufficient to cause replacement of one or more hydrogens of the substrate with fluorine, the electric current being interrupted through a current cycle defined by current levels comprising an elevated current and a reduced current; wherein the current varies in such a manner that the resistance of the cell operated with interrupted current is lower than the resistance of the cell operated with uninterrupted current.