METHOD FOR PRODUCING PERFLUOROSULFONIC ACID HAVING ETHER STRUCTURE AND DERIVATIVE THEREOF, AND SURFACTANT CONTAINING FLUORINE-CONTAINING ETHER SULFONIC ACID COMPOUND AND DERIVATIVE THEREOF
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United States of America Patent
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Issued Date -
Jul 19, 2012
app pub date -
Sep 29, 2010
filing date -
Oct 15, 2008
priority date (Note) -
Abandoned
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Abstract
In this method, RH2ORH1SO2F is added to hydrofluoric acid so as to form a thick solution (hydrogen bonded complex), and the solution is directly supplied to a liquid phase reaction system in which an F2 gas is used. Alternatively, RH2ORH1SO2Cl is added to hydrofluoric acid so as to be converted into RH1ORH2SO2F by discharging HCl, and the RH1ORH2SO2F is directly supplied to a liquid phase reaction system in which an F2 gas is used. Consequently, fluorination can be carried out safely and a compound having an objective structure can be produced at low cost without causing isomerization or the like.
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