Method of preparing (perfluoroalkyl) ethyl acrylic esters and methods of preparing copolymers using said esters
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United States of America Patent
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Dec 9, 2003
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Jan 9, 2002
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Jul 9, 1999
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Abstract
A polyfluoroalkyl iodide is reacted with a (meth)acrylic acid metal salt to form a corresponding polyfluoroalkyl (meth)acrylate ester. The polyfluoroalkyl (meth)acrylate ester is separated from the reaction product through the evaporation, so that the ester is recovered. According to the present method, the polyfluoroalkyl iodide is reacted with the (meth)acrylic acid metal salt without introducing water, thus making it possible to prepare a polyfluoroalkyl (meth)acrylate ester. The resulting ester can also be used to copolymerize an ethylenically unsaturated compound capable of copolymerizing with the ester.
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