| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polyfluoroalkane carboxylic acid fluoride used as a synthetic raw material of a polyfluoroalkane carboxylic acid (salt) useful as a surfactant excellent in monomer emulsificability and latex stability on using it as an emulsifying agent or a dispersant in the polymerization reaction of a fluorine-containing monomer, and as the surfactant capable of improving the micelles solubility of a fluorine-containing monomer such as vinylidene fluoride etc., on using it as the emulsifying agent or dispersant in the homopolymerization or copolymerization of vinylidene fluoride etc., and a method for producing the same. <P>SOLUTION: This polyfluoroalkane carboxylic acid fluoride expressed by the general formula: C<SB POS="POST">n</SB>F<SB POS="POST">2n+1</SB>(CH<SB POS="POST">2</SB>CF<SB POS="POST">2</SB>)<SB POS="POST">m</SB>(CF<SB POS="POST">2</SB>CF<SB POS="POST">2</SB>)<SB POS="POST">l-1</SB>CF<SB POS="POST">2</SB>COF [I] [M: an alkali metal, a NH<SB POS="POST">4</SB>group or H, (n): 1 to 6, (m): 1 to 4, and l: 1 or 2] is produced by performing the oxidation reaction of a terminal-iodinated polyfluoroalkane expressed by general the formula: C<SB POS="POST">n</SB>F<SB POS="POST">2n+1</SB>(CH<SB POS="POST">2</SB>CF<SB POS="POST">2</SB>)<SB POS="POST">m</SB>(CF<SB POS="POST">2</SB>CF<SB POS="POST">2</SB>)<SB POS="POST">l</SB>I [II] with an oxidizing agent. <P>COPYRIGHT: (C)2012,JPO&INPIT |
