| abstract |
General formula: [Wherein, I is a group obtained by removing an isocyanate group from a polyisocyanate compound, X 1 is a divalent organic residue obtained after elimination of an active atom and active hydrogen from a chain transfer agent, and X 2 is a trivalent linear or branched aliphatic group having 2 to 5 carbon atoms, and Rf 1 is represented by the formula: In divalent group represented, R 1 and R 2 are a hydrogen atom or an alkyl group having 1 to 20 carbon atoms. ] The fluorine-containing urethane compound represented by gives high water and oil repellency. |