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Water dispersion type water and oil repellent composition

  • US 6,376,592 B1
  • Filed: 08/12/1999
  • Issued: 04/23/2002
  • Est. Priority Date: 08/24/1998
  • Status: Expired due to Term
First Claim
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1. A water and oil repellent composition, obtained by polymerizing a polymerizable monomer mixture (b) in the presence of a compound (a) having a blocked isocyanate group and no polymerizable unsaturated group;

  • wherein said composition is contained in a dispersion in water;

    wherein said monomer mixture (b) comprises;

    an unsaturated polymerizable monomer having a polyfluoroalkyl group Rf and an unsaturated polymerizable monomer having no polyfluoroalkyl group;

    wherein said unsaturated polymerizable monomer having a polyfluoroalkyl group Rf is represented by formula (1)

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