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Water and oil repellent composition, treating method therewith and copolymer

  • US 5,688,309 A
  • Filed: 07/25/1996
  • Issued: 11/18/1997
  • Est. Priority Date: 07/27/1995
  • Status: Expired due to Term
First Claim
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1. A water and oil repellent composition consisting essentially of a copolymer comprising the following polymeric units A, B, C and D, and an organic solvent:

  • Polymeric units A;

    Polymeric units derived from an acrylate containing a polyfluoroalkyl group, and/or a methacrylate containing a polyfluoroalkyl group;

    Polymeric units B;

    Polymeric units derived from an acrylate containing a hydrocarbon group, and/or a methacrylate containing a hydrocarbon group;

    Polymeric units C;

    Polymeric units derived from an acid anhydride having an unsaturated group; and

    Polymeric units D;

    Polymeric units derived from triallyl cyanurate.

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