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US 2009/0256103 A1Published application
Aqueous water and oil repellent composition
AssigneePunjab University
InventorsMuhammad Jawwad Saif, Anwar Jamil
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Abstract
An aqueous water and oil repellent composition is produced by emulsifying a an acrylate or methacrylate copolymer containing perfluoroalkyl or perfluoroalkenyl group in the presence of a quaternary ammonium compound in an aqueous medium containing an organic cosolvent which gives a stable dispersion and imparts excellent water and oil repellent properties to the textile and carpets.
Claims13
An aqueous water and oil repellent composition which comprises:
- a. An acrylate or methacrylate copolymer containing perfluoroalkyl or perfluoroalkenyl group.
- b. A surfactant comprising a quaternary ammonium compound
- c. An aqueous medium containing an organic co-solvent
Dependencies are inferred from the claim text.