Aqueous dispersion-type fluorinated water- and oil-repellent
AssigneeDaikin Industries, Ltd.
InventorsMasayuki Yamana, Norimasa Uesugi, Eiji Ogura
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Abstract
An aqueous dispersion-type fluorine-containing water- and oil-repellent wherein (A) a fluorine-containing copolymer of (A-1) a monomer having a polyfluoroalkyl group and (A-2) a monomer copolymerizable therewith is dispersed in the presence of (B) a emulsifier containing a fluorine-containing cationic surfactant, is excellent in fastness to rubbing.
Claims3
An aqueous fluorine-containing water- and oil-repellent dispersion comprises (A) a fluorine-containing copolymer comprising (A-1) a monomer having a polyfluoroalkyl group and (A-2) a copolymerizable monomer which is vinyl chloride or stearyl acrylate which is dispersed in the presence of (B) an emulsifier comprising a fluorine-containing cationic surfactant, and (C) a co-solvent selected from the group consisting of ketones, esters, glycols and alkyl ethers of glycol.
An aqueous fluorine-containing water- and oil-repellent dispersion comprises (A) a fluorine-containing copolymer comprises (A-1) a monomer having a polyfluoroalkyl group and (A-2) a copolymerizable monomer which is vinyl chloride or stearyl acrylate which is dispersed in the presence of (B) an emulsifier comprising a fluorine-containing cationic surfactant, and (C) a co-solvent selected from the group consisting of ketones, esters, glycols and alkyl ethers of glycol, and wherein dipropylene glycol monomethyl ether is used as a cosolvent.
Dependencies are inferred from the claim text.