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Aqueous fluorine-containing polymer dispersion and aqueous dispersion containing fluorine-containing polymer and water-soluble resin and/or water dispersible resin
Aqueous fluorine-containing polymer dispersion and aqueous dispersion containing fluorine-containing polymer and water-soluble resin and/or water dispersible resin
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机译:含氟聚合物水分散体和含氟聚合物与水溶性树脂和/或水分散性树脂的水分散体
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摘要
An aqueous fluorine-containing polymer dispersion having particle diameters of 0.05-3 µm, which is obtainable by emulsion-polymerizing 5-95 parts by weight of a monomer mixture consisting of at least one monomer selected from the group consisting of alkyl acrylates whose alkyl groups have 1-18 carbon atoms and alkyl methacrylates whose alkyl groups have 1-18 carbon atoms and optionally an ethylenically unsaturated compound copolymerizable with the alkyl acrylates and the alkyl methacrylates, in an aqueous medium in the presence of 100 parts by weight of particles of a vinylidene fluoride polymer; and an aqueous dispersion containing a fluorine-containing polymer which consists essentially of 95-30 parts by weight (in terms of solids content) of said aqueous fluorine-containing polymer dispersion and 5-70 parts by weight (in terms of solids content) of an aqueous dispersion of a water-soluble resin and/or a water-dispersible resin. The aqueous fluorine-containing polymer dispersion and the aqueous dispersion containing a fluorine-containing polymer have excellent heat resistance and weather resistance inherent in fluororesins and are significantly improved in film formability, transparency and adhesion to substrate. Therefore, these aqueous dispersions can be used as a coating composition for various applications, a fiber-treating compound, a paper-processing compound or a floor-coating compound.
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