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A process for the preparation of an aqueous pigment-containing cationic high solids dispersion, an aqueous pigment dispersion and its use
A process for the preparation of an aqueous pigment-containing cationic high solids dispersion, an aqueous pigment dispersion and its use
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机译:含颜料的水性阳离子高固体分散体的制备方法,颜料的水性分散体及其用途
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摘要
A method of producing an aqueous dispersion of a pigment, and the aqueous dispersion of the pigment and the uses of the aqueous dispersion of the pigment. In the present method, an inorganic pigment is dispersed in water, in the presence of a dispersing agent. According to the present invention, the inorganic pigment comprises cationic calcium carbonate, especially precipitated calcium carbonate, which is dispersed using a cationic biopolymer, such as starch, in order to prepare an aqueous dispersion, the solids content of which is approximately 30-75% by weight. The dispersion generated can be used, among others, as pigment or filler for ink-jet paper.
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