Preparation method of double-layer wrapped cerium sulfide red pigment chemical coating film

The invention relates to a preparation method of a double-layer wrapped cerium sulfide red pigment chemical coating film, which comprises the following steps: placing a conical flask filled with water in a hot water bath, stirring, adding a cerium sulfide red pigment, and adjusting the pH value of a...

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Bibliographische Detailangaben
Hauptverfasser:	CHENG GUOSHENG, YANG MO, CHAO XUEAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PREPARATION OF CARBON BLACK THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The invention relates to a preparation method of a double-layer wrapped cerium sulfide red pigment chemical coating film, which comprises the following steps: placing a conical flask filled with water in a hot water bath, stirring, adding a cerium sulfide red pigment, and adjusting the pH value of a pigment solution; taking a ceric sulfate solution and a diethylenetriamine solution according to a molar ratio of 1: 2, and dropwise adding the ceric sulfate solution and the diethylenetriamine solution into the pigment solution for reaction; and stirring, taking out, cooling, aging, carrying out suction filtration, washing, carrying out suction filtration, drying and powdering to obtain the cerium sulfide red pigment coated with the cerium oxide film. Placing the conical flask filled with water in a hot water bath, adding the coated cerium sulfide red pigment while stirring, and adding ammonium chloride and NaOH; dropwise adding a water glass solution into the pigment solution, and carrying out silicon dioxide co