Green phase bright yellow inorganic nanometer pigment and preparation method thereof
An inorganic nano and inorganic pigment technology, applied in the field of inorganic pigments, can solve the problems such as the decrease of yellow chromaticity value and affect the color rendering effect of pigments, and achieve the effect of uniform size and good dispersion.
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[0022] Example 1 Bi 0.88 Zn 0.08 Nd 0.04 V 0.9 Al 0.1 O 4-δ Pigment preparation
[0023] According to theory, 0.25mol / L Bi can be synthesized 0.88 Zn 0.08 Nd 0.04 V 0.9 Al 0.1 O 4-δ Prepare the solution.
[0024] First, according to the formula composition, the bismuth nitrate pentahydrate (Bi(NO 3 ) 3 ·5H 2 O), ammonium metavanadate (NH 4 VO 3 ), zinc nitrate hexahydrate (Zn(NO 3 ) 2 ·6H 2 O), neodymium nitrate (Nd(NO 3 ) 3 ) And aluminum nitrate nonahydrate (Al(NO 3 ) 3 ·9H 2 O) Add to pure water, stir and heat to 80°C continuously, then add diethylenetriaminepentaacetic acid as complexing agent, and obtain a mixed solution after fully dissolving each component. The molar ratio of complexing agent to total metal ion It is: complexing agent: metal ion=2.5:2. While continuing to stir, add sodium dodecylbenzene sulfonate as a dispersant. The amount of dispersant is 0.35% (relative to the mass percentage concentration of the added water). After the dispersant is fully dissolved, 10%...
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[0025] Example 2 Bi 0.9 Zn 0.1 V 0.88 Al 0.06 Mo 0.06 O 4-δ Pigment preparation
[0026] According to theory, 0.4mol / L Bi can be synthesized 0.9 Zn 0.1 V 0.88 Al 0.06 Mo 0.06 O 4-δ Prepare the solution.
[0027] First, according to the formula composition, the bismuth oxide (Bi 2 O 3 ), vanadium pentoxide (V 2 O 5 ), zinc oxide (ZnO), aluminum oxide (Al 2 O 3 ) And ammonium molybdate tetrahydrate, etc. were added to pure water, stirred and heated to 90 ℃, and then added diethylene triamine pentaacetic acid as a complexing agent, the components were fully dissolved to obtain a mixed solution, in which the complexing agent and metal The molar ratio of the total amount of ions is: complexing agent: metal ion=4:2. While continuing to stir, add sodium dodecylbenzene sulfonate as a dispersant, and the amount of dispersant is 0.2% (relative to the mass percentage concentration of the added water). After the dispersant is fully dissolved, 10% ammonia water is added dropwise to adjust the ...
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[0028] Example 3 Bi 0.92 La 0.08 V 0.9 Ta 0.1 O 4-δ Pigment preparation
[0029] According to theory, 0.5mol / L Bi can be synthesized 0.92 La 0.08 V 0.9 Ta 0.1 O 4-δ Prepare the solution.
[0030] First, according to the formula composition, the bismuth nitrate pentahydrate (Bi(NO 3 ) 3 ·5H 2 O), ammonium metavanadate (NH 4 VO 3 ), lanthanum nitrate hexahydrate (La(NO 3 ) 2 ·6H 2 O) Add tantalum oxalate to pure water, stir and heat to 80°C, then add ethylenediaminetetraacetic acid as a complexing agent. After the components are fully dissolved, a mixed solution is obtained. The total amount of complexing agent and metal ions is The molar ratio is: complexing agent: metal ion=3:2. While continuing to stir, add sodium lauryl sulfate as a dispersant, and the amount of dispersant is 0.3% (relative to the mass percentage concentration of the added water). After the dispersant is fully dissolved, 10% ammonia water is added dropwise to adjust the pH of the solution to 9, and the uniform p...
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