Aluminum powder treatment process for preparing high-gloss aluminum paste
A processing technology, technology of aluminum silver paste, applied in inorganic pigment processing, pigment paste, metal processing equipment, etc., can solve the problem of the reduction of the light reflection coefficient of aluminum silver paste, the decline of the light reflection ability of aluminum silver paste, and the light reflection of aluminum silver paste. Ability to affect and other issues, to achieve the effect of not reducing gloss, reducing diffuse reflection, and improving gloss
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Embodiment 1
[0015] An aluminum powder treatment process for preparing high-gloss aluminum-silver paste, the specific preparation method is as follows:
[0016] 1) Put the Y-shaped alumina into the muffle furnace, bake it at 600°C for 5 hours, cool it down to 230°C with the furnace, and then move it to the desiccator to cool to room temperature to obtain pretreated alumina for later use. Add platinum and zirconium respectively into aqua regia, and heated to 50°C on an electric furnace to make it dissolve rapidly, evaporate the dissolved solution to dryness and cool, then add dilute hydrochloric acid with a concentration of 0.1mol / L and heat to dissolve, and prepare a solution with a concentration of 0.04g / ml Metal platinum solution and concentration are the metal zirconium solution of 0.02g / ml, standby;
[0017] 2) Mix metal platinum solution and metal zirconium solution with a volume ratio of 1:1 evenly, then add 1% zirconia of the total weight of the impregnating liquid, stir evenly to o...
Embodiment 2
[0022] An aluminum powder treatment process for preparing high-gloss aluminum-silver paste, the specific preparation method is as follows:
[0023] 1) Put the Y-shaped alumina in a muffle furnace, bake it at 700°C for 4.5h, cool it down to 250°C with the furnace, and then move it to a desiccator to cool to room temperature to obtain pretreated alumina for use. Platinum and zirconium were separated Add it to aqua regia, and heat it to 55°C on an electric furnace to make it dissolve quickly. Evaporate the dissolved solution to dryness and cool it down, then add dilute hydrochloric acid with a concentration of 0.15mol / L and heat to dissolve, and prepare a concentration of 0.05g / ml Platinum metal solution and zirconium metal solution with a concentration of 0.025g / ml for subsequent use;
[0024] 2) Mix metal platinum solution and metal zirconium solution with a volume ratio of 1:1 evenly, then add 2% zirconia of the total weight of the impregnating liquid, stir evenly to obtain th...
Embodiment 3
[0029] An aluminum powder treatment process for preparing high-gloss aluminum-silver paste, the specific preparation method is as follows:
[0030] 1) Put the Y-shaped alumina into the muffle furnace, bake it at 800°C for 4 hours, cool it down to 280°C with the furnace, and then move it to the desiccator to cool to room temperature to obtain pretreated alumina for later use. Add platinum and zirconium respectively into aqua regia, and heated to 60°C on an electric furnace to dissolve rapidly, evaporate the dissolved solution to dryness and cool, then add dilute hydrochloric acid with a concentration of 0.2mol / L and heat to dissolve, and prepare a solution with a concentration of 0.06g / ml Metal platinum solution and concentration are the metal zirconium solution of 0.03g / ml, standby;
[0031] 2) Mix metal platinum solution and metal zirconium solution with a volume ratio of 1:1 evenly, then add 3% zirconia of the total weight of the impregnating liquid, stir well to obtain the ...
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