Preparation method of silver dollar-shaped aluminum pigment
A technology of aluminum pigments and silver dollars, applied in the field of metallic pigments, can solve problems such as poor metallic feeling, low gloss, and irregular shape of aluminum pigment particles, and achieve the effect of narrow particle size distribution, smooth and clean surface, and high gloss
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[0027] Example 1:
[0028] Load 2000kg of high carbon steel balls with a diameter of 2mm into a Φ1100×1200 horizontal ball mill, add 300kg of 200# solvent oil (naphtha), D 50For 5-6 micron nitrogen atomized fine spherical aluminum powder 80kg, oleic acid 3kg, ball mill for 10h, discharge, filter press. The filtrate is returned to the ball milling process, the filter cake is added to a Φ1100×1200 horizontal ball mill equipped with 1500kg, 2.0mm zirconium balls, 300kg of 200# solvent oil, 1.5kg of oleic acid are added, ball milled for 15h, the material is discharged, filtered by pressure, and the filtrate is returned to the ball mill process ; The filter cake is added into a Φ1100×1200 horizontal ball mill equipped with 1.5mm glass balls of 1000kg, added with 300kg of 200# solvent oil, 1kg of oleic acid, ball milled for 20h, discharged, sieved with 500 mesh, filtered by pressure, and the filtrate returned to the ball milling process . After the filter cake is added to the knea...
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[0031] Example 2
[0032] Load 2000kg of 3mm stainless steel balls into the Φ1100×1200 horizontal ball mill, add 300kg of 200# solvent oil, D 50 It is 80kg of 7-8μm nitrogen atomized fine spherical aluminum powder, 3kg of stearic acid, ball milled for 8h, discharged, and filtered by pressure. The filtrate is returned to the ball milling process. The filter cake was put into a Φ1100×1200 horizontal ball mill equipped with 1500kg of 2mm zirconia balls, 300kg of 200# solvent oil, 2kg of stearic acid, ball milled for 10h, discharged, filtered by pressure, and the filtrate returned to the ball milling process; In a Φ1100×1200 horizontal ball mill with a 1.5mm glass ball of 1000kg, add 300kg of 200# solvent oil, 2kg of stearic acid, ball mill for 15h, discharge, sieve with 500 mesh, filter press, and return the filtrate to the ball milling process; add the filter cake In the kneader, after adding a small amount of antioxidant, a small amount of dispersant and an appropriate amount...
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