Manufacturing method of strong twinkling aluminium pastes
A manufacturing method and technology of aluminum silver paste, applied in the directions of pigment paste, dyeing physical treatment, fibrous filler, etc., can solve the problems of wide particle size distribution, irregular particle shape, poor scintillation performance, etc., and achieve narrow particle size distribution, surface Smooth and clean, strong flickering performance
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[0012] Example 1:
[0013] (1) In the φ800×1000 vertical stirring ball mill, 500kg of glass balls with a diameter of 1.0-5.0mm are loaded, and 100kg of D50 solvent oil is added, D 50 7.8μm nitrogen atomized fine spherical aluminum powder 40kg, oleic acid 4kg, ball milled at a speed of 50-200 rpm for 48h, discharge, filter press, and return the filtrate to the ball milling process for recycling.
[0014] (2) The filter cake enters the sieving and grading process. It passes through a 120-mesh sieve and then a 500-mesh sieve. The sieved materials at all levels are filtered and blow-dried with a filter press, and then fresh D 50 Organic solvent washing; the filtrate returns to the screening process for recycling.
[0015] (3) The filter cake enters the kneading process for surface treatment, and the packaging becomes a strong flashing aluminum silver paste product.
Example Embodiment
[0016] Example 2:
[0017] (1) In the φ800×1000 vertical stirring ball mill, 500kg of glass balls with a diameter of 1.0-5.0mm are loaded, and 200kg of D80 solvent oil is added, D 50 7.8μm nitrogen atomized fine spherical aluminum powder 80kg, oleic acid 4kg, ball milled at a speed of 50-200 rpm for 38 hours, discharge, filter press, and return the filtrate to the ball milling process for recycling;
[0018] (2) The filter cake enters the sieving and grading process, and passes through a 120-mesh sieve and then a 500-mesh sieve. The materials at all levels are filtered with a filter press, dried, and washed with fresh organic solvent; the filtrate returns to the sieve Recycled in different processes;
[0019] (3) The filter cake enters the kneading process for surface treatment, and the packaging becomes a strong flashing aluminum silver paste product.
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