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Method for manufacturing novel ball aluminum pigment

A technology of spherical aluminum and spherical aluminum powder, applied in inorganic pigment processing, chemical instruments and methods, fibrous fillers, etc., can solve the problems of diffuse diffuse reflection, poor scintillation with angle effect, etc.

Active Publication Date: 2010-01-20
长沙族兴新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Flake metallic aluminum pigments have many advantages, such as: neat arrangement, good hiding power, and good light reflectivity, but their dispersion, light diffuse reflection, angle-following effect, and scintillation are not very good.

Method used

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Examples

Experimental program
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specific Embodiment approach

[0017] The specific implementation method is as follows: get atomized spherical aluminum powder 10kg (D50=35 μ m), 200# solvent oil 15kg, stearic acid 5kg, oleic acid 5kg, fumed silica 0.65kg, diameter is 0.5mm glass ball 5kg, joins in In a 50-liter stirring ball mill, stir at a speed of 1440 rpm, grind for 15 hours (15-18 hours is appropriate, the aluminum powder remains spherical), then release the ground mixture, and then add 200# solvent oil Dilute 100kg, then sieve with a 325-mesh sieve, press filter to make an aluminum paste filter cake, then put the filter cake into a kneader and add 2kg200# solvent oil and knead for 1 hour to make a spherical aluminum pigment.

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PUM

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Abstract

The invention relates to a method for manufacturing a novel ball aluminum pigment, which adopts a formula comprising the following raw materials: atomized ball aluminum powder, organic matters, aerosol and a ball milling medium. The method comprises the following steps: (1) mixing the atomized ball aluminum powder, the organic matters and the aerosol in a certain proportion and then putting the mixed raw materials in a vertical ball mill for milling by using glass balls with a diameter of 0.5-1 mm as the milling medium; (2) carrying out sieving and filter pressing to manufacture raw materials into an aluminum paste filter cake; and (3) adding the aluminum paste filter cake to a proper organic matter to knead so as to manufacture a finished ball aluminum pigment product.

Description

technical field [0001] The invention relates to a metal pigment, in particular to a method for producing a novel spherical aluminum pigment. Background technique [0002] Aluminum is a silver-white metal that is very active and easily reacts with water and oxygen in the air. Under normal circumstances, the surface of the atomized spherical aluminum powder is covered with a thin layer of alumina, which is formed by the chemical reaction between aluminum and oxygen in the air. Alumina is a gray-black substance. Usually, put such atomized spherical aluminum powder in an organic solvent, add some lubricants, dispersants, etc., grind it with a ball mill, and then do some post-processing to make a metallic aluminum pigment. This aluminum pigment is flat, because of the good ductility of aluminum, the ball mill grinds the aluminum powder from a spherical shape to a flat shape, and grinds a thin layer of aluminum oxide on the surface of the spherical aluminum powder to remove it in...

Claims

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Application Information

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IPC IPC(8): C09C3/00C09C3/04C09C3/08C09C1/40
Inventor 梁晓斌
Owner 长沙族兴新材料股份有限公司
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