Aluminum sheet pigment, aluminum sheet pigment-contained coating composite, aluminum sheet pigment-contained printing ink composite and membranes obtained from aluminum sheet pigment

A technology of pigments and aluminum flakes, applied in the direction of fibrous fillers, etc., can solve the problems of poor production capacity, narrow application range, disproportion between performance and cost, etc.

Inactive Publication Date: 2012-03-28
TOYO ALUMINIUM KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, the yield of this method is very poor, so the obtained performance

Method used

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  • Aluminum sheet pigment, aluminum sheet pigment-contained coating composite, aluminum sheet pigment-contained printing ink composite and membranes obtained from aluminum sheet pigment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] A mixture of 1Kg of atomized aluminum spherical powder with an average particle diameter of 3μm, 6L of mineral essential oil and 100g of oleic acid is added to a ball mill with an internal diameter of 500mm and a length of 180mm, and 50Kg of steel balls with a diameter of 1.8mm are used to The first stage grinding was carried out for 8 hours at 33 rpm (corresponding to 55% of the critical rotation frequency).

[0058] After the first stage of grinding, the slurry in the ball mill is washed with mineral spirits, and the solid-liquid is separated by a disc filter. In terms of aluminum metal, 500g of the gained filter cake (non-volatile component content: 85%) returns to the same type of ball mill that contains 50Kg of 1.5mm steel balls, then adds 5L of mineral essential oil and 100g of oleic acid, and then The second grinding stage was performed at 40 rpm (corresponding to 67% of the critical rotation frequency) for 20 hours.

[0059] After the second stage of grinding i...

Embodiment 2

[0061] The same conditions as in Example 1 were used to obtain a paste containing aluminum flake pigments, except that steel balls with a diameter of 1.0 mm were used for the second stage of grinding.

Embodiment 3

[0063] Except for using atomized aluminum spherical powder with an average particle diameter of 5 μm as the raw material, the same conditions as in Example 1 were used to obtain a paste containing aluminum flake pigment.

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Abstract

In order to provide an aluminum sheet pigment which has excellent metallic luster and close grains and has similar coating appearance with silvery fashionable luster, the invention especially provides the aluminum sheet pigment which is obtained through grinding aluminum powder in an organic solvent and is 0.025-0.07mu m in average thickness (t) and 8-30mu m in average particle diameter (D50), an aluminum sheet pigment-contained coating composite, an aluminum sheet pigment-contained printing ink composite and membranes obtained from the aluminum sheet pigment. The aluminum powder is preferentially prepared through an atomization method. A grinding machine for performing the grinding is preferentially selected to serve as a ball mill.

Description

[0001] This application is the PCT international application date is March 13, 2003, the PCT international application number is PCT / JP2003 / 003026, and the Chinese national application number is 03824286.9. The invention name is "aluminum flake pigment, coating composition containing it, ink combination A divisional application of the application for "materials and films derived therefrom". technical field [0002] The invention relates to a metallic aluminum flake pigment. Specifically, the present invention relates to an aluminum flake pigment having excellent metallic luster, fine texture, and a plating-like appearance exhibiting silver classiness. [0003] The present invention also relates to metallic paint compositions, metallic ink compositions and their films having excellent metallic luster, fine texture and a silver fashion glossy plating-like appearance. Background technique [0004] In general, aluminum flake pigments are widely used as gloss pigments mixed into...

Claims

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Application Information

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IPC IPC(8): B22F9/04B22F1/00C09C1/64
Inventor 南胜启
Owner TOYO ALUMINIUM KK
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