Production process of super strength interference pearlylustre pigment

A production process, pearlescent pigment technology, applied in the direction of inorganic pigment treatment, fibrous filler, dyeing physical treatment, etc., can solve the problems of complex production process, high cost, difficult process, etc., achieve simple production process, low production cost, easy operation convenient effect

Active Publication Date: 2008-10-22
河北欧克新型材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although Merck of Germany has similar products, its production process is complex and cumbersome, the process is difficult to control, and the cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Add 15g of synthetic 10-40μm mica, add soft water to make the solid-liquid ratio 1:6, and the reaction temperature is 85°C, stir evenly, and then coat;

[0023] The first layer, with a concentration of 20wt% NaOH solution to adjust the pH value to 2.3, 25.88g of TiCl 4 After dissolving in 250ml of demineralized water, add it slowly in parallel flow with 20% NaOH solution, and keep the pH value at 2.3;

[0024] In the second layer, 8.75g FeCl 3 ·6H 2 O and 1.7 g TiCl 4 Dissolve in 120ml and 18ml of soft water respectively, then mix evenly, and slowly add in the same amount of NaOH solution with a concentration of 20wt%, adjust the pH value to 4, stir for 30 minutes, let stand for 1 hour, and adjust the solid-liquid ratio to 1:13 , with a mass ratio of 30wt% hydrochloric acid to adjust the pH value to 1.2;

[0025] In the third layer, 1.80g SnCl 2 After dissolving in 20ml of soft water, add it slowly in parallel with 20wt% NaOH solution, and keep the pH value at 1.5;...

Embodiment 2

[0029] Add 19g of synthetic 10-40μm mica, add soft water to make the solid-liquid ratio 1:16, and the reaction temperature is 85°C, stir evenly, and then coat;

[0030] The first layer, with a concentration of 20% NaOH solution to adjust the pH value to 2.3, 36.8g of TiCl 4 After dissolving in 350ml soft water, with the concentration of 25wt% NH 3 ·H 2 O solution is added slowly in parallel flow to keep the pH value at 2.3; stop adding TiCl when the quality of the coating film reaches 172.5% of the amount of mica input 4 soft aqueous solution;

[0031] In the second layer, 11.4g FeCl 3 ·6H 2 O and 2.50 g TiCl 4 Dissolve in 150ml and 22ml soft water respectively, then mix evenly, and mix with 25wt% NH 3 ·H 2 The O solution is added slowly in parallel flow, the pH value is adjusted to 4, stirred for 30 minutes, allowed to stand for 1 hour, the solid-liquid ratio is adjusted to 1:13, and the pH value is adjusted to 1.2 with 30% hydrochloric acid by mass ratio;

[0032] In...

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Abstract

The invention relates to a production process for ultra-strong interferential golden pearl pigment of a multi-coating two-dimensional structural slice base object, which is obtained by coating mica with four layers. The golden pearl pigment product prepared by the production process of the invention has the effect of 24K gold, low price, and extremely-large economic value.

Description

technical field [0001] The invention relates to a production process of a golden pearlescent pigment with a multi-coat two-dimensional structure platelet-shaped substrate. Background technique [0002] Pearlescent pigments are coated with one or more layers of high refractive index oxides such as titanium dioxide, ferric oxide, and cobalt oxide on the outer surface of flaky mica, flaky aluminum oxide and thin glass through chemical reactions , aluminum oxide, zirconia, silicon dioxide, etc., and then a series of products formed by appropriate post-processing. This type of product can produce multiple reflections and refractions under the irradiation of light, and then produce colorful and dazzling pearlescent colors and different colors with angles through mutual interference. [0003] Pearlescent pigment is a kind of pigment newly developed by human beings. It has high chemical stability, good weather resistance, rich colors, strong covering rate, safe and harmless to huma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C3/06C09C3/04
Inventor 郭俊怀丁春苓宋晓丽
Owner 河北欧克新型材料股份有限公司
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