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Glittery pigment as well as preparation method and application thereof

A technology of flashing pigments and pearlescent pigments, applied in the field of pigments, can solve the problem of loss of pearlescent luster, etc.

Active Publication Date: 2014-05-07
SHANTOU LONGHUA PEARL LUSTRE PIGMENTS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, due to the fact that the metal oxides covered by the existing pearlescent pigments are usually partly the same as the components used in the ceramic transparent glaze, when this type of pearlescent pigment is added to the ceramic glaze, it will often be melted in the glaze, Thus losing the pearlescent luster without the meaning of use
Therefore, pearlescent pigments have not been widely used in transparent ceramic glazes at present, and can only be used in low-temperature transparent glazes in small quantities, or in decal papers for overglaze colors.

Method used

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  • Glittery pigment as well as preparation method and application thereof
  • Glittery pigment as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A kind of glitter pigment, its preparation method is:

[0035] The first step is to prepare the substrate

[0036] (1) Weigh 50 grams of synthetic mica powder with a particle size of 30-120 microns, put it in a 2000 ml reaction kettle, add 1000 ml of pure water, stir to form a uniform dispersion, and raise the temperature to 75 ° C;

[0037] (2) Use dilute hydrochloric acid (16% hydrochloric acid solution) to adjust the pH of the kettle liquid to 1.8, meter and drop 30 ml of a solution with a concentration of 30 g tin tetrachloride hexahydrate / liter, and simultaneously add a concentration of 15% Sodium hydroxide solution to balance the pH value of the still liquid;

[0038] (3) Adjust the pH value of the kettle liquid to 2.0 with lye, and then meter and drop a solution with a concentration of 200 grams of titanium tetrachloride / liter until the pigment shows a purple-red interference color;

[0039] The second step is to coat zirconium silicate

[0040] (1) Adjust the...

Embodiment 2

[0047] A kind of glitter pigment, its preparation method is:

[0048] (1) Weigh 50 grams of titanium series silver-white pearlescent pigments (synthetic mica as the substrate) with a particle size of 10-60 microns, put them in a 2000 ml reaction kettle, add 1000 ml of pure water, and stir to form a uniform dispersion Body, while raising the temperature to 75°C;

[0049] (2) Add dropwise a sodium hydroxide solution with a concentration of 15% to adjust the pH of the still liquid to 9, meter and drop in a water glass solution containing 2.5 grams of silicon dioxide, and add dilute hydrochloric acid at the same time to maintain a constant pH of the still liquid;

[0050] (3) Re-enter dilute hydrochloric acid (16% hydrochloric acid solution) to adjust the pH value of the kettle liquid to 3-6, meter the zirconium oxychloride solution containing 3.3 grams of zirconium dioxide, and add lye at the same time to maintain the pH of the kettle liquid constant pH;

[0051] (4) Add lye dr...

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Abstract

The invention provides a glittery pigment comprising a base material, a metal oxide layer coating the base material and a protective layer coating the metal oxide layer. The glittery pigment can be used for effectively protecting a pearlescent pigment from being molten and damaged by the penetration of a fluxing component in a glaze material at a high temperature, and therefore, the luster effect of the pearlescent pigment is exerted to the maximum extent.

Description

technical field [0001] The invention relates to a pigment in building materials, in particular to a glitter pigment, and correspondingly, the invention also relates to a preparation method and application of the pigment. Background technique [0002] In order to beautify life, people often add various colors and draw various patterns to glazes in the preparation of life and architectural ceramics. In the middle of the nineteenth century, with the rapid development of science and technology such as chemistry and chemical industry, artificially synthesized ceramic pigments began to appear. In the pigment preparation process, in order to improve the heat resistance, chemical stability, dispersibility, wettability, etc. of the pigment, it has become a technical measure often used in the pigment production to treat with inorganic or organic substances to modify the surface of the pigment. [0003] At present, the existing synthetic pearlescent pigments are generally coated with ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B41/50C09C1/40C09C3/06
Inventor 付建生庄育麟张军礼
Owner SHANTOU LONGHUA PEARL LUSTRE PIGMENTS CO LTD
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