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High temperature resisting nanoscale sulfoselenide cadmium paint and preparation method thereof

A nano-scale technology of cadmium sulfur selenide, applied in the field of pigments, can solve problems such as limitations, and achieve low cost, excellent effect, and good high temperature resistance

Inactive Publication Date: 2013-09-25
玄兆坤
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

limited in practical applications

Method used

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  • High temperature resisting nanoscale sulfoselenide cadmium paint and preparation method thereof
  • High temperature resisting nanoscale sulfoselenide cadmium paint and preparation method thereof
  • High temperature resisting nanoscale sulfoselenide cadmium paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] (1) Preparation of precursor:

[0041] (1a) 384.6g sodium sulfide nonahydrate (Na 2 S·9H 2 O) was dissolved in 4.8L water to make sodium sulfide solution, and 32g selenium dioxide (SeO 2 ) into the above sodium sulfide solution, fully dissolved under the action of ultrasonic waves.

[0042] (1b) 435.9g cadmium chloride (CdCl 2 ) was dissolved in 6.4L of water to prepare a cadmium chloride solution, and poured into the solution obtained in step (1a), and stirred for 1 h with a magnetic stirrer at a speed of 200 r / min.

[0043] (1c) 25.6g zinc chloride (ZnCl 2 ) was dissolved in 2.6L water to form a zinc chloride solution, and 112.2g zirconium oxychloride (ZrOCl 2 ) was dissolved in 3.2L of water to prepare a zirconium oxychloride solution, and the above-mentioned zinc chloride solution and zirconium oxychloride solution were poured into the solution obtained in step (1b), and stirred evenly.

[0044] (1d) 1275.6g sodium silicate (Na 2 SiO 3 ) was dissolved in 6.4...

Embodiment 2

[0054] (1) Preparation of precursor:

[0055] (1a) 278.6g sodium sulfide nonahydrate (Na 2 S·9H 2 O) was dissolved in 4.8L water to make sodium sulfide solution, and 32g selenium dioxide (SeO 2 ) into the above sodium sulfide solution, fully dissolved under the action of ultrasonic waves.

[0056] (1b) 478.5g cadmium chloride (CdCl 2 ) was dissolved in 6.4L of water to prepare a cadmium chloride solution, and poured into the solution obtained in step (1a), and stirred for 1 h with a magnetic stirrer at a speed of 200 r / min.

[0057] (1c) 59.3g zinc chloride (ZnCl 2 ) was dissolved in 2.6L water to form a zinc chloride solution, and 155.1g zirconium oxychloride (ZrOCl 2 ) was dissolved in 3.2L of water to prepare a zirconium oxychloride solution, and the above-mentioned zinc chloride solution and zirconium oxychloride solution were poured into the solution obtained in step (1b), and stirred evenly.

[0058] (1d) 495.6g of sodium silicate (Na 2 SiO 3 ) was dissolved in 6...

Embodiment 3

[0068] (1) Preparation of precursor:

[0069] (1a) 417.9g sodium sulfide nonahydrate (Na 2 S·9H 2 O) was dissolved in 4.8L water to make sodium sulfide solution, and 32g selenium dioxide (SeO 2 ) into the above sodium sulfide solution, fully dissolved under the action of ultrasonic waves.

[0070] (1b) 265.8g cadmium chloride (CdCl 2 ) was dissolved in 6.4L of water to prepare a cadmium chloride solution, and poured into the solution obtained in step (1a), and stirred for 1 h with a magnetic stirrer at a speed of 200 r / min.

[0071] (1c) 19.8g zinc chloride (ZnCl 2 ) was dissolved in 2.6L water to form a zinc chloride solution, and 51.7g zirconium oxychloride (ZrOCl 2 ) was dissolved in 3.2L of water to prepare a zirconium oxychloride solution, and the above-mentioned zinc chloride solution and zirconium oxychloride solution were poured into the solution obtained in step (1b), and stirred evenly.

[0072] (1d) 1415.9g sodium silicate (Na 2 SiO 3 ) was dissolved in 6.4L...

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Abstract

The invention discloses a high temperature resisting nanoscale sulfoselenide cadmium paint and a preparation method thereof. The method comprises the following steps of: (1) dissolving selenium dioxide, nonahydrate sodium sulfide, cadmium chloride, zinc chloride, zirconium oxychloride and sodium silicate to prepare a liquor, adjusting the pH value to 9-12, standing, then performing suction filtration to obtain a precipitate, and washing, drying and grinding to obtain powder; (2) placing the power in a crucible, adding carbon powder and a carbon rod to cover the powder completely, heating to 1000-1100 DEG C by stages, and insulating for 30-40 minutes; then, separating the powder from carbon powder and the carbon rod, and repeating heating and insulating steps to obtain the paint; (3) ball-milling the paint, placing the paint in the crucible, adding the carbon powder and the carbon rod to cover the powder, heating to 900-1000 DEG C by stages, and insulating for 30-40 minutes, and separating the powder from the carbon powder and the carbon rod to obtain the high temperature resisting nanoscale sulfoselenide cadmium paint. The sulfoselenide cadmium paint prepared by the method is good in high temperature resistance and low in cost.

Description

technical field [0001] The invention relates to the technical field of pigments, in particular to a high-temperature-resistant nano-scale cadmium sulfur selenide pigment and a preparation method thereof. Background technique [0002] Pigments are an essential material in the production of ceramics. Among the many pigments used in ceramics, cadmium sulfur selenide pigment is a very important pigment. It has rich colors and strong coloring ability, and its application effect in high-grade ceramics is very remarkable. An important performance requirement of ceramics is high temperature resistance, but the existing cadmium sulfoselenide pigments are very easy to oxidize, decompose, and lose color at high temperatures, which seriously affects the quality of ceramics. [0003] Selenium powder (Se) is generally used as raw material for the preparation of coated cadmium sulfide selenide pigments on the market. The pigment cost is relatively high, the preparation process is relative...

Claims

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Application Information

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IPC IPC(8): C01B19/04C04B41/85C09C1/12C09C3/04
Inventor 玄兆坤魏淑丽陈鸿利
Owner 玄兆坤
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