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Cadmium sulfoselenide occlusion pigment, ceramic ink and preparation method of cadmium sulfoselenide occlusion pigment

A technology for wrapping colorants and cadmium sulfide selenide, applied in inks, fibrous fillers, printing, etc., can solve the problems of volatilization or oxidation of inorganic colorants, affecting color and lustre, and limited application, so as to avoid clogging the network. The effect of plate hole and ink jet hole, high chroma, fine color effect

Active Publication Date: 2017-04-26
FOSHAN HUAYI CERAMIC COLORS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Inorganic pigments are different from organic pigments largely because they have good color and color forming power, but these excellent characteristics are only limited to low temperature application environments. Once encountering high temperature conditions, inorganic pigments will volatilize or It is oxidized, which affects the color and luster, so its application is limited

Method used

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  • Cadmium sulfoselenide occlusion pigment, ceramic ink and preparation method of cadmium sulfoselenide occlusion pigment
  • Cadmium sulfoselenide occlusion pigment, ceramic ink and preparation method of cadmium sulfoselenide occlusion pigment

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preparation example Construction

[0028] Concrete preparation method is as follows steps:

[0029] Step ① Weigh cadmium sulfate (CdSO 4 •8H 2 O) and zirconium oxychloride (ZrOCl 2 •8H 2 O), add water to dissolve; the added quality of water is 3-5 times of the weight of the solid.

[0030] ② Weigh urea, thiourea and selenium powder according to the formula table, and add water to dissolve; the added quality of water is 5-10 times of the weight of solid matter.

[0031] ③ Weigh the dispersant polycarboxylate and PVP according to the formula table, and dissolve them in 2000-2500ml of water.

[0032] ④Mix the solutions in steps ①-③, add the silicon source, and mix evenly; in this step, ultrasound can be used to assist dispersion.

[0033] ⑤Pour the mixed reaction solution in step ④ into the reaction kettle, adjust the temperature to 60-200°C, the rotation speed to 100-300r / min, and react for 5-24h.

[0034] ⑥ Take out the reaction precursor obtained in step ⑤, wash with water, filter with suction, and dry.

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Abstract

The invention discloses a cadmium sulfoselenide occlusion pigment. The powder fineness of the pigment is 0.5 to 3 [mu]m. The invention further provides a method for preparing the cadmium sulfoselenide occlusion pigment. The method comprises the following steps: mixing and stirring cadmium sulfate, zirconium oxychloride, selenium, thiourea, urea, white carbon black, poly-carboxylate and polyvinyl pyrrolidone, which are adopted as raw materials, to be dissolved in water, loading a solution in a reaction kettle, performing reaction for 5 to 24h under the conditions of temperature of 60 to 200 DEG C and rotating speed of 100 to 300r / min, performing natural cooling to obtain a pigment precursor after reaction, and executing washing, firing and drying steps to obtain a cadmium sulfoselenide occlusion pigment finished product. The molar ratio of the cadmium sulfate to the zirconium oxychloride to the thiourea to the urea to selenium powder to water glass to the poly-carboxylate to the polyvinyl pyrrolidone is (6-15):(25-40):(5-35):(60-250):(2.5-10):(25-50):(0.02-8.0):(0.01-4.0).

Description

technical field [0001] The invention belongs to the field of inorganic pigments and ceramic materials, and in particular relates to a cadmium sulfur selenide-wrapped pigment and a preparation method thereof, and also relates to a ceramic ink using the pigment and a preparation method thereof. Background technique [0002] Ceramic pigments belong to the category of inorganic pigments, known for their high-temperature stability in ceramic bodies and glazes, making them different from inorganic pigments widely used in other industries, such as paints and printing pigments. In the traditional ceramic industry, the various performances of colored glazes have always been the key indicators affecting the quality of ceramic products, including color stability, chemical stability, controllability of chroma and range of variation. Research is also mainly carried out around improving the key performance indicators mentioned above. Inorganic pigments are different from organic pigments...

Claims

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Application Information

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IPC IPC(8): C09C1/00B41M1/34B41M1/12B41J2/01B41J3/407C09D11/037C09D11/328
CPCB41J2/01B41J3/407B41J3/4073B41M1/12B41M1/34C09C1/0009C09D11/037C09D11/328
Inventor 李爱林
Owner FOSHAN HUAYI CERAMIC COLORS CO LTD
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