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Black toner for glass printing ink and preparation method thereof

A glass ink and black technology is applied in the field of black toner for glass ink and its preparation. Effect

Pending Publication Date: 2022-04-22
广东丰霖新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the copper chromium black pigment produced by the existing solid phase method has shortcomings such as insufficient hiding power and low blackness, especially in the environment of energy saving and consumption reduction, glass ink needs to be cured at a lower temperature and in a shorter time Firing, which also puts forward higher requirements for black toner

Method used

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  • Black toner for glass printing ink and preparation method thereof
  • Black toner for glass printing ink and preparation method thereof
  • Black toner for glass printing ink and preparation method thereof

Examples

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preparation example Construction

[0050] The present invention also provides a kind of preparation method of black toner for glass ink, comprising the following steps:

[0051] (1) Ingredients: mix the raw materials according to the ratio to obtain the mixed raw materials.

[0052] (2) Ball milling: Put the mixed raw materials into a ball mill for wet ball milling. After ball milling for 4-5 hours, a mixed slurry is obtained. The particle size D50 of the mixed slurry is 1.0-1.5 μm, and the D90 is 2.3-2.5 μm. In the ball milling step, the ball mill uses zirconia balls as the ball millstone, and the particle size of the zirconia balls is 8-12 mm. During the ball milling process, the mass ratio of zirconia balls, mixed raw materials and water is 3:(1-1.5):1 .

[0053] (3) Water washing: Put the mixed slurry into the storage tank, change the water after the mixed slurry settles, repeat the precipitation and change the water, and perform multiple water washing treatments. After the water washing step is completed...

Embodiment 1

[0062] The black toner of the present embodiment is selected from the following components by mass percentage: copper oxide: 34%, chromium oxide: 63.8%, aluminum oxide: 1.5%, ammonium molybdate: 0.5%, bismuth oxide: 0.2% , wherein the average particle size of copper oxide is 3-5 μm, and the average particle size of aluminum oxide is less than or equal to 2 μm.

[0063] A preparation method of black toner for glass ink, comprising the following steps:

[0064] (1) The raw materials are mixed according to the proportion to obtain the mixed raw materials.

[0065] (2) Put the mixed raw material prepared in step (1) into a ball mill for wet ball milling, and after ball milling for 4 hours, a mixed slurry is obtained. The ball mill selects zirconia balls as the ball millstone, and the particle diameter of the zirconia balls is 8 to 12 mm. During the ball milling process, the mass ratio of zirconia balls, mixed raw materials and water is 3:1.2:1.

[0066] Detect the fineness of th...

Embodiment 2

[0073] The black toner of this embodiment is selected from the following components by mass percentage: copper oxide: 36%, chromium oxide: 61.4%, aluminum oxide: 1.0%, ammonium molybdate: 1.2%, bismuth oxide: 0.4% , wherein the average particle size of copper oxide is 3-5 μm, and the average particle size of aluminum oxide is less than or equal to 2 μm.

[0074] A preparation method of black toner for glass ink, comprising the following steps:

[0075] (1) The raw materials are mixed according to the proportion to obtain the mixed raw materials.

[0076] (2) Put the mixed raw material prepared in step (1) into a ball mill for wet ball milling, and after ball milling for 5 hours, a mixed slurry is obtained. The ball mill selects zirconia balls as the ball millstone, and the particle diameter of the zirconia balls is 8 to 12 mm. During the ball milling process, the mass ratio of zirconia balls, mixed raw materials and water is 3:1.2:1.

[0077] Detect the fineness of the mixed...

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Abstract

The invention discloses a black toner for glass printing ink and a preparation method thereof.The black toner is composed of, by mass, 30%-38% of copper oxide, 60%-68% of chromic oxide, 0.1%-2% of aluminum oxide, 0.4%-1.6% of ammonium molybdate and 0.1%-0.5% of bismuth oxide.The ammonium molybdate and the bismuth oxide serve as mineralizing agents, the reaction activity is improved, the reaction firing temperature is effectively reduced, and the service life of the black toner is prolonged; ammonium molybdate can significantly improve the covering power of the black toner, bismuth oxide is fused during sintering to form a glass phase, the viscosity of the toner can be significantly reduced, the fluidity of the toner can be improved, aluminum oxide serves as an additive to participate in a solid-phase reaction, the blackness of the black toner in ink can be improved, and the black toner is simple in preparation process and low in cost. The method is suitable for large-scale production.

Description

technical field [0001] The invention relates to the technical field of glass ink, in particular to a black toner for glass ink and a preparation method thereof. Background technique [0002] Black is the most widely used color in glass inks. Common black inorganic pigments include cobalt black, nickel black, iron chrome black, iron black, manganese iron black and copper chrome black. Among these black pigments, copper chrome black Pigments are the most widely used in black glass inks due to their excellent hiding power and blackness. [0003] The production methods of copper chromium black mainly include solid-phase method and liquid-phase method. Although the product prepared by the liquid phase method has small particle size and high purity, its preparation process is complicated and the production cost is high. Therefore, copper chromium black synthesized by solid phase method is more common. The solid-phase method is to use copper oxide and chromium oxide as the main r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/037
CPCC09D11/037
Inventor 刘位浪曾令兰
Owner 广东丰霖新材料科技有限公司
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