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Gray iron oxide pigment dry-method manufacturing process

A technology of iron oxide pigments and iron oxide black, which is applied in the treatment of inorganic pigments, chemical instruments and methods, and the treatment of dyed low-molecular organic compounds, and can solve the problems of unsatisfactory properties of iron oxide pigments, poor dispersion and suspension, and sedimentation speed. Fast and other problems, to achieve the effect of clear production process, slow down the sedimentation speed, and improve the dispersion

Inactive Publication Date: 2020-10-13
常德市正邦建筑装饰材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the properties of currently commercially available iron oxide pigments are not very satisfactory, their dispersibility and suspension in water are poor, their sedimentation speed is fast, they are easy to agglomerate, and there is a certain color difference, so their application has been restricted to a certain extent. limitations

Method used

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  • Gray iron oxide pigment dry-method manufacturing process

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Effect test

Embodiment 1

[0024] A dry process for producing gray iron oxide pigments, comprising the following constituent materials in parts by weight: 100 parts of iron oxide black, 10 parts of titanium dioxide, 8 parts of body material, 5 parts of aluminizing agent, and 4 parts of polyhydric alcohol.

[0025] A kind of gray iron oxide pigment dry method manufacturing process is characterized in that: comprises the following steps:

[0026] A. Add titanium dioxide, iron oxide black, and body materials in proportion to the batching bin and mix to obtain mixture a;

[0027] B. Send the mixture a into the ball mill, add the raw materials to about 90% of the capacity of the ball mill, and gradually increase the speed of the ball mill;

[0028] C. When the ball milling time reaches 2 / 3 of the total time, add an aluminizing agent to stabilize the color matching;

[0029] D. After the ball mill processing is finished, take out the mixture in the ball mill, pulverize it with a pulverizer, and then filter i...

Embodiment 2

[0033] A gray iron oxide pigment, comprising raw materials in parts by weight: 90 parts of iron oxide black, 9 parts of titanium dioxide, 6.5 parts of body material, 4 parts of aluminizing agent, and 3 parts of polyhydric alcohol.

[0034] A kind of gray iron oxide pigment dry method manufacturing process is characterized in that: comprises the following steps:

[0035] A. Add titanium dioxide, iron oxide black, and body materials in proportion to the batching bin and mix to obtain mixture a;

[0036] B. Send the mixture a into the ball mill, add the raw materials to about 90% of the capacity of the ball mill, and gradually increase the speed of the ball mill;

[0037] C. When the ball milling time reaches 2 / 3 of the total time, add an aluminizing agent to stabilize the color matching;

[0038] D. After the ball mill processing is finished, take out the mixture in the ball mill, pulverize it with a pulverizer, and then filter it with a sieve;

[0039] E. The large particles ...

Embodiment 3

[0042] A gray iron oxide pigment, comprising raw materials in parts by weight: 100 parts of iron oxide black, 10 parts of titanium dioxide, 8 parts of body material, 5 parts of aluminizing agent, and 4 parts of polyhydric alcohol.

[0043] A kind of gray iron oxide pigment dry method manufacturing process is characterized in that: comprises the following steps:

[0044] A. Add titanium dioxide, iron oxide black, and body materials in proportion to the batching bin and mix to obtain mixture a;

[0045] B. Send the mixture a into the ball mill, add the raw materials to about 90% of the capacity of the ball mill, and gradually increase the speed of the ball mill;

[0046] C. When the ball milling time reaches 2 / 3 of the total time, add an aluminizing agent to stabilize the color matching;

[0047] D. After the ball mill processing is finished, take out the mixture in the ball mill, pulverize it with a pulverizer, and then filter it with a sieve;

[0048] E. The large particles ...

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Abstract

The invention provides a gray iron oxide pigment dry-method manufacturing process, and relates to the field of inorganic pigment production. The raw materials comprise iron oxide black, titanium dioxide, a body pigment, an aluminizing agent and polyol. The manufacturing process comprises the following steps: A, adding titanium dioxide, iron oxide black and the body pigment into a proportioning bin, and mixing to obtain a mixture a; B, feeding the mixture a into a ball mill; C, adding an aluminizing agent for stabilizing; D, after the ball mill finishes processing, taking out the mixture, crushing the mixture by a crusher, and filtering by a filter sieve; E, carrying out secondary crushing on large particles obtained by filtering, and carrying out filtering; and F, carrying out dry surfacetreatment. According to the invention, the performance of the iron oxide pigment can be greatly improved through dry surface treatment, the raw material mixture is subjected to ball-milling treatmentthrough a grinding machine, the raw materials of the mixture are sufficiently crushed, the formula is simple, the manufacturing process is clear, and the obtained pigment can achieve high coloring strength and a small color difference value and is high in practicability.

Description

technical field [0001] The invention relates to the field of inorganic pigment production, in particular to a dry process for producing gray iron oxide pigments. Background technique [0002] Iron oxide pigments mainly refer to iron oxide red, iron yellow, iron black, iron orange, iron brown and other colored pigments whose basic substance is iron oxide. Iron oxide pigments are characterized by their many colors, wide spectrum, non-toxic and cheap Features, widely used in coatings, building materials, plastics, electronics, tobacco, abrasives, medicine, pet feed additives and other industries. Worldwide, the production and sales volume of iron oxide pigments is second only to titanium dioxide, and it is the second largest inorganic color pigment with a wide range. The world's consumption of iron oxide pigments reaches 1 million tons per year. [0003] However, the properties of currently commercially available iron oxide pigments are not very satisfactory, their dispersibil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/24C09C3/06C09C3/08C09C3/04
CPCC09C1/24C09C3/006C09C3/041C09C3/06C09C3/08
Inventor 刘太平
Owner 常德市正邦建筑装饰材料有限公司
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