Preparation method of inorganic and organic coated rutile titanium dioxide

A rutile-type titanium dioxide coating technology, applied in the field of materials, can solve the problems of poor coating effect of titanium dioxide coating, low intelligence, complex production process of titanium dioxide, etc.

Inactive Publication Date: 2018-11-16
HUNAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The existing titanium dioxide production process is complicated and the performance is poor; at the same time, the existing titanium dioxide coating effect is poor and uneven
low level of intelligence
[0008] In the existing control technol...

Method used

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  • Preparation method of inorganic and organic coated rutile titanium dioxide
  • Preparation method of inorganic and organic coated rutile titanium dioxide
  • Preparation method of inorganic and organic coated rutile titanium dioxide

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preparation example Construction

[0107] Such as figure 1 As shown, the preparation method of the surface inorganic and organic coated rutile titanium dioxide provided by the embodiment of the present invention comprises the following steps:

[0108] S101, detecting the temperature in the combustion chamber through the temperature detection module; setting the calcination time through the timing module; controlling the preparation equipment through the operation module;

[0109] S102, the central control module dispatches and weighs the raw material module weighs 1.5% to 2% of calcined kaolin, 1% to 3% of silane coupling agent, 35% to 60% of iron ore powder, and 15% to 20% of sulfuric acid according to mass percentage, Whitening agent 3%-5%, sodium silicate 5%-6%, ammonium salt 7%-8%, tungsten trioxide 6%-8%;

[0110] S103, grinding and mixing the raw materials of each component through a grinding mold to obtain a mixed raw material; putting the mixed raw material into a combustion chamber through a calcinat...

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Abstract

Belonging to the technical field of materials, the invention discloses a preparation method of inorganic and organic coated rutile titanium dioxide. The preparation system includes: a temperature detection module, a timing module, an operation module, a central control module, a raw material weighing module, a grinding module, a calcination module, a crushing module and a coating module. The composite titanium dioxide prepared by the method provided by the invention simplifies the production process and saves production cost, and moreover, the composite titanium dioxide has uniform particle size distribution and superior performance. According to the invention, the coating module adopts orthosiliconic acid as the silicon source, employs low alkalinity sodium metaaluminate, or employs low alkalinity sodium metaaluminate and aluminum sulfate as the aluminum coating raw materials for compact silicon-aluminum coating of titanium dioxide, thus providing a new way for coating of titanium dioxide. The method provided by the invention has the characteristics of simple operation, low production process labor intensity and low cost, and is worth popularizing and applying.

Description

technical field [0001] The invention belongs to the technical field of materials, and in particular relates to a preparation method of rutile-type titanium dioxide coated with inorganic and organic coatings on the surface. Background technique [0002] At present, the existing technologies commonly used in the industry are as follows: [0003] Rutile is relatively pure titanium dioxide, which generally contains more than 95% titanium dioxide. It is an important mineral raw material for extracting titanium, but it has less reserves in the earth's crust. It has excellent properties such as high temperature resistance, low temperature resistance, corrosion resistance, high strength, and small specific gravity, and is widely used in military aviation, aerospace, navigation, machinery, chemical industry, seawater desalination, etc. Rutile itself is one of the necessary raw materials for high-grade welding electrodes, and it is also the best raw material for producing rutile tit...

Claims

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Application Information

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IPC IPC(8): C09C1/36C09C3/06G06F9/445
CPCC09C1/3661C09C3/063G06F9/445
Inventor 段海婷侯清麟饶居华
Owner HUNAN UNIV OF TECH
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