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Antistatic ceramic material and preparation method thereof

A ceramic material and anti-static technology, applied in the field of ceramic materials, can solve problems such as poor wear resistance, low bending strength, and high price, and achieve the effect of improving anti-static performance, excellent anti-static performance, and improving overall performance

Inactive Publication Date: 2017-05-31
苏州耐思特塑胶有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Traditional structural ceramic materials such as alumina and zirconia have better wear resistance, corrosion resistance and high temperature stability than metals, but they are insulators at room temperature and cannot play an antistatic effect
Although other structural ceramics such as SiC, ZrC, TiN, ZrN, etc. have good electrical conductivity, they are expensive, the preparation process is relatively complicated, and there are difficulties in industrialization.
Fan Donghui and others used ion implantation technology to make ZrO 2 The volume resistivity of ceramics is reduced to 2.14W cm, but the ion implantation destroys the ceramic matrix, and its cost is high
Semiconductor TiO 2 Porcelain has static dissipative properties and is widely used in the textile industry, but its flexural strength is low and its wear resistance is poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] (1) Grind 40 parts of zirconia and 2 parts of quartz sand to 100 meshes, mix well, add 1 part of 5-carboxypyrrolidone and 12 parts of dibutyl ether, and stir for 20 minutes at a temperature of 50 °C at a rate of 250 r / min;

[0021] (2) Then add 4 parts of polyethyleneimine and 10 parts of diethyl phthalate, raise the temperature to 100°C, and keep it warm for 30 minutes;

[0022] (3) Then add a mixture of 2 parts of alumina and 3 parts of copper oxide crushed to 80 meshes, 7 parts of polypropylene, and 4 parts of allylbenzothiazole, and stir and react at a temperature of 140 °C at a rate of 600 r / min for 25 minutes to obtain a mixture; After the mixture is dried, under the protection of nitrogen, the temperature is raised to 1200°C at a rate of 10°C / min, and reacted for 0.5h; the antistatic ceramic material can be obtained after the reaction is cooled.

[0023] The surface resistivity of the ceramic material is 1.2×10 3 Ω / cm, the bending strength is 1100N / mm 2 .

Embodiment 2

[0029] (1) Grind 60 parts of zirconia and 6 parts of quartz sand to 150 meshes, mix well, add 4 parts of 5-carboxypyrrolidone and 15 parts of dibutyl ether, and stir for 30 minutes at a rate of 350 r / min at a temperature of 70 ° C;

[0030] (2) Then add 8 parts of polyethyleneimine and 20 parts of diethyl phthalate, raise the temperature to 130°C, and keep the reaction for 50 minutes;

[0031] (3) Then add a mixture of 5 parts of alumina and 6 parts of copper oxide crushed to 100 mesh, 12 parts of polypropylene, and 7 parts of allylbenzothiazole, and stir and react at a temperature of 150 °C at a rate of 800 r / min for 35 minutes to obtain a mixture; After the mixture was dried, under nitrogen protection, the temperature was raised to 1300° C. at a rate of 20° C. / min, and reacted for 1.5 hours; the antistatic ceramic material was obtained after the reaction was cooled.

[0032] The surface resistivity of the ceramic material is 1.15×10 3 Ω / cm, the bending strength is 1150N / mm ...

Embodiment 3

[0038] (1) Crush 45 parts of zirconia and 2 parts of quartz sand to 100 meshes, mix well, add 4 parts of 5-carboxypyrrolidone and 13 parts of dibutyl ether, and stir for 20 minutes at a temperature of 50 °C at a rate of 250 r / min;

[0039] (2) Then add 5 parts of polyethyleneimine and 15 parts of diethyl phthalate, raise the temperature to 100°C, and keep it warm for 30 minutes;

[0040] (3) Then add a mixture of 3 parts of alumina and 3 parts of copper oxide crushed to 80 meshes, 15 parts of polypropylene, and 4 parts of allylbenzothiazole, and stir and react at a temperature of 140 °C at a rate of 600 r / min for 25 minutes to obtain a mixture; After the mixture is dried, under the protection of nitrogen, the temperature is raised to 1200°C at a rate of 10°C / min, and reacted for 0.5h; the antistatic ceramic material can be obtained after the reaction is cooled.

[0041] The surface resistivity of the ceramic material is 1.10×10 3 Ω / cm, the bending strength is 1200N / mm 2 .

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Abstract

The invention discloses an antistatic ceramic material which comprises the following substances in parts by weight: 40-60 parts of zirconium oxide, 2-5 parts of alumina, 3-6 parts of copper oxide, 2-6 parts of quartz sand, 10-25 parts of polypropylene, 4-8 parts of polyethyleneimine, 1-4 parts of 5-carboxyl pyrrolidone, 12-15 parts of dibutyl ether, 4-7 parts of probenazole and 10-20 parts of diethyl phthalate. By adding the multiple chemical components in the ceramic technical process, the prepared ceramic material has the advantages of high wear resistance, high bending strength and favorable antistatic property. The preparation technique has the advantages of simple steps and energy saving.

Description

technical field [0001] The invention belongs to the field of ceramic materials, in particular to an antistatic ceramic material and a preparation method thereof. Background technique [0002] Static electricity is ubiquitous in our daily life. Although static electricity can be used in electrostatic copying, electrostatic spinning, electrostatic spraying and other processes, it has potential potential in the fields of petrochemical, textile, grinding and crushing, and electronic components. harm. For example, electrostatic accumulation can easily lead to serious consequences such as component damage or explosion. In the electronics industry, the United States loses more than 10 billion U.S. dollars a year due to electrostatic hazards; the United Kingdom as much as 2 billion pounds; 45% of substandard electronic devices in Japan are caused by static electricity. In the rapid development of the aerospace industry in recent years, due to the harsh environment such as high tem...

Claims

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Application Information

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IPC IPC(8): C04B35/48C04B35/632
CPCC04B35/48C04B35/632C04B2235/3217C04B2235/3232C04B2235/3281C04B2235/3418C04B2235/48C04B2235/96
Inventor 张雪明
Owner 苏州耐思特塑胶有限公司
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