Composite ceramic material with high specific surface area

A high specific surface area, composite ceramic technology, applied in the field of composite materials, can solve the problems of complicated preparation process, low strength, high energy consumption, etc., and achieve the effects of high specific surface area, developed mesopores, and strong adsorption capacity

Inactive Publication Date: 2017-05-10
ZHENGZHOU BEIDOU COMM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional high specific surface area composite ceramic materials, the preparation process is cumbersome, consumes a lot of energy, and the specific surface area is more than 100cm 2 Below / g and low intensity

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A high specific surface area composite ceramic material, in parts by weight, the raw materials are: 4 parts of carbon fiber, 20 parts of ceramic particles, 2 parts of diisopropyl ether, 0.5 parts of barium hydroxide powder, 2 parts of diatomaceous earth powder, sodium carbonate powder 2 servings.

[0016] A preparation method of a high specific surface area composite ceramic material, the specific steps are:

[0017] (1) First, mix the ceramic particles, barium hydroxide powder, diatomaceous earth powder and sodium carbonate powder, then put them into the reaction kettle, carry out the melting reaction under 10MPa pressure and nitrogen protection, and obtain the mixture after cooling;

[0018] (2) Then, mix the mixture with carbon fiber and diisopropyl ether, and use ultrasonic vibration treatment under anhydrous conditions. The power of ultrasonic vibration treatment is 400W, the time is 4.5h, and it is dried at 4°C to obtain a high specific Surface area composite cer...

Embodiment 2

[0021] A high specific surface area composite ceramic material, in parts by weight, the raw materials are: 5 parts of carbon fiber, 23 parts of ceramic particles, 2 parts of diisopropyl ether, 0.7 parts of barium hydroxide powder, 2 parts of diatomite powder, barium hydroxide Magnesium powder 2 parts.

[0022] A preparation method of a high specific surface area composite ceramic material, the specific steps are:

[0023] (1) First, mix the ceramic particles, barium hydroxide powder, diatomaceous earth powder and sodium carbonate powder, then put them into the reaction kettle, carry out the melting reaction under 10MPa pressure and nitrogen protection, and obtain the mixture after cooling;

[0024] (2) Then, mix the mixture with carbon fiber and diisopropyl ether, and use ultrasonic vibration treatment under anhydrous conditions. The power of ultrasonic vibration treatment is 400W, the time is 4.5h, and it is dried at 4°C to obtain a high specific Surface area composite ceram...

Embodiment 3

[0027] A high specific surface area composite ceramic material, in parts by weight, the raw materials are: 7 parts of carbon fiber, 25 parts of ceramic particles, 3 parts of diisopropyl ether, 0.9 parts of barium hydroxide powder, 3 parts of diatomaceous earth powder, sodium carbonate powder 4 parts.

[0028] A preparation method of a high specific surface area composite ceramic material, the specific steps are:

[0029] (1) First, mix the ceramic particles, barium hydroxide powder, diatomaceous earth powder and sodium carbonate powder, then put them into the reaction kettle, carry out the melting reaction under 10MPa pressure and nitrogen protection, and obtain the mixture after cooling;

[0030] (2) Then, mix the mixture with carbon fiber and diisopropyl ether, and use ultrasonic vibration treatment under anhydrous conditions. The power of ultrasonic vibration treatment is 400W, the time is 4.5h, and it is dried at 4°C to obtain a high specific Surface area composite cerami...

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Abstract

The invention discloses a composite ceramic material with high specific surface area. The composite ceramic material with the high specific surface area comprises the following raw materials in parts by weight: 4 to 9 parts of carbon fiber, 20 to 30 parts of ceramic particles, 2 to 4 parts of diisopropyl ether, 0.5 to 1.4 parts of barium hydroxide powder, 2 to 4 parts of diatomite powder, and 2 to 6 parts of sodium carbonate powder. The composite ceramic material with the high specific surface area has the characteristics that the specific surface area is high, the forming is easy, the strength is high, and the like; the mesopore is developed, and the adsorbing ability is strong; the composite ceramic material can be widely applied to products with functions of air purification and the like.

Description

technical field [0001] The invention relates to the technical field of composite materials, in particular to a high specific surface area composite ceramic material. Background technique [0002] High specific surface area ceramics (also known as porous ceramics) are ceramic materials with a large number of penetrating and non-penetrating three-dimensional porous structures. , corrosion resistance, wear resistance, good biocompatibility, high specific strength, etc.) and pore characteristics (such as: low density, good thermal insulation, high specific surface area, low dielectric constant, good permeability, etc.) are effectively combined. At present, ceramics with high specific surface area have been widely used as filter materials, thermal insulation materials, artificial bone materials, electrode materials and catalyst carriers in many fields such as purification and filtration, aerospace, biomedicine, electronic devices, energy and chemical industry. Traditional high s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/00C04B35/80C04B35/622C04B35/632C04B35/626
CPCC04B38/00C04B35/622C04B35/62605C04B35/6268C04B35/632C04B35/80C04B2235/3201C04B2235/3215C04B2235/3418C04B2235/5248C04B2235/96
Inventor 不公告发明人
Owner ZHENGZHOU BEIDOU COMM TECH
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