Composite ceramic material with high specific surface area and preparation method of composite ceramic material

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

Inactive Publication Date: 2017-03-08
ZHENGZHOU YUANRAN BIOLOGY TECH CO LTD
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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 polyvinyl isobutyl ether, 0.5 parts of alumina powder, 2 parts of silicon carbide powder, magnesium oxide 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, alumina powder, silicon carbide powder and magnesium oxide 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 polyvinyl isobutyl ether, and use ultrasonic oscillation treatment under anhydrous conditions. The power of ultrasonic oscillation treatment is 400W, the time is 4.5h, and it is dried at 4°C to obtain High specific surface area composite ceramic mater...

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 polyvinyl isobutyl ether, 0.7 parts of alumina powder, 2 parts of silicon carbide powder, alumina magnesium 2 parts of powder.

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

[0023] (1) First, mix the ceramic particles, alumina powder, silicon carbide powder and magnesium oxide 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 polyvinyl isobutyl ether, and use ultrasonic oscillation treatment under anhydrous conditions. The power of ultrasonic oscillation treatment is 400W, the time is 4.5h, and it is dried at 4°C to obtain High specific surface area composite ceramic mat...

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 polyvinyl isobutyl ether, 0.9 parts of alumina powder, 3 parts of silicon carbide powder, magnesium oxide 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, alumina powder, silicon carbide powder and magnesium oxide 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 polyvinyl isobutyl ether, and use ultrasonic oscillation treatment under anhydrous conditions. The power of ultrasonic oscillation treatment is 400W, the time is 4.5h, and it is dried at 4°C to obtain High specific surface area composite ceramic material...

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Abstract

The invention discloses a composite ceramic material with a high specific surface area and a preparation method of the composite ceramic material. The composite ceramic material with the high specific surface area is prepared from raw materials in parts by weight as follows: 4-9 parts of carbon fibers, 20-30 parts of ceramic particles, 2-4 parts of polyvinyl isobutyl ether, 0.5-1.4 parts of aluminum oxide powder, 2-4 parts of silicon carbide powder and 2-6 parts of magnesium oxide powder. The prepared composite ceramic material with the high specific surface area has the characteristics of being high in specific surface area, prone to forming, high in strength and the like, has developed mesopores and high adsorption capacity and can be widely applied to air purification products 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 and a preparation method thereof. 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 chemi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/04C04B18/02C04B38/00C04B14/02C04B14/30C04B14/32
CPCC04B26/04C04B18/023C04B2201/50C04B2201/52C04B14/386C04B38/00C04B14/02C04B14/303C04B14/324C04B14/304
Inventor 刘东东
Owner ZHENGZHOU YUANRAN BIOLOGY TECH CO LTD
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