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Preparation process and application of novel foam ceramic material

A technology for foam ceramics and raw materials, applied in the field of foam ceramic materials, can solve the problems of easy falling off, unsafe, inconvenient construction, etc., and achieve the effects of reducing production cost, uniform pores, and simple and effective preparation process

Active Publication Date: 2012-05-09
SHANDONG JINDE NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Foamed ceramics in the prior art, decorative building ceramic bricks have a large specific gravity, and the surface of the bricks is "glazed" or "polished". When used, it must be firmly pasted with cement mortar, and it is constructed by professionals. It is often used in For exterior wall decoration, if building ceramic tiles are used for interior wall decoration, the monochromatic glaze and polished glass luster will make the interior decoration effect look gorgeous, excessive, elegant and insufficiently varied, and the architectural ceramic bricks with a larger proportion will increase It is easy to fall off and unsafe, and the construction is extremely inconvenient

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A ceramic foam material, made according to the following raw materials in weight fractions: silicon carbide powder 90, deionized water 20, zirconium diboride 12, polycarbosilane 10, corundum 8, calcium carbonate 8, molybdenum disulfide 6, graphite 5 , Dolomite 5, Sodium Tripolyphosphate 3, Polyethylene Glycol 2, Polyvinyl Alcohol 1, Ammonium Chloride 1, Valeric Acid 1.

[0016] The preparation method of the above-mentioned foamed ceramic material is carried out according to the following steps: add the above-mentioned raw materials into the stirring tank according to the proportion and fully stir to make the mixture uniform, place it in a thermostat at 50°C for 20 minutes, and then ball mill it on a vibrating ball mill for 10 hours. Stir well and mix evenly, and dry at 140°C to obtain powder. After drying, the moisture content is 3%. Press the powder on a hydraulic press with a pressing pressure of 200MPa, and then oxidize it in an oxygen flow at 150°C for 5 hours. , si...

Embodiment 2

[0018] A ceramic foam material, characterized in that the ceramic foam material is made according to the following raw materials by weight fraction: silicon carbide powder 90, deionized water 20, zirconium diboride 12, polycarbosilane 10, emery 8, calcium carbonate 8. Molybdenum disulfide 6, graphite 5, dolomite 5, sodium tripolyphosphate 3, polyethylene glycol 2, polyvinyl alcohol 1, ammonium chloride 1, valeric acid 1.

[0019] The preparation method of the foamed ceramic material is carried out according to the following steps: add the above-mentioned raw materials into the stirring tank according to the proportion and fully stir to make the mixture uniform, place it in a 50°C thermostat for 20 minutes, and then ball mill it on a vibrating ball mill for 10 hours. Stir well again and mix evenly, and dry at 140°C to obtain a powder. After drying, the moisture content is 3%. Press the powder on a hydraulic press at a pressure of 200MPa, and then oxidize it in an oxygen stream a...

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Abstract

The invention relates to a foam ceramic material. The foam ceramic material is prepared from the following raw materials by weight fraction: silicon carbide powder: 90, de-ionized water: 20, zirconium diboride: 12, polycarbosilane: 10, carborundum: 8, calcium carbonate: 8, molybdenum disulfide: 6, graphite: 5, dolomite: 5, sodium tripolyphosphate: 3, polyethylene glycol: 2, polyvinyl alcohol: 1, ammonium chloride; 1 and valeric acid: 1. The invention further discloses a preparation method of the foam ceramic material. In the invention, the ceramic material prepared by using the preparation method has the advantages of strong compression strength and bending strength, uniform foams and smaller density, and the preparation process is simple and effective.

Description

technical field [0001] The invention relates to a foam ceramic material, in particular to a preparation method and application of a silicon carbide foam ceramic material. Background technique [0002] The development of foamed ceramic materials began in the 1970s and is a porous material with high temperature properties. Its pore size varies from nanometer to micrometer, and its porosity is between 20% and 95%. Since the United States invented the use of ceramic slurry such as alumina and kaolin to successfully develop foam ceramics in 1978, and used them for aluminum alloy casting and filtration, countries such as Britain, Japan, Germany, and Switzerland have competed to carry out research, with increasingly advanced production technology and technical equipment. More and more mechanization and automation are developing, and a variety of materials have been developed, which are suitable for different purposes of foam ceramic filters such as Al2O3, ZrO2, SiC, silicon nitrid...

Claims

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Application Information

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IPC IPC(8): C04B38/06C04B35/622
Inventor 胡尊奎
Owner SHANDONG JINDE NEW MATERIAL CO LTD
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