Method for preparing functional building ceramic

A technology of architectural ceramics and functional ceramics, applied in the field of architectural ceramic materials, can solve the problems of high cost, unacceptable, and expensive functional architectural ceramics, and achieve the effects of low cost, stable performance, and strong economic applicability

Inactive Publication Date: 2011-11-16
FOSHAN CERAMIC R & D CENT SHANGHAI INST OF CERAMICS CHINESE ACAD OF SCI
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  • Application Information

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Problems solved by technology

Compared with the basic raw materials of building ceramics (about tens to hundreds of yuan / ton), the price of functional ceramic powder (about tens of thousands to hundreds of thousands of yuan / ton) is very expensive, so the cost of the functional building ceramics produced is very high. High, difficult to be accepted by the market

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preparation example Construction

[0020] The present invention is a preparation method of functional architectural ceramics, which adopts a two-stage mixing process to coat a layer of functional ceramic material on the surface of ceramic blank particles, and then press molding and firing to obtain a three-dimensional network structure phase and a ceramic filler phase. Composed of functional architectural ceramics. The two-stage mixing process is to add the functional ceramic powder to the ceramic blank according to a certain proportion, put it in the mixer for mixing, and then carry out homogenization treatment through multi-layer equal-diameter sieve holes, so that the functional ceramic powder can be evenly coated on the ceramic Billet particle surface. Among them, functional ceramic powders include photocatalytic ceramic powders, self-cleaning ceramic powders, high toughness ceramic powders and ceramic fiber reinforced materials, high thermal conductivity ceramic materials, magnetic ceramic materials and hi...

Embodiment 1

[0027] Preparation process of photocatalytic sterilizing tiles:

[0028] 1. Preparation of composite ceramic powder with photocatalytic function: 20% modified anatase nano-titanium dioxide, Al 2 o 3 16%, SiO 2 50%, CaO2.5%, MgO3.5%, K 2 O1.8%, Na 2 O2.2%, ZnO1.6% and BaO2.4% are mixed and ball milled, dried, granulated, and passed through a 100-mesh sieve to obtain the required photocatalytic composite ceramic powder;

[0029] 2. Weigh the photocatalytic functional composite ceramic powder and the ceramic blank according to the mass ratio of 10:90, put them in a vertical mixer for mixing, and then pass through 6 layers of 30-mesh mesh sieves for homogenization treatment. The surface of ceramic blank particles is evenly coated with a layer of photocatalytic functional composite ceramic powder;

[0030] 3. Compress the mixed powder obtained in step 2 into a kiln for firing. The firing temperature is 1180° C. and the firing time is 55 minutes.

[0031] The photocatalytic st...

Embodiment 2

[0035] Preparation process of chopped fiber toughness reinforced tiles:

[0036] 1. Preparation of ceramic chopped fiber composite ceramic powder: mix (by weight percentage) high-temperature aluminum silicate chopped fiber 25%, Al 2 o 3 18%, SiO 2 46%, CaO2.0%, MgO2.0%, K 2 O1.8%, Na 2 O3.2%, ZnO1.0% and BaO0.5% are mixed and ball milled, dried, granulated, and passed through a 100-mesh sieve to obtain the required conductive powder;

[0037] 2. Weigh the ceramic chopped fiber composite ceramic powder and the ceramic blank according to the mass ratio of 5:95, 10:90, 15:85 and 20:80, respectively, and place them in a vertical mixer for mixing. After 6 layers of 30-mesh sieve homogenization treatment, a layer of ceramic chopped fiber composite ceramic powder is uniformly coated on the surface of ceramic blank particles;

[0038] 3. Compress the mixed powder obtained in step 2 into a kiln for firing. The firing temperature is 1235° C. and the firing time is 60 minutes.

[003...

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Abstract

The invention discloses a method for preparing functional building ceramic, which is characterized in that a layer of functional ceramic material layer is coated on the surface of a ceramic blank material particle by using a secondary mixing technology, the functional building ceramic composed of a three-dimensional net structure phase and a ceramic filling material phase can be obtained after compacting forming and burning. According to the invention, the application amount of the functional ceramic powder can be reduced, and the production cost can be decreased, and the preparation method is suitable for various ceramic blank material formulas and has obvious technical innovation and cost advantage.

Description

technical field [0001] The invention relates to the technical field of building ceramic materials, and more specifically relates to a preparation method of building ceramics. Background technique [0002] Traditional architectural ceramics have the characteristics of high investment, high pollution, high energy consumption, and low added value, and are facing increasing pressure in terms of energy conservation, environmental friendliness, and economic efficiency. At the same time, with the continuous improvement of people's living standards and the continuous development of domestic aviation, military, microelectronics and other industries, the market is demanding high-end architectural ceramics with functions such as photocatalytic sterilization, self-cleaning, high toughness, high thermal conductivity, magnetism, and high electrical conductivity. The increasing demand also puts forward higher requirements for the development of the traditional building ceramics industry. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/628
Inventor 吴定星于伟东蔡晓峰
Owner FOSHAN CERAMIC R & D CENT SHANGHAI INST OF CERAMICS CHINESE ACAD OF SCI
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