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Lightweight and high-strength ceramic decorative plate and preparation method thereof

A technology for decorative plates and ceramics, which is applied in the field of architectural ceramic decoration, and can solve the problems of reduced structure, low strength of porous ceramics, and reduced strength.

Active Publication Date: 2020-10-23
GUANGDONG SUMMIT CERAMIC CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main reason for the low strength of porous ceramics is that the high porosity leads to the reduction of the structure that can be carried per unit area, and the strength is also reduced, which severely limits the scope of use of porous ceramics. Therefore, a porous ceramic with high porosity and high strength has been developed. Ceramics are very important

Method used

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  • Lightweight and high-strength ceramic decorative plate and preparation method thereof
  • Lightweight and high-strength ceramic decorative plate and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Preparation of lightweight and high-strength ceramic decorative plates:

[0036] (a) Weigh 300kg of ball clay, 200kg of calcined bauxite, 20kg of mineralizing agent aluminum fluoride, 18kg of sintering aid molybdenum oxide, 40kg of reinforcing agent silicon carbide (particle size is 10μm) and 5kg of dispersant, and place in a ball mill Add water to the tank, and ball mill and mix for 12 hours to obtain a ceramic slurry with a median diameter of 8.7 μm, which is dried by a spray tower to obtain green body powder. Among them, 60% of the ball clay, that is, 180kg, was calcined at 900°C for 2 hours in advance, and the calcined ball clay contained 38.55% of alumina, 0.60% of titanium oxide and iron oxide in total; the alumina content in the calcined bauxite used was 78.50%, The total of titanium oxide and iron oxide is 3.75%.

[0037] (b) Pressing the green body powder obtained in step (a) into a ceramic green body through a press, the pressing pressure is 20 MPa, and the h...

Embodiment 2

[0042] Preparation of lightweight and high-strength ceramic decorative plates:

[0043] (a) Weigh 300kg of ball clay, 200kg of calcined bauxite, 10kg of mineralizing agent aluminum fluoride, 18kg of sintering aid molybdenum oxide, 40kg of reinforcing agent silicon carbide (particle size is 10μm) and 5kg of dispersant, and place in a ball mill Add water into the tank, and ball mill and mix for 20 hours to obtain a ceramic slurry with a median diameter of 4.6 μm, which is then dried by a spray tower to obtain green body powder. Among them, 60% of the ball clay, that is, 180kg, was calcined at 900°C for 2 hours in advance, and the calcined ball clay contained 38.55% of alumina, 0.60% of titanium oxide and iron oxide in total; the alumina content in the calcined bauxite used was 78.50%, The total of titanium oxide and iron oxide is 3.75%.

[0044] (b) Press the green body powder obtained in step (a) into a ceramic green body through a press, the pressing pressure is 30 MPa, and t...

Embodiment 3

[0049] Preparation of lightweight and high-strength ceramic decorative plates:

[0050] (a) Weigh 300kg of ball clay, 200kg of calcined bauxite, 25kg of mineralizing agent aluminum fluoride, 18kg of molybdenum oxide as a sintering aid, 60kg of ceramic tile polishing waste residue and 5kg of dispersant as reinforcing agent, place in a ball mill tank, add water , and ball milled for 15 hours to obtain a ceramic slurry with a median diameter of 6.7 μm, which was then dried by a spray tower to obtain green body powder. Among them, 60% of the ball clay, that is, 180kg, was calcined at 900°C for 2 hours in advance, and the calcined ball clay contained 38.55% of alumina, 0.60% of titanium oxide and iron oxide in total; the alumina content in the calcined bauxite used was 78.50%, The total of titanium oxide and iron oxide is 3.75%.

[0051] (b) Press the green body powder obtained in step (a) into a ceramic green body through a press, the pressing pressure is 35 MPa, and the holding ...

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Abstract

The invention provides a lightweight and high-strength ceramic decorative plate and a preparation method thereof. The lightweight and high-strength ceramic decorative plate is prepared by taking ballclay and calcined bauxite as raw materials and a mineralizer, a sintering aid, a reinforcing agent and a dispersing agent as auxiliary materials through the procedures of ball milling, spray drying, compression molding, ink-jet printing and glazing, two-time sintering, polishing and hole sealing. A large number of mullite whiskers are generated in situ in a ceramic body under the low-temperaturecatalytic action of the mineralizer and the sintering aid, so the strength of the lightweight ceramic plate is improved; and meanwhile, due to the scattering effect of a plurality of micropores in thelightweight and high-strength ceramic decorative plate on light, a green body has high whiteness, the procedure of applying whitening ground coat in the conventional procedure is omitted, the technological process is simplified, and the lightweight and high-strength ceramic decorative plate has a good decorative effect. In addition, through the hole sealing procedure of the side face and the bottom face of a ceramic tile, the moisture absorption expansion phenomenon in the using process of a traditional porous ceramic plate is avoided.

Description

technical field [0001] The invention belongs to the technical field of architectural ceramic decoration, and mainly relates to a light-weight high-strength ceramic decorative plate and a preparation method thereof. Background technique [0002] As an excellent building decoration material, ceramic tile occupies an important position in people's home life, but the production process also consumes a lot of mineral raw materials and energy such as clay, sand and stone. To reduce the consumption of raw materials and energy, in addition, the same purpose can also be achieved by reducing the bulk density of ceramic tiles, that is, reducing the transportation and installation costs of products, and expanding the application fields of ceramic tile products (such as high-rise buildings, lightweight door panels cabinets, etc.). [0003] There are various methods to prepare lightweight porous ceramics, such as particle packing method, pore former method, extrusion molding method, foam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/13C04B33/32C04B33/132C04B35/10C04B35/64C04B38/00C04B41/89C04B33/36C04B35/81
CPCC04B33/131C04B33/32C04B33/1324C04B33/1305C04B33/1315C04B35/10C04B35/64C04B35/62204C04B38/0054C04B41/89C04B41/52C04B41/009C04B33/36C04B2235/3826C04B2235/77C04B2235/96C04B2235/445C04B2235/3256C04B2235/3229C04B2235/5276C04B2235/3463C04B2235/9646C04B38/0074C04B38/0067C04B41/4543C04B41/5022C04B41/4961Y02P40/60
Inventor 叶德林马杰陈然简润桐黄佳奇王亚婕刘世明
Owner GUANGDONG SUMMIT CERAMIC CO LTD
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