Mid-lower-temperature sintering daily talc ceramic and production method thereof

A technology of low-temperature sintering and talc porcelain, which is applied in the field of daily-use ceramics, can solve the problems of easy-fried porcelain, poor molding performance, and narrow sintering range, and achieves the effects of low sintering temperature, wide sintering range, and easy industrialization and application.

Active Publication Date: 2012-01-18
JINGDEZHEN CERAMIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to overcome the deficiencies in the existing daily-use talc porcelain production technology, and provide a new material for daily-use talc porcelain sintered at medium and low temperatures. The method of steatite porcelain, which can well solve the problems of poor molding performance, narrow sintering range and easy porcelain explosion in the prior art

Method used

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  • Mid-lower-temperature sintering daily talc ceramic and production method thereof
  • Mid-lower-temperature sintering daily talc ceramic and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Weigh the raw materials according to the billet formula: talc 53%, kaolin 27%, potassium feldspar 17%, alumina 3%, put the above raw materials into the ball mill, mix and ball mill to the required fineness (that is, the cumulative percentage of particles below 10 μm accounts for 90% or more), followed by sieving, iron removal, pressure filtration, mud refining, aging, molding, glazing, and then sintering at 1180°C to 1230°C to form porcelain. The blank chemical composition of the resulting product is: 61.61% SiO 2 , 16.14%Al 2 o 3 , 2.55%K 2 O, 0.66% Na 2 O, CaO 1.29%, MgO 17.59%, Fe 2 o 3 0.14%, TiO 2 0.02%.

Embodiment 2

[0019] Raw materials were weighed according to the billet formula: 50% talc, 26% kaolin, 20% potassium feldspar, 4% alumina, and the production process was the same as in Example 1. The blank chemical composition of the resulting product is: 61.19% SiO 2 , 17.29% Al 2 o 3 , 2.80%K 2 O, 0.75% Na 2 O, 1.23% CaO, 16.60% MgO, 0.14% Fe 2 o 3 , 0.02%TiO 2 .

Embodiment 3

[0021] Raw materials were weighed according to the billet formula: talc 55%, kaolin 28%, potassium feldspar 15%, alumina 2%, and its production process was the same as in Example 1. The blank chemical composition of the resulting product is: 62.09% SiO 2 , 15.15%Al 2 o 3 , 2.38%K 2 O, 0.61% Na 2 O, 1.34% CaO, 18.27% MgO, 0.15% Fe 2 o 3 , 0.02%TiO 2 .

[0022] The product performance that is made by above-mentioned each embodiment is as following table:

[0023] Example

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Abstract

The invention belongs to the technical field of daily ceramics, in particular to a mid-lower-temperature sintering daily talc ceramic and a production method thereof. The daily talc ceramic comprises the following chemical components: 58-63% of SiO2, 15-20% of Al2O3, 15-20% of MgO, 0.2-4% of K2O, 0.5-1% of Na2O, 0.1-2% of CaO and comprises the following components: 50-55% of talc, 25-30% of kaoline, 15-20% of feldspar and 2-5% of alumina. The daily talc ceramic has a sintering temperature range of 1180-1230 DEG C, uses great amounts of kaoline and feldspar, has the advantages of good molding performance, wide sintering range and low sintering temperature, overcomes the defects of difficult molding, difficult sintering and easy ceramic fracture of the traditional talc ceramic and is easy to popularize and apply.

Description

technical field [0001] The invention belongs to the technical field of daily-use ceramics, and in particular relates to a new material of daily-use steatite porcelain and a method for producing the daily-use steatite porcelain. Background technique [0002] Daily-use talc porcelain is a new type of porcelain developed by Shandong Silicate Research and Design Institute in the 1970s. After the 1970s, domestic porcelain producing areas such as Shandong, Liaoning, and Hebei, as well as Japan abroad, have conducted a lot of research and put into mass production. Daily-use talc porcelain uses talc as the main raw material, and its raw material formula range is generally 70-75% of burnt talc, 10-15% of feldspar, and 12-18% of clay. Talc porcelain is characterized by high whiteness, high strength, good light transmittance, and glossy color, and can be used as fine daily-use porcelain and arts and crafts porcelain. However, the production of daily-use talc porcelain has always been...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/195C04B35/20
Inventor 江伟辉包镇红谭训彦虞澎澎苗立锋刘健敏
Owner JINGDEZHEN CERAMIC UNIV
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