High-strength magnesium jade porcelain

Abstract

The invention discloses high-strength magnesium jade porcelain which is characterized by comprising the following substances in parts by weight: 35-50 parts of magnesium clay, 25-36 parts of frit, 3-7 parts of monocalcium phosphate, 2-9 parts of superphosphate, 10-18 parts of stearic acid, 5-8 parts of chlorinated paraffin, 5-8 parts of polyacrylate, 11-18 parts of aluminum oxide, 9-12 parts of silicon carbide, 20-46 parts of talc, 1-4 parts of barium stannate, 11-21 parts of calcium carbonate, 1-3.5 parts of sodium carboxymethylcellulose, 15-29 parts of magnesite, 20-30 parts of albite and 3-11 parts of magnesium carbonate. The high-strength magnesium jade porcelain has the beneficial effects that once-firing is realized, and the problem that the product generated by firing temperature of lots of adopted talc materials is low in regularity and thermal shock resistance is solved and improved. Moreover, reasonable raw materials and blank formula and the production process are the basis of realizing once-firing of the magnesium jade porcelain and are also key points of solving the problems of extruding and molding difficulty and low strength of the fired product.

Description

technical field [0001] The invention relates to a high-strength magnesia jade porcelain. Background technique [0002] Magnesia jade porcelain has the characteristics of high whiteness, good translucency, fine porcelain quality, and smooth glaze. It is a high-grade porcelain product in the field of Chinese and foreign ceramics, and it is currently recognized as an ideal porcelain for high-end hotels and restaurants. The main raw materials of magnesia jade porcelain are talc, feldspar, etc. Talc originally belonged to the category of industrial ceramics and was mainly used in the electric porcelain and electronic industries as insulating electronic devices. After the 1990s, it gradually expanded to the field of daily-use porcelain. [0003] The main raw material of existing magnesia jade porcelain is talc, which has a flake structure, which is prone to directional arrangement in the green body during the extrusion molding process, causing anisotropic repulsion of the green bo...

AI Technical Summary

Problems solved by technology

[0003] The main raw material of existing magnesia jade porcelain is talc, which has a flake structure, which is prone to directional arrangement in the green body during the extrusion molding process, causing anisotropic repulsion of the green body, which will cause The uneven shrinkage in different directions will cause greater stress in the product, which will lead to cracking of the product, and the strength of the product will also be reduced due to the large internal stress and cause later cracking of the product

[0004] The existing manufacturing method of firing magnesia jade porcelain is complicated, and the method of firing twice is usually used to solve the problem of narrow firing control of this kind of porcelain, that is, plain firing at a high temperature of 1350°C, and then glaze firing at 1050°C-1150°C. The firing technology is not only complicated in process, but also a large number of talc materials will bring about the problem of poor product regularity and thermal shock resistance caused by firing temperature