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High-strength magnesia porcelain ultrathin plate and preparation method thereof
The invention relates to a high-strength magnesia porcelain ultrathin plate with thickness of 0.5-1.5mm and strength of 160MPa-200MPa. The high-strength magnesia porcelain ultrathin plate is prepared from the following mineral raw materials in percentage by mass through an aqueous tape casting technology: 70wt%-75wt% of talcum, 10wt%-15wt% of kaolin, 6wt%-10wt% of potassium feldspar, 2wt%-5wt% of barium carbonate, 1wt%-3wt% of zinc oxide, and 4wt%-6wt% of other alkaline earth metallic minerals. The slurry mixing process mainly comprises four stages including high-speed ball milling, dispersing by means of rapid milling and slow milling, plastifying and tackifying by means of slow milling, and stirring for removing bubbles under a vacuum condition; and then, the high-strength porcelain ultrathin plate is obtained through a tape casting firing step. The high-strength magnesia porcelain ultrathin plate has the characteristics of light weight, excellent light transmission, exquisite texture, high whiteness, and on the like; moreover, the high-strength magnesia porcelain ultrathin plate is easy to implement in industrialization, and has stability and high uniform performance in large-scale preparation.
High-strength magnesia porcelain ultrathin plate and preparation method thereof
The invention relates to a high-strength magnesia porcelain ultrathin plate with thickness of 0.5-1.5mm and strength of 160MPa-200MPa. The high-strength magnesia porcelain ultrathin plate is prepared from the following mineral raw materials in percentage by mass through an aqueous tape casting technology: 70wt%-75wt% of talcum, 10wt%-15wt% of kaolin, 6wt%-10wt% of potassium feldspar, 2wt%-5wt% of barium carbonate, 1wt%-3wt% of zinc oxide, and 4wt%-6wt% of other alkaline earth metallic minerals. The slurry mixing process mainly comprises four stages including high-speed ball milling, dispersing by means of rapid milling and slow milling, plastifying and tackifying by means of slow milling, and stirring for removing bubbles under a vacuum condition; and then, the high-strength porcelain ultrathin plate is obtained through a tape casting firing step. The high-strength magnesia porcelain ultrathin plate has the characteristics of light weight, excellent light transmission, exquisite texture, high whiteness, and on the like; moreover, the high-strength magnesia porcelain ultrathin plate is easy to implement in industrialization, and has stability and high uniform performance in large-scale preparation.
High-strength magnesia porcelain ultrathin plate and preparation method thereof
CHENG LIANG (author) / LUO LINGHONG (author) / SHI JIJUN (author) / WU YEFAN (author) / SUN LIANGLIANG (author) / XU XU (author)
2015-05-06
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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