Method for preparing underglaze bone china

Abstract

The invention discloses a method for preparing underglaze bone china, which comprises the following production steps: preparing a bone china material into a blank; performing high temperature biscuit firing on the blank, wherein the temperature of the biscuit firing is between 1,250 and 1,280 DEG C; performing color painting on a product after the biscuit firing, wherein the pigment used by the color painting is prepared from the following compositions by weight percentage: 65 to 75 percent of colorradical and 25 to 35 percent of glaze; performing high temperature color firing on the product after the color painting, and the temperature of the color firing is between 1,200 and 1,250 DEG C; and glazing the product after the high temperature color firing with the same glaze in the pigment, and performing medium temperature glaze firing to prepare a finished product, wherein the temperature of the glaze firing is between 1,050 and 1,150 DEG C. The underglaze bone china prepared by the method has clear color painting patterns, strong stereovision, and rich, fresh and bright color of the color painting patterns, smooth, neat and delicate glaze and high firing rate.

Description

technical field [0001] The invention relates to a production method of ceramics, in particular to a preparation method of underglaze color bone china. Background technique [0002] Bone China is a world-recognized high-grade porcelain. Bone china is milky white and translucent. The product is extremely light. The glaze is smooth, bright and lubricated. At present, bone china mainly adopts the traditional production process of overglaze color for decoration. Because of the complicated firing technology of underglaze color bone china, it is difficult to produce high-quality underglaze color bone china. [0003] The Chinese patent publication number is CN101121601A, and the disclosure date is February 13, 2008. The title of the invention is the bone china underglaze color process, and the application discloses a bone china underglaze color process. The technology disclosed in this application discloses that underglaze color products of bone china can be made through three fir...

AI Technical Summary

Problems solved by technology

This process is to make bone china by applying thin glaze on the plain embryo, which is similar to the painting process in glaze, and the glaze layer will be formed after adding glaze and firing, which is not conducive to painting, and the clarity of the pattern of the product is not ideal. Not strong sense of hierarchy