Dehua snow white porcelain and its preparation method

Abstract

The invention relates to a Dehua snow-white ceramic and a preparation method thereof. The Dehua snow-white ceramic comprises a show-white green body and a show-white glaze; the show-white green body is prepared from the following raw materials in parts by weight: Dehua kaolin, Dehua potassium feldspar and Dehua quartz; the show-white glaze is prepared from the following raw materials in parts by weight: Dehua kaolin, Dehua limestone, Dehua potassium feldspar, Dehua quartz, white corundum and clam meal; the prepared Dehua snow-white ceramic has whiteness of 83-85 degrees, water absorption of 0,transmissivity of above 15% (1mm), white and pure appearance and fine glaze; local Dehua raw materials are finely selected as the raw materials for baking the snow-white ceramic; the chemical constituents of the raw materials are strictly controlled; zirconium oxide and zinc oxide are introduced into the raw materials of the green body, so that the baked green body is prevented from yellowing andthe whiteness of the green body is similar to the whiteness of snow.

Description

technical field [0001] The invention belongs to the field of porcelain preparation, in particular to a Dehua snow-white porcelain and its preparation method Background technique [0002] Dehua white porcelain originated in the Song and Yuan Dynasties, was famous in the Ming Dynasty, and was extended in the early Qing Dynasty. It has a unique style in the white porcelain system in my country, occupies an important position in the history of ceramic development, and has the reputation of "Oriental Art" internationally. . Dehua white porcelain in the Ming and Qing dynasties was fired with a transparent glaze on a low-iron porcelain body. Dehua white porcelain of the Ming Dynasty has a pure white, solid and dense body bone. The technology of its body glaze strives to pursue the perfection of jade texture, which is unique in the dazzling array of porcelain altars. According to the different porcelain colors, they are snow white, ivory white, onion root white, etc. [0003] Snow...

AI Technical Summary

Problems solved by technology

The raw materials and firing techniques of traditional snow-white porcelain have been lost, while the existing white porcelain can achieve the whiteness of traditional onion snow-white porcelain or even higher through the combination of chemical glazes, but it lacks the tradition of Dehua white porcelain in terms of color and luster. It is delicate and dense, and the traditional snow-white porcelain is not as white as possible.