High temperature scarlet ceramic pigment and production method thereof

Abstract

The invention provides a high temperature scarlet ceramic pigment and its preparing process, wherein the raw materials comprise (by weight percent) yttrium oxide 63.50-66.50, aluminum oxide 30.50-34.50, chromium hemitrioxide 0.90-1.90, and mineralization agent 1-5. The preparing process consists of weighing raw materials and batching, grinding the batches and sieving, drying and dewatering, synthesizing in a high-temperature electric resistance furnace, thermal insulating and naturally cooling, grinding, rinsing and sieving.

Description

technical field

[0001] The invention relates to a ceramic pigment, in particular to a high-temperature scarlet ceramic pigment and a production method thereof. Background technique

[0002] Red ceramic pigments play an important decorative role in product color decoration, color blanks and colored glazes. At present, the bright red pigments used in the ceramic industry are mainly "wrapped" pigments. The main raw materials for the production of this pigment are cadmium sulfide, cadmium selenide, zircon, etc. The method for producing such raw materials is to combine cadmium sulfide and cadmium selenide A certain proportion is solid-solved into the zircon crystal lattice after high-temperature synthesis. The existing scarlet pigment is very sensitive to temperature, has poor high-temperature stability, and has limited encapsulation rate, and the color development strength and color rendering effect are not ideal. Contents of the invention

[0003] The technical problem to be...