Summary of the invention
The technical problem to be solved in the present invention is at the defective of existing big red coloring intensity and colour generation weak effect, to provide a kind of color development at high temperature stable, high temperature scarlet ceramic pigment that colour generation is effective and production method.
Solve the problems of the technologies described above by the following technical solutions: a kind of high temperature scarlet ceramic pigment, the raw material and the weight percent content that constitute this pigment are: yttrium oxide 63.50~66.50, aluminum oxide 30.50~34.50, chromic oxide 0.90~1.90 adds mineralizer 1~5.
A kind of production method of high temperature scarlet ceramic pigment, undertaken by following step, weight percent batching according to raw material, the weight percent of each raw material is respectively yttrium oxide 63.50~66.50, aluminum oxide 30.50~34.50, chromic oxide 0.90~1.90, add mineralizer fluorite 1~5 simultaneously, admixtion is put into the stirring mill to be ground, material after the grinding is crossed 10000-hole sieve, material after sieving is placed on drying and dehydrating under 105 ℃ the temperature, then in high-temperature electric resistance furnace in 1350 ℃ synthetic down, be incubated 3 hours; Put into behind the naturally cooling and stir the barreling mill, the small-particle after grinding is placed on rinsing in the water, sieve after the rinsing, the product after sieving is the pigment finished product.
The present invention at high temperature color development is stable, compares with background technology, has solved the problem of ubiquitous aberration of big red and quality weak effect, both can be used for ceramic batch, can be used for ceramic glaze again, can improve the visual appearance of decorative effect and product effectively, application prospect is very wide.In addition, the raw materials for production of this pigment are easily purchased and are easy to get, and production method is simple, and process flow steps is simplified, and is convenient to scale production.
Embodiment
The invention will be further described below in conjunction with specific embodiment.
The present invention is a raw material with yttrium oxide, aluminum oxide, chromic oxide, adds the mineralizer fluorite, and these raw materials are technical pure.The embodiment of composition of raw materials that produces this pigment is as follows:
Embodiment 1:(weight percent) yttrium oxide 67.00, aluminum oxide 31.55, chromic oxide 1.45 adds fluorite 1.0.
Embodiment 2:(weight percent) yttrium oxide 65.50, aluminum oxide 32.90, chromic oxide 1.60 adds fluorite 2.0.
Embodiment 3:(weight percent) yttrium oxide 63.60, aluminum oxide 34.50, chromic oxide 1.90 adds fluorite 1.5.
Embodiment 4:(weight percent) yttrium oxide 66.50, aluminum oxide 31.60, chromic oxide 1.90 adds fluorite 3.5.
Embodiment 5:(weight percent) yttrium oxide 66.00, aluminum oxide 33.00, chromic oxide 1.00 adds fluorite 4.0.
Embodiment 6:(weight percent) yttrium oxide 63.5, aluminum oxide 34.50, chromic oxide 0.9 adds mineralizer 1.1.
Embodiment 7:(weight percent) yttrium oxide 66.5, aluminum oxide 30.50, chromic oxide 1.9 adds mineralizer 1.1.
Embodiment 8:(weight percent) yttrium oxide 63.5, aluminum oxide 30.50, chromic oxide 1 adds mineralizer 5.
The used mineralizer of the present invention is fluorite (CaF
2)
Production method embodiment of the present invention
Raw material is weighed respectively according to weight percent content, add fluorite and be mixed and made into admixtion;
Admixtion is put into the stirring mill to be ground;
To cross 10000-hole sieve through the admixtion that grinds, undersized material is standby;
With undersized material drying and dehydrating under 105 ℃ temperature;
It is synthetic that powder after the drying dehydration is placed in 1350 ℃ the electric furnace high temperature, is incubated 3 hours;
Put into behind the powder naturally cooling with high temperature after synthetic and stir barreling and be milled to particle diameter all less than 30 μ m;
Small-particle after grinding is placed on rinsing in the water, crosses 10000-hole sieve, drying, packing after the rinsing, the product of acquisition is the beramic color finished product.