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Aventurine metallic luster glaze and preparation method thereof

A technique for metallic luster and Venus glaze, applied in the field of Venus metallic luster glaze and its preparation, can solve the problems of unstable firing effect of the firing process, and achieve the effects of moderate size of Venus, few pinholes on the glaze surface and uniform distribution

Active Publication Date: 2016-07-20
HUIDA SANITARY WARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because this kind of glaze has relatively high requirements on formula composition and firing process, and the firing effect is unstable, so this kind of glaze is only suitable for ceramic tiles and artworks at present, and has not been applied in sanitary ceramics.

Method used

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  • Aventurine metallic luster glaze and preparation method thereof
  • Aventurine metallic luster glaze and preparation method thereof
  • Aventurine metallic luster glaze and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A kind of Venus metallic luster glaze, raw material is composed in Table 1 by weight, SiO in the cristobalite 2 The content is 99.5%.

[0027] The catalyst is a P-Al-based mixture, and its chemical composition is as follows in terms of mass percentage: loss on ignition: 18.5%, SiO 2 : 5.5%, Al 2 o 3 : 18%, P 2 o 5 : 51%, Na 2 O: 1.0%, ZnO: 5.5%, does not contain lead and chromium elements, and the balance is other unavoidable impurity elements; the crystallization agent is a P-Fe system mixture, and its chemical composition is as follows in terms of mass percentage: loss on ignition : 22.2%, Fe 2 o 3 : 40.5%, P 2 o 5 : 37%, without lead and chromium, and the balance is other unavoidable impurity elements.

[0028] The production and application method of Jinxing metallic luster glaze, the specific steps are as follows:

[0029] 1) Prepare glaze slurry

[0030] The raw materials are mixed evenly according to the proportion to obtain the total dry material, an...

Embodiment 2

[0036] A kind of Venus metallic luster glaze, raw material is composed in Table 1 by weight, SiO in the cristobalite 2 The content is 99.5%.

[0037] The catalyst is a P-Al-based mixture, and its chemical composition is as follows in terms of mass percentage: loss on ignition: 18.5%, SiO 2 : 5.5%, Al 2 o 3 : 18%, P 2 o 5 : 51%, Na 2 O: 1.0%, ZnO: 5.5%, does not contain lead and chromium elements, and the balance is other unavoidable impurity elements; the crystallization agent is a P-Fe system mixture, and its chemical composition is as follows in terms of mass percentage: loss on ignition : 22.2%, Fe 2 o 3 : 40.5%, P 2 o 5 : 37%, without lead and chromium, and the balance is other unavoidable impurity elements.

[0038] The production and application method of Jinxing metallic luster glaze, the specific steps are as follows:

[0039] 1) Prepare glaze slurry

[0040] The raw materials are mixed evenly according to the proportion to obtain the total dry material, an...

Embodiment 3

[0046] A kind of Venus metallic luster glaze, raw material is composed in Table 1 by weight, SiO in the cristobalite 2 The content is 99.5%.

[0047] The catalyst is a P-Al-based mixture, and its chemical composition is as follows in terms of mass percentage: loss on ignition: 18.5%, SiO 2 : 5.5%, Al 2 o 3 : 18%, P 2 o 5 : 51%, Na 2 O: 1.0%, ZnO: 5.5%, does not contain lead and chromium elements, and the balance is other unavoidable impurity elements; the crystallization agent is a P-Fe system mixture, and its chemical composition is as follows in terms of mass percentage: loss on ignition : 22.2%, Fe 2 o 3 : 40.5%, P 2 o 5 : 37%, without lead and chromium, and the balance is other unavoidable impurity elements.

[0048] The production and application method of Jinxing metallic luster glaze, the specific steps are as follows:

[0049] 1) Prepare glaze slurry

[0050] The raw materials are mixed evenly according to the proportion to obtain the total dry material, an...

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Abstract

The invention relates to aventurine metallic luster glaze and a preparation method thereof.The aventurine glaze is prepared from, by weight, the raw materials of 30-50 parts of albite, 2-10 parts of cristobalite, 5-18 parts of calcined talc, 2-8 parts of aluminium oxide, 2-7 parts of zinc oxide, 4-15 parts of boron frit, 0-6 parts of calcined kaolin, 15-30 parts of catalyst, and 8-20 parts of crystallization agent.The preparation method of the aventurine metallic luster glaze comprises the steps that the raw materials are evenly mixed in proportion to obtain the total dry material, water is added in a certain proportion to be mixed, glaze slip with the concentration of 325-335g / 200ml is obtained, and the glaze slip with the granularity smaller than or equal to 10 microns is controlled to range from 50% to 55%.By means of reasonable adjustment of the firing process system and optimization of chemical composition of the formula, during later condensation after high-temperature firing, many micro ferric oxide crystalline granules are separated out from the glaze of the aventurine glaze produced in the invention, and many isolated flake-shaped single crystals sparkling like small gold foils are formed, so that an aventurine metallic glaze effect is shown.

Description

technical field [0001] The invention belongs to the technical field of sanitary ceramics preparation, and in particular relates to a Venus metallic luster glaze and a preparation method thereof. Background technique [0002] At present, with the improvement of people's living taste, higher decorative requirements have been placed on the glazed surface of sanitary ceramics, which not only have use value but also have ornamental value. Due to the elegant and resplendent artistic effect of metal decorative materials, glazed surfaces with metallic luster are becoming more and more popular. Venus glaze is a special type of microcrystalline glaze. Its mechanism is that when the crystallization agent condenses in the late stage of high-temperature firing, many fine iron oxide crystal grains are precipitated to form gold sand. These extremely fine gold grain crystals are not floating on the glaze. above the surface, but buried beneath the surface of the glaze, suspended in a transp...

Claims

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Application Information

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IPC IPC(8): C04B41/86C03C8/02
CPCC03C8/02C04B41/5022C04B41/86
Inventor 王彦庆董志军董子红谭瑞超李涛王春金
Owner HUIDA SANITARY WARE
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