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Low-temperature melting block finished glaze and preparation method thereof

A low-temperature frit and finished product technology, which is applied in the field of low-temperature frit finished glaze and its preparation, can solve the problems of high firing temperature, achieve the effects of reducing temperature resistance requirements, bright colors, and reducing production costs

Active Publication Date: 2012-10-10
JIANGSU BAIFU TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a low-temperature frit finished glaze and its production method in view of the problems existing in the prior art. This low-temperature frit finished glaze can realize the qualified firing of ceramic glazes at 850°C to 900°C. The product solves the problem of high firing temperature when firing ceramic glazes in the prior art

Method used

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  • Low-temperature melting block finished glaze and preparation method thereof
  • Low-temperature melting block finished glaze and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] (1) Preparation of low-temperature frit: proportioning by weight percentage of the following raw materials:

[0038] Industrial Quartz 30% Aluminum Hydroxide 5%

[0039] Potassium Carbonate 5.5% Lithium Carbonate 2.5%

[0040] Lithium Fluoride 1.5% Calcium Carbonate 3.5%

[0041] Zinc Oxide 4% Boric Acid 20%

[0042] Borax 8% Red lead 20%

[0043]Weigh the raw materials of the above components, sieve (above 40 mesh), stir and mix for 20-30 minutes and homogenize, then melt at a temperature of 1400 ° C, and the melting cycle is 6 hours, and the invention can be obtained. low-temperature frit.

[0044] (2) Low-temperature frit finished glaze:

[0045] 90 parts by weight of low-temperature frit and 10 parts by weight of kaolin are uniformly mixed, ball-milled, filtered, dried, and powdered at a drying temperature of 145°C to obtain the finished low-temperature frit glaze of the present invention.

Embodiment 2

[0047] (1) Preparation of low-temperature frit: proportioning by weight percentage of the following raw materials:

[0048] Industrial Quartz 26.5% Aluminum Hydroxide 4.5%

[0049] Potassium Carbonate 3.8% Lithium Carbonate 3%

[0050] Lithium Fluoride 0.3% Calcium Carbonate 1.3%

[0051] Zinc Oxide 2.4% Boric Acid 21.2%

[0052] Borax 10.5% Red lead 26.5%

[0053] Weigh the raw materials of the above components, sieve (above 40 mesh), stir and mix for 20-30 minutes and homogenize, then melt at a temperature of 1450 ° C, and the melting cycle is 7 hours to obtain the present invention. low-temperature frit.

[0054] (3) Low-temperature frit finished glaze:

[0055] 92 parts by weight of low-temperature frit and 8 parts by weight of kaolin are uniformly mixed, ball-milled, filtered, dried and powdered at 140°C to obtain the finished low-temperature frit glaze of the present invention.

Embodiment 3

[0057] (1) Preparation of low-temperature frit: proportioning by weight percentage of the following raw materials:

[0058] Industrial Quartz 25.5% Aluminum Hydroxide 5%

[0059] Potassium Carbonate 4.6% Lithium Carbonate 4%

[0060] Lithium Fluoride 0.9% Calcium Carbonate 2%

[0061] Zinc Oxide 3% Boric Acid 15%

[0062] Borax 12% Red lead 28%

[0063] Weigh the raw materials of the above components, sieve (above 40 mesh), stir and mix for 20-30 minutes and homogenize, then melt at a temperature of 1500 ° C, and the melting cycle is 5.5 hours to obtain the present invention. low-temperature frit.

[0064] (2) Low-temperature frit finished glaze:

[0065] 91 parts by weight of low-temperature frit and 9 parts by weight of kaolin are uniformly mixed, ball-milled, filtered, dried and powdered at a drying temperature of 150°C to obtain the finished low-temperature frit glaze of the present invention.

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Abstract

The invention discloses a low-temperature melting block finished glaze and a preparation method thereof. The low-temperature melting block finished glaze is prepared by uniformly mixing the following materials in parts by weight: 90-94 parts of low-temperature melting block and 6-10 parts of kaolin, wherein the low-temperature melting block comprises mineral materials, mineralizing agents and fluxing agents; the mineral materials are industrial quartz and aluminium hydroxide; the mineralizing agents are potassium carbonate, lithium carbonate and lithium fluoride; and the fluxing agents are calcium carbonate, zinc oxide, boric acid, sodium borate and red lead. In the low-temperature melting block finished glaze prepared by the invention, qualified ceramic can be glaze-fired at the temperature of 850-900 DEG C, so that the temperature resistance requirement on kiln furnace equipment is reduced, the energy consumption of a ceramic product is reduced, further the manufacturing cost is reduced and ceramic pigment generates brighter color on the ceramic product.

Description

technical field [0001] The invention relates to the technical field of frit glaze for ceramic products, in particular to a low-temperature frit finished glaze and a preparation method thereof. Background technique [0002] At present, in the production of ceramic products, most of the ceramic products are fired twice: one biscuit firing and one glaze firing. In order to achieve the purpose of energy saving, many merchants have conducted research on how to reduce the firing temperature during the glaze firing process of ceramics. Since the 1970s, the firing temperature of ceramic products has dropped significantly, thus saving a lot of precious energy and ensuring the continuous and stable development of the ceramic industry. [0003] A low-temperature biscuit firing and a high-temperature glaze firing process are adopted. When the high-temperature glaze is fired, the biscuit inside will have gas volatilization, so that pinholes will appear on the surface of the product, resu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B41/86
Inventor 范盘华徐和良
Owner JIANGSU BAIFU TECH CO LTD
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