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Potassium-toning manganese-containing colored glass and sintering method thereof

A technology of colored glass and content, applied in the field of inorganic non-metallic materials, can solve the problems of large color difference of glass and difficult control of the color of manganese-containing glass, etc.

Inactive Publication Date: 2014-10-22
LUOYANG INST OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem in the prior art that the color of manganese-containing colored glass changes uncontrollably with the melting atmosphere, the present invention provides a potassium-toned manganese-containing colored glass and its firing method. In the present invention, A series of manganese-containing purple glass with different colors can be melted without changing the manganese content, and the color of the glass can be accurately controlled to solve the problem that the color of the manganese-containing glass is difficult to control and cause a large color difference in the same batch of glass

Method used

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  • Potassium-toning manganese-containing colored glass and sintering method thereof

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Embodiment 1

[0017] A potassium-toned manganese-containing colored glass, which is fired from silicon oxide, calcium oxide, manganese oxide, sodium nitrate and toner potassium oxide. The contents of each component of the colored glass are 88% silicon oxide, 0% calcium oxide, 0.15% manganese oxide, 5.5% sodium nitrate and 6.35% potassium oxide.

[0018] The firing method of the manganese-containing colored glass of above-mentioned potassium tinting, comprises the following steps:

[0019] 1) Select suitable raw materials for batching, and ensure that the content of each component in the selected raw materials meets the ratio of the above requirements;

[0020] 2) The prepared mixture is fully melted at 1468°C, and then annealed at 600°C and drawn into shape to obtain the product.

[0021] Step 2) When the mixture is melting, first raise the temperature uniformly to 200°C within 60-70 minutes, then raise the temperature from 200°C to 1468°C within 170-180 minutes, and keep the temperature a...

Embodiment 2

[0023] A manganese-containing colored glass toned by potassium, which is fired from silicon oxide, calcium oxide, manganese oxide, sodium nitrate and toner potassium oxide. The contents of each component of the colored glass are 50% silicon oxide, 24% calcium oxide, 0.15% manganese oxide, 0.34% sodium nitrate and 25.51% potassium oxide.

[0024] The firing method of the manganese-containing colored glass of above-mentioned potassium tinting, comprises the following steps:

[0025] 1) Select suitable raw materials for batching, and ensure that the content of each component in the selected raw materials meets the ratio of the above requirements;

[0026] 2) Fully melt the prepared mixture at 1468°C, and anneal at 600°C after molding to obtain the product.

[0027] Step 2) When the mixture is melting, first raise the temperature uniformly to 200°C within 60-70 minutes, then raise the temperature from 200°C to 1468°C within 170-180 minutes, and keep the temperature at 1468°C unti...

Embodiment 3

[0029] A manganese-containing colored glass toned by potassium, which is fired from silicon oxide, calcium oxide, manganese oxide, sodium nitrate and potassium oxide as a toner. The contents of each component of the colored glass are 69% silicon oxide, 12% calcium oxide, 0.15% manganese oxide, 2.95% sodium nitrate and 15.9% potassium oxide.

[0030] The firing method of the manganese-containing colored glass of above-mentioned potassium tinting, comprises the following steps:

[0031] 1) Select suitable raw materials for batching, and ensure that the content of each component in the selected raw materials meets the ratio of the above requirements;

[0032] 2) Fully melt the prepared mixture at 1468°C, and anneal at 600°C after molding to obtain the product.

[0033] Step 2) When the mixture is melting, first raise the temperature uniformly to 200°C within 60-70 minutes, then raise the temperature from 200°C to 1468°C within 170-180 minutes, and keep the temperature at 1468°C ...

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Abstract

The invention relates to a potassium-toning manganese-containing colored glass and a sintering method thereof. The potassium-toning manganese-containing colored glass is prepared by sintering 50-88% of silicon oxide, 0-24% of calcium oxide, 0.15% of manganese oxide, 0.34-5.5% of sodium nitrate and 0-40% of a toner potassium oxide. A series of different colors of purple glass can be obtained by changing the content of potassium oxide without changing of the content of manganese, so same batch glass chromatic aberration caused by manganese valence change due to different atmospheres in the melting process is avoided, thereby the operation is simple; and the addition of sodium nitrate ensures the strong oxidizing property of the melting atmosphere, and guarantees the stability of the coloring effect.

Description

technical field [0001] The invention relates to colored glass in the field of inorganic non-metallic materials, in particular to a potassium-toned manganese-containing colored glass and a firing method thereof. Background technique [0002] In the existing colored glass, the manganese-containing glass is violet. Generally, it is necessary to change the manganese content in the glass ingredients to obtain different shades of purple glass, and because manganese has various valence states of +2~+7, the melting atmosphere is slightly different. Even if the manganese content is the same, the color of the glass obtained by melting will be different, and it is difficult to accurately control the color of the glass. Contents of the invention [0003] In order to solve the problem in the prior art that the color of manganese-containing colored glass changes uncontrollably with the melting atmosphere, the present invention provides a potassium-toned manganese-containing colored glas...

Claims

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Application Information

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IPC IPC(8): C03C4/02C03C3/076C03C3/078
Inventor 白晓华
Owner LUOYANG INST OF SCI & TECH
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