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A kind of lithium-toned manganese-containing colored glass and firing method thereof

A technology for colored glass and toning, which is applied in the field of inorganic non-metallic materials and can solve the problems such as difficulty in controlling the color of manganese-containing glass and chromatic aberration.

Inactive Publication Date: 2016-05-18
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 will change uncontrollably with manganese content and melting atmosphere, the present invention provides a manganese-containing colored glass with lithium tinting and its firing method. In the invention, a series of manganese-containing purple glasses 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 color difference in the same batch of glasses

Method used

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  • A kind of lithium-toned manganese-containing colored glass and firing method thereof

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Embodiment 1

[0017] A lithium-toned manganese-containing colored glass, which is fired from silicon oxide, calcium oxide, manganese oxide, sodium nitrate and toner lithium 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% lithium oxide.

[0018] The firing method of the above-mentioned manganese-containing colored glass toned by lithium 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 1445°C and then molded, and then annealed at 600°C 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 1445°C within 170-180 minutes, and keep the temperature at 1445°C until t...

Embodiment 2

[0023] A lithium-toned manganese-containing colored glass is fired from silicon oxide, calcium oxide, manganese oxide, sodium nitrate and toner lithium oxide. The contents of each component of the colored glass are 50% silicon oxide, 38% calcium oxide, 0.15% manganese oxide, 0.34% sodium nitrate and 11.51% lithium oxide.

[0024] The firing method of the above-mentioned manganese-containing colored glass toned by lithium 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) The prepared mixture is fully melted at 1445°C and then molded, and then annealed at 600°C 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 1445°C within 170-180 minutes, and keep the temperature at 1445°C until the m...

Embodiment 3

[0029] A lithium-toned manganese-containing colored glass, which is fired from silicon oxide, calcium oxide, manganese oxide, sodium nitrate and toner lithium oxide. The contents of each component of the colored glass are 69% silicon oxide, 19% calcium oxide, 0.15% manganese oxide, 2.95% sodium nitrate and 8.9% lithium oxide.

[0030] The firing method of the above-mentioned manganese-containing colored glass toned by lithium 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) The prepared mixture is fully melted at 1445°C and then molded, and then annealed at 600°C 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 1445°C within 170-180 minutes, and keep the temperature at 1445°C until ...

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Abstract

The invention relates to a lithium-toning manganese-containing colored glass and a sintering method thereof. The lithium-toning manganese-containing colored glass is prepared by sintering 50-88% of silicon oxide, 0-38% of calcium oxide, 0.15% of manganese oxide, 0.34-5.5% of sodium nitrate and 0-150% of a toner lithium oxide. A series of different colors of purple red glass can be obtained by changing the content of lithium 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 lithium-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 will change uncontrollably with manganese content and melting atmosphere, the present invention provides a manganese-containing colored ...

Claims

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Application Information

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