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Color adjusting method of lithium-containing manganese dioxide colored glass

A technology of lithium manganese dioxide and colored glass is applied in the field of color adjustment of colored glass and colored glass containing lithium manganese dioxide, which can solve the problems of glass color difference and difficult control of the color of manganese-containing glass.

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 method for adjusting the color of lithium-containing manganese dioxide colored glass without changing the manganese content A series of manganese-containing purple glass with different colors can be melted, and the color of the glass can be accurately controlled to solve the problem of color difference in the same batch of glass caused by the difficulty in controlling the color of manganese-containing glass

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Limit the content of manganese dioxide to 0.15%, the content of calcium oxide to 38% and the content of sodium nitrate to 0.3%, and keep the content of the three unchanged, and change the color of the glass by changing the content of lithium oxide and silicon oxide.

[0019] A method for adjusting the color of lithium-containing manganese dioxide colored glass, the colored glass is made of silicon oxide, calcium oxide, lithium oxide, manganese dioxide and sodium nitrate, wherein the content of sodium nitrate is 0.3%, keeping manganese dioxide The content of lithium oxide is 0.15%, and the content of lithium oxide is adjusted to gradually increase from 0% to 15%. At this time, the content of silicon oxide gradually decreases from 61.55% to 46.55%. With the gradual increase of lithium oxide content, the color of the glass gradually increases. Deepen, detect its transmittance, chromaticity index a value and b value, found that the transmittance gradually decreases, and the ...

Embodiment 2

[0025] Limit the content of manganese dioxide to 0.3%, the content of calcium oxide to 0% and the content of sodium nitrate to 0.7%, and keep the content of the three unchanged, and change the color of the glass by changing the content of lithium oxide and silicon oxide.

[0026] A method for adjusting the color of lithium-containing manganese dioxide colored glass, the colored glass is made of silicon oxide, calcium oxide, lithium oxide, manganese dioxide and sodium nitrate, wherein the content of sodium nitrate is 0.7%, keeping manganese dioxide The content of lithium oxide is 0.3%, and the content of lithium oxide is adjusted to gradually increase from 0% to 15%. At this time, the content of silicon oxide gradually decreases from 99% to 84%. With the gradual increase of lithium oxide content, the color of the glass gradually increases. Deepen, detect the transmittance T, chromaticity index a value and b value, found that the transmittance T gradually decreases, the a value i...

Embodiment 3

[0032] Limit the content of manganese dioxide to 0.23%, the content of calcium oxide to 19% and the content of sodium nitrate to 0.5%, and keep the content of the three unchanged, and change the color of the glass by changing the content of lithium oxide and silicon oxide.

[0033] A method for adjusting the color of lithium-containing manganese dioxide colored glass, the colored glass is made of silicon oxide, calcium oxide, lithium oxide, manganese dioxide and sodium nitrate, wherein the content of sodium nitrate is 0.5%, keeping manganese dioxide The content of silicon oxide is 0.23%. Adjust the content of lithium oxide to gradually increase from 0% to 15%. At this time, the content of silicon oxide gradually decreases from 80.27% to 65.27%. With the gradual increase of lithium oxide content, the color of the glass gradually increases. Deepen, detect the transmittance T, chromaticity index a value and b value, found that the transmittance T gradually decreases, the a value i...

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PUM

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Abstract

The invention discloses a color adjusting method of lithium-containing manganese dioxide colored glass. The colored glass is prepared by using silicon oxide, calcium oxide, lithium oxide, manganese dioxide and sodium nitrate, and the color adjusting method is characterized in that the color of the glass is adjusted by adjusting the amount of lithium oxide within a range of 0-40% when the content of manganese dioxide is certain. A series of different colors of purple 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 method for adjusting the color of lithium-containing manganese dioxide colored glass. 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 method for adjusting the color of lithium-c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C4/02C03C3/076C03C3/078
Inventor 白晓华李建伟曹钦存
Owner LUOYANG INST OF SCI & TECH
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