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Color adjusting method of potassium-containing manganese dioxide colored glass

A technology of manganese dioxide and colored glass, which is applied to the color adjustment of potassium-containing manganese dioxide colored glass, in the field of colored glass, and can solve the problems of glass color difference 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 manganese content and melting atmosphere, the present invention provides a method for adjusting the color of manganese dioxide-containing colored glass without changing the manganese content. It can melt a series of manganese-containing purple glass with different colors, and can accurately control the color of the glass, solving the problem of color difference in the same batch of glass caused by the difficult control of 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 24% 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 potassium oxide and silicon oxide.

[0019] A method for adjusting the color of potassium-containing manganese dioxide colored glass, the colored glass is made of silicon oxide, calcium oxide, potassium oxide, manganese dioxide and sodium nitrate, wherein the content of sodium nitrate is 0.3%, keeping manganese dioxide The content of potassium oxide is 0.15%, and the content of potassium oxide is adjusted to gradually increase from 0% to 40%. At this time, the content of silicon oxide is gradually reduced from 75.55% to 35.55%. With the increase of potassium oxide content, the color of the glass is characterized by The change trend of the parameter a value gradually increases (it is a positive value, the red is further deepened), and at 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 potassium oxide and silicon oxide.

[0026] A method for adjusting the color of potassium-containing manganese dioxide colored glass, the colored glass is made of silicon oxide, calcium oxide, potassium oxide, manganese dioxide and sodium nitrate, wherein the content of sodium nitrate is 0.7%, keeping manganese dioxide The content of potassium oxide is 0.3%, and the content of potassium oxide is adjusted to gradually increase from 0% to 40%. At this time, the content of silicon oxide is gradually reduced from 99% to 59%. With the increase of potassium oxide content, the color of the glass is characterized by The change trend of the parameter a value gradually increases (it is a positive value, the red is further deepened), and at the same time...

Embodiment 3

[0032] Limit the content of manganese dioxide to 0.23%, the content of calcium oxide to 12% 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 potassium oxide and silicon oxide.

[0033] A method for adjusting the color of potassium-containing manganese dioxide colored glass, the colored glass is made of silicon oxide, calcium oxide, potassium oxide, manganese dioxide and sodium nitrate, wherein the content of sodium nitrate is 0.5%, keeping manganese dioxide The content of potassium oxide is 0.23%, and the content of potassium oxide is adjusted to gradually increase from 0% to 40%. At this time, the content of silicon oxide gradually decreases from 87.27% to 47.27%. With the increase of potassium oxide content, the color of the glass is characterized by The change trend of the parameter a value is gradually increasing (it is a positive value, and the red is further deepened), and ...

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Abstract

The invention discloses a color adjusting method of potassium-containing manganese dioxide colored glass. The colored glass is prepared by using silicon oxide, calcium oxide, potassium 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 potassium 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 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 method for adjusting the color of colored glass containing potassium manganese dioxide. 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 manganese content and melting atmosphere, the present invention provides a method for adjusting th...

Claims

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Application Information

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IPC IPC(8): C03C4/02C03C1/06
Inventor 白晓华王晓峰石冬梅刘明国
Owner LUOYANG INST OF SCI & TECH
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