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Chrome-containing glass component

A technology of composition and chrome glass, which is applied in the field of glass formula, can solve the problems of insufficient brightness of chrome-containing glass and insufficient brilliance of glass handicrafts, etc.

Inactive Publication Date: 2015-04-29
LUOYANG INST OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chromium-containing glass can be used to make imitation jade handicrafts, but the brightness of ordinary chrome-containing glass is not high enough to make such glass handicrafts not bright enough

Method used

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  • Chrome-containing glass component

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A chromium-containing glass composition, each component by weight percentage includes: SiO 2 71.5%, CaO 8.0%, MgO 4.0%, Fe 2 o 3 0.14%, Al 2 o 3 0.8%, Li 2 O 5.0%, K 2 O 0.08%, Na 2 O 9.9%, PbO 0.43% and Cr 2 o 3 0.15%;

[0014] Utilize the chromium-containing glass composition of the above formula to prepare chromium-containing glass:

[0015] (1) Making glass batch materials: Mix silica sand, dolomite, limestone, albite, lithium carbonate, sodium nitrate and lead nitrate and mix them evenly, then add potassium dichromate and stir evenly again to obtain glass batch materials.

[0016] (2) Melting: Weigh the prepared glass batch and put it into a box-type resistance furnace for melting to obtain molten glass;

[0017] (3) Crystallization: Pour the glass liquid into the mold quickly, put the mold together with the glass sample in a box-type resistance furnace, heat up to 600-700°C for a period of time, and make the glass crystal sublimation; heat up aga...

Embodiment 2

[0020] A chromium-containing glass composition, each component by weight percentage includes: SiO 2 71.55%, CaO 7.5%, MgO 4.6%, Fe 2 o 3 0.12%, Al 2 o 3 0.9%, Li 2 O 4.6%, K 2 O 0.07%, Na 2 O 9.94%, PbO 0.47% and Cr 2 o 3 0.25%;

[0021] Utilize the chromium-containing glass composition of the above formula to prepare chromium-containing glass:

[0022] (1) Making glass batch materials: Mix silica sand, dolomite, limestone, albite, lithium carbonate, sodium nitrate and lead nitrate and mix them evenly, then add potassium dichromate and stir evenly again to obtain glass batch materials.

[0023] (2) Melting: Weigh the prepared glass batch and put it into a box-type resistance furnace for melting to obtain molten glass;

[0024] (3) Crystallization: Pour the glass liquid into the mold quickly, put the mold together with the glass sample in a box-type resistance furnace, heat up to 600-700°C for a period of time, and make the glass crystal sublimation; heat up a...

Embodiment 3

[0027] A chromium-containing glass composition, each component by weight percentage includes: SiO 2 70.5%, CaO 7.96%, MgO 4.6%, Fe 2 o 3 0.1%, Al 2 o 3 1%, Li 2 O 5%, K 2 O 0.08%, Na 2 O 9.94%, PbO 0.47% and Cr 2 o 3 0.35%;

[0028] Utilize the chromium-containing glass composition of the above formula to prepare chromium-containing glass:

[0029] (1) Making glass batch materials: Mix silica sand, dolomite, limestone, albite, lithium carbonate, sodium nitrate and lead nitrate and mix them evenly, then add potassium dichromate and stir evenly again to obtain glass batch materials.

[0030] (2) Melting: Weigh the prepared glass batch and put it into a box-type resistance furnace for melting to obtain molten glass;

[0031] (3) Crystallization: Pour the glass liquid into the mold quickly, put the mold together with the glass sample in a box-type resistance furnace, heat up to 600-700°C for a period of time, and make the glass crystal sublimation; heat up again to...

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Abstract

The invention relates to a chrome-containing glass component. The glass component comprises the following ingredients in percentage by weight: 70.5-71.8% of SiO2, 7.4-8.0% of CaO, 4.0-4.6% of MgO, 0.1-0.14% of Fe2O3, 0.8-1.0% of Al2O3, 4.6-5.0% of Li2O, 0.07-0.08% of K2O, 9.9-9.94% of Na2O, 0.43-0.47% of PbO and 0.10-0.35% of Cr2O. The chrome-containing glass component comprises the following raw materials, namely, silica sand, dolomite, limestone, albite, lithium carbonate, sodium nitrate, lead nitrate and potassium dichromate. The chrome-containing glass component which is prepared according to the formula is bright and sparkling in appearance, and is particularly applicable to manufacturing of jadeite imitations.

Description

technical field [0001] The invention relates to a glass formulation, in particular to a chrome-containing glass composition. Background technique [0002] Glass is an inexpensive man-made gemstone that can be used to imitate natural gemstones such as chalcedony, quartz, beryl (emerald and aquamarine), emerald, nephrite, and topaz, among others. The glass used for imitation gemstones in gemology is composed of silicon oxide (a component of quartz) and a small amount of alkali metal elements such as calcium, sodium, potassium or oxides of lead, boron, aluminum, and barium. There are two main types of glass used as gem imitations: crown glass and flint glass. The most commonly used components of crown glass are silicon, soda and lime, which are the same materials used to make bottles and optical glass; in addition to silicon and soda, flint glass uses lead oxide instead of lime in crown glass, so it is also called lead Glass. Because the presence of lead increases both the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C3/105C03C6/04
Inventor 白晓华李淑静曹钦存苏会利王勇
Owner LUOYANG INST OF SCI & TECH
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