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Blue-green energy accumulation type glow stones and preparation method thereof

A blue-green, energy-storage technology, which is applied in the direction of luminescent materials, chemical instruments and methods, etc., can solve problems affecting human health, difficult for ordinary people to own, and expensive, etc., to achieve improved crystallization performance and luminescent performance, and good viewing The effect of value, cheap raw materials

Inactive Publication Date: 2018-09-25
MINNAN NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because natural luminous pearls are very rare and expensive, it is difficult for ordinary people to own them.
In addition, natural luminous pearls generally contain radioactive elements, which affect human health.

Method used

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  • Blue-green energy accumulation type glow stones and preparation method thereof
  • Blue-green energy accumulation type glow stones and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] (1) According to 0.003MnO 0.9985ZrO 2 ·SiO2 2 The stoichiometric ratio was weighed ZrOCl 2 ·8H 2 O, SiO 2 , MnCO 3 , and take its 30 mol% mineralizer NaF;

[0022] (2) Weigh the ZrOCl 2 ·8H 2 O, SiO 2 , MnCO 3 , NaF mixed and placed in a ball mill jar, and added absolute ethanol to half the height of the jar, then ground at a speed of 600 r / min for 4 hours, taken out, air-dried and transferred to a crucible;

[0023] (3) Put the crucible in the box furnace, in H 2 with N 2 According to volume ratio V(H 2 ):V(N 2 ) = 2:98 in a weakly reducing atmosphere, calcined at 1100 ° C for 4 hours to obtain blue-green long-lasting luminescent powder;

[0024] (4) Mix the blue-green long-lasting luminescent powder with its dosage of 50 wt% boric acid, 3 mol% zirconium hydrogen phosphate and 0.1 wt% water, put it in a closed container for aging for 1 hour, and then press it under 0.2 MPa machine pressing;

[0025] (5) Place the compacted green body in the crucible, 2 ...

Embodiment 2

[0028] (1) According to 0.15MnO 0.925ZrO 2 ·SiO2 2 The stoichiometric ratio was weighed ZrOCl 2 ·8H 2 O, SiO 2 , MnCO 3 , and take its 70 mol% mineralizer NaF;

[0029] (2) Weigh the ZrOCl 2 ·8H 2 O, SiO 2 , MnCO 3 , NaF mixed and placed in a ball mill jar, and added absolute ethanol to half the height of the jar, then ground at a speed of 1000 r / min for 3 hours, taken out, air-dried and transferred to a crucible;

[0030] (3) Put the crucible in the box furnace, in H 2 with N 2 According to volume ratio V(H 2 ):V(N 2 ) = 3:97 in a weakly reducing atmosphere, calcined at 1300 ° C for 3 hours to obtain blue-green long-lasting luminescent powder;

[0031] (4) Mix the blue-green long-lasting luminescent powder with 200 wt% of boric acid, 15 mol% of zirconium hydrogen phosphate and 5 wt% of water, put it in a closed container for aging for 1h, and then pass it under isostatic pressure at 2.0 MPa. compression molding;

[0032] (5) Put the compacted body in a crucible...

Embodiment 3

[0035] (1) According to 0.05MnO 0.975ZrO 2 ·SiO2 2 The stoichiometric ratio was weighed ZrOCl 2 ·8H 2 O, SiO 2 , MnCO 3 , and take its 50 mol% mineralizer NaF;

[0036] (2) Weigh the ZrOCl 2 ·8H 2 O, SiO 2 , MnCO 3, NaF mixed and placed in a ball mill jar, and added absolute ethanol to half the height of the jar, then ground at a speed of 800 r / min for 2 hours, taken out, air-dried and transferred to a crucible;

[0037] (3) Put the crucible in the box furnace, in H 2 with N 2 According to volume ratio V(H 2 ):V(N 2 ) = 4:96 in a weakly reducing atmosphere, calcined at 1200 ° C for 3 hours to obtain blue-green long-lasting luminescent powder;

[0038] (4) Mix the blue-green long-lasting luminescent powder with its dosage of 100 wt% boric acid, 10 mol% zirconium hydrogen phosphate and 1 wt% water, put it in a closed container for aging for 1 hour, and then pass it under isostatic pressure at 1.0 MPa. compression molding;

[0039] (5) Place the compacted green bod...

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Abstract

The invention discloses blue-green energy accumulation type glow stones and a preparation method thereof. The blue-green energy accumulation type glow stones are prepared by taking blue-green long afterglow luminescent powder xMnO.(1-0.5x)ZrO2.SiO2 (x is 0.003 to 0.15), boric acid and zirconium hydrogen phosphate as raw materials, mixing the raw materials and pressing and molding, and then calcining at high temperature. The preparation method of the glow stones is simple and the cost is low; after the obtained blue-green glow stones are irradiated for 15 minutes, blue-green light can be observed in the dark and the luminescent time reaches 10 to 13 hours; the blue-green energy accumulation type glow stones have high rigidity and are tested through a jade hardness tester to find out that the Moh's hardness of the glow stones is 6.2 to 7.0 Mohs; after the glow stones are polished and ground, the surfaces are translucent, so that the glow stones have very good ornamental value.

Description

technical field [0001] The invention belongs to the technical field of inorganic material preparation, and in particular relates to a novel blue-green energy storage type luminescent stone and a preparation method thereof. Background technique [0002] Luminous stone, also known as night pearl, can continue to glow in the dark after being excited by light. Because natural luminous pearls are very rare and expensive, it is difficult for ordinary people to own them. In addition, natural luminous pearls generally contain radioactive elements, which affect human health. Therefore, artificially synthesized luminous pearls that are non-toxic, harmless, have a long luminescence time, and have ornamental and collection values ​​have good commercial application prospects. [0003] Long afterglow luminescent material is a kind of luminescent powder with "night pearl" phenomenon. By processing the long afterglow powder into a block-shaped stone with high hardness, and then cutting, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/48C04B35/622C04B35/626C04B35/64C09K11/67
CPCC04B35/48C04B35/622C04B35/62675C04B35/6268C04B35/64C04B2235/3262C04B2235/3409C04B2235/3418C04B2235/447C04B2235/656C04B2235/658C04B2235/6582C09K11/676
Inventor 吴梅华郑子山陈雯陈国良
Owner MINNAN NORMAL UNIV
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