CN108218237A - A kind of preparation method of devitrified glass - Google Patents
A kind of preparation method of devitrified glass Download PDFInfo
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- CN108218237A CN108218237A CN201810081806.6A CN201810081806A CN108218237A CN 108218237 A CN108218237 A CN 108218237A CN 201810081806 A CN201810081806 A CN 201810081806A CN 108218237 A CN108218237 A CN 108218237A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0018—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents
- C03C10/0027—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents containing SiO2, Al2O3, Li2O as main constituents
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
The present invention provides a kind of preparation method of devitrified glass, raw material includes following component according to weight percent：Li216 20 parts by weight of O, Al2O318 22 parts by weight, SiO250 60 parts by weight, B2O338 parts by weight, 26 parts by weight of MgO, TiO226 parts by weight, Ce2O31 parts by weight, 1 parts by weight of 1 parts by weight of BaF2 and AlF3；Wherein TiO2As Nucleating Agent；The preparation method includes the following steps：1）Glass raw material is fitted into crucible and is ground uniformly, oxygen, high temperature melting are passed through in Muffle furnace, heat preservation treats that glass metal melting is uniform, and taking-up is cast in stainless-steel sheet, pours into glass blocks；2）Glass blocks is put into annealing furnace and is kept the temperature, is made annealing treatment, carries out rib and crystallization at a certain temperature.The present invention improves the chemical stability of glass, good in optical property, high refractive index by rationally adjusting glass formula.
Description
Technical field
The present invention relates to a kind of preparation methods of devitrified glass, belong to optical element field.
Background technology
Devitrified glass refers to add in certain nucleation substances in glass, passes through the hands such as heat treatment, light irradiation or chemical treatment
Section, is equably precipitated a large amount of tiny crystals in glass, forms the multiphase complex of fine and close crystallite phase and glass phase.Pass through
Number of species, size of crystallite etc. is controlled, transparent glass-ceramics can be obtained, the devitrified glass that the coefficient of expansion is zero, table
Surface strengthening devitrified glass, different color or machinable glass ceramics.
Existing devitrified glass, stability and optical property are not good enough, it is impossible to meet the needs of users.
Invention content
The purpose of the present invention is to overcome the deficiencies of the prior art, provides a kind of preparation method of devitrified glass.
The preparation method of the devitrified glass of the present invention, raw material include following component according to weight percent：Li2O 16-20
Parts by weight, Al2O318-22 parts by weight, SiO250-60 parts by weight, B2O33-8 parts by weight, MgO 2-6 parts by weight, TiO2 2-
6 parts by weight, Ce2O31 parts by weight, 1 parts by weight of 1 parts by weight of BaF2 and AlF3；Wherein TiO2As Nucleating Agent；
The preparation method includes the following steps：
1）Glass raw material is fitted into crucible and is ground uniformly, oxygen, high temperature melting are passed through in Muffle furnace, glass metal is treated in heat preservation
Melting is uniform, and taking-up is cast in stainless-steel sheet, pours into glass blocks；
2）Glass blocks is put into annealing furnace and is kept the temperature, is made annealing treatment, carries out rib and crystallization at a certain temperature.
Preferably,
In the preparation method of the devitrified glass, raw material includes following component according to weight percent：Li218 parts by weight of O,
Al2O320 parts by weight, SiO255 parts by weight, B2O35 parts by weight, 4 parts by weight of MgO, TiO24 parts by weight, Ce2O31 weight
Part, 1 parts by weight of 1 parts by weight of BaF2 and AlF3.
The present invention improves the chemical stability of glass, good in optical property, refractive index by rationally adjusting glass formula
It is high.
Specific embodiment
Embodiment 1
The preparation method of the devitrified glass of the present invention, raw material include following component according to weight percent：Li216 parts by weight of O,
Al2O318 parts by weight, SiO250 parts by weight, B2O33 parts by weight, 2 parts by weight of MgO, TiO24 parts by weight, Ce2O31 weight
Part, 1 parts by weight of 1 parts by weight of BaF2 and AlF3；Wherein TiO2As Nucleating Agent；
The preparation method includes the following steps：
1）Glass raw material is fitted into crucible and is ground uniformly, oxygen, high temperature melting are passed through in Muffle furnace, glass metal is treated in heat preservation
Melting is uniform, and taking-up is cast in stainless-steel sheet, pours into glass blocks；
2）Glass blocks is put into annealing furnace and is kept the temperature, is made annealing treatment, carries out rib and crystallization at a certain temperature.
Embodiment 2
The preparation method of the devitrified glass of the present invention, raw material include following component according to weight percent：Li220 parts by weight of O,
Al2O322 parts by weight, SiO260 parts by weight, B2O38 parts by weight, 6 parts by weight of MgO, TiO22 parts by weight, Ce2O31 weight
Part, 1 parts by weight of 1 parts by weight of BaF2 and AlF3；Wherein TiO2As Nucleating Agent；
The preparation method is the same as that of Example 1 for embodiment 2.
Embodiment 3
The preparation method of the devitrified glass of the present invention, raw material include following component according to weight percent：Li218 parts by weight of O,
Al2O320 parts by weight, SiO255 parts by weight, B2O35 parts by weight, 4 parts by weight of MgO, TiO26 parts by weight, Ce2O31 weight
Part, 1 parts by weight of 1 parts by weight of BaF2 and AlF3；Wherein TiO2As Nucleating Agent；
The preparation method is the same as that of Example 1 for embodiment 3.
Claims (2)
1. a kind of preparation method of devitrified glass, which is characterized in that raw material includes following component according to weight percent：Li2O
16-20 parts by weight, Al2O318-22 parts by weight, SiO250-60 parts by weight, B2O33-8 parts by weight, MgO 2-6 parts by weight,
TiO22-6 parts by weight, Ce2O31 parts by weight, 1 parts by weight of 1 parts by weight of BaF2 and AlF3；Wherein TiO2As Nucleating Agent；
The preparation method includes the following steps：
1）Glass raw material is fitted into crucible and is ground uniformly, oxygen, high temperature melting are passed through in Muffle furnace, glass metal is treated in heat preservation
Melting is uniform, and taking-up is cast in stainless-steel sheet, pours into glass blocks；
2）Glass blocks is put into annealing furnace and is kept the temperature, is made annealing treatment, carries out rib and crystallization at a certain temperature.
2. the preparation method of devitrified glass according to claim 1, which is characterized in that raw material includes according to weight percent
Following component：Li218 parts by weight of O, Al2O320 parts by weight, SiO255 parts by weight, B2O35 parts by weight, 4 parts by weight of MgO,
TiO24 parts by weight, Ce2O31 parts by weight, 1 parts by weight of 1 parts by weight of BaF2 and AlF3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810081806.6A CN108218237A (en) | 2018-01-29 | 2018-01-29 | A kind of preparation method of devitrified glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810081806.6A CN108218237A (en) | 2018-01-29 | 2018-01-29 | A kind of preparation method of devitrified glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108218237A true CN108218237A (en) | 2018-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810081806.6A Pending CN108218237A (en) | 2018-01-29 | 2018-01-29 | A kind of preparation method of devitrified glass |
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| CN (1) | CN108218237A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01252548A (en) * | 1987-12-28 | 1989-10-09 | Asahi Glass Co Ltd | Glass ceramic composition |
| CN102503141A (en) * | 2011-10-11 | 2012-06-20 | 蒋达光 | Glass-ceramics and preparation method thereof |
| CN102815867A (en) * | 2012-09-05 | 2012-12-12 | 北京盛康宁科技开发有限公司 | Color glass-ceramic plate and preparation method thereof |
| CN102992625A (en) * | 2012-11-28 | 2013-03-27 | 江苏宜达光电科技有限公司 | Preparation method of crystallite glass with low expansion rate |
| CN103476723A (en) * | 2011-04-20 | 2013-12-25 | 斯特劳曼控股公司 | Process for preparing a glass-ceramic body |
| CN105948516A (en) * | 2016-06-03 | 2016-09-21 | 秦皇岛星箭特种玻璃有限公司 | Anti-radiation lithium-aluminum-silicate system low-expansion window glass and machining process thereof |
| CN107001120A (en) * | 2014-10-08 | 2017-08-01 | 康宁股份有限公司 | With petalite and the high-strength glass of lithium metasilicate structure ceramics |
-
2018
- 2018-01-29 CN CN201810081806.6A patent/CN108218237A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01252548A (en) * | 1987-12-28 | 1989-10-09 | Asahi Glass Co Ltd | Glass ceramic composition |
| CN103476723A (en) * | 2011-04-20 | 2013-12-25 | 斯特劳曼控股公司 | Process for preparing a glass-ceramic body |
| CN102503141A (en) * | 2011-10-11 | 2012-06-20 | 蒋达光 | Glass-ceramics and preparation method thereof |
| CN102815867A (en) * | 2012-09-05 | 2012-12-12 | 北京盛康宁科技开发有限公司 | Color glass-ceramic plate and preparation method thereof |
| CN102992625A (en) * | 2012-11-28 | 2013-03-27 | 江苏宜达光电科技有限公司 | Preparation method of crystallite glass with low expansion rate |
| CN107001120A (en) * | 2014-10-08 | 2017-08-01 | 康宁股份有限公司 | With petalite and the high-strength glass of lithium metasilicate structure ceramics |
| CN105948516A (en) * | 2016-06-03 | 2016-09-21 | 秦皇岛星箭特种玻璃有限公司 | Anti-radiation lithium-aluminum-silicate system low-expansion window glass and machining process thereof |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20180629 |