CN105967505A - Formula of quartz glass plates and preparation technology thereof - Google Patents
Formula of quartz glass plates and preparation technology thereof Download PDFInfo
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- CN105967505A CN105967505A CN201610298505.XA CN201610298505A CN105967505A CN 105967505 A CN105967505 A CN 105967505A CN 201610298505 A CN201610298505 A CN 201610298505A CN 105967505 A CN105967505 A CN 105967505A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B20/00—Processes specially adapted for the production of quartz or fused silica articles, not otherwise provided for
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/02—Other methods of shaping glass by casting molten glass, e.g. injection moulding
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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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
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- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
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Abstract
The invention discloses a formula of quartz glass plates. The formula comprises the following raw materials in parts by weight: 75-85 parts of a glass network forming agent, 3-4 parts of a glass network regulator, 2.5-3.5 parts of Li2O, 2.5-3.5 parts of Al2O3, 5.5-6.5 parts of CaO, 1-2 parts of TiO2, 1-2 parts of MgO, 2-10 parts of B2O3, 5-20 parts of ZrO2, 0.5-2 parts of a clarificant, 20-30 parts of borax, 3-5 parts of a sodium silicate waterproof agent, 1-3 parts of sodium hexametaphosphate, 5-7 parts of quartz sand, and 5-15 parts of Al2O3. The preparation method comprises the following steps: raw materials are weighed according to the formula; raw materials are porphyrized in a mortar and mixed uniformly and carefully, the raw materials are filled into a tower kettle and sent into a high temperature furnace which is preheated to 30-40 DEG C for melting; the furnace is kept at 1100-1200 DEG C for 3-4 hours, and the raw materials are poured into different shapes; after annealing, cutting and polishing are carried out in order to obtain glass plates, after samples are demoulded, the samples are annealed in an annealing furnace for 1-2 hours at 50-60 DEG C, and the samples are naturally cooled to a room temperature in the furnace. The formula does not contain industrial products, and employs pure chemical reagents for carrying out the high temperature preparation, so that bad influences of industrial products on viscosity, resistivity and chemical stability are solved.
Description
Technical field
The present invention relates to glass plate preparing technical field, be specifically related to a kind of quartz glass plate prescription and preparation technology.
Background technology
The special industrial technical glass of silicon dioxide one-component.This glass hard (HRC65Yi Shang) greatly up to Mohs seven grades, have high temperature resistant,
The coefficient of expansion is low, resistance to heat shocks, chemical stability and electrical insulation capability good, and can pass through ultraviolet and infrared ray.Dehydrogenation fluorine
Outside phosphoric acid sour, hot, general acid there is preferable acid resistance.It is divided into transparent and opaque two big classes by transparency.It is divided into by purity
High-purity, common and doping three classes.With crystal, Silicon stone, silicide is raw material, deposits through high temperature melting or chemical gaseous phase and forms.
Melting method has electric smelting method, gas smelting etc..
Quartz glass can pass through ultraviolet, visible ray and infrared ray, in production process, physical dimension is more stable, hardness strong,
Thermal coefficient of expansion is little, and have high temperature resistant, corrosion-resistant, radiation hardness, through high, refractive index is low, has the highest optics equal
The features such as even property, are widely used in the fields such as armarium, electric light source, electronics, optical-fibre communications, instrument chemical industry, space flight and aviation,
Quartz glass has become as the modern indispensable important materials of the industry such as civilian industry, national defense industry, the heat of pure quartz glass
The coefficient of expansion is little, and impurity content is low, and has high temperature resistant, intensity high, the huge market demand, the most more and more widely
On application semi-conductor industry, Novel electric light source, optical communication, aerospace industry, chemical industry and other products for civilian use.
Quartz glass is the amorphous material of silicon dioxide single component, and its microstructure is a kind of by silica tetrahedral structure
The flat network of body construction unit composition, owing to Si-O chemistry bond energy is very big, structure is very tight, so quartz glass has uniqueness
Performance, the especially optical property of transparency silica glass is the most excellent, and the continuous wavelength scope in ultraviolet to infra-red radiation has excellent
Good transmittance.
In general raw materials for production, Na concentration increases and refuse glass melting thing resistivity is proposed higher requirement, gives and develops glass
Glass strip carrys out the biggest difficulty.
Summary of the invention
For problem above, the invention provides a kind of quartz glass plate prescription and preparation technology, do not use industrial product, and
It is to use pure chemistry reagent to carry out high temperature to prepare, solves the industrial product adverse effect to viscosity, resistivity and chemical stability,
Introduce Al2O3、CaO、TiO2And MgO, it is therefore an objective to provide more for adjusting process performance and properties of product and select, produce
Technique is simple, and practical, the properties of product of preparation are excellent pure, can effectively solve the problem in background technology.
To achieve these goals, the technical solution used in the present invention is as follows: a kind of quartz glass plate prescription, according to weight portion
Number is made up of following raw material:
Glass network forming agent 75-85 part, glass network regulator 3-4 part, Li2O2.5-3.5 part, Al2O32.5-3.5 part, CaO5.5-6.5
Part, TiO21-2 part, MgO1-2 part, B2O32-10 part, ZrO25-20 part, clarifier 0.5-2 part, Borax 20-30 part,
Sodium silicate waterproofer 3-5 part, sodium hexameta phosphate 1-3 part, quartz sand 5-7 part, Al2O35-15 part.
As a kind of preferably technical scheme of the present invention, described glass network forming agent is by SiO2And B2O3Composition, wherein SiO2
With B2O3Ratio be 3:1.
As a kind of preferably technical scheme of the present invention, described glass network regulator is Na2O。
As a kind of preferably technical scheme of the present invention, described clarifier is SnO2、CeO2Mixture.
Additionally the present invention have also been devised the preparation technology of a kind of quartz glass plate, comprises the steps:
(1) required raw material is weighed by formula；
(2) raw material is loaded in mortar tower misfortune after mixing finely ground, careful, found in sending into the high temperature furnace being preheating to 30 DEG C-40 DEG C；
(3), at 1100 DEG C-1200 DEG C after constant temperature 3-4h, difformity is poured into；
(4) after the sample demoulding at 50 DEG C-60 DEG C in annealing furnace annealing 1-2h, in stove, naturally cool to room temperature；
(5) after formed glass cooling, putting into Muffle furnace and anneal with the cooling rate of 1-3 DEG C/min, annealing temperature is 300-800 DEG C；
(6) carry out cutting after annealing, polish and obtain glass plate.
As a kind of preferably technical scheme of the present invention, described high temperature furnace uses high temperature silicon carbon bar furnace.
Beneficial effects of the present invention:
The present invention does not use industrial product, but uses pure chemistry reagent to carry out high temperature and prepare, and solves industrial product to viscosity, resistance
Rate and the adverse effect of chemical stability, introduce Al2O3、CaO、TiO2And MgO, it is therefore an objective to for adjusting process performance and product
Moral character is provided that more selection, and production technology is simple, and practical, the properties of product of preparation are excellent pure.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is entered
Row further describes.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to limit
Determine the present invention.
Embodiment 1
A kind of quartz glass plate prescription, is made up of following raw material according to weight fraction:
Glass network forming agent 75 parts, glass network regulator 3 parts, Li2O2.5 part, Al2O32.5 parts, CaO5.5 part, TiO21
Part, MgO1 part, B2O32 parts, ZrO25 parts, clarifier 0.5 part, Borax 20 parts, sodium silicate waterproofer 3 parts, six inclined phosphorus
Acid 1 part of sodium, quartz sand 5 parts, Al2O35 parts.
Described glass network forming agent is by SiO2And B2O3Composition, wherein SiO2With B2O3Ratio be 3:1.
Described glass network regulator is Na2O。
Described clarifier is SnO2、CeO2Mixture.
Its preparation technology comprises the steps:
(1) required raw material is weighed by formula；
(2) raw material is loaded in mortar tower misfortune after mixing finely ground, careful, found in sending into the high temperature furnace being preheating to 30 DEG C；
(3), at 1100 DEG C after constant temperature 3h, difformity is poured into；
(4) after the sample demoulding at 50 DEG C in annealing furnace annealing 1h, in stove, naturally cool to room temperature；
(5) after formed glass cooling, putting into Muffle furnace and anneal with the cooling rate of 1 DEG C/min, annealing temperature is 300 DEG C；
(6) carry out cutting after annealing, polish and obtain glass plate.
Described high temperature furnace uses high temperature silicon carbon bar furnace.
Embodiment 2
A kind of quartz glass plate prescription, is made up of following raw material according to weight fraction:
Glass network forming agent 80 parts, glass network regulator 3.5 parts, Li2O3 part, Al2O33 parts, CaO6 part, TiO21.5 parts,
MgO1.5 part, B2O35 parts, ZrO212 parts, clarifier 0.8 part, Borax 25 parts, sodium silicate waterproofer 4 parts, six inclined phosphorus
Acid 2 parts of sodium, quartz sand 6 parts, Al2O38 parts.
Described glass network forming agent is by SiO2And B2O3Composition, wherein SiO2With B2O3Ratio be 3:1.
Described glass network regulator is Na2O。
Described clarifier is SnO2、CeO2Mixture.
Its preparation technology comprises the steps:
(1) required raw material is weighed by formula；
(2) raw material is loaded in mortar tower misfortune after mixing finely ground, careful, found in sending into the high temperature furnace being preheating to 35 DEG C；
(3), at 1150 DEG C after constant temperature 3.5h, difformity is poured into；
(4) after the sample demoulding at 55 DEG C in annealing furnace annealing 1.5h, in stove, naturally cool to room temperature；
(5) after formed glass cooling, putting into Muffle furnace and anneal with the cooling rate of 2 DEG C/min, annealing temperature is 500 DEG C；
(6) carry out cutting after annealing, polish and obtain glass plate.
Described high temperature furnace uses high temperature silicon carbon bar furnace.
Embodiment 3
A kind of quartz glass plate prescription, is made up of following raw material according to weight fraction:
Glass network forming agent 85 parts, glass network regulator 4 parts, Li2O3.5 part, Al2O33.5 parts, CaO6.5 part, TiO22
Part, MgO2 part, B2O310 parts, ZrO220 parts, clarifier 2 parts, Borax 30 parts, sodium silicate waterproofer 5 parts, six inclined
Sodium phosphate 3 parts, quartz sand 7 parts, Al2O3515 parts.
Described glass network forming agent is by SiO2And B2O3Composition, wherein SiO2With B2O3Ratio be 3:1.
Described glass network regulator is Na2O。
Described clarifier is SnO2、CeO2Mixture.
Its preparation technology comprises the steps:
(1) required raw material is weighed by formula；
(2) raw material is loaded in mortar tower misfortune after mixing finely ground, careful, found in sending into the high temperature furnace being preheating to 40 DEG C；
(3), at 1200 DEG C after constant temperature 4h, difformity is poured into；
(4) after the sample demoulding at 60 DEG C in annealing furnace annealing 2h, in stove, naturally cool to room temperature；
(5) after formed glass cooling, putting into Muffle furnace and anneal with the cooling rate of 3 DEG C/min, annealing temperature is 800 DEG C；
(6) carry out cutting after annealing, polish and obtain glass plate.
Described high temperature furnace uses high temperature silicon carbon bar furnace.
The present invention is as follows to the test of resistivity, viscosity and the chemical stability of sample:
(1) resistivity and the method for testing of viscosity: claim 100g glass sample to be loaded in special corundum crucible, with high-temperature viscosimeter with molten
Melt glass conductivity measuring instrument and measure viscosity and the resistivity of 1200-950 DEG C respectively, test data such as following table:
| Project/temperature | 950 | 1000 | 1050 | 1100 | 1150 | 1200 |
| Resistivity | 18 | 14 | 8 | 6 | 5 | 4 |
| Viscosity/Pa.S | 1.2 | 3.4 | 5.6 | 7.6 | 8.4 | 9.6 |
(2) method of testing of chemical stability is: testing with MCC-1 Static leaching test method(s), test condition is: 90 DEG C, deionized water,
Extraction time 28d, normalized is always weightless (NL).
NL=8.39 ± 0.58g/m2。
Based on above-mentioned, it is an advantage of the current invention that the present invention does not use industrial product, but use pure chemistry reagent to carry out height
Temperature preparation, solves the industrial product adverse effect to viscosity, resistivity and chemical stability, introduces Al2O3、CaO、TiO2
And MgO, it is therefore an objective to providing more for adjusting process performance and properties of product and select, production technology is simple, practical, system
Standby properties of product are excellent pure.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Any amendment, equivalent and the improvement etc. made within principle, should be included within the scope of the present invention.
Claims (6)
1. a quartz glass plate prescription, it is characterised in that be made up of following raw material according to parts by weight:
Glass network forming agent 75-85 part, glass network regulator 3-4 part, Li2O2.5-3.5 part, Al2O32.5-3.5 part, CaO5.5-6.5
Part, TiO21-2 part, MgO1-2 part, B2O32-10 part, ZrO25-20 part, clarifier 0.5-2 part, Borax 20-30 part,
Sodium silicate waterproofer 3-5 part, sodium hexameta phosphate 1-3 part, quartz sand 5-7 part, Al2O35-15 part.
2. according to the quartz glass plate prescription described in any one of claim 1 to 2, it is characterised in that described glass network forming agent by
SiO2And B2O3Composition, wherein SiO2With B2O3Ratio be 3:1.
3. according to the quartz glass plate prescription described in any one of claim 1 to 2, it is characterised in that described glass network regulator is
Na2O。
4. according to the quartz glass plate prescription described in any one of claim 1 to 2, it is characterised in that described clarifier is SnO2、
CeO2Mixture.
5. the preparation technology of a quartz glass plate, it is characterised in that comprise the steps:
(1) required raw material is weighed by formula；
(2) raw material is loaded in mortar tower misfortune after mixing finely ground, careful, found in sending into the high temperature furnace being preheating to 30 DEG C-40 DEG C；
(3), at 1100 DEG C-1200 DEG C after constant temperature 3-4h, difformity is poured into；
(4) after the sample demoulding at 50 DEG C-60 DEG C in annealing furnace annealing 1-2h, in stove, naturally cool to room temperature；
(5) after formed glass cooling, putting into Muffle furnace and anneal with the cooling rate of 1-3 DEG C/min, annealing temperature is 300-800 DEG C；
(6) carry out cutting after annealing, polish and obtain glass plate.
The preparation technology of quartz glass plate the most according to claim 5, it is characterised in that described high temperature furnace uses high temperature silicon carbon-point electricity
Stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298505.XA CN105967505A (en) | 2016-05-06 | 2016-05-06 | Formula of quartz glass plates and preparation technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610298505.XA CN105967505A (en) | 2016-05-06 | 2016-05-06 | Formula of quartz glass plates and preparation technology thereof |
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| CN105967505A true CN105967505A (en) | 2016-09-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321405A (en) * | 2021-05-12 | 2021-08-31 | 陈富伦 | High-purity opaque quartz glass, manufacturing method and application thereof |
| CN113929301A (en) * | 2021-11-08 | 2022-01-14 | 朱卫星 | Fireproof pressure-resistant glass and preparation method thereof |
| CN115180824A (en) * | 2022-07-05 | 2022-10-14 | 河北光兴半导体技术有限公司 | Fireproof glass composition, fireproof glass and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101146749A (en) * | 2005-04-01 | 2008-03-19 | 松下电器产业株式会社 | Glass composition for lamp, lamp, backlight unit and method for producing glass composition for lamp |
| JP2011111364A (en) * | 2009-11-27 | 2011-06-09 | Ohara Inc | Glass for anode bonding |
| CN102260043A (en) * | 2010-05-18 | 2011-11-30 | 株式会社小原 | Optical glass, optical element and preform |
-
2016
- 2016-05-06 CN CN201610298505.XA patent/CN105967505A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101146749A (en) * | 2005-04-01 | 2008-03-19 | 松下电器产业株式会社 | Glass composition for lamp, lamp, backlight unit and method for producing glass composition for lamp |
| JP2011111364A (en) * | 2009-11-27 | 2011-06-09 | Ohara Inc | Glass for anode bonding |
| CN102260043A (en) * | 2010-05-18 | 2011-11-30 | 株式会社小原 | Optical glass, optical element and preform |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321405A (en) * | 2021-05-12 | 2021-08-31 | 陈富伦 | High-purity opaque quartz glass, manufacturing method and application thereof |
| CN113929301A (en) * | 2021-11-08 | 2022-01-14 | 朱卫星 | Fireproof pressure-resistant glass and preparation method thereof |
| CN115180824A (en) * | 2022-07-05 | 2022-10-14 | 河北光兴半导体技术有限公司 | Fireproof glass composition, fireproof glass and preparation method thereof |
| CN115180824B (en) * | 2022-07-05 | 2024-01-16 | 河北光兴半导体技术有限公司 | Fireproof glass composition, fireproof glass and preparation method thereof |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180413 Address after: 523981 Silver Road, West Village, Shatin Town, Dongguan, Guangdong Applicant after: Dongguan yintaifeng Optical Technology Co., Ltd. Address before: 523982 Port Road, West Village, Sha Tin Town, Dongguan, Guangdong Applicant before: Dongguan Yintefeng Optical Glass Technology Co., Ltd. |
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Application publication date: 20160928 |
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