CN106565101A - Vacuum glass supporting material, preparation method and vacuum glass - Google Patents
Vacuum glass supporting material, preparation method and vacuum glass Download PDFInfo
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- CN106565101A CN106565101A CN201610980720.8A CN201610980720A CN106565101A CN 106565101 A CN106565101 A CN 106565101A CN 201610980720 A CN201610980720 A CN 201610980720A CN 106565101 A CN106565101 A CN 106565101A
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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
- C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
- C03C14/004—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of particles or flakes
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/20—Uniting glass pieces by fusing without substantial reshaping
- C03B23/24—Making hollow glass sheets or bricks
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/012—Tempering or quenching glass products by heat treatment, e.g. for crystallisation; Heat treatment of glass products before tempering by cooling
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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
- C03C12/00—Powdered glass; Bead compositions
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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
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/06—Joining glass to glass by processes other than fusing
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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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
- C03C3/066—Glass compositions containing silica with less than 40% silica by weight containing boron containing zinc
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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
- C03C2214/00—Nature of the non-vitreous component
- C03C2214/04—Particles; Flakes
-
- 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
- C03C2214/00—Nature of the non-vitreous component
- C03C2214/30—Methods of making the composites
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- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geochemistry & Mineralogy (AREA)
- Ceramic Engineering (AREA)
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- Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
The invention discloses a vacuum glass supporting material, a preparation method and vacuum glass. The vacuum glass supporting material comprises, by weight, 100 parts of basic components which are unleaded medium-and-low temperature seal glass powder and 0-20 parts of fireproof materials. The vacuum glass supporting material can be made into a sizing agent, and by means of the glue applying technology, silk-screening printing, 3D printing and other processes, the support can be prefabricated on a glass substrate and is not prone to falling off or moving, the efficiency is high, and achievement is easy. The flowing softening temperature ranges from 520 DEG C to 700 DEG C, sintering and hardening can be completed synchronously in the tempering process, it is not needed to add an extra sinter molding process, and the process is simple and facilitates large-scale production; and the expansion coefficient and the glass substrate are good in matching, and partial microcracks generated by adhering stress can be avoided.
Description
Technical field
The present invention relates to a kind of vacuum glass production technical field, more particularly to a kind of vacuum glass backing material, system
Preparation Method and vacuum glass.
Background technology
In recent years, the demand driving development of vacuum glass production technology of building heat preserving energy-conservation, sound insulation.Supporter is
Critical material in vacuum glass manufacture, traditional supporter is usually metal material, there is ring-type, spherical, C-shaped ring etc.,
Have using glass, the column of ceramic material, square block supporter, mode is laid using single machinery, be arranged at a certain distance
In glass substrate.Because supporter volume is small, work efficiency is laid extremely low.Vacuum glass of the prior art by magnetic-adsorption
Intermediate supporter distributing system, but it is only applicable to laying for metal material supporter.
Additionally, supporter small volume, light weight, close the lift to move during piece and before evacuation, support is easily caused
Thing is shifted, and this is a major reason for causing vacuum glass low production efficiency.Prior art mainly has two kinds：(1) print is first applied
Organic glue point, after be fixed on supporter is unrestrained in glue point；(2) prepare in metal support surface-coated glass for bonding powder and support
Thing.Both lay, and method concordance is poor, easily occurs putting supporter more, stacks, leaks the situation put, tiltedly put, stand up, and,
If organic glue point is decomposed not thoroughly, remain in vacuum cavity, easily affect the follow-up evacuation operation of vacuum glass product.
The content of the invention
Present invention is primarily targeted at, there is provided a kind of new vacuum glass backing material, preparation method and vacuum glass
Glass, technical problem to be solved is that to overcome supporter in vacuum glass manufacture process to lay efficiency low, it is difficult to fixed problem,
Mass production is achieved, thus more suitable for practicality.
The object of the invention to solve the technical problems employs the following technical solutions to realize.According to present invention proposition
A kind of vacuum glass backing material, its components by weight percent is：
Basic components：100 parts, be unleaded middle low temperature sealing glass powder；
Refractory material：0-20 parts.
The object of the invention to solve the technical problems can also be applied to the following technical measures to achieve further.
Preferably, aforesaid vacuum glass backing material, wherein described basic components include (percentage by weight)：
Bi2O3：30.0-80.0%；
ZnO：10.0-30.0%；
B2O3：10.0-30.0%；
SiO2：0-35.0%；
Al2O3：0-15.0%；
CaO：0-5.0%；
MgO：0-3.0%；
Li2O：0-2.0%；
Na2O：0-2.0%；
K2O：0-2.0%；
CuO：0-2.0%；
Cr2O3：0-2.0%；
Co2O3：0-2.0%.
Preferably, described Bi2O3Content can with several contents such as 30%, 40%, 45%, 52% and 80% it
Between scope be combined selection, for example select be 30-40%, 30-52%, 30-45%, 40-80%, 52-80%.
Preferably, the content of described ZnO can be between several contents such as 10%, 15%, 20%, 25% and 30%
Scope be combined selection, for example select be 10-15%, 10-20%, 10-25%, 15-30%, 20-30%.
Preferably, described B2O3Content can be between several contents such as 10%, 15%, 20%, 25% and 30%
Scope be combined selection, for example select be 10-15%, 10-20%, 10-25%, 15-30%, 20-30%.
Preferably, described SiO2Content can be between several contents such as 0%, 10%, 20%, 28% and 35%
Scope be combined selection, for example select be 0-10%, 0-20%, 0-28%, 10-35%, 20-35%.
Preferably, described Al2O3Content can be with the scope between several contents such as 0%, 5%, 10% and 15%
Selection is combined, for example, selects to be 0-5%, 0-10%, 5-10%, 5-15%, 10-15%.
Preferably, the content of described CaO can be with the model between several contents such as 0%, 1%, 2%, 3% and 5%
Enclose and be combined selection, for example, select to be 0-1%, 0-2%, 0-3%, 2-5%, 3-5%.
Preferably, the content of described MgO can be entered with the scope between several contents such as 0%, 1%, 2% and 3%
Row combination selection, for example, select to be 0-1%, 0-2%, 1-2%, 1-3%, 2-3%.
Preferably, described Li2The content of O can be between several contents such as 0%, 0.5%, 1%, 1.5% and 2%
Scope be combined selection, for example select be 0-0.5%, 0-1%, 0-1.5%, 0.5-1.5%, 1-2%.
Preferably, described Na2The content of O can be between several contents such as 0%, 0.5%, 1%, 1.5% and 2%
Scope be combined selection, for example select be 0-0.5%, 0-1%, 0-1.5%, 0.5-1.5%, 1-2%.
Preferably, described K2The content of O can be between several contents such as 0%, 0.5%, 1%, 1.5% and 2%
Scope be combined selection, for example select be 0-0.5%, 0-1%, 0-1.5%, 0.5-1.5%, 1-2%.
Preferably, the content of described CuO can be between several contents such as 0%, 0.5%, 1%, 1.5% and 2%
Scope be combined selection, for example select be 0-0.5%, 0-1%, 0-1.5%, 0.5-1.5%, 1-2%.
Preferably, described Cr2O3Content can be between several contents such as 0%, 0.5%, 1%, 1.5% and 2%
Scope be combined selection, for example select be 0-0.5%, 0-1%, 0-1.5%, 0.5-1.5%, 1-2%.
Preferably, described Co2O3Content can be between several contents such as 0%, 0.5%, 1%, 1.5% and 2%
Scope be combined selection, for example select be 0-0.5%, 0-1%, 0-1.5%, 0.5-1.5%, 1-2%.
Preferably, aforesaid vacuum glass backing material, wherein the particle diameter of described fire resistant infilling is less than or equal to 25 μm, be
At least one in cordierite, zircon and beta-eucryptite.
Preferably, aforesaid vacuum glass backing material, wherein the coefficient of expansion of described vacuum glass backing material is
(70-95)×10-7/ DEG C, flow softening temperature is 520-700 DEG C.
The object of the invention to solve the technical problems is also realized using following technical scheme.According to present invention proposition
A kind of vacuum glass backing material preparation method, it includes：
1) basic components are mixed, is melted, glass of laminating, cooling, grinding is sieved, and obtains superfine glass powder body；
2) by described superfine glass powder body and refractory material by weight 100:0-20 mixes, mix homogeneously, obtains true
Empty glass support material；
Wherein, basic components are unleaded middle low temperature sealing glass powder.
The object of the invention to solve the technical problems can also be applied to the following technical measures to achieve further.
Preferably, the preparation method of aforesaid vacuum glass backing material, wherein described basic components include (weight hundred
Divide ratio)：
Bi2O3：30.0-80.0%；
ZnO：10.0-30.0%；
B2O3：10.0-30.0%；
SiO2：0-35.0%；
Al2O3：0-15.0%；
CaO：0-5.0%；
MgO：0-3.0%；
Li2O：0-2.0%；
Na2O：0-2.0%；
K2O：0-2.0%；
CuO：0-2.0%；
Cr2O3：0-2.0%；
Co2O3：0-2.0%.
Preferably, the preparation method of aforesaid vacuum glass backing material, wherein the particle diameter of described fire resistant infilling is less than
It is at least one in cordierite, zircon and beta-eucryptite equal to 25 μm.
Preferably, the preparation method of aforesaid vacuum glass backing material, wherein the fusion temperature of described basic components
For 950-1250 DEG C, fusing time is 30-60min.
Preferably, the preparation method of aforesaid vacuum glass backing material, wherein the particle diameter of described superfine glass powder body
Less than or equal to 20 μm.
The object of the invention to solve the technical problems is also realized using following technical scheme.According to present invention proposition
A kind of vacuum glass, it has a vacuum glass backing material, and described vacuum glass backing material is aforesaid vacuum glass
Backing material.
By above-mentioned technical proposal, under vacuum glass backing material of the present invention, preparation method and vacuum glass at least have
Row advantage：
(1) vacuum glass backing material of the invention can be made into slurry, by dispensing technology, silk screen printing, 3D printing etc.
Technique, supporter is prefabricated on a glass substrate, efficiency high, it is easy to accomplish；
(2) the flow softening temperature of vacuum glass backing material of the invention is 520-700 DEG C, can be same in toughening process
Step completes sinter-hardened, and without the need for increasing extra sinter molding operation, process is simple is conducive to large-scale production；
(3) the vacuum glass backing material coefficient of expansion of the invention is good with glass substrate matching, be (70-95) ×
10-7/ DEG C, adhesive stress can be avoided to produce local micro-crack.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of description, described in detail as after with presently preferred embodiments of the present invention below.
Specific embodiment
Further to illustrate the present invention to reach technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Preferred embodiment, to according to vacuum glass backing material proposed by the present invention, preparation method and vacuum glass its specific embodiment party
Formula, structure, feature and its effect, describe in detail as after.In the following description, different " embodiment " or " embodiment " refers to
It is not necessarily same embodiment.Additionally, the special characteristic, structure or feature in one or more embodiments can be by any suitable shape
Formula is combined.
A kind of vacuum glass backing material that one embodiment of the present of invention is proposed, its components by weight percent is：
Basic components：100 parts, be unleaded middle low temperature sealing glass powder；
Refractory material：0-20 parts.
Wherein, basic components include (percentage by weight)：
Bi2O3：30.0-80.0%；
ZnO：10.0-30.0%；
B2O3：10.0-30.0%；
SiO2：0-35.0%；
Al2O3：0-15.0%；
CaO：0-5.0%；
MgO：0-3.0%；
Li2O：0-2.0%；
Na2O：0-2.0%；
K2O：0-2.0%；
CuO：0-2.0%；
Cr2O3：0-2.0%；
Co2O3：0-2.0%.
Basic components can improve the hardness and support strength of vacuum glass backing material.
The particle diameter of fire resistant infilling is less than or equal to 25 μm, and median particle diameter is 10 μm；For in cordierite, zircon and beta-eucryptite
At least one.Add refractory material to adjust the coefficient of expansion, make the coefficient of expansion good with glass substrate matching, bonding can be avoided to answer
Power produces local micro-crack.
The flow softening temperature of vacuum glass backing material is 520-700 DEG C.Sintering can be synchronously completed in toughening process
Hardening, and it is easy to crystallize formation microstructure, the coefficient of expansion of vacuum glass backing material is (70-95) × 10-7/℃。
The computing formula of the coefficient of expansion of the vacuum glass backing material of the present invention is：
Wherein, α1With α2Respectively glass dust and the thermal coefficient of expansion of fire resistant infilling；K1With K2Respectively glass dust and fire resisting
The bulk modulus of filler, the Poisson's ratio if each component be likewise, if can use young's modulus substituted volume modulus；ρ1And ρ2Respectively
For glass dust and the density of fire resistant infilling；F1With F2Respectively glass dust and the weight fraction of fire resistant infilling.
A kind of preparation method of vacuum glass backing material that one embodiment of the present of invention is proposed, it includes：
1) basic components are mixed, is melted, glass of laminating, cooling, grinding is sieved, and obtains superfine glass powder body；
2) by described superfine glass powder body and refractory material by weight 100:0-20 mixes, mix homogeneously, obtains true
Empty glass support material；
Wherein, basic components are unleaded middle low temperature sealing glass powder.Basic components include (percentage by weight)：
Bi2O3：30.0-80.0%；
ZnO：10.0-30.0%；
B2O3：10.0-30.0%；
SiO2：0-35.0%；
Al2O3：0-15.0%；
CaO：0-5.0%；
MgO：0-3.0%；
Li2O：0-2.0%；
Na2O：0-2.0%；
K2O：0-2.0%；
CuO：0-2.0%；
Cr2O3：0-2.0%；
Co2O3：0-2.0%.
The particle diameter of fire resistant infilling is less than or equal to 25 μm, is at least one in cordierite, zircon and beta-eucryptite.Basis
The fusion temperature of component is 950-1250 DEG C, and fusing time is 30-60min.The particle diameter of superfine glass powder body is less than or equal to 20 μm.
The vacuum glass backing material is added in organic solvent, mass fraction is 75-90%, is filled with three-roll grinder
Divide mix homogeneously, and with centrifugation defoaming machine de-bubble, make slurry, it is prefabricated by techniques such as silk screen printing, dispensing technology, 3D printings
On the glass surface.Wherein described organic solvent includes solvent, adhesive, plasticizer, suspending agent, lubricant and defoamer etc.,
It decomposes volatilization temperature between 300-350 DEG C.
A kind of vacuum glass that one embodiment of the present of invention is proposed, it has vacuum glass backing material, and described is true
Empty glass support material is aforesaid vacuum glass backing material.
It is according to the square arrangement of spacing 25mm, the strong point is prefabricated on a glass substrate, 100-120 DEG C of baking oven is put into,
Insulation is dried for 5 minutes；Subsequently, horizontal physics annealing furnace is sent into, according to set steel process with stove sinter molding, is carried
The safety glass of supporter.A kind of vacuum glass backing material that one embodiment of the present of invention is proposed, it includes basic components
And refractory material, the basic components composition of embodiment 1-5 is as shown in table 1.
The composition (percentage by weight) of the vacuum glass backing material basic components of table 1
Embodiment 1
A kind of vacuum glass backing material that one embodiment of the present of invention is proposed, its components by weight percent is：
Basic components：100 parts, be unleaded middle low temperature sealing glass powder, and component is as shown in the embodiment 1 of table 1；
Refractory material：9 parts, be cordierite.
A kind of preparation method of vacuum glass backing material that one embodiment of the present of invention is proposed, it includes：
1) constitute by the embodiment 1 of table 1 and mix basic components, weigh various oxide raw materials and/or oxide is corresponding
Compound, is sufficiently mixed uniform；The weight portion of the corresponding compound of the oxide is converted into according to its oxide content
Corresponding parts by weight；Basic components are melted 60 minutes at 950 DEG C, melten glass liquid is obtained, is pressed with water-cooled tablet machine
Laminate glass, cooling, grinding is sieved, and obtains the superfine glass powder body of maximum particle diameter≤20um；
2) cordierite of maximum particle diameter≤25um is chosen as refractory material, by described superfine glass powder body and fire proofed wood
Material is by weight 100:9 mixing, mix homogeneously obtains vacuum glass backing material.
The vacuum glass backing material that the present embodiment is prepared can add organic solvent, and mass fraction is 75-90%, use
Three-roll grinder is sufficiently mixed uniformly, and with centrifugation defoaming machine de-bubble；With gluing process, according to the square row of spacing 25mm
Row, the strong point is prefabricated on a glass substrate, enter 100-120 DEG C of baking oven, it is incubated 5 minutes and dries；Subsequently, horizontal physics steel is sent into
Change stove, according to set steel process with stove sinter molding, obtain the safety glass with supporter.
The coefficient of expansion of the vacuum glass backing material of the present embodiment is (80 ± 5) × 10-7/ DEG C, flow softening temperature is
520-550 DEG C, it is applicable to steel process of the maximum temperature between 650-680 DEG C.
A kind of vacuum glass that one embodiment of the present of invention is proposed, there is the vacuum glass described in embodiment 1 to support for it
Material.
Embodiment 2
A kind of vacuum glass backing material that one embodiment of the present of invention is proposed, its components by weight percent is：
Basic components：100 parts, be unleaded middle low temperature sealing glass powder, and component is as shown in the embodiment 2 of table 1；
Refractory material：5 parts, be zircon.
A kind of preparation method of vacuum glass backing material that one embodiment of the present of invention is proposed, it includes：
1) constitute by the embodiment 2 of table 1 and mix basic components, weigh various oxide raw materials and/or oxide is corresponding
Compound, is sufficiently mixed uniform；The weight portion of the corresponding compound of the oxide is converted into according to its oxide content
Corresponding parts by weight；Basic components are melted 45 minutes at 1050 DEG C, melten glass liquid is obtained, is pressed with water-cooled tablet machine
Laminate glass, cooling, grinding is sieved, and obtains the superfine glass powder body of maximum particle diameter≤20um；
2) zircon of maximum particle diameter≤25um is chosen as refractory material, by described superfine glass powder body and fire proofed wood
Material is by weight 100:5 mixing, mix homogeneously obtains vacuum glass backing material；
The vacuum glass backing material that the present embodiment is prepared can add organic solvent, and mass fraction is 75-90%, use
Three-roll grinder is sufficiently mixed uniformly, and with centrifugation defoaming machine de-bubble；By silk-screen printing technique, according to the pros of spacing 25mm
Shape is arranged, and the strong point is prefabricated on a glass substrate, enters 100-120 DEG C of baking oven, is incubated 5 minutes and is dried；Subsequently, horizontal is sent into
Reason annealing furnace, according to set steel process with stove sinter molding, obtains the safety glass with supporter.
The coefficient of expansion of the vacuum glass backing material of the present embodiment is (80 ± 5) × 10-7/ DEG C, flow softening temperature is
550-580 DEG C, it is applicable to steel process of the maximum temperature between 670-700 DEG C.
A kind of vacuum glass that one embodiment of the present of invention is proposed, there is the vacuum glass described in embodiment 2 to support for it
Material.
Embodiment 3
A kind of vacuum glass backing material that one embodiment of the present of invention is proposed, its components by weight percent is：
Basic components：100 parts, be unleaded middle low temperature sealing glass powder, and component is as shown in the embodiment 3 of table 1；
Refractory material：7 parts, be beta-eucryptite.
A kind of preparation method of vacuum glass backing material that one embodiment of the present of invention is proposed, it includes：
1) constitute by the embodiment 3 of table 1 and mix basic components, weigh various oxide raw materials and/or oxide is corresponding
Compound, is sufficiently mixed uniform；The weight portion of the corresponding compound of the oxide is converted into according to its oxide content
Corresponding parts by weight；Basic components are melted 45 minutes at 1250 DEG C, melten glass liquid is obtained, is pressed with water-cooled tablet machine
Laminate glass, cooling, grinding is sieved, and obtains the superfine glass powder body of maximum particle diameter≤20um；
2) beta-eucryptite of maximum particle diameter≤25um is chosen as refractory material, by described superfine glass powder body and fire resisting
Material is by weight 100:7 mixing, mix homogeneously obtains vacuum glass backing material.
The vacuum glass backing material that the present embodiment is prepared can add organic solvent, and mass fraction is 75-90%, use
Three-roll grinder is sufficiently mixed uniformly, and with centrifugation defoaming machine de-bubble；With silk-screen printing technique, according to the square of spacing 25mm
Arrangement, the strong point is prefabricated on a glass substrate, enter 100-120 DEG C of baking oven, it is incubated 5 minutes and dries；Subsequently, horizontal physics is sent into
Annealing furnace, according to set steel process with stove sinter molding, obtains the safety glass with supporter.
The coefficient of expansion of the vacuum glass backing material of the present embodiment is (75 ± 5) × 10-7/ DEG C, flow softening temperature is
530-580 DEG C, it is applicable to steel process of the maximum temperature between 650-680 DEG C.
A kind of vacuum glass that one embodiment of the present of invention is proposed, there is the vacuum glass described in embodiment 3 to support for it
Material.
Embodiment 4
A kind of vacuum glass backing material that one embodiment of the present of invention is proposed, its components by weight percent is：
Basic components：100 parts, be unleaded middle low temperature sealing glass powder, and component is as shown in the embodiment 4 of table 1.
A kind of preparation method of vacuum glass backing material that one embodiment of the present of invention is proposed, it includes：
1) constitute by the embodiment 4 of table 1 and mix basic components, weigh various oxide raw materials and/or oxide is corresponding
Compound, is sufficiently mixed uniform；The weight portion of the corresponding compound of the oxide is converted into according to its oxide content
Corresponding parts by weight；Basic components are melted 45 minutes at 1250 DEG C, melten glass liquid is obtained, is pressed with water-cooled tablet machine
Laminate glass, cooling, grinding is sieved, and obtains the superfine glass powder body of maximum particle diameter≤20um；
2) the superfine glass powder body described in is vacuum glass backing material.
The vacuum glass backing material that the present embodiment is prepared can add organic solvent, and mass fraction is 75-90%, use
Three-roll grinder is sufficiently mixed uniformly, and with centrifugation defoaming machine de-bubble；With silk-screen printing technique, according to the square of spacing 25mm
Arrangement, the strong point is prefabricated on a glass substrate, enter 100-120 DEG C of baking oven, it is incubated 5 minutes and dries；Subsequently, horizontal physics is sent into
Annealing furnace, according to set steel process with stove sinter molding, obtains the safety glass with supporter.
The coefficient of expansion of the vacuum glass backing material of the present embodiment is (85 ± 5) × 10-7/ DEG C, flow softening temperature is
610-700 DEG C, it is applicable to steel process of the maximum temperature between 680-720 DEG C.
A kind of vacuum glass that one embodiment of the present of invention is proposed, there is the vacuum glass described in embodiment 4 to support for it
Material.
Embodiment 5
A kind of vacuum glass backing material that one embodiment of the present of invention is proposed, its components by weight percent is：
Basic components：100 parts, be unleaded middle low temperature sealing glass powder, and component is as shown in the embodiment 5 of table 1；
Refractory material：7 parts, be zircon and beta-eucryptite.
A kind of preparation method of vacuum glass backing material that one embodiment of the present of invention is proposed, it includes：
1) constitute by the embodiment 5 of table 1 and mix basic components, weigh various oxide raw materials and/or oxide is corresponding
Compound, is sufficiently mixed uniform；The weight portion of the corresponding compound of the oxide is converted into according to its oxide content
Corresponding parts by weight；Basic components are melted 30 minutes at 1250 DEG C, melten glass liquid is obtained, is pressed with water-cooled tablet machine
Laminate glass, cooling, grinding is sieved, and obtains the superfine glass powder body of maximum particle diameter≤20um；
2) zircon and beta-eucryptite of maximum particle diameter≤25um are chosen as refractory material, by described palladium powder
Body is with refractory material by weight 100:7 mixing, mix homogeneously obtains vacuum glass backing material.
The vacuum glass backing material that the present embodiment is prepared can add organic solvent, and mass fraction is 75-90%, use
Three-roll grinder is sufficiently mixed uniformly, and with centrifugation defoaming machine de-bubble；3D printing technique is used, according to the square row of spacing 25mm
Row, the strong point is prefabricated on a glass substrate, enter 100-120 DEG C of baking oven, it is incubated 5 minutes and dries；Subsequently, horizontal physics steel is sent into
Change stove, according to set steel process with stove sinter molding, obtain the safety glass with supporter.
The coefficient of expansion of the vacuum glass backing material of the present embodiment is (80 ± 5) × 10-7/ DEG C, flow softening temperature is
580-640 DEG C, it is applicable to steel process of the maximum temperature between 670-720 DEG C.
A kind of vacuum glass that one embodiment of the present of invention is proposed, there is the vacuum glass described in embodiment 5 to support for it
Material.
The above, is only presently preferred embodiments of the present invention, and any pro forma restriction is not made to the present invention, according to
According to any simple modification, equivalent variations and modification that the technical spirit of the present invention is made to above example, this is still fallen within
In the range of bright technical scheme.
Claims (10)
1. a kind of vacuum glass backing material, it is characterised in that its components by weight percent is：
Basic components：100 parts, be unleaded middle low temperature sealing glass powder；
Refractory material：0-20 parts.
2. vacuum glass backing material according to claim 1, it is characterised in that described basic components include (weight
Percentage ratio)：
Bi2O3：30.0-80.0%；
ZnO：10.0-30.0%；
B2O3：10.0-30.0%；
SiO2：0-35.0%；
Al2O3：0-15.0%；
CaO：0-5.0%；
MgO：0-3.0%；
Li2O：0-2.0%；
Na2O：0-2.0%；
K2O：0-2.0%；
CuO：0-2.0%；
Cr2O3：0-2.0%；
Co2O3：0-2.0%.
3. vacuum glass backing material according to claim 1, it is characterised in that the particle diameter of described fire resistant infilling is less than
It is at least one in cordierite, zircon and beta-eucryptite equal to 25 μm.
4. vacuum glass backing material according to claim 1, it is characterised in that described vacuum glass backing material
The coefficient of expansion is (70-95) × 10-7/ DEG C, flow softening temperature is 520-700 DEG C.
5. a kind of preparation method of vacuum glass backing material, it is characterised in that it includes：
1) basic components are mixed, is melted, glass of laminating, cooling, grinding is sieved, and obtains superfine glass powder body；
2) by described superfine glass powder body and refractory material by weight 100:0-20 mixes, and mix homogeneously obtains vacuum glass
Glass backing material；
Wherein, basic components are unleaded middle low temperature sealing glass powder.
6. the preparation method of vacuum glass backing material according to claim 5, it is characterised in that described basic components
Including (percentage by weight)：
Bi2O3：30.0-80.0%；
ZnO：10.0-30.0%；
B2O3：10.0-30.0%；
SiO2：0-35.0%；
Al2O3：0-15.0%；
CaO：0-5.0%；
MgO：0-3.0%；
Li2O：0-2.0%；
Na2O：0-2.0%；
K2O：0-2.0%；
CuO：0-2.0%；
Cr2O3：0-2.0%；
Co2O3：0-2.0%.
7. the preparation method of vacuum glass backing material according to claim 5, it is characterised in that described fire resistant infilling
Particle diameter be less than or equal to 25 μm, be at least one in cordierite, zircon and beta-eucryptite.
8. the preparation method of vacuum glass backing material according to claim 5, it is characterised in that described basic components
Fusion temperature be 950-1250 DEG C, fusing time is 30-60min.
9. the preparation method of vacuum glass backing material according to claim 5, it is characterised in that described superfine glass
The particle diameter of powder body is less than or equal to 20 μm.
10. a kind of vacuum glass, it is characterised in that it has vacuum glass backing material, described vacuum glass backing material
Vacuum glass backing material described in any one of claim 1-4.
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| CN109264988A (en) * | 2018-11-19 | 2019-01-25 | 中国建筑材料科学研究总院有限公司 | Glass composition, the glass slurry containing the glass composition, vacuum glass and resistance unit and preparation method containing the glass composition |
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