CN106032310A - Vacuum glass and manufacturing method thereof - Google Patents
Vacuum glass and manufacturing method thereof Download PDFInfo
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- CN106032310A CN106032310A CN201510126028.4A CN201510126028A CN106032310A CN 106032310 A CN106032310 A CN 106032310A CN 201510126028 A CN201510126028 A CN 201510126028A CN 106032310 A CN106032310 A CN 106032310A
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Abstract
The invention relates to vacuum glass and a manufacturing method thereof, in particular to vacuum glass with transparent support, wherein silk-screen printing is carried out on glass powder with sodium silicate as a binding agent, or a transparent aerogel layer serves as the support. According to the edge sealing mode, a metal grid mesh is coated with low-melting-point glass powder, the low-melting-point glass powder is heated in a power-on or electromagnetic mode to be melted, and therefore the edge sealing mode is suitable for melting sealing all glass types including tempered glass. The obtained vacuum glass is high in transparency, safety glass such as the tempered glass, wired glass and laminated glass can be directly used for manufacturing the vacuum glass, and safety of the vacuum glass is greatly improved. As the transparent aerogel layer is used as the support, a very low heat conductivity coefficient can be obtained, and uniform plane stress can be obtained, which is beneficial for manufacturing a large-size vacuum glass product. The vacuum glass can be applied to efficient and safe heat and sound insulation for buildings, rail transit, automobiles, refrigeration houses, industrial equipment and solar heat collection.
Description
Technical field
The present invention relates to a kind of vacuum glass and preparation method thereof, the supporter particularly to this vacuum glass is that the glass dust with waterglass as binding agent passes through screen printing scopiform transparent one-tenth supporter, or using transparency aerogel layer as supporter；Edge sealing mode uses metal grid mesh coating glass powder with low melting point electrified regulation or Electromagnetic Heating fusing glass powder with low melting point, such that it is able to the sealing by fusing of all type of glass being applicable to including safety glass；Have employed after evacuation and scribble the sheet metal of glass powder with low melting point and carry out sealing convenient and reliable.It is high that the present invention obtains vacuum glass not only transparency, and can directly use the safety glasses such as safety glass, wire glass, laminated glass to make vacuum glass, substantially increases the safety of vacuum glass.
Background technology
Vacuum glass, because having very excellent thermal insulation sound insulation value and higher transparency, comes into one's own in energy-saving field such as buildings.
Research worker is for improving the safety of vacuum glass, simplifying that supporter lays technique, the aspect such as process for sealing that is suitable for safety glass has carried out substantial amounts of research-and-development activity.
In terms of improving vacuum glass safety, patent CN03160042.5 discloses a kind of two-sided toughened vacuum glass and manufacture method, vacuum glass includes upper strata, lower floor's safety glass, the surface configuration supporter of lower floor's safety glass, upper strata safety glass is placed on a support, space is formed between two-layer safety glass, the tight sealing-in of solidifying body that the periphery of layer glass is formed by low glass powder, heat-agglomerating is by tight for the periphery of layer glass sealing-in, layer glass after sintering is exhausted, closed grate hole, makes vacuum glass main body.Patent CN200520114730.0 discloses the vacuum doubling glass of a kind of safeguard construction, the panel of doubling vacuum glass at least one formed by doubling glass, and another panel can be formed by using plate glass or doubling glass.This plate glass/doubling glass Outboard Sections of this doubling glass Outboard Sections being made the first panel of vacuum glass by the strong binding glue material interlayer formed or the U-shaped frame fixture being made up of rigid metal or nonmetallic materials and the second panel forming vacuum glass realizes direct physical connection, thus obtains the structure of safe vacuum doubling glass.
Process aspect is laid, the supporter type being primarily directed between two sheet glass of vacuum glass and the improvement laying mode simplifying vacuum glass support.Patent CN02129338.4 disclose a kind of supporter be that height wiry is heat insulation, high soundproof glass and preparation method thereof, supporter is made into line by point, effectively shorten manufacturing time, improve work efficiency, when utilizing thicker tinsel, put into certain pattern, attractive in appearance and safe effect can be played.Patent CN200410041957.7 discloses a kind of new method manufacturing laminate vacuum glass, refer to screen printing technique and makes masterplate, and small opening, the leakage position pre-seted divulged by the slurry being in harmonious proportion with low melting point glass for bonding powder, binding agent, organic solvent.Laminate glass laminate face effectively completes the requirement of the adjustable quick setting of supporting mass size equalization, adjusts other technological parameter in addition, substantially increase produced vacuum glass quality and work efficiency.
Being suitable for the process for sealing of safety glass, be the focus of research recent years, core thinking is to avoid causing safety glass annealing to be reduced into simple glass when adding thermosealed glass powder with low melting point.Patent CN200620069128.4 discloses a kind of toughened vacuum glass, uses rubber seal to seal vacuum glass.Patent CN 201010530086.0 discloses method for sealing tempered vacuum glass and products thereof, the method first passes through local heating and treats that at armorplate glass edge sealing-in surface sinters the metal layer being consolidated with glass plate, then, use metal brazing process that two panels glass plate edge is carried out hermetic seal, or, by treating that between the metal layer of two glass sheets of sealing-in, airtight welding connects metal sealing sheet, it is achieved the hermetic seal to two panels glass plate edge.Patent CN201310069406.0 discloses a kind of low temperature sealing glass plate or vacuum glass, by the periphery of sealing-in needed for glass plate is combined successively with low temperature sealing glass filler, endless metal band successively, form closing conductive loop treats sealing-in district, apply alternating magnetic field, produce loop alternating current, sealing-in position and filler are carried out uniform Synchronous Heating to sealing temperature, lower the temperature after completing sealing-in.During sealing-in, make the assembly bulk temperature method less than sealing-in district temperature, therefore can make the vacuum glass of tempering or half tempered.Patent CN201210090126.3 discloses vacuum glass microwave lateral seal, uses the solder of microwave heating glass surrounding to carry out side seal, the notable shortening side seal time, is greatly improved side seal efficiency, and energy consumption significantly reduces.
Disclosure and the enforcement of above-mentioned patent are beneficial to vacuum glass, particularly the propelling of safety vacuum glass exploitation, but yet suffer from many problems.Vacuum glass supporting construction uses metal material not only to lay trouble, and the good heat conductivity of metal material self also can affect the insulation effect of vacuum glass；Supporting construction uses glass powder with low melting point, it is still desirable to could form higher support strength through high-temperature process, safety glass may be caused to anneal.Toughened vacuum glass uses rubber seal to there is gas leakage and problem of aging；Use local heating solder bonding metal and metal band close loop Electromagnetic Heating, there is thermal expansion metal coefficient when temperature Change bigger be likely to occur dilation stress inconsistent with glass material and cause cracking to leak gas.
For the deficiency of foregoing invention, the present invention proposes a kind of new vacuum glass and manufacture method thereof.
Summary of the invention
A kind of vacuum glass and manufacture method thereof, the manufacture of this vacuum glass comprises the following steps:
1) between two blocks of glass, supporter is laid；
2) two blocks of glass are carried out edge sealing；
3) carry out evacuation between two pieces of glass sandwich, and seal.
Glass types described in step 1) includes the supporter described in simple glass, safety glass, semi-tempered glass, quartz glass, Low-E glass, step 1), is one or both in point-like clear glass thing or transparency aerogel layer.
Wire glass and laminated glass；Glass form includes flat board and curved surface.
Supporter described in step 1), is one or both in point-like clear glass or transparency aerogel layer.
Point-like clear glass supporter described in step 1), is to print the glass dust with waterglass as binding agent on a surface glass by silk-screen printing technique, the transparent support thing formed after drying.Supporter diameter is at 0.4mm-0.8mm, and height is at 0.15mm-0.35mm.
Transparency aerogel layer supporter described in step 1), is to form, by sol gel process, the transparency aerogel layer that a layer thickness is 0.05 ~ 0.5mm on a surface glass.Described aeroge includes silica aerogel, titania aerogel, alumina aerogels, ferrum oxide and zirconia aerogels.
Step 2) described in edge sealing, be at metal grid mesh resistor disc coated on both sides glass powder with low melting point slurry, be placed in the joint portion of two pieces of glass edges, after drying, then metal grid mesh resistor disc electrified regulation completed sealing by fusing.
Step 2) described in edge sealing, be at magnetic metal aperture plate coated on both sides glass powder with low melting point slurry, be placed in the joint portion of two pieces of glass edges, after drying, then complete sealing by fusing by Electromagnetic Heating.
Evacuation described in step 3), is the aperture opening a 1 ~ 5mm in advance on one block of glass, by aperture evacuation, then scribbles the sheet metal covering sealing of glass powder with low melting point by preheated one side.
When step 1 uses aerogel layer to do supporter, aerogel layer is prepared as follows: first one piece of face glass is carried out surface cleaning pretreatment；Pasting height in face glass edge is 0.05 ~ 0.5mm, and width is the adhesive tape of 5 ~ 10mm, forms shallow-layer glass container.Ludox (or Alumina gel or titanium colloidal sol or zirconium colloidal sol or ferrum collosol) through hydrolysis and pH value regulation is imported shallow-layer glass container, static, treat gel, aging, hydrophobic modification is carried out again with methyl-monosilane, through supercritical drying or constant pressure and dry, remove the adhesive tape of panel surrounding, the aerogel layer of glass substrate must be attached to.
Getter can be contained in above-mentioned vacuum glass.In general to only require that vacuum reaches 0.001Pa the most permissible for vacuum glass, it is not necessary to places getter and also can reach requirement, for requiring higher use environment, it is also possible to places getter and further ensures that the long-term vacuum degree of vacuum glass.
Beneficial effect.
Compared with prior art, the vacuum glass that prepared by the present invention has following significant advantage.
(1) present invention is applicable to all types of face glass making vacuum glass, is particularly suitable for use with the safety glasses such as safety glass, wire glass, laminated glass and makes vacuum glass.
(2) in the present invention, supporter uses waterglass to do the glass dust of binding agent, without any organic principle, baking and curing below 100 DEG C, do not interfere with the performance of the panel such as safety glass, doubling glass, complete to there will not be organic principle after vacuum seals and decompose venting, also there is higher transparency and solidification intensity, it is easy to silk screen printing, the simple feature of process efficient.
(3) in the present invention, supporter uses transparency aerogel layer, can obtain the integrated support material of high transparency low thermal conductivity, upper and lower two sheet glass uniform surface stress, can obtain the high-performance heat-protecting glass of large scale, the high grade of transparency, high-durability.
When using titanium oxide, zirconium oxide and ferrum oxide aerogel layer to combine with quartz glass, because aeroge self has good light-shading effect, far infrared hyperthermia radiation there is good barriering effect, the transparent heat-insulated demand being particularly suitable under hot environment.
(4) present invention uses metal grid mesh coating glass powder with low melting point to seal, local is used to heat sealing by fusing, avoid the annealing of safety glass, improve metal grid mesh and glass powder with low melting point self conjugation, decrease storeroom and expand with heat and contract with cold the impact on sealing-in quality.
(5) the sheet metal coating glass powder with low melting point that the present invention uses after vacuum exhaustion seals, it is not necessary to place exhaustor at seal, simple, it is to avoid exhaustor is damaged, more safe and reliable.
(6) Product Process of the present invention is simple, suitable and large-scale mass production, and product can apply to build the heat-insulating sound-insulating of the highly effective and safe of (particularly skyscraper), track traffic, automobile, freezer, industrial equipment and solar energy heating.
Accompanying drawing explanation.
Transparent support thing structural representation is printed on Fig. 1 glass substrate.
Transparency aerogel Rotating fields schematic diagram is prepared on Fig. 2 glass substrate.
Fig. 3 sealing of metal wire-grid structure schematic diagram.
Fig. 4 glass substrate and vent structure schematic diagram thereof.
Fig. 5 vacuum glass section of structure.
Detailed description of the invention.
Provide below the detailed description of the invention of vacuum glass, as the present invention is described in more detail.
Embodiment 1.
Taking safety glass 1, be 0.65mm by being screen printed onto printing diameter on safety glass 1, height is 0.25mm, and spacing is the glass dust 3a making binding agent of waterglass of 25mm, is dried 1h afterwards, is dried 30min at 105 DEG C at 80 DEG C.At the metal grid mesh 4 coated on both sides glass powder with low melting point that thickness is 0.15mm, it is placed in safety glass 1 four limit, then covers the safety glass 2 having exhaust hole 5.Carry out glass four limit afterwards and carry out Electromagnetic Heating, complete glass powder with low melting point fusing sealing-in.Aperture evacuation from safety glass 2, carries out preheating at 400 DEG C to the sheet metal of a topcoating glass powder with low melting point, treats evacuation to terminate with sheet metal and seals the aperture on safety glass 2.
Embodiment 2.
Taking simple glass 1, be 0.70mm by being screen printed onto printing diameter on simple glass 1, height is 0.20mm, and spacing is the glass dust 3a making binding agent of waterglass of 30mm, is dried 2h afterwards, is dried 30min at 95 DEG C at 80 DEG C.At the metal grid mesh 4 coated on both sides glass powder with low melting point that thickness is 0.10mm, it is placed in simple glass 1 four limit, then covers the simple glass 2 having exhaust hole 5.Afterwards to metal grid mesh electrified regulation, complete four bandings and connect.Aperture evacuation from simple glass 2, carries out preheating at 380 DEG C to the sheet metal of a topcoating glass powder with low melting point, treats evacuation to terminate with sheet metal and seals the aperture on simple glass 2.At above-mentioned vacuum glass two sides composite PVC doubling glass.
Embodiment 3.
First toughened glass panel 1 is carried out surface cleaning pretreatment；Pasting height in toughened glass panel edge is 0.25mm, and width is the Kapton Tape of 8mm, forms shallow-layer glass container.Take tetraethyl orthosilicate 1 part, add 2 parts of pure water and 2 parts of dehydrated alcohol and the dilute sulfuric acid of a small amount of 1M, hydrolyze 2h, obtain Ludox, adding a small amount of ammonia regulation pH value is 5.5, import shallow-layer glass container, static 40min gel, aging 10h, hydrophobic modification 5h is carried out again with hexamethyl siloxane and hexa methyl silazane mixture, constant pressure and dry at 90 DEG C again, removes the adhesive tape of panel surrounding, must be attached to the aerogel layer 3b of toughened glass panel 1.At the metal grid mesh 4 coated on both sides glass powder with low melting point that thickness is 0.15mm, it is placed in safety glass 1 four limit, then covers the safety glass 2 having exhaust hole 5.Carry out glass four limit afterwards and carry out Electromagnetic Heating, complete glass powder with low melting point fusing sealing-in.Aperture evacuation from safety glass 2, carries out preheating at 400 DEG C to the sheet metal of a topcoating glass powder with low melting point, treats evacuation to terminate with sheet metal and seals the aperture on safety glass 2.
Embodiment 4.
First quartz glass 1 is carried out surface cleaning pretreatment；Pasting height in toughened glass panel edge is 0.2mm, and width is the Kapton Tape of 10mm, forms shallow-layer glass container.Take tetraethyl titanate 1 part, add 1.5 parts of pure water and 2 parts of dehydrated alcohol and the dilute sulfuric acid of a small amount of 1M, hydrolyze 2h, obtain titanium colloidal sol, adding a small amount of ammonia regulation pH value is 6.0, import shallow-layer glass container, static 30min gel, aging 10h, 50 DEG C, 15MPa carry out CO2 supercritical drying 8h, pressure release afterwards, removes the adhesive tape of panel surrounding, must be attached to the aerogel layer 3b of toughened glass panel 1.At the metal grid mesh 4 coated on both sides glass powder with low melting point that thickness is 0.1mm, it is placed in safety glass 1 four limit, then covers the safety glass 2 having exhaust hole 5.Carry out glass four limit afterwards and carry out Electromagnetic Heating, complete glass powder with low melting point fusing sealing-in.Aperture evacuation from safety glass 2, carries out preheating at 400 DEG C to the sheet metal of a topcoating glass powder with low melting point, treats evacuation to terminate with sheet metal and seals the aperture on safety glass 2.
The above, be only presently preferred embodiments of the present invention, and the present invention not does any type of restriction.Any simple modification, equivalent variations and the modification that above example is made by every technology according to the present invention and method essence, all still falls within the range of technology and the method scheme of the present invention.
Claims (10)
1. a vacuum glass and manufacture method thereof, it is characterised in that the manufacture of this vacuum glass comprises the following steps:
1) between two blocks of glass, supporter is laid；
2) two blocks of glass are carried out edge sealing；
3) carry out evacuation between two pieces of glass sandwich, and seal.
2. a kind of vacuum glass described in claim 1 and manufacture method thereof, it is characterised in that glass types described in step 1) includes simple glass, safety glass, semi-tempered glass, quartz glass, Low-E glass, wire glass and laminated glass；Described glass form includes flat board and curved surface.
3. a kind of vacuum glass described in claim 1 and manufacture method thereof, it is characterised in that the supporter described in step 1), is one or both in point-like clear glass or transparency aerogel layer.
4. a kind of vacuum glass described in claim 1 and manufacture method thereof, it is characterized in that, point-like clear glass thing supporter described in step 1), it is on a surface glass, to print the glass dust with waterglass as binding agent by silk-screen printing technique, the transparent support thing formed after drying, supporter diameter is at 0.4mm-0.8mm, and height is at 0.15mm-0.35mm.
5. a kind of vacuum glass described in claim 1 and manufacture method thereof, it is characterised in that the transparency aerogel layer supporter described in step 1), is to form, by sol gel process, the transparency aerogel layer that a layer thickness is 0.05 ~ 0.5mm on a surface glass.
6. a kind of vacuum glass described in claim 1 and manufacture method thereof, it is characterized in that, step 2) described in edge sealing, it it is metal grid mesh resistor disc coated on both sides glass powder with low melting point slurry, it is placed in the joint portion of two pieces of glass edges, after drying, then metal grid mesh resistor disc electrified regulation is completed sealing by fusing.
7. a kind of vacuum glass described in claim 1 and manufacture method thereof, it is characterised in that step 2) described in edge sealing, it is at magnetic metal aperture plate coated on both sides glass powder with low melting point slurry, it is placed in the joint portion of two pieces of glass edges, after drying, then completes sealing by fusing by Electromagnetic Heating.
8. a kind of vacuum glass described in claim 1 and manufacture method thereof, it is characterized in that, evacuation described in step 3), be the aperture opening a 1 ~ 5mm in advance on one block of glass, by aperture evacuation, then scribble the sheet metal covering sealing of glass powder with low melting point by preheated one side.
9. the aeroge described in claim 4 includes silica aerogel, titania aerogel, alumina aerogels, zirconia aerogels and ferrum oxide aeroge.
10. the aerogel layer preparation method described in claim 4 is:
First one piece of face glass is carried out surface cleaning pretreatment；Pasting height in face glass edge is 0.05 ~ 0.5mm, and width is the adhesive tape of 5 ~ 10mm, forms shallow-layer glass container；Ludox (or Alumina gel or titanium colloidal sol or zirconium colloidal sol or ferrum collosol) through hydrolysis and pH value regulation is imported shallow-layer glass container, static, treat gel, aging, hydrophobic modification is carried out again with methyl-monosilane, through supercritical drying or constant pressure and dry, remove the adhesive tape of panel surrounding, the aerogel layer of glass substrate must be attached to.
Applications Claiming Priority (2)
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| CN201410583238 | 2014-10-27 | ||
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108409119A (en) * | 2017-09-19 | 2018-08-17 | 贵州新中盛玻璃科技有限公司 | A kind of preparation method of toughened vacuum glass |
| CN108625737A (en) * | 2017-03-17 | 2018-10-09 | 长沙星纳气凝胶有限公司 | Aerogel composite glass and preparation method thereof built in a kind of |
| CN108625740A (en) * | 2017-03-17 | 2018-10-09 | 长沙星纳气凝胶有限公司 | Aerogel composite glass and preparation method thereof built in a kind of |
| CN108625742A (en) * | 2017-03-17 | 2018-10-09 | 长沙星纳气凝胶有限公司 | Aerogel composite glass and preparation method thereof built in a kind of |
| CN108625741A (en) * | 2017-03-17 | 2018-10-09 | 长沙星纳气凝胶有限公司 | Aerogel composite glass and preparation method thereof built in a kind of |
| CN108625743A (en) * | 2017-03-17 | 2018-10-09 | 长沙星纳气凝胶有限公司 | A kind of hollow glass of built-in solar protection devices |
| CN108623195A (en) * | 2017-03-17 | 2018-10-09 | 长沙星纳气凝胶有限公司 | A kind of heat insulation glass and preparation method thereof |
| CN108623194A (en) * | 2017-03-17 | 2018-10-09 | 长沙星纳气凝胶有限公司 | Aerogel composite glass and preparation method thereof built in a kind of |
| CN111302664A (en) * | 2018-12-11 | 2020-06-19 | 徐宝安 | Glass frame supporting complementary buckling metal brazing stainless steel frame regulation and control vacuum glass |
| CN113844127A (en) * | 2021-10-25 | 2021-12-28 | 青岛莫仑矿业有限公司 | Aerogel vacuum glass and preparation process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108623195A (en) * | 2017-03-17 | 2018-10-09 | 长沙星纳气凝胶有限公司 | A kind of heat insulation glass and preparation method thereof |
| CN108625737A (en) * | 2017-03-17 | 2018-10-09 | 长沙星纳气凝胶有限公司 | Aerogel composite glass and preparation method thereof built in a kind of |
| CN108625740A (en) * | 2017-03-17 | 2018-10-09 | 长沙星纳气凝胶有限公司 | Aerogel composite glass and preparation method thereof built in a kind of |
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| CN108625741A (en) * | 2017-03-17 | 2018-10-09 | 长沙星纳气凝胶有限公司 | Aerogel composite glass and preparation method thereof built in a kind of |
| CN108625743A (en) * | 2017-03-17 | 2018-10-09 | 长沙星纳气凝胶有限公司 | A kind of hollow glass of built-in solar protection devices |
| CN108623194A (en) * | 2017-03-17 | 2018-10-09 | 长沙星纳气凝胶有限公司 | Aerogel composite glass and preparation method thereof built in a kind of |
| CN108625743B (en) * | 2017-03-17 | 2020-04-10 | 长沙星纳气凝胶有限公司 | Hollow glass with built-in sun-shading device |
| CN108625741B (en) * | 2017-03-17 | 2020-04-10 | 长沙星纳气凝胶有限公司 | Composite glass with built-in aerogel and preparation method thereof |
| CN108623194B (en) * | 2017-03-17 | 2021-04-27 | 长沙星纳气凝胶有限公司 | Composite glass with built-in aerogel and preparation method thereof |
| CN108409119A (en) * | 2017-09-19 | 2018-08-17 | 贵州新中盛玻璃科技有限公司 | A kind of preparation method of toughened vacuum glass |
| CN111302664A (en) * | 2018-12-11 | 2020-06-19 | 徐宝安 | Glass frame supporting complementary buckling metal brazing stainless steel frame regulation and control vacuum glass |
| CN113844127A (en) * | 2021-10-25 | 2021-12-28 | 青岛莫仑矿业有限公司 | Aerogel vacuum glass and preparation process thereof |
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Effective date of registration: 20180410 Address after: 312000 room 106, No. 15, Lei Hai Town, leachi Town, Shaoxing Binhai New Town, Zhejiang Applicant after: ZHEJIANG SHENGRUN NANO TECHNOLOGY CO.,LTD. Address before: Wolong Road, Shihe village Yuecheng District 312000 Zhejiang city of Shaoxing province 25-104 Applicant before: Jin Chengli |
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Application publication date: 20161019 |