CN103936269A - Vacuum laminated glass and preparation method thereof - Google Patents
Vacuum laminated glass and preparation method thereof Download PDFInfo
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- CN103936269A CN103936269A CN201310017973.1A CN201310017973A CN103936269A CN 103936269 A CN103936269 A CN 103936269A CN 201310017973 A CN201310017973 A CN 201310017973A CN 103936269 A CN103936269 A CN 103936269A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The invention discloses a vacuum laminated glass and a preparation method thereof. The vacuum laminated glass comprises a vacuum glass body, and one surface or two surfaces of the vacuum glass body is adhered to an outer glass layer with a polyvinyl butyral (PVB) sheet. The vacuum laminated glass has the advantages of simple structure, high safety, and easy preparation.
Description
Technical field
The present invention relates to laminated glass technical field, vacuum interlayer glass that espespecially a kind of safety performance is high and preparation method thereof.
Background technology
Vacuum glass is by airtight two sheet glass surroundings, in the gap forming, forms vacuum at two sheet glass.There is the plurality of advantages such as heat preservation energy-saving due to vacuum glass, so it is widely used in the field such as construction work, refrigerator-freezer.But when causing glass fragment to splash after the unexpected fragmentation of glass outer of vacuum glass, may cause unexpected other injuries, security is poor, has potential safety hazard.Vacuum glass proposes concept in nineteen ninety in Sydney University, at the beginning of 1997, builds up the first in the world bar production line at kyoto, Japan.Due to the singularity that vacuum glass need at high temperature be prepared, the countries such as the U.S., Germany, Switzerland and China are existing all to conduct a research aspect vacuum glass safe.So far, all there is not safe vacuum glass product to come out.
Existing product and method for vacuum interlayer glass safety aspect rarely has innovation, and its thinking and implementation method lack the exploitativeness of production.Wherein one be adopt first interlayer again vacuum production method realize, its problem be vacuum preparation technology temperature compared with interlayer technological temperature high 200 DEG C～300 DEG C, cannot realize its producibility; Its two adopt the preparation of first vacuum after sandwich method realize laminated vacuum glass, but in interlayer process, adopt non-evaporating pressures EVA(or PA) film, because this film mist degree is high, resistance to deterioration is poor, and limit portion gummosis causes glass bending while heating, so should not promote the use of.
As can be seen here, above-mentioned existing vacuum interlayer glass and preparation method thereof, in structure or use, obviously still has inconvenience and defect, and is urgently further improved.Actively research and innovation in addition of the inventor, to founding vacuum interlayer glass of a kind of novelty and preparation method thereof, makes it have more practicality.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the invention provides a kind of vacuum interlayer glass simple in structure, safe.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
Vacuum interlayer glass, comprises vacuum glass body, and the one or both sides of described vacuum glass body are bonded with glass outer by polyvinyl butyral acetal (PVB) film.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Preferably, aforesaid vacuum interlayer glass, wherein said vacuum glass body comprises
Form the first glass and second glass of vacuum chamber;
Upholder, is located between the first glass and the second glass;
Glass powder, is located between the first glass and the second glass, and the first glass and the second glass are carried out to edge sealing; Wherein
The edge sealing width of described glass powder is for being 8mm～25mm.
Preferably, aforesaid vacuum interlayer glass, the sheet glass that wherein said vacuum glass body and glass outer adopt is common white glass, tempering white glass, half tempered white glass, Low-E glass, Low-E semi-tempered glass or Low-E toughened glass.
Preferably, aforesaid vacuum interlayer glass, after the one or both sides of wherein said vacuum glass body are covered with polyvinyl butyral film and glass outer, entirety is put into vacuum bag, between vacuum bag and glass outer, lay air guide sliver, described air guide sliver extends to the air guide port of vacuum bag, and keeping the vacuum tightness in vacuum bag is that 10Pa bonds.
Preferably, aforesaid vacuum interlayer glass, the temperature of wherein said glass outer and described vacuum glass body bonding is 120 DEG C～135 DEG C, and pressure is 0.1MPa～0.6MPa, and the heat-insulation pressure keeping time is 2 hours～3 hours.
Another object of the present invention is for providing the preparation method of vacuum interlayer glass of a kind of easy handling, vacuum glass that production safety performance is high.The technical scheme that realizes this object is as follows:
The preparation method of vacuum interlayer glass, comprises the steps:
A. the one or both sides of the vacuum glass body preparing are laid to layer of polyethylene butyral film, and on polyvinyl butyral film, laid glass outer;
B. the vacuum glass body that lays glass outer being put into vacuum bag vacuumizes;
C. keep the vacuum tightness in vacuum bag, and by autoclave, polyvinyl butyral film is bonded together glass outer and vacuum glass body.
Preferably, aforesaid preparation method, wherein at vacuum bag and lay between the vacuum glass body of glass outer and lay air guide sliver, described air guide sliver extends to the air guide port of vacuum bag.
Preferably, aforesaid preparation method, the vacuum tightness in wherein said vacuum bag is 10Pa.
Preferably, aforesaid preparation method, wherein said steam pressure temperature in the kettle rises to 120 DEG C～135 DEG C, and pressure rises to 0.1MPa～0.6MPa, carries out heat-insulation pressure keeping, and the heat-insulation pressure keeping time is 2 hours～3 hours.
Preferably, aforesaid preparation method, wherein heat-insulation pressure keeping is lowered the temperature after completing, and is down to temperature not higher than 50 DEG C, and temperature fall time is at least 2 hours, carries out step-down after cooling.
Compared with prior art, beneficial effect of the present invention is:
Vacuum interlayer glass safety performance of the present invention is high, simple in structure, and technological operation is strong, can realize batch production, and conforming product rate is high, can realize vacuum glass safe requirement truly.In the time that glass outer damages, because the effect of polyvinyl butyral film has avoided broken glass to splash or come off causing unexpected other injuries.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technique means of the present invention, and can be implemented according to the content of specification sheets, below with preferred embodiment of the present invention and coordinate accompanying drawing to be described in detail as follows.
Brief description of the drawings
Fig. 1 is that figure is cutd open in the structural representation of a kind of embodiment of vacuum interlayer glass of the present invention;
Fig. 2 is that figure is cutd open in the structural representation of another embodiment of vacuum interlayer glass of the present invention.
Embodiment
Technique means and effect of taking for reaching predetermined goal of the invention for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of break-off type shielding case, structure, feature and effect thereof of proposing according to the present invention, be described in detail as follows.In following explanation, the not necessarily same embodiment that different " embodiment " or " embodiment " refer to.In addition, special characteristic, structure or the feature in one or more embodiment can be combined by any suitable form.In the present invention " more than ", " below " all comprise given figure.
The vacuum glass of the vacuum glass body 1 of mentioning in the present invention for being made up of the first glass and the second glass according to prior art, so those skilled in the art should be able to know the concrete structure of vacuum glass body 1.Provide the concrete structure of the vacuum glass body 1 adopting in embodiments of the invention below, but not as limitation of the present invention.Referring to Fig. 1 and Fig. 2, the structure that is respectively two kinds of embodiment of the present invention is cutd open figure.Vacuum glass body 1 comprises:
Form the first glass 101 and second glass 102 of vacuum chamber;
Upholder 104, is located between the first glass 101 and the second glass 102;
Glass powder 103, is located between the first glass 101 and the second glass 102, and the first glass 101 and the second glass 102 are carried out to edge sealing to form vacuum chamber between the first glass 101 and the second glass 102.
In addition, the sheet glass that the vacuum glass body 1 in the present invention and glass outer 3 adopt can be common white glass, tempering white glass, half tempered white glass, Low-E glass, Low-E semi-tempered glass or Low-E toughened glass.Visible, the present invention does not have particular requirement to raw material, can select arbitrarily as required.
Embodiment 1
Fig. 1 is that figure is cutd open in the structural representation of a kind of embodiment of vacuum interlayer glass of the present invention.As shown in Figure 1, vacuum interlayer glass, comprises vacuum glass body 1, and the one side of vacuum glass body 1 is bonded with glass outer 3 by polyvinyl butyral film 2.The edge sealing width of glass powder 103 is for being 25mm.Concrete preparation process comprises the steps:
A. the one side of the vacuum glass body 1 preparing is laid to layer of polyethylene butyral film 2, and on polyvinyl butyral film 2, lay glass outer 3;
B. the vacuum glass body 1 that lays glass outer 3 being put into vacuum bag, to be evacuated to vacuum tightness be 10Pa; At vacuum bag and lay between the vacuum glass body of glass outer and lay air guide sliver, air guide sliver extends to the air guide port of vacuum bag, and keeping the vacuum tightness in vacuum bag is that 10Pa bonds below.The air guide port of vacuum bag connects vacuum pump, to vacuum bag is vacuumized, can be by emptying the gas between polyvinyl butyral film 2 and sheet glass, avoid survival gas in the film interlayer between glass outer 3 and vacuum glass body 1 to cause the potential safety hazards such as not firm and easy fragmentation that bond.Can make gas in vacuum bag discharge completely by air guide sliver is set, avoid gas residue.
C. keep the vacuum tightness in vacuum bag, and by autoclave, polyvinyl butyral film 2 is bonded together glass outer 3 and vacuum glass body 1.Wherein steam pressure temperature in the kettle rises to 120 DEG C, and pressure rises to 0.4MPa, carries out heat-insulation pressure keeping, and the heat-insulation pressure keeping time is 3 hours.Temperature and pressure in autoclave is raised in the scope of requirement simultaneously, can enhance productivity, avoid waiting for and cause process period extend.Temperature rise rate is 1.5 DEG C/min, and rate of pressure rise is 5Kpa/ minute, rationally controls the cohesive force that heats up and can fully improve film pressure rising time, improves fastness.Heat-insulation pressure keeping is lowered the temperature after completing, and is down to temperature as 50 DEG C taking the rate of temperature fall of 1.5 DEG C/min, then carries out step-down.Internal stress that can fine elimination film, improves the quality of product.
Embodiment 2
Fig. 2 is that figure is cutd open in the structural representation of another embodiment of vacuum interlayer glass of the present invention.Referring to Fig. 2, the present embodiment is different from embodiment 1 to be, the two sides of vacuum glass body 1 is bonded with glass outer 3 by polyvinyl butyral film 2 respectively.The edge sealing width of glass powder 103 is for being 8mm.In step a, layer of polyethylene butyral film 2 is laid respectively in the two sides of the vacuum glass body 1 preparing, then on polyvinyl butyral film 2, lay respectively glass outer 3; In step b, it is 8Pa that vacuum bag is evacuated to vacuum tightness; In step c, steam pressure temperature in the kettle rises to 135 DEG C with the temperature rise rate of 1.5 DEG C/min, with the rate of pressure rise of 1.1Kpa/ minute, pressure is risen to 0.1MPa, carries out heat-insulation pressure keeping, and the heat-insulation pressure keeping time is 2 hours.Heat-insulation pressure keeping is lowered the temperature after completing, and is down to temperature as 50 DEG C taking the rate of temperature fall of 1.2 DEG C/min, then carries out step-down.
Embodiment 3
The present embodiment is different from embodiment 1 to be, the edge sealing width of glass powder 103 is 15mm.In step b, it is 6Pa that vacuum bag is evacuated to vacuum tightness; In step c, steam pressure temperature in the kettle rises to 130 DEG C with the temperature rise rate of 1.3 DEG C/min, with the rate of pressure rise of 3Kpa/ minute, pressure is risen to 0.3MPa, carries out heat-insulation pressure keeping, and the heat-insulation pressure keeping time is 2.5 hours.Heat-insulation pressure keeping is lowered the temperature after completing, and is down to temperature as 50 DEG C taking the rate of temperature fall of 1.0 DEG C/min, then carries out step-down.
Embodiment 4
The present embodiment is different from embodiment 2 to be, the edge sealing width of glass powder 103 is 20mm.In step b, it is 8Pa that vacuum bag is evacuated to vacuum tightness; In step c, steam pressure temperature in the kettle rises to 125 DEG C with the temperature rise rate of 1.0 DEG C/min, with the rate of pressure rise of 4.8Kpa/ minute, pressure is risen to 0.6MPa, carries out heat-insulation pressure keeping, and the heat-insulation pressure keeping time is 2 hours.Heat-insulation pressure keeping is lowered the temperature after completing, and is down to temperature as 50 DEG C taking the rate of temperature fall of 1.5 DEG C/min, then carries out step-down.
The vacuum interlayer glass glass of the embodiment of the present invention 1 gained sees the following form 1 through dependence test the data obtained.
Table 1
| Classification | U value W/m 2﹒K | Oise insulation factor db | Close dew temperature DEG C | Security |
| The present invention | 0.70 | 38 | -42 | Security breach |
| Existing vacuum glass | 0.78 | 32 | -35 | Non-security destruction |
As can be seen from Table 1, vacuum interlayer glass of the present invention is all better than the vacuum glass of prior art gained in each side such as insulation, sound insulation.And prove its safety performance through destructive test.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. vacuum interlayer glass, comprises vacuum glass body, it is characterized in that, the one or both sides of described vacuum glass body are bonded with glass outer by polyvinyl butyral film.
2. vacuum interlayer glass according to claim 1, is characterized in that, wherein said vacuum glass body comprises
Form the first glass and second glass of vacuum chamber;
Upholder, is located between the first glass and the second glass;
Glass powder, is located between the first glass and the second glass, and the first glass and the second glass are carried out to edge sealing; Wherein
The edge sealing width of described glass powder is for being 8mm～25mm.
3. vacuum interlayer glass according to claim 1, it is characterized in that, the sheet glass that wherein said vacuum glass body and glass outer adopt is common white glass, tempering white glass, half tempered white glass, Low-E glass, Low-E semi-tempered glass or Low-E toughened glass.
4. vacuum interlayer glass according to claim 1, it is characterized in that, after the one or both sides of wherein said vacuum glass body are covered with polyvinyl butyral film and glass outer, entirety is put into vacuum bag, between vacuum bag and glass outer, lay air guide sliver, described air guide sliver extends to the air guide port of vacuum bag, and keeping the vacuum tightness in vacuum bag is that 10Pa bonds below.
5. vacuum interlayer glass according to claim 4, is characterized in that, the temperature of wherein said glass outer and described vacuum glass body bonding is 120 DEG C～135 DEG C, and pressure is 0.1MPa～0.6MPa, and the heat-insulation pressure keeping time is 2 hours～3 hours.
6. the preparation method of vacuum interlayer glass, is characterized in that, comprises the steps:
A. the one or both sides of the vacuum glass body preparing are laid to layer of polyethylene butyral film, and on polyvinyl butyral film, laid glass outer;
B. the vacuum glass body that lays glass outer being put into vacuum bag vacuumizes;
C. keep the vacuum tightness in vacuum bag, and by autoclave, polyvinyl butyral film is bonded together glass outer and vacuum glass body.
7. the preparation method of vacuum interlayer glass according to claim 6, is characterized in that, wherein at vacuum bag and lay between the vacuum glass body of glass outer and lay air guide sliver, described air guide sliver extends to the air guide port of vacuum bag.
8. the preparation method of vacuum interlayer glass according to claim 6, is characterized in that, the vacuum tightness in wherein said vacuum bag is 10Pa.
9. the preparation method of vacuum interlayer glass according to claim 6, is characterized in that, wherein said steam pressure temperature in the kettle rises to 120 DEG C～135 DEG C, and pressure rises to 0.1MPa～0.6MPa, carries out heat-insulation pressure keeping, and the heat-insulation pressure keeping time is 2 hours～3 hours.
10. the preparation method of vacuum interlayer glass according to claim 9, is characterized in that, wherein heat-insulation pressure keeping is lowered the temperature after completing, and is down to temperature not higher than 50 DEG C, and temperature fall time is at least 2 hours, carries out step-down after cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310017973.1A CN103936269A (en) | 2013-01-17 | 2013-01-17 | Vacuum laminated glass and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310017973.1A CN103936269A (en) | 2013-01-17 | 2013-01-17 | Vacuum laminated glass and preparation method thereof |
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| CN103936269A true CN103936269A (en) | 2014-07-23 |
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| CN201310017973.1A Pending CN103936269A (en) | 2013-01-17 | 2013-01-17 | Vacuum laminated glass and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106810088A (en) * | 2015-11-27 | 2017-06-09 | 东元奈米应材股份有限公司 | Glyglass manufacture method and glyglass |
| CN106817784A (en) * | 2015-11-27 | 2017-06-09 | 东元奈米应材股份有限公司 | Plane heater and its manufacture method |
| CN107142046A (en) * | 2017-05-27 | 2017-09-08 | 句容耀皮节能玻璃科技发展有限公司 | A kind of anti-moisture absorption laminated glass and preparation method thereof |
| TWI626226B (en) * | 2016-12-23 | 2018-06-11 | Process for making vacuum glued glass tightly integrated into one body by using negative pressure and high pressure | |
| CN108527998A (en) * | 2017-03-03 | 2018-09-14 | 台玻东元真空节能玻璃股份有限公司 | It is aided with the method that high pressure keeps vacuum doubling glass gluing integral using negative pressure mode |
| US20210291506A1 (en) * | 2018-05-24 | 2021-09-23 | Vkr Holding A/S | VIG Unit Lamination |
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| CN102260049A (en) * | 2011-02-22 | 2011-11-30 | 天津沽上真空玻璃制造有限公司 | Process for manufacturing vacuum laminated glass from polyvinyl butyral (PVB) or ethylene-vinyl acetate (EVA) hot melt adhesive film |
| CN202300007U (en) * | 2011-10-31 | 2012-07-04 | 信义汽车玻璃(东莞)有限公司 | Sound- and heat-insulating glass |
| CN202299183U (en) * | 2011-10-31 | 2012-07-04 | 怀集县集美新材料有限公司 | Triple power generation compound glass |
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| CN201908398U (en) * | 2010-11-24 | 2011-07-27 | 山东兴华建设集团有限公司 | Solar photovoltaic vacuum curtain wall glass and solar photovoltaic vacuum glass curtain wall |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106810088A (en) * | 2015-11-27 | 2017-06-09 | 东元奈米应材股份有限公司 | Glyglass manufacture method and glyglass |
| CN106817784A (en) * | 2015-11-27 | 2017-06-09 | 东元奈米应材股份有限公司 | Plane heater and its manufacture method |
| TWI626226B (en) * | 2016-12-23 | 2018-06-11 | Process for making vacuum glued glass tightly integrated into one body by using negative pressure and high pressure | |
| CN108527998A (en) * | 2017-03-03 | 2018-09-14 | 台玻东元真空节能玻璃股份有限公司 | It is aided with the method that high pressure keeps vacuum doubling glass gluing integral using negative pressure mode |
| CN107142046A (en) * | 2017-05-27 | 2017-09-08 | 句容耀皮节能玻璃科技发展有限公司 | A kind of anti-moisture absorption laminated glass and preparation method thereof |
| US20210291506A1 (en) * | 2018-05-24 | 2021-09-23 | Vkr Holding A/S | VIG Unit Lamination |
| US11840050B2 (en) * | 2018-05-24 | 2023-12-12 | Vkr Holding A/S | VIG unit lamination |
| EP4245537A3 (en) * | 2018-05-24 | 2023-12-13 | VKR Holding A/S | Vig unit lamination |
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Application publication date: 20140723 |