CN1931764A - Low radiation coated glass capable of being toughened and its production process - Google Patents

Low radiation coated glass capable of being toughened and its production process Download PDF

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Publication number
CN1931764A
CN1931764A CN 200610022071 CN200610022071A CN1931764A CN 1931764 A CN1931764 A CN 1931764A CN 200610022071 CN200610022071 CN 200610022071 CN 200610022071 A CN200610022071 A CN 200610022071A CN 1931764 A CN1931764 A CN 1931764A
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rete
coated glass
toughened
radiation coated
glass capable
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CN 200610022071
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CN100595172C (en
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林嘉宏
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Lin Jiahong
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Abstract

The low radiation coated glass capable of being toughened includes one glass base plate and successively arranged the first isolating metal film of NiCr alloy, an antireflecting film of Si3N4 or Si3N4 plus TiO2, an infrared blocking film of metal Ag, the second isolating metal film of NiCr alloy, and a protecting film of Si3N4, SnO2 plus Si3N4 or TiO2 plus Si3N4. The coated glass may be toughened or heat treated while maintaining its high performance, and has excellent heat isolating performance and high antioxidant performance.

Description

Radiation coated glass capable of being toughened and its production process
Technical field
The present invention relates to a kind of coated glass, particularly relate to a kind of radiation coated glass capable of being toughened and its production process.
Background technology
Low radiation coated glass also claims Low-E glass, is on high-quality float glass surface, plates several layers low radiative materials and other metal compound film and forms.Low radiation coated glass has following characteristics: extremely low emissivity, high far infrared (thermal radiation) reflectivity can stop after the glass heat absorption heats up and outwards dispel the heat from face with forms of radiation, also can directly reflect far-infrared thermal radiation.Above two characteristics of LOW-E film match with the iris action of double glazing to the convection of heat conduction, have just constituted the extremely low LOW-E double glazing of U value.But its trap heat to a cold end transmission, stops that indoor heat rushes down to outdoor from an end of heat winter, indoor heat can be remained on indoorly, plays energy-conservation effect; And stop summer in the outdoor thermal radiation inlet chamber, play good heat-blocking action, be present optimal glazing material.
Low radiation coated glass mainly contains two kinds of production methods at present: one) online high temperature pyrolysis sedimentation: finish in float glass process for cooling process, liquid metal or metal-powder are directly injected on the hot glass surface, cooling along with glass, metallic diaphragm becomes the part of glass, and this rete is sturdy and durable.This plated film mode because of with glass processing procedure line, be commonly referred to as on-line coating, though but the low emissivity glass that this method is produced has the hot bending tempering, needn't under hollow state, use, can standing storage, but its thermal property, thermal insulation effect are poor, if want to improve its thermal property by increasing thickness, its transparency is with regard to non-constant.Two) off-line vacuum magnetic-control sputtering method: on glass with vacuum magnetic-control sputtering mode sputter multiple layer metal or pottery magnetic (oxidized metal) film at raw sheet, because of its not with glass processing procedure line, so be called off-line coated, the low radiation coated glass of this kind method explained hereafter, need one deck fine silver film as functional membrane, the fine silver film is between two layers of metal oxide film, metal oxide film provides protection to the fine silver film, and as the middle layer between the rete, the effect of adjusting coated glass color and antireflection increase transmissivity is arranged, it has following properties: 1) near the natural primary color of glass, (visible light wave range of 380nm～780nm) has high perspective rate, and reason glass does not produce serious anti-dazzle public hazards to the height reflection of visible light to wavelength; 2) visible light penetrates indoor manyly in the sunlight, and color nature, daylighting are good, reduce the use of indoor lamp, save the energy; 3) to infrared ray have higher reflectivity (wavelength 780nm～3000nm),, almost be total reflection especially to long wavelength's infrared rays (more than the wavelength 3000nm), a large amount of thermals source capable of blocking enter, and make indoorly to feel nice and cool, reach effect cool in summer and warm in winter; Being suitable for high-grade curtain buildings uses.
But because the consideration of security, above-mentioned low radiation coated glass often will carry out tempering to be handled, if carry out tempering behind the plated film again, because the effect of high temperature (more than 680 ℃), make coatings very easily oxidized and burn out, cause the function of low radiation coated glass to completely lose.
Summary of the invention
Technical problem to be solved by this invention provides a kind of radiation coated glass capable of being toughened, still can keep high performance nature behind the tempering.
The present invention also will provide a kind of production method of above-mentioned radiation coated glass capable of being toughened.
The technical scheme that technical solution problem of the present invention is adopted is: radiation coated glass capable of being toughened; comprise glass substrate; also comprise antireflection rete, metal separating film layer, antireflection rete according to this on glass substrate, block infrared rays rete, metal separating film layer and protect overall rete, described antireflection rete is Si 3N 4Or Si 3N 4+ TiO 2Described metal separating film layer is the NiCr alloy; Described antireflection rete is a ZAO ceramic target; The described infrared rays rete that blocks is metal A g; Described metal separating film layer is the NiCr alloy; The overall rete of described protection is Si 3N 4, SnO 2+ Si 3N 4Or TiO 2+ Si 3N 4
The production method of radiation coated glass capable of being toughened adopts vacuum magnetic-control sputtering mode plated film, and the vacuum magnetic-control sputtering coating equipment has 14 sputter target position and 6 gas barrier chambers at least.
The invention has the beneficial effects as follows:, can carry out tempering or thermal treatment, and after carrying out tempering or thermal treatment, still can keep high performance nature because each the rete arrangement on the radiation coated glass capable of being toughened of the present invention is reasonable; Have and two the same heat-insulating and energy-saving performances of silver-colored LOW-E; Product can store 4-6 month can oxidation; Have the nature color, have high permeability, can not produce serious anti-dazzle public hazards at visible light wave range.Production method of the present invention has output height, advantage that cost is low.
Description of drawings
Fig. 1 is a film layer structure synoptic diagram of the present invention.
Fig. 2 is embodiment 1 and different low emissivity glass optical transmission spectra figure.
Embodiment
Fig. 1 is a film layer structure synoptic diagram of the present invention, the acting as of each sputtered layer:
Antireflection rete 1 is Si 3N 4Or Si 3N 4+ TiO 2, can reduce reflectivity; Adjust the glass surface color; Na that substrate itself discharges when stopping glass tempering and O 2Corrode the Ag rete, cause the oxidized and loss of function of Ag layer.The thickness of antireflection rete 1 is about 15～30nm.
Metal separating film layer 2 and 5 is the NiCr alloy, can protect the Ag layer, avoids the Ag layer oxidized, prolongs the storage time.Metal separating film layer 2 and 5 thickness are about 1～5nm.
Antireflection rete 3 is a ZAO ceramic target, can adjust the rete color; Improve visible light transmittance.The thickness of antireflection rete 3 is about 5～10nm.
Block infrared rays rete 4 and be metal A g, can reduce radiant ratio; Increase heat insulation or heat preservation effect.The thickness that blocks infrared rays rete 4 is about 8～14nm.
Protect overall rete 6 to be Si 3N 4, SnO 2+ Si 3N 4Or TiO 2+ Si 3N 4, can adjust the color of plated film face; Improve the ability of overall rete resistance to chemical attack and mechanical friction; Protect whole film layer structure; Airborne chemical substance or O when stopping tempering 2Corrode the Ag layer; Reduce oxidation.Protect the thickness of overall rete 6 to be about 35～60nm.
The present invention adopts the production of vacuum magnetic-control sputtering coating equipment, 14 sputter target position and 6 gas barrier chambers will be arranged at least, antireflection rete Si 3N 4Or Si 3N 4+ TiO 2And the overall rete Si of protection 3N 4Or SnO 2+ Si 3N 4Or TiO 2+ Si 3N 4Adopt state-of-the-art double cathode rotary target (C-MAG) sputter, but have superpower sputter and the not starting the arc, the advantage of dust not, can significantly improve turnout.The antireflection rete is a ZAO ceramic target, can be placed on same gas barrier chamber with NiCr alloy or Ag, only adds a little O in the production 2, Ar and O 2Weight percent content be respectively: 85-95% and 5-15%, can not pollute the Ag layer, in the framework arrangement, can reduce by a gas barrier chamber, thereby reduce the cost of investment of equipment.
Visible light transmissivity is 70～84% behind the low radiation coated glass tempering of the present invention; Radiant ratio ε is 0.04～0.09.
Embodiment 1:
The antireflection rete adopts Si 3N 4Protect overall rete to adopt Si 3N 4The thickness of antireflection rete 1 is 21nm, and the thickness of metal separating film layer 2 is 2nm, and the thickness of metal separating film layer 5 is 2nm, and the thickness of antireflection rete 3 is 7nm, and the thickness that blocks infrared rays rete 4 is 12nm, and the thickness of protecting overall rete 6 is 50nm.
In the production, the target of antireflection rete 3 is placed on same gas barrier chamber, Ar and O with the target that blocks infrared rays rete 4 2Weight percent content be respectively: 95% and 5%.
Following table is present embodiment and different low radiation coated glass performance data tables.
The name of an article Visible light transmissivity % Ultraviolet ray transmissivity % Solar thermal energy The U value Sheltering coefficient Radiant ratio
Reflectivity % Specific absorption % Direct transmitance % Total transmitance % Total heat transit dose W/m 2 Night in winter W/m 2K Summer W/m 2K
Absorb Radiation is penetrated again Radiation enters again
(DLE+CL) (6+12A.S.+6) 64 10 17 45 38 7 38 45 343 1.69 1.78 0.52 0.042
IL (CL-PLE+CL) is (6+12A.S+6) before the tempering 65 10 19 38 31 7 39 46 348 1.67 1.75 0.53 0.053
IL (CL-PLE+CL) 6+12A.S+6) behind the tempering 67 13 17 36 28 8 39 47 354 1.66 1.73 0.54 0.05
IL(CL-TLE+CL) (6+12A.S.+6) 74 12 20 35 27 8 45 53 398 1.68 1.75 0.61 0.06
IL(CL-SLE+CL) (6+12A.S.+6) 72 17 13 39 31 8 48 56 422 1.77 1.89 0.65 0.08
IL(K Glass+CL) (6+12A.S.+6) 73 --- 13 33 19 14 54 68 506 2.10 0.78 0.15
Glaverbel IL(Sunergy CL+CL) (6+12A.S.+6) 59 26 11 48 38 10 41 51 388 2.15 2.46 0.59 0.31
In the last table: SLE is single silver low radiation coated glass;
TLE is a titanium base list silver low radiation coated glass;
DLE is two silver low radiation coated glasses;
K.Glass and Sunergy are online low radiation coated glass;
PLE is a radiation coated glass capable of being toughened of the present invention.
In building energy conservation, heat transfer coefficient (U value) is low more, illustrate that thermal and insulating performance is good more, as can be seen from the above table: (1) radiation coated glass capable of being toughened of the present invention (PLE) is close with the U value of two silver low radiation glass (DLE) when synthetic hollow is used, can reach the heat insulating effect of DLE, but the U value than other single silver-colored LOW-E is lower, and therefore radiation coated glass capable of being toughened of the present invention is very excellent on the performance of building energy conservation; (2) but radiation coated glass capable of being toughened of the present invention compare with the K.GLASS of same tempering, its U value differs 0.4, therefore the heat insulating effect of radiation coated glass capable of being toughened of the present invention in building energy conservation is more excellent than K.GLASS.
Fig. 2 is a present embodiment and the optical transmission spectra figure of different low emissivity glasses.Among the figure, SLE is single silver low radiation coated glass; TLE is a titanium base list silver low radiation coated glass; DLE is two silver low radiation coated glasses; GLAVERBEL-SUNERGY is online low radiation coated glass; PLE is a radiation coated glass capable of being toughened of the present invention.
As can be seen from Figure 2: radiation coated glass capable of being toughened of the present invention has very high transmittance in visible light (380-780nm) scope, in short wavelength infrared line (780-3000nm) scope, the very high rate that blocks is arranged, therefore radiation coated glass capable of being toughened of the present invention can make buildings reach effect cool in summer and warm in winter, is a kind of high performance heat-insulating and energy-saving glass.
Embodiment 2:
The antireflection rete adopts Si 3N 4+ TiO 2Protect overall rete to adopt SnO 2+ Si 3N 4The thickness of antireflection rete 1 is 30nm, and the thickness of metal separating film layer 2 is 1.5nm, and the thickness of metal separating film layer 5 is 1.5nm, and the thickness of antireflection rete 3 is 5nm, and the thickness that blocks infrared rays rete 4 is 8nm, and the thickness of protecting overall rete 6 is 35nm.
In the production, the target of antireflection rete 3 is placed on same gas barrier chamber, Ar and O with the target that blocks infrared rays rete 4 2Weight percent content be respectively: 85% and 15%.
Following table is the performance data table of present embodiment.
The name of an article Visible light transmissivity % Ultraviolet ray transmissivity % Solar thermal energy The U value Sheltering coefficient Radiant ratio
Reflectivity % Specific absorption % Direct transmitance % Total transmitance % Total heat transit dose W/m 2 Night in winter W/m 2K Summer W/m 2K
Absorb Radiation is penetrated again Radiation enters again
IL (CL-PLE+CL) is (6+12A.S+6) before the tempering 72 17 13 39 30 9 48 57 431 1.88 1.89 0.66 0.085
IL (CL-PLE+CL) 6+12A.S+6) behind the tempering 73 16 12 38 26 10 48 58 440 1.87 1.88 0.67 0.082
Embodiment 3:
The antireflection rete adopts Si 3N 4Protect overall rete to adopt TiO 2+ Si 3N 4The thickness of antireflection rete 1 is 15nm, and the thickness of metal separating film layer 2 is 5nm, and the thickness of metal separating film layer 5 is 5nm, and the thickness of antireflection rete 3 is 10nm, and the thickness that blocks infrared rays rete 4 is 14nm, and the thickness of protecting overall rete 6 is 60nm.
In the production, the target of antireflection rete 3 is placed on same gas barrier chamber, Ar and O with the target that blocks infrared rays rete 4 2Weight percent content be respectively: 90% and 10%.
Following table is the performance data table of present embodiment.
The name of an article Visible light transmissivity % Ultraviolet ray transmissivity % Solar thermal energy The U value Sheltering coefficient Radiant ratio
Reflectivity % Specific absorption % Direct transmitance % Total transmitance % Total heat transit dose W/m 2 Night in winter W/m 2K Summer W/m 2K
Absorb Radiation is penetrated again Radiation enters again
IL (CL-PLE+CL) is (6+12A.S+6) before the tempering 60 17 23 32 33 8 38 44 347 1.64 1.70 0.50 0.045
IL (CL-PLE+CL) 6+12A.S+6) behind the tempering 61 19 21 30 31 9 38 46 350 1.63 1.72 0.52 0.048

Claims (8)

1, radiation coated glass capable of being toughened; comprise glass substrate; it is characterized in that: from glass substrate outwards comprise antireflection rete (1), metal separating film layer (2), antireflection rete (3) successively, block infrared rays rete (4), metal separating film layer (5) and protection overall rete (6), described antireflection rete (1) is Si 3N 4Or Si 3N 4+ TiO 2Described metal separating film layer (2) is the NiCr alloy; Described antireflection rete (3) is a ZAO ceramic target; The described infrared rays rete (4) that blocks is metal A g; Described metal separating film layer (5) is the NiCr alloy; The overall rete of described protection (6) is Si 3N 4, SnO 2+ Si 3N 4Or TiO 2+ Si 3N 4
2, radiation coated glass capable of being toughened according to claim 1 is characterized in that: described metal A g is the metal A g of partial oxidation.
3, radiation coated glass capable of being toughened according to claim 1 is characterized in that: the transmission of visible light of described radiation coated glass capable of being toughened is 70～84%, and radiant ratio ε is 0.04～0.09.
4, the production method of the described radiation coated glass capable of being toughened of claim 1 is characterized in that: adopt vacuum magnetic-control sputtering mode plated film, the vacuum magnetic-control sputtering coating equipment has 14 sputter target position and 6 gas barrier chambers at least.
5, the production method of radiation coated glass capable of being toughened according to claim 4 is characterized in that: antireflection rete (1) and the overall rete of protection (6) adopt the sputter of double cathode rotary target.
6, the production method of radiation coated glass capable of being toughened according to claim 4 is characterized in that: the target of the target of described antireflection rete (3) and metal separating film layer (5) is placed on same gas barrier chamber.
7, the production method of radiation coated glass capable of being toughened according to claim 4 is characterized in that: the target of described antireflection rete (3) is placed on same gas barrier chamber with the target that blocks infrared rays rete (4).
8, according to the production method of claim 6 or 7 described radiation coated glass capable of being tougheneds, it is characterized in that: Ar and O in the production 2Weight percent content be respectively: 85-95% and 5-15%.
CN200610022071A 2006-10-19 2006-10-19 Low radiation coated glass capable of being toughened and its production process Active CN100595172C (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102173600A (en) * 2011-01-20 2011-09-07 南京宇天玻璃有限公司 Silver blue glass and preparation technique thereof
CN102173601A (en) * 2011-01-20 2011-09-07 南京宇天玻璃有限公司 Superhard temperable low-emissivity glass and manufacturing process thereof
CN102219396A (en) * 2011-04-12 2011-10-19 成都南玻玻璃有限公司 Temperable gold low-emissivity coated glass and manufacturing method thereof
CN101654334B (en) * 2009-05-31 2011-11-30 江苏蓝星玻璃有限公司 Off-line pale green low radiation coated glass and preparation method
CN102615877A (en) * 2012-03-29 2012-08-01 江苏奥蓝工程玻璃有限公司 Low-radiation coated glass capable of being toughened off line and production method thereof
CN103481596A (en) * 2013-10-08 2014-01-01 成都南玻玻璃有限公司 Temperable blue low radiation energy-saving glass
CN103771726A (en) * 2013-12-21 2014-05-07 揭阳市宏光镀膜玻璃有限公司 Production method of low-emissivity glass
CN105518080A (en) * 2013-09-02 2016-04-20 乐金华奥斯有限公司 Low-emissivity coating and construction material for window and door including same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4716086A (en) * 1984-12-19 1987-12-29 Ppg Industries, Inc. Protective overcoat for low emissivity coated article
US5344718A (en) * 1992-04-30 1994-09-06 Guardian Industries Corp. High performance, durable, low-E glass
DE10105199C1 (en) * 2001-02-06 2002-06-20 Saint Gobain Thermally loaded low emissivity layer system used for glass window panes in buildings and vehicles comprises silver functional layer, metal nitride layer, sacrificial metal layer, dielectric base layer and reflection-reducing covering layer
CN2721633Y (en) * 2004-08-20 2005-08-31 格兰特工程玻璃(中山)有限公司 Low radiative film-coated glass of special film system
CN200958077Y (en) * 2006-10-19 2007-10-10 林嘉宏 Low-radiant strengthened film-coating glass

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101654334B (en) * 2009-05-31 2011-11-30 江苏蓝星玻璃有限公司 Off-line pale green low radiation coated glass and preparation method
CN102173600A (en) * 2011-01-20 2011-09-07 南京宇天玻璃有限公司 Silver blue glass and preparation technique thereof
CN102173601A (en) * 2011-01-20 2011-09-07 南京宇天玻璃有限公司 Superhard temperable low-emissivity glass and manufacturing process thereof
CN102173600B (en) * 2011-01-20 2013-03-27 南京宇天玻璃有限公司 Silver blue glass and preparation technique thereof
CN102173601B (en) * 2011-01-20 2013-03-27 南京宇天玻璃有限公司 Superhard temperable low-emissivity glass and manufacturing process thereof
CN102219396A (en) * 2011-04-12 2011-10-19 成都南玻玻璃有限公司 Temperable gold low-emissivity coated glass and manufacturing method thereof
CN102615877A (en) * 2012-03-29 2012-08-01 江苏奥蓝工程玻璃有限公司 Low-radiation coated glass capable of being toughened off line and production method thereof
CN102615877B (en) * 2012-03-29 2015-06-10 江苏奥蓝工程玻璃有限公司 Low-radiation coated glass capable of being toughened off line and production method thereof
CN105518080A (en) * 2013-09-02 2016-04-20 乐金华奥斯有限公司 Low-emissivity coating and construction material for window and door including same
CN103481596A (en) * 2013-10-08 2014-01-01 成都南玻玻璃有限公司 Temperable blue low radiation energy-saving glass
CN103771726A (en) * 2013-12-21 2014-05-07 揭阳市宏光镀膜玻璃有限公司 Production method of low-emissivity glass

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Address after: Joaquin Avenue in Qingbaijiang District of Chengdu city of Sichuan Province in 610000 section of No. 501

Patentee after: Lin Jiahong

Address before: Joaquin Avenue in Qingbaijiang District of Chengdu city of Sichuan Province in 610000 section of No. 501

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Contract record no.: 2012990000094

Denomination of invention: Low radiation coated glass capable of being toughened and its production process

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