CN114213038A - Temperable low-emissivity coated glass and process - Google Patents
Temperable low-emissivity coated glass and process Download PDFInfo
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- CN114213038A CN114213038A CN202210035197.7A CN202210035197A CN114213038A CN 114213038 A CN114213038 A CN 114213038A CN 202210035197 A CN202210035197 A CN 202210035197A CN 114213038 A CN114213038 A CN 114213038A
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- 239000011521 glass Substances 0.000 title claims abstract description 119
- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000008569 process Effects 0.000 title claims abstract description 29
- 239000010410 layer Substances 0.000 claims abstract description 97
- 239000000758 substrate Substances 0.000 claims abstract description 30
- 239000011241 protective layer Substances 0.000 claims abstract description 26
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 10
- 239000005083 Zinc sulfide Substances 0.000 claims abstract description 10
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052984 zinc sulfide Inorganic materials 0.000 claims abstract description 10
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims abstract description 10
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 87
- 239000011248 coating agent Substances 0.000 claims description 37
- 238000000576 coating method Methods 0.000 claims description 37
- 238000007598 dipping method Methods 0.000 claims description 22
- 229910018487 Ni—Cr Inorganic materials 0.000 claims description 7
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 7
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- -1 silver ions Chemical class 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005496 tempering Methods 0.000 abstract description 11
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 5
- 241000894006 Bacteria Species 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 239000004593 Epoxy Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000003628 erosive effect Effects 0.000 abstract 1
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 53
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000003385 bacteriostatic effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
Images
Classifications
-
- 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
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3649—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer made of metals other than silver
-
- 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
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3626—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer one layer at least containing a nitride, oxynitride, boronitride or carbonitride
-
- 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
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3628—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer one layer at least containing a sulfide
-
- 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
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3657—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the multilayer coating having optical properties
- C03C17/366—Low-emissivity or solar control coatings
-
- 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
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/38—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal at least one coating being a coating of an organic material
-
- 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
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/78—Coatings specially designed to be durable, e.g. scratch-resistant
-
- 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
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
- C03C2218/111—Deposition methods from solutions or suspensions by dipping, immersion
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The invention discloses a temperable low-emissivity coated glass and a process, and the temperable low-emissivity coated glass comprises a glass substrate, wherein the surface of the glass substrate is sequentially plated with a first dielectric layer, a first protective layer, a bacterium inhibiting layer, a second protective layer, a pressure-resistant layer, a filter layer and a second dielectric layer from inside to outside. This but tempering low-emissivity coated glass and technology, through set up the silicon nitride rete in inside and outside both sides, better ductility has, corrosion resistance, stable performance in tempering course of working, through silver ion layer, can make glass surface bacterium decomposed, make whole certain antibacterial effect that possesses, and simultaneously, set up the zinc sulfide layer, the transmissivity changes for a short time around the tempering, make but tempering low-emissivity coated glass easily improve visible light transmissivity and strengthen the chemical resistance erosion performance, make whole glass can be more shockproof through the epoxy layer again, improve glass's resistance, the product rate of processing of deep-processing glass has been improved greatly.
Description
Technical Field
The invention relates to the technical field of glass, in particular to temperable low-emissivity coated glass and a process thereof.
Background
The coated glass is also called as reflecting glass, and the coated glass is formed by coating one or more layers of metal, alloy or metal compound films on the surface of the glass so as to change the optical performance of the glass and meet certain specific requirements.
The prior toughened coated glass has stronger light transmission in use, is not beneficial to meeting the effect of reducing radiation, has relatively lower resistance on the surface of the glass, and is not beneficial to prolonging the service life of the glass.
The production method of the low-emissivity coated glass mainly comprises a vacuum magnetron sputtering method, a vacuum evaporation method, a chemical vapor deposition method, a solution gel method and the like, wherein the solution gel method is also called a double-sided coating dipping method, is a method for dipping the glass in a chemical solution to form a layer of film on the surface of the glass by the chemical solution, can simultaneously coat films on two sides of the glass, and has high working efficiency, but the production process is discontinuous and consumes long time in the process of manufacturing the low-emissivity coated glass by using the dipping method.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the temperable low-radiation coated glass and the process thereof, and solves the problems that the prior coated glass has stronger light transmission in use, is not beneficial to meeting the effect of reducing radiation, has relatively lower resistance on the surface of the glass, is not beneficial to prolonging the service life of the glass, and has discontinuous production procedures and long time consumption in the process of manufacturing the low-radiation coated glass by using an immersion method.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a but tempering low-emissivity coated glass and technology, includes the glass substrate, the surface of glass substrate has plated first dielectric layer from inside to outside in proper order, first protective layer, antibacterial layer, second protective layer, withstand voltage layer, filter layer and second dielectric layer, first dielectric layer and second dielectric layer are the silicon nitride rete, and the thickness of first dielectric layer and second dielectric layer is 30-55nm, first protective layer and second protective layer are the nickel chromium rete, and the thickness of first protective layer and second protective layer is 5-8nm, antibacterial layer is the silver ion layer, and the thickness of antibacterial layer is 10-16nm, the withstand voltage layer is the epoxy layer, and the thickness of withstand voltage layer is 15-20nm, the filter layer is the zinc sulfide layer, and the thickness of filter layer is 4-6 nm.
A process for toughening low-emissivity coated glass specifically comprises the following steps:
step one, glass pretreatment
Cleaning dust and oil stains adhered to the surface of the glass by using deionized water, and drying after cleaning;
step two, preparing coating liquid
According to the weight percentage: respectively preparing different coating base solutions from silicon nitride, nickel chromium, silver ions, epoxy resin and zinc sulfide according to 25-35% by mixing with 3-5% of an additive, 1-2% of an activating agent and 55-75% of a solvent;
step three, glass dipping coating
Putting a glass substrate into dipping equipment to dip and coat the glass, wherein the dipping equipment drives the glass substrate to rotate to intermittently stir the solution in the process so as to prevent the solution from generating precipitation;
step four, coating film ending treatment
And taking out the glass substrate from the dipping equipment, airing, and then uniformly transferring to a specified position for collection.
Preferably, the dipping equipment mentioned in the third step comprises a conveying chassis and a glass clamping frame, wherein the front side and the rear side of the upper part of the conveying chassis are fixedly connected with transmission boxes, the transmission box is arranged in two groups, a transmission groove rail is arranged on one side, opposite to the transmission box, of the transmission box and is of a wave curve structure, the upper part of the glass clamping frame is rotatably connected with a conveying rotating shaft, two ends of the conveying rotating shaft are fixedly connected with limit sliders, and the limit sliders are in sliding connection with the transmission groove rails.
Preferably, the driving assembly is arranged on the inner side of the transmission case and comprises a servo motor and a plurality of groups of driving discs, the driving discs are rotatably connected with the inner side of the transmission case, and the axis ends of the driving discs are positioned at the circle center of the wave curve of the transmission grooved rail.
Preferably, a transmission groove is formed in one side of the driving disc, the transmission grooves of the driving disc are opposite or back to back, a transmission block is fixedly connected to one end, far away from the transmission rotating shaft, of the limiting sliding block, and the transmission groove is clamped on the outer side of the transmission block.
Preferably, one side of the multiple groups of driving discs is fixedly connected with gears, the multiple groups of gears are in meshing transmission, the servo motor is fixedly connected with the left side of the front group of transmission case, and the output end of the servo motor penetrates through the inner side of the transmission case and is fixedly connected with the rotating shaft end of one group of gears.
Preferably, the middle part of the conveying underframe is fixedly connected with a bearing plate, and the upper part of the bearing plate is movably connected with a solution tank.
Preferably, the interior of the solution tank is divided into a plurality of groups of solution cavities by inverted V-shaped partition plates, and the interior of the solution tank is used for containing a plurality of different coating solutions.
Advantageous effects
The invention provides temperable low-emissivity coated glass and a process. Compared with the prior art, the method has the following beneficial effects:
(1) the temperable low-radiation coated glass and the process have the advantages that the first dielectric layer, the first protective layer, the antibacterial layer, the second protective layer, the pressure-resistant layer, the filter layer and the second dielectric layer are sequentially plated on the surface of the glass substrate from inside to outside, the first dielectric layer and the second dielectric layer are silicon nitride film layers, the first protective layer and the second protective layer are nickel-chromium films, the antibacterial layer is a silver ion layer, the pressure-resistant layer is an epoxy resin layer, the filter layer is a zinc sulfide layer, the silicon nitride film layers are arranged on the inner side and the outer side of the glass substrate, the temperable low-radiation coated glass has better ductility and corrosion resistance, the performance is stable in the tempering processing process, bacteria on the surface of the glass can be decomposed through the silver ion layer, the whole temperable low-radiation coated glass has a certain bacteriostasis effect, meanwhile, the zinc sulfide layer is arranged, the change of the permeability before and after tempering is small, so that the visible light transmittance is easy to improve and the chemical corrosion resistance can be enhanced, and the whole glass can be more shockproof through the epoxy resin layer, the resistance of the glass is improved, and the processing yield of the deep processing glass is greatly improved.
(2) The temperable low-radiation coated glass and the process thereof, the transmission grooved rail is of a wavy curve structure, the upper part of a glass clamping frame is rotatably connected with a transmission rotating shaft, two ends of the transmission rotating shaft are fixedly connected with limit sliders, the limit sliders are slidably connected with the transmission grooved rail, the axis end of a driving disc is positioned at the circle center of the wavy curve of the transmission grooved rail, the transmission grooves are clamped at the outer side of a transmission block, a plurality of groups of gears are in meshing transmission, a servo motor is fixedly connected with the left side of a group of transmission box at the front part, the output end of the servo motor penetrates through the inner side of the transmission box and is fixedly connected with the rotating shaft end of one group of gears, the servo motor is used for driving the gears to rotate, the plurality of groups of gears are in mutual meshing transmission to drive the driving disc to rotate, so that the glass clamping frame runs along the track of the transmission grooved rail, and the defects of discontinuous processes and long time consumption in the prior art are overcome, can realize full-automatic and high-stability production of various stock solution dipping coating films.
(3) But this tempering low-emissivity coated glass and technology, through the middle part fixedly connected with loading board at the conveying chassis, and the upper portion swing joint of loading board has the solution tank, the inside of solution tank is separated for multiunit solution chamber through the type of falling V baffle, and the inside of solution tank is used for adorning the coating film solution that covers multiple difference, through setting up the type of falling V baffle, make the glass substrate with one deck coating film solution when shifting out the solution tank that contains coating film solution, unnecessary coating film solution on the glass substrate with one deck coating film solution drops at type of falling V baffle department, and fall back to the solution intracavity, avoid mixing between the coating film base liquid of different compositions, influence finished product coated glass's characteristic, thereby reduce coated glass's qualification rate.
Drawings
FIG. 1 is an exploded view of a glass substrate according to the present invention;
FIG. 2 is a left side sectional view showing the structure of the dipping apparatus of the present invention;
FIG. 3 is a front view of the structure of the impregnation apparatus of the present invention;
FIG. 4 is a first structural sectional view of the impregnation apparatus of the present invention;
FIG. 5 is a sectional view showing the structure of the dipping apparatus according to the second embodiment of the present invention;
fig. 6 is a structural sectional view three of the impregnation apparatus of the present invention.
In the figure: 1. a glass substrate; 2. a first dielectric layer; 3. a first protective layer; 4. a bacteriostatic layer; 5. a second protective layer; 6. a pressure-resistant layer; 7. a filter layer; 8. a second dielectric layer; 9. a transfer chassis; 91. a carrier plate; 92. a solution tank; 93. an inverted V-shaped baffle plate; 94. a solution chamber; 10. a transmission case; 101. a transmission grooved rail; 11. a glass holding frame; 12. a transmission rotating shaft; 121. a limiting slide block; 122. a transmission block; 13. a drive assembly; 131. a servo motor; 132. a drive disc; 133. a transmission groove; 134. a gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a temperable low-radiation coated glass and a process thereof, which comprises a glass substrate 1, wherein the surface of the glass substrate 1 is sequentially plated with a first dielectric layer 2, a first protective layer 3, a bacteriostatic layer 4, a second protective layer 5, a pressure-resistant layer 6, a filter layer 7 and a second dielectric layer 8 from inside to outside, the first dielectric layer 2 and the second dielectric layer 8 are silicon nitride film layers, the thicknesses of the first dielectric layer 2 and the second dielectric layer 8 are both 30-55nm, the thicknesses of the first protective layer 3 and the second protective layer 5 are both nickel-chromium film layers, the thicknesses of the first protective layer 3 and the second protective layer 5 are both 5-8nm, the bacteriostatic layer 4 is a silver ion layer, the thickness of the bacteriostatic layer 4 is 10-16nm, the pressure-resistant layer 6 is an epoxy resin layer, the thickness of the pressure-resistant layer 6 is 15-20nm, the filter layer 7 is a zinc sulfide layer, the thickness of the filter layer 7 is 4-6nm, and silicon nitride film layers are arranged on the inner side and the outer side, have better ductility, corrosion resistance, stable performance in the tempering course of working, through silver ion layer, can make glass surface bacterium decomposed, make whole possess certain antibacterial effect, and simultaneously, set up the zinc sulfide layer, the transmissivity changes for a short time around the tempering, make but tempering low-emissivity coated glass easily improve visible light transmission rate and strengthen the resistant chemical attack performance, make shockproof more that whole glass can through the epoxy layer again, improve glass's resistance, the product rate of processing of deep-processing glass has been improved greatly.
A process for toughening low-emissivity coated glass specifically comprises the following steps:
step one, glass pretreatment
Cleaning dust and oil stains adhered to the surface of the glass by using deionized water, and drying after cleaning;
step two, preparing coating liquid
According to the weight percentage: respectively preparing different coating base solutions from silicon nitride, nickel chromium, silver ions, epoxy resin and zinc sulfide according to 25-35% by mixing with 3-5% of an additive, 1-2% of an activating agent and 55-75% of a solvent;
step three, glass dipping coating
Putting the glass substrate 1 into dipping equipment to dip and coat the glass, wherein the dipping equipment drives the glass substrate 1 to rotate to intermittently stir the solution in the process so as to prevent the solution from generating precipitation;
step four, coating film ending treatment
The glass substrate 1 is taken out from the dipping apparatus and dried, and then collectively transported to a designated position for collection.
Referring to fig. 2-6, the dipping apparatus mentioned in the third step comprises a conveying bottom frame 9 and a glass holding frame 11, wherein the middle part of the conveying bottom frame 9 is fixedly connected with a bearing plate 91, the upper part of the bearing plate 91 is movably connected with a solution tank 92, the interior of the solution tank 92 is divided into a plurality of groups of solution cavities 94 by an inverted V-shaped partition plate 93, and the interior of the solution tank 92 is used for containing a plurality of different coating solutions, through the inverted V-shaped partition plate 93, when the glass substrate 1 with a layer of coating solution is moved out of the solution tank 92 containing the coating solution, the redundant coating solution on the glass substrate 1 with a layer of coating solution drops on the inverted V-shaped partition plate 93 and drops back into the solution cavities 94, thereby avoiding mixing of coating base solutions with different components and affecting the characteristics of the finished coated glass, thereby reducing the qualification rate of the coated glass, the front and back sides and the back sides of the upper part of the conveying bottom frame 9 are fixedly connected with transmission boxes 10, the opposite sides of the two groups of transmission boxes 10 are both provided with transmission groove rails 101, the transmission groove rails 101 are in a wavy curve structure, the upper part of the glass clamping frame 11 is rotatably connected with a transmission rotating shaft 12, two ends of the transmission rotating shaft 12 are fixedly connected with limit sliders 121, the limit sliders 121 are slidably connected with the transmission groove rails 101, the inner side of the transmission box 10 is provided with a driving assembly 13, the driving assembly 13 comprises a servo motor 131 and a plurality of groups of driving disks 132, the driving disks 132 are rotatably connected with the inner side of the transmission box 10, the axial center ends of the driving disks 132 are positioned at the center of the wavy curve of the transmission groove rails 101, one sides of the driving disks 132 are provided with transmission grooves 133, the transmission grooves 133 of the driving disks 132 are opposite or back to each other, one end of the limit sliders 121 far away from the transmission rotating shaft 12 is fixedly connected with a transmission block 122, the transmission grooves 133 are clamped at the outer sides of the transmission blocks 122, one sides of the plurality of the groups of the driving disks 132 are fixedly connected with gears 134, and multiple groups of gears 134 are in meshing transmission, the servo motor 131 is fixedly connected with the left side of the front group of transmission case 10, the output end of the servo motor 131 penetrates through the inner side of the transmission case 10 and is fixedly connected with the rotating shaft end of one group of gears 134, the gears 134 are driven to rotate by the servo motor 131, the multiple groups of gears 134 are in meshing transmission with each other to drive the driving disc 132 to rotate, so that the glass clamping frame 11 runs along the track of the transmission groove rail 101, the defects of incoherent working procedures and long time consumption in the prior art are overcome, and full-automatic and high-stability production of multiple stock solution dip coating films can be realized.
And those not described in detail in this specification are well within the skill of those in the art.
When the dipping device is used, the glass substrate 1 after being processed is clamped and fixed by the glass clamping frame 11, then the servo motor 131 is controlled to drive the gears 134 to rotate, a plurality of groups of gears 134 are in meshing transmission to drive the driving discs 132 to rotate, in the rotating process of the driving discs 132, the transmission grooves 133 drive the limiting slide blocks 121 connected with the transmission blocks 122 to move along the transmission grooved rails 101, when the driving discs 132 rotate to the middle gradient of the transmission grooved rails 101, the transmission grooves 133 of the other group of driving discs 132 are clamped on the outer sides of the transmission blocks 122 and drive the transmission blocks 122 to move to the bottommost ends of the transmission grooved rails 101, so that the glass substrate 1 clamped by the glass clamping frame 11 is moved into the solution tank 92 filled with the coating solution, after the first group of coating solution is dipped, the servo motor 131 drives the glass clamping frame 11 to move along the track of the transmission grooved rails 101, so that the glass substrate 1 clamped by the glass clamping frame 11 enters the next group of solution tank 92 filled with the coating solution, in the operation process, the glass holding frame 11 and the transmission rotating shaft 12 rotate, the glass holding frame 11 always keeps the vertical downward effect according to the self gravity, and meanwhile, the inverted V-shaped partition plate 93 is arranged, so that when the glass substrate 1 attached with a layer of coating solution moves out of the solution tank 92 containing the coating solution, the redundant coating solution on the glass substrate 1 attached with a layer of coating solution drops on the inverted V-shaped partition plate 93 and falls back into the solution chamber 94.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A temperable low-emissivity coated glass comprises a glass substrate (1), and is characterized in that: the surface of the glass substrate (1) is sequentially plated with a first dielectric layer (2) from inside to outside, the first protective layer (3), a bacteriostasis layer (4), a second protective layer (5), a pressure resistance layer (6), a filter layer (7) and a second dielectric layer (8) are silicon nitride film layers, the thicknesses of the first dielectric layer (2) and the second dielectric layer (8) are both 30-55nm, the first protective layer (3) and the second protective layer (5) are nickel-chromium film layers, the thicknesses of the first protective layer (3) and the second protective layer (5) are both 5-8nm, the bacteriostasis layer (4) is a silver ion layer, the thickness of the bacteriostasis layer (4) is 10-16nm, the pressure resistance layer (6) is an epoxy resin layer, the thickness of the pressure resistance layer (6) is 15-20nm, the filter layer (7) is a zinc sulfide layer, and the thickness of the filter layer (7) is 4-6 nm.
2. A process for toughening low-emissivity coated glass is characterized by comprising the following steps:
step one, glass pretreatment
Cleaning dust and oil stains adhered to the surface of the glass by using deionized water, and drying after cleaning;
step two, preparing coating liquid
According to the weight percentage: respectively preparing different coating base solutions from silicon nitride, nickel chromium, silver ions, epoxy resin and zinc sulfide according to 25-35% by mixing with 3-5% of an additive, 1-2% of an activating agent and 55-75% of a solvent;
step three, glass dipping coating
The glass substrate (1) is placed into a dipping device to dip and coat the glass, and the dipping device drives the glass substrate (1) to rotate to intermittently stir the solution in the process so as to prevent the solution from generating precipitation.
Step four, coating film ending treatment
And taking the glass substrate (1) out of the dipping equipment, airing, and then uniformly transporting to a specified position for collection.
3. The process of claim 2, wherein the low emissivity coated glass is tempered with: the dipping equipment mentioned in the third step comprises a conveying chassis (9) and a glass clamping frame (11), wherein transmission cases (10) are fixedly connected to the front side and the rear side of the upper portion of the conveying chassis (9) respectively, the transmission groove rails (101) are arranged on the opposite sides of the transmission cases (10), the transmission groove rails (101) are of a wave curve structure, the upper portion of the glass clamping frame (11) is rotatably connected with a conveying rotating shaft (12), limiting sliding blocks (121) are fixedly connected to the two ends of the conveying rotating shaft (12), and the limiting sliding blocks (121) are connected with the transmission groove rails (101) in a sliding mode.
4. The process of claim 3, wherein the low emissivity coated glass is tempered with: the inner side of the transmission case (10) is provided with a driving assembly (13), the driving assembly (13) comprises a servo motor (131) and a plurality of groups of driving discs (132), the driving discs (132) are rotatably connected with the inner side of the transmission case (10), and the axis ends of the driving discs (132) are positioned at the circle center of a wave curve of the transmission groove rail (101).
5. The process of claim 4, wherein the low emissivity coated glass is tempered with: one side of the driving disc (132) is provided with a transmission groove (133), the transmission grooves (133) of the driving disc (132) are opposite or back to each other, one end, far away from the transmission rotating shaft (12), of the limiting slide block (121) is fixedly connected with a transmission block (122), and the transmission grooves (133) are clamped on the outer side of the transmission block (122).
6. The process of claim 4, wherein the low emissivity coated glass is tempered with: the equal fixedly connected with gear (134) of one side of multiunit driving-disc (132), and meshing transmission between multiunit gear (134), servo motor (131) and the left side fixed connection of a set of transmission case (10) in front, and the output of servo motor (131) run through in the inboard of transmission case (10) and with the axis of rotation fixed connection of a set of gear (134) wherein.
7. The process of claim 3, wherein the low emissivity coated glass is tempered with: the middle part of the conveying underframe (9) is fixedly connected with a bearing plate (91), and the upper part of the bearing plate (91) is movably connected with a solution tank (92).
8. The process of claim 7, wherein the low emissivity coated glass is tempered with: the interior of the solution tank (92) is divided into a plurality of groups of solution cavities (94) by inverted V-shaped partition plates (93), and the interior of the solution tank (92) is used for coating various different coating solutions.
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| CN202210035197.7A CN114213038A (en) | 2022-01-13 | 2022-01-13 | Temperable low-emissivity coated glass and process |
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| CN202210035197.7A CN114213038A (en) | 2022-01-13 | 2022-01-13 | Temperable low-emissivity coated glass and process |
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