CN218665789U - Coated glass with protective layer - Google Patents
Coated glass with protective layer Download PDFInfo
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- CN218665789U CN218665789U CN202222855826.9U CN202222855826U CN218665789U CN 218665789 U CN218665789 U CN 218665789U CN 202222855826 U CN202222855826 U CN 202222855826U CN 218665789 U CN218665789 U CN 218665789U
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Abstract
The utility model provides coated glass with a protective layer, which belongs to the technical field of glass deep processing; a coated glass with a protective layer comprises a glass substrate layer, a coated layer and a protective layer, wherein the coated layer is positioned between the glass substrate layer and the protective layer; the film coating layer is compounded with five film layers from the glass substrate layer to the outside in sequence, wherein the first layer is a first medium layer, and the film coating thickness is 20-50 nanometers; the second layer is a first barrier layer, and the thickness of the plated film is 25-45 nanometers; the third layer is a low-radiation functional layer, and the thickness of a coating film is 5-10 nanometers; the fourth layer is a second barrier layer, and the thickness of the plated film is 3-16 nanometers. The fifth layer is a second medium layer, and the thickness of the plated film is 18-30 nanometers; the thickness of the protective layer is 3.5-5 microns. The utility model discloses glass utensil oxidation resistance is strong, prevent advantages such as fish tail performance is good.
Description
Technical Field
The utility model belongs to the technical field of glass intensive processing, concretely relates to coated glass with protective layer.
Background
The coated glass is also called as reflecting glass, and is glass with one or several layers of film coated on the surface, and the coating may be metal, alloy or metal compound. Most coated glass has general insufficient processability, and the quality defect of the glass caused by various inevitable process, equipment and environmental changes in the deep processing process of complex glass is difficult to overcome. In addition, compared with non-steel products, the toughened product has many disadvantages, the processing conditions, the experience of workers, the equipment state and the like are required to be higher by the film-carrying processing, the qualified product with high yield is difficult to process under the condition that the replacement speed of the workers is high, the hardness and the compactness of the film layer of the toughened coated glass have limitations, the coated glass is easy to scratch by a brush of a cleaning machine in the deep processing process, and the sweat on the hands of staff, the oxygen in the air and the like react with the metal layer of the coated glass to cause oxidation and change the appearance color of the coated glass and the energy-saving effect.
In the prior art, before the coated glass is subjected to subsequent processing, isolating powder is often scattered on the surface of the coated glass or an electrostatic film is laid on the surface of the coated glass so as to separate the glass from the glass and prevent the glass from being scratched and rubbed during stacking and transferring. However, these means are not only difficult to ensure that the glass surface is not scratched, but also require removal of the auxiliary spacers before subsequent processing, which complicates the steps and increases the cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem that exists to current technique, provide a coated glass with protective layer and preparation method thereof, the utility model aims to solve the technical problem how form one deck protection film layer outside the coating layer through wet chemical coating mode, make this coated glass's anti-oxidant and prevent that the fish tail performance obtains responding to the promotion, satisfy the demand that coated glass continues intensive processing.
The purpose of the utility model can be realized by the following technical proposal: the coated glass with the protective layer is characterized by comprising a glass substrate layer, a coated layer and a protective layer, wherein the coated layer is positioned between the glass substrate layer and the protective layer; the coating layer is compounded with five film layers from the glass substrate layer to the outside in sequence, wherein the first layer is a first dielectric layer, and the coating thickness is 20-50 nanometers; the second layer is a first barrier layer, and the thickness of the plated film is 25-45 nanometers; the third layer is a low-radiation functional layer, and the thickness of a coating film is 5-10 nanometers; the fourth layer is a second barrier layer, and the thickness of the plated film is 3-16 nanometers. The fifth layer is a second medium layer, and the thickness of the plated film is 18-30 nanometers; the thickness of the protective layer is 3.5-5 microns.
Preferably, the first layer is a silicon nitride layer, the second layer is a nichrome layer, the third layer is a silver layer, the fourth layer is a nichrome layer, and the fifth layer is a silicon oxide layer.
Preferably, the composition of the protective layer comprises: 47 to 55 percent of urethane acrylate prepolymer, 2.9 to 3.8 percent of 1-hydroxycyclohexyl phenyl ketone, 0.9 to 1.8 percent of organosilicon surfactant and 36 to 41 percent of propylene glycol methyl ether.
The utility model discloses glass is at the development in-process, and we have carried out the experiment repeatedly to the material and the thickness of each rete, especially push away repeatedly functions such as organic protection film layer compactness, hardness, adhesive force, high temperature volatility and strike, can make this kind of coated glass rete have anti-oxidant, prevent fish tail, resistant machinability.
In the above coated glass with a protective layer, the preparation method comprises the following steps:
(1) Slicing: selecting a glass original sheet, and cutting the glass original sheet according to production requirements;
(2) Grinding and washing: edging the glass sheet and cleaning the glass sheet;
(3) Magnetron sputtering coating: sending the ground and washed glass sheet into a magnetron sputtering coating production line for coating, wherein the parameters of the specific steps are as follows:
A. magnetron sputtering of the first layer:
the number of the targets is as follows: 2-4 alternating current rotating targets; the target material is configured as silicon oxide; the process gas proportion is as follows: argon and nitrogen, and the proportion range of argon and nitrogen is as follows: 1.12 to 1.32; sputtering pressure of 2-3.2X 10 -3 mbar；
B. Magnetron sputtering the second layer:
the number of the targets is as follows: 5-8 alternating current rotating targets; the target material is configured to be nickel-chromium alloy; the process gas proportion is as follows: argon and oxygen, wherein the ratio of argon to oxygen ranges from 0.5 to 0.8; the sputtering pressure is 1.5-2.5 multiplied by 10 -3 mbar；
C. Magnetron sputtering the third layer:
the number of the targets is as follows: 1 direct current plane target; the target material is configured as silver; the process gas proportion is as follows: pure argon gas; the sputtering pressure is 1.8-2.8 multiplied by 10 -3 mbar；
D. Magnetron sputtering the fourth layer:
the number of the targets is as follows: 1-2 alternating current rotating targets; the target material is configured to be nickel-chromium alloy; the process gas proportion is as follows: argon and nitrogen, wherein the ratio of argon to oxygen is 0.5-0.8; the sputtering pressure is 1.5-2.5 multiplied by 10 -3 mbar；
F, magnetron sputtering a fifth layer:
the number of the targets is as follows: 2-4 alternating current rotating targets; the target material is configured as silicon oxide; the process gas proportion is as follows: argon and nitrogen, and the proportion range of argon and nitrogen is as follows: 1.12 to 1.32; sputtering pressure of 2-3.2X 10 -3 mbar；
The thickness of the total film layer is controlled to be 80-140 nm, and the transmission running speed of a common sputtering chamber is controlled to be 2.5-4.2 m/min;
(4) Preparing a protective solution: taking a proper amount of polyurethane acrylate prepolymer, 1-hydroxycyclohexyl phenyl ketone, an organosilicon surfactant and propylene glycol monomethyl ether according to the proportion, and fully mixing and stirring to prepare a protective solution;
(5) Setting parameters of the roller coater: height of the roller coating roller: the bottommost end of the roller coating roller is shorter than the thickness of the glass by one millimeter; the rotating speed of the roller coating roller is as follows: 500-650 r/min, glass running speed: 7.5-8.5 m/min; roller coating cavity air inlet speed: 1.2-2.5 m/s, roller coating cavity air draft speed: 1.6-2.8 m/s;
(6) Roller coating of protective liquid: the prepared protection liquid is filled into a charging bucket, the automatic protection liquid is sent to a roller coating roller by a pipeline on a roller coater, after coated glass is conveyed to the lower part of the roller coating roller, the roller coating roller can uniformly coat the protection liquid on the interface of low-e glass, and intermolecular acting force is initially formed after the protection liquid is contacted with the glass interface; after the protective liquid is contacted with the glass interface, the protective liquid can quickly pass through a protective film layer which is uniform, full-page, compact and firm due to better leveling property of the material;
(7) Curing the protective layer: after the roller coating of the protective solution is finished, the coated glass can be directly put into a curing oven to finish the curing of the protective layer, the temperature of the curing oven is controlled to be 80-100 ℃, and the curing time is 5-10 minutes;
(8) Cooling glass: and (3) after the glass is solidified, enabling the glass to enter a fan section, wherein the height of the air grid is +/-8 according to the thickness of the glass, and the maximum power of the blowing power control of the fan is as follows: 25 to 40 percent;
(9) UV treatment: and (3) debugging the number of UV (ultraviolet) starting mercury lamps according to the glass layout, wherein the number of each group of mercury lamps is 12, the maximum power of each mercury lamp is 12KW, and the film surface radiation energy of each area needs to be ensured to be 600-1000 mj in order to ensure the sufficient curing of the protective film. The Low-e glass passes through a protective layer on the surface of the UV furnace glass, is irradiated by ultraviolet rays and then undergoes a polymerization crosslinking reaction to form a dense film layer with certain hardness, and a covalent bond is formed with a Low-e interface, so that a protective film is formed above the film coating layer.
The utility model discloses the advantage:
the utility model discloses can form the one deck in Low-e glass surface and have certain hardness, fine and close protection film, it can prevent Low-e membrane oxidation, improve glass the time of depositing. The film surface of the Low-e large plate is cut and ground, and the film surface is scratched and oxidized due to the fact that equipment and environment in the processing process are complex and humid, and the machinability of the Low-e large plate can be greatly improved and the cost rate of the Low-e large plate can be improved by coating an organic protective layer with certain hardness and adhesion on the film surface in a roller coating mode.
Drawings
FIG. 1 is a schematic view of the layered structure of the present coated glass.
FIG. 2 is a flow chart of the preparation of the coated glass.
In the figure, G, a glass substrate layer; 1. a first layer; 2. a second layer; 3. a third layer; 4. a fourth layer; 5. a fifth layer; 6. and a sixth layer.
Description of the preferred embodiment
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, a coated glass with a protective layer comprises a glass substrate layer G, a coated layer and a protective layer 6, wherein the coated layer is positioned between the glass substrate layer G and the protective layer 6; the coating layer is compounded with five film layers from the glass substrate layer G to the outside in sequence, wherein the first layer 1 is a first medium layer, and the coating thickness is 20-50 nanometers; the second layer 2 is a first barrier layer, and the thickness of the plated film is 25-45 nanometers; the third layer 3 is a low-radiation functional layer, and the thickness of a coating film is 5-10 nanometers; the fourth layer 4 is a second barrier layer, and the thickness of the plated film is 3-16 nanometers. The fifth layer 5 is a second medium layer, and the thickness of a plated film is 18-30 nanometers; the thickness of the protective layer 6 is 3.5 to 5 micrometers.
The first layer 1 is a silicon nitride layer, the second layer 2 is a nichrome layer, the third layer 3 is a silver layer, the fourth layer 4 is a nichrome layer, and the fifth layer 5 is a silicon oxide layer.
The composition of the protective layer 6 includes: 47 to 55 percent of urethane acrylate prepolymer, 2.9 to 3.8 percent of 1-hydroxycyclohexyl phenyl ketone, 0.9 to 1.8 percent of organosilicon surfactant and 36 to 41 percent of propylene glycol methyl ether. The urethane acrylate prepolymer can be selected from monofunctional and polyfunctional (meth) acrylates, such as methyl acrylate, ethyl acrylate, 1,4-butanediol acrylic di (meth) alcohol, vinyl dimethacrylate, and the like. The silicone surfactant can be selected from polydimethylsiloxane, polycyclomethicone, dimethyl siloxane, etc.
The utility model discloses glass is at the development in-process, and we have carried out the experiment repeatedly to the material and the thickness of each rete, especially push away repeatedly functions such as organic protection film layer compactness, hardness, adhesive force, high temperature volatility and strike, can make this kind of coated glass rete have anti-oxidant, prevent fish tail, resistant machinability.
In the above coated glass with a protective layer, the preparation method comprises the following steps:
(1) Slicing: selecting a glass sheet, and cutting the glass sheet according to production requirements;
(2) Grinding and washing: edging the glass sheet, and cleaning the glass sheet to obtain a glass substrate layer G;
(3) Magnetron sputtering coating: sending the ground and washed glass sheet into a magnetron sputtering coating production line for coating, wherein the parameters of the specific steps are as follows:
A. magnetron sputtering of the first layer 1:
the number of the targets is as follows: 2-4 alternating current rotary targets; the target material is configured as silicon oxide; the process gas proportion is as follows: argon and nitrogen, and the proportion range of argon and nitrogen is as follows: 1.12 to 1.32; sputtering pressure of 2-3.2X 10 -3 mbar；
B. Magnetron sputtering of the second layer 2:
the number of targets: 5-8 alternating current rotating targets; the target material is configured to be nickel-chromium alloy; the process gas proportion is as follows: argon and oxygen, wherein the ratio of argon to oxygen is in the range of 0.5-0.8; the sputtering pressure is 1.5-2.5 multiplied by 10 -3 mbar；
C. Magnetron sputtering of the third layer 3:
the number of the targets is as follows: 1 direct current plane target; the target material is configured to be silver; the process gas proportion is as follows: pure argon gas; the sputtering pressure is 1.8-2.8 multiplied by 10 -3 mbar；
D. Magnetron sputtering of the fourth layer 4:
the number of the targets is as follows: 1-2 alternating current rotary targets; the target material is configured to be nickel-chromium alloy; the process gas proportion is as follows: argon and nitrogen, wherein the proportion range of argon and oxygen is 0.5-0.8; the sputtering pressure is 1.5-2.5 multiplied by 10 -3 mbar；
F, magnetron sputtering of a fifth layer 5:
the number of targets: 2-4 alternating current rotating targets; the target material is configured as silicon oxide; the process gas proportion is as follows: argon and nitrogen, and the proportion range of argon and nitrogen is as follows: 1.12 to 1.32; sputtering pressure of 2-3.2X 10 -3 mbar；
The thickness of the total film layer is controlled to be 80-140 nm, and the transmission running speed of a common sputtering chamber is controlled to be 2.5-4.2 m/min;
(4) Preparing a protective solution: taking a proper amount of polyurethane acrylate prepolymer, 1-hydroxycyclohexyl phenyl ketone, an organosilicon surfactant and propylene glycol monomethyl ether according to the proportion, and fully mixing and stirring to prepare a protective solution;
(5) Setting parameters of a roller coater: height of the roller coating roller: the bottommost end of the roller coating roller is shorter than the thickness of the glass by one millimeter; the rotating speed of the roller coating roller is as follows: 500-650 r/min, glass running speed: 7.5-8.5 m/min; roller coating cavity air inlet speed: 1.2-2.5 m/s, roller coating cavity air draft speed: 1.6-2.8 m/s;
(6) Roller coating of protective liquid: the prepared protection liquid is filled into a charging bucket, the automatic protection liquid is sent to a roller coating roller by a pipeline on a roller coater, after coated glass is conveyed to the lower part of the roller coating roller, the roller coating roller can uniformly coat the protection liquid on the interface of low-e glass, and intermolecular acting force is initially formed after the protection liquid is contacted with the glass interface; after the protective liquid is contacted with the glass interface, the protective liquid can quickly pass through a protective film layer which is uniform, full-page, compact and firm due to better leveling property of the material;
(7) Curing the protective layer: after the roller coating of the protective solution is finished, the coated glass can be directly put into a curing oven to finish the curing of the protective layer 6, the temperature of the curing oven is controlled to be 80-100 ℃, and the curing time is 5-10 minutes;
(8) Cooling the glass: and (3) after the glass is solidified, enabling the glass to enter a fan section, wherein the height of the air grid is +/-8 according to the thickness of the glass, and the maximum power of the blowing power control of the fan is as follows: 25 to 40 percent;
(9) UV treatment: and (3) debugging the number of UV (ultraviolet) starting mercury lamps according to the glass surface, wherein each group of mercury lamps has 12 mercury lamps, the maximum power of each mercury lamp is 12KW, and the film surface radiation energy of each area needs to be ensured to be 600-1000 mj in order to ensure the sufficient curing of the protective film. The Low-e glass passes through the protective layer 6 on the glass surface of the UV furnace, and then is subjected to polymerization crosslinking reaction after being irradiated by ultraviolet rays to form a dense film layer with certain hardness, and a covalent bond is formed between the film layer and a Low-e interface, so that the protective layer 6 is formed above the film coating layer.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (2)
1. The coated glass with the protective layer is characterized by comprising a glass substrate layer (G), a coated layer and a protective layer (6), wherein the coated layer is positioned between the glass substrate layer (G) and the protective layer (6); the coating layer is compounded with five film layers from the glass substrate layer (G) to the outside in sequence, wherein the first layer (1) is a first dielectric layer, and the coating thickness is 20-50 nanometers; the second layer (2) is a first barrier layer, and the thickness of a plated film is 25-45 nanometers; the third layer (3) is a low-radiation functional layer, and the thickness of a coating film is 5-10 nanometers; the fourth layer (4) is a second barrier layer, and the thickness of the plated film is 3-16 nanometers; the fifth layer (5) is a second medium layer, and the thickness of the plated film is 18-30 nanometers; the thickness of the protective layer (6) is 3.5-5 microns.
2. The coated glass with a protective layer according to claim 1, wherein the first layer (1) is a silicon nitride layer, the second layer (2) is a nichrome layer, the third layer (3) is a silver layer, the fourth layer (4) is a nichrome layer, and the fifth layer (5) is a silicon oxide layer.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116282963A (en) * | 2022-10-28 | 2023-06-23 | 咸宁南玻节能玻璃有限公司 | Coated glass with protective layer and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116282963A (en) * | 2022-10-28 | 2023-06-23 | 咸宁南玻节能玻璃有限公司 | Coated glass with protective layer and preparation method thereof |
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