CN216513548U - Ultra-thick film surface laminated double-silver low-emissivity coated glass - Google Patents
Ultra-thick film surface laminated double-silver low-emissivity coated glass Download PDFInfo
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Abstract
The utility model provides a piece of ultra-thick film surface laminated double-silver low-emissivity coated glass, belonging to the technical field of magnetron sputtering coating; according to the utility model, the film coating layer in the film surface laminated glass is optimally designed, so that the color change is consistent after the laminating processing is finished, and meanwhile, the technological process of the film surface laminated glass is optimized, so that the problems of bubbles and adhesive failure can be solved; a piece of ultra-thick film face laminated double-silver Low-emissivity coated glass comprises a Low-E glass single sheet, a film and a common glass single sheet which are sequentially stacked together, wherein the Low-E glass single sheet comprises a glass substrate layer and a coating layer, and the coating layer is positioned between the glass substrate layer and the film; the film coating layer is compounded with thirteen film layers in sequence from the glass substrate layer to the film direction, the first layer and the second layer are first dielectric medium combination layers, the third layer is a low-radiation functional layer, and the fourth layer is a first blocking protective layer. The glass has the advantages of high transmittance, oxidation resistance, no need of hollowness, single-piece use and the like.
Description
Technical Field
The utility model belongs to the technical field of laminated glass processing, and particularly relates to laminated double-silver low-emissivity coated glass with an ultra-thick film surface.
Background
Laminated glass, also known as laminated glass, is a composite glass product formed by two or more pieces of glass, sandwiching one or more layers of organic polymer intermediate films between the two or more pieces of glass, and permanently bonding the glass and the intermediate films into a whole after special high-temperature prepressing (or vacuumizing) and high-temperature high-pressure processing. As the safety glass, after being crushed by impact, the safety glass does not generate sharp fragments to hurt people like the common glass after being crushed due to the bonding effect of the two common glass sheets with the adhesive sheet sandwiched therebetween. Meanwhile, the performance of sound insulation and sunlight control of the middle film of the building material enables the building material to become a novel building material with energy-saving and environment-friendly functions: the laminated glass can not only isolate the fitting noise of 1000 Hz-2000 Hz which can penetrate through common glass, but also can block more than 99% of ultraviolet rays and absorb heat in infrared spectrum. The laminated glass conforming to the performance of the novel building materials must play a great role in the use of safety glass.
The existing laminated glass is generally produced by adopting a mode of laminating firstly and then coating, so that the defects of color change, difficulty in consistency and the like after laminating are avoided. However, due to the limitation of coating equipment, the coating production cannot be completed for products with the thickness of more than 19mm, so that the processing mode of coating first and then laminating can be adopted for the ultra-thick laminated coated glass. For the doubling processing of the coated glass, two modes of film surface doubling and non-film surface doubling can be adopted for production, and the coating layer of the coated glass with the film surface doubling is sealed between two pieces of glass, so that the coating layer is isolated from the air, and the coated glass has strong oxidation resistance. However, in the processing process of the existing film surface laminated coated glass, the quality problems that the film layer can not be directly combined with the intermediate film, bubbles are easy to generate, the film is easy to open, and the like often occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide ultra-thick film surface laminated double-silver low-radiation coated glass and a preparation method thereof aiming at the problems in the prior art, and the technical problems to be solved by the utility model are how to optimize the coating layer in the film surface laminated glass to ensure that the color change of the laminated glass is consistent after the laminated glass is processed, and simultaneously, the technical process of the film surface laminated glass is optimized to overcome the problems of bubble and glue opening.
The purpose of the utility model can be realized by the following technical scheme: the laminated glass with the ultra-thick film surface and double silver layers is characterized by comprising a Low-E glass single sheet, a film and a common glass single sheet which are sequentially stacked together, wherein the Low-E glass single sheet comprises a glass substrate layer and a coating layer, and the coating layer is positioned between the glass substrate layer and the film; the coating film layer is compounded with thirteen film layers from the glass substrate layer to the film direction in sequence, the first layer and the second layer are first dielectric medium combined layers, the third layer is a low-radiation functional layer, the fourth layer is a first blocking protective layer, the fifth layer and the sixth layer are crystal bed dielectric layers, the seventh layer and the eighth layer are second dielectric medium combined layers, the ninth layer is a low-radiation functional layer, the tenth layer is a second blocking protective layer, the eleventh layer is a third blocking protective layer, and the twelfth layer and the thirteenth layer are oxygen-resistant and wear-resistant layers.
In the above ultra-thick film surface laminated double-silver low-emissivity coated glass, the first layer is silicon nitride (SiN)X) The thickness of the film layer is 20-40 nanometers; the second layer is zinc aluminum oxide (ZnAlO)X) The thickness of the film layer is 10-20 nanometers; the third layer is a silver (Ag) layer, and the thickness of the film layer is 1-4 nanometers; the fourth layer is an AZO layer, and the thickness of the film layer is 5-10 nanometers; the fifth layer is silicon nitride (SiN)X) The thickness of the film layer is 40-65 nanometers; the sixth layer is zinc tin oxide (ZnSnO)X) The thickness of the film layer is 10-20 nanometers; the seventh layer is zinc aluminum oxide (ZnAlO)X) The thickness of the film layer is 10-20 nanometers; the eighth layer is nickel chromium oxide (NiCrO)X) A layer, the thickness of the film layer is 0.2-0.5 nanometer; the ninth layer is a silver (Ag) layer, and the thickness of the film layer is 5-15 nanometers; the tenth layer is nickel chromium oxide (NiCrO)X) A layer, the thickness of the film layer is 0.2-1 nanometer; the eleventh layer is an AZO layer, and the thickness of the film layer is 1.0-1.3 nanometers; the twelfth layer is silicon nitride (SiN)X) The thickness of the film layer is 20-30 nanometers; the tenth layer is zirconium oxide (ZrO)X) The thickness of the layer and the film layer is 5-10 nanometers.
The film surface laminated glass is super-thick laminated glass, the thickness of a finished product is more than 20mm, so that the film surface laminated glass cannot be laminated firstly and then coated, and only can be laminated firstly and then laminated due to the limitation of coating equipment. After the glass is laminated, especially for the film surface laminating mode, the color of the laminated glass can be changed, the laminated color of the same LOW-E glass, the same film and the same common glass is difficult to be consistent, and the appearance color of the building glass is very important, so that the laminated glass is difficult to be sold on the market as a qualified product. The film surface laminated glass related by the utility model has the advantages that the film layer arrangement and the thickness are optimally designed, so that the color change is small and the consistency is high after the laminating processing.
A preparation method of double-silver low-emissivity coated glass with an ultra-thick film surface and a laminated adhesive is characterized by comprising the following steps:
(1) and preparing a Low-E glass original sheet, namely preparing a magnetron sputtering coating layer:
A. magnetron sputtering of the first layer:
the number of the targets is as follows: 3-4 alternating current rotary targets; the target material is configured to be silicon aluminum (SiAl); the process gas proportion is as follows: argon and nitrogen, wherein the ratio of argon to nitrogen is 1.3: 1; sputtering pressure of 3 to 5 × 10-3mbar；
B. Magnetron sputtering the second layer:
the number of the targets is as follows: 1-2 alternating current rotating targets; the target material is configured to be zinc aluminum (ZnAl); the process gas proportion is as follows: argon and oxygen in a ratio of 1:1.8, and sputtering pressure of 3-5 × 10-3mbar；
C. Magnetron sputtering the third layer:
the number of the targets is as follows: 1 direct current plane target; the target material is configured to be silver (Ag); the process gas proportion is as follows: pure argon gas; sputtering pressure of 2 to 3X 10-3mbar；
D. Magnetron sputtering the fourth layer:
the number of the targets is as follows: 1 alternating current rotating target; the target material is configured to AZO; process gas: pure argon gas, the sputtering pressure is 2-3 x 10-3mbar；
E. Performing magnetron sputtering on a fifth layer:
the number of the targets is as follows: 3-5 alternating current rotary targets; the target material is configured to be silicon aluminum (SiAl); process gas: argon and nitrogen, wherein the ratio of argon to nitrogen is 1.3: 1; sputtering pressure of 3 to 5 × 10-3mbar；
F. Magnetron sputtering a sixth layer:
the number of the targets is as follows: 1-2 alternating current rotating targets; the target material is configured to be zinc tin (ZnSn); the process gas proportion is as follows: argon and oxygen in a ratio of 1:2, and sputtering pressure of 3-5 × 10-3mbar；
G. Magnetron sputtering a seventh layer:
the number of the targets is as follows: 2-3 alternating current rotating targets; the target material is configured to be zinc aluminum (ZnAl); the process gas proportion is as follows: argon and oxygenThe ratio of gas, argon gas and oxygen gas is 1:2, and the sputtering pressure is 3-5 x 10-3mbar；
H. Magnetron sputtering an eighth layer:
the number of the targets is as follows: 1 direct current plane; the target material is configured to be nickel chromium (NiCr); the process gas proportion is as follows: argon and oxygen in a ratio of 1: 0.02; sputtering pressure of 2 to 3X 10-3mbar；
I. Magnetron sputtering the ninth layer:
the number of the targets is as follows: 1 direct current plane target; the target material is configured to be silver (Ag); the process gas proportion is as follows: pure argon gas, the sputtering pressure is 2-3 x 10-3mbar；
J. Magnetron sputtering the tenth layer:
the number of the targets is as follows: 1 direct current plane; the target material is configured to be nickel chromium (NiCr); the process gas proportion is as follows: argon and oxygen in a ratio of 1: 0.02; sputtering pressure of 2 to 3X 10-3mbar；
K. Magnetron sputtering the eleventh layer:
the number of the targets is as follows: 1 alternating current rotating target; the target material is configured to AZO; process gas: pure argon gas; sputtering pressure of 2 to 3X 10-3mbar；
L, magnetron sputtering a twelfth layer:
the number of the targets is as follows: 4-6 alternating-current rotating targets; the target material is configured to be silicon aluminum (SiAl); the process gas proportion is as follows: argon and nitrogen, wherein the ratio of argon to nitrogen is 1: 1.14; sputtering pressure of 3 to 5 × 10-3mbar；
M, magnetron sputtering a thirteenth layer:
the number of the targets is as follows: 1 alternating current rotating target; the target material is configured as zirconium (Zr); process gas: argon and oxygen, wherein the ratio of argon to oxygen is 1: 0.04; sputtering pressure of 3 to 5 × 10-3mbar；
The total thickness of the coating layer is controlled between 127 and 236nm, and the transmission speed of the sputtering chamber is controlled between 5.0 and 5.5 m/min;
(2) cutting glass and edging:
respectively cutting and edging the LOW-E glass sheet and the common glass sheet obtained in the step (1) to obtain a LOW-E glass single sheet and a common glass single sheet;
(3) and glass cleaning and drying:
respectively cleaning the LOW-E glass single sheet and the common glass single sheet obtained in the step (2) by using deionized water, and respectively drying the LOW-E glass single sheet, the film and the common glass single sheet to ensure that the water content of the film is required to be below 0.4% when the films are combined;
the adhesion force of the glass and the film cleaned by the deionized water is higher than that of the glass cleaned by tap water; the water temperature is preferably more than 55 ℃ to ensure the cleaning effect.
(4) And cutting the film:
taking out the film (with thickness of more than 2.28 mm) from the packaging box, cutting the sealing bag with sharp knife along the inner side of the original sealing line, wearing gloves without fluffing, lifting the upper layer film, shaking slightly, and taking out the film slightly; if the packaging bag is not used for one time, the packaging bag needs to be sealed, the air in the packaging bag is exhausted before sealing, redundant sealing bags are folded, and the bonding line part is completely sealed by a waterproof lead foil adhesive tape or a heat sealing machine; b, cutting the film by using a sharp knife according to the size of the glass single sheet obtained in the step A, namely cutting by using a ruler as a template to ensure that the correct size is obtained, and scratching the film along the edge of the template by using the sharp knife; if a bent or irregular shape is required, plate glass with a cut shape can be used as a template; after cutting, the film is folded along the cutting contour line scratch and torn or broken; after cutting, removing the scraps on the surface of the edge by using dust-free cloth or a special adhesive roller;
(5) sheet combination:
laminating the laminated glass in a laminating chamber, wherein the temperature and the humidity of the laminating chamber are adjusted before laminating (the temperature is about 25 ℃ and the humidity is about 20%), then the common glass single sheet obtained in the step (3) is stably placed on an operation table, the film obtained in the step (4) is spread and flattened on the common glass single sheet, finally the LOW-E glass single sheet is placed, the film coating surface of the LOW-E glass single sheet faces downwards and is tightly attached to the film, and the common glass single sheet, the LOW-E glass single sheet and the film are stacked neatly;
(6) pre-pressing and exhausting:
conveying the laminated glass obtained in the step (5) to rolling equipment stably for prepressing and exhausting; in rolling equipment, the laminated glass is preheated, the preheating temperature is controlled to be about 68 ℃, the laminated glass is rolled in a pair of pressing rollers after being preheated, the gap between the pair of pressing rollers is about 3mm smaller than the thickness of the laminated glass, the temperature in the rolling equipment is kept at about 240 ℃, the rolling speed is about 2.0m/min, and low-temperature slow rolling is carried out;
(7) and packaging and burning the kettle:
repeating the steps (1) to (6) for multiple times to obtain a plurality of pieces of laminated glass; then, every two to three pieces of the laminated glass are stacked orderly and respectively put into high-temperature and high-pressure resistant vacuum bags, and the laminated glass is wrapped after being vacuumized; then, all groups of laminated glass are longitudinally and obliquely stacked on the inserting frame, and each group of glass is separated by a cushion block (the interval between two adjacent groups of laminated glass is not less than 20 mmm); and finally, feeding the stacked laminated glass into an autoclave for burning, keeping the glass in the autoclave for heat preservation after the burning is finished, wherein the heat preservation time is 60 minutes, the temperature in the autoclave is controlled at 135 ℃ during the heat preservation, and the exhaust temperature is 43 ℃.
Because the laminated glass is an ultra-thick product, in order to improve the situations of bubbles, glue failure and the like in the laminating process, a film with thicker thickness is adopted, and the laminating process is optimized, so that the yield is higher.
The utility model has the advantages that:
1. the laminated glass has high color stability and good consistency, and the transmittance T of the ultra-white single sheet is E [ 75% -80% ].
2. In the laminated glass, the coating layer is sealed between the two pieces of glass, so that the coating layer is isolated from the air, and the laminated glass has strong oxidation resistance and can be directly used in a single piece without hollow processing.
3. The sun-shading effect is superior to that of common single-piece coated glass.
Drawings
FIG. 1 is a schematic view of a laminated structure of a double-silver low-emissivity coated glass with an ultra-thick film surface and a laminated adhesive.
In the figure, a single LOW-E glass sheet; 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. a sixth layer; 7. a seventh layer; 8. an eighth layer; 9. a ninth layer; 10. a tenth layer; 11. the eleventh layer; 12. a twelfth layer; 13. a thirteenth layer; b. a film; c. a plain glass monolith.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in figure 1, the ultra-thick film surface laminated double-silver Low-emissivity coated glass comprises a Low-E glass single sheet a, a film b and a common glass single sheet c which are sequentially stacked together, wherein the Low-E glass single sheet a comprises a glass substrate layer and a coating layer, and the coating layer is positioned between the glass substrate layer and the film b; thirteen film layers are sequentially compounded on the film coating layer from the glass substrate layer to the film b direction, the first layer 1 and the second layer 2 are first dielectric medium combined layers, the third layer 3 is a low-radiation functional layer, the fourth layer 4 is a first blocking protective layer, the fifth layer 5 and the sixth layer 6 are crystal bed dielectric layers, the seventh layer 7 and the eighth layer 8 are second dielectric medium combined layers, the ninth layer 9 is a low-radiation functional layer, the tenth layer 10 is a second blocking protective layer, the eleventh layer 11 is a third blocking protective layer, and the twelfth layer 12 and the thirteenth layer 13 are oxygen-resistant and wear-resistant layers.
The first layer 1 is silicon nitride (SiN)X) The thickness of the film layer is 20-40 nanometers; the second layer 2 is zinc aluminum oxide (ZnAlO)X) The thickness of the film layer is 10-20 nanometers; the third layer 3 is a silver (Ag) layer, and the thickness of the film layer is 1-4 nanometers; the fourth layer 4 is an AZO layer, and the thickness of the film layer is 5-10 nanometers; the fifth layer 5 is silicon nitride (SiN)X) The thickness of the film layer is 40-65 nanometers; the sixth layer 6 is zinc tin oxide (ZnSnO)X) The thickness of the film layer is 10-20 nanometers; the seventh layer 7 is zinc aluminum oxide (ZnAlO)X) The thickness of the film layer is 10-20 nanometers; the eighth layer 8 is nickel chromium oxide (NiCrO)X) The thickness of the film layer is 0.2-0.5 nanometer; the ninth layer 9 is a silver (Ag) layer, filmThe thickness of the layer is 5-15 nm; the tenth layer 10 is nickel chromium oxide (NiCrO)X) A layer, the thickness of the film layer is 0.2-1 nanometer; the eleventh layer 11 is an AZO layer, and the thickness of the film layer is 1.0-1.3 nanometers; the twelfth layer 12 is silicon nitride (SiN)X) The thickness of the film layer is 20-30 nanometers; the thirteenth layer 13 is zirconium oxide (ZrO)X) The thickness of the layer and the film layer is 5-10 nanometers.
A preparation method of double-silver low-emissivity coated glass with an ultra-thick film surface and a laminated adhesive is characterized by comprising the following steps:
(1) and preparing a Low-E glass original sheet, namely preparing a magnetron sputtering coating layer:
A. magnetron sputtering of the first layer 1:
the number of the targets is as follows: 3-4 alternating current rotary targets; the target material is configured to be silicon aluminum (SiAl); the process gas proportion is as follows: argon and nitrogen, wherein the ratio of argon to nitrogen is 1.3: 1; sputtering pressure of 3 to 5 × 10-3mbar；
B. Magnetron sputtering of the second layer 2:
the number of the targets is as follows: 1-2 alternating current rotating targets; the target material is configured to be zinc aluminum (ZnAl); the process gas proportion is as follows: argon and oxygen in a ratio of 1:1.8, and sputtering pressure of 3-5 × 10-3mbar；
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 (Ag); the process gas proportion is as follows: pure argon gas; sputtering pressure of 2 to 3X 10-3mbar；
D. Magnetron sputtering of the fourth layer 4:
the number of the targets is as follows: 1 alternating current rotating target; the target material is configured to AZO; process gas: pure argon gas, the sputtering pressure is 2-3 x 10-3mbar；
E. Magnetron sputtering of the fifth layer 5:
the number of the targets is as follows: 3-5 alternating current rotary targets; the target material is configured to be silicon aluminum (SiAl); process gas: argon and nitrogen, wherein the ratio of argon to nitrogen is 1.3: 1; sputtering pressure of 3 to 5 × 10-3mbar；
F. Magnetron sputtering the sixth layer 6:
the number of the targets is as follows: 1-2 alternating current rotary targets(ii) a The target material is configured to be zinc tin (ZnSn); the process gas proportion is as follows: argon and oxygen in a ratio of 1:2, and sputtering pressure of 3-5 × 10-3mbar；
G. Magnetron sputtering of the seventh layer 7:
the number of the targets is as follows: 2-3 alternating current rotating targets; the target material is configured to be zinc aluminum (ZnAl); the process gas proportion is as follows: argon and oxygen in a ratio of 1:2, and sputtering pressure of 3-5 × 10-3mbar；
H. Magnetron sputtering the eighth layer 8:
the number of the targets is as follows: 1 direct current plane; the target material is configured to be nickel chromium (NiCr); the process gas proportion is as follows: argon and oxygen in a ratio of 1: 0.02; sputtering pressure of 2 to 3X 10-3mbar；
I. Magnetron sputtering the ninth layer 9:
the number of the targets is as follows: 1 direct current plane target; the target material is configured to be silver (Ag); the process gas proportion is as follows: pure argon gas, the sputtering pressure is 2-3 x 10-3mbar；
J. Magnetron sputtering the tenth layer 10:
the number of the targets is as follows: 1 direct current plane; the target material is configured to be nickel chromium (NiCr); the process gas proportion is as follows: argon and oxygen in a ratio of 1: 0.02; sputtering pressure of 2 to 3X 10-3mbar；
K. Magnetron sputtering the eleventh layer 11:
the number of the targets is as follows: 1 alternating current rotating target; the target material is configured to AZO; process gas: pure argon gas; sputtering pressure of 2 to 3X 10-3mbar；
L, magnetron sputtering a twelfth layer 12:
the number of the targets is as follows: 4-6 alternating-current rotating targets; the target material is configured to be silicon aluminum (SiAl); the process gas proportion is as follows: argon and nitrogen, wherein the ratio of argon to nitrogen is 1: 1.14; sputtering pressure of 3 to 5 × 10-3mbar；
M, magnetron sputtering a thirteenth layer 13:
the number of the targets is as follows: 1 alternating current rotating target; the target material is configured as zirconium (Zr); process gas: argon and oxygen, wherein the ratio of argon to oxygen is 1: 0.04; sputtering pressure of 3 to 5 × 10-3mbar；
The total thickness of the coating layer is controlled between 127 and 236nm, and the transmission speed of the sputtering chamber is controlled between 5.0 and 5.5 m/min;
(2) cutting glass and edging:
respectively cutting and edging the LOW-E glass sheet and the common glass sheet obtained in the step (1) to obtain a LOW-E glass single sheet A and a common glass single sheet c;
(3) and glass cleaning and drying:
respectively cleaning the LOW-E glass single sheet A and the common glass single sheet c obtained in the step (2) by using deionized water, and respectively drying the LOW-E glass single sheet A, the film b and the common glass single sheet c to ensure that the water content of the film b is required to be below 0.4% during film combination;
the adhesive force between the glass cleaned by the deionized water and the film b is higher than that between the glass cleaned by tap water; the water temperature is preferably more than 55 ℃ to ensure the cleaning effect.
(4) And cutting the film b:
taking out the film b (with thickness of more than 2.28 mm) from the packaging box, cutting the sealing bag with sharp knife along the inner side of the original sealing line, wearing gloves without fluffing, lifting the upper layer film b, shaking slightly, and taking out the film b slightly; if the packaging bag is not used for one time, the packaging bag needs to be sealed, the air in the packaging bag is exhausted before sealing, redundant sealing bags are folded, and the bonding line part is completely sealed by a waterproof lead foil adhesive tape or a heat sealing machine; b, cutting the film b by using a sharp knife according to the size of the glass single piece obtained in the step A, namely cutting by using a ruler as a template to ensure that the correct size is obtained, and scratching the film b along the edge of the template by using the sharp knife; if a bent or irregular shape is required, plate glass with a cut shape can be used as a template; after cutting, the film b is folded along the cutting contour line scratch and torn or broken; after cutting, removing the scraps on the surface of the edge by using dust-free cloth or a special adhesive roller;
(5) sheet combination:
laminating the laminated glass in a laminating chamber, wherein the temperature and the humidity of the laminating chamber are adjusted before laminating (the temperature is about 25 ℃ and the humidity is about 20%), then the common glass single sheet c obtained in the step (3) is stably placed on an operation table, then the film b obtained in the step (4) is laid on the common glass single sheet c to be flat, finally the LOW-E glass single sheet A is placed, the film coating surface of the LOW-E glass single sheet A faces downwards and is tightly attached to the film b, and the common glass single sheet c, the LOW-E glass single sheet A and the film b are stacked neatly;
(6) pre-pressing and exhausting:
conveying the laminated glass obtained in the step (5) to rolling equipment stably for prepressing and exhausting; in rolling equipment, the laminated glass is preheated, the preheating temperature is controlled to be about 68 ℃, the laminated glass is rolled in a pair of rollers after being preheated, the gap between the pair of rollers is about 3mm smaller than the thickness of the laminated glass, the temperature in the rolling equipment is kept at about 240 ℃, the rolling speed is about 2.0m/min, and low-temperature slow rolling is carried out;
(7) and packaging and burning the kettle:
repeating the steps (1) to (6) for multiple times to obtain a plurality of pieces of laminated glass; then, every two to three pieces of the laminated glass are stacked orderly and respectively put into high-temperature and high-pressure resistant vacuum bags, and the laminated glass is wrapped after being vacuumized; then, all groups of laminated glass are longitudinally and obliquely stacked on the inserting frame, and each group of glass is separated by a cushion block (the interval between two adjacent groups of laminated glass is not less than 20 mmm); and finally, feeding the stacked laminated glass into an autoclave for burning, keeping the glass in the autoclave for heat preservation after the burning is finished, wherein the heat preservation time is 60 minutes, the temperature in the autoclave is controlled at 135 ℃ during the heat preservation, and the exhaust temperature is 43 ℃.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Claims (2)
1. The laminated glass with the ultra-thick film surface and double silver layers is characterized by comprising a Low-E glass single sheet (a), a film (b) and a common glass single sheet (c) which are sequentially stacked together, wherein the Low-E glass single sheet (a) comprises a glass substrate layer and a coating layer, and the coating layer is positioned between the glass substrate layer and the film (b); the coating film layer is sequentially compounded with thirteen film layers from the glass substrate layer to the film (b), the first layer (1) and the second layer (2) are first dielectric medium combined layers, the third layer (3) is a low-radiation functional layer, the fourth layer (4) is a first blocking protective layer, the fifth layer (5) and the sixth layer (6) are crystal bed dielectric layers, the seventh layer (7) and the eighth layer (8) are second dielectric medium combined layers, the ninth layer (9) is a low-radiation functional layer, the tenth layer (10) is a second blocking protective layer, the eleventh layer (11) is a third blocking protective layer, and the twelfth layer (12) and the thirteenth layer (13) are oxygen-resistant and wear-resistant layers.
2. The double-silver low-emissivity coated glass with the ultra-thick film surface and the laminated film as claimed in claim 1, wherein the first layer (1) is a silicon nitride layer, and the thickness of the film layer is 20-40 nm; the second layer (2) is a zinc aluminum oxide layer, and the thickness of the film layer is 10-20 nanometers; the third layer (3) is a silver layer, and the thickness of the film layer is 1-4 nanometers; the fourth layer (4) is an AZO layer, and the thickness of the film layer is 5-10 nanometers; the fifth layer (5) is a silicon nitride layer, and the thickness of the film layer is 40-65 nanometers; the sixth layer (6) is a zinc tin oxide layer, and the thickness of the film layer is 10-20 nanometers; the seventh layer (7) is a zinc aluminum oxide layer, and the thickness of the film layer is 10-20 nanometers; the eighth layer (8) is a nickel-chromium oxide layer, and the thickness of the film layer is 0.2-0.5 nm; the ninth layer (9) is a silver layer, and the thickness of the film layer is 5-15 nanometers; the tenth layer (10) is a nickel-chromium oxide layer, and the thickness of the film layer is 0.2-1 nanometer; the eleventh layer (11) is an AZO layer, and the thickness of the film layer is 1.0-1.3 nanometers; the twelfth layer (12) is a silicon nitride layer, and the thickness of the film layer is 20-30 nanometers; the thirteenth layer (13) is a zirconia layer, and the thickness of the film layer is 5-10 nanometers.
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| CN113896438A (en) * | 2021-10-20 | 2022-01-07 | 咸宁南玻节能玻璃有限公司 | Ultra-thick film surface laminated double-silver low-emissivity coated glass and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113896438A (en) * | 2021-10-20 | 2022-01-07 | 咸宁南玻节能玻璃有限公司 | Ultra-thick film surface laminated double-silver low-emissivity coated glass and preparation method thereof |
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