CN113233786B - Preparation process of colored glass - Google Patents
Preparation process of colored glass Download PDFInfo
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- CN113233786B CN113233786B CN202110720030.XA CN202110720030A CN113233786B CN 113233786 B CN113233786 B CN 113233786B CN 202110720030 A CN202110720030 A CN 202110720030A CN 113233786 B CN113233786 B CN 113233786B
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- silicon aluminum
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- glass
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- 239000011521 glass Substances 0.000 title claims abstract description 81
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000000576 coating method Methods 0.000 claims abstract description 36
- 229910018487 Ni—Cr Inorganic materials 0.000 claims abstract description 26
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000011248 coating agent Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims abstract description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 32
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 26
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 22
- 229910052786 argon Inorganic materials 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 11
- 229910052759 nickel Inorganic materials 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000011651 chromium Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000005315 stained glass Substances 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000013077 target material Substances 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 16
- 230000000694 effects Effects 0.000 description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 238000007747 plating Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- ORFSSYGWXNGVFB-UHFFFAOYSA-N sodium 4-amino-6-[[4-[4-[(8-amino-1-hydroxy-5,7-disulfonaphthalen-2-yl)diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]-5-hydroxynaphthalene-1,3-disulfonic acid Chemical compound COC1=C(C=CC(=C1)C2=CC(=C(C=C2)N=NC3=C(C4=C(C=C3)C(=CC(=C4N)S(=O)(=O)O)S(=O)(=O)O)O)OC)N=NC5=C(C6=C(C=C5)C(=CC(=C6N)S(=O)(=O)O)S(=O)(=O)O)O.[Na+] ORFSSYGWXNGVFB-UHFFFAOYSA-N 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005234 chemical deposition Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- C03C17/3657—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
-
- 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
Landscapes
- 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 relates to the technical field of colored glass, in particular to a preparation process of colored glass, which comprises the steps of sequentially coating a first silicon aluminum layer with the thickness of 80-100 nm, a nickel-chromium layer with the thickness of 20-30 nm and a second silicon aluminum layer with the thickness of 60-80 nm on a transparent glass substrate to obtain the colored glass. The technical problems that the blue depth of the existing blue coated glass is not enough and the color is too dark are solved. By the process, a glass product which can simultaneously reduce the production cost and time and can obtain deeper blue and better brightness can be obtained. The value of b of the blue system of the dark blue glass produced by the process can reach about-19, and the dark blue glass is attractive and elegant after being placed on a wall, and can meet the requirements of high-end houses on the dark blue glass.
Description
Technical Field
The invention relates to the technical field of colored glass, in particular to a preparation process of colored glass.
Background
The colored glass is obtained by adding various metal oxides, metal sulfides, etc. into glass to make the glass have special color, thereby beautifying the appearance of buildings. Wherein, the blue glass belongs to one of colored glass, and the pure and elegant blue color tone is highly popular in the market and has good market prospect. The method for producing the blue glass comprises the following steps: the integral glass melting method is that proper elements are added into glass raw materials to color the glass, and the cost is higher due to the limited yield; the glass is colored by coating on the common glass, and the chromaticity can be adjusted by the coating process according to the requirement.
Chinese patent CN101723602B (deep sapphire blue reflective low emissivity coated glass and its production method) discloses a deep blue glass product and its production method, but the b value of the product obtained by the production method can only reach-17 at the lowest, i.e. the depth of blue is not enough to meet the consumer's demand for high-end deep blue glass. In addition, the number of layers of the glass coating film of the patent technology is large, so that the preparation process is complex, and the production cost is increased. There is a need to develop a glass product that can reduce the production cost and time, and can obtain deeper blue color and better brightness, so as to meet the requirement of high-end houses for deep blue glass.
Disclosure of Invention
The invention aims to provide a colored glass preparation process, which is used for solving the technical problem that the blue depth of the existing blue coated glass is not enough.
In order to achieve the purpose, the invention adopts the following technical scheme:
the preparation process of the colored glass comprises the steps of sequentially coating a first silica-alumina layer with the thickness of 80-100 nm, a nickel-chromium layer with the thickness of 20-30 nm and a second silica-alumina layer with the thickness of 60-80 nm on a glass base layer to obtain the colored glass.
The principle and the beneficial effects of the technical scheme are as follows: the glass substrate is coated with a first silica-alumina layer, a nickel-chromium layer and a second silica-alumina layer, the thickness of the first silica-alumina layer is kept to be 80-100 nm, the thickness of the nickel-chromium layer is 20-30 nm, and the thickness of the second silica-alumina layer is kept to be 60-80 nm. Thus, a dark blue colored glass can be obtained, and the brightness is preferable. Wherein, the b value of the glass can reach-18 to-19, and the requirement of consumers on high-end dark blue glass can be met. The inventors have discovered through extensive testing and research that the thickness settings of the first silicon aluminum layer, the nickel chromium layer, and the second silicon aluminum layer have a significant effect on the depth to which the colored glass appears blue. The nickel-chromium layer mainly controls the transmittance of light and simultaneously presents color (blue), and the key for regulating the blue color of the glass lies in the regulation of the thicknesses of the first silicon-aluminum layer and the second silicon-aluminum layer. The first silicon aluminum layer is a dielectric layer, and experiments prove that the first silicon aluminum layer is too thick or too thin, which can result in insufficient blue depth of the colored glass and too large b value. Too thin a thickness of the second si-al layer also results in an insufficient blue depth of the colored glass, and too high a b value. To sum up, when the thickness of first aluminous layer is 80 ~ 100nm, the thickness of nickel chromium layer is 20 ~ 30nm and the thickness of second aluminous layer is 60 ~ 80nm, set up for other thicknesses, the coloured glass who obtains is dark blue, elegant appearance, can satisfy the application demand. By adopting the scheme, the glass can be dark blue by coating and plating three layers of coatings, and compared with the scheme that dark blue colored glass can be formed only by multilayer coating and plating in the prior art, the method is simple and easy to operate, and the production cost is reduced.
Further, the thickness of the first silicon aluminum layer is 80nm, the thickness of the nickel chromium layer is 22nm, and the thickness of the second silicon aluminum layer is 60 nm. By adopting the thickness setting of the parameters, the L value is 23, the a value is-4.1, the b value is-19, the glass presents dark blue, and a more ideal effect can be obtained.
Further, the composition of the first silicon aluminum layer and the second silicon aluminum layer comprises Si 3 N 4 And AlN;the mass ratio of the silicon element to the aluminum element is 9: 1. The first silicon aluminum layer and the second silicon aluminum layer which are made of the materials and have the material proportion can play a role in good light heat conduction and resistance to abrasion and falling of the coating.
Further, the nickel-chromium layer comprises nickel and chromium; the mass ratio of the nickel element to the chromium element is 4: 1. The nickel-chromium layer composed of nickel and chromium can control the transmittance of light and the color development. The inventors tried to replace elemental nickel and chromium with NiO and Cr 2 O 3 In the case of the same thickness of the first sial layer and the second sial layer, the b value of the colored glass increases, and the desired effect of the deep blue glass cannot be obtained.
Further, the method for coating the first silicon aluminum layer, the nickel-chromium layer and the second silicon aluminum layer is a vacuum magnetic control base injection coating method. Compared with other methods (such as a chemical deposition method, a thermal evaporation coating method and the like), the method for coating the film by adopting the advanced magnetic control base injection has better effect, firmer film layer, more uniform color and more bright color.
Further, the b value of the colored glass is-18 to-20; a is-4.0 to-4.5; the L value is 23-25. The colored glass prepared according to the scheme is dark blue, is bright in color and can meet the requirements of consumers on high-end dark blue glass.
Further, the process conditions of the vacuum magnetic control base-injection coating method are as follows: when the first silicon aluminum layer and the second silicon aluminum layer are coated, a medium-frequency alternating current power supply and a rotary target are used, a target material of the rotary target comprises silicon aluminum alloy particles sprayed on a stainless steel pipe, and the silicon aluminum alloy particles are made of Si 3 N 4 And AlN; the parameter condition is that the vacuum degree is more than 5 multiplied by 10 -6 mbar, and the atmosphere is a mixed gas consisting of nitrogen and argon. The vacuum magnetron base-injection coating method is adopted to coat the first silicon aluminum layer and the second silicon aluminum layer, so that the glass coating with the hardness and the energy transfer performance meeting the requirements can be obtained.
Further, when the first silicon aluminum layer is coated, the volume ratio of argon to nitrogen is 1: 1.2. When the volume ratio of argon to nitrogen is 1:1.2, the obtained first silicon aluminum layer has low hardness and is better combined with the glass substrate, so that the coating film is prevented from falling off.
Further, when the second silicon aluminum layer is coated, the volume ratio of argon to nitrogen is 1:1. When the volume ratio of argon to nitrogen is 1:1, the obtained second silicon aluminum layer has higher hardness, and the coating film can be prevented from being scratched.
Further, the process conditions of the vacuum magnetic control base-injection coating method are as follows: when the nickel-chromium coating is coated, a direct-current power supply and a planar target are used, the mass ratio of nickel element to chromium element in the planar target is 4:1, and the atmosphere is argon. The vacuum magnetic control base-injection coating method is adopted to coat the nickel-chromium layer, so that the colored glass with the light transmittance meeting the requirement can be obtained.
Detailed Description
The following is further detailed by way of specific embodiments:
example 1: preparation of coloured glass
And (3) coating a first silicon aluminum layer, a nickel-chromium layer and a second silicon aluminum layer on the glass base layer (transparent white glass) which is cleaned sequentially by a vacuum magnetic control base injection method in the prior art. The process conditions for coating the first silicon aluminum layer, the nickel-chromium layer and the second silicon aluminum layer are as follows: when the first silicon aluminum layer and the second silicon aluminum layer are coated, a medium-frequency alternating current power supply (50-60Hz) and a rotating target are used, and the rotating target is sprayed with silicon aluminum alloy particles (made of Si) with the particle size of 10-20 nm 3 N 4 And AlN); vacuum degree greater than 5X 10 -6 mbar, and the atmosphere is a mixed gas consisting of nitrogen and argon. When the first silicon aluminum layer is coated, the volume ratio of argon to nitrogen is 1: 1.2; and when the second silicon aluminum layer is coated, the volume ratio of argon to nitrogen is 1:1. When coating the nickel-chromium layer, a direct current power supply and a plane target are used, the mass ratio of nickel element to chromium element in the plane target is 4:1, and the atmosphere is argon.
The composition of the first silicon aluminum layer and the second silicon aluminum layer both comprise Si 3 N 4 And AlN; the mass ratio of silicon element to aluminum element is 9: 1. The composition of the nickel-chromium layer comprises nickel and chromium; the mass ratio of the nickel element to the chromium element is 4: 1. The thickness of the first silicon aluminum layer can be controlled to be between 80nm and 100nm, the thickness of the nickel-chromium layer can be controlled to be between 20nm and 30nm, and the thickness of the second silicon aluminum layer can be controlled to be between 60nm and 80 nm. In bookIn an embodiment, the first silicon aluminum layer has a thickness of 80nm and the nickel-chromium layer has a thickness of 22nm, and the second silicon aluminum layer has a thickness of 60 nm.
After the colored glass was produced, the Lab value of the glass was measured from the coated side of the colored glass. The Lab color mode is a color calibration mode specified by the international commission on illumination, wherein: l represents brightness, the range is 0-100, the darkest is 0, and the brightest is 100; a is the color change from green to red, the range is-128- +128, pure green is minus 12, pure red is plus 128, and 256 levels are divided. b is the color change from blue to yellow, the range is-128- +128, pure blue is negative 128, pure yellow is positive 128, and 256 levels are formed between the pure blue and the pure yellow.
Examples 1-3 and comparative examples 1-8 are substantially the same as the examples, except that some specific parameters were changed as detailed in Table 1. According to experimental data, in examples 1 to 3, the thickness of the first silicon aluminum layer is controlled to be 80 to 100nm, the thickness of the nickel-chromium layer is controlled to be 20 to 30nm, the thickness of the second silicon aluminum layer is controlled to be 60 to 80nm, and the b value of the prepared colored glass is controlled to be-18 to-20; a is-4.0 to-4.5; the R value is 23 to 25. The color of the colored glass is dark blue, and the brightness is ideal, and the colored glass of the scheme is attractive and elegant after being mounted on a wall, and can meet the requirements of high-end houses on the dark blue glass. In comparative example 1, the second sial layer was thicker and did not significantly affect b, but decreased a to some extent, affecting the overall glass performance. In comparative example 2, the second silicon aluminum layer was too thin, resulting in too large a b value and insufficient blue depth of the colored glass to achieve the desired effect. In comparative example 3, the first aluminum silicon layer was too thick, and in comparative example 4, the first aluminum silicon layer was too thin, which resulted in insufficient blue depth of the colored glass, and too large b x value, which also failed to achieve the desired effect. The nicr layer of comparative example 5 was too thick and the nicr layer of comparative example 6 was too thin, but the nicr layer was too thick or too thin, and the blue depth for the colored glass was not large. In comparative example 7, the first and second silicon aluminum layers were too thin, resulting in too large a value of b, and also did not achieve the desired effect. In comparative example 8, the nickel chromium layer was in the form of oxide, which also resulted in too large a b value, and did not achieve the desired effect.
Table 1: parameter settings and measurement results of examples 1 to 3 and comparative examples 1 to 8
Comparative example 9: this comparative example is substantially the same as example 1, except that the atmosphere used when coating the first sial layer was: the volume ratio of argon to nitrogen was 1:1. The obtained colored glass was subjected to a plating film bonding strength test using a conventional scratching method of the prior art. The bonding strength of the coating film and the glass substrate of the colored glass obtained in the comparative example is 76% of that of example 1, and it can be seen that the selection of the magnetic sputtering atmosphere has a great influence on the bonding strength of the coating film.
Comparative example 10: this comparative example is essentially the same as example 1, except that the atmosphere used when coating the first layer of alumino-silica was: the volume ratio of argon to nitrogen was 1: 1.5. The obtained colored glass was subjected to a plating film bonding strength test using a conventional scratching method of the prior art. The bonding strength of the coating film and the glass substrate of the colored glass obtained in the comparative example is 82% of that of example 1, and it can be seen that the selection of the magnetic sputtering atmosphere has a large influence on the bonding strength of the coating film.
The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. The colored glass preparation process is characterized by comprising the following steps: coating the glass substrate with a thickness of 80-100 nm in sequenceThe first silicon aluminum layer, the nickel-chromium layer with the thickness of 20-30 nm and the second silicon aluminum layer with the thickness of 60-80 nm are used for obtaining the colored glass; the composition of the first silicon aluminum layer and the second silicon aluminum layer both comprise Si 3 N 4 And AlN; the mass ratio of the silicon element to the aluminum element is 9: 1; the nickel-chromium layer comprises nickel and chromium; the mass ratio of the nickel element to the chromium element is 4: 1; the b value of the colored glass is-18 to-20; a is-4.0 to-4.5; the L value is 23-25.
2. The process for the preparation of colored glass according to claim 1, characterized in that: the thickness of the first silicon aluminum layer is 80nm, the thickness of the nickel-chromium layer is 22nm, and the thickness of the second silicon aluminum layer is 60 nm.
3. The process for preparing a colored glass according to any one of claims 1 to 2, wherein: the method for coating the first silicon aluminum layer, the nickel-chromium layer and the second silicon aluminum layer is a vacuum magnetic control base injection coating method.
4. A process for the preparation of a coloured glass according to claim 3, characterised in that: the process conditions of the vacuum magnetic control base-injection coating method are as follows: when the first silicon aluminum layer and the second silicon aluminum layer are coated, a medium-frequency alternating current power supply and a rotating target are used, wherein a target material of the rotating target comprises silicon aluminum alloy particles sprayed on a stainless steel pipe, and the silicon aluminum alloy particles are made of Si 3 N 4 And AlN; the parameter condition is that the vacuum degree is more than 5 multiplied by 10 -6 mbar, and the atmosphere is a mixed gas consisting of nitrogen and argon.
5. The process for preparing a colored glass according to claim 4, wherein: when the first silicon aluminum layer is coated, the volume ratio of argon to nitrogen is 1: 1.2.
6. The process for preparing colored glass according to claim 4, wherein: and when the second silicon aluminum layer is coated, the volume ratio of argon to nitrogen is 1:1.
7. A process for the preparation of a coloured glass according to claim 3, characterised in that: the process conditions of the vacuum magnetic control base-injection coating method are as follows: when the nickel-chromium coating is coated, a direct-current power supply and a planar target are used, the mass ratio of nickel element to chromium element in the planar target is 4:1, and the atmosphere is argon.
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Effective date of registration: 20231110 Address after: 402160 No. 25 Yanshi Road, Yongchuan District, Chongqing (self committed) Patentee after: Xinyi Glass (Chongqing) Co.,Ltd. Address before: 402160 in Fenghuang Lake Industrial Park (Daan Park), Yongchuan Industrial Park, Chongqing Patentee before: CHONGQING YUDA ENERGY SAVING GLASS Co.,Ltd. |