CN219586038U - Reflective light-transmitting heat-insulating automobile glass film - Google Patents
Reflective light-transmitting heat-insulating automobile glass film Download PDFInfo
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- CN219586038U CN219586038U CN202320434314.7U CN202320434314U CN219586038U CN 219586038 U CN219586038 U CN 219586038U CN 202320434314 U CN202320434314 U CN 202320434314U CN 219586038 U CN219586038 U CN 219586038U
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- glass film
- automobile glass
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- 239000011521 glass Substances 0.000 title claims abstract description 47
- 239000010410 layer Substances 0.000 claims abstract description 92
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 17
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 13
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 13
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920002799 BoPET Polymers 0.000 claims description 21
- 238000002834 transmittance Methods 0.000 abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 230000005855 radiation Effects 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 75
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 9
- 230000001681 protective effect Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910004205 SiNX Inorganic materials 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 230000006750 UV protection Effects 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical group 0.000 description 1
- -1 nano silver ions Chemical class 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 238000005546 reactive sputtering Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000036559 skin health Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
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- Laminated Bodies (AREA)
Abstract
The utility model discloses a light-transmitting heat-insulating automobile glass film, in particular to a reflective light-transmitting heat-insulating automobile glass film, which comprises a layered structure, a release film layer, a pressure-sensitive adhesive layer, a silicon nitride film layer, a nano silver ion layer and a fluorocarbon film layer which are sequentially compounded. The utility model solves the technical problem of secondary radiation of the light-transmitting heat-insulating automobile glass film. The visible light transmittance of the automobile glass film is 60.67% at 406 and nm, the infrared transmittance is 6.86% at 1000nm and 2.50% at 1500nm, and the water repellency (water contact angle) of the automobile glass film can reach more than 111 degrees.
Description
Technical Field
The utility model relates to a light-transmitting heat-insulating automobile glass film, in particular to a reflective light-transmitting heat-insulating automobile glass film.
Background
Along with the economic development and the improvement of people on the requirements of good life, the automobile comfort and the energy-saving requirements are also continuously improved. Front windshields are important factors affecting lighting, thermal comfort and air conditioning energy consumption of automobiles. In hot summer, sunlight penetrates through automobile glass to raise the temperature inside the automobile, so that the aging of facilities in the automobile is accelerated, and meanwhile, the load and the oil consumption of an automobile air conditioner are increased. Visible light and infrared light in sunlight account for about 44% and 53% of total radiant energy respectively, while ultraviolet light affects human skin health and accelerates degradation of interior materials. Therefore, automotive glass needs to have low transmittance in the ultraviolet and infrared spectral ranges and high transmittance in the visible range.
The absorption type light-transmitting heat-insulating film utilizes a heat-absorbing material coated on the surface of the transparent polyester film to absorb infrared heat so as to realize the heat insulation function. The main heat absorbing material commonly used for the absorption type light-transmitting heat-insulating automobile glass film is metal oxide, and is widely applied to the automobile glass heat-insulating film because of the advantages of excellent near infrared ray absorption performance, low price and the like.
The absorption type light-transmitting heat-insulating film has excellent spectral selectivity and heat-insulating performance, but when the film absorbs heat, the temperature is increased, the heat is secondarily radiated into the vehicle by far infrared, and the lasting heat insulation is difficult to ensure.
Accordingly, the present utility model has been made.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides a reflective light-transmitting heat-insulating automobile glass film capable of solving the secondary radiation problem.
In order to achieve the above purpose, the reflective light-transmitting heat-insulating automobile glass film designed by the utility model comprises a layered structure comprising a release film layer, a pressure-sensitive adhesive layer, a silicon nitride film layer, a nano silver ion layer and a fluorocarbon film layer which are sequentially compounded.
The reflective light-transmitting heat-insulating film adopts a magnetron sputtering process, metal nano silver ions are uniformly sputtered on a silicon nitride film layer (substrate) to prepare a high heat-insulating metal film layer, heat insulation is realized mainly through light reflection, and the secondary radiation problem of the absorption type heat-insulating film is avoided. In addition, the silicon nitride film layer serving as the base layer in the layered structure has excellent water vapor permeation resistance, and is prepared by adopting a Radio Frequency (RF) magnetron reactive sputtering method, so that the material can play a role in protecting the silver ion layer, prevent the silver ion layer from oxidation failure caused by water vapor permeation, and the silicon nitride film layer has good mechanical property and plays a role in protecting the silver ion layer; in addition, the fluorocarbon film layer serving as the surface layer in the layered structure has excellent hydrophobicity, fading resistance, frosting resistance, atmospheric pollution resistance (acid rain and the like), strong ultraviolet resistance, strong crack resistance and capability of bearing severe weather environments.
In the reflective light-transmitting heat-insulating automotive glass film, the thickness of the fluorocarbon film layer in the layered structure is preferably 12-50 μm.
In the reflective light-transmitting heat-insulating automobile glass film, the thickness of the nano silver (Ag) ion layer in the layered structure is preferably 5nm-10nm.
In the reflective light-transmitting heat-insulating automotive glass film, the thickness of the silicon nitride (SiNx) thin film layer in the layered structure is preferably 50nm to 150nm.
In the reflective light-transmitting heat-insulating automobile glass film, the pressure-sensitive adhesive layer in the layered structure is preferably a transparent acrylic pressure-sensitive adhesive layer or a polyurethane pressure-sensitive adhesive layer, the thickness of the pressure-sensitive adhesive layer is 10-50 mu m, and the visible light transmittance of the pressure-sensitive adhesive layer is more than 90%.
In the reflective light-transmitting heat-insulating automotive glass film, the thickness of the release film layer in the layered structure is 23-100 μm, more preferably 36-76 μm, the haze is preferably 1% or less, and the release force is preferably within 20 g/inch.
Still further, the reflective light-transmitting heat-insulating automobile glass film further comprises a PET film layer in the layered structure, wherein the PET film layer is compounded on the surface, facing away from the nano silver ion layer, of the fluorocarbon film layer.
The PET film layer is preferably a PET film layer with silica gel or a PET film layer with UV cured layer, wherein the PET film layer is more preferably transparent, and the thickness of the PET film layer is preferably 12-75 μm.
The PET film layer is used as a protective film layer of a fluorocarbon film layer (surface layer), so that the situations of accidental scratch, breakage and the like of the fluorocarbon film layer in the processes of production, packaging, transportation and the like can be avoided to the greatest extent.
Compared with the prior art, the reflective light-transmitting heat-insulating automobile glass film has the following advantages:
1. the visible light transmittance of the automobile glass film is 60.67% at 406 and nm, the infrared transmittance is 6.86% at 1000nm and 2.50% at 1500nm, and the water repellency (water contact angle) of the automobile glass film can reach more than 111 degrees.
2. The base layer in the laminated structure of the automobile glass film has the advantages of high strength, high hardness, high temperature resistance, wear resistance and the like.
3. The surface layer in the laminated structure of the automobile glass film has excellent hydrophobicity, fading resistance, frosting resistance, atmospheric pollution resistance (acid rain and the like), strong ultraviolet resistance and crack resistance and can bear severe weather environment.
4. The automobile glass film has good adhesion and stripping performance in the use process, can be easily adhered to (adhered to) or stripped from the surface of automobile glass, is not easy to cause the situation that adhesive residues remain on the surface of the automobile glass, does not generate bubbles in the use process, is convenient for construction, saves time and labor cost, and has smooth and flat film surface.
Drawings
FIG. 1 is a schematic view of a layer structure of a reflective light-transmitting heat-insulating automotive glass film.
In the figure: the PET film layer 1, the fluorocarbon film layer 2, the nano silver ion layer 3, the silicon nitride film layer 4, the pressure-sensitive adhesive layer 5 and the release film layer 6.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
Example 1
As shown in fig. 1, as a first embodiment of the present utility model, a reflective light-transmitting heat-insulating automotive glass film provided in this example has a layered structure including a release film layer 6, a pressure-sensitive adhesive layer 5, a silicon nitride film layer 4, a nano silver ion layer 3, a fluorocarbon film layer 2, and a PET film layer 1, which are sequentially combined.
The PET film layer in this example was a PET film (Duoli, G01) having a thickness of 12. Mu.m.
The fluorocarbon film layer in this example uses ethylene-tetrafluoroethylene copolymer (AGC Chemicals) with a thickness of 12 μm.
In this embodiment, the nano silver ion layer is a metal silver simple substance with a diameter of 20-50 nm, and the thickness is 5nm.
The thickness of the silicon nitride film layer in this embodiment is 50nm.
The pressure-sensitive adhesive layer in this example was acrylic pressure-sensitive adhesive (Henkel, loctite 8087), the visible light transmittance was 92%, and the thickness was 10 μm.
In the embodiment, the release film layer is a transparent PET release film (Methanium package), the haze is 0.6%, the release force is 10g/inch, and the thickness is 23 μm.
The reflective light-transmitting heat-insulating automobile glass film is prepared by depositing a plasma polymer fluorocarbon film on an Ag-SiNx multilayer structure prepared by continuous roll-to-roll sputtering, coating an acrylic pressure-sensitive adhesive on a release film, curing, then compounding the acrylic pressure-sensitive adhesive on the back surface of the Ag-SiNx multilayer structure, and finally compounding a PET film.
Example 2
As a second embodiment of the present utility model, a reflective light-transmitting heat-insulating automotive glass film was provided in this example, whose general layered structure was consistent with example 1.
However, the thickness of the PET film layer in this example was 45. Mu.m; the thickness of the fluorocarbon film layer is 30 mu m; the thickness of the nano silver ion layer is 7.5nm; the thickness of the silicon nitride film layer is preferably 100nm; the thickness of the pressure-sensitive adhesive layer is 30 μm; and the thickness of the release film layer is 60 mu m.
Example 3
As a third embodiment of the present utility model, a reflective light-transmitting heat-insulating automotive glass film was provided in this example, whose general layered structure was in accordance with example 1.
However, the thickness of the PET film layer in this example was 75. Mu.m; the thickness of the fluorocarbon film layer is 50 mu m; the thickness of the nano silver ion layer is 10nm; the thickness of the silicon nitride film layer is preferably 150nm; the thickness of the pressure-sensitive adhesive layer is 50 μm; and the thickness of the release film layer is 100 mu m.
The following table shows the visible light (406 nm) transmittance, infrared (1000 nm and 1500 nm) transmittance, and water contact angle test data for the reflective light transmissive heat insulating automotive glass films provided in examples 1-3.
| Examples | Visible light (406 nm) transmittance% | Infrared (1000 nm) transmittance% | Transmittance of infrared ray (1500 nm) | Water contact angle degree |
| Example 1 | 60.67% | 6.86% | 2.50% | 111° |
| Example 2 | 60.67% | 6.86% | 2.50% | 111° |
| Example 3 | 60.67% | 6.86% | 2.50% | 111° |
From the above test data, the transmittance of visible light (406, nm), the transmittance of infrared light (1000 nm and 1500 nm) and the water contact angle of the reflective light-transmitting heat-insulating automotive glass film of the present utility model are all independent of the thickness of the automotive glass film in each example.
The test method for each performance in the above table is as follows:
visible and infrared transmittance
Selecting an automobile glass film, tearing off a PET film layer (protective film) and a release film, attaching the PET film layer (protective film) and the release film on 3mm transparent glass, testing the transmittance of 380-2500nm wavelength by using a UV/VIS ultraviolet-visible spectrophotometer (Lambda 1050+), and recording the transmittance of 406nm, 1000nm and 1500nm respectively.
Contact angle of water
Selecting an automobile glass film, tearing off a PET film layer (protective film) and a release film, attaching the PET film layer (protective film) and the release film on 3mm transparent glass, and testing the water contact angle of the paint protective film coating by using an SDC-200S contact angle tester. Each sample was measured 5 times and the average of the measurements was recorded.
The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present utility model fall within the scope of the present utility model.
Claims (7)
1. A reflective light-transmitting heat-insulating automobile glass film is characterized by comprising a release film layer, a pressure-sensitive adhesive layer, a silicon nitride film layer, a nano silver ion layer and a fluorocarbon film layer which are sequentially compounded.
2. The reflective, light transmissive, thermally insulating automotive glass film of claim 1, wherein: the thickness of the fluorocarbon film layer is 12-50 μm.
3. The reflective, light transmissive, thermally insulating automotive glass film of claim 1, wherein: the thickness of the nano silver ion layer is 5nm-10nm.
4. The reflective, light transmissive, thermally insulating automotive glass film of claim 1, wherein: the thickness of the silicon nitride film layer is 50nm-150nm.
5. The reflective, light transmissive, thermally insulating automotive glass film of claim 1, wherein: the thickness of the pressure-sensitive adhesive layer is 10 μm to 50 μm.
6. The reflective, light transmissive, thermally insulating automotive glass film of claim 1, wherein: the thickness of the release film layer is 23-100 μm.
7. A reflective, light transmissive, thermally insulating automotive glazing as claimed in any one of claims 1 to 6, wherein: the layered structure also comprises a PET film layer which is compounded on the surface of the fluorocarbon film layer, which is away from the nano silver ion layer, and the thickness of the PET film layer is 12-75 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320434314.7U CN219586038U (en) | 2023-03-09 | 2023-03-09 | Reflective light-transmitting heat-insulating automobile glass film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320434314.7U CN219586038U (en) | 2023-03-09 | 2023-03-09 | Reflective light-transmitting heat-insulating automobile glass film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219586038U true CN219586038U (en) | 2023-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320434314.7U Active CN219586038U (en) | 2023-03-09 | 2023-03-09 | Reflective light-transmitting heat-insulating automobile glass film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219586038U (en) |
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2023
- 2023-03-09 CN CN202320434314.7U patent/CN219586038U/en active Active
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