CN217438080U - Double-aluminum heat-insulation sunshade film - Google Patents
Double-aluminum heat-insulation sunshade film Download PDFInfo
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- CN217438080U CN217438080U CN202221283720.XU CN202221283720U CN217438080U CN 217438080 U CN217438080 U CN 217438080U CN 202221283720 U CN202221283720 U CN 202221283720U CN 217438080 U CN217438080 U CN 217438080U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model provides a two aluminium sunshade that insulate against heat, this two aluminium sunshade top-down that insulates against heat is by from type rete, first installation glue film, first substrate layer, two aluminium lamination, second installation glue film, second substrate layer and resistant layer of scraping superpose according to the preface and cover and close and form, two aluminium lamination top-down are by first refraction layer, first metal oxide layer, first aluminum alloy layer, first barrier layer, second refraction layer, second metal oxide layer, second aluminum alloy layer, second barrier layer and third refraction layer superpose according to the preface and cover and close and form. The utility model discloses a two aluminium lamination messenger aluminium alloy material are complete to laminate to prevent that aluminum alloy composition and air and water contact from taking place the oxidation phenomenon of blacking, thereby improve thermal-insulated effect and definition, prolong the life of membrane.
Description
Technical Field
The utility model relates to a thermal-insulated membrane technical field, in particular to two aluminium thermal-insulated sunshade membranes.
Background
A film, commonly referred to as a window film, is attached to the surface of automotive or architectural glass to provide thermal insulation, uv protection, and infrared protection. At present, window films on the market are mainly double-silver heat-insulation sun-shading films, and the films are not resistant to acid rain and are easy to oxidize on the surfaces and the edges. In addition, since the main component of the double silver film is silver alloy, when the component comes into contact with air, water, or the like, the oxidation blackening phenomenon is liable to occur, thereby resulting in deterioration of the heat insulating effect of the film, deterioration of the definition, and shortening of the service life.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing a two aluminium thermal-insulated sunshade to solve the surface and the marginal oxidation blacking problem of two silver thermal-insulated sunshade on the market, thereby improve thermal-insulated effect and definition, prolong the life of membrane.
The utility model provides a two aluminium sunshade that insulate against heat, this two aluminium sunshade top-down that insulates against heat is by from type rete, first installation glue film, first substrate layer, two aluminium lamination, second installation glue film, second substrate layer and resistant layer of scraping superpose according to the preface and cover and close and form, two aluminium lamination top-down are by first refraction layer, first metal oxide layer, first aluminum alloy layer, first barrier layer, second refraction layer, second metal oxide layer, second aluminum alloy layer, second barrier layer and third refraction layer superpose according to the preface and cover and close and form.
Further, the thickness of the release film layer is 10-200 um, the thickness of the first installation glue layer is 2-15 um, the thickness of the first base material layer is 10-200 um, the thickness of the second installation glue layer is 3-5 um, the thickness of the second base material layer is 16-150 um, and the thickness of the scratch-resistant layer is 1-15 um;
the thickness on first refraction layer is 30 ~ 40um, the thickness on first metal oxide layer is 2 ~ 7um, the thickness on first aluminum alloy layer is 8 ~ 12um, the thickness on first barrier layer is 0.2 ~ 0.45um, the thickness on second refraction layer is 65 ~ 72um, the thickness on second metal oxide layer is 5 ~ 9um, the thickness on second aluminum alloy layer is 8 ~ 12um, the thickness on second barrier layer is 0.22 ~ 0.45um, the thickness on third refraction layer is 25 ~ 40 um.
Furthermore, the first mounting adhesive layer and the second mounting adhesive layer are both acrylate pressure-sensitive adhesive layers.
Furthermore, the release film layer, the first base material layer and the second base material layer are all made of PET, and the transmittance of a visible light band is more than or equal to 88%.
Furthermore, the materials of the first refraction layer, the second refraction layer and the third refraction layer are tantalum pentoxide, and the refraction index is 2.28.
Further, the materials of the first metal oxide layer and the second metal oxide layer are both ITO, and the refractive index is 2.02.
Further, the materials of the first barrier layer and the second barrier layer are chromium.
Furthermore, the material of the scratch-resistant layer is modified polyurethane, and the hardness is 4H.
Compared with the prior art, the utility model has the advantages of it is following:
firstly, the base materials of the double-aluminum heat-insulation sunshade film are made of PET materials, the double-aluminum heat-insulation sunshade film is uniform in thickness, large in stretchability and strong in toughness, can be attached to automobile glass and building glass with radian at will, and is high in definition, and the visible light band transmittance of the double-aluminum heat-insulation sunshade film is more than or equal to 88%;
secondly, the utility model discloses a change two aluminium magnetron sputtering material processes, select for use high refraction oxide material, metal oxide material and the process of aluminium alloy material collocation combination, make aluminium alloy material laminate completely, fundamentally has stopped the contact of aluminium alloy composition and air and water and has taken place the problem that the oxidation blackened, and the infrared ray separation rate of this two aluminium thermal-insulated sunshade membrane is more than or equal to 82%, can effectively insulate against heat and cool down energy-conservation, and guarantee high definition, increase of service life;
thirdly, the scratch-resistant layer coated on the film is a modified polyurethane hardened coating, the hardness is as high as 4H, when the scratch-resistant layer is impacted by external force, the film layer can be split in a spider web shape, the impact force is dispersed, and the splashing of glass can not be caused, so that the safety of personnel in a vehicle or a building can be protected.
Drawings
FIG. 1 is a schematic structural view of a double-aluminum heat-insulating sunshade of the present invention;
FIG. 2 is a graph of the transmittance spectrum of the double aluminum thermal insulation sunshade film of FIG. 1.
Description of the main element symbols:
the following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, an embodiment of the present invention provides a double aluminum heat insulation sunshade film, which is formed by sequentially stacking and laminating a release film layer 1, a first mounting adhesive layer 2, a first substrate layer 3, a double aluminum layer, a second mounting adhesive layer 13, a second substrate layer 14 and a scratch-resistant layer 15 from top to bottom, wherein the double aluminum layer is formed by sequentially stacking and laminating a first refraction layer 4, a first metal oxide layer 5, a first aluminum alloy layer 6, a first barrier layer 7, a second refraction layer 8, a second metal oxide layer 9, a second aluminum alloy layer 10, a second barrier layer 11 and a third refraction layer 12 from top to bottom.
It should be noted that, in the utility model, the technique of selecting high refraction oxide material, metal oxide material and aluminum alloy material collocation combination for use makes the aluminum alloy material laminate completely to prevent that the aluminum alloy composition from contacting with air and water and taking place the oxidation phenomenon of turning black.
In a preferred embodiment of the present invention, the thickness of the release film layer 1 is 10-200 um, the thickness of the first mounting glue layer 2 is 2-15 um, the thickness of the first substrate layer 3 is 10-200 um, the thickness of the second mounting glue layer 13 is 3-5 um, the thickness of the second substrate layer 14 is 16-150 um, and the thickness of the scratch-resistant layer 15 is 1-15 um;
the thickness on first refraction layer 4 is 30 ~ 40um, the thickness of first metal oxide layer 5 is 2 ~ 7um, the thickness on first aluminum alloy layer 6 is 8 ~ 12um, the thickness of first barrier layer 7 is 0.2 ~ 0.45um, the thickness on second refraction layer 8 is 65 ~ 72um, the thickness on second metal oxide layer 9 is 5 ~ 9um, the thickness on second aluminum alloy layer 10 is 8 ~ 12um, the thickness of second barrier layer 11 is 0.22 ~ 0.45um, the thickness on third refraction layer 12 is 25 ~ 40 um.
In another embodiment of the present invention, the first mounting adhesive layer 2 and the second mounting adhesive layer 13 are both acrylate pressure sensitive adhesive layers, and have waterproof, acid and alkali resistant characteristics.
In an embodiment of the present invention, the material of the release film layer 1, the first substrate layer 3 and the second substrate layer 14 is PET (a poly-p-phthalic acid plastic), and the transmittance of the visible light band is greater than or equal to 88%.
In another embodiment of the present invention, the material of the first, second and third refraction layers 4, 8 and 12 is tantalum pentoxide (Ta) 2 O 5 The refractive index of the material is 2.0-2.3, the transparent area is 350-1000 nm), and the refractive index is 2.28.
In an embodiment of the present invention, the material of the first metal oxide layer 5 and the second metal oxide layer 9 is ITO (indium tin oxide composite material), and the refractive index is 2.02.
In another embodiment of the present invention, the material of the first barrier layer 7 and the second barrier layer 11 is chromium.
Further, the material of the scratch resistant layer 15 is modified polyurethane, and the hardness is 4H.
The following describes the preparation steps of the double aluminum heat insulation sunshade film in detail in a specific manner:
(1) the method comprises the steps of firstly providing a flexible PET film as a release film layer 1, a first substrate layer 3 and a second substrate layer 14, wherein the PET film is lifted under the condition of tension of 250-300N and does not deform, and the purpose of mounting the release film layer 1 is to solve the problem that the flexible transparent PET film is not deformed during the stretching in the magnetron sputtering process, so that the PET film can be used as a coating substrate, and the technological requirement of sputtering a metal material (tantalum pentoxide, ITO, aluminum alloy or nickel) on the PET film is met.
(2) The first installation glue layer 2 is coated on one side of the first base material layer 3 in a winding type coating and gluing line mode, the coating speed is 20 meters per minute, the thickness of the first installation glue layer 2 is 6 micrometers, and the release film layer 1 is synchronously glued in the coating and gluing process.
(3) A first refraction layer 4 is deposited on the first base material layer 3 through a double-rotating cathode and medium-frequency reactive magnetron sputtering mode, the first refraction layer 4 is made of tantalum pentoxide, and the refractive index of the first refraction layer 4 is 2.28.
In the step, tantalum pentoxide is directly deposited on the PET film in a magnetron sputtering mode, and can be directly deposited on the PET film due to good adhesive force without performing additional metal coating treatment on the PET film.
(4) And depositing a first metal oxide layer 5 on the first refraction layer 4 by a single-rotating cathode and a direct-current reactive magnetron sputtering mode, wherein the material of the first metal oxide layer 5 is ITO, and the refractive index of the first metal oxide layer is 2.02.
In this step, the purpose of depositing the first metal oxide layer 5 is to promote the growth of the subsequent aluminum alloy layer, so that the subsequent aluminum alloy layer can grow into a continuous compact structure as soon as possible, thereby significantly reducing the thickness of the subsequent aluminum alloy layer and reducing the reflectivity of the visible light wave band of the heat-insulating car cover.
(5) A first aluminum alloy layer 6 is deposited on the first metal oxide layer 5 in a mode of single-plane cathode and direct-current reactive magnetron sputtering, and the first aluminum alloy layer 6 can effectively reflect infrared rays and ultraviolet rays and improve the heat-insulating property of the sunshade film.
(6) And depositing a first barrier layer 7 on the first aluminum alloy layer 6 by a single-plane cathode and direct-current reactive magnetron sputtering mode, wherein the first barrier layer 7 is made of chromium.
In this step, first barrier layer 7 is used for protecting first aluminum alloy layer 6, avoids first aluminum alloy layer 6 oxidation and reduces thermal-insulated effect, ensures that first aluminum alloy layer 6's infrared reflectivity can not reduce along with the extension of live time, and extension thermal-insulated sunshade film life guarantees lasting high thermal-insulated effect.
(7) And depositing a second refraction layer 8 on the first barrier layer 7 by a double-rotating cathode and medium-frequency reactive magnetron sputtering mode, wherein the second refraction layer 8 is made of tantalum pentoxide and has a refractive index of 2.28.
In this step, the thickness and the refracting index of second refraction layer 8 are higher than first refraction layer 4, set up the second refraction layer 8 of bigger refracting index between two-layer aluminum alloy layer promptly, can utilize the interval formation between two-layer aluminum alloy layer to reflect infrared ray and ultraviolet two reflection configuration, therefore can reduce the thickness on second refraction layer 8, further reduce the reflectivity of the visible light wave band of thermal-insulated sunshade film.
(8) And depositing a second metal oxide layer 9 on the second refraction layer 8 by a single-rotating cathode and a direct-current reactive magnetron sputtering mode, wherein the second metal oxide layer 9 is made of ITO (indium tin oxide) and has the refractive index of 2.02.
In this step, the thickness of the deposited second metal oxide layer 9 is slightly greater than the thickness of the first metal oxide layer 5, further improving the oxidation resistance.
(9) And depositing a second aluminum alloy layer 10 on the second metal oxide layer 9 by a single-plane cathode and direct-current reactive magnetron sputtering mode. The combination of the first aluminum alloy layer 6 and the second aluminum alloy layer 10 forms a double-reflection structure for reflecting infrared rays and ultraviolet rays, so that the visible light reflectivity of the heat-insulation sunshade film is further reduced, and the heat-insulation performance is enhanced.
(10) Deposit second barrier layer 11 on this second aluminum alloy layer 10 through monoplane negative pole, direct current reaction magnetron sputtering's mode, the material of second barrier layer 11 is chromium for prevent second aluminum alloy layer 10 oxidation, with the lasting high thermal-insulated effect of assurance.
(11) And depositing a third refraction layer 12 on the second barrier layer 11 by a double-rotating cathode and medium-frequency reactive magnetron sputtering method, wherein the third refraction layer 12 is made of tantalum pentoxide and has a refractive index of 2.28. The third refraction layer 12 at the outermost side can effectively reflect infrared rays in sunlight, and the heat insulation performance of the heat insulation sunshade film is further improved.
(12) And coating a second mounting adhesive layer 13 on the third refraction layer 12 in a winding type coating joint line mode, wherein the coating speed is 20 m/min, the thickness of the mounting adhesive layer is 6 mu m, and the second substrate layer 14 is synchronously jointed in the coating process of the mounting adhesive.
(13) The other side of the second substrate layer 14 is coated with the scratch-resistant layer 15 in a winding type coating joint line mode, the coating speed is 20 m/min, the thickness of the scratch-resistant layer is 2 mu m, the scratch-resistant material is composed of wear-resistant polyurethane, the hardness is as high as 4H, the scratch-resistant material is coated on the outer side of the PET substrate in a winding type coating joint line mode through an original liquid material, the coated liquid scratch-resistant layer material is dried in a UV curing box at the speed of 20 m/min, the liquid wear-resistant polyurethane material is changed from the original liquid state to a solid state, and the formed scratch-resistant layer 15 is formed.
Wherein, when the magnetron sputtering deposition coating film is carried out, the temperature in all the chambers is constant, and the constant temperature range in all the chambers is-15 ℃ to 20 ℃. Introducing mixed gas of argon and oxygen in a volume ratio of 5: 1-50: 1 into the corresponding chamber, and setting a sputtering vacuum degree to be 10 -6 Torr, stable pressure of plating film is 10 -3 Torr; the double-rotating cathode and intermediate frequency reaction magnetron sputtering power is 10 KW-20 KW; the single rotating cathode and the DC reactive magnetron sputtering power are 0.3 KW-2.5 KW.
Preferably, the double-aluminum heat-insulating sunshade film comprises the following layers which are sequentially stacked:
(1) a release film layer with the thickness of 75 μm;
(2) the first mounting adhesive layer is 6 microns thick;
(3) a first substrate layer having a thickness of 150 μm;
(4) a first refractive layer having a refractive index of 2.28 and a thickness of 38 nm;
(5) a first metal oxide layer having a refractive index of 2.02 and a thickness of 2 nm;
(6) a first aluminum alloy layer having a thickness of 15 nm;
(7) a first barrier layer having a thickness of 0.2 nm;
(8) a second refractive layer having a refractive index of 2.28 and a thickness of 70 nm;
(9) a second metal oxide layer having a refractive index of 2.02 and a thickness of 5 nm;
(10) a second aluminum alloy layer having a thickness of 18 nm;
(11) a second barrier layer having a thickness of 0.45 nm;
(12) a third refractive layer having a refractive index of 2.28 and a thickness of 38 nm;
(13) the second mounting adhesive layer is 6 microns thick;
(14) a second substrate layer having a thickness of 50 μm;
(15) a scratch-resistant layer having a thickness of 2 μm.
And respectively testing the visible light transmittance, the ultraviolet reflectivity and the infrared blocking rate of the double-aluminum heat-insulating sunshade film.
Referring to FIG. 2, a spectrometer is used to measure data in a wavelength range from 380nm to 780 nm. Firstly, correcting a spectral gradiometer, and measuring the visible light waveband data of air to be 100% of transmittance under the condition of no medium; then cutting the heat-insulating sunshade film with the square size of 100mm, putting the heat-insulating sunshade film into a measuring fixture, and measuring the data of the transmittance, wherein the measured visible light transmittance is more than or equal to 70%.
Through testing, the infrared blocking rate of the double-aluminum heat-insulating sunshade film provided by the utility model at the wavelength of 950nm is 82%; the total solar energy separation rate of the heat-insulating sunshade film reaches more than 77 percent, which shows that the utility model provides a double-aluminum heat-insulating sunshade film has good heat-insulating property.
Furthermore, the utility model discloses an ultraviolet ray accelerates weather resistance tester (KJ-2029-UV), carries out ultraviolet oxidation detection respectively to silver-colored base film and two aluminium base films respectively, and the oxidation result is as shown in table 1. Wherein, the test parameter requirements are as follows: the irradiance is 0.9 +/-0.05W per square meter, and the wavelength is 340 nm. The ultraviolet oxidation test conditions were: the temperature of the box body is 60 +/-3 ℃, and the humidity of the box body is 70%; the ultraviolet light oxidation was carried out for a cumulative 1344 hours.
TABLE 1 ultraviolet Oxidation detection
As can be seen from table 1, the oxidation phenomenon is obvious in the double-silver base film # 1, the double-silver base film # 2, and the double-silver base film # 3, and the oxidation phenomenon is not generated in the double-aluminum base film # 4, the double-aluminum base film # 5, and the double-aluminum base film # 6.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other. The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. The utility model provides a two aluminium thermal-insulated sunshade membranes which characterized in that: this two aluminium thermal-insulated sunshade membrane top-down is by covering according to the preface stack from type rete, first installation glue film, first substrate layer, two aluminium lamination, second installation glue film, second substrate layer and resistant layer and close and form, two aluminium lamination top-down is by first refraction layer, first metal oxide layer, first aluminum alloy layer, first barrier layer, second refraction layer, second metal oxide layer, second aluminum alloy layer, second barrier layer and third refraction layer and close according to the preface stack and form.
2. The double-aluminum heat-insulating sunshade film according to claim 1, wherein the thickness of the release film layer is 10-200 um, the thickness of the first mounting adhesive layer is 2-15 um, the thickness of the first substrate layer is 10-200 um, the thickness of the second mounting adhesive layer is 3-5 um, the thickness of the second substrate layer is 16-150 um, and the thickness of the scratch-resistant layer is 1-15 um;
the thickness on first refraction layer is 30 ~ 40um, the thickness on first metal oxide layer is 2 ~ 7um, the thickness on first aluminum alloy layer is 8 ~ 12um, the thickness on first barrier layer is 0.2 ~ 0.45um, the thickness on second refraction layer is 65 ~ 72um, the thickness on second metal oxide layer is 5 ~ 9um, the thickness on second aluminum alloy layer is 8 ~ 12um, the thickness on second barrier layer is 0.22 ~ 0.45um, the thickness on third refraction layer is 25 ~ 40 um.
3. The dual aluminum thermal barrier sunshade of claim 1, wherein said first and second mounting adhesive layers are acrylate pressure sensitive adhesive layers.
4. The double-aluminum heat-insulating sunshade film of claim 1, wherein the release film layer, the first substrate layer and the second substrate layer are all made of PET, and the transmittance of the visible light band is more than or equal to 88%.
5. The double aluminum thermal barrier sunshade of claim 1, wherein said first, second and third refractive layers are each tantalum pentoxide and have a refractive index of 2.28.
6. The double aluminum thermal insulation sunshade of claim 1, wherein the first metal oxide layer and the second metal oxide layer are both made of ITO and have a refractive index of 2.02.
7. The double aluminum thermal insulating sunshade of claim 1, wherein said first barrier layer and said second barrier layer are both chromium.
8. The double aluminum heat-insulating sunshade film of claim 1, wherein said scratch-resistant layer is made of modified polyurethane with a hardness of 4H.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221283720.XU CN217438080U (en) | 2022-05-26 | 2022-05-26 | Double-aluminum heat-insulation sunshade film |
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| CN202221283720.XU CN217438080U (en) | 2022-05-26 | 2022-05-26 | Double-aluminum heat-insulation sunshade film |
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| CN217438080U true CN217438080U (en) | 2022-09-16 |
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