CN220183124U - Refrigerating film - Google Patents
Refrigerating film Download PDFInfo
- Publication number
- CN220183124U CN220183124U CN202321505842.3U CN202321505842U CN220183124U CN 220183124 U CN220183124 U CN 220183124U CN 202321505842 U CN202321505842 U CN 202321505842U CN 220183124 U CN220183124 U CN 220183124U
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- CN
- China
- Prior art keywords
- film
- layer
- refrigeration
- foaming material
- protective layer
- Prior art date
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- 239000010410 layer Substances 0.000 claims abstract description 76
- 238000005057 refrigeration Methods 0.000 claims abstract description 62
- 239000000463 material Substances 0.000 claims abstract description 43
- 238000005187 foaming Methods 0.000 claims abstract description 40
- 239000011241 protective layer Substances 0.000 claims abstract description 35
- 238000009434 installation Methods 0.000 claims abstract description 5
- 239000012528 membrane Substances 0.000 claims description 10
- 239000006260 foam Substances 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 9
- 239000003507 refrigerant Substances 0.000 claims description 9
- 229920002313 fluoropolymer Polymers 0.000 claims description 8
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 7
- -1 polyethylene terephthalate Polymers 0.000 claims description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 7
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 7
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 7
- 239000002033 PVDF binder Substances 0.000 claims description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 4
- 239000006261 foam material Substances 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000002184 metal Substances 0.000 abstract description 11
- 239000012790 adhesive layer Substances 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 3
- 238000002310 reflectometry Methods 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229920009405 Polyvinylidenefluoride (PVDF) Film Polymers 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model discloses a refrigeration film, which comprises a protective layer, a foaming material layer, an installation adhesive layer and a release film which are sequentially laminated, wherein the solar reflectance of the foaming material layer is greater than or equal to 90%, and the atmospheric window emissivity is greater than or equal to 0.8. The refrigeration film has simpler structure, can reduce the steps of the whole production process and the production cost, and the cost of the foaming material is more than half lower than that of the metal reflecting layer, so the cost of the refrigeration film is lower. In addition, the mirror reflection of the foaming material layer is weak, so that the glossiness of the refrigeration film is low, improvement on the glossiness of the refrigeration film is not needed, the sunlight reflection effect and the atmospheric window emission effect of the refrigeration film are not affected, the refrigeration film has an excellent refrigeration effect, and meanwhile, the toner can be added during preparation of the foaming material, so that a multi-color system of the refrigeration film is realized.
Description
Technical Field
The utility model relates to the technical field of films, in particular to a refrigeration film.
Background
The traditional refrigeration membrane is generally formed by laminating protective layer, atmospheric window emitter layer, metal reflection layer, encapsulation layer, installation glue film and from the membrane in proper order, and during the use, the protective layer is the light side, however, the refrigeration membrane of traditional structure has following several defects at least:
1. during production, the air window emission layer is generally obtained by adopting a tape casting film making process, then the protective layer and the metal reflection layer are compounded by adopting glue, then the packaging layer is compounded, the mounting glue layer and the composite release film are coated, or the metal reflection layer is plated on the air window emission layer, then the protective layer and the packaging layer are compounded by adopting glue, and finally the mounting glue layer and the composite release film are coated, so that the production process is complex, the cost is high, and the efficiency is low.
2. The specular reflection phenomenon of the metal reflecting layer is serious, light pollution is easy to cause, the traditional refrigerating film can emboss the protective layer to form an uneven surface so as to reduce the glossiness of the refrigerating film, but after the surface of the protective layer is pressed into the uneven surface, dust is easy to deposit during use, so that the sunlight reflecting effect and the atmospheric window emission effect of the refrigerating film are influenced, and the refrigerating effect of the refrigerating film is further influenced.
3. The protective layer is typically a fluorocarbon polymer film, and due to the nature of the fluorocarbon polymer, the toner is difficult to add, making it difficult to achieve a multi-color system for the refrigerant film.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide the refrigeration film which has simple structure, excellent refrigeration effect and low cost and can regulate and control the color.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a refrigeration membrane, includes protective layer, foaming material layer, installation glue film and the release film that stacks gradually and sets up, wherein, the solar reflectance of foaming material layer is greater than or equal to 90%, and atmospheric window emissivity is greater than or equal to 0.8.
In one embodiment, the foamed material layer is selected from a polyethylene terephthalate foamed layer, a polymethyl methacrylate foamed layer, or a polyvinylidene fluoride foamed layer.
In one embodiment, the foamed material layer has a thickness of 30 μm to 200 μm.
In one embodiment, the foam layer is a color layer.
In one embodiment, the solar light transmittance of the protective layer is greater than or equal to 85% and the atmospheric window emissivity is greater than or equal to 0.85.
In one embodiment, the protective layer is selected from a fluorocarbon polymer film, a polyethylene terephthalate film, or a polymethyl methacrylate film.
In one embodiment, the protective layer is selected from fluorocarbon polymer films.
In one embodiment, the protective layer has a thickness of 20 μm to 50 μm.
In one embodiment, the thickness ratio of the protective layer to the foaming material layer is 1:1.5-1:10.
In one embodiment, the surface of the protective layer facing away from the foam layer is a flat surface.
In the refrigeration film, the foaming material layer has high reflectivity and high atmospheric window emissivity, so that the foaming material layer can replace a metal reflecting layer and an atmospheric window emitting layer of the traditional refrigeration film, the structure of the refrigeration film is simplified, and meanwhile, the foaming material layer has no corrosion problem of the metal reflecting layer, so that a packaging layer is not needed any more, and furthermore, the refrigeration film structure is simpler, the steps of the whole production process can be reduced, the production cost is reduced, the production efficiency is improved, and the cost of the foaming material is more than half lower than that of the metal reflecting layer, so that the cost of the refrigeration film is lower. In addition, the mirror reflection of foaming material layer is weak for the glossiness of refrigeration membrane is low, can not produce light pollution in the use, thereby need not to improve to the glossiness of refrigeration membrane, can not influence the sunlight reflection effect and the atmospheric window emission effect of refrigeration membrane, and then make the refrigeration membrane have excellent refrigeration effect, simultaneously, can add the toner when preparing foaming material, in order to realize the multicolour system of refrigeration membrane.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments or the conventional techniques of the present utility model, the drawings required for the descriptions of the embodiments or the conventional techniques will be briefly described below, and it is apparent that the drawings in the following descriptions are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.
Fig. 1 is a schematic structural view of a refrigeration film according to the present utility model.
In the figure: 21. a protective layer; 22. a foaming material layer; 23. installing an adhesive layer; 24. and (3) a release film.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on 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," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
As shown in fig. 1, the refrigeration film according to an embodiment of the present utility model includes a protective layer 21, a foam material layer 22, an installation glue layer 23, and a release film 24, which are sequentially stacked. The refrigeration film provided by the utility model is mainly applied to the surfaces of building structures, solar photovoltaic fields, logistics storage and transportation fields, high-tech agriculture fields, outdoor supplies fields, electronic power fields or aerospace fields and the like which need to be cooled, such as airport terminals, high-speed rail stations, convention centers, granaries, outdoor electric cabinets and the like, when the refrigeration film is applied, the release film 24 in the refrigeration film is peeled off, the refrigeration film is fixedly arranged on the surface of the building structures which need to be cooled by means of the mounting adhesive layer 23, at the moment, the protective layer 21 of the refrigeration film is the light inlet side, and the refrigeration film can reflect incident sunlight and transmit heat to the outer space in an infrared radiation mode of an atmospheric window band due to the fact that the foaming material layer 22 in the refrigeration film has reflectivity and atmospheric window band, so that the refrigeration effect is achieved, the temperature inside the building structures can be reduced, and the effect of no energy consumption cooling is achieved.
Different foaming materials have different base materials and different densities, shapes and the like of the foam holes, so that the reflectivity of the foaming materials to sunlight and the emissivity of the air window are different. Specifically, the foamed material layer 22 of the present utility model has a solar reflectance of 90% or more and an atmospheric window emissivity of 0.8 or more, and thus the foamed material layer 22 has both a high solar reflectance and a high atmospheric window emissivity, so that the cooling film has excellent solar reflectance and can transfer heat to the outer space in the form of infrared radiation of the atmospheric window band, thereby having excellent cooling effect.
In the refrigeration film of the utility model, the foaming material layer 22 has high reflectivity and high atmospheric window emissivity, so the foaming material layer 22 can replace a metal reflecting layer and an atmospheric window emitting layer of the traditional refrigeration film, the structure of the refrigeration film is simplified, and meanwhile, the foaming material layer 22 has no corrosion problem of the metal reflecting layer, so that a packaging layer is not needed, and the refrigeration film of the utility model has simpler structure. During production, the foaming material layer 22 can be prepared by adopting a foaming process, the protective layer 21 and the foaming material layer 22 are compounded by adopting glue, and finally the adhesive layer 23 and the composite release film 24 are coated, so that the steps of the whole production process can be reduced, the production cost is reduced, the production efficiency is improved, and the cost of the foaming material is more than half lower than that of the metal reflecting layer, so that the cost of the refrigeration film is lower.
In addition, the density of the foaming material layer 22 is low, so that the mass of the refrigeration film is lighter, and the requirement on the bearing capacity of the enclosure structure can be reduced.
Optionally, the foaming material layer 22 is preferably selected from a polyethylene terephthalate (PET) foaming layer, a polymethyl methacrylate (PMMA) foaming layer or a polyvinylidene fluoride (PVDF) foaming layer, so that the reflectivity of the refrigeration film to sunlight and the emissivity of the air window are better, and the refrigeration effect is better.
In addition, the color powder can be added in the preparation of the foaming material to obtain the colorful foaming material, and optionally, the foaming material layer 22 is a colorful layer, so that a multi-color system of the refrigeration film can be realized.
Optionally, a UV absorber and light stability may be added to the foamed material to enhance the weatherability of the refrigerant film.
Optionally, the thickness of the foaming material layer 22 is preferably 30 μm to 200 μm, and more preferably 80 μm to 190 μm, so that the solar light reflectivity and the atmospheric window emissivity of the refrigeration film can be ensured, the flexibility of the refrigeration film can be ensured, and the refrigeration film can be conveniently installed on the surface of the enclosure structure needing to be cooled.
In the refrigerating film, the protective layer 21 is mainly used for improving the weather resistance of the refrigerating film, and is generally selected from polymer films with excellent weather resistance, so that the solar reflectance of the refrigerating film reaches more than 90% and the atmospheric window emissivity reaches more than 0.8 under the cooperation of the protective layer 21. Optionally, the solar light transmittance of the protective layer 21 is greater than or equal to 85%, and the atmospheric window emissivity is greater than or equal to 0.85, so that the atmospheric window emissivity of the refrigeration film can be further improved while the solar light reflectance of the refrigeration film is ensured, specifically, the solar light reflectance of the refrigeration film can reach more than 90%, and the atmospheric window emissivity reaches more than 0.9.
Alternatively, the protective layer 21 is preferably a fluorocarbon polymer film, a polyethylene terephthalate film, or a polymethyl methacrylate film, and more preferably a fluorocarbon polymer film such as a polyvinylidene fluoride (PVDF) film, a Polytetrafluoroethylene (PTFE) film, or the like.
Further, UV absorbers and light stabilizers may be added during the preparation of these films to further improve the weatherability of the refrigerant film.
Optionally, the thickness of the protective layer 21 is preferably 20 μm to 50 μm, and more preferably 25 μm to 40 μm, so that the solar reflectance and the atmospheric window emissivity of the refrigeration film can be ensured, the flexibility of the refrigeration film can be ensured, and the refrigeration film can be conveniently installed on the surface of the enclosure structure needing to be cooled.
Optionally, the thickness ratio of the protective layer 21 to the foaming material layer 22 is 1:1.5-1:10, so that the protective layer 21 and the foaming material layer 22 can play a better synergistic effect, and the solar reflectance and the atmospheric window emissivity of the refrigeration film are ensured.
The surface of the protective layer 21 facing away from the foaming material layer 22 can be subjected to embossing treatment, or not subjected to embossing treatment, and the foaming material layer 22 has low glossiness due to weak specular reflection, so that light pollution can not be generated in the use process, the glossiness of the refrigeration film can not be improved, the sunlight reflection effect and the atmospheric window emission effect of the refrigeration film can not be influenced, and the refrigeration film has excellent refrigeration effect. Thus, the surface of the protective layer 21 facing away from the foam layer 22 is preferably a flat surface.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. The utility model provides a refrigeration membrane, its characterized in that includes protective layer, foaming material layer, installation glue film and the release film that stacks gradually and sets up, wherein, the solar reflectance of foaming material layer is greater than or equal to 90%, and atmospheric window emissivity is greater than or equal to 0.8.
2. A refrigeration film as recited in claim 1 wherein said foam material layer is selected from the group consisting of polyethylene terephthalate foam layer, polymethyl methacrylate foam layer, and polyvinylidene fluoride foam layer.
3. A refrigeration film as recited in claim 1 wherein said layer of foam material has a thickness of 30 μm to 200 μm.
4. The refrigerant film as recited in claim 1, wherein said foamed material layer is a colored layer.
5. The film of any of claims 1-4, wherein the protective layer has a solar transmittance of greater than or equal to 85% and an atmospheric window emissivity of greater than or equal to 0.85.
6. The refrigerant film as set forth in claim 5, wherein said protective layer is selected from the group consisting of fluorocarbon polymer film, polyethylene terephthalate film and polymethyl methacrylate film.
7. The refrigerant film as set forth in claim 6, wherein said protective layer is selected from the group consisting of fluorocarbon polymer films.
8. The refrigerant film as set forth in claim 5, wherein said protective layer has a thickness of 20 μm to 50 μm.
9. The refrigerant film as set forth in claim 8, wherein the thickness ratio of said protective layer to said foam layer is 1:1.5-1:10.
10. The refrigerant film as set forth in claim 5, wherein the surface of said protective layer facing away from said foam layer is a flat surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321505842.3U CN220183124U (en) | 2023-06-13 | 2023-06-13 | Refrigerating film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321505842.3U CN220183124U (en) | 2023-06-13 | 2023-06-13 | Refrigerating film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220183124U true CN220183124U (en) | 2023-12-15 |
Family
ID=89099067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321505842.3U Active CN220183124U (en) | 2023-06-13 | 2023-06-13 | Refrigerating film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220183124U (en) |
-
2023
- 2023-06-13 CN CN202321505842.3U patent/CN220183124U/en active Active
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