Light-operated heat insulation film

Abstract

The utility model belongs to the technical field of film materials, and particularly relates to a light-operated heat insulation film. Comprising a PET release film layer, a positioning adhesive layer, an optical-grade PET film layer, a transparent substrate layer, an adhesive layer, an ultraviolet-proof film layer, a composite adhesive layer and a wear-resistant layer. A layer of metal heat insulation film is plated on the optical grade PET film layer, and the ultraviolet-proof film layer is an ultraviolet-proof UV film. According to the light-operated heat-insulating film provided by the invention, the optical-grade PET film layer plated with the metal heat-insulating film is arranged on the surface of the ultraviolet-proof film layer, so that the heat of strong light can be reflected, the heat-insulating effect is realized, the ultraviolet-proof film can isolate ultraviolet rays, the protection effect is further enhanced, and a light absorption area of the transparent base material layer absorbs light rays and limits the light rays from passing through; according to the light-operated heat insulation film, the heat insulation effect and the ultraviolet-proof effect are more ideal, the peep-proof effect is achieved, and the use effect is better.

Description

Technical Field

[0001] The utility model belongs to the technical field of film materials, and particularly relates to a light-controlled heat-insulating film. Background Art

[0002] With the development of the automotive industry, the home furnishing industry, and the construction industry, more and more surfaces of automobiles, building glass, home glass, etc. choose to paste protective films. The scenarios of pasting glass films on the surfaces of automotive glass, window glass, and building exterior curtain walls are increasing. The protection of glass is becoming more and more popular. Glass films can not only protect glass but also resist the irradiation of some strong light. As people's requirements for the quality of glass films are getting higher and higher, there are various existing glass film varieties and types. However, the heat insulation and ultraviolet protection effects of existing glass films are not ideal, and the use effects are not good. Content of the Utility Model

[0003] The purpose of the utility model is to provide a light-controlled heat-insulating film, aiming to solve the technical problems that the heat insulation and ultraviolet protection effects of the existing glass films are not ideal and the use effects are not good.

[0004] To achieve the above purpose, the light-controlled heat-insulating film provided by the embodiment of the utility model includes a PET release film layer, a positioning adhesive layer, an optical-grade PET film layer, a transparent substrate layer, an adhesive layer, an ultraviolet protection film layer, a composite adhesive layer, and a wear-resistant layer. The PET release film layer, the positioning adhesive layer, the optical-grade PET film layer, the transparent substrate layer, the adhesive layer, the ultraviolet protection film layer, the composite adhesive layer, and the wear-resistant layer are arranged in sequence from bottom to top; the upper part of the PET release film layer is connected to the optical-grade PET film layer through the positioning adhesive layer; the upper part of the ultraviolet protection film layer is connected to the wear-resistant layer through the composite adhesive layer, and the lower part is connected to the transparent substrate layer through the adhesive layer; a metal heat-insulating film is plated on the optical-grade PET film layer; the ultraviolet protection film layer is an ultraviolet protection UV film; the surface of the transparent substrate layer is provided with a light-transmitting area and a light-absorbing area, and both the light-transmitting area and the light-absorbing area are provided with a plurality of them and are arranged alternately, and the light-transmitting area and the light-absorbing area form a first optical structure.

[0005] As an optional solution of the utility model, the metal heat-insulating film includes a metal plating layer, and the metal plating layer is a nickel-plated metal layer or a gold-plated metal layer or a silver-plated metal layer or a copper-plated metal layer or a chromium-plated metal layer or a titanium-plated metal layer.

[0006] As an optional solution of the utility model, the PET release film layer is a single-silicon PET release film or a TPX release film or a PP release film or a matte film, and the thickness of the PET release film layer is 20 - 25 microns.

[0007] As an alternative solution of the present utility model, the positioning adhesive layer is an elastomeric pressure-sensitive adhesive or a resin-based pressure-sensitive adhesive, and the thickness of the positioning adhesive layer is 10-15 microns.

[0008] As an alternative solution of the present utility model, the thickness of the ultraviolet-proof film layer is 30-40 microns.

[0009] As an alternative solution of the present utility model, the composite adhesive layer uses a UV pressure-sensitive adhesive, and the thickness of the composite adhesive layer is 5-10 microns.

[0010] As an alternative solution of the present utility model, the wear-resistant layer uses a TPU scratch-proof film, and the thickness of the wear-resistant layer is 10-15 microns.

[0011] One or more of the above technical solutions in the light-controlled heat-insulating film provided by the embodiments of the present utility model have at least one of the following technical effects:

[0012] The light-controlled heat-insulating film provided by the present application includes a PET release film layer, a positioning adhesive layer, an optical-grade PET film layer, an ultraviolet-proof film layer, a composite adhesive layer and a wear-resistant layer. By providing an optical-grade PET film layer coated with a metal heat-insulating film on the surface of the ultraviolet-proof film layer, it can reflect heat from strong light to achieve a heat-insulating effect. The ultraviolet-proof film can isolate ultraviolet rays and further enhance the protection effect. The scratch-proof layer is used to improve the overall scratch-proof performance of the heat-insulating film. The PET release film layer is provided through the positioning adhesive layer under the ultraviolet-proof film layer, which is convenient for storing the glass film. The light-absorbing area of the transparent substrate layer absorbs light and restricts the passage of light, and the light passes through the light-transmitting area, thereby forming a privacy protection structure. The light-controlled heat-insulating film provided by the present application has a more ideal heat-insulating effect and ultraviolet-proof effect, and has a privacy protection function, and the use effect is better. Description of the Drawings

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0014] Figure 1 It is a partial enlarged sectional view of the light-controlled heat-insulating film provided by the embodiment of the present utility model.

[0015] Among them, the reference numerals in the drawings:

[0016] 1. PET release film layer; 2. Positioning adhesive layer; 3. Optical-grade PET film layer; 4. Ultraviolet-proof film layer; 5. Composite adhesive layer; 6. Wear-resistant layer; 7. Metal heat-insulating film; 8. Transparent substrate layer;

[0017] 81. Light-transmitting area; 82. Light-absorbing area. Detailed implementation manner

[0018] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the embodiments of the present utility model and should not be construed as limiting the present utility model.

[0019] In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

[0020] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the embodiments of the present utility model, the meaning of "a plurality" is two or more unless otherwise specifically defined.

[0021] In the embodiments of the present utility model, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0022] In one embodiment of the present utility model, as Figure 1As shown in the figure, a light-controlled heat-insulating film is provided, which includes a PET release film layer 1, a positioning adhesive layer 2, an optical-grade PET film layer 3, a transparent substrate layer 8, an adhesive layer 10, an anti-ultraviolet film layer 4, a composite adhesive layer 5 and an abrasion-resistant layer 6. The PET release film layer 1, the positioning adhesive layer 2, the optical-grade PET film layer 3, the transparent substrate layer 8, the adhesive layer 10, the anti-ultraviolet film layer 4, the composite adhesive layer 5 and the abrasion-resistant layer 6 are sequentially arranged from bottom to top. The upper part of the PET release film layer 1 is fixedly connected to the optical-grade PET film layer 3 through the positioning adhesive layer 2. The upper part of the anti-ultraviolet film layer 4 is fixedly connected to the abrasion-resistant layer 6 through the composite adhesive layer 5, and the lower part is fixedly connected to the transparent substrate layer 8 through the adhesive layer 10. A metal heat-insulating film 7 is plated on the optical-grade PET film layer 3. The light-absorbing area 82 of the transparent substrate layer 8 absorbs light and restricts the passage of light, and the light passes through the light-transmitting area 81, thereby forming a privacy protection structure. The anti-ultraviolet film layer 4 is an anti-ultraviolet UV film. The surface of the transparent substrate layer 8 is provided with a light-transmitting area 81 and a light-absorbing area 82. Both the light-transmitting area 81 and the light-absorbing area 82 are provided with a plurality of them and are alternately arranged. The light-transmitting area 81 and the light-absorbing area 82 form a first optical structure. The first optical structure forms a privacy protection structure through the light-transmitting area 81 and the light-absorbing area 82. The light-absorbing area 82 absorbs light and restricts the passage of light, and the light passes through the light-transmitting area 81, thereby forming a privacy protection structure. The transparent substrate layer 8 is selected from any one of polyethylene terephthalate (PET), polycarbonate (PC), polyvinyl chloride (PVC) and polyimide (PI). The first optical structure is formed as follows: a photocurable white glue protruding outward is arranged at intervals on the surface of the transparent substrate layer 8, and the photocurable white glue forms the light-transmitting area 81 after being UV-cured; then black glue is arranged between the two light-transmitting areas 81, and the black glue forms the light-absorbing area 82 after being cured. The light-controlled heat-insulating film provided by the present application can reflect heat from strong light through the optical-grade PET film layer 3 plated with a metal heat-insulating film 7 on the surface of the anti-ultraviolet film layer 4 to achieve a heat-insulating effect. The anti-ultraviolet film can isolate ultraviolet rays and further enhance the protection effect. The anti-scratch layer is used to improve the overall anti-scratch performance of the heat-insulating film. The lower part of the anti-ultraviolet film layer 4 is provided with a PET release film layer 1 through the positioning adhesive layer 2, which is convenient for storing the glass film. The light-absorbing area 82 of the transparent substrate layer 8 absorbs light and restricts the passage of light, and the light passes through the light-transmitting area 81, thereby forming a privacy protection structure. The light-controlled heat-insulating film provided by the present application has a more ideal heat-insulating effect and anti-ultraviolet effect, and has a privacy protection function, and the use effect is better.

[0023] In another embodiment of the present invention, the metal heat-insulating film 7 of the light-controlled heat-insulating film includes a metal plating layer, and the metal plating layer is a nickel-plated metal layer or a gold-plated metal layer or a silver-plated metal layer or a copper-plated metal layer or a chromium-plated metal layer or a titanium-plated metal layer. The metal plating layer can reflect heat from strong light to achieve a heat-insulating effect.

[0024] In another embodiment of the present utility model, the PET release film layer 1 of the light-controlled heat-insulating film is a single-silicon PET release film, or a TPX release film, or a PP release film, or a matte film. The thickness of the PET release film layer 1 is 20 - 25 microns, preferably 22 microns.

[0025] In another embodiment of the present utility model, the positioning adhesive layer 2 of the light-controlled heat-insulating film is an elastomeric pressure-sensitive adhesive or a resinous pressure-sensitive adhesive. The thickness of the positioning adhesive layer 2 is 10 - 15 microns, preferably 12 microns.

[0026] In another embodiment of the present utility model, the thickness of the ultraviolet-proof film layer 4 of the light-controlled heat-insulating film is 30 - 40 microns, preferably 35 microns.

[0027] In another embodiment of the present utility model, the composite adhesive layer 5 of the light-controlled heat-insulating film uses a UV pressure-sensitive adhesive. The thickness of the composite adhesive layer 5 is 5 - 10 microns, preferably 8 microns.

[0028] In another embodiment of the present utility model, the wear-resistant layer 6 of the light-controlled heat-insulating film uses a TPU scratch-resistant film. The thickness of the wear-resistant layer 6 is 10 - 15 microns, preferably 12 microns.

[0029] The light-controlled heat-insulating film provided by the present application can reflect heat from strong light to achieve a heat-insulating effect by providing an optical-grade PET film layer 3 coated with a metal heat-insulating film 7 on the surface of the ultraviolet-proof film layer 4. The ultraviolet-proof film can isolate ultraviolet rays and further enhance the protection effect. The scratch-resistant layer is used to improve the overall scratch resistance of the heat-insulating film. The PET release film layer 1 is provided through the positioning adhesive layer 2 below the ultraviolet-proof film layer 4, which is convenient for storing the glass film. The light-absorbing area 82 of the transparent substrate layer 8 absorbs light and restricts the passage of light, and the light passes through the light-transmitting area 81, thereby forming a privacy protection structure. The light-controlled heat-insulating film provided by the present application has a more ideal heat-insulating effect and ultraviolet-proof effect, and has a privacy protection function, and the use effect is better.

[0030] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A light-controlled heat-insulating film, characterized in that It includes a PET release film layer, a positioning adhesive layer, an optical grade PET film layer, a transparent substrate layer, an adhesive layer, an anti-ultraviolet film layer, a composite adhesive layer and a wear-resistant layer. The PET release film layer, the positioning adhesive layer, the optical grade PET film layer, the transparent substrate layer, the adhesive layer, the anti-ultraviolet film layer, the composite adhesive layer and the wear-resistant layer are arranged in sequence from bottom to top. The upper part of the PET release film layer is connected to the optical grade PET film layer through the positioning adhesive layer. The upper part of the anti-ultraviolet film layer is connected to the wear-resistant layer through the composite adhesive layer, and the lower part is connected to the transparent substrate layer through the adhesive layer. A metal heat-insulating film is plated on the optical grade PET film layer. The anti-ultraviolet film layer is an anti-ultraviolet UV film. The surface of the transparent substrate layer is provided with a light-transmitting area and a light-absorbing area. Both the light-transmitting area and the light-absorbing area are provided with a plurality of them and are arranged alternately, and the light-transmitting area and the light-absorbing area form a first optical structure.

2. The light-controlled heat-insulating film according to claim 1, characterized in that, The metal heat-insulating film includes a metal plating layer, and the metal plating layer is a nickel-plated metal layer or a gold-plated metal layer or a silver-plated metal layer or a copper-plated metal layer or a chromium-plated metal layer or a titanium-plated metal layer.

3. The light-controlled heat-insulating film according to claim 1, wherein, The PET release film layer is a single-silicon PET release film or a TPX release film or a PP release film or a matte film, and the thickness of the PET release film layer is 20-25 microns.

4. The light-controlled heat-insulating film according to claim 1, characterized in that, The positioning adhesive layer is an elastomeric pressure-sensitive adhesive or a resin-based pressure-sensitive adhesive, and the thickness of the positioning adhesive layer is 10-15 microns.

5. The light-controlled heat-insulating film according to claim 1, characterized in that, The thickness of the anti-ultraviolet film layer is 30-40 microns.

6. The light-controlled heat-insulating film according to claim 1, wherein The composite adhesive layer uses a UV pressure-sensitive adhesive, and the thickness of the composite adhesive layer is 5-10 microns.

7. The light-controlled heat-insulating film according to claim 1, wherein The wear-resistant layer uses a TPU scratch-resistant film, and the thickness of the wear-resistant layer is 10-15 microns.

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