Graphene heating film for front windshield glass of automobile

Abstract

The utility model discloses an automobile front windshield graphene heating film, which comprises a heating film, the top of the heating film is provided with an antistatic coating, the antistatic coating comprises a first insulating protective layer, a flame-retardant hot melt adhesive film and a second insulating protective layer, the flame-retardant hot melt adhesive film is positioned between the first insulating protective layer and the second insulating protective layer, and the flame-retardant hot melt adhesive film is positioned between the first insulating protective layer and the second insulating protective layer. The second insulating protection layer comprises a transparent graphene electrothermal film, a pressure-sensitive adhesive and an adhesive film layer, the pressure-sensitive adhesive is adhered to the upper surface of the adhesive film layer, and the transparent graphene electrothermal film is arranged on the upper surface of the pressure-sensitive adhesive. The anti-static effect of the automobile front windproof glass film can be good through the anti-static coating, dust is prevented from being easily attached to the film due to static electricity, and meanwhile the automobile front windproof glass film has high-temperature stability, abrasion resistance, electrical insulation performance and chemical stability through the first insulation protection layer and the second insulation protection layer.

Description

Technical Field

[0001] The utility model relates to the technical field of heating films, in particular to a graphene heating film for a front windshield of an automobile. Background Art

[0002] The front windshield is installed at the front of the car, and usually needs to be filmed to achieve the purpose of ultraviolet protection and heat insulation.

[0003] However, the existing car front windshield film has a poor anti-static effect. When the film generates static electricity, it is easy to be attached with some dust particles, which is inconvenient to clean the film, thereby affecting the use effect. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a graphene heating film for the front windshield of an automobile.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A graphene heating film for a car windshield comprises a heating film, wherein an antistatic coating is provided on the top of the heating film, and the antistatic coating comprises a first insulating protective layer, a flame-retardant hot-melt adhesive film and a second insulating protective layer.

[0007] As a further solution of the present invention, the flame retardant hot melt adhesive film is located between the first insulating protective layer and the second insulating protective layer.

[0008] As a further solution of the present invention, the second insulating protective layer includes a transparent graphene electric heating film, a pressure-sensitive adhesive and an adhesive film layer.

[0009] As a further solution of the present invention, the pressure-sensitive adhesive is bonded to the upper surface of the adhesive film layer, and the transparent graphene electric heating film is arranged on the upper surface of the pressure-sensitive adhesive.

[0010] The beneficial effects of the utility model are:

[0011] 1. The antistatic coating of the utility model has a good antistatic effect, and the first insulating protective layer and the second insulating protective layer have the advantages of high temperature stability, wear resistance, electrical insulation performance and chemical stability.

[0012] 2. The setting of pressure-sensitive adhesive can shield ultraviolet rays, has good dispersibility and weather resistance, and effectively improves the anti-ultraviolet performance of glass film.

[0013] 3. The transparent graphene electric heating film in this utility model has excellent light transmission, electrical conductivity and heating functions. When powered on, the graphene emits far-infrared radiation waves, which can radiate and heat the glass quickly, achieving the purpose of rapid defrosting and snow removal. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of a graphene heating film for a car windshield proposed in the utility model;

[0015] Figure 2 This is a partial enlarged structural diagram of a graphene heating film for a car windshield proposed by the utility model;

[0016] Figure 3 This is a schematic diagram of the enlarged structure of the adhesive film layer of the graphene heating film for the front windshield of an automobile proposed in the utility model.

[0017] In the figure: 1. Heating film; 2. Antistatic coating; 3. First insulating protective layer; 4. Flame-retardant hot melt adhesive film; 5. Second insulating protective layer; 6. Transparent graphene electric heating film; 7. Pressure-sensitive adhesive; 8. Adhesive film layer. DETAILED DESCRIPTION

[0018] It should be noted that the terms "first", "second", etc. in the description and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence, so that the embodiments of this application described here, based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of this application.

[0019] Reference Figure 1-Figure 3 A graphene heating film for the front windshield of a car includes a heating film 1. An antistatic coating 2 is provided on the top of the heating film 1. The thickness of the antistatic coating 3 is 3 to 7 microns, preferably 4 microns, and has a good antistatic effect. The antistatic coating 2 includes a first insulating protective layer 3, a flame-retardant hot melt adhesive film 4 and a second insulating protective layer 5.

[0020] In the present utility model, it should be noted that the flame-retardant hot-melt adhesive film 4 is located between the first insulating protective layer 3 and the second insulating protective layer 5. The material of the first insulating protective layer 3 and the second insulating protective layer 5 is polyimide, which has the advantages of high-temperature stability, wear resistance, electrical insulation performance and chemical stability. The second insulating protective layer 5 includes a transparent graphene electric heating film 6, a pressure-sensitive adhesive 7 and an adhesive film layer 8. The pressure-sensitive adhesive 7 is bonded to the upper surface of the adhesive film layer 8. The pressure-sensitive adhesive 7 can shield ultraviolet rays, has good dispersibility and weather resistance, and effectively improves the anti-ultraviolet performance of the glass film. The transparent graphene electric heating film 6 is arranged on the upper surface of the pressure-sensitive adhesive 7. The transparent graphene electric heating film 6 has excellent light transmittance, conductivity and heating functions. Graphene emits far-infrared radiation waves under power-on conditions, which can radiate and heat the glass quickly to achieve the purpose of rapid defrosting and snow removal.

[0021] The present invention has been described through the above embodiments. Those skilled in the art will understand that the present invention is not limited to the above embodiments, and more modifications can be made according to the teachings of the present invention. These modifications all fall within the scope of protection required by the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A graphene heating film for a car windshield, comprising a heating film (1), characterized in that: An antistatic coating (2) is provided on the top of the heating film (1), and the antistatic coating (2) comprises a first insulating protective layer (3), a flame-retardant hot-melt adhesive film (4), and a second insulating protective layer (5).

2. The graphene heating film for automobile windshield according to claim 1, characterized in that: The flame-retardant hot-melt adhesive film (4) is located between the first insulating protective layer (3) and the second insulating protective layer (5).

3. The graphene heating film for automobile windshield according to claim 1, characterized in that: The second insulating protective layer (5) comprises a transparent graphene electric heating film (6), a pressure-sensitive adhesive (7) and an adhesive film layer (8).

4. The graphene heating film for automobile windshield according to claim 3, characterized in that: The pressure-sensitive adhesive (7) is bonded to the upper surface of the adhesive film layer (8), and the transparent graphene electric heating film (6) is arranged on the upper surface of the pressure-sensitive adhesive (7).

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