Heat-conducting insulating double-sided pressure-sensitive adhesive tape

Abstract

The utility model relates to the technical field of pressure-sensitive adhesive tapes, in particular to a heat-conducting and insulating double-sided pressure-sensitive adhesive tape. In order to solve the problems that the temperature is too high, the service life of an electronic component is shortened and even faults or damages may be caused due to the fact that heat of equipment or components cannot be effectively dissipated due to poor thermal conductivity of an adhesive, the utility model provides the following technical scheme: the adhesive comprises a reinforcing layer which is used for providing enough mechanical strength; the two groups of heat conducting layers are respectively coated on the two sides of the reinforcing layer, and the heat conducting layers are used for conducting heat; the insulating layer is coated on one side, far away from the reinforcing layer, of the heat conducting layer, and is used for providing good electrical insulation; the heat absorption layer is arranged on the side, away from the heat conduction layer, of the insulation layer and used for improving the heat transfer effect. The adhesive tape is a special adhesive tape integrating multiple functions of heat conduction, insulation, strong adhesion and the like, is excellent in heat conduction effect, and effectively prevents equipment from being damaged due to overheating.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure sensitive adhesive tape technical field especially relates to a heat conduction insulation double -sided pressure sensitive adhesive tape. BACKGROUND

[0002] Pressure sensitive adhesive tape is a kind of adhesive tape that can be adhered without heating, solvent or moisture. Its adhesion depends on external pressure, not temperature or solvent, so it can be quickly pasted at room temperature. The adhesive of pressure sensitive adhesive tape is usually based on synthetic rubber, acrylic resin or other organic polymers. These materials have relatively poor thermal conductivity, which can cause the temperature of equipment or components to be too high due to the inability to effectively dissipate heat. Overheating can shorten the service life of electronic components and even cause malfunctions or damage. In view of this, the utility model provides a heat-conducting insulation double-sided pressure sensitive adhesive tape. SUMMARY

[0003] The utility model aims at the problem of poor thermal conductivity of adhesive in the background art, which leads to high temperature of equipment or components due to the inability to effectively dissipate heat, shortens the service life of electronic components, and even causes malfunctions or damage, and provides a heat-conducting insulation double-sided pressure sensitive adhesive tape.

[0004] The technical scheme of the utility model: a heat-conducting insulation double-sided pressure sensitive adhesive tape, comprising a reinforcing layer for providing sufficient mechanical strength, two groups of heat-conducting layers coated on both sides of the reinforcing layer, the heat-conducting layers for conducting heat, an insulating layer coated on the side of the heat-conducting layer away from the reinforcing layer, the insulating layer for providing good electrical insulation, a heat-absorbing layer provided on the side of the insulating layer away from the heat-conducting layer, the heat-absorbing layer for improving heat transfer effect, an adhesive layer coated on the side of the heat-absorbing layer away from the insulating layer, the adhesive layer for providing strong adhesion, and a protective layer bonded to the side of the adhesive layer away from the heat-absorbing layer, the protective layer for preventing the adhesive tape from being contaminated or damaged before use.

[0005] Optionally, a plurality of groups of heat-conducting fibers are pressure-connected on both sides of the reinforcing layer, and the heat-conducting fibers penetrate through the heat-conducting layer and the insulating layer.

[0006] Optionally, a plurality of holes are provided in the reinforcing layer to form heat-conducting channels to improve heat-conducting capacity and structural strength.

[0007] Optionally, the reinforcing layer is made of carbon fiber material.

[0008] Optionally, the heat-conducting layer is made of graphite material.

[0009] Optionally, the insulating layer is made of polyimide material.

[0010] Optionally, the heat-absorbing layer is made of heat-conducting silica gel material, and the heat-conducting filler is compounded in the heat-absorbing layer.

[0011] Optionally, the adhesive layer is made of heat-conducting adhesive material.

[0012] Optionally, the protective layer is made of polyethylene material.

[0013] Optionally, the thickness of the reinforcing layer is 100-500 μm, and the thickness of the heat-conducting layer, the insulating layer, the heat-absorbing layer, the adhesive layer and the protective layer is 50-300 μm.

[0014] In summary, the present application has at least one of the following beneficial technical effects:

[0015] The heat-conducting fiber is arranged, so that after the heat is conducted to the heat-absorbing layer through the adhesive layer, the heat can be dissipated into the reinforcing layer through the heat-conducting fiber, and the heat-conducting effect is improved through the heat-conducting channel in the reinforcing layer.

[0016] Further, the insulating layer is arranged, so that the adhesive tape has good heat-conducting and insulating properties.

[0017] In summary, the present application is a special adhesive tape which has multiple functions of heat-conducting, insulating and strong adhesion, and has excellent heat-conducting effect, so that the damage of the equipment due to overheating is effectively prevented. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A structure schematic diagram of the heat-conducting and insulating double-sided pressure-sensitive adhesive tape is given.

[0019] Figure 2 A disassembled structure schematic diagram of the heat-conducting and insulating double-sided pressure-sensitive adhesive tape is given.

[0020] Reference signs:

[0021] 1, reinforcing layer; 2, heat-conducting layer; 3, insulating layer; 4, heat-absorbing layer; 5, adhesive layer; 6, protective layer; 23, heat-conducting fiber. DETAILED DESCRIPTION

[0022] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments.

[0023] The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application.

[0024] Based on the embodiments of the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of the utility model protection.

[0025] In the description of the utility model, it is to be explained that the orientation or positional relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or positional relation shown based on the drawing, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as the restriction on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying the relative importance.

[0026] In the description of the utility model, it is to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, can be fixed connection, or detachable connection, or integrally connected, can be mechanical connection, or electrical connection, can be directly connected, or indirectly connected through intermediate medium, can be the communication inside two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] Embodiment

[0028] As shown in Figure 1 and Figure 2 The utility model provides a kind of heat-conducting insulation double-sided pressure sensitive adhesive tape, including reinforcing layer 1, reinforcing layer 1 is used to provide sufficient mechanical strength. Reinforcing layer 1 is provided with multiple groups of holes, for forming heat-conducting channel to improve heat-conducting capacity, while improving structural strength. The thickness of reinforcing layer 1 is 100 μm, reinforcing layer 1 is made of carbon fiber material, and carbon fiber has high strength, good rigidity and excellent thermal conductivity. By selecting different forms of carbon fiber such as short fiber, long fiber or mesh structure, heat conductivity and strength can be controlled.

[0029] Two groups of heat-conducting layer 2, two groups of heat-conducting layer 2 are respectively coated on the two sides of reinforcing layer 1, and heat-conducting layer 2 is used to conduct heat. The thickness of heat-conducting layer 2 is 50 μm, and heat-conducting layer 2 is made of graphite material, and graphite has excellent heat-conducting performance, which can effectively conduct heat from high-temperature source. At the same time, graphite is electrically insulated, which can effectively prevent current leakage. Graphite material generally has high flexibility, which is suitable for adhering irregular surface.

[0030] An insulating layer 3 is coated on the side of the heat-conducting layer 2 away from the reinforcing layer 1, and the insulating layer 3 is used to provide good electrical insulation. The thickness of the insulating layer 3 is 50 μm, and the insulating layer 3 is made of polyimide material, which has excellent electrical insulation and high-temperature resistance and can remain stable in a high-temperature environment.

[0031] A heat-absorbing layer 4 is arranged on the side of the insulating layer 3 away from the heat-conducting layer 2, and the heat-absorbing layer 4 is used to improve the heat transfer effect. The thickness of the heat-absorbing layer 4 is 50 μm, and the heat-absorbing layer 4 is made of heat-conducting silica gel material, which has good heat conductivity and flexibility and can provide effective contact between different surfaces. It can also fill small gaps and improve the heat conduction efficiency. The heat-absorbing layer 4 is also compounded with heat-conducting fillers such as ceramic powder and conductive carbon material, which can improve the heat conduction effect by adding powders with good heat conduction effect.

[0032] An adhesive layer 5 is coated on the side of the heat-absorbing layer 4 away from the insulating layer 3, and the adhesive layer 5 is used to provide strong adhesion. The thickness of the adhesive layer 5 is 50 μm, and the adhesive layer 5 is made of heat-conducting adhesive material, which not only provides adhesion but also effectively conducts heat. Such adhesives contain heat-conducting fillers such as ceramic and metal powder, so they can not only ensure good adhesion but also help heat conduction from the heat source.

[0033] A protective layer 6 is adhered to the side of the adhesive layer 5 away from the heat-absorbing layer 4, and the protective layer 6 is used to prevent the tape from being contaminated or damaged before use. The thickness of the protective layer 6 is 50 μm, and the protective layer 6 is made of polyethylene material, which has high mechanical strength and temperature resistance. It can effectively prevent contamination, friction, and damage to the tape during transportation and storage.

[0034] A plurality of heat-conducting fibers 23 are crimped on both sides of the reinforcing layer 1, and the heat-conducting fibers 23 penetrate the heat-conducting layer 2 and the insulating layer 3, which are used to improve the heat conduction effect and help heat conduction.

[0035] In this embodiment, the multiple groups of holes arranged in the reinforcing layer 1 form heat conduction channels to improve the heat conduction capacity and increase the structural strength. The reinforcing layer 1 has high strength, good rigidity, and excellent thermal conductivity. By selecting different forms of carbon fibers such as short fibers, long fibers, or mesh structures, the thermal conductivity and strength can be controlled. The heat conduction layer 2 has excellent heat conduction performance and can effectively conduct heat away from the high-temperature source. At the same time, graphite is electrically insulating and can effectively prevent current leakage. Graphite materials generally have high flexibility and are suitable for conforming to irregular surfaces. The insulating layer 3 has excellent electrical insulation and high-temperature resistance and can remain stable in high-temperature environments. The heat absorption layer 4 has good thermal conductivity and flexibility and can provide effective contact between different surfaces. It can also fill small gaps to improve heat conduction efficiency. At the same time, the heat absorption layer 4 is compounded with heat-conducting fillers such as ceramic powder and conductive carbon materials, which can improve the heat conduction effect by adding powders with good heat conduction effect. The adhesive layer 5 not only provides adhesion but also effectively conducts heat. Such adhesives contain heat-conducting fillers such as ceramics and metal powders, so they not only ensure good adhesion but also help conduct heat away from the heat source. The protective layer 6 has high mechanical strength and temperature resistance. It can effectively prevent contamination, friction, and damage to the tape during transportation and storage. The multiple groups of heat-conducting fibers 23 on both sides of the reinforcing layer 1 improve heat conduction and help conduct heat.

[0036] The above specific embodiments are only optional embodiments of the present application. Based on the technical solutions of the present application and the related inspiration of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A heat-conductive, insulating double-sided pressure sensitive adhesive tape, characterized by, include: A reinforcing layer (1), wherein the reinforcing layer (1) is used to provide sufficient mechanical strength; Two groups of heat-conducting layers (2), the two groups of heat-conducting layers (2) are respectively coated on both sides of the reinforcing layer (1), and the heat-conducting layers (2) are used to conduct heat; an insulating layer (3) coated on a side of the heat-conducting layer (2) away from the reinforcing layer (1), wherein the insulating layer (3) is used to provide good electrical insulation; a heat absorbing layer (4) disposed on a side of the insulating layer (3) away from the heat conducting layer (2), the heat absorbing layer (4) being used to improve a heat transfer effect; an adhesive layer (5) coated on a side of the heat-absorbing layer (4) away from the insulating layer (3), wherein the adhesive layer (5) is used to provide strong adhesion; A protective layer (6) is bonded to the adhesive layer (5) on a side away from the heat absorption layer (4), and the protective layer (6) is used to prevent the adhesive tape from being contaminated or damaged before use.

2. The heat-conducting and insulating double-sided pressure sensitive adhesive tape according to claim 1, wherein Multiple groups of heat-conducting fibers (23) are pressed onto both sides of the reinforcement layer (1), and the heat-conducting fibers (23) penetrate the heat-conducting layer (2) and the insulation layer (3).

3. The heat-conducting and insulating double-sided pressure sensitive adhesive tape according to claim 2, wherein The reinforcing layer (1) is provided with a plurality of groups of holes for forming heat conduction channels to improve heat conduction capacity and structural strength.

4. The heat-conducting and insulating double-sided pressure sensitive adhesive tape according to claim 3, wherein The reinforcement layer (1) is made of carbon fiber material.

5. The heat-conducting, insulating, double-sided pressure sensitive adhesive tape according to claim 4, characterized in that The heat conducting layer (2) is made of graphite material.

6. The heat-conducting, insulating, double-sided pressure sensitive adhesive tape according to claim 5, characterized in that The insulating layer (3) is made of polyimide material.

7. The heat-conducting, insulating double-sided pressure sensitive adhesive tape according to claim 6, wherein The heat absorption layer (4) is made of a heat-conductive silica gel material, and a heat-conductive filler is compounded in the heat absorption layer (4).

8. The heat-conducting, insulating double-sided pressure sensitive adhesive tape according to claim 7, wherein The bonding layer (5) is made of a heat-conducting adhesive material.

9. The heat-conducting, insulating double-sided pressure sensitive adhesive tape according to claim 8, wherein The protective layer (6) is made of polyethylene material.

10. The heat-conducting, insulating double-sided pressure sensitive adhesive tape according to claim 9, wherein The thickness of the reinforcing layer (1) is 100 μm to 500 μm, and the thickness of the heat-conducting layer (2), the insulating layer (3), the heat-absorbing layer (4), the adhesive layer (5) and the protective layer (6) are all 50 μm to 300 μm.

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