Insulating heat-conducting adhesive tape

By designing a multi-layer structure in the tape, including a waterproof pressure-sensitive adhesive layer, an epoxy resin insulation layer, a metal powder layer and a thermal conductivity layer, the problems of low adhesion and insufficient thermal conductivity of the PI tape adhesive layer are solved, and the tape performance is achieved with high temperature resistance, strong heat conductivity and good insulation.

CN222540698UActive Publication Date: 2025-02-28SUZHOU SHIWO ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202420631732.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-29
Publication Date
2025-02-28
Estimated Expiration
2034-03-29

AI Technical Summary

Technical Problem

The existing PI tape adhesive layer has low adhesion and insufficient thermal conductivity, resulting in limitations in use and a lack of comprehensive solutions for insulation, leakage protection and thermal conductivity.

Method used

An insulating thermal tape is designed, including a silicone ring, tape body, baseband, adhesive layer, label sticker, waterproof pressure-sensitive adhesive layer, epoxy resin insulation layer, metal powder layer and thermal conductivity layer. The combination of these layers is improved by improving the cohesive strength, adhesive force, insulation and thermal conductivity of the tape.

Benefits of technology

The tape is achieved with high high temperature resistance, strong thermal conductivity and good insulation, which enhances the adhesiveness of the tape, avoids safety hazards, and ensures safety of use.

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Abstract

The utility model relates to the technical field of adhesive tapes, in particular to an insulating heat-conducting adhesive tape which comprises a silica gel ring, an adhesive tape main body is wound at the outer end of the silica gel ring, a base tape is mounted on the adhesive tape main body, an adhesive layer is mounted on the base tape, and a label sticker is adhered to one end, far away from the base tape, of the adhesive layer. A waterproof pressure-sensitive adhesive layer is mounted in the adhesive tape main body, an epoxy resin insulating layer is mounted on one side of the waterproof pressure-sensitive adhesive layer, and a metal powder layer is arranged at one end, far away from the waterproof pressure-sensitive adhesive layer, of the epoxy resin insulating layer. The label sticker is adhered to the base tape of the heat-conducting adhesive tape through the adhesive layer, relevant information can be displayed, and the waterproof pressure-sensitive adhesive layer and the epoxy resin insulating layer are arranged in the adhesive tape main body, so that the adhesive layer has enough cohesive strength and adhesive strength and has relatively high insulativity and compressive strength; the stability and the corrosion resistance of the insulating heat-conducting adhesive tape are improved by plating a protective film with a metal powder layer on the surface, so that the use safety of the insulating heat-conducting adhesive tape is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of adhesive tapes, in particular to an insulating thermally conductive adhesive tape. Background Art

[0002] Benefiting from the booming trend of semiconductor, display panel and PCB industries, thermal conductive materials have also entered a period of rapid development. With the trend of miniaturization, high power and multi-function of various electronic devices, the thermal conductivity and heat distribution ability of the equipment has become one of the important indicators to measure its quality. How to select high thermal conductivity material structure combination design is the key to improving thermal conductivity, which can effectively extend the service life of electronic products.

[0003] According to the patent application number CN214528804U, a thermally conductive insulating PI tape is provided, including a tape body, the interior of the tape body includes a thermally conductive insulating silicone rubber coating, and the bottom of the thermally conductive insulating silicone rubber coating is bonded and connected with a polyimide material layer. The utility model can effectively improve the high temperature resistance of the tape by adding a thermally conductive insulating silicone rubber coating, a polyimide material layer and acrylic glue inside the tape body, and the temperature resistance can reach 150 degrees, and the thermal conductivity is 1 to 5w / mk, which can greatly improve the adhesion between the internal adhesive layers of the PI tape, and the thermal conductivity is strong, and at the same time solves the problem that the adhesion between the adhesive layers of the existing PI tape is low, the thermal conductivity is not good enough, and there are limitations in use.

[0004] The patent application documents mainly address the problems of low adhesion and poor thermal conductivity, but insulation, leakage prevention, and thermal conductivity have not been effectively solved. In addition, most of the current tapes do not have labels, which does not maximize the usefulness of the tape. An insulating thermally conductive tape is needed to solve this problem. Utility Model Content

[0005] The purpose of the utility model is to provide an insulating thermally conductive tape to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an insulating thermally conductive tape, comprising a silicone ring, a tape body wound around the outer end of the silicone ring, a base tape installed on the tape body, an adhesive layer installed on the base tape, a label adhered to the end of the adhesive layer away from the base tape, a waterproof pressure-sensitive adhesive layer installed in the tape body, an epoxy resin insulating layer installed on one side of the waterproof pressure-sensitive adhesive layer, a metal powder layer provided at one end of the epoxy resin insulating layer away from the waterproof pressure-sensitive adhesive layer, and a thermally conductive layer installed at one end of the metal powder layer away from the epoxy resin insulating layer.

[0007] As a preferred technical solution of the utility model, a heat insulating layer is installed at one end of the heat conducting layer away from the metal powder layer, and the thickness of the heat insulating layer is 0.5-0.7 mm.

[0008] As a preferred technical solution of the utility model, a release paper is installed at one end of the waterproof pressure-sensitive adhesive layer away from the epoxy resin insulating layer, and the thickness of the release paper is 0.4-0.6 mm.

[0009] As a preferred technical solution of the utility model, the thickness of the epoxy resin insulation layer is 0.8 mm, the thickness of the waterproof pressure-sensitive adhesive layer is 0.8 mm, and the thickness of the waterproof pressure-sensitive adhesive layer is the same as that of the epoxy resin insulation layer.

[0010] As a preferred technical solution of the utility model, the thickness of the metal powder layer is 0.7 mm, and the thickness of the heat-conducting layer is 0.5 mm.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] (1) The utility model is an insulating thermally conductive tape. A label is adhered to the base tape of the thermally conductive tape provided in the device through an adhesive layer, and relevant information can be displayed. The arrangement of a waterproof pressure-sensitive adhesive layer and an epoxy resin insulating layer in the tape body gives the adhesive layer sufficient cohesive strength and adhesion while having high insulation and compressive strength. A protective film of a metal powder layer is plated on the surface to increase its stability and corrosion resistance, thereby ensuring the safe use of the insulating thermally conductive tape. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of an insulating thermally conductive tape according to an embodiment of the utility model;

[0015] Figure 2 It is a schematic diagram of the internal structure of an insulating thermally conductive tape according to an embodiment of the utility model.

[0016] Reference numerals:

[0017] 1. Silicone ring; 2. Tape body; 3. Label; 4. Adhesive layer; 5. Release paper; 6. Waterproof pressure-sensitive adhesive layer; 7. Epoxy resin insulation layer; 8. Metal powder layer; 9. Thermal conductive layer; 10. Thermal insulation layer; 11. Base tape. DETAILED DESCRIPTION

[0018] Below, in conjunction with the accompanying drawings and specific implementation methods, the utility model is further described:

[0019] Example 1

[0020] See also Figure 1 to Figure 2 Embodiment 1 is described, comprising a silicone ring 1, a tape body 2 is wound around the outer end of the silicone ring 1, a base tape 11 is installed on the tape body 2, an adhesive layer 4 is installed on the base tape 11, a label 3 is adhered to the end of the adhesive layer 4 away from the base tape 11, a waterproof pressure-sensitive adhesive layer 6 is installed in the tape body 2, an epoxy resin insulating layer 7 is installed on one side of the waterproof pressure-sensitive adhesive layer 6, a metal powder layer 8 is provided at one end of the epoxy resin insulating layer 7 away from the waterproof pressure-sensitive adhesive layer 6, a heat-conducting layer 9 is installed at one end of the metal powder layer 8 away from the epoxy resin insulating layer 7, the thickness of the metal powder layer 8 is 0.7 mm, the thickness of the heat-conducting layer 9 is 0.5 mm, and the heat-conducting layer 9 is usually composed of a heat-conducting filler and a base material;

[0021] In this embodiment, the adhesive label 3 on the adhesive layer 4 can display relevant information, making full use of the limited space of the tape. The surface of the tape body 2 is coated with a protective film of a metal powder layer 8 to increase its stability and corrosion resistance, and has good flame retardancy.

[0022] Example 2

[0023] See also Figure 2 Example 2 is described. This embodiment further describes Example 1, including a heat-conducting layer 9, an end of the heat-conducting layer 9 away from the metal powder layer 8 is provided with a heat-insulating layer 10, the thickness of the heat-insulating layer 10 is 0.5-0.7 mm, an end of the waterproof pressure-sensitive adhesive layer 6 away from the epoxy resin insulating layer 7 is provided with a release paper 5, the thickness of the release paper 5 is 0.4-0.6 mm, the thickness of the epoxy resin insulating layer 7 is 0.8 mm, the thickness of the waterproof pressure-sensitive adhesive layer 6 is 0.8 mm, and the thickness of the waterproof pressure-sensitive adhesive layer 6 is the same as that of the epoxy resin insulating layer 7;

[0024] In this embodiment, the waterproof pressure-sensitive adhesive layer 6 provided in the tape body 2 gives the adhesive layer sufficient cohesive strength and adhesion, and combined with the epoxy resin insulating layer 7, it has high insulation and compressive strength, and mainly plays the role of isolating and separating the point-carrying parts.

[0025] In specific applications, a label is adhered to the base tape 11 of the thermally conductive tape provided in the device through an adhesive layer 4. The label 3 provided can be an advertisement or a trademark, making full use of the limited space of the tape. The provision of the waterproof pressure-sensitive adhesive layer 6 in the tape body 2 gives the adhesive layer sufficient cohesive strength and adhesion, and the provision of the epoxy resin insulating layer 7 has high insulation and compressive strength, and mainly plays the role of isolating and separating the dotted parts, and increases its stability and corrosion resistance by coating a protective film of a metal powder layer 8 on the surface, and has good flame retardancy. The provision of the thermal conductive layer 9 and the thermal insulation layer 10 can prevent the tape from spontaneously igniting when heated, effectively avoiding safety hazards and ensuring the safe use of the insulating thermally conductive tape.

[0026] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top end", "bottom end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention 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 cannot be understood as a limitation of the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An insulating thermally conductive tape, characterized in that: The invention comprises a silicone ring (1), the outer end of which is wound with a tape body (2), the tape body (2) being provided with a base tape (11), the base tape (11) being provided with an adhesive layer (4), the end of the adhesive layer (4) being away from the base tape (11) being adhered with a label (3), the tape body (2) being provided with a waterproof pressure-sensitive adhesive layer (6), one side of the waterproof pressure-sensitive adhesive layer (6) being provided with an epoxy resin insulating layer (7), the end of the epoxy resin insulating layer (7) being away from the waterproof pressure-sensitive adhesive layer (6) being provided with a metal powder layer (8), and the end of the metal powder layer (8) being away from the epoxy resin insulating layer (7) being provided with a heat-conducting layer (9).

2. The insulating thermally conductive tape according to claim 1, characterized in that: A heat insulating layer (10) is installed at one end of the heat conducting layer (9) away from the metal powder layer (8), and the thickness of the heat insulating layer (10) is 0.5 to 0.7 mm.

3. The insulating thermally conductive tape according to claim 1, characterized in that: A release paper (5) is installed at one end of the waterproof pressure-sensitive adhesive layer (6) away from the epoxy resin insulating layer (7), and the thickness of the release paper (5) is 0.4-0.6 mm.

4. The insulating thermally conductive tape according to claim 3, characterized in that: The thickness of the epoxy resin insulation layer (7) is 0.8 mm, the thickness of the waterproof pressure-sensitive adhesive layer (6) is 0.8 mm, and the thickness of the waterproof pressure-sensitive adhesive layer (6) is the same as that of the epoxy resin insulation layer (7).

5. The insulating thermally conductive tape according to claim 1, characterized in that: The thickness of the metal powder layer (8) is 0.7 mm, and the thickness of the heat-conducting layer (9) is 0.5 mm.

Citation Information

Patent Citations

  • Heat-conducting and insulating PI (Polyimide) adhesive tape

    CN214528804U