Insulating mylar sheet

Abstract

The utility model discloses an insulating mylar sheet relates to mylar sheet technical field. Mylar sheet body includes first insulating base layer, buffer layer, shielding layer, heat dissipation layer and second insulating base layer connected in proper order, and buffer layer, shielding layer and heat dissipation layer are opened respectively and have the heat dissipation hole of penetrating, and buffer layer is the shock attenuation film made of foamed rubber material, and mylar sheet body structure is simple, and excellent performance, through setting first insulating base layer and second insulating base layer, the insulation performance of mylar sheet body has been improved greatly, and the heat dissipation effect of mylar sheet body is improved to the heat dissipation layer, graphene heat dissipation coating and heat dissipation hole that set, and the heat dissipation effect is enhanced simultaneously while increasing the mylar sheet layer number, buffer layer provides the cushioning performance for mylar sheet body, is favorable to the protection product, and shielding layer has excellent electromagnetic shielding performance, is used for providing guarantee for the operation of product, and simultaneously, the functional and service life of mylar sheet are increased through the cooperation of each layer of mylar sheet body.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mylar, specifically, it relates to an insulating mylar. BACKGROUND

[0002] Mylar is a kind of PET polyester film, is widely used in electronic, household appliances, instrument, display, battery, computer and periphery equipment's gasket, file, screen and protection, and can replace general adhesive tape, is applicable to electronic components in the machine packaging time to be used to package, like this can make electronic components safer in use.

[0003] Mylar has developed various functional types of products, such as insulating type, buffer type, wear-resistant type, sealing type, can realize insulation, sealing, shielding effect, the most basic function of mylar is to ensure the insulation performance when using, but the existing mylar is mostly single-layer structure, and the insulation and shielding effect are not good. UTILITY MODEL CONTENT

[0004] In view of the defects in the prior art, the utility model aims at providing an insulating mylar, which solves the problem of poor insulation performance of the mylar body.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: an insulating mylar, comprising a mylar body, the mylar body comprises a first insulating base layer, a buffer layer, a shielding layer, a heat dissipation layer and a second insulating base layer connected in sequence, one side of the first insulating base layer away from the buffer layer is further provided with a high-temperature-resistant adhesive layer, the high-temperature-resistant adhesive layer is covered with a layer of release film, the buffer layer, the shielding layer and the heat dissipation layer are respectively provided with penetrating heat dissipation holes, the heat dissipation holes are round holes, the diameter of the heat dissipation holes is 1-3mm, and the buffer layer is a shock-absorbing film made of foamed rubber material.

[0006] The utility model is further provided as follows: the first insulating base layer and the buffer layer are adhered through a silica gel adhesive layer, the silica gel adhesive layer has elastic deformation capacity, the thickness of the silica gel adhesive layer is 0.2-0.5mm, the first insulating base layer is a PC mylar, the second insulating base layer is a PET wear-resistant insulating layer, the edge of the second insulating base layer is further provided with a plurality of extension pieces, the extension pieces are integrally formed with the second insulating layer, and the length of each extension piece is 3-10mm.

[0007] The utility model is further provided as follows: the buffer layer and the shielding layer are adhered through an electromagnetic shielding double-sided adhesive layer, the shielding layer is a copper foil layer, the electromagnetic shielding double-sided adhesive layer is mixed with graphene powder filler, and the thickness of the shielding layer is 0.02-0.2mm.

[0008] The utility model further sets up: the heat dissipation layer and shielding layer are adhered through the heat conduction silica gel layer, the heat dissipation layer is the graphene heat dissipation film, the second insulating base layer and heat dissipation layer are adhered through PET adhesive layer, the second insulating base layer back to the one side of heat dissipation layer still is equipped with a graphene heat dissipation coating, and the thickness of graphene heat dissipation coating is 0.2-0.4mm.

[0009] The utility model further sets up: the mylar piece body is rectangular, and multiple extension pieces are arranged on the two sides of the second insulating base layer.

[0010] The utility model further sets up: the high temperature resistant adhesive layer is high temperature resistant PET adhesive layer, the release film adopts PET release film, and the thickness of the high temperature resistant adhesive layer is 0.1-0.3mm.

[0011] In conclusion, the utility model has the advantages of simple mylar piece body structure, excellent performance, the first insulating base layer and the second insulating base layer are arranged, the insulation performance of the mylar piece body is greatly improved, the heat dissipation layer, the graphene heat dissipation coating and the heat dissipation hole are arranged to improve the heat dissipation effect of the mylar piece body, the number of mylar piece layers is increased, and the heat dissipation effect is simultaneously enhanced, the buffer layer provides the buffering and damping performance for the mylar piece body, which is beneficial to protecting the product, the shielding layer has excellent electromagnetic shielding performance, is used to guarantee the operation of the product, and each layer of the mylar piece body is used in cooperation, the functionality and service life of the mylar piece are increased. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the whole structure schematic diagram of the utility model;

[0013] Figure 2 It is the mylar piece body exploded view of the utility model;

[0014] Figure 3 It is the extension piece structure diagram of the utility model.

[0015] In the drawing: 1, mylar piece body;2, first insulating base layer;3, buffer layer;4, shielding layer;5, heat dissipation layer;6, second insulating base layer;7, extension piece;8, heat dissipation hole. DETAILED DESCRIPTION

[0016] The utility model is described in detail below in combination with the drawings and examples.

[0017] As Figure 1 , Figure 2The utility model discloses an insulating mylar sheet, including mylar sheet body 1, mylar sheet body 1 includes the first insulating base layer 2, buffer layer 3, shielding layer 4, heat dissipation layer 5 and second insulating base layer 6 connected in proper order, the first insulating base layer 2 adopts PC mylar sheet, and the second insulating base layer 6 is PET wear -resistant insulating layer, and the first insulating base layer 2 and second insulating base layer 6 all have wear -resistant, insulating performance, greatly improve the insulating effect of mylar sheet body 1, when, the lower end surface of first insulating base layer 2 is coated with a thickness of 0.1-0.3mm's high temperature resistant PET adhesive layer, and the high temperature resistant PET adhesive layer is a kind of high temperature resistant glue with high viscosity, can be used in high temperature environment, such as the part of mylar sheet body 1 is attached will produce higher temperature;Wherein buffer layer 3, shielding layer 4 and heat dissipation layer 5 all have the heat dissipation hole 8 that penetrates, and the heat dissipation hole 8 is favorable to heat conduction, improves the heat dissipation effect of mylar sheet body 1, and the second insulating layer is also coated with graphene heat dissipation coating on the side away from heat dissipation layer 5, and the thickness of graphene heat dissipation coating is 0.2-0.4mm, further improves the heat dissipation performance of mylar sheet body 1 by the heat-conducting silicone layer between heat dissipation layer 5 and shielding layer 4, is favorable to the temperature balance of protection electronic component product, improves the service life of mylar sheet body 1.

[0018] Specifically, as shown in Figure 1 、 Figure 2 The heat dissipation hole 8 is evenly distributed on the buffer layer 3, the shielding layer 4 and the heat dissipation layer 5, the heat dissipation hole 8 is set as a round hole, the hole diameter is set as 1-3mm, the heat dissipation performance of the mylar sheet is improved under reducing the damage of the hole to the mylar sheet; when using, the first insulating base layer and the buffer layer 3 are bonded by a silicone glue layer, the thickness of the silicone glue layer is 0.2-0.5mm, the silicone glue layer has micro-elasticity, and can provide good buffering and shock-absorbing effect for the mylar sheet body 1 in cooperation with the buffer layer 3; the buffer layer 3 and the shielding layer 4 are bonded by an electromagnetic shielding double-sided adhesive layer, the shielding layer 4 is a copper foil layer made of copper foil with a thickness of 0.02-0.2mm, and the electromagnetic shielding double-sided adhesive layer is made by mixing graphene powder filler in adhesive, and has good adhesion and electromagnetic shielding performance; the heat dissipation layer 5 and the shielding layer 4 are bonded by a heat-conducting silicone layer, the heat dissipation layer 5 is made of a graphene heat dissipation film, the second insulating base layer 6 is above the heat dissipation layer 5, and the heat dissipation layer 5 and the second insulating base layer 6 are bonded by a PET adhesive layer, which greatly improves the heat dissipation performance of the mylar sheet body 1 in cooperation with the graphene heat dissipation coating on the second insulating base layer 6.

[0019] As shown in Figure 3As shown, the Mylar piece body 1 is rectangular, each layer of the Mylar piece body 1 is also rectangular, and a plurality of extension pieces 7 are further arranged on the second insulating base layer 6, the extension pieces 7 are arranged on two sides of the second insulating base layer 6 in pairs, the extension pieces 7 are integrally formed with the second insulating base layer 6, the length of the extension pieces 7 extending from the edge of the second insulating base layer 6 to one side is 3-10mm, and the extension pieces 7 provide a handle for opening the Mylar piece, when the Mylar piece needs to be opened from the adhered product, one or two extension pieces 7 on the same side can be pinched to pull the Mylar piece upward.

[0020] The preferred embodiments of the present application have been described above, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical scheme falling within the idea of the present application belongs to the protection scope of the present application. It should be pointed out that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application are also considered as the protection scope of the present application.

Claims

1. An insulating mylar sheet comprising a mylar sheet body (1), characterized by: The Mylar sheet body (1) comprises a first insulating base layer (2), a buffer layer (3), a shielding layer (4), a heat dissipation layer (5) and a second insulating base layer (6) connected in sequence, one side of the first insulating base layer (2) away from the buffer layer (3) is further provided with a high-temperature-resistant adhesive layer, a release film is covered on the high-temperature-resistant adhesive layer, the buffer layer (3), the shielding layer (4) and the heat dissipation layer (5) are respectively provided with a heat dissipation hole (8) penetrating through, the heat dissipation hole (8) is a circular hole, the diameter of the heat dissipation hole (8) is 1-3mm, and the buffer layer (3) is a shock-absorbing film made of foamed rubber material.

2. An insulating Mylar sheet as claimed in claim 1, wherein: The first insulating base layer and the buffer layer (3) are bonded by a silica gel adhesive layer, the silica gel adhesive layer has elastic deformation capacity, the thickness of the silica gel adhesive layer is 0.2-0.5mm, the first insulating base layer (2) is a PC Mylar sheet, the second insulating base layer (6) is a PET wear-resistant insulating layer, the edge of the second insulating base layer (6) is further provided with a plurality of extension pieces (7), the extension pieces (7) are integrally formed with the second insulating layer, and the length of each extension piece (7) is 3-10mm.

3. An insulating Mylar sheet as defined in claim 2, wherein: The buffer layer (3) and the shielding layer (4) are bonded by an electromagnetic shielding double-sided adhesive layer, the shielding layer (4) is a copper foil layer, the electromagnetic shielding double-sided adhesive layer is mixed with graphene powder filler, and the thickness of the shielding layer (4) is 0.02-0.2mm.

4. An insulating Mylar sheet as defined in claim 3, wherein: The heat dissipation layer (5) and the shielding layer (4) are bonded by a heat-conducting silica gel layer, the heat dissipation layer (5) is a graphene heat dissipation film, the second insulating base layer (6) and the heat dissipation layer (5) are bonded by a PET adhesive layer, one side of the second insulating base layer (6) away from the heat dissipation layer (5) is further provided with a graphene heat dissipation coating layer, and the thickness of the graphene heat dissipation coating layer is 0.2-0.4mm.

5. An insulating Mylar sheet as defined in claim 4, wherein: The Mylar sheet body (1) is rectangular, and the plurality of extension pieces (7) are arranged on two sides of the second insulating base layer (6) in pairs.

6. An insulating Mylar sheet as defined in claim 5, wherein: The high-temperature-resistant adhesive layer is a high-temperature-resistant PET adhesive layer, the release film is a PET release film, and the thickness of the high-temperature-resistant adhesive layer is 0.1-0.3mm.

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