CN211311357U - Ultrathin fool-proof double-sided adhesive tape - Google Patents

Abstract

The utility model discloses an ultrathin fool-proof double-sided adhesive tape, which comprises an ultrathin substrate layer, a fool-proof coating, an adhesive layer and a transparent release film; the ultrathin base material layer is transparent, the thickness of the ultrathin base material layer is 1-3 microns, the foolproof coating is formed by coating ink paint on one side face of the ultrathin base material layer, and the color of the ink paint is white; the adhesive layer is formed by coating acrylic acid adhesives on the foolproof coating and the other side surface of the ultrathin base material layer, and the transparent release film is adhered on the adhesive layer. The ultra-thin fool-proof double-sided adhesive tape has the characteristics of ultra-thin and low thermal resistance, and is beneficial to the derivation of heat in electronic products; and has good fool-proof effect.

Description

Ultrathin fool-proof double-sided adhesive tape

Technical Field

The utility model relates to an sticky tape technical field, concretely relates to ultra-thin prevent slow-witted double sticky tape.

Background

With the progress of society and the improvement of the daily living standard of human beings, electronic products have been widely popularized and developed to the fields of high integration and high operation, and the development of the electronic products to light weight, miniaturization and thinning is inevitable. The internal assembling mode of the traditional electronic product is screw fixation, so that the assembling mode has own defects, such as: the thinning degree is limited, the assembly is complicated, the production efficiency is low, and the like. In recent years, electronic manufacturing industry has come to adopt a processing mode of assembling electronic tapes instead of screws, which has brought forward the wave of thinning and miniaturization of electronic products. Accordingly, the unit dissipation power is multiplied, and the requirement on heat dissipation is higher and higher. The graphite flake is widely applied to the field of electronic manufacturing and processing due to the excellent heat conduction performance, for example, the heat dissipation of a CPU (Central processing Unit) needs to be assisted by the graphite flake, and the joint of the graphite flake and a radiator needs to select a low-heat-resistance and ultrathin double-sided electronic adhesive tape for assembly. However, the conventional adhesive tape is very deficient in thickness and fool-proof function, and some high-performance, ultra-thin and fool-proof adhesive tapes are urgently needed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an ultra-thin prevent slow-witted double sticky tape to solve all kinds of defects of prior art.

In order to solve the technical problem, the utility model provides an ultrathin fool-proof double-sided adhesive tape, which comprises an ultrathin substrate layer, a fool-proof coating, an adhesive layer and a transparent release film; the ultrathin base material layer is transparent, the thickness of the ultrathin base material layer is 1-3 microns, the foolproof coating is formed by coating ink paint on one side face of the ultrathin base material layer, and the color of the ink paint is white; the adhesive layer is formed by coating acrylic acid adhesives on the foolproof coating and the other side surface of the ultrathin base material layer, and the transparent release film is adhered on the adhesive layer.

In the utility model, the thickness of the ultra-thin base material layer is only 1-3 μm, and the heat resistance of the ultra-thin base material layer is very low due to the thin thickness; and the double-sided adhesive tape treated by the ink coating also has the ultrathin characteristic, so that the thermal resistance of the adhesive tape is greatly reduced, and the heat conduction capability is improved.

The ink coating used in the utility model also has low thermal resistance, and the ink coating is preferably GTK9213F ink coating of Chinese redbud ink (Zhejiang) Co. The thickness of the foolproof coating is only 1-3 mu m, thereby being more beneficial to reducing the thermal resistance of the adhesive tape and improving the influence on the heat conduction.

The utility model discloses in, use the transparency at sticky tape both sides from the type membrane, both played the effect of protection, increased the smoothness nature of face of gluing again, also increased the effect of pasting of sticky tape. Further, the transparent release film comprises a transparent PET film, and an antistatic coating and a release coating which are sequentially coated on the transparent PET film. Wherein, set up antistatic coating and avoided the static that causes when tearing from type membrane and generated.

In a preferred embodiment of the present invention, the ultra-thin substrate layer is made of PET, acryl, Polyethylene (PE) or oriented polypropylene (OPP). Preferably, the ultrathin base material layer is an ultrathin PET film, which has excellent tensile strength and mechanical properties, and plays a role in reinforcing the whole adhesive tape, so that the adhesive tape has ultrathin characteristics but is not easily damaged.

The beneficial effects of the utility model reside in that:

1. the utility model discloses an ultra-thin prevent slow-witted double sticky tape for the sticky tape presents white, and is distinct with the colour of graphite, and the contrast is obvious, reaches the effect of preventing slow-witted in the processing procedure after preventing slow-witted coating processing.

2. The ultrathin fool-proof double-sided adhesive tape uses the transparent film with the thickness of 1-3 mu m as the base material, so that the adhesive tape has the characteristics of ultrathin property and low thermal resistance, and is favorable for leading out heat in electronic products; the used ink coating also has low thermal resistance, and is more beneficial to reducing the influence of the adhesive tape on heat conduction.

3. The utility model discloses an ultra-thin fool-proof double sticky tape has excellent stability, ageing resistance, has excellent effect of pasting to rough surface and low surface energy surface.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the ultra-thin fool-proof double-sided adhesive tape of the present invention;

FIG. 2 is a schematic block diagram of another embodiment of the present invention;

wherein: 1. an ultrathin substrate layer; 2. a foolproof coating; 3. an adhesive layer; 4. a transparent release film; 41. a transparent PET film; 42. a release coating; 43. an antistatic coating.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

In the electronic industry, the fixation of a plurality of electronic internal parts is fixed by double-sided adhesive tapes, and other requirements on the performance of the adhesive tapes are made due to the diversified development trend of the attached materials. In addition to the characteristics of high viscosity, ultra-thinness, die cutting and punching property, temperature resistance, higher shearing resistance, adjustable initial adhesion and the like, the adhesive tape is required to have the foolproof function to the product manufacturing process in the using process.

In order to solve the technical problem, the utility model provides an ultra-thin prevent slow-witted double sticky tape, the laminating between graphite flake and the radiator in the mainly used electronic product, this double sticky tape have ultra-thin, low thermal resistance and prevent slow-witted function.

Specifically, referring to fig. 1, the ultrathin fool-proof double-sided adhesive tape includes an ultrathin substrate layer 1, a fool-proof coating layer 2, an adhesive layer, and a transparent release film 4; the ultrathin base material layer 1 is transparent, the thickness of the ultrathin base material layer is 1-3 microns, the foolproof coating 2 is formed by coating ink paint on one side face of the ultrathin base material layer 1, and the color of the ink paint is white; the adhesive layer 3 is formed by coating acrylic acid adhesive on the foolproof coating 2 and the other side surface of the ultrathin base material layer 1, and the transparent release film 4 is adhered on the adhesive layer 3.

The utility model discloses an ultra-thin prevent slow-witted double sticky tape mainly used graphite flake and the laminating between heating element (like the radiator) in the electronic product, because the colour of graphite flake is black, use ordinary transparent double sticky tape to see out on the graphite flake very hard directly perceivedly whether paste the sticky tape. And the utility model discloses in, coating printing ink coating and the fool-proof coating 2 that forms on a side of ultra-thin substrate layer 1, its colour is white, and is distinct different with the colour of graphite, uses behind this double-sided tape, because black and the strong colour contrast of white, whether the user can directly see out on the graphite piece and paste the sticky tape to good fool-proof effect in the use has been reached.

In the utility model, the thickness of the ultra-thin substrate layer 1 is only 1-3 μm, preferably 2 μm, and the thin thickness makes the self thermal resistance of the ultra-thin substrate layer 1 very low; and the double-sided adhesive tape treated by the ink coating also has the ultrathin characteristic, so that the thermal resistance of the adhesive tape is greatly reduced, and the heat conduction capability is improved.

The ink coating used in the utility model also has low thermal resistance, and the ink coating is preferably GTK9213F ink coating of Chinese redbud ink (Zhejiang) Co. The thickness of the foolproof coating 2 is only 1-3 mu m thick, so that the thermal resistance of the adhesive tape is reduced, and the influence on heat conduction is improved.

The utility model discloses in, use the transparency at sticky tape both sides from type membrane 4, both played the effect of protection, increased the smoothness nature of face of gluing again, also increased the effect of pasting of sticky tape. Referring to fig. 2, in still another embodiment, the transparent release film 4 includes a transparent PET film 41, and an antistatic coating 43 and a release coating 42 sequentially applied on the transparent PET film 41. Wherein, the antistatic coating 43 is provided to avoid the generation of static electricity caused when the release film is torn off.

The utility model discloses in, ultra-thin substrate layer 1 is made by PET, ya keli, Polyethylene (PE) or oriented polypropylene (OPP). In this embodiment, the ultra-thin substrate layer 1 is an ultra-thin PET substrate layer, and has excellent tensile strength and mechanical properties, and plays a role in reinforcing the entire tape, so that the tape has ultra-thin characteristics but is not easily damaged.

When the ultrathin fool-proof double-sided adhesive tape is used, the transparent release film 4 on one side of the fool-proof coating 2 of the double-sided adhesive tape is torn off, and then the side is attached to the graphite sheet; then the transparent release film 4 on the other side is torn off and then is pasted on the pasted parts (the main board and the metal shielding case), so that the use is very convenient. And the difference between the color (white) of the fool-proof coating 2 and the color (black) of the graphite sheet is obvious, so that the fool-proof coating has a good fool-proof effect and avoids the situation of sticking errors.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims (4)

1. An ultrathin fool-proof double-sided adhesive tape is characterized by comprising an ultrathin substrate layer, a fool-proof coating, an adhesive layer and a transparent release film; the ultrathin base material layer is transparent, the thickness of the ultrathin base material layer is 1-3 microns, the foolproof coating is formed by coating ink paint on one side face of the ultrathin base material layer, and the color of the ink paint is white; the adhesive layer is formed by coating acrylic acid adhesives on the foolproof coating and the other side surface of the ultrathin base material layer, and the transparent release film is adhered on the adhesive layer.

2. The ultra-thin fool-proof double-sided tape of claim 1, wherein the transparent release film comprises a transparent PET film and an antistatic coating and a release coating sequentially applied on the transparent PET film.

3. The ultra-thin fool-proof double sided tape of claim 1, wherein the ultra-thin substrate layer is an ultra-thin substrate layer made of PET, acryl, PE or OPP.

4. The ultra-thin fool-proof double sided tape of claim 1, wherein the thickness of the fool-proof coating is 1-3 μm.

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