CN216946855U

CN216946855U - Multifunctional 5G equipment precise electronic adhesive tape

Info

Publication number: CN216946855U
Application number: CN202220843363.1U
Authority: CN
Inventors: 齐登武; 吴卫均; 吴浩锋
Original assignee: Shenzhen Nikto Tape New Material Co ltd
Current assignee: Shenzhen Nikto Tape New Material Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-07-12
Anticipated expiration: 2032-04-12

Abstract

A multifunctional precise electronic adhesive tape for 5G equipment comprises a core barrel and an adhesive tape body wound outside the core barrel, wherein the adhesive tape body comprises a multifunctional base body layer, an organic silica gel layer and an isolation layer, the multifunctional base body layer sequentially comprises a heat conduction layer, a flame retardant layer, an anti-cracking layer, a flexible polymer base material layer and a nanometer waterproof antifouling coating layer from the position close to the organic silica gel layer, the anti-cracking layer is made of a high-strength insulating fiber cloth material, the flexible polymer base material layer is attached to the anti-cracking layer, and the flame retardant layer comprises a diaphragm and a heat absorption layer; the back surface of the isolation layer is coated with low-viscosity adhesive strips at intervals, and when the adhesive tape body is wound on the core cylinder, the low-viscosity adhesive strips are attached to the nano waterproof antifouling coating; the flexible polymer base material layer is attached to the anti-cracking layer to form a wavy flexible structure. The electronic adhesive tape disclosed by the utility model has good flexibility, tensile property, ductility, heat resistance, flame retardance, electrical insulation property and heat dissipation property, the waterproof and antifouling properties of the adhesive tape are improved, and an adhesive tape roll is not easy to loosen.

Description

Multifunctional 5G equipment precise electronic adhesive tape

Technical Field

The utility model relates to the technical field of adhesive tapes, in particular to a multifunctional precise electronic adhesive tape for 5G equipment.

Background

With the gradual landing of the 5G technology, the rapid development of the electronic industry, and the continuous change of the aesthetic sense of the public, electronic devices are continuously miniaturized, light and thin, and high-density integration of internal components puts higher requirements on the production of the electronic components. Various electronic tapes including process tapes and component connecting and fixing tapes are not necessary to be used in the production and assembly of the components, and the electronic tapes are also suitable for the corresponding technical development trend. Meanwhile, as screens such as smart phones, tablet computers and television screens develop towards foldable or rollable flexible screens, corresponding electronic tapes are also required to be flexible and easy to bend, and have good mechanical strength, and waterproof and moistureproof performances generally required in electronic components, most of the existing tapes with heat dissipation performance contain base materials such as copper foils and aluminum foils, the existing tapes are poor in extensibility, and the performance requirements such as flexible bending cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide the multifunctional precise electronic adhesive tape for the 5G equipment, which has good ductility, flexibility, heat resistance, flame retardance, electrical insulation and heat dissipation and is difficult to loosen when being rolled.

The utility model is realized by the following technical scheme:

the utility model provides a multi-functional 5G equipment precision electronic tape, includes a core section of thick bamboo and twines the outside sticky tape body of a core section of thick bamboo, the sticky tape body includes multi-functional base member layer, coating organic silica gel layer on the multi-functional base member layer and with the isolation layer that organic silica gel layer laminated mutually, multi-functional base member layer is from being close to organic silica gel layer plays to include heat-conducting layer, fire-retardant layer, anti-crack layer, flexible polymer substrate layer and the waterproof antifouling coating of nanometer in proper order, the anti-crack layer is the insulating fiber cloth material that excels in, flexible polymer substrate layer is attached on the anti-crack layer to improve the physical strength performance of substrate, insulating fiber cloth also can play insulating effect as the anti-crack layer to and have certain ductility. The flame-retardant layer comprises a diaphragm and a heat-absorbing layer which are adhered to each other, the diaphragm is attached to the anti-cracking layer, the heat-absorbing layer is attached to the heat-conducting layer, and the organic silicon adhesive layer is coated on the heat-conducting layer. The heat conduction layer leads out the heat accumulated by the organic silica gel layer in time and outwards radiates out through the heat absorption layer, the diaphragm, the anti-cracking layer and the flexible polymer substrate layer. The isolating layer is an isolating film or isolating paper, when the adhesive tape body is wound on the core barrel, the organic silica gel layer is in contact with the isolating surface of the isolating layer, and when the adhesive tape is used, the organic silica gel layer can be easily stripped from the isolating layer.

According to a further preferable technical scheme, low-viscosity adhesive strips extending in the width direction of the adhesive tape are coated on the surface, away from the isolation surface, of the isolation layer at intervals, and when the adhesive tape body is wound on the core cylinder, the low-viscosity adhesive strips are adhered to the nano waterproof and antifouling coating. The low-viscosity adhesive tape is a pressure-sensitive adhesive with lower viscosity, is attached to the nano waterproof antifouling coating, can prevent the adhesive tape roll from loosening when being rolled or used, is easy to separate when being used, and cannot be left on the nano waterproof antifouling coating.

Further preferred technical scheme is, flexible polymer substrate layer is attached on the anti-crack layer, the fibre cloth clad surface unevenness on anti-crack layer, flexible polymer substrate layer is attached and also forms corresponding wavy flexible structure above that after it, and the ductility of flexible polymer substrate layer can be improved to wavy flexible structure to improve the extensibility of sticky tape, make it can be applied to in various crooked irregular surface or the flexonics, the wavy flexible structure of easily curving also can increase the surface area of flexible polymer substrate layer simultaneously, be favorable to the heat dissipation. The flexible polymer base material layer can be attached to the anti-cracking layer in a hot melting mode.

The further preferable technical scheme is that the flexible polymer substrate layer is a polydimethylsiloxane film which has good elasticity, good tensile property, good flexibility, good thermal stability and good chemical stability; the anti-cracking layer is made of glass fiber cloth and has good flame retardance, temperature resistance and strength performance.

The preferable technical scheme is that the substrate of the diaphragm is a PE or PP microporous film, the PE or PP microporous film has good tensile property and stability, and a certain porosity is favorable for heat dissipation. The heat absorption layer is made of a heat absorption rubber material, and flame-retardant fillers such as magnesium hydroxide or aluminum hydroxide can be contained in the heat absorption rubber material.

Further preferably, the heat conduction layer is made of a heat conduction glue material, and the heat conduction glue material can contain heat conduction particles such as graphene, aluminum oxide, boron nitride, aluminum nitride and carbon fibers, and the materials endow the heat conduction glue with excellent heat conduction. The organic silica gel layer is heat-resistant organic silicon pressure-sensitive adhesive. The nano waterproof antifouling coating can contain hydrophobic nano silicon dioxide particles, and plays a role in waterproofing and antifouling.

The further preferable technical scheme is that the isolation film is a PE or PET isolation film, the isolation paper is PE laminating paper or isolation paper with one side coated with an isolation agent, and the isolation surface is a corresponding laminating surface or a surface coated with the isolation agent.

Further preferably, the thickness of the isolation film is 25-40 μm, and the thickness of the isolation paper is 30-50 μm. The isolating film or isolating paper is light, thin and soft, and is favorable for coiling the adhesive tape and preventing the adhesive tape from loosening.

The further preferable technical scheme is that the thickness of the flexible polymer base material layer is 15-40 μm, the thickness of the anti-cracking layer is 50-120 μm, the thickness of the flame-retardant layer is 30-80 μm, the thickness of the heat conduction layer is 20-50 μm, the thickness of the organic silica gel layer is 40-80 μm, and the thickness of the nano waterproof and antifouling coating is 0.5-2 μm.

According to the utility model, the flexible polymer substrate layer and the anti-cracking layer are arranged, the anti-cracking layer is made of the high-strength insulating fiber cloth material, so that the strength properties such as flexibility, tensile property and the like, heat resistance and electric insulation of the base material of the adhesive tape are ensured, the flexible polymer substrate layer is attached to the high-strength insulating fiber cloth material to form a wavy flexible structure, and the ductility and heat dissipation of the base material are further improved; the heat resistance, the flame retardance and the heat dissipation performance required by the adhesive tape are endowed by arranging the flame retardant layer and the heat conduction layer which are composed of the diaphragm and the heat absorption layer, so that the heat accumulated by the electronic element can be led out; the flexible polymer substrate layer is coated with a nano waterproof antifouling coating containing hydrophobic nano silicon dioxide particles, so that the surface of the adhesive tape has hydrophobic and oleophobic properties, and the waterproof and antifouling properties of the adhesive tape are improved; the low-viscosity adhesive tapes are arranged on the back surface of the isolation layer at intervals, so that the adhesive tapes can be prevented from being loosened during coiling, and packaging, storage and use are facilitated.

The multifunctional 5G equipment precise electronic adhesive tape is suitable for medium and large-sized communication equipment, comprises a router, an exchanger and the like, and is also suitable for electronic terminal products such as smart phones, tablet computers, display screens, OLED (organic light emitting diode) technologies, notebook computers, televisions and displays, wearable equipment, electronic accessories and the like.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is an exploded view of the embodiment of the present invention.

FIG. 3 is a cross-sectional view of a tape body according to an embodiment of the utility model.

Reference numerals: 1-a core barrel; 2-the tape body; 3-an isolating layer; 4-organic silica gel layer; 5-a multifunctional substrate layer; 6-low viscosity glue strip; 51-a thermally conductive layer; 52-a flame retardant layer; 53-crack resistant layer; 54-a flexible polymer substrate layer; 55-nanometer waterproof antifouling coating; 521-a diaphragm; 522-heat sink layer.

Detailed Description

The utility model provides a multi-functional 5G equipment precision electronic tape, as shown in fig. 1 to 3, include a core section of thick bamboo 1 and winding at the outside sticky tape body 2 of a core section of thick bamboo 1, sticky tape body 2 includes multi-functional base member layer 5, the coating organic silica gel layer 4 on the multi-functional base member layer 5 and with the isolation layer 3 that the organic silica gel layer 4 was laminated mutually, multi-functional base member layer 5 is from being close to organic silica gel layer 4 plays to include heat-conducting layer 51, fire-retardant layer 52, anti-crack layer 53, flexible polymer substrate layer 54 and nanometer waterproof antifouling coating 55 in proper order, anti-crack layer 53 is the insulating fiber cloth material that excels in, flexible polymer substrate layer 54 is attached on anti-crack layer 53 to improve the physical strength performance of substrate, insulating fiber cloth also can play insulating effect as anti-crack layer 53, and have certain ductility.

The surface of the isolation layer 3, which is far away from the isolation surface, is coated with low-viscosity adhesive strips 6 at intervals, which extend along the width direction of the adhesive tape, and when the adhesive tape body 2 is wound on the core barrel 1, the low-viscosity adhesive strips 6 are adhered to the nano waterproof and antifouling coating 55. The low-viscosity adhesive tape 6 is a pressure-sensitive adhesive with low viscosity similar to the back of the sticky note, the low-viscosity adhesive tape 6 is attached to the nano waterproof antifouling coating 55, the adhesive tape roll can be prevented from being loose when being rolled or used, the adhesive tape roll is easy to separate when being used, and the adhesive tape roll cannot be left on the nano waterproof antifouling coating 55. The width of the low-tack strip 6 is set and adjusted according to the actual setting.

The thickness of the flexible polymer base material layer 54 is 15-40 μm, the thickness of the anti-cracking layer 53 is 50-120 μm, the thickness of the flame-retardant layer 52 is 30-80 μm, the thickness of the heat-conducting layer 51 is 20-50 μm, the thickness of the organic silicon glue layer 4 is 40-80 μm, and the thickness of the nano waterproof and antifouling coating 55 is 0.5-2 μm.

Wherein, flexible polymer substrate layer 54 is attached on anti-crack layer 53, and anti-crack layer 53's fibre cloth envelope is unsmooth, and flexible polymer substrate layer 54 is attached also to form corresponding wavy flexible structure with it after it, and the ductility of flexible polymer substrate layer 54 can be improved to wavy flexible structure to improve the extensibility of sticky tape, make it can be applied to in various crooked irregular surface or flexonics, the wavy flexible structure can also increase flexible polymer substrate layer 54's surface area simultaneously, is favorable to the heat dissipation. The flexible polymer base material layer 54 may be attached to the anti-crack layer 53 by hot melting.

The flexible polymer base material layer 54 is a polydimethylsiloxane film which has good elasticity, good tensile property, good flexibility, good thermal stability and good chemical stability; the anti-cracking layer 53 is made of glass fiber cloth and has good flame retardance, temperature resistance and strength performance.

The flame-retardant layer 52 comprises a diaphragm 521 and a heat-absorbing layer 522 which are adhered to each other, the diaphragm 521 is adhered to the anti-cracking layer 53, the heat-absorbing layer 522 is adhered to the heat-conducting layer 51, and the organic silicon adhesive layer 4 is coated on the heat-conducting layer 51. The heat conduction layer 51 conducts heat accumulated by the organic silicon glue layer 4 out in time and radiates out through the heat absorption layer 522, the diaphragm 521, the anti-cracking layer 53 and the flexible polymer base material layer 54.

The substrate of the diaphragm 521 is a PE or PP microporous film, the PE or PP microporous film has good tensile property and stability, and a certain porosity is favorable for heat dissipation. The heat absorbing layer 522 is made of a heat absorbing material containing magnesium hydroxide or aluminum hydroxide.

The heat conduction layer 51 is made of a heat conduction adhesive material, and the heat conduction adhesive material contains any one of graphene, aluminum oxide, boron nitride, aluminum nitride and carbon fiber, and the materials endow the heat conduction adhesive with excellent heat conductivity. The organic silicon adhesive layer 4 is heat-resistant organic silicon pressure-sensitive adhesive. The nano waterproof and antifouling coating layer 55 contains hydrophobic nano silica particles.

The isolation layer 3 is an isolation film or isolation paper, when the adhesive tape body 2 is wound on the core cylinder 1, the organic silicon adhesive layer 4 is in contact with the isolation surface of the isolation layer 3, and when the adhesive tape is used, the organic silicon adhesive layer 4 can be easily stripped from the isolation layer 3. The isolation film is a PE or PET isolation film, the isolation paper is PE laminating paper or isolation paper coated with an isolation agent on one side, and the isolation surface is a corresponding laminating surface or a surface coated with the isolation agent. The thickness of the isolation film is 25-40 μm, and the thickness of the isolation paper is 30-50 μm. The isolating film or isolating paper is light, thin and soft, and is favorable for coiling the adhesive tape and preventing the adhesive tape from loosening.

The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.

Claims

1. The multifunctional 5G equipment precise electronic adhesive tape is characterized by comprising a core cylinder and an adhesive tape body wound outside the core cylinder, wherein the adhesive tape body comprises a multifunctional base layer, an organic silica gel layer coated on the multifunctional base layer and an isolation layer laminated with the organic silica gel layer, the multifunctional base layer sequentially comprises a heat conduction layer, a flame retardant layer, an anti-cracking layer, a flexible polymer base material layer and a nanometer waterproof and anti-fouling coating from the position close to the organic silica gel layer, the anti-cracking layer is made of high-strength insulating fiber cloth, the flexible polymer base material layer is attached to the anti-cracking layer, the flame retardant layer comprises a diaphragm and a heat absorption layer which are adhered to each other, the diaphragm is attached to the anti-cracking layer, the heat absorption layer is attached to the heat conduction layer, and the organic silica gel layer is coated on the heat conduction layer; the isolation layer is an isolation film or isolation paper, and when the adhesive tape body is wound on the core cylinder, the organic silica gel layer is in contact with the isolation surface of the isolation layer.

2. The multifunctional 5G device precise electronic tape as claimed in claim 1, wherein the surface of the isolation layer facing away from the isolation surface is coated with low-adhesion strips at intervals and extending along the width direction of the tape, and when the tape body is wound on the core barrel, the low-adhesion strips are attached to the nano waterproof and antifouling coating.

3. The multifunctional 5G equipment precision electronic tape as claimed in claim 1, wherein the flexible polymer substrate layer is attached on the anti-cracking layer to form a wave-shaped flexible structure corresponding to the concave-convex surface of the anti-cracking layer.

4. The multifunctional 5G equipment precision electronic tape as claimed in claim 1, wherein the flexible polymer substrate layer is a polydimethylsiloxane film, and the anti-cracking layer is glass fiber cloth.

5. The multifunctional 5G device precision electronic tape as claimed in claim 1, wherein the matrix of the separator is PE or PP microporous film, and the heat absorbing layer is made of heat absorbing adhesive material.

6. The multifunctional 5G device precision electronic tape according to claim 1, wherein the heat conducting layer is made of a heat conducting adhesive material, and the silicone adhesive layer is a heat-resistant silicone pressure-sensitive adhesive.

7. The multifunctional 5G equipment precision electronic tape according to claim 1, wherein the release film is a PE or PET release film, the release paper is PE laminating paper or release paper coated with a release agent on one side, and the release surface is a laminating surface or a surface coated with a release agent.

8. The multifunctional 5G equipment precision electronic tape according to claim 7, wherein the thickness of the release film is 25-40 μm, and the thickness of the release paper is 30-50 μm.

9. The multifunctional 5G equipment precision electronic tape as claimed in claim 1, wherein the thickness of the flexible polymer substrate layer is 15-40 μm, and the thickness of the anti-cracking layer is 50-120 μm.

10. The multifunctional 5G equipment precision electronic tape according to claim 1, wherein the thickness of the flame-retardant layer is 30-80 μm, the thickness of the heat-conducting layer is 20-50 μm, the thickness of the organic silica gel layer is 40-80 μm, and the thickness of the nano waterproof and antifouling coating is 0.5-2 μm.