CN218337028U

CN218337028U - Conductive shielding polyurethane adhesive tape

Info

Publication number: CN218337028U
Application number: CN202222340458.4U
Authority: CN
Inventors: 姜洁琼; 王媛
Original assignee: Nanjing Mokai Technology Co ltd
Current assignee: Nanjing Mokai Technology Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-01-17
Anticipated expiration: 2032-09-02

Abstract

The utility model relates to an sticky tape technical field specifically is a conductive shielding polyurethane sticky tape, including the sticky tape body, its characterized in that: the adhesive tape body comprises a base layer, a release protection layer arranged below the base layer, a conductive layer arranged above the base layer, a shielding insulating layer arranged above the conductive layer, a polyurethane buffer layer arranged above the shielding insulating layer and an outer layer arranged above the polyurethane buffer layer; in practical application, the adhesive tape body can be bonded through the release protective layer, and the adhesive tape body has good conductivity through the conductive layer; the tape body has good electromagnetic shielding performance and insulating performance through the shielding insulating layer; the polyurethane buffer layer enables the adhesive tape body to have certain buffer property and good applicability; the inner part of the adhesive tape body can be protected through the outer layer; the utility model discloses not only have electric conductivity, still have good buffering nature, the suitability is good, fully provided the user demand of electrically conductive sticky tape.

Description

Conductive shielding polyurethane adhesive tape

Technical Field

The utility model relates to an sticky tape technical field specifically is a conductive shielding polyurethane sticky tape.

Background

The conductive adhesive tape is suitable for various electronic and electric products such as computers, mobile phones, wires, cables and the like, and is mainly used for shielding or isolating electromagnetic waves or infinite interference of the electromagnetic waves during high-frequency transmission.

The existing conductive adhesive tape has poor electromagnetic shielding effect, and in addition, because various electronic and electrical products such as computers, mobile phones, wires, cables and the like are extremely easy to break down in the processes of collision and falling, the existing conductive adhesive tape does not have buffering property and extremely poor applicability, and the using requirement of the conductive adhesive tape cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to foretell not enough, provide a conductive shielding polyurethane sticky tape, not only have electric conductivity, still have good resiliency, the suitability is good, fully provided the user demand of conductive sticky tape.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a conductive shielding polyurethane sticky tape, includes the sticky tape body, its characterized in that: the adhesive tape body comprises a base layer, a release protective layer arranged below the base layer, a conductive layer arranged on the base layer, a shielding insulating layer arranged on the conductive layer, a polyurethane buffer layer arranged on the shielding insulating layer, and an outer layer arranged on the polyurethane buffer layer.

Further, the base layer is a TPU film.

Further, the conducting layer comprises two conducting adhesive layers which are arranged oppositely up and down, and a conducting fabric layer which is bonded between the two conducting adhesive layers; the conductive adhesive layer comprises an acrylic glue material component and a conductive filler filled in the acrylic glue material component, and the conductive filler is slurry or powder; the conductive fabric layer is a conductive non-woven fabric.

Further, the conductive filler comprises one of nickel powder, carbonyl nickel powder, conductive silver paste, silver-coated copper powder, silver-coated glass, carbon nanotubes, conductive carbon black, conductive graphite and polythiophene.

Further, the shielding insulating layer includes a carbon black conductive resin coating layer coated on the conductive layer, and a black insulating ink coating layer coated on the carbon black conductive resin coating layer.

Further, the polyurethane buffer layer is one of microporous slow rebound foam or microporous fast rebound foam, and the thickness of the polyurethane buffer layer is 600-900 μm.

Further, the outer layer comprises an anti-oxidation layer made of anti-oxidation coating and a waterproof film layer coated on the anti-oxidation layer.

The utility model has the advantages that:

in practical application, the adhesive tape body can be bonded through the release protective layer, and the adhesive tape body has good conductivity through the conductive layer; the tape body has good electromagnetic shielding property and insulating property through the shielding insulating layer; the polyurethane buffer layer enables the adhesive tape body to have certain buffer property and good applicability; the inner part of the adhesive tape body can be protected through the outer layer; the utility model discloses not only have electric conductivity, still have good buffering nature, the suitability is good, fully provided the user demand of electrically conductive sticky tape.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

reference numerals are as follows: a base layer 11; a release protective layer 12; a conductive layer 13; a conductive adhesive layer 131; a conductive textile layer 132; a shield insulating layer 14; a carbon black conductive resin coating 141; a black insulating ink coating 142; a polyurethane buffer layer 15; an outer layer 16; an oxidation preventing layer 161; a waterproof membrane layer 162.

Detailed Description

As shown in fig. 1, a conductive shielding polyurethane adhesive tape comprises an adhesive tape body, and is characterized in that: the adhesive tape body comprises a base layer 11, a release protection layer 12 arranged below the base layer 11, a conductive layer 13 arranged on the base layer 11, a shielding insulating layer 14 arranged on the conductive layer 13, a polyurethane buffer layer 15 arranged on the shielding insulating layer 14, and an outer layer 16 arranged on the polyurethane buffer layer 15.

When in use, the adhesive tape body can be bonded through the release protective layer 12, and has good conductivity through the conductive layer 13; the tape body has good electromagnetic shielding performance and insulating performance through the shielding insulating layer 14; the polyurethane buffer layer 15 enables the adhesive tape body to have certain buffer performance and good applicability; the inner part of the adhesive tape body can be protected by the outer layer 16; the utility model discloses not only have electric conductivity, still have good resiliency, the suitability is good, fully provided the user demand of conductive adhesive tape.

As shown in fig. 1, the base layer 11 is a TPU film; in this embodiment, the base layer 11 made of the TPU film is wear-resistant and has good elasticity.

As shown in fig. 1, the conductive layer 13 includes two conductive adhesive layers 131 disposed opposite to each other, and a conductive fabric layer 132 adhered between the two conductive adhesive layers 131; the conductive adhesive layer 131 comprises an acrylic glue material component and conductive filler filled in the acrylic glue material component, wherein the conductive filler is slurry or powder; the conductive fabric layer 132 is a conductive non-woven fabric; in this embodiment, the conductive fabric layer 132 is adhered between the two conductive adhesive layers 131, so that the tape body has good conductivity.

As shown in fig. 1, the conductive filler includes one of nickel powder, carbonyl nickel powder, conductive silver paste, silver-coated copper powder, silver-coated glass, carbon nanotube, conductive carbon black, conductive graphite, and polythiophene; in this embodiment, the conductive filler made of one of nickel powder, carbonyl nickel powder, conductive silver paste, silver-coated copper powder, silver-coated glass, carbon nanotubes, conductive carbon black, conductive graphite, and polythiophene improves the conductivity of the conductive adhesive layer 131.

As shown in fig. 1, the shielding insulating layer 14 includes a carbon black conductive resin coating layer 141 coated on the conductive layer 13, and a black insulating ink coating layer 142 coated on the carbon black conductive resin coating layer 141; in this embodiment, the carbon black conductive resin coating 141 provides the tape body with good electromagnetic shielding properties, and the black insulating ink coating 142 provides the tape body with good insulating properties.

As shown in fig. 1, the polyurethane buffer layer 15 is one of microporous slow rebound foam or microporous fast rebound foam, and the thickness of the polyurethane buffer layer 15 is 600-900 μm; in the embodiment, the micro-hole slow-resilience foam or the micro-hole fast-resilience foam with the thickness of 600-900 microns is arranged, so that the adhesive tape body can generate elastic deformation when being extruded, and the adhesive tape has good buffering force.

As shown in fig. 1, the outer layer 16 includes an oxidation preventing layer 161 formed by spraying an oxidation preventing paint, and a waterproof film layer 162 coated on the oxidation preventing layer 161; in this embodiment, the tape body has good oxidation resistance by the oxidation-resistant layer 161 made of the oxidation-resistant coating by spraying, and has good water resistance by the waterproof film layer 162, so that the tape body has a longer service life.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the scope and spirit of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a conductive shielding polyurethane sticky tape, includes the sticky tape body, its characterized in that: the adhesive tape body comprises a base layer (11), a release protective layer (12) arranged below the base layer (11), a conductive layer (13) arranged on the base layer (11), a shielding insulating layer (14) arranged on the conductive layer (13), a polyurethane buffer layer (15) arranged on the shielding insulating layer (14), and an outer layer (16) arranged on the polyurethane buffer layer (15).

2. The electrically conductive, shielding polyurethane tape of claim 1, wherein: the base layer (11) is a TPU film.

3. The electrically conductive, shielding polyurethane tape of claim 1, wherein: the conductive layer (13) comprises two conductive adhesive layers (131) which are arranged oppositely up and down, and a conductive fabric layer (132) which is bonded between the two conductive adhesive layers (131); the conductive adhesive layer (131) comprises an acrylic glue material component and conductive filler filled in the acrylic glue material component, and the conductive filler is slurry or powder; the conductive fabric layer (132) is a conductive non-woven fabric.

4. A conductive shielding polyurethane tape as claimed in claim 3, wherein: the conductive filler comprises one of nickel powder, carbonyl nickel powder, conductive silver paste, silver-coated copper powder, silver-coated glass, carbon nano tubes, conductive carbon black, conductive graphite and polythiophene.

5. The electrically conductive, shielding polyurethane tape of claim 1, wherein: the shielding insulating layer (14) includes a carbon black conductive resin coating layer (141) coated on the conductive layer (13), and a black insulating ink coating layer (142) coated on the carbon black conductive resin coating layer (141).

6. The electrically conductive, shielding polyurethane tape of claim 1, wherein: the polyurethane buffer layer (15) is one of microporous slow-rebound foam or microporous fast-rebound foam, and the thickness of the polyurethane buffer layer (15) is 600-900 mu m.

7. The electrically conductive, shielding polyurethane tape of claim 1, wherein: the outer layer (16) comprises an anti-oxidation layer (161) made of anti-oxidation coating by spraying and a waterproof film layer (162) coated on the anti-oxidation layer (161).