CN211645103U

CN211645103U - Conductive double-sided back adhesive

Info

Publication number: CN211645103U
Application number: CN201921222639.9U
Authority: CN
Inventors: 吴路路
Original assignee: SUZHOU HENGKUN PRECISION ELECTRONIC CO Ltd
Current assignee: SUZHOU HENGKUN PRECISION ELECTRONIC CO Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-10-09
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a two-sided gum of electrically conductive, including the two-sided gum body of electrically conductive, the both sides of the two-sided gum body of electrically conductive all are provided with from type paper, and the two-sided gum body of electrically conductive comprises a electrically conductive substrate layer, two electrically conductive rubber layers, two silver-colored coatings and two electrically conductive glue water layers. The utility model discloses a conductive particle that sets up in the conductive rubber layer can strengthen the electric conductivity of this electrically conductive two-sided gum, and conductive rubber layer has good toughness, consequently, can increase the anti fracture ability of this electrically conductive two-sided gum, and then prevent this electrically conductive two-sided gum fracture under the condition of characteristics occasion and long-time work, and when external electromagnetic field is outside to conductive rubber layer, strong electromagnetic wave is hit on conductive particle's free electron, free electron free motion, free electron forms the electromagnetic field opposite with external electromagnetic field in the motion process, inside and outside electromagnetic field offsets each other, reach the effect that weakens the electromagnetic interference wave.

Description

Conductive double-sided back adhesive

Technical Field

The utility model relates to a conductive gum, specifically be a conductive double-sided gum.

Background

The conductive back adhesive is widely applied because of good conductivity and shielding effect, good anti-friction performance and good processability, the conductive adhesive tape is suitable for various electronic and electrical products such as computers, mobile phones, wires, cables and the like, and the adhesive tapes are various and comprise a single-sided adhesive tape and a double-sided adhesive tape.

The conductive back glue needs to have good toughness when used in certain specific occasions, the toughness of the existing conductive back glue is mostly poor, and the situation that the conductive back glue is broken possibly due to long-time adhesion in the use process is avoided, so that the practicability of the conductive back glue is influenced. Therefore, we improve this and propose a conductive double-sided adhesive tape.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a conductive double-sided gum, including conductive double-sided gum body, the both sides of conductive double-sided gum body all are provided with from type paper, conductive double-sided gum body comprises a conductive substrate layer, two conductive rubber layers, two silver coatings and two conductive glue layers, two the conductive rubber layer bonds respectively in the both sides of conductive substrate layer, two the silver coating is coated respectively in the one side that two conductive rubber layers kept away from mutually, two the conductive glue layer is coated respectively in the one side that two silver coatings kept away from mutually.

As an optimized technical scheme of the utility model, the electrically conductive substrate layer comprises polyester fiber, metal nickel and metal copper, metal nickel is electroplated on polyester fiber, metal copper is electroplated on metal nickel.

As an optimized technical scheme of the utility model, the conductive rubber layer comprises silicon rubber and conductive particles, conductive particles evenly distributed is in silicon rubber.

As a preferred technical scheme of the utility model, the conductive particles are aluminum silver plated.

As an optimized technical solution of the present invention, the conductive glue layer composition comprises the following components in parts by weight: 20 parts of polydimethylsiloxane, 5 parts of hydrogen-bonded polysiloxane oil, 0.15 part of polymerization inhibitor, 1 part of capsule-coated platinum complex and 10 parts of graphite conductive powder.

The utility model has the advantages that: this kind of electrically conductive double-sided gum, the electric conductivity of this electrically conductive double-sided gum can be strengthened through the electrically conductive granule that sets up in the electrically conductive rubber layer, and electrically conductive rubber layer has good toughness, consequently, can increase the anti fracture ability of this electrically conductive double-sided gum, and then prevent this electrically conductive double-sided gum from breaking under the condition of characteristics occasion and long-time work, and when external electromagnetic field to electrically conductive rubber layer outside, strong electromagnetic wave hits on the free electron of electrically conductive granule, free electron free motion, free electron forms the electromagnetic field opposite with external electromagnetic field in the motion process, inside and outside electromagnetic field offsets each other, reach the effect that weakens the electromagnetic interference wave, and can further eliminate electromagnetic interference through setting up the silver coating, and can further increase the electric conductivity of this electrically conductive double-sided gum.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a conductive double-sided adhesive tape of the present invention;

fig. 2 is a schematic view of the front view structure of the conductive double-sided adhesive tape of the present invention.

In the figure: 1. a conductive double-sided adhesive body; 2. release paper; 11. a conductive substrate layer; 12. a conductive rubber layer; 13. a silver coating; 14. and (6) a conductive glue layer.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1 and fig. 2, the utility model relates to a conductive double-sided gum, including conductive double-sided gum body 1, the both sides of conductive double-sided gum body 1 all are provided with from type paper 2, conductive double-sided gum body 1 is by a conductive substrate layer 11, two conductive rubber layers 12, two silver coatings 13 and two conductive glue layers 14 are constituteed, two conductive rubber layers 12 bond respectively in the both sides of conductive substrate layer 11, two silver coatings 13 coat respectively in the one side that two conductive rubber layers 12 kept away from mutually, two conductive glue layers 14 coat respectively in the one side that two silver coatings 13 kept away from mutually.

The conductive base material layer 11 is composed of polyester fibers, metal nickel and metal copper, the metal nickel is electroplated on the polyester fibers, the metal copper is electroplated on the metal nickel, and the combination of the copper and the nickel provides excellent conductivity and a good electromagnetic shielding effect.

The conductive rubber layer 12 is composed of silicon rubber and conductive particles, the conductive particles are uniformly distributed in the silicon rubber, and the silicon rubber has good toughness, so that the anti-fracture capability of the conductive double-sided back adhesive can be improved, and the conductive double-sided back adhesive is prevented from being fractured in special occasions and under the condition of long-time work.

The conductive particles are made of aluminum and silver, when an external electromagnetic field reaches the outside of the conductive rubber layer 12, strong electromagnetic waves strike free electrons of the conductive particles, the free electrons move freely, the free electrons form an electromagnetic field opposite to the external electromagnetic field in the moving process, the internal electromagnetic field and the external electromagnetic field are mutually offset, and the effect of weakening electromagnetic interference waves is achieved.

Wherein the conductive glue layer 14 comprises the following components in parts by weight: 20 parts of polydimethylsiloxane, 5 parts of hydrogen-bonded polysiloxane oil, 0.15 part of polymerization inhibitor, 1 part of capsule-coated platinum complex and 10 parts of graphite conductive powder, wherein the conductivity of the conductive double-sided back adhesive can be further increased by adding the graphite conductive powder.

When in work, firstly, the conductive double-sided back adhesive with the corresponding length is cut according to the actual situation of sticking articles, then the release paper 2 at the two sides of the conductive double-sided back adhesive body 1 is torn off, the conductive double-sided back adhesive body 1 is adhered between two articles, during use, electricity is transmitted through the conductive glue layer 14, the silver coating layer 13, the conductive rubber layer 12 and the conductive base material layer 11, thereby achieving the electric conduction effect of electric power intercommunication, and the electric conduction substrate layer 11 made by copper plating and nickel plating can provide excellent electric conduction and good electromagnetic shielding effect, the silicon rubber used for manufacturing the conductive rubber layer 12 has good toughness, so that the fracture resistance of the conductive double-sided back adhesive can be improved, thereby preventing the conductive double-sided back adhesive from being broken in special occasions and under the condition of long-time work, and the conductive particles in the conductive rubber layer 12 can achieve the effect of attenuating electromagnetic interference waves while improving the conductivity.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a two-sided gum of electrically conducting, includes electrically conducting two-sided gum body (1), its characterized in that, the both sides of electrically conducting two-sided gum body (1) all are provided with from type paper (2), electrically conducting two-sided gum body (1) comprises a conductive substrate layer (11), two conductive rubber layer (12), two silver-colored coating (13) and two conductive glue layer (14), two conductive rubber layer (12) bond respectively in the both sides of conductive substrate layer (11), two silver-colored coating (13) are coated respectively on the one side that two conductive rubber layer (12) kept away from mutually, two conductive glue layer (14) are coated respectively on the one side that two silver-colored coating (13) kept away from mutually.

2. The conductive double-sided adhesive tape as claimed in claim 1, wherein the conductive substrate layer (11) is composed of polyester fibers, metal nickel and metal copper, the metal nickel is plated on the polyester fibers, and the metal copper is plated on the metal nickel.

3. The conductive double-sided adhesive tape according to claim 1, wherein the conductive rubber layer (12) is composed of silicone rubber and conductive particles uniformly distributed in the silicone rubber.

4. The conductive double-sided adhesive tape according to claim 3, wherein the conductive particles are silver aluminum plated.