CN210163367U

CN210163367U - Buffering conductive foam

Info

Publication number: CN210163367U
Application number: CN201920781215.XU
Authority: CN
Inventors: 潘拥兵; 李康; 徐龙
Original assignee: KUNSHAN JIN YUE ELECTRONICS Co Ltd
Current assignee: KUNSHAN JIN YUE ELECTRONICS Co Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-03-20
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a buffering conductive foam, which comprises a conductive layer, a foam body, a heat dissipation layer and a release film which are sequentially laminated; the foam body is provided with a plurality of through holes, and spiral metal wires are inserted into the through holes; the foam body comprises a first foam layer, an acrylic adhesive layer and a second foam layer which are sequentially attached from top to bottom; the upper surface of the first foam layer and the lower surface of the second foam layer are respectively adhered with an aluminum foil composite fiber layer, one side of the upper aluminum foil composite fiber layer, which is far away from the first foam layer, is adhered with a conductive layer, and one side of the lower aluminum foil composite fiber layer, which is far away from the second foam layer, is adhered with a heat dissipation layer; and the lower side of the heat dissipation layer is pasted with a release film through a flame-retardant adhesive layer. The utility model provides a buffering electrically conductive bubble is cotton, has better buffering, antidetonation effect, possesses better electric conductivity, thermal diffusivity and fire behaviour simultaneously.

Description

Buffering conductive foam

Technical Field

The utility model relates to a buffering electrically conducts bubble cotton belongs to the manufacturing field of gluing goods.

Background

Along with the rapid development of electronic products, the performance requirements of the electronic products are more and more strict, foam products are widely applied to the electronic products, and the existing foam products are mainly common PU foam and hot melt adhesive which are heated and adhered together through a mould, so that the foam products have the effects of sealing, buffering, damping and the like. However, the electronic components are small, so the volume of the used foam is small, and the effect of buffering and damping is not high only by the elasticity of the foam body; in addition, the common foam has poor conductive and heat dissipation effects and is difficult to meet the market demand.

SUMMERY OF THE UTILITY MODEL

The purpose is as follows: in order to overcome the defects existing in the prior art, the utility model provides a buffering conductive foam.

The technical scheme is as follows: in order to solve the technical problem, the utility model discloses a technical scheme does:

a buffering conductive foam comprises a conductive layer, a foam body, a heat dissipation layer and a release film which are sequentially attached;

the foam body is provided with a plurality of through holes, and spiral metal wires are inserted into the through holes; the foam body comprises a first foam layer, an acrylic adhesive layer and a second foam layer which are sequentially attached from top to bottom; the upper surface of the first foam layer and the lower surface of the second foam layer are respectively adhered with an aluminum foil composite fiber layer, one side of the upper aluminum foil composite fiber layer, which is far away from the first foam layer, is adhered with a conductive layer, and one side of the lower aluminum foil composite fiber layer, which is far away from the second foam layer, is adhered with a heat dissipation layer; and the lower side of the heat dissipation layer is pasted with a release film through a flame-retardant adhesive layer.

Further, the first foam layer is PE foam or EVA foam; the second foam layer is PE foam or EVA foam.

Further, the length of the metal wire after being straightened is equal to or larger than the thickness of the foam body.

Further, the metal wire is an aluminum wire or a copper wire.

Further, the conducting layer is a high-conductivity nano carbon layer.

Further, the flame-retardant adhesive is an acrylic adhesive.

Further, the heat dissipation layer is a high-thermal-conductivity nano silver ion layer.

Has the advantages that: the utility model provides a buffering conductive foam, the foam body includes two layers of foam layers, and sets up the through-hole on the foam body, places the heliciform wire in the through-hole, increases the foam elasticity, improves buffering, antidetonation effect; aluminium foil complex fiber layer is pasted respectively to both sides about the cotton body of bubble, pastes conducting layer, heat dissipation layer respectively in the upper and lower aluminium foil complex fiber layer outside, improves the cotton electric conductivity of bubble and heat-sinking capability, and type membrane is pasted through fire-retardant gluing agent to heat dissipation layer downside in addition, increases the cotton flame retardant ability of bubble, improves the cotton safety in utilization performance of bubble.

Drawings

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

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, a buffering conductive foam comprises a conductive layer 2, a foam body 1, a heat dissipation layer 3 and a release film 4 which are attached in sequence.

The foam body 1 is provided with a plurality of through holes 11, and spiral metal wires 12 are inserted into the through holes 11; the length of the metal wire 12 after being straightened is equal to or greater than the thickness of the foam body 1, the metal wire 12 is inserted into the through hole 11 after being bent into a spiral shape, and the length of the spiral metal wire is equal to or slightly less than the thickness of the foam body; set up through-hole and wire, the elasticity and the intensity of multiplicable bubble cotton body improve its buffering, antidetonation effect. The metal wire 12 is an aluminum wire or a copper wire.

The foam body 1 comprises a first foam layer 13, an acrylic adhesive layer 14 and a second foam layer 15 which are sequentially attached from top to bottom; the first foam layer 13 is PE foam or EVA foam, and the second foam layer 15 is PE foam or EVA foam.

First bubble cotton layer 13 upper surface, second bubble cotton layer 15 lower surface paste aluminium foil composite fiber layer 5 respectively, and the conducting layer 2 is pasted to the one side that first bubble cotton layer 13 was kept away from to the aluminium foil composite fiber layer 5 of top, conducting layer 2 is the high electrically conductive nano carbon layer. And a heat dissipation layer 3 is adhered to one side, away from the second foam layer 15, of the lower aluminum foil composite fiber layer 5, and the heat dissipation layer 3 is a high-heat-conductivity nano silver ion layer.

The lower side of the heat dissipation layer 3 is adhered with a release film 4 through a flame-retardant adhesive layer 6, and the flame-retardant adhesive layer 6 is an acrylic acid adhesive. Use the utility model provides a when buffering electrically conductive bubble is cotton, reveal from type membrane 4, the viscidity that utilizes fire-retardant gluing agent will soak cotton paste in relevant position can.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a buffering electrically conducts bubble cotton which characterized in that: the heat dissipation layer comprises a conductive layer, a foam body, a heat dissipation layer and a release film which are sequentially attached;

2. The buffer conductive foam of claim 1, wherein: the first foam layer is PE foam or EVA foam; the second foam layer is PE foam or EVA foam.

3. The buffer conductive foam of claim 1, wherein: the length of the metal wire after being straightened is equal to or larger than the thickness of the foam body.

4. The buffer conductive foam as claimed in claim 1 or 3, wherein: the metal wire is an aluminum wire or a copper wire.

5. The buffer conductive foam of claim 1, wherein: the conducting layer is a high-conductivity nano carbon layer.

6. The buffer conductive foam of claim 1, wherein: the flame-retardant adhesive is acrylic acid series adhesive.

7. The buffer conductive foam of claim 1, wherein: the heat dissipation layer is a high-thermal-conductivity nano silver ion layer.