CN206697475U - A kind of graphene heat conducting film - Google Patents
A kind of graphene heat conducting film Download PDFInfo
- Publication number
- CN206697475U CN206697475U CN201720280806.XU CN201720280806U CN206697475U CN 206697475 U CN206697475 U CN 206697475U CN 201720280806 U CN201720280806 U CN 201720280806U CN 206697475 U CN206697475 U CN 206697475U
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- China
- Prior art keywords
- heat conduction
- membrane body
- heat
- sided
- graphene
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Abstract
The utility model discloses a kind of graphene heat conducting film, including heat conduction membrane body, the heat conduction membrane body is made up of base material and graphene layer, the layers of two-sided that two sides is respectively provided with nonconductive adhesive is provided with below the heat conduction membrane body, the heat conduction membrane body is bonded by layers of two-sided and off-style paper layer, is covered with one layer of PET film above the heat conduction membrane body, the horizontal thermal conductivity factor of the heat conduction membrane body is 600 1800W/mK, vertical thermal conductivity is 15 20W/mK, and density is 0.55 2.1g/cm3.A kind of graphene heat conducting film of the utility model can compare, but heat-conducting silicone grease and the problem of aging of heat conduction phase-change material is not present with high thermal conductivity and with good anisotropy feature with heat-conducting silicone grease, heat conduction phase-change material；It is widely used in and eliminates hot localised points, smoothed temperature gradient, heat transfer and change direction of heat flow etc.；With good flexility, it is easy to be die cut processing and installation application, there is low thermal resistance characteristic.
Description
Technical field
A kind of heat conducting film is the utility model is related to, more particularly to a kind of graphene heat conducting film, belongs to Heat Conduction Material technology
Field.
Background technology
With developing rapidly for modern science and technology, the miniaturization of electronic device, chip dominant frequency improve constantly, and function increasingly increases
By force, the power consumption of one single chip gradually increases, and these result in heat flow density and drastically increased.And study and show, the electricity more than 55%
The failure mode of sub- equipment is too high caused by temperature, therefore the heat dissipation problem of electronic device has in the development of electronic device
Very important effect.
Existing market portioned product carries out heat conduction and heat radiation, especially copper and aluminium by metal group material, although the heat conduction of copper
Coefficient is 398W/mK, but weight is big, the application for limiting it such as oxidizable, and the thermal conductivity factor of aluminium is 237W/mK, it is difficult to
Meets the needs of existing product is to heat conduction and heat radiation.
Therefore, it is badly in need of providing a kind of heat conducting film, to solve the deficiencies in the prior art.
Utility model content
The purpose of this utility model is：A kind of graphene heat conducting film that can solve problems described above is provided, stabilization can
Lean on, without problem of aging and stable performance.
In order to solve the above technical problems, the technical scheme that the utility model uses is：A kind of graphene heat conducting film, bag
Heat conduction membrane body is included, the heat conduction membrane body is made up of base material and graphene layer, and two sides is provided with below the heat conduction membrane body
The layers of two-sided of nonconductive adhesive is respectively provided with, the heat conduction membrane body is bonded by layers of two-sided and off-style paper layer, the heat conducting film
It is covered with one layer of PET film above body, the horizontal thermal conductivity factor of the heat conduction membrane body is 600-1800W/mK, vertical thermal conductivity
For 15-20W/mK, density 0.55-2.1g/cm3。
Preferably, the thickness of the layers of two-sided is 20-90 μm, the layers of two-sided surface is further opened with some ventilations
Hole.
Preferably, the purity of the graphene layer is 99.1%-99.8%, the graphene layer thickness is no more than 20 μ
m。
Preferably, the layers of two-sided is any one in polyurethane adhesive, esters of acrylic acid or composite resin glue.
Preferably, the thickness of the off-style paper layer is more than the thickness of layers of two-sided, the thickness of the PET film is less than two-sided
The thickness of glue-line.
The beneficial effects of the utility model are：This graphene heat conducting film is with high thermal conductivity and with good
Anisotropy feature, it can be compared with heat-conducting silicone grease, heat conduction phase-change material, but in the absence of heat-conducting silicone grease and heat conduction phase-change material
Problem of aging；It is widely used in and eliminates hot localised points, smoothed temperature gradient, heat transfer and change direction of heat flow etc.；Have
Good flexility, it is easy to be die cut processing and installation application, there is low thermal resistance characteristic.
Brief description of the drawings
Fig. 1 is a kind of structural representation of graphene heat conducting film of the utility model.
The mark of each part is as follows in accompanying drawing：1st, heat conduction membrane body；2nd, layers of two-sided；3rd, off-style paper layer；4th, PET film.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model
Define.
Refer to shown in Fig. 1, a kind of graphene heat conducting film, including heat conduction membrane body 1, the heat conduction membrane body 1 is by base material
Formed with graphene layer, the lower section of heat conduction membrane body 1 is provided with the layers of two-sided 2 that two sides is respectively provided with nonconductive adhesive, described to lead
Hotting mask body 1 is bonded by layers of two-sided 2 and off-style paper layer 3, and the top of heat conduction membrane body 1 is covered with one layer of PET film 4, described
The horizontal thermal conductivity factor of heat conduction membrane body 1 is 600-1800W/mK, vertical thermal conductivity 15-20W/mK, density 0.55-
2.1g/cm3。
Further, the thickness of the layers of two-sided 2 is 20-90 μm, and the surface of layers of two-sided 2 is further opened with some logical
Stomata, the purity of the graphene layer is 99.1%-99.8%, and the graphene layer thickness is no more than 20 μm, the double faced adhesive tape
Layer 2 is any one in polyurethane adhesive, esters of acrylic acid or composite resin glue, and the thickness of the off-style paper layer 3 is more than double
The thickness of face glue-line 2, the thickness of the PET film 4 are less than the thickness of layers of two-sided 2.
This graphene heat conducting film, can be with thermal conductive silicon with high thermal conductivity and with good anisotropy feature
Fat, heat conduction phase-change material analogy, but in the absence of heat-conducting silicone grease and the problem of aging of heat conduction phase-change material；It is widely used in and disappears
Except hot localised points, smoothed temperature gradient, heat transfer and change direction of heat flow etc.；With good flexility, it is easy to be die cut
Processing and installation application, there is low thermal resistance characteristic.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. a kind of graphene heat conducting film, including heat conduction membrane body (1), it is characterised in that：The heat conduction membrane body (1) by base material and
Graphene layer is formed, and the layers of two-sided (2) that two sides is respectively provided with nonconductive adhesive is provided with below the heat conduction membrane body (1), described
Heat conduction membrane body (1) is bonded by layers of two-sided (2) and off-style paper layer (3), and one layer is covered with above the heat conduction membrane body (1)
PET film (4), the horizontal thermal conductivity factor of the heat conduction membrane body (1) is 600-1800W/mK, vertical thermal conductivity 15-20W/
MK, density 0.55-2.1g/cm3。
A kind of 2. graphene heat conducting film according to claim 1, it is characterised in that：The thickness of the layers of two-sided (2) is
20-90 μm, layers of two-sided (2) surface is further opened with some passages.
A kind of 3. graphene heat conducting film according to claim 1, it is characterised in that：The purity of the graphene layer is
99.1%-99.8%, the graphene layer thickness are no more than 20 μm.
A kind of 4. graphene heat conducting film according to claim 1, it is characterised in that：The layers of two-sided (2) is polyurethane
Any one in glue, esters of acrylic acid or composite resin glue.
A kind of 5. graphene heat conducting film according to claim 1, it is characterised in that：The thickness of the off-style paper layer (3) is big
Thickness in layers of two-sided (2), the thickness of the PET film (4) are less than the thickness of layers of two-sided (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720280806.XU CN206697475U (en) | 2017-03-21 | 2017-03-21 | A kind of graphene heat conducting film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720280806.XU CN206697475U (en) | 2017-03-21 | 2017-03-21 | A kind of graphene heat conducting film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206697475U true CN206697475U (en) | 2017-12-01 |
Family
ID=60442676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720280806.XU Expired - Fee Related CN206697475U (en) | 2017-03-21 | 2017-03-21 | A kind of graphene heat conducting film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206697475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115279032A (en) * | 2022-07-29 | 2022-11-01 | 赛维精密科技(广东)有限公司 | Graphene sheet material and manufacturing process |
-
2017
- 2017-03-21 CN CN201720280806.XU patent/CN206697475U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115279032A (en) * | 2022-07-29 | 2022-11-01 | 赛维精密科技(广东)有限公司 | Graphene sheet material and manufacturing process |
| CN115279032B (en) * | 2022-07-29 | 2023-05-12 | 赛维精密科技(广东)有限公司 | Graphene sheet material manufacturing process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |