CN208497880U - A kind of graphene-carbon nano tube film base heat-conducting pad - Google Patents
A kind of graphene-carbon nano tube film base heat-conducting pad Download PDFInfo
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- CN208497880U CN208497880U CN201820245294.8U CN201820245294U CN208497880U CN 208497880 U CN208497880 U CN 208497880U CN 201820245294 U CN201820245294 U CN 201820245294U CN 208497880 U CN208497880 U CN 208497880U
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Abstract
The utility model provides a kind of graphene-carbon nano tube film base heat-conducting pad, the heat-conducting pad includes substrate and setting composite graphite alkene-carbon nano-tube film on base material, composite graphite alkene-the carbon nano-tube film is superimposed to obtain by least two layers of single-layer graphene-carbon nano-tube film, is provided with heat-conducting glue layer between each single-layer graphene-carbon nano-tube film.The heat-conducting pad has good heat conduction effect, stretches and compressive deformation is big, the small feature of weight.
Description
Technical field
The utility model belongs to Heat Conduction Material field, is related to a kind of heat-conducting pad more particularly to a kind of graphene-carbon nanometer
Pipe film base heat-conducting pad.
Background technique
Thermal interfacial material is after decades of development, low from initial conduction oil, heat-conducting silicone grease, thermally conductive silica gel cloth etc. now
End product gradually develops to the high-end product such as heat-conducting pad, phase-transition material, thermally conductive gel and liquid metal, technology also by
Step gets a promotion, wherein it is with the fastest developing speed with heat-conducting pad, it is most widely used.
Traditional heat-conducting pad is substantially using silica gel or other high molecular materials as basis material, is led by filling
Hot powder makes composite material have passage of heat, to play the conduction of heat of material, the powder of filling is more, powder grain
Diameter collocation is more reasonable, and passage of heat is more, and corresponding material thermal conductivity is higher, but as packing material is more and more, produces
The mechanical property of product, especially tensile strength and compressibility decline to a great extent, so that application is limited in many occasions, together
When, the powder of filling is more, and the density of material is consequently increased, it is clear that with the current megatrend for pursuing lighting and user's physical examination
It is not inconsistent.
Utility model content
For the technical problems in the prior art, the utility model provides a kind of graphene-carbon nano tube film base
Heat-conducting pad, the heat-conducting pad mode compound by graphene and carbon nano-tube film, has given full play to graphene and carbon
Nanotube excellent electrical and thermal conductivity performance in particular directions, forms a large amount of passage of heat in the radial direction of film.Have
Good heat conduction effect, stretches and compressive deformation is big, the small feature of weight.
In order to achieve the above objectives, the utility model uses following technical scheme:
The utility model provides a kind of graphene-carbon nano tube film base heat-conducting pad, and the heat-conducting pad includes substrate
Be vertically arranged composite graphite alkene-carbon nano-tube film on base material, the composite graphite alkene-carbon nano-tube film is by least
Two layers of single-layer graphene-carbon nano-tube film is superimposed to obtain, and is provided between each single-layer graphene-carbon nano-tube film
Heat-conducting glue layer.
Wherein, the superposition number of plies of the single-layer graphene-carbon nano-tube film can be 2 layers, 3 layers, 4 layers, 5 layers, 10 layers,
15 layers, 20 layers, 30 layers, 50 layers, 80 layers or 100 layers etc., it is not limited to cited numerical value, in the numberical range, other are not
The numerical value enumerated is equally applicable.
As the preferred technical solution of the utility model, the composite graphite alkene-carbon nano-tube film with a thickness of 0.05
~2.0mm, as 0.05mm, 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm,
1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm or 2.0mm etc., it is not limited to institute
The numerical value enumerated, other interior unlisted numerical value of the numberical range are equally applicable.
As the preferred technical solution of the utility model, the heat-conducting glue layer with a thickness of 10~100 μm, such as 10 μm, 20 μ
M, 30 μm, 40 μm, 50 μm, 60 μm, 70 μm, 80 μm, 90 μm or 100 μm etc., it is not limited to cited numerical value, the numerical value
Other unlisted numerical value are equally applicable in range.
As the preferred technical solution of the utility model, the substrate layer with a thickness of 10~30 μm, such as 10 μm, 12 μm,
15 μm, 18 μm, 20 μm, 22 μm, 25 μm, 28 μm or 30 μm etc., it is not limited to cited numerical value, in the numberical range its
His unlisted numerical value is equally applicable.
In the utility model, the raw material of the substrate is flexible high molecular material.
Wherein, the flexible high molecular material be one pack system or two-component heat conductive silica gel, the heat-conducting glue be one pack system or
Bi-component heat conductive silica gel.Above-mentioned one pack system or two-component heat conductive silica gel are all the existing product that can be commercially available in the market.
Single-layer graphene-carbon nano-tube film provided by the utility model can be mixed by such as drawing-off method, powder and be filtered
The methods of paper method, powder mixing rubbing method and array spinning spray solution method processed are prepared, and the above method is this field
The prior art.
The utility model is compound by the graphene of excellent thermal conductivity and carbon nano-tube film, is effectively increased carbon
The passage of heat of nano-tube film substantially increases the heating conduction of carbon nano-tube film in radial directions.Due to single layer stone
Black alkene-carbon nano-tube film finite thickness, so being improved further through the compound of graphene-carbon nano tube film and heat-conducting glue
The interlaminar strength when superposition of multi-layer graphene-carbon nano-tube film, prepare the biggish graphene-carbon nano tube film of thickness/
Heat-conducting glue composite material, by the way that graphene heat-conducting pad can be obtained along the cutting of vertical radial direction.
Graphene-carbon nano tube film base heat-conducting pad provided by the utility model can be applied to the electronics such as mobile phone, computer
The equipment such as the heat dissipation of product chips and compressor it is energy-saving etc..
Compared with prior art, the utility model is at least had the advantages that
(1) the utility model provides a kind of graphene-carbon nano tube film base heat-conducting pad, and the heat-conducting pad has excellent
Different heating conduction, thermal coefficient is the left and right 30w/ (mk) when slice thickness is 0.5mm, and slice thickness is thermally conductive when being 2.0mm
Coefficient is 80w/ (mk)；
(2) the utility model provides a kind of graphene-carbon nano tube film base heat-conducting pad, and the heat-conducting pad has excellent
Different stretching and compressive deformation performance, light weight, tensile strength are greater than 30MPa, and drawing deformation is greater than 50%；
Detailed description of the invention
Fig. 1 is graphene-carbon nano tube film provided by the utility model/heat-conducting glue composite construction schematic diagram；
Fig. 2 is multi-layer graphene-carbon nano-tube film provided by the utility model/heat-conducting glue composite construction schematic diagram；
Fig. 3 is the structural schematic diagram of graphene-carbon nano tube film base heat-conducting pad provided by the utility model；
In figure: 1- graphene-carbon nano tube film, 2- conductive adhesive film, 3- substrate.
The utility model is further described below.But following examples is only the simple example of the utility model
Son, does not represent or limits the rights protection scope of the utility model, and the protection scope of the utility model is with claims
It is quasi-.
Specific embodiment
For the utility model is better described, it is easy to understand the technical solution of the utility model, the typical case of the utility model
But non-limiting embodiment is as follows:
Embodiment 1
It is compound described in the heat-conducting pad the present embodiment provides a kind of graphene-carbon nano tube film base heat-conducting pad
Graphene-carbon nano tube film is superimposed to obtain by single-layer graphene-carbon nano-tube film of 100 layers of 0.05mm thickness, each described
It is provided between single-layer graphene-carbon nano-tube film with a thickness of 100 μm of heat-conducting glue layers, the composite graphite alkene-carbon nanotube
Film normal is arranged on the substrate of 10 μ m-thicks.
When radially slice thickness is 0.5mm to step (3), the thermal coefficient of heat-conducting pad is 28.1W/ (mK)；When
For step (3) when radially slice thickness is 2.0mm, the thermal coefficient of heat-conducting pad is 77.6W/ (mK).
Embodiment 2
It is compound described in the heat-conducting pad the present embodiment provides a kind of graphene-carbon nano tube film base heat-conducting pad
Graphene-carbon nano tube film is superimposed to obtain by single-layer graphene-carbon nano-tube film of 2000 layers of 2.0mm thickness, each described
It is provided between single-layer graphene-carbon nano-tube film with a thickness of 10 μm of heat-conducting glue layers, the composite graphite alkene-carbon nanotube is thin
Film is vertically set on the substrate of 20 μ m-thicks.
When composite graphite alkene-carbon nano-tube film radially with a thickness of 0.5mm when, the thermal coefficient of heat-conducting pad is
30.1W/(m·K)；When composite graphite alkene-carbon nano-tube film is radially with a thickness of 2.0mm, the thermal coefficient of heat-conducting pad
For 82.3W/ (mK).
Embodiment 3
It is compound described in the heat-conducting pad the present embodiment provides a kind of graphene-carbon nano tube film base heat-conducting pad
Graphene-carbon nano tube film is superimposed to obtain by single-layer graphene-carbon nano-tube film of 1000 layers of 1.0mm thickness, each described
It is provided between single-layer graphene-carbon nano-tube film with a thickness of 12 μm of heat-conducting glue layers, the composite graphite alkene-carbon nanotube is thin
Film is vertically set on the substrate of 20 μ m-thicks.
When composite graphite alkene-carbon nano-tube film is radially with a thickness of 0.5mm, the thermal coefficient of heat-conducting pad is
26.2W/(m·K)；When composite graphite alkene-carbon nano-tube film is radially with a thickness of 2.0mm, the thermal coefficient of heat-conducting pad
For 75.9W/ (mK).
Embodiment 4
It is compound described in the heat-conducting pad the present embodiment provides a kind of graphene-carbon nano tube film base heat-conducting pad
Graphene-carbon nano tube film is superimposed to obtain by single-layer graphene-carbon nano-tube film of 200 layers of 1.5mm thickness, each list
It is provided between layer graphene-carbon nano tube film with a thickness of 18 μm of heat-conducting glue layers, the composite graphite alkene-carbon nano-tube film
It is vertically set on the substrate of 25 μ m-thicks.
When composite graphite alkene-carbon nano-tube film is radially with a thickness of 0.5mm, the thermal coefficient of heat-conducting pad is
28.4W/(m·K)；When composite graphite alkene-carbon nano-tube film is radially with a thickness of 2.0mm, the thermal coefficient of heat-conducting pad
For 78.6W/ (mK).
Embodiment 5
It is compound described in the heat-conducting pad the present embodiment provides a kind of graphene-carbon nano tube film base heat-conducting pad
Graphene-carbon nano tube film is superimposed to obtain by single-layer graphene-carbon nano-tube film of 500 layers of 0.8mm thickness, each list
It is provided between layer graphene-carbon nano tube film with a thickness of 15 μm of heat-conducting glue layers, the composite graphite alkene-carbon nano-tube film
It is vertically set on the substrate of 15 μ m-thicks.
When composite graphite alkene-carbon nano-tube film is radially with a thickness of 0.5mm, the thermal coefficient of heat-conducting pad is
27.3W/(m·K)；When composite graphite alkene-carbon nano-tube film is radially with a thickness of 2.0mm, the thermal coefficient of heat-conducting pad
For 76.1W/ (mK).
The structural schematic diagram of the graphene-carbon nano tube film base heat-conducting pad provided from the utility model embodiment 1-5
As shown in figure 3, the complex method of single-layer graphene-carbon nano-tube film and heat-conducting glue layer is as shown in Figure 1, multiple graphene-carbon
Nano-tube film and the complex method of multiple heat-conducting glue layers are as shown in Figure 2.
Composite graphite alkene-the carbon nano-tube film provided from the utility model embodiment 1-5 is radially with a thickness of 0.5mm's
The thermal coefficient of graphene-carbon nano tube film base heat-conducting pad reaches as high as 30.1W/ (mK), composite graphite alkene-carbon nanometer
Thermal coefficient of the pipe film radially with a thickness of the graphene-carbon nano tube film base heat-conducting pad of 2.0mm reaches as high as
82.3W/ (mK), thermal coefficient, can be according to lifes as radially thickness increases and increases composite graphite alkene-carbon nano-tube film
The specific requirements of production select suitable thickness.
The Applicant declares that the utility model illustrates the detailed construction feature of the utility model through the foregoing embodiment, but
The utility model is not limited to above-mentioned detailed construction feature, that is, does not mean that the utility model must rely on above-mentioned detailed construction
Feature could be implemented.It should be clear to those skilled in the art, any improvement to the utility model, practical new to this
The equivalence replacement of component selected by type and increase, the selection of concrete mode of accessory etc., all fall within the utility model
Within protection scope and the open scope.
Preferred embodiments of the present invention are described in detail above, still, the utility model is not limited to above-mentioned reality
Apply the detail in mode, in the range of the technology design of the utility model, can to the technical solution of the utility model into
The a variety of simple variants of row, these simple variants belong to the protection scope of the utility model.
It is further to note that specific technical features described in the above specific embodiments, in not lance
It in the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the utility model is to each
No further explanation will be given for the possible combination of kind.
In addition, any combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed
The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.
Claims (4)
1. a kind of graphene-carbon nano tube film base heat-conducting pad, which is characterized in that the heat-conducting pad includes substrate and vertical
Composite graphite alkene-carbon nano-tube film on base material is set, and the composite graphite alkene-carbon nano-tube film is by least two layers
Single-layer graphene-carbon nano-tube film is superimposed to obtain, and is provided with heat-conducting glue between each single-layer graphene-carbon nano-tube film
Layer.
2. heat-conducting pad according to claim 1, which is characterized in that the thickness of the composite graphite alkene-carbon nano-tube film
Degree is 0.05~2.0mm.
3. heat-conducting pad according to claim 1, which is characterized in that the heat-conducting glue layer with a thickness of 10~100 μm.
4. heat-conducting pad according to claim 1, which is characterized in that the substrate with a thickness of 10~30 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820245294.8U CN208497880U (en) | 2018-02-11 | 2018-02-11 | A kind of graphene-carbon nano tube film base heat-conducting pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820245294.8U CN208497880U (en) | 2018-02-11 | 2018-02-11 | A kind of graphene-carbon nano tube film base heat-conducting pad |
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| Publication Number | Publication Date |
|---|---|
| CN208497880U true CN208497880U (en) | 2019-02-15 |
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ID=65296106
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| CN201820245294.8U Active CN208497880U (en) | 2018-02-11 | 2018-02-11 | A kind of graphene-carbon nano tube film base heat-conducting pad |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3093256A1 (en) * | 2019-02-27 | 2020-08-28 | Psa Automobiles Sa | DISSYMMETRIC CALORIE TRANSFER WAVE EMISSION / RECEPTION DEVICE, FOR A BODYWALL OF A VEHICLE |
| CN113183544A (en) * | 2021-04-22 | 2021-07-30 | 常州富烯科技股份有限公司 | Heat-conducting gasket and preparation method thereof |
-
2018
- 2018-02-11 CN CN201820245294.8U patent/CN208497880U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3093256A1 (en) * | 2019-02-27 | 2020-08-28 | Psa Automobiles Sa | DISSYMMETRIC CALORIE TRANSFER WAVE EMISSION / RECEPTION DEVICE, FOR A BODYWALL OF A VEHICLE |
| CN113183544A (en) * | 2021-04-22 | 2021-07-30 | 常州富烯科技股份有限公司 | Heat-conducting gasket and preparation method thereof |
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Effective date of registration: 20200506 Granted publication date: 20190215 |
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Effective date of registration: 20220610 Address after: 523000 room 1005, building 1, 310 Songbai Road, Liaobu Town, Dongguan City, Guangdong Province Patentee after: Dongguan guangti Technology Co.,Ltd. Address before: 523000 floors 1-3, building F and 1-3, building g, Zone E, Huatai Science Park, Dalong village, Xiegang Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN MINGJUN INTELLIGENT TECHNOLOGY CO.,LTD. |