CN204498543U - A kind of Graphene heat dissipation film - Google Patents
A kind of Graphene heat dissipation film Download PDFInfo
- Publication number
- CN204498543U CN204498543U CN201520208578.6U CN201520208578U CN204498543U CN 204498543 U CN204498543 U CN 204498543U CN 201520208578 U CN201520208578 U CN 201520208578U CN 204498543 U CN204498543 U CN 204498543U
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- CN
- China
- Prior art keywords
- heat dissipation
- graphene heat
- graphene
- dissipation film
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 41
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 30
- 230000004888 barrier function Effects 0.000 claims abstract description 20
- 229920006267 polyester film Polymers 0.000 claims abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims description 6
- 150000003863 ammonium salts Chemical class 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 230000005012 migration Effects 0.000 abstract 1
- 238000013508 migration Methods 0.000 abstract 1
- 229920006264 polyurethane film Polymers 0.000 abstract 1
- 239000000047 product Substances 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- OCVZNQCDPKRNDL-UHFFFAOYSA-N 2-hydroxyethyl-dimethyl-octadecylazanium;nitrate Chemical compound [O-][N+]([O-])=O.CCCCCCCCCCCCCCCCCC[N+](C)(C)CCO OCVZNQCDPKRNDL-UHFFFAOYSA-N 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- DDXLVDQZPFLQMZ-UHFFFAOYSA-M dodecyl(trimethyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)C DDXLVDQZPFLQMZ-UHFFFAOYSA-M 0.000 description 2
- 239000007770 graphite material Substances 0.000 description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005087 graphitization Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The utility model provides a kind of Graphene heat dissipation film, comprises release film layer (1), heat conduction glue-line (2), Graphene heat dissipating layer (3), barrier coat (4), polyester film substrate layer (5) from top to bottom.Described polyester film substrate layer (5) has supporting role for the heat dissipating layer of Graphene, described barrier coat (4) is arranged on the centre position of Graphene heat dissipating layer (3) and polyurethane film substrate layer (5), the Small molecular migration of polyester film inside during to control high temperature, described Graphene heat dissipation film good heat dissipation effect and possess high temperature tolerance performance.
Description
Technical field
The utility model relates to heat sink material field, particularly relates to a kind of Graphene heat dissipation film.
Background technology
Along with the application of microelectric technique, electronic product develops towards both direction: the integrated level of one side product is more and more higher, power consumption constantly increases; Product is more and more lighter, thin, little on the other hand.This just makes the heat radiation contradiction of product more and more outstanding, and electronic product radiating governs a key factor of product reliability often.
Existing market portioned product carries out heat conduction and heat radiation by metal species, especially copper and aluminium, although the conductive coefficient of copper is 398W/mK, but the weight of copper is large, the character such as oxidizable limits its application, and the conductive coefficient of aluminium is not high, conductive coefficient is 237W/mK, is difficult to meet the demand of existing product to heat conduction and heat radiation.The heat radiation of heat dissipation film to electronic product that the natural graphite material used at present and the graphite material of Prof. Du Yucang are made has had certain improvement, but graphite radiating film is mainly by making the methods such as the method for directly calendering after graphite treatment and macromolecule charing, graphitization, surface is that its tensile strength of heat sink material of graphite is not high, frangible and granule dust is many and inconvenient installation and use.
Summary of the invention
The technical problem that the utility model mainly solves is to provide a kind of Graphene heat dissipation film, utilizes Graphene as heat sink material, effectively improves the radiating effect of heat dissipation film, and Graphene heat dissipation film of the present utility model also possesses high temperature tolerance performance simultaneously.
For solving above technical problem, the utility model is realized by following technical scheme:
A kind of Graphene heat dissipation film, comprises release film layer 1, heat conduction glue-line 2, Graphene heat dissipating layer 3, barrier coat 4, polyester film substrate layer 5 from top to bottom.
Preferably, the thickness of described Graphene heat dissipating layer 3 is 10 μm ~ 300 μm.
Preferred further, the thickness of described Graphene heat dissipating layer 3 is 10 μm ~ 100 μm.
Preferably, described heat conduction glue-line 2 thickness is 2 μm ~ 30 μm.
Preferably, the thickness of described polyester film substrate layer 5 is 25 μm ~ 100 μm.
Preferably, described barrier coat 4 is the coating of quarternary ammonium salt, and described quarternary ammonium salt comprises the combination of one or more in alkyl trimethyl quaternary ammonium salt, DTAC, octadecyldimethyl hydroxyethyl ammonium nitrate.
Preferably, described barrier coat agent is the coating agent NR-121X-18 that Japanese COLCOAT Co., Ltd. produces.
Preferably, the thickness of described barrier coat 4 is 5 μm ~ 30 μm.
The beneficial effects of the utility model are:
Graphene has very high thermal conductivity, adopt Graphene as heat dissipating layer, compared with prior art, substantially increase the heat dispersion of heat dissipation film, temperature tolerance improvement is carried out to heat dissipation film simultaneously, by unique design, when polyester film carrying out barrier coat design to control high temperature, the Small molecular of polyester film inside moves, the heat dissipation film good heat dissipation effect made and possess high temperature tolerance performance.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of a kind of Graphene heat dissipation film of the utility model;
Symbol description in above-mentioned Fig. 1: 1 be release film layer, 2 be heat conduction glue-line, 3 be Graphene heat dissipating layer, 4 be barrier coat, 5 for polyester film substrate layer.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
The utility model provides a kind of Graphene heat dissipation film, as shown in Figure 1, comprises from top to bottom: release film layer 1, heat conduction glue-line 2, Graphene heat dissipating layer 3, barrier coat 4, polyester film substrate layer 5.
In the utility model, with the heat dissipating layer 3 containing Graphene for agent structure, be supporting layer structure with polyester film substrate layer 5.The described heat dissipating layer effect containing Graphene is heat radiation, for the thickness of described Graphene heat dissipating layer, be preferably 10 μm ~ 300 μm, the thickness of described Graphene heat dissipating layer is more preferably 10 μm ~ 100 μm, the area of the heat dissipating layer of described Graphene is not particularly limited, it is by spraying, roller coat, the modes such as brushing are laminating on barrier coat 4, described barrier coat 4 comprises barrier coat agent, described barrier coat agent comprises quarternary ammonium salt, described quarternary ammonium salt comprises alkyl trimethyl quaternary ammonium salt, DTAC, the combination of one or more in octadecyldimethyl hydroxyethyl ammonium nitrate.The barrier coat agent that the present embodiment adopts is the coating agent NR-121X-18 that Japanese COLCOAT Co., Ltd. produces, and the thickness of described barrier coat 4 is 5 μm ~ 30 μm.Described Graphene heat dissipating layer 3 another side utilizes heat conduction glue-line 2 and release film layer 1 to fit together.
A kind of Graphene heat dissipation film provided by the utility model can be used for the electric equipment products such as mobile phone, panel computer, also can be used for heat conduction in other electronic product use procedure.Because Graphene has very high thermal conductivity, adopt Graphene as heat dissipating layer, compared with prior art, substantially increase the heat dispersion of heat dissipation film, temperature tolerance improvement is carried out to heat dissipation film simultaneously, by unique design, when polyester film carrying out barrier coat design to control high temperature, the Small molecular of polyester film inside moves, make heat dissipation film good heat dissipation effect and possess high temperature tolerance performance.
The utility model one of ordinary skill in the art be appreciated that; the above embodiment of the utility model is only one of preferred embodiment of the present utility model; for length restriction; here can not all execution modes of particularize; any enforcement that can embody the utility model claim technical scheme, all in protection range of the present utility model.It should be noted that; above content is in conjunction with concrete execution mode further detailed description of the utility model; can not assert that embodiment of the present utility model is only limitted to this; under above-mentioned guidance of the present utility model; those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improve or distortion drops in protection range of the present utility model.
Claims (8)
1. a Graphene heat dissipation film, is characterized in that: comprise release film layer (1), heat conduction glue-line (2), Graphene heat dissipating layer (3), barrier coat (4), polyester film substrate layer (5) from top to bottom.
2. a kind of Graphene heat dissipation film according to claim 1, is characterized in that: the thickness of described Graphene heat dissipating layer (3) is 10 μm ~ 300 μm.
3. a kind of Graphene heat dissipation film according to claim 2, is characterized in that: the thickness of described Graphene heat dissipating layer (3) is 10 μm ~ 100 μm.
4. a kind of Graphene heat dissipation film according to claim 1, is characterized in that: described heat conduction glue-line (2) thickness is 2 μm ~ 30 μm.
5. a kind of Graphene heat dissipation film according to claim 1, is characterized in that: the thickness of described polyester film substrate layer (5) is 25 μm ~ 100 μm.
6. a kind of Graphene heat dissipation film according to claim 1, is characterized in that: the coating that described barrier coat (4) is quarternary ammonium salt.
7. a kind of Graphene heat dissipation film according to claim 1, is characterized in that: the coating of the coating agent NR-121X-18 that described barrier coat (4) is produced for Japanese COLCOAT Co., Ltd..
8. a kind of Graphene heat dissipation film according to claim 1, is characterized in that: the thickness of described barrier coat (4) is 5 μm ~ 30 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520208578.6U CN204498543U (en) | 2015-04-09 | 2015-04-09 | A kind of Graphene heat dissipation film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520208578.6U CN204498543U (en) | 2015-04-09 | 2015-04-09 | A kind of Graphene heat dissipation film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204498543U true CN204498543U (en) | 2015-07-22 |
Family
ID=53577809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520208578.6U Expired - Fee Related CN204498543U (en) | 2015-04-09 | 2015-04-09 | A kind of Graphene heat dissipation film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204498543U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384730A (en) * | 2016-12-06 | 2017-02-08 | 江苏悦达新材料科技有限公司 | High heat conduction metal foil layer/graphene metal mixed layer composite heat radiation film |
| CN107645892A (en) * | 2017-10-12 | 2018-01-30 | 南京旭羽睿材料科技有限公司 | A kind of mobile phone radiating film based on graphene |
-
2015
- 2015-04-09 CN CN201520208578.6U patent/CN204498543U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384730A (en) * | 2016-12-06 | 2017-02-08 | 江苏悦达新材料科技有限公司 | High heat conduction metal foil layer/graphene metal mixed layer composite heat radiation film |
| CN107645892A (en) * | 2017-10-12 | 2018-01-30 | 南京旭羽睿材料科技有限公司 | A kind of mobile phone radiating film based on graphene |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213149 No. 20, Changyang Road, West Taihu science and Technology Industrial Park, Wujin District, Changzhou City, Jiangsu Province Patentee after: Xinlun electronic materials (Changzhou) Co.,Ltd. Address before: 213149 Changzhou City, Jiangsu Province No. 20 Changyang Road, West Taihu science and Technology Industrial Park, Wujin District, Changzhou City, Jiangsu Province Patentee before: Xinlun Technology (Changzhou) Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 |