CN103781329A - Graphite aluminum foil heat-conducting material - Google Patents
Graphite aluminum foil heat-conducting material Download PDFInfo
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- CN103781329A CN103781329A CN201210414681.7A CN201210414681A CN103781329A CN 103781329 A CN103781329 A CN 103781329A CN 201210414681 A CN201210414681 A CN 201210414681A CN 103781329 A CN103781329 A CN 103781329A
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Abstract
The invention discloses a graphite aluminum foil heat-conducting material which is successively composed of a black matt base material layer, a graphite base material layer, an aluminum foil base material layer, and a PET release film. One surface of the black matt base material layer is bonded with one surface of the graphite base material layer by using an adhesive material layer. The other surface of the graphite base material layer is bonded with one surface of the aluminum foil base material layer by using an adhesive material layer. The other surface of the aluminum foil base material layer is bonded with one surface of the PET release film by using an insulating adhesive layer. The black matt base material layer, the graphite base material layer, the aluminum foil base material layer, and the PET release film are successively and mutually bonded together to form the graphite aluminum foil composite diaphragm material. According to characteristics of the black matt base material layer, the graphite base material layer, the aluminum foil base material layer, and the PET release film and effects obtained in a plurality of experiments, the graphite aluminum foil heat-conducting material has the advantages of light weight, a good heat-dissipating effect, and excellent performance such as high and low temperature resistance, corrosion resistance, non-ageing performance, self-lubricating performance, compressibility, rebound resilience and sealing performance.
Description
Technical field
The present invention relates to Heat Conduction Material field, be specifically related to a kind of graphite aluminium foil Heat Conduction Material.
Background technology
In recent years, along with the acceleration of the universal and upgrading gradually of electronic product, high integrated and high-performance electric subset growing, work package volume size is more and more less, and speed and the efficiency of work are more and more higher, and caloric value is also increasing.At present, known metal species heat conduction and heat radiation assembly has been subjected to the restriction of its material and self heat conduction and heat radiation limit, must adopt the heat conduction and heat radiation material of advanced heat conduction and heat radiation technique and excellent performance to be defined as away heat, to guarantee effective work of its electronic product, graphite heat conducting heat sink material, because of its distinctive low-density and high heat conduction and heat radiation coefficient and low thermal resistance, become the preferred material of hyundai electronics series products solution heat conduction and heat radiation technology.But due to each layer component thickness of graphite heat conducting heat sink material, cohere and arrange and require very harshly, often there will be fin heavier, radiating effect is not good enough, the problems such as inconvenience are installed in operation.
Therefore, how better solving the heat dissipation problem of hyundai electronics series products, develop the heat sink material of the effective electronic product of a kind of heat conduction and heat radiation, is person skilled technical problem urgently to be resolved hurrily.
Summary of the invention
For solving the problems of the technologies described above, we have proposed a kind of graphite aluminium foil Heat Conduction Material, lighter to reach material, good heat dissipation effect, and there is the excellent sealing performances such as high-low temperature resistant, corrosion-resistant, not aging, self-lubricating, compressibility, resilience.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of graphite aluminium foil Heat Conduction Material, is made up of black matt substrate layer, graphite substrate layer, aluminium foil substrate layer and PET release film successively; Described black matt substrate layer one surface is cohered by viscose material layer with described graphite substrate layer one surface, another surface of described graphite substrate layer also cohered by viscose material layer with described aluminium foil substrate layer one surface, and another surface of described aluminium foil substrate layer is cohered by the mucigel that insulate with described PET release film surface.
Preferably, described viscose material layer is acrylic glue-line.
Preferably, described insulating sticky glue-line is acrylic insulation glue-line.
Preferably, described black matt substrate layer thickness is 0.005mm.
Preferably, described acrylic bondline thickness is 0.005mm.
Preferably, described graphite substrate layer thickness is 0.03-0.35mm.
Preferably, described aluminium foil substrate layer thickness is 0.007-0.05mm.
Preferably, described acrylic insulating cement layer thickness is 0.005-0.01mm.
Preferably, described PET release film thickness is 0.025-0.05mm.
By technique scheme, the present invention is by mutually cohering moulding by black matt substrate layer, graphite substrate layer, aluminium foil substrate layer and PET release film successively by laminating graphite aluminium foil diaphragm material; According to the characteristic of described black matt substrate layer, graphite substrate layer, aluminium foil substrate layer and PET release film, and the effect producing in conjunction with test of many times, reach material lighter, good heat dissipation effect, and there is the excellent sealing performances such as high-low temperature resistant, corrosion-resistant, not aging, self-lubricating, compressibility, resilience.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is that the disclosed a kind of graphite aluminium foil Heat Conduction Material of the embodiment of the present invention forms generalized section.
Numeral and the represented corresponding component title of letter in figure:
1. black matt substrate layer 2. graphite substrate layer 3. aluminium foil substrate layer
4.PET release film 5. acrylic glue-line 6. acrylic insulation glue-lines
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The invention provides a kind of graphite aluminium foil Heat Conduction Material, its structural principle is that laminating graphite aluminium foil diaphragm material is cohered to moulding mutually by black matt substrate layer, graphite substrate layer, aluminium foil substrate layer and PET release film successively, lighter to reach material, the object of good heat dissipation effect.
Below in conjunction with embodiment and embodiment, the present invention is further detailed explanation.
Embodiment.
As shown in Figure 1, a kind of graphite aluminium foil Heat Conduction Material, is made up of black matt substrate layer 1, graphite substrate layer 2, aluminium foil substrate layer 3 and PET release film 4 successively; Described black matt substrate layer 1 one surfaces are cohered by acrylic glue-line 5 with described graphite substrate layer 2 one surface, described graphite substrate layer 2 another surface are also cohered by acrylic glue-line 5 with described aluminium foil substrate layer 3 one surfaces, and described aluminium foil substrate layer 3 another surfaces are cohered by acrylic insulation glue-line 6 with described PET release film 4 surfaces.
Wherein, described black matt substrate layer 1 thickness is 0.005mm; Described acrylic glue-line 5 thickness are 0.005mm; Described graphite substrate layer 2 thickness are 0.03mm; Described aluminium foil substrate layer 3 thickness are 0.007mm; Described acrylic insulation glue-line 6 thickness are 0.008mm; Described PET release film 4 thickness are 0.05mm.
In addition, described graphite substrate layer 2 can be also other thickness between 0.03-0.35mm; Described acrylic insulation glue-line 5 can be also other thickness between 0.008-0.01mm; Described PET release film is can be also other thickness between 0.025-0.05mm.To not do special restriction at this, these equally all belong to protection scope of the present invention.
Graphite substrate layer of the present invention is a kind of brand-new heat conduction and heat radiation material, there is unique grain orientation, along both direction uniform heat conduction, laminar structuredly can adapt to well any surface, when shielding thermal source and assembly, improve the performance of consumer electronics product.When product Homogeneouslly-radiating, also aspect thickness, provide heat isolation.In conductive graphite substrate plane, having the super-high heat-conductive performance within the scope of 150-1500W/m-K, is because the chemical composition of heat conductivity graphite material is mainly single carbon (C) element, is a kind of native element metal mineral.Thin macromolecular compound can be by graphitization film under chemical method HTHP, because carbon is nonmetalloid, but there is conduction, the heat conductivility of metal material, also there is the plasticity as the organic plastics, and also have special hot property, chemical stability, lubricate and can be coated in some good processing performances such as the surface of solids, therefore, the laminating diaphragm material of graphite aluminium foil in this case is all widely used in many fields such as electronics, communication, illumination, aviation and defence and militaries.
By technique scheme, the present invention is by mutually cohering moulding by black matt substrate layer 1, graphite substrate layer 2, aluminium foil substrate layer 3 and PET release film 4 successively by laminating graphite aluminium foil diaphragm material; According to the characteristic of described black matt substrate layer 1, graphite substrate layer 2, aluminium foil substrate layer 3 and PET release film 4, and the effect producing in conjunction with test of many times, reach material lighter, good heat dissipation effect, and there is the excellent sealing performances such as high-low temperature resistant, corrosion-resistant, not aging, self-lubricating, compressibility, resilience.
Above-described is only a kind of graphite aluminium foil Heat Conduction Material preferred implementation of the present invention; it should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention; can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (9)
1. a graphite aluminium foil Heat Conduction Material, is characterized in that, is made up of successively black matt substrate layer, graphite substrate layer, aluminium foil substrate layer and PET release film; Described black matt substrate layer one surface is cohered by viscose material layer with described graphite substrate layer one surface, another surface of described graphite substrate layer also cohered by viscose material layer with described aluminium foil substrate layer one surface, and another surface of described aluminium foil substrate layer is cohered by the mucigel that insulate with described PET release film surface.
2. a kind of graphite aluminium foil Heat Conduction Material according to claim 1, is characterized in that, described viscose material layer is acrylic glue-line.
3. a kind of graphite aluminium foil Heat Conduction Material according to claim 1, is characterized in that, described insulating sticky glue-line is acrylic insulation glue-line.
4. a kind of graphite aluminium foil Heat Conduction Material according to claim 1, is characterized in that, described black matt substrate layer thickness is 0.005-0.05mm.
5. a kind of graphite aluminium foil Heat Conduction Material according to claim 2, is characterized in that, described acrylic bondline thickness is 0.005mm.
6. according to a kind of graphite aluminium foil Heat Conduction Material described in claim 1-5 any one, it is characterized in that, described graphite substrate layer thickness is 0.03-0.35mm.
7. a kind of graphite aluminium foil Heat Conduction Material according to claim 6, is characterized in that, described aluminium foil substrate layer thickness is 0.007-0.05mm.
8. a kind of graphite aluminium foil Heat Conduction Material according to claim 3, is characterized in that, described acrylic insulating cement layer thickness is 0.005-0.01mm.
9. a kind of graphite aluminium foil Heat Conduction Material according to claim 6, is characterized in that, described PET release film thickness is 0.025-0.05mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210414681.7A CN103781329A (en) | 2012-10-26 | 2012-10-26 | Graphite aluminum foil heat-conducting material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210414681.7A CN103781329A (en) | 2012-10-26 | 2012-10-26 | Graphite aluminum foil heat-conducting material |
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| Publication Number | Publication Date |
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| CN103781329A true CN103781329A (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210414681.7A Pending CN103781329A (en) | 2012-10-26 | 2012-10-26 | Graphite aluminum foil heat-conducting material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106245462A (en) * | 2016-07-27 | 2016-12-21 | 安徽益百利环保科技有限公司 | Can be from the paper cup material of melt into tea |
| CN107041100A (en) * | 2015-11-02 | 2017-08-11 | Abb技术有限公司 | Power electronics component |
| CN107458062A (en) * | 2017-08-22 | 2017-12-12 | 江苏泛亚微透科技股份有限公司 | Carbon thermally conductive sheet and expanded PTFE heat insulating coat film and preparation method thereof |
| CN110643295A (en) * | 2019-11-12 | 2020-01-03 | 苏州佳值电子工业有限公司 | A highly reflective heat dissipation shielding film |
| CN111483189A (en) * | 2020-04-20 | 2020-08-04 | 谭清 | Manufacturing process of heat dissipation graphite copper foil |
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| US20070003721A1 (en) * | 2005-06-30 | 2007-01-04 | Polymatech Co., Ltd. | Heat-radiating sheet and heat-radiating structure |
| CN201352082Y (en) * | 2008-12-02 | 2009-11-25 | 王晓山 | Composite graphite heat conducting and radiating sheet |
| CN202322703U (en) * | 2011-11-07 | 2012-07-11 | 吴志高 | Adhesive tape with heat conduction performance |
| CN102602076A (en) * | 2012-03-01 | 2012-07-25 | 昆山市中迪新材料技术有限公司 | Heat conductive insulation sheet and structural adhesive |
-
2012
- 2012-10-26 CN CN201210414681.7A patent/CN103781329A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070003721A1 (en) * | 2005-06-30 | 2007-01-04 | Polymatech Co., Ltd. | Heat-radiating sheet and heat-radiating structure |
| CN201352082Y (en) * | 2008-12-02 | 2009-11-25 | 王晓山 | Composite graphite heat conducting and radiating sheet |
| CN202322703U (en) * | 2011-11-07 | 2012-07-11 | 吴志高 | Adhesive tape with heat conduction performance |
| CN102602076A (en) * | 2012-03-01 | 2012-07-25 | 昆山市中迪新材料技术有限公司 | Heat conductive insulation sheet and structural adhesive |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107041100A (en) * | 2015-11-02 | 2017-08-11 | Abb技术有限公司 | Power electronics component |
| CN106245462A (en) * | 2016-07-27 | 2016-12-21 | 安徽益百利环保科技有限公司 | Can be from the paper cup material of melt into tea |
| CN107458062A (en) * | 2017-08-22 | 2017-12-12 | 江苏泛亚微透科技股份有限公司 | Carbon thermally conductive sheet and expanded PTFE heat insulating coat film and preparation method thereof |
| CN110643295A (en) * | 2019-11-12 | 2020-01-03 | 苏州佳值电子工业有限公司 | A highly reflective heat dissipation shielding film |
| CN111483189A (en) * | 2020-04-20 | 2020-08-04 | 谭清 | Manufacturing process of heat dissipation graphite copper foil |
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Effective date of registration: 20151126 Address after: 215313, No. 368, Wan An Road, Zhou Town, Kunshan, Jiangsu, Suzhou Applicant after: KUNSHAN QIHUA PRINTING TECHNOLOGY Co.,Ltd. Address before: Canglang District of Suzhou City, Jiangsu province 215000 Donghuan Road No. 657 (winner) B building 609 room Applicant before: Shi Guangzhou |
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Application publication date: 20140507 |