CN103964416A - Graphite material and production method thereof - Google Patents
Graphite material and production method thereof Download PDFInfo
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- CN103964416A CN103964416A CN201310033787.7A CN201310033787A CN103964416A CN 103964416 A CN103964416 A CN 103964416A CN 201310033787 A CN201310033787 A CN 201310033787A CN 103964416 A CN103964416 A CN 103964416A
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- graphite
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- graphite material
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Abstract
The present invention discloses a graphite material and a production method thereof, and relates to the field of heat conduction and electric conduction. The method comprises: placing expandable graphite powder in a high temperature furnace to expand; placing the expanded graphite powder into a material pressing machine to press into graphite flakes; and placing the flakes into heat conduction test equipment to test to obtain the heat conductivity. According to the present invention, the graphite material production method comprises: placing expandable graphite powder in a high temperature furnace to expand, placing the expanded graphite powder into a material pressing machine to press into graphite flakes, and placing the flakes into heat conduction test equipment to test to obtain the heat conductivity, wherein the tested heat conductivity is up to 150-1500 W so as to meet increasingly severe heating requirements of the current electronic products.
Description
Technical field
The present invention relates to heat-conductivity conducting field, relate in particular to a kind of graphite material and manufacture method thereof.
Background technology
Along with electronic product requires function more and more, thickness is more and more thinner, electronic product heating problem requires also more and more higher, become the problem that electronic product emphasis need to solve, and traditional heat-conducting silicone grease, heat-conducting silica gel sheet, aluminium section bar radiator element etc. are because thermal conductivity can not meet the electronic product radiating requirement of development increasingly.
There is above-mentioned deficiency in the problem of generating heat in view of current electronic product, a kind of graphite material of heat-conductivity conducting need to be provided, and can meet the heating requirement that present electronic product is on the rise.
Summary of the invention
The manufacture method that the object of this invention is to provide a kind of graphite material, can meet the manufacture method that heating that present electronic product is on the rise requires.For achieving the above object, embodiments of the invention adopt following technical scheme:
A manufacture method for graphite material, the method step comprises:
Can expanded graphite powder be placed in High Temperature Furnaces Heating Apparatus, carry out expanded; Expanded good Graphite Powder 99 is put into swager pressing and become graphite flake;
Thin slice is put into thermal conductivity test testing equipment, record thermal conductivity.
According to one aspect of the present invention, described can expanded graphite powder be 10 orders, and the expanded time is 3-5 second, and the temperature in High Temperature Furnaces Heating Apparatus is 1100 degree, and after pressing, the thickness of thin slice is 10MM-0.03MM.
According to one aspect of the present invention, described puffing process can expanded graphite powder be 20 orders, the expanded time is 3-5 second, temperature is 1000 degree in High Temperature Furnaces Heating Apparatus, after pressing, the thickness of thin slice is 10MM-0.03MM.
According to one aspect of the present invention, described puffing process can expanded graphite powder be 30 orders, the expanded time is 5-10 second, the temperature in High Temperature Furnaces Heating Apparatus is 1300 degree, after pressing, the thickness of thin slice is 10MM-0.03MM.
According to one aspect of the present invention, by the good surface label one deck PET adhesive tape of graphite flake of described pressing or the good surface of graphite flake of described pressing is applied glue, when at the good graphite flake cementing of described pressing, need again the graphite flake that coats glue be sent into roaster and toast.
According to one aspect of the present invention, the graphite flake that posts PET adhesive tape is put under swager to another surface by polyester film or PI film laminating to graphite flake.
According to one aspect of the present invention, storing temperature is 80 degree, and the time is 3-5 minute.
According to one aspect of the present invention, baked graphite flake is put under swager to another surface by polyester film or PI film laminating to graphite flake.
According to one aspect of the present invention, a kind of graphite material, also comprises glue and/or PET adhesive tape, and described glue is coated in the surface of graphite material, and described PET adhesive tape gluing is on the surface of graphite material.
According to one aspect of the present invention, a kind of graphite material, also comprises polyester film and/or PI film, and polyester film and/or PI film laminating are on the surface of graphite material.
The manufacture method of a kind of graphite material that the embodiment of the present invention provides, by can expanded graphite powder be placed in High Temperature Furnaces Heating Apparatus, carry out expanded; Expanded good Graphite Powder 99 is put into swager pressing and become graphite flake; Thin slice is put into thermal conductivity test testing equipment, record thermal conductivity, record thermal conductivity up to 150-1500W, can meet the heating requirement that current electronic product is on the rise.
Embodiment
Below in conjunction with embodiment, invention is elaborated, described embodiment is only an embodiment of the present invention, rather than whole embodiment.Embodiment based 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.
Embodiment mono-
A manufacture method for graphite material, the method step comprises:
Can expanded graphite powder be placed in High Temperature Furnaces Heating Apparatus, carry out expanded.
Expanded good Graphite Powder 99 is put into swager pressing and become graphite flake.
Thin slice is put into thermal conductivity test testing equipment, record thermal conductivity.
Embodiment bis-
A manufacture method for graphite material, the method step comprises:
10 objects can expanded graphite powder be placed on and in High Temperature Furnaces Heating Apparatus, carry out expandedly, and the expanded time is 3-5 second, and the temperature in High Temperature Furnaces Heating Apparatus is 1100 degree.
Expanded good Graphite Powder 99 is put into swager pressing becomes graphite flake, and the thickness of graphite flake is 10MM-0.03MM.
Graphite flake is put into thermal conductivity test equipment and test, record graphite flake thermal conductivity for (longitudinally) 1500W/mk.
In actual application, one deck PET adhesive tape can also be pasted in surface of graphite flake that described pressing is good.
Embodiment tri-
A manufacture method for graphite material, the method step comprises:
20 objects can expanded graphite powder be placed on and in High Temperature Furnaces Heating Apparatus, carry out expandedly, and the expanded time is 3-5 second, and the temperature in High Temperature Furnaces Heating Apparatus is 1000 degree.
Expanded good Graphite Powder 99 is put into swager pressing becomes graphite flake, and the thickness of graphite flake is 10MM-0.03MM.
Surface at graphite flake applies glue.
The graphite flake that coats glue is put into roaster and toast, storing temperature is 80 degrees Celsius, and baking time is 3-5 minute.
Baked graphite flake is put into thermal conductivity test equipment and test, record graphite flake thermal conductivity for (longitudinally) 1300W/mk.
In actual application, also can be by surface label one deck PET adhesive tape of baked graphite flake.
Embodiment tetra-
A manufacture method for graphite material, the method step comprises:
30 objects can expanded graphite powder be placed on and in High Temperature Furnaces Heating Apparatus, carry out expandedly, and the expanded time is 5-10 second, and the temperature in High Temperature Furnaces Heating Apparatus is 1300 degree.
Expanded good Graphite Powder 99 is put into swager pressing becomes graphite flake, and the thickness of graphite flake is 10MM-0.03MM.
Graphite flake is put into roaster and toast, storing temperature is 80 degrees Celsius, and baking time is 3-5 minute.
Graphite flake after baking is put in swager, polyester film is pressed to graphite sheet surface.
The good graphite flake of pressing is put into thermal conductivity test equipment and test, record graphite flake thermal conductivity for (laterally) 150W/mk.
In actual application, also can be by surface label one deck PET adhesive tape of baked graphite flake.
In actual applications, the graphite flake that posts PET adhesive tape can also be put under swager to another surface by PI film laminating to graphite flake.
In actual applications, the graphite flake of the good polyester film of pressing can also be put under swager to another surface by PI film laminating to graphite flake.
A graphite material, comprises glue and PET adhesive tape, and described glue is coated in the surface of graphite material, and described PET adhesive tape gluing is on the surface of graphite material; Wherein graphite material also can only comprise any glue in glue and PET adhesive tape.
A graphite material, also comprises polyester film and PI film, and polyester film and PI film laminating are on the surface of graphite material; Wherein graphite material also can only comprise any film in polyester film and PI film.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, the technician of any skilled is in technical scope disclosed by the invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. a manufacture method for graphite material, the method step comprises:
Can expanded graphite powder be placed in High Temperature Furnaces Heating Apparatus, carry out expanded;
Expanded good Graphite Powder 99 is put into swager pressing and become graphite flake;
Thin slice is put into thermal conductivity test testing equipment, record thermal conductivity.
2. according to the manufacture method of graphite material claimed in claim 1, it is characterized in that, described can expanded graphite powder be 10 orders, and the expanded time is 3-5 second, and the temperature in High Temperature Furnaces Heating Apparatus is 1100 degree, and after pressing, the thickness of thin slice is 10MM-0.03MM.
3. according to the manufacture method of graphite material claimed in claim 1, it is characterized in that, described puffing process can expanded graphite powder be 20 orders, the expanded time is 3-5 second, temperature is 1000 degree in High Temperature Furnaces Heating Apparatus, after pressing, the thickness of thin slice is 10MM-0.03MM.
4. according to the manufacture method of graphite material claimed in claim 1, it is characterized in that, described puffing process can expanded graphite powder be 30 orders, the expanded time is 5-10 second, the temperature in High Temperature Furnaces Heating Apparatus is 1300 degree, after pressing, the thickness of thin slice is 10MM-0.03MM.
5. according to the manufacture method of the graphite material described in any one in claim 2-4, it is characterized in that, by the good surface label one deck PET adhesive tape of graphite flake of described pressing or the good surface of graphite flake of described pressing is applied glue, when at the good graphite flake cementing of described pressing, need again the graphite flake that coats glue be sent into roaster and toast.
6. according to the manufacture method of graphite material claimed in claim 5, it is characterized in that, the graphite flake that posts PET adhesive tape is put under swager, another surface by polyester film or PI film laminating to graphite flake.
7. according to the manufacture method of graphite material claimed in claim 5, it is characterized in that, storing temperature is 80 degree, and the time is 3-5 minute.
8. according to the manufacture method of graphite material claimed in claim 7, it is characterized in that, baked graphite flake is put under swager, another surface by polyester film or PI film laminating to graphite flake.
9. a graphite material, is characterized in that, also comprises glue and/or PET adhesive tape, and described glue is coated in the surface of graphite material, and described PET adhesive tape gluing is on the surface of graphite material.
10. according to graphite material claimed in claim 9, it is characterized in that, also comprise polyester film and/or PI film, polyester film and/or PI film laminating are on the surface of graphite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310033787.7A CN103964416A (en) | 2013-01-29 | 2013-01-29 | Graphite material and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310033787.7A CN103964416A (en) | 2013-01-29 | 2013-01-29 | Graphite material and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103964416A true CN103964416A (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310033787.7A Pending CN103964416A (en) | 2013-01-29 | 2013-01-29 | Graphite material and production method thereof |
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| CN (1) | CN103964416A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943223A (en) * | 2015-06-17 | 2015-09-30 | 天津大学 | Graphite sheet with high heat conductivity coefficients along plane and thickness directions at the same time and preparation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101407322A (en) * | 2008-10-21 | 2009-04-15 | 王晓山 | Method of preparing graphite heat conducting and heat radiating fin having anisotropy |
| CN201352082Y (en) * | 2008-12-02 | 2009-11-25 | 王晓山 | Composite graphite heat conducting and radiating sheet |
| CN101712217A (en) * | 2009-05-12 | 2010-05-26 | 大连丽昌新材料有限公司 | Thermally-conductive graphite interface material and production process thereof |
| CN102334868A (en) * | 2011-10-18 | 2012-02-01 | 中科恒达石墨股份有限公司 | Graphite heat conductor-based electric blanket |
-
2013
- 2013-01-29 CN CN201310033787.7A patent/CN103964416A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101407322A (en) * | 2008-10-21 | 2009-04-15 | 王晓山 | Method of preparing graphite heat conducting and heat radiating fin having anisotropy |
| CN201352082Y (en) * | 2008-12-02 | 2009-11-25 | 王晓山 | Composite graphite heat conducting and radiating sheet |
| CN101712217A (en) * | 2009-05-12 | 2010-05-26 | 大连丽昌新材料有限公司 | Thermally-conductive graphite interface material and production process thereof |
| CN102334868A (en) * | 2011-10-18 | 2012-02-01 | 中科恒达石墨股份有限公司 | Graphite heat conductor-based electric blanket |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943223A (en) * | 2015-06-17 | 2015-09-30 | 天津大学 | Graphite sheet with high heat conductivity coefficients along plane and thickness directions at the same time and preparation method |
| CN104943223B (en) * | 2015-06-17 | 2016-09-07 | 天津大学 | There is graphite flake and the preparation method of high thermal conductivity coefficient along plane and thickness direction simultaneously |
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Application publication date: 20140806 |