CN103172857A - Preparation method and use of high-conductivity composite material - Google Patents
Preparation method and use of high-conductivity composite material Download PDFInfo
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- CN103172857A CN103172857A CN2013101239354A CN201310123935A CN103172857A CN 103172857 A CN103172857 A CN 103172857A CN 2013101239354 A CN2013101239354 A CN 2013101239354A CN 201310123935 A CN201310123935 A CN 201310123935A CN 103172857 A CN103172857 A CN 103172857A
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Abstract
The invention discloses a preparation method of a high-conductivity composite material. The method comprises the following steps of (1) adding graphite particles to aniline salt solution to fully agitate; (2) feeding chlorine dioxide to react after evenly agitating; (3) adding sodium bicarbonate, sodium carbonate or sodium hydroxide to adjust PH after the reaction is finished; and (4) washing, filtering, and drying to obtain polyaniline composite material microparticles; and applying the high-conductivity composite polyaniline material to an LED (light-emitting diode) lamp radiating plate. The high-conductivity composite material disclosed by the invention is simple in preparation method, simple in preparation technology and convenient to operate; the composite material disclosed by the invention is applied to the radiating aspect of the LED lamp, and has a good radiating effect, resistance to acid-base corrosion, and resistance to high temperature decomposition at the same time; and the service life of the LED lamp is prolonged.
Description
Technical field
The present invention relates to preparation technology of a kind of high-heat-conductive composite material and uses thereof.
Background technology
Thermally conductive material is used very extensive, special application facet at high-powered LED lamp.The hot Quick diffusing that scatterer can send the LED lamp is gone out, and reduces the temperature of LED lamp, thereby extends the life-span of LED lamp.Yet at present the heat sink material of LED lamp is generally the metallic aluminium compacting and forms, expose to the sun and rain out of doors and the effect of airborne etchant gas such as sulfurous gas and oxynitride under can be corroded, affect its heat-conducting effect, thereby can shorten the work-ing life of LED lamp.
Summary of the invention
Main purpose of the present invention is, overcome the defective that existing thermally conductive material preparation method exists, and provide a kind of novel high-heat-conductive composite material Preparation method and use, be applied to the heat radiation of LED lamp, reach etch-proof effect, extend the work-ing life of LED lamp, thereby more be suitable for practicality, and have the utility value on industry.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of high heat conduction composite polyphenylene amine material preparation method that the present invention proposes, the method comprises the steps,
(1) the graphite microparticle is added to fully stirring in aniline salt solution;
(2) stir after, drop into dioxide peroxide and react;
(3) after reaction is completed, add sodium bicarbonate, sodium carbonate or sodium hydroxide and regulate PH;
(4) washing, filtration, drying obtain the polyaniline composite material microparticle.
In aforesaid high heat conduction composite polyphenylene amine material preparation method, described step (1), graphite microparticle particle diameter is less than 100nm.
Aforesaid high heat conduction composite polyphenylene amine material preparation method, the aniline salt solution in described step (1) is anilinechloride solution or aniline sulfate liquor.
Aforesaid high heat conduction composite polyphenylene amine material preparation method, described anilinechloride solution or aniline sulfate liquor concentration are 5% ~ 10%.
In aforesaid high heat conduction composite polyphenylene amine material preparation method, described step (1), graphite microparticle and aniline salt solution mol ratio are 5 ~ 8:1.
Aforesaid high heat conduction composite polyphenylene amine material preparation method, the dioxide peroxide in described step (2) and the mol ratio of aniline salt are 0.8 ~ 1.2:1.
Aforesaid high heat conduction composite polyphenylene amine material is applied to LED lamp radiator element.
By technique scheme, high-heat-conductive composite material Preparation method and use of the present invention has following advantages at least:
High-heat-conductive composite material preparation method of the present invention, preparation technology is simple, and is easy to operate, matrix material of the present invention is applied to the heat radiation aspect of LED lamp, good heat dissipation effect, acid-alkali-corrosive-resisting simultaneously, high temperature resistant decomposition has extended work-ing life of LED lamp.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, for can clearer understanding technique means of the present invention, and can be implemented according to the content of specification sheets, below is described in detail as follows with preferred embodiment of the present invention.
Embodiment
Reach for further setting forth the present invention technique means and the effect that predetermined goal of the invention is taked, its embodiment of high-heat-conductive composite material Preparation method and use, feature and effect thereof to foundation the present invention proposes are described in detail as follows.
Embodiment 1
At first high heat conduction polyaniline composite material of the present invention, its preparation process are the graphite microparticle less than 100nm to be added in 5% anilinechloride solution fully stir, and the mol ratio of graphite microparticle and aniline salt is 5:1; After stirring, add chlorine dioxide with high purity, the mol ratio of dioxide peroxide and aniline salt is 0.8:1; After reaction is completed, add appropriate sodium bicarbonate the pH value of reaction solution is adjusted to 7; Then filtration washing is dry, obtains the microparticle polyaniline composite material less than 120nm.
Embodiment 2
At first high heat conduction polyaniline composite material of the present invention, its preparation process are the graphite microparticle less than 100nm to be added in 8% aniline sulfate liquor fully stir, and the mol ratio of graphite microparticle and aniline salt is 7:1; After stirring, add chlorine dioxide with high purity, the mol ratio of dioxide peroxide and aniline salt is 1.2:1; After reaction is completed, add appropriate sodium carbonate the pH value of reaction solution is adjusted to 7; Then filtration washing is dry, obtains the microparticle polyaniline composite material less than 120nm.
The high heat conduction polyaniline composite material microparticle of the present invention's preparation is pressed into radiator element, and thermal conductivity reaches 110W/m.k, considerably beyond the thermal conductivity of graphite; Its corrosion resistance nature is strong, with acid and alkaline matter Fails To Respond, simultaneously can be high temperature resistant, and its heat decomposition temperature is 486 ℃.
The technological innovation of the high-heat-conductive composite material Preparation method and use of the present invention that above-mentioned structure like this consists of all has many saving graces for technician of the same trade now, and the progressive that really possesses skills.
the above, it is only preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet be not to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (7)
1. one kind high heat conduction composite polyphenylene amine material preparation method is characterized in that: the method comprises the steps,
The graphite microparticle is added in aniline salt solution fully stir;
After stirring, drop into dioxide peroxide and react;
After reaction is completed, add sodium bicarbonate, sodium carbonate or sodium hydroxide and regulate PH;
Washing, filtration, drying obtain the polyaniline composite material microparticle.
2. high heat conduction composite polyphenylene amine material preparation method according to claim 1 is characterized in that: in described step (1), graphite microparticle particle diameter is less than 100nm.
3. high heat conduction composite polyphenylene amine material preparation method according to claim 1, it is characterized in that: the aniline salt solution in described step (1) is anilinechloride solution or aniline sulfate liquor.
4. high heat conduction composite polyphenylene amine material preparation method according to claim 3, it is characterized in that: described anilinechloride solution or aniline sulfate liquor concentration are 5% ~ 10%.
5. high heat conduction composite polyphenylene amine material preparation method according to claim 1 is characterized in that: in described step (1), graphite microparticle and aniline salt solution mol ratio are 5 ~ 8:1.
6. high heat conduction composite polyphenylene amine material preparation method according to claim 1, it is characterized in that: the dioxide peroxide in described step (2) and the mol ratio of aniline salt are 0.8 ~ 1.2:1.
7. high heat conduction composite polyphenylene amine material claimed in claim 1 is applied to LED lamp radiator element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013101239354A CN103172857A (en) | 2013-04-11 | 2013-04-11 | Preparation method and use of high-conductivity composite material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101239354A CN103172857A (en) | 2013-04-11 | 2013-04-11 | Preparation method and use of high-conductivity composite material |
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| CN103172857A true CN103172857A (en) | 2013-06-26 |
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| CN2013101239354A Pending CN103172857A (en) | 2013-04-11 | 2013-04-11 | Preparation method and use of high-conductivity composite material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104152752A (en) * | 2014-07-07 | 2014-11-19 | 马鞍山市万鑫铸造有限公司 | Aluminum-based low-expansion and efficient composite heat radiating material for LED (Light-Emitting Diode) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1803927A (en) * | 2005-12-18 | 2006-07-19 | 西北师范大学 | Method for preparing polymer/graphite nanometer composite material by utilizing ultrasonic dispersion technology |
| CN101250325A (en) * | 2008-03-21 | 2008-08-27 | 西北师范大学 | Nano graphite flake/polyaniline composite club-shaped material and method for preparing same |
| CN101418107A (en) * | 2007-10-22 | 2009-04-29 | 东丽纤维研究所（中国）有限公司 | Nano graphite high conductivity composite material and preparation method |
-
2013
- 2013-04-11 CN CN2013101239354A patent/CN103172857A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1803927A (en) * | 2005-12-18 | 2006-07-19 | 西北师范大学 | Method for preparing polymer/graphite nanometer composite material by utilizing ultrasonic dispersion technology |
| CN101418107A (en) * | 2007-10-22 | 2009-04-29 | 东丽纤维研究所（中国）有限公司 | Nano graphite high conductivity composite material and preparation method |
| CN101250325A (en) * | 2008-03-21 | 2008-08-27 | 西北师范大学 | Nano graphite flake/polyaniline composite club-shaped material and method for preparing same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104152752A (en) * | 2014-07-07 | 2014-11-19 | 马鞍山市万鑫铸造有限公司 | Aluminum-based low-expansion and efficient composite heat radiating material for LED (Light-Emitting Diode) |
| CN104152752B (en) * | 2014-07-07 | 2016-05-25 | 马鞍山市万鑫铸造有限公司 | A kind of efficient aluminium base composite heat dissipation material of low bulk for LED |
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