CN101353553A - Heat radiation coating and preparation thereof - Google Patents
Heat radiation coating and preparation thereof Download PDFInfo
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- CN101353553A CN101353553A CNA2008101466075A CN200810146607A CN101353553A CN 101353553 A CN101353553 A CN 101353553A CN A2008101466075 A CNA2008101466075 A CN A2008101466075A CN 200810146607 A CN200810146607 A CN 200810146607A CN 101353553 A CN101353553 A CN 101353553A
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Abstract
The invention discloses a thermal coating and a preparation method thereof which includes the following steps of: (a) providing silicone resin and more than one solvents, and carrying out fully mixing to form a first mixed solution; (b) re-adding zinc oxide powder in the first mixed solution and undertaking fully mixing of the mixture; (c) adding silicon carbide powder and aluminum powder in a second mixed solution and undertaking fully mixing of the mixture to form a third mixed solution; (d) adding anti-sedimentation agent and dispersing agent in the third mixed solution and undertaking fully mixing of the new mixture to form the thermal coating, wherein, the weight percentage for each component of the thermal coating is as follows: silicon resin, 20 to 40 percent; solvent, 30 to 50 percent; anti-sedimentation agent, 0.0 to 5.0 percent; zinc oxide, 0.1 to 5.0 percent; silicon carbide, 5 to 40 percent; aluminum powder, 5 to 40 percent powder; and dispersing agent and smoothing agent, 0.0 to 5.0 percent; the thermal coating can be directly coated on a cooling device so as to increase the heat dissipation area and enhance the cooling effect thereof.
Description
Technical field
The present invention relates to a kind of heat radiation coating, especially relate to a kind of outer coating of heat abstractor of coating with the increase radiating effect.
Background technology
The electronic product power that it produced of need worrying during fabrication damages inner electronic package to avoid electronic product to produce too much used heat in use now; And in the Application Areas of heat abstractor now, having preferable radiating effect for making this heat abstractor, the overwhelming majority impels this heat abstractor can have preferable radiating effect all towards selecting for use the material with high thermal conductance to set about.
Yet, in the discussion of radiating effect, the size of this heat abstractor and extraneous contact area is a very important factor, because big more its radiating effect of the area of dissipation of this heat abstractor will be good more, the concave-convex surface but the material surface of general high thermoconductivity is level and smooth, therefore area of dissipation is limited, make its radiating effect also be restricted, so in order to allow this heat abstractor can have preferable radiating effect, often can only change the structure of this heat abstractor, impel this heat abstractor to have higher radiating effect, extremely extraneous with the used heat of discharging electronic package.
But, change this construction for heat radiating device, then also need to change the design of electronic package, therefore very bother, because the space size in need consideration electronic package, still need and consider the other factors of this heat abstractor, impel this heat abstractor can have better radiating effect.
Therefore, As can be under the more diffusing ripe Zhuan Zhi Let Meter De Qing Condition of Change not, the diffusing ripe effect Neng You Xiao of the diffusing ripe device of The must be promoted, Yin the bright San Hot Tu material of Zhu syllabus De Department on what Ti Gong Yi Seed Ke Tu Fabric what looses ripe device of this Hair of Ci, to increase the diffusing ripe effect of the Hot device that looses.
Summary of the invention
The present invention's main purpose is to provide a kind of heat radiation coating on the heat abstractor and preparation method thereof of coating, to increase the radiating effect of heat abstractor.Heat radiation coating of the present invention can make the radiating effect of this heat abstractor can effectively obtain to promote under the situation that does not change the heat abstractor design.
For achieving the above object, heat radiation coating of the present invention includes following composition by weight percentage:
Silicone resin 20 ~ 40%;
Solvent 30 ~ 50%;
Anti-settling agent 0.0 ~ 5.0%;
Zinc oxide 0.1 ~ 5.0%;
Dispersion agent and smooth agent 0.0 ~ 5.0%.
Described solvent is the mixture of any or above-mentioned any two or more materials in butanone, chloroform, methylene dichloride, Glacial acetic acid, benzene,toluene,xylene, 1-Methoxy-2-propyl acetate, n-butyl acetate, the dimethyl ester mixing acid dimethyl ester.
Described dispersion agent is by unsaturated polyester acid amides fat and low molecular acid polyester, polyphosphazene polymer amino acid and alkanamine, polyphosphazene polymer amino acid and polyamine acid amides, long-chain is pressed acid amides and polarity acid ester more, contain the acidic-group polymkeric substance, copolyesters with pigment affinity groups, contain the polymer bank section copolymerization object that close pigment machine is rolled into a ball, contain the acidic-group polymkeric substance, polymer alkyl alcohol amino amides, contain acid pigment affinity groups polymer copolymerization body, acrylic copolymer, the polymeric amide institute composition mixture of unsaturated polyester amino acid.
The mixture of described smooth agent for forming by polysiloxane and organosilicon.
It comprises the steps: the preparation method of heat radiation coating of the present invention
(a) provide silicone resin and more than one solvents, and make this resin and solvent thorough mixing to form first mixing solutions;
(b) add Zinc oxide powder in this first mixing solutions, and thorough mixing is to form second mixing solutions;
(c) add silicon carbide powder and aluminium powder in this second mixing solutions, and thorough mixing is to form the 3rd mixing solutions;
(d) add anti-settling agent and dispersion agent in the 3rd mixing solutions, and thorough mixing is to form heat radiation coating;
Wherein, each becomes the weight percent of branch as follows in this heat radiation coating:
Silicone resin 20 ~ 40%; Solvent 30 ~ 50%; Anti-settling agent 0.0 ~ 5.0%; Zinc oxide 0.1 ~ 5.0%; Silicon carbide 5 ~ 40%; Aluminium powder 5 ~ 40%; Dispersion agent and smooth agent 0.0 ~ 5.0%.
Heat radiation coating of the present invention can be coated on the heat abstractor, impel the surface of this heat abstractor to form irregular male and fomale(M﹠F), to increase the area of dissipation on heat abstractor surface,, avoid to change the trouble of heat abstractor again for promoting radiating effect with its radiating effect of further lifting.
Description of drawings
Fig. 1 is the aluminium flake of uncoated heat radiation coating and the temperature curve that has been coated with the aluminium flake of heat radiation coating.
Embodiment
The preparation method of heat radiation coating of the present invention is as follows:
It with the resin of weight percent 20 ~ 40% and more than one weight percents 30 ~ 50% solvent thorough mixing, the Zinc oxide powder and the thorough mixing that add weight percent 0.1 ~ 5.0% then stir, the aluminium powder and the thorough mixing that then add the silicon carbide powder of weight percent 5 ~ 40% and weight percent 5 ~ 40% are even, add the dispersion agent of the anti-settling agent of weight percent 0.0 ~ 5.0% and weight percent 0.0 ~ 5.0% and thorough mixing at last to form heat radiation coating.
Embodiment one
Dispose solvent earlier, this solvent system is mixed according to 30/30/30/15 ratio mutually by N-BUTYL ACETATE/dimethylbenzene/1-Methoxy-2-propyl acetate/dibasic ester, get the solvent of weight percent 40 and the resin thorough mixing of weight percent 30 afterwards, and then the Zinc oxide powder that adds weight percent 2 is in wherein, and through ultrasound thorough mixing stirring 10 minutes, the aluminium powder and the thorough mixing that then add the silicon carbide powder of weight percent 10 and weight percent 15 are even, add the dispersion agent/smooth agent of the anti-settling agent of weight percent 2 and weight percent 1 and thorough mixing at last to form heat radiation coating.
Testing method:
Prepare the aluminium sheet of two suitable dimensions, wherein an aluminium sheet is a control group, and its surface is not coated with heat radiation coating, and another piece aluminium sheet is an experimental group, its surface coated heat radiation coating of the present invention.
Experimental procedure: respectively control group is connected with photodiode by thermal grease with experimental group, this photodiode is connected with the electric wire and the temperature sense line of 5W power supply respectively, under 28 ℃ temperature, the temperature of test photodiode is to understand its radiating effect then.
Test result: see also shown in Figure 1ly, the rise aluminium sheet of more uncoated heat radiation coating of its temperature of aluminium sheet that is coated with heat radiation coating is slow, and therefore the provable aluminium sheet that this is coated with heat radiation coating has preferable radiating effect.
Embodiment two
Dispose solvent earlier, this solvent system is mixed according to 30/30/30/15 ratio mutually by N-BUTYL ACETATE/dimethylbenzene/1-Methoxy-2-propyl acetate/dibasic ester, get the solvent of weight percent 25 and the resin thorough mixing of weight percent 30 afterwards, and then the Zinc oxide powder that adds weight percent 2 is in wherein, and through ultrasound thorough mixing stirring 10 minutes, the aluminium powder and the thorough mixing that then add the silicon carbide powder of weight percent 25 and weight percent 15 are even, add the dispersion agent/smooth agent of the anti-settling agent of weight percent 2 and weight percent 1 and thorough mixing at last to form heat radiation coating.
Embodiment three
Dispose solvent earlier, this solvent system is mixed according to 30/30/30/15 ratio mutually by N-BUTYL ACETATE/dimethylbenzene/1-Methoxy-2-propyl acetate/dibasic ester, get the solvent of weight percent 40 and the resin thorough mixing of weight percent 50 afterwards, and then the Zinc oxide powder that adds weight percent 2 is in wherein, and through ultrasound thorough mixing stirring 10 minutes, the aluminium powder and the thorough mixing that then add the silicon carbide powder of weight percent 2 and weight percent 3 are even, add the dispersion agent/smooth agent of the anti-settling agent of weight percent 2 and weight percent 1 and thorough mixing at last to form heat radiation coating.
Comprehensive above-mentioned embodiment, can learn that the present invention only needs this coating is coated on the heat abstractor, impel the surface of this heat abstractor to form irregular male and fomale(M﹠F), to increase its area of dissipation, impelling its radiating effect can obtain to promote, serves as to promote radiating effect and the trouble that will change heat abstractor again to avoid.
The above only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, have in the technical field under any and know the knowledgeable usually, if in the scope that does not break away from technical characterictic that the present invention carries, utilizing disclosed technology contents to make local change or modifies equivalent embodiment, and do not break away from technical characterictic content of the present invention, all still belong to the technology of the present invention characteristic range.
Claims (10)
1, a kind of heat radiation coating is characterized in that: it includes following composition by weight percentage:
Silicone resin 20 ~ 40%;
Solvent 30 ~ 50%;
Anti-settling agent 0.0 ~ 5.0%;
Zinc oxide 0.1 ~ 5.0%;
Silicon carbide 5 ~ 40%;
Aluminium powder 5 ~ 40%;
Dispersion agent and smooth agent 0.0 ~ 5.0%.
2, heat radiation coating according to claim 1 is characterized in that: described solvent is the mixture of any or above-mentioned any two or more materials in butanone, chloroform, methylene dichloride, Glacial acetic acid, benzene,toluene,xylene, 1-Methoxy-2-propyl acetate, n-butyl acetate, the dimethyl ester mixing acid dimethyl ester.
3, heat radiation coating according to claim 1 and 2 is characterized in that: described dispersion agent is by unsaturated polyester acid amides fat and low molecular acid polyester, polyphosphazene polymer amino acid and alkanamine, polyphosphazene polymer amino acid and polyamine acid amides, long-chain is pressed acid amides and polarity acid ester more, contain the acidic-group polymkeric substance, copolyesters with pigment affinity groups, contain the polymer bank section copolymerization object that close pigment machine is rolled into a ball, contain the acidic-group polymkeric substance, polymer alkyl alcohol amino amides, contain acid pigment affinity groups polymer copolymerization body, acrylic copolymer, the polymeric amide institute composition mixture of unsaturated polyester amino acid.
4, heat radiation coating according to claim 1 and 2 is characterized in that: the mixture of described smooth agent for being made up of polysiloxane and organosilicon.
5, heat radiation coating according to claim 3 is characterized in that: the mixture of described smooth agent for being made up of polysiloxane and organosilicon.
6, the method for preparing the described heat radiation coating of claim 1 is characterized in that it comprises the steps:
(a) provide silicone resin and more than one solvents, and make this resin and solvent thorough mixing to form first mixing solutions;
(b) add Zinc oxide powder in this first mixing solutions, and thorough mixing is to form second mixing solutions;
(c) add silicon carbide powder and aluminium powder in this second mixing solutions, and thorough mixing is to form the 3rd mixing solutions;
(d) add anti-settling agent and dispersion agent in the 3rd mixing solutions, and thorough mixing is to form heat radiation coating;
Wherein, each becomes the weight percent of branch as follows in this heat radiation coating:
Silicone resin 20 ~ 40%; Solvent 30 ~ 50%; Anti-settling agent 0.0 ~ 5.0%; Zinc oxide 0.1 ~ 5.0%; Silicon carbide 5 ~ 40%; Aluminium powder 5 ~ 40%; Dispersion agent and smooth agent 0.0 ~ 5.0%.
7. the preparation method of heat radiation coating according to claim 6 is characterized in that: described solvent is the mixture of any or above-mentioned any two or more materials in butanone, chloroform, methylene dichloride, Glacial acetic acid, 1-Methoxy-2-propyl acetate, n-butyl acetate, the dimethyl ester mixing acid dimethyl ester.
8, preparation method according to claim 6 or 7 described heat radiation coatings is characterized in that: described dispersion agent is by unsaturated polyester acid amides fat and low molecular acid polyester, polyphosphazene polymer amino acid and alkanamine, polyphosphazene polymer amino acid and polyamine acid amides, long-chain is pressed acid amides and polarity acid ester more, contain the acidic-group polymkeric substance, copolyesters with pigment affinity groups, contain the polymer bank section copolymerization object that close pigment machine is rolled into a ball, contain the acidic-group polymkeric substance, polymer alkyl alcohol amino amides, contain acid pigment affinity groups polymer copolymerization body, acrylic copolymer, the polymeric amide institute composition mixture of unsaturated polyester amino acid.
9, according to the preparation method of claim 6 or 7 described heat radiation coatings, it is characterized in that: the mixture of described smooth agent for forming by polysiloxane and organosilicon.
10, the preparation method of heat radiation coating according to claim 8 is characterized in that: the mixture of described smooth agent for being made up of polysiloxane and organosilicon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101466075A CN101353553A (en) | 2008-09-02 | 2008-09-02 | Heat radiation coating and preparation thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008101466075A CN101353553A (en) | 2008-09-02 | 2008-09-02 | Heat radiation coating and preparation thereof |
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| CN101353553A true CN101353553A (en) | 2009-01-28 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061121A (en) * | 2010-12-06 | 2011-05-18 | 老虎粉末涂料制造（太仓）有限公司 | Environmental-protection anti-corrosive heat-dissipation powder paint, and preparation method and application thereof |
| CN102634245A (en) * | 2012-04-28 | 2012-08-15 | 江苏元京电子科技有限公司 | Ultraviolet light polymerization heat conduction and dissipation coating and preparation method thereof |
| CN103351806A (en) * | 2013-05-30 | 2013-10-16 | 蚌埠市时代电子有限公司 | Organic silicon resin heat dissipating coating and preparation method thereof |
| CN103555094A (en) * | 2013-09-25 | 2014-02-05 | 天长市天泰光电科技有限公司 | Thermocured, heat conductive and heat radiating paint for LED lamp and preparation method thereof |
| CN103589333A (en) * | 2013-10-12 | 2014-02-19 | 安徽自动化仪表有限公司 | Far-infrared ray-launching radiating paint used for meter housing and preparation method thereof |
| CN103756445A (en) * | 2014-01-15 | 2014-04-30 | 芜湖市宝艺游乐科技设备有限公司 | Heat dissipating coating for fibrolite LED lamps |
| CN103773124A (en) * | 2014-01-15 | 2014-05-07 | 芜湖市宝艺游乐科技设备有限公司 | Cooling coating |
| CN103881439A (en) * | 2014-02-14 | 2014-06-25 | 程实 | LED (light-emitting diode) heat dissipation paint with alloy powder and preparation method thereof |
| CN105240723A (en) * | 2014-10-29 | 2016-01-13 | 中山市四维家居照明有限公司 | Floor lamp |
| CN106196747A (en) * | 2016-06-30 | 2016-12-07 | 浙江龙泉凯利达汽车空调有限公司 | A kind of heat absorption plate core structure condenser and processing technology thereof |
| CN106752909A (en) * | 2016-12-08 | 2017-05-31 | 吴肖颜 | A kind of heat radiation coating for magnesium alloy substrates |
-
2008
- 2008-09-02 CN CNA2008101466075A patent/CN101353553A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061121B (en) * | 2010-12-06 | 2016-05-25 | 老虎粉末涂料制造（太仓）有限公司 | A kind of environmental-protection anti-corrosive heat-dissipation powder paint and its preparation method and application |
| CN102061121A (en) * | 2010-12-06 | 2011-05-18 | 老虎粉末涂料制造（太仓）有限公司 | Environmental-protection anti-corrosive heat-dissipation powder paint, and preparation method and application thereof |
| CN102634245A (en) * | 2012-04-28 | 2012-08-15 | 江苏元京电子科技有限公司 | Ultraviolet light polymerization heat conduction and dissipation coating and preparation method thereof |
| CN102634245B (en) * | 2012-04-28 | 2014-07-23 | 江苏元京电子科技有限公司 | Ultraviolet light polymerization heat conduction and dissipation coating and preparation method thereof |
| CN103351806A (en) * | 2013-05-30 | 2013-10-16 | 蚌埠市时代电子有限公司 | Organic silicon resin heat dissipating coating and preparation method thereof |
| CN103555094B (en) * | 2013-09-25 | 2016-01-27 | 天长市天泰光电科技有限公司 | Thermofixation heat-dissipation paint of a kind of LED and preparation method thereof |
| CN103555094A (en) * | 2013-09-25 | 2014-02-05 | 天长市天泰光电科技有限公司 | Thermocured, heat conductive and heat radiating paint for LED lamp and preparation method thereof |
| CN103589333A (en) * | 2013-10-12 | 2014-02-19 | 安徽自动化仪表有限公司 | Far-infrared ray-launching radiating paint used for meter housing and preparation method thereof |
| CN103589333B (en) * | 2013-10-12 | 2016-03-16 | 安徽自动化仪表有限公司 | A kind of emitting far-infrared heat radiation coating for meter housing and preparation method thereof |
| CN103773124A (en) * | 2014-01-15 | 2014-05-07 | 芜湖市宝艺游乐科技设备有限公司 | Cooling coating |
| CN103756445A (en) * | 2014-01-15 | 2014-04-30 | 芜湖市宝艺游乐科技设备有限公司 | Heat dissipating coating for fibrolite LED lamps |
| CN103881439A (en) * | 2014-02-14 | 2014-06-25 | 程实 | LED (light-emitting diode) heat dissipation paint with alloy powder and preparation method thereof |
| CN105240723A (en) * | 2014-10-29 | 2016-01-13 | 中山市四维家居照明有限公司 | Floor lamp |
| CN106196747A (en) * | 2016-06-30 | 2016-12-07 | 浙江龙泉凯利达汽车空调有限公司 | A kind of heat absorption plate core structure condenser and processing technology thereof |
| CN106752909A (en) * | 2016-12-08 | 2017-05-31 | 吴肖颜 | A kind of heat radiation coating for magnesium alloy substrates |
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Open date: 20090128 |