CN104974667A - Heat dissipation coating solution, application thereof and heat dissipation device - Google Patents
Heat dissipation coating solution, application thereof and heat dissipation device Download PDFInfo
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- CN104974667A CN104974667A CN201410219061.7A CN201410219061A CN104974667A CN 104974667 A CN104974667 A CN 104974667A CN 201410219061 A CN201410219061 A CN 201410219061A CN 104974667 A CN104974667 A CN 104974667A
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- heat radiation
- radiation coating
- nano carbon
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- 238000000576 coating method Methods 0.000 title claims abstract description 151
- 239000011248 coating agent Substances 0.000 title claims abstract description 96
- 230000017525 heat dissipation Effects 0.000 title abstract description 14
- 239000011347 resin Substances 0.000 claims abstract description 57
- 229920005989 resin Polymers 0.000 claims abstract description 57
- 229910021392 nanocarbon Inorganic materials 0.000 claims abstract description 48
- 239000000463 material Substances 0.000 claims abstract description 38
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 27
- 239000002904 solvent Substances 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 3
- 230000005855 radiation Effects 0.000 claims description 84
- 239000002270 dispersing agent Substances 0.000 claims description 55
- 239000002245 particle Substances 0.000 claims description 23
- 239000004005 microsphere Substances 0.000 claims description 21
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 16
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 9
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- -1 acryl Chemical group 0.000 claims description 7
- 229910017052 cobalt Inorganic materials 0.000 claims description 7
- 239000010941 cobalt Substances 0.000 claims description 7
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- 150000005846 sugar alcohols Polymers 0.000 claims description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 4
- 239000002041 carbon nanotube Substances 0.000 claims description 4
- MLFHJEHSLIIPHL-UHFFFAOYSA-N isoamyl acetate Chemical compound CC(C)CCOC(C)=O MLFHJEHSLIIPHL-UHFFFAOYSA-N 0.000 claims description 4
- PGMYKACGEOXYJE-UHFFFAOYSA-N pentyl acetate Chemical compound CCCCCOC(C)=O PGMYKACGEOXYJE-UHFFFAOYSA-N 0.000 claims description 4
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 2
- YEJCDKJIEMIWRQ-UHFFFAOYSA-N Linopirdine Chemical compound O=C1N(C=2C=CC=CC=2)C2=CC=CC=C2C1(CC=1C=CN=CC=1)CC1=CC=NC=C1 YEJCDKJIEMIWRQ-UHFFFAOYSA-N 0.000 claims description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 229940043232 butyl acetate Drugs 0.000 claims description 2
- 239000006229 carbon black Substances 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 2
- 229940117955 isoamyl acetate Drugs 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims description 2
- 229920002050 silicone resin Polymers 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 26
- 239000007863 gel particle Substances 0.000 abstract 4
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 239000005028 tinplate Substances 0.000 description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 14
- 239000011889 copper foil Substances 0.000 description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 13
- 239000002994 raw material Substances 0.000 description 9
- 238000007385 chemical modification Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 238000010998 test method Methods 0.000 description 6
- 125000000524 functional group Chemical group 0.000 description 5
- 238000002156 mixing Methods 0.000 description 4
- 150000004760 silicates Chemical class 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/16—Solid spheres
- C08K7/18—Solid spheres inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/66—Additives characterised by particle size
- C09D7/67—Particle size smaller than 100 nm
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
- H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
- H05K7/20472—Sheet interfaces
- H05K7/20481—Sheet interfaces characterised by the material composition exhibiting specific thermal properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/20—Metallic substrate based on light metals
- B05D2202/25—Metallic substrate based on light metals based on Al
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/01—Magnetic additives
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- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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Abstract
The invention relates to a heat dissipation coating solution, application thereof and a heat dissipation device. The heat dissipation coating solution comprises an unmodified nano carbon material, a plurality of resin gel particles and a solvent, wherein the resin gel particles are dispersed in the solvent, and the unmodified nano carbon material is attached to the surface of the resin gel particles. According to the invention, the heat dissipation coating solution contains unmodified nano carbon materials and resin gel particles, so that good heat dissipation effect and dispersibility can be provided, and further the heat dissipation coating solution can form a heat dissipation coating on substrates made of various materials; the heat dissipation coating has the characteristics of simple structure, corrosion resistance and the like, and when the heat dissipation coating is applied to electronic products or vehicle parts needing heat dissipation, a good heat dissipation effect can be provided under the condition of not consuming extra energy.
Description
Technical field
The present invention relates to a kind of heat dissipation technology, particularly a kind of heat radiation coating solution, its application and heat abstractor.
Background technology
Along with the precise treatment of electronic product designs, the operation of electronic product often along with the generation of a large amount of heat energy, if cannot, effectively by heat energy loss, will make electronic product that overheated problem occur, even affect its quality and reliability.
For avoiding foregoing problems, prior art is arrange radiating fin or fan at the thermal source of electronic product mostly, to by improving surface-area or increasing the mode of thermal convection, by heat source dissipation to the outside of electronic product.But arranging radiating fin will increase the overall volume size of electronic product; And fan is except increasing except the volume of electronic product, more needing additionally to pass into power supply could drive fan operate, and reaches the object of the temperature reducing electronic product.
But aforementioned technique means of dealing with problems neither is beneficial to electronic product toward lightening and energy-conservation future development.For overcoming aforementioned restriction, prior art then be coated with thermal dispersant coatings on the electronic device, under the demand of lightening, energy-saving meeting electronic product, reaching the object of heat radiation.
The material of the thermal dispersant coatings developed at present is mostly based on the nano carbon material through chemical modification, because this shell structure through the nano carbon material of chemical modification is damaged, cause this nano carbon material through chemical modification to obtain enough thermotolerances, therefore the thermal dispersant coatings of prior art play required radiating effect under cannot being useful in the temperature of more than 400 DEG C.
Summary of the invention
Because the technological deficiency of prior art, the object of the invention is to develop a kind of heat radiation coating solution, it can be applicable on the base material of metal material or plastic cement material, and formed a structure simple, without the need to expending the thermal dispersant coatings of additional energy source and safety durable, solve electronic product or the too high and derivative problem of relevant automobile-used spare part product Yin Wendu thus.
For reaching aforementioned object, the invention provides a kind of heat radiation coating solution, it comprises one without the nano carbon material of upgrading, multiple resin gel particulate and a solvent, described resin gel microparticulate is in this solvent, and should be attached on the surface of described resin gel particulate without the nano carbon material of upgrading, and the material of described resin gel particulate comprises sex change acryl polyalcohols resin, silicate resin, silicone resin or fluorocarbon resin; Wherein, with the gross weight of heat radiation coating solution for benchmark, should without the content of the nano carbon material of upgrading between 0.1 weight percent to 10 weight percent.
Accordingly, heat radiation coating solution of the present invention is because of containing without the nano carbon material of upgrading and resin gel particulate, therefore the nano carbon material without upgrading can be made to retain under original unsaturated double-bond structure and closed shell structure, good thermal-radiating radiating effect is provided, and make the nano carbon material without upgrading can be attached on the surface of described resin gel particulate, thus guarantee resin gel particulate in heat radiation coating solution and all can possess good dispersiveness without the nano carbon material of upgrading, to promote its applicability.
Preferably, with the gross weight of heat radiation coating solution for benchmark, the content of described resin gel particulate is between 20 weight percent to 60 weight percents, and the content of this solvent is between 35 weight percent to 75 weight percents.
Preferably, the viscosity of this heat radiation coating solution at 25 DEG C is between 5cP to 200cP; The median size of described resin gel particulate is between 0.1 micron to 10 microns.Accordingly, heat radiation coating solution of the present invention can not only possess good dispersiveness, more can be applicable to use wet type spray method to be formed at by heat radiation coating solution on an electronic product or relevant automobile-used spare part product, to promote the applicability of heat radiation coating solution of the present invention.
Preferably, nano-graphite, CNT (carbon nano-tube), nano carbon microsphere, nanometer carbon black or its mixture should be comprised without the nano carbon material of upgrading; Should without the specific surface area of the nano carbon material of upgrading between 50m
2/ g to 2000m
2between/g.Preferably, should be nano carbon microsphere without the nano carbon material of upgrading, between its particle diameter 1 nanometer to 100 nanometer.
Preferably, this solvent is selected from: toluene, dimethylbenzene, ethyl acetate, butylacetate, pentyl acetate, Isoamyl Acetate FCC, ethanol, Virahol, propyl carbinol, water and combination thereof.Accordingly, the kind of the aforementioned resin gel particulate selected of arranging in pairs or groups, can guarantee that resin gel particulate has good dispersiveness in aforementioned solvents.
Preferably, this heat radiation coating solution comprises cobalt blue, and with the gross weight of heat radiation coating solution for benchmark, the content of cobalt blue is between 1 weight percent to 5 weight percent.Accordingly, described heat radiation coating solution more can provide good thermal-radiating radiating effect further.
According to the present invention, " nano carbon material without upgrading " refers to that this surface free functional group carries out the nano carbon material of chemical modification, therefore should can retain original unsaturated double-bond structure and closed shell structure without the nano carbon material of upgrading, guarantee that the heat radiation coating solution comprising it provides good thermal radiation and thermal conduction effect thus.For example, when selecting the nano carbon microsphere without upgrading as nano carbon material without upgrading, because this nano carbon microsphere without upgrading still remains with complete closure ball shell structure and graphite linings structure, can guarantee that this nano carbon microsphere without upgrading still possesses good thermotolerance in the air of more than 630 DEG C by the unsaturated double-bond structure in this graphite linings structure, therefore the heat radiation coating solution comprising it can provide good thermal radiation and heat conducting radiating effect.
The present invention separately provides a kind of application of heat radiation coating solution, and it comprises and uses wet type spray method by aforesaid heat radiation coating solution spraying on a base material; At 25 DEG C to 300 DEG C these heat radiation coating solution of drying, to form a thermal dispersant coatings on the substrate.
Preferably, when the material of the resin gel particulate in heat radiation coating solution is silicate resin; With the gross weight of heat radiation coating solution for benchmark, the content of described silicate resin microgel particle is between 20 weight percent to 60 weight percents, and the content of this solvent is between 35 weight percent to 75 weight percents.Accordingly, this heat radiation coating solution can possess good thermotolerance, therefore this heat radiation coating solution can form a thermal dispersant coatings with dry on a metal base at the temperature of 180 DEG C to 300 DEG C; This metal base is such as: the turbo-supercharger of aluminium base, automobile or lining etc.
The present invention provides again a kind of heat abstractor, the thermal dispersant coatings that this heat abstractor comprises a heat conductance base material and is formed on this heat conductance base material, wherein the material of this heat conductance base material is pottery, graphite, metal, alloy, semi-conductor, resin, and this thermal dispersant coatings formed by foregoing heat radiation coating solution.At this, this case heat conductance applicatory base material can be ceramic temperature-uniforming plate, graphite linings, graphite rod, metal fever conduit, integrated circuit board, turbo-supercharger, radiating fin, wafer, packaging component etc., but is not limited only to this.
In sum, the invention provides a kind of heat radiation coating solution, it can not only provide good thermal-radiating radiating effect, more can guarantee resin gel particulate in heat radiation coating solution and all can possess good dispersiveness without the nano carbon material of upgrading, therefore heat radiation coating solution of the present invention can be suitable for and forms a thermal dispersant coatings with wet type spray method on the base material of various material, obtain applicability widely thus.Accordingly, the thermal dispersant coatings formed by heat radiation coating solution not only has the features such as the simple and erosion resistance of structure, the heat abstractor comprising this kind of thermal dispersant coatings more can when do not need to expend additional energy source or calm good radiating effect is provided.
Embodiment
Below, by specific embodiment, embodiments of the present invention will be described, those skilled in the art can understand via the content of this specification sheets the advantage and effect that the present invention can reach easily, and carry out various modification and change, to implement or to apply content of the present invention not deviating under spirit of the present invention.
Embodiment 1: heat radiation coating solution
The raw material that the present embodiment is selected and characteristic as follows:
1. resin gel particulate
Material: sex change acryl polyalcohols resin;
Particle diameter: 0.1 to 0.5 micron;
2. solvent
Material: dimethylbenzene;
3. nano carbon microsphere
Characteristic: carry out chemical modification without functional group;
Particle diameter: about 40 nanometers;
Specific surface area: 65m2/g.
By aforementioned base materials mixing and after being stirred to uniform state, form a heat radiation coating solution, in the heat radiation coating solution of the present embodiment, sex change acryl polyalcohols resin gel microparticulate in dimethylbenzene, and should be attached on the surface of described sex change acryl polyalcohols resin gel particulate without the nano carbon microsphere of upgrading.With the gross weight of heat radiation coating solution for benchmark, content about 35 weight percent of this sex change acryl polyalcohols resin gel particulate, content about 63 weight percent of dimethylbenzene, without content about 2 weight percent of the nano carbon microsphere of upgrading.Wherein, the viscosity of this heat radiation coating solution at 25 DEG C is 10 to 100cP; Between the median size about 0.1 to 0.5 micron of sex change acryl polyalcohols resin gel microparticulate in dimethylbenzene.
Embodiment 2: heat radiation coating solution
The raw material that the present embodiment is selected and characteristic as follows:
1. resin gel particulate
Material: silicate resin;
Particle diameter: 0.1 to 0.5 micron;
2. solvent
Material: Virahol;
3. nano carbon microsphere
Characteristic: carry out chemical modification without functional group;
Particle diameter: 40 nanometers;
Specific surface area: 65m
2/ g.
By aforementioned base materials mixing and after being stirred to uniform state, form a heat radiation coating solution, in the heat radiation coating solution of the present embodiment, silicate resin microgel particle is scattered in Virahol, and should be attached on the surface of described silicate resin microgel particle without the nano carbon microsphere of upgrading.At this, with the gross weight of heat radiation coating solution for benchmark, content about 48 weight percent of this silicate resin microgel particle, content about 50 weight percent of Virahol, without content about 2 weight percent of the nano carbon microsphere of upgrading.Wherein, the viscosity of this heat radiation coating solution at 25 DEG C is 10 to 100cP; Silicate resin microgel particle is dispersed between the median size about 0.1 to 0.5 micron in Virahol.
Embodiment 3: heat radiation coating solution
The raw material that the present embodiment is selected and characteristic as follows:
1. resin gel particulate
Material: silicate resin;
Particle diameter: 0.1 to 0.5 micron;
2. solvent
Material: Virahol;
3. nano carbon microsphere
Characteristic: carry out chemical modification without functional group;
Particle diameter: 40 nanometers;
Specific surface area: 65m
2/ g;
4. additive:
Material: cobalt blue.
By aforementioned base materials mixing and after being stirred to uniform state, form a heat radiation coating solution, in the heat radiation coating solution of the present embodiment, silicate resin microgel particle is scattered in Virahol, and should be attached on the surface of described silicate resin microgel particle without the nano carbon microsphere of upgrading, cobalt blue is then uniformly distributed in the liquid phase of solvent.At this, with the gross weight of heat radiation coating solution for benchmark, content about 46 weight percent of this silicate resin microgel particle, content about 50 weight percent of Virahol, between content about 2 weight percent without the nano carbon microsphere of upgrading, content about 2 weight percent of cobalt blue.
Embodiment 4: heat radiation coating solution
The raw material that the present embodiment is selected and characteristic as follows:
1. resin gel particulate
Material: silicate resin;
Particle diameter: 0.1 to 0.5 micron;
2. solvent
Material: water;
3. nano carbon microsphere
Characteristic: carry out chemical modification without functional group;
Particle diameter: 40 nanometers;
Specific surface area: 65m
2/ g.
By aforementioned base materials mixing and after being stirred to uniform state, form a water-based cooling coating solution, in the water-based cooling coating solution of the present embodiment, silicate resin microgel particle is scattered in water, and should be attached on the surface of described silicate resin microgel particle without the nano carbon microsphere of upgrading.At this, with the gross weight of water-based cooling coating solution for benchmark, content about 48 weight percent of this silicate resin microgel particle, content about 50 weight percent of Virahol, between content about 2 weight percent without the nano carbon microsphere of upgrading.Wherein, the viscosity of this water-based cooling coating solution at 25 DEG C is 10 to 100cP; Silicate resin microgel particle is scattered between the median size about 0.1 to 0.5 micron in water.
Embodiment 5: thermal dispersant coatings
The present embodiment selects the heat radiation coating solution of embodiment 1 to be raw material, with wet type spray method by this heat radiation coating solution spraying on an aluminium flake, then toast this aluminium flake 30 minutes with the temperature of 80 DEG C, thus on this aluminium flake, form the thermal dispersant coatings of a thickness about 15 microns.
At this, the thermal dispersant coatings formed is a transparent heat sink coating.
Embodiment 6: the application of heat radiation coating solution
The present embodiment selects the heat radiation coating solution of embodiment 2 to be raw material, with wet type spray method by this heat radiation coating solution spraying on a tinplate, toast this tinplate 30 minutes with the temperature of 200 DEG C again, thus on this tinplate, form the thermal dispersant coatings of a thickness about 2.5 microns.
At this, the thermal dispersant coatings formed is a cloudy surface thermal dispersant coatings.
Embodiment 7: the application of heat radiation coating solution
The present embodiment selects the heat radiation coating solution of embodiment 3 to be raw material, with wet type spray method by this heat radiation coating solution spraying on a tinplate, toast this tinplate 30 minutes with the temperature of 200 DEG C again, thus on this tinplate, form the thermal dispersant coatings of a thickness about 2.5 microns.
At this, the thermal dispersant coatings formed is a cloudy surface thermal dispersant coatings.
Embodiment 8: the application of heat radiation coating solution
The present embodiment selects the heat radiation coating solution of embodiment 3 to be raw material, with wet type spray method by this heat radiation coating solution spraying on a Copper Foil, toast this Copper Foil 20 minutes with the temperature of 200 DEG C again, thus on this Copper Foil, form the thermal dispersant coatings of a thickness about 2.5 microns.
At this, the thermal dispersant coatings formed is a cloudy surface thermal dispersant coatings.
Embodiment 9: the application of heat radiation coating solution
The present embodiment selects the water-based cooling coating solution of embodiment 4 to be raw material, with wet type spray method, this water-based cooling coating solution is sprayed in a turbo-supercharger, toast this Copper Foil 20 minutes with the temperature of 200 DEG C again, thus on this Copper Foil, form the thermal dispersant coatings of a thickness about 2.5 microns.
At this, the thermal dispersant coatings formed is a cloudy surface thermal dispersant coatings.
Test example 1: the heat-radiation coating bed of material is applied to the radiating effect of aluminium flake
In this test example, with general aluminium flake (not being coated with thermal dispersant coatings) as a control group, the radiating effect being coated with both aluminium flakes of thermal dispersant coatings in the identical general aluminium flake of test method analysis and embodiment 5 is used.
In this test method, use pure resistance simulation thermal source, setting received current controls as 0.81A, input voltage control as 17V, power input are 13.7W, the temperature of aluminium flake is risen to after last hot-fluid balances 1 hour via identical heat source, the situation that the aluminium flake measuring the thermal dispersant coatings reaching the rear general aluminium flake of hot-fluid balance and be coated with embodiment 5 is again lowered the temperature respectively by thermal radiation, to judge its radiating effect.
Through experimental result display, the temperature of general aluminium flake about 92 DEG C, is coated with the temperature about 79 DEG C of the aluminium flake of the thermal dispersant coatings of embodiment 5, the two temperature difference 13 DEG C.As can be seen here, the thermal dispersant coatings of embodiment 5 can provide good heat-radiation heat-dissipating effect.
Test example 2: the heat-radiation coating bed of material is applied to the radiating effect of tinplate
In this test example, with general tinplate (not being coated with thermal dispersant coatings) as a control group, the radiating effect being coated with the tinplate three of thermal dispersant coatings in the identical general tinplate of test method analysis and embodiment 6,7 is used.
In this test method, first use pure resistance simulation thermal source, by the size control inputs performance number of regulation and control received current, input voltage, the temperature of aforementioned tinplate is all risen to after last hot-fluid balances 1 hour via identical heat source, measure temperature level when reaching hot-fluid balance again and situation that after reaching hot-fluid balance, general tinplate and the tinplate of thermal dispersant coatings that is coated with embodiment 6,7 are lowered the temperature respectively by thermal radiation, with the radiating effect judged with compare the two.Detailed test-results is as shown in table 1 below, and the radiating effect that wherein thermal dispersant coatings provides is represented with the temperature head being coated with both tinplates of thermal dispersant coatings of embodiment 6 or 7 respectively by general tinplate.
Table 1: the temperature after general tinplate and the tinplate of thermal dispersant coatings being coated with embodiment 6 and 7 are heated and radiating effect thereof.
Test example 3: the heat-radiation coating bed of material is applied to the radiating effect of Copper Foil
In this test example, with general Copper Foil (not being coated with thermal dispersant coatings) as a control group, the radiating effect being coated with both Copper Foils of thermal dispersant coatings in the identical general Copper Foil of test method analysis and embodiment 8 is used.
In this test method, received current is controlled for 0.32A, input voltage control as 9V, be under the condition of 10W with power input, the temperature of Copper Foil is risen to after last hot-fluid balances 1 hour via identical heat source, the situation that the Copper Foil measuring the thermal dispersant coatings reaching the rear general Copper Foil of hot-fluid balance and be coated with embodiment 8 is again lowered the temperature respectively by thermal radiation, to judge its radiating effect.
Through experimental result display, the temperature of general Copper Foil about 58 DEG C, is coated with the temperature about 51 DEG C of the Copper Foil of the thermal dispersant coatings of embodiment 8, the two temperature difference 7 DEG C.As can be seen here, the thermal dispersant coatings of embodiment 8 can provide good heat-radiation heat-dissipating effect really.
Test example 4: the heat-radiation coating bed of material is applied to the radiating effect of turbo-supercharger
In this test example, with general turbo-supercharger (not being coated with thermal dispersant coatings) as a control group, the hot environment produced after using gas well heater simulated automotive to start the engine, separately be connected thermopair device at general turbo-supercharger and the turbo-supercharger of the thermal dispersant coatings being coated with embodiment 9 three places of respectively asking for, with measured general turbo-supercharger by thermopair device and be coated with embodiment 9 thermal dispersant coatings turbo-supercharger on the temperature variation of three place's different positionss.Detailed test-results is as shown in following table 2, table 3.
Table 2: the turbo-supercharger being coated with the thermal dispersant coatings of embodiment 9 be heated after temperature variation.
Table 3: general turbo-supercharger be heated after temperature variation.
As above shown in table 2 and 3, be coated with the turbo-supercharger of the thermal dispersant coatings of embodiment 9 after being subject to identical gas heater heats, the average heating rate of turbo-supercharger is starkly lower than the turbo-supercharger not being coated with thermal dispersant coatings, shows heat radiation that this thermal dispersant coatings can provide good really, cooling-down effect; In addition, compared to the temperature value in general turbo-supercharger, the temperature of turbo-supercharger can be made after the surface spraying thermal dispersant coatings of turbo-supercharger to decline respectively about 219 DEG C, 196.3 DEG C and 211.7 DEG C.Confirm via above-mentioned experimental result, use and form thermal dispersant coatings containing without the nano carbon microsphere of upgrading and the heat radiation coating solution of silicate resin microgel particle in the surface of turbo-supercharger, can not only possess more than 850 DEG C or even in the hot environment of more than 900 DEG C and good thermotolerance is provided, more can provide good radiating effect under this hot environment.
Claims (12)
1. a heat radiation coating solution, it comprises one without the nano carbon material of upgrading, multiple resin gel particulate and a solvent, described resin gel microparticulate is in this solvent, and should be attached on the surface of described resin gel particulate without the nano carbon material of upgrading, and the material of described resin gel particulate comprises sex change acryl polyalcohols resin, silicate resin, silicone resin or fluorocarbon resin; Wherein, with the gross weight of heat radiation coating solution for benchmark, should without the content of the nano carbon material of upgrading between 0.1 weight percent to 10 weight percent.
2. heat radiation coating solution according to claim 1, wherein with the gross weight of heat radiation coating solution for benchmark, the content of described resin gel particulate is between 20 weight percent to 60 weight percents, and the content of this solvent is between 35 weight percent to 75 weight percents.
3. heat radiation coating solution according to claim 1, wherein the viscosity of this heat radiation coating solution at 25 DEG C is between 5cP to 200cP.
4. heat radiation coating solution according to claim 1, the median size of wherein said resin gel particulate is between 0.1 micron to 10 microns.
5. heat radiation coating solution according to any one of claim 1 to 4, wherein should without the specific surface area of the nano carbon material of upgrading between 50m
2/ g to 2000m
2between/g.
6. heat radiation coating solution according to any one of claim 1 to 4, wherein should comprise nano-graphite, CNT (carbon nano-tube), nano carbon microsphere, nanometer carbon black or its mixture without the nano carbon material of upgrading.
7. heat radiation coating solution according to claim 6, should be wherein nano carbon microsphere without the nano carbon material of upgrading, the particle diameter of this nano carbon microsphere be between 1 nanometer to 100 nanometer.
8. heat radiation coating solution according to any one of claim 1 to 4, wherein this solvent is selected from: toluene, dimethylbenzene, ethyl acetate, butylacetate, pentyl acetate, Isoamyl Acetate FCC, ethanol, Virahol, propyl carbinol, water and combination thereof.
9. heat radiation coating solution according to any one of claim 1 to 4, wherein this heat radiation coating solution comprises cobalt blue, and with the gross weight of heat radiation coating solution for benchmark, the content of cobalt blue is between 1 weight percent to 5 weight percent.
10. an application for heat radiation coating solution as claimed in any one of claims 1-9 wherein, it comprises and uses wet type spray method by heat radiation coating solution spraying on a base material; In 25 DEG C to 300 DEG C these heat radiation coating solution of drying, to form a thermal dispersant coatings on the substrate.
The application of 11. heat radiation coating solution according to claim 10, wherein this base material is a metal base, and this heat radiation coating solution is dry at being included in 180 DEG C to 300 DEG C, thus forms this thermal dispersant coatings on this metal base.
12. 1 kinds of heat abstractors, the thermal dispersant coatings that this heat abstractor comprises a heat conductance base material and is formed on this heat conductance base material, wherein the material of this heat conductance base material is pottery, graphite, metal, alloy, semi-conductor or resin, and this thermal dispersant coatings formed by heat radiation coating solution as claimed in any one of claims 1-9 wherein.
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| TW103112229A TW201538651A (en) | 2014-04-02 | 2014-04-02 | Heat dissipation paint solution, its application and heat dissipation device |
| TW103112229 | 2014-04-02 |
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| CN105820739A (en) * | 2016-05-12 | 2016-08-03 | 南京高崎电机有限公司 | Heat dissipation paint for motors |
| CN106010078A (en) * | 2016-07-29 | 2016-10-12 | 昆山初本电子科技有限公司 | Fluorescent LED (light-emitting diode) lamp radiation paint |
| CN106047038A (en) * | 2016-07-29 | 2016-10-26 | 昆山初本电子科技有限公司 | LED (Light-Emitting Diode) lamp heat dissipation paint |
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Also Published As
| Publication number | Publication date |
|---|---|
| TW201538651A (en) | 2015-10-16 |
| TWI513779B (en) | 2015-12-21 |
| CN104974667B (en) | 2017-06-06 |
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