CN109627879A - A kind of function nano heat radiation coating and its preparation method and application - Google Patents
A kind of function nano heat radiation coating and its preparation method and application Download PDFInfo
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- CN109627879A CN109627879A CN201811495636.2A CN201811495636A CN109627879A CN 109627879 A CN109627879 A CN 109627879A CN 201811495636 A CN201811495636 A CN 201811495636A CN 109627879 A CN109627879 A CN 109627879A
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- Paints Or Removers (AREA)
Abstract
本发明公开了一种功能纳米散热涂料及其制备方法和应用。该纳米散热涂料按重量份数计，包括：水溶性树脂20‑60份、水溶性固化剂1‑12份、增稠剂0.1‑2份、水40‑70份、消泡剂0.1‑0.5份、流平剂0.5‑5份、助剂0.5‑30份、纳米炭材料0.5‑5份。本发明所提供的散热涂料含有多种纳米原料，使用该涂料涂装在散热器件表面时，可大幅提高散热器件的散热效率，降低电子器件的温度，从而延长电子器件的使用寿命；同时，该涂料还具有防腐、防水、抗酸性、防污、绝缘等功能，不需要对散热器件再进行防腐等处理，具有绿色、安全、环保等特点；该纳米散热涂料在电子散热领域有着广泛的应用前景和实用价值，同时该涂料制备工艺简单、成本低，适于规模化生产。
The invention discloses a functional nanometer heat-dissipating paint and a preparation method and application thereof. In parts by weight, the nanometer heat dissipation coating includes: 20-60 parts of water-soluble resin, 1-12 parts of water-soluble curing agent, 0.1-2 parts of thickener, 40-70 parts of water, and 0.1-0.5 parts of defoamer , 0.5-5 parts of leveling agent, 0.5-30 parts of auxiliary, and 0.5-5 parts of nano-carbon material. The heat-dissipating paint provided by the present invention contains a variety of nano-materials. When the paint is coated on the surface of the heat-dissipating device, the heat-dissipating efficiency of the heat-dissipating device can be greatly improved, the temperature of the electronic device can be reduced, and the service life of the electronic device can be prolonged; The coating also has the functions of anti-corrosion, waterproof, acid resistance, anti-fouling, insulation, etc. It does not need to carry out anti-corrosion treatment on the radiator components, and has the characteristics of green, safety, and environmental protection; the nano thermal coating has a wide range of application prospects in the field of electronic cooling and practical value, and at the same time, the coating has a simple preparation process and low cost, and is suitable for large-scale production.
Description
Technical field
The present invention relates to functional material and technical field of electronic devices more particularly to a kind of function nano heat radiation coating and its
Preparation method and application.
Background technique
Metal material is because having high thermal conductivity, faster heat transfer rate, so heat transfer medium is used frequently as, very
Radiator structure materials'use is used as in polyelectron electric equipment products.But the thermal radiation capability of metal surface is poor, not to spreading
Under conditions of heat, the heat on metal is difficult to distribute by radiation mode.If but enhance the equipment of convective heat transfer in addition, not only increase
Addition sheet, and occupied space is larger, be unable to satisfy nowadays electronic product to miniaturization, the development of high-power, high performance
Demand.Therefore, the thermal radiation capability of metal surface is improved by coating technology, the trend of the current development in science and technology of positive adaptation can be
Do not change or appropriateness it is small change prior art and process in the case where, realize better radiating efficiency, extend the service life of electronic device.
For these reasons, a function nano heat radiation coating is developed to overcome the problems, such as the prior art, becomes particularly important.
Summary of the invention
The purpose of the present invention is overcoming shortcoming in the prior art, provide a kind of function nano heat radiation coating and its
Preparation method and application, the heat radiation coating can improve the radiating efficiency of electronic device, effectively improve the use of electronic device
Stability extends the service life of electronic device.
To achieve the above object, the invention provides the following technical scheme:
In a first aspect, a kind of function nano heat radiation coating provided by the invention, according to parts by weight, comprising: water solubility tree
20-60 parts of rouge, 1-12 parts of water soluble solid agent, 0.1-2 parts of thickener, 40-70 parts of water, 0.1-0.5 parts of defoaming agent, levelling agent
0.5-5 parts, 0.5-30 parts of auxiliary agent, 0.5-5 parts of carbon nano-material.
Preferably, the carbon nano-material is selected from thin graphene, multi-layer graphene, graphite, single-walled carbon nanotube, multi wall
One of carbon nanotube, nano carbon fiber, porous nano Carbon Materials, charcoal-aero gel powder, carbon black are a variety of.
Preferably, the water-soluble resin is selected from epoxy resin, amino resins, alkyd resin, polyester resin, polyurethane tree
Rouge, organic siliconresin, epoxy organosilicon acrylic resin, phenolic resin, the third modified alkyd resin of epoxy silicon, acrylic resin, acrylic acid change
One of property resin is a variety of.
Preferably, the water soluble solid agent is selected from polyurethane curing agent, isocyanate curing agent, amino resins, more second
One of the more amine curing agents of alkene, polyamide-based curing agent, acid anhydrides, resol are a variety of.
Preferably, the thickener is selected from sodium carboxymethylcellulose, methyl fibre and receives element, 2- hydroxypropyl methyl cellulose, hydroxyl
Ethyl cellulose, aqueous polyurethane thickener, nonionic polyurethane Associative thickener, hydrophobically-modified alkali swelling association type thickening
Agent, polyacrylamide, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene glycol oxide, carbomer, polyacrylic acid, polyacrylic acid
One of sodium, modified polyurea, low-molecular polyethylene wax are a variety of.
Preferably, the defoaming agent is selected from silicone emulsion, the fatty acid ester compounded object of higher alcohols, polyoxyethylene polyoxypropylene season
One of penta 4 alcohol ethers, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether, polyoxypropylene ethylene oxide glycerin ether or
It is a variety of.
Preferably, the auxiliary agent be selected from N-Methyl pyrrolidone, N, N- dimethylethanolamine, n,N-Dimethylformamide,
One of propylene glycol, diacetone alcohol, ethyl alcohol, ethylene glycol, n-butanol are a variety of.
Second aspect, a kind of preparation method of function nano heat radiation coating as described in relation to the first aspect provided by the invention,
The following steps are included:
(1) carbon nano-material, water, auxiliary agent are added in stirred tank, are stirred 1-3 hours, obtain material A；
(2) water-soluble resin, water soluble solid agent, levelling agent are added into step (1) resulting material A, continues to stir
Mixing 0.5-2 hours, obtains material B；
(3) defoaming agent is added into the resulting material B of step (2), finally thickener is added in batches, continue to stir 2-
6 hours to get arrive function nano heat radiation coating.
The third aspect, a kind of radiator structure provided by the invention, the heat dissipation including matrix and on described matrix surface
Coating, the thermal dispersant coatings are made of the function nano heat radiation coating of use as described in relation to the first aspect.
Fourth aspect, a kind of preparation method of the radiator structure as described in the third aspect provided by the invention, including it is as follows
Step: by the function nano heat radiation coating with dip coating, air spray finishing, air-assisted spray coating method, electrostatic spray, roller
Any one or more of method of coating, knife coating, spin-coating method is applied to matrix surface, then is placed in 120-180 DEG C and toasts 10-
30min forms radiator structure.
Beneficial effects of the present invention, including following several points:
(1) carbon nano-material of the present invention has the characteristics such as high heat conductance, high radiant rate, Nanosurface product, is
Optimal heat dissipation filler material.Using carbon nano-material and resin compounded with high radiant rate, coating can be with heat dissipation metal
Resonance effects occurs for device surface, greatly promotes the far infrared transmission efficiency of material surface, can be by heat rapidly from radiator
Surface release；
(2) present invention can be changed or not changed small by the thermal radiation capability on coating technology raising heat spreader metals surface
In the case where becoming prior art and process, realizes better radiating efficiency, extend the service life of electronic device, technology response country
Environmental protection and energy saving are called, and the trend of current development in science and technology is met；
(3) present invention is obvious to the heat dissipation effect of electronic device, and test result shows: spraying this in LED lamp heat sink
Product, cooling efficiency is up to 14%；Spray this product on compressor of air conditioner cooling fin, cooling efficiency is up to 20% (different application device
The cooling efficiency of part is depending on specifically used environment), this product is had excellent performance, much higher than similar product in the market；
(4) function nano heat radiation coating provided by the present invention is applied widely, all has to different substrate materials good attached
Put forth effort (such as aluminium alloy, copper, iron, plastics, glass), can be applied to all kinds of electronic devices, covers LED illumination, household electrical appliance, hand
The electronic equipments such as machine and computer；
(5) operating procedure of function nano heat radiation coating provided by the present invention is simple, without changing the original knot of prototype part
Structure, simply spraying or immersion can form thermal dispersant coatings in former device surface, be that current raising cooling efficiency cost is minimum
Radiating mode, meet electronic device to miniaturization, high-power, high performance growth requirement；
(6) thermal dispersant coatings also have the function of insulation, anti-corrosion and waterproof and self-cleaning etc.；
(7) function nano heat radiation coating provided by the present invention is water paint, adheres to the production theory of Green Chemistry, is caused
Power is in, by fine chemicals greenization, the double effects for having protection environment and economizing on resources realize economic benefit from source
With social benefit perfect combination.
Detailed description of the invention
Fig. 1 is LED lamp radiator described in embodiment 1；
Fig. 2 is the heat dissipation performance comparison diagram of function nano heat radiation coating 1 of the present invention and existing heat radiation coating；
Fig. 3 is the heat dissipation effect figure of function nano heat radiation coating 2 of the present invention；
Fig. 4 is the heat dissipation effect figure of function nano heat radiation coating 3 of the present invention.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.It should be noted that for
The explanation of these embodiments is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, disclosed below
The each embodiment of the present invention involved in technical characteristic can be combined with each other as long as they do not conflict with each other.
In a first aspect, a kind of function nano heat radiation coating provided by the invention, according to parts by weight, comprising: water solubility tree
20-60 parts of rouge, 1-12 parts of water soluble solid agent, 0.1-2 parts of thickener, 40-70 parts of water, 0.1-0.5 parts of defoaming agent, levelling agent
0.5-5 parts, 0.5-30 parts of auxiliary agent, 0.5-5 parts of carbon nano-material.
In embodiment of the present invention, the function nano heat radiation coating, according to parts by weight, comprising: water-soluble resin 20-
40 parts, 2-4 parts of water soluble solid agent, 1~2 part of thickener, 40-60 parts of water, 0.2-0.4 parts of defoaming agent, 2~4 parts of levelling agent,
5-30 parts of auxiliary agent, 0.5-3 parts of carbon nano-material.
Further, the function nano heat radiation coating, according to parts by weight, comprising: 30 parts of water-soluble resin, water solubility
3 parts of curing agent, 1 part of thickener, 50 parts of water, 0.3 part of defoaming agent, 1.7 parts of levelling agent, 13 parts of auxiliary agent, 1 part of carbon nano-material.
In embodiment of the present invention, the water-soluble resin is selected from epoxy resin, amino resins, alkyd resin, polyester tree
Rouge, polyurethane resin, organic siliconresin, epoxy organosilicon acrylic resin, phenolic resin, the third modified alkyd resin of epoxy silicon, acrylic acid tree
One or more of rouge, acrylic acid modified resin.
In embodiment of the present invention, the water soluble solid agent is selected from polyurethane curing agent, isocyanate curing agent, amino
One or more of resin, polyethylene polyamine class curing agent, polyamide-based curing agent, acid anhydrides, resol.
In embodiment of the present invention, the thickener is selected from sodium carboxymethylcellulose, methyl fibre and receives element, 2- hydroxypropyl methyl
Cellulose, hydroxyethyl cellulose, aqueous polyurethane thickener, nonionic polyurethane Associative thickener, hydrophobically-modified alkali swelling
Association thickener, polyacrylamide, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene glycol oxide, carbomer, polyacrylic acid,
One or more of Sodium Polyacrylate, modified polyurea, low-molecular polyethylene wax.
In embodiment of the present invention, the water is deionized water.
In embodiment of the present invention, the defoaming agent is selected from silicone emulsion, the fatty acid ester compounded object of higher alcohols, polyoxyethylene
Polyoxypropylene pentaerythrite ether, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether, polyoxypropylene ethylene oxide glycerin ether
One or more of.
In embodiment of the present invention, the levelling agent be selected from polyether siloxane copolymer, polyacrylic acid, polyacrylamide,
One or more of carboxymethyl cellulose.
In embodiment of the present invention, the auxiliary agent is selected from N-Methyl pyrrolidone, N, N- dimethylethanolamine, N, N- diformazan
One or more of base formamide, propylene glycol, isopropanol, diacetone alcohol, ethyl alcohol, ethylene glycol, n-butanol.
In embodiment of the present invention, the carbon nano-material is selected from thin graphene, multi-layer graphene, graphite, single wall carbon
One of nanotube, multi-walled carbon nanotube, nano carbon fiber, porous nano Carbon Materials, charcoal-aero gel powder, carbon black are several
Kind.
Further, the mesh number of the graphite is not less than 5000 mesh.
Further, the mesh number of the porous nano Carbon Materials is not less than 300 mesh.
Further, the mesh number of the charcoal-aero gel powder is not less than 300 mesh.
Further, the carbon black is acetylene carbon black.
Further, the mesh number of the carbon black is not less than 3000 mesh.
Second aspect, a kind of preparation method of function nano heat radiation coating as described in relation to the first aspect provided by the invention,
Include the following steps:
(1) carbon nano-material, water, auxiliary agent are added in stirred tank, are stirred 1-3 hours, obtain material A；
(2) water-soluble resin, water soluble solid agent, levelling agent are added into step (1) resulting material A, continues to stir
Mixing 0.5-2 hours, obtains material B；
(3) defoaming agent is added into the resulting material B of step (2), finally thickener is added in batches, continue to stir 2-
6 hours to get arrive function nano heat radiation coating.
In embodiment of the present invention, the mixing speed in step (1) is 300-1000 revs/min.
In embodiment of the present invention, the mixing speed in step (2) is 300-1000 revs/min.
In embodiment of the present invention, the mixing speed in step (3) is 300-1000 revs/min.
The third aspect, a kind of radiator structure provided by the invention, the heat dissipation including matrix and on described matrix surface
Coating, the thermal dispersant coatings are made of use such as function nano heat radiation coating of any of claims 1-7.
Fourth aspect, a kind of preparation method of the radiator structure as described in the third aspect provided by the invention, including it is as follows
Step: by the function nano heat radiation coating with dip coating, air spray finishing, air-assisted spray coating method, electrostatic spray, roller
Any one or more of method of coating, knife coating, spin-coating method is applied to matrix surface, then is placed in 120-180 DEG C and toasts 10-
30min forms radiator structure.
In 120-180 DEG C for the treatment of process, water-soluble resin and water soluble solid agent can be cured reaction, form crosslinking
Polymer is attached on substrate, and it is strong to form coating adhesion, while having the function of insulation, anti-corrosion and waterproof and self-cleaning etc..
It should be understood that described matrix is the radiator, including LED light, compressor of air conditioner, refrigerator etc. of all kinds of electronic devices
The floor heating pipeline that the chip of the electronic products such as circuit control panel, mobile phone and the computer of household electrical appliances, heater shell, northern family warm oneself
Deng.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
Carbon black in following embodiment is acetylene carbon black, and mesh number is 3000 mesh.
The mesh number of graphite, thin graphene and multi-layer graphene in following embodiment is 5000 mesh.
The mesh number of porous nano Carbon Materials in following embodiment is 300 mesh.
The mesh number of charcoal-aero gel powder and nano carbon fiber in following embodiment is 300 mesh.
Embodiment 1
A kind of preparation method of function nano heat radiation coating provided in this embodiment, includes the following steps:
(1) 0.7g carbon black, 0.3g graphite, 50g deionized water, 10g ethyl alcohol, 3g diacetone alcohol are added in stirred tank,
500 revs/min are stirred 1 hour, obtain homogeneous material；
(2) 30g water soluble acrylic resin, 3g water soluble amino resin curing agent, 1.7g polyacrylic acid levelling are added
Agent, 500 revs/min are continued to be stirred 1 hour；
(3) 0.3g silicone oil is added, 0.5g sodium carboxymethylcellulose is first added, adds 0.5g carboxylic first until completely dissolved
Base sodium cellulosate, 700 revs/min are continued stirring 4 hours to get function nano heat radiation coating 1 is arrived.
This coating is evenly coated in spreader surface (such as Fig. 1 brand LED lamp radiator) by the way of dip-coating,
It is toasted 30 minutes at 120 DEG C, tests performance of the coating on the radiator.
Implementation result in order to better illustrate the present invention, the function nano heat radiation coating that embodiment 1 is prepared are equal
It is even to be coated in spreader surface, 20min is toasted at 150 DEG C, obtains the radiator (as shown in Figure 1) with Homogeneouslly-radiating coating,
And test the heat dissipation effect of heat radiation coating.
Test method: by the radiator of spray coated heat radiation coating in LED light, at 25 DEG C of environment temperature, LED is opened
Lamp and after keeping 2h temperature constant, using the temperature change of multi-spot temperature testing instrument record LED light wick, tests its heat dissipation effect
Fruit.Meanwhile with existing carbon nanotube heat radiation coating 1, existing graphene heat radiation coating, existing carbon nanotube heat radiation coating
2 is as a comparison sample.
Test results are shown in figure 2, and on the LED that heat radiation coating is not used, junction temperature temperature is up to 85.7 DEG C after 2 hours；Make
It is 77.9 DEG C with the LED light junction temperature temperature of certain scientific research institutions' carbon nanotube heat radiation coating, temperature declines 7.8 DEG C, and cooling efficiency is
9.10%；LED light junction temperature temperature using existing graphene heat radiation coating is 76.8 DEG C, and temperature declines 8.9 DEG C, and cool down efficiency
It is 10.39%；LED light junction temperature temperature using existing carbon nanotube heat radiation coating is 79.6 DEG C, and temperature declines 6.1 DEG C, drop
Warm efficiency is 7.12%；The LED light junction temperature temperature of the heat radiation coating one prepared using embodiment 1 is 74.6 DEG C, temperature decline
11.1 DEG C, cooling efficiency is 12.95%.
Embodiment 2
A kind of preparation method of function nano heat radiation coating provided in this embodiment, includes the following steps:
(1) 0.8g carbon black, 0.2g graphite, 50g deionized water, 10g isopropanol, 2g diacetone alcohol are added to stirred tank
In, 300 revs/min are stirred 2 hours, obtain homogeneous material；
(2) 30g water soluble acrylic resin, 3g water soluble amino resin curing agent, 1g polyacrylic acid levelling agent are added,
500 revs/min are continued to be stirred 1 hour；
(3) 0.3g silicone oil is added, 0.5g polyacrylamide is first added, adds 0.5g polyacrylamide until completely dissolved
Amine, 700 revs/min are continued stirring 4 hours to get function nano heat radiation coating 2 is arrived.
Implementation result in order to better illustrate the present invention uniformly applies the resulting function nano heat radiation coating 2 of step (3)
In spreader surface, 20min is toasted at 150 DEG C, obtains the radiator with Homogeneouslly-radiating coating, and according in embodiment 1
Testing procedure, the heat dissipation effect of test function nanometer heat radiation coating 2.
Test results are shown in figure 3, and the LED light junction temperature temperature using function nano heat radiation coating 2 is 75.9 DEG C, at a temperature of
9.8 DEG C of drop, cooling efficiency are 11.44%.
Embodiment 3
A kind of preparation method of function nano heat radiation coating provided in this embodiment, includes the following steps:
(1) by 1g carbon black, 0.1g porous nano Carbon Materials, 48g deionized water, 12.5gN, N- dimethylethanolamine is added
Into stirred tank, 500 revs/min are stirred 2 hours, obtain homogeneous material；
(2) 30g water soluble acrylic resin, 3g water soluble amino resin curing agent, 2g polyacrylic acid levelling agent are added,
700 revs/min are continued to be stirred 2 hours；
(3) 2g polyethers defoaming agent is added, adds 1.4g aqueous polyurethane thickener after dissolution to be mixed, 700 turns/
Minute continues stirring 6 hours to get function nano heat radiation coating 3 is arrived.
Implementation result in order to better illustrate the present invention uniformly applies the resulting function nano heat radiation coating 2 of step (3)
In spreader surface, 20min is toasted at 150 DEG C, obtains the radiator with Homogeneouslly-radiating coating, and according in embodiment 1
Testing procedure, the heat dissipation effect of test function nanometer heat radiation coating 3.
Test results are shown in figure 4, and the LED light junction temperature temperature using function nano heat radiation coating 3 is 73.6 DEG C, at a temperature of
12.1 DEG C of drop, cooling efficiency are 14.12%.
The different carbon nano-materials of embodiment 4 influence the performance of function nano heat radiation coating
" 1g carbon black, 0.1g graphite ", " 1g carbon black, 0.1g is respectively adopted in beneficial effect in order to further illustrate the present invention
" 1g carbon black, 0.1g porous nano raw material of wood-charcoal in thin graphene ", " 1g carbon black, 0.1g charcoal-aero gel powder " alternative embodiment 1
Material ", according to function nano heat radiation coating 4, function nano heat radiation coating 5, function nano heat radiation coating obtained the step of embodiment 3
6, function nano heat radiation coating 7.
Implementation result in order to better illustrate the present invention, by function nano heat radiation coating 4, function nano heat radiation coating 5,
Function nano heat radiation coating 6, function nano heat radiation coating 7, are evenly coated in spreader surface respectively, toast at 150 DEG C
20min obtains the radiator with Homogeneouslly-radiating coating, and according to the testing procedure in embodiment 1, the heat dissipation of test function nanometer
Coating 7, function nano heat radiation coating 4, function nano heat radiation coating 5, function nano heat radiation coating 6, function nano heat radiation coating 7
Heat dissipation effect；Test result is as shown in table 1.
The different carbon nano-materials of table 1 influence the performance of function nano heat radiation coating
5 water-soluble resin of embodiment and the different ratio of water soluble solid agent influence the performance of function nano heat radiation coating
" 30g water soluble acrylic resin, 1g water solubility is respectively adopted in beneficial effect in order to further illustrate the present invention
Amino resin curing agents ", " 30g water soluble acrylic resin, 3g water soluble amino resin curing agent ", " 30g water-soluble acrylic
Resin, 5g water soluble amino resin curing agent ", according to function nano heat radiation coating 8, function nano obtained the step of embodiment 3
Heat radiation coating 9.
Implementation result in order to better illustrate the present invention, by function nano heat radiation coating 8, function nano heat radiation coating 9
It is evenly coated in spreader surface respectively, toasts 20min at 150 DEG C, obtains the radiator with Homogeneouslly-radiating coating, and according to
Testing procedure in embodiment 1, test function nanometer heat radiation coating 3, function nano heat radiation coating 8, function nano heat radiation coating 9
Heat dissipation effect；Test result is as shown in table 2.
2 water-soluble resin of table and the different ratio of water soluble solid agent influence the performance of function nano heat radiation coating
The different water-soluble resins of embodiment 6 influence the performance of function nano heat radiation coating
Beneficial effect in order to further illustrate the present invention, " 30g water-soluble epoxy resin " is respectively adopted, and " 30g is water-soluble
Polyester resin ", " 30g soluble epoxide organosilicon acrylic resin ", according to function nano heat radiation coating 10, function obtained the step of embodiment 3
It can nanometer heat radiation coating 11.
Implementation result in order to better illustrate the present invention, by function nano heat radiation coating 10, function nano heat radiation coating
11 are evenly coated in spreader surface respectively, toast 20min at 150 DEG C, obtain the radiator with Homogeneouslly-radiating coating, and press
According to the testing procedure in embodiment 1, the heat dissipation effect of test function nanometer heat radiation coating 10, function nano heat radiation coating 11；It surveys
Test result is as shown in table 3.
The different water-soluble resins of table 3 influence the performance of function nano heat radiation coating
The different curing agent of embodiment 7 influence the performance of function nano heat radiation coating
Beneficial effect in order to further illustrate the present invention is respectively adopted " 3g soluble polyurethane curing agent " replacement and implements
" 3g water soluble amino resin curing agent " in example 3, according to function nano heat radiation coating 12 obtained the step of embodiment 3, table
Face glossiness is more preferable.
Function nano heat radiation coating 12 is evenly coated in radiator by implementation result in order to better illustrate the present invention respectively
20min is toasted at 150 DEG C in surface, obtains the radiator with Homogeneouslly-radiating coating, and according to the test step in embodiment 1
Suddenly, the heat dissipation effect of test function nanometer heat radiation coating 12；Test result is as shown in table 4.
The different water soluble solid agent of table 4 influence the performance of function nano heat radiation coating
Embodiment 8
A kind of preparation method of function nano heat radiation coating provided in this embodiment, includes the following steps:
(1) by 1g carbon black, 0.1g porous nano Carbon Materials, 57g deionized water, 12.5gN, N- dimethylethanolamine is added
Into stirred tank, 500 revs/min are stirred 2 hours, obtain homogeneous material；
(2) 20g water soluble acrylic resin, 2g water soluble amino resin curing agent, 2g polyacrylic acid levelling agent are added,
700 revs/min are continued to be stirred 2 hours；
(3) 2g polyethers defoaming agent is added, adds 2.4g aqueous polyurethane thickener after dissolution to be mixed, 700 turns/
Minute continues stirring 6 hours to get function nano heat radiation coating 13 is arrived.Implementation result in order to better illustrate the present invention, will
Function nano heat radiation coating 13 is evenly coated in spreader surface, toasts 20min at 150 DEG C, obtains with Homogeneouslly-radiating coating
Radiator, and according to the testing procedure in embodiment 1, the heat dissipation effect of test function nanometer heat radiation coating 13；Test result
It has been shown that, the LED light junction temperature temperature using function nano heat radiation coating 13 are 78.9 DEG C, and cooling efficiency is 7.93%.
Embodiment 9
A kind of preparation method of function nano heat radiation coating provided in this embodiment, includes the following steps:
(1) by 1g carbon black, 0.1g porous nano Carbon Materials, 37g deionized water, 12.5gN, N- dimethylethanolamine is added
Into stirred tank, 500 revs/min are stirred 2 hours, obtain homogeneous material；
(2) 40g water soluble acrylic resin, 4g water soluble amino resin curing agent, 2g polyacrylic acid levelling agent are added,
700 revs/min are continued to be stirred 2 hours；
(3) 2g polyethers defoaming agent is added, adds 1.4g aqueous polyurethane thickener after dissolution to be mixed, 700 turns/
Minute continues stirring 6 hours to get function nano heat radiation coating 14 is arrived.Implementation result in order to better illustrate the present invention, will
Function nano heat radiation coating 14 is evenly coated in spreader surface, toasts 20min at 150 DEG C, obtains with Homogeneouslly-radiating coating
Radiator, and according to the testing procedure in embodiment 1, the heat dissipation effect of test function nanometer heat radiation coating 26；Test result
It has been shown that, the LED light junction temperature temperature using function nano heat radiation coating 26 are 76.2 DEG C, and cooling efficiency is 11.09%.
The test result of above-described embodiment proves that the present invention is for solving the heat dissipation problem of electronic device with obvious excellent
Gesture is a kind of efficient and multi-functional heat radiation coating.The present invention is used with high heat conductance, high radiant rate, high-specific surface area
Several nano-carbon material compoundings, in conjunction with our coating technology, form efficient pipe radiating network on heat radiating material surface, thus
The heat transfer and thermal radiation capability for effectively strengthening body surface, improve the radiating efficiency on surface, realize the purpose of cooling and heat dissipation.
In conjunction with attached drawing, the embodiments of the present invention are described in detail above, but the present invention is not limited to described implementations
Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments
A variety of change, modification, replacement and modification are carried out, are still fallen in protection scope of the present invention.
Claims (10)
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| CN113004774A (en) * | 2021-03-09 | 2021-06-22 | 武汉双虎涂料有限公司 | Drying-free automobile finish suitable for sealant as well as preparation method and application thereof |
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| CN104693968A (en) * | 2015-03-09 | 2015-06-10 | 安徽宏皇信息科技有限公司 | High heat conduction and dissipation coating and preparation method thereof |
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| CN111100528A (en) * | 2019-12-26 | 2020-05-05 | 杭州牛耳科技有限公司 | Water-based paint capable of prolonging corrosion prevention period and preparation method thereof |
| CN113512345A (en) * | 2020-04-09 | 2021-10-19 | 宣城亨旺新材料有限公司 | Waterproof heat-dissipating coating material and method for forming waterproof heat-dissipating structure using same |
| CN113667371A (en) * | 2020-05-15 | 2021-11-19 | 中海油常州涂料化工研究院有限公司 | Water-based epoxy anticorrosive paint for heat exchanger and preparation method thereof |
| WO2022088116A1 (en) * | 2020-10-30 | 2022-05-05 | 河北比尔尼克新材料科技股份有限公司 | Super weather-resistant aqueous paint, preparation method therefor and use thereof |
| CN114456674A (en) * | 2020-11-09 | 2022-05-10 | 海安南京大学高新技术研究院 | A kind of stainless steel antibacterial and antifouling coating and preparation method thereof |
| CN114163853A (en) * | 2020-12-29 | 2022-03-11 | 中国科学院宁波材料技术与工程研究所 | A kind of high radiation paste and its preparation method and application |
| CN113004774A (en) * | 2021-03-09 | 2021-06-22 | 武汉双虎涂料有限公司 | Drying-free automobile finish suitable for sealant as well as preparation method and application thereof |
| CN114350231A (en) * | 2022-02-08 | 2022-04-15 | 深圳市中科纳米科技有限公司 | Water-based carbon nanotube heat dissipation coating and preparation method thereof |
| CN115710456A (en) * | 2022-11-04 | 2023-02-24 | 中国海洋大学 | Water-based functional coating and preparation method thereof |
| CN115710456B (en) * | 2022-11-04 | 2023-08-29 | 中国海洋大学 | A kind of water-based functional coating and preparation method thereof |
| CN115966150A (en) * | 2022-11-16 | 2023-04-14 | 安徽别格迪派标识系统有限公司 | A brand column with excellent heat dissipation performance for gas stations |
| CN117186728A (en) * | 2023-08-24 | 2023-12-08 | 西北工业大学 | Coating with high infrared emissivity and strong binding force on surface of carbon/carbon composite material, and preparation method and application thereof |
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