CN105295588B - A kind of compound heat radiating type coating and preparation method thereof - Google Patents
A kind of compound heat radiating type coating and preparation method thereof Download PDFInfo
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Abstract
A kind of compound heat radiating type coating and preparation method thereof, its preparing raw material includes following components by weight：0.6 1.2 parts of 28 42 parts of gloss oil, 8 24 parts of color stuffing, 15 35 parts of solvent and dispersant；The color stuffing is the mixture of radiation evaporation type functional stuffing, conduction type functional stuffing and conduct radiation type functional stuffing.The present invention is using gloss oil as matrix, according to thermal conduction mechanism, radiation evaporation type, conduction type and conduct radiation type functional stuffing are compounded, utilize the collaboration conduction effect of radiation, evaporation and heat filling, the good high-performance heat radiation coating of optimal, combination property is reached simultaneously there is provided a kind of heat-conducting effect and weatherability, when being applied in LED lamp industry, the endogenous heat produced by enabling to LED lamp bead is quickly delivered to cover surface, produces preferably radiating effect.
Description
Technical field
The present invention relates to thermal dispersant coatings technical field, more particularly to a kind of compound heat radiating type coating and preparation method thereof.
Background technology
As the consciousness of global environmental protection comes back, energy saving turns into current trend.LED industry is most to be looked steadily in recent years
One of purpose industry.Be developed so far, LED product have energy-conservation, power saving, high efficiency, the reaction time soon, life cycle length and
It is not mercurous, there is environmental benefit.But generally LED high power products input powers are about that 20% can be converted into light, remain
Lower 80% electric energy is converted into heat energy.If in general, heat energy produced when luminous LED can not be exported, it will make LED junction
Face temperature is too high, and then influences product life cycle, luminous efficiency and stability, therefore, to lift the hot separate tube of LED information display system
Reason is become for an important topic with design, before LED heat dissipation problems are understood, it is necessary to first understand its sinking path, Jin Erzhen
Radiating bottleneck is improved.Meanwhile, LED street lamp is long due to use time, and outdoor environment is harsh, it is necessary to possess good weather-proof
Performance can meet requirement.
And the heat dispersion of heat radiation coating on the market cannot concurrently reach optimal technical barrier with weather resistance at present,
It is universal to be used in aluminium industry, based on the fluorocarbon coating of good weatherability, to the radiating key technology of compound heat radiation coating
Tackled key problems, the excellent high-performance radiating weather-resistant coating technology of preparing good with weather resistance of research radiating effect.
The content of the invention
It cannot concurrently reach most preferably with weather resistance it is an object of the invention to the heat dispersion for solving existing heat radiation coating
The problem of propose a kind of compound heat radiating type coating and preparation method thereof.
For up to this purpose, the present invention uses following technical scheme：
A kind of compound heat radiating type coating, its preparing raw material includes following components by weight：28-42 parts of gloss oil, face
0.6-1.2 parts of 8-24 parts of filler, 15-35 parts of solvent and dispersant；
The color stuffing is mixed for radiation evaporation type functional stuffing, conduction type functional stuffing and conduct radiation type functional stuffing
Compound.
It is preferred that, the solvent is slow curing water.Slow curing water can make paint film uniform ground.
It is preferred that, the weight of the radiation evaporation type functional stuffing, conduction type functional stuffing and conduct radiation type functional stuffing
Amount proportioning is (3-11)：(4-10)：(1.0-2.0).Optimal, the weight proportion of three kinds of fillers is 8:7:1.8.
It is preferred that, the radiation evaporation type functional stuffing is polyaniline nano fiber.
It is preferred that, the conduction type functional stuffing is aluminum paste.
It is preferred that, the conduct radiation type functional stuffing is graphene oxide powder.
It is preferred that, the radiation evaporation type functional stuffing is polyaniline nano fiber；The conduction type functional stuffing is aluminium
Silver paste；The conduct radiation type functional stuffing is graphene oxide powder.
It is preferred that, the dispersant be azo polyether polyeste, organic-silicon-modified sodium phosphate and calgon in extremely
Few one kind.
It is preferred that, the gloss oil, its preparing raw material includes following components by weight：15-25 parts of polyvinylidene fluoride,
40-65 parts of 16-22 parts of polymethyl methacrylate and solvent.
This two kinds of polyvinylidene fluoride, polymethyl methacrylate are as final film forming matter, with weather-proof function, because
This gloss oil being made can wrap the color stuffing being made up of polyaniline nano fiber, aluminum paste and graphene oxide powder well,
So that aluminium will not be contacted directly with oxygen, the process of oxidation is delayed.Simultaneously gloss oil there is excellent weatherability, it is durability, resistance to
The performance such as chemicals, anti-corrosive properties, insulating properties and non-adhesive and anti-pollution.
It is preferred that, the preparing raw material of the gloss oil also includes 15-25 parts of ethylene glycol monobutyl ether.
Ethylene glycol monobutyl ether has the effect of regulation viscosity, and the process of convenient stirring, low viscosity stirs well；Simultaneously
Adjust application property, convenient construction.
It is preferred that, prepare the solvent of gloss oil one or more for cyclohexanone, butanone or toluene.
It is further preferred that the solvent includes 13-18 parts of 15-25 parts of cyclohexanone, 12-20 parts of butanone and toluene.
The solvent that cyclohexanone, butanone or toluene one or more are constituted can be solved when preparing gloss oil due to weather and ring
The defect that border etc. is brought.Temperature is high, then solvent volatile ratio is very fast, so the slow solvent of evaporation rate such as cyclohexanone is needed to use,
Temperature is low, then solvent volatilization is slow, so needing to use evaporation rate than faster solvent such as butanone.And toluene is added, together
When can reduce cost using three kinds of solvents.
The preparation method of compound heat radiation coating as described in above-mentioned any one, it comprises the following steps：
A) gloss oil, is prepared；
B), by gloss oil 28-42 made from 9-24 parts of color stuffing, 15-35 parts of solvent, 0.6-1.2 parts of dispersant and step a)
Part mixing；
C), step b) acquisition mixtures are stirred 18-25 minutes under the low speed, that is, compound heat radiation coating is made.
Need to stir under the low speed and avoid damage to aluminum paste, aluminum paste is stirred at high speeds can broken blackening.
It is preferred that, the gloss oil is prepared via a method which, it comprises the following steps：
1), by butanone 12-20 parts be added in the container of water-bath, stirred with 1500~1700rpm speed, while even
Speed adds 15-25 parts of polyvinylidene fluoride, and addition speed is 50~60g/min；Polyvinylidene fluoride addition stops stirring after finishing
Mix, stand and 30-45min is stirred with 2500~2700rpm again after 15-30min, obtain resin dispersion liquid；
2), by 16-22 parts of polymethyl methacrylate, 15-25 parts of cyclohexanone, 13-18 parts of toluene and ethylene glycol monobutyl ether
15-25 parts pre-dispersed uniform with high speed dispersor；Obtain mill base；
3), scattered resin dispersion liquid and mill base are well mixed under agitation, are being ground to fineness≤25 μm,
Gloss oil is made.
High-speed stirred so that material is scattered evenly.
It is preferred that, in step 3) in, grinding temperature is less than 40 DEG C.In production stage, temperature control is most important, is taken the photograph higher than 40
Family name's degree, polyvinylidene fluoride is understood gel and can not scatter, and fineness requirement is≤25 μm for application property, operability.
The present invention, according to thermal conduction mechanism, radiation evaporation type, conduction type and conduct radiation type function is filled out using gloss oil as matrix
Material is compounded, and using radiation, evaporation and the collaboration conduction effect of heat filling, there is provided a kind of heat-conducting effect and weatherability are same
When reach the good high-performance heat radiation coating of optimal, combination property, when being applied in LED lamp industry, enable to LED
Endogenous heat produced by pearl is quickly delivered to cover surface, produces preferably radiating effect.
Embodiment
Technical scheme is further illustrated below by embodiment.
Illustrate herein, the following is the section Example enumerated, be not construed as limiting the invention.
Embodiment 1
A kind of compound heat radiation coating, it comprises the following steps,
A) gloss oil, is prepared；
B) it is, that 3 parts of aluminum paste, 6 parts of polyaniline nano fiber, 1 part of graphene oxide powder, 15 parts of slow curing water, modification is organic
The 28 parts of mixing of 1 part of siloxanes and gloss oil made from step a)；
C), the step b) mixtures obtained are stirred 20 minutes under the low speed, that is, compound heat radiation coating is made.
The preparation of gloss oil, comprises the following steps,
1), by butanone 15 parts be added in the container of water-bath, stirred with 1500rpm speed, while at the uniform velocity adding poly-
23 parts of vinylidene fluoride, addition speed is 55g/min；Polyvinylidene fluoride addition stops stirring after finishing, and stands after 20min again
35min is stirred with 2500rpm, resin dispersion liquid is obtained；
2) it is, that 18 parts of 18 parts of polymethyl methacrylate, 25 parts of cyclohexanone and ethylene glycol monobutyl ether is pre- with high speed dispersor
It is uniformly dispersed；Obtain mill base；
3), scattered resin dispersion liquid and mill base are well mixed under agitation, are being ground to fineness≤25 μm,
Gloss oil is made.
Embodiment 2
A kind of compound heat radiation coating, it comprises the following steps
A) gloss oil, is prepared；
B), by 6 parts of aluminum paste, 10 parts of polyaniline nano fiber, 1.5 parts of graphene oxide powder, 20 parts of slow curing water, organosilicon
The 40 parts of mixing of 0.6 part of modified phosphate sodium and gloss oil made from step a)；
C), the step b) mixtures obtained are stirred 18 minutes under the low speed, that is, compound heat radiation coating is made.
The preparation of gloss oil, comprises the following steps,
1), by butanone 12 parts be added in the container of water-bath, stirred with 1650rpm speed, while at the uniform velocity adding poly-
15 parts of vinylidene fluoride, addition speed is 50g/min；Polyvinylidene fluoride addition stops stirring after finishing, and stands after 15min again
30min is stirred with 2600rpm, resin dispersion liquid is obtained；
2), by 15 parts of 16 parts of polymethyl methacrylate, 18 parts of cyclohexanone, 13 parts of toluene and ethylene glycol monobutyl ether with a high speed
Dispersion machine is pre-dispersed uniform；Obtain mill base；
3), scattered resin dispersion liquid and mill base are well mixed under agitation, are being ground to fineness≤25 μm,
Gloss oil is made.
Embodiment 3
A kind of compound heat radiation coating, it comprises the following steps
A) gloss oil, is prepared；
B), by 9 parts of aluminum paste, 11 parts of polyaniline nano fiber, 2 parts of graphene oxide powder, 30 parts of slow curing water, hexa metaphosphoric acid
0.8 part of sodium, the 42 parts of mixing of 0.4 part of azo polyether polyeste and gloss oil made from step a)；
C), the step b) mixtures obtained are stirred 25 minutes under the low speed, that is, compound heat radiation coating is made.
The preparation of gloss oil, comprises the following steps,
1), by butanone 18 parts be added in the container of water-bath, stirred with 1550rpm speed, while at the uniform velocity adding poly-
22 parts of vinylidene fluoride, addition speed is 58g/min；Polyvinylidene fluoride addition stops stirring after finishing, and stands after 25min again
40min is stirred with 2650rpm, resin dispersion liquid is obtained；
2), 22 parts of 22 parts of polymethyl methacrylate, 42 parts of toluene and ethylene glycol monobutyl ether are divided in advance with high speed dispersor
Dissipate uniform；Obtain mill base；
3), scattered resin dispersion liquid and mill base are well mixed under agitation, are being ground to fineness≤25 μm,
Gloss oil is made.
Embodiment 4
A kind of compound heat radiation coating, it comprises the following steps
A) gloss oil, is prepared；
B), 12 parts of aluminum paste, 9 parts of polyaniline nano fiber, 1.2 parts of graphene oxide powder, 35 parts of slow curing water, modification are had
32 parts of 0.3 part of organic siloxane, 0.2 part of organic-silicon-modified sodium phosphate, 0.3 part of calgon and gloss oil made from step a) are mixed
Close；
C), the step b) mixtures obtained are stirred 22 minutes under the low speed, that is, compound heat radiation coating is made.
The preparation of gloss oil, comprises the following steps,
1), by butanone 55 parts be added in the container of water-bath, stirred with 1700rpm speed, while at the uniform velocity adding poly-
25 parts of vinylidene fluoride, addition speed is 60g/min；Polyvinylidene fluoride addition stops stirring after finishing, and stands after 30min again
45min is stirred with 2700rpm, resin dispersion liquid is obtained；
2) it is, that 25 parts of 20 parts of polymethyl methacrylate and ethylene glycol monobutyl ether is pre-dispersed uniform with high speed dispersor；
To mill base；
3), scattered resin dispersion liquid and mill base are well mixed under agitation, are being ground to fineness≤25 μm,
Gloss oil is made.
Comparative example 1
One kind radiating weather-resistant coating, its preparing raw material includes following components by weight,
Common 0.8 part of 45 parts of gloss oil, 1.8 parts of graphene oxide powder, 25 parts of isophorone and sodium polyacrylate.
Comparative example 2
One kind radiating weather-resistant coating, its preparing raw material includes following components by weight,
0.8 part of 45 parts, 13 parts polyaniline nano fibers of common gloss oil, 22 parts of butanone and sodium polyacrylate.
Comparative example 3
One kind radiating weather-resistant coating, its preparing raw material includes following components by weight,
Common 0.8 part of 45 parts of gloss oil, 10 parts of aluminum paste, 24 parts of butanone and sodium polyacrylate.
Common gloss oil in comparative example 1, comparative example 2 and comparative example 3 includes following original by weight
Material is prepared from：40 parts of Hydroxylated acrylic resin, 20 parts of ethyl acetate, 15 parts of acetone, 20 parts of talcum powder, 1 part of organic silicone oil and
10 parts of polyvinyl chloride.
Performance detection：Performance detection, detection are carried out to embodiment 1-4 and comparative example 1-3 compound heat radiation coating
It the results are shown in Table 1.
Experimental rig：Be made the chest that size is 500mm × 300mm × 500mm of the thick planks of 30mm, surface place every
Hot glue layer, two 40 watts of incandescent light bulbs are loaded onto in the upper surface of chest, are separated by 300mm, place temperature thermocouple (not with owning
Object is contacted, and is only surveyed air themperature, is done outer application using the aluminium pot that can completely enclose bulb and be used as test plate (panel).
Experimental enviroment：Indoor test, incandescent light bulb first open half it is small more than, make bulb heating balance, needed during measurement tight
Door and window is closed, it is 0 to make ambient wind velocity, reduces test error as far as possible.
Testing procedure：1. the aluminium pot of blank sample and heat radiation coating sample is covered on into the bulb that two radiatings determine device respectively
On, make thermocouple in aluminium pot, but do not contact aluminium pot；2. two models are recorded under same time point in aluminium pot every 10min
Temperature；When being 3. no more than 1 DEG C (being considered as to equilibrium temperature) to temperature change, now the temperature in stream oriented device aluminium pot, which is subtracted each other, produces
The radiating temperature difference of heat radiation coating.
The embodiment 1-4 of table 1 and comparative example 1-3 performance test results
Drawn by table 1, the radiating Temperature Difference Ratio comparative example 1-3 of embodiment 1-4 compound heat radiation coating is big, thus
The radiating effect for going out compound heat radiation coating produced by the present invention is optimal, and weatherability relatively strong, service life is long, while cost
It is low.
Embodiment group 5
A kind of compound heat radiation coating, it comprises the following steps
A) gloss oil, is prepared；
B), by aluminum paste (addition of according to the form below 2 to add), 8 parts of polyaniline nano fiber, graphene oxide powder 1.8
35 parts of mixing of gloss oil made from part, 17.5 parts of slow curing water, 0.8 part of azo polyether polyeste and step a)；
C), the step b) mixtures obtained are stirred 22 minutes under the low speed, that is, compound heat radiation coating is made.
The preparation of gloss oil, comprises the following steps,
1), by butanone 17 parts be added in the container of water-bath, stirred with 1700rpm speed, while at the uniform velocity adding poly-
21 parts of vinylidene fluoride, addition speed is 55g/min；Polyvinylidene fluoride addition stops stirring after finishing, and stands after 24min again
42min is stirred with 2600rpm, resin dispersion liquid is obtained；
2), by 16 parts of 19 parts of polymethyl methacrylate, 22 parts of cyclohexanone, 14 parts of toluene and ethylene glycol monobutyl ether with a high speed
Dispersion machine is pre-dispersed uniform；Obtain mill base；
3), scattered resin dispersion liquid and mill base are well mixed under agitation, are being ground to fineness≤25 μm,
Gloss oil is made.
The weather-proof influence of radiating of the aluminum paste addition of table 2 to coating
| Embodiment | Aluminum paste addition/part | Radiate the temperature difference | Efflorescence/level | Discoloration/level |
| Contrast groups 5-1 | 3 | 8.1 | 1 | 1 |
| Contrast groups 5-2 | 5 | 8.3 | 1 | 1 |
| Contrast groups 5-3 | 7 | 9.8 | 1 | 1 |
| Contrast groups 5-4 | 8 | 9.3 | 1 | 1 |
| Contrast groups 5-5 | 9 | 9.1 | 1 | 1 |
| Contrast groups 5-6 | 10 | 8.8 | 1 | 1 |
| Contrast groups 5-7 | 11 | 8.6 | 0.8 | 0.8 |
| Contrast groups 5-8 | 12 | 8.5 | 0.8 | 0.8 |
It can be obtained from the experimental data of the embodiment group 5 of table 2, the addition of aluminum paste significantly improves heat dispersion.Aluminium is a kind of
Good Heat Conduction Material, content is more in film, then faster, with the increase of aluminum paste consumption, film dissipates for heat conduction
The hot temperature difference is also in increase, but when consumption increases to 7 parts, and the heat-insulated temperature difference of film is 9.8 DEG C, and the radiating temperature difference of film reaches maximum
Value；And increase after 7 parts, the radiating temperature difference of film has just weakened.
Embodiment group 6
A) gloss oil, is prepared；
B), by 7 parts of aluminum paste, polyaniline nano fiber (addition of according to the form below 3 to add), graphene oxide powder 1.8
35 parts of mixing of gloss oil made from part, 17.5 parts of slow curing water, 1.1 parts of azo polyether polyeste and step a)；
C), the step b) mixtures obtained are stirred 24 minutes under the low speed, that is, compound heat radiation coating is made.
The preparation of gloss oil, comprises the following steps,
1), by butanone 17 parts be added in the container of water-bath, stirred with 1700rpm speed, while at the uniform velocity adding poly-
21 parts of vinylidene fluoride, addition speed is 55g/min；Polyvinylidene fluoride addition stops stirring after finishing, and stands after 24min again
42min is stirred with 2600rpm, resin dispersion liquid is obtained；
2), by 16 parts of 19 parts of polymethyl methacrylate, 22 parts of cyclohexanone, 14 parts of toluene and ethylene glycol monobutyl ether with a high speed
Dispersion machine is pre-dispersed uniform；Obtain mill base；
3), scattered resin dispersion liquid and mill base are well mixed under agitation, are being ground to fineness≤25 μm,
Gloss oil is made.
The weather-proof influence of radiating of the addition of the polyaniline nano fiber of table 3 to coating
| Embodiment | Polyaniline nano fiber dosage/part | Radiate the temperature difference | Efflorescence/level | Discoloration/level |
| Contrast groups 6-1 | 4 | 8.1 | 1 | 1 |
| Contrast groups 6-2 | 5 | 8.2 | 1 | 1 |
| Contrast groups 6-3 | 6 | 8.6 | 1 | 1 |
| Contrast groups 6-4 | 7 | 9.2 | 1 | 1 |
| Contrast groups 6-5 | 8 | 9.8 | 1 | 1 |
| Contrast groups 6-6 | 9 | 9.0 | 1 | 1 |
| Contrast groups 6-7 | 10 | 8.5 | 1 | 1 |
| Contrast groups 6-8 | 11 | 8.3 | 1 | 1 |
It can be drawn by table 3, when polyaniline nano fiber consumption is more, radiate the radiating temperature difference of evaporation type heat radiation coating film
It is bigger, but after consumption is 8, the radiating temperature difference of film has just weakened；And the increase of evaporation type heat radiation coating is radiated simultaneously
Coating cost is caused substantially will significantly to rise, and influence coating levelability.Therefore, in addition polyaniline nano fiber
When, it is necessary to consider on the premise of not influenceing film performance, while in view of in the case of coating cost, adding Nano fiber polyaniline
The consumption of dimension.Drawn from table 3, when the consumption of polyaniline nano fiber is 8 parts, the heat-insulated temperature difference is up to 9.8 DEG C of maximum.
Embodiment group 7
A) gloss oil, is prepared；
B), by 7 parts of aluminum paste, 8 parts of polyaniline nano fiber, graphene oxide powder (addition of according to the form below 4 to add),
17.5 parts of slow curing water, the 35 parts of mixing of 0.9 part of azo polyether polyeste and gloss oil made from step a)；
C), the step b) mixtures obtained are stirred 24 minutes under the low speed, that is, compound heat radiation coating is made.
The preparation of gloss oil, comprises the following steps,
1), by butanone 17 parts be added in the container of water-bath, stirred with 1700rpm speed, while at the uniform velocity adding poly-
21 parts of vinylidene fluoride, addition speed is 55g/min；Polyvinylidene fluoride addition stops stirring after finishing, and stands after 24min again
42min is stirred with 2600rpm, resin dispersion liquid is obtained；
2), by 16 parts of 19 parts of polymethyl methacrylate, 22 parts of cyclohexanone, 14 parts of toluene and ethylene glycol monobutyl ether with a high speed
Dispersion machine is pre-dispersed uniform；Obtain mill base；
3), scattered resin dispersion liquid and mill base are well mixed under agitation, are being ground to fineness≤25 μm,
Gloss oil is made.
The weather-proof influence of radiating of the addition of the graphene oxide powder of table 4 to coating
| Embodiment | Graphene oxide powder dosage/part | Radiate the temperature difference | Efflorescence/level | Discoloration/level |
| Contrast groups 7-1 | 1 | 8.6 | 1 | 1 |
| Contrast groups 7-2 | 1.2 | 8.8 | 1 | 1 |
| Contrast groups 7-3 | 1.4 | 9.1 | 1 | 1 |
| Contrast groups 7-4 | 1.5 | 9.3 | 1 | 1 |
| Contrast groups 7-5 | 1.7 | 9.4 | 1 | 1 |
| Contrast groups 7-6 | 1.8 | 9.8 | 1 | 1 |
| Contrast groups 7-7 | 1.9 | 9.5 | 1 | 1 |
| Contrast groups 7-8 | 2.0 | 8.9 | 1 | 1 |
It can be drawn by table 4, when graphene oxide powder consumption is more, the radiating temperature difference of radiation evaporation type heat radiation coating film is got over
Greatly, but after consumption is 1.8, the radiating temperature difference of film has just weakened；And cause coating cost with the increase of amount
Directly increase, also result in paint viscosity and substantially rise, occur in that thixotropy, influence coating application, therefore, stone is aoxidized in addition
, it is necessary to consider on the premise of not influenceing film performance during black alkene powder, while in view of in the case of coating cost, addition aoxidizes stone
The consumption of black alkene powder.Drawn from table 4, when the consumption of graphene oxide powder is 1.8 parts, the improvement to film heat dispersion is imitated
Substantially, the radiating temperature difference is up to 9.8 DEG C of maximum for fruit.
In summary, in the optimum formula of compound heat radiation coating, the weight ratio of three kinds of heat sinking function fillers is radiation
Evaporation type (polyaniline nano fiber), conduction type (aluminum paste), conduct radiation type (graphene oxide powder)=8：7：1.8.
Embodiment group 8
A) gloss oil, is prepared；
B), by 7 parts of aluminum paste, 8 parts of polyaniline nano fiber, 1.8 parts of graphene oxide powder, 17.5 parts of slow curing water, modification
0.6 part of organosiloxane and gloss oil made from step a) (addition of according to the form below 5 to add) mixing；
C), the step b) mixtures obtained are stirred 24 minutes under the low speed, that is, compound heat radiation coating is made.
The preparation of gloss oil, comprises the following steps,
1), by butanone 17 parts be added in the container of water-bath, stirred with 1700rpm speed, while at the uniform velocity adding poly-
21 parts of vinylidene fluoride, addition speed is 55g/min；Polyvinylidene fluoride addition stops stirring after finishing, and stands after 24min again
42min is stirred with 2600rpm, resin dispersion liquid is obtained；
2), by 16 parts of 19 parts of polymethyl methacrylate, 22 parts of cyclohexanone, 14 parts of toluene and ethylene glycol monobutyl ether with a high speed
Dispersion machine is pre-dispersed uniform；Obtain mill base；
3), scattered resin dispersion liquid and mill base are well mixed under agitation, are being ground to fineness≤25 μm,
Gloss oil is made.
The weather-proof influence of radiating of the addition of the gloss oil of table 5 to coating
| Embodiment | Gloss oil addition/part | Radiate the temperature difference | Efflorescence/level | Discoloration/level |
| Contrast groups 5-1 | 28 | 8.2 | 0.8 | 0.8 |
| Contrast groups 5-2 | 31 | 8.5 | 0.8 | 0.8 |
| Contrast groups 5-3 | 32 | 8.8 | 1 | 1 |
| Contrast groups 5-4 | 33 | 9.2 | 1 | 1 |
| Contrast groups 5-5 | 35 | 9.8 | 1 | 1 |
| Contrast groups 5-6 | 38 | 8.9 | 1 | 1 |
| Contrast groups 5-7 | 40 | 8.7 | 1 | 1 |
| Contrast groups 5-8 | 42 | 8.3 | 1 | 1 |
It can be drawn by table 5, by gloss oil with the increase of addition, its weatherability becomes strong, but with the increase of amount,
Radiating effect has weakened；That is gloss oil addition is very few, it is impossible to wrap color stuffing, causes weatherability to reduce, excessively, in film
Resin part is too many, is unfavorable for radiating.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and limiting the scope of the invention can not be construed in any way.Based on explanation herein, the technology of this area
Personnel, which would not require any inventive effort, can associate other embodiments of the present invention, and these modes are fallen within
Within protection scope of the present invention.
Claims (4)
1. a kind of compound heat radiating type coating, it is characterised in that：Its preparing raw material includes following components by weight：Gloss oil
0.6-1.2 parts of 28-42 parts, 8-24 parts of color stuffing, 15-35 parts of solvent and dispersant；
The color stuffing is the mixing of radiation evaporation type functional stuffing, conduction type functional stuffing and conduct radiation type functional stuffing
Thing；
The gloss oil, its preparing raw material includes following components by weight：15-25 parts of polyvinylidene fluoride, polymethyl
Sour methyl esters 16-22 parts and 40-65 parts of solvent；
Prepare the solvent of gloss oil one or more for cyclohexanone, butanone or toluene；
The radiation evaporation type functional stuffing is polyaniline nano fiber；The conduction type functional stuffing is aluminum paste；The spoke
Conduction type functional stuffing is penetrated for graphene oxide powder.
2. a kind of compound heat radiating type coating according to claim 1, it is characterised in that：The radiation evaporation type function is filled out
The weight proportion of material, conduction type functional stuffing and conduct radiation type functional stuffing is (3-11)：(4-10)：(1.0-2.0).
3. a kind of compound heat radiating type coating according to claim 1, it is characterised in that：The preparing raw material of the gloss oil
Also include 15-25 parts of ethylene glycol monobutyl ether.
4. the preparation method of the compound heat radiating type coating as described in claim 2-3 any one, it is characterised in that：It is wrapped
Include following steps：
A) gloss oil, is prepared；
B) it is, that 28-42 parts of gloss oil made from 9-24 parts of color stuffing, 15-35 parts of solvent, 0.6-1.2 parts of dispersant and step a) is mixed
Close；
C), step b) acquisition mixtures are stirred 18-25 minutes under the low speed, that is, compound heat radiating type coating is made.
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| CN106978011B (en) * | 2017-03-06 | 2020-12-15 | 阜阳欣奕华材料科技有限公司 | Writing ink composition |
| CN109608986A (en) * | 2018-12-10 | 2019-04-12 | 中昊北方涂料工业研究设计院有限公司 | A kind of heat exchanger graphene high thermal conductivity anticorrosive paint and preparation method thereof |
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| CN101531852B (en) * | 2009-04-13 | 2011-04-13 | 湖南湘江涂料集团有限公司 | Spraying type fluorocarbon metallic paint and application thereof in aluminium alloy sections of buildings |
| CN101659829B (en) * | 2009-09-27 | 2012-08-29 | 西安华捷奥海新材料有限公司 | Infrared radiation composite radiating coating and preparation method and spraying method thereof |
| JP5931344B2 (en) * | 2010-03-25 | 2016-06-08 | 鹿島建設株式会社 | Thermal radiation coating composition, thermal radiation coating material and method for producing thermal radiation coating material |
| CN101824251A (en) * | 2010-05-07 | 2010-09-08 | 杭州美多乐化工有限公司 | Polyvinylidene fluoride type fluorocarbon resin super weather-resistant coating and production method thereof |
| CN104087093B (en) * | 2014-06-30 | 2016-05-04 | 华南理工大学 | A kind of for LED lamp heat radiation coating and preparation method thereof |
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