CN108453029A - A kind of application method based on photocuring graphene heat radiation coating - Google Patents
A kind of application method based on photocuring graphene heat radiation coating Download PDFInfo
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- CN108453029A CN108453029A CN201810040686.5A CN201810040686A CN108453029A CN 108453029 A CN108453029 A CN 108453029A CN 201810040686 A CN201810040686 A CN 201810040686A CN 108453029 A CN108453029 A CN 108453029A
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- 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
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- 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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
Abstract
The present invention relates to technical field of coatings, disclose a kind of application method based on photocuring graphene heat radiation coating.Present invention introduces graphene quantum dots to be added to as additive in graphene heat radiation coating, further increases the dispersibility of graphene, prevents from reuniting, and compares high molecular surfactant and dispersant, and will not introduce new impurity reduces electric conductivity；And by light curing agent ultraviolet light or laser beam effect, so that organic monomer chemical crosslinking or physical crosslinking are at three-dimensional network-like structure, graphene is got up by polymer molecule or polymer monomer package isolation immediately, graphene is effectively overcome from the generation reunited, improves the heat conduction and heat radiation performance of coating.
Description
Technical field
The present invention relates to technical field of coatings, are made based on photocuring graphene heat radiation coating more particularly, to a kind of
Use method.
Background technology
Heat radiation coating not only has the basic function of decoration as a kind of new coating, while having raising radiating efficiency
Effect, receive extensive attention and study.However, most heat radiation coatings on the market are using expensive at present
Heat transfer medium as filler, production process is complex and costly, is unfavorable for mass production and the scale application of coating.
Graphene is a kind of arranged according to hexagon by carbon atom and carbon molecules made of being connected with each other, structure are non-
Often stablize, is presently found most thin, maximum intensity, a kind of strongest novel nano-material of electrical and thermal conductivity performance.Graphene is led
Hot coefficient is up to 5000W/mK, can extensively be answered in fields such as coating, electronics, space flight military project, new energy, new materials
With.Therefore, graphene is prepared heat radiation coating as main heat sink medium becomes research hotspot.
Existing graphene heat radiation coating generally use direct spraying method needs to add to improve the mechanical property of coating
Enter appropriate heat reactive resin, but heat reactive resin curing rate is slow, influences its using effect, simultaneously as heat reactive resin
Solidification temperature it is higher, requirement to basis material high temperature resistance is harsh.On the other hand, existing graphene heat radiation coating
In, since graphene is easy cohesion, cause it to disperse in coating uneven, so that the conduction and heat conductivility of coating are not
It is good.In order to reduce the cohesion between graphene, stability of the graphene in heat radiation coating is improved, it usually needs addition polyethylene
The chemicals such as wax, polyvinyl chloride, polyvinylpyrrolidone are as dispersant or surfactant, although adding above-mentioned dispersant
The cohesion between graphene can be reduced to a certain extent, but volatilized in radiation processes using chemicals, harmful to human and
Environment.
Invention content
In order to solve the problems in the prior art, the purpose of the present invention is to introduce graphene quantum dot and be added to as additive
In graphene heat radiation coating, and light is drawn into method and spray coating method combination, provided a kind of based on photocuring graphene heat radiation coating
Application method.
The present invention is achieved by the following technical solutions：
A kind of application method based on photocuring graphene heat radiation coating, includes the following steps：
S1. graphene heat radiation coating is prepared：
S11., graphene quantum dot, graphene, monomer and solvent are carried out to mixed grinding, shearing under ultrasonication, surpassed
Acoustical power is 1000~1200W, and the time is 40~60min, obtains composite slurry material；
S12. it after Lauxite, auxiliary agent and carbon nanotube being added into composite slurry material made from step S11, is stirred
It mixes, rotating speed is 1000~1200rpm, and mixing time is 2~4h, obtains graphene heat dissipation slurry；
S13. heat-conducting metal powder is added in the graphene heat dissipation slurry that step S12 is obtained, is sufficiently stirred, rotating speed 1200
~1500rpm, mixing time is 2~3h, after mixing up to graphene heat radiation coating；
Wherein, in step S1, the graphene heat radiation coating is made of following parts by weight of component：6~12 parts of graphene, urea
50~70 parts of urea formaldehyde, 20~70 parts of monomer, 25~35 parts of auxiliary agent, 12~30 parts of graphene quantum dot, heat-conducting metal powder 2~5
12~24 parts of part, 3~6 parts of carbon nanotube and solvent；
S2. it sprays：
Light curing agent is added in the graphene heat radiation coating obtained to step S1, addition is 0.1~1wt% of monomer,
By design configuration spray on the surface of the substrate, whole process is carried out under the atmosphere of ultraviolet light or laser beam, wavelength be 365~
405nm。
Graphene quantum dot is introduced into step S1 of the present invention to be added in graphene heat radiation coating as additive, further
Ground increases the dispersibility of graphene, prevents from reuniting, and compares high molecular surfactant and dispersant, will not introduce new impurity drop
Low electric conductivity energy；In step S2 by light curing agent ultraviolet light or laser beam effect so that organic monomer be chemically crosslinked or
It is physical crosslinking into three-dimensional network-like structure, graphene is got up by polymer molecule or polymer monomer package isolation immediately, effectively
Graphene is overcome from the generation reunited, improves heat conduction and heat radiation performance.
In order to reduce hardening time, spraying process carries out under certain temperature atmosphere the present invention always, so as to accelerate to have
The polymerization of machine monomer so that the graphene heat radiation coating for being sprayed on matrix surface cures rapidly, can be obtained after the completion of spraying
The film of all solidstate, and due to being under certain temperature atmosphere, without re-sintering.
Further, graphene described in step S1 is the graphene less than five layers.
Further, solvent described in step S1 is any one in water, dimethylbenzene, butanone.
Further, graphene quantum dot described in step S1 is various carbon sources through strong acid oxidizing process, Two-step anodization, water
What hot method or solvent-thermal method were prepared；The size of the graphene quantum dot is 2~4nm.
Further, monomer described in step S1 is N, N- methylene bisacrylamide acyls.
Further, light curing agent described in step S2 is light curing agent 819.
Further, matrix described in step S2 is the electronics device of day electronic product and Aeronautics and Astronautics or military field
Any one in part.
Further, the auxiliary agent is made of 12~15 parts of antifoaming agent and 1~5 part of antioxidant.
Further, the antifoaming agent is any one in silicone emulsion, organosiloxane, polypropylene glycerol aether.
Further, the antioxidant is any one in ascorbic acid and sodium sulfite.
Further, the heat-conducting metal powder is any one in copper powder, silver powder and aluminium powder, and granularity is 5~10 μm.
Further, purity >=96wt% of the carbon nanotube, ash content≤0.4wt%, specific surface area is about 100~
200m2/g。
Compared with prior art, the invention has the advantages that：
Present invention introduces graphene quantum dots to be added to as additive in graphene heat radiation coating, utilizes graphene quantum
Point good dispersibility, and its stronger noncovalent interaction between graphene sheet layer in a solvent, promotes graphene in solvent
Stable dispersion, compare conventional polymer surfactant and dispersant, will not introduce new impurity reduces heat conductivility.Together
When, graphene quantum dot itself has good heat conductivility, can increase substantially the thermal emissivity rate of heat radiation coating, improves and applies
The heat dissipation performance of material.Graphene quantum dot is added in heat radiation coating can also effectively reduce the cohesion between graphene, improve stone
Stability of the black alkene in heat radiation coating, keeps it evenly dispersed in coating, and radiation processes not will produce harmful to human and
The harmful substance of environment, it is environmentally protective.
The present invention draws method, in graphene solution on the basis of obtaining the graphene solution of good dispersion in conjunction with light
Monomer and crosslinking agent is added, by light curing agent so that monomer chemistries crosslinking or physical crosslinking are at three-dimensional network-like structure, graphite
Alkene is got up by polymer molecule or polymer monomer package isolation immediately, can not only effectively overcome graphene from the hair reunited
It is raw, improve electric conductivity.
The present invention draws method using light, by light curing agent (photoinitiator) under the action of ultraviolet light or laser beam, makes
Coating rapid curing is obtained, can be obtained the coating being fully cured after the completion of spraying, compares heat cure or normal temperature cure, is reduced
Hardening time, high temperature resistance no requirement (NR) to matrix.
Specific implementation mode
It is further illustrated the present invention with reference to specific embodiment.Unless stated otherwise, it is used in the embodiment of the present invention
Raw material and raw material and conventional use of method, used equipment that method is this field regular market purchase are that this field is routinely set
It is standby.
Embodiment 1
The present embodiment provides one kind being based on photocuring Graphene conductive ink printing process, includes the following steps：
S1. graphene heat radiation coating is prepared：
S11., graphene quantum dot, graphene, monomer and solvent are carried out to mixed grinding, shearing under ultrasonication, surpassed
Acoustical power is 1000W, and time 60min obtains composite slurry material；
S12. it after Lauxite, auxiliary agent and carbon nanotube being added into composite slurry material made from step S11, is stirred
It mixes, rotating speed is 1000~1200rpm, and mixing time is 2~4h, obtains graphene heat dissipation slurry；
S13. heat-conducting metal powder is added in the graphene heat dissipation slurry that step S12 is obtained, is sufficiently stirred, rotating speed 1200
~1500rpm, mixing time is 2~3h, after mixing up to graphene heat radiation coating；
Wherein, in step S1, the graphene heat radiation coating is made of following parts by weight of component：6 parts of graphene, ureaformaldehyde tree
50 parts of fat, N, 20 parts of N- methylene bisacrylamides acyl, 12 parts of graphene quantum dot, 5 parts of heat-conducting metal powder, 3 parts of carbon nanotube, solvent
1 part of 12 parts, 16 parts of antifoaming agent and antioxidant；
Wherein, graphene described in step S1 is the graphene less than five layers, and the graphene quantum dot is various carbon sources
It is prepared through strong acid oxidizing process, Two-step anodization, hydro-thermal method or solvent-thermal method；The size of the graphene quantum dot is
2nm；
The antifoaming agent is any one in silicone emulsion, organosiloxane, polypropylene glycerol aether；
The antioxidant is any one in ascorbic acid and sodium sulfite；
The heat-conducting metal powder is aluminium powder, and granularity is 5 μm；Purity >=96wt% of the carbon nanotube, ash content≤
0.2wt%, specific surface area are 100~200m2/g。
S2. it sprays：
Light curing agent 819 is added in the graphene heat radiation coating obtained to step S1, addition is the 0.1wt% of monomer,
It is sprayed on matrix surface, whole process is carried out under the atmosphere of ultraviolet light or laser beam, and wavelength is 365~405nm.
Matrix described in step S2 is any one in day electronic product and Aeronautics and Astronautics or the electronic device of military field
Kind.
Embodiment 2
The present embodiment provides one kind being based on photocuring Graphene conductive ink printing process, includes the following steps：
S1. graphene heat radiation coating is prepared：
S11., graphene quantum dot, graphene, monomer and solvent are carried out to mixed grinding, shearing under ultrasonication, surpassed
Acoustical power is 1200W, and time 40min obtains composite slurry material；
S12. it after Lauxite, auxiliary agent and carbon nanotube being added into composite slurry material made from step S11, is stirred
It mixes, rotating speed is 1000~1200rpm, and mixing time is 2~4h, obtains graphene heat dissipation slurry；
S13. heat-conducting metal powder is added in the graphene heat dissipation slurry that step S12 is obtained, is sufficiently stirred, rotating speed 1200
~1500rpm, mixing time is 2~3h, after mixing up to graphene heat radiation coating；
Wherein, in step S1, the graphene heat radiation coating is made of following parts by weight of component：12 parts of graphene, ureaformaldehyde
70 parts of resin, N, it is 70 parts of N- methylene bisacrylamides acyl, 30 parts of graphene quantum dot, 2 parts of heat-conducting metal powder, 6 parts of carbon nanotube, molten
5 parts of 24 parts of agent, 12 parts of antifoaming agent and antioxidant；
Wherein, graphene described in step S1 is the graphene less than five layers, and the graphene quantum dot is various carbon sources
It is prepared through strong acid oxidizing process, Two-step anodization, hydro-thermal method or solvent-thermal method；The size of the graphene quantum dot is
4nm；
The antifoaming agent is any one in silicone emulsion, organosiloxane, polypropylene glycerol aether；
The antioxidant is any one in ascorbic acid and sodium sulfite；
The heat-conducting metal powder is silver powder, and granularity is 10 μm；Purity >=96wt% of the carbon nanotube, ash content≤
0.2wt%, specific surface area are 100~200m2/g。
S2. it sprays：
Light curing agent 819 is added in the graphene heat radiation coating obtained to step S1, addition is the 1wt% of monomer, spray
On matrix surface, whole process is carried out under the atmosphere of ultraviolet light or laser beam, and wavelength is 365~405nm.
Matrix described in step S2 is any one in day electronic product and Aeronautics and Astronautics or the electronic device of military field
Kind.
Embodiment 3
The present embodiment provides one kind being based on photocuring Graphene conductive ink printing process, includes the following steps：
S1. graphene heat radiation coating is prepared：
S11., graphene quantum dot, graphene, monomer and solvent are carried out to mixed grinding, shearing under ultrasonication, surpassed
Acoustical power is 1100W, and time 50min obtains composite slurry material；
S12. it after Lauxite, auxiliary agent and carbon nanotube being added into composite slurry material made from step S11, is stirred
It mixes, rotating speed is 1000~1200rpm, and mixing time is 2~4h, obtains graphene heat dissipation slurry；
S13. heat-conducting metal powder is added in the graphene heat dissipation slurry that step S12 is obtained, is sufficiently stirred, rotating speed 1200
~1500rpm, mixing time is 2~3h, after mixing up to graphene heat radiation coating；
Wherein, in step S1, the graphene heat radiation coating is made of following parts by weight of component：8 parts of graphene, ureaformaldehyde tree
60 parts of fat, N, 60 parts of N- methylene bisacrylamides acyl, 18 parts of graphene quantum dot, 4 parts of heat-conducting metal powder, 4 parts of carbon nanotube, solvent
4 parts of 18 parts, 15 parts of antifoaming agent and antioxidant；
Wherein, graphene described in step S1 is the graphene less than five layers, and the graphene quantum dot is various carbon sources
It is prepared through strong acid oxidizing process, Two-step anodization, hydro-thermal method or solvent-thermal method；The size of the graphene quantum dot is
3nm；
The antifoaming agent is any one in silicone emulsion, organosiloxane, polypropylene glycerol aether；
The antioxidant is any one in ascorbic acid and sodium sulfite；
The heat-conducting metal powder is silver powder, and granularity is 6 μm；Purity >=96wt% of the carbon nanotube, ash content≤
0.2wt%, specific surface area are 100~200m2/g。
S2. it sprays：
Light curing agent 819 is added in the graphene heat radiation coating obtained to step S1, addition is the 0.5wt% of monomer,
It is sprayed on matrix surface, whole process is carried out under the atmosphere of ultraviolet light or laser beam, and wavelength is 365~405nm.
Matrix described in step S2 is any one in day electronic product and Aeronautics and Astronautics or the electronic device of military field
Kind.
Embodiment 4
The present embodiment provides one kind being based on photocuring Graphene conductive ink printing process, includes the following steps：
S1. graphene heat radiation coating is prepared：
S11., graphene quantum dot, graphene, monomer and solvent are carried out to mixed grinding, shearing under ultrasonication, surpassed
Acoustical power is 1100W, and time 50min obtains composite slurry material；
S12. it after Lauxite, auxiliary agent and carbon nanotube being added into composite slurry material made from step S11, is stirred
It mixes, rotating speed is 1000~1200rpm, and mixing time is 2~4h, obtains graphene heat dissipation slurry；
S13. heat-conducting metal powder is added in the graphene heat dissipation slurry that step S12 is obtained, is sufficiently stirred, rotating speed 1200
~1500rpm, mixing time is 2~3h, after mixing up to graphene heat radiation coating；
Wherein, in step S1, the graphene heat radiation coating is made of following parts by weight of component：9 parts of graphene, ureaformaldehyde tree
65 parts of fat, N, 40 parts of N- methylene bisacrylamides acyl, 24 parts of graphene quantum dot, 3 parts of heat-conducting metal powder, 5 parts of carbon nanotube, solvent
3 parts of 20 parts, 15 parts of antifoaming agent and antioxidant；
Wherein, graphene described in step S1 is the graphene less than five layers, and the graphene quantum dot is various carbon sources
It is prepared through strong acid oxidizing process, Two-step anodization, hydro-thermal method or solvent-thermal method；The size of the graphene quantum dot is
3nm；
The antifoaming agent is any one in silicone emulsion, organosiloxane, polypropylene glycerol aether；
The antioxidant is any one in ascorbic acid and sodium sulfite；
The heat-conducting metal powder is silver powder, and granularity is 8 μm；Purity >=96wt% of the carbon nanotube, ash content≤
0.2wt%, specific surface area are 100~200m2/g。
S2. it sprays：
Light curing agent 819 is added in the graphene heat radiation coating obtained to step S1, addition is the 0.8wt% of monomer,
It is sprayed on matrix surface, whole process is carried out under the atmosphere of ultraviolet light or laser beam, and wavelength is 365~405nm.
Matrix described in step S2 is any one in day electronic product and Aeronautics and Astronautics or the electronic device of military field
Kind.
Comparative example 1
This comparative example is substantially the same manner as Example 4, the difference is that, do not add graphene quantum dot in step S1.
Comparative example 2
This comparative example is substantially the same manner as Example 4, the difference is that, monomer is not added in step S1, correspondingly step
Light curing agent 819 is not added in S2, specifically includes following steps：
S1. graphene heat radiation coating is prepared：
S11., graphene quantum dot, graphene and solvent are carried out to mixed grinding, shearing, ultrasonic power under ultrasonication
Composite slurry material is obtained for 1100W, time 50min；
S12. it after Lauxite, auxiliary agent and carbon nanotube being added into composite slurry material made from step S11, is stirred
It mixes, rotating speed is 1000~1200rpm, and mixing time is 2~4h, obtains graphene heat dissipation slurry；
S13. heat-conducting metal powder is added in the graphene heat dissipation slurry that step S12 is obtained, is sufficiently stirred, rotating speed 1200
~1500rpm, mixing time is 2~3h, after mixing up to graphene heat radiation coating；
Wherein, in step S1, the graphene heat radiation coating is made of following parts by weight of component：9 parts of graphene, ureaformaldehyde tree
65 parts of fat, 24 parts of graphene quantum dot, 3 parts of heat-conducting metal powder, 5 parts of carbon nanotube, 20 parts of solvent, 15 parts of antifoaming agent and anti-oxidation
3 parts of agent；
Wherein, graphene described in step S1 is the graphene less than five layers, and the graphene quantum dot is various carbon sources
It is prepared through strong acid oxidizing process, Two-step anodization, hydro-thermal method or solvent-thermal method；The size of the graphene quantum dot is
3nm；
The antifoaming agent is any one in silicone emulsion, organosiloxane, polypropylene glycerol aether；
The antioxidant is any one in ascorbic acid and sodium sulfite；
The heat-conducting metal powder is silver powder, and granularity is 8 μm；Purity >=96wt% of the carbon nanotube, ash content≤
0.2wt%, specific surface area are 100~200m2/g。
S2. it sprays：
The graphene heat radiation coating that step S1 is obtained is sprayed on matrix surface, is cured under room temperature.
Wherein, graphene described in step S1 is the graphene less than five layers, and the graphene quantum dot is various carbon sources
It is prepared through strong acid oxidizing process, Two-step anodization, hydro-thermal method or solvent-thermal method.
Matrix described in step S2 is any one in day electronic product and Aeronautics and Astronautics or the electronic device of military field
Kind.
It is 60~180min that this comparative example cures average time in room temperature, very high to matrix heat resistant requirements, while stone
Black alkene is during heat radiation coating is cured, it may occur that from reuniting, to reduce heat conductivility.
Performance test and characterization
To the thermal conductivity of the application method based on photocuring graphene heat radiation coating of Examples 1 to 4 and comparative example 1~3
The performances such as rate, adhesive force, flexibility and hardness are detected, wherein thermal conductivity is detected with reference to GB/T3651-2008, attached
Put forth effort to be detected using hundred lattice testers with reference to GB/T 9286-98, be detected with reference to GB/T 1731-79, hardness reference
GB/T 6739-1996, specific testing result are shown in Table 1.
Table 1
The present invention illustrates the detailed process equipment and processing step of the present invention, people in the art by above-described embodiment
Member is not it should be appreciated that the present invention is limited by above-described embodiment, and the above embodiments and description only describe the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, this is to this field
It is it will be apparent that these changes and improvements all fall within the protetion scope of the claimed invention for technical staff.
Claims (10)
1. a kind of application method based on photocuring graphene heat radiation coating, which is characterized in that include the following steps：
S1. graphene heat radiation coating is prepared：
S11., graphene quantum dot, graphene, monomer and solvent are carried out to mixed grinding, shearing, ultrasonic work(under ultrasonication
Rate is 1000 ~ 1200 W, and the time is 40 ~ 60 min, obtains composite slurry material；
S12. it after Lauxite, auxiliary agent and carbon nanotube being added into composite slurry material made from step S11, is stirred,
Rotating speed is 1000 ~ 1200 rpm, and mixing time is 2 ~ 4 h, obtains graphene heat dissipation slurry；
S13. heat-conducting metal powder being added in graphene that step S12 is obtained heat dissipation slurry, is sufficiently stirred, rotating speed is 1200 ~
1500 rpm, mixing time is 2 ~ 3 h, after mixing up to graphene heat radiation coating；
Wherein, in step S1, the graphene heat radiation coating is made of following parts by weight of component：6 ~ 12 parts of graphene, ureaformaldehyde tree
50 ~ 70 parts of fat, 20~70 parts of monomer, 25 ~ 35 parts of auxiliary agent, 12 ~ 30 parts of graphene quantum dot, 2 ~ 5 parts of heat-conducting metal powder, carbon nanometer
12 ~ 24 parts of 3 ~ 6 parts of pipe and solvent；
S2. it sprays：
Light curing agent is added in the graphene heat radiation coating obtained to step S1, addition is 0.1~1wt% of monomer, is sprayed on base
On body surface face, whole process is carried out under the atmosphere of ultraviolet light or laser beam, and wavelength is 365~405 nm.
2. the application method according to claim 1 based on photocuring graphene heat radiation coating, which is characterized in that in step S1
The graphene is the graphene less than five layers.
3. the application method according to claim 1 based on photocuring graphene heat radiation coating, which is characterized in that in step S1
The solvent is any one in water, dimethylbenzene, butanone.
4. the application method according to claim 1 based on photocuring graphene heat radiation coating, which is characterized in that in step S1
The various carbon sources of graphene quantum dot are prepared through strong acid oxidizing process, Two-step anodization, hydro-thermal method or solvent-thermal method；
The size of the graphene quantum dot is 2 ~ 4 nm.
5. the application method according to claim 1 based on photocuring graphene heat radiation coating, which is characterized in that in step S1
The monomer is N, N- methylene bisacrylamide acyls.
6. the application method according to claim 1 based on photocuring graphene heat radiation coating, which is characterized in that in step S2
The light curing agent is light curing agent 819.
7. the application method according to claim 1 based on photocuring graphene heat radiation coating, which is characterized in that in step S2
Described matrix is any one in day electronic product and Aeronautics and Astronautics or the electronic device of military field.
8. the application method according to claim 1 based on photocuring graphene heat radiation coating, which is characterized in that the auxiliary agent
It is made of 12 ~ 15 parts of antifoaming agent and 1 ~ 5 part of antioxidant.
9. the application method according to claim 1 based on photocuring graphene heat radiation coating, which is characterized in that the heat conduction
Metal powder is any one in copper powder, silver powder and aluminium powder, and granularity is 5 ~ 10 μm.
10. the application method according to claim 1 based on photocuring graphene heat radiation coating, which is characterized in that the carbon
Purity >=96wt% of nanotube, ash content≤0.4wt%, specific surface area are 100~200m2/g。
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| CN109735213A (en) * | 2019-01-07 | 2019-05-10 | 浙江工业大学 | A kind of high graphene-based coating and preparation method thereof that radiates |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109735213A (en) * | 2019-01-07 | 2019-05-10 | 浙江工业大学 | A kind of high graphene-based coating and preparation method thereof that radiates |
| CN109735213B (en) * | 2019-01-07 | 2021-05-11 | 浙江工业大学 | High-heat-dissipation graphene-based coating and preparation method thereof |
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