CN106243867A - Heat dissipation coating and preparation method thereof - Google Patents
Heat dissipation coating and preparation method thereof Download PDFInfo
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- CN106243867A CN106243867A CN201610630818.0A CN201610630818A CN106243867A CN 106243867 A CN106243867 A CN 106243867A CN 201610630818 A CN201610630818 A CN 201610630818A CN 106243867 A CN106243867 A CN 106243867A
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- 238000000576 coating method Methods 0.000 title claims abstract description 49
- 239000011248 coating agent Substances 0.000 title claims abstract description 47
- 230000017525 heat dissipation Effects 0.000 title abstract description 6
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000002105 nanoparticle Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 23
- 239000004417 polycarbonate Substances 0.000 claims abstract description 19
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 19
- 239000004814 polyurethane Substances 0.000 claims abstract description 19
- 229920002635 polyurethane Polymers 0.000 claims abstract description 19
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 10
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 5
- 239000011347 resin Substances 0.000 claims abstract description 5
- 230000005855 radiation Effects 0.000 claims description 44
- 238000000034 method Methods 0.000 claims description 38
- 239000000203 mixture Substances 0.000 claims description 37
- 238000003756 stirring Methods 0.000 claims description 35
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 27
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 27
- 239000003795 chemical substances by application Substances 0.000 claims description 27
- 239000002270 dispersing agent Substances 0.000 claims description 21
- 239000006185 dispersion Substances 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 19
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 18
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 18
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 18
- 238000011049 filling Methods 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 18
- 229920002050 silicone resin Polymers 0.000 claims description 18
- 238000010792 warming Methods 0.000 claims description 18
- 230000006837 decompression Effects 0.000 claims description 17
- 230000018044 dehydration Effects 0.000 claims description 17
- 238000006297 dehydration reaction Methods 0.000 claims description 17
- 238000004821 distillation Methods 0.000 claims description 17
- 239000000080 wetting agent Substances 0.000 claims description 17
- 239000013530 defoamer Substances 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 claims description 10
- OXHNLMTVIGZXSG-UHFFFAOYSA-N 1-Methylpyrrole Chemical compound CN1C=CC=C1 OXHNLMTVIGZXSG-UHFFFAOYSA-N 0.000 claims description 9
- QAKJJUWCWSVYHU-UHFFFAOYSA-N 5,5,5-trifluoropenta-1,3-diene Chemical compound FC(F)(F)C=CC=C QAKJJUWCWSVYHU-UHFFFAOYSA-N 0.000 claims description 9
- 229910017083 AlN Inorganic materials 0.000 claims description 9
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims description 9
- 229910002601 GaN Inorganic materials 0.000 claims description 9
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 9
- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 9
- 229910000545 Nickel–aluminium alloy Inorganic materials 0.000 claims description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 9
- 229910052786 argon Inorganic materials 0.000 claims description 9
- 239000003054 catalyst Substances 0.000 claims description 9
- 239000008367 deionised water Substances 0.000 claims description 9
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 9
- 238000002454 metastable transfer emission spectrometry Methods 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 239000003973 paint Substances 0.000 claims description 9
- 229920000570 polyether Polymers 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 9
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical class CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 9
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims description 8
- 230000005494 condensation Effects 0.000 claims description 8
- -1 Lauryl Alcohol ester Chemical class 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 7
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 claims description 7
- 229910000165 zinc phosphate Inorganic materials 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 239000003377 acid catalyst Substances 0.000 claims 1
- 150000001335 aliphatic alkanes Chemical class 0.000 claims 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- XAEWLETZEZXLHR-UHFFFAOYSA-N zinc;dioxido(dioxo)molybdenum Chemical compound [Zn+2].[O-][Mo]([O-])(=O)=O XAEWLETZEZXLHR-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000945 filler Substances 0.000 abstract description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 16
- 238000002156 mixing Methods 0.000 description 9
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 8
- 239000004721 Polyphenylene oxide Substances 0.000 description 8
- 235000019253 formic acid Nutrition 0.000 description 8
- 229920001296 polysiloxane Polymers 0.000 description 8
- 238000006396 nitration reaction Methods 0.000 description 7
- 229910017604 nitric acid Inorganic materials 0.000 description 7
- 230000003301 hydrolyzing effect Effects 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000000518 rheometry Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000016768 molybdenum Nutrition 0.000 description 1
- VLAPMBHFAWRUQP-UHFFFAOYSA-L molybdic acid Chemical compound O[Mo](O)(=O)=O VLAPMBHFAWRUQP-UHFFFAOYSA-L 0.000 description 1
- OXHXATNDTXVKAU-UHFFFAOYSA-N phosphoric acid zinc Chemical compound [Zn].OP(O)(O)=O OXHXATNDTXVKAU-UHFFFAOYSA-N 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/44—Polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/664—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Paints Or Removers (AREA)
Abstract
The invention discloses a heat dissipation coating and a preparation method thereof, wherein the heat dissipation coating comprises the following components in parts by weight: 10-35 parts of waterborne acrylic resin, 5-10 parts of polycarbonate waterborne polyurethane, 8-12 parts of organic silicon resin containing modified nanoparticles, 3-10 parts of silica sol, 10-25 parts of heat-conducting filler, 25-50 parts of water and 0.2-4 parts of auxiliary agent. The invention aims to overcome the defects in the prior art and provide the heat-dissipation coating with reasonable proportion and good heat-dissipation effect and the preparation method thereof.
Description
Technical field
The present invention relates to a kind of heat radiation coating and preparation method thereof.
Background technology
Along with the general advance of scientific and technological level, electronic apparatus, plant equipment are more and more exquisite, towards miniaturization, multi-functional
Change development.But cause thereupon problem increasingly comes into one's own: heat radiation.The miniaturization of electronic chip such as at present
With integrated, altofrequency and high arithmetic speed, the heat flow density of unit chip is raised rapidly.If computer CPU chip is in fortune
The heat flow density produced during row has reached 60-100W/cm2, even up to 103W/cm in semiconductor laser2The order of magnitude.
And the normal operating temperature range of electronic device is-5 DEG C to 65 DEG C, maximum allowable operating temperature is 100 DEG C to 120 DEG C.Too high
Temperature can damage circuit, the linkage interface of damage circuit, increase the resistance of conductor and form mechanical stress damage, reducing the longevity
Life.As can be seen here, electronic radiation problem has become the bottleneck of restriction electronics industry development, and efficient electronic radiation technology becomes
It it is a study hotspot.
Heat-conductive coating is mainly added the mixing of various filler by matrix resin, and is diluted to certain viscosity and forms.Existing
Its composition of heat-conductive coating is relatively complicated, and proportioning is unreasonable, and radiating effect is not good enough, it is impossible to meet the demand used.
Summary of the invention
The invention aims to overcome weak point of the prior art, it is provided that a kind of reasonable mixture ratio, radiating effect
Good heat radiation coating and preparation method thereof.
In order to achieve the above object, the present invention uses below scheme:
A kind of heat radiation coating, it is characterised in that include following components by weight:
A kind of heat radiation coating as above, it is characterised in that described polycarbonate waterborne polyurethane is by with lower section
Prepared by method:
The PCDL of 1000 weight portions is added in the container of belt stirrer, be warmed up to 90 DEG C, distillation 0.5 of reducing pressure
Hour, it is cooled to 70 DEG C, adds 280 weight portion 2,4 toluene diisocyanates, vacuum dehydration 0.5 hour, be passed through nitrogen, add
400 weight portions enter isophorone diisocyanate, react 2 hours, add the acetone of 75 weight portions, be cooled to 30 DEG C at 80 DEG C,
Add in the triethylamine of 85 weight portions and react 15 minutes, adding 25 weight portion N-methyl pyrrole network alkanone, at 50 DEG C, reacting 0.5
Hour, add 80 weight portion butanone and 145 weight portions 1,4-butanediol, react 1 hour, add 1000 parts by weight of deionized water and
95 weight portion trifluoroacetic acids, dispersed with stirring is uniform,.
Heat radiation coating as above a kind of, it is characterised in that described in comprise modified Nano particle organic siliconresin pass through
Prepared by following methods:
A, take MTES 50-80 weight portion, add in 650-950 part water, add 0.05-0.4 weight portion
Catalyzed by Formic Acid agent, hydrolyze 1-5 hour at 0-5 DEG C, be warming up to 70-90 DEG C and carry out polyreaction, reaction subtracts after terminating
Pressure distillation, obtains organic siliconresin；
B, by the organic siliconresin in step A, 1-Trifluoromethyl-1,3 butadiene 10-20 weight portions, titanate catalyst
0.2-0.8 weight portion and ethyl acetate 12-22 weight portion mix homogeneously, under the protection of argon, be heated to 110-120 DEG C of dehydration
Condensation reaction 1-3 hour, obtains modified organic silicone resin；
C, the modified organic silicone resin in step B is warming up to 80-90 DEG C, adds 3-12 part silester reaction 1-2 little
Time, reaction is lowered the temperature after terminating, is reduced pressure and solvent is distilled off, must comprise the organic siliconresin of modified Nano particle.
A kind of heat radiation coating as above, it is characterised in that described heat filling is by weight percentage by 0.02-0.2%
CNT, the Nickel Aluminium Alloy Powder of 10-30%, the argentum powder of 0.5-2%, the gallium nitride of 5-20% and the aluminium nitride of 48-70%
Composition.
Heat radiation coating as above a kind of, it is characterised in that described auxiliary agent be wetting agent, dispersant, coalescents,
One or more mixture in defoamer or rheological agent.
A kind of heat radiation coating as above, it is characterised in that also include the anticorrosive packing of 3-12 weight portion.
A kind of heat radiation coating as above, it is characterised in that described anticorrosive packing is zinc phosphate, modified zinc phosphate, molybdic acid
One or more mixture in zinc.
A kind of heat radiation coating as above, it is characterised in that described wetting agent is high 270 polyether silicones of enlightening, described
Dispersant is BYK-190 dispersant, and described coalescents is Lauryl Alcohol ester, and described defoamer is BYK-014 defoamer, described
Rheological agent is high 450 levelling agents of enlightening.
The present invention prepares the method for heat radiation coating described above, it is characterised in that comprise the steps:
A, by the water-borne acrylic resin of 10-35 weight portion, the polycarbonate waterborne polyurethane of 5-10 weight portion, 8-12
The water mixing comprising the organic siliconresin of modified Nano particle, the Ludox of 3-10 weight portion and 25-50 weight portion of weight portion
Stir；
B, when stirring add the heat filling of 10-25 weight portion, the auxiliary agent of 0.2-4 weight portion, stir,
Resulting dispersion system；
C, dispersion in step B being added in paint grinder mill and be ground to 30-50 μm, ultrasonic disperse is uniformly.
In sum, relative to prior art, it provides the benefit that the present invention:
One, heat radiation coating of the present invention combination, reasonable mixture ratio, good heat dissipation effect；
Two, the composition and ratio of filler of dispelling the heat in heat radiation coating formula of the present invention is reasonable, the effective film layer adding formation
Area of dissipation so that the radiating effect of heat radiation coating of the present invention is obviously improved.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the invention will be further described:
Embodiment 1
A kind of heat radiation coating, includes following components by weight:
Heat radiation coating of the present invention is prepared by the following method, and comprises the steps:
A, by water-borne acrylic resin, polycarbonate waterborne polyurethane, comprise modified Nano particle organic siliconresin,
Ludox and water mixing and stirring；
B, when stirring add heat filling, auxiliary agent, stir, resulting dispersion system；
C, dispersion in step B being added in paint grinder mill and be ground to 30-50 μm, ultrasonic disperse is uniformly.
Wherein said polycarbonate waterborne polyurethane is prepared by the following method:
The PCDL of 1000 weight portions is added in the container of belt stirrer, be warmed up to 90 DEG C, distillation 0.5 of reducing pressure
Hour, it is cooled to 70 DEG C, adds 280 weight portion 2,4 toluene diisocyanates, vacuum dehydration 0.5 hour, be passed through nitrogen, add
400 weight portions enter isophorone diisocyanate, react 2 hours, add the acetone of 75 weight portions, be cooled to 30 DEG C at 80 DEG C,
Add in the triethylamine of 85 weight portions and react 15 minutes, adding 25 weight portion N-methyl pyrrole network alkanone, at 50 DEG C, reacting 0.5
Hour, add 80 weight portion butanone and 145 weight portions 1,4-butanediol, react 1 hour, add 1000 parts by weight of deionized water and
95 weight portion trifluoroacetic acids, dispersed with stirring is uniform,.
The wherein said organic siliconresin comprising modified Nano particle is prepared by the following method:
A, take MTES 50 weight portion, add in 650-part water, add the Catalyzed by Formic Acid of 0.05 weight portion
Agent, hydrolyzes 1 hour at 0 DEG C, is warming up to 70 DEG C and carries out polyreaction, and reaction carries out decompression distillation after terminating, obtain organosilicon
Resin；
B, by the organic siliconresin in step A, 1-Trifluoromethyl-1,3 butadiene 10 weight portions, titanate catalyst 0.2
Weight portion and ethyl acetate 12 weight portion mix homogeneously, under the protection of argon, be heated to 110 DEG C of dehydration condensations 1 hour,
Obtain modified organic silicone resin；
C, the modified organic silicone resin in step B is warming up to 80 DEG C, adds 3 parts of silester and react 1 hour, reaction knot
Lowering the temperature after bundle, decompression is distilled off solvent, must comprise the organic siliconresin of modified Nano particle.
Heretofore described heat filling by weight percentage by 0.02% CNT, the Nickel Aluminium Alloy Powder of 10%,
The aluminium nitride composition of the argentum powder of 2%, the gallium nitride of 20% and 67.98%.Wherein said CNT processes through following methods:
Being added by CNT appropriate, volume ratio is the dense H of 3: 12SO4With dense HNO3Nitration mixture in, clean to neutral after 80 DEG C of acidifying 2h
And be vacuum dried.
Described auxiliary agent is high 270 polyether silicones of wetting agent enlightening.
Embodiment 2
A kind of heat radiation coating, includes following components by weight:
Heat radiation coating of the present invention is prepared by the following method, and comprises the steps:
A, by water-borne acrylic resin, polycarbonate waterborne polyurethane, comprise modified Nano particle organic siliconresin,
Ludox and water mixing and stirring；
B, when stirring add heat filling, auxiliary agent, stir, resulting dispersion system；
C, dispersion in step B being added in paint grinder mill and be ground to 30-50 μm, ultrasonic disperse is uniformly.
Wherein said polycarbonate waterborne polyurethane is prepared by the following method:
The PCDL of 1000 weight portions is added in the container of belt stirrer, be warmed up to 90 DEG C, distillation 0.5 of reducing pressure
Hour, it is cooled to 70 DEG C, adds 280 weight portion 2,4 toluene diisocyanates, vacuum dehydration 0.5 hour, be passed through nitrogen, add
400 weight portions enter isophorone diisocyanate, react 2 hours, add the acetone of 75 weight portions, be cooled to 30 DEG C at 80 DEG C,
Add in the triethylamine of 85 weight portions and react 15 minutes, adding 25 weight portion N-methyl pyrrole network alkanone, at 50 DEG C, reacting 0.5
Hour, add 80 weight portion butanone and 145 weight portions 1,4-butanediol, react 1 hour, add 1000 parts by weight of deionized water and
95 weight portion trifluoroacetic acids, dispersed with stirring is uniform,.
The wherein said organic siliconresin comprising modified Nano particle is prepared by the following method:
A, take MTES 80 weight portion, add in 950 parts of water, add the Catalyzed by Formic Acid agent of 0.4 weight portion,
Hydrolyzing 5 hours at 5 DEG C, be warming up to 90 DEG C and carry out polyreaction, reaction carries out decompression distillation after terminating, obtain organosilicon tree
Fat；
B, by the organic siliconresin in step A, 1-Trifluoromethyl-1,3 butadiene 20 weight portions, titanate catalyst 0.8
Weight portion and ethyl acetate 22 weight portion mix homogeneously, under the protection of argon, be heated to 120 DEG C of dehydration condensations 3 little
Time, obtain modified organic silicone resin；
C, the modified organic silicone resin in step B is warming up to 90 DEG C, adds 12 parts of silester and react 2 hours, reaction
Lowering the temperature after end, decompression is distilled off solvent, must comprise the organic siliconresin of modified Nano particle.
Heretofore described heat filling by weight percentage by 0.2% CNT, the Nickel Aluminium Alloy Powder of 30%,
The aluminium nitride composition of the argentum powder of 1.8%, the gallium nitride of 20% and 48%.Wherein said CNT processes through following methods:
Being added by CNT appropriate, volume ratio is the dense H of 3: 12SO4With dense HNO3Nitration mixture in, clean to neutral after 80 DEG C of acidifying 2h
And be vacuum dried.
Wherein the auxiliary agent described in 4 weight portions includes 0.2 weight portion wetting agent, 1 parts per weight dispersing agent, 2.8 weight portion film forming
Auxiliary agent.Described wetting agent is high 270 polyether silicones of enlightening, and described dispersant is BYK-190 dispersant, and described coalescents is
Lauryl Alcohol ester.
Embodiment 3
A kind of heat radiation coating, includes following components by weight:
Heat radiation coating of the present invention is prepared by the following method, and comprises the steps:
A, by water-borne acrylic resin, polycarbonate waterborne polyurethane, comprise modified Nano particle organic siliconresin,
Ludox and water mixing and stirring；
B, when stirring add heat filling, auxiliary agent, stir, resulting dispersion system；
C, dispersion in step B being added in paint grinder mill and be ground to 30-50 μm, ultrasonic disperse is uniformly.
Wherein said polycarbonate waterborne polyurethane is prepared by the following method:
The PCDL of 1000 weight portions is added in the container of belt stirrer, be warmed up to 90 DEG C, distillation 0.5 of reducing pressure
Hour, it is cooled to 70 DEG C, adds 280 weight portion 2,4 toluene diisocyanates, vacuum dehydration 0.5 hour, be passed through nitrogen, add
400 weight portions enter isophorone diisocyanate, react 2 hours, add the acetone of 75 weight portions, be cooled to 30 DEG C at 80 DEG C,
Add in the triethylamine of 85 weight portions and react 15 minutes, adding 25 weight portion N-methyl pyrrole network alkanone, at 50 DEG C, reacting 0.5
Hour, add 80 weight portion butanone and 145 weight portions 1,4-butanediol, react 1 hour, add 1000 parts by weight of deionized water and
95 weight portion trifluoroacetic acids, dispersed with stirring is uniform,.
The wherein said organic siliconresin comprising modified Nano particle is prepared by the following method:
A, take MTES 65 weight portion, add in 800 parts of water, add the Catalyzed by Formic Acid agent of 0.2 weight portion,
Hydrolyzing 2 hours at 2 DEG C, be warming up to 80 DEG C and carry out polyreaction, reaction carries out decompression distillation after terminating, obtain organosilicon tree
Fat；
B, by the organic siliconresin in step A, 1-Trifluoromethyl-1,3 butadiene 15 weight portions, titanate catalyst 0.5
Weight portion and ethyl acetate 16 weight portion mix homogeneously, under the protection of argon, be heated to 115 DEG C of dehydration condensations 2 hours,
Obtain modified organic silicone resin；
C, the modified organic silicone resin in step B is warming up to 85 DEG C, adds 5 parts of silester and react 1.5 hours, reaction
Lowering the temperature after end, decompression is distilled off solvent, must comprise the organic siliconresin of modified Nano particle.
Heretofore described heat filling by weight percentage by 0.1% CNT, the Nickel Aluminium Alloy Powder of 20%,
The aluminium nitride composition of the argentum powder of 1%, the gallium nitride of 15% and 63.9%.Wherein said CNT processes through following methods:
Being added by CNT appropriate, volume ratio is the dense H of 3: 12SO4With dense HNO3Nitration mixture in, clean to neutral after 80 DEG C of acidifying 2h
And be vacuum dried.
Wherein the auxiliary agent described in 2 weight portions includes 0.2 weight portion wetting agent, 0.3 parts per weight dispersing agent, 1 weight portion film forming
Auxiliary agent, 0.1 weight portion defoamer, 0.4 weight portion rheological agent.Described wetting agent is high 270 polyether silicones of enlightening, described dispersion
Agent is BYK-190 dispersant, and described coalescents is Lauryl Alcohol ester, and described defoamer is BYK-014 defoamer, described rheology
Agent is high 450 levelling agents of enlightening.
Embodiment 4
A kind of heat radiation coating, includes following components by weight:
Heat radiation coating of the present invention is prepared by the following method, and comprises the steps:
A, by water-borne acrylic resin, polycarbonate waterborne polyurethane, comprise modified Nano particle organic siliconresin,
Ludox and water mixing and stirring；
B, when stirring add heat filling, auxiliary agent, stir, resulting dispersion system；
C, dispersion in step B being added in paint grinder mill and be ground to 30-50 μm, ultrasonic disperse is uniformly.
Wherein said polycarbonate waterborne polyurethane is prepared by the following method:
The PCDL of 1000 weight portions is added in the container of belt stirrer, be warmed up to 90 DEG C, distillation 0.5 of reducing pressure
Hour, it is cooled to 70 DEG C, adds 280 weight portion 2,4 toluene diisocyanates, vacuum dehydration 0.5 hour, be passed through nitrogen, add
400 weight portions enter isophorone diisocyanate, react 2 hours, add the acetone of 75 weight portions, be cooled to 30 DEG C at 80 DEG C,
Add in the triethylamine of 85 weight portions and react 15 minutes, adding 25 weight portion N-methyl pyrrole network alkanone, at 50 DEG C, reacting 0.5
Hour, add 80 weight portion butanone and 145 weight portions 1,4-butanediol, react 1 hour, add 1000 parts by weight of deionized water and
95 weight portion trifluoroacetic acids, dispersed with stirring is uniform,.
The wherein said organic siliconresin comprising modified Nano particle is prepared by the following method:
A, take MTES 50 weight portion, add in 950 parts of water, add the Catalyzed by Formic Acid of 0.05 weight portion
Agent, hydrolyzes 1 hour at 0 DEG C, is warming up to 90 DEG C and carries out polyreaction, and reaction carries out decompression distillation after terminating, obtain organosilicon
Resin；
B, by the organic siliconresin in step A, 1-Trifluoromethyl-1,3 butadiene 10 weight portions, titanate catalyst 0.2
Weight portion and ethyl acetate 15 weight portion mix homogeneously, under the protection of argon, be heated to 110 DEG C of dehydration condensations 1 little
Time, obtain modified organic silicone resin；
C, the modified organic silicone resin in step B is warming up to 80 DEG C, adds 3 parts of silester and react 1 hour, reaction knot
Lowering the temperature after bundle, decompression is distilled off solvent, must comprise the organic siliconresin of modified Nano particle.
Heretofore described heat filling by weight percentage by 0.05% CNT, the Nickel Aluminium Alloy Powder of 30%,
The aluminium nitride composition of the argentum powder of 0.55%, the gallium nitride of 10% and 59.4%.Wherein said CNT is at following methods
Reason: being added by CNT appropriate, volume ratio is the dense H of 3: 12SO4With dense HNO3Nitration mixture in, 80 DEG C acidifying 2h after clean to
Neutrality is also vacuum dried.
Wherein the auxiliary agent described in 0.2 weight portion is 0.05 wetting agent, 0.15 coalescents.Described wetting agent is that enlightening is high
270 polyether silicones, described coalescents is Lauryl Alcohol ester.
Embodiment 5
A kind of heat radiation coating, includes following components by weight:
Heat radiation coating of the present invention is prepared by the following method, and comprises the steps:
A, by water-borne acrylic resin, polycarbonate waterborne polyurethane, comprise modified Nano particle organic siliconresin,
Ludox and water mixing and stirring；
B, when stirring add heat filling, auxiliary agent, stir, resulting dispersion system；
C, dispersion in step B being added in paint grinder mill and be ground to 30-50 μm, ultrasonic disperse is uniformly.
Wherein said polycarbonate waterborne polyurethane is prepared by the following method:
The PCDL of 1000 weight portions is added in the container of belt stirrer, be warmed up to 90 DEG C, distillation 0.5 of reducing pressure
Hour, it is cooled to 70 DEG C, adds 280 weight portion 2,4 toluene diisocyanates, vacuum dehydration 0.5 hour, be passed through nitrogen, add
400 weight portions enter isophorone diisocyanate, react 2 hours, add the acetone of 75 weight portions, be cooled to 30 DEG C at 80 DEG C,
Add in the triethylamine of 85 weight portions and react 15 minutes, adding 25 weight portion N-methyl pyrrole network alkanone, at 50 DEG C, reacting 0.5
Hour, add 80 weight portion butanone and 145 weight portions 1,4-butanediol, react 1 hour, add 1000 parts by weight of deionized water and
95 weight portion trifluoroacetic acids, dispersed with stirring is uniform,.
The wherein said organic siliconresin comprising modified Nano particle is prepared by the following method:
A, take MTES 60 weight portion, add in 700 parts of water, add the Catalyzed by Formic Acid agent of 0.1 weight portion,
Hydrolyzing 2 hours at 1 DEG C, be warming up to 75 DEG C and carry out polyreaction, reaction carries out decompression distillation after terminating, obtain organosilicon tree
Fat；
B, by the organic siliconresin in step A, 1-Trifluoromethyl-1,3 butadiene 18 weight portions, titanate catalyst 0.3
Weight portion and ethyl acetate 14 weight portion mix homogeneously, under the protection of argon, be heated to 115 DEG C of dehydration condensations 2 hours,
Obtain modified organic silicone resin；
C, the modified organic silicone resin in step B is warming up to 85 DEG C, adds 6 parts of silester and react 1.5 hours, reaction
Lowering the temperature after end, decompression is distilled off solvent, must comprise the organic siliconresin of modified Nano particle.
Heretofore described heat filling by weight percentage by 0.15% CNT, the Nickel Aluminium Alloy Powder of 30%,
The aluminium nitride composition of the argentum powder of 0.5%, the gallium nitride of 5% and 64.35%.Wherein said CNT is at following methods
Reason: being added by CNT appropriate, volume ratio is the dense H of 3: 12SO4With dense HNO3Nitration mixture in, 80 DEG C acidifying 2h after clean to
Neutrality is also vacuum dried.
Wherein the auxiliary agent described in 4 weight portions is for including that 0.1 weight portion wetting agent, 0.2 parts per weight dispersing agent, 2 weight portions become
Film auxiliary agent, 0.3 weight portion defoamer and 1.4 weight portion rheological agents.Described wetting agent is high 270 polyether silicones of enlightening, described
Dispersant is BYK-190 dispersant, and described coalescents is Lauryl Alcohol ester, and described defoamer is BYK-014 defoamer, described
Rheological agent is high 450 levelling agents of enlightening.
Described anticorrosive packing is zinc phosphate.
Embodiment 6
A kind of heat radiation coating, includes following components by weight:
Heat radiation coating of the present invention is prepared by the following method, and comprises the steps:
A, by water-borne acrylic resin, polycarbonate waterborne polyurethane, comprise modified Nano particle organic siliconresin,
Ludox and water mixing and stirring；
B, when stirring add heat filling, auxiliary agent, stir, resulting dispersion system；
C, dispersion in step B being added in paint grinder mill and be ground to 30-50 μm, ultrasonic disperse is uniformly.
Wherein said polycarbonate waterborne polyurethane is prepared by the following method:
The PCDL of 1000 weight portions is added in the container of belt stirrer, be warmed up to 90 DEG C, distillation 0.5 of reducing pressure
Hour, it is cooled to 70 DEG C, adds 280 weight portion 2,4 toluene diisocyanates, vacuum dehydration 0.5 hour, be passed through nitrogen, add
400 weight portions enter isophorone diisocyanate, react 2 hours, add the acetone of 75 weight portions, be cooled to 30 DEG C at 80 DEG C,
Add in the triethylamine of 85 weight portions and react 15 minutes, adding 25 weight portion N-methyl pyrrole network alkanone, at 50 DEG C, reacting 0.5
Hour, add 80 weight portion butanone and 145 weight portions 1,4-butanediol, react 1 hour, add 1000 parts by weight of deionized water and
95 weight portion trifluoroacetic acids, dispersed with stirring is uniform,.
The wherein said organic siliconresin comprising modified Nano particle is prepared by the following method:
A, take MTES 70 weight portion, add in 800 parts of water, add the Catalyzed by Formic Acid agent of 0.3 weight portion,
Hydrolyzing 3 hours at 3 DEG C, be warming up to 80 DEG C and carry out polyreaction, reaction carries out decompression distillation after terminating, obtain organosilicon tree
Fat；
B, by the organic siliconresin in step A, 1-Trifluoromethyl-1,3 butadiene 13 weight portions, titanate catalyst 0.4
Weight portion and ethyl acetate 20 weight portion mix homogeneously, under the protection of argon, be heated to 110 DEG C of dehydration condensations 1 hour,
Obtain modified organic silicone resin；
C, the modified organic silicone resin in step B is warming up to 80 DEG C, adds 3 parts of silester and react 1 hour, reaction knot
Lowering the temperature after bundle, decompression is distilled off solvent, must comprise the organic siliconresin of modified Nano particle.
Heretofore described heat filling by weight percentage by 0.2% CNT, the Nickel Aluminium Alloy Powder of 25%,
The aluminium nitride composition of the argentum powder of 1%, the gallium nitride of 16% and 57.8%.Wherein said CNT processes through following methods:
Being added by CNT appropriate, volume ratio is the dense H of 3: 12SO4With dense HNO3Nitration mixture in, clean to neutral after 80 DEG C of acidifying 2h
And be vacuum dried.
Wherein the auxiliary agent described in 0.2 weight portion is 0.1 weight portion wetting agent, 0.1 parts per weight dispersing agent.Described wetting agent
For high 270 polyether silicones of enlightening, described dispersant is BYK-190 dispersant.
Described anticorrosive packing is the mixture of zinc phosphate, modified zinc phosphate.
Embodiment 7
A kind of heat radiation coating, includes following components by weight:
Heat radiation coating of the present invention is prepared by the following method, and comprises the steps:
A, by water-borne acrylic resin, polycarbonate waterborne polyurethane, comprise modified Nano particle organic siliconresin,
Ludox and water mixing and stirring；
B, when stirring add heat filling, auxiliary agent, stir, resulting dispersion system；
C, dispersion in step B being added in paint grinder mill and be ground to 30-50 μm, ultrasonic disperse is uniformly.
Wherein said polycarbonate waterborne polyurethane is prepared by the following method:
The PCDL of 1000 weight portions is added in the container of belt stirrer, be warmed up to 90 DEG C, distillation 0.5 of reducing pressure
Hour, it is cooled to 70 DEG C, adds 280 weight portion 2,4 toluene diisocyanates, vacuum dehydration 0.5 hour, be passed through nitrogen, add
400 weight portions enter isophorone diisocyanate, react 2 hours, add the acetone of 75 weight portions, be cooled to 30 DEG C at 80 DEG C,
Add in the triethylamine of 85 weight portions and react 15 minutes, adding 25 weight portion N-methyl pyrrole network alkanone, at 50 DEG C, reacting 0.5
Hour, add 80 weight portion butanone and 145 weight portions 1,4-butanediol, react 1 hour, add 1000 parts by weight of deionized water and
95 weight portion trifluoroacetic acids, dispersed with stirring is uniform,.
The wherein said organic siliconresin comprising modified Nano particle is prepared by the following method:
A, take MTES 60 weight portion, add in 750 parts of water, add the Catalyzed by Formic Acid agent of 0.2 weight portion,
Hydrolyzing 3 hours at 2 DEG C, be warming up to 75 DEG C and carry out polyreaction, reaction carries out decompression distillation after terminating, obtain organosilicon tree
Fat；
B, by the organic siliconresin in step A, 1-Trifluoromethyl-1,3 butadiene 13 weight portions, titanate catalyst 0.3
Weight portion and ethyl acetate 18 weight portion mix homogeneously, under the protection of argon, be heated to 120 DEG C of dehydration condensations 3 hours,
Obtain modified organic silicone resin；
C, the modified organic silicone resin in step B is warming up to 90 DEG C, adds 12 parts of silester and react 2 hours, reaction
Lowering the temperature after end, decompression is distilled off solvent, must comprise the organic siliconresin of modified Nano particle.
Heretofore described heat filling by weight percentage by 0.02% CNT, the Nickel Aluminium Alloy Powder of 28%,
The aluminium nitride composition of the argentum powder of 0.8%, the gallium nitride of 15% and 56.18%.Wherein said CNT is at following methods
Reason: being added by CNT appropriate, volume ratio is the dense H of 3: 12SO4With dense HNO3Nitration mixture in, 80 DEG C acidifying 2h after clean to
Neutrality is also vacuum dried.
Wherein the auxiliary agent described in 2 weight portions is that 0.2 weight portion wetting agent, 0.1 parts per weight dispersing agent, 1 weight portion film forming help
Agent, 0.2 weight portion defoamer and 0.5 weight portion rheological agent.Described wetting agent is high 270 polyether silicones of enlightening, described dispersion
Agent is BYK-190 dispersant, and described coalescents is Lauryl Alcohol ester, and described defoamer is BYK-014 defoamer, described rheology
Agent is high 450 levelling agents of enlightening.
Wherein anticorrosive packing described in 6 weight portions includes 2 parts by weight of phosphoric acid zinc, 1 part by weight modified zinc phosphate and 3 weight portion molybdenums
The mixture of acid zinc.
The heat dispersion of heat radiation coating of the present invention is verified further by tests below:
Take 8 pieces of aluminium bases to mark respectively, plate 1, plate 2, plate 3, plate 4, plate 5, plate 6, plate 7, plate 8；Wherein plate 1 is not coated with heat-radiation coating
Material, plate 2-8 surface is coated with the heat radiation coating in embodiment of the present invention 1-7 the most successively, after solidification detects its performance；Will
Plate 1 to plate 8 is positioned in heating plate, be sequentially adjusted in temperature 50 C, 80 DEG C, 100 DEG C, 150 DEG C, 200 DEG C, 250 DEG C, 300 DEG C, often
After secondary homoiothermic, balancing and within 60 minutes, be further continued for being heated to next temperature, utilize temperature measurer record temperature, result is as shown in table 1, room temperature
25℃。
Table 1
| Initial temperature DEG C | 50 | 80 | 100 | 150 | 200 | 250 | 300 |
| After plate 1 balances 60 minutes | 38 | 65 | 78 | 121 | 155 | 198 | 243 |
| After plate 2 balances 60 minutes | 26 | 50 | 58 | 83 | 110 | 160 | 201 |
| After plate 3 balances 60 minutes | 22 | 48 | 56 | 80 | 105 | 149 | 190 |
| After plate 4 balances 60 minutes | 23 | 45 | 55 | 81 | 103 | 148 | 188 |
| After plate 5 balances 60 minutes | 20 | 41 | 48 | 76 | 98 | 130 | 175 |
| After plate 6 balances 60 minutes | 21 | 42 | 49 | 77 | 99 | 132 | 176 |
| After plate 7 balances 60 minutes | 23 | 49 | 52 | 80 | 100 | 135 | 185 |
| After plate 8 balances 60 minutes | 24 | 47 | 54 | 81 | 103 | 141 | 188 |
Can clearly show that from table 1 the aluminium base temperature scribbling heat radiation coating of the present invention is all far below being not coated with thermal dispersant coatings
Aluminium base, illustrate that thermal dispersant coatings of the present invention has good radiating effect.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The skill of the industry
The art personnel simply explanation it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description
The principle of the present invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these
Changes and improvements both fall within scope of the claimed invention.Claimed scope by appending claims and
Its equivalent defines.
Claims (9)
1. a heat radiation coating, it is characterised in that include following components by weight:
A kind of heat radiation coating the most according to claim 1, it is characterised in that described polycarbonate waterborne polyurethane is led to
Cross following methods to prepare:
Being added by the PCDL of 1000 weight portions in the container of belt stirrer, be warmed up to 90 DEG C, decompression distillation 0.5 is little
Time, it is cooled to 70 DEG C, adds 280 weight portion 2,4 toluene diisocyanates, vacuum dehydration 0.5 hour, be passed through nitrogen, add 400
Weight portion enters isophorone diisocyanate, reacts 2 hours, add the acetone of 75 weight portions, be cooled to 30 DEG C at 80 DEG C, adds
With reaction 15 minutes in the triethylamine of 85 weight portions, add 25 weight portion N-methyl pyrrole network alkanone, at 50 DEG C, react 0.5 little
Time, add 80 weight portion butanone and 145 weight portions 1,4-butanediol, react 1 hour, add 1000 parts by weight of deionized water and 95
Weight portion trifluoroacetic acid, dispersed with stirring is uniform,.
A kind of heat radiation coating the most according to claim 1, it is characterised in that described in comprise the organosilicon of modified Nano particle
Resin is prepared by the following method:
A, take MTES 50-80 weight portion, add in 650-950 part water, add the first of 0.05-0.4 weight portion
Acid catalyst, hydrolyzes 1-5 hour at 0-5 DEG C, is warming up to 70-90 DEG C and carries out polyreaction, and reaction carries out decompression and steams after terminating
Evaporate, obtain organic siliconresin；
B, by the organic siliconresin in step A, 1-Trifluoromethyl-1,3 butadiene 10-20 weight portions, titanate catalyst 0.2-
0.8 weight portion and ethyl acetate 12-22 weight portion mix homogeneously, under the protection of argon, be heated to 110-120 DEG C of dehydrating condensation
React 1-3 hour, obtain modified organic silicone resin；
C, the modified organic silicone resin in step B is warming up to 80-90 DEG C, adds 3-12 part silester and react 1-2 hour, instead
Should lower the temperature after terminating, decompression is distilled off solvent, must comprise the organic siliconresin of modified Nano particle.
A kind of heat radiation coating the most according to claim 1, it is characterised in that described heat filling by weight percentage by
The CNT of 0.02-0.2%, the Nickel Aluminium Alloy Powder of 10-30%, the argentum powder of 0.5-2%, the gallium nitride of 5-20% and 48-
The aluminium nitride composition of 70%.
A kind of heat radiation coating the most according to claim 1, it is characterised in that described auxiliary agent is wetting agent, dispersant, one-tenth
One or more mixture in film auxiliary agent, defoamer or rheological agent.
A kind of heat radiation coating the most according to claim 1, it is characterised in that also include the anticorrosive packing of 3-12 weight portion.
A kind of heat radiation coating the most according to claim 6, it is characterised in that described anticorrosive packing is zinc phosphate, modified phosphate
One or more mixture in zinc, zinc molybdate.
A kind of heat radiation coating the most according to claim 5, it is characterised in that described wetting agent is the high 270 polyethers silica of enlightening
Alkane, described dispersant is BYK-190 dispersant, and described coalescents is Lauryl Alcohol ester, and described defoamer is BYK-014 froth breaking
Agent, described rheological agent is high 450 levelling agents of enlightening.
9. the method preparing heat radiation coating as claimed in claim 1, it is characterised in that comprise the steps:
A, by the water-borne acrylic resin of 10-35 weight portion, the polycarbonate waterborne polyurethane of 5-10 weight portion, 8-12 weight
The water mix and blend comprising the organic siliconresin of modified Nano particle, the Ludox of 3-10 weight portion and 25-50 weight portion of part
Uniformly；
B, when stirring add the heat filling of 10-25 weight portion, the auxiliary agent of 0.2-4 weight portion, stir, score
Prose style free from parallelism system；
C, dispersion in step B being added in paint grinder mill and be ground to 30-50 μm, ultrasonic disperse is uniformly.
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| CN108641574A (en) * | 2018-05-09 | 2018-10-12 | 欧利生东邦涂料（东莞）有限公司 | A kind of recoverability acrylic acid high-gloss paint |
| CN109161319A (en) * | 2018-07-17 | 2019-01-08 | 合肥东恒锐电子科技有限公司 | A kind of high-performance heat radiation coating preparation method of tablet computer |
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