CN106366721A - Heat dissipation coating and preparation method thereof - Google Patents
Heat dissipation coating and preparation method thereof Download PDFInfo
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- CN106366721A CN106366721A CN201610794475.1A CN201610794475A CN106366721A CN 106366721 A CN106366721 A CN 106366721A CN 201610794475 A CN201610794475 A CN 201610794475A CN 106366721 A CN106366721 A CN 106366721A
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- 238000000576 coating method Methods 0.000 title claims abstract description 31
- 239000011248 coating agent Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims description 14
- 230000017525 heat dissipation Effects 0.000 title abstract description 5
- 229920002635 polyurethane Polymers 0.000 claims abstract description 27
- 239000004814 polyurethane Substances 0.000 claims abstract description 27
- 239000000839 emulsion Substances 0.000 claims abstract description 26
- 239000000843 powder Substances 0.000 claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000378 calcium silicate Substances 0.000 claims abstract description 12
- 229910052918 calcium silicate Inorganic materials 0.000 claims abstract description 12
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 12
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000005855 radiation Effects 0.000 claims description 27
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 24
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 18
- 230000033444 hydroxylation Effects 0.000 claims description 18
- 238000005805 hydroxylation reaction Methods 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 17
- 229920000570 polyether Polymers 0.000 claims description 17
- -1 polydimethylsiloxane Polymers 0.000 claims description 15
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 13
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 12
- 229910000077 silane Inorganic materials 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 11
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 11
- 229920001296 polysiloxane Polymers 0.000 claims description 11
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 9
- 239000003054 catalyst Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- 239000012467 final product Substances 0.000 claims description 9
- 239000000376 reactant Substances 0.000 claims description 9
- 238000010792 warming Methods 0.000 claims description 9
- 229910018134 Al-Mg Inorganic materials 0.000 claims description 7
- 229910018467 Al—Mg Inorganic materials 0.000 claims description 7
- 239000004970 Chain extender Substances 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 230000001804 emulsifying effect Effects 0.000 claims description 7
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 6
- 229920000388 Polyphosphate Polymers 0.000 claims description 6
- 238000000498 ball milling Methods 0.000 claims description 6
- 238000007865 diluting Methods 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 6
- 239000001205 polyphosphate Substances 0.000 claims description 6
- 235000011176 polyphosphates Nutrition 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 239000002270 dispersing agent Substances 0.000 claims description 4
- 239000004014 plasticizer Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 229920013822 aminosilicone Polymers 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 239000002318 adhesion promoter Substances 0.000 claims description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 2
- 239000002048 multi walled nanotube Substances 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 2
- 229920002545 silicone oil Polymers 0.000 claims description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid group Chemical group C(CC(O)(C(=O)O)CC(=O)O)(=O)O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- 150000001335 aliphatic alkanes Chemical class 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- XQSFXFQDJCDXDT-UHFFFAOYSA-N hydroxysilicon Chemical compound [Si]O XQSFXFQDJCDXDT-UHFFFAOYSA-N 0.000 claims 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 2
- 229910000861 Mg alloy Inorganic materials 0.000 abstract 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 abstract 1
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 17
- ZFOZVQLOBQUTQQ-UHFFFAOYSA-N Tributyl citrate Chemical group CCCCOC(=O)CC(O)(C(=O)OCCCC)CC(=O)OCCCC ZFOZVQLOBQUTQQ-UHFFFAOYSA-N 0.000 description 10
- 229910000906 Bronze Inorganic materials 0.000 description 5
- 229910001051 Magnalium Inorganic materials 0.000 description 5
- 239000010974 bronze Substances 0.000 description 5
- 239000002041 carbon nanotube Substances 0.000 description 5
- 229910021393 carbon nanotube Inorganic materials 0.000 description 5
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 5
- 238000001291 vacuum drying Methods 0.000 description 5
- JZZIHCLFHIXETF-UHFFFAOYSA-N dimethylsilicon Chemical class C[Si]C JZZIHCLFHIXETF-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 2
- 239000007822 coupling agent Substances 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229960001124 trientine Drugs 0.000 description 2
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- OEHPGDCQKGYZQG-UHFFFAOYSA-N NCC[Si](OC(OCC)(OCC)OCC)(OC)CCCN Chemical compound NCC[Si](OC(OCC)(OCC)OCC)(OC)CCCN OEHPGDCQKGYZQG-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000640 hydroxylating effect Effects 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a heat dissipation coating which is characterized by comprising the following components in parts by weight: 30-50 parts of aqueous polyurethane emulsion, 5-8 parts of surface hydroxylated carbon nanotubes and 4-7 parts of methyl methacrylate; 2-4 parts of graphene, 5-8 parts of calcium carbonate powder, 3-5 parts of calcium silicate powder, 1-3 parts of aluminum magnesium alloy powder, 1.1-2.2 parts of an auxiliary agent, 20-40 parts of water and 6-10 parts of a curing agent. The invention aims to overcome the defects in the prior art and provide the heat-dissipation coating with reasonable components and proportion and good heat-dissipation effect; another object of the present invention is to provide a method for preparing the above heat-dissipating coating material.
Description
Technical field
The present invention relates to a kind of heat radiation coating, another object of the present invention is to provide a kind of side preparing above-mentioned heat radiation coating
Method.
Background technology
Heat radiation coating is a kind of radiating efficiency improving body surface, reduces the sapecial coating of system temperature.Heat radiation coating,
It is by improving body surface radiation efficiency, augmented heat dispersion.Its formula of existing heat radiation coating is complicated, component proportion
Unreasonable, radiating effect is relatively poor.
Content of the invention
The invention aims to overcoming weak point of the prior art, providing a kind of component and reasonable mixture ratio, dissipating
The good heat radiation coating of thermal effect；
Another object of the present invention is to provide a kind of method preparing above-mentioned heat radiation coating.
In order to achieve the above object, the present invention adopts below scheme:
A kind of heat radiation coating is it is characterised in that include following components by weight:
30～50 parts of aqueous polyurethane emulsion, 5～8 parts of the CNT of surface hydroxylation, methyl methacrylate 4～7
Part；2～4 parts of Graphene, 5～8 parts of Paris white, 3～5 parts of calcium silicate powder, 1～3 part of Al-Mg alloy powder, auxiliary agent 1.1-2.2 part,
20～40 parts of water, 6～10 parts of firming agent.
As above a kind of heat radiation coating it is characterised in that described auxiliary agent include by weight 0.1-0.5 part dispersant,
0.2-0.4 part adhesion promoter, 0.3～0.5 part of levelling agent, 0.5～0.8 part of plasticizer.
A kind of heat radiation coating is it is characterised in that described dispersant is poly phosphate as above；Described adhesive force promotes
Agent is silane base silane；Described levelling agent is polyether-modified polydimethylsiloxane, and described plasticizer is tri-n-butyl citrate.
A kind of heat radiation coating is it is characterised in that described aqueous polyurethane emulsion is hydroxyl-containing silicone modified water as above
Property polyurethane, preparation method is: by weight, by 10～30 parts of tdi, 8～20 parts of polyethers, dmpa8～16 part, alkane hydroxyl
10～18 parts of mix homogeneously of silicone oil, are warming up to 70～90 DEG C, add 0.5～3 part of organotin catalysts to carry out reacting 3～6h, then
Add 5～10 parts of chain extender carry out reacting 1～3h, add acetone diluting reaction thing, after cooling add triethylamine in become salt,
Add water 10～20 parts of emulsifyings, remove acetone under reduced pressure, emulsion may finally be obtained.
A kind of heat radiation coating is it is characterised in that the CNT of described surface hydroxylation is made by the following method as above
Standby: by weight, in ball grinder, 0.1-0.5 part multi-walled carbon nano-tubes is mixed with 8-12 part potassium hydroxide, plus appropriate second
Alcohol, ball milling, after 15 hours, is washed with deionized reactant to neutral, CNT is put into dry in 100 DEG C of vacuum drying ovens
Obtain final product after dry 12 hours.
A kind of heat radiation coating is it is characterised in that also include 2-5 weight portion polyether-containing aminopolysiloxane as above.
A kind of heat radiation coating is it is characterised in that described polyether-containing aminopolysiloxane is prepared as follows as above:
S1: equipped with agitator, condensing tube, the there-necked flask of thermometer, adding 400 weight portion d4, stirring, it is warming up to 115 DEG C, plus
Enter catalyst Tetramethylammonium hydroxide 0.24 weight portion, about insulation half an hour, add coupling agent n- β after viscosity significantly increases
(aminoethyl)-γ-aminopropyltriethoxy dimethoxy silane 20.8 weight portion, temperature control 115 DEG C about 6 hours, obtain amido silicon oil；
S2: equipped with agitator, condensing tube, the 1000ml there-necked flask of thermometer, add the amino silicone of the above-mentioned synthesis of 200 weight portions
Oil, 150 parts by weight of activated polyethers, 105g isopropanol, at 80～92 DEG C, carry out back flow reaction, to reactant transparent after, be further continued for
Four hours of insulation, finally under the conditions of 0.01mpa, cooling decompression sloughs isopropanol, obtains final product.
Organotin catalysts of the present invention refer to dibutyl tin dilaurate.
Polyethers of the present invention refers to polyethers e-210.
Chain extender of the present invention is l, 4- butanediol, neopentyl glycol, ethylene glycol, diglycol, glycerol, suitable fourth
One of enedioic acid acid anhydride, trimethylolpropane, ethylenediamine, diethylenetriamine, triethylene tetramine or dihydromethyl propionic acid or several
The mixture planted.
Emulsifying refers to stirring under speed 2000～4000rpm.
A kind of method preparing heat radiation coating as claimed in claim 1 of the present invention is it is characterised in that comprise the following steps:
Aqueous polyurethane emulsion, the CNT of surface hydroxylation, Graphene, Paris white, calcium silicate powder, magnalium are closed
Add in paint grinder mill after bronze, auxiliary agent, water mix homogeneously and be ground to 30-50 μm, ultrasonic disperse uniformly, adds firming agent to mix
Close uniformly.
In sum, the present invention with respect to prior art its advantage is:
Instant component and reasonable mixture ratio, good heat dissipation effect.
Specific embodiment
With reference to specific embodiment, the invention will be further described:
Embodiment 1
30 parts of aqueous polyurethane emulsion, 5 parts of the CNT of surface hydroxylation, 4 parts of Graphenes 2 of methyl methacrylate
Part, 5 parts of Paris white, 3 parts of calcium silicate powder, 1 part of Al-Mg alloy powder, 1.1 parts of auxiliary agent, 20 parts of water, 6 parts of firming agent.
Firming agent of the present invention is triethylene tetramine.
Described auxiliary agent includes 0.1 part of poly phosphate, 0.2 part of silane base silane, polyether-modified poly dimethyl silicon by weight
0.3 part of oxygen alkane, 0.5 part of tri-n-butyl citrate.
Described aqueous polyurethane emulsion is hydroxyl-containing silicone modified aqueous polyurethane, and preparation method is: by weight, will
10 parts of tdi, 8 parts of polyethers, 8 parts of dmpa, 10 parts of mix homogeneously of hydroxyl-containing silicone, are warming up to 70 DEG C, add organotin catalysts
0.5 part carries out reacting 3h, adds 5 parts of chain extender and carries out reacting 1h, adds acetone diluting reaction thing, add three second after cooling
In amine with become salt, add water 10 parts of emulsifyings, remove acetone under reduced pressure, emulsion may finally be obtained.
The CNT of described surface hydroxylation is prepared as follows: by weight, by more than 0.1 part in ball grinder
Wall carbon nano tube is mixed with 8 parts of potassium hydroxide, plus ethanol in proper amount, and ball milling is after 15 hours, be washed with deionized reactant in
Property, CNT is put into and obtains final product after being dried 12 hours in 100 DEG C of vacuum drying ovens.
Preparation method comprises the following steps:
Aqueous polyurethane emulsion, the CNT of surface hydroxylation, Graphene, Paris white, calcium silicate powder, magnalium are closed
Add in paint grinder mill after bronze, auxiliary agent, water mix homogeneously and be ground to 30-50 μm, ultrasonic disperse uniformly, adds firming agent to mix
Close uniformly.
Embodiment 2
50 parts of aqueous polyurethane emulsion, 8 parts of the CNT of surface hydroxylation, 7 parts of Graphenes 4 of methyl methacrylate
Part, 8 parts of Paris white, 5 parts of calcium silicate powder, 3 parts of Al-Mg alloy powder, 2.2 parts of auxiliary agent, 40 parts of water, 10 parts of firming agent.
Described auxiliary agent includes 0.5 part of poly phosphate, 0.4 part of silane base silane, polyether-modified poly dimethyl silicon by weight
0.5 part of oxygen alkane, tri-n-butyl citrate 0.8.
Described aqueous polyurethane emulsion is hydroxyl-containing silicone modified aqueous polyurethane, and preparation method is: by weight, will
30 parts of tdi, 20 parts of polyethers, dmpa16 part, 18 parts of mix homogeneously of hydroxyl-containing silicone, are warming up to 90 DEG C, add organotin catalysts
0.5～3 part carries out reacting 6h, adds 10 parts of chain extender and carries out reacting 3h, adds acetone diluting reaction thing, add after cooling
In triethylamine with become salt, add water 20 parts of emulsifyings, remove acetone under reduced pressure, emulsion may finally be obtained.
The CNT of described surface hydroxylation is prepared as follows: by weight, by more than 0.5 part in ball grinder
Wall carbon nano tube is mixed with 12 parts of potassium hydroxide, plus ethanol in proper amount, and ball milling is after 15 hours, be washed with deionized reactant in
Property, CNT is put into and obtains final product after being dried 12 hours in 100 DEG C of vacuum drying ovens.
Preparation method comprises the following steps:
Aqueous polyurethane emulsion, the CNT of surface hydroxylation, Graphene, Paris white, calcium silicate powder, magnalium are closed
Add in paint grinder mill after bronze, auxiliary agent, water mix homogeneously and be ground to 30-50 μm, ultrasonic disperse uniformly, adds firming agent to mix
Close uniformly.
Embodiment 3
40 parts of aqueous polyurethane emulsion, 6 parts of the CNT of surface hydroxylation, 5 parts of methyl methacrylate, Graphene 3
Part, 6 parts of Paris white, 4 parts of calcium silicate powder, 2 parts of Al-Mg alloy powder, 1.5 parts of auxiliary agent, 30 parts of water, 8 parts of firming agent.
Described auxiliary agent includes 0.2 part of poly phosphate, 0.3 part of silane base silane, polyether-modified poly dimethyl silicon by weight
0.4 part of oxygen alkane, tri-n-butyl citrate 0.6.
Described aqueous polyurethane emulsion is hydroxyl-containing silicone modified aqueous polyurethane, and preparation method is: by weight, will
20 parts of tdi, 12 parts of polyethers, 12 parts of dmpa, 14 parts of mix homogeneously of hydroxyl-containing silicone, are warming up to 80 DEG C, add organotin catalyzed
1 part of agent carries out reacting 4h, adds 6 parts of chain extender and carries out reacting 2h, adds acetone diluting reaction thing, add three second after cooling
In amine with become salt, add water 15 parts of emulsifyings, remove acetone under reduced pressure, emulsion may finally be obtained.
The CNT of described surface hydroxylation is prepared as follows: by weight, by more than 0.2 part in ball grinder
Wall carbon nano tube is mixed with 10 parts of potassium hydroxide, plus ethanol in proper amount, and ball milling is after 15 hours, be washed with deionized reactant in
Property, CNT is put into and obtains final product after being dried 12 hours in 100 DEG C of vacuum drying ovens.
Preparation method comprises the following steps:
Aqueous polyurethane emulsion, the CNT of surface hydroxylation, Graphene, Paris white, calcium silicate powder, magnalium are closed
Add in paint grinder mill after bronze, auxiliary agent, water mix homogeneously and be ground to 30-50 μm, ultrasonic disperse uniformly, adds firming agent to mix
Close uniformly.
Embodiment 4
50 parts of aqueous polyurethane emulsion, 5 parts of the CNT of surface hydroxylation, 7 parts of methyl methacrylate, Graphene 4
Part, 8 parts of Paris white, 5 parts of calcium silicate powder, 3 parts of Al-Mg alloy powder, 1.1 parts of auxiliary agent, 40 parts of water, 10 parts of firming agent, 5 weight portions
Polyether-containing aminopolysiloxane.
Described auxiliary agent includes 0.1 part of poly phosphate, 0.2 part of silane base silane, polyether-modified poly dimethyl silicon by weight
0.3 part of oxygen alkane, 0.5 part of tri-n-butyl citrate.
Described aqueous polyurethane emulsion is hydroxyl-containing silicone modified aqueous polyurethane, and preparation method is: by weight, will
15 parts of tdi, 18 parts of polyethers, dmpa14 part, 16 parts of mix homogeneously of hydroxyl-containing silicone, are warming up to 85 DEG C, add organotin catalysts
2.5 parts carry out reacting 5h, add 8 parts of chain extender and carry out reacting 2h, add acetone diluting reaction thing, add three second after cooling
In amine with become salt, add water 15 parts of emulsifyings, remove acetone under reduced pressure, emulsion may finally be obtained.
The CNT of described surface hydroxylation is prepared as follows: by weight, by more than 0.1 part in ball grinder
Wall carbon nano tube is mixed with 12 parts of potassium hydroxide, plus ethanol in proper amount, and ball milling is after 15 hours, be washed with deionized reactant in
Property, CNT is put into and obtains final product after being dried 12 hours in 100 DEG C of vacuum drying ovens.
Described polyether-containing aminopolysiloxane is prepared as follows: s1: equipped with agitator, condensing tube, thermometer three
In mouth flask, add 400 weight portion d4, stirring, be warming up to 115 DEG C, add catalyst Tetramethylammonium hydroxide 0.24 weight portion,
About insulation half an hour, add coupling agent n- β (aminoethyl)-γ-aminopropyltriethoxy dimethoxy silane after viscosity significantly increases
20.8 weight portions, temperature control 115 DEG C about 6 hours, obtain amido silicon oil；S2: equipped with agitator, condensing tube, thermometer
In 1000ml there-necked flask, add the amido silicon oil of the above-mentioned synthesis of 200 weight portions, 150 parts by weight of activated polyethers, 105g isopropyl
Alcohol, at 80～92 DEG C, carries out back flow reaction, to reactant transparent after, be further continued for being incubated four hours, finally in 0.01mpa bar
Under part, cooling decompression sloughs isopropanol, obtains final product.
Preparation method comprises the following steps:
Aqueous polyurethane emulsion, the CNT of surface hydroxylation, Graphene, Paris white, calcium silicate powder, magnalium are closed
Add in paint grinder mill after bronze, auxiliary agent, water and other component mix homogeneously and be ground to 30-50 μm, ultrasonic disperse is uniform, plus
Enter firming agent mix homogeneously.
Above heat radiation coating is carried out with electromagnetic shielding and infrared heat dispersion characterizes, result is as follows:
As can be seen from the above table, heat radiation coating of the present invention has preferably anti-effectiveness, has less table
Surface resistance and larger shield effectiveness, by modified to aqueous polyurethane emulsion hydroxyl-containing silicone in the present invention, improve table
The compatibility of face polyurethane material and granular materialss so as to get face coat anti-effectiveness more preferable；By to carbon
Nanotube carries out hydroxylating modification, also improves its heat-conducting effect.
Ultimate principle and principal character and the advantages of the present invention of the present invention have been shown and described above.The skill of the industry
The simply explanation it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description for the art personnel
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 thereof.
Claims (8)
1. a kind of heat radiation coating is it is characterised in that include following components by weight:
30～50 parts of aqueous polyurethane emulsion, 5～8 parts of the CNT of surface hydroxylation, 4～7 parts of methyl methacrylate；Stone
2～4 parts of black alkene, 5～8 parts of Paris white, 3～5 parts of calcium silicate powder, 1～3 part of Al-Mg alloy powder, auxiliary agent 0.1-2.2 part, water 20
～40 parts, 6～10 parts of firming agent.
2. a kind of heat radiation coating according to claim 1 is it is characterised in that described auxiliary agent includes 0.1-0.5 part by weight
Dispersant, 0.2-0.4 part adhesion promoter, 0.3～0.5 part of levelling agent, plasticizer 0.5～0.8.
3. a kind of heat radiation coating according to claim 2 is it is characterised in that described dispersant is poly phosphate；Described attachment
Power accelerator is silane base silane；Described levelling agent is polyether-modified polydimethylsiloxane, and described plasticizer is citric acid three
N-butyl.
4. a kind of heat radiation coating according to claim 1 is it is characterised in that described aqueous polyurethane emulsion is alkane hydroxyl silicon
Oily modified aqueous polyurethane, preparation method is: by weight, by 10～30 parts of tdi, 8～20 parts of polyethers, dmpa8～16
Part, 10～18 parts of mix homogeneously of hydroxyl-containing silicone, are warming up to 70～90 DEG C, add 0.5～3 part of organotin catalysts to be reacted
3～6h, adds 5～10 parts of chain extender and carries out reacting 1～3h, add acetone diluting reaction thing, adds triethylamine after cooling
Neutralize into salt, add water 10～20 parts of emulsifyings, remove acetone under reduced pressure, emulsion may finally be obtained.
5. a kind of heat radiation coating according to claim 1 it is characterised in that described surface hydroxylation CNT press with
Lower section method preparation: by weight, in ball grinder, 0.1-0.5 part multi-walled carbon nano-tubes is mixed with 8-12 part potassium hydroxide,
Plus ethanol in proper amount, ball milling is after 15 hours, is washed with deionized reactant to neutral, CNT is put into 100 DEG C of vacuum and does
Obtain final product after being dried 12 hours in dry case.
6. a kind of heat radiation coating according to claim 1 is it is characterised in that also include 2-5 weight portion polyether modified amino
Silicone oil.
7. according to profit require a kind of heat radiation coating described in 6 it is characterised in that described polyether-containing aminopolysiloxane by the following method
Preparation: s1: equipped with agitator, condensing tube, the there-necked flask of thermometer, adding 400 weight portion d4, stirring, be warming up to 115
DEG C, add catalyst Tetramethylammonium hydroxide 0.24 weight portion, about insulation half an hour, add after viscosity significantly increases and be coupled
Agent n- β (aminoethyl)-γ-aminopropyltriethoxy dimethoxy silane 20.8 weight portion, temperature control 115 DEG C about 6 hours, obtain amino
Silicone oil；S2: equipped with agitator, condensing tube, the 1000ml there-necked flask of thermometer, add the ammonia of the above-mentioned synthesis of 200 weight portions
Base silicone oil, 150 parts by weight of activated polyethers, 105g isopropanol, at 80～92 DEG C, carry out back flow reaction, to reactant transparent after, then
Continue four hours of insulation, finally cooling decompression sloughs isopropanol under the conditions of 0.01mpa, obtains final product.
8. a kind of method preparing heat radiation coating as claimed in claim 1 is it is characterised in that comprise the following steps:
By aqueous polyurethane emulsion, the CNT of surface hydroxylation, methyl methacrylate, Graphene, Paris white, silicic acid
Add in paint grinder mill after calcium powder, Al-Mg alloy powder, auxiliary agent, water mix homogeneously and be ground to 30-50 μm, ultrasonic disperse is uniform,
Add firming agent mix homogeneously.
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| CN201610794475.1A CN106366721A (en) | 2016-08-31 | 2016-08-31 | Heat dissipation coating and preparation method thereof |
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| CN201610794475.1A CN106366721A (en) | 2016-08-31 | 2016-08-31 | Heat dissipation coating and preparation method thereof |
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| CN112552754A (en) * | 2020-12-10 | 2021-03-26 | 哈工大机器人(中山)无人装备与人工智能研究院 | Preparation method of graphene heat dissipation coating |
| CN114517422A (en) * | 2022-03-08 | 2022-05-20 | 湖南翠上环保科技有限公司 | Coating for paper products and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107217814A (en) * | 2017-07-18 | 2017-09-29 | 苏州灵均暖通科技有限公司 | A kind of compression-resistant type height radiating floor heating module |
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| CN111040571B (en) * | 2019-12-20 | 2022-03-22 | 歌尔股份有限公司 | Heat dissipation coating and preparation method and application thereof |
| CN112552754A (en) * | 2020-12-10 | 2021-03-26 | 哈工大机器人(中山)无人装备与人工智能研究院 | Preparation method of graphene heat dissipation coating |
| CN114517422A (en) * | 2022-03-08 | 2022-05-20 | 湖南翠上环保科技有限公司 | Coating for paper products and preparation method thereof |
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