CN1325579C - High-temperature thermal-insulation anticorrosive nano coating and its preparing method - Google Patents
High-temperature thermal-insulation anticorrosive nano coating and its preparing method Download PDFInfo
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- CN1325579C CN1325579C CNB2005100804884A CN200510080488A CN1325579C CN 1325579 C CN1325579 C CN 1325579C CN B2005100804884 A CNB2005100804884 A CN B2005100804884A CN 200510080488 A CN200510080488 A CN 200510080488A CN 1325579 C CN1325579 C CN 1325579C
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000002103 nanocoating Substances 0.000 title claims description 4
- 238000009413 insulation Methods 0.000 title abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 29
- 239000006185 dispersion Substances 0.000 claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims abstract description 27
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 239000003973 paint Substances 0.000 claims abstract description 16
- 239000002904 solvent Substances 0.000 claims abstract description 16
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 12
- 239000000049 pigment Substances 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims description 37
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 30
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 28
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 16
- 239000002131 composite material Substances 0.000 claims description 15
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 9
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- 239000004408 titanium dioxide Substances 0.000 claims description 9
- 239000011230 binding agent Substances 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 8
- 239000011259 mixed solution Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 239000004113 Sepiolite Substances 0.000 claims description 7
- 229910052624 sepiolite Inorganic materials 0.000 claims description 7
- 235000019355 sepiolite Nutrition 0.000 claims description 7
- 239000008247 solid mixture Substances 0.000 claims description 7
- 239000005995 Aluminium silicate Substances 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- 235000012211 aluminium silicate Nutrition 0.000 claims description 6
- 239000010425 asbestos Substances 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 6
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 6
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 6
- 239000004005 microsphere Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- ZTFZSHLWORMEHO-UHFFFAOYSA-A pentaaluminum;[oxido(phosphonatooxy)phosphoryl] phosphate Chemical compound [Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O.[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O.[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O ZTFZSHLWORMEHO-UHFFFAOYSA-A 0.000 claims description 6
- 235000019353 potassium silicate Nutrition 0.000 claims description 6
- 229910052895 riebeckite Inorganic materials 0.000 claims description 6
- 229920002050 silicone resin Polymers 0.000 claims description 6
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 6
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 6
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical group CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims description 6
- 239000010456 wollastonite Substances 0.000 claims description 6
- 229910052882 wollastonite Inorganic materials 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000012046 mixed solvent Substances 0.000 claims description 3
- 239000005543 nano-size silicon particle Substances 0.000 claims description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000080 wetting agent Substances 0.000 claims description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 239000005083 Zinc sulfide Substances 0.000 claims description 2
- 238000004581 coalescence Methods 0.000 claims description 2
- 239000013530 defoamer Substances 0.000 claims description 2
- 239000008367 deionised water Substances 0.000 claims description 2
- 229910021641 deionized water Inorganic materials 0.000 claims description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 2
- 239000003063 flame retardant Substances 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 230000008719 thickening Effects 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 229910052984 zinc sulfide Inorganic materials 0.000 claims description 2
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 abstract description 7
- 239000003513 alkali Substances 0.000 abstract description 5
- 150000003839 salts Chemical class 0.000 abstract description 5
- 239000002253 acid Substances 0.000 abstract description 4
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Inorganic materials O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 2
- YEAUATLBSVJFOY-UHFFFAOYSA-N tetraantimony hexaoxide Chemical compound O1[Sb](O2)O[Sb]3O[Sb]1O[Sb]2O3 YEAUATLBSVJFOY-UHFFFAOYSA-N 0.000 abstract 2
- 230000006750 UV protection Effects 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000000945 filler Substances 0.000 abstract 1
- 239000003595 mist Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 239000002086 nanomaterial Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 208000037656 Respiratory Sounds Diseases 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000005187 foaming Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000006115 industrial coating Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229960001866 silicon dioxide Drugs 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical group [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910001867 inorganic solvent Inorganic materials 0.000 description 1
- 239000003049 inorganic solvent Substances 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The present invention discloses new industrial paint which is prepared from the following raw materials: 95 to 105 portions by weight of component A and 1 to 3 portions by weight of component B, wherein the component A is prepared from the following raw materials: 30 to 60 wt% of adhesive, 12 to 30 wt% of pigment, 10 to 30 wt% of filling agent, 0.1 to 5 wt% of auxiliary agent, 5 to 15 wt% of compound nano dispersion liquid and 10 to 25 wt% of solvent; the component B is prepared from nano-stage Sb2O3 as a catalyzed film forming agent and a mixed organic solvent carrier of the catalyzed film forming agent. In the present invention, the nano-stage Sb2O3 is used as a catalyst in the film forming process of paint to be introduced to high-temperature heat-insulation paint for the first time. The paint of the present invention has the advantages of high temperature, heat insulation, favorable anticorrosion property, high flame resistance, favorable water-proof property, high adhesion force of a coating film, high film forming speed and stable performance, and the coating film has the advantages of high acid resistance, alkali resistance, salt mist resistance, oil resistance, chemical reagent resistance, weatherability and ultraviolet resistance.
Description
Technical field
The present invention relates to a kind of coating, relate in particular to a kind of soak, anticorrosive nano coating and preparation method thereof, belong to chemical field.
Background technology
Soak coating is widely used in many industries such as oil, chemical industry, metallurgy, electric power, heating power, machinery, building, but problem such as ubiquity high temperature oxidation and corrosion in use.For addressing this problem, Chinese scholars has been carried out a large amount of research from nineteen seventies, and has successively released a lot of successful products.But the film-forming process of these coating is comparatively complicated, as need magnetron sputtering, electric arc spraying, plasma spray coating, and the expense costliness.Simultaneously most of products can not have high temperature resistant, high-efficiency insulated and heavy anti-corrosion function simultaneously, as with organosilicon and the film forming coating of floating type aluminium powder, can be high temperature resistant, but under sour environment, filming is easy to be corroded.From the nineties, along with the application of nano material, the coating worker begins to attempt nano material is introduced in the coating, but because the nano material specific surface energy is big, easily reunites, thereby be not easy to be uniformly dispersed, and coating producing process is had higher requirement.
The big more options of tradition thermal insulation coatings add as sepiolite, thermal insulation inorganic material that the perlite powder isodensity is little, by the heat passage remarkable resistance of object is realized its heat insulating effect, therefore this is remarkable to the heat insulation effect that conducts heat with conduction, convection type, and usually can't reach good heat insulation effect to the heat (particularly under high-temperature condition) that transmits with radiation mode.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, provides a kind of under the basis that guarantees functions such as anticorrosion, fire prevention, waterproof, realizes the nano industrial coating of high temperature resistant (below 600 ℃) heat insulation function.
Technical problem to be solved by this invention realizes by following technological approaches:
A kind of high-temperature-resistant thermal-insulation nano industrial coating, make by the raw material of following weight part:
95～105 parts of A components, 1～3 part of B component; A component and B component are packed separately.Be preferably: 100 parts of A components, 2 parts of B components.
Wherein, the A component is made by following raw materials by weight percent: binding agent 30～60%, pigment 12～30%, weighting agent 10～30%, auxiliary agent 0.1～5%, composite Nano dispersion liquid 5～15%, solvent 10～25%.Be preferably: binding agent 35～45%, pigment 12～20%, weighting agent 11～19%, auxiliary agent 0.3～1.0%, composite Nano dispersion liquid 5～7%.More preferably: binding agent 45%, pigment 20%, weighting agent 18.5%, auxiliary agent 0.5%, composite Nano dispersion liquid 6%, solvent 10%.
The B component is made by following raw materials by weight percent: nanometer Sb
2O
3(particle diameter is less than 100nm) 1～5%, carrier 95～99%; More preferably made by following raw materials by weight percent: particle diameter is less than the Sb of 100nm
2O
35%, carrier 95%.
Described binding agent is any of any or their mixtures in modified epoxy, silicone resin, urethane resin, water glass, aluminium colloidal sol or the silicon sol.Be preferably any of any or their mixtures in the following material: water glass, modified epoxy, silicone resin, urethane resin.
Described pigment is any of any or their mixtures in sepiolite powder, diatomite, glass microsphere, zirconia powder, kaolin, aluminium triphosphate, the glass flake.Be preferably any of any or their mixtures in the following material: kaolin, glass microsphere, sepiolite, aluminium triphosphate, zirconium dioxide.
Described weighting agent is any of any or their mixtures in talcum powder, silica powder, light calcium carbonate, mica powder, zinc sulfide white, titanium dioxide, oxide powder and zinc, aluminum oxide powder, silicon dioxide powder, terra alba, asbestos powder, the wollastonite powder.Be preferably any of any or their mixtures in the following material: titanium dioxide, aluminum oxide powder, wollastonite powder, light calcium carbonate, asbestos powder, terra alba.
Described composite Nano dispersion liquid comprises multiple nano material and wetting agent, dispersion agents etc. such as nano silicon, nano aluminium oxide, nano titanium oxide.This dispersion liquid can reach chemical industry company limited available from Shangyu, Zhejiang Province city space, and its trade name is " space reaches board " composite Nano dispersion liquid.
Described auxiliary agent comprises film coalescence aid, anti-settling agent, defoamer, thickening material, flow agent, fire retardant etc.Be preferably: tributyl phosphate.
Described solvent can be any of any or their mixtures in the Virahol, ethyl acetate, dimethylbenzene, ethylene glycol, butanols of organic solvent, or the deionized water of inorganic solvent, NaOH solution.Be preferably dimethylbenzene or NaOH solution.
Described carrier is any of any or their mixtures in the organic solvents such as dimethylbenzene, ethylene glycol, butanols.
The used raw material of the present invention all can be bought from market and obtain, and its specification meets chemical standard.
Another object of the present invention provides a kind of method for preparing coating of the present invention, may further comprise the steps:
1, prepare the A component by the following method:
1) caking agent is dissolved in the solvent, behind the uniform mixing, gets mixed solution 1;
2), get solid mixture 2 with pigment, weighting agent uniform mixing;
3) solid mixture 2 is joined in the mixed solution 1 high speed dispersion;
4) in the resulting dispersion liquid of step 3), add auxiliary agent, composite Nano dispersion liquid, high speed homodisperse again;
5) be ground to the coating fineness and reach 30-4 μ m, standby;
2, prepare the B component by the following method:
With nanometer Sb
2O
3Mix by following part by weight with carrier: 1～5: 99～95, after evenly stirring promptly;
3, with A, B two-pack in 95～105: 1～3 weight part ratio mixes, and promptly gets coating of the present invention.
The present invention is incorporated into different nano materials in the coating respectively in the production process of coating.Wherein, multiple nano material such as nano silicon, nano aluminium oxide, nano titanium oxide and wetting agent, dispersion agent etc. are the forms by the composite Nano dispersion liquid, introduce in the A component; Nanometer grade antimony trioxide then is by its specific carrier, and promptly one or more in dimethylbenzene, ethylene glycol, the butanols equal solvent are incorporated among the B component of coating.
Success of the present invention with nanometer Sb
2O
3Form with catalyzer is applied in the coating film process.At nanometer Sb
2O
3In the structure, because material is in the nanoscale scope, the specific surface area of material surface is very big, causes material surface electronics coordination deficiency, thereby has greatly increased the surfactivity of material; On the other hand, because the electronic configuration of antimony atoms is (Kr) 4d
105s
25p
3, be in semisteady-state, in the cross-linking and curing reaction process of filming, can realize Sb
+ 5, Sb
+ 3Mutual conversion, therefore, nanometer Sb
2O
3In the curing of coating process, can play significant katalysis.
Simultaneously, the present invention selects the silicate sturcture material for use, and fine powder such as aluminum oxide, titanium dioxide can significantly improve coating to ultrared radiation capacity in addition, go out thereby the radiation of coatingsurface can be converted into the heat reflection electromagenetic wave radiation, thereby reach significant effect of heat insulation.
In a word, coating of the present invention has following advantage:
1, resistance to elevated temperatures and resistance to low temperature are good.
2, have high-efficiency insulated and heavy antiseptic property concurrently, the acid resistance of filming, alkali resistance, salt spray resistance, oil-proofness, chemical-resistant reagent, weathering resistance, anti-ultraviolet property excellence.
3, have excellent fire line and water-repellancy.
4, film adhesive is good, and film forming speed is fast, stable performance.
Further describe beneficial effect of the present invention by the following examples, it should be understood that these embodiment only are used for the purpose of illustration, never limit the scope of the invention.
Embodiment
[embodiment 1]
1, the preparation of A component:
By following weight (unit: Kg) take by weighing each raw material:
Water glass (20%) 35Kg, kaolin 15Kg, solvent (the 50%NaOH aqueous solution) 6Kg, titanium dioxide 6.5Kg, aluminum oxide powder 5Kg, glass microsphere 8Kg, asbestos powder 7Kg, wollastonite powder 12Kg, composite Nano dispersion liquid 5Kg, tributyl phosphate 0.5Kg.
Production technique:
1), water glass, kaolin are dissolved in the NaOH aqueous solution, stir after leaving standstill mixed solution 1, standby;
2), with titanium dioxide, aluminum oxide powder, glass microsphere, asbestos powder, wollastonite powder thorough mixing evenly after, solid mixture 2, standby;
3), solid mixture 2 is joined in the mixed solution 1 high speed dispersion 20-30 minute (rotating speed 1000rpm);
4), in above-mentioned solution, add the composite Nano dispersion liquid, and add tributyl phosphate etc., high speed dispersion 20-30 minute (rotating speed 800rpm);
5), be ground to the coating fineness with three-roll grinder and reach 30-40 μ m, standby;
2, the preparation of B component:
Take by weighing each raw material: nanometer Sb by following weight
2O
3(particle diameter is 20nm) 5Kg, carrier (mixed solvent: dimethylbenzene: butanols: 95Kg ethylene glycol=4: 3: 3).
Concrete compound method is:
1) dimethylbenzene, ethylene glycol, butanols are mixed by following part by weight: stir at 4: 3: 3, get carrier (mixed organic solvents);
2) with nanometer Sb
2O
3Mix by following part by weight with mixed organic solvents: 5: 95, stir promptly, standby.
3,10kgA component and 0.2kgB component are mixed, promptly get coating of the present invention, in 24 hours, use.
With this coating of filling a prescription and producing, the drying varniss time fast (surface drying 2-4 hour, did solid work 18-22 hour), strong adhesion, snappiness is good, and heat insulation effect is obvious in 400 ℃ alkaline pipeline, and has excellent alkali resistance, oil-proofness, salt fog resistance, weathering resistance etc.
[embodiment 2]
1, the preparation of A component:
Take by weighing each raw material by following weight: modified epoxy 10Kg, silicone resin 25Kg, urethane resin 3Kg, solvent (dimethylbenzene) 25Kg, sepiolite powder 4Kg, aluminium triphosphate 5Kg, titanium dioxide 5Kg, aluminum oxide powder 4Kg, zirconium dioxide 6Kg, light calcium carbonate 3Kg, silicon-dioxide 3Kg, terra alba 0.4Kg, composite Nano dispersion liquid 6Kg, tributyl phosphate 0.6Kg.
Preparation technology:
1), modified epoxy, silicone resin, urethane resin are dissolved in the solvent (dimethylbenzene), stir after leaving standstill mixed solution 1.
2), with sepiolite powder, aluminium triphosphate, titanium dioxide, aluminum oxide powder, zirconium dioxide, light calcium carbonate, silicon-dioxide, terra alba thorough mixing evenly after, solid mixture 2;
3), object mixture 2 is joined in the mixed solution 1 high speed dispersion 20-30 minute (rotating speed 1300rpm).
4), in above-mentioned solution, add the composite Nano dispersion liquid, and add tributyl phosphate etc., high speed dispersion 20-30 minute (rotating speed 1000rpm).
5), be ground to the coating fineness and reach 30-4 μ m with three-roll grinder.
2, the preparation of B component:
Take by weighing each raw material: nanometer Sb by following weight
2O
3(particle diameter is 20nm) 5Kg, carrier (mixed solvent: dimethylbenzene: butanols: 95Kg ethylene glycol=4: 3: 3).
Concrete compound method is:
1) dimethylbenzene, ethylene glycol, butanols are mixed by following part by weight: stir at 4: 3: 3, get carrier (mixed organic solvents);
2) with nanometer Sb
2O
3Mix by following part by weight with mixed organic solvents: 5: 95, stir promptly, standby.
3,10kgA component and 0.2kg B component are mixed, promptly get coating of the present invention, in 24 hours, use.
With this coating of filling a prescription and producing, fast (surface drying 5-8 hour of drying varniss time, did solid work 30-48 hour), strong adhesion, snappiness is good, excellent performances such as acid resistance, alkali resistance, oil-proofness, salt fog resistance, weathering resistance, uvioresistant, fire prevention, waterproof have high-efficiency insulated effect in 600 ℃ thermodynamic steam pipeline.
Below be every index result that the embodiment of the invention 1 prepared product is checked in national building materials test center.
| Interventions Requested | Test value | Reference standard |
| Ultimate compression strength | 4.19MPa | GB/T?5486.3-2001 |
| Maximum operation (service) temperature | 600℃ | |
| Thermal conductivity (400 ℃) | 0.106W/(m·K) | GB/T?10294-1988 |
| Acid resistance (10%HCl, 288h) | Paint film does not have foaming, peels off, crackle | GB/T?1763-1989 |
| Alkali resistance (15%NaOH, 288h) | Paint film does not have foaming, peels off, crackle | |
| Water tolerance (288h) | Paint film does not have foaming, peels off, crackle | GB/T?1733-1993 |
| Anti-neutral salt spray (600h) | Paint film does not have foaming, peels off, crackle | GB/T?1771-1991 |
| Artificial ageing resistance (500h) | 0.95 | GB/T?1865-1997 |
Claims (10)
1, a kind of soak, anticorrosive nano coating are made up of the raw material of following weight part: 95～105 parts of A components, 1～3 part of B component; A component and B component are packed separately; Wherein, the A component is made by following raw materials by weight percent: binding agent 30～60%, pigment 12～30%, weighting agent 10～30%, auxiliary agent 0.1～5%, composite Nano dispersion liquid 5～15%, solvent 10～25%; The B component is made by following raw materials by weight percent: particle diameter is less than the Sb of 100nm
2O
31～5%, carrier 95～99%;
Described binding agent is any of any or their mixtures in the following material: modified epoxy, silicone resin, urethane resin, water glass, aluminium colloidal sol, silicon sol; Described pigment is one or more in the following material: sepiolite powder, diatomite, glass microsphere, zirconia powder, kaolin, aluminium triphosphate, glass flake; Described weighting agent is any of any or their mixtures in the following material: talcum powder, silica powder, light calcium carbonate, mica powder, zinc sulfide white, titanium dioxide, oxide powder and zinc, aluminum oxide powder, silicon dioxide powder, terra alba, asbestos powder, wollastonite powder; Described auxiliary agent is one or more in the following auxiliary agent: film coalescence aid, anti-settling agent, defoamer, thickening material, flow agent, fire retardant; Described composite Nano dispersion liquid comprises nano silicon, nano aluminium oxide, nano titanium oxide and wetting agent thereof, dispersion agent; Described solvent is any of any or their mixtures in the following solvents: Virahol, ethyl acetate, dimethylbenzene, ethylene glycol, butanols, or be a kind of of deionized water, NaOH solution; Described carrier is any of any or their mixtures in the following solvents: dimethylbenzene, ethylene glycol, butanols.
2, according to the nano paint of claim 1, it is characterized in that the weight part of each raw material is: 100 parts of A components, 2 parts of B components; The A component is made by following raw materials by weight percent: binding agent 45%, pigment 20%, weighting agent 18.5%, auxiliary agent 0.5%, composite Nano dispersion liquid 6%, solvent 10%; The B component is made by following raw materials by weight percent: particle diameter is less than the Sb of 100nm
2O
35%, carrier 95%.
3,, it is characterized in that described binding agent is any of any or their mixtures in the following material: water glass, modified epoxy, silicone resin, urethane resin according to the nano paint of claim 1.
4,, it is characterized in that described pigment is any of any or their mixtures in the following material: kaolin, glass microsphere, sepiolite powder, aluminium triphosphate, zirconia powder according to the nano paint of claim 1.
5,, it is characterized in that described weighting agent is any of any or their mixtures in the following material: titanium dioxide, aluminum oxide powder, wollastonite powder, light calcium carbonate, asbestos powder, terra alba according to the nano paint of claim 1.
6,, it is characterized in that described auxiliary agent is a tributyl phosphate according to the nano paint of claim 1.
7,, it is characterized in that described solvent is NaOH solution or dimethylbenzene according to the nano paint of claim 1.
8,, it is characterized in that the mixed solvent that described carrier is made up of dimethylbenzene, butanols and ethylene glycol according to the nano paint of claim 1.
9,, it is characterized in that described Sb according to the nano paint of claim 1
2O
3Particle diameter be 20nm.
10, a kind of method for preparing the described coating of claim 1 comprises the steps:
(1), preparation A component:
1) caking agent is dissolved in the solvent, behind the uniform mixing, gets mixed solution 1;
2), get solid mixture 2 with pigment, weighting agent uniform mixing;
3) solid mixture 2 is joined in the mixed solution 1, high speed dispersion gets dispersion liquid;
4) in the dispersion liquid of step 3) gained, add behind auxiliary agent, the composite Nano dispersion liquid high speed homodisperse again;
5) be ground to the coating fineness and reach 30-40 μ m, standby;
(2), preparation B component:
With the Sb of particle diameter less than 100nm
2O
3With carrier by 1～5: 99～95 part by weight mixes, after the stirring promptly;
(3), with A, B two-pack in 95～105: 1～3 weight part ratio mixes, and promptly gets coating of the present invention.
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| CNB2005100804884A CN1325579C (en) | 2005-07-05 | 2005-07-05 | High-temperature thermal-insulation anticorrosive nano coating and its preparing method |
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|---|---|---|---|
| CNB2005100804884A CN1325579C (en) | 2005-07-05 | 2005-07-05 | High-temperature thermal-insulation anticorrosive nano coating and its preparing method |
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| CN1325579C true CN1325579C (en) | 2007-07-11 |
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