CN103450719B - A kind of long-acting aqueous, environmental protective steel construction protection coating - Google Patents
A kind of long-acting aqueous, environmental protective steel construction protection coating Download PDFInfo
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- CN103450719B CN103450719B CN201310407058.3A CN201310407058A CN103450719B CN 103450719 B CN103450719 B CN 103450719B CN 201310407058 A CN201310407058 A CN 201310407058A CN 103450719 B CN103450719 B CN 103450719B
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- 238000000576 coating method Methods 0.000 title claims abstract description 133
- 239000011248 coating agent Substances 0.000 title claims abstract description 106
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 40
- 239000010959 steel Substances 0.000 title claims abstract description 40
- 238000010276 construction Methods 0.000 title claims abstract description 33
- 230000001681 protective effect Effects 0.000 title claims abstract description 29
- 230000007613 environmental effect Effects 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 100
- 239000000203 mixture Substances 0.000 claims abstract description 75
- 239000000839 emulsion Substances 0.000 claims abstract description 68
- 229920005989 resin Polymers 0.000 claims abstract description 54
- 239000011347 resin Substances 0.000 claims abstract description 54
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims abstract description 46
- 239000002253 acid Substances 0.000 claims abstract description 35
- 239000004816 latex Substances 0.000 claims abstract description 34
- 229920000126 latex Polymers 0.000 claims abstract description 34
- 239000004111 Potassium silicate Substances 0.000 claims abstract description 28
- 235000019353 potassium silicate Nutrition 0.000 claims abstract description 28
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052913 potassium silicate Inorganic materials 0.000 claims abstract description 28
- 239000004110 Zinc silicate Substances 0.000 claims abstract description 25
- 235000019352 zinc silicate Nutrition 0.000 claims abstract description 25
- XSMMCTCMFDWXIX-UHFFFAOYSA-N zinc silicate Chemical compound [Zn+2].[O-][Si]([O-])=O XSMMCTCMFDWXIX-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 24
- 239000010703 silicon Substances 0.000 claims abstract description 22
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 22
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229920005613 synthetic organic polymer Polymers 0.000 claims abstract description 19
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 12
- 229920001909 styrene-acrylic polymer Polymers 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 56
- 239000012752 auxiliary agent Substances 0.000 claims description 47
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 34
- 239000000945 filler Substances 0.000 claims description 31
- 239000000049 pigment Substances 0.000 claims description 30
- 239000006185 dispersion Substances 0.000 claims description 27
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 27
- 230000003647 oxidation Effects 0.000 claims description 26
- 238000007254 oxidation reaction Methods 0.000 claims description 26
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 25
- -1 frostproofer Substances 0.000 claims description 24
- 239000000843 powder Substances 0.000 claims description 21
- 238000004581 coalescence Methods 0.000 claims description 16
- 239000000080 wetting agent Substances 0.000 claims description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical group OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 15
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 15
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 12
- 239000013530 defoamer Substances 0.000 claims description 12
- 239000002585 base Substances 0.000 claims description 11
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 10
- 239000010445 mica Substances 0.000 claims description 10
- 229910052618 mica group Inorganic materials 0.000 claims description 10
- 230000008719 thickening Effects 0.000 claims description 10
- 239000011701 zinc Substances 0.000 claims description 10
- 229910052725 zinc Inorganic materials 0.000 claims description 10
- 229920002125 Sokalan® Polymers 0.000 claims description 9
- 239000004584 polyacrylic acid Substances 0.000 claims description 9
- 239000000377 silicon dioxide Substances 0.000 claims description 9
- 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 8
- 239000002131 composite material Substances 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 239000004408 titanium dioxide Substances 0.000 claims description 7
- 239000005995 Aluminium silicate Substances 0.000 claims description 6
- 229910001200 Ferrotitanium Inorganic materials 0.000 claims description 6
- 235000012211 aluminium silicate Nutrition 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
- 239000007787 solid Substances 0.000 claims description 6
- 229940058020 2-amino-2-methyl-1-propanol Drugs 0.000 claims description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 5
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 claims description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 5
- 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 5
- 229920005646 polycarboxylate Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- 239000004094 surface-active agent Substances 0.000 claims description 5
- 230000008961 swelling Effects 0.000 claims description 5
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 5
- 239000011787 zinc oxide Substances 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 4
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 4
- YGBGWFLNLDFCQL-UHFFFAOYSA-N boron zinc Chemical compound [B].[Zn] YGBGWFLNLDFCQL-UHFFFAOYSA-N 0.000 claims description 4
- 239000004927 clay Substances 0.000 claims description 4
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 4
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 4
- 229920000058 polyacrylate Polymers 0.000 claims description 4
- 159000000000 sodium salts Chemical class 0.000 claims description 4
- 239000010456 wollastonite Substances 0.000 claims description 4
- 229910052882 wollastonite Inorganic materials 0.000 claims description 4
- 239000001034 iron oxide pigment Substances 0.000 claims description 3
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 229960001866 silicon dioxide Drugs 0.000 claims description 3
- 239000003973 paint Substances 0.000 abstract description 9
- 230000002335 preservative effect Effects 0.000 abstract description 2
- 230000003750 conditioning effect Effects 0.000 description 14
- 238000002360 preparation method Methods 0.000 description 10
- 238000003756 stirring Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000002421 anti-septic effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 239000012855 volatile organic compound Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910008051 Si-OH Inorganic materials 0.000 description 2
- 229910006358 Si—OH Inorganic materials 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 235000011089 carbon dioxide Nutrition 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- MOVRNJGDXREIBM-UHFFFAOYSA-N aid-1 Chemical compound O=C1NC(=O)C(C)=CN1C1OC(COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)CO)C(O)C1 MOVRNJGDXREIBM-UHFFFAOYSA-N 0.000 description 1
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Abstract
A kind of long-acting aqueous, environmental protective steel construction protection coating, the base paint of this protective cover is aqueous inorganic zinc silicate coating, middle coating is water-based silicon-acrylic coatings, coating materials is aqueous fluorocarbon coating, the raw material composition of aqueous inorganic zinc silicate coating comprises high-module potassium silicate inorganic nano resin, synthetic organic polymer emulsion, and the modulus of high-module potassium silicate inorganic nano resin is 5.3 ~ 6.2, grain diameter is 5 ~ 20nm, synthetic organic polymer emulsion is waterborne styrene-acrylic emulsion, water-based pure-acrylic emulsion, water-based organosilicon crylic acid latex, water-base fluorocarbon emulsion, one or more in water-based fluoro-silicone emulsion, the raw material composition of water-based silicon-acrylic coatings comprises silicon propyl group material, and silicon propyl group material is the one in the mixture of the mixture of organosilicon crylic acid latex and pure-acrylic emulsion, organosilicon crylic acid latex and benzene emulsion, organosilicon crylic acid latex.Invention significantly improves the anticorrosion of protective cover and weather resistance, its preservative effect reaches 20 years, the weather-proof time is more than 20 years.
Description
Technical field
The present invention relates to a kind of protective system, be specifically related to a kind of long-acting aqueous, environmental protective steel construction protection coating, be applicable to the anticorrosion and weather resistance improving coating.
Background technology
Steel construction is one of of paramount importance material of construction in infrastructure construction, day by day deep along with to steel construction research and apply, people also more and more pay close attention to the endurance issues of steel construction, especially for various great Infrastructure and the corrosion-resistant problem of the steel construction of being on active service in different environments.The corrosion of steel construction, throughout national economy every field, brings huge loss to national economy.One of method that steel structure anti-corrosion is effective, the most the most frequently used is exactly the surface-coated erosion shield at steel construction, with isolated corrosive medium and steel construction matrix.
Enter 21 century, environment protection more and more receives global concern.Solvent based coating contains volatile organic compounds (VOC), in use can be discharged in air, not only the health of harmful people, and is also apparent to the hazardness of environment.In recent years, various countries are the quantity discharged of control VOC, have worked out the regulation of increasingly stringent, effectively to control organic discharge.The general orientation of the new millennium coatings industry of development environment-friendly type coating, water-based anticorrosive paint is a wherein important series products.
Chinese patent: patent publication No. is CN102031053A, publication date is that the patent of invention on April 27th, 2011 discloses a kind of anti-corrosion coating for surface of steel structure and preparation method thereof, and this coating is made up of water-base epoxy primer for rusty surface, water-based epoxy micaceous iron intermediate coat and the untouchable paint of aqueous acrylamide acid cloud.Although this coating has higher erosion resistance and sticking power, and is water-borne coatings, nontoxic, pollution-free, still have following defect:
What in this invention, priming paint was selected is water-base epoxy primer for rusty surface, the sticking power of this priming paint mainly leans on epoxy resin to the cohesive force of steel structure surface, belong to physical adsorption, sticking power is less, and belonging to organic resin due to epoxy resin, its weathering resistance is poor, easily agingly comes off, sticking power can reduce further along with the aging of epoxy resin, thus causes antiseptic property to lose efficacy.
Summary of the invention
The object of the invention is to overcome the short problem of less, the anticorrosion timeliness of the sticking power existed in prior art, the long-acting aqueous, environmental protective steel construction protection coating that a kind of sticking power is larger is provided.
For realizing above object, the invention provides following technical scheme:
A kind of long-acting aqueous, environmental protective steel construction protection coating, described protective cover comprises coating in aqueous primer, water-based, aqueous overcoating material;
Described aqueous primer is aqueous inorganic zinc silicate coating, and its raw material composition comprises high-module potassium silicate inorganic nano resin, and the modulus of described high-module potassium silicate inorganic nano resin is 5.3 ~ 6.2, and grain diameter is 5 ~ 20nm.
The raw material composition of described aqueous inorganic zinc silicate coating comprises component A, B component, and the weight ratio of described component A and B component is 1: 1.2 ~ 2.5;
The composition of described component A and weight ratio thereof are: high-module potassium silicate inorganic nano resin 70 ~ 98, synthetic organic polymer emulsion 1 ~ 30, auxiliary agent 1 ~ 5, and the solid content of high-module potassium silicate inorganic nano resin is 26% ~ 30%;
The composition of described B component and weight ratio thereof are: zinc powder 60 ~ 99, antirust filler 1 ~ 40.
Described synthetic organic polymer emulsion is one or more in waterborne styrene-acrylic emulsion, water-based pure-acrylic emulsion, water-based organosilicon crylic acid latex, water-base fluorocarbon emulsion, water-based fluoro-silicone emulsion;
A described auxiliary agent is one or more in a defoamer, dispersion agent, anti-settling auxiliary agent, thickening material, rust oxidation;
Described zinc powder is one or more in flake zinc powder, spherical zinc powder;
Described antirust filler is one or more in ultra-fine ferrophosphorus powder, ultra-fine ferrotitanium powder, ultrafine mica powder, wollastonite, aluminium triphosphate, zinc boron composite oxides, zinc oxide.
A described defoamer is one or more in W-090, BYK-028, DF1181;
A described dispersion agent is polyacrylic acid sodium salt or ammonium polyacrylate salt;
Described anti-settling auxiliary agent is one or more in organobentonite, organo-clay;
Described thickening material is one or more in Natvosol, hydroxypropylcellulose;
Described rust oxidation is organic zinc complex.
In described water-based, coating is water-based silicon-acrylic coatings, and its raw material composition comprises silicon propyl group material, and described silicon propyl group material is the one in the mixture of the mixture of organosilicon crylic acid latex and pure-acrylic emulsion, organosilicon crylic acid latex and benzene emulsion, organosilicon crylic acid latex.
The raw material composition of described water-based silicon-acrylic coatings and weight ratio thereof are: silicon propyl group material 40 ~ 80, pigment 1 ~ 30, filler 2 ~ 40, No. two auxiliary agents 1 ~ 20, water 5 ~ 25.
Described aqueous overcoating material is aqueous fluorocarbon coating, and the raw material composition of described aqueous fluorocarbon coating and weight ratio thereof are: fluorocarbon resin 40 ~ 90, pigment 1 ~ 30, filler 5 ~ 30, No. two auxiliary agents 1 ~ 20, water 5 ~ 25.
Described fluorocarbon resin is the one in the polymer-modified mixture of water-based fluorocarbon resin, water-based fluorocarbon resin and water-based silicon third.
Described pigment is one or more in Rutile type Titanium Dioxide, nano titanium oxide, phthalocyanine pigment, composite pigment, iron oxide pigment;
Described filler is one or more in silicon-dioxide, water-ground limestone, kaolin, barium sulfate, mica powder, diatomite, talcum powder;
Described No. two auxiliary agents are one or more in rust oxidation, No. two dispersion agents, frostproofer, film coalescence aid, wetting agent, sterilant, pH value conditioning agent, auxiliary rheological agents, No. two defoamers.
Described rust oxidation is organic zinc complex;
Described No. two dispersion agents are polycarboxylate sodium or poly carboxylic acid ammonia salt;
Described frostproofer is ethylene glycol or propylene glycol;
Described film coalescence aid is lauryl alcohol ester;
Described wetting agent is polysiloxane surfactant, modified polyorganosiloxane or polymeric carboxylic amine salt;
Described sterilant is the mixture of 5-nitrogen-MIT and MIT;
Described pH value conditioning agent is ammoniacal liquor or 2-amino-2-methyl-1-propanol;
Described auxiliary rheological agents is nonionic polyurethane polymkeric substance or hydrophobically-modified alkali swelling type polyacrylic acid;
Described No. two defoamers are water drain silica or modified polyorganosiloxane.
Compared with prior art, beneficial effect of the present invention is:
1, in a kind of long-acting aqueous, environmental protective steel construction protection coating of the present invention, aqueous primer is aqueous inorganic zinc silicate coating, this coating can work by iron that is direct and steel structure surface, form very strong chemical bond, belong to chemisorption, its sticking power is larger, and the modulus of the high-module potassium silicate inorganic nano resin of this coating employing is 5.3 ~ 6.2, grain diameter is 5 ~ 20nm, modulus is controlled ensure that high-module potassium silicate inorganic nano resin reactive behavior is in the curing process higher 5.3 ~ 6.2, simultaneously, the grain diameter of high-module potassium silicate inorganic nano resin is less, specific surface area is large, the dispersiveness of Si-OH is better, and then increase the sticking power of coating to steel substrate.Therefore, the sticking power of the present invention to steel construction is larger.
2, in a kind of long-acting aqueous, environmental protective steel construction protection coating of the present invention, synthetic organic polymer emulsion is one or more in waterborne styrene-acrylic emulsion, water-based pure-acrylic emulsion, water-based organosilicon crylic acid latex, water-base fluorocarbon emulsion, water-based fluoro-silicone emulsion; above-mentioned synthetic organic polymer emulsion is adopted to carry out modification to high-module potassium silicate inorganic nano resin; the fragility of inorganic nano resin can be improved; the advantage of inorganic resin good weatherability can be given full play to again, make it not easily aging.Therefore, in the present invention, the weathering resistance of base paint is better.
What 3, in a kind of long-acting aqueous, environmental protective steel construction protection coating of the present invention, zinc powder selected is one or more in flake zinc powder, spherical zinc powder, compared with the zinc powder of other shapes, flake zinc powder particles is parallel folded array in film, zinc particle not only plays sacrificial anode effect in film, and can also shielding effect be played, greatly reduce the infiltration of water molecules in film, thus strengthen the antiseptic property of coating; Spherical zinc powder is easy to dispersion, is conducive to coating film forming, and then improves antiseptic property; In addition, in water-based, coating is water-based silicon-acrylic coatings, its raw material composition comprises silicon propyl group material, described silicon propyl group material is the mixture of the mixture of organosilicon crylic acid latex, organosilicon crylic acid latex and pure-acrylic emulsion, organosilicon crylic acid latex and benzene emulsion, compared with other emulsions, organosilicon crylic acid latex because of particle diameter little, can penetrate in the pore of undercoat better, corrosive medium and the steel construction substrate contact such as the water in effective entry deterrence coating and carbonic acid gas, shield effectiveness is obvious, and antiseptic property is excellent.Therefore, invention significantly improves the antiseptic property of coating.
4, in a kind of long-acting aqueous, environmental protective steel construction protection coating of the present invention, aqueous overcoating material is aqueous fluorocarbon coating; and the raw material of aqueous fluorocarbon coating composition and weight ratio thereof are: fluorocarbon resin 40 ~ 90; pigment 1 ~ 30; filler 5 ~ 30; No. two auxiliary agents 1 ~ 20; water 5 ~ 25, this coating has excellent weathering resistance and self-cleaning property.Therefore, weathering resistance of the present invention and self-cleaning property better.
Embodiment
Essentiality content of the present invention is further illustrated below in conjunction with embodiment.
A kind of long-acting aqueous, environmental protective steel construction protection coating, described protective cover comprises coating in aqueous primer, water-based, aqueous overcoating material;
Described aqueous primer is aqueous inorganic zinc silicate coating, and its raw material composition comprises high-module potassium silicate inorganic nano resin, and the modulus of described high-module potassium silicate inorganic nano resin is 5.3 ~ 6.2, and grain diameter is 5 ~ 20nm.
The raw material composition of described aqueous inorganic zinc silicate coating comprises component A, B component, and the weight ratio of described component A and B component is 1: 1.2 ~ 2.5;
The composition of described component A and weight ratio thereof are: high-module potassium silicate inorganic nano resin 70 ~ 98, synthetic organic polymer emulsion 1 ~ 30, auxiliary agent 1 ~ 5, and the solid content of high-module potassium silicate inorganic nano resin is 26% ~ 30%;
The composition of described B component and weight ratio thereof are: zinc powder 60 ~ 99, antirust filler 1 ~ 40.
Described synthetic organic polymer emulsion is one or more in waterborne styrene-acrylic emulsion, water-based pure-acrylic emulsion, water-based organosilicon crylic acid latex, water-base fluorocarbon emulsion, water-based fluoro-silicone emulsion;
A described auxiliary agent is one or more in a defoamer, dispersion agent, anti-settling auxiliary agent, thickening material, rust oxidation;
Described zinc powder is one or more in flake zinc powder, spherical zinc powder;
Described antirust filler is one or more in ultra-fine ferrophosphorus powder, ultra-fine ferrotitanium powder, ultrafine mica powder, wollastonite, aluminium triphosphate, zinc boron composite oxides, zinc oxide.
A described defoamer is one or more in W-090, BYK-028, DF1181;
A described dispersion agent is polyacrylic acid sodium salt or ammonium polyacrylate salt;
Described anti-settling auxiliary agent is one or more in organobentonite, organo-clay;
Described thickening material is one or more in Natvosol, hydroxypropylcellulose;
Described rust oxidation is organic zinc complex.
In described water-based, coating is water-based silicon-acrylic coatings, and its raw material composition comprises silicon propyl group material, and described silicon propyl group material is the one in the mixture of the mixture of organosilicon crylic acid latex and pure-acrylic emulsion, organosilicon crylic acid latex and benzene emulsion, organosilicon crylic acid latex.
The raw material composition of described water-based silicon-acrylic coatings and weight ratio thereof are: silicon propyl group material 40 ~ 80, pigment 1 ~ 30, filler 2 ~ 40, No. two auxiliary agents 1 ~ 20, water 5 ~ 25.
Described aqueous overcoating material is aqueous fluorocarbon coating, and the raw material composition of described aqueous fluorocarbon coating and weight ratio thereof are: fluorocarbon resin 40 ~ 90, pigment 1 ~ 30, filler 5 ~ 30, No. two auxiliary agents 1 ~ 20, water 5 ~ 25.
Described fluorocarbon resin is the one in the polymer-modified mixture of water-based fluorocarbon resin, water-based fluorocarbon resin and water-based silicon third.
Described pigment is one or more in Rutile type Titanium Dioxide, nano titanium oxide, phthalocyanine pigment, composite pigment, iron oxide pigment;
Described filler is one or more in silicon-dioxide, water-ground limestone, kaolin, barium sulfate, mica powder, diatomite, talcum powder;
Described No. two auxiliary agents are one or more in rust oxidation, No. two dispersion agents, frostproofer, film coalescence aid, wetting agent, sterilant, pH value conditioning agent, auxiliary rheological agents, No. two defoamers.
Described rust oxidation is organic zinc complex;
Described No. two dispersion agents are polycarboxylate sodium or poly carboxylic acid ammonia salt;
Described frostproofer is ethylene glycol or propylene glycol;
Described film coalescence aid is lauryl alcohol ester;
Described wetting agent is polysiloxane surfactant, modified polyorganosiloxane or polymeric carboxylic amine salt;
Described sterilant is the mixture of 5-nitrogen-MIT and MIT;
Described pH value conditioning agent is ammoniacal liquor or 2-amino-2-methyl-1-propanol;
Described auxiliary rheological agents is nonionic polyurethane polymkeric substance or hydrophobically-modified alkali swelling type polyacrylic acid;
Described No. two defoamers are water drain silica or modified polyorganosiloxane.
Principle of the present invention is described as follows:
The aqueous inorganic zinc silicate coating that it is base-material with high-module potassium silicate inorganic nano resin that aqueous primer of the present invention adopts; in water-based, coating adopts the obvious water-based silicon-acrylic coatings of sealing effect; aqueous overcoating material is the aqueous fluorocarbon coating of weather resistance and self-cleaning performance excellence; triplicity uses that the preservative effect of obtained coating reaches 20 years, the weather-proof time is more than 20 years; and shades of colour can be allocated as required, the needs of steel construction protection under applicable various environment.
Aqueous inorganic zinc silicate coating:
The present invention using aqueous inorganic zinc silicate coating as aqueous primer, this coating is by modification high-module potassium silicate inorganic nano resin and zinc powder generation curing reaction, form macromole zinc silicate reticulated structure inorganic polymer at normal temperatures fast, coating is made to have texture as pottery and hardness, and to iron and steel, there is electro-chemical protection and physical shielding effect, thus play superior steel anti-corrosive effect;
High-module potassium silicate inorganic nano resin: have employed modulus in this coating is 5.3 ~ 6.2, grain diameter is that the high-module potassium silicate inorganic nano resin of 5 ~ 20nm is as base-material, the modulus of high-module potassium silicate inorganic nano resin is controlled ensure that its reactive behavior is in the curing process higher 5.3 ~ 6.2, simultaneously, the grain diameter of high-module potassium silicate inorganic nano resin is less, specific surface area is large, the dispersiveness of Si-OH is better, thus impel coating and steel substrate sticking power up to 7MPa, more than surface hardness 6H, salt spray resistance 1000h is non-foaming, non-corroding, water-fast, resistance to gasoline, organic solvent-resistant, antiseptic property is excellent,
Synthetic organic polymer emulsion: the present invention adopts synthetic organic polymer emulsion to carry out modification to high-module potassium silicate inorganic nano resin, and synthetic organic polymer emulsion be waterborne styrene-acrylic emulsion, one or more in water-based pure-acrylic emulsion, water-based organosilicon crylic acid latex, water-base fluorocarbon emulsion, water-based fluoro-silicone emulsion adopt above-mentioned synthetic organic polymer emulsion to carry out modification to high-module potassium silicate inorganic nano resin, the fragility of inorganic nano resin can be improved, the advantage of inorganic resin good weatherability can be given full play to again, make it not easily agingly come off, anticorrosive effect is better; In addition, cause because its electrical property and silicate base-material are inconsistent for avoiding organosilicon crylic acid latex, pure-acrylic emulsion mix time easily there is the incompatible appearances such as gel, breakdown of emulsion or layering, need select the type of organosilicon crylic acid latex, pure-acrylic emulsion and manufacturer, in the present invention, water-based pure-acrylic emulsion, water-based organosilicon crylic acid latex are respectively purchased from BASF stock company, Henkel KGaA, Nantong Shengda Chemical Co., Ltd..
Water-based silicon-acrylic coatings:
The aqueous primer adopted due to the present invention is aqueous inorganic zinc silicate coating, microcosmic vesicular structure can be formed after this coating film forming, shielding properties is poor, the selection of therefore the present invention's coating in water-based have employed water-based silicon-acrylic coatings, what in this water-based silicon-acrylic coatings, base-material adopted is organosilicon crylic acid latex, the mixture of organosilicon crylic acid latex and pure-acrylic emulsion, the mixture of organosilicon crylic acid latex and benzene emulsion, compared with other emulsions, organosilicon crylic acid latex particle diameter is less, can penetrate into better in the pore of aqueous inorganic zinc silicate coating, corrosive medium and the steel construction substrate contact such as the water in effective entry deterrence coating and carbonic acid gas, improve the shielding properties of coating.
Aqueous fluorocarbon coating:
In the present invention, the aqueous fluorocarbon coating taking fluorocarbon resin as base-material selected by aqueous overcoating material, and because fluorine carbon bond in fluorocarbon resin can be high, good weatherability, is highly resistant to ultraviolet corrosion, therefore has excellent weathering resistance and self-cleaning property;
Water-based silicon third is polymer-modified: after water-based fluorocarbon resin film forming, hardness is higher, easily causes coating cracking, therefore can add in water-based fluorocarbon resin that a small amount of water-based silicon third is polymer-modified improves this deficiency.
Embodiment 1:
A kind of long-acting aqueous, environmental protective steel construction protection coating, described protective cover comprises coating in aqueous primer, water-based, aqueous overcoating material, described aqueous primer is aqueous inorganic zinc silicate coating, and in described water-based, coating is water-based silicon-acrylic coatings, and described aqueous overcoating material is aqueous fluorocarbon coating;
The raw material composition of described aqueous inorganic zinc silicate coating comprises component A, B component, the weight ratio of described component A and B component is 1: 2.2, the composition of described component A and weight ratio thereof are: the high-module potassium silicate inorganic nano resin 85 that modulus is 5.3, grain diameter is 5 ~ 20nm, solid content is 27.5%, synthetic organic polymer emulsion 13.7, auxiliary agent 1.3; Wherein, described synthetic organic polymer emulsion be waterborne styrene-acrylic emulsion, one or more (production firm of described water-based pure-acrylic emulsion, water-based organosilicon crylic acid latex is respectively BASF stock company, Henkel KGaA, Nantong Shengda Chemical Co., Ltd.) in water-based pure-acrylic emulsion, water-based organosilicon crylic acid latex, water-base fluorocarbon emulsion, water-based fluoro-silicone emulsion; Composition and the weight ratio thereof of a described auxiliary agent are: a defoamer 0.2, dispersion agent 0.2, anti-settling auxiliary agent 0.5, thickening material 0.2, rust oxidation 0.2; A described defoamer is one or more in W-090, BYK-028, DF1181, a described dispersion agent is polyacrylic acid sodium salt or ammonium polyacrylate salt, described anti-settling auxiliary agent is one or more in organobentonite, organo-clay, described thickening material is one or more in Natvosol, hydroxypropylcellulose, and described rust oxidation is organic zinc complex; The composition of described B component and weight ratio thereof are: spherical zinc powder 160, ultra-fine ferrophosphorus powder 20, ultra-fine ferrotitanium powder 20, ultrafine mica powder 5, aluminium triphosphate 10, zinc oxide 5;
In described water-based, coating is water-based silicon-acrylic coatings, and the raw material composition of described water-based silicon-acrylic coatings and weight ratio thereof are: silicon propyl group material 40, pigment 20, filler 27, No. two auxiliary agents 3.25, water 10, wherein, described silicon propyl group material is the one in the mixture of the mixture of organosilicon crylic acid latex and pure-acrylic emulsion, organosilicon crylic acid latex and benzene emulsion, organosilicon crylic acid latex, described pigment is Rutile type Titanium Dioxide, the composition of described filler and weight ratio thereof are: water-ground limestone 20, barium sulfate 1, diatomite 1, talcum powder 5, composition and the weight ratio thereof of described No. two auxiliary agents are: rust oxidation 0.1, No. two dispersion agents 0.4, frostproofer 0.5, film coalescence aid 1, wetting agent 0.3, sterilant 0.2, pH value conditioning agent 0.2, auxiliary rheological agents 0.35, No. two defoamers 0.2, described rust oxidation is organic zinc complex, described No. two dispersion agents are polycarboxylate sodium or poly carboxylic acid ammonia salt, described frostproofer is ethylene glycol or propylene glycol, described film coalescence aid is lauryl alcohol ester, described wetting agent is polysiloxane surfactant, modified polyorganosiloxane or polymeric carboxylic amine salt, described sterilant is the mixture of 5-nitrogen-MIT and MIT, described pH value conditioning agent is ammoniacal liquor or 2-amino-2-methyl-1-propanol, described auxiliary rheological agents is nonionic polyurethane polymkeric substance or hydrophobically-modified alkali swelling type polyacrylic acid, described No. two defoamers are water drain silica or modified polyorganosiloxane,
Described aqueous overcoating material is aqueous fluorocarbon coating, and the raw material composition of described aqueous fluorocarbon coating and weight ratio thereof are: fluorocarbon resin 50, pigment 19.5, filler 22, No. two auxiliary agents 3.7, water 5, wherein, described fluorocarbon resin is the one in the polymer-modified mixture of water-based fluorocarbon resin, water-based fluorocarbon resin and water-based silicon third, the composition of described pigment and weight ratio thereof are: Rutile type Titanium Dioxide 12, nano titanium oxide 7.5, the composition of described filler and weight ratio thereof are: silica 1, water-ground limestone 12, kaolin 2, mica powder 2, talcum powder 5, composition and the weight ratio thereof of described No. two auxiliary agents are: rust oxidation 0.1, No. two dispersion agents 0.3, frostproofer 0.5, film coalescence aid 1.5, wetting agent 0.3, sterilant 0.2, pH value conditioning agent 0.2, auxiliary rheological agents 0.3, No. two defoamers 0.3, described rust oxidation is organic zinc complex, described No. two dispersion agents are polycarboxylate sodium or poly carboxylic acid ammonia salt, described frostproofer is ethylene glycol or propylene glycol, described film coalescence aid is lauryl alcohol ester, described wetting agent is polysiloxane surfactant, modified polyorganosiloxane or polymeric carboxylic amine salt, described sterilant is the mixture of 5-nitrogen-MIT and MIT, described pH value conditioning agent is ammoniacal liquor or 2-amino-2-methyl-1-propanol, described auxiliary rheological agents is nonionic polyurethane polymkeric substance or hydrophobically-modified alkali swelling type polyacrylic acid, described No. two defoamers are water drain silica or modified polyorganosiloxane,
The using method of described long-acting aqueous, environmental protective steel construction protection coating comprises the coating method of the preparation method of aqueous inorganic zinc silicate coating, the preparation method of water-based silicon-acrylic coatings, the preparation method of aqueous fluorocarbon coating and long-acting aqueous, environmental protective steel construction protection coating; wherein
The preparation method of described aqueous inorganic zinc silicate coating comprises the following steps successively:
The preparation of component A: first add high-module potassium silicate inorganic nano resin in stirring tank, then stir to form eddy current at 20 ~ 50 DEG C, keep 30 ~ 50min after adding synthetic organic polymer emulsion, an auxiliary agent successively in required ratio again, obtain modified adhesive;
The preparation of B component: under normal temperature, fully mixes zinc powder and antirust filler in required ratio;
The preparation of aqueous inorganic zinc silicate coating: B component added under turbulent state to obtain aqueous, environmental protective inorganic zinc silicate anti-corrosive coating in component A, after stirring, ageing 30min application, namely obtains aqueous inorganic zinc silicate coating;
The preparation method of described water-based silicon-acrylic coatings comprises the following steps successively:
A: first add water in reactor, stir and form turbulent state (rotating speed is 550 ~ 650rpm), then add the auxiliary agents such as rust oxidation, sterilant, pH value conditioning agent, dispersion agent, defoamer, wetting agent, frostproofer and film coalescence aid in this condition successively, be uniformly dispersed;
B: add part pigment, filler and silicon propyl group material under turbulent state successively, and about 20 ~ 40min is kept after all components is uniformly dispersed;
C: rotating speed is reduced to about 250 ~ 350rpm, then adds auxiliary rheological agents, remaining pigment successively, keeps stirring 30 ~ 50min, then filter with 60 ~ 100 mesh filter screens, pack, namely obtain water-based silicon-acrylic coatings.
The preparation method of described aqueous fluorocarbon coating comprises the following steps successively:
A: add water in reactor, stir and form turbulent state (rotating speed is 550 ~ 650rpm), be uniformly dispersed after then adding the auxiliary agents such as rust oxidation, sterilant, pH value conditioning agent, dispersion agent, wetting agent, frostproofer, film coalescence aid and defoamer in this condition successively;
B: add part pigment, filler and fluorocarbon resin successively under turbulent state, and 30 ~ 50min is kept after all components is uniformly dispersed;
C: rotating speed is reduced to about 250 ~ 350rpm, then adds auxiliary rheological agents, remaining pigment successively, keeps stirring 50 ~ 70min, then filter with 60 ~ 100 mesh filter screens, pack, namely obtain aqueous fluorocarbon coating;
The coating method of described long-acting aqueous, environmental protective steel construction protection coating is: aqueous inorganic zinc silicate coating coating twice, per pass interval >=30min; The coating of water-based silicon-acrylic coatings together; Aqueous fluorocarbon coating coating together; Interval between coating >=the 30min of aqueous inorganic zinc silicate coating, water-based silicon-acrylic coatings, the interval between coating >=4h of water-based silicon-acrylic coatings, aqueous fluorocarbon coating.
Embodiment 2:
Step with embodiment 1, unlike:
In aqueous inorganic zinc silicate base paint, the weight ratio of component A and B component is 1: 1.25, and the composition of described component A and weight ratio thereof are: the high-module potassium silicate inorganic nano resin 88 that modulus is 5.6, grain diameter is 5 ~ 20nm, solid content is 29.5%, synthetic organic polymer emulsion 10.6, auxiliary agent 1.4; Wherein, composition and the weight ratio thereof of a described auxiliary agent are: a defoamer 0.2, dispersion agent 0.2, anti-settling auxiliary agent 0.3, thickening material 0.4, rust oxidation 0.3; The composition of described B component and weight ratio thereof are: flake zinc powder 95, ultra-fine ferrophosphorus powder 5, ultra-fine ferrotitanium powder 10, wollastonite 5, aluminium triphosphate 5;
The raw material composition of water-based silicon-acrylic coatings and weight ratio thereof are: silicon propyl group material 50, pigment 8, filler 19, No. two auxiliary agents 3.55, water 20; The composition of described filler and weight ratio thereof are: water-ground limestone 5, kaolin 5, diatomite 2, talcum powder 5, mica powder 2; Composition and the weight ratio thereof of described No. two auxiliary agents are: rust oxidation 0.1, No. two dispersion agents 0.3, frostproofer 0.5, film coalescence aid 1.5, wetting agent 0.2, sterilant 0.2, pH value conditioning agent 0.2, auxiliary rheological agents 0.4, No. two defoamers 0.15;
The raw material composition of aqueous fluorocarbon coating and weight ratio thereof are: fluorocarbon resin 40, pigment 20, filler 27, No. two auxiliary agents 3.4, water 10; Described pigment is Rutile type Titanium Dioxide; The composition of described filler and weight ratio thereof are: water-ground limestone 15, talcum powder 5, barium sulfate 2, diatomite 5; Composition and the weight ratio thereof of described No. two auxiliary agents are: rust oxidation 0.1, No. two dispersion agents 0.4, frostproofer 0.5, film coalescence aid 1.0, wetting agent 0.2, sterilant 0.2, pH value conditioning agent 0.4, auxiliary rheological agents 0.2, No. two defoamers 0.4.
Embodiment 3:
Step with embodiment 1, unlike:
In aqueous inorganic zinc silicate base paint, the weight ratio of component A and B component is 1: 1.5, and the composition of described component A and weight ratio thereof are: the high-module potassium silicate inorganic nano resin 95 that modulus is 6.2, grain diameter is 5 ~ 20nm, solid content is 26%, synthetic organic polymer emulsion 3.8, auxiliary agent 1.2; Wherein, composition and the weight ratio thereof of a described auxiliary agent are: a defoamer 0.1, dispersion agent 0.2, anti-settling auxiliary agent 0.4, thickening material 0.3, rust oxidation 0.2; The composition of described B component and weight ratio thereof are: spherical zinc powder 35, flake zinc powder 85, ultra-fine ferrotitanium powder 15, zinc boron composite oxides 10, zinc oxide 5;
The raw material composition of water-based silicon-acrylic coatings and weight ratio thereof are: silicon propyl group material 55, pigment 10, filler 24, No. two auxiliary agents 4.1, water 7.5; The composition of described filler and weight ratio thereof are: water-ground limestone 5, barium sulfate 14, mica powder 5; Composition and the weight ratio thereof of described No. two auxiliary agents are: rust oxidation 0.1, No. two dispersion agents 0.3, frostproofer 0.5, film coalescence aid 2.0, wetting agent 0.2, sterilant 0.2, pH value conditioning agent 0.3, auxiliary rheological agents 0.3, No. two defoamers 0.2;
The raw material composition of aqueous fluorocarbon coating and weight ratio thereof are: fluorocarbon resin 50, pigment 15, filler 12, No. two auxiliary agents 2.95, water 20; The composition of described pigment and weight ratio thereof are: Rutile type Titanium Dioxide 10, nano titanium oxide 5; The composition of described filler and weight ratio thereof are: water-ground limestone 5, kaolin 2, talcum powder 3, diatomite 2; Composition and the weight ratio thereof of described No. two auxiliary agents are: rust oxidation 0.1, No. two dispersion agents 0.2, frostproofer 0.5, film coalescence aid 0.5, wetting agent 0.35, sterilant 0.4, pH value conditioning agent 0.3, auxiliary rheological agents 0.3, No. two defoamers 0.3.
Adopt the long-acting aqueous, environmental protective steel construction protection coating that above-mentioned three embodiments are obtained; paint film appearance is normal; sticking power (GB/T9286-1998; cross-hatching) 1 grade; water tolerance (GB/T1733-1993) 7 days is without exception; resistance to salt water (GB/T9274-1988; 3%NaCl) 10 days without rust staining; salt fog resistance (GB/T1771-1991) 1000h is unchanged; coating temperature-change resistance (JG/T25-1999; 5 circulations) without exception, artificial ageing resistance (GB/T1865-1997) 1700h is non-foaming, do not ftracture, do not come off.
Claims (5)
1. a long-acting aqueous, environmental protective steel construction protection coating, described protective cover comprises coating in aqueous primer, water-based, aqueous overcoating material, it is characterized in that:
Described aqueous primer is aqueous inorganic zinc silicate coating, and its raw material composition comprises component A, B component, and the weight ratio of described component A and B component is 1: 1.2 ~ 2.5; The composition of described component A and weight ratio thereof are: solid content is the high-module potassium silicate inorganic nano resin 70 ~ 98 of 26% ~ 30%, synthetic organic polymer emulsion 1 ~ 30, an auxiliary agent 1 ~ 5, wherein, the modulus of described high-module potassium silicate inorganic nano resin is 5.3 ~ 6.2, and grain diameter is 5 ~ 20nm; The composition of described B component and weight ratio thereof are: zinc powder 60 ~ 99, antirust filler 1 ~ 40, described antirust filler is one or more in ultra-fine ferrophosphorus powder, ultra-fine ferrotitanium powder, ultrafine mica powder, wollastonite, aluminium triphosphate, zinc boron composite oxides, zinc oxide;
In described water-based, coating is water-based silicon-acrylic coatings, its raw material composition and weight ratio are: silicon propyl group material 40 ~ 80, pigment 1 ~ 30, filler 2 ~ 40, No. two auxiliary agents 1 ~ 20, water 5 ~ 25, wherein, described silicon propyl group material is the one in the mixture of the mixture of organosilicon crylic acid latex and pure-acrylic emulsion, organosilicon crylic acid latex and benzene emulsion, organosilicon crylic acid latex;
Described aqueous overcoating material is aqueous fluorocarbon coating, and its raw material composition and weight ratio are: fluorocarbon resin 40 ~ 90, pigment 1 ~ 30, filler 5 ~ 30, No. two auxiliary agents 1 ~ 20, water 5 ~ 25.
2. one according to claim 1 long-acting aqueous, environmental protective steel construction protection coating, is characterized in that:
Described synthetic organic polymer emulsion is one or more in waterborne styrene-acrylic emulsion, water-based pure-acrylic emulsion, water-based organosilicon crylic acid latex, water-base fluorocarbon emulsion, water-based fluoro-silicone emulsion;
A described auxiliary agent is one or more in a defoamer, dispersion agent, anti-settling auxiliary agent, thickening material, rust oxidation;
Described zinc powder is one or more in flake zinc powder, spherical zinc powder.
3. one according to claim 2 long-acting aqueous, environmental protective steel construction protection coating, is characterized in that:
A described defoamer is one or more in W-090, BYK-028, DF1181;
A described dispersion agent is polyacrylic acid sodium salt or ammonium polyacrylate salt;
Described anti-settling auxiliary agent is one or more in organobentonite, organo-clay;
Described thickening material is one or more in Natvosol, hydroxypropylcellulose;
Described rust oxidation is organic zinc complex.
4. one according to claim 1 and 2 long-acting aqueous, environmental protective steel construction protection coating, is characterized in that:
Described pigment is one or more in Rutile type Titanium Dioxide, nano titanium oxide, phthalocyanine pigment, composite pigment, iron oxide pigment;
Described filler is one or more in silicon-dioxide, water-ground limestone, kaolin, barium sulfate, mica powder, diatomite, talcum powder;
Described No. two auxiliary agents are one or more in rust oxidation, No. two dispersion agents, frostproofer, film coalescence aid, wetting agent, sterilant, pH value regulator, auxiliary rheological agents, No. two defoamers.
5. one according to claim 4 long-acting aqueous, environmental protective steel construction protection coating, is characterized in that:
Described rust oxidation is organic zinc complex;
Described No. two dispersion agents are polycarboxylate sodium or poly carboxylic acid ammonia salt;
Described frostproofer is ethylene glycol or propylene glycol;
Described film coalescence aid is lauryl alcohol ester;
Described wetting agent is polysiloxane surfactant, modified polyorganosiloxane or polymeric carboxylic amine salt;
Described sterilant is the mixture of 5-nitrogen-MIT and MIT;
Described pH value regulator is ammoniacal liquor or 2-amino-2-methyl-1-propanol;
Described auxiliary rheological agents is nonionic polyurethane polymkeric substance or hydrophobically-modified alkali swelling type polyacrylic acid;
Described No. two defoamers are water drain silica or modified polyorganosiloxane.
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| JP3265923B2 (en) * | 1995-06-27 | 2002-03-18 | 宇部興産株式会社 | Injection compression molding method and apparatus |
| CN1215140C (en) * | 2003-06-02 | 2005-08-17 | 海洋化工研究院 | Synthesis of high-molar ratio potassium silicate adhesive and aqueous anticorrosive paint composition |
| CN101358098A (en) * | 2008-08-27 | 2009-02-04 | 长春华日涂料有限公司 | Two-component water paint for railroad car coating |
| CN101445700A (en) * | 2008-12-29 | 2009-06-03 | 傅晓平 | Normal temperature curing type weather-resistant water-borne industrial top-coat coating made of silane polymer |
| CN102031053B (en) * | 2010-12-21 | 2013-08-28 | 中国电力科学研究院 | Anti-corrosion coating for surface of steel structure and preparation method thereof |
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