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 PDF

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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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water
coating
aqueous
emulsion
composition
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CN201310407058.3A
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CN103450719A (en
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刘巧云
李北星
万雄卫
柯于赣
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武大巨成结构股份有限公司
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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

A kind of long-acting aqueous, environmental protective steel construction protection coating
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.
CN201310407058.3A 2013-09-09 2013-09-09 A kind of long-acting aqueous, environmental protective steel construction protection coating CN103450719B (en)

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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