CN109054542A - A kind of environment-friendly water-based anti-corrosion dual-coating and preparation method thereof applied to steel construction - Google Patents
A kind of environment-friendly water-based anti-corrosion dual-coating and preparation method thereof applied to steel construction Download PDFInfo
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- CN109054542A CN109054542A CN201810893144.2A CN201810893144A CN109054542A CN 109054542 A CN109054542 A CN 109054542A CN 201810893144 A CN201810893144 A CN 201810893144A CN 109054542 A CN109054542 A CN 109054542A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/02—Homopolymers or copolymers of monomers containing phosphorus
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
The present invention relates to a kind of environment-friendly water-based anti-corrosion dual-coatings applied to steel construction, component A including forming prime coat for being coated on steel structure surface, and it is coated on the B component that primer coat surface forms top coat layer, the component A includes following weight fraction ratio component: phosphate modified aqueous acrylic emulsion, blanc fixe, micaceous iron oxide, titanium dioxide, hydroxyethyl cellulose lotion, water-based isocyanate curing agent, talcum powder, coalescing agent, defoaming agent, water；The B component includes following weight fraction ratio component: composite Nano TiO2/ ZnO modified aqueous acrylic acid lotion, blanc fixe, micaceous iron oxide, hydroxyethyl cellulose lotion, organic silicon hydrophobic agent, fumed silica, wetting agent, coalescing agent, defoaming agent, water.The present invention also provides preparation methods.Environment-friendly water-based anti-corrosion dual-coating of the invention, environmental protection, high anti-UV, anti-anti-corrosion ability are strong, while having many advantages, such as that fire prevention, acid and alkali-resistance, heat-resisting, mechanical strength is strong.
Description
Technical field
The present invention relates to technical field of aqueous paint, and in particular to a kind of environment-friendly water-based anti-corrosion applied to steel construction is double-deck
Coating and preparation method thereof.
Background technique
Modern large-scale house or skyscraper mostly uses steel construction, especially gymnasium, large-sized workshop, television tower, time
The machine Room, exhibition center etc..But steel construction is easy to be corroded, the corrosion of steel construction cause every year number with the waste of hundred million tons of steel and
Huge economic loss.And brushing anticorrosive paint method is one of main method of anticorrosion of steel structure.Currently, being applied to steel construction
The anticorrosive coating field on surface is still based on solvent based coating, but due to the volatilization of solvent, cause pollution to environment and
The harm of human health.In recent years, with environmental regulation constantly improve and industrial coating is to the performance, safety, section of coating
Energy and environmental protection etc. propose requirements at the higher level, and water-based anticorrosive paint starts to be applied to steel structure surface.Most common list
Component water-based anticorrosive paint is using acrylic emulsion as base-material, but acrylic emulsion film compactness is poor, and film is to vapor screen
It covers that performance is poor, causes the water resistance of film and corrosion resistance poor.
Summary of the invention
Present invention aims to solve the deficiencies of the prior art, and provides a kind of one kind to be applied to steel structure surface, environmental protection, highly resistance purple
Outside line, anti-anti-corrosion ability are strong, while having fire prevention, acid and alkali-resistance, environment-friendly water-based anti-corrosion dual-coating heat-resisting, mechanical strength is strong,
The present invention also provides preparation methods.
The technical scheme adopted by the invention is that: the component A including forming prime coat for being coated on steel structure surface, with
And it is coated on the B component that primer coat surface forms top coat layer, the component A includes following weight fraction ratio component:
The B component includes following weight fraction ratio component:
Preferably, a kind of environment-friendly water-based anti-corrosion dual-coating applied to steel construction, the component A includes following weight
Portion rate component:
The B component includes following weight fraction ratio component:
Preferably, the composite Nano TiO2/ ZnO modified aqueous acrylic acid lotion is by nano-TiO2, nano-ZnO and water
Property acrylic emulsion is made.
Preferably, the composite Nano TiO2The nano-TiO of/ZnO modified aqueous acrylic acid lotion2, nano-ZnO and water
Property acrylic emulsion mixed proportion be 3:5:150-200.Composite Nano TiO2/ ZnO modified aqueous acrylic acid lotion compensates for
Defective of the single nano particle on uvioresistant wave band, with the increase of nano-particle content, the UVResistant effect of coating by
It is cumulative to add, work as nano-TiO2: when the content ratio of nano-ZnO is 3:5, UVResistant effect is best, while the porosity of coating is most
Small, anti-corrosion effects are best.
Preferably, the nano-TiO2For rutile type nano TiO2。
Preferably, the defoaming agent is organic silicon defoaming agent or polyethers defoaming agent.
Preferably, the coalescing agent is propandiol butyl ether or propylene glycol methyl ether acetate.
A kind of preparation method of the environment-friendly water-based anti-corrosion dual-coating applied to steel construction, comprising the following steps:
The preparation of component A:
A) above-mentioned raw material proportioning is pressed, each raw material is weighed；Water and hydroxyethyl cellulose lotion are put into high speed ball milling point
It dissipates in machine, setting revolving speed is 300-400r/min, stirs 5-10min, obtains premixed liquid；
B) titanium dioxide, blanc fixe, micaceous iron oxide, talcum powder and defoaming agent are added in stirring, revolving speed is turned up extremely
2000-3000r/min grinds 50-60min, tests partial size less than 20 μm；
C) reduce revolving speed to 500-600r/min, sequentially add coalescing agent, phosphate modified aqueous acrylic emulsion and
Water-based isocyanate curing agent continues to stir 5-10min to uniformly mixed to get priming paint coating；
The preparation of B component:
A) composite Nano TiO2The preparation of/ZnO modified aqueous acrylic acid lotion: by nano-TiO2It is added with nano-ZnO to water
Property acrylic emulsion in, after ultrasonic vibration 20min, be transferred in high speed disperser, under the revolving speed of 1000-2000r/min, dispersion
Composite Nano TiO is made in 3h2/ ZnO modified aqueous acrylic acid lotion, it is spare；
B) raw material proportioning for pressing claims 1 or 2, weighs each raw material；Water and hydroxyethyl cellulose lotion investment is supreme
In fast ball-milling dispersion machine, setting revolving speed is 300-400r/min, stirs 5-10min, obtains premixed liquid；
C) stirring in be added blanc fixe, micaceous iron oxide, organic silicon hydrophobic agent, fumed silica, wetting agent and
Defoaming agent is turned up revolving speed to 2000-3000r/min, grinds 50-60min, test partial size less than 20 μm；
D) revolving speed is reduced to 500-600r/min, sequentially adds coalescing agent and composite Nano TiO2/ ZnO modified water-soluble third
Olefin(e) acid lotion continues to stir 5-10min to uniformly mixed to get finishing coat coating.
The effect of the environment-friendly water-based each ingredient of anti-corrosion dual-coating of the present invention: component A: with phosphate modified aqueous acrylamide yogurt
Liquid is film-forming resin, and blanc fixe is used to enhance the resistance to acid and alkali of coating, micaceous iron oxide for enhance the fast light of coating and
Heat resistance, titanium dioxide are used to improve the covering power and fire protecting performance of coating, and hydroxyethyl cellulose lotion is thickener, and talcum powder is used
In the mechanical strength for improving coating；B component: with composite Nano TiO2/ ZnO modified aqueous acrylic acid lotion is film-forming resin, gas
Aerosil is antisettling agent.
Compared with the prior art, the present invention has the following advantages:
A) environment-friendly water-based anti-corrosion dual-coating of the invention, the component A of prime coat is with phosphate modified aqueous acrylamide yogurt
Liquid is film-forming resin, by introducing bound phosphate groups in water-based acrylic resin, improves water soluble acrylic acid corrosion resistance.Phosphate
Have the function of emulsification and antirust well, protective film can be formed in metal surface；In addition, hydroxyl and metal watch in phosphate
Face generates chelation, and the chelate of generation and metal surface are closely adhered to together, prevent hydrone and other salt ions
It is contacted with metal, properties of coating can be improved.
B) environment-friendly water-based anti-corrosion dual-coating of the invention, the B component of top coat layer, using composite Nano TiO2/ ZnO is modified
Aqueous acrylic emulsion is film-forming resin, utilizes composite Nano TiO2/ ZnO modified aqueous acrylic acid lotion plays coating anti-
The effect of ultraviolet and anti-rotten candle.Ultraviolet light will affect the movement of the molecular atoms of steel structure surface to the irradiation of steel structure surface,
Accelerate the rate that steel construction is rusted.When Nano composite granules are added in coating, the purple that is irradiated on Nano composite granules
Outside line makes the electronics on nano particle that transition occur, while generating electron-hole pair, and by this process, ultraviolet light is just by it
It absorbs, and 300-350cm-1Ultraviolet light in wave band is mainly by nano-TiO2It absorbs, and 350-380cm-1It is ultraviolet in wave band
Line is mainly absorbed by nano-ZnO.When Nano composite granules are added in coating, the hole in coating is filled up, coating is made
Become more closely knit, therefore corrosivity Cl can be reduced-1Ion reaches matrix surface by coating, and works as immersion initial stage
When being gathered in hole, intrapore ion concentration can progressively reach saturation state, so prevent extraneous rotten candle property ion after
It is continuous to enter in coating, to enhance the anti-rotten candle performance of coating.
C) present invention further promotes dope layer using the prime coat with antiseptic property and the synergistic effect of top coat layer
Anti- antiseptic property.
Specific embodiment:
To deepen understanding of the invention, below in conjunction with case study on implementation, the invention will be further described.
Embodiment 1
The preparation of component A
A) each raw material is weighed by formula ratio；20 parts and 15 parts of hydroxyethyl cellulose lotion investments of water to high speed ball milling are dispersed
In machine, setting revolving speed is 350r/min, stirs 8min, obtains premixed liquid；
B) 5 parts of titanium dioxide, 5 parts of blanc fixe, 6 parts of micaceous iron oxide, 3 parts of talcum powder and organic silicon are added in stirring
0.3 part of defoaming agent, revolving speed is turned up to 2500r/min, 55min is ground, until being ground to less than 20 μm；
C) revolving speed is reduced to 550r/min, sequentially adds 3 parts of propylene glycol methyl ether acetate, phosphate modified water soluble acrylic acid
50 parts and 3 parts of water-based isocyanate curing agent of lotion, continue to stir 10min to uniformly mixed to get priming paint coating；
The preparation of B component:
A) composite Nano TiO2The preparation of/ZnO modified aqueous acrylic acid lotion: by 3 parts of nano-TiOs2Add with 5 parts of nano-ZnOs
Enter into 180 parts of aqueous acrylic emulsions, after ultrasonic vibration 20min, be transferred in high speed disperser, in the revolving speed of 1500r/min
Under, disperse 3h, composite Nano TiO is made2/ ZnO modified aqueous acrylic acid lotion, it is spare；
B) raw material proportioning for pressing formula ratio, weighs each raw material；Extremely by 20 parts and 15 parts of hydroxyethyl cellulose lotion investments of water
In high speed ball-milling dispersion machine, setting revolving speed is 350r/min, stirs 8min, obtains premixed liquid；
C) 5 parts of blanc fixe, 5 parts of micaceous iron oxide, 3 parts of organic silicon hydrophobic agent, fumed silica are added in stirring
0.5 part, 0.3 part of wetting agent and 0.3 part of organic silicon defoamer are turned up revolving speed to 2500r/min, grind 60min, test partial size is small
In 20 μm；
D) revolving speed is reduced to 550r/min, sequentially adds 3 parts of propylene glycol methyl ether acetate and composite Nano TiO2/ ZnO changes
Property 50 parts of aqueous acrylic emulsion, continue stir 10min to be uniformly mixed to get finishing coat coating.
Embodiment 2
The preparation of component A:
A) each raw material is weighed by formula ratio；30 parts and 20 parts of hydroxyethyl cellulose lotion investments of water to high speed ball milling are dispersed
In machine, setting revolving speed is 400r/min, stirs 10min, obtains premixed liquid；
B) 9 parts of titanium dioxide, 10 parts of blanc fixe, 10 parts of micaceous iron oxide, 2 parts of talcum powder and organosilicon are added in stirring
0.5 part of class defoaming agent, revolving speed is turned up to 3000r/min, 60min is ground, until being ground to less than 20 μm；
C) revolving speed is reduced to 600r/min, sequentially adds 5 parts of propylene glycol methyl ether acetate, phosphate modified water soluble acrylic acid
60 parts and 5 parts of water-based isocyanate curing agent of lotion, continue to stir 10min to uniformly mixed to get priming paint coating.
The preparation of B component:
A) composite Nano TiO2The preparation of/ZnO modified aqueous acrylic acid lotion: referring to embodiment 1；
B) raw material proportioning for pressing formula ratio, weighs each raw material；Extremely by 25 parts and 20 parts of hydroxyethyl cellulose lotion investments of water
In high speed ball-milling dispersion machine, setting revolving speed is 400r/min, stirs 10min, obtains premixed liquid；
C) 10 parts of blanc fixe, 10 parts of micaceous iron oxide, 5 parts of organic silicon hydrophobic agent, gas phase titanium dioxide are added in stirring
1 part of silicon, 0.5 part of wetting agent and 0.5 part of organic silicon defoamer are turned up revolving speed to 3000r/min, grind 60min, test partial size is small
In 20 μm；
D) revolving speed is reduced to 600r/min, sequentially adds 5 parts of propylene glycol methyl ether acetate and composite Nano TiO2/ ZnO changes
Property 55 parts of aqueous acrylic emulsion, continue stir 10min to be uniformly mixed to get finishing coat coating.
Embodiment 3
The preparation of component A:
A) each raw material is weighed by formula ratio；15 parts and 10 parts of hydroxyethyl cellulose lotion investments of water to high speed ball milling are dispersed
In machine, setting revolving speed is 300r/min, stirs 5min, obtains premixed liquid；
B) 2 parts of titanium dioxide, 3 parts of blanc fixe, 3 parts of micaceous iron oxide, 4 parts of talcum powder and polyethers are added in stirring to disappear
0.1 part of infusion, revolving speed is turned up to 2000r/min, 50min is ground, until being ground to less than 20 μm；
C) revolving speed is reduced to 500r/min, sequentially adds 1 part of propandiol butyl ether, phosphate modified aqueous acrylic emulsion 45
Part and 2 parts of water-based isocyanate curing agent, continue stir 6min to be uniformly mixed to get priming paint coating.
The preparation of B component:
A) composite Nano TiO2The preparation of/ZnO modified aqueous acrylic acid lotion: referring to embodiment 1；
B) raw material proportioning for pressing formula ratio, weighs each raw material；Extremely by 15 parts and 10 parts of hydroxyethyl cellulose lotion investments of water
In high speed ball-milling dispersion machine, setting revolving speed is 300r/min, stirs 5min, obtains premixed liquid；
C) 2 parts of blanc fixe, 2 parts of micaceous iron oxide, 2 parts of organic silicon hydrophobic agent, fumed silica are added in stirring
0.1 part, 0.1 part of wetting agent and have 0.1 part of polyethers defoaming agent, revolving speed is turned up to 2000r/min, grinds 50min, tests partial size
Less than 20 μm；
D) revolving speed is reduced to 500r/min, sequentially adds 1 part of propandiol butyl ether and composite Nano TiO2/ ZnO modified water-soluble
45 parts of acrylic emulsion, continue to stir 6min to uniformly mixed to get finishing coat coating.
Embodiment 4
The preparation of component A:
A) each raw material is weighed by formula ratio；18 parts and 15 parts of hydroxyethyl cellulose lotion investments of water to high speed ball milling are dispersed
In machine, setting revolving speed is 350r/min, stirs 7min, obtains premixed liquid；
B) 5 parts of titanium dioxide, 5 parts of blanc fixe, 4 parts of micaceous iron oxide, 3 parts of talcum powder and polyethers are added in stirring to disappear
0.3 part of infusion, revolving speed is turned up to 2500r/min, 60min is ground, until being ground to less than 20 μm；
C) revolving speed is reduced to 550r/min, sequentially adds 4 parts of propandiol butyl ether, phosphate modified aqueous acrylic emulsion 48
Part and 3 parts of water-based isocyanate curing agent, continue stir 10min to be uniformly mixed to get environment-friendly water-based anti-corrosion dual-coating.
The preparation of B component:
A) composite Nano TiO2The preparation of/ZnO modified aqueous acrylic acid lotion: referring to embodiment 1；
B) raw material proportioning for pressing formula ratio, weighs each raw material；Extremely by 23 parts and 13 parts of hydroxyethyl cellulose lotion investments of water
In high speed ball-milling dispersion machine, setting revolving speed is 350r/min, stirs 7min, obtains premixed liquid；
C) 4 parts of blanc fixe, 4 parts of micaceous iron oxide, 3 parts of organic silicon hydrophobic agent, fumed silica are added in stirring
0.2 part, 0.2 part of wetting agent and have 0.3 part of polyethers defoaming agent, revolving speed is turned up to 2500r/min, grinds 55min, tests partial size
Less than 20 μm；
D) revolving speed is reduced to 550r/min, sequentially adds 2 parts of propandiol butyl ether and composite Nano TiO2/ ZnO modified water-soluble
53 parts of acrylic emulsion, continue to stir 6min to uniformly mixed to get finishing coat coating.Performance test:
By the environment-friendly water-based anti-corrosion dual-coating in above-described embodiment 1-4, with identical substrate spray plate, (wherein component A makees bottom
Paint layer, B component make top coat layer, prime coat and top coat layer with a thickness of 20 μm), and use water paint common on the market with phase
With substrate spray plate compare product, wherein and carry out following performance test, test result is as follows table 1:
Table 1
Seen from table 3, environment-friendly water-based anti-corrosion dual-coating of the invention, various aspects of performance are common aqueous on the market
Coating is compared, and performance indicator reaches similar product performance, as adhesive force, glossiness, heat resistance, stability etc. can be full
The sufficient market demand.In addition, resistance to salt water, alkali resistance, the salt spray resistance of environment-friendly water-based anti-corrosion dual-coating of the invention as seen from Table 1
Property be substantially better than control water paint, another environment-friendly water-based anti-corrosion dual-coating of the invention, preparation process is simple, is suitble to answer extensively
With and promote.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. a kind of environment-friendly water-based anti-corrosion dual-coating applied to steel construction, including priming paint is formed for being coated on steel structure surface
Layer component A, and be coated on primer coat surface formed top coat layer B component, which is characterized in that the component A include with
Lower weight fraction ratio component:
The B component includes following weight fraction ratio component:
2. a kind of environment-friendly water-based anti-corrosion dual-coating applied to steel construction according to claim 1, which is characterized in that institute
The component A stated includes following weight fraction ratio component:
The B component includes following weight fraction ratio component:
3. a kind of environment-friendly water-based anti-corrosion dual-coating applied to steel construction according to claim 1 or 2, feature exist
In the composite Nano TiO2/ ZnO modified aqueous acrylic acid lotion is by nano-TiO2, nano-ZnO and aqueous acrylic emulsion
It is made.
4. a kind of environment-friendly water-based anti-corrosion dual-coating applied to steel construction according to claim 1 or 2, feature exist
In the composite Nano TiO2The nano-TiO of/ZnO modified aqueous acrylic acid lotion2, nano-ZnO and aqueous acrylic emulsion
Mixed proportion be 3:5:150-200.
5. a kind of environment-friendly water-based anti-corrosion dual-coating applied to steel construction according to claim 1 or 2, feature exist
In the coalescing agent is propandiol butyl ether or propylene glycol methyl ether acetate.
6. a kind of environment-friendly water-based anti-corrosion dual-coating applied to steel construction according to claim 1 or 2, feature exist
In the defoaming agent is organic silicon defoaming agent or polyethers defoaming agent.
7. a kind of preparation method of the environment-friendly water-based anti-corrosion dual-coating applied to steel construction, which is characterized in that including following step
It is rapid:
The preparation of component A:
A) raw material proportioning for pressing claims 1 or 2, weighs each raw material；Water and hydroxyethyl cellulose lotion are put into clipping the ball
It grinds in dispersion machine, setting revolving speed is 300-400r/min, stirs 5-10min, obtains premixed liquid；
B) titanium dioxide, blanc fixe, micaceous iron oxide, talcum powder and defoaming agent are added in stirring, revolving speed is turned up to 2000-
3000r/min grinds 50-60min, tests partial size less than 20 μm；
C) revolving speed is reduced to 500-600r/min, sequentially adds coalescing agent, phosphate modified aqueous acrylic emulsion and aqueous
Isocyanate curing agent continues to stir 5-10min to uniformly mixed to get priming paint coating；
The preparation of B component:
A) composite Nano TiO2The preparation of/ZnO modified aqueous acrylic acid lotion: by nano-TiO2It is added with nano-ZnO to aqueous third
It in olefin(e) acid lotion, after ultrasonic vibration 20min, is transferred in high speed disperser, under the revolving speed of 1000-2000r/min, disperses 3h,
Composite Nano TiO is made2/ ZnO modified aqueous acrylic acid lotion, it is spare；
B) raw material proportioning for pressing claims 1 or 2, weighs each raw material；Water and hydroxyethyl cellulose lotion are put into clipping the ball
It grinds in dispersion machine, setting revolving speed is 300-400r/min, stirs 5-10min, obtains premixed liquid；
C) blanc fixe, micaceous iron oxide, organic silicon hydrophobic agent, fumed silica, wetting agent and defoaming are added in stirring
Agent is turned up revolving speed to 2000-3000r/min, grinds 50-60min, test partial size less than 20 μm；
D) revolving speed is reduced to 500-600r/min, sequentially adds coalescing agent and composite Nano TiO2/ ZnO modified aqueous acrylic acid
Lotion continues to stir 5-10min to uniformly mixed to get finishing coat coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810893144.2A CN109054542A (en) | 2018-08-07 | 2018-08-07 | A kind of environment-friendly water-based anti-corrosion dual-coating and preparation method thereof applied to steel construction |
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| CN201810893144.2A CN109054542A (en) | 2018-08-07 | 2018-08-07 | A kind of environment-friendly water-based anti-corrosion dual-coating and preparation method thereof applied to steel construction |
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| CN109054542A true CN109054542A (en) | 2018-12-21 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110791187A (en) * | 2019-12-04 | 2020-02-14 | 沈阳化工研究院有限公司 | Water-based organic hybrid anticorrosive coating and preparation method thereof |
| CN110982369A (en) * | 2019-12-17 | 2020-04-10 | 武汉工程大学 | Molybdenum disulfide modified acrylic emulsion and water-based fireproof coating prepared from same |
| CN111925724A (en) * | 2020-07-09 | 2020-11-13 | 深圳市沛绅汇投资发展有限公司 | Anticorrosive paint for municipal facilities and construction method thereof |
| CN113861779A (en) * | 2021-10-14 | 2021-12-31 | 成都虹润制漆有限公司 | Water-based thick-coating type two-component finishing paint and preparation method thereof |
| CN116694150A (en) * | 2023-07-07 | 2023-09-05 | 河北电力工程监理有限公司 | Cable fireproof coating and preparation method thereof |
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| CN101328389A (en) * | 2008-07-25 | 2008-12-24 | 魏大勇 | Nanometer grade environment-friendly type color aqueous waterproof coating material |
| CN102031053A (en) * | 2010-12-21 | 2011-04-27 | 中国电力科学研究院 | Anti-corrosion coating for surface of steel structure and preparation method thereof |
| CN102174285A (en) * | 2011-03-04 | 2011-09-07 | 苏州市金近涂料有限公司 | Aqueous anti-corrosion and anti-frost paint for steel structure and preparation method thereof |
| CN106634373A (en) * | 2015-11-03 | 2017-05-10 | 无锡市太湖防腐材料有限公司 | Waterborne zinc aluminum phosphate anti-rusting primer and preparation method thereof |
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| CN101328389A (en) * | 2008-07-25 | 2008-12-24 | 魏大勇 | Nanometer grade environment-friendly type color aqueous waterproof coating material |
| CN102031053A (en) * | 2010-12-21 | 2011-04-27 | 中国电力科学研究院 | Anti-corrosion coating for surface of steel structure and preparation method thereof |
| CN102174285A (en) * | 2011-03-04 | 2011-09-07 | 苏州市金近涂料有限公司 | Aqueous anti-corrosion and anti-frost paint for steel structure and preparation method thereof |
| CN106634373A (en) * | 2015-11-03 | 2017-05-10 | 无锡市太湖防腐材料有限公司 | Waterborne zinc aluminum phosphate anti-rusting primer and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110791187A (en) * | 2019-12-04 | 2020-02-14 | 沈阳化工研究院有限公司 | Water-based organic hybrid anticorrosive coating and preparation method thereof |
| CN110982369A (en) * | 2019-12-17 | 2020-04-10 | 武汉工程大学 | Molybdenum disulfide modified acrylic emulsion and water-based fireproof coating prepared from same |
| CN110982369B (en) * | 2019-12-17 | 2021-10-12 | 武汉工程大学 | Molybdenum disulfide modified acrylic emulsion and water-based fireproof coating prepared from same |
| CN111925724A (en) * | 2020-07-09 | 2020-11-13 | 深圳市沛绅汇投资发展有限公司 | Anticorrosive paint for municipal facilities and construction method thereof |
| CN113861779A (en) * | 2021-10-14 | 2021-12-31 | 成都虹润制漆有限公司 | Water-based thick-coating type two-component finishing paint and preparation method thereof |
| CN116694150A (en) * | 2023-07-07 | 2023-09-05 | 河北电力工程监理有限公司 | Cable fireproof coating and preparation method thereof |
| CN116694150B (en) * | 2023-07-07 | 2024-06-07 | 河北电力工程监理有限公司 | Cable fireproof coating and preparation method thereof |
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Application publication date: 20181221 |