CN106833207A - A kind of aqueous double-component anticorrosive paint and preparation method thereof - Google Patents
A kind of aqueous double-component anticorrosive paint and preparation method thereof Download PDFInfo
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- CN106833207A CN106833207A CN201710115757.9A CN201710115757A CN106833207A CN 106833207 A CN106833207 A CN 106833207A CN 201710115757 A CN201710115757 A CN 201710115757A CN 106833207 A CN106833207 A CN 106833207A
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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
- 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
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
- C09D5/084—Inorganic compounds
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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
- C09D7/20—Diluents or solvents
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides a kind of aqueous double-component anticorrosive paint, it is characterised in that be made up of the first component and the second component:First component is calculated by weight as:30 45 parts of amine modified aqueous epoxy resin, 37 parts of oxide powder and zinc, 24 parts of Graphene powder, 10 20 parts of pigment, 1 1.5 parts of nano silicon, 5 10 parts of titanium dioxide, 15 25 parts of deionized water;Second component is calculated by weight as:40 50 parts of fluorine silicon-modified acrylic ester emulsion, 40 50 parts of isocyanate-modified acrylic acid ester emulsion, 20 40 parts of polyethylene glycol;Water paint of the invention, preparation process avoids traditional solvent-borne coating and pollutes environment using a large amount of solvents, in addition, by with the use of above-mentioned various raw materials, very excellent anti-corrosion, weather-proof, heatproof, resistance to and other effects are obtained, is a kind of very good water paint of prospect.
Description
Technical field
The invention belongs to technical field of coatings, more particularly to a kind of aqueous double-component anticorrosive paint and preparation method thereof.
Background technology
The chemical products that coating is a kind of easy construction, cheap, effect is obvious, value-added rates is high.It can not only
The surfaces such as decorative architecture, ship, machinery, and with preventing its surface corrosion, the function of increasing the service life, also decorative environment
The enjoyment and the function of eye-catching mark of U.S. are given, with continuing to develop for science and technology, coating progressively turns into that a kind of specificity is strong, work(
Can the strong fine chemistry product of property.For a long time, the anti-corrosion of metal of construction steel structure and other field, generally uses solvent
Type coating, wherein containing substantial amounts of organic solvent.The volatilization of organic solvent not only causes to waste, severe contamination atmospheric environment, danger
Victimize health, also easily cause the generation of the accident such as inflammable, explosive.Limitation and people with organic solvent emission (VOC)
Environmental consciousness improving, the water-based anticorrosive paint of environmental type oneself turn into following anti-corrosion of metal development inexorable trend it
One.
In western developed country, oneself occupies the 60-75% of Coating Market share to water paint, and wherein greatly comes
Come from water-based anticorrosive paint, and the whole water paint market share of China is about 30% or so, therefore, water-based anticorrosive paint market
Development potentiality it is huge.It is water-borne acrylic coatings, aqueous currently used for industrial antisepsis field and water paint the most successful
Inorganic silicic acid spelter coating and aqueous epoxy coating, they have collectively constituted aqueous industrial protective system.
No. CN200710047452.5 application provides a kind of water paint for steel band, is by epoxide modified polyester tree
Fat, crosslinking agent, pigment, curing catalysts and water are uniformly mixed.The water paint has rapid draing, and paint film is hard, gold
Category adhesive force is strong, and pliability is good, and solvent resistance is good, and anticorrosion is excellent, and content of beary metal meets the excellent of ROHS environmental protection standards
Performance.And VOC content is low, the pollution to environment is eliminated, belong to Green Product.But the coating solvent resistance stability is also needed
Further improve.Patent of invention (CN 102108250A) discloses a kind of waterborne one coat anticorrosive paint and preparation method thereof, with
Waterborne polyurethane modified epoxy resin is base-material, adds various auxiliary agents and is prepared from, at the same have Corrosion Protection higher and
Ageing-resistant performance, 600h is reached through testing ultraviolet-resistant aging, and salt fog resistance also reaches 600h.It is now such weather-proof on the market
Require to be not met by the demand in market with salt spray resistance, single coating is also not reaching to the requirement of high durable and salt fog high, so
Urgent need develops a kind of water paint of salt fog high durable high.
The content of the invention
The technical problems to be solved by the invention are to provide aqueous double-component anticorrosive paint and preparation method thereof, the material with
Water is solvent, reduces pollution of the organic substance discharge to environment, and homogeneity, good stability, and adhesive force is strong, intensity is big,
Anti-corrosion protection performance with stabilization.
To solve the above problems, the technical solution adopted by the present invention is:
A kind of aqueous double-component anticorrosive paint, is made up of the first component and the second component:
First component is calculated by weight as:30-45 parts of amine modified aqueous epoxy resin, oxide powder and zinc 3-7 parts, stone
2-4 parts, pigment 10-20 parts, nano silicon 1-1.5 parts, titanium dioxide 5-10 parts, deionized water 15-25 parts of black alkene powder;
Second component is calculated by weight as:Fluorine silicon-modified acrylic ester emulsion 40-50 parts, isocyanate-modified third
40-50 parts, polyethylene glycol 20-40 parts of olefin(e) acid ester emulsion.
First component is calculated by weight as:40 parts of amine modified aqueous epoxy resin, 5 parts of oxide powder and zinc, Graphene
3 parts of powder, 15 parts of pigment, 1 part of nano silicon, 6 parts of titanium dioxide, 20 parts of deionized water;
Second component is calculated by weight as:45 parts of fluorine silicon-modified acrylic ester emulsion, isocyanate-modified propylene
45 parts of acid esters emulsion, 30 parts of polyethylene glycol.
The amine modified aqueous epoxy resin is polyamide modified aqueous epoxy resins.
The pigment is Chrome-free rust resisting pigment, and it is selected from ZAPP Chrome-free polyphosphoric acid aluminium zinc hydrate, low lead trbasic zinc phosphate, trimerization
One or more in aluminum phosphate.
The molecular weight of the polyethylene glycol is 2000-6000.
In addition, the preparation method of aqueous double-component anticorrosive paint of the present invention is:First by oxide powder and zinc, Graphene powder, receive
Rice silica and titanium dioxide are added to the water carries out decentralized processing, after adding amine modified aqueous epoxy resin, pigment mixing
Obtain the first component;After fluorine silicon-modified acrylic ester emulsion, isocyanate-modified acrylic acid ester emulsion and polyethylene glycol are mixed
Stir, obtain the second component;Finally the first component and the second component are mixed and is obtained final product using stirring a period of time
Aqueous double-component anticorrosive paint.
Also, aqueous double-component anticorrosive paint of the present invention can apply in engineering machinery, the anti-corrosion of external wall.
The present invention uses amine modified aqueous epoxy resin to be constituted as curing agent, specifically from polyamide modified water-base epoxy
Resin, on the one hand improves the hydrophilicity of resin, on the other hand due to introducing polyamide, improves the antiseptic property of resin.
The present invention uses fluorine silicon-modified acrylic ester emulsion, and acrylic resin is modified using fluorine silicon, on the one hand by
In fluorine atom is introduced, the filming performance for being obviously improved coating can be lifted, such as weatherability, chemical-resistant, stain resistant, can also shape
Into hydrophobic lotus leaf effect, on the other hand, due to introducing silicon atom, due to forming the Si-O keys of bond energy high, also further improve
The performance such as the weather-proof of film, chemicals-resistant, heat-resisting, and fluorine silicon is modified jointly, can mutually fill up each individually modified and lack
Point, the greatly filming performance of optimization resin.
The present invention uses isocyanate-modified acrylic acid ester emulsion, using isocyanate-modified acrylate, can be formed
Cross network structure, improves the compactness of coating, reduces film-forming temperature.Meanwhile, the present invention uses fluorinated silicone modified acrylate breast
Liquid and isocyanate-modified acrylic acid ester emulsion have had two kinds of respective advantages of material concurrently collectively as film forming matter, to lifting
The antiseptic effect of water paint serves key effect.
Present invention addition Graphene powder can to a certain extent improve the mechanical strength and heat resistance of coating, zinc oxide
The addition of powder can reduce sensitiveness of the film to water, so as to improve the weatherability and productive technique of film, nanometer titanium dioxide
The addition of silicon exists by coating top layer, and coating top layer is formed hydrophobic property.
Technique effect of the invention is:Coating prepared by the present invention is water paint, and it is molten that preparation process avoids tradition
Formulation coating pollutes environment using a large amount of solvents, in addition, the present invention is by with the use of above-mentioned various raw materials, obtaining very
The technique effect such as excellent anti-corrosion, weather-proof, heatproof, resistance to, is a kind of very good water paint of prospect.
Specific embodiment
Technical scheme is further elaborated with reference to embodiment:
Embodiment 1
A kind of aqueous double-component anticorrosive paint, is made up of the first component and the second component:
First component is calculated by weight as:35 parts of polyamide modified aqueous epoxy resins, 4 parts of oxide powder and zinc, stone
2 parts of black alkene powder, 12 parts of pigment aluminium triphosphate, 1 part of nano silicon, 6 parts of titanium dioxide, 18 parts of deionized water;
Second component is calculated by weight as:42 parts of fluorine silicon-modified acrylic ester emulsion, isocyanate-modified propylene
42 parts of acid esters emulsion, 25 parts of polyethylene glycol.
Embodiment 2
A kind of aqueous double-component anticorrosive paint, is made up of the first component and the second component:
First component is calculated by weight as:40 parts of polyamide modified aqueous epoxy resins, 5 parts of oxide powder and zinc, stone
3 parts of black alkene powder, 15 parts of pigment aluminium triphosphate, 1 part of nano silicon, 6 parts of titanium dioxide, 20 parts of deionized water;
Second component is calculated by weight as:45 parts of fluorine silicon-modified acrylic ester emulsion, isocyanate-modified propylene
45 parts of acid esters emulsion, 30 parts of polyethylene glycol.
Embodiment 3
A kind of aqueous double-component anticorrosive paint, is made up of the first component and the second component:
First component is calculated by weight as:42 parts of polyamide modified aqueous epoxy resins, 6 parts of oxide powder and zinc, stone
4 parts of black alkene powder, 18 parts of pigment aluminium triphosphate, 1.2 parts of nano silicon, 8 parts of titanium dioxide, 22 parts of deionized water;
Second component is calculated by weight as:46 parts of fluorine silicon-modified acrylic ester emulsion, isocyanate-modified propylene
47 parts of acid esters emulsion, 32 parts of polyethylene glycol.
Embodiment 4
A kind of aqueous double-component anticorrosive paint, is made up of the first component and the second component:
First component is calculated by weight as:45 parts of polyamide modified aqueous epoxy resins, 7 parts of oxide powder and zinc, stone
4 parts of black alkene powder, 20 parts of the low lead trbasic zinc phosphate of pigment, 1.5 parts of nano silicon, 10 parts of titanium dioxide, 25 parts of deionized water;
Second component is calculated by weight as:50 parts of fluorine silicon-modified acrylic ester emulsion, isocyanate-modified propylene
50 parts of acid esters emulsion, 40 parts of polyethylene glycol.
Comparative example 1
A kind of aqueous double-component anticorrosive paint, is made up of the first component and the second component:
First component is calculated by weight as:40 parts of polyamide modified aqueous epoxy resins, 5 parts of oxide powder and zinc, stone
3 parts of black alkene powder, 15 parts of pigment aluminium triphosphate, 1 part of nano silicon, 6 parts of titanium dioxide, 20 parts of deionized water;
Second component is calculated by weight as:45 parts of fluorine silicon-modified acrylic ester emulsion, 30 parts of polyethylene glycol.
Comparative example 2
A kind of aqueous double-component anticorrosive paint, is made up of the first component and the second component:
First component is calculated by weight as:40 parts of polyamide modified aqueous epoxy resins, 5 parts of oxide powder and zinc, stone
3 parts of black alkene powder, 15 parts of pigment aluminium triphosphate, 1 part of nano silicon, 6 parts of titanium dioxide, 20 parts of deionized water;
Second component is calculated by weight as:45 parts of isocyanate-modified acrylic acid ester emulsion, 30 parts of polyethylene glycol.
Performance to embodiment of the present invention 1-4 and comparative example 1-2 is tested:
(1) metal surface should be eliminated rust using mechanical means, makes surface in metal canescence, during using chemical treatment, needed
Through oil removing, rust cleaning, phosphatization, passivation, air drying steps, excellent surface must be provided.
(2) constructed in the environment of 20 DEG C -40 DEG C, one-off construction 20um, recoating construction to coating 260um or so.
The performance indications of product are as follows:
Finally it should be noted that:The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, it still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic.
All any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc., should be included in of the invention
Within protection domain.
Claims (7)
1. a kind of aqueous double-component anticorrosive paint, it is characterised in that be made up of the first component and the second component:
First component is calculated by weight as:30-45 parts of amine modified aqueous epoxy resin, oxide powder and zinc 3-7 parts, Graphene
Powder 2-4 parts, pigment 10-20 parts, nano silicon 1-1.5 parts, titanium dioxide 5-10 parts, deionized water 15-25 parts;
Second component is calculated by weight as:Fluorine silicon-modified acrylic ester emulsion 40-50 parts, isocyanate-modified acrylic acid
40-50 parts, polyethylene glycol 20-40 parts of ester emulsion.
2. aqueous double-component anticorrosive paint according to claim 1, it is characterised in that first component is by weight
It is calculated as:40 parts of amine modified aqueous epoxy resin, 5 parts of oxide powder and zinc, 3 parts of Graphene powder, 15 parts of pigment, 1 part of nano silicon,
6 parts of titanium dioxide, 20 parts of deionized water;
Second component is calculated by weight as:45 parts of fluorine silicon-modified acrylic ester emulsion, isocyanate-modified acrylate
45 parts of emulsion, 30 parts of polyethylene glycol.
3. aqueous double-component anticorrosive paint according to claim 2, it is characterised in that the amine modified aqueous epoxy resin
It is polyamide modified aqueous epoxy resins.
4. the aqueous double-component anticorrosive paint according to claim any one of 2-3, it is characterised in that the pigment is Chrome-free
Rust resisting pigment, it is selected from one or more in ZAPP Chrome-free polyphosphoric acid aluminium zinc hydrate, low lead trbasic zinc phosphate, aluminium triphosphate.
5. the aqueous double-component anticorrosive paint according to claim any one of 3-4, it is characterised in that the polyethylene glycol
Molecular weight is 2000-6000.
6. according to claim any one of 1-5 aqueous double-component anticorrosive paint preparation method, it is characterised in that:First will
Oxide powder and zinc, Graphene powder, nano silicon and titanium dioxide are added to the water carries out decentralized processing, adds amine modified water-soluble
The first component is obtained after epoxy resin, pigment mixing;By fluorine silicon-modified acrylic ester emulsion, isocyanate-modified acrylate breast
Stirred after liquid and polyethylene glycol mixing, obtain the second component;Finally the first component and the second component are mixed and made
Aqueous double-component anticorrosive paint is obtained final product with stirring a period of time.
7. application of the aqueous double-component anticorrosive paint in engineering machinery, external wall anti-corrosion according to claim 1-5.
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Cited By (4)
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PL423263A1 (en) * | 2017-10-25 | 2019-05-06 | Wlodarczyk Henryk Brenen Polska | Two-component polyacrylic topcoat enamel primer |
WO2019217402A1 (en) | 2018-05-07 | 2019-11-14 | Nanotek Instruments, Inc. | Graphene-enabled anti-corrosion coating |
CN110628253A (en) * | 2019-09-29 | 2019-12-31 | 浙江华昱科技有限公司 | Environment-friendly super-hydrophobic antifouling paint and preparation method thereof |
CN112898862A (en) * | 2019-12-04 | 2021-06-04 | 娄底市鼎宏自动化科技有限公司 | Mining machinery surface weather-resistant coating |
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CN112898862A (en) * | 2019-12-04 | 2021-06-04 | 娄底市鼎宏自动化科技有限公司 | Mining machinery surface weather-resistant coating |
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Application publication date: 20170613 |