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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 PDF

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Publication number
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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parts
component
anticorrosive paint
modified
aqueous
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CN201710115757.9A
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不公告发明人
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Guangzhou Poly Green Chemical Technology Research Institute Co Ltd
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Guangzhou Poly Green Chemical Technology Research Institute Co Ltd
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Priority to CN201710115757.9A priority Critical patent/CN106833207A/en
Publication of CN106833207A publication Critical patent/CN106833207A/en
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D133/00Coating 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
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • C09D5/082Anti-corrosive paints characterised by the anti-corrosive pigment
    • C09D5/084Inorganic compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/20Diluents or solvents
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer 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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  • Chemical & Material Sciences (AREA)
  • 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

A kind of aqueous double-component anticorrosive paint and preparation method thereof
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.
CN201710115757.9A 2017-02-28 2017-02-28 A kind of aqueous double-component anticorrosive paint and preparation method thereof Pending CN106833207A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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WO2010109118A1 (en) * 2009-03-23 2010-09-30 Arkema France Method for preparing an elastomeric composite material with a high nanotube content
CN101928498A (en) * 2010-08-24 2010-12-29 中国电力科学研究院 Fluorosilicone-modified acrylic resin hydrophobic anti-corrosion paint
CN103333596A (en) * 2013-06-24 2013-10-02 浩力森涂料(上海)有限公司 Self-cleaning fluorosilicone-modified acrylic acid cathode electrophoresis paint and preparation method thereof
CN104371507A (en) * 2014-08-13 2015-02-25 山东奔腾漆业股份有限公司 High performance water-based industrial anti-corrosion coating and preparation method thereof
CN104673057A (en) * 2015-03-11 2015-06-03 山东蓝星清洗防腐公司 Water-based, environment-friendly and corrosion-resistant two-component coating
CN105315864A (en) * 2014-07-04 2016-02-10 上海彩奇亮粉末涂料有限公司 Preparation method of aqueous double-component fluorosilicon acrylic acid polyurethane anti-corrosion coating
CN105694655A (en) * 2016-03-24 2016-06-22 湖州新奥克化工有限公司 Environment-friendly, epoxy-resin, acid-resistant and anticorrosive coating material and preparation method thereof

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WO2010109118A1 (en) * 2009-03-23 2010-09-30 Arkema France Method for preparing an elastomeric composite material with a high nanotube content
CN101928498A (en) * 2010-08-24 2010-12-29 中国电力科学研究院 Fluorosilicone-modified acrylic resin hydrophobic anti-corrosion paint
CN103333596A (en) * 2013-06-24 2013-10-02 浩力森涂料(上海)有限公司 Self-cleaning fluorosilicone-modified acrylic acid cathode electrophoresis paint and preparation method thereof
CN105315864A (en) * 2014-07-04 2016-02-10 上海彩奇亮粉末涂料有限公司 Preparation method of aqueous double-component fluorosilicon acrylic acid polyurethane anti-corrosion coating
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CN105694655A (en) * 2016-03-24 2016-06-22 湖州新奥克化工有限公司 Environment-friendly, epoxy-resin, acid-resistant and anticorrosive coating material and preparation method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP3790933A4 (en) * 2018-05-07 2022-03-02 Nanotek Instruments, Inc. Graphene-enabled anti-corrosion coating
US11680173B2 (en) 2018-05-07 2023-06-20 Global Graphene Group, 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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Application publication date: 20170613