CN111909595A - Water-based anticorrosive paint for metal protection and preparation method thereof - Google Patents
Water-based anticorrosive paint for metal protection and preparation method thereof Download PDFInfo
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/103—Anti-corrosive paints containing metal dust containing Al
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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
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/106—Anti-corrosive paints containing metal dust containing Zn
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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
- 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
- C09D7/63—Additives non-macromolecular organic
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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
- C09D7/65—Additives macromolecular
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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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
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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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0893—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
- C08K3/18—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
- C08K2003/2244—Oxides; Hydroxides of metals of zirconium
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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
- C08K2003/2255—Oxides; Hydroxides of metals of molybdenum
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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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/327—Aluminium phosphate
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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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Abstract
The invention discloses a water-based anticorrosive coating for metal protection and a preparation method thereof. The water-based anticorrosive coating is added with the passivating agent and the hydrophobic agent, and the hydrophobic agent is adopted to control the negative water resistance effect of the coating layer caused by the adoption of the resin-based polar group; the reaction of the hydrophobic agent and the silicate and the reactivity of the passivating agent and the coating material generated on the surface of the base material by the passivating agent remarkably improve the adhesive force between the coating and the metal surface and the matched coating.
Description
Technical Field
The invention relates to the field of coatings, in particular to a water-based epoxy anticorrosive coating for metal protection and a preparation method thereof.
Background
With the increase of national environmental protection requirements, the trend of the water-based formation of industrial coatings is. The epoxy coating is used as a self-drying heavy-duty anticorrosive protective coating system and is particularly critical in the development process of industrial protective coatings. The existing water-based epoxy coating generally has the key technical defects of over-quick hardness rise, insufficient salt spray corrosion resistance, poor matching property and the like. The reasons for these defects include the problem of excessive crosslinking of the amine adduct of the crosslinking agent, the emulsification process of epoxy emulsification, the problem of selection of the emulsifier, the problem of domain crystallization due to hydrophilic functional groups on the epoxy resin structure; the existence of the problems leads to that the hardness of a coating film is obviously increased along with the prolonging of time after the aqueous epoxy film is formed, the stress shrinkage in the coating material is greatly influenced, the adhesion between the coating and a substrate and between the coating and the coating is greatly damaged, and the service life cycle of the coating is obviously shortened.
Chinese patent document CN 108997887A (application number 201810772147.0) discloses a two-component water-based epoxy anticorrosive paint, which comprises a main paint and a curing agent, wherein the mass ratio of the main paint to the curing agent is 4-8: 1; the main paint comprises the following components in parts by weight: 30-50 parts of water-based epoxy resin emulsion, 1-2 parts of auxiliary agent, 2-5 parts of film forming solvent, 0.2-1 part of anti-settling agent, 0.2-1 part of thickening agent, 10-20 parts of anti-rust pigment, 12-15 parts of filler, 5-15 parts of modified glass flake, 1.0-2.0 parts of hydrophobic agent and 20-30 parts of deionized water; the curing agent is modified polyamide. The preparation method of the modified glass flake comprises the following steps: mixing glass flakes and hydrofluoric acid in a weight ratio of 1: 1.5-2.5, stirring for 10min, filtering, washing the glass flakes with absolute ethyl alcohol until the solution is neutral, filtering, and drying the glass flakes in the air; and adding a coupling agent into the dried glass flakes until the glass flakes are immersed, stirring for 1h, and filtering to obtain modified glass flakes.
According to the description of the application, in the components of the main paint, the glass flakes are modified to have the performance of polymerizing with the aqueous epoxy resin emulsion in the components of the main paint, in addition, the modified glass flakes and the aqueous epoxy resin emulsion form a compact and stable network structure after polymerization, particles such as fillers and anti-rust pigments in the main paint enter the network structure to form a stable system, so that the water resistance of the main paint can be effectively improved, and the network structure is very stable, so that the molecular gap change is small after the main paint is cured by a curing agent, and the coating has strong water resistance, acid resistance and alkali resistance.
Disclosure of Invention
The invention aims to solve the technical problem of providing a water-based anticorrosive coating for long-acting protection of metal and a preparation method thereof.
The technical scheme for achieving the purpose of the invention is that the water-based anticorrosive coating for metal protection comprises a paint component and a curing agent, wherein the mass ratio of the paint component to the curing agent is 5-8: 1.
The paint component comprises the following components in parts by weight: 100 parts of epoxy resin, 3-8 parts of passivating agent, 2-5 parts of hydrophobic agent, 0.5-1.5 parts of flash rust inhibitor, 20-40 parts of antirust pigment, 20-30 parts of coloring pigment, 30-50 parts of filler, 1-5 parts of dispersing agent, 0.3-2 parts of defoaming agent, 1-3 parts of anti-settling agent, 0.1-0.5 part of flatting agent, 40-60 parts of deionized water and 1-3 parts of cosolvent. The curing agent is a polyamide curing agent.
The epoxy resin is water dispersible.
The passivating agent is a compound of molybdate, zirconate and siloxane; the mass ratio of the sum of the mass of the molybdate and the mass of the zirconate to the mass of the siloxane is 1.5-10: 1; the mass ratio of the molybdate to the zirconate is 1-10: 1-10.
The hydrophobic agent is a composition of hydrogenated silicone oil and methyl silicate; the methyl silicate is one or more of methyl lithium silicate, methyl potassium silicate and methyl sodium silicate.
The antirust pigment is a mixture of phosphate and metal oxide; the phosphate is aluminum tripolyphosphate or zinc phosphate, and the metal oxide is zinc oxide.
The antirust pigment is a mixture of metal powder, phosphate and metal oxide; the metal powder is zinc powder or aluminum powder; the phosphate is aluminum tripolyphosphate or zinc phosphate, and the metal oxide is zinc oxide.
Preferably, the paint component also contains 0.03-1 part of mildew preventive.
A method for preparing the water-based anticorrosive coating for metal protection as described above, characterized in that the preparation of the paint component comprises the following steps:
firstly, injecting metered epoxy resin into a mixing tank with stirring, and starting stirring.
Secondly, sequentially injecting a cosolvent, water, a dispersing agent, an anti-rust pigment, a coloring pigment and a filler into the tank body, and stirring at a high speed for 20-40 min.
Thirdly, grinding and dispersing the dispersed pigment and filler and resin slurry by a sand mill until the fineness meets the requirement of film formation.
And fourthly, sequentially adding the anti-flash rust agent, the hydrophobic agent, the passivating agent, the flatting agent, the defoaming agent, the anti-settling agent and the mildew preventive which are metered into the ground slurry, dispersing for 20-40 minutes at a high speed, filtering and detecting.
The invention has the positive effects that:
(1) the water-based anticorrosive coating is added with the passivating agent and the hydrophobic agent, and the hydrophobic agent is adopted to control the negative water resistance effect of the coating layer caused by the adoption of the resin-based polar group; the reaction of the hydrophobic agent and the silicate and the reactivity of a passivation film generated on the surface of the base material and the reactivity of the passivating agent and a coating material are realized by the passivating agent, so that the adhesive force between the coating and the metal surface and between the coating and a matched coating is obviously improved; the 720-hour adhesion test shows that the adhesion of the coating is unchanged, and the adhesion of the common water-based epoxy coating is reduced after 1 month.
(2) The water-based anticorrosive coating has long-acting adhesion capacity on metal surfaces (particularly aluminum alloy, iron castings, carbon steel and the like), and can meet the application scenes of vehicle primers, machinery, containers and the like which need long-acting protection.
The water-based anticorrosive paint has better matching performance with other types of paints, such as acrylic emulsion type paint, water-based or solvent-based polyurethane type paint, solvent-based acrylic paint, vinyl water-based or solvent-based paint and various types of water-based amino curing system paint.
(3) The coating film formed by curing the water-based anticorrosive coating has good adhesion with the metal surface, and has good toughness (bending resistance), salt mist resistance and water resistance.
Detailed Description
The water-based anticorrosive coating for metal protection comprises a paint component and a curing agent, wherein the mass ratio of the paint component to the curing agent is 5-8: 1.
The paint component comprises the following components in parts by weight: 100 parts of epoxy resin, 3-8 parts of passivating agent, 2-5 parts of hydrophobic agent, 0.5-1.5 parts of flash rust inhibitor, 20-40 parts of antirust pigment, 20-30 parts of coloring pigment, 30-50 parts of filler, 1-5 parts of dispersing agent, 0.3-2 parts of defoaming agent, 1-3 parts of anti-settling agent, 0.1-0.5 part of flatting agent, 40-60 parts of deionized water and 1-3 parts of cosolvent.
Optionally, the paint component also contains 0.03-1 part of mildew preventive.
The curing agent is a polyamide curing agent, such as BECKOCURE EH2189w/50WA from Allnex, Inc. of Zhansu New materials, or AXW curing agent from Jiangsu Tenson New materials technology, Inc.
The epoxy resin is in a water dispersion type, and the content (solid/solid) of the water dispersion in the formula is 20-25%.
The passivator is an inorganic/organic compound passivator, and the passivator in the invention is a compound of molybdate, zirconate and siloxane. The mass ratio of the sum of the mass of the molybdate and the mass of the zirconate to the mass of the siloxane is 1.5-10: 1; the mass ratio of the molybdate to the zirconate is 1-10: 1-10.
The hydrophobic agent is a composition of hydrogenated silicone oil and methyl silicate, and the methyl silicate is one or more of methyl lithium silicate, methyl potassium silicate and methyl sodium silicate. The mass ratio of the hydrogenated silicone oil to the methyl silicate is 1-10: 1-10.
The anti-flash rust agent is FA179 of the Mild Hopkinson name ELEMENTS, or ZH-55 anti-flash rust agent of the national institute of advanced high molecular materials, Jiangsu, institute of advanced high molecular materials.
The antirust pigment is a mixture of phosphate and metal oxide, or a mixture of metal powder, phosphate and metal oxide. The phosphate accounts for 5-15% of the total solid content of the formula, and the phosphate is aluminum tripolyphosphate or zinc phosphate. The metal oxide is zinc oxide, and the zinc oxide accounts for 2-5% of the total solid content of the formula. The metal powder is zinc powder or aluminum powder, and the zinc powder or the aluminum powder accounts for 1-5% of the total solid amount of the formula.
The coloring pigment is one or a mixture of more than one of titanium dioxide, high-pigment carbon black and iron oxide yellow.
The filler is one or a mixture of more than one of wet mica powder, ultrafine precipitated barium sulfate and ultrafine talcum powder.
The dispersant is a high molecular weight block copolymer containing pigment affinity groups, and is a wetting dispersant with a product code of Byk-190 or Byk-192 sold by Germany Bick chemical company; the dispersant uniformly disperses the pigment particles while preventing settling and agglomeration of the pigment particles.
The defoaming agent is a defoaming agent of which the trade code is PA311 in field chemistry.
The anti-settling agent is one or a mixture of more than one of fumed silica, organic bentonite and anti-settling wax slurry.
The leveling agent is a siloxane leveling agent.
The cosolvent is one or a mixture of more than one of propylene glycol butyl ether, isopropanol and propylene glycol methyl ether.
(examples 1 to 9)
The parts by weight of the components in the paint components of the waterborne corrosion resistant coatings of examples 1-9 are shown in Table 1 below.
TABLE 1
In the above embodiment, the epoxy resin is EP-260 water dispersible epoxy resin from Shisansong New Material science and technology Co.
The passivating agent is a compound of potassium molybdate, potassium zirconate and siloxane. The mass ratio of the sum of the potassium molybdate and the potassium zirconate to the siloxane is 5:1, and the mass ratio of the potassium molybdate and the potassium zirconate is 1:1.
Passivators are also available directly, for example, ZH-516 passivator from qianchong new materials science co.
The hydrophobing agent is 520 hydrophobing agent of the chemical company Limited of the municipal, Hezhou province.
The zinc powder in the rust-preventive pigment can be replaced by aluminum powder.
The leveling agent is a leveling agent 4333 of Shanghai deep bamboo chemical auxiliary agent Co.
The mildew preventive is KATHON LXE of Dow chemical of America.
The cosolvent is propylene glycol butyl ether.
The paint components of the examples were prepared as follows:
firstly, injecting metered epoxy resin into a mixing tank with stirring, and starting stirring.
Secondly, sequentially injecting a cosolvent, water, a dispersing agent, an anti-rust pigment, a coloring pigment and a filler into the tank body, and stirring at a high speed for 20-40 min.
Thirdly, grinding and dispersing the dispersed pigment and filler and resin slurry by a sand mill until the fineness meets the requirement of film formation.
And fourthly, sequentially adding the measured anti-flash rust agent, the water repellent agent, the passivating agent, the flatting agent, the defoaming agent, the anti-settling agent, the mildew preventive and the like into the ground slurry, dispersing for 20-40 min at a high speed, filtering, and detecting for later use.
(test examples)
The performance of the waterborne corrosion resistant coatings of examples 1-9 were tested as follows:
the paint components and the curing agent of the anticorrosive coatings of examples 1 to 9 are mixed according to the mass ratio of 5:1, sprayed on a base plate, crosslinked, cured and formed into a film, and the performance of the coating is detected as shown in the following table 2.
TABLE 2
The detection standards of the indexes in the table are as follows:
the adhesion was tested according to GB/T9286-1998 standard.
The positive flushing and the back flushing are detected according to the GB/T1732-1993 standard.
Flexibility was measured according to GB/T1731-1993.
Water resistance was determined according to GB/T1733-1993.
The neutral salt spray performance is detected according to the GB/T10125-2012 standard.
The detection result proves that the coating film formed by curing the water-based anticorrosive coating has good adhesion with the metal surface, and has good toughness (bending resistance), salt mist resistance and water resistance.
Claims (8)
1. A water-based anticorrosive coating for metal protection comprises a paint component and a curing agent, and is characterized in that: the mass ratio of the paint components to the curing agent is 5-8: 1;
the paint component comprises the following components in parts by weight: 100 parts of epoxy resin, 3-8 parts of passivating agent, 2-5 parts of hydrophobic agent, 0.5-1.5 parts of flash rust inhibitor, 20-40 parts of antirust pigment, 20-30 parts of coloring pigment, 30-50 parts of filler, 1-5 parts of dispersing agent, 0.3-2 parts of defoaming agent, 1-3 parts of anti-settling agent, 0.1-0.5 part of flatting agent, 40-60 parts of deionized water and 1-3 parts of cosolvent;
the curing agent is a polyamide curing agent.
2. The aqueous anticorrosive coating for metal protection according to claim 1, characterized in that: the epoxy resin is water dispersible.
3. The aqueous anticorrosive coating for metal protection according to claim 1, characterized in that: the passivating agent is a compound of molybdate, zirconate and siloxane; the mass ratio of the sum of the mass of the molybdate and the mass of the zirconate to the mass of the siloxane is 1.5-10: 1; the mass ratio of the molybdate to the zirconate is 1-10: 1-10.
4. The aqueous anticorrosive coating for metal protection according to claim 1, characterized in that: the hydrophobic agent is a composition of hydrogenated silicone oil and methyl silicate; the methyl silicate is one or more of methyl lithium silicate, methyl potassium silicate and methyl sodium silicate.
5. The aqueous anticorrosive coating for metal protection according to claim 1, characterized in that: the antirust pigment is a mixture of phosphate and metal oxide; the phosphate is aluminum tripolyphosphate or zinc phosphate, and the metal oxide is zinc oxide.
6. The aqueous anticorrosive coating for metal protection according to claim 1, characterized in that: the antirust pigment is a mixture of metal powder, phosphate and metal oxide; the metal powder is zinc powder or aluminum powder; the phosphate is aluminum tripolyphosphate or zinc phosphate, and the metal oxide is zinc oxide.
7. The aqueous anticorrosive coating for metal protection according to claim 1, characterized in that: the paint component also contains 0.03-1 part of mildew preventive.
8. A method for preparing the aqueous anticorrosive coating for metal protection according to claim 1, characterized in that the preparation of the paint component comprises the steps of:
firstly, injecting metered epoxy resin into a mixing tank with stirring, and starting stirring;
secondly, sequentially injecting a cosolvent, water, a dispersing agent, an anti-rust pigment, a coloring pigment and a filler into the tank body, and stirring at a high speed for 20-40 min;
thirdly, grinding and dispersing the dispersed pigment and filler and resin slurry by a sand mill until the fineness meets the requirement of film formation;
and fourthly, sequentially adding the anti-flash rust agent, the hydrophobic agent, the passivating agent, the flatting agent, the defoaming agent and the anti-settling agent in a metered amount into the ground slurry, dispersing for 20-40 minutes at a high speed, filtering and detecting.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5951955A (en) * | 1982-09-16 | 1984-03-26 | Osaka Soda Co Ltd | Underwater paint composition |
| CN103031553A (en) * | 2011-09-29 | 2013-04-10 | 鞍钢股份有限公司 | Environment-friendly passivating agent for performing treatment before color coating and preparation method thereof |
| CN105199548A (en) * | 2015-10-30 | 2015-12-30 | 桂林市和鑫防水装饰材料有限公司 | Epoxy resin waterproof coating for building |
| CN105778730A (en) * | 2016-03-24 | 2016-07-20 | 安徽圣德建材科技有限公司 | High-strength and high-tenacity rust-proof powder coating |
| CN105778738A (en) * | 2016-03-18 | 2016-07-20 | 湖州国信物资有限公司 | Coating composition for golf club head and preparation method thereof |
| CN108976983A (en) * | 2018-06-21 | 2018-12-11 | 天津市津海特种涂料装饰有限公司 | A kind of water-base epoxy rouge priming paint |
| CN110540790A (en) * | 2019-09-09 | 2019-12-06 | 江苏德威涂料有限公司 | water-based epoxy anticorrosive primer for container |
| CN110982380A (en) * | 2019-12-11 | 2020-04-10 | 上海船舶工艺研究所(中国船舶工业集团公司第十一研究所) | Water-based epoxy resin cabin coating and preparation method thereof |
-
2020
- 2020-08-14 CN CN202010822672.6A patent/CN111909595A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5951955A (en) * | 1982-09-16 | 1984-03-26 | Osaka Soda Co Ltd | Underwater paint composition |
| CN103031553A (en) * | 2011-09-29 | 2013-04-10 | 鞍钢股份有限公司 | Environment-friendly passivating agent for performing treatment before color coating and preparation method thereof |
| CN105199548A (en) * | 2015-10-30 | 2015-12-30 | 桂林市和鑫防水装饰材料有限公司 | Epoxy resin waterproof coating for building |
| CN105778738A (en) * | 2016-03-18 | 2016-07-20 | 湖州国信物资有限公司 | Coating composition for golf club head and preparation method thereof |
| CN105778730A (en) * | 2016-03-24 | 2016-07-20 | 安徽圣德建材科技有限公司 | High-strength and high-tenacity rust-proof powder coating |
| CN108976983A (en) * | 2018-06-21 | 2018-12-11 | 天津市津海特种涂料装饰有限公司 | A kind of water-base epoxy rouge priming paint |
| CN110540790A (en) * | 2019-09-09 | 2019-12-06 | 江苏德威涂料有限公司 | water-based epoxy anticorrosive primer for container |
| CN110982380A (en) * | 2019-12-11 | 2020-04-10 | 上海船舶工艺研究所(中国船舶工业集团公司第十一研究所) | Water-based epoxy resin cabin coating and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 胡飞燕等: "《涂料基础配方与工艺》", 30 June 2013 * |
| 陈海洪: "集装箱外用水性防锈漆的制备与性能研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
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