CN116769379A - Water-based two-component epoxy high-gloss primer-topcoat anti-corrosion paint and preparation method thereof - Google Patents
Water-based two-component epoxy high-gloss primer-topcoat anti-corrosion paint and preparation method thereof Download PDFInfo
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- CN116769379A CN116769379A CN202310816220.0A CN202310816220A CN116769379A CN 116769379 A CN116769379 A CN 116769379A CN 202310816220 A CN202310816220 A CN 202310816220A CN 116769379 A CN116769379 A CN 116769379A
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- water
- topcoat
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 239000004593 Epoxy Substances 0.000 title claims abstract description 64
- 239000003973 paint Substances 0.000 title claims abstract description 64
- 238000005260 corrosion Methods 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 69
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 40
- 239000008367 deionised water Substances 0.000 claims abstract description 40
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 40
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000002994 raw material Substances 0.000 claims abstract description 37
- 239000004814 polyurethane Substances 0.000 claims abstract description 28
- 229920002635 polyurethane Polymers 0.000 claims abstract description 28
- 239000000839 emulsion Substances 0.000 claims abstract description 25
- 150000001412 amines Chemical class 0.000 claims abstract description 24
- 239000002270 dispersing agent Substances 0.000 claims abstract description 24
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002562 thickening agent Substances 0.000 claims abstract description 24
- 239000000080 wetting agent Substances 0.000 claims abstract description 24
- 239000002318 adhesion promoter Substances 0.000 claims abstract description 22
- 239000006229 carbon black Substances 0.000 claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 22
- CUVLMZNMSPJDON-UHFFFAOYSA-N 1-(1-butoxypropan-2-yloxy)propan-2-ol Chemical compound CCCCOCC(C)OCC(C)O CUVLMZNMSPJDON-UHFFFAOYSA-N 0.000 claims abstract description 20
- RWNUSVWFHDHRCJ-UHFFFAOYSA-N 1-butoxypropan-2-ol Chemical compound CCCCOCC(C)O RWNUSVWFHDHRCJ-UHFFFAOYSA-N 0.000 claims abstract description 20
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims abstract description 20
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 20
- MHLMPARDYWGGLE-UHFFFAOYSA-K aluminum;zinc;phosphate Chemical compound [Al+3].[Zn+2].[O-]P([O-])([O-])=O MHLMPARDYWGGLE-UHFFFAOYSA-K 0.000 claims abstract description 20
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000010445 mica Substances 0.000 claims abstract description 20
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 20
- 239000010456 wollastonite Substances 0.000 claims abstract description 20
- 229910052882 wollastonite Inorganic materials 0.000 claims abstract description 20
- 239000011701 zinc Substances 0.000 claims abstract description 20
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 20
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 claims abstract description 20
- 229910000165 zinc phosphate Inorganic materials 0.000 claims abstract description 20
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 18
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims description 20
- 230000007797 corrosion Effects 0.000 claims description 9
- 239000013530 defoamer Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 239000001038 titanium pigment Substances 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 abstract description 6
- 230000007935 neutral effect Effects 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 235000010215 titanium dioxide Nutrition 0.000 description 18
- 239000000463 material Substances 0.000 description 13
- 238000012360 testing method Methods 0.000 description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000005303 weighing Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- C08K2003/328—Phosphates of heavy metals
Abstract
The invention discloses a water-based double-component epoxy high-gloss primer-topcoat anti-corrosion paint and a preparation method thereof, belonging to the technical field of anti-corrosion paint production, wherein the anti-corrosion paint comprises a component A and a component B; the component A consists of the following raw materials: the paint comprises water-based epoxy emulsion, deionized water, barium sulfate, zinc phosphate, aluminum zinc phosphate, zinc phosphomolybdate, talcum powder, wollastonite, mica powder, titanium dioxide, carbon black, water-based dispersing agent, dipropylene glycol butyl ether, propylene glycol butyl ether, ethylene glycol monobutyl ether, water-based polyurethane thickener, adhesion promoter, water-based substrate wetting agent, water-based defoaming agent and leveling agent; the component B consists of the following raw materials: modified amine curing agent, deionized water and anti-flash rust agent. The prepared anti-corrosion paint has both appearance performance and anti-corrosion performance, and can meet the anti-corrosion requirement of neutral salt fog resistance for 500 hours through detection, and meanwhile, after baking for 80 ℃/30min, the glossiness (60 ℃) reaches more than 80GU, thereby meeting the appearance requirement.
Description
Technical Field
The invention belongs to the technical field of anti-corrosion paint production, and particularly relates to a water-based double-component epoxy high-gloss primer-topcoat anti-corrosion paint and a preparation method thereof.
Background
The primer-topcoat paint has the anti-corrosion performance of the primer and the appearance luster of the finish paint, the primer-topcoat paint on the market at present is mainly water-based acrylic polyurethane paint, and in the fields of engineering machinery and the like, a paint film of the water-based acrylic polyurethane paint can reach the appearance standard, but the anti-corrosion performance is poorer, and neutral salt spray resistance only reaches 240 hours, so that the anti-corrosion performance is improved by the composite coating, namely, the anti-corrosion requirement and the comprehensive improvement of the appearance requirement of 500 hours of neutral salt spray resistance can be achieved by coating the epoxy primer first, and then coating the water-based acrylic polyurethane paint after the epoxy primer is dried.
Meanwhile, the gloss of the existing epoxy primer is far lower than that of the water-based acrylic polyurethane paint due to the influences of emulsion particle size and epoxy groups, so that development of the two-component epoxy high-gloss primer-topcoat anticorrosion paint has remarkable practical application prospect.
Disclosure of Invention
The invention aims to develop a double-component epoxy high-gloss primer-topcoat anti-corrosion paint, which realizes comprehensive improvement of anti-corrosion performance and surface appearance performance of a primer.
The aim of the invention can be achieved by the following technical scheme:
the water-based double-component epoxy high-gloss primer-topcoat anti-corrosion paint comprises a component A and a component B, wherein the component A consists of the following raw materials in percentage by weight:
45-50% of aqueous epoxy emulsion, 20-25% of deionized water, 10-15% of barium sulfate, 5-8% of zinc phosphate, 2-5% of aluminum zinc phosphate, 2-5% of zinc phosphomolybdate, 2-5% of talcum powder, 2-5% of wollastonite, 2-5% of mica powder, 0-5% of titanium dioxide, 1.2-1.5% of carbon black, 1.0-1.5% of aqueous dispersing agent, 0.5-1.5% of dipropylene glycol butyl ether, 0.5-1.5% of propylene glycol butyl ether, 0.5-1.5% of ethylene glycol monobutyl ether, 0.5-1.5% of aqueous polyurethane thickener, 0.3-1.0% of adhesion promoter, 0.1-0.3% of aqueous substrate wetting agent, 0.1-0.3% of aqueous defoamer and 0.1-0.3% of leveling agent;
the component B consists of the following raw materials in percentage by weight:
60-80% of modified amine curing agent, 15-30% of deionized water and 3-10% of flash rust resistant agent.
Further, the aqueous epoxy emulsion is an aqueous epoxy emulsion R10.
Further, the titanium white powder is titanium white powder R706.
Further, the carbon black is carbon black MA100.
Further, the aqueous dispersant is an aqueous dispersant 504.
Further, the aqueous polyurethane thickener is aqueous polyurethane thickener SN612N.
Further, the adhesion promoter is adhesion promoter-550-1.
Further, the aqueous substrate wetting agent is an aqueous substrate wetting agent LS-405.
Further, the aqueous defoamer is aqueous defoamer DC65.
Further, the leveling agent is leveling agent Tilo-L8283.
Further, the modified amine curative is modified amine curative MG-1784.
Further, the anti-flash rust agent is a flash rust agent Halox515.
Further, the preparation method of the anti-corrosion paint comprises the following steps:
s1, mixing deionized water, barium sulfate, zinc phosphate, aluminum zinc phosphate, zinc phosphomolybdate, talcum powder, wollastonite, mica powder, titanium pigment and carbon black, grinding to 20-30 mu m, adding water-based epoxy emulsion, water-based dispersing agent, dipropylene glycol butyl ether, propylene glycol butyl ether, ethylene glycol monobutyl ether, water-based polyurethane thickener, adhesion promoter, water-based substrate wetting agent, water-based defoaming agent and leveling agent, and uniformly mixing to obtain a component A;
s2, uniformly mixing the modified amine curing agent, deionized water and the flash rust resisting agent to obtain a component B;
s3, the component A and the component B are mixed according to the weight ratio of 5-10: and 1, stirring and mixing to obtain the water-based double-component epoxy high-gloss primer-topcoat anti-corrosion paint.
The invention has the beneficial effects that:
the water-based two-component epoxy high-gloss primer-topcoat anti-corrosion paint prepared by the invention has both appearance performance and anti-corrosion performance, and the anti-corrosion paint can meet the anti-corrosion requirement of neutral salt fog resistance for 500h through detection, and meanwhile, after baking for 80 ℃/30min, the glossiness (60 ℃) reaches more than 80GU, thereby meeting the appearance requirement.
Meanwhile, the formula of the water-based double-component epoxy high-gloss primer-topcoat anti-corrosion paint has the characteristics of no low flash point solvent, no solvent dilution in a curing agent and controllable VOC (volatile organic compound) amount.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Raw material factories and specification information related to the embodiments of the present invention are as follows:
example 1
An aqueous two-component epoxy high-gloss primer-topcoat anticorrosion paint comprises a component A and a component B;
wherein the component A consists of the following raw materials in percentage by weight:
45% of aqueous epoxy emulsion, 20% of deionized water, 10% of barium sulfate, 5% of zinc phosphate, 2% of aluminum zinc phosphate, 2% of zinc phosphomolybdate, 2% of talcum powder, 2% of wollastonite, 2% of mica powder, 5% of titanium dioxide, 1.2% of carbon black, 1.0% of aqueous dispersing agent, 0.5% of dipropylene glycol butyl ether, 0.5% of propylene glycol butyl ether, 0.5% of ethylene glycol monobutyl ether, 0.5% of aqueous polyurethane thickener, 0.3% of adhesion promoter, 0.3% of aqueous base material wetting agent, 0.1% of aqueous defoaming agent and 0.1% of leveling agent;
wherein the component B consists of the following raw materials in percentage by weight:
60% of modified amine curing agent, 30% of deionized water and 10% of flash rust resistant agent.
Example 2
An aqueous two-component epoxy high-gloss primer-topcoat anticorrosion paint comprises a component A and a component B;
wherein the component A consists of the following raw materials in percentage by weight:
45% of aqueous epoxy emulsion, 20% of deionized water, 10% of barium sulfate, 5% of zinc phosphate, 2% of aluminum zinc phosphate, 2% of zinc phosphomolybdate, 2% of talcum powder, 2% of wollastonite, 2% of mica powder, 0% of titanium dioxide, 1.5% of carbon black, 1.5% of aqueous dispersing agent, 1.3% of dipropylene glycol butyl ether, 1.3% of propylene glycol butyl ether, 1.3% of ethylene glycol monobutyl ether, 1.5% of aqueous polyurethane thickener, 1.0% of adhesion promoter, 0.1% of aqueous base material wetting agent, 0.1% of aqueous defoaming agent and 0.1% of leveling agent;
wherein the component B consists of the following raw materials in percentage by weight:
60% of modified amine curing agent, 30% of deionized water and 10% of flash rust resistant agent.
Example 3
An aqueous two-component epoxy high-gloss primer-topcoat anticorrosion paint comprises a component A and a component B;
wherein the component A consists of the following raw materials in percentage by weight:
45% of aqueous epoxy emulsion, 20% of deionized water, 10% of barium sulfate, 8% of zinc phosphate, 2% of aluminum zinc phosphate, 2% of zinc phosphomolybdate, 2% of talcum powder, 2% of wollastonite, 2% of mica powder, 0% of titanium dioxide, 1.2% of carbon black, 1.0% of aqueous dispersing agent, 1.5% of dipropylene glycol butyl ether, 1.5% of propylene glycol butyl ether, 0.5% of ethylene glycol monobutyl ether, 0.5% of aqueous polyurethane thickener, 0.3% of adhesion promoter, 0.1% of aqueous base material wetting agent, 0.2% of aqueous defoaming agent and 0.2% of leveling agent;
wherein the component B consists of the following raw materials in percentage by weight:
60% of modified amine curing agent, 30% of deionized water and 10% of flash rust resistant agent.
Example 4
An aqueous two-component epoxy high-gloss primer-topcoat anticorrosion paint comprises a component A and a component B;
wherein the component A consists of the following raw materials in percentage by weight:
45% of aqueous epoxy emulsion, 20% of deionized water, 10% of barium sulfate, 7% of zinc phosphate, 2% of aluminum zinc phosphate, 2% of zinc phosphomolybdate, 2% of talcum powder, 2% of wollastonite, 2% of mica powder, 0% of titanium dioxide, 1.2% of carbon black, 1.0% of aqueous dispersing agent, 1.5% of dipropylene glycol butyl ether, 1.5% of propylene glycol butyl ether, 1.5% of ethylene glycol monobutyl ether, 0.5% of aqueous polyurethane thickener, 0.3% of adhesion promoter, 0.2% of aqueous base material wetting agent, 0.2% of aqueous defoaming agent and 0.1% of leveling agent;
wherein the component B consists of the following raw materials in percentage by weight:
60% of modified amine curing agent, 30% of deionized water and 10% of flash rust resistant agent.
Example 5
An aqueous two-component epoxy high-gloss primer-topcoat anticorrosion paint comprises a component A and a component B;
wherein the component A consists of the following raw materials in percentage by weight:
45% of aqueous epoxy emulsion, 20% of deionized water, 10% of barium sulfate, 5% of zinc phosphate, 5% of aluminum zinc phosphate, 3% of zinc phosphomolybdate, 3% of talcum powder, 2% of wollastonite, 2% of mica powder, 0% of titanium dioxide, 1.2% of carbon black, 1.0% of aqueous dispersing agent, 0.5% of dipropylene glycol butyl ether, 0.5% of propylene glycol butyl ether, 0.5% of ethylene glycol monobutyl ether, 0.5% of aqueous polyurethane thickener, 0.3% of adhesion promoter, 0.1% of aqueous base material wetting agent, 0.1% of aqueous defoaming agent and 0.3% of leveling agent;
wherein the component B consists of the following raw materials in percentage by weight:
60% of modified amine curing agent, 30% of deionized water and 10% of flash rust resistant agent.
Example 6
An aqueous two-component epoxy high-gloss primer-topcoat anticorrosion paint comprises a component A and a component B;
wherein the component A consists of the following raw materials in percentage by weight:
45% of aqueous epoxy emulsion, 20% of deionized water, 10% of barium sulfate, 5% of zinc phosphate, 2% of aluminum zinc phosphate, 5% of zinc phosphomolybdate, 3% of talcum powder, 3% of wollastonite, 2% of mica powder, 0% of titanium dioxide, 1.2% of carbon black, 1.0% of aqueous dispersing agent, 0.5% of dipropylene glycol butyl ether, 0.5% of propylene glycol butyl ether, 0.5% of ethylene glycol monobutyl ether, 0.5% of aqueous polyurethane thickener, 0.3% of adhesion promoter, 0.1% of aqueous base material wetting agent, 0.3% of aqueous defoaming agent and 0.1% of leveling agent;
wherein the component B consists of the following raw materials in percentage by weight:
60% of modified amine curing agent, 30% of deionized water and 10% of flash rust resistant agent.
Example 7
An aqueous two-component epoxy high-gloss primer-topcoat anticorrosion paint comprises a component A and a component B;
wherein the component A consists of the following raw materials in percentage by weight:
45% of aqueous epoxy emulsion, 20% of deionized water, 10% of barium sulfate, 5% of zinc phosphate, 2% of aluminum zinc phosphate, 2% of zinc phosphomolybdate, 5% of talcum powder, 3% of wollastonite, 3% of mica powder, 0% of titanium dioxide, 1.2% of carbon black, 1.0% of aqueous dispersing agent, 0.5% of dipropylene glycol butyl ether, 0.5% of propylene glycol butyl ether, 0.5% of ethylene glycol monobutyl ether, 0.5% of aqueous polyurethane thickener, 0.3% of adhesion promoter, 0.3% of aqueous base material wetting agent, 0.1% of aqueous defoaming agent and 0.1% of leveling agent;
wherein the component B consists of the following raw materials in percentage by weight:
60% of modified amine curing agent, 30% of deionized water and 10% of flash rust resistant agent.
Example 8
An aqueous two-component epoxy high-gloss primer-topcoat anticorrosion paint comprises a component A and a component B;
wherein the component A consists of the following raw materials in percentage by weight:
45% of aqueous epoxy emulsion, 20% of deionized water, 10% of barium sulfate, 5% of zinc phosphate, 3% of aluminum zinc phosphate, 2% of zinc phosphomolybdate, 2% of talcum powder, 5% of wollastonite, 3% of mica powder, 0% of titanium dioxide, 1.2% of carbon black, 1.0% of aqueous dispersing agent, 0.5% of dipropylene glycol butyl ether, 0.5% of propylene glycol butyl ether, 0.5% of ethylene glycol monobutyl ether, 0.5% of aqueous polyurethane thickener, 0.3% of adhesion promoter, 0.1% of aqueous base material wetting agent, 0.1% of aqueous defoaming agent and 0.3% of leveling agent;
wherein the component B consists of the following raw materials in percentage by weight:
60% of modified amine curing agent, 30% of deionized water and 10% of flash rust resistant agent.
Example 9
An aqueous two-component epoxy high-gloss primer-topcoat anticorrosion paint comprises a component A and a component B;
wherein the component A consists of the following raw materials in percentage by weight:
45% of aqueous epoxy emulsion, 20% of deionized water, 10% of barium sulfate, 5% of zinc phosphate, 3% of aluminum zinc phosphate, 3% of zinc phosphomolybdate, 2% of talcum powder, 2% of wollastonite, 5% of mica powder, 0% of titanium dioxide, 1.2% of carbon black, 1.0% of aqueous dispersing agent, 0.5% of dipropylene glycol butyl ether, 0.5% of propylene glycol butyl ether, 0.5% of ethylene glycol monobutyl ether, 0.5% of aqueous polyurethane thickener, 0.3% of adhesion promoter, 0.1% of aqueous base material wetting agent, 0.3% of aqueous defoaming agent and 0.1% of leveling agent;
wherein the component B consists of the following raw materials in percentage by weight:
60% of modified amine curing agent, 30% of deionized water and 10% of flash rust resistant agent.
Example 10
An aqueous two-component epoxy high-gloss primer-topcoat anticorrosion paint comprises a component A and a component B;
wherein the component A consists of the following raw materials in percentage by weight:
45% of aqueous epoxy emulsion, 20% of deionized water, 15% of barium sulfate, 5% of zinc phosphate, 2% of aluminum zinc phosphate, 2% of zinc phosphomolybdate, 2% of talcum powder, 2% of wollastonite, 2% of mica powder, 0% of titanium dioxide, 1.2% of carbon black, 1.0% of aqueous dispersing agent, 0.5% of dipropylene glycol butyl ether, 0.5% of propylene glycol butyl ether, 0.5% of ethylene glycol monobutyl ether, 0.5% of aqueous polyurethane thickener, 0.3% of adhesion promoter, 0.3% of aqueous base material wetting agent, 0.1% of aqueous defoaming agent and 0.1% of leveling agent;
wherein the component B consists of the following raw materials in percentage by weight:
75% of modified amine curing agent, 22% of deionized water and 3% of flash rust resistant agent.
Example 11
An aqueous two-component epoxy high-gloss primer-topcoat anticorrosion paint comprises a component A and a component B;
wherein the component A consists of the following raw materials in percentage by weight:
45% of aqueous epoxy emulsion, 25% of deionized water, 10% of barium sulfate, 5% of zinc phosphate, 2% of aluminum zinc phosphate, 2% of zinc phosphomolybdate, 2% of talcum powder, 2% of wollastonite, 2% of mica powder, 0% of titanium dioxide, 1.2% of carbon black, 1.0% of aqueous dispersing agent, 0.5% of dipropylene glycol butyl ether, 0.5% of propylene glycol butyl ether, 0.5% of ethylene glycol monobutyl ether, 0.5% of aqueous polyurethane thickener, 0.3% of adhesion promoter, 0.1% of aqueous base material wetting agent, 0.3% of aqueous defoaming agent and 0.1% of leveling agent;
wherein the component B consists of the following raw materials in percentage by weight:
75% of modified amine curing agent, 20% of deionized water and 5% of flash rust resistant agent.
Example 12
An aqueous two-component epoxy high-gloss primer-topcoat anticorrosion paint comprises a component A and a component B;
wherein the component A consists of the following raw materials in percentage by weight:
50% of aqueous epoxy emulsion, 20% of deionized water, 10% of barium sulfate, 5% of zinc phosphate, 2% of aluminum zinc phosphate, 2% of zinc phosphomolybdate, 2% of talcum powder, 2% of wollastonite, 2% of mica powder, 0% of titanium dioxide, 1.2% of carbon black, 1.0% of aqueous dispersing agent, 0.5% of dipropylene glycol butyl ether, 0.5% of propylene glycol butyl ether, 0.5% of ethylene glycol monobutyl ether, 0.5% of aqueous polyurethane thickener, 0.3% of adhesion promoter, 0.1% of aqueous base material wetting agent, 0.1% of aqueous defoaming agent and 0.3% of leveling agent;
wherein the component B consists of the following raw materials in percentage by weight:
80% of modified amine curing agent, 15% of deionized water and 5% of flash rust resistant agent.
Example 13
The preparation method of the anticorrosive paint in the embodiment 1 comprises the following steps:
s1, weighing raw materials according to the raw material proportion in the embodiment 1, mixing deionized water, barium sulfate, zinc phosphate, aluminum zinc phosphate, zinc phosphomolybdate, talcum powder, wollastonite, mica powder, titanium dioxide and carbon black, grinding to a fineness of 30 mu m, adding water-based epoxy emulsion, water-based dispersing agent, dipropylene glycol butyl ether, propylene glycol butyl ether, ethylene glycol monobutyl ether, water-based polyurethane thickener, adhesion promoter, water-based substrate wetting agent, water-based defoaming agent and leveling agent, and uniformly mixing to obtain a component A;
s2, uniformly mixing the modified amine curing agent, deionized water and the flash rust resisting agent to obtain a component B;
s3, the component A and the component B are mixed according to the weight ratio of 5-10: and 1, stirring and mixing to obtain the water-based double-component epoxy high-gloss primer-topcoat anti-corrosion paint.
Example 14
The preparation method of the anticorrosive paint in the above example 6 comprises the following steps:
s1, weighing raw materials according to the raw material proportion in the embodiment 6, mixing deionized water, barium sulfate, zinc phosphate, aluminum zinc phosphate, zinc phosphomolybdate, talcum powder, wollastonite, mica powder, titanium dioxide and carbon black, grinding to obtain a grinding fineness of 25 mu m, adding water-based epoxy emulsion, water-based dispersing agent, dipropylene glycol butyl ether, propylene glycol butyl ether, ethylene glycol monobutyl ether, water-based polyurethane thickener, adhesion promoter, water-based substrate wetting agent, water-based defoaming agent and leveling agent, and uniformly mixing to obtain a component A;
s2, uniformly mixing the modified amine curing agent, deionized water and the flash rust resisting agent to obtain a component B;
s3, the component A and the component B are mixed according to the weight ratio of 5-10: and 1, stirring and mixing to obtain the water-based double-component epoxy high-gloss primer-topcoat anti-corrosion paint.
Example 15
The preparation method of the anticorrosive paint in the above embodiment 12 comprises the following steps:
s1, weighing raw materials according to the raw material proportion in the embodiment 12, mixing deionized water, barium sulfate, zinc phosphate, aluminum zinc phosphate, zinc phosphomolybdate, talcum powder, wollastonite, mica powder, titanium dioxide and carbon black, grinding to 20 mu m, adding water-based epoxy emulsion, water-based dispersing agent, dipropylene glycol butyl ether, propylene glycol butyl ether, ethylene glycol monobutyl ether, water-based polyurethane thickener, adhesion promoter, water-based substrate wetting agent, water-based defoaming agent and leveling agent, and uniformly mixing to obtain a component A;
s2, uniformly mixing the modified amine curing agent, deionized water and the flash rust resisting agent to obtain a component B;
s3, the component A and the component B are mixed according to the weight ratio of 5-10: and 1, stirring and mixing to obtain the water-based double-component epoxy high-gloss primer-topcoat anti-corrosion paint.
The appearance properties and the corrosion resistance of the anticorrosive paints prepared in examples 13 to 15 were measured as follows, and the measurement results are shown in table 1:
visual appearance: the surface tone is uniform and consistent, no caking and precipitation are generated, and the surface tone and the precipitation can be uniformly mixed by stirring.
Sample preparation: and (3) taking carbon steel with the material of Q215 as a test board, coating the anti-corrosion paint prepared in the examples 13-15 on the surface of the test board, and obtaining a paint film after the paint film is dried, wherein the paint film is flat and has no obvious particles.
Appearance performance of paint film: the test panels were baked at 80℃for 30min and the gloss was measured by a 60℃gloss meter.
Paint film corrosion resistance: the neutral salt spray test was performed according to GB/T10125-2012 and the time per hour at which corrosion began to occur was recorded. Specifically, after the test plate is dried, a special cutter is used for scratching the surface of the paint film, the distance between each edge or each scratch of the test plate is at least 25mm, meanwhile, the scratch is a straight line penetrating through the paint film to the test plate, the test plate is placed into a salt spray box at 35 ℃, and the time/h of beginning to generate corrosion is recorded.
TABLE 1
As can be seen from Table 1, the aqueous two-component epoxy high-gloss primer-topcoat corrosion-resistant paint prepared by the invention has both appearance performance and corrosion resistance.
It should be noted that in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (10)
1. The aqueous double-component epoxy high-gloss primer-topcoat anticorrosion paint comprises a component A and a component B, and is characterized in that the component A consists of the following raw materials in percentage by weight:
45-50% of aqueous epoxy emulsion, 20-25% of deionized water, 10-15% of barium sulfate, 5-8% of zinc phosphate, 2-5% of aluminum zinc phosphate, 2-5% of zinc phosphomolybdate, 2-5% of talcum powder, 2-5% of wollastonite, 2-5% of mica powder, 0-5% of titanium dioxide, 1.2-1.5% of carbon black, 1.0-1.5% of aqueous dispersing agent, 0.5-1.5% of dipropylene glycol butyl ether, 0.5-1.5% of propylene glycol butyl ether, 0.5-1.5% of ethylene glycol monobutyl ether, 0.5-1.5% of aqueous polyurethane thickener, 0.3-1.0% of adhesion promoter, 0.1-0.3% of aqueous substrate wetting agent, 0.1-0.3% of aqueous defoamer and 0.1-0.3% of leveling agent;
the component B consists of the following raw materials in percentage by weight:
60-80% of modified amine curing agent, 15-30% of deionized water and 3-10% of flash rust resistant agent.
2. The aqueous two-component epoxy high gloss primer-topcoat anticorrosion paint of claim 1, wherein the aqueous epoxy emulsion is aqueous epoxy emulsion R10.
3. The aqueous two-component epoxy high gloss primer-topcoat anticorrosion paint of claim 1, wherein the aqueous dispersant is aqueous dispersant 504.
4. The aqueous two-component epoxy high-gloss primer-topcoat anticorrosion paint of claim 1, wherein the aqueous polyurethane thickener is aqueous polyurethane thickener SN612N.
5. The aqueous two-component epoxy high gloss primer-topcoat corrosion protection paint of claim 1, wherein the adhesion promoter is adhesion promoter-550-1.
6. The aqueous two-component epoxy high gloss primer-topcoat anticorrosion paint of claim 1, wherein the aqueous substrate wetting agent is aqueous substrate wetting agent LS-405.
7. The aqueous two-component epoxy high gloss primer-topcoat anticorrosion paint of claim 1, wherein the aqueous defoamer is aqueous defoamer DC65.
8. The aqueous two-component epoxy high gloss primer-topcoat corrosion protection paint of claim 1, wherein the modified amine curing agent is modified amine curing agent MG-1784.
9. The aqueous two-component epoxy high gloss primer-topcoat anticorrosion paint of claim 1, wherein the anti-flash rust agent is the anti-flash rust agent hall 515.
10. The method for preparing the aqueous two-component epoxy high-gloss primer-topcoat corrosion-resistant paint as set forth in claim 1, comprising the steps of:
s1, mixing deionized water, barium sulfate, zinc phosphate, aluminum zinc phosphate, zinc phosphomolybdate, talcum powder, wollastonite, mica powder, titanium pigment and carbon black, grinding to 20-30 mu m, adding water-based epoxy emulsion, water-based dispersing agent, dipropylene glycol butyl ether, propylene glycol butyl ether, ethylene glycol monobutyl ether, water-based polyurethane thickener, adhesion promoter, water-based substrate wetting agent, water-based defoaming agent and leveling agent, and uniformly mixing to obtain a component A;
s2, uniformly mixing the modified amine curing agent, deionized water and the flash rust resisting agent to obtain a component B;
s3, the component A and the component B are mixed according to the weight ratio of 5-10: and 1, stirring and mixing to obtain the water-based double-component epoxy high-gloss primer-topcoat anti-corrosion paint.
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