CN105925178B - A kind of aqueous organic inorganic hybridization anticorrosive paint composition and preparation method - Google Patents
A kind of aqueous organic inorganic hybridization anticorrosive paint composition and preparation method Download PDFInfo
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- CN105925178B CN105925178B CN201610319173.9A CN201610319173A CN105925178B CN 105925178 B CN105925178 B CN 105925178B CN 201610319173 A CN201610319173 A CN 201610319173A CN 105925178 B CN105925178 B CN 105925178B
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a kind of aqueous organic inorganic hybridization anticorrosive paint compositions, it is by mass percentage 20~30% by methylsiloxane, water-based emulsion is 30~49%, coalescing agent is 8~11%, and filler is 5~8%, and corrosion-inhibitive pigments are 4~9%, anti- flash rusting auxiliary agent is 2~6%, coupling agent is 3~4%, and titaniferous organic matter is 7~9%, and auxiliary agent is 2~3% compositions.The method that the present invention utilizes organic inorganic hybridization, prepare a kind of new coating for having organic coating strong adhesive force and inorganic coating high temperature resistant Common advantages, and coupling agent is added in water-based emulsion and titaniferous organic matter improves the crosslink density of coating, effectively contact of the isolation hydrone and oxygen with substrate, and combined with traditional corrosion-inhibiting pigment, there is excellent anti-corrosion effect, and preparation process is simple, raw material is easy to get, and greatly reduces production cost.
Description
Technical field
The invention belongs to chemical anticorrosion technical field of coatings, and in particular to a kind of aqueous organic inorganic hybridization anticorrosive paint group
Close object and preparation method.
Background technique
Currently, environmental pollution is increasingly severe, and China has formulated a series of measures to reduce the discharge of pollutant, makes now
Contain a large amount of organic solvent in coating, is widely used and huge pressure is caused to environment, while affecting constructor
The health of member.With the enhancing of people's environmental consciousness, at the same time, the environmentally friendly laws and regulations in the world are increasingly strict, solvent
The use of type coating is limited by very large, it is therefore desirable to solve the problems, such as the solvent contamination of anticorrosive paint.In many environmental protection
In anticorrosive paint, water paint is the important directions for solving environmental issue.However, Environmental Protective Water-paint corrosion resistance is compared with solvent
Type coating differs greatly, and improves water-based anticorrosive paint and is important problem.
The feature of water paint maximum is exactly to replace organic solvent with water, greatly reduces the discharge of pollutant, thus
Reduce environmental pressure and the harm to construction personnel, secondly water resource is abundant, replaces organic solvent with water, takes conveniently, valence
Lattice are cheap.Although but there are many existing water-based anticorrosive paint type on the market at present, cannot reach organic solvent corrosion-resistant
Ability cannot protect substrate well, bring unnecessary loss to the industry in China, although some anticorrosion with coat performances are fine,
But because its preparation process is complicated, expensive, construction inconvenience, using being restricted.
Inorganic coating has good heat-resistant stability, resistance to oxidation, low temperature performance well, larger compression ratio, low-surface-energy, the point that is situated between strong
The advantages that high is spent, but its bad mechanical property, adhesive force, wearability, poor solvent resistance are at high cost.Organic coating has excellent machine
Tool performance, adhesive property, heat-resist, solvent resistance is good, easy processing molding, cheap, but its bond energy is small, and internal stress is big,
It is easily decomposed under high temperature.
There are some problems in water-based anticorrosive paint technology at present, it is relatively common such as: there is flash rusting in coating, makes to apply
Layer is premature to lose protective capability；High temperature resistance is poor, is not able to satisfy the excessively high environment of some temperature and uses；Coating and substrate it
Between adhesive force it is inadequate, falling off for coating is caused, to lose anti-corrosion ability.
Provided herein is a kind of aqueous organic inorganic hybridization anticorrosive paint composition and preparation methods, in conjunction with organic coating, nothing
The common advantage of organic coating.Its preparation process is simple, raw material is easy to get, is cheap, convenient construction, while its anti-flash rusting ability,
Anti-corrosion capability, heatproof, acidproof, alkaline-resisting, solvent resistance is excellent, efficiently solves the deficiency in current technology.
Summary of the invention:
In order to solve problem and shortage of the existing technology, the present invention provides a kind of aqueous organic inorganic hybridization anti-corrosions
Coating composition and preparation method, composition can salt spray resistance 1000h, high temperature resistance is excellent, adhesive force is up to 1 grade.The present invention
The first purpose be to improve antiseptic property, another purpose is to control the flash rusting that is formed in metal surface of water.
To reach above-mentioned target, the technical solution adopted by the present invention is that:
A kind of aqueous organic inorganic hybridization anticorrosive paint composition, by mass percentage by methylsiloxane be 20~
30%, water-based emulsion is 30~49%, and coalescing agent is 8~11%, and filler is 5~8%, and corrosion-inhibitive pigments are 4~9%, is prevented
Flash rusting auxiliary agent is 2~6%, and coupling agent is 3~4%, and titaniferous organic matter is 7~9%, and auxiliary agent is 2~3% compositions；It is wherein described
Methylsiloxane molecular characterization are as follows:
Wherein R is alkyl, carbon atom number 1-18.
Water-based emulsion described above is alkyd emulsion, polyester emulsion, organic silicon emulsion, epoxy emulsion, phenolic aldehyde emulsion, gathers
One of poly (vinyl acetate) emulsions, styrene-butadiene emulsion, styrene-acrylic latex, polyacrylate emulsion or a variety of any quality compare mixture.
Water-based emulsion described above is preferably the mixture of epoxy emulsion and organic silicon emulsion, and mixing mass ratio is ring
Oxygen lotion: organic silicon emulsion=2:1.
Auxiliary agent described above be one of dispersing agent, wetting agent, defoaming agent, lubricant, antiwear assistant, levelling agent or
A variety of any quality compare mixture.
Auxiliary agent described above is preferably the mixing of dispersing agent, wetting agent, defoaming agent, lubricant, antiwear assistant, levelling agent
Object, mixing mass ratio are=1:1:2:1:1:1.
Corrosion-inhibitive pigments described above are lead pigment, chromate pigment, zinc powder, mica, iron oxide, titanium white, iron
One of red, Cu-Zn alloy powder, carbon black, aluminium powder, wherein non-toxic pigment is ion exchangeable pigment, phosphate, molybdate, boric acid
Salt, ferrite or graphene oxide.
Corrosion-inhibitive pigments described above are preferably the mixture of trbasic zinc phosphate, aluminum phosphate, graphene oxide, sodium molybdate,
Mixing mass ratio is trbasic zinc phosphate: aluminum phosphate: graphene oxide: sodium molybdate=1:2:2:1.
Coupling agent described above is amino silicane coupling agent, molecular structural formula are as follows:
Wherein R is alkyl, carbon atom number 1-10.
Though coupling agent described above is not limited to amino silicane coupling agent using amino silicane coupling agent.
Titaniferous organic matter described above, molecular structural formula are as follows:
Wherein R is alkyl, carbon atom number 1-10.
Coalescing agent described above is that one of alcohol, alcohol ester, alcohol ether or a variety of any quality compare mixture.
Coalescing agent described above is preferably the mixture of lauric acid ester and diacetone alcohol, mixing mass ratio ten
Two carbonic esters: diacetone alcohol=1:3.
Anti- flash rusting auxiliary agent described above is the benzene ring compound containing nitro, molecular structural formula are as follows:
Wherein R is H.
Filler described above is one of coarse whiting, wollastonite in powder, mica, talcum powder, kaolin, dolomite or a variety of
Quality arbitrarily compares mixture.
Filler described above is preferably mica.
To achieve the above object, of the present invention another solution is that
A kind of preparation method of aqueous organic inorganic hybridization anticorrosive paint composition of the invention, includes the following steps:
(1) component A is prepared: by mass percentage by the methylsiloxane, water-based emulsion, filler, corrosion-resistant in composition
Pigment, anti-flash rusting auxiliary agent, titaniferous organic matter, auxiliary agent and coupling agent, are stirred, and are uniformly mixed, obtain the lotion of component A, so
Room temperature preservation afterwards, it is spare；
(2) it prepares B component: weighing coalescing agent by mass percentage, obtain B component, Room-temperature seal saves.
A kind of application method of aqueous organic inorganic hybridization anticorrosive paint of the invention, step is:
Coating is carried out in use, A, B component are uniformly mixed, is put at 25 DEG C of baking oven and solidifies 1h, then heat to 120 DEG C
Keep the temperature 1h.
Compared with prior art, the present invention possessed feature and beneficial effect are mainly:
1, using coupling agent and titaniferous organic compound, the effective crosslink density for improving coating, to completely cut off hydrone
Contact with oxygen with substrate
2, the benzene ring compound containing nitro is added as anti-flash rusting auxiliary agent, and is combined with corrosion-inhibitive pigments, greatly mentions
The high antiseptic property of water paint.
3, the heat resistance of coating can be improved in the aqueous solution mixed using epoxy emulsion with organic silicon emulsion.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate and do not have to
In limiting the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art can be with
The present invention is made various changes or modifications, such equivalent forms equally fall within model defined by the depended on claims of the application
It encloses.
Embodiment 1
One, the formula of composition
1, water-based emulsion, coalescing agent, corrosion-inhibitive pigments, the mixture of auxiliary agent are prepared respectively according to mass ratio；
2, compositions formulated each component content by mass percentage:
Two, preparation and application
1, component A is prepared: by mass percentage by the methylsiloxane in composition, water-based emulsion, filler, corrosion-resistant face
Material, anti-flash rusting auxiliary agent, titaniferous organic matter, auxiliary agent and coupling agent, are stirred, and are uniformly mixed, obtain the lotion of component A, then
Room temperature preservation, it is spare；
2, it prepares B component: weighing coalescing agent by mass percentage or prepare mixture in mass ratio, obtain B component, room
Temperature is sealed.
3, coating is carried out in use, A, B component are uniformly mixed, is put at 25 DEG C of baking oven and solidifies 1h, then heats to 120
DEG C heat preservation 1h.
Three, beneficial effect
The present embodiment resulting composition is coated on cold-rolled steel sheet, and coating salt spray resistance, which is tested, a small amount of corrosion occurs up to 500h
Lesion, 2 grades of adhesive force, coating heatproof is up to 300 DEG C.
Embodiment 2
One, the formula of composition
1, water-based emulsion, coalescing agent, corrosion-inhibitive pigments, the mixture of auxiliary agent are prepared respectively according to mass ratio；
2, compositions formulated each component content by mass percentage:
Two, preparation method
1, component A is prepared: by mass percentage by the methylsiloxane in composition, water-based emulsion, filler, corrosion-resistant face
Material, anti-flash rusting auxiliary agent, titaniferous organic matter, auxiliary agent and coupling agent, are stirred, and are uniformly mixed, obtain the lotion of component A, then
Room temperature preservation, it is spare；
2, prepare B component: select lauric acid ester in mass ratio: B component mixture is prepared in diacetone alcohol=1:3,
Room-temperature seal saves.
3, coating is carried out in use, A, B component are uniformly mixed, is put at 25 DEG C of baking oven and solidifies 1h, then heats to 120
DEG C heat preservation 1h.
Three, beneficial effect
The present embodiment resulting composition is coated on cold-rolled steel sheet, and coating salt spray resistance, which is tested, a small amount of corrosion occurs up to 600h
Lesion, adhesion 1 grade, coating heatproof is up to 350 DEG C.
Embodiment 3
One, the formula of composition
1, water-based emulsion, coalescing agent, corrosion-inhibitive pigments, the mixture of auxiliary agent are prepared respectively according to mass ratio；
2, compositions formulated each component content by mass percentage:
Two, preparation method is the same as embodiment 2
Three, beneficial effect
The present embodiment resulting composition is coated on cold-rolled steel sheet, and coating salt spray resistance, which is tested, a small amount of corrosion occurs up to 650h
Lesion, 2 grades of adhesive force, coating heatproof is up to 400 DEG C.
Embodiment 4
One, the formula of composition
1, water-based emulsion, coalescing agent, corrosion-inhibitive pigments, the mixture of auxiliary agent are prepared respectively according to mass ratio；
2, compositions formulated each component content by mass percentage:
Two, preparation method is the same as embodiment 2
Three, beneficial effect
The present embodiment resulting composition is coated on cold-rolled steel sheet, and coating salt spray resistance, which is tested, a small amount of corrosion occurs up to 650h
Lesion, adhesion 1 grade, coating heatproof is up to 350 DEG C.
Embodiment 5
One, the formula of composition
1, water-based emulsion, coalescing agent, corrosion-inhibitive pigments, the mixture of auxiliary agent are prepared respectively according to mass ratio；
2, compositions formulated each component content by mass percentage:
Two, preparation method is the same as embodiment 2
Three, beneficial effect
The present embodiment resulting composition is coated on cold-rolled steel sheet, and coating salt spray resistance, which is tested, a small amount of corrosion occurs up to 850h
Lesion, adhesion 1 grade, coating heatproof is up to 450 DEG C.
Embodiment 6
One, the formula of composition
1, water-based emulsion, coalescing agent, corrosion-inhibitive pigments, the mixture of auxiliary agent are prepared respectively according to mass ratio；
2, compositions formulated each component content by mass percentage:
Two, preparation method is the same as embodiment 2
Three, beneficial effect
The present embodiment resulting composition is coated on cold-rolled steel sheet, and coating salt spray resistance is tested a small amount of rotten up to 1000h appearance
Lesion is lost, adhesion 1 grade, coating heatproof is up to 550 DEG C.
Embodiment 7
One, the formula of composition
1, water-based emulsion, coalescing agent, corrosion-inhibitive pigments, the mixture of auxiliary agent are prepared respectively according to mass ratio；
2, compositions formulated each component content by mass percentage:
Two, preparation method is the same as embodiment 2
Three, beneficial effect
The present embodiment resulting composition is coated on cold-rolled steel sheet, and coating salt spray resistance, which is tested, a small amount of corrosion occurs up to 900h
Lesion, adhesion 1 grade, coating heatproof is up to 500 DEG C.
Embodiment 8
One, the formula of composition
1, water-based emulsion, coalescing agent, corrosion-inhibitive pigments, the mixture of auxiliary agent are prepared respectively according to mass ratio；
2, compositions formulated each component content by mass percentage:
Two, preparation method is the same as embodiment 2
Three, beneficial effect
The present embodiment resulting composition is coated on cold-rolled steel sheet, and coating salt spray resistance, which is tested, a small amount of corrosion occurs up to 800h
Lesion, adhesion 1 grade, coating heatproof is up to 500 DEG C.
The above is only a preferred embodiment of the present invention, it should be pointed out that: those skilled in the art are come
It says, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (7)
1. a kind of aqueous organic inorganic hybridization anticorrosive paint composition, it is characterised in that: by mass percentage by methylsiloxane
Be 20~30%, water-based emulsion be 30~49%, coalescing agent be 8~11%, filler be 5~8%, corrosion-inhibitive pigments be 4~
9%, anti-flash rusting auxiliary agent is 2~6%, and coupling agent is 3~4%, and titaniferous organic matter is 7~9%, and auxiliary agent is 2~3% compositions；Its
Described in methylsiloxane molecular characterization are as follows:
Wherein R is alkyl, carbon atom number 1-18；
The anti-flash rusting auxiliary agent is the benzene ring compound containing nitro, molecular structural formula are as follows:
Wherein R is H；
The coupling agent is amino silicane coupling agent, molecular structural formula are as follows:
Wherein R is alkyl, carbon atom number 1-10；
The titaniferous organic matter, molecular structural formula are as follows:
Wherein R is alkyl, carbon atom number 1-10.
2. a kind of aqueous organic inorganic hybridization anticorrosive paint composition according to claim 1, it is characterised in that: described
Water-based emulsion is alkyd emulsion, polyester emulsion, organic silicon emulsion, epoxy emulsion, phenolic aldehyde emulsion, polyvinyl acetate emulsion, butylbenzene
One of lotion, styrene-acrylic latex, polyacrylate emulsion or a variety of any quality compare mixture.
3. a kind of aqueous organic inorganic hybridization anticorrosive paint composition according to claim 1, it is characterised in that: described
Auxiliary agent is one of dispersing agent, wetting agent, defoaming agent, lubricant, antiwear assistant, levelling agent or a variety of any mass ratio mixing
Object.
4. a kind of aqueous organic inorganic hybridization anticorrosive paint composition according to claim 1, it is characterised in that: described
Corrosion-inhibitive pigments are lead pigment, in chromate pigment, zinc powder, mica, iron oxide, titanium white, Cu-Zn alloy powder, carbon black, aluminium powder
It is a kind of.
5. a kind of aqueous organic inorganic hybridization anticorrosive paint composition according to claim 1, it is characterised in that: described
Coalescing agent is that one of alcohol, alcohol ester, alcohol ether or a variety of any quality compare mixture.
6. a kind of aqueous organic inorganic hybridization anticorrosive paint composition according to claim 1, it is characterised in that: described
Filler is that one of coarse whiting, wollastonite in powder, mica, talcum powder, kaolin, dolomite or a variety of any quality compare mixture.
7. a kind of preparation method of aqueous organic inorganic hybridization anticorrosive paint composition according to claim 1, feature
It is to include the following steps:
(1) prepare component A: by mass percentage by composition methylsiloxane, water-based emulsion, filler, corrosion-inhibitive pigments,
Anti- flash rusting auxiliary agent, titaniferous organic matter, auxiliary agent and coupling agent, are stirred, and are uniformly mixed, obtain the lotion of component A, then room temperature
It saves, it is spare；
(2) it prepares B component: weighing coalescing agent by mass percentage, obtain B component, Room-temperature seal saves；
(3) coating is carried out in use, A, B component are uniformly mixed, is put at 25 DEG C of baking oven and solidifies 1h, then heats to 120 DEG C
Keep the temperature 1h.
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| CN108610881A (en) * | 2016-12-07 | 2018-10-02 | 中国石油天然气集团公司 | Aqueous heavy anti-corrosion paint and preparation method thereof |
| CN106833288B (en) * | 2017-03-09 | 2019-03-22 | 哈尔滨理工大学 | The preparation method of the hydrophobic anticorrosive paint of fence automatically cleaning |
| CN107189649A (en) * | 2017-05-31 | 2017-09-22 | 成都协恒科技有限公司 | A kind of corrosion resistant coating for container |
| CN109535804A (en) * | 2017-07-28 | 2019-03-29 | 李新念 | A kind of preparation method of waterborne antirust pigment |
| CN112094554A (en) * | 2020-09-22 | 2020-12-18 | 卡秀万辉(无锡)高新材料有限公司 | Water-based bi-component coating, preparation method thereof and application thereof in anode aluminum substrate coating |
| CN112375482A (en) * | 2020-11-30 | 2021-02-19 | 江苏科技大学 | Chromium-free water-based paint and preparation method and application thereof |
| CN113337206B (en) * | 2021-04-02 | 2022-03-15 | 湖北巴司特科技股份有限公司 | Preparation method of environment-friendly water-based inorganic silicon modified resin coating |
| CN114181557B (en) * | 2021-09-30 | 2023-05-12 | 中国海洋石油集团有限公司 | Water-based fireproof radiation-resistant coating system and preparation method thereof |
| CN114525078B (en) * | 2021-12-24 | 2023-03-31 | 南京长江涂料有限公司 | Water-based modified organic silicon high-temperature-resistant anticorrosive paint and preparation method thereof |
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