CN109054475A - A kind of environment-friendly highly efficient anticorrosion water-soluble coating and its synthetic method - Google Patents
A kind of environment-friendly highly efficient anticorrosion water-soluble coating and its synthetic method Download PDFInfo
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- CN109054475A CN109054475A CN201810767976.XA CN201810767976A CN109054475A CN 109054475 A CN109054475 A CN 109054475A CN 201810767976 A CN201810767976 A CN 201810767976A CN 109054475 A CN109054475 A CN 109054475A
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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
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/026—Wholly aromatic polyamines
- C08G73/0266—Polyanilines or derivatives thereof
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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
- 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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Abstract
The invention belongs to technical field of aqueous paint, in particular to a kind of environment-friendly highly efficient anticorrosion water-soluble coating and its synthetic method.Coating is mixed by the ratio that first and second liang of components are 1:5-50 in mass ratio；The component A is calculated by weight as poly-dopamine modified lithium polyaniline/graphene complex 0.05-5.5, deionized water 1-10；Component B is calculated by weight as water soluble alkyd resin 20-35, copolymer polyfunctional compound 5-15, resin B 15-25, pigment 5-10, defoaming agent 1-5.Marine environment is a harsh complex environment, and the heavy corrosion environment of the interaction collaboration such as the salt fog of strand alternation of wetting and drying, damp and hot, high ultraviolet light can all cause serious influence to the performance and structural intergrity of soaking extra large material.The environment-friendly highly efficient anticorrosion water-soluble Paint preparation technology is simple, cost is relatively low, repeatability is high, is greatly improved the military service life time of coated steel.It is low with VOC content, smell is small, safe and convenient to use, environmental-friendly, and coating corrosion resistance and good chemical resistance, contraction is small, hydrophobicity is good, advantage with high hardness.
Description
Technical field
The invention belongs to technical field of aqueous paint, in particular to a kind of environment-friendly highly efficient anticorrosion water-soluble coating and its synthesis
Method.
Background technique
Marine environment is a harsh complex environment, metal and alloy materials strand alternation of wetting and drying salt fog, it is damp and hot,
The heavy corrosion environment of the interaction collaboration such as high ultraviolet light carrys out huge test to extra large material strips are soaked, and is stained and corrodes to the property for soaking extra large material
Energy and structural intergrity can all cause serious influence.Marine corrosion problem is that ocean engineering is on active service safely the main prestige faced
The side of body, also brings huge loss to national economy.The mankind will constantly expand the depth and range of ocean development, will face constantly
There is the challenge of new etching problem.Marine corrosion has brought tremendous economic losses.Global Investigation On Corrosion report shows the world
Average corrosion loss accounts for about the 3.4% of global gross national product.Corrosion not only results in economic a large amount of losses, toward contact meeting
Catastrophic failure is caused, environmental pollution is caused, jeopardizes personal safety.
Metal material and corrosion region band for unlike material, common corrosion protection technology have: electrochemical protection, inhibition
Agent protection, pretreatment of metal surface, metal surface isolation technology etc..Wherein, metal surface isolation technology include the coat of metal and
Nonmetallic coating, essence are to separate metallic matrix and corrosive medium, prevent depolarizing agent from reaching metal surface and are reacted, from
And reach etch-proof effect.The coat of metal can be divided into anodic coating and cathodic electrodeposition coating two types, refer to a kind of electricity
Chemical activity metal lower than parent metal or high is plated in what protected metal surface was formed by the methods of plating, chemical plating
Protectiveness coating；Nonmetallic coating has coating, plastics, enamel etc..Wherein anticorrosive paint usage history is long, due to its protective
Can be good, cost performance is high, easy for construction the advantages that, becomes most widely used anti-corrosion method.However traditional solvent type coating uses
Solvent containing a large amount of volatile organic compounds, in the production and use process, these organic solvents can be volatized into greatly
In gas, atmosphere is polluted and brings harm to human health, therefore developing environment-friendly water-based paint is trend of the times.
It is connected on the basal plane edge that graphene nano sheet structure extends in the two-dimensional space that one layer of carbon atom is constituted, infinitely
A variety of oxygen-content active groups, e.g., the functional group of hydroxyl, carbonyl, carboxyl etc., therefore and have small-size effect, hydrophobicity and
Electric conductivity becomes the only choosing for being applied to improve anticorrosive paint performance.Graphene can be filled into the hole of coating,
The graphene of two-dimensional slice structure is layering in coating, can form fine and close physical isolation layer.And the surface of graphene
Effect makes it have biggish contact angle, and after graphene is added in coating, the hydrophobicity of graphene can prevent hydrone from passing through
Coating layer touch metallic matrix, to delay to corrode.In addition, will be lost in anode reaction rapidly by the electric conductivity of graphene
Electron transmission is to coating surface, to prevent precipitation by metallic ion, slows down Electrochemical corrosion rate.Polyaniline has unique lead
Electrical property and electronic conduction ability, good stability, excellent acid doping performance, unique redox and binding property.?
In the nucleation and growth course of polyaniline, graphene acts as the role of support or template, and polyaniline/graphene of preparation is multiple
Condensation material has good mechanical performance, ER properties, barrier properties, in supercapacitor, sensor, electromagnetic absorption etc.
Field is widely applied.
Poly-dopamine is the main component of the viscous protein of the bio secretions such as shell, freshwater mussel, has extremely strong adhesiveness.Not only
In this way, the functional group that poly-dopamine layer is rich in can also send out with the polyaniline containing groups such as amino, carboxyls/graphene complex
Raw secondary response, to make the further functionalization of body surface.
Summary of the invention
The purpose of the present invention is to provide a kind of environment-friendly highly efficient anticorrosion water-soluble coating and its synthetic methods.
To achieve the above object, the invention adopts a technical scheme as:
A kind of environment-friendly highly efficient anticorrosion water-soluble coating, coating are mixed by the ratio that first and second liang of components are 1:5-50 in mass ratio
It closes；The component A is calculated by weight as poly-dopamine modified lithium polyaniline/graphene complex 0.05-5.5, deionized water 1-
10；Component B is calculated by weight as water soluble alkyd resin 20-35, copolymer polyfunctional compound 5-15, resin B 15-
25, pigment 5-10, defoaming agent 1-5.
Poly-dopamine modified lithium polyaniline/the graphene complex is
1) graphene oxide, aniline monomer and initiator are according to 1:10-20:10-30 mass ratio, in acid condition, in-
10 DEG C-room temperature reaction 12-24 hours；
2) dopamine hydrochloride is dissolved in the buffer solution that pH is 6~9；
3) polyaniline/graphene oxide compound and dopamine hydrochloride obtained will be reacted according to 1:0.1-10 mass
Than in acid condition, in reaction 12-24 hours of -60 DEG C of room temperature to get poly-dopamine modified lithium polyaniline/graphene complex.
Centrifugal treating after the step 3) reaction, then successively after ethyl alcohol, deionized water are washed repeatedly, in room temperature -60
DEG C dry 12-48 DEG C to get poly-dopamine modified lithium polyaniline/graphene complex.
The initiator is one of azodiisobutyronitrile, peroxidating two acyl, persulfate or multiple combinations.
The copolymer polyfunctional compound is branching type alcohol and/or polyhydroxy-alcohol；Pigment is inorganic pigment or its water
Property mill base；The defoaming agent is dimethyl silicone polymer, silicone emulsion, polyoxyethylene polyoxypropylene pentaerythrite ether, polyoxy second
One of alkene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether, polyoxyethylene polyoxypropylene glycerin ether or multiple combinations；The tree
Rouge B is the resin containing hydroxyl and/or carboxyl.
The branching type alcohol be one of three light methylpropanes, pentaerythrite, glycerine, polyglycerol, xylitol or
It is several；The polyhydroxy-alcohol is the acrylic copolymer containing hydroxyl or methyl, such as hydroxy propyl methacrylate, rosin methyl-prop
One of olefin(e) acid, 4- hydroxybutyl acrylic acid are a variety of.
The pigment is in carotenoid pigment, flavonoids pigment, flavine pigment, leaf beautiful jade pigment and anthocyania pigment
One or more combinations；
The resin B is methyl acrylate, ethyl acrylate, n-butyl acrylate, isobutyl acrylate, the tertiary fourth of acrylic acid
One of ester, propyl acrylate, cyclohexyl acrylate, propyl methacrylate, cyclohexyl methacrylate or multiple combinations.
A kind of synthetic method of environment-friendly highly efficient anticorrosion water-soluble coating, coating are 1:5-50 by first and second liang of components in mass ratio
Ratio mixing；The component A is calculated by weight as poly-dopamine modified lithium polyaniline/graphene complex 0.05-5.5, goes
Ionized water 1-10；Component B be calculated by weight as water soluble alkyd resin 20-35, copolymer polyfunctional compound 5-15,
Resin B 15-25, pigment 5-10, defoaming agent 1-5.
Poly-dopamine modified lithium polyaniline/the graphene complex is
1) graphene oxide, aniline monomer and initiator are according to 1:10-20:10-30 mass ratio, in acid condition, in-
10 DEG C-room temperature reaction 12-24 hours；
2) dopamine hydrochloride is dissolved in the buffer solution that pH is 6~9；
3) polyaniline/graphene oxide compound and dopamine hydrochloride obtained will be reacted according to 1:0.1-10 mass
Than in acid condition, in reaction 12-24 hours of -60 DEG C of room temperature to get poly-dopamine modified lithium polyaniline/graphene complex.
The initiator is one of azodiisobutyronitrile, peroxidating two acyl, persulfate or multiple combinations.
Advantage for present invention:
The present invention prepares the painting of environment-friendly highly efficient anticorrosion water-soluble by adding poly-dopamine modified lithium polyaniline/graphene complex
The efficient corrosion resisting water paint is coated in pretreated metal surface, room temperature curing by material.Process preparation process letter
List, cost is relatively low, repeatability is high, is greatly improved the military service life time of coated steel.It is low with VOC content, smell is small,
Safe and convenient to use, environmental-friendly, coating corrosion resistance and good chemical resistance, contraction is small, hydrophobicity is good, with high hardness excellent
Point.
Detailed description of the invention
Fig. 1 is the SEM figure for the poly-dopamine modified lithium polyaniline/graphene oxide compound that embodiment 1 provides.
Fig. 2 is that environment-friendly highly efficient anticorrosion water-soluble coating prepared by embodiment 1 is coated in progress electrification on Q235 steel electrode
Learn the result that performance test obtains.
Fig. 3 be embodiment 2 prepare environment-friendly highly efficient anticorrosion water-soluble coating be coated in Q235 steel electrode on contacted
The result that angle is tested.
Specific embodiment
It is following to can be used to further illustrate the present invention in conjunction with the embodiments, but it is not intended to limit the present invention.
It is added to polyaniline/graphene of poly-dopamine modified lithium in coating of the present invention and then obtains the aqueous painting of efficient corrosion resisting
Material, can reduce pollution of the heavy metal ion to ecological environment, and reduce volatility compared with traditional solvent-borne anticorrosive paint
The generation of organic matter.Environment-friendly highly efficient anticorrosion water-soluble Paint preparation technology is simple, cost is relatively low, repeatability is high, golden to reinforcing
Belong to corrosion protection and increase environment protection and has great importance.
Embodiment 1
One, prepared by first component:
1. the synthetic method of poly-dopamine modified lithium polyaniline/graphene oxide compound,
1) prepare polyaniline/graphene oxide compound: 0.03g graphene oxide and 0.5g aniline monomer are in 1M 100mL
It is mixed in perchloric acid solution, 0.76g ammonium persulfate is dissolved in 1M 10mL perchloric acid solution, it is fast after -10 DEG C of pretreatments are good
Speed is added in above-mentioned reaction solution, and polymerization reaction is reacted 12 hours at -10 DEG C, by the flocculent deposit of acquired grandmother's green carry out from
The heart, 60 DEG C of drying, grinds to get polyaniline/graphene oxide compound.
2) polyaniline/graphene oxide compound is modified: the dissolution of 0.02g polyaniline/graphene oxide compound
In the Tris- hydrochloride buffer liquor of pH=8.5,0.04g dopamine hydrochloride is added, in room temperature reaction 24 hours, is centrifuged, 60
DEG C drying, grinding is to get poly-dopamine modified lithium polyaniline/graphene oxide compound (referring to 1).It prepares as seen from Figure 1
Poly-dopamine modified lithium polyaniline/graphene oxide compound is the lamellar structure that surface is covered with uniform pie protrusion.
2. the poly-dopamine modified lithium polyaniline/graphene oxide compound that mass parts are 1 part is mixed with 10 parts of deionized waters
It closes, ultrasonic agitation is uniformly mixed.
Two, prepared by second component:
By mass parts be 30 parts water soluble alkyd resin, 15 parts of methyl acrylates, 5 parts of flavonoids pigments, 10 parts the third three
Alcohol is stirred with 5 parts of dimethyl silicone polymers.
Three, the first and second components are mixed according to the mass ratio of 1:10, environment-friendly highly efficient anticorrosion water-soluble coating is made.
The acquisition coating can be applied directly to pretreated metal surface, room temperature curing.
The environment-friendly highly efficient anticorrosion water-soluble coating of above-mentioned acquisition is coated on Q235 electrode surface, is then immersed in simulation sea
Electrochemical impedance test is carried out in water, while using commercial aqueous alkyd paint as control (referring to fig. 2).As seen from Figure 2 with
Conventional commercial water alcohol acid coating is greatly improved compared to the electrochemical impedance value of environment-friendly highly efficient anticorrosion water-soluble coating, antiseptic property
It is splendid.
Embodiment 2
One, prepared by first component:
1. the preparation method of poly-dopamine modified lithium polyaniline/graphene oxide compound, including polyaniline/graphene oxide
The preparation and modification of compound.
1) prepare polyaniline/graphene oxide compound: 0.045g graphene oxide and 0.75g aniline monomer are in 100mL
It is mixed in perchloric acid solution, 1.0g ammonium persulfate is dissolved in 1M 10mL perchloric acid solution, above-mentioned reaction solution is rapidly added
In, the flocculent deposit of acquired grandmother's green was centrifuged, drying at room temperature by polymerization reaction in room temperature reaction 18 hours, it grinds,
Up to polyaniline/graphene oxide compound.
2) polyaniline/graphene oxide compound is modified: the dissolution of 0.02g polyaniline/graphene oxide compound
In the Tris- hydrochloride buffer liquor of pH=8,0.03g dopamine hydrochloride is added, in room temperature reaction 18 hours, centrifugation, room temperature
It is dry, it grinds to get poly-dopamine modified lithium polyaniline/graphene oxide compound.
2. the poly-dopamine modified lithium polyaniline/graphene oxide compound that mass parts are 1 part is mixed with 5 parts of deionized waters
It closes, ultrasonic agitation is uniformly mixed.
Two, prepared by second component:
Water soluble alkyd resin, 17 parts of tert-butyl acrylates, 5 parts of anthocyania pigments, 10 parts of seasons by mass parts for 28 parts
Penta tetrol, 5 parts of polyoxyethylene polyoxypropylene glycerin ethers are stirred.
Three, the first and second components are mixed according to the mass ratio of 1:20, environment-friendly highly efficient anticorrosion water-soluble coating is made, be coated in pre-
The metal surface of processing, room temperature curing.
The environment-friendly highly efficient anticorrosion water-soluble coating of above-mentioned acquisition is coated on Q235 electrode surface, carries out contact angle test,
The result shows that environment-friendly highly efficient anticorrosion water-soluble coating has good hydrophobicity (referring to Fig. 3).
It can be seen that efficient corrosion resisting water paint of the present invention is coated in pretreated metal surface, room temperature curing.Ocean
Environment is a harsh complex environment, the heavy corrosion ring of the interaction collaboration such as the salt fog of strand alternation of wetting and drying, damp and hot, high ultraviolet light
Border can all cause serious influence to the performance and structural intergrity of soaking extra large material.Environment-friendly highly efficient anticorrosion water-soluble coating of the present invention
Preparation process is simple, cost is relatively low, repeatability is high, is greatly improved the military service life time of coated steel.It is with VOC content
It is low, smell is small, safe and convenient to use, environmental-friendly, coating corrosion resistance and good chemical resistance, contraction is small, hydrophobicity is good,
Advantage with high hardness.
The above enumerated are only specific embodiments of the present invention.Present invention is not limited to the above embodiments, can also there are many
Deformation.All deformations that those skilled in the art directly can export or associate from present disclosure, should all
It is considered protection scope of the present invention.
Claims (9)
1. a kind of environment-friendly highly efficient anticorrosion water-soluble coating, which is characterized in that coating is 1:5-50 by first and second liang of components in mass ratio
Ratio mixing；The component A is calculated by weight as poly-dopamine modified lithium polyaniline/graphene complex 0.05-5.5, goes
Ionized water 1-10；Component B be calculated by weight as water soluble alkyd resin 20-35, copolymer polyfunctional compound 5-15,
Resin B 15-25, pigment 5-10, defoaming agent 1-5.
2. environment-friendly highly efficient anticorrosion water-soluble coating as described in claim 1, it is characterised in that:
Poly-dopamine modified lithium polyaniline/the graphene complex is
1) graphene oxide, aniline monomer and initiator are according to 1:10-20:10-30 mass ratio, in acid condition, in -10 DEG C
~room temperature reaction 12-24 hours；
2) dopamine hydrochloride is dissolved in the buffer solution that pH is 6~9；
3) obtained polyaniline/graphene oxide compound and dopamine hydrochloride will be reacted according to 1:0.1-10 mass ratio,
Under acid condition, 12-24 hours are reacted to get poly-dopamine modified lithium polyaniline/graphene complex in room temperature~60 DEG C.
3. environment-friendly highly efficient anticorrosion water-soluble coating as claimed in claim 2, it is characterised in that: be centrifuged after the step 3) reaction
Processing, then successively after ethyl alcohol, deionized water are washed repeatedly, changes in -60 DEG C dry 12-48 DEG C of room temperature to get poly-dopamine
Property polyaniline/graphene complex.
4. environment-friendly highly efficient anticorrosion water-soluble coating as claimed in claim 2, it is characterised in that: the initiator is that azo two is different
One of butyronitrile, peroxidating two acyl, persulfate or multiple combinations.
5. environment-friendly highly efficient anticorrosion water-soluble coating as described in claim 1, it is characterised in that: the multifunctional dough of copolymer
Closing object is branching type alcohol and/or polyhydroxy-alcohol；Pigment is inorganic pigment or its aqueous color paste；The defoaming agent is poly dimethyl silicon
Oxygen alkane, silicone emulsion, polyoxyethylene polyoxypropylene pentaerythrite ether, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether,
One of polyoxyethylene polyoxypropylene glycerin ether or multiple combinations；The resin B is the resin containing hydroxyl and/or carboxyl.
6. environment-friendly highly efficient anticorrosion water-soluble coating as claimed in claim 5, it is characterised in that:
The branching type alcohol is one or more of three light methylpropanes, pentaerythrite, glycerine, polyglycerol, xylitol；
The polyhydroxy-alcohol is the acrylic copolymer containing hydroxyl or methyl.
The pigment is one of carotenoid pigment, flavonoids pigment, flavine pigment, leaf beautiful jade pigment and anthocyania pigment
Or multiple combinations；
The resin B be methyl acrylate, ethyl acrylate, n-butyl acrylate, isobutyl acrylate, tert-butyl acrylate,
One of propyl acrylate, cyclohexyl acrylate, propyl methacrylate, cyclohexyl methacrylate or multiple combinations.
7. the synthetic method of environment-friendly highly efficient anticorrosion water-soluble coating described in a kind of claim 1, which is characterized in that coating is by first and second
Two components are the ratio mixing of 1:5-50 in mass ratio；The component A be calculated by weight as poly-dopamine modified lithium polyaniline/
Graphene complex 0.05-5.5, deionized water 1-10；Component B is calculated by weight as water soluble alkyd resin 20-35, is total to
Polymers polyfunctional compound 5-15, resin B 15-25, pigment 5-10, defoaming agent 1-5.
8. by the synthetic method of environment-friendly highly efficient anticorrosion water-soluble coating described in claim 7, which is characterized in that the poly-dopamine
Modified polyaniline/graphene complex is
1) graphene oxide, aniline monomer and initiator are according to 1:10-20:10-30 mass ratio, in acid condition, in -10
DEG C-react at room temperature 12-24 hours；
2) dopamine hydrochloride is dissolved in the buffer solution that pH is 6~9；
3) obtained polyaniline/graphene oxide compound and dopamine hydrochloride will be reacted according to 1:0.1-10 mass ratio,
Under acid condition, 12-24 hours are reacted to get poly-dopamine modified lithium polyaniline/graphene complex in room temperature~60 DEG C.
9. by the synthetic method of environment-friendly highly efficient anticorrosion water-soluble coating described in claim 8, which is characterized in that the initiator is
One of azodiisobutyronitrile, peroxidating two acyl, persulfate or multiple combinations.
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| CN113088117A (en) * | 2021-03-31 | 2021-07-09 | 杭州佳杭新材料科技有限公司 | Preparation method of graphene composite anticorrosive coating |
| WO2021139227A1 (en) * | 2020-01-10 | 2021-07-15 | 中国科学院宁波材料技术与工程研究所 | Bionic sandwich corrosion-resistant coating, preparation method therefor, and use thereof |
| CN113414497A (en) * | 2021-07-16 | 2021-09-21 | 北京理工大学重庆创新中心 | Method for processing and preparing surface micro-nano composite structure |
| CN115595044A (en) * | 2022-10-28 | 2023-01-13 | 山东省公路桥梁建设集团有限公司（Cn） | Steel trestle anti-corrosion material and steel trestle construction process |
| CN116925631A (en) * | 2022-04-07 | 2023-10-24 | 国科广化(南雄)新材料研究院有限公司 | PDA-PANI-Ti-containing 3 C 2 T x Water-based polyurethane anticorrosive paint and preparation method thereof |
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Application publication date: 20181221 |