CN108659668A - Antifouling antistatic anti-corrosion nano composite epoxy coating and preparation method thereof - Google Patents
Antifouling antistatic anti-corrosion nano composite epoxy coating and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
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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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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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
- C09D5/24—Electrically-conducting paints
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0856—Iron
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0862—Nickel
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Abstract
The invention discloses a kind of antifouling antistatic anti-corrosion nano composite epoxy coating and preparation method thereof.The antifouling antistatic anti-corrosion nano composite epoxy coating of the present invention is made of epoxy resin, auxiliary agent, solvent, nanometer carbons thickened pulp, filler and curing agent, and preparation method is as follows：Nanometer carbons powder is modified with silicon fluoride coupling agent first, modified nanometer carbons powder is prepared into a nanometer carbons thickened pulp again, then nanometer carbons thickened pulp is added in the mixture of epoxy resin, solvent and auxiliary agent, high speed dispersion, add filler, it grinds again, obtains antifouling antistatic anti-corrosion nano compound polyurethane paint component one, component one is equipped with the component two comprising curing agent.The antifouling antistatic anti-corrosion nano composite epoxy coating prepared according to the method described above has preferable antifouling, antistatic and corrosion resistance.
Description
Technical field
The present invention relates to paint field, specifically a kind of antifouling antistatic anti-corrosion nano composite epoxy coating and its
Preparation method.
Background technology
High-tension electricity equipment is due to being exposed to the sun in environment outdoors throughout the year, it is therefore desirable to which the corresponding corrosion resistant coating of application carries out
Protection.Coating is organic high molecular polymer mostly, is a kind of insulating material after formation coating, is made in High Voltage DC electric field
It will produce stronger electrostatic field under.If electrostatic a large amount of accumulations on the insulating material, can cause power equipment that can not use.For
This, antistatic coating comes into being.General surface resistivity is 106~109Ω/cm2Between, volume resistivity is 105~108
Coating between Ω cm is known as antistatic coating, can quickly conduct electric current, eliminates electrostatic charge.In addition, depositing due to electrostatic field
, the filth in air is particularly easy to be adsorbed in high-tension electricity equipment, at present be directed to power equipment antifouling Study on Problems
Almost without report, it is based on the above present situation, high-tension electricity equipment surface coating needs not only have good corrosion resistance, must also
Must have certain antistatic property and antifouling property.
The priming paint of outdoor equipment anticorrosive coating is typically epoxy resin coating, but it can also be used as the finishing coat of indoor equipment
It uses, so preparing, one kind is antifouling, antistatic, anticorrosion epoxy coating is very necessary.CN102634276A discloses one kind and adopts
The anticorrosive paint not only Strong corrosion resistant prepared with polyaniline, but also there is antifouling, antistatic effect.
Antistatic coating is the function of adding certain conductive filler in nonconducting binder resin and realize static conductive, only
Conductive network or access could be formed by having the volume fraction of conductive filler to reach certain degree, embody conductive property.Often
Conductive filler mainly has metal class conductive filler and carbons conductive filler, including carbon black and graphite, there is raw material to be easy to get, property
Can stabilization, good conductivity, it is of low cost the advantages that.In recent years, the Carbon materials such as graphene, nano-graphite and carbon nanotubes obtain
Extensive development.CN106519947A is transparent antistatic coating based on grapheme material, anti-static function film and anti-quiet
The preparation method of Electricity Functional film, CN206616175U be transparent antistatic coating, anti-static function film based on grapheme material,
A kind of transparent antistatic coating, anti-static function film based on grapheme material are respectively provided, adhesive material technical field is belonged to.Closely
Nian Lai, graphene and its materials such as derivative carbon nanotube and nano-graphite have obtained extensive development, about grinding for this respect
Study carefully to be concentrated mainly on and improve in its dispersibility.
In general, most simple common method is addition interface modifier during the surface of nano-particle is modified, that is, is disperseed
Agent, coupling agent etc..Graphene powder surface chemical structure by chemical modification changes, from nonpolarity to polarity transformation,
Surface energy reduces, and the ability of aggregation between particle weakens, and can be well dispersed in various dicyandiamide solutions, increase it in ring
Stability in oxygen resin and dispersibility.Wu Fang(WU FANG,ZHAO WENJIE,QIN LIGUANG,et
al.Interfacial Compatibility and Anticorrosion Performance of Epoxy Resin
Coating Improvedby Modified Graphene and Graphene Oxide[J].Nanoscience and
Nanotechnology Letters,2015,7(10):793-800) etc. by the modified graphene of Silane coupling agent KH550 and
Graphene oxide is added in epoxy resin, and modified graphene and graphene oxide, can be uniformly in certain amount ranges
It is distributed in epoxy resin, effectively improves the antiseptic property of epoxy coating.Sepideh Pourhashem(SEPIDEH
POURHASHEM,ALIMORAD RASHIDI,MOHAMMAD REZA VAEZI,et al.Excellent Corrosion
Protection Performance of Epoxy Composite Coatings Filled with Amino-Silane
Functionalized Graphene Oxide[J].Surface&Coatings Technology,2017,317:1-9) etc.
It is added in epoxy coating with the modified graphene oxide of silane coupling A PTES (KH550), GPTMS (KH560),
The more non-modified graphene oxide good dispersion of modified graphene oxide.The modification of the above coupling agent can improve and carry
The dispersibility of high graphene or graphene oxide in resin, but might not increase to the anti-pollution performance of coating.
Invention content
The present invention provides a kind of antifouling antistatic anti-corrosion nano on the basis of existing epoxy coating corrosive nature research
Composite epoxy coating is not easy to sink to the bottom with excellent storage stability, and the antifouling antistatic anti-corrosion nano formed after curing
Antifouling, the antistatic and corrosion resistance of composite epoxy coating significantly improves.
For this purpose, the present invention adopts the following technical scheme that：Antifouling antistatic anti-corrosion nano composite epoxy coating comprising
Two component below：
It counts in parts by weight, component one includes following components and content：
It counts in parts by weight, component two includes following components and content：
Solvent 0~60,
Curing agent 40~70；
The quality proportioning of component one and component two is 100：20-80.
The coating of the present invention is mixed evenly, is sprayed in steel matrix in use, by the addition component one of component two,
Cure at room temperature and dry 1~7 day forms antifouling antistatic anti-corrosion nano composite epoxy coating.
Solvent is to prepare common solvent in epoxy coating, such as dimethylbenzene, n-butanol.
As the supplement of above-mentioned technical proposal, the epoxy resin is bisphenol A type epoxy resin.Presently commercially available asphalt mixtures modified by epoxy resin
The fat foreign countries trade mark has Epon828, DER331, GY250, Epiclon850 etc., the asphalt mixtures modified by epoxy resin that China's trade mark is 601,618,6101
Fat etc..
As the supplement of above-mentioned technical proposal, the curing agent is polyamide-based curing agent.Contain in such solidification agent molecule
There are longer fatty carbon chain and polar amide groups, epoxy resin can be made to cure under conditions of room temperature or heating, proportioning operation
Convenient, use scope is big, does not generate by-product with epoxy resin cooperation, shrinking percentage is small, nontoxic after solidification.Presently commercially available solidification
Agent such as 8115,650,651,203,600 etc. belongs to polyamide-based.
As the supplement of above-mentioned technical proposal, the filler is one or both of corrosion resistant stainless steel powder, nickel powder
Mixture.The selection principle of filler is：The mixed powder of stainless steel powder, nickel powder or both is main in the coating of the present invention
Filler, but graphene and its derivative Carbon materials (i.e. nanometer Carbon materials) they are also the component part of filler, are used alone
Stainless steel or graphene and its derivative are difficult to meet the requirement of antistatic property, and cost is very high as filler, the two association
The connections such as graphene face-surface stainless steel, nano-graphite face-surface stainless steel, carbon nano tube line-surface stainless steel can be formed with use
Conductive network, improve the antistatic property of coating.
As the supplement of above-mentioned technical proposal, the nanometer carbons thickened pulp is nanometer carbons powder through silicon fluoride coupling agent
Modified nanometer carbons thickened pulp.The present invention uses the coupling agent modified nanometer carbons powder of silicon fluoride, and in the form of slurry
It is added in resin system, nanometer carbons powder, if graphene surface is modified by the organic group with polyfluoro carbochain R-F, no
But its dispersibility in epoxy resin can be improved, and due to the presence of F in R-F groups, reduces the surface energy of coating, carries
Performance of the coating with automatically cleaning, anti-filth is supplied.
As the supplement of above-mentioned technical proposal, the nanometer carbons thickened pulp is graphene thickened pulp, nano-graphite concentration
Slurry or carbon nanotube thickened pulp.Nanometer carbons thickened pulp is the thickened pulp of graphene and its derivative Carbon materials.Nanometer carbons
The material of powder is graphene, nano-graphite, carbon nanotube.Graphene using few layer graphene, specific surface area 500~
1000m2/ g, thickness is in 0.55~3.74nm.Nano-graphite D100<1000nm, D50<400nm.Carbon nanotube uses multi wall carbon
Nanotube, caliber≤50nm, length≤50 μm.
As the supplement of above-mentioned technical proposal, the silicon fluoride coupling agent is the coupling agent containing formula；
RxˊSi(Rx〞)3,
Wherein：X=1 or 2；
R1ˊ is C8F17CH2CH2, R1〞 is-OCH2CH3Or-OCH3；
R2ˊ is C6F13CH2CH2, R2〞 is-OCH2CH3Or-OCH3。
Specific product can be selected from 17 fluorine ruthenium triethoxysilanes, 17 fluorine ruthenium trimethoxysilanes, 13
Fluorine octyltri-ethoxysilane, ten trifluoro octyl trimethoxy silanes.
As the supplement of above-mentioned technical proposal, the auxiliary agent is one kind in dispersant, levelling agent, antifoaming agent, anti-settling agent
Or it is a variety of, the dispersant is affinity groups high molecular polymerization species dispersant, and levelling agent is that can significantly reduce surface tension
Organosilicon levelling agent or modified acroleic acid levelling agent, antifoaming agent be organic silicon antifoaming agent, anti-settling agent be organically-modified swelling
Great soil group anti-settling agent.
BYK110, Anti-Terra-204, Disperbyk-161, Disperbyk- of the dispersant such as BYK companies
106.The Perenol S4, Perenol S400 of antifoaming agent such as Henkel companies, the BYK065 of Perenol S43 and BYK companies.
Levelling agent such as TEGO companies 450, TEGO Flow 370, TEGO Glide B 1484, the 354 of BYK companies.Anti-settling agent if any
Machine bentone great soil group, BENTONE 27, BENTONE 34 such as NL companies of the U.S..
The present invention also provides a kind of preparation methods of antifouling antistatic anti-corrosion nano composite epoxy coating comprising：
Nanometer carbons powder is modified with silicon fluoride coupling agent first, then is prepared by modified nanometer carbons powder
At nanometer carbons thickened pulp, then nanometer carbons thickened pulp is added in the mixture of epoxy resin, solvent and auxiliary agent, high speed
Dispersion is added filler, then grinds, and obtains component one；
Component one is equipped with component two.
The present invention provides a kind of preparation method of antifouling antistatic anti-corrosion nano composite epoxy coating again, by following suitable
Sequence and step carry out：
1) modification of graphene
Graphene is added in appropriate absolute ethyl alcohol, the silicon fluoride coupling agent of 0.5~5% graphene quality is added,
It is sufficiently stirred 1~2h, is warming up to 60~80 DEG C, flow back 2~4h under nitrogen protection, then the mixture of gained is filtered, is dried, ball
Grinding machine is ground, and obtains the modified powder of graphene；
2) graphene powder of above-mentioned modification is added in methyl iso-butyl ketone (MIBK) and xylene mixture solvent according to quantity, then
Dispersant, high speed dispersion is added, ball mill grinding is prepared into graphene thickened pulp, i.e. nanometer carbons thickened pulp；
3) the graphene thickened pulp of above-mentioned preparation is added to epoxy resin, levelling by dry film mass percent 0.5~5% is accounted for
In agent, antifoaming agent, anti-settling agent and solvent, stirs 10~30 minutes, obtain epoxy resin composition；
4) above-mentioned epoxy resin composition is added in the mixed powder of corrosion resistant stainless steel powder, nickel powder or both and carries out height
Speed dispersion, then be ground to, obtain component one；
5) curing agent of component two is dissolved with solvent；
In use, component two is added in component one, it is mixed evenly.
Stirring, high speed dispersion, grinding can use general high speed dispersion and ball-grinding machine, and such as high speed dispersor is sanded
Machine, ball mill etc..
The present invention, which uses the coupling agent modified graphene powder of silicon fluoride and adds dispersant-coated, is prepared into graphene concentration
Both slurries combine the report for improving graphene dispersion not find also.
Advantages of the present invention is as follows：
1. using the present invention, the nanometer carbons powder and several nanometers of carbons thickened pulps of several modifications can be obtained.
2. using the present invention, obtained nanometer carbons thickened pulp has dispersibility and compatibility well in epoxy coating.
3. the present invention is used as filler using graphene and corrosion resistant stainless steel, nickel powder or its mixed powder collaboration, significantly
Dosage when its exclusive use is reduced, graphene face-surface stainless steel, nano-graphite face-surface stainless steel, carbon nanometer can be formed
The conductive network of the connections such as pipeline-surface stainless steel improves the antistatic property of coating.
4. using the present invention, antifouling antistatic anti-corrosion nano composite epoxy coating has preferable antifouling, antistatic and resistance to
Corrosion.
5. antifouling antistatic anti-corrosion nano composite epoxy coating prepared by the present invention can be used as high pressure outside power grid room to set
The primer painting of steel construction under the finishing coat use of standby priming paint, indoor high-tension apparatus and other environment.
Description of the drawings
Fig. 1 is the flow chart of the antifouling antistatic anti-corrosion nano composite epoxy preparation method for coating of the present invention.
Specific implementation mode
The invention will be further described With reference to embodiment.
Outer unless specifically stated otherwise in the present invention, involved ratio is weight percentage or weight ratio.
The present invention investigates the antifouling situation of coating by water static contact angle and golden dragonfish edible oil contact angle test.Pass through
The surface resistivity and volume resistivity of testing coating, investigate the antistatic property of coating.It is tested, is evaluated by electrochemical impedance spectroscopy
The corrosion resistance of coating.Coating is prepared by aerial spraying method and antifouling antistatic anti-corrosion nano composite epoxy coating is sprayed
It is coated onto on the Q235 steel plates of 150mm × 75mm × 3mm, coating layer thickness is 90 ± 10 μm.
In detail below implement be come by taking one of which silicon fluoride coupling agent (17 fluorine ruthenium triethoxysilane) as an example into
Row experiment.
The preparation of nanometer carbons thickened pulp
Embodiment 1：100g graphenes are weighed to be put into equipped with appropriate absolute ethyl alcohol：Water=95:In 5 three-necked flask, then to
The silicon fluoride coupling agent of 0.5~5% graphene quality is added in it, is sufficiently stirred 1~2h, is warming up to 60~80 DEG C, is mixed
Flow back 2~4h, then mixture is filtered, dries, be ground up, sieved, and obtains the modified powder of graphene；Weigh 84g methyl tert-butyls
Mixed solvent (the mass ratio 2 of base ketone and dimethylbenzene:1) it is added in ball grinder, 6gBYK163 dispersants is added, adds 10g and changes
Graphene after property, high speed dispersion, ball mill grinding 2h obtain graphene thickened pulp.
Embodiment 2：100g nano-graphites are weighed to be put into equipped with appropriate absolute ethyl alcohol：Water=95:In 5 three-necked flask, then
The silicon fluoride coupling agent of 0.5~5% nano-graphite quality is added to it, is sufficiently stirred 1~2h, is warming up to 60~80 DEG C, mixing
It is stirred at reflux 2~4h, then mixture is filtered, dries, be ground up, sieved, obtains the modified powder of nano-graphite；Weigh 64g first
Mixed solvent (the mass ratio 2 of base isobutyl ketone and dimethylbenzene:1) it is added in ball grinder, 6gBYK163 dispersants is added, add
Nano-graphite modified 20g, high speed dispersion, ball mill grinding 2h obtain nano-graphite thickened pulp.
Embodiment 3：100g carbon nanotubes are weighed to be put into equipped with appropriate absolute ethyl alcohol：Water=95:In 5 three-necked flask, then
The silicon fluoride coupling agent of 0.5~5% carbon nanotube mass is added to it, is sufficiently stirred 1~2h, is warming up to 60~80 DEG C, mixing
It is stirred at reflux 2~4h, then mixture is filtered, dries, be ground up, sieved, obtains powder after carbon nano-tube modification；Weigh 84g first
Mixed solvent (the mass ratio 2 of base isobutyl ketone and dimethylbenzene:1) it is added in ball grinder, 6gBYK163 dispersants is added, add
Carbon nanotube modified 10g, high speed dispersion, ball mill grinding 2h obtain carbon nanotube thickened pulp.
The preparation of antifouling antistatic anti-corrosion nano composite epoxy coating
Embodiment 4：In ball grinder by by the graphene thickened pulp of embodiment 1 by accounting for dry film mass percent 0.3%
Amount is added to 44g E51 epoxy resin, 0.5g Anti-Terra-204 dispersants, 0.6gBYK065 antifoaming agent, 0.4gBYK354
Levelling agent, 0.5gBENTONE27 anti-settling agents and 24g dimethylbenzene and n-butanol (mass ratio 8:2) in the mixed solvent stirs 30 points
Clock；Add 30g stainless steel powders and nickel powder mixture；These epoxy resin compositions are ground 2 hours again, are obtained antifouling
The component one of antistatic anti-corrosion nano composite epoxy coating；50g polyamide curing agents 8115 are dissolved in other container
In 50g dimethylbenzene and n-butanol (mass ratio 8:2) in the mixed solvent obtains antifouling antistatic anti-corrosion nano composite epoxy and applies
The component two of material；By component one：Component two=100：60 ratio is added to component two in component one, is mixed evenly,
Antifouling antistatic anti-corrosion nano composite epoxy coating is obtained, is sprayed in steel matrix, ambient temperature curing drying forms anti-for 1~7 day
Dirty antistatic anti-corrosion nano composite epoxy coating.
Embodiment 5：In ball grinder by by the graphene thickened pulp of embodiment 1 by accounting for dry film mass percent 0.5%
Amount be added to 44g E51 epoxy resin, 0.5g BYK110 dispersants, 0.6gBYK065 antifoaming agent, 0.4gBYK354 levelling agents,
0.5gBENTONE27 anti-settling agents and 24g dimethylbenzene and n-butanol (mass ratio 8:2) in the mixed solvent stirs 30 minutes；Again plus
Enter 30g stainless steel powders and nickel powder mixture；These epoxy resin compositions are ground 2 hours again, are obtained antifouling antistatic
The component one of anti-corrosion nano composite epoxy coating；50g polyamide curing agents 8115 are dissolved in 50g bis- in other container
Toluene and n-butanol (mass ratio 8:2) in the mixed solvent obtains the group of antifouling antistatic anti-corrosion nano composite epoxy coating
Divide two；By component one：Component two=100：60 ratio is added to component two in component one, is mixed evenly, and obtains antifouling
Antistatic anti-corrosion nano composite epoxy coating, is sprayed in steel matrix, and ambient temperature curing and formation in dry 1~7 day is antifouling anti-
Electrostatic anti-corrosion nano composite epoxy coating.
Embodiment 6：In ball grinder by by the graphene thickened pulp of embodiment 1 by the amount for accounting for dry film mass percent 1%
It is added to 44g E51 epoxy resin, 0.5g Anti-Terra-204 dispersants, 0.6gBYK065 antifoaming agent, 0.4gBYK354 streams
Flat agent, 0.5gBENTONE27 anti-settling agents and 24g dimethylbenzene and n-butanol (mass ratio 8:2) in the mixed solvent stirs 30 points
Clock；Add 30g stainless steel powders and nickel powder mixture；These epoxy resin compositions are ground 2 hours again, are obtained antifouling
The component one of antistatic anti-corrosion nano composite epoxy coating；50g polyamide curing agents 8115 are dissolved in other container
In 50g dimethylbenzene and n-butanol (mass ratio 8:2) in the mixed solvent obtains antifouling antistatic anti-corrosion nano composite epoxy and applies
The component two of material；By component one：Component two=100：60 ratio is added to component two in component one, is mixed evenly,
Antifouling antistatic anti-corrosion nano composite epoxy coating is obtained, is sprayed in steel matrix, ambient temperature curing and formation in dry 1~7 day
Antifouling antistatic anti-corrosion nano composite epoxy coating.
Embodiment 7：In ball grinder by by the nano-graphite thickened pulp of embodiment 2 by accounting for dry film mass percent 0.5%
Amount be added to 44g E51 epoxy resin, 0.5g Anti-Terra-204 dispersants, 0.6gBYK065 antifoaming agent,
0.4gBYK354 levelling agents, 0.5gBENTONE27 anti-settling agents and 24g dimethylbenzene and n-butanol (mass ratio 8:2) mixed solvent
In, it stirs 30 minutes；Add 30g stainless steels and nickel powder mixture；It is small that these epoxy resin compositions are ground 2 again
When, obtain the component one of antifouling antistatic anti-corrosion nano composite epoxy coating；50g polyamide cures in other container
Agent 8115 is dissolved in 50g dimethylbenzene and n-butanol (mass ratio 8:2) in the mixed solvent obtains antifouling antistatic anti-corrosion nano
The component two of composite epoxy coating；By component one：Component two=100：60 ratio is added to component two in component one, mixing
It stirs evenly, obtains antifouling antistatic anti-corrosion nano composite epoxy coating, be sprayed in steel matrix, ambient temperature curing and drying 1
Form antifouling antistatic anti-corrosion nano composite epoxy coating within~7 days.
Embodiment 8：In ball grinder by by the nano-graphite thickened pulp of embodiment 2 by accounting for dry film mass percent 1%
Amount be added to 44g E51 epoxy resin, 0.5g BYK110 dispersants, 0.6gBYK065 antifoaming agent, 0.4gBYK354 levelling agents,
0.5gBENTONE27 anti-settling agents and 24g dimethylbenzene and n-butanol (mass ratio 8:2) in the mixed solvent stirs 30 minutes；Again plus
Enter 30g stainless steels and nickel powder mixture；These epoxy resin compositions are ground 2 hours again, are obtained antifouling antistatic resistance to
Corrode the component one of nano composite epoxy coating；50g polyamide curing agents 8115 are dissolved in 50g diformazans in other container
Benzene and n-butanol (mass ratio 8:2) in the mixed solvent obtains the component of antifouling antistatic anti-corrosion nano composite epoxy coating
Two；By component one：Component two=100：60 ratio is added to component two in component one, is mixed evenly, and obtains antifouling anti-
Electrostatic anti-corrosion nano composite epoxy coating, is sprayed in steel matrix, and ambient temperature curing and formation in dry 1~7 day is antifouling anti-quiet
Electric anti-corrosion nano composite epoxy coating.
Embodiment 9：In ball grinder by by the nano-graphite thickened pulp of embodiment 2 by accounting for dry film mass percent 1.5%
Amount be added to 44g E51 epoxy resin, 0.5g Anti-Terra-204 dispersants, 0.6gBYK065 antifoaming agent,
0.4gBYK354 levelling agents, 0.5gBENTONE27 anti-settling agents and 24g dimethylbenzene and n-butanol (mass ratio 8:2) mixed solvent
In, it stirs 30 minutes；Add 30g stainless steels and nickel powder mixture；It is small that these epoxy resin compositions are ground 2 again
When, obtain the component one of antifouling antistatic anti-corrosion nano composite epoxy coating；50g polyamide cures in other container
Agent 8115 is dissolved in 50g dimethylbenzene and n-butanol (mass ratio 8:2) in the mixed solvent obtains antifouling antistatic anti-corrosion nano
The component two of composite epoxy coating；By component one：Component two=100：60 ratio is added to component two in component one, mixing
It stirs evenly, obtains antifouling antistatic anti-corrosion nano composite epoxy coating, be sprayed in steel matrix, ambient temperature curing and drying 1
Form antifouling antistatic anti-corrosion nano composite epoxy coating within~7 days.
Embodiment 10：In ball grinder by by the carbon nanotube thickened pulp of embodiment 3 by accounting for dry film mass percent 0.3%
Amount be added to 44g E51 epoxy resin, 0.5g Anti-Terra-204 dispersants, 0.6gBYK065 antifoaming agent,
0.4gBYK354 levelling agents, 0.5gBENTONE27 anti-settling agents and 24g dimethylbenzene and n-butanol (mass ratio 8:2) mixed solvent
In, it stirs 30 minutes；Add 30g stainless steels and nickel powder mixture；It is small that these epoxy resin compositions are ground 2 again
When, obtain the component one of antifouling antistatic anti-corrosion nano composite epoxy coating；50g polyamide cures in other container
Agent 8115 is dissolved in 50g dimethylbenzene and n-butanol (mass ratio 8:2) in the mixed solvent obtains antifouling antistatic anti-corrosion nano
The component two of composite epoxy coating；By component one：Component two=100：60 ratio is added to component two in component one, mixing
It stirs evenly, obtains antifouling antistatic anti-corrosion nano composite epoxy coating, be sprayed in steel matrix, ambient temperature curing and drying 1
Form antifouling antistatic anti-corrosion nano composite epoxy coating within~7 days.
Embodiment 11：In ball grinder by by the carbon nanotube thickened pulp of embodiment 3 by accounting for dry film mass percent 0.5%
Amount be added to 44g E51 epoxy resin, 0.5g BYK110 dispersants, 0.6gBYK065 antifoaming agent, 0.4gBYK354 levellings
Agent, 0.5gBENTONE27 anti-settling agents and 24g dimethylbenzene and n-butanol (mass ratio 8:2) in the mixed solvent stirs 30 minutes；
Add 30g stainless steels and nickel powder mixture；These epoxy resin compositions are ground 2 hours again, are obtained antifouling anti-quiet
The component one of electric anti-corrosion nano composite epoxy coating；50g polyamide curing agents 8115 are dissolved in 50g in other container
Dimethylbenzene and n-butanol (mass ratio 8:2) in the mixed solvent obtains antifouling antistatic anti-corrosion nano composite epoxy coating
Component two；By component one：Component two=100：60 ratio is added to component two in component one, is mixed evenly, and obtains anti-
Dirty antistatic anti-corrosion nano composite epoxy coating, is sprayed in steel matrix, and ambient temperature curing and formation in dry 1~7 day is antifouling
Antistatic anti-corrosion nano composite epoxy coating.
Embodiment 12：In ball grinder by by the carbon nanotube thickened pulp of embodiment 3 by accounting for dry film mass percent 1%
Amount is added to 44g E51 epoxy resin, 0.5g Anti-Terra-204 dispersants, 0.6gBYK065 antifoaming agent, 0.4gBYK354
Levelling agent, 0.5gBENTONE27 anti-settling agents and 24g dimethylbenzene and n-butanol (mass ratio 8:2) in the mixed solvent stirs 30 points
Clock；Add 30g stainless steels and nickel powder mixture；These epoxy resin compositions are ground 2 hours again, are obtained antifouling anti-
The component one of electrostatic anti-corrosion nano composite epoxy coating；50g polyamide curing agents 8115 are dissolved in other container
50g dimethylbenzene and n-butanol (mass ratio 8:2) in the mixed solvent obtains antifouling antistatic anti-corrosion nano composite epoxy coating
Component two；By component one：Component two=100：60 ratio is added to component two in component one, is mixed evenly, and obtains
Antifouling antistatic anti-corrosion nano composite epoxy coating, is sprayed in steel matrix, and ambient temperature curing and formation in dry 1~7 day is anti-
Dirty antistatic anti-corrosion nano composite epoxy coating.
Comparative example 1：It will be added to 44g E51 epoxy resin in ball grinder, (mass ratio is for 24g dimethylbenzene and n-butanol
8:2) in the mixed solvent stirs 30 minutes；Obtain the component one of blank varnish；50g polyamide cures in other container
Agent 8115 is dissolved in 50g dimethylbenzene and n-butanol (mass ratio 8:2) in the mixed solvent obtains the component two of blank varnish；It presses
Component one：Component two=100：60 ratio is added to component two in component one, is mixed evenly, and obtains the painting of blank varnish
Material, is sprayed in steel matrix, ambient temperature curing and dry 1~7 day formation blank varnish coat.
Table 1 is coating performance test result, the results showed that antifouling antistatic anti-corrosion nano composite epoxy of the invention applies
Layer has good antifouling, antistatic and corrosion resistant performance compared with blank varnish coat.The modification of silicon fluoride coupling agent carries
High antifouling (the hydrophobic, oleophobic) ability of coating, the fillers such as stainless steel powder, the nickel powder of sheet and graphene, nano-graphite and
The synergistic effect of carbon nanotube not only forms conductive path and conductive network in the coating, improves the antistatic property of coating, together
When also improve the permeability resistance of coating, cause coating that there is good corrosion resistance.
1 coating performance test result of table
Embodiments of the present invention above described embodiment only expresses, can not be therefore understands that for the scope of the invention
Limitation also not makes any form of restriction the structure of the present invention.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made, these belong to the present invention
Protection domain.
Claims (10)
1. antifouling antistatic anti-corrosion nano composite epoxy coating, which is characterized in that including following two component：
It counts in parts by weight, component one includes following components and content：
It counts in parts by weight, component two includes following components and content：
Solvent 0~60,
Curing agent 40~70；
The quality proportioning of component one and component two is 100：20-80.
2. antifouling antistatic anti-corrosion nano composite epoxy coating according to claim 1, it is characterised in that：The epoxy
Resin is bisphenol A type epoxy resin.
3. antifouling antistatic anti-corrosion nano composite epoxy coating according to claim 1, it is characterised in that：The solidification
Agent is polyamide-based curing agent.
4. antifouling antistatic anti-corrosion nano composite epoxy coating according to claim 1, it is characterised in that：The filler
For the mixture of one or both of corrosion resistant stainless steel powder, nickel powder.
5. antifouling antistatic anti-corrosion nano composite epoxy coating according to claim 1, it is characterised in that：The nanometer
Carbons thickened pulp is nanometer carbons thickened pulp of the nanometer carbons powder after silicon fluoride is coupling agent modified.
6. antifouling antistatic anti-corrosion nano composite epoxy coating according to claim 5, it is characterised in that：The nanometer
Carbons thickened pulp is graphene thickened pulp, nano-graphite thickened pulp or carbon nanotube thickened pulp.
7. antifouling antistatic anti-corrosion nano composite epoxy coating according to claim 5, it is characterised in that：The fluorine silicon
Alkane coupling agent is the coupling agent containing formula；
RxˊSi(Rx〞)3,
Wherein：X=1 or 2；
R1ˊ is C8F17CH2CH2, R1〞 is-OCH2CH3Or-OCH3；
R2ˊ is C6F13CH2CH2, R2〞 is-OCH2CH3Or-OCH3。
8. the antifouling antistatic anti-corrosion nano composite epoxy coating of modification according to claim 1, it is characterised in that：It is described
Auxiliary agent is that one or more in dispersant, levelling agent, antifoaming agent, anti-settling agent, described dispersants is affinity groups macromolecule
Polymeric dispersants, levelling agent are the organosilicon levelling agent or modified acroleic acid levelling agent that can significantly reduce surface tension, are disappeared
Infusion is organic silicon antifoaming agent, and anti-settling agent is organic modified bentonite class anti-settling agent.
9. the preparation method of antifouling antistatic anti-corrosion nano composite epoxy coating, which is characterized in that including：
Nanometer carbons powder is modified with silicon fluoride coupling agent first, then modified nanometer carbons powder is prepared into and is received
Rice carbons thickened pulp, is then added to nanometer carbons thickened pulp in the mixture of epoxy resin, solvent and auxiliary agent, high speed point
It dissipates, filler is added, then grind, obtains component one；
Component one is equipped with component two.
10. the preparation method of antifouling antistatic anti-corrosion nano composite epoxy coating according to claim 1, feature exist
In, in the following order with step carry out：
1) modification of graphene
Graphene is added in appropriate absolute ethyl alcohol, the silicon fluoride coupling agent of 0.5~5% graphene quality is added, fully stirs
1~2h is mixed, is warming up to 60~80 DEG C, flow back 2~4h under nitrogen protection, then mixture suction filtration, drying, the ball mill of gained are ground
Mill, obtains the modified powder of graphene；
2) graphene powder of above-mentioned modification is added in methyl iso-butyl ketone (MIBK) and xylene mixture solvent according to quantity, is added
Dispersant, high speed dispersion, ball mill grinding are prepared into graphene thickened pulp, i.e. nanometer carbons thickened pulp；
3) the graphene thickened pulp of above-mentioned preparation by account for dry film mass percent 0.5~5% be added to epoxy resin, levelling agent,
In antifoaming agent, anti-settling agent and solvent, stirs 10~30 minutes, obtain epoxy resin composition；
4) above-mentioned epoxy resin composition is added in the mixed powder of corrosion resistant stainless steel powder, nickel powder or both and carries out high speed point
It dissipates, then is ground to, obtain component one；
5) curing agent of component two is dissolved with solvent；
In use, component two is added in component one, it is mixed evenly.
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