CN107502076A - Anticorrosive graphene industrial coating and its preparation method and application - Google Patents
Anticorrosive graphene industrial coating and its preparation method and application Download PDFInfo
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- CN107502076A CN107502076A CN201710890769.9A CN201710890769A CN107502076A CN 107502076 A CN107502076 A CN 107502076A CN 201710890769 A CN201710890769 A CN 201710890769A CN 107502076 A CN107502076 A CN 107502076A
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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
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/106—Anti-corrosive paints containing metal dust containing Zn
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0893—Zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08K3/04—Carbon
Abstract
The invention provides a kind of anticorrosive graphene industrial coating and its preparation method and application, it is related to technical field of coatings, is mainly prepared by the following raw material according to the mass fraction：450 550 parts of acrylic resin, 20 80 parts of graphene zinc nano-complex, 150 200 parts of deionized water, 200 300 parts of color stuffing, wherein, graphene zinc nano-complex is formed by Nano-Zinc particle in the reduction of surface of graphene oxide growth in situ, the technical problem that oxygen contacts with metal can not effectively be slowed down by alleviating existing anti-corrosive paints, the present invention passes through acrylic resin, anticorrosive graphene industrial coating made of the coordinated of graphene zinc nano-complex and color stuffing, not only high mechanical strength, dispersion stabilization is good, storage stability is grown, and good adhesion property is respectively provided with for different metal bases, oxygen can effectively be slowed down to contact with metal, slow down corrosion generation speed and provide effective protection for metal.
Description
Technical field
The present invention relates to technical field of coatings, more particularly, to a kind of anticorrosive graphene industrial coating and preparation method thereof
And application.
Background technology
Corrosion is the phenomenon that metal is damaged by chemical action or the electrochemical action of surrounding medium.United according to correlation
Meter, economic loss is 700,000,000,000-10,000 hundred million dollars caused by corrosion every year in the whole world, be approximately earthquake, floods, typhoon etc. from
So lose cause economic loss summation 6 times.In China, every year due to losing about 800,000,000,000 yuan caused by corrosion, account for GDP's
3% or so, for a long time, people use multiple technologies always, slow down the speed that corrosion occurs.
At present, commercially available anticorrosive industrial coating mainly has zinc-riched epoxy cold coating and zinc-rich polyurethane resin, these
Coating coated on metal surface by forming coating to reduce metal erosion.But moisture absorption and being passed through for oxygen are coating metals
The reason for corrosion process, although these coatings can hinder moisture to be contacted with metal, the optimal barrier of oxygen is cannot function as,
Oxygen can pass through coating and generate oxide in the interface of metal and coating and metal reaction, cause coating to occur with metal de-
From metal degradation aggravation.
In view of this, it is special to propose the present invention.
The content of the invention
An object of the present invention is to provide a kind of anticorrosive graphene industrial coating, to alleviate existing zinc-riched epoxy
Cold coating and zinc-rich polyurethane coating can only stop that moisture contacts with metal, and can not effectively slow down connecing for oxygen and metal
Touch, oxygen can pass through coating at metal and coating interface with metal reaction generation oxide, cause coating to occur with metal
Depart from, the technical problem of metal degradation aggravation.
Anticorrosive graphene industrial coating provided by the invention is mainly prepared by the following raw material as mass fraction：
Acrylic resin 450-550 parts, graphene-zinc nano-complex 20-80 parts, deionized water 150-200 parts, color stuffing 200-
300 parts, wherein, graphene-zinc nano-complex is formed by Nano-Zinc particle in the reduction of surface of graphene oxide growth in situ..
Further, the anticorrosive graphene industrial coating mainly by according to the mass fraction the following raw material prepare and
Into：Acrylic resin 480-520 parts, graphene-zinc nano-complex 40-60 parts, deionized water 165-185 parts, color stuffing
220-280 parts, wherein, graphene-zinc nano-complex by Nano-Zinc particle surface of graphene oxide growth in situ reduce and
Into.
Further, the anticorrosive graphene coating is mainly prepared by the following raw material according to the mass fraction：Third
Olefin(e) acid resin 490-510 parts, graphene-zinc nano-complex 45-55 parts, deionized water 170-180 parts, color stuffing 240-260
Part, wherein, graphene-zinc nano-complex is formed by Nano-Zinc particle in the reduction of surface of graphene oxide growth in situ.
Further, the preparation method of the graphene-zinc nano-complex, comprises the following steps：
(a) Zinc compounds and graphene oxide are dispersed in aqueous slkali and reacted, generate graphene oxide-zinc hydroxide
Compound；
(b) graphene oxide-zinc hydroxide compound is subjected to reduction reaction, that is, graphene-zinc nano-complex is made；
Wherein, Zinc compounds in zinc acetate, zinc propionate, zinc butyrate, zinc sulfate, zinc chloride and zinc nitrate at least one
Kind.
Further, the acrylic resin in styrene-acrylic emulsion, pure-acrylic emulsion, silicone acrylic emulsion and acrylate and vinyl acetate emulsion extremely
Few one kind, preferably styrene-acrylic emulsion.
Further, the anticorrosive graphene industrial coating also includes auxiliary agent 50-100 parts, and the auxiliary agent includes scattered
At least two in agent, antifreezing agent, wetting agent, defoamer, film forming agent, anti-flash rusting agent, viscosity modifier, levelling agent and thickener
Kind.
Further, the color stuffing includes at least one of iron oxide red, wollastonite, aluminum phosphate and trbasic zinc phosphate.
The second object of the present invention is the preparation method for providing above-mentioned anticorrosive graphene industrial coating, existing to alleviate
Zinc-riched epoxy cold coating and zinc-rich polyurethane coating can only stop that moisture contacts with metal, and can not effectively slow down oxygen with
The contact of metal, oxygen can pass through coating at metal and coating interface with metal reaction generation oxide, cause coating with
Metal departs from, the technical problem of metal degradation aggravation.
The preparation method of anticorrosive graphene industrial coating provided by the invention, comprises the following steps：
Acrylic resin, graphene-zinc nano-complex, color stuffing, deionized water and optional auxiliary agent are well mixed,
Anticorrosive graphene industrial coating is made.
Further, the preparation method of the anticorrosive graphene industrial coating, comprises the following steps：First by acrylic acid tree
Fat, color stuffing and deionized water are well mixed, and add the deionized water of graphene-zinc nano-complex and surplus and optional
Auxiliary agent is well mixed, that is, anticorrosive graphene industrial coating is made.
The third object of the present invention is the application for providing above-mentioned anticorrosive graphene industrial coating, provided by the invention anti-
Corrode graphene industrial coating be used for coated on aircraft, ship, ship, automotive vehicle body, building, bridge, electrical antenna tower and
The outer surface of wind turbine.
Anticorrosive graphene industrial coating provided by the invention, by acrylic resin, graphene-zinc nano-complex and
The coordinated of color stuffing, after it is coated on metal surface, moisture can not only be hindered to be contacted with metal, and being capable of conduct
The optimal barrier of oxygen, so as to effectively avoid metal with generating oxide at coating interface, so as to effectively slow down metal erosion speed
Degree, effective protection is provided for metal.In addition, anticorrosive graphene industrial coating provided by the invention, passes through acrylic resin, stone
The coordinated of black alkene-zinc nano-complex and color stuffing, its hardness is high, flexility and abrasion resistance properties are good, stably dispersing
Property it is good, storage stability length, good adhesion property is respectively provided with for different metal bases.
The preparation method of anticorrosive graphene industrial coating provided by the invention, technique is simple, easy to operate, suitable for work
The big production of industryization, can save substantial amounts of man power and material.
Embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the present invention.It is unreceipted specific in embodiment
Condition person, the condition suggested according to normal condition or manufacturer are carried out.Agents useful for same or the unreceipted production firm person of instrument, it is
The conventional products that can be obtained by commercially available purchase.
According to an aspect of the present invention, the invention provides a kind of anticorrosive graphene industrial coating, mainly by by matter
The following raw material of amount number meter is prepared：Acrylic resin 450-550 parts, graphene-zinc nano-complex 20-80 parts, go
Ionized water 150-200 parts, color stuffing 200-300 parts, wherein, graphene-zinc nano-complex is by Nano-Zinc particle in oxidation stone
Black alkene surface in situ growth reduction forms.
In a preferred embodiment of the invention, the typical but non-limiting mass fraction of acrylic resin as 455,
460th, 465,470,475,480,485,490,495,500,505,510,515,520,525,530,535,540,545 parts；
In a preferred embodiment of the invention, the typical but non-limiting mass parts of graphene-zinc nano-complex
Number as 22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,68,
70th, 72,74,76 or 78 parts.
In a preferred embodiment of the invention, the typical but non-limiting mass fraction of deionized water as 152,
154、156、158、160、162、164、166、168、170、172、174、176、178、180、182、184、186、188、190、
192nd, 194,196 or 198 parts.
In a preferred embodiment of the invention, the typical but non-limiting mass fraction of color stuffing as 205,210,
215th, 220,225,230,235,240,245,250,255,260,265,270,275,280,285,290 or 295 parts.
In the present invention, acrylic resin in pure-acrylic emulsion, styrene-acrylic emulsion, silicon third and acrylate and vinyl acetate emulsion at least one
Kind, preferably styrene-acrylic emulsion.
Anticorrosive graphene industrial coating provided by the invention, by acrylic resin, graphene-zinc nano-complex and
The coordinated of color stuffing, after it is coated on metal surface, moisture can not only be absorbed, and can be as the optimal of oxygen
Barrier, so as to effectively avoid metal from, so as to effectively avoid metal from being corroded, being provided with generating oxide at coating interface for metal
Effectively protection.In addition, anticorrosive graphene industrial coating provided by the invention, is answered by acrylic resin, graphene-zinc nanometer
The coordinated of compound and color stuffing, its hardness is high, flexility and abrasion resistance properties are good, and dispersion stabilization is good, and storage is stable
Phase is grown, and good adhesion property is respectively provided with for different metal bases.
Graphene provided by the invention-zinc nano-complex, by Nano-Zinc particle in surface of graphene oxide growth in situ
Reduction forms so that the particle diameter of zinc particle is smaller, significantly improves the specific surface area of zinc particle, so as to effectively increase zinc and oxygen
The electrochemical reaction efficiency of gas, to reach the effect for effectively hindering metal and oxygen generation oxidation reaction generation oxide, due to
Dispersion stabilization in the distinctive water of graphene oxide itself so that the zinc particle in graphene-zinc complexes of generation is in coating
Stably dispersing in system, ensure the stability and homogeneity of coating anti-corrosion effects, improve storage stability.
In a preferred embodiment of the invention, the preparation method of graphene-zinc nano-complex, comprises the following steps：
(a) Zinc compounds and graphene oxide are dispersed in aqueous slkali and reacted, generate graphene oxide-zinc hydroxide
Compound；
(b) graphene oxide-zinc hydroxide compound is subjected to reduction reaction, that is, graphene-zinc nano-complex is made；
Wherein, Zinc compounds in zinc acetate, zinc propionate, zinc butyrate, zinc sulfate, zinc chloride and zinc nitrate at least one
Kind.
In a preferred embodiment of the invention, it is (5-6) according to mass ratio by zinc acetate and graphene oxide:4 add
Into alkaline solution, reacted, generate graphene oxide-zinc hydroxide compound, after the removal of impurity is gone in washing, add hydroboration
Sodium reduces to graphene oxide-zinc hydroxide compound, obtains graphene-zinc nano-complex.
In a preferred embodiment of the invention, acrylic resin is selected from styrene-acrylic emulsion, pure-acrylic emulsion, silicone acrylic emulsion and vinegar
At least one of acrylic emulsion.
In formulation for coating material, the function of matrix resin is to bond pigment, while bottom and coating are combined into firmly
It is overall, stop the erosion of corrosive medium, its antiseptic property to product plays an important role.Therefore, suitable resin pair is selected
The antiseptic property of coating is extremely important.Film forming matter in addition to there is good moulding property, adhesive force, durability, its
As the carrier for bonding color stuffing, also tackling color stuffing agent aid has certain compatibility and wetability.Acrylic resin applies
Film is fine and close, water-tolerant, strong with substrate adhesion, and adhesion strength is high, and chemical-resistance is excellent, therefore, from acrylic resin
As matrix resin, during especially from styrene-acrylic emulsion as matrix resin, its combination property is more excellent.
In a preferred embodiment of the invention, anticorrosive graphene industrial coating also includes auxiliary agent 50-100 parts, auxiliary agent
Including at least two in dispersant, antifreezing agent, wetting agent, defoamer, film forming agent, anti-flash rusting agent, viscosity modifier and thickener
Kind.
In a preferred embodiment of the invention, antifreezing agent is selected from ethylene glycol and/or propane diols；Wetting agent is selected from PE-
100th, at least one of ethanol, propane diols and glycerine；Dispersant be lauryl sodium sulfate, polyoxyethylene alkyl phenyl ether,
At least one of -2 methyl isophthalic acids of 2- amino-propyl alcohol, enuatrol, Sodium Polyacrylate or polyisobutene maleic acid sodium salt；Into
Film is in ethylene glycol, propane diols, hexylene glycol, propandiol butyl ether, butyl glycol ether, xylyl alcohol or 2-Butoxyethyl acetate
At least one；Defoamer is butanol, 1,2- propane diols, octanol, tributyl phosphate, emulsification dimethicone, emulsification benzyl
At least one of silicone oil, polyoxyethylene polyoxypropylene pentaerythrite ether or polyoxyethylene polyoxy propyl alcohol amidogen ether；Viscosity modifier
For AMP-95；Thickener is dibutyl phthalate, hydroxymethyl cellulose, hydroxyethyl cellulose, methylcellulose, xanthan
Glue, XG-60, XG-903, SN-612 or TT-935.
In a preferred embodiment of the invention, color stuffing is included in iron oxide red, wollastonite, aluminum phosphate and trbasic zinc phosphate at least
It is a kind of.
Wollastonite is a kind of inorganic needle-like mineral, and nontoxic, resistant to chemical etching, heat endurance and dimensionally stable are good, low suction
Water rate and oil factor, mechanical property and electric property are excellent and have certain strengthening action.
Trbasic zinc phosphate is a kind of rust resisting pigment of white non-toxic, is that the excellent a new generation of rust-proof effect is non-toxic, non-harmful
Rust resisting pigment, it can effectively substitute traditional rust resisting pigment containing heavy metal lead, chromium.
Aluminum phosphate is a kind of rust resisting pigment, and it can generate chelate with metal ion, so that metal is passivated, also simultaneously
Film adhesive can effectively be improved, improve salt fog resistance and anti-foaming.
Iron oxide red is also a kind of rust resisting pigment, and property is stable under normal temperature and pressure.
According to another aspect of the present invention, present invention also offers the preparation side of above-mentioned anticorrosive graphene industrial coating
Method, comprise the following steps：
Acrylic resin, graphene-zinc nano-complex, color stuffing, deionized water and optional auxiliary agent are well mixed,
Anticorrosive graphene industrial coating is made.
The preparation method of anticorrosive graphene industrial coating provided by the invention, technique is simple, easy to operate, suitable for work
The big production of industryization, can save substantial amounts of man power and material.
In the preferred embodiment of the preparation method of anticorrosive graphene industrial coating provided by the invention, first by propylene
Acid resin, color stuffing and deionized water are well mixed, and are added the deionized water of graphene-zinc nano-complex and surplus and are appointed
The auxiliary agent of choosing is well mixed, that is, anticorrosive graphene industrial coating is made.
By being first well mixed acrylic resin, color stuffing and deionized water, be advantageous to color stuffing being uniformly dispersed, so
After add graphene-zinc complexes and be uniformly dispersed, optional auxiliary agent is added during scattered, in favor of what is be prepared
It is dispersed between each component in anticorrosive graphene industrial coating, ensure the homogeneity of coating property during coating.
According to the third aspect of the present invention, the invention provides the application of above-mentioned anticorrosive graphene industrial coating, sheet
Invention provide anticorrosive graphene industrial coating be used for coated on aircraft, ship, ship, automotive vehicle body, building, bridge,
The outer surface of electrical antenna tower and wind turbine.
With reference to embodiment and comparative example, technical scheme provided by the invention is further described.
Embodiment 1
A kind of anticorrosive graphene industrial coating is present embodiments provided, by the following raw material preparation according to the mass fraction
Into：450 parts of styrene-acrylic emulsion, graphene -80 parts of zinc nano-complex, 200 parts of wollastonite, 205 parts of deionized water, 5 parts of ethylene glycol,
1 part of AMP95,10 parts of lauryl sodium sulfate, 1 part of glycerine, 1 part of T08,1 part of octanol, 3 parts of ammoniacal liquor, 40 parts of propane diols, butanol 1
Part, anti-5 parts of flash rusting agent, 4 parts of 3 parts of RM2020, RM 8W；Wherein graphene-zinc nano-complex prepare in accordance with the following steps and
Into：2.75g Zinc diacetate dihydrates, 200mg graphene oxides and 1g NaOH are dispersed in the NH3H2O that 25mL concentration is 25%
In solution, after reacting 1h, pH value is adjusted to 11 with 0.1mol/L NaOH, continues to react 2h, forms graphene oxide-hydroxide
Zinc complexes.After the removal of impurity is gone in washing, using hydro-thermal method, add 1g sodium borohydrides and react 24h under 180 DEG C (about 2MPa), obtain
To graphene-zinc complexes.
Embodiment 2
A kind of anticorrosive graphene industrial coating is present embodiments provided, the present embodiment and the difference of embodiment 1 exist
In styrene-acrylic emulsion is 550 parts, and graphene-zinc nano-complex is 20 parts, and wollastonite is 80 parts, and iron oxide red is 125 parts, deionization
Water is 150 parts.
Embodiment 3
A kind of anticorrosive graphene industrial coating is present embodiments provided, the present embodiment and the difference of embodiment 1 exist
In styrene-acrylic emulsion is 480 parts, and graphene-zinc nano-complex is 60 parts, and deionized water is 165 parts, and iron oxide red is 80 parts, silicon ash
Stone is 100 parts, and aluminum phosphate is 40 parts.
Embodiment 4
A kind of anticorrosive graphene industrial coating is present embodiments provided, the present embodiment and the difference of embodiment 1 exist
In styrene-acrylic emulsion is 520 parts, and graphene-zinc nano-complex is 40 parts, and deionized water is 185 parts, and iron oxide red is 80 parts, silicon ash
Stone is 80 parts, 20 parts of trbasic zinc phosphate.
Embodiment 5
A kind of anticorrosive graphene industrial coating is present embodiments provided, the present embodiment and the difference of embodiment 1 exist
In styrene-acrylic emulsion is 490 parts, and graphene-zinc nano-complex is 55 parts, and deionized water is 170 parts, and iron oxide red is 80 parts, silicon ash
Stone is 80 parts, 20 parts of aluminum phosphate, 30 parts of trbasic zinc phosphate.
Embodiment 6
A kind of anticorrosive graphene industrial coating is present embodiments provided, the present embodiment and the difference of embodiment 1 exist
In styrene-acrylic emulsion is 510 parts, and graphene-zinc nano-complex is 45 parts, and deionized water is 180 parts, and iron oxide red is 80 parts, silicon ash
Stone is 80 parts, 20 parts of aluminum phosphate, 10 parts of trbasic zinc phosphate.
Embodiment 7
A kind of anticorrosive graphene industrial coating is present embodiments provided, the present embodiment and the difference of embodiment 1 exist
In styrene-acrylic emulsion is 500 parts, and graphene-zinc nano-complex is 50 parts, and deionized water is 175 parts, and iron oxide red is 80 parts, silicon ash
Stone is 80 parts, 20 parts of aluminum phosphate, 20 parts of trbasic zinc phosphate.
The preparation method for the anticorrosive graphene industrial coating that embodiment 1-7 is provided, is carried out as follows：First by phenylpropyl alcohol
Emulsion, color stuffing and portions of de-ionized water are well mixed, add graphene-zinc nano-complex and surplus deionized water and
Auxiliary agent adjusts viscosity and dispersing uniformity, and anticorrosive graphene industrial coating is made after being well mixed.
Comparative example 1
This comparative example provides a kind of anticorrosive graphene industrial coating, and the difference of this comparative example and embodiment 7 exists
In, 400 parts of styrene-acrylic emulsion, graphene -50 parts of zinc nano-complex, 165 parts of deionized water, 350 parts of color stuffing.
Comparative example 2
This comparative example provides a kind of anticorrosive graphene industrial coating, and the difference of this comparative example and embodiment 7 exists
In, 600 parts of styrene-acrylic emulsion, graphene -50 parts of zinc nano-complex, 165 parts of deionized water, 110 parts of color stuffing.
Comparative example 3
This comparative example provides a kind of anticorrosive graphene industrial coating, and the difference of this comparative example and embodiment 7 exists
In being not added with graphene-zinc nano-complex.
Comparative example 4
This comparative example provides a kind of anticorrosive graphene industrial coating, and the difference of this comparative example and embodiment 7 exists
In graphene-zinc nano-complex is 5 parts.
Comparative example 5
This comparative example provides a kind of anticorrosive graphene industrial coating, and the difference of this comparative example and embodiment 7 exists
In graphene-zinc nano-complex is 100 parts.
Comparative example 6
This comparative example provides a kind of anticorrosive graphene industrial coating, and the difference of this comparative example and embodiment 7 exists
In replacing graphene-zinc nano-complex using nano zinc powder.
Comparative example 7
This comparative example provides a kind of anticorrosive graphene industrial coating, and the difference of this comparative example and embodiment 7 exists
In replacing graphene-zinc nano-complex using graphene oxide.
The anti-corruption that the preparation method for the anticorrosive graphene industrial coating that above-mentioned comparative example 1-7 is provided provides with embodiment 7
It is identical to lose the preparation method of graphene industrial coating, will not be repeated here.
The anticorrosive graphene industrial coating that above-described embodiment 1-7 and comparative example 1-7 are provided carries out performance test, wherein
Impact strength is tested according to GB/T 1725, and hardness is tested using 2H hardness pencils, and adhesive force uses GB/T 1720
Tested, pliability is tested according to GB/T 1731, and wearability is tested according to GB/T 23988, and resistance to salt water is pressed
Tested according to GB/T1763, acid resistance and alkali resistance are tested according to GB/T9274, and salt fog resistance is according to GB/T 1771
Tested, test result is as shown in table 1：
The anticorrosive graphene industrial coating performance data table of table 1
As it can be seen from table 1 the anticorrosive graphene industrial coating that 1-7 of the embodiment of the present invention is provided, impact strength are more than
40g.cm, hardness 2HB, adhesive force are more than 2 grades, and pliability is not higher than 5mm, and wearability is higher than 1500L/ μm, resistance to salt water
More than 1600h, acid resistance is implemented more than 1200h, alkali resistance more than 1400h, salt fog resistance more than 1600h, this explanation present invention
The association that the anticorrosive graphene industrial coating that example 1-7 is provided passes through acrylic resin, graphene-zinc nano-complex and color stuffing
With coordinating, hardness, flexility and the anti-wear performance of coating can either be improved, additionally it is possible to as the optimal barrier of oxygen, effectively
Avoid oxygen from being contacted with metal, significantly improve its acid resistance, alkali resistance, resistance to salt water and salt fog resistance, effectively slow down metal
Corrosion rate, effective protection is provided for metal, so as to reduce because corrosion and caused by economic loss.
It is can be seen that by embodiment 1-7 and comparative example 1-2 contrast when acrylic resin, graphene-zinc are nano combined
When the mass fraction of thing and color stuffing is in limited range of the present invention, its hardness, anti-wear performance, flexility and anticorrosive
Function admirable, when the mass fraction of this three is not in the framework of the present definition, its hardness, anti-wear performance, flexility
It is decreased obviously with corrosion resistance.
It is can be seen that by embodiment 1-7 and comparative example 3-5 contrast by anticorrosive graphene provided by the invention
Added in industrial coating a certain amount of graphene-zinc complexes can effectively improve anticorrosive graphene industrial coating hardness,
Anti-wear performance, flexility and corrosion resistance, make its combination property more excellent.
It can be seen that by embodiment 1-7 and comparative example 6-7 contrast and graphite substituted using zinc powder or graphene oxide
Hardness, anti-wear performance, flexility and the corrosion resistance for the anticorrosive graphene industrial coating that alkene-zinc complexes are prepared
It is decreased obviously, the anticorrosive graphene industrial coating that this explanation 1-7 of the embodiment of the present invention is provided is by adding graphite
Alkene-zinc complexes, it is set mutually to be cooperateed with color stuffing and styrene-acrylic resin so that the combination property of coating more has excellent.
In addition, the anti-corruption also provided anticorrosive graphene industrial coating and comparative example 1-7 that above-described embodiment 1-7 is provided
Erosion graphene industrial coating has carried out stability test, as a result shows, the anticorrosive graphene industry that embodiment 1-7 is provided applies
Material can keep stably dispersing, no sedimentation phenomenon in 6 months；And the anticorrosive graphene industrial coating that comparative example 1-2 is provided
Occurred obvious sedimentation at 45 days；The anticorrosive graphene industrial coating that comparative example 3-4 is provided kept scattered steady in 6 months
It is fixed, no sedimentation phenomenon；There is obvious sedimentation in 2 months in the anticorrosive graphene industrial coating that comparative example 5-7 is provided, and this says
Bright anticorrosive graphene industrial coating dispersion stabilization provided by the invention is more preferable, and storage stability is longer.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
- A kind of 1. anticorrosive graphene industrial coating, it is characterised in that mainly by according to the mass fraction the following raw material prepare and Into：Acrylic resin 450-550 parts, graphene-zinc nano-complex 20-80 parts, deionized water 150-200 parts, color stuffing 200-300 parts, wherein, graphene-zinc nano-complex by Nano-Zinc particle surface of graphene oxide growth in situ reduce and Into.
- 2. anticorrosive graphene industrial coating according to claim 1, it is characterised in that mainly by according to the mass fraction The following raw material is prepared：Acrylic resin 480-520 parts, graphene-zinc nano-complex 40-60 parts, deionized water 165- 185 parts, color stuffing 220-280 parts, wherein, graphene-zinc nano-complex is former in surface of graphene oxide by Nano-Zinc particle Position growth reduction forms.
- 3. anticorrosive graphene industrial coating according to claim 1, it is characterised in that mainly by according to the mass fraction The following raw material is prepared：Acrylic resin 490-510 parts, graphene-zinc nano-complex 45-55 parts, deionized water 170- 180 parts, color stuffing 240-260 parts, wherein, graphene-zinc nano-complex is former in surface of graphene oxide by Nano-Zinc particle Position growth reduction forms.
- 4. the anticorrosive graphene industrial coating according to claim any one of 1-3, it is characterised in that the graphene- The preparation method of zinc nano-complex, comprises the following steps：(a) Zinc compounds and graphene oxide are dispersed in aqueous slkali and reacted, generation graphene oxide-zinc hydroxide is compound Thing；(b) graphene oxide-zinc hydroxide compound is subjected to reduction reaction, that is, graphene-zinc nano-complex is made；Wherein, Zinc compounds are selected from least one of zinc acetate, zinc propionate, zinc butyrate, zinc sulfate, zinc chloride and zinc nitrate.
- 5. the anticorrosive graphene industrial coating according to claim any one of 1-3, it is characterised in that the acrylic acid tree Fat is selected from least one of styrene-acrylic emulsion, pure-acrylic emulsion, silicone acrylic emulsion and acrylate and vinyl acetate emulsion, preferably styrene-acrylic emulsion.
- 6. the anticorrosive graphene industrial coating according to claim any one of 1-3, it is characterised in that also including auxiliary agent 50-100 parts, the auxiliary agent include dispersant, antifreezing agent, wetting agent, defoamer, film forming agent, anti-flash rusting agent, viscosity modifier, At least two in levelling agent and thickener.
- 7. the anticorrosive graphene industrial coating according to claim any one of 1-3, it is characterised in that the color stuffing bag Include at least one of iron oxide red, wollastonite, aluminum phosphate and trbasic zinc phosphate.
- 8. the preparation method of the anticorrosive graphene industrial coating according to claim any one of 1-7, it is characterised in that bag Include following steps：Acrylic resin, graphene-zinc nano-complex, color stuffing, deionized water and optional auxiliary agent are well mixed, that is, made Obtain anticorrosive graphene industrial coating.
- 9. the preparation method of anticorrosive graphene industrial coating according to claim 8, it is characterised in that including following step Suddenly：First acrylic resin, color stuffing and deionized water are well mixed, add graphene-zinc nano-complex and surplus Deionized water and optional auxiliary agent are well mixed, that is, anticorrosive graphene industrial coating is made.
- 10. the application of the anticorrosive graphene industrial coating according to claim any one of 1-7, it is characterised in that be used for Outer surface coated on aircraft, ship, ship, automotive vehicle body, building, bridge, electrical antenna tower and wind turbine.
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