CN109929384A - A kind of graphene water-base epoxy electrostatic conductive anticorrosion paint and preparation method thereof - Google Patents
A kind of graphene water-base epoxy electrostatic conductive anticorrosion paint and preparation method thereof Download PDFInfo
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Abstract
The present invention provides a kind of graphene water-base epoxy electrostatic conductive anticorrosion paint and preparation method thereof, using aqueous epoxy resins as film forming matter, using graphene as conductive filler, with trbasic zinc phosphate, aluminium triphosphate, ferrotitanium powder etc. for rust resisting pigment, under the cooperation of function additive, it is prepared into and has both antistatic, anti-corrosion function coating, to solve the problems, such as that poor existing anti-corrosive and static conductive coating pollution environment, oil resistivity, antiseptic property and electric conductivity are bad, while the technical issues of solve easily settled coating, easy precipitation.
Description
Technical field
The present invention relates to industrial coating technical fields, more particularly, to a kind of graphene water-base epoxy electrostatic conductive anticorrosion paint
And preparation method.
Technical background
Steel oil storage tank is the infrastructure that the conveying of petroleum and petrochemical sector oil product, storage and safe operation must be indispensable,
In use, since the corrosion for frequently suffering from inside and outside surrounding medium is easy to produce security risk.It is therefore desirable to storage tank
Implement effective preservative treatment measure, to reduce the generation of safety accident.In addition, the safe handling in order to guarantee oil tank, is being examined
While considering anti-corrosion protection in oil tank, the leakage for also needing the generation for inhibiting electrostatic charge and promoting charge excludes the accumulation of electrostatic charge,
Therefore inner wall of oil tank should use static electricity conductive anticorrosive paint.According to national standard GB50393-2008 " steel petroleum storage tank anticorrosion labourer
Journey technical specification ", electrostatic conductive anticorrosion paint sheet resistance should be 10 in tank8~1011Ω。
Reservoir walls anti-corrosive and static conductive coating major part is all the addition using volatile organic solvent as diluent at present
Type oil paint.In use, due to the high volatility of organic solvent, and part organic solvent is toxic has for this kind of coating
Evil, seriously jeopardizes the health of construction personnel and pollutes environment；Further, since the flash-point of organic solvent is low, in closed oil
It is inflammable and explosive when construction coating in product storage tank, cause serious personal injury and huge property loss.Therefore, this kind of solvent type
Anti-corrosive and static conductive coating runs counter to " environmental protection, safety, energy conservation, emission reduction " the sustainable development war that the Chinese government formulates and promulgates execution
Slightly, it would be highly desirable to develop safe and environment-friendly water-repellent preservation static conductive coating.
Graphene is a kind of novel two-dimension nano materials, has high intensity, high-specific surface area, high conductivity, Yi Jiyou
The features such as different chemical-resistant stability.Using these characteristics of graphene, be added in coating can play effectively prevent it is quiet
Electric, wear-resisting, waterproof, anti-corrosion and other effects.
Summary of the invention
The present invention provides a kind of graphene water-base epoxy electrostatic conductive anticorrosion paint and preparation method thereof, with aqueous epoxy resins
For film forming matter, using graphene as conductive filler, with trbasic zinc phosphate, aluminium triphosphate, ferrotitanium powder etc. for rust resisting pigment, in function additive
Cooperation under, be prepared into and have both antistatic, anti-corrosion function coating, to solve existing anti-corrosive and static conductive coating pollution environment, oil resistant
The poor, antiseptic property of property and the bad problem of electric conductivity, while the technical issues of solve easily settled coating, easy precipitation.
In order to achieve the above object, the invention adopts the following technical scheme: a kind of graphene water-base epoxy static conductive anti-corrosion
Coating, it is characterised in that: be made of two component of A, B；
According to the mass fraction, component A includes following component: distilled water 5~10%, propylene glycol monomethyl ether 5~10%, dipropyl two
Alcohol methyl ether 5~10%, aqueous dispersion 0.5~0.75%, defoaming agent 0.05~0.15%, aqueous thixotropic agent 0.5~0.75%,
Ferrotitanium powder 2.5~5%, titanium dioxide 2.5~5%, talcum powder 2.5~5%, mica powder 2.5~5%, trbasic zinc phosphate 2.5~5%, three
Poly aluminium phosphate 2.5~5%, blanc fixe 2.5~5%, silicone coupling agents 0.5~1.5%, anti-flash rusting agent 0.1~
0.2%, sagging inhibitor 1~2.5%, moistening flatting agent 0.1~0.2%, defoaming agent 0.5~1%, aqueous epoxy emulsion 45~
55%, thickener 0.1~0.2%；
According to the mass fraction, B component include following component: propylene glycol monomethyl ether 5~10%, graphene slurry 50~60%,
Aqueous epoxy curing agent 30~40%.
Further, the graphene slurry includes according to the mass fraction following component: dispersing agent 3~5%, wetting agent
0.3~0.4%, defoaming agent 0.3~0.4%, multifunction amine auxiliary agent 0.1~0.2%, deionized water 88~92%, Graphene powder 4
~6%.
Further, according to the mass fraction, component A: B component=5:1~3.
The present invention also provides a kind of methods for preparing the graphene water-base epoxy electrostatic conductive anticorrosion paint, and specific steps are such as
Under:
(1) component A is prepared:
Step 1: by distilled water, propylene glycol monomethyl ether, dipropylene glycol methyl ether, aqueous dispersion, defoaming agent and aqueous thixotropic agent
It is uniformly mixed；
Step 2: the mixture 800-1000r/min being prepared in step 1 is dispersed, it is gradually added in dispersion process
Talcum powder, mica powder, trbasic zinc phosphate, aluminium triphosphate, ferrotitanium powder, blanc fixe and titanium dioxide；
Step 3: the mixture after being dispersed with stirring in step 2 uniformly is ground to fineness less than 40 microns；
Step 4: siloxanes coupling is continuously added in the mixture after step 3 grinding, and anti-flash rusting agent, sagging inhibitor,
Slurry is made in moistening flatting agent and defoaming agent, 800-1000r/min dispersion；
Step 5: the slurry that step 4 is prepared is ground to fineness less than 40 microns, water-base epoxy cream is then added
Liquid stirs evenly；
Step 6: continuing to add thickener adjustment viscosity, stirs evenly, component A is obtained after filtering；
(2) B component is prepared:
By propylene glycol monomethyl ether, graphene slurry, 800-1000r/min disperses to obtain B group after aqueous epoxy curing agent mixing
Point.
Further, the graphene slurry the preparation method is as follows: by dispersing agent, wetting agent, defoaming agent, multifunction amine
Auxiliary agent is added in deionized water, is dispersed with stirring uniformly, is slowly added to Graphene powder, ultrasonic echography is prepared into stone after being uniformly dispersed
Black alkene slurry.
Further, it is prepared into graphene slurry within ultrasonic echography 50-70 minutes after being uniformly dispersed.
Further, in step 2, the mixture 800-1000r/min being prepared in step 1 is dispersed 8~12 points
Clock.
Further, in step 4, siloxanes coupling, anti-flash rusting are continuously added in the mixture after step 3 grinding
Agent, sagging inhibitor, moistening flatting agent and defoaming agent, 800-1000r/min disperse slurry to be made in 18~22 minutes.
The present invention also provides a kind of application methods of graphene water-base epoxy electrostatic conductive anticorrosion paint, by quality percentage
Than by component A: B component=5:1~3 are mixed evenly.
Graphene water-base epoxy electrostatic conductive anticorrosion paint of the invention compared with prior art, has an advantage that
1, the graphene water-base epoxy electrostatic conductive anticorrosion paint in the present invention is using water and water-soluble additive as diluent, nothing
Other poisonous and hazardous organic solvents are a kind of safe and environment-friendly electrostatic conductive anticorrosion paints.
2, nano material of the graphene as a kind of high conductivity, is dispersed in aqueous coating system in appropriate proportions
In, it is capable of forming efficient conductive network, significantly reduces the resistivity of coating.
3, the two-dimensional film structure of graphene can form barrier layer in the coating, and huge specific surface area can be with painting
Other antirust fillers and matrix resin in Material system form close combination, effectively prevent leaching of the corrosive medium to substrate
Erosion, plays good anti-corrosion effect, meanwhile, also contribute to consistency, toughness, hardness and the impact resistance of coating.
Specific embodiment
Embodiment 1
A kind of present invention: graphene water-base epoxy electrostatic conductive anticorrosion paint, A group in formula are described in detail below with reference to embodiment
Part constitutes as follows:
B component constitutes as follows: propylene glycol monomethyl ether 5%, and graphene starches 60% aqueous epoxy curing agent 35%.
The graphene slurry includes according to the mass fraction following component: dispersing agent 5%, wetting agent 0.4%, defoaming agent
0.4%, multifunction amine auxiliary agent 0.2%, deionized water 88%, Graphene powder 6%.
Component A: B component=5:1.65 mixture is pressed when construction.
The preparation process of graphene water-base epoxy electrostatic conductive anticorrosion paint is as follows:
(1) component A is prepared:
Step 1: by distilled water, propylene glycol monomethyl ether, dipropylene glycol methyl ether, aqueous dispersion, defoaming agent and aqueous thixotropic agent
It is uniformly mixed；
Step 2: by the mixture 800-1000r/min being prepared in step 1 disperse 10 minutes, in dispersion process by
Talcum powder, mica powder, trbasic zinc phosphate, aluminium triphosphate, ferrotitanium powder, blanc fixe and titanium dioxide is added in step；
Step 3: the mixture after being dispersed with stirring in step 2 uniformly is ground to fineness less than 40 microns；
Step 4: siloxanes coupling is continuously added in the mixture after step 3 grinding, and anti-flash rusting agent, sagging inhibitor,
Moistening flatting agent and defoaming agent, 800-1000r/min disperse slurry to be made in 20 minutes；
Step 5: the slurry that step 4 is prepared is ground to fineness less than 40 microns, water-base epoxy cream is then added
Liquid stirs evenly；
Step 6: continuing to add thickener adjustment viscosity, stirs evenly, component A is obtained after filtering；
(2) B component is prepared:
By propylene glycol monomethyl ether, graphene slurry, 800-1000r/min disperses to obtain B group after aqueous epoxy curing agent mixing
Point.The graphene slurry the preparation method is as follows: by dispersing agent, wetting agent, defoaming agent, multifunction amine auxiliary agent be added deionization
It in water, is dispersed with stirring uniformly, is slowly added to Graphene powder, be prepared within ultrasonic echography 60 minutes after being uniformly dispersed graphene slurry
Material.
Component A: B component=5:1.65 mixture is pressed when construction.
Through detecting, the conduction of graphene water-base epoxy electrostatic conductive anticorrosion paint of the invention, medium-resistance are as follows:
| Project | Index |
| Surface of the paint film resistance (Ω) | 2.7×107 |
| Water-fast (pure water) room temperature, 360d | Film is intact |
| Resistance to gasoline, room temperature, 360d | Film is intact |
| Resistance to diesel oil, room temperature, 360d | Film is intact |
| Resistance to 5%NaCl, 360d | Film is intact |
| Resistance to 10%H2SO4, 360d | Film is intact |
| Resistance to 10%NaOH, 360d | Film is intact |
| Salt fog resistance, 3000h | Film is intact |
Embodiment 2
The present invention: graphene water-base epoxy electrostatic conductive anticorrosion paint, component A structure in formula are described in detail below with reference to embodiment
At as follows:
B component constitutes as follows: propylene glycol monomethyl ether 10%, graphene slurry 60%, aqueous epoxy curing agent 30%.
The graphene slurry includes according to the mass fraction following component: dispersing agent 4%, wetting agent 0.4%, defoaming agent
0.4%, multifunction amine auxiliary agent 0.2%, deionized water 90%, Graphene powder 5%.
Component A: B component=5:1.35 mixture is pressed when construction.
The preparation process of graphene water-base epoxy electrostatic conductive anticorrosion paint is the same as embodiment 1.
Through detecting, the conduction of graphene water-base epoxy electrostatic conductive anticorrosion paint of the invention, medium-resistance are as follows:
| Project | Index |
| Surface of the paint film resistance (Ω) | 1.2×108 |
| Water-fast (pure water) room temperature, 360d | Film is intact |
| Resistance to gasoline, room temperature, 360d | Film is intact |
| The room temperature of resistance to diesel oil, 360d | Film is intact |
| Resistance to 5%NaCl, 360d | Film is intact |
| Resistance to 10%H2SO4, 360d | Film is intact |
| Resistance to 10%NaOH, 360d | Film is intact |
| Salt fog resistance, 2500h | Film is intact |
Embodiment 3
The present invention: graphene water-base epoxy electrostatic conductive anticorrosion paint, A parts of ingredients in formula are described in detail below with reference to embodiment
It constitutes as follows:
B component constitutes as follows: propylene glycol monomethyl ether 10%, graphene slurry 55%, aqueous epoxy curing agent 35%.The graphite
Alkene slurry, according to the mass fraction, include following component: dispersing agent 3%, wetting agent 0.4%, defoaming agent 0.4%, multifunction amine helps
Agent 0.2%, deionized water 92%, Graphene powder 4%.
Component A: B component=5:1.15 mixture is pressed when construction.
The preparation process of graphene water-base epoxy electrostatic conductive anticorrosion paint is the same as embodiment 1.
Through detecting, the conduction of graphene water-base epoxy electrostatic conductive anticorrosion paint of the invention, medium-resistance are as follows:
The above is several preferred embodiments of the invention, it is noted that for the ordinary skill of the art
Personnel can also make several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of graphene water-base epoxy electrostatic conductive anticorrosion paint, it is characterised in that: be made of two component of A, B；
According to the mass fraction, component A includes following component: distilled water 5~10%, propylene glycol monomethyl ether 5~10%, dipropylene glycol first
Ether 5~10%, aqueous dispersion 0.5~0.75%, defoaming agent 0.05~0.15%, aqueous thixotropic agent 0.5~0.75%, ferrotitanium
Powder 2.5~5%, titanium dioxide 2.5~5%, talcum powder 2.5~5%, mica powder 2.5~5%, trbasic zinc phosphate 2.5~5%, trimerization phosphorus
Sour aluminium 2.5~5%, blanc fixe 2.5~5%, silicone coupling agents 0.5~1.5%, anti-flash rusting agent 0.1~0.2% are prevented
Sedimentation agent 1~2.5%, moistening flatting agent 0.1~0.2%, defoaming agent 0.5~1%, aqueous epoxy emulsion 45~55%, thickening
Agent 0.1~0.2%；
According to the mass fraction, B component includes following component: propylene glycol monomethyl ether 5~10%, graphene slurry 50~60% are aqueous
Epoxy hardener 30~40%.
2. a kind of graphene water-base epoxy electrostatic conductive anticorrosion paint according to claim 1, it is characterised in that: the graphite
Alkene slurry, according to the mass fraction, include following component: dispersing agent 3~5%, wetting agent 0.3~0.4%, defoaming agent 0.3~
0.4%, multifunction amine auxiliary agent 0.1~0.2%, deionized water 88~92%, Graphene powder 4~6%.
3. a kind of graphene water-base epoxy electrostatic conductive anticorrosion paint according to claim 1, it is characterised in that: press mass parts
Number meter, component A: B component=5:1~3.
4. a kind of method for preparing the graphene water-base epoxy electrostatic conductive anticorrosion paint as described in claim 1-3 is any, feature
Be: specific step is as follows:
(1) component A is prepared:
Step 1: propylene glycol monomethyl ether, dipropylene glycol methyl ether, aqueous dispersion, defoaming agent and aqueous thixotropic agent mix by distilled water
Uniformly；
Step 2: the mixture 800-1000r/min being prepared in step 1 is dispersed, talcum is gradually added in dispersion process
Powder, mica powder, trbasic zinc phosphate, aluminium triphosphate, ferrotitanium powder, blanc fixe and titanium dioxide；
Step 3: the mixture after being dispersed with stirring in step 2 uniformly is ground to fineness less than 40 microns；
Step 4: continuously adding siloxanes coupling, anti-flash rusting agent, sagging inhibitor, wetting in the mixture after step 3 grinding
Slurry is made in levelling agent and defoaming agent, 800-1000r/min dispersion；
Step 5: the slurry that step 4 is prepared is ground to fineness less than 40 microns, aqueous epoxy emulsion is then added and stirs
It mixes uniformly；
Step 6: continuing to add thickener adjustment viscosity, stirs evenly, component A is obtained after filtering；
(2) B component is prepared:
By propylene glycol monomethyl ether, graphene slurry, 800-1000r/min disperses to obtain B component after aqueous epoxy curing agent mixing.
5. method according to claim 4, it is characterised in that: the graphene slurry the preparation method is as follows: will point
Powder, wetting agent, defoaming agent, multifunction amine auxiliary agent are added in deionized water, are dispersed with stirring uniformly, are slowly added to Graphene powder,
Ultrasonic echography is prepared into graphene slurry after being uniformly dispersed.
6. method according to claim 5, it is characterised in that: prepare within ultrasonic echography 50-70 minutes after being uniformly dispersed
At graphene slurry.
7. method according to claim 4, it is characterised in that: in step 2, the mixing that will be prepared in step 1
Object 800-1000r/min disperses 8~12 minutes.
8. method according to claim 4, it is characterised in that: in step 4, in the mixture after step 3 grinding
It continuously adds siloxanes to be coupled, anti-flash rusting agent, sagging inhibitor, moistening flatting agent and defoaming agent, 800-1000r/min dispersion 18~
Slurry is made within 22 minutes.
9. a kind of application method of the graphene water-base epoxy electrostatic conductive anticorrosion paint as described in claim 1-3 is any, feature
Be: by mass percentage by component A: B component=5:1~3 are mixed evenly.
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Cited By (9)
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| CN110643257A (en) * | 2019-09-24 | 2020-01-03 | 江苏金陵特种涂料有限公司 | Preparation method of graphene epoxy ceramic coating |
| CN110698902A (en) * | 2019-09-24 | 2020-01-17 | 江苏金陵特种涂料有限公司 | Preparation method of graphene water-based epoxy static conductive anticorrosive paint |
| CN110734683A (en) * | 2019-09-24 | 2020-01-31 | 江苏金陵特种涂料有限公司 | Preparation method of water-based inorganic high-temperature-resistant inorganic nano epoxy coating |
| CN110982372A (en) * | 2018-09-30 | 2020-04-10 | 常州大学 | Efficient anticorrosive flame-retardant epoxy graphene coating and preparation method thereof |
| CN111286258A (en) * | 2020-04-30 | 2020-06-16 | 佛山湘潭大学绿色智造研究院 | Water-based graphene conductive anticorrosive paint and preparation method thereof |
| CN112521834A (en) * | 2020-12-16 | 2021-03-19 | 青岛爱尔家佳新材料股份有限公司 | Water-based graphene static-conducting anticorrosive paint and preparation method thereof |
| CN112980267A (en) * | 2019-12-18 | 2021-06-18 | 南通绿能环保设备有限公司 | Water-based antirust antistatic paint for chassis of sweeper |
| CN113025162A (en) * | 2021-03-16 | 2021-06-25 | 青岛爱尔家佳新材料股份有限公司 | Zinc stearate graphene composite anticorrosive paint and preparation method thereof |
| CN114231120A (en) * | 2021-12-10 | 2022-03-25 | 长沙新材料产业研究院有限公司 | Graphene modified waterborne epoxy anticorrosive paint and preparation method thereof |
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Application publication date: 20190625 |