CN110218505A - One-component graphene anticorrosive paint and preparation method thereof - Google Patents
One-component graphene anticorrosive paint and preparation method thereof Download PDFInfo
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- CN110218505A CN110218505A CN201910565419.4A CN201910565419A CN110218505A CN 110218505 A CN110218505 A CN 110218505A CN 201910565419 A CN201910565419 A CN 201910565419A CN 110218505 A CN110218505 A CN 110218505A
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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
- C09D5/106—Anti-corrosive paints containing metal dust containing Zn
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C08K2003/0893—Zinc
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
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- Inorganic Chemistry (AREA)
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Abstract
The present invention provides a kind of one-component graphene anticorrosive paints, and recipe ingredient is by weight, comprising:Graphene dispersion is uniform in one-component graphene anticorrosive paint provided by the invention, and anticorrosive paint is made to have excellent salt spray resistance.
Description
Technical field
The present invention relates to the one pack system anticorrosive paints and its industrialized producing technology of composite graphite alkene, belong to paint field.
Background technique
Epoxy is a kind of anticorrosive paint containing spelter coating, general that liquid coating is made more.Its anticorrosion mechanism is mainly electrification
Learn protection and shielding.Its electrochemical protection mechanism are as follows: it sacrifices zinc powder and comes protecting group bottom, contain and contain a large amount of zinc powder in spelter coating,
The metal substrate surfaces such as zinc particles and steel are in close contact, and zinc current potential is more negative than iron, when the invasion by extraneous corrosive medium,
Zinc, which is easy to lose electronics, becomes anode, and iron rule is cathode.Zinc as anode loses electronics and is corroded, and the steel of cathode obtains
Protection is arrived.Therefore, the film of epoxy Zinc-containing anticorrosion paint requires to have certain electric conductivity, makes entire coating and steel substrate
Form good electrochemical circuit.Shielding mechanism are as follows: due to have certain electric conductivity containing spelter coating, cause its paint film opposite
It is more loose.It is conventional containing spelter coating before zinc generates zinc oxide, basic zinc carbonate etc. its shielding be it is excessively poor, routinely contain
Spelter coating is only depleted to a certain degree in zinc by ability when generating the hole to fill up coating such as zinc oxide, basic zinc carbonate
There is certain shield effectiveness.
Graphene is current the most conductive material in the world, resistivity only 10-6Ω cm is lower than copper or silver.Stone
The surface area of black alkene, theoretical value is up to 2630m2/g；The thickness of single-layer graphene only has 0.335 nanometer；There is good chemistry steady
It is qualitative.Graphene has the compactness of superelevation, and the smallest gas molecule helium of disjunctor product can not also penetrate between graphene molecules
Aperture.Graphene has obtained the concern of scientists in field of the two-component epoxy containing spelter coating.But one-component field also
It has not been reported.
So far, the patent of 1611559 A of Publication No. CN discloses the preparation side of single-component anticorrosive coating
Method.The anticorrosive paint is made of modified polystyrene resin, solvent, dispersing agent, film-forming resin, auxiliary agent, pigment, filler.Foundation
The standby coating of the patent system due to a large amount of plasticizer of addition and does not have the filler of any help to enter antiseptic property, according to
The standby anticorrosive paint paint antiseptic property of patent system can be thought and cicada accordingly.The patent disclosure of 109321076 A of Publication No. CN
A kind of aqueous one-component anticorrosive paint used for vehicle transmission shaft and the preparation method and application thereof.The coating is by acrylic acid modified alcohol
The composition such as acid, pigment, auxiliary agent, thixotropic agent, filler, cosolvent and water.Its antiseptic property of the coating standby according to the patent system reaches
Less than industry basic demand, the reason of 1611559 A of reason and CN, is almost the same, and the performance of resistance to neutral salt spray is even lower than
100h。
The content of background technology part is only the technology that inventor is known, does not represent the state of the art.
Summary of the invention
For the prior art there are one or more of problem, the present invention provides a kind of one-component graphene anti-corrosion painting
Material, recipe ingredient by weight,
As a preferred solution of the present invention, recipe ingredient by weight, by weight,
According to an aspect of the present invention, the epoxy resin uses bisphenol A type epoxy resin.
Preferably, the epoxide equivalent of the epoxy resin is 2500-6000g/eq.
According to an aspect of the present invention, the anti-settling agent is bentonite.
Preferably, the filler is micaceous iron oxide.
Preferably, the solvent is the mixture of dimethylbenzene, n-butanol and cyclohexanone, and mixed proportion is (2-6): 3:(1-
5)。
According to an aspect of the present invention, the graphene uses the microplate of the number of plies≤10, and preferably 3-5 layers of graphene is micro-
Piece；
According to an aspect of the present invention, the piece diameter D50 of the graphene be 15-25 μm between, preferably 20 μm≤D50≤
25μm；
According to an aspect of the present invention, the specific surface area of the graphene: 526m2/ g≤BET value < 877m2/g。
The present invention also provides the preparation methods of above-mentioned one-component graphene anticorrosive paint comprising:
S1. it stirs at low speed down, after mixing by dispersing agent and partial solvent, sequentially adds graphene and anti-settling agent,
It stirs evenly；
S2. under moderate-speed mixer, epoxy resin, zinc-base material and filler are sequentially added in the mixture that obtains to step S1, then
Carry out high speed dispersion；
S3. the viscosity and specific gravity of the mixed material that remaining solvent set-up procedure S2 is obtained is added；
S4. filtering and discharging, as finished product.
According to an aspect of the present invention, the mixing speed stirred at low speed be 200-300 turn/min, preferably 250 turns/
min；
According to an aspect of the present invention, the speed of the moderate-speed mixer is that 500-700 turns/min, preferably 600 turns/min；
According to an aspect of the present invention, the high speed dispersion uses high speed disperser, and mixing speed is 1100 turns/min
More than, preferably 1300-1400 turns/min.
According to an aspect of the present invention, the amount of the partial solvent in the step S1 is the 80-95% of solvent total amount, excellent
Select 85-88%.
According to an aspect of the present invention, in the step S2, the grain fineness that high speed dispersion prepares mixed material is 50 μ
M or less；It is preferred that 40-50 μm；
According to an aspect of the present invention, in the step S3, the viscosity for adjusting mixed material is 115-125Ku.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the process flow diagram of method in the present invention.
Specific embodiment
Hereinafter, certain exemplary embodiments are simply just described.As one skilled in the art will recognize that
Like that, without departing from the spirit or scope of the present invention, described embodiment can be modified by various different modes.
Therefore, attached drawing and description are considered essentially illustrative rather than restrictive.
Following disclosure provides many different embodiments or example is used to realize different structure of the invention.In order to
Simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
And it is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, the present invention provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
First embodiment of the invention provides a kind of one-component graphene anticorrosive paint, answers generally as anti-corrosion type coating
With.The coating includes: 0.43~0.76 part of graphene, and 10.34~16.62 parts of epoxy resin, 2.59~4.75 parts of anti-settling agent, zinc
33.24~51.72 parts of base-material, 0.43~0.95 part of dispersing agent, 17.24~28.49 parts of filler, 15.19~17.24 parts of solvent.
" part " in the present invention refers to parts by weight.
Each component substance is described in detail below.
Epoxy resin uses bisphenol A type epoxy resin.According to relative molecular mass size, epoxy resin is segmented into various
Model.General its softening point of the epoxy resin of low relative molecular mass is lower than 50 DEG C；The epoxy resin of intermediate relative molecular quality
Its softening point is between 50~95 DEG C；Referred to as high relative molecular mass epoxy resin of the softening point at 100 DEG C or more.This reality
It applies in example, the epoxy resin preferably uses epoxide equivalent for the epoxy resin of 2500-6000g/eq, such as: 2500g/eq,
2600g/eq、2700g/eq、2800g/eq、2900g/eq、3000g/eq、3100g/eq、3200g/eq、3300g/eq、
3400g/eq、3500g/eq、3600g/eq、3700g/eq、3800g/eq、3900g/eq、4000g/eq、4100g/eq、
4200g/eq、4300g/eq、4400g/eq、4500g/eq、4600g/eq、4700g/eq、4800g/eq、4900g/eq、
5000g/eq、5100g/eq、5200g/eq、5300g/eq、5400g/eq、5500g/eq、5600g/eq、5700g/eq、
5800g/eq, 5900g/eq, 6000g/eq, etc. epoxy resin model such as E-03, E-06 etc..Anti-settling agent is selected from bentonite, filler
Selected from micaceous iron oxide.The present embodiment does not limit bentonite type.Mixing of the solvent in dimethylbenzene, n-butanol and cyclohexanone
Object.Graphene uses the microplate of the number of plies≤10, such as: structure that single-layer graphene microplate, bilayer graphene are stacked, three
The structure etc. that layer graphene is stacked；It is preferred that 3-5 layers of graphene microchip；Such as: the knot that 3 layers of graphene is stacked
The structure that structure, 4 layers of graphene are stacked, the structure that 5 layers of graphene is stacked, 3-5 layers of graphene microchip are stacked on
Structure together is more advantageous to the antiseptic property for promoting coating, and can make coating the service life is longer.The piece diameter D50 of graphene
Between 15-25 μm, preferably 20≤D50≤25 μm, such as 20 μm, 21 μm, 22 μm, 23 μm, 24 μm, 25 μm, etc..Large stretch of diameter stone
Black alkene may be implemented that conductive network can be formed in the paint film of coating under very low foam dosage, and have excellent shielding,
To realize excellent antiseptic property.But the graphene of large stretch of diameter is poor in the middle dispersion of epoxy resin, is hardly formed uniformly
The system of dispersion, and system is unstable, graphene is easy to appear deposition and reunion, cannot put long.And large stretch of diameter graphene makes body
The viscosity of system increases, and is unfavorable for going on smoothly for stirring technique.By further investigation, the present inventor is by repeatedly examination
It is 526m that the specific surface area of graphene is worked as in discovery after testing2/ g≤BET value < 877m2It, not only can be with by the effect of dispersing agent when/g
Make graphene stable dispersion, the adhesive force of coating can also be increased.
Second embodiment of the present invention illustrates the optimum formula scheme of one-component graphene anticorrosive paint, it may be assumed that
Third embodiment of the invention provides the preparation method of above-mentioned one-component graphene anticorrosive paint, referring to attached drawing
1, include the following steps:
S1. it stirs at low speed down, after mixing by dispersing agent and partial solvent, sequentially adds graphene and anti-settling agent,
It stirs evenly；
S2. under moderate-speed mixer, epoxy resin, zinc-base material and filler are sequentially added in the mixture that obtains to step S1, then
Carry out high speed dispersion；
S3. the viscosity and specific gravity of the mixed material that remaining solvent set-up procedure S2 is obtained is added；
S4. filtering and discharging, as finished product.
The following detailed description of the concrete technology of each step.
In S1, the amount of the first solvent of part is the 80-95% of quantity of solvent in A group, such as: 80%, 82%, 84%,
86%, 88%, 90%, 92%, 94%, 95%.It is preferred that 87%.First by dispersing agent and the partial solvent (80- of solvent total amount
95%) it is uniformly mixed, adds graphene and anti-settling agent, graphene, dust-proofing agent are uniformly dispersed by dispersing agent, are broken by stirring
Interface balances the piece layer open for making graphene microchip, ultimately forms graphene microchip dispersed system.The stirring stirred at low speed
Speed is 200-300 turns/min, such as: 200 turns/min, 220 turns/min, 240 turns/min, 260 turns/min, 280 turns/min；It is excellent
Select 250 turns/min.
In S2, the speed of moderate-speed mixer is that 500-700 turns/min, such as: 500 turns/min, 520 turns/min, 540 turns/
Min, 560 turns/min, 580 turns/min, 600 turns/min, 620 turns/min, 640 turns/min, 660 turns/min, 680 turns/min, 700
Turn/min；It is preferred that 600 turns/min.In S2, high speed dispersion uses high speed disperser, and mixing speed is 1100 turns/min or more,
It is preferred that 1300-1400 turn/min, such as: 1300 turns/min, 1320 turns/min, 1340 turns/min, 1350 turns/min, 1360 turns/
Min, 1380 turns/min, 1390 turns/min, 1400 turns/min, etc..In step S2, the grain fineness of high speed dispersion mixed material
For 50 μm hereinafter, it is preferred that 40-50 μm.
In S3, with the viscosity most 115-125Ku of the obtained mixed material of the remaining partial adjustment step S2 of solvent, example
Such as: 115Ku, 116Ku, 117Ku, 118Ku, 119Ku, 120Ku, 121Ku, 122Ku, 123Ku, 124Ku, 125Ku, etc..
The present invention improves on the basis of existing one-component anticorrosive paint technology, by many factors to score
Analysis successfully solves prior art graphene point eventually by the selection of the piece diameter and BET and dispersing agent of control graphene
Dissipate the problem of stability difference.Due to the standard that one-component graphene anticorrosive paint not can refer to, patent system is standby according to the present invention
Coating according to GB/T 1771-2007 " measurement of the resistance to neutral salt spray performance of paint and varnish ", the resistance to neutral salt spray time can be with
Reach 1000h or more, has been more than the standard requirements (600h) of existing two-component epoxy zinc rich primer.
Specific embodiments of the present invention exemplified below, in the component and technological parameter in following embodiment:
1, graphene selection uses the microplate of the number of plies≤10, the piece diameter of graphene: piece diameter D50 is to compare table between 15-25 μm
Area: 526m2/ g≤BET value < 877m2/g。
2, epoxy resin uses bisphenol A type epoxy resin, epoxide equivalent 2500-6000g/eq.
3, other components and specific process parameter do not do specific limit referring to above-mentioned explanation on the basis of the above description
It is fixed.
Embodiment 1:
The preparation of one-component graphene anticorrosive paint:
1) 150.0 kilograms of solvents are sequentially added in the case where stirring at low speed, 4.3 kilograms of dispersing agents stir evenly；
2) holding stirs at low speed down and sequentially adds 4.3 kilograms of graphenes, 25.9 kilograms of anti-settling agents stir evenly；
3) under moderate-speed mixer successively 103.4 kg ethylene resins, 517.2 kilograms of zinc powders and 172.4 kilograms of fillers are added,
High speed dispersion is to fineness at 50 μm or less；
4) it using remaining 22.4 kilograms of solvents adjustment viscosity and specific gravity, filters and packages, both obtains one-component graphene anti-corrosion
Coating.
Embodiment 2:
The preparation of one-component graphene anticorrosive paint:
1) 132.2 kilograms of solvents are sequentially added in the case where stirring at low speed, 9.5 kilograms of dispersing agents stir evenly；
2) it keeps stirring at low speed, sequentially adds 7.6 kilograms of graphenes, 47.5 kilograms of anti-settling agents stir evenly；
3) 166.2 kg ethylene resins are sequentially added under moderate-speed mixer, 322.4 kilograms of zinc-base material and 284.9 kilograms are filled out
Material, high speed dispersion to fineness is at 50 μm or less；
4) it using remaining 19.7 kilograms of solvents adjustment viscosity and specific gravity, filters and packages, both obtains one-component graphene anti-corrosion
Coating.
Embodiment 3:
One-component graphene anticorrosive paint:
1) 141.1 kilograms of solvents are sequentially added in the case where stirring at low speed, 6.9 kilograms of dispersing agents stir evenly；
2) it keeps stirring at low speed, sequentially adds 6 kilograms of graphenes, 36.7 kilograms of anti-settling agents stir evenly；
3) 134.8 kg ethylene resins are sequentially added under moderate-speed mixer, 424.8 kilograms of zinc-base material and 228.7 kilograms are filled out
Material, high speed dispersion to fineness is at 50 μm or less；
4) viscosity is adjusted using remaining 21.1 kilograms of solvents, filtered and packaged, both obtain one-component graphene anticorrosive paint.
Embodiment 4:
One-component graphene anticorrosive paint:
1) 121.52 kilograms of solvents are sequentially added in the case where stirring at low speed, 4.3 kilograms of dispersing agents stir evenly；
2) it keeps stirring at low speed, sequentially adds 4.3 kilograms of graphenes, 25.9 kilograms of anti-settling agents stir evenly；
3) 103.4 kg ethylene resins are sequentially added under moderate-speed mixer, 332.4 kilograms of zinc-base material and 172.4 kilograms are filled out
Material, high speed dispersion to fineness is at 50 μm or less；
4) viscosity is adjusted using remaining 30.38 kilograms of solvents, filtered and packaged, both obtain one-component graphene anticorrosive paint.
Embodiment 5:
One-component graphene anticorrosive paint:
1) 131.75 kilograms of solvents are sequentially added in the case where stirring at low speed, 5 kilograms of dispersing agents stir evenly；
2) it keeps stirring at low speed, sequentially adds 5 kilograms of graphenes, 30 kilograms of anti-settling agents stir evenly；
3) 120 kg epoxy resin, 350 kilograms of zinc-base material and 200 kilograms of fillers are sequentially added under moderate-speed mixer, high speed
Fineness is dispersed at 50 μm or less；
4) viscosity is adjusted using remaining 23.25 kilograms of solvents, filtered and packaged, both obtain one-component graphene anticorrosive paint.
Embodiment 6:
One-component graphene anticorrosive paint:
1) 149.6 kilograms of solvents are sequentially added in the case where stirring at low speed, 8 kilograms of dispersing agents stir evenly；
2) it keeps stirring at low speed, sequentially adds 7 kilograms of graphenes, 40 kilograms of anti-settling agents stir evenly；
3) 140 kg ethylene resins, 500 kilograms of zinc-base material and 260 kilograms of fillers are sequentially added under moderate-speed mixer, high speed
Fineness is dispersed at 50 μm or less；
4) viscosity is adjusted using remaining 20.4 kilograms of solvents, filtered and packaged, both obtain one-component graphene anticorrosive paint.
Embodiment 7:
One-component graphene anticorrosive paint:
1) 163.78 kilograms of solvents are sequentially added in the case where stirring at low speed, 9.5 kilograms of dispersing agents stir evenly；
2) it keeps stirring at low speed, sequentially adds 7.6 kilograms of graphenes, 47.5 kilograms of anti-settling agents stir evenly；
3) 166.2 kg ethylene resins are sequentially added under moderate-speed mixer, 517.2 kilograms of zinc-base material and 284.9 kilograms are filled out
Material, high speed dispersion to fineness is at 50 μm or less；
4) viscosity is adjusted using remaining 8.62 kilograms of solvents, filtered and packaged, both obtain one-component graphene anticorrosive paint.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (9)
1. a kind of one-component graphene anticorrosive paint, which is characterized in that its recipe ingredient is by weight, comprising:
2. one-component graphene anticorrosive paint according to claim 1, which is characterized in that its recipe ingredient is by weight
Meter, by weight, comprising:
3. one-component graphene anticorrosive paint according to claim 1 or 2, which is characterized in that the epoxy resin uses
Bisphenol A type epoxy resin；
Preferably, the epoxide equivalent of the epoxy resin is 2500-6000g/eq.
4. one-component graphene anticorrosive paint according to claim 1 or 2, which is characterized in that the anti-settling agent is swelling
Soil；
Preferably, the filler is micaceous iron oxide；
Preferably, the solvent is the mixture of dimethylbenzene, n-butanol and cyclohexanone；
It is further preferred that the mixed proportion of the dimethylbenzene, n-butanol and cyclohexanone is (2-6): 3:(1-5).
5. one-component graphene anticorrosive paint according to claim 1 or 2, which is characterized in that the graphene uses layer
The microplate of number≤10, preferably 3-5 layers of graphene microchip；
Preferably, the piece diameter D50 of the graphene is preferably 20 μm≤D50≤25 μm between 15-25 μm；
Preferably, the specific surface area of the graphene: 526m2/ g≤BET value < 877m2/g。
6. a kind of preparation method of one-component graphene anticorrosive paint according to claim 1-5, feature exist
In including the following steps:
S1. it stirs at low speed down, after mixing by dispersing agent and partial solvent, sequentially adds graphene and anti-settling agent, stir
Uniformly；
S2. under moderate-speed mixer, epoxy resin, zinc-base material and filler are sequentially added in the mixture that obtains to step S1, then carry out
High speed dispersion；
S3. the viscosity and specific gravity of the mixed material that remaining solvent set-up procedure S2 is obtained is added；
S4. filtering and discharging, as finished product.
7. the preparation method of one-component graphene anticorrosive paint according to claim 6, which is characterized in that the low speed stirs
The mixing speed mixed is that 200-300 turns/min, preferably 250 turns/min；
And/or the speed of the moderate-speed mixer is that 500-700 turns/min, preferably 600 turns/min；
And/or the high speed dispersion uses high speed disperser, mixing speed is 1100 turns/min or more, preferably 1300-1400
Turn/min.
8. the preparation method of one-component graphene anticorrosive paint according to claim 6, which is characterized in that the step S1
In partial solvent amount be solvent total amount 80-95%, preferably 85-88%.
9. the preparation method of one-component graphene anticorrosive paint according to claim 6, which is characterized in that the step S2
In, it is 50 μm hereinafter, it is preferred that 40-50 μm that high speed dispersion, which prepares the grain fineness of mixed material,；
Preferably, in the step S3, the viscosity for adjusting mixed material is 115-125Ku.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112694813A (en) * | 2020-12-28 | 2021-04-23 | 北京三棵树新材料科技有限公司 | Single-component graphene zinc powder coating and preparation method thereof |
| EP4117830A4 (en) * | 2020-03-10 | 2024-03-27 | Tesla Nanocoatings, Inc. | Fast coating compositions and methods |
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Application publication date: 20190910 |