CN109021622A - A kind of zinc powder of graphene modified, preparation method and the anticorrosive paint comprising it - Google Patents
A kind of zinc powder of graphene modified, preparation method and the anticorrosive paint comprising it Download PDFInfo
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- CN109021622A CN109021622A CN201810828099.2A CN201810828099A CN109021622A CN 109021622 A CN109021622 A CN 109021622A CN 201810828099 A CN201810828099 A CN 201810828099A CN 109021622 A CN109021622 A CN 109021622A
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/62—Metallic pigments or fillers
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
- C09C3/041—Grinding
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
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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
- 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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- Chemical & Material Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Paints Or Removers (AREA)
Abstract
The present invention provides zinc powder, preparation method and the anticorrosive paint comprising it of a kind of graphene modified, and the preparation method of the zinc powder of the graphene modified is the following steps are included: in organic solvent by graphene dispersion, obtain graphene dispersing solution；Zinc powder is added into the graphene dispersing solution, stirs, obtains crude product；Crude product is ground, the zinc powder of graphene modified is obtained.The zinc powder for the graphene modified being prepared is used for anticorrosive paint, it can make anticorrosive paint that there is more excellent salt spray resistance, resistance to acid and alkali, resistance to salt water, water resistance and adhesive force, and stable system, safety and environmental protection, it is easy to industrialized production, it is with a wide range of applications.
Description
Technical field
The invention belongs to anticorrosive paint technology field, it is related to the zinc powder of graphene modified a kind of, preparation method and comprising it
Anticorrosive paint.
Background technique
Anticorrosive paint is essential a kind of coating in paint, is divided into conventional anticorrosive paint and anticorrosive paint,
It can apply in fields such as building, metal protections, have the effects that good adhesive force, ageing-resistant and anticorrosion.With me
State's economic development and the raising of living standards of the people are more focused on anticorrosive paint field safe and environment-friendly and performance
A kind of with high content of technology, biggish anticorrosive paint of technical difficulty in conjunction with, anticorrosive paint, and develop salt spray resistance, resistance to acid and alkali,
Resistance to salt water, water resistance and the anticorrosive paint with good adhesion are the research emphasis of this field.
CN105086754A discloses a kind of bi-component graphene anticorrosive paint, and the coating includes the first of energy film-forming
Component and second component containing curing agent；Wherein, component A includes following component by mass percentage: graphene 0.1-5wt%；
Zinc powder 0-35wt%；Filler 30-70wt%；The epoxy resin 10-20wt% that solid content is 54%；Solvent 10-20wt%；Its
In, the sum of mass percentage of graphene, zinc powder and filler is 60-80wt%, and the component A each component quality percentage contains
The sum of amount is 100wt%.However in the preparation process of anticorrosive paint, since graphene is easy to assemble, bad dispersibility, need to make
The anticorrosive paint for being dispersed with the dispersing agent of auxiliary, and being obtained salt spray resistance, resistance to acid and alkali, resistance to salt water, water resistance with
And adhesive force etc. performance needs to be further increased.
Summary of the invention
For problem of the prior art, the purpose of the present invention is to provide a kind of zinc powders of graphene modified, preparation method
And the anticorrosive paint comprising it.
To achieve this purpose, the present invention adopts the following technical scheme:
On the one hand, the present invention provides a kind of preparation method of the zinc powder of graphene modified, and the preparation method includes following
Step:
(1) in organic solvent by graphene dispersion, graphene dispersing solution is obtained；
(2) zinc powder is added into the graphene dispersing solution, stirs, obtains crude product；
(3) crude product is ground, obtains the zinc powder of graphene modified.
The present invention enables to graphene to wrap up zinc powder, so that graphene is sufficiently tied with zinc powder by the preparation method
It closes, obtains the zinc powder of graphene modified.
Preferably, step (1) organic solvent is the mixed solution of dimethylbenzene and n-butanol.
Preferably, the solvent be mass ratio be 3-6:1 (such as 3:1,3.3:1,3.5:1,3.8:1,4:1,4.3:1,
4.5:1,4.8:1,5:1,5.3:1,5.5:1,5.8:1 or 6:1) dimethylbenzene and n-butanol mixed solution, preferred dimethylbenzene
Mass ratio with n-butanol is 4:1.
Preferably, in step (1) described graphene dispersing solution graphene weight percent be 10-20%, such as 10%,
11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19% or 20%.
Preferably, the mass ratio of step (2) zinc powder and graphene dispersing solution be 2:1-4:1, such as 2:1,2.2:1,
2.4:1,2.6:1,2.8:1,3:1,3.3:1,3.5:1,3.8:1 or 4:1.
Preferably, temperature when step (2) described stirring is at 50 DEG C hereinafter, such as 50 DEG C, 48 DEG C, 45 DEG C, 43 DEG C, 40
DEG C, 38 DEG C, 35 DEG C, 33 DEG C, 30 DEG C, 28 DEG C, 25 DEG C, 20 DEG C etc..Temperature can gradually rise during zinc powder disperses, more than 50
DEG C can have an impact to dicyandiamide solution, so to control temperature at 50 DEG C or less.
Preferably, the speed of step (2) described stirring be 1000-2000 revs/min, such as 1000 revs/min, 1100 revs/min,
1200 revs/min, 1300 revs/min, 1400 revs/min, 1500 revs/min, 1600 revs/min, 1700 revs/min, 1800 revs/min, 1900 turns/
Point or 2000 revs/min.
Preferably, step (2) stirring time be 45-90min, such as 45min, 50min, 55min, 58min, 60min,
65min, 70min, 75min, 80min, 85min or 90min.
Preferably, step (3) it is described to be ground to be ground to granularity be 35-45 μm, such as 35 μm, 36 μm, 37 μm, 38 μm,
39 μm, 40 μm, 41 μm, 42 μm, 43 μm, 44 μm or 45 μm.
On the other hand, the present invention provides the zinc powders for the graphene modified being prepared by preparation method as described above.
The zinc powder of multi-layer graphene package modification, under the action of grinding external force, graphite are obtained by the preparation method
Alkene is more fully combined with zinc powder, reaches certain fineness, improves the dispersion degree of graphene.
On the other hand, the present invention provides a kind of anticorrosive paint, and the anticorrosive paint includes component A and B component, wherein
Component A includes the zinc powder of graphene modified as described above.
In the present invention, due to having used the zinc powder of graphene modified as described above in anticorrosive paint, can make
Obtaining anticorrosive paint has more excellent salt spray resistance, acid-base property, heat resistance and solvent resistance.
Preferably, the component A includes following components in percentage by weight:
In the present invention, the content of organic solvent described in component A be 10%, 11%, 12%, 13%, 14%, 15%,
16%, 17%, 18%, 19%, 20%, 21%, 22%, 23%, 24% or 25%.
In the present invention, the content of dispersing agent described in component A be 0.5%, 0.8%, 1%, 1.3%, 1.5%,
1.8%, 2%, 2.3%, 2.5%, 2.8% or 3%.
In the present invention, the content of titanium dioxide described in component A be 1%, 1.3%, 1.5%, 1.8%, 2%, 2.3%,
2.5%, 2.8%, 3%, 3.3%, 3.5%, 3.8%, 4%, 4.3%, 4.5%, 4.8% or 5%.
In the present invention, the content of talcum powder described in component A be 1%, 1.3%, 1.5%, 1.8%, 2%, 2.3%,
2.5%, 2.8%, 3%, 3.3%, 3.5%, 3.8%, 4%, 4.3%, 4.5%, 4.8% or 5%.
In the present invention, the content of feldspar powder described in component A be 1%, 1.3%, 1.5%, 1.8%, 2%, 2.3%,
2.5%, 2.8%, 3%, 3.3%, 3.5%, 3.8%, 4%, 4.3%, 4.5%, 4.8% or 5%.
In the present invention, the titanium dioxide, talcum powder and feldspar powder can increase the physical strength of coating, improve coating screen
The effect of covering reduces formulation cost.
In the present invention, the content of epoxy resin described in component A be 10%, 13%, 15%, 18%, 20%, 23%,
25%, 28% or 30%.
Preferably, the epoxy resin is epoxy resin E44 and/or epoxy resin E51.
In the present invention, the content of the zinc powder of graphene modified described in component A be 40%, 43%, 45%, 48%,
50%, 53%, 55%, 58%, 60%, 62%, 64%, 66%, 68% or 70%.
In the present invention, the content of polyamide wax described in component A be 1%, 1.3%, 1.5%, 1.8%, 2%,
2.3%, 2.5%, 2.8%, 3%, 3.3%, 3.5%, 3.8% or 4%.
In the present invention, the addition of the polyamide wax, can be in storing process anti-settling, work progress resist sagging.
In the present invention, bentonite content described in component A be 0.5%, 0.8%, 1%, 1.3%, 1.5%,
1.8%, 2%, 2.3%, 2.5%, 2.8% or 3%.Organobentonite can increase thixotropy in the present invention, and rising prevents zinc
Powder settlement action.
Preferably, B component includes following components in percentage by weight:
In the present invention, the content of polyamide described in B component can for 40%, 42%, 45%, 48%, 50%,
52%, 55%, 58%, 60%, 62%, 65%, 68% or 70%.
In the present invention, the content of organic solvent described in B component can for 20%, 23%, 25%, 28%, 30%,
32%, 34%, 36%, 38%, 40%, 43%, 45%, 48% or 50%.
Preferably, the organic solvent is the mixed solution of dimethylbenzene and n-butanol；
Preferably, the organic solvent be mass ratio be 3-6:1 (such as 3:1,3.3:1,3.5:1,3.8:1,4:1,4.3:
1,4.5:1,4.8:1,5:1,5.3:1,5.5:1,5.8:1 or 6:1) dimethylbenzene and n-butanol mixed solution, preferred diformazan
The mass ratio of benzene and n-butanol is 4:1.
In the present invention, the content of silane coupling agent described in B component can for 1%, 1.3%, 1.5%, 1.8%,
2%, 2.3%, 2.5%, 2.8%, 3%, 3.3%, 3.5%, 3.8%, 4%, 4.3%, 4.5%, 4.8% or 5%.
Preferably, the silane coupling agent is the silane coupling agent containing amino and oxygroup, preferably coupling agent Z-6011.
In the present invention, the content of curing accelerator DMP-30 described in B component can for 0.5%, 0.8%, 1%,
1.3%, 1.5%, 1.8%, 2%, 2.3%, 2.5%, 2.8%, 3%, 3.5%, 3.8%, 4%, 4.3%, 4.5%, 4.8%
Or 5%.
Preferably, in the anticorrosive paint mass ratio of component A and B component be 5:1-15:1, such as 5:1,5.5:1,
6:1,6.5:1,7:1,7.5:1,8:1,8.5:1,9:1,10:1,11:1,12:1,13:1,14:1 or 15:1, preferably 10:1.
Under the cooperation of each ingredient of anticorrosive paint of the present invention so that anticorrosive paint can have it is good comprehensive
Close performance, and safety and environmental protection.And the present invention has been greatly reduced the dosage of graphene, and less amount of graphene can be used
The promotion for obtaining anticorrosive paint better performances, greatly reduces cost.
Compared with the existing technology, the invention has the following advantages:
The present invention improves graphene in water by combining graphene sufficiently with zinc powder using graphene modified zinc powder
Property coating in dispersibility, when being applied to anticorrosive paint, can make anticorrosive paint have more excellent salt tolerant
Mist, resistance to acid and alkali, resistance to salt water and water resistance, and adhesive force with super strength, stable system, safety and environmental protection are easy to industry
Metaplasia produces, and is with a wide range of applications.
Specific embodiment
The technical scheme of the invention is further explained by means of specific implementation.Those skilled in the art should be bright
, the described embodiments are merely helpful in understanding the present invention, should not be regarded as a specific limitation of the invention.
Embodiment 1
In the present embodiment, it has been prepared via a method which the zinc powder of graphene modified, specifically includes the following steps:
(1) in the mixed solvent by the graphene dispersion after drying in dimethylbenzene and n-butanol, the dimethylbenzene and positive fourth
The mass ratio of alcohol is 4:1, obtains the graphene dispersing solution that the weight percent of graphene is 15%；
(2) zinc powder is added into the graphene dispersing solution, zinc powder and graphene dispersing solution mass ratio are 3:1, side cooling
Side stirring, temperature are maintained at 50 DEG C, and mixing speed is 1000 revs/min, stirs 60min, obtains crude product；
(3) crude product is ground, granularity reaches 35-45 μm, obtains the zinc powder of graphene modified.
Embodiment 2
In the present embodiment, it has been prepared via a method which the zinc powder of graphene modified, specifically includes the following steps:
(1) in the mixed solvent by the graphene dispersion after drying in dimethylbenzene and n-butanol, the dimethylbenzene and positive fourth
The mass ratio of alcohol is 4:1, obtains the graphene dispersing solution that the weight percent of graphene is 20%；
(2) zinc powder is added into the graphene dispersing solution, zinc powder and graphene dispersing solution mass ratio are 2:1, side cooling
Side stirring, temperature are maintained at 40 DEG C, and mixing speed is 2000 revs/min, stirs 45min, obtains crude product；
(3) crude product is ground, granularity reaches 35-45 μm, obtains the zinc powder of graphene modified.
Embodiment 3
In the present embodiment, it has been prepared via a method which the zinc powder of graphene modified, specifically includes the following steps:
(1) in the mixed solvent by the graphene dispersion after drying in dimethylbenzene and n-butanol, the dimethylbenzene and positive fourth
The mass ratio of alcohol is 3:1, obtains the graphene dispersing solution that the weight percent of graphene is 10%；
(2) zinc powder is added into the graphene dispersing solution, zinc powder and graphene dispersing solution mass ratio are 4:1, side cooling
Side stirring, temperature are maintained at 45 DEG C, and mixing speed is 1500 revs/min, stirs 90min, obtains crude product；
(3) crude product is ground, granularity reaches 35-45 μm, obtains the zinc powder of graphene modified.
Embodiment 4
In the present embodiment, it has been prepared via a method which the zinc powder of graphene modified, specifically includes the following steps:
(1) in the mixed solvent by the graphene dispersion after drying in dimethylbenzene and n-butanol, the dimethylbenzene and positive fourth
The mass ratio of alcohol is 4:1, obtains the graphene dispersing solution that the weight percent of graphene is 13%；
(2) zinc powder is added into the graphene dispersing solution, zinc powder and graphene dispersing solution mass ratio are 2:1, side cooling
Side stirring, temperature are maintained at 30 DEG C, and mixing speed is 2000 revs/min, stirs 65min, obtains crude product；
(3) crude product is ground, granularity reaches 35-45 μm, obtains the zinc powder of graphene modified.
Embodiment 5
In the present embodiment, it has been prepared via a method which the zinc powder of graphene modified, specifically includes the following steps:
(1) in the mixed solvent by the graphene dispersion after drying in dimethylbenzene and n-butanol, the dimethylbenzene and positive fourth
The mass ratio of alcohol is 6:1, obtains the graphene dispersing solution that the weight percent of graphene is 10%；
(2) zinc powder is added into the graphene dispersing solution, zinc powder and graphene dispersing solution mass ratio are 3:1, side cooling
Side stirring, temperature are maintained at 50 DEG C, and mixing speed is 1000 revs/min, stirs 45min, obtains crude product；
(3) crude product is ground, granularity reaches 35-45 μm, obtains the zinc powder of graphene modified.
Embodiment 6
Provide a kind of two-component anticorrosive paint in the present embodiment comprising component A and B component, wherein component A and
The mass ratio of B component is 10:1.
Component A includes following components in percentage by weight:
B component includes following components in percentage by weight:
Embodiment 7
Provide a kind of two-component anticorrosive paint in the present embodiment comprising component A and B component, wherein component A and
The mass ratio of B component is 10:1.
Component A includes following components in percentage by weight:
B component includes following components in percentage by weight:
Embodiment 8
Provide a kind of two-component anticorrosive paint in the present embodiment comprising component A and B component, wherein component A and
The mass ratio of B component is 10:1.
Component A includes following components in percentage by weight:
B component includes following components in percentage by weight:
Embodiment 9
Provide a kind of two-component anticorrosive paint in the present embodiment comprising component A and B component, wherein component A and
The mass ratio of B component is 10:1.
Component A includes following components in percentage by weight:
B component includes following components in percentage by weight:
Embodiment 10
Provide a kind of two-component anticorrosive paint in the present embodiment comprising component A and B component, wherein component A and
The mass ratio of B component is 10:1.
Component A includes following components in percentage by weight:
B component includes following components in percentage by weight:
Comparative example 1
The comparative example is different from embodiment 6 to be only that, the zinc powder of graphene modified in component A is replaced with individual stone
Black alkene and zinc powder (i.e. unmodified), the content of graphene are 1.9%, zinc content 50.1%.
Comparative example 2
The comparative example is different from embodiment 7 to be only that, the zinc powder of graphene modified in component A is replaced with individual stone
Black alkene and zinc powder, the content of graphene are 2.8%, zinc content 37.2%.
Comparative example 3
The comparative example is different from embodiment 8 to be only that, the zinc powder of graphene modified in component A is replaced with individual stone
Black alkene and zinc powder, the content of graphene are 1.4%, zinc content 53.6%.
Comparative example 4
The comparative example is different from embodiment 9 to be only that, the zinc powder of graphene modified in component A is replaced with individual stone
Black alkene and zinc powder, the content of graphene are 2.9%, zinc content 44.1%.
Comparative example 5
The comparative example is different from embodiment 10 to be only that, the zinc powder of graphene modified in component A is replaced with individually
Graphene and zinc powder, the content of graphene are 2.2%, zinc content 67.8%.
To the salt spray resistance of the anticorrosive paint of embodiment 6-10 and comparative example 1-5, resistance to acid and alkali, resistance to salt water, water-fast
Property and adhesion performance are measured,
Measurement result is as shown in table 1.
Table 1
| Salt spray resistance | Resistance to acid and alkali | Resistance to salt water | Water resistance | Adhesive force | |
| Embodiment 6 | 4000h | 2000h | 2500h | 3000h | 18MPa |
| Embodiment 7 | 3500h | 1500h | 2000h | 2500h | 16MPa |
| Embodiment 8 | 3000h | 1800h | 2200h | 2800h | 17MPa |
| Embodiment 9 | 3300h | 1600h | 2500h | 3000h | 15MPa |
| Embodiment 10 | 4500h | 2500h | 3000h | 3500h | 16MPa |
| Comparative example 1 | 600h | 200h | 400h | 500h | 7MPa |
| Comparative example 2 | 500h | 2200h | 400h | 600h | 7MPa |
| Comparative example 3 | 400h | 200h | 500h | 672h | 8MPa |
| Comparative example 4 | 500h | 400h | 400h | 600h | 6MPa |
| Comparative example 5 | 400h | 300h | 300h | 480h | 7MPa |
According to the result of table 1 as can be seen that anticorrosive paint can be improved using the zinc powder of graphene modified in the present invention
Salt spray resistance, resistance to acid and alkali, resistance to salt water, water resistance and stronger adhesive force, can be substantially reduced the dosage of zinc powder, and system is steady
It is fixed, safety and environmental protection.
Zinc powder, preparation method and the heavy antisepsis of the present invention is explained by the above embodiments graphene modified of the invention apply
Material, but the present invention is not limited to the above embodiments, that is, does not mean that the present invention must rely on above-described embodiment and could implement.Institute
Belong to those skilled in the art it will be clearly understood that any improvement in the present invention, to the equivalence replacement of each raw material of product of the present invention
And addition, selection of concrete mode of auxiliary element etc., all of which fall within the scope of protection and disclosure of the present invention.
Claims (10)
1. a kind of preparation method of the zinc powder of graphene modified, which is characterized in that the preparation method comprises the following steps:
(1) in organic solvent by graphene dispersion, graphene dispersing solution is obtained；
(2) zinc powder is added into the graphene dispersing solution, stirs, obtains crude product；
(3) crude product is ground, obtains the zinc powder of graphene modified.
2. preparation method according to claim 1, which is characterized in that step (1) organic solvent is for dimethylbenzene and just
The mixed solution of butanol；
Preferably, the organic solvent is the mixed solution of dimethylbenzene and n-butanol that mass ratio is 3-6:1, preferably dimethylbenzene with
The mass ratio of n-butanol is 4:1.
3. preparation method according to claim 1 or 2, which is characterized in that graphite in step (1) described graphene dispersing solution
The weight percent of alkene is 10-20%.
4. preparation method according to any one of claim 1-3, which is characterized in that step (2) zinc powder and graphite
The mass ratio of alkene dispersion liquid is 2:1-4:1；
Preferably, temperature when step (2) described stirring is at 50 DEG C or less；
Preferably, the speed of step (2) described stirring is 1000-2000 revs/min；
Preferably, the time of step (2) stirring is 45-90min.
5. preparation method described in any one of -4 according to claim 1, which is characterized in that step (3) is described to be ground to grind
It is 35-45 μm to granularity.
6. the zinc powder for the graphene modified that preparation method according to any one of claims 1-5 is prepared.
7. a kind of anticorrosive paint, which is characterized in that the anticorrosive paint includes component A and B component, and wherein component A includes
The zinc powder of graphene modified as described above.
8. two-component anticorrosive paint according to claim 7, which is characterized in that the component A includes following weight hundred
Divide the component of ratio:
Preferably, the organic solvent is the mixed solution of dimethylbenzene and n-butanol；
Preferably, the organic solvent is the mixed solution of dimethylbenzene and n-butanol that mass ratio is 3-6:1, preferably dimethylbenzene with
The mass ratio of n-butanol is 4:1.
9. two-component anticorrosive paint according to claim 7 or 8, which is characterized in that B component includes following weight percent
The component of ratio:
Preferably, the organic solvent is the mixed solution of dimethylbenzene and n-butanol；
Preferably, the organic solvent is the mixed solution of dimethylbenzene and n-butanol that mass ratio is 3-6:1, preferably dimethylbenzene with
The mass ratio of n-butanol is 4:1；
Preferably, the silane coupling agent is the silane coupling agent containing amino and oxygroup, preferably coupling agent Z-6011.
10. the two-component anticorrosive paint according to any one of claim 7-9, which is characterized in that the heavy antisepsis applies
The mass ratio of component A and B component is 5:1-15:1, preferably 10:1 in material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810828099.2A CN109021622A (en) | 2018-07-25 | 2018-07-25 | A kind of zinc powder of graphene modified, preparation method and the anticorrosive paint comprising it |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810828099.2A CN109021622A (en) | 2018-07-25 | 2018-07-25 | A kind of zinc powder of graphene modified, preparation method and the anticorrosive paint comprising it |
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| CN109021622A true CN109021622A (en) | 2018-12-18 |
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| CN201810828099.2A Pending CN109021622A (en) | 2018-07-25 | 2018-07-25 | A kind of zinc powder of graphene modified, preparation method and the anticorrosive paint comprising it |
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| CN110396350A (en) * | 2019-07-29 | 2019-11-01 | 广东好邦石墨烯新材料科技有限公司 | A kind of anticorrosive paint and its preparation method and application |
| CN111793373A (en) * | 2020-07-31 | 2020-10-20 | 株洲飞鹿高新材料技术股份有限公司 | Preparation method of modified graphene slurry, epoxy anticorrosive primer and preparation method thereof |
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