CN109486342A - A kind of anticorrosive paint of D structure graphene reinforced epoxy - Google Patents
A kind of anticorrosive paint of D structure graphene reinforced epoxy Download PDFInfo
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- CN109486342A CN109486342A CN201811032903.2A CN201811032903A CN109486342A CN 109486342 A CN109486342 A CN 109486342A CN 201811032903 A CN201811032903 A CN 201811032903A CN 109486342 A CN109486342 A CN 109486342A
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- anticorrosive paint
- graphene
- reinforced epoxy
- epoxy resin
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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
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of preparation methods of the anticorrosive paint of D structure graphene reinforced epoxy, operating procedure is as follows: (1) weighing each ingredient by mass percentage, then epoxy resin, Thinner Ⅰ and graphene powder are subjected to mixing dispersion, graphene epoxy resin liquid is made；(2) filler, auxiliary agent and Thinner Ⅰ is added, obtains graphene epoxy resin mill base；(3) micaceous iron oxide mixing is added, graphene reinforced epoxy anticorrosive paint component A is made；(4) curing agent and diluent II are mixed into dispersion, graphene reinforced epoxy anticorrosive paint B component is made；(5) anticorrosive paint of D structure graphene reinforced epoxy is made in graphene reinforced epoxy anticorrosive paint component A and B component after mixing.Anticorrosive paint simple process of the present invention, may be implemented the large-scale production of graphene-based coating；The coating of the prepared graphene containing D structure not only has good physical mechanical property, and salt spray resistance significant effect.
Description
Technical field
The present invention relates to a kind of anticorrosive paint, in particular to the anti-corrosion of a kind of D structure graphene reinforced epoxy applies
Material.
Background technique
Anticorrosive paint is the medium for obstructing ambient enviroment and metallic matrix contact, can effectively avoid the corrosion of metallic matrix.
In recent years, as the dynamics of exploitation marine resources is constantly reinforced, anticorrosive paint has become the important research and development side of paint field
To.
Three layers of heavy-d uty system, i.e. priming paint, intermediate coat and face are generallyd use in the corrosive environment of the harshness such as ocean, industry
The characteristic of paint, each layer of paint film is different, and the effect in system is just had any different, and intermediate coat connects priming paint and finishing coat, in system
In play a part of barrier and increase coating integral thickness, can effectively extend the service life of coating system.
Existing anticorrosive paint type is more than 1000 kinds, and current common anticorrosive paint has epoxy coating, phenolic aldehyde
Epoxy coating, anti-corrosion polyurethane coating etc..It is base-material that common anticorrosive paint, which generallys use resin, adds the filler of lamellar structure
It is filled as main barrier material, then with other fillers, thickens coating.Such as micaceous iron oxide anchor coat, epoxy glass
Glass scale intermediate coat, epoxy thickness slurry paint etc..
In existing anticorrosive paint, the lamellar structure filler to take blocking effect is mainly micaceous iron oxide and glass squama
The particle of piece, these fillers is all bigger, and film forming matter is resin, therefore in resin film forming procedure, the bigger meeting of filler particles
Cause defect to generate, cause micropore, corrosive media can gradually be permeated by micropore in use process, corrosion metallic matrix.
Graphene is a kind of novel carbon material, has good electric conductivity, wearability, high-specific surface area and small size effect
It answers, these excellent performances cause extensive concern.Studies have shown that graphene is added in coating, coating can be improved
Internal flaw improves the mechanical property of coating, while can also improve the performances such as adhesive force, anticorrosion.Such as patent
201711056937.0 are prepared for a kind of graphene anticorrosive paint, single layer film using epoxy resin, graphene, fluorophosphate etc.
The 1500h of resistance to neutral salt spray or more；It is anti-that patent 201711341605.7 using epoxy resin, graphene etc. is prepared for a kind of graphene
The graphene of rotten coating, the coating 1400h of resistance to neutral salt spray~1600h, but usually two-dimensional structure is more difficult to be dispersed and is easy to reunite
And its due performance is lost, therefore generally require more additive amount and just have anti-corrosion effect, while the difference of graphene type
Tremendous influence can be brought to the performance of anticorrosive paint.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
That there are weatherabilities is poor, barrier property is low and uses the longevity for above-mentioned anti-corrosive paint of epoxy resin in the prior art by the present invention
The defects of short is ordered, a kind of anticorrosive paint of D structure graphene reinforced epoxy is invented, it is intended to which obtaining one kind can be reduced
Coat inside defect improves the performances such as coating mechanical property, adhesive force and anti-corrosion, extends coating to the anti-of the guard time of body
Rotten coating.
To achieve the above object, technical solution provided by the invention is as follows:
A kind of anticorrosive paint of D structure graphene reinforced epoxy, according to mass percent by following component group
At:
Preferably, the graphene powder is D structure graphene；The specific surface area of the graphene powder >=
300m2/g。
Preferably, the epoxy resin is E20.
Preferably, the micaceous iron oxide is 400 mesh.
Preferably, the filler is one or more of talcum powder, titanium dioxide, calcium carbonate, mica powder or carbon black.
Preferably, the auxiliary agent is made of coupling agent, anti-settling agent and defoaming agent, proportions are coupling agent: anti-settling
Agent: defoaming agent=1:1~3:1~3.
Preferably, the coupling agent is KH-550 (gamma-aminopropyl-triethoxy-silane) or KH-792 (N- (β-ammonia
Ethyl)-γ-aminopropyltrimethoxysilane) silane coupling agent.
Preferably, the anti-settling agent is bentonite；The defoaming agent is dimethicone；The curing agent is
Polyamide 6 50.
Preferably, the Thinner Ⅰ and diluent II are the mixture of dimethylbenzene, n-butanol and cyclohexanone, respectively
Mass ratio is dimethylbenzene: n-butanol: cyclohexanone=1:0.3~0.6:0.3~0.6.
A kind of preparation method of the anticorrosive paint of D structure graphene reinforced epoxy as described above, operating procedure is such as
Under:
(1) weigh each ingredient by mass percentage, then by epoxy resin, weigh gained Thinner Ⅰ gross mass 50%
Thinner Ⅰ and graphene powder carry out mixing dispersion, and graphene epoxy resin liquid is made；
(2) by filler, auxiliary agent and weigh gained Thinner Ⅰ remaining 50% Thinner Ⅰ be added to step (1) preparation
In graphene epoxy resin liquid, continuess to mix and graphene epoxy resin mill base is made；
(3) micaceous iron oxide is added into the graphene epoxy resin mill base that step (2) is prepared to be mixed,
Graphene reinforced epoxy anticorrosive paint component A is made；
(4) curing agent and diluent II are mixed into dispersion, graphene reinforced epoxy anticorrosive paint B component is made；
(5) B component is made in graphene reinforced epoxy anticorrosive paint component A made from step (3) and step (4) to press
The anticorrosive paint of D structure graphene reinforced epoxy is made in mass ratio 3:1 after being mixed evenly.
Compared with prior art, the invention has the following beneficial effects:
The present invention is had using a kind of D structure graphene powder prepared by catalystic pyrolysis with graphene sheet layer
For the similar cellular structure that unit is constituted, it is easily dispersed in coating and not easy to reunite, while there is the excellent of graphene
Performance.Graphene powder is constructed by using solid and prepares graphene reinforced epoxy anticorrosive paint, graphene is filled into painting
In the micropore of layer, it is possible to reduce coat inside defect enhances coating physics obstructing capacity, improves the mechanical property of coating, adheres to
The performances such as power and anti-corrosion extend coating and have achieved the purpose that long-effective corrosion to the guard time of matrix, and overcome existing epoxy
The defects of resin anti-corrosive paint weatherability is poor, barrier property is low and service life is short；Further, anticorrosive paint technique letter of the present invention
It is single, the large-scale production of graphene-based coating may be implemented；The coating of the prepared graphene containing D structure not only has good
Good physical mechanical property, and salt spray resistance significant effect.
Detailed description of the invention
Fig. 1 is the shape appearance figure for the raw graphite alkene that the present invention uses.
Specific embodiment
Specific embodiment is described in detail with reference to the accompanying drawing, it is to be understood that protection scope of the present invention not by
The limitation of specific embodiment.Graphene powder used in the examples is D structure graphene, the ratio table of graphene powder
Area >=300m2/g。
Embodiment 1
According to quality than dimethylbenzene: n-butanol: cyclohexanone=1:0.5:0.5 weighs dimethylbenzene, n-butanol and cyclohexanone,
Then it is mixed evenly, obtains Thinner Ⅰ, it is spare；According to quality than dimethylbenzene: n-butanol: cyclohexanone=1:0.5:0.5,
Dimethylbenzene, n-butanol and cyclohexanone are weighed, is then mixed evenly, diluent II is obtained, it is spare.
A kind of preparation method of the anticorrosive paint of D structure graphene reinforced epoxy, operating procedure are as follows:
(1) weigh each ingredient by mass percent in above table, then by E20 epoxy resin, weigh gained Thinner Ⅰ
The Thinner Ⅰ and graphene powder of gross mass 50% carry out mixing and ball milling dispersion, and graphene epoxy resin liquid is made；
(2) by filler (titanium dioxide, talcum powder, calcium carbonate and carbon black), auxiliary agent (coupling agent KH-550, anti-settling agent bentonite
With defoaming agent dimethicone) and step (1) weigh gained Thinner Ⅰ remaining 50% Thinner Ⅰ be added to step (1) system
In standby graphene epoxy resin liquid, continuess to mix and graphene epoxy resin mill base is made；
(3) will in the graphene epoxy resin mill base that be prepared to step (2) be added micaceous iron oxide carry out mixing stir
It mixes, graphene reinforced epoxy anticorrosive paint component A is made；
(4) curing agent polyamide 6 50 and diluent II are mixed into dispersion, graphene reinforced epoxy anticorrosive paint is made
B component；
(5) B component is made in graphene reinforced epoxy anticorrosive paint component A made from step (3) and step (4) to press
The anticorrosive paint of D structure graphene reinforced epoxy is made in mass ratio 3:1 after being mixed evenly.
Embodiment 2
According to quality than dimethylbenzene: n-butanol: cyclohexanone=1:0.3:0.3 weighs dimethylbenzene, n-butanol and cyclohexanone,
Then it is mixed evenly, obtains Thinner Ⅰ, it is spare；According to quality than dimethylbenzene: n-butanol: cyclohexanone=1:0.3:0.3,
Dimethylbenzene, n-butanol and cyclohexanone are weighed, is then mixed evenly, diluent II is obtained, it is spare.
A kind of preparation method of the anticorrosive paint of D structure graphene reinforced epoxy, operating procedure are as follows:
(1) weigh each ingredient by mass percent in above table, then by E20 epoxy resin, weigh gained Thinner Ⅰ
The Thinner Ⅰ and graphene powder of gross mass 50% carry out mixing and dispersion are sanded, and graphene epoxy resin liquid is made；
(2) by filler (titanium dioxide, talcum powder, calcium carbonate and carbon black), auxiliary agent (coupling agent KH-550, anti-settling agent bentonite
With defoaming agent dimethicone) and step (1) weigh gained Thinner Ⅰ remaining 50% Thinner Ⅰ be added to step (1) system
In standby graphene epoxy resin liquid, continuess to mix and graphene epoxy resin mill base is made；
(3) will in the graphene epoxy resin mill base that be prepared to step (2) be added micaceous iron oxide carry out mixing stir
It mixes, graphene reinforced epoxy anticorrosive paint component A obtained；
(4) curing agent polyamide 6 50 and diluent II are mixed into dispersion, graphene reinforced epoxy anticorrosive paint is made
B component；
(5) B component is made in graphene reinforced epoxy anticorrosive paint component A made from step (3) and step (4) to press
The anticorrosive paint of D structure graphene reinforced epoxy is made in mass ratio 3:1 after being mixed evenly.
Embodiment 3
According to quality than dimethylbenzene: n-butanol: cyclohexanone=1:0.6:0.6 weighs dimethylbenzene, n-butanol and cyclohexanone,
Then it is mixed evenly, obtains Thinner Ⅰ, it is spare；According to quality than dimethylbenzene: n-butanol: cyclohexanone=1:0.6:0.6,
Dimethylbenzene, n-butanol and cyclohexanone are weighed, is then mixed evenly, diluent II is obtained, it is spare.
A kind of preparation method of the anticorrosive paint of D structure graphene reinforced epoxy, operating procedure are as follows:
(1) weigh each ingredient by mass percent in above table, then by E20 epoxy resin, weigh gained Thinner Ⅰ
The Thinner Ⅰ and graphene powder of gross mass 50% carry out mixing and ball milling dispersion, and graphene epoxy resin liquid is made；
(2) by filler (titanium dioxide, talcum powder, calcium carbonate and carbon black), auxiliary agent (coupling agent KH-792, anti-settling agent bentonite
With defoaming agent dimethicone) and step (1) weigh gained Thinner Ⅰ remaining 50% Thinner Ⅰ be added to step (1) system
In standby graphene epoxy resin liquid, continuess to mix and graphene epoxy resin mill base is made；
(3) will in the graphene epoxy resin mill base that be prepared to step (2) be added micaceous iron oxide carry out mixing stir
It mixes, graphene reinforced epoxy anticorrosive paint component A is made；
(4) curing agent polyamide 6 50 and diluent II are mixed into dispersion, graphene reinforced epoxy anticorrosive paint is made
B component；
(5) B component is made in graphene reinforced epoxy anticorrosive paint component A made from step (3) and step (4) to press
The anticorrosive paint of D structure graphene reinforced epoxy is made in mass ratio 3:1 after being mixed evenly.
Examples 1 to 3 is prepared to the anticorrosive paint of gained D structure graphene reinforced epoxy, carries out neutral salt spray
Test, pencil hardness, Crosshatch adhesion and drop impact detection, obtain data as shown in table 1:
Table 1
The D structure graphene reinforced epoxy anticorrosive paint resistance to neutral salt spray time, more general epoxy resin anti-corrosion applied
1500h of material or so substantially extends to 4000h or so, while hardness, adhesive force, impact resistance comply with the national standard requirements.
The present invention carries out that anticorrosive paint is prepared using D structure graphene, because the present invention limits the graphene used
Powder is more difficult to be mixed with to obtain the anticorrosive paint for having respective performances with epoxy resin etc., and inventor uses in the course of the research
Progress dispersion mixing is sanded in ball milling, can effectively promote the present invention and limit the mixed of the graphene powder and epoxy resin etc. used
It closes, so that the anticorrosive paint of superior function be prepared.Further, the present invention limits the Graphene powder physical efficiency used and subtracts significantly
The dosage of few graphene, can but obtain the anticorrosive paint of more preferable performance, reduce production cost.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering
With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (10)
1. a kind of anticorrosive paint of D structure graphene reinforced epoxy, which is characterized in that according to mass percent by with
It is lower at being grouped as:
2. anticorrosive paint according to claim 1, it is characterised in that: the graphene powder is D structure graphite
Alkene；Specific surface area >=300m of the graphene powder2/g。
3. anticorrosive paint according to claim 1, it is characterised in that: the epoxy resin is E20.
4. anticorrosive paint according to claim 1, it is characterised in that: the micaceous iron oxide is 400 mesh.
5. anticorrosive paint according to claim 1, it is characterised in that: the filler is talcum powder, titanium dioxide, carbonic acid
One or more of calcium, mica powder or carbon black.
6. anticorrosive paint according to claim 1, it is characterised in that: the auxiliary agent is by coupling agent, anti-settling agent and disappears
Infusion composition, proportions are coupling agent: anti-settling agent: defoaming agent=1:1~3:1~3.
7. anticorrosive paint according to claim 6, it is characterised in that: the coupling agent is KH-550 or KH-792 silicon
Alkane coupling agent.
8. anticorrosive paint according to claim 6, it is characterised in that: the anti-settling agent is bentonite；Described disappears
Infusion is dimethicone；The curing agent is polyamide 6 50.
9. anticorrosive paint according to claim 1, it is characterised in that: the Thinner Ⅰ and diluent II is diformazan
The mixture of benzene, n-butanol and cyclohexanone, respective mass ratio are dimethylbenzene: n-butanol: cyclohexanone=1:0.3~0.6:0.3~
0.6。
10. a kind of preparation method of the anticorrosive paint of D structure graphene reinforced epoxy as described in claim 1, special
Sign is that operating procedure is as follows:
(1) weigh each ingredient by mass percentage, then by epoxy resin, weigh the dilution of gained Thinner Ⅰ gross mass 50%
Agent I and graphene powder carry out mixing dispersion, and graphene epoxy resin liquid is made；
(2) by filler, auxiliary agent and weigh gained Thinner Ⅰ remaining 50% Thinner Ⅰ be added to step (1) preparation graphite
In alkene epoxy resin liquid, continuess to mix and graphene epoxy resin mill base is made；
(3) micaceous iron oxide is added into the graphene epoxy resin mill base that step (2) is prepared to be mixed, is made
Graphene reinforced epoxy anticorrosive paint component A；
(4) curing agent and diluent II are mixed into dispersion, graphene reinforced epoxy anticorrosive paint B component is made；
(5) B component is made in graphene reinforced epoxy anticorrosive paint component A made from step (3) and step (4) and presses quality
The anticorrosive paint of D structure graphene reinforced epoxy is made after being mixed evenly than 3:1.
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| CN201811032903.2A CN109486342A (en) | 2018-09-05 | 2018-09-05 | A kind of anticorrosive paint of D structure graphene reinforced epoxy |
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| CN201811032903.2A CN109486342A (en) | 2018-09-05 | 2018-09-05 | A kind of anticorrosive paint of D structure graphene reinforced epoxy |
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Cited By (5)
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| CN110093088A (en) * | 2019-04-24 | 2019-08-06 | 中国海洋大学 | One type graphene self-dispersing coating and preparation method thereof |
| CN110229564A (en) * | 2019-05-29 | 2019-09-13 | 常熟理工学院 | A kind of graphene mill base and preparation method thereof and the application in anticorrosive paint |
| CN111826081A (en) * | 2020-08-06 | 2020-10-27 | 苏州世沃电子科技有限公司 | High-performance graphene conductive anticorrosive paint and preparation method thereof |
| CN112555784A (en) * | 2020-10-27 | 2021-03-26 | 广西大学 | Heat transfer working medium for enhancing efficiency of high-power LED lamp radiator |
| CN115975481A (en) * | 2023-03-21 | 2023-04-18 | 暨南大学 | Epoxy resin anticorrosive paint and preparation method thereof |
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| CN112555784A (en) * | 2020-10-27 | 2021-03-26 | 广西大学 | Heat transfer working medium for enhancing efficiency of high-power LED lamp radiator |
| CN112555784B (en) * | 2020-10-27 | 2022-09-13 | 广西大学 | Heat transfer working medium for enhancing efficiency of high-power LED lamp radiator |
| CN115975481A (en) * | 2023-03-21 | 2023-04-18 | 暨南大学 | Epoxy resin anticorrosive paint and preparation method thereof |
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