CN110183934A - A kind of wear-resisting type bi-component graphene anticorrosive paint - Google Patents
A kind of wear-resisting type bi-component graphene anticorrosive paint Download PDFInfo
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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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- 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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- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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Abstract
The invention discloses a kind of wear-resisting type bi-component graphene anticorrosive paints, belong to macromolecular antiseptic field of material technology.According to parts by weight, it successively weighs: 25~40 parts of epoxy resin, 15~22 parts of solvents, 3~5 parts of levelling agents, 2~4 parts of defoaming agents, 3~5 parts of dispersing agents, 12~16 parts of zinc powders, 10~15 parts of powdered whitings and 20~28 parts of modified graphenes；Epoxy resin is mixed with solvent, and levelling agent is added, defoaming agent, dispersing agent, zinc powder, powdered whiting and modified graphene, after being stirred, component A is obtained, according to parts by weight, it successively weighs: 10~15 parts of curing agent and 5~6 parts of solvents, curing agent is mixed with solvent, after being stirred, obtains B component, component A and B component are separately encapsulated, wear-resisting type bi-component graphene anticorrosive paint is obtained.Gained wear-resisting type bi-component graphene anticorrosive paint of the invention has excellent wear-resisting property and antiseptic property.
Description
Technical field
The invention discloses a kind of wear-resisting type bi-component graphene anticorrosive paints, belong to macromolecular antiseptic material technology neck
Domain.
Background technique
In recent years, with the rapid development in city, High Speed Construction, a large amount of metal material be applied to infrastructure,
The fields such as the energy, chemical industry, building, traffic, the following metal erosion situation are also increasingly severe, work, life to people
Work brings inconvenience, brings about great losses to national economy.It causes serious pollution to the environment, prevent however, traditional anticorrosive paint exists
The problems such as corruption effect is single, anti-corrosion effect is poor, makes it be unable to satisfy the demand of industry development, so developing a kind of new and effective
Anticorrosive paint is imperative.Anticorrosive packing in existing some graphene-based anticorrosive paints is based on pure graphene, component list
One, certain barrier action is only served, antiseptic property raising is unobvious, thus limits its use scope.
Anticorrosive paint is generally divided into conventional anticorrosive paint and anticorrosive paint, is essential one kind in paint
Coating.Conventional anticorrosive paint is under general condition, to play the role of the longevity etch-proof, protection non-ferrous metal uses to metal etc.
Life；It for anticorrosive paint refers to relatively conventional anticorrosive paint, can be applied in relatively harsh corrosive environment, and have and can reach
A kind of anticorrosive paint of protection period longer than conventional anticorrosive paint.
Graphene is anticorrosion material most thin in the world, can be used for metal protection, related graphene grinding in corrosion-resistant field
Study carefully the concern for having attracted researcher.A large amount of result of study shows the specific surface area of graphene super large, excellent barrier property, height
Chemical stability and the performances such as good electric conductivity, there is stronger castering action for anticorrosive paint comprehensive performance, such as increase
Strong coating promotes the wearability and anti-corrosive properties of coating to the adhesive force of substrate, while having the spies such as Environmental Safety, without secondary pollution
Property.In recent years, the anti-corrosion application study based on graphene is concentrated mainly on pure graphene corrosion-inhibiting coating and graphene is compound anti-
Rotten coating.Pure graphite ene coatings generally pass through the methods of chemical vapor deposition (CVD) method, mechanical transfer method, spray-on process, will be pure
Graphene covers the metallic substrate surfaces such as copper, nickel, is layering the densification to be formed using graphene itself two-dimensional slice structure
Isolation layer protects metal.However, there are many limitations using graphene erosion shield merely: to quality of graphene
It is required that it is high, once film has slight defect that will aggravate metal erosion, the antioxidant anticorrosive efficiency of short time can only be provided；It is right
Metallic substrates are selectable few, the high requirements on the equipment；It is difficult to extensive, large area preparation, it is difficult to industrialization.With pure graphene
Anticorrosive paint is compared, and graphene composite anticorrosion coating can take into account the excellent chemical stability of graphene, Quick conductive, protrusion
Mechanical property and fluoropolymer resin strong adhesive force, film forming, can cooperate with improve coating comprehensive performance.In addition, graphene
The preparation method of composite anticorrosion coating and coating processes etc. can all be established on the Process ba- sis of traditional coating production, industrialize
Good controllability and application property are shown in synthesis and industrial application.There is also wear-resisting properties for anticorrosive paint traditional at present
It is bad, the problem of antiseptic property can not further increase, therefore also need to study it.
Summary of the invention
The present invention solves the technical problem of: bad for traditional anticorrosive paint wear-resisting property, antiseptic property can not
The problem of further increasing provides a kind of wear-resisting type bi-component graphene anticorrosive paint.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that:
A kind of wear-resisting type bi-component graphene anticorrosive paint, including component A and B component, the component A are by following parts by weight
Raw material composition: 25~40 parts of epoxy resin, 15~22 parts of solvents, 3~5 parts of levelling agents, 2~4 parts of defoaming agents, 3~5 parts dispersion
Agent, 12~16 parts of zinc powders, 10~15 parts of powdered whitings and 20~28 parts of modified graphenes；The B component is by following weight
The raw material of number forms: 10~15 parts of curing agent and 5~6 parts of solvents；
The modified graphene the preparation method comprises the following steps:
Graphene oxide is mixed with water 1:700~1:850 in mass ratio, and 4~5 times of graphene oxide quality of nanometer is added
Silica after ultrasonic disperse, obtains graphene oxide mixed dispersion liquid；After the freeze-drying of graphene oxide mixed dispersion liquid,
After high-temperature heating treatment, pre- modified graphene oxide is obtained, by pre- modified graphene oxide and hydrofluoric acid 1:5~1:6 in mass ratio
Mixing is filtered, and is washed, dry, obtains modified graphene oxide；By modified graphene oxide and modified powder 2:1 in mass ratio~
3:1 mixing, and be added 20~50 times of modified graphene oxide quality water and 0.5~1.2 times of modified graphene oxide quality
Reducing agent is mixed, after being stirred to react, is filtered, it is dry, obtain modified graphene.
The epoxy resin is any one in epoxy resin E-44 or epoxy resin E-51.
The solvent is dimethylbenzene, any one in toluene or benzene.
The levelling agent is any one in dimethyl silicone polymer or polymethylphenylsiloxane.
The defoaming agent is dimethicone, any one in defoaming agent DF7010 or defoaming agent GP330.
The temperature of the high-temperature heating treatment is 1000~1100 DEG C.
The modified powder is that 4.2:1.0 is mixed in molar ratio with titanium dioxide by potassium carbonate, is ground, and is calcined, and is washed, and is done
It is dry, obtain modified powder.
The mixing reducing agent is to mix hydrazine hydrate with not having stone acid 3:1~4:1 in mass ratio, obtains mixing reducing agent.
The dispersing agent is dispersing agent NNO, any one in Dispersant MF or dispersing agent 5040.
The curing agent is ethylenediamine, any one in diethylamine or triethylene tetramine.
The beneficial effects of the present invention are:
(1) modified graphene is added when preparing wear-resisting type bi-component graphene anticorrosive paint in the present invention, firstly, graphene is passing through
After crossing modification, graphene monolithic layer forms fold-like structures, after being added in product, can reduce and produce when product rubs
The friction area of product improves the wear-resisting property of product, and since graphene is in surface after treatment times residual fraction two
Silica can form nano-emulsion lug structure after product solidification in product is added, improve the hydrophobicity of product, to reduce
Corrosive deposit improves the antiseptic property of product in the dead time of product surface, secondly, production is being added in modified graphene
After in product, fine and close multilayer physical barrier can be formed after product solidifies, so that the antiseptic property of product is improved, and by
In the fold-like structures of modified graphene, in product use process, firm embedded structure can be formed between modified graphene, is mentioned
Binding force between high modified graphene, while pleated structure can be such that the binding force in product between base-material and modified graphene mentions
Height can effectively prevent a large amount of losses of the wearing layer in product use process, so that the wear-resisting property of product be made to improve, extend and produce
The service life of product, furthermore, modified powder is added in the preparation process of modified graphene, modified powder is four metatitanic acid of lamella
Potassium can be adsorbed in graphene surface, to improve modified graphene after being added in modified graphene oxide in reduction process
The consistency of protective layer is formed, and then further increases the antiseptic property of product and wear-resisting property；
(2) present invention can not only make graphene anti-after modified powder is added when preparing wear-resisting type bi-component graphene anticorrosive paint
The consistency of sheath improves, so that the anti-corrosive properties after making product form a film improve, moreover, modified powder is adsorbed in graphene surface
Afterwards, on the surface of graphene under the action of remaining silica, raised or sunken structure can be formed on the surface of graphene, thus
The fold degree of graphene is improved, and then makes modified graphene after being added in product, the wear-resisting property of product can be made and is prevented
Rotten performance further increases.
Specific embodiment
By potassium carbonate, 4.2:1.0 is mixed in grinder in molar ratio with titanium dioxide, after mixed grinding 12~for 24 hours, is obtained
Mixed-powder moves into mixed-powder in calcining furnace, under conditions of being 750~850 DEG C in temperature after 12~18h of calcining at constant temperature,
Modified powder blank, after being by modified powder blank mass fraction, and in temperature be 12~18% salt acid elution for 5~8 times
Under conditions of 80~90 DEG C after dry 3~6h, modified powder is obtained；Graphene oxide and water 1:700~1:850 in mass ratio are mixed
Together in beaker, and 4~5 times of graphene oxide quality of nano silica is added into beaker, in frequency be 45~55kHz
Under conditions of, after 20~35min of ultrasonic disperse, obtain graphene oxide mixed dispersion liquid；Graphene oxide mixed dispersion liquid is cold
Be lyophilized it is dry after, obtain pre- modified graphene oxide blank, pre- modified graphene oxide blank moved into Muffle furnace, and to Muffle furnace
The interior rate with 30~50mL/min is passed through nitrogen, and after 30~40min of high-temperature heating treatment, material in Muffle furnace is cooled to room
Temperature, discharging, obtains pre- modified graphene oxide, pre- modified graphene oxide is mixed with hydrofluoric acid 1:5~1:6 in mass ratio, in
Room temperature addition is lower impregnate 1~2h after, filtering obtains filter cake, after filter cake is washed with deionized 8~10 times, and in temperature be 60
Under conditions of~80 DEG C after dry 1~3h, modified graphene oxide is obtained；In mass ratio by modified graphene oxide and modified powder
2:1~3:1 is mixed in flask, and 20~50 times of modified graphene oxide quality of water and modified oxidized stone are added into flask
The mixing reducing agent of 0.5~1.2 times of black alkene quality, in temperature be 80~95 DEG C, revolving speed be 300~360r/min under conditions of,
After being stirred to react 1~3h, filtering, obtain modified graphene blank, by modified graphene blank under conditions of temperature 60 C vacuum
After dry 3~6h, modified graphene is obtained；According to parts by weight, it successively weighs: 25~40 parts of epoxy resin, 15~22 parts of solvents,
3~5 parts of levelling agents, 2~4 parts of defoaming agents, 3~5 parts of dispersing agents, 12~16 parts of zinc powders, 10~15 parts of powdered whitings and 20~
28 parts of modified graphenes；Epoxy resin and solvent are mixed in blender, and levelling agent is added into blender, defoaming agent,
Dispersing agent, zinc powder, powdered whiting and modified graphene are 30~40 DEG C in temperature, and revolving speed is the condition of 300~350r/min
Under, after being stirred 40~60min, obtain component A, according to parts by weight, successively weigh: 10~15 parts of curing agent and 5~6 parts it is molten
Agent mixes curing agent with solvent, is 30~35 DEG C in temperature, under conditions of revolving speed is 200~350r/min, is stirred 15
After~45min, B component is obtained, component A and B component are separately encapsulated, obtains wear-resisting type bi-component graphene anticorrosive paint.The ring
Oxygen resin is any one in epoxy resin E-44 or epoxy resin E-51.The solvent is dimethylbenzene, any in toluene or benzene
It is a kind of.The levelling agent is any one in dimethyl silicone polymer or polymethylphenylsiloxane.The defoaming agent is diformazan
Any one in base silicone oil, defoaming agent DF7010 or defoaming agent GP330.The temperature of the high-temperature heating treatment is 1000~1100
℃.The mixing reducing agent is to mix hydrazine hydrate with not having stone acid 3:1~4:1 in mass ratio, obtains mixing reducing agent.Described point
Powder is dispersing agent NNO, any one in Dispersant MF or dispersing agent 5040.The curing agent is ethylenediamine, diethylamine or three
Any one in ethylene tetramine.
Example 1
By potassium carbonate, 4.2:1.0 is mixed in grinder in molar ratio with titanium dioxide, mixed grinding for 24 hours after, obtain mixed-powder,
Mixed-powder is moved into calcining furnace, under conditions of being 850 DEG C in temperature after calcining at constant temperature 18h, modified powder blank is obtained, will change
Property powder batch mass fraction be 18% salt acid elution for 8 times after, and after dry 6h, must change under the conditions of at a temperature of 90 °C
Property powder；Graphene oxide and water 1:850 in mass ratio are mixed in beaker, and graphene oxide quality is added into beaker
5 times of nano silica after ultrasonic disperse 35min, obtains graphene oxide mixing dispersion under conditions of frequency is 55kHz
Liquid；After the freeze-drying of graphene oxide mixed dispersion liquid, pre- modified graphene oxide blank is obtained, by pre- modified graphene oxide
Blank moves into Muffle furnace, and the rate into Muffle furnace with 50mL/min is passed through nitrogen, will after high-temperature heating treatment 40min
Material is cooled to room temperature in Muffle furnace, and discharging obtains pre- modified graphene oxide, and pre- modified graphene oxide and hydrofluoric acid are pressed matter
Amount is mixed than 1:6, and after room temperature adds lower immersion 2h, filtering obtains filter cake, after filter cake is washed with deionized 10 times, and in
Temperature after dry 3h, obtains modified graphene oxide under conditions of being 80 DEG C；Modified graphene oxide and modified powder are pressed into quality
It is mixed in flask than 3:1, and 50 times of modified graphene oxide quality of water and modified graphene oxide matter is added into flask
The mixing reducing agent of 1.2 times of amount is 95 DEG C in temperature, and under conditions of revolving speed is 360r/min, after being stirred to react 3h, filtering is obtained
Modified graphene blank obtains modified graphene after modified graphene blank is dried in vacuo 6h under conditions of temperature 60 C；It presses
Parts by weight meter, successively weighs: 40 parts of epoxy resin, 22 parts of solvents, 5 parts of levelling agents, 4 parts of defoaming agents, 5 parts of dispersing agents, and 16 parts
Zinc powder, 15 parts of powdered whitings and 28 parts of modified graphenes；Epoxy resin and solvent are mixed in blender, and to blender
Middle addition levelling agent, defoaming agent, dispersing agent, zinc powder, powdered whiting and modified graphene are 40 DEG C in temperature, and revolving speed is
Under conditions of 350r/min, after being stirred 60min, component A is obtained, according to parts by weight, is successively weighed: 15 parts of curing agent and 6
Part solvent, curing agent is mixed with solvent, is 35 DEG C in temperature, under conditions of revolving speed is 350r/min, is stirred 45min
Afterwards, B component is obtained, component A and B component are separately encapsulated, obtains wear-resisting type bi-component graphene anticorrosive paint.The epoxy resin is
Epoxy resin E-44.The solvent is dimethylbenzene.The levelling agent is dimethyl silicone polymer.The defoaming agent is dimethyl-silicon
Oil.The temperature of the high-temperature heating treatment is 1100 DEG C.The mixing reducing agent is by hydrazine hydrate and not have stone acid in mass ratio
4:1 mixing, obtains mixing reducing agent.The dispersing agent is dispersing agent NNO.The curing agent is ethylenediamine.
Example 2
By potassium carbonate, 4.2:1.0 is mixed in grinder in molar ratio with titanium dioxide, mixed grinding for 24 hours after, obtain mixed-powder,
Mixed-powder is moved into calcining furnace, under conditions of being 850 DEG C in temperature after calcining at constant temperature 18h, modified powder blank is obtained, will change
Property powder batch mass fraction be 18% salt acid elution for 8 times after, and after dry 6h, must change under the conditions of at a temperature of 90 °C
Property powder；Graphene oxide and water 1:850 in mass ratio are mixed in beaker, and graphene oxide quality is added into beaker
5 times of nano silica after ultrasonic disperse 35min, obtains graphene oxide mixing dispersion under conditions of frequency is 55kHz
Liquid；Graphene oxide and modified powder 3:1 in mass ratio are mixed in flask, and graphene oxide quality is added into flask
50 times of water and 1.2 times of graphene oxide quality of mixing reducing agent are 95 DEG C in temperature, and revolving speed is the condition of 360r/min
Under, after being stirred to react 3h, filtering, obtain modified graphene blank, by modified graphene blank under conditions of temperature 60 C vacuum
After dry 6h, modified graphene is obtained；According to parts by weight, it successively weighs: 40 parts of epoxy resin, 22 parts of solvents, 5 parts of levelling agents, 4
Part defoaming agent, 5 parts of dispersing agents, 16 parts of zinc powders, 15 parts of powdered whitings and 28 parts of modified graphenes；Epoxy resin and solvent are mixed
Together in blender, and levelling agent is added into blender, defoaming agent, dispersing agent, zinc powder, powdered whiting and modified graphite
Alkene is 40 DEG C in temperature, under conditions of revolving speed is 350r/min, after being stirred 60min, obtains component A, according to parts by weight,
Successively weigh: 15 parts of curing agent and 6 parts of solvents mix curing agent with solvent, are 35 DEG C in temperature, revolving speed is 350r/min's
Under the conditions of, after being stirred 45min, B component is obtained, component A and B component are separately encapsulated, it is anti-to obtain wear-resisting type bi-component graphene
Rotten coating.The epoxy resin is epoxy resin E-44.The solvent is dimethylbenzene.The levelling agent is polydimethylsiloxanes
Alkane.The defoaming agent is dimethicone.The temperature of the high-temperature heating treatment is 1100 DEG C.The mixing reducing agent is by water
It closes hydrazine to mix with not having stone acid 4:1 in mass ratio, obtains mixing reducing agent.The dispersing agent is dispersing agent NNO.The curing agent is
Ethylenediamine.
Example 3
Graphene oxide and water 1:850 in mass ratio are mixed in beaker, and 5 times of graphene oxide quality are added into beaker
Nano silica, in frequency be 55kHz under conditions of, after ultrasonic disperse 35min, obtain graphene oxide mixed dispersion liquid；
After the freeze-drying of graphene oxide mixed dispersion liquid, pre- modified graphene oxide blank is obtained, by pre- modified graphene oxide base
Material moves into Muffle furnace, and the rate into Muffle furnace with 50mL/min is passed through nitrogen, after high-temperature heating treatment 40min, by horse
Not material is cooled to room temperature in furnace, and discharging obtains pre- modified graphene oxide, and pre- modified graphene oxide and hydrofluoric acid are pressed quality
It is mixed than 1:6, after room temperature adds lower immersion 2h, filtering obtains filter cake, after filter cake is washed with deionized 10 times, and in temperature
Degree after dry 3h, obtains modified graphene oxide under conditions of being 80 DEG C；Modified graphene oxide is added in flask, and to flask
50 times of modified graphene oxide quality of water of middle addition and 1.2 times of modified graphene oxide quality of mixing reducing agent, Yu Wendu
It is 95 DEG C, under conditions of revolving speed is 360r/min, after being stirred to react 3h, filtering obtains modified graphene blank, by modified graphene
After blank is dried in vacuo 6h under conditions of temperature 60 C, modified graphene is obtained；According to parts by weight, it successively weighs: 40 parts of rings
Oxygen resin, 22 parts of solvents, 5 parts of levelling agents, 4 parts of defoaming agents, 5 parts of dispersing agents, 16 parts of zinc powders, 15 parts of powdered whitings and 28 parts change
Property graphene；Epoxy resin and solvent are mixed in blender, and levelling agent is added into blender, defoaming agent, dispersing agent,
Zinc powder, powdered whiting and modified graphene are 40 DEG C in temperature, under conditions of revolving speed is 350r/min, are stirred 60min
Afterwards, obtain component A, according to parts by weight, successively weigh: 15 parts of curing agent and 6 parts of solvents mix curing agent with solvent, Yu Wen
Degree is 35 DEG C, under conditions of revolving speed is 350r/min, after being stirred 45min, obtains B component, component A and B component are separately sealed
Dress, obtains wear-resisting type bi-component graphene anticorrosive paint.The epoxy resin is epoxy resin E-44.The solvent is dimethylbenzene.
The levelling agent is dimethyl silicone polymer.The defoaming agent is dimethicone.The temperature of the high-temperature heating treatment is
1100℃.The mixing reducing agent is to mix hydrazine hydrate with not having stone acid 4:1 in mass ratio, obtains mixing reducing agent.Described point
Powder is dispersing agent NNO.The curing agent is ethylenediamine.
Example 4
By potassium carbonate, 4.2:1.0 is mixed in grinder in molar ratio with titanium dioxide, mixed grinding for 24 hours after, obtain mixed-powder,
Mixed-powder is moved into calcining furnace, under conditions of being 850 DEG C in temperature after calcining at constant temperature 18h, modified powder blank is obtained, will change
Property powder batch mass fraction be 18% salt acid elution for 8 times after, and after dry 6h, must change under the conditions of at a temperature of 90 °C
Property powder；Graphene oxide and water 1:850 in mass ratio are mixed in beaker, and graphene oxide quality is added into beaker
5 times of nano silica after ultrasonic disperse 35min, obtains graphene oxide mixing dispersion under conditions of frequency is 55kHz
Liquid；After the freeze-drying of graphene oxide mixed dispersion liquid, pre- modified graphene oxide blank is obtained, by pre- modified graphene oxide
Blank moves into Muffle furnace, and the rate into Muffle furnace with 50mL/min is passed through nitrogen, will after high-temperature heating treatment 40min
Material is cooled to room temperature in Muffle furnace, and discharging obtains pre- modified graphene oxide, and pre- modified graphene oxide and hydrofluoric acid are pressed matter
Amount is mixed than 1:6, and after room temperature adds lower immersion 2h, filtering obtains filter cake, after filter cake is washed with deionized 10 times, and in
Temperature after dry 3h, obtains modified graphene oxide under conditions of being 80 DEG C；Modified graphene oxide and modified powder are pressed into quality
It is mixed in flask than 3:1, and 50 times of modified graphene oxide quality of water and modified graphene oxide matter is added into flask
The reducing agent of 1.2 times of amount is 95 DEG C in temperature, and under conditions of revolving speed is 360r/min, after being stirred to react 3h, filtering obtains modification
Graphene blank obtains modified graphene after modified graphene blank is dried in vacuo 6h under conditions of temperature 60 C；By weight
Number meter, successively weighs: 40 parts of epoxy resin, 22 parts of solvents, 5 parts of levelling agents, 4 parts of defoaming agents, 5 parts of dispersing agents, 16 parts of zinc powders,
15 parts of powdered whitings and 28 parts of modified graphenes；Epoxy resin and solvent are mixed in blender, and added into blender
Enter levelling agent, defoaming agent, dispersing agent, zinc powder, powdered whiting and modified graphene, in temperature be 40 DEG C, revolving speed 350r/
Under conditions of min, after being stirred 60min, obtain component A, according to parts by weight, successively weigh: 15 parts of curing agent and 6 parts it is molten
Agent mixes curing agent with solvent, is 35 DEG C in temperature, under conditions of revolving speed is 350r/min, after being stirred 45min, obtains B
Component separately encapsulates component A and B component, obtains wear-resisting type bi-component graphene anticorrosive paint.The epoxy resin is asphalt mixtures modified by epoxy resin
Rouge E-44.The solvent is dimethylbenzene.The levelling agent is dimethyl silicone polymer.The defoaming agent is dimethicone.Institute
The temperature for stating high-temperature heating treatment is 1100 DEG C.The reducing agent is hydrazine hydrate.The dispersing agent is dispersing agent NNO.It is described solid
Agent is ethylenediamine.
After component A in 1 to 4 gained anticorrosive paint of example and B component in mass ratio 8:1 mixing, performance inspection is carried out
It surveys, the specific detection method is as follows:
Wear-resisting property: its wear-resisting property is detected according to GB1768.
Antiseptic property: polishing tinplate sheet surface and with acetone oil removing, then washes of absolute alcohol brushes above-mentioned coating
Thereon, spontaneous curing for 24 hours, is then placed in 60 DEG C of drying boxes dry 12h.By coating be separately immersed in 3.5%NaOH solution,
In 3.5%HCl solution and 3.5%NaCl solution, its corrosion resistance is characterized according to coating variation, it is primary per checking for 24 hours.
Specific testing result is as shown in table 1:
Table 1: performance detection table
| Detection content | Example 1 | Example 2 | Example 3 | Example 4 |
| 3.5%HCl solution | 850h starts rust spot, corrugation occur | 520h starts rust spot, corrugation occur | 480h starts rust spot, corrugation occur | 510h starts rust spot, corrugation occur |
| 3.5%NaOH solution | 700h starts rust spot, corrugation occur | 470h starts rust spot, corrugation occur | 480h starts rust spot, corrugation occur | 460h starts rust spot, corrugation occur |
| 3.5%NaCl solution | 580h starts rust spot, corrugation occur | 360h starts rust spot, corrugation occur | 390h starts rust spot, corrugation occur | 370h starts rust spot, corrugation occur |
| Abrasion/mg | 0.031 | 0.437 | 0.468 | 0.572 |
By 1 testing result of table it is found that present invention gained wear-resisting type bi-component graphene anticorrosive paint has excellent wear-resisting property
And antiseptic property.
Claims (10)
1. a kind of wear-resisting type bi-component graphene anticorrosive paint, including component A and B component, it is characterised in that: the component A is
Be made of the raw material of following parts by weight: 25~40 parts of epoxy resin, 15~22 parts of solvents, 3~5 parts of levelling agents, 2~4 parts disappear
Infusion, 3~5 parts of dispersing agents, 12~16 parts of zinc powders, 10~15 parts of powdered whitings and 20~28 parts of modified graphenes；The B group
Divide and be made of the raw material of following parts by weight: 10~15 parts of curing agent and 5~6 parts of solvents；
The modified graphene the preparation method comprises the following steps:
Graphene oxide is mixed with water 1:700~1:850 in mass ratio, and 4~5 times of graphene oxide quality of nanometer is added
Silica after ultrasonic disperse, obtains graphene oxide mixed dispersion liquid；After the freeze-drying of graphene oxide mixed dispersion liquid,
After high-temperature heating treatment, pre- modified graphene oxide is obtained, by pre- modified graphene oxide and hydrofluoric acid 1:5~1:6 in mass ratio
Mixing is filtered, and is washed, dry, obtains modified graphene oxide；By modified graphene oxide and modified powder 2:1 in mass ratio~
3:1 mixing, and be added 20~50 times of modified graphene oxide quality water and 0.5~1.2 times of modified graphene oxide quality
Reducing agent is mixed, after being stirred to react, is filtered, it is dry, obtain modified graphene.
2. a kind of wear-resisting type bi-component graphene anticorrosive paint according to claim 1, it is characterised in that: the asphalt mixtures modified by epoxy resin
Rouge is any one in epoxy resin E-44 or epoxy resin E-51.
3. a kind of wear-resisting type bi-component graphene anticorrosive paint according to claim 1, it is characterised in that: the solvent is
Any one in dimethylbenzene, toluene or benzene.
4. a kind of wear-resisting type bi-component graphene anticorrosive paint according to claim 1, it is characterised in that: the levelling agent
For any one in dimethyl silicone polymer or polymethylphenylsiloxane.
5. a kind of wear-resisting type bi-component graphene anticorrosive paint according to claim 1, it is characterised in that: the defoaming agent
For dimethicone, any one in defoaming agent DF7010 or defoaming agent GP330.
6. a kind of wear-resisting type bi-component graphene anticorrosive paint according to claim 1, it is characterised in that: the high temperature adds
The temperature of heat treatment is 1000~1100 DEG C.
7. a kind of wear-resisting type bi-component graphene anticorrosive paint according to claim 1, it is characterised in that: the modified powder
End is ground for by potassium carbonate, 4.2:1.0 is mixed in molar ratio with titanium dioxide, is calcined, and is washed, dry, obtains modified powder.
8. a kind of wear-resisting type bi-component graphene anticorrosive paint according to claim 1, it is characterised in that: the mixing is also
Former agent is to mix hydrazine hydrate with there be not stone acid 3:1~4:1 in mass ratio, obtains mixing reducing agent.
9. a kind of wear-resisting type bi-component graphene anticorrosive paint according to claim 1, it is characterised in that: the dispersing agent
For dispersing agent NNO, any one in Dispersant MF or dispersing agent 5040.
10. a kind of wear-resisting type bi-component graphene anticorrosive paint according to claim 1, it is characterised in that: the solidification
Agent is ethylenediamine, any one in diethylamine or triethylene tetramine.
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| CN110746917A (en) * | 2019-10-18 | 2020-02-04 | 李志兴 | Preparation method of high-temperature-resistant epoxy resin adhesive |
| CN110767371A (en) * | 2019-11-04 | 2020-02-07 | 安徽恒晶电缆集团有限公司 | High-temperature computer cable and processing technology thereof |
| CN111117407A (en) * | 2020-01-22 | 2020-05-08 | 姹ゅ姜 | Super-hydrophobic coating with flame retardant effect and preparation method thereof |
| CN111944387A (en) * | 2020-09-04 | 2020-11-17 | 沈明晖 | Graphene anticorrosive paint |
| CN112358785A (en) * | 2020-11-27 | 2021-02-12 | 胜利油田固邦石油装备有限责任公司 | Water-based acrylic acid anticorrosive paint and preparation method thereof |
| CN116515369A (en) * | 2023-05-31 | 2023-08-01 | 高州市名洋化工有限公司 | Wear-resistant paint and preparation method thereof |
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| CN112358785A (en) * | 2020-11-27 | 2021-02-12 | 胜利油田固邦石油装备有限责任公司 | Water-based acrylic acid anticorrosive paint and preparation method thereof |
| CN116515369A (en) * | 2023-05-31 | 2023-08-01 | 高州市名洋化工有限公司 | Wear-resistant paint and preparation method thereof |
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