CN107903692A - A kind of modified graphene electrically-conducting paint and preparation method thereof - Google Patents
A kind of modified graphene electrically-conducting paint and preparation method thereof Download PDFInfo
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- CN107903692A CN107903692A CN201711236554.1A CN201711236554A CN107903692A CN 107903692 A CN107903692 A CN 107903692A CN 201711236554 A CN201711236554 A CN 201711236554A CN 107903692 A CN107903692 A CN 107903692A
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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
- C09D5/24—Electrically-conducting paints
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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
- 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
- C08K2003/0806—Silver
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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
- C08K2003/085—Copper
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2248—Oxides; Hydroxides of metals of copper
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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
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a kind of modified graphene electrically-conducting paint and preparation method thereof, wherein, electrically-conducting paint is made of in parts by weight following component：30 50 parts of modified graphene, 10 20 parts of carbon nanotubes, 10 20 parts of metal dust, 50 100 parts of epoxy resin, 12 parts of levelling agent, 12 parts of defoamer, 12 parts of dispersant, 30 60 parts of diluent, 23 parts of coupling agent, 12 parts of adhesion promoter, 13 parts of metal alignment promoters.Strong acid or strong oxidizer are not contained in electrically-conducting paint prepared by the present invention, have the advantages that it is a kind of it is environmental-friendly, paint ingredient is simple, good conductivity and strong adhesive force.
Description
Technical field
The invention belongs to technical field of coatings, and in particular to a kind of modified graphene electrically-conducting paint and preparation method thereof.
Background technology
With the development of energy conservation and environmental protection and information industry, electrically-conducting paint is in high power LED substrate, flat-panel monitor, the sun
The demand in the fields such as energy solar panel is increasingly vigorous.Led with adding silver powder, copper powder, the silver-colored electrically-conducting paint of nickel powder, copper electrically-conducting paint, nickel
Although electrocoating paint is preferable for the conventional conductive coating electric conductivity of representative, due to wherein with the addition of the precious metal materials such as silver, this
Undoubtedly improve the manufacture cost of coating.
Electrically-conducting paint is to refer to be applied on non-conductive substrates by various spraying methods, with conduction electric current and row
Except a kind of new type functional coating of accumulation electrostatic charge ability, the electrical conductivity after film is generally higher than 10S/m, have wide
Development prospect.
Electrically-conducting paint can be divided into structural conductive coating and addition type electrically-conducting paint according to electrical conduction mechanism and composition at present.Knot
Configuration electrically-conducting paint mainly with high polymer itself there is conducting function film to be formed；Addition type electrically-conducting paint is mainly in insulation
Conducting particles of the addition with conductive capability in high polymer, high polymer make to contact with each other between conducting particles after curing, and formation is led
Electric pathway, makes electrically-conducting paint have conductive capability.Addition type electrically-conducting paint have equipment be simple and convenient to operate, it is of low cost and
The advantages that various surfaces of complex shape can be coated on, market application range is wider.
People develop a variety of strong electric conductivity electrically-conducting paints in succession, as conductive filler mainly has metal system (silver powder, copper
Powder, nickel powder etc.), glass/metal is compound and charcoal system (graphite, carbon black) etc..But these electrically-conducting paints, coating is prepared
Mechanical strength is difficult to improve at the same time with conductivity, and the density of coating is larger, these problems limit its application range significantly.Also have
People prepare electrically-conducting paint using graphene, then improve the conductive and mechanical properties of spraying, but due to graphene conductive
The development of coating is in the starting stage, also has many problems to need to solve, and contains as in published graphene conductive coating more
There is strong acid or strong oxidizer, environment friendly be poor, paint ingredient is complicated, meanwhile, the preparation process of coating is more complicated, industrialization is difficult
Degree is high and cost is high.
The content of the invention
Part in view of the deficiency of the prior art, the present invention provides a kind of modified graphene electrically-conducting paint and its
Preparation method.
To achieve the above object, the application uses following technical scheme：A kind of modified graphene electrically-conducting paint, by such as the following group
Divide and form in parts by weight：30-50 parts of modified graphene, 10-20 parts of carbon nanotubes, 10-20 parts of metal dust, epoxy resin
50-100 parts, 1-2 parts of levelling agent, 1-2 parts of defoamer, 1-2 parts of dispersant, 30-60 parts of diluent, 2-3 parts of coupling agent, adhesive force
1-2 parts of accelerating agent, 1-3 parts of metal alignment promoters.
Further, the preparation method of the modified graphene includes：5-10 parts of graphene oxides, 50-100 parts of concentrated ammonia liquors
The sonic oscillation 20h at 40 DEG C, then again in 80 deionized waters, and ultrasound 60-100min, obtained graphene oxide disperse
After liquid, 5-10 parts of nanometer copper oxide particles are distributed in graphene oxide dispersion, by the protection of inert gas, and
Ultrasound 30-60min at temperature at 40-60 DEG C, forms stable nanometer copper oxide-graphene oxide suspension；Will be above-mentioned
Nanometer copper oxide-graphene oxide suspension is after filtering, wash, be dried in vacuo in 1200- under inert gas shielding
The modified graphene powder that calcining forms doping is carried out at 1500 DEG C.
Further, the metal dust is silver powder and/or copper powder, and the granularity of the metal dust is 1-10 microns.
Further, the epoxy resin is aqueous epoxy emulsion or solvent epoxy varnish.
Further, the levelling agent is silicone levelling agent, in acrylic compounds levelling agent, only son's ethers levelling agent
It is a kind of.
Further, the defoamer is organic silicon defoamer, in inorganic silicon class defoamer, antifoaming agent of non-silicone
It is a kind of.
Further, the dispersant is the one or more in PVP, PVA, PEG.
Further, the diluent for 1,4-butanediol diglycidyl ether, ethylene glycol diglycidylether, acetone,
One or more in dimethylbenzene, n-butanol, methyl iso-butyl ketone (MIBK), absolute ethyl alcohol, ethyl acetate, butyl acetate.
Further, the coupling agent is titanate coupling agent and/or silane coupling agent；The adhesion promoter is aldehyde
Ketone resin, click are frustrated, one or several kinds of mixed with arbitrary proportion in styrene-butadiene rubber, nitrile rubber, neoprene makes
With.
Present invention also offers a kind of preparation method of modified graphene electrically-conducting paint, comprise the following steps：
（1）Modified graphene and carbon nanotubes are added in portion of diluent, modified graphene-carbon is obtained after ultrasonic 30-60min
Nanotube mixed solution；
（2）Metal dust is added in another part diluent, after 10-20min minutes ultrasonic, then 20-40min is placed, makes gold
Belong to powder wetting and dispersing；
（3）Epoxy resin, defoamer, levelling agent, dispersant, coupling agent and adhesion promoter are uniformly mixed；
（4）Mixture, metal arrangements accelerating agent made from solution made from (1), step (3) are mixed, turned with 1500-2000/
The rotating speed stirring 30mim divided, forms conductive paint base-material；
（5）Obtained conductive paint base-material in step (4) is added in the good metal dust of wetting and dispersing, after stirring evenly, mistake
The sieve of 100-300 mesh, removes impurity, obtains electrically-conducting paint.
A kind of modified graphene electrically-conducting paint provided by the invention and preparation method thereof, is used as coating by modified graphene
On the basis of, adding carbon nanotubes and metal dust makes prepared compound graphene coating have better dispersing property and lead
Electrically, and by adding coupling agent, metal alignment promoters and adhesion promoter, not only solve graphene and
Metal dust is disperseing the problem of difficult, while also improves aligning for metal dust, it is preferably mutually wrapped with resin
Hold, form stable conductive network, while strengthen the adhesive force between material, make the electrically-conducting paint stability of preparation good；Together
When the electrically-conducting paint for preparing of the present invention in do not contain strong acid or strong oxidizer, have it is a kind of it is environmental-friendly, paint ingredient is simple, leads
Electrically the advantages of good and strong adhesive force.
Embodiment
Below by specific embodiment, the present invention is described in further detail.
Embodiment 1
A kind of modified graphene electrically-conducting paint, is made of in parts by weight following component：30 parts of modified graphene, carbon nanotubes 15
Part, 10 parts of metal dust, 70 parts of aqueous epoxy emulsion, 1 part of silicone levelling agent, 2 parts of machine silicon class defoamer, PVP1.5 parts,
50 parts of 1,4-butanediol diglycidyl ether, 2.5 parts of titanate coupling agent, 1 part of aldehyde ketone resin, metal alignment promoters 2
Part.
As a kind of preferred embodiment, the preparation method of modified graphene includes：10 parts of graphene oxides, 50 parts of dense ammonia
Water sonic oscillation 20h at 40 DEG C, then again in 80 deionized waters, and ultrasound 60min, obtained graphene oxide dispersion
Afterwards, 5 parts of nanometer copper oxide particles are distributed in graphene oxide dispersion, by the protection of inert gas, and at 40 DEG C
Under temperature under ultrasound 30min, form stable nanometer copper oxide-graphene oxide suspension；Above-mentioned Nanometer Copper is aoxidized
Thing-graphene oxide suspends and carries out calcining shape at 1200 DEG C under inert gas shielding after filtering, wash, be dried in vacuo
Into the modified graphene powder of doping.
Wherein, metal dust is silver powder and/or copper powder, and the granularity of metal dust is 1-10 microns.
The present embodiment additionally provides a kind of preparation method of modified graphene electrically-conducting paint, comprises the following steps：
（1）Modified graphene and carbon nanotubes are added in 20 parts of 1,4-butanediol diglycidyl ether, obtained after ultrasonic 30min
Modified graphene-carbon nanotubes mixed solution；
（2）Metal dust is added in 30 parts of 1,4-butanediol diglycidyl ether, after 10min minutes ultrasonic, then is placed
20min, makes metal dust wetting and dispersing；
（3）By aqueous epoxy emulsion, machine silicon class defoamer, silicone levelling agent, PVP, titanate coupling agent and aldehyde ketone resin
It is uniformly mixed；
（4）Mixture, metal arrangements accelerating agent made from solution made from (1), step (3) are mixed, turned with 1500-2000/
The rotating speed stirring 30mim divided, forms conductive paint base-material；
（5）Obtained conductive paint base-material in step (4) is added in the good metal dust of wetting and dispersing, after stirring evenly, mistake
The sieve of 100-300 mesh, removes impurity, obtains electrically-conducting paint.
Embodiment 2
A kind of modified graphene electrically-conducting paint, is made of in parts by weight following component：50 parts of modified graphene, carbon nanotubes 10
Part, 20 parts of metal dust, 50 parts of solvent epoxy varnish, 1.5 parts of silicone levelling agent, 1 part of organic silicon defoamer, PEG
1 part, 60 parts of acetone, 2 parts of silane coupling agent, 2 parts of neoprene, 1 part of metal alignment promoters.
As a kind of preferred embodiment, the preparation method of modified graphene includes：7 parts of graphene oxides, 70 parts of dense ammonia
Water sonic oscillation 20h at 40 DEG C, then again in 80 deionized waters, and ultrasound 80min, obtained graphene oxide dispersion
Afterwards, 7 parts of nanometer copper oxide particles are distributed in graphene oxide dispersion, by the protection of inert gas, and at 50 DEG C
Under temperature under ultrasound 50min, form stable nanometer copper oxide-graphene oxide suspension；Above-mentioned Nanometer Copper is aoxidized
Thing-graphene oxide suspends and carries out calcining shape at 1400 DEG C under inert gas shielding after filtering, wash, be dried in vacuo
Into the modified graphene powder of doping.
Wherein, metal dust is silver powder and/or copper powder, and the granularity of the metal dust is 1-10 microns.
The present embodiment additionally provides a kind of preparation method of modified graphene electrically-conducting paint, comprises the following steps：
（1）Modified graphene and carbon nanotubes are added in 30 parts of acetone, modified graphene-carbon nanometer is obtained after ultrasonic 40min
Pipe mixed solution；
（2）Metal dust is added in 30 parts of acetone, after 15min minutes ultrasonic, then places 30min, makes metal dust wetting point
Dissipate；
（3）By solvent epoxy varnish, organic silicon defoamer, silicone levelling agent, PEG, silane coupling agent and neoprene
It is uniformly mixed；
（4）Mixture, metal arrangements accelerating agent made from solution made from (1), step (3) are mixed, turned with 1500-2000/
The rotating speed stirring 30mim divided, forms conductive paint base-material；
（5）Obtained conductive paint base-material in step (4) is added in the good metal dust of wetting and dispersing, after stirring evenly, mistake
The sieve of 100-300 mesh, removes impurity, obtains electrically-conducting paint.
Embodiment 3
A kind of modified graphene electrically-conducting paint, is made of in parts by weight following component：40 parts of modified graphene, carbon nanotubes 20
Part, 15 parts of metal dust, 100 parts of solvent epoxy varnish, 1.5 parts of acrylic compounds levelling agent, 1.5 parts of inorganic silicon class defoamer,
2 parts of PVA, 30 parts of absolute ethyl alcohol, 3 parts of silane coupling agent, 1.5 parts of nitrile rubber, 3 parts of metal alignment promoters.
As a kind of preferred embodiment, the preparation method of modified graphene includes：10 parts of graphene oxides, 100 parts it is dense
Ammonium hydroxide sonic oscillation 20h at 40 DEG C, then again in 80 deionized waters, and ultrasound 100min, obtained graphene oxide point
After dispersion liquid, 10 parts of nanometer copper oxide particles are distributed in graphene oxide dispersion, by the protection of inert gas, and
Ultrasound 60min at temperature at 60 DEG C, forms stable nanometer copper oxide-graphene oxide suspension；By above-mentioned Nanometer Copper
Oxide-graphene oxide suspends and is forged after filtering, wash, be dried in vacuo under inert gas shielding at 1500 DEG C
Burn the modified graphene powder for forming doping.
Wherein, metal dust is silver powder and/or copper powder, and the granularity of metal dust is 1-10 microns.
The present embodiment additionally provides a kind of preparation method of modified graphene electrically-conducting paint, comprises the following steps：
（1）Modified graphene and carbon nanotubes are added in 15 parts of absolute ethyl alcohols, after ultrasonic 60min obtain modified graphene-
Carbon nanotubes mixed solution；
（2）Metal dust is added in 15 parts of absolute ethyl alcohols, after 20min minutes ultrasonic, then 40min is placed, makes metal dust
Wetting and dispersing；
（3）By solvent epoxy varnish, inorganic silicon class defoamer, acrylic compounds levelling agent, PVA, silane coupling agent and nitrile rubber
It is uniformly mixed；
（4）Mixture, metal arrangements accelerating agent made from solution made from (1), step (3) are mixed, turned with 1500-2000/
The rotating speed stirring 30mim divided, forms conductive paint base-material；
（5）Obtained conductive paint base-material in step (4) is added in the good metal dust of wetting and dispersing, after stirring evenly, mistake
The sieve of 100-300 mesh, removes impurity, obtains electrically-conducting paint.
Compared with prior art, the present invention has the advantages that：A kind of modified graphene provided by the invention is conductive
Coating and preparation method thereof, on the basis of being used as coating by modified graphene, add carbon nanotubes and metal dust make it is made
Standby compound graphene coating has better dispersing property and electric conductivity, and by adding coupling agent, metal aligns
Accelerating agent and adhesion promoter, not only solve the problems, such as that graphene and metal dust are disperseing hardly possible, also improve at the same time
Metal dust aligns, and it is preferably mutually contained with resin, forms stable conductive network, while enhancing and material
Between adhesive force, make the electrically-conducting paint stability of preparation good；Do not contained at the same time in the electrically-conducting paint for preparing of the present invention strong acid or
Strong oxidizer, have the advantages that it is a kind of it is environmental-friendly, paint ingredient is simple, good conductivity and strong adhesive force.
Meanwhile modified graphene does not occur by the way that nanometer copper oxide particle is uniformly adhered to graphene surface
Agglomeration, make it have good electric conductivity, can be applied to nanocomposite, lithium ion battery, ultracapacitor
The composite material based on graphene such as graphene paper.Make electric transmission not only can via the big pi-conjugated system of Sheet Graphite alkene,
The electronic conduction passage of nanometer copper oxide particle can also be utilized to improve electron transfer rate.Thus led by prepared by the present invention
Electrocoating paint can obtain high conductivity, while the addition of graphene can effectively improve the mechanical performance of electrically-conducting paint.
Experimental result：By modified graphene electrically-conducting paint obtained above, with rubbing method blade coating in PET film, heating
After curing, its sheet resistance, adhesive force and hardness are tested.The results are shown in Table 1.
| Coating does thickness（μm） | Sheet resistance（Ohm/） | Adhesive force（N） | Hardness | |
| Embodiment 1 | 10 | 120 | 4.1 | 4H |
| Embodiment 2 | 10 | 100 | 4.2 | 4H |
| Embodiment 3 | 10 | 115 | 4.1 | 4H |
Electric radiant Heating Film, electric heating cloth, electric hot plate is made in the present invention, and also there is its main wave band of transmitting of higher far infrared to be located at 2-
15 microns, with more the 8-12 micron far infrareds suitable for human body.The foregoing specific exemplary embodiment to the present invention is retouched
It is purpose in order to illustrate with illustration to state.These descriptions are not wishing to limit the invention to disclosed precise forms, and very
Obviously, according to the above instruction, many change and variations can be carried out.The purpose of selecting and describing the exemplary embodiments exists
In the certain principles and its practical application of explaining the present invention, so that those skilled in the art can realize and utilize this hair
Bright a variety of exemplaries and various chooses and changes.The scope of the present invention is intended to will by right
Book and its equivalents are asked to be limited.
Claims (10)
1. a kind of modified graphene electrically-conducting paint, it is characterised in that be made of in parts by weight following component：Modified graphene
30-50 parts, 10-20 parts of carbon nanotubes, 10-20 parts of metal dust, 50-100 parts of epoxy resin, 1-2 parts of levelling agent, defoamer 1-
2 parts, 1-2 parts of dispersant, 30-60 parts of diluent, 2-3 parts of coupling agent, 1-2 parts of adhesion promoter, metal aligns promotion
1-3 parts of agent.
A kind of 2. modified graphene electrically-conducting paint according to claim 1, it is characterised in that the system of the modified graphene
Preparation Method includes：5-10 parts of graphene oxides, 50-100 parts of concentrated ammonia liquors sonic oscillation 20h at 40 DEG C, then again 80 go from
In sub- water, and ultrasound 60-100min, after obtained graphene oxide dispersion, 5-10 parts of nanometer copper oxide particles are disperseed
Into graphene oxide dispersion, by the protection of inert gas, and ultrasound 30-60min at the temperature at 40-60 DEG C, shape
Into stable nanometer copper oxide-graphene oxide suspension；Above-mentioned nanometer copper oxide-graphene oxide is suspended and was passed through
The modified graphene that calcining forms doping is carried out at 1200-1500 DEG C under inert gas shielding after filter, washing, vacuum drying
Powder.
3. a kind of modified graphene electrically-conducting paint according to claim 1, it is characterised in that the metal dust is silver powder
And/or copper powder, the granularity of the metal dust is 1-10 microns.
4. a kind of modified graphene electrically-conducting paint according to claim 1, it is characterised in that the epoxy resin is water-based
Epoxy emulsion or solvent epoxy varnish.
5. a kind of modified graphene electrically-conducting paint according to claim 1, it is characterised in that the levelling agent is organosilicon
One kind in class levelling agent, acrylic compounds levelling agent, only son's ethers levelling agent.
6. a kind of modified graphene electrically-conducting paint according to claim 1, it is characterised in that the defoamer is organosilicon
One kind in class defoamer, inorganic silicon class defoamer, antifoaming agent of non-silicone.
A kind of 7. modified graphene electrically-conducting paint according to claim 1, it is characterised in that the dispersant for PVP,
One or more in PVA, PEG.
8. a kind of modified graphene electrically-conducting paint according to claim 1, it is characterised in that the diluent is Isosorbide-5-Nitrae-fourth
Hexanediol diglycidyl ether, ethylene glycol diglycidylether, acetone, dimethylbenzene, n-butanol, methyl iso-butyl ketone (MIBK), absolute ethyl alcohol,
One or more in ethyl acetate, butyl acetate.
9. a kind of modified graphene electrically-conducting paint according to claim 1, it is characterised in that the coupling agent is titanate esters
Coupling agent and/or silane coupling agent；The adhesion promoter is aldehyde ketone resin, click is frustrated, styrene-butadiene rubber, butyronitrile
One or several kinds in glue, neoprene are used in mixed way with arbitrary proportion.
10. a kind of preparation method of modified graphene electrically-conducting paint, it is characterised in that comprise the following steps：
（1）Modified graphene and carbon nanotubes are added in portion of diluent, modified graphene-carbon is obtained after ultrasonic 30-60min
Nanotube mixed solution；
（2）Metal dust is added in another part diluent, after 10-20min minutes ultrasonic, then 20-40min is placed, makes gold
Belong to powder wetting and dispersing；
（3）Epoxy resin, defoamer, levelling agent, dispersant, coupling agent and adhesion promoter are uniformly mixed；
（4）Mixture, metal arrangements accelerating agent made from solution made from (1), step (3) are mixed, turned with 1500-2000/
The rotating speed stirring 30mim divided, forms conductive paint base-material；
（5）Obtained conductive paint base-material in step (4) is added in the good metal dust of wetting and dispersing, after stirring evenly, mistake
The sieve of 100-300 mesh, removes impurity, obtains electrically-conducting paint.
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| CN114874478A (en) * | 2022-05-18 | 2022-08-09 | 吉翔宝（太仓）离型材料科技发展有限公司 | Heat-resistant antistatic release film based on flexible graphene |
| CN115558378A (en) * | 2022-10-31 | 2023-01-03 | 上海席亚高分子材料有限公司 | Ultrathin coating conductive coating and preparation method thereof |
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| CN108912607A (en) * | 2018-06-27 | 2018-11-30 | 王丽鹏 | A kind of epoxy graphene oxide film and preparation method thereof |
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| CN114773534A (en) * | 2022-03-24 | 2022-07-22 | 广东邦固化学科技有限公司 | Conductive PUA composite emulsion and preparation method thereof |
| CN114773534B (en) * | 2022-03-24 | 2023-11-07 | 广东邦固化学科技有限公司 | Conductive PUA composite emulsion and preparation method thereof |
| CN114874478A (en) * | 2022-05-18 | 2022-08-09 | 吉翔宝（太仓）离型材料科技发展有限公司 | Heat-resistant antistatic release film based on flexible graphene |
| CN115558378A (en) * | 2022-10-31 | 2023-01-03 | 上海席亚高分子材料有限公司 | Ultrathin coating conductive coating and preparation method thereof |
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Application publication date: 20180413 |