CN106010060A - Anti-static graphene coating and preparation method thereof - Google Patents

Anti-static graphene coating and preparation method thereof Download PDF

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CN106010060A
CN106010060A CN201610447055.6A CN201610447055A CN106010060A CN 106010060 A CN106010060 A CN 106010060A CN 201610447055 A CN201610447055 A CN 201610447055A CN 106010060 A CN106010060 A CN 106010060A
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graphene coating
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彭孝茹
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Suzhou Fasite Information Technology Co Ltd
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Suzhou Fasite Information Technology Co Ltd
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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
    • C09D145/00—Coating compositions based on homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic system; Coating compositions based on derivatives of such polymers
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    • 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
    • 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
    • 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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    • 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
    • C09D7/63—Additives non-macromolecular organic
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    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • 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
    • 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
    • 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
    • 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
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The invention discloses an anti-static graphene coating and a preparation method thereof. The coating is prepared from graphene powder, terpene resin, terminal epoxy-based modified polyurethane resin, sodium polyphosphate, zirconium silicate, diboride vanadium, Arabic gum, cyclodextrin, spermol, sodium benzoate, nano attapulgite, dimethyltin bis(isooctylmercaptoacetate)tin, magnesium sulfate, butyl hydroxy anisd, an isobutyl triethoxy silane coupling agent, gamma-mercaptopropyltrimethoxysilane, a flatting agent and a solvent. The surface resistance of the prepared graphene coating is lower than 8*103 omega, the anti-static performance is good, and meanwhile the coating is high in hardness, adhesive force and shock strength, resistant to scratching, long in service life and good in comprehensive performance. Meanwhile, the coating is simple in preparation process, low in the preparation cost and suitable for general application and popularization.

Description

Antistatic Graphene coating and preparation method thereof
Technical field
The invention belongs to technical field of coatings, be specifically related to antistatic Graphene coating and preparation method thereof.
Background technology
It is found that by carbon atom from British scientist in 2004 with sp2The monoatomic layer that hydridization connects is constituted, its basic structural unit has been in organic material since most stable of hexatomic ring New Two Dimensional atomic crystal-Graphene, Graphene, because of its good wear-resisting scratch resistance, antistatic, conduction, antibacterial and mouldproof, ultraviolet-resistent property, anti-flammability etc., obtains a wide range of applications in fields such as integrated circuit, transistor, Heat Conduction Material/thermal interfacial material, ultracapacitor, energy storage material, anti-biotic material, reinforcing material, anticorrosive paints.
Electrostatic is the phenomenon of a kind of accumulation due to generations such as contact or frictions, in daily life, owing to weather, environment, physical influence can produce electrostatic, and the existence of electrostatic can bring signal or stability influence to electronic device, even resulting in instrument failure, more serious also can cause the serious harms such as burning or blast.Anti-static coatings is to have conduction and get rid of the functional coating of accumulation electrostatic charge ability, not only has the basic function of decoration, also has anti-static function, receives much concern in many fields.But, most anti-static coatings the most on the market add metal and metal based compound, and its cost of manufacture is the highest, and complex process, it being also easy to corrosion simultaneously, these limit the range of application of anti-static coatings the most to a certain extent.
Summary of the invention
At least one of present invention prior art problem to be solved, it is provided that antistatic Graphene coating and preparation method thereof.
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions:
Antistatic Graphene coating, component including following parts by weight: Graphene powder 7-15 part, terpene resin 24-32 part, epoxy terminated modified polyurethane resin 16-28 part, sodium polyphosphate 4-9 part, Zirconium orthosilicate. 2-5 part, vanadium diboride 3-6 part, Radix Acaciae senegalis 2-5 part, cyclodextrin 2-6 part, spermol 1-5 part, sodium benzoate 3-6 part, nano-attapulgite 4-8 part, dimethyl dimercapto 2-ethyl hexyl ethanoate stannum 1-4 part, magnesium sulfate 3-7 part, Butylated hydroxyanisole 4-9 part, isobutyl triethoxy silane coupling agent 1-5 part, γ-mercaptopropyl trimethoxysilane 2-6 part, levelling agent 4-7 part, solvent 60-100 part；
Described solvent includes that mass ratio is the ethanol of 1-4:2-5:0.5-2:1-3, isopropanol, butyl acetate and N,N-dimethylformamide.
Preferably, described antistatic Graphene coating, component including following parts by weight: 13 parts of Graphene powder, terpene resin 28 parts, epoxy terminated modified polyurethane resin 19 parts, sodium polyphosphate 7 parts, Zirconium orthosilicate. 3 parts, vanadium diboride 4 parts, Radix Acaciae senegalis 3 parts, cyclodextrin 5 parts, spermol 2 parts, sodium benzoate 3 parts, nano-attapulgite 6 parts, 2 parts of dimethyl dimercapto 2-ethyl hexyl ethanoate stannum, 4 parts of magnesium sulfate, Butylated hydroxyanisole 5 parts, isobutyl triethoxy silane coupling agent 3.8 parts, γ-mercaptopropyl trimethoxysilane 5 parts, levelling agent 4 parts, solvent 78 parts.
Preferably, described levelling agent is acrylic acid levelling agent or organosilicon levelling agent.
Preferably, described solvent includes that mass ratio is the ethanol of 2:3:1:2, isopropanol, butyl acetate and DMF.
The preparation method of above-mentioned antistatic Graphene coating, comprises the following steps:
(1), after first Graphene powder and DMF being mixed, ultrasonic disperse is uniform, add the mixing of isobutyl triethoxy silane coupling agent, ultrasonic disperse 5-15 minute, then control system temperature and be 60-80 DEG C, react 8-16 hour, be cooled to room temperature and prepare modified graphene dispersion liquid；
(2) terpene resin, epoxy terminated modified polyurethane resin are added in agitator tank, be warming up to 50-70 DEG C, stir 15-30 minute with the speed of 500-1200 rev/min；It is subsequently adding isopropanol and butyl acetate, stirs 30 minutes with the speed of 650 revs/min, prepare mixed liquor A；
(3) by γ-mercaptopropyl trimethoxysilane and ethanol mix homogeneously, it is subsequently adding sodium polyphosphate, Zirconium orthosilicate., vanadium diboride, nano-attapulgite, ultrasonic disperse is put in homogenizer after 30 minutes together with modified graphene dispersion liquid, mixed liquor A, stirs 10-35 minute with the speed of 700-1200 rev/min；
(4) in above-mentioned homogenizer, add sodium benzoate, dimethyl dimercapto 2-ethyl hexyl ethanoate stannum, magnesium sulfate and Butylated hydroxyanisole, stir 15-35 minute with the speed of 1000-1500 rev/min；
(5) adding Radix Acaciae senegalis, cyclodextrin, spermol and levelling agent, stir 20-35 minute with the speed of 300-600 rev/min, grind, froth breaking i.e. obtains antistatic Graphene coating.
Preferably, in step (1), ultrasonic disperse 12 minutes, then controlling system temperature is 75 DEG C, reacts 10 hours.
Preferably, in step (2), it is warming up to 58 DEG C, stirs 28 minutes with the speed of 700 revs/min.
Preferably, in step (3), stir 25 minutes with the speed of 900 revs/min；In step (4), stir 18 minutes with the speed of 1300 revs/min；In step (5), stir 25 minutes with the speed of 400 revs/min.
Owing to have employed above technical scheme, the present invention compared with prior art has the advantages that
The sheet resistance of Graphene coating prepared by the present invention is less than 8 × 103Ω, antistatic property is good, and hardness is high simultaneously, adhesive force is strong, excellent in cushion effect, and scratch resistance, service life is long, and combination property is good；Preparation technology is simple simultaneously, and cost of manufacture is relatively low, is suitable for popularity application.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail.Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
Embodiment 1
Antistatic Graphene coating, including the component of following parts by weight: 7 parts of Graphene powder, terpene resin 24 parts, epoxy terminated modified polyurethane resin 16 parts, sodium polyphosphate 4 parts, Zirconium orthosilicate. 2 parts, vanadium diboride 3 parts, Radix Acaciae senegalis 2 parts, cyclodextrin 2 parts, spermol 1 part, sodium benzoate 3 parts, nano-attapulgite 4 parts, 1 part of dimethyl dimercapto 2-ethyl hexyl ethanoate stannum, 3 parts of magnesium sulfate, Butylated hydroxyanisole 4 parts, isobutyl triethoxy silane coupling agent 1 part, γ-mercaptopropyl trimethoxysilane 2 parts, acrylic acid levelling agent 4 parts, solvent 60 parts；
Described solvent includes that mass ratio is the ethanol of 1:2:0.5:1, isopropanol, butyl acetate and N,N-dimethylformamide.
The preparation method of above-mentioned antistatic Graphene coating, comprises the following steps:
(1), after first Graphene powder and DMF being mixed, ultrasonic disperse is uniform, adding the mixing of isobutyl triethoxy silane coupling agent, ultrasonic disperse 5-15 minute, then controlling system temperature is 60 DEG C, react 8 hours, be cooled to room temperature and prepare modified graphene dispersion liquid；
(2) terpene resin, epoxy terminated modified polyurethane resin are added in agitator tank, be warming up to 50 DEG C, stir 30 minutes with the speed of 500 revs/min；It is subsequently adding isopropanol and butyl acetate, stirs 30 minutes with the speed of 650 revs/min, prepare mixed liquor A；
(3) by γ-mercaptopropyl trimethoxysilane and ethanol mix homogeneously, it is subsequently adding sodium polyphosphate, Zirconium orthosilicate., vanadium diboride, nano-attapulgite, ultrasonic disperse is put in homogenizer after 30 minutes together with modified graphene dispersion liquid, mixed liquor A, stirs 35 minutes with the speed of 700 revs/min；
(4) in above-mentioned homogenizer, add sodium benzoate, dimethyl dimercapto 2-ethyl hexyl ethanoate stannum, magnesium sulfate and Butylated hydroxyanisole, stir 15 minutes with the speed of 1000 revs/min；
(5) adding Radix Acaciae senegalis, cyclodextrin, spermol and levelling agent, stir 20 minutes with the speed of 300 revs/min, grind, froth breaking i.e. obtains antistatic Graphene coating.
Embodiment 2
Antistatic Graphene coating, including the component of following parts by weight: 15 parts of Graphene powder, terpene resin 32 parts, epoxy terminated modified polyurethane resin 28 parts, sodium polyphosphate 9 parts, Zirconium orthosilicate. 5 parts, vanadium diboride 6 parts, Radix Acaciae senegalis 5 parts, cyclodextrin 6 parts, spermol 5 parts, sodium benzoate 6 parts, nano-attapulgite 8 parts, 4 parts of dimethyl dimercapto 2-ethyl hexyl ethanoate stannum, 7 parts of magnesium sulfate, Butylated hydroxyanisole 9 parts, isobutyl triethoxy silane coupling agent 5 parts, γ-mercaptopropyl trimethoxysilane 6 parts, organosilicon levelling agent 7 parts, solvent 100 parts；
Described solvent includes that mass ratio is the ethanol of 4:5:2:3, isopropanol, butyl acetate and N,N-dimethylformamide.
The preparation method of above-mentioned antistatic Graphene coating, comprises the following steps:
(1), after first Graphene powder and DMF being mixed, ultrasonic disperse is uniform, adding the mixing of isobutyl triethoxy silane coupling agent, ultrasonic disperse 15 minutes, then controlling system temperature is 80 DEG C, react 16 hours, be cooled to room temperature and prepare modified graphene dispersion liquid；
(2) terpene resin, epoxy terminated modified polyurethane resin are added in agitator tank, be warming up to 70 DEG C, stir 15 minutes with the speed of 1200 revs/min；It is subsequently adding isopropanol and butyl acetate, stirs 30 minutes with the speed of 650 revs/min, prepare mixed liquor A；
(3) by γ-mercaptopropyl trimethoxysilane and ethanol mix homogeneously, it is subsequently adding sodium polyphosphate, Zirconium orthosilicate., vanadium diboride, nano-attapulgite, ultrasonic disperse is put in homogenizer after 30 minutes together with modified graphene dispersion liquid, mixed liquor A, stirs 10 minutes with the speed of 1200 revs/min；
(4) in above-mentioned homogenizer, add sodium benzoate, dimethyl dimercapto 2-ethyl hexyl ethanoate stannum, magnesium sulfate and Butylated hydroxyanisole, stir 35 minutes with the speed of 1500 revs/min；
(5) adding Radix Acaciae senegalis, cyclodextrin, spermol and levelling agent, stir 35 minutes with the speed of 600 revs/min, grind, froth breaking i.e. obtains antistatic Graphene coating.
Embodiment 3
Antistatic Graphene coating, component including following parts by weight: 11 parts of Graphene powder, terpene resin 28 parts, epoxy terminated modified polyurethane resin 22 parts, sodium polyphosphate 6 parts, Zirconium orthosilicate. 3.5 parts, vanadium diboride 4.5 parts, Radix Acaciae senegalis 3.5 parts, cyclodextrin 4 parts, spermol 3 parts, sodium benzoate 4 parts, nano-attapulgite 6 parts, 2.5 parts of dimethyl dimercapto 2-ethyl hexyl ethanoate stannum, 5 parts of magnesium sulfate, Butylated hydroxyanisole 6 parts, isobutyl triethoxy silane coupling agent 3 parts, γ-mercaptopropyl trimethoxysilane 4 parts, acrylic acid levelling agent 5 parts, solvent 80 parts；
Described solvent includes that mass ratio is the ethanol of 2.5:3.5:1.2:2, isopropanol, butyl acetate and N,N-dimethylformamide.
The preparation method of above-mentioned antistatic Graphene coating, comprises the following steps:
(1), after first Graphene powder and DMF being mixed, ultrasonic disperse is uniform, adding the mixing of isobutyl triethoxy silane coupling agent, ultrasonic disperse 10 minutes, then controlling system temperature is 70 DEG C, react 12 hours, be cooled to room temperature and prepare modified graphene dispersion liquid；
(2) terpene resin, epoxy terminated modified polyurethane resin are added in agitator tank, be warming up to 60 DEG C, stir 22 minutes with the speed of 850 revs/min；It is subsequently adding isopropanol and butyl acetate, stirs 30 minutes with the speed of 650 revs/min, prepare mixed liquor A；
(3) by γ-mercaptopropyl trimethoxysilane and ethanol mix homogeneously, it is subsequently adding sodium polyphosphate, Zirconium orthosilicate., vanadium diboride, nano-attapulgite, ultrasonic disperse is put in homogenizer after 30 minutes together with modified graphene dispersion liquid, mixed liquor A, stirs 22 minutes with the speed of 950 revs/min；
(4) in above-mentioned homogenizer, add sodium benzoate, dimethyl dimercapto 2-ethyl hexyl ethanoate stannum, magnesium sulfate and Butylated hydroxyanisole, stir 22 minutes with the speed of 1250 revs/min；
(5) adding Radix Acaciae senegalis, cyclodextrin, spermol and levelling agent, stir 27 minutes with the speed of 450 revs/min, grind, froth breaking i.e. obtains antistatic Graphene coating.
Embodiment 4
Antistatic Graphene coating, including the component of following parts by weight: 13 parts of Graphene powder, terpene resin 28 parts, epoxy terminated modified polyurethane resin 19 parts, sodium polyphosphate 7 parts, Zirconium orthosilicate. 3 parts, vanadium diboride 4 parts, Radix Acaciae senegalis 3 parts, cyclodextrin 5 parts, spermol 2 parts, sodium benzoate 3 parts, nano-attapulgite 6 parts, 2 parts of dimethyl dimercapto 2-ethyl hexyl ethanoate stannum, 4 parts of magnesium sulfate, Butylated hydroxyanisole 5 parts, isobutyl triethoxy silane coupling agent 3.8 parts, γ-mercaptopropyl trimethoxysilane 5 parts, organosilicon levelling agent 4 parts, solvent 78 parts；
Described solvent includes that mass ratio is the ethanol of 2:3:1:2, isopropanol, butyl acetate and N,N-dimethylformamide.
The preparation method of above-mentioned antistatic Graphene coating, comprises the following steps:
(1), after first Graphene powder and DMF being mixed, ultrasonic disperse is uniform, adding the mixing of isobutyl triethoxy silane coupling agent, ultrasonic disperse 12 minutes, then controlling system temperature is 75 DEG C, react 10 hours, be cooled to room temperature and prepare modified graphene dispersion liquid；
(2) terpene resin, epoxy terminated modified polyurethane resin are added in agitator tank, be warming up to 58 DEG C, stir 28 minutes with the speed of 700 revs/min；It is subsequently adding isopropanol and butyl acetate, stirs 30 minutes with the speed of 650 revs/min, prepare mixed liquor A；
(3) by γ-mercaptopropyl trimethoxysilane and ethanol mix homogeneously, it is subsequently adding sodium polyphosphate, Zirconium orthosilicate., vanadium diboride, nano-attapulgite, ultrasonic disperse is put in homogenizer after 30 minutes together with modified graphene dispersion liquid, mixed liquor A, stirs 25 minutes with the speed of 900 revs/min；
(4) in above-mentioned homogenizer, add sodium benzoate, dimethyl dimercapto 2-ethyl hexyl ethanoate stannum, magnesium sulfate and Butylated hydroxyanisole, stir 18 minutes with the speed of 1300 revs/min；
(5) adding Radix Acaciae senegalis, cyclodextrin, spermol and levelling agent, stir 25 minutes with the speed of 400 revs/min, grind, froth breaking i.e. obtains antistatic Graphene coating.
Embodiment 5
Antistatic Graphene coating, including the component of following parts by weight: 9 parts of Graphene powder, terpene resin 26 parts, epoxy terminated modified polyurethane resin 19 parts, sodium polyphosphate 8 parts, Zirconium orthosilicate. 4 parts, vanadium diboride 5 parts, Radix Acaciae senegalis 4 parts, cyclodextrin 6 parts, spermol 3 parts, sodium benzoate 4 parts, nano-attapulgite 6 parts, 2 parts of dimethyl dimercapto 2-ethyl hexyl ethanoate stannum, 6 parts of magnesium sulfate, Butylated hydroxyanisole 7 parts, isobutyl triethoxy silane coupling agent 4 parts, γ-mercaptopropyl trimethoxysilane 5 parts, acrylic acid levelling agent 6 parts, solvent 95 parts；
Described solvent includes that mass ratio is the ethanol of 2.8:3.6:1.3:1.5, isopropanol, butyl acetate and N,N-dimethylformamide.
The preparation method of above-mentioned antistatic Graphene coating, comprises the following steps:
(1), after first Graphene powder and DMF being mixed, ultrasonic disperse is uniform, adding the mixing of isobutyl triethoxy silane coupling agent, ultrasonic disperse 12 minutes, then controlling system temperature is 68 DEG C, react 14 hours, be cooled to room temperature and prepare modified graphene dispersion liquid；
(2) terpene resin, epoxy terminated modified polyurethane resin are added in agitator tank, be warming up to 55 DEG C, stir 25 minutes with the speed of 800 revs/min；It is subsequently adding isopropanol and butyl acetate, stirs 30 minutes with the speed of 650 revs/min, prepare mixed liquor A；
(3) by γ-mercaptopropyl trimethoxysilane and ethanol mix homogeneously, it is subsequently adding sodium polyphosphate, Zirconium orthosilicate., vanadium diboride, nano-attapulgite, ultrasonic disperse is put in homogenizer after 30 minutes together with modified graphene dispersion liquid, mixed liquor A, stirs 24 minutes with the speed of 850 revs/min；
(4) in above-mentioned homogenizer, add sodium benzoate, dimethyl dimercapto 2-ethyl hexyl ethanoate stannum, magnesium sulfate and Butylated hydroxyanisole, stir 20 minutes with the speed of 1100 revs/min；
(5) adding Radix Acaciae senegalis, cyclodextrin, spermol and levelling agent, stir 25 minutes with the speed of 400 revs/min, grind, froth breaking i.e. obtains antistatic Graphene coating.
Comparative example 1
This comparative example is same as in Example 1, and difference is: without Zirconium orthosilicate., vanadium diboride and Butylated hydroxyanisole.
Comparative example 2
This comparative example is same as in Example 1, and difference is: without sodium polyphosphate, magnesium sulfate and spermol.
Performance test
Graphene coating prepared by each embodiment agent comparative example is coated in PET base material, carries out correlated performance test, and its test result see table shown:
Sheet resistance/Ω Adhesive force grade (draws circle method) Impact strength/kg cm Hardness
Embodiment 1 7.6×103 0 43 3H
Embodiment 2 5.8×103 0 48 3H
Embodiment 3 4.1×103 0 46 3H
Embodiment 4 3.2×103 0 52 3H
Embodiment 5 4.7×103 0 47 3H
Comparative example 1 6.3×105 1 38 2H
Comparative example 2 9.1×104 2 32 3H
As seen from the above table, the sheet resistance of the Graphene coating that prepared by the present invention is less than 8 × 103Ω, antistatic property is good, and hardness is high simultaneously, adhesive force is strong, excellent in cushion effect, and scratch resistance, service life is long, and combination property is good；Preparation technology is simple simultaneously, and cost of manufacture is relatively low, is suitable for popularity application.

Claims (8)

1. antistatic Graphene coating, it is characterized in that, component including following parts by weight: Graphene powder 7-15 part, terpene resin 24-32 part, epoxy terminated modified polyurethane resin 16-28 part, sodium polyphosphate 4-9 part, Zirconium orthosilicate. 2-5 part, vanadium diboride 3-6 part, Radix Acaciae senegalis 2-5 part, cyclodextrin 2-6 part, spermol 1-5 part, sodium benzoate 3-6 part, nano-attapulgite 4-8 part, dimethyl dimercapto 2-ethyl hexyl ethanoate stannum 1-4 part, magnesium sulfate 3-7 part, Butylated hydroxyanisole 4-9 part, isobutyl triethoxy silane coupling agent 1-5 part, γ-mercaptopropyl trimethoxysilane 2-6 part, levelling agent 4-7 part, solvent 60-100 part；
Described solvent includes that mass ratio is the ethanol of 1-4:2-5:0.5-2:1-3, isopropanol, butyl acetate and N,N-dimethylformamide.
2. antistatic Graphene coating as claimed in claim 1, it is characterized in that, component including following parts by weight: 13 parts of Graphene powder, terpene resin 28 parts, epoxy terminated modified polyurethane resin 19 parts, sodium polyphosphate 7 parts, Zirconium orthosilicate. 3 parts, vanadium diboride 4 parts, Radix Acaciae senegalis 3 parts, cyclodextrin 5 parts, spermol 2 parts, sodium benzoate 3 parts, nano-attapulgite 6 parts, 2 parts of dimethyl dimercapto 2-ethyl hexyl ethanoate stannum, 4 parts of magnesium sulfate, Butylated hydroxyanisole 5 parts, isobutyl triethoxy silane coupling agent 3.8 parts, γ-mercaptopropyl trimethoxysilane 5 parts, levelling agent 4 parts, solvent 78 parts.
3. antistatic Graphene coating as claimed in claim 1, it is characterised in that described levelling agent is acrylic acid levelling agent or organosilicon levelling agent.
4. antistatic Graphene coating as claimed in claim 1, it is characterised in that described solvent includes that mass ratio is the ethanol of 2:3:1:2, isopropanol, butyl acetate and DMF.
5. the preparation method of the antistatic Graphene coating as described in Claims 1-4 any one, it is characterised in that comprise the following steps:
(1), after first Graphene powder and DMF being mixed, ultrasonic disperse is uniform, add the mixing of isobutyl triethoxy silane coupling agent, ultrasonic disperse 5-15 minute, then control system temperature and be 60-80 DEG C, react 8-16 hour, be cooled to room temperature and prepare modified graphene dispersion liquid；
(2) terpene resin, epoxy terminated modified polyurethane resin are added in agitator tank, be warming up to 50-70 DEG C, stir 15-30 minute with the speed of 500-1200 rev/min；It is subsequently adding isopropanol and butyl acetate, stirs 30 minutes with the speed of 650 revs/min, prepare mixed liquor A；
(3) by γ-mercaptopropyl trimethoxysilane and ethanol mix homogeneously, it is subsequently adding sodium polyphosphate, Zirconium orthosilicate., vanadium diboride, nano-attapulgite, ultrasonic disperse is put in homogenizer after 30 minutes together with modified graphene dispersion liquid, mixed liquor A, stirs 10-35 minute with the speed of 700-1200 rev/min；
(4) in above-mentioned homogenizer, add sodium benzoate, dimethyl dimercapto 2-ethyl hexyl ethanoate stannum, magnesium sulfate and Butylated hydroxyanisole, stir 15-35 minute with the speed of 1000-1500 rev/min；
(5) adding Radix Acaciae senegalis, cyclodextrin, spermol and levelling agent, stir 20-35 minute with the speed of 300-600 rev/min, grind, froth breaking i.e. obtains antistatic Graphene coating.
6. the preparation method of antistatic Graphene coating as claimed in claim 5, it is characterised in that in step (1), ultrasonic disperse 12 minutes, then controlling system temperature is 75 DEG C, reacts 10 hours.
7. the preparation method of antistatic Graphene coating as claimed in claim 5, it is characterised in that in step (2), be warming up to 58 DEG C, stir 28 minutes with the speed of 700 revs/min.
8. the preparation method of antistatic Graphene coating as claimed in claim 5, it is characterised in that in step (3), stir 25 minutes with the speed of 900 revs/min；In step (4), stir 18 minutes with the speed of 1300 revs/min；In step (5), stir 25 minutes with the speed of 400 revs/min.
CN201610447055.6A 2016-06-21 2016-06-21 Anti-static graphene coating and preparation method thereof Pending CN106010060A (en)

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