CN110643257A - Preparation method of graphene epoxy ceramic coating - Google Patents
Preparation method of graphene epoxy ceramic coating Download PDFInfo
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- CN110643257A CN110643257A CN201910902720.XA CN201910902720A CN110643257A CN 110643257 A CN110643257 A CN 110643257A CN 201910902720 A CN201910902720 A CN 201910902720A CN 110643257 A CN110643257 A CN 110643257A
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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
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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
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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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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Abstract
The invention discloses a preparation method of graphene epoxy ceramic paint, which is characterized in that graphene slurry is added as a main raw material to prepare the paint easy to wear, meanwhile, a two-dimensional film structure of graphene can form a barrier layer in a coating, the huge specific surface area of the graphene can be tightly combined with other antirust fillers and matrix resin in a paint system, the erosion of corrosive media to a substrate is effectively prevented, and a good anticorrosion effect is achieved.
Description
Technical Field
The invention relates to the technical field of industrial coatings, in particular to a preparation method of a graphene epoxy ceramic coating.
Background
The wear and corrosion are the main causes of failure of mechanical equipment, and domestic statistics shows that the metal wear-resistant material consumed by the wear in China is about 300 ten thousand tons or more every year, and the direct loss caused by the corrosion is 5% of GDP.
The graphene is a novel two-dimensional nano material and has the characteristics of high strength, high specific surface area, high conductivity, excellent chemical stability resistance and the like. The thickness of the sheet layer is extremely thin, the sheet layer is an ultrathin material with the thickness of only one carbon atom, but the sheet layer is the hardest material so far, the sheet layer is more than 100 times of that of steel, the tensile strength is as high as 130GPa, the Young modulus is 1069GPa, and the elastic modulus is 1 TPa. Graphene based on the properties of graphene is widely applied to the fields of reinforced and wear-resistant coatings and the like, shows great scientific research and practical utilization values and utilizes the characteristics of graphene, and can play the roles of effectively preventing static electricity, resisting wear, resisting water, resisting corrosion and the like when added into the coatings.
Disclosure of Invention
The invention aims to provide a preparation method of a graphene epoxy ceramic coating.
The invention adopts the following technical scheme.
The preparation method of the graphene epoxy ceramic coating is characterized by comprising the following steps:
step S1, preparing a raw material, wherein the raw material consists of A, B, C three components;
the component A comprises the following components in parts by weight: 2-4% of a dispersing agent, 0.2-0.3% of a wetting agent, 0.2-0.3% of a defoaming agent, 0.1-0.2% of a multifunctional amine assistant, 65-68% of deionized water, 3-5% of graphene powder, 4-6% of propylene glycol methyl ether and 22-25% of a water-based epoxy curing agent.
The component B comprises the following components in parts by weight: 40-50% of epoxy resin; 5-10% of ethylene glycol diglycidyl ether; 15-20% of first fibers; 15-20% of mica powder; 2-10% of a thickening agent;
the component C comprises the following components in parts by mass: 37-50% of maleic anhydride modified hyperbranched polyamide curing agent; 2-8% of an accelerant; 2-10% of a silane coupling agent; 5-15% of second fibers; 10-20% of mica powder; 2-10% of a thickening agent.
Step S2, preparing component A:
s2.1, uniformly mixing a dispersing agent, a wetting agent, a defoaming agent, a multifunctional amine auxiliary agent and deionized water;
s2.2, dispersing the mixture obtained in the step S2.1 at 1000-1500 r/min, and gradually adding graphene powder in the dispersing process;
step S2.3, grinding the mixture uniformly stirred and dispersed in the step S2.2 to the fineness of less than 60 microns;
s2.4, continuously and sequentially adding propylene glycol methyl ether and a water-based epoxy curing agent into the mixture ground in the step S2.3, and dispersing at 800-1000 r/min after mixing to obtain a component A;
step S3, preparing component B:
s3.1, sequentially adding epoxy resin and ethylene glycol diglycidyl ether into a reaction kettle, and stirring at a rotating speed of 1200-2000 rpm for 1-2 hours at a certain temperature and a vacuum degree of 0.09-0.095 MPa;
step S3.2, adding the first fibers into the mixed solution obtained in the step S3.1, stirring for 15-30 min, and keeping the vacuum degree at 0.09-0.095 MPa;
step S3.3, adding mica powder into the mixed solution obtained in the step S3.2, stirring for 15-30 min, and keeping the vacuum degree at 0.09-0.095 MPa;
step S3.4, adding a thickening agent into the mixed solution obtained in the step S3.3, stirring for 15-20 min, and keeping the vacuum degree at 0.09-0.095 MPa to obtain a component B;
step S4, preparing component C:
s4.1, sequentially adding a maleic anhydride modified hyperbranched polyamide curing agent, an accelerator and a silane coupling agent into a reaction kettle, and stirring at a rotating speed of 1000-2000 rpm for 0.5-2 hours at a certain temperature and with a vacuum degree of 0.09-0.095 MPa;
step S4.2, adding a second fiber into the mixed solution prepared in the step S4.1, stirring for 15-30 min, and keeping the vacuum degree at 0.09-0.095 MPa;
s4.3, adding mica powder into the mixed solution obtained in the step S4.2, stirring for 15-30 min, and keeping the vacuum degree at 0.09-0.095 MPa;
step S4.4, adding a thickening agent into the mixed solution obtained in the step S4.3, stirring for 10-20 min, and keeping the vacuum degree at 0.09-0.095 MPa to obtain a component C;
step S5, mixing A, B, C components to prepare a finished product:
the component A comprises the following components in parts by mass: the component B comprises: and (3) component C is 4-3: 1-2: 1, firstly adding the component A mixed solution prepared in the step S2 into the component B in the step S3, stirring for 0.5-1 h at 1000-2000 r/min, finally adding the component C, and stirring for 0.5-1 h at 1000-2000 r/min to obtain the graphene epoxy ceramic coating.
Further, the first fiber and the second fiber are independently selected from at least one of glass fiber, carbon fiber, silicon carbide fiber and carbon nanotube fiber.
Further, the thickener is at least one of fumed silica and organic bentonite.
The invention has the beneficial effects that: according to the invention, the coating prepared from the graphene is more wear-resistant, meanwhile, the two-dimensional film structure of the graphene can form a barrier layer in the coating, the huge specific surface area of the coating can be tightly combined with other antirust fillers and matrix resin in a coating system, the corrosion of corrosive media on a base material is effectively prevented, and a good anticorrosion effect is achieved.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
The preparation method of the graphene epoxy ceramic coating comprises the following steps:
step S1, preparing a raw material, wherein the raw material consists of A, B, C three components;
the component A comprises the following components in parts by weight: 2% of dispersing agent, 0.2% of wetting agent, 0.2% of defoaming agent, 0.1% of multifunctional amine assistant, 68% of deionized water, 3% of graphene powder, 4% of propylene glycol methyl ether and 22.5% of waterborne epoxy curing agent.
The component B comprises the following components in parts by weight: 40% of epoxy resin; ethylene glycol diglycidyl ether 10%; 20% of a first fiber; 20% of mica powder; 10% of a thickening agent;
the component C comprises the following components in parts by mass: 37% of maleic anhydride modified hyperbranched polyamide curing agent; 8% of an accelerant; 10% of a silane coupling agent; 15% of a second fiber; 20% of mica powder; 10% of thickening agent.
Step S2, preparing component A:
s2.1, uniformly mixing a dispersing agent, a wetting agent, a defoaming agent, a multifunctional amine auxiliary agent and deionized water;
s2.2, dispersing the mixture obtained in the step S2.1 at 1000r/min, and gradually adding graphene powder in the dispersing process;
step S2.3, grinding the mixture uniformly stirred and dispersed in the step S2.2 to the fineness of less than 60 microns;
s2.4, continuously and sequentially adding propylene glycol methyl ether and a water-based epoxy curing agent into the mixture ground in the step S2.3, and dispersing at 800r/min after mixing to obtain a component A;
step S3, preparing component B:
s3.1, sequentially adding epoxy resin and ethylene glycol diglycidyl ether into a reaction kettle, and stirring at a rotation speed of 1200-2000 rpm for 1 hour under a certain temperature and a vacuum degree of 0.09 MPa;
step S3.2, adding the first fibers into the mixed solution obtained in the step S3.1, stirring for 15min, and keeping the vacuum degree at 0.09 MPa;
step S3.3, adding mica powder into the mixed solution obtained in the step S3.2, stirring for 15min, and keeping the vacuum degree at 0.09 MPa;
step S3.4, adding fumed silica into the mixed solution obtained in the step S3.3, stirring for 10min, and keeping the vacuum degree at 0.09MPa to obtain a component B;
step S4, preparing component C:
s4.1, sequentially adding a maleic anhydride modified hyperbranched polyamide curing agent, an accelerator and a silane coupling agent into a reaction kettle, and stirring at a rotating speed of 1000rpm for 0.5 hour under the conditions of keeping the vacuum degree of 0.09MPa at a certain temperature;
step S4.2, adding second fibers into the mixed solution prepared in the step S4.1, stirring for 15min, and keeping the vacuum degree at 0.09 MPa;
s4.3, adding mica powder into the mixed solution obtained in the step S4.2, stirring for 15min, and keeping the vacuum degree at 0.09 MPa;
step S4.4, adding a thickening agent into the mixed solution obtained in the step S4.3, stirring for 10min, and keeping the vacuum degree at 0.09MPa to obtain a component C;
step S5, mixing A, B, C components to prepare a finished product:
the component A comprises the following components in parts by mass: the component B comprises: and the component C is 3: 2: 1, firstly adding the component A mixed solution prepared in the step S2 into the component B in the step S3, stirring for 0.5h at 1000r/min, finally adding the component C, and stirring for 0.5h at 1000r/min to obtain the graphene epoxy ceramic paint.
The first fiber and the second fiber are glass fibers.
Example 2
The preparation method of the graphene epoxy ceramic coating comprises the following steps:
step S1, preparing a raw material, wherein the raw material consists of A, B, C three components;
the component A comprises the following components in parts by weight: 2% of dispersing agent, 0.3% of wetting agent, 0.3% of defoaming agent, 0.2% of multifunctional amine assistant, 65% of deionized water, 5% of graphene powder, 4% of propylene glycol methyl ether and 23.2% of waterborne epoxy curing agent.
The component B comprises the following components in parts by weight: 50% of epoxy resin; ethylene glycol diglycidyl ether 5%; 15% of a first fiber; 20% of mica powder; 10% of a thickening agent;
the component C comprises the following components in parts by mass: 50% of maleic anhydride modified hyperbranched polyamide curing agent; 2% of an accelerant; 8% of a silane coupling agent; 10% of a second fiber; 20% of mica powder; 10% of thickening agent.
Step S2, preparing component A:
s2.1, uniformly mixing a dispersing agent, a wetting agent, a defoaming agent, a multifunctional amine auxiliary agent and deionized water;
s2.2, dispersing the mixture obtained in the step S2.1 at 1000r/min, and gradually adding graphene powder in the dispersing process;
step S2.3, grinding the mixture uniformly stirred and dispersed in the step S2.2 to the fineness of less than 60 microns;
s2.4, continuously and sequentially adding propylene glycol methyl ether and a water-based epoxy curing agent into the mixture ground in the step S2.3, and dispersing at 800r/min after mixing to obtain a component A;
step S3, preparing component B:
s3.1, sequentially adding epoxy resin and ethylene glycol diglycidyl ether into a reaction kettle, and stirring at a rotating speed of 1200rpm for 1 hour under a certain temperature and a vacuum degree of 0.09 MPa;
step S3.2, adding the first fibers into the mixed solution obtained in the step S3.1, stirring for 15min, and keeping the vacuum degree at 0.09 MPa;
step S3.3, adding mica powder into the mixed solution obtained in the step S3.2, stirring for 15min, and keeping the vacuum degree at 0.09 MPa;
step S3.4, adding a thickening agent into the mixed solution obtained in the step S3.3, stirring for 10min, and keeping the vacuum degree at 0.09MPa to obtain a component B;
step S4, preparing component C:
s4.1, sequentially adding a maleic anhydride modified hyperbranched polyamide curing agent, an accelerator and a silane coupling agent into a reaction kettle, and stirring at a rotating speed of 1000rpm for 0.5 hour under the conditions of keeping the vacuum degree of 0.09MPa at a certain temperature;
step S4.2, adding second fibers into the mixed solution prepared in the step S4.1, stirring for 30min, and keeping the vacuum degree at 0.09 MPa;
s4.3, adding mica powder into the mixed solution obtained in the step S4.2, stirring for 15min, and keeping the vacuum degree at 0.09 MPa;
step S4.4, adding a thickening agent into the mixed solution obtained in the step S4.3, stirring for 10min, and keeping the vacuum degree at 0.09MPa to obtain a component C;
step S5, mixing A, B, C components to prepare a finished product:
the component A comprises the following components in parts by mass: the component B comprises: and the component C is 4: 1: 1, firstly adding the component A mixed solution prepared in the step S2 into the component B in the step S3, stirring for 1h at 2000r/min, finally adding the component C, and stirring for 1h at 2000r/min to obtain the graphene epoxy ceramic paint.
The first fiber is carbon fiber, and the second fiber is silicon carbide fiber.
The thickening agent is organic bentonite.
Example 3
The preparation method of the graphene epoxy ceramic coating comprises the following steps:
step S1, preparing a raw material, wherein the raw material consists of A, B, C three components;
the component A comprises the following components in parts by weight: 3% of dispersing agent, 0.2% of wetting agent, 0.3% of defoaming agent, 0.2% of multifunctional amine assistant, 65.3% of deionized water, 4% of graphene powder, 4% of propylene glycol methyl ether and 23% of waterborne epoxy curing agent.
The component B comprises the following components in parts by weight: 45% of epoxy resin; ethylene glycol diglycidyl ether 8%; 18% of a first fiber; 20% of mica powder; 9% of a thickening agent;
the component C comprises the following components in parts by mass: 50% of maleic anhydride modified hyperbranched polyamide curing agent; 8% of an accelerant; 10% of a silane coupling agent; 10% of a second fiber; 15% of mica powder; 7% of thickening agent.
Step S2, preparing component A:
s2.1, uniformly mixing a dispersing agent, a wetting agent, a defoaming agent, a multifunctional amine auxiliary agent and deionized water;
s2.2, dispersing the mixture 1300r/min obtained in the step S2.1, and gradually adding graphene powder in the dispersing process;
step S2.3, grinding the mixture uniformly stirred and dispersed in the step S2.2 to the fineness of less than 60 microns;
s2.4, continuously and sequentially adding propylene glycol methyl ether and a water-based epoxy curing agent into the mixture ground in the step S2.3, and dispersing at 900r/min after mixing to obtain a component A;
step S3, preparing component B:
s3.1, sequentially adding epoxy resin and ethylene glycol diglycidyl ether into a reaction kettle, and stirring at 1600rpm for 1.5 hours at a certain temperature and with the vacuum degree of 0.095 MPa;
step S3.2, adding the first fibers into the mixed solution obtained in the step S3.1, stirring for 20min, and keeping the vacuum degree at 0.095 MPa;
step S3.3, adding mica powder into the mixed solution obtained in the step S3.2, stirring for 20min, and keeping the vacuum degree at 0.095 MPa;
step S3.4, adding a thickening agent into the mixed solution obtained in the step S3.3, stirring for 15min, and keeping the vacuum degree at 0.095MPa to obtain a component B;
step S4, preparing component C:
s4.1, sequentially adding a maleic anhydride modified hyperbranched polyamide curing agent, an accelerator and a silane coupling agent into a reaction kettle, and stirring at a rotating speed of 1500rpm for 1 hour at a certain temperature and a vacuum degree of 0.095 MPa;
step S4.2, adding a second fiber into the mixed solution prepared in the step S4.1, stirring for 20min, and keeping the vacuum degree at 0.095 MPa;
s4.3, adding mica powder into the mixed solution obtained in the step S4.2, stirring for 20min, and keeping the vacuum degree at 0.095 MPa;
step S4.4, adding a thickening agent into the mixed solution obtained in the step S4.3, stirring for 15min, and keeping the vacuum degree at 0.095MPa to obtain a component C;
step S5, mixing A, B, C components to prepare a finished product:
the component A comprises the following components in parts by mass: the component B comprises: the component C is 3.5: 1.5: 1, firstly adding the component A mixed solution prepared in the step S2 into the component B in the step S3, stirring for 0.75h at 1500r/min, finally adding the component C, and stirring for 0.75h at 1500r/min to obtain the graphene epoxy ceramic paint.
The first fiber is glass fiber, and the second fiber is carbon nanotube fiber.
The thickener is organic bentonite.
It is to be noted and understood that various modifications and improvements can be made to the invention described in detail above without departing from the spirit and scope of the invention as claimed. Accordingly, the scope of the claimed subject matter is not limited by any of the specific exemplary teachings provided.
Claims (3)
1. The preparation method of the graphene epoxy ceramic coating is characterized by comprising the following steps:
step S1, preparing a raw material, wherein the raw material consists of A, B, C three components;
the component A comprises the following components in parts by weight: 2-4% of a dispersing agent, 0.2-0.3% of a wetting agent, 0.2-0.3% of a defoaming agent, 0.1-0.2% of a multifunctional amine assistant, 65-68% of deionized water, 3-5% of graphene powder, 4-6% of propylene glycol methyl ether and 22-25% of a water-based epoxy curing agent;
the component B comprises the following components in parts by weight: 40-50% of epoxy resin; 5-10% of ethylene glycol diglycidyl ether; 15-20% of first fibers; 15-20% of mica powder; 2-10% of a thickening agent;
the component C comprises the following components in parts by mass: 37-50% of maleic anhydride modified hyperbranched polyamide curing agent; 2-8% of an accelerant; 2-10% of a silane coupling agent; 5-15% of second fibers; 10-20% of mica powder; 2-10% of a thickening agent;
step S2, preparing component A:
s2.1, uniformly mixing a dispersing agent, a wetting agent, a defoaming agent, a multifunctional amine auxiliary agent and deionized water;
s2.2, dispersing the mixture obtained in the step S2.1 at 1000-1500 r/min, and gradually adding graphene powder in the dispersing process;
step S2.3, grinding the mixture uniformly stirred and dispersed in the step S2.2 to the fineness of less than 60 microns;
s2.4, continuously and sequentially adding propylene glycol methyl ether and a water-based epoxy curing agent into the mixture ground in the step S2.3, and dispersing at 800-1000 r/min after mixing to obtain a component A;
step S3, preparing component B:
s3.1, sequentially adding epoxy resin and ethylene glycol diglycidyl ether into a reaction kettle, and stirring at a rotating speed of 1200-2000 rpm for 1-2 hours at a certain temperature and a vacuum degree of 0.09-0.095 MPa;
step S3.2, adding the first fibers into the mixed solution obtained in the step S3.1, stirring for 15-30 min, and keeping the vacuum degree at 0.09-0.095 MPa;
step S3.3, adding mica powder into the mixed solution obtained in the step S3.2, stirring for 15-30 min, and keeping the vacuum degree at 0.09-0.095 MPa;
step S3.4, adding a thickening agent into the mixed solution obtained in the step S3.3, stirring for 10-20 min, and keeping the vacuum degree at 0.09-0.095 MPa to obtain a component B;
step S4, preparing component C:
s4.1, sequentially adding a maleic anhydride modified hyperbranched polyamide curing agent, an accelerator and a silane coupling agent into a reaction kettle, and stirring at a rotating speed of 1000-2000 rpm for 0.5-2 hours at a certain temperature and with a vacuum degree of 0.09-0.095 MPa;
step S4.2, adding a second fiber into the mixed solution prepared in the step S4.1, stirring for 15-30 min, and keeping the vacuum degree at 0.09-0.095 MPa;
s4.3, adding mica powder into the mixed solution obtained in the step S4.2, stirring for 15-30 min, and keeping the vacuum degree at 0.09-0.095 MPa;
step S4.4, adding a thickening agent into the mixed solution obtained in the step S4.3, stirring for 10-20 min, and keeping the vacuum degree at 0.09-0.095 MPa to obtain a component C;
step S5, mixing A, B, C components to prepare a finished product:
the component A comprises the following components in parts by mass: the component B comprises: and (3) component C is 4-3: 1-2: 1, firstly adding the component A mixed solution prepared in the step S2 into the component B in the step S3, stirring for 0.5-1 h at 1000-2000 r/min, finally adding the component C, and stirring for 0.5-1 h at 1000-2000 r/min to obtain the graphene epoxy ceramic coating.
2. The method for preparing graphene epoxy ceramic paint according to claim 1, wherein the first fiber and the second fiber are independently selected from at least one of glass fiber, carbon fiber, silicon carbide fiber and carbon nanotube fiber.
3. The preparation method of the graphene epoxy ceramic paint according to claim 1, wherein the thickener is at least one of fumed silica and organic bentonite.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109810616A (en) * | 2019-02-02 | 2019-05-28 | 宁夏瑞锦新材料技术有限公司 | A kind of high abrasion epoxy ceramic composite coating and preparation method thereof |
| CN109929384A (en) * | 2019-03-12 | 2019-06-25 | 上海利物盛纳米科技有限公司 | A kind of graphene water-base epoxy electrostatic conductive anticorrosion paint and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109810616A (en) * | 2019-02-02 | 2019-05-28 | 宁夏瑞锦新材料技术有限公司 | A kind of high abrasion epoxy ceramic composite coating and preparation method thereof |
| CN109929384A (en) * | 2019-03-12 | 2019-06-25 | 上海利物盛纳米科技有限公司 | A kind of graphene water-base epoxy electrostatic conductive anticorrosion paint and preparation method thereof |
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Application publication date: 20200103 |