CN112266692A - Graphene low-surface-treatment epoxy thick paste coating - Google Patents
Graphene low-surface-treatment epoxy thick paste coating Download PDFInfo
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- CN112266692A CN112266692A CN202011227567.4A CN202011227567A CN112266692A CN 112266692 A CN112266692 A CN 112266692A CN 202011227567 A CN202011227567 A CN 202011227567A CN 112266692 A CN112266692 A CN 112266692A
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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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- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides a graphene low-surface treatment epoxy thick paste coating, and relates to the technical field of industrial coatings. The graphene low-surface treatment epoxy thick paste coating consists of a component A and a component B in parts by mass; wherein, the component A comprises the following components: 20-25% of epoxy resin, 3-6% of hydrocarbon resin, 10-15% of graphene slurry, 0.1-0.5% of defoaming agent, 0.8-1.5% of thixotropic agent, 10-20% of titanium dioxide, 30-40% of talcum powder, 15-20% of aluminum paste and 10-15% of solvent; wherein, the component B comprises the following components: 90-95% of phenol aldehyde amine resin, 5-10% of epoxy catalyst and 0.5-1% of fumed silica. According to the invention, through reasonably selecting raw materials, the coating is high in solid content and low in solvent, is more environment-friendly and safer, is simpler in construction and wider in application range, and meanwhile, the graphene low-surface treatment modified epoxy thick paste coating contains the aluminum pigment, so that the corrosion resistance of the coating is greatly improved.
Description
Technical Field
The invention relates to the technical field of industrial coatings, in particular to a graphene low-surface-treatment epoxy thick paste coating.
Background
In the electric power industry, the bridge steel constructs, the oil depot, the storage tank, the machine-building equipment, fields such as offshore platform, need to carry out waterproof, anticorrosive to device coating paint, current waterproof anticorrosive paint, traditional thick liquid coating of epoxy, need pass through expensive complicated two ingredient heat pump spraying, it is comparatively inconvenient, construction method is single, the application field scope is less and the solidification of the coating of being not convenient for under the low temperature construction, simultaneously corrosion resistance is high inadequately, and graphite alkene is a neotype two-dimensional nano-material, have high strength, high specific surface area, high conductivity, and characteristics such as excellent corrosion-resistant chemical stability of resisting. The thickness of the sheet layer is extremely thin, and the sheet layer is an ultrathin material with the thickness of only one carbon atom, but is the hardest material so far, so that the sheet layer is widely applied to the fields of reinforced and wear-resistant coatings and the like, great scientific research and practical utilization values are shown, the characteristics of graphene are utilized, the surface treatment is carried out on the graphene, and the effects of corrosion prevention and the like of the coatings can be greatly improved.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the graphene low-surface treatment epoxy mastic coating, which solves the defects and shortcomings in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the graphene low-surface treatment epoxy thick paste coating consists of a component A and a component B in parts by mass;
wherein, the component A comprises the following components: 20-25% of epoxy resin, 3-6% of hydrocarbon resin, 10-15% of graphene slurry, 0.1-0.5% of defoaming agent, 0.8-1.5% of thixotropic agent, 10-20% of titanium dioxide, 30-40% of talcum powder, 15-20% of aluminum paste and 10-15% of solvent;
wherein, the component B comprises the following components: 90-95% of phenol aldehyde amine resin, 5-10% of epoxy catalyst and 0.5-1% of fumed silica.
The preparation method of the graphene low-surface-treatment epoxy mastic coating comprises the following preparation steps:
s1, preparing raw materials which are divided into a component A and a component B;
wherein, the component A is: epoxy resin, hydrocarbon resin, graphene slurry, a defoaming agent, a thixotropic agent, titanium dioxide, talcum powder, aluminum powder slurry and a solvent;
wherein, the component B is: phenolic amine resin, epoxy catalyst and fumed silica.
S2, preparing a component A; adding hydrocarbon resin and partial solvent into the epoxy resin in the component A, and stirring at high speed to form a uniform phase;
s3, adding a defoaming agent and a thixotropic agent into the slurry prepared in the S2, and uniformly stirring to form a uniform phase;
and S4, adding talcum powder and titanium dioxide into the mixed slurry of S3, and dispersing at high speed until the fineness is not more than 60 micrometers.
And S5, adding the aluminum powder slurry, the graphene slurry and the residual solvent into the mixed grinding slurry prepared in the S4, and uniformly stirring at a low speed to obtain the main agent.
S6: preparing a component B: adding an epoxy catalyst into the phenolic aldehyde amine resin and uniformly stirring at a medium speed;
s7: and (4) slowly adding fumed silica into the slurry prepared in the S6 to ensure that the slurry is uniformly dispersed, and finally observing that the slurry is in a transparent state to obtain the curing agent.
And S8, pouring the component A finished product and the component B finished product into a reaction kettle, and uniformly stirring and mixing to obtain the graphene low-surface-treatment epoxy thick paste coating.
(III) advantageous effects
The invention provides a graphene low-surface-treatment epoxy thick paste coating. The method has the following beneficial effects:
1. according to the invention, through reasonably selecting raw materials, the coating has excellent corrosion resistance, and the salt spray resistance can reach more than 3000 h. The graphene material in the graphene low-surface treatment modified epoxy thick paste coating has a labyrinth effect, and a film forming substance produced by a matching reaction in a dry film coating has high compactness, so that the coating has excellent mechanical properties; and the scaly structures of the aluminum pigment are overlapped in parallel and directionally in the paint film, so that the penetration of external corrosive substances is blocked to enhance the corrosion protection, and the corrosion resistance of the paint is greatly improved.
2. According to the invention, the graphene low-surface-treatment epoxy thick paste coating has high solid content and low solvent content, is more environment-friendly and safer; the construction is simple, the spraying, brushing and rolling can be realized, the expensive and complicated double-component heating pump spraying is not needed, and the construction can be realized only by a single-component airless spraying pump; meanwhile, due to the reaction of the special modified epoxy resin and the phenolic aldehyde amine resin, the curing of the coating is slightly influenced when the external temperature is low, and the coating is suitable for construction in a low-temperature (below 10 ℃) environment in winter.
3. The graphene low-surface-treatment epoxy thick paste coating can be widely applied to low-surface-treatment coating construction. For on-site coating construction which can not be subjected to sand blasting and shot blasting, surface rust is removed by using a manual or power tool, ST2 grade can be tolerated for surface treatment, and the paint can be used for various substrates in the field of steel structure anticorrosion maintenance, including steel subjected to spray treatment and water spray treatment, and various intact aging coatings.
Detailed Description
The following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the embodiment of the invention provides a graphene low-surface treatment epoxy thick paste coating, which consists of a component A and a component B in parts by mass;
wherein, the component A comprises the following components: 21% of epoxy resin, 3% of hydrocarbon resin, 10% of graphene slurry, 0.2% of defoaming agent, 0.8% of thixotropic agent, 10% of titanium dioxide, 30% of talcum powder, 15% of aluminum paste and 10% of solvent;
wherein, the component B comprises the following components: 90% of phenolic aldehyde amine resin, 9% of epoxy catalyst and 1% of fumed silica.
The preparation method of the graphene low-surface-treatment epoxy mastic coating comprises the following preparation steps:
s1, preparing raw materials which are divided into a component A and a component B;
wherein, the component A is: epoxy resin, hydrocarbon resin, graphene slurry, a defoaming agent, a thixotropic agent, titanium dioxide, talcum powder, aluminum powder slurry and a solvent;
wherein, the component B is: phenolic amine resin, epoxy catalyst and fumed silica.
S2, preparing a component A; adding hydrocarbon resin and partial solvent into the epoxy resin in the component A, and stirring at high speed to form a uniform phase;
s3, adding a defoaming agent and a thixotropic agent into the slurry prepared in the S2, and uniformly stirring to form a uniform phase;
and S4, adding talcum powder and titanium dioxide into the mixed slurry of S3, and dispersing at high speed until the fineness is not more than 60 micrometers.
And S5, adding the aluminum powder slurry, the graphene slurry and the residual solvent into the mixed grinding slurry prepared in the S4, and uniformly stirring at a low speed to obtain the main agent.
S6: preparing a component B: adding an epoxy catalyst into the phenolic aldehyde amine resin and uniformly stirring at a medium speed;
s7: and (4) slowly adding fumed silica into the slurry prepared in the S6 to ensure that the slurry is uniformly dispersed, and finally observing that the slurry is in a transparent state to obtain the curing agent.
And S8, pouring the component A finished product and the component B finished product into a reaction kettle, and uniformly stirring and mixing to obtain the graphene low-surface-treatment epoxy thick paste coating.
Example two:
the embodiment of the invention provides a graphene low-surface treatment epoxy thick paste coating, which consists of a component A and a component B in parts by mass;
wherein, the component A comprises the following components: 20% of epoxy resin, 3% of hydrocarbon resin, 10% of graphene slurry, 0.5% of defoaming agent, 1.5% of thixotropic agent, 10% of titanium dioxide, 30% of talcum powder, 15% of aluminum paste and 10% of solvent;
wherein, the component B comprises the following components: 92% of phenolic aldehyde amine resin, 7% of epoxy catalyst and 1% of fumed silica.
The preparation method of the graphene low-surface-treatment epoxy mastic coating comprises the following preparation steps:
s1, preparing raw materials which are divided into a component A and a component B;
wherein, the component A is: epoxy resin, hydrocarbon resin, graphene slurry, a defoaming agent, a thixotropic agent, titanium dioxide, talcum powder, aluminum powder slurry and a solvent;
wherein, the component B is: phenolic amine resin, epoxy catalyst and fumed silica.
S2, preparing a component A; adding hydrocarbon resin and partial solvent into the epoxy resin in the component A, and stirring at high speed to form a uniform phase;
s3, adding a defoaming agent and a thixotropic agent into the slurry prepared in the S2, and uniformly stirring to form a uniform phase;
and S4, adding talcum powder and titanium dioxide into the mixed slurry of S3, and dispersing at high speed to the fineness of 60 microns.
And S5, adding the aluminum powder slurry, the graphene slurry and the residual solvent into the mixed grinding slurry prepared in the S4, and uniformly stirring at a low speed to obtain the main agent.
S6: preparing a component B: adding an epoxy catalyst into the phenolic aldehyde amine resin and uniformly stirring at a medium speed;
s7: and (4) slowly adding fumed silica into the slurry prepared in the S6 to ensure that the slurry is uniformly dispersed, and finally observing that the slurry is in a transparent state to obtain the curing agent.
And S8, pouring the component A finished product and the component B finished product into a reaction kettle, and uniformly stirring and mixing to obtain the graphene low-surface-treatment epoxy thick paste coating.
Example three:
the embodiment of the invention provides a graphene low-surface treatment epoxy thick paste coating, which consists of a component A and a component B in parts by mass;
wherein, the component A comprises the following components: 20% of epoxy resin, 3% of hydrocarbon resin, 10% of graphene slurry, 0.6% of defoaming agent, 0.9% of thixotropic agent, 10% of titanium dioxide, 30% of talcum powder, 15% of aluminum paste and 10.5% of solvent;
wherein, the component B comprises the following components: 94% of phenolic aldehyde amine resin, 5.5% of epoxy catalyst and 0.5% of fumed silica.
The preparation method of the graphene low-surface-treatment epoxy mastic coating comprises the following preparation steps:
s1, preparing raw materials which are divided into a component A and a component B;
s1, preparing raw materials which are divided into a component A and a component B;
wherein, the component A is: epoxy resin, hydrocarbon resin, graphene slurry, a defoaming agent, a thixotropic agent, titanium dioxide, talcum powder, aluminum powder slurry and a solvent;
wherein, the component B is: phenolic amine resin, epoxy catalyst and fumed silica.
S2, preparing a component A; adding hydrocarbon resin and partial solvent into the epoxy resin in the component A, and stirring at high speed to form a uniform phase;
s3, adding a defoaming agent and a thixotropic agent into the slurry prepared in the S2, and uniformly stirring to form a uniform phase;
and S4, adding talcum powder and titanium dioxide into the mixed slurry of S3, and dispersing at high speed until the fineness is not more than 60 micrometers.
And S5, adding the aluminum powder slurry, the graphene slurry and the residual solvent into the mixed grinding slurry prepared in the S4, and uniformly stirring at a low speed to obtain the main agent.
S6: preparing a component B: adding an epoxy catalyst into the phenolic aldehyde amine resin and uniformly stirring at a medium speed;
s7: and (4) slowly adding fumed silica into the slurry prepared in the S6 to ensure that the slurry is uniformly dispersed, and finally observing that the slurry is in a transparent state to obtain the curing agent.
And S8, pouring the component A finished product and the component B finished product into a reaction kettle, and uniformly stirring and mixing to obtain the graphene low-surface-treatment epoxy thick paste coating.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. Graphene low-surface treatment epoxy mastic coating is characterized in that: the graphene low-surface treatment epoxy thick paste coating consists of a component A and a component B in parts by mass;
wherein, the component A comprises the following components: 20-25% of epoxy resin, 3-6% of hydrocarbon resin, 10-15% of graphene slurry, 0.1-0.5% of defoaming agent, 0.8-1.5% of thixotropic agent, 10-20% of titanium dioxide, 30-40% of talcum powder, 15-20% of aluminum paste and 10-15% of solvent;
wherein, the component B comprises the following components: 90-95% of phenol aldehyde amine resin, 5-10% of epoxy catalyst and 0.5-1% of fumed silica.
2. The preparation method of the graphene low-surface-treatment epoxy mastic coating is characterized by comprising the following steps of: the preparation method comprises the following preparation steps:
s1, preparing raw materials which are divided into a component A and a component B;
wherein, the component A is: epoxy resin, hydrocarbon resin, graphene slurry, a defoaming agent, a thixotropic agent, titanium dioxide, talcum powder, aluminum powder slurry and a solvent;
wherein, the component B is: phenolic amine resin, epoxy catalyst and fumed silica.
S2, preparing a component A; adding hydrocarbon resin and partial solvent into the epoxy resin in the component A, and stirring at high speed to form a uniform phase;
s3, adding a defoaming agent and a thixotropic agent into the slurry prepared in the S2, and uniformly stirring to form a uniform phase;
and S4, adding talcum powder and titanium dioxide into the mixed slurry of S3, and dispersing at high speed to the fineness of 60 microns.
And S5, adding the aluminum powder slurry, the graphene slurry and the residual solvent into the mixed grinding slurry prepared in the S4, and uniformly stirring at a low speed to obtain the main agent.
S6: preparing a component B: adding an epoxy catalyst into the phenolic aldehyde amine resin and uniformly stirring at a medium speed;
s7: and (4) slowly adding fumed silica into the slurry prepared in the S6 to ensure that the slurry is uniformly dispersed, and finally observing that the slurry is in a transparent state to obtain the curing agent.
And S8, pouring the component A finished product and the component B finished product into a reaction kettle, and uniformly stirring and mixing to obtain the graphene low-surface-treatment epoxy thick paste coating.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011227567.4A CN112266692A (en) | 2020-10-29 | 2020-10-29 | Graphene low-surface-treatment epoxy thick paste coating |
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| CN202011227567.4A CN112266692A (en) | 2020-10-29 | 2020-10-29 | Graphene low-surface-treatment epoxy thick paste coating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114736588A (en) * | 2022-03-31 | 2022-07-12 | 湖南省德谦新材料有限公司 | Epoxy thick paste type coating and preparation method thereof |
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| US20190353550A1 (en) * | 2017-01-06 | 2019-11-21 | Direct-C Limited | Polymeric nanocomposite based sensor and coating systems and their applications |
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| CN110643267A (en) * | 2019-11-11 | 2020-01-03 | 厦门双瑞船舶涂料有限公司 | Thin-coating heavy-duty anticorrosive coating and preparation method thereof |
| CN110669413A (en) * | 2019-11-06 | 2020-01-10 | 中国科学院宁波材料技术与工程研究所 | Thick paste type low-surface treatment moisture curing primer, preparation method and use method thereof |
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2020
- 2020-10-29 CN CN202011227567.4A patent/CN112266692A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20190353550A1 (en) * | 2017-01-06 | 2019-11-21 | Direct-C Limited | Polymeric nanocomposite based sensor and coating systems and their applications |
| CN108707392A (en) * | 2018-06-04 | 2018-10-26 | 北京碧海舟腐蚀防护工业股份有限公司 | Low prepared surface solventless epoxy coating, coating and its application |
| CN110628297A (en) * | 2019-08-01 | 2019-12-31 | 洛阳双瑞防腐工程技术有限公司 | Solvent type epoxy coating with high solid content and salt fog resistance and preparation method thereof |
| CN110669413A (en) * | 2019-11-06 | 2020-01-10 | 中国科学院宁波材料技术与工程研究所 | Thick paste type low-surface treatment moisture curing primer, preparation method and use method thereof |
| CN110643267A (en) * | 2019-11-11 | 2020-01-03 | 厦门双瑞船舶涂料有限公司 | Thin-coating heavy-duty anticorrosive coating and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114736588A (en) * | 2022-03-31 | 2022-07-12 | 湖南省德谦新材料有限公司 | Epoxy thick paste type coating and preparation method thereof |
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