CN109096876A - A kind of anti-corrosion method of graphene preservative and mounting bracket - Google Patents
A kind of anti-corrosion method of graphene preservative and mounting bracket Download PDFInfo
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- CN109096876A CN109096876A CN201810869627.9A CN201810869627A CN109096876A CN 109096876 A CN109096876 A CN 109096876A CN 201810869627 A CN201810869627 A CN 201810869627A CN 109096876 A CN109096876 A CN 109096876A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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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
- C09D7/60—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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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
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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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- Inorganic Chemistry (AREA)
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Abstract
The present invention provides the anti-corrosion method of a kind of graphene preservative and mounting bracket.The graphene preservative can infiltrate through in celluar tissue, and fine and close protective film is formed on the surface of celluar tissue, have good acidproof salt tolerant antiseptic property.The anti-corrosion method of the special signalling arrangement mounting bracket of visitor provided by the invention, cellular zinc-iron alloy layer is first formed in workpiece surface using zincizing anticorrosion process, the spraying graphite alkene preservative in the pressure environment of 0.4-0.6MPa again, make graphene preservative that multiple physical and chemical reaction occur, distribution is overlapped on honeycomb zinc-iron alloy layer and generates labyrinth effect, is filled in the gap of tissue.Graphite ene coatings are evenly distributed, and can keep coating to the extremely low permeability of gas or liquid, effectively block the approach of corrosive medium diffusion.Negative electrode material is added in graphene simultaneously, makes coating that there is self-healing function, even if graphite ene coatings local damage, corrosion can also be effectively suppressed, to realize long-term anti-corrosion.
Description
Technical field
The invention belongs to engineering equipment corrosion-resistant fields, and in particular to the anti-corrosion side of a kind of graphene preservative and mounting bracket
Method.
Background technique
Railway signal indicates the order of train operation and shunting service, with the color of certain objects, shape, position and sound
Deng conveying road conditions, the service condition of rolling stock, travelling facility state and train order etc. in relation to front to railway drivers
The device or equipment of information.Railway signal has just as the knowledge and nervous centralis of people and organizes and directs train operation, guarantees driving
Safety improves conevying efficiency, transmitting running information, improves the effects of driving personnel's working condition.The installation of objective specially signalling arrangement
It usually requires by means of mounting bracket, and the quality of mounting bracket determines the process in the service life and installation that use, existing skill
The mounting bracket of the special signalling arrangement of visitor only considers the convenience of installation in art, does not require efforts and studies the anti-corrosion of mounting bracket
Performance, and common anti-corrosion is that conventional material carries out preservative treatment, can not reach good anti-corrosion effect.
Summary of the invention
In order to solve the Anticorrosion of objective specially signal mounting bracket, the present invention provides a kind of graphene preservative and use
Above-mentioned graphene preservative is to the method for carrying out preservative treatment between installation.The present invention uses zincizing and the dual corrosion-resistant of graphene
Method.
The object of the present invention is to provide a kind of graphene preservatives.
Another object of the present invention provides a kind of anti-corrosion method of mounting bracket.
Goal of the invention according to the present invention, graphene preservative provided by the invention, the group including following weight percent
Point:
Epoxy resin 26~56%, silica 3~5%, modified graphene 0.5~3%, dispersing agent 0.5~1%, oxidation
Zinc 10~15%, aluminium oxide 0.5~3.5%, curing agent 5~10%, surplus are solvent.
Graphene preservative provided by the invention adds suitable graphene, oxygen on the basis of epoxy resin preservative
SiClx, aluminium oxide, zinc oxide and curing agent, dispersing agent, obtained graphene preservative have good anti-corrosion effect, can be very
The good honeycomb that penetrates into also can be in one layer of thin and compact erosion resistant coating of the surface of workpiece formation, and has good weather-proof
Property, there is good patience to acid, salt.
Preferably, the modifying agent of the modified graphene is dodecyl sodium sulfate or neopelex.This hair
The graphene of bright offer is graphene modified, after being modified by above-mentioned modifying agent, the graphene of sheet
Uniformly good it can disperse in a solvent with other components, the preservative ingredient of formation is stablized.
Preferably, the percent by weight of the aluminium oxide is 1-1.5%.
Preferably, the partial size of the silica, zinc oxide and aluminium oxide is 500-800 mesh.
Preferably, the viscosity of the preservative is 13~17Pa.s.
The present invention provides a kind of anti-corrosion method of mounting bracket, the described method comprises the following steps:
(1) mounting bracket workpiece is machined out, then carries out cleaning phosphorating treatment；
(2) zincizing processing is carried out to the mounting bracket that in step (1), phosphorating treatment is crossed, is formed and is closed on mounting bracket surface
Layer gold, the temperature of the zincizing are 380-420 DEG C, and the time of the zincizing is 3-4h；
(3) in step (2), the processed mounting bracket of zincizing carries out spraying above-mentioned graphene preservative, is mixed
Erosion resistant coating is closed, the pressure of the spraying is 0.4-0.6MPa, is then dried, obtains corrosion-resistant mounting bracket.
The ad hoc standby signalling arrangement mounting bracket of visitor first uses zincizing anticorrosion process to form cellular zinc-iron in workpiece surface
Alloy-layer, then the spraying graphite alkene preservative in given process environments, keep graphene preservative generation multiple physical and chemistry anti-
It answers, distribution is overlapped on honeycomb zinc-iron alloy layer and generates labyrinth effect, is filled in the gap of tissue.The distribution of graphite ene coatings
Uniformly, coating can be kept to the extremely low permeability of gas or liquid, effectively block the approach of corrosive medium diffusion.Exist simultaneously
Negative electrode material is added in graphene, makes coating that there is self-healing function, even if graphite ene coatings local damage, corrosion can also be had
Effect inhibits, to realize long-term anti-corrosion.
Preferably, in step (2), the alloy-layer with a thickness of 50-80 μm.The peace that the present invention crosses phosphorating treatment
The workpiece for filling bracket carries out zincizing processing, and zincizing regular hour, zinc essence penetrate into workpiece at a certain temperature, workpiece
Surface forms one layer of cellular alloy-layer, when alloy-layer is with a thickness of 50-80 μm, in subsequent spraying corrosion resistant coating process
In, preservative can effectively penetrate into cellular alloy-layer, and form complete fine and close erosion resistant coating.When the thickness of alloy-layer
Too thin, erosion resistant coating may be discontinuous, and anti-corrosion effect is not good enough, if alloy-layer is blocked up, in subsequent spraying process, preservative is not
The deep layer of honeycomb structure can be completely penetrated.
Preferably, in step (3), it is described mixing erosion resistant coating with a thickness of 80-100 μm.The thickness effect of erosion resistant coating is installed
The antiseptic property of bracket.When preservative infiltrates through cellular alloy-layer to preservative in spraying process, and preservative is closing
The surface of layer gold forms one layer of fine and close erosion resistant coating, therefore on the one hand on the other hand erosion resistant coating is interspersed in the alloy-layer of alloy-layer
Fine and close protecting film is formed over the alloyed layer, and fine and close effective anti-corrosion protection is carried out to workpiece.
Preferably, in step (3), the temperature of the drying is 80-100 DEG C, and the dry time is 20-30min.Invention mentions
The preservative of confession is graphene preservative, can be by graphene preservative using 20-30min dry at a temperature of 80-100 DEG C
Solidification forms one layer of erosion resistant coating securely, continuous, fine and close.
The invention has the benefit that
1. the present invention, which provides a kind of graphene preservative and graphene preservative is used in combination, carries out the special signalling arrangement of visitor
The antisepsis technical method of mounting bracket.Graphene preservative ingredient stable viscosity provided by the invention is low, can specifically press
It is infiltrated through in celluar tissue under power, and fine and close protective film can be formed on the surface of celluar tissue, had good acidproof
Salt resistant character has good anti-corrosion effect.
2. the anti-corrosion method of the special signalling arrangement mounting bracket of visitor provided by the invention, first using zincizing anticorrosion process in workpiece
Surface forms cellular zinc-iron alloy layer, then the spraying graphite alkene preservative in the pressure environment of 0.4-0.6MPa, makes graphite
Multiple physical and chemical reaction occur for alkene preservative, and distribution is overlapped on honeycomb zinc-iron alloy layer and generates labyrinth effect, filling
In the gap of tissue.Graphite ene coatings are evenly distributed, and coating can be kept to the extremely low permeability of gas or liquid, effectively hindered
The approach of corrosive medium diffusion is kept off.Negative electrode material is added in graphene simultaneously, makes coating that there is self-healing function, even if graphite
Ene coatings local damage, corrosion can also be effectively suppressed, to realize long-term anti-corrosion.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Embodiment 1
Graphene preservative, the component including following percent by weight:
Epoxy resin 26%, silica 5%, modified graphene 0.5%, dispersing agent 0.5%, zinc oxide 15%, aluminium oxide
0.5%, curing agent 5%, surplus is etoh solvent, and the modifying agent of the modified graphene is dodecyl sodium sulfate, the stone
The weight ratio of black alkene and dodecyl sodium sulfate is 2:1.The silica, zinc oxide, aluminium oxide uniform particle sizes 500-800
Mesh.The graphene preservative the preparation method comprises the following steps: first modified graphene is added in ethyl alcohol, carry out ultrasonic disperse, then
Epoxy resin is added, stirs evenly, silica, zinc oxide, aluminium oxide is added, stirs evenly, dispersing agent and solidification is then added
Agent, ultrasonic disperse is uniform, obtains graphene preservative.The viscosity of the preservative is 13Pa.s.
The anti-corrosion anti-corrosion of objective specially signalling arrangement mounting bracket, comprising the following steps:
(1) mounting bracket workpiece is machined out, then carries out cleaning phosphorating treatment；
(2) zincizing processing is carried out to the mounting bracket that in step (1), phosphorating treatment is crossed, is formed and is closed on mounting bracket surface
Layer gold, the temperature of the zincizing are 380-385 DEG C, and the time of the zincizing is 4h, the alloy-layer with a thickness of 80 μm；
(3) in step (2), the processed mounting bracket of zincizing carries out spraying above-mentioned graphene preservative, is mixed
Close erosion resistant coating, the pressure of the spraying is 0.6MPa, the erosion resistant coating with a thickness of 100 μm, at being then 80 DEG C in temperature into
Row drying 30min, obtains corrosion-resistant mounting bracket.
Embodiment 2
Graphene preservative, the component including following percent by weight:
Epoxy resin 56%, silica 3%, modified graphene 3%, dispersing agent 1%, zinc oxide 10%, aluminium oxide
3.5%, curing agent 10%, surplus is solvent propyl alcohol, and the modifying agent of the modified graphene is neopelex, described
The weight ratio of graphene and neopelex is 1:1.The silica, zinc oxide, aluminium oxide uniform particle sizes 500-
800 mesh.The graphene preservative the preparation method comprises the following steps: first modified graphene is added in ethyl alcohol, carry out ultrasonic disperse, so
After epoxy resin is added, stir evenly, silica, zinc oxide, aluminium oxide be added, stirs evenly, dispersing agent and solid is then added
Agent, ultrasonic disperse is uniform, obtains graphene preservative.The viscosity of the preservative is 17Pa.s.
The anti-corrosion anti-corrosion of objective specially signalling arrangement mounting bracket, comprising the following steps:
(1) mounting bracket workpiece is machined out, then carries out cleaning phosphorating treatment；
(2) zincizing processing is carried out to the mounting bracket that in step (1), phosphorating treatment is crossed, is formed and is closed on mounting bracket surface
Layer gold, the temperature of the zincizing are 415-420 DEG C, and the time of the zincizing is 3h, the alloy-layer with a thickness of 50 μm；
(3) in step (2), the processed mounting bracket of zincizing carries out spraying above-mentioned graphene preservative, is mixed
Close erosion resistant coating, the pressure of the spraying is 0.4MPa, the erosion resistant coating with a thickness of 80 μm, at being then 100 DEG C in temperature into
Row drying 20min, obtains corrosion-resistant mounting bracket.
Embodiment 3
Graphene preservative, the component including following percent by weight:
Epoxy resin 40%, silica 4%, modified graphene 1.2%, dispersing agent 0.6%, zinc oxide 12%, aluminium oxide
1%, curing agent 6%, surplus is etoh solvent, and the modifying agent of the modified graphene is neopelex, the stone
The weight ratio of black alkene and neopelex is 1:1.The silica, zinc oxide, aluminium oxide uniform particle sizes 500-800
Mesh.The graphene preservative the preparation method comprises the following steps: first modified graphene is added in ethyl alcohol, carry out ultrasonic disperse, then
Epoxy resin is added, stirs evenly, silica, zinc oxide, aluminium oxide is added, stirs evenly, dispersing agent and solidification is then added
Agent, ultrasonic disperse is uniform, obtains graphene preservative.The viscosity of the preservative is 15Pa.s.
The anti-corrosion anti-corrosion of objective specially signalling arrangement mounting bracket, comprising the following steps:
(1) mounting bracket workpiece is machined out, then carries out cleaning phosphorating treatment；
(2) zincizing processing is carried out to the mounting bracket that in step (1), phosphorating treatment is crossed, is formed and is closed on mounting bracket surface
Layer gold, the temperature of the zincizing are 400-405 DEG C, and the time of the zincizing is 3.5h, the alloy-layer with a thickness of 60 μm；
(3) in step (2), the processed mounting bracket of zincizing carries out spraying above-mentioned graphene preservative, is mixed
Close erosion resistant coating, the pressure of the spraying is 0.5MPa, the erosion resistant coating with a thickness of 85 μm, carried out at being then 85 DEG C in temperature
25min is dried, corrosion-resistant mounting bracket is obtained.
Embodiment 4
Graphene preservative, the component including following percent by weight:
Epoxy resin 40%, silica 4%, modified graphene 1.2%, dispersing agent 0.6%, zinc oxide 12%, aluminium oxide
1.5%, curing agent 6%, surplus is etoh solvent, and the modifying agent of the modified graphene is neopelex, described
The weight ratio of graphene and neopelex is 1:1.The silica, zinc oxide, aluminium oxide uniform particle sizes 500-
800 mesh.The graphene preservative the preparation method comprises the following steps: first modified graphene is added in ethyl alcohol, carry out ultrasonic disperse, so
After epoxy resin is added, stir evenly, silica, zinc oxide, aluminium oxide be added, stirs evenly, dispersing agent and solid is then added
Agent, ultrasonic disperse is uniform, obtains graphene preservative.The viscosity of the preservative is 15.5Pa.s.
The anti-corrosion anti-corrosion of objective specially signalling arrangement mounting bracket, comprising the following steps:
(1) mounting bracket workpiece is machined out, then carries out cleaning phosphorating treatment；
(2) zincizing processing is carried out to the mounting bracket that in step (1), phosphorating treatment is crossed, is formed and is closed on mounting bracket surface
Layer gold, the temperature of the zincizing are 400-405 DEG C, and the time of the zincizing is 3.5h, the alloy-layer with a thickness of 60 μm；
(3) in step (2), the processed mounting bracket of zincizing carries out spraying above-mentioned graphene preservative, is mixed
Close erosion resistant coating, the pressure of the spraying is 0.5MPa, the erosion resistant coating with a thickness of 85 μm, carried out at being then 85 DEG C in temperature
25min is dried, corrosion-resistant mounting bracket is obtained.
Test example
Salt spray test and resistance to SO are carried out to the mounting bracket that embodiment 1-4 is obtained according to GB6461-20022Test, protection
The test result of grading is shown in Table 1.Blasting treatment described in table are as follows: under 0.3MPa pressure, 400mm distance, sandblasting 15 seconds.
1 test result of table
It can be seen that the special signal of visitor that preservative combination anti-corrosion method provided by the invention obtains from the test result of table 1
Equipment mounting bracket has good acidproof salt resistant character, and after it have passed through ejection processing, workpiece still has good anti-
Rotten performance, this illustrates that preservative and anti-corrosion method provided by the invention form reliable erosion resistant coating in workpiece surface, even if by
By the destruction of external environment, preservative has the performance of self-regeneration film forming, and erosion resistant coating can still play good anti-corrosion
Effect.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (9)
1. a kind of graphene preservative, which is characterized in that the component including following percent by weight:
Epoxy resin 26~56%, silica 3~5%, modified graphene 0.5~3%, dispersing agent 0.5~1%, zinc oxide 10
~15%, aluminium oxide 0.5~3.5%, curing agent 5~10%, surplus is solvent.
2. graphene preservative according to claim 1, which is characterized in that the modifying agent of the modified graphene is 12
Sodium alkyl sulfonate or neopelex.
3. graphene preservative according to claim 1, which is characterized in that the percent by weight of the aluminium oxide is 1-
1.5%.
4. graphene preservative according to claim 1, which is characterized in that the silica, zinc oxide and aluminium oxide
Partial size is 500-800 mesh.
5. graphene preservative according to claim 1, which is characterized in that the viscosity of the preservative be 13~
17Pa.s。
6. a kind of anti-corrosion method of mounting bracket, which is characterized in that the described method comprises the following steps:
(1) mounting bracket workpiece is machined out, then carries out cleaning phosphorating treatment；
(2) zincizing processing is carried out to the mounting bracket that in step (1), phosphorating treatment is crossed, forms alloy-layer on mounting bracket surface,
The temperature of the zincizing is 380-420 DEG C, and the time of the zincizing is 3-4h；
(3) in step (2), it is anti-that the processed mounting bracket of zincizing carries out any graphene of spraying claim 1-5
Rotten agent obtains mixing erosion resistant coating, and the pressure of the spraying is 0.4-0.6MPa, is then dried, and obtains corrosion-resistant installation branch
Frame.
7. the anti-corrosion method of mounting bracket according to claim 6, which is characterized in that in step (2), the alloy
Layer with a thickness of 50-80 μm.
8. the anti-corrosion method of mounting bracket according to claim 6, which is characterized in that in step (3), the mixing anti-corrosion
Layer with a thickness of 80-100 μm.
9. the anti-corrosion method of mounting bracket according to claim 6, which is characterized in that in step (3), the temperature of the drying
Degree is 80-100 DEG C, and the dry time is 20-30min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810869627.9A CN109096876A (en) | 2018-08-02 | 2018-08-02 | A kind of anti-corrosion method of graphene preservative and mounting bracket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810869627.9A CN109096876A (en) | 2018-08-02 | 2018-08-02 | A kind of anti-corrosion method of graphene preservative and mounting bracket |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676987A (en) * | 2012-05-15 | 2012-09-19 | 广东明阳风电产业集团有限公司 | Anticorrosion protection method for high-speed braking disc of wind generating set |
| CN102775877A (en) * | 2012-07-19 | 2012-11-14 | 洛阳七维防腐工程材料有限公司 | Method for preparing and spaying anticorrosion coating for western wind farm tower |
| CN105419437A (en) * | 2015-12-24 | 2016-03-23 | 中国科学院海洋研究所 | Supporting anti-corrosive coating modified by graphene, preparation and application thereof |
-
2018
- 2018-08-02 CN CN201810869627.9A patent/CN109096876A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676987A (en) * | 2012-05-15 | 2012-09-19 | 广东明阳风电产业集团有限公司 | Anticorrosion protection method for high-speed braking disc of wind generating set |
| CN102775877A (en) * | 2012-07-19 | 2012-11-14 | 洛阳七维防腐工程材料有限公司 | Method for preparing and spaying anticorrosion coating for western wind farm tower |
| CN105419437A (en) * | 2015-12-24 | 2016-03-23 | 中国科学院海洋研究所 | Supporting anti-corrosive coating modified by graphene, preparation and application thereof |
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