CN107880722A - Graphene synergy epoxy strontium yellow anticorrosive paint and preparation method thereof and application - Google Patents
Graphene synergy epoxy strontium yellow anticorrosive paint and preparation method thereof and application Download PDFInfo
- Publication number
- CN107880722A CN107880722A CN201711224318.8A CN201711224318A CN107880722A CN 107880722 A CN107880722 A CN 107880722A CN 201711224318 A CN201711224318 A CN 201711224318A CN 107880722 A CN107880722 A CN 107880722A
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- graphene
- epoxy
- strontium yellow
- coating
- synergy
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Classifications
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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
-
- 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
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
Abstract
The invention discloses a kind of graphene synergy epoxy strontium yellow anticorrosive paint and preparation method thereof and application, solves the problems, such as the decay resistance deficiency of conventional epoxy strontium yellow coating coating on the metallic substrate, coating of the present invention, including epoxy strontium yellow coating and graphene compounded mix, the epoxy strontium yellow coating includes component A and B component, component A includes epoxy resin, color stuffing and auxiliary agent, and B component includes curing agent, and the mass ratio of the graphene compounded mix and component A is 0.3~6:100, the graphene compounded mix by graphene with blanc fixe is compound obtains.Graphene powder and blanc fixe are combined with each other to obtain graphene compounded mix by the present invention first in preparing, and can solve the problems, such as that graphene powder is easily reunited.Graphene synergy epoxy strontium yellow anticorrosive paint of the present invention, the decay resistance of epoxy strontium yellow coating is effectively improved by the electrochemistry blocking effect of graphene.
Description
Technical field
The present invention relates to anticorrosive paint, and in particular to a kind of graphene synergy epoxy strontium yellow anticorrosive paint and preparation method thereof
And application, belong to corrosion protection of metal surface technical field.
Background technology
Epoxy strontium yellow coating is a kind of conventional Marine Antifouling Paint, is coated on hull surface generally as priming paint, but pass
The antiseptic property of the epoxy strontium yellow coating of system is universal insufficient and has much room for improvement.
Graphene is the two-dimentional carbon nanomaterial with excellent physical and chemical performance newfound in recent years, its big ratio surface
Product, heat/chemical stability and excellent barrier property become the study hotspot of coating high-performance corrosion inhibitor.But
Graphene is dispersed excessively poor in coating, and its high specific surface area, strong Van der Waals force and pi-pi bond effect cause graphene
Easily reunite, not only shielding action can not be produced to corrosive medium, it is also possible to form vapor channel, accelerate hydrone applying
Diffusion rate in layer, reduce the mechanical performance and antiseptic property of coating.
CN103589281A discloses a kind of fire-resistant anticorrosion paint based on graphene and preparation method thereof, the high temperature resistant
Anticorrosive paint is composed of the following components by mass percentage：Epoxy resin 5-60%, polyphenylene sulfide 3-30%, amino resins
3-30%, color stuffing 1-10%, graphene 1-20%, n-butanol 3-50%, defoamer 0.1-0.3%, poly- hydroxy acid sodium salt 0.1-
10%, dibutyl phthalate 0.1-5%, bentonite 0.5-1.0%, levelling agent 0.2-0.5%, the invention by graphene,
Epoxy resin and polyphenylene sulfide are added in n-butanol, 30-180 minutes are stirred by ultrasonic, and add together with other components
It is fully ground into grinder to less than 30 microns, makes graphene full and uniform and other components are mixed, make graphene
Premium properties be not fully exerted.But key component includes epoxy resin, polyphenylene sulfide and amino tree in the invention
Fat, and mainly using the heat-resisting quantity of polyphenylene sulfide, and n-butanol is additionally introduced in preparation process.
CN104109450A discloses a kind of graphene anti-corrosive powder paint, and the mass fraction composition of its each component is：Epoxy resin 25-
70 parts, polyester resin 25-70 parts, titanium dioxide 5-40 parts, barium sulfate 5-40 parts, auxiliary agent 3-10 parts, graphene 0.5-10 parts, remaining
For other color stuffings, the invention powdery paints has excellent antiseptic property, and the upper powder penetration power of powder is good, and surface scratch resistance reaches
To more than 2H.It is direct using graphene in preparation process but key component includes epoxy resin and polyester resin in the invention
Blending is incorporated into epoxy resin, can not improve dispersive property of the graphene in coating by blended under agitation.
The content of the invention
The invention aims to solve the disadvantages mentioned above and deficiency of conventional epoxy strontium yellow coating, there is provided a kind of graphene
Synergy epoxy strontium yellow anticorrosive paint and preparation method thereof and application.
To achieve the above object, a kind of graphene synergy epoxy strontium yellow anticorrosive paint provided by the invention uses following technology
Scheme：
A kind of graphene synergy epoxy strontium yellow anticorrosive paint, including epoxy strontium yellow coating and graphene compounded mix, it is described
Epoxy strontium yellow coating includes component A and B component, and component A includes epoxy resin, color stuffing and auxiliary agent, and B component includes curing agent,
The graphene compounded mix and the mass ratio of component A are 0.3~6:100, the graphene compounded mix is by graphene with sinking
Shallow lake barium sulfate is compound to be obtained.
Preferably, the mass ratio of the graphene and blanc fixe is 1:2~1:10.In certain embodiments, this Shen
Please the mass ratio of graphene and blanc fixe can be 1:3、1:4、1:5、1:6、1:7、1:8 or 1:9, graphene and precipitated sulfur
The mass ratio of sour barium can also be 1:2~1:3、1:2~1:5、1:2~1:7、1:2~1:9、1:3~1:5、1:3~1:7、1:3
~1:9、1:4~1:6、、1:4~1:8、1:5~1:7、1:5~1:9、1:6~1:8、1:6~1:10、1:7~1:9 or 1:8~
1:10 any ranges.
Further preferably, the mass ratio of the graphene and blanc fixe is 1:5.
The color stuffing is strontium yellow, titanium dioxide, aluminum oxide, precipitated calcium carbonate, wollastonite, mineral wool, high territory, quartz
The combination of any one or more in powder, barium sulfate, carbon black etc., those skilled in the art can choose according to being actually needed.
The auxiliary agent be levelling agent, degasser, modifying agent, toughener, antioxidant, accelerator, fluffy powder, dispersant or
One or more combinations in UV absorbers.
The curing agent is polyamide curing agent.
Preferably, the mass ratio of the component A and B component is 6:1.
The present invention, without particularly requiring and limiting, can be existing epoxy strontium yellow coating to epoxy strontium yellow coating.
The present invention is related to the preparation method of graphene synergy epoxy strontium yellow anticorrosive paint on the other hand, and step is as follows：
1) graphene powder and blanc fixe are combined with each other to obtain graphene compounded mix；
2) graphene compounded mix is doped in epoxy strontium yellow coating component A, obtains the epoxy strontium yellow of graphene synergy
Coating component A；
3) the epoxy strontium yellow coating component A of addition graphene that step 2) obtains and B component curing agent are well mixed, obtained
To graphene synergy epoxy strontium yellow anticorrosive paint.
Preferably, the size of the graphene compounded mix is 50~350 mesh.
Preferably, the mode that the graphene compounded mix is doped in coating is ultrasound or high-speed stirred or high energy ball
Mill.
Further preferably, when the graphene compounded mix is doped in coating in a manner of high-speed stirred, high-speed stirred speed
Spend for 300-1200rpm, time 10-24h.
Further preferably, when the graphene compounded mix is doped in coating in a manner of high-energy ball milling, rotational speed of ball-mill is
300-1000rpm, time 10-24h.
It will be appreciated by those skilled in the art that in the preparation process of graphene synergy epoxy strontium yellow anticorrosive paint of the present invention,
Each component is added according to herein described mass ratio.
The invention further relates to the application of graphene synergy epoxy strontium yellow anticorrosive paint, the graphene synergy epoxy strontium yellow is prevented
Rotten coating can be applied to iron and its alloy, aluminium and its alloy and copper and its alloy.
The graphene synergy epoxy strontium yellow anticorrosive paint application process is as follows：
1) by graphene synergy epoxy strontium yellow anticorrosive paint and diluent is added, adjustment viscosity to easy spraying；
2) coating is poured into spray gun, it is 0.3~0.6MPa to ensure spray gun operating pressure, and spray distance is 20-40cm pairs
Substrate is sprayed, and thickness control is at 20~40 μm；
3) the dry 2h or air drying 24h of 80 DEG C ± 5 DEG C of the model sprayed.
It will be appreciated by those skilled in the art that the diluent can be that the epoxy resin such as xylene solvent is normal
Diluent.
Preferably, the mass ratio of the graphene synergy epoxy strontium yellow anticorrosive paint and diluent is 7:3.
The present invention adds graphene compounded mix in epoxy strontium yellow coating, passes through the electrochemistry blocking effect of graphene
Effectively improve the decay resistance of epoxy strontium yellow coating.In addition, blanc fixe is generally used as filler in coating, invention
People by research find by blanc fixe and graphene it is compound after, can be good at solving graphene in coating being difficult to point
Dissipate, the problem of easily reuniting, graphene has been compounded in blanc fixe together with, effectively increase graphene in coating
Dispersiveness, prevent graphene from reuniting.
Brief description of the drawings
Below by accompanying drawing, the present invention will be further described.
Fig. 1 is that salt mist experiment contrasts picture after 1800 hours.
1- did not did any corrosion-resistant stainless steel plate after salt mist experiment；
The coating of 2- comparative examples 1 is after salt mist experiment；
The coating of 3- embodiments 1 is after salt mist experiment；
The coating of 4- embodiments 2 is after salt mist experiment；
The coating of 5- embodiments 3 is after salt mist experiment.
Embodiment
The present invention is described in further detail with reference to embodiments, it should be pointed out that embodiment described below purport
It is being easy to the understanding of the present invention, and is not playing any restriction effect to it.
Comparative example 1：
The present embodiment selects 316 stainless steel plates as metallic substrates.Sandblasting or grinding process are carried out to it first, surface is thick
Rugosity reaches Ra2.5 levels, and surface is cleaned by ultrasonic and wipes oil removing with acetone after processing.
Coating preparation：Weigh 300g epoxies strontium yellow coating component A and 50g B component curing agent is well mixed, and add
150g diluents, adjustment viscosity to easy spraying.
Coating applies (coating is sprayed into 316 treated stainless steel plates)：(1) coating is poured into spray gun, ensures spray gun
Operating pressure is 0.3~0.6MPa, and spray distance is that 20-40cm sprays to substrate, and thickness control is at 20~40 μm；(2)
The dry 2h or air drying 24h of 80 DEG C ± 5 DEG C of the model sprayed.
The model sprayed is put into circulation salt fog cabinet and carries out salt mist experiment.
Embodiment 1
The present embodiment selects 316 stainless steel plates as metallic substrates.Sandblasting or grinding process are carried out to it first, surface is thick
Rugosity reaches Ra2.5 levels.Surface is cleaned by ultrasonic and wipes oil removing with acetone after processing.
The preparation of graphene synergy epoxy strontium yellow anticorrosive paint：
1) 1kg graphene powders and 5kg blanc fixes are combined with each other to obtain graphene compounded mix；
2) 1.5kg epoxies strontium yellow coating component A and 90g graphene compounded mixs are added in planetary high-energy ball mill
Ball milling is carried out, drum's speed of rotation 500rpm, Ball-milling Time 24h, obtains the epoxy strontium yellow coating component A of graphene synergy；
3) the epoxy strontium yellow coating component A and 50g B component curing agent for the addition graphene that 300g steps 2) obtain are weighed
It is well mixed, obtain graphene synergy epoxy strontium yellow anticorrosive paint.
The application of graphene synergy epoxy strontium yellow anticorrosive paint：
1) the 350g graphene synergy epoxy strontium yellow anticorrosive paints for obtaining the present embodiment, 150g diluents are added,
Viscosity is adjusted to easy spraying；
2) coating is poured into spray gun, it is 0.3~0.6MPa to ensure spray gun operating pressure, and spray distance is 20-40cm pairs
Substrate is sprayed, and thickness control is at 20~40 μm.
3) the dry 2h or air drying 24h of 80 DEG C ± 5 DEG C of the model sprayed.
The model sprayed is put into circulation salt fog cabinet and carries out salt mist experiment.
Embodiment 2：
The present embodiment selects 316 stainless steel plates as metallic substrates.Sandblasting or grinding process are carried out to it first, surface is thick
Rugosity reaches Ra2.5 levels.Surface is cleaned by ultrasonic and wipes oil removing with acetone after processing.
The preparation of graphene synergy epoxy strontium yellow anticorrosive paint：
1) 1kg graphene powders and 10kg blanc fixes are combined with each other to obtain graphene compounded mix；
2) 1.5kg epoxies strontium yellow coating component A and 45g graphene compounded mixs are added in planetary high-energy ball mill
Ball milling is carried out, drum's speed of rotation 500rpm, Ball-milling Time 24h, obtains the epoxy strontium yellow coating component A of graphene synergy；
3) the epoxy strontium yellow coating component A and 50g B component curing agent for weighing 300g addition graphenes are well mixed, and are obtained
Graphene synergy epoxy strontium yellow anticorrosive paint.
The application of graphene synergy epoxy strontium yellow anticorrosive paint：
1) the 350g graphene synergy epoxy strontium yellow anticorrosive paints for obtaining the present embodiment, 150g diluents are added,
Viscosity is adjusted to easy spraying；
2) coating is poured into spray gun, it is 0.3~0.6MPa to ensure spray gun operating pressure, and spray distance is 20-40cm pairs
Substrate is sprayed, and thickness control is at 20~40 μm；
3) the dry 2h or air drying 24h of 80 DEG C ± 5 DEG C of the model sprayed.
The model sprayed is put into circulation salt fog cabinet and carries out salt mist experiment.
Embodiment 3：
The present embodiment selects 316 stainless steel plates as metallic substrates.Sandblasting or grinding process are carried out to it first, surface is thick
Rugosity reaches Ra2.5 levels.Surface is cleaned by ultrasonic and wipes oil removing with acetone after processing.
The preparation of graphene synergy epoxy strontium yellow anticorrosive paint：
1) 1kg graphene powders and 2kg blanc fixes are combined with each other to obtain graphene compounded mix；
2) 1.5kg epoxies strontium yellow coating component A and 7.5g graphene compounded mixs are added to planetary high-energy ball mill
Middle carry out ball milling, drum's speed of rotation 500rpm, Ball-milling Time 24h, obtain the epoxy strontium yellow coating A groups of graphene synergy
Point；
3) the epoxy strontium yellow coating component A and 50g B component curing agent for weighing 300g addition graphenes are well mixed, and are obtained
Graphene synergy epoxy strontium yellow anticorrosive paint.
The application of graphene synergy epoxy strontium yellow anticorrosive paint：
1) the 350g graphene synergy epoxy strontium yellow anticorrosive paints for obtaining the present embodiment, 150g diluents are added,
Viscosity is adjusted to easy spraying；
2) coating is poured into spray gun, it is 0.3~0.6MPa to ensure spray gun operating pressure, and spray distance is 20-40cm pairs
Substrate is sprayed, and thickness control is at 20~40 μm；
3) the dry 2h or air drying 24h of 80 DEG C ± 5 DEG C of the model sprayed.
The model sprayed is put into circulation salt fog cabinet and carries out salt mist experiment.
1- did not made any corrosion-resistant stainless steel plate photo after salt mist experiment；
The coating of 2- comparative examples 1 photo after salt mist experiment；
(in order to more intuitively show the present invention, inventor did not simultaneously do one piece after 1800 hours salt mist experiments
Any corrosion-resistant stainless steel plate, it is put into circulation salt fog cabinet and carries out salt mist experiment), as shown in figure 1, not doing any corrosion-resistant wherein
Stainless steel plate 1 is substantially corroded after salt mist experiment；The coating of comparative example 12 and embodiment 1-3 after salt mist experiment
Coating 3,4,5 is compared after salt mist experiment, and comparative example model passes through the salt spray test of 1800 hours, and surface corrosion is very
Seriously, and the specimen surface corrosion condition of embodiment 1~3 is lighter, wherein embodiment 1 is substantially without there is obvious corrosion.This is
Due to being imitated after the addition of the graphene compounded mix with preferable dispersive property by electrochemistry barrier and chloride-penetration resistance
The antiseptic property of epoxy strontium yellow coating should be drastically increased.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (10)
1. a kind of graphene synergy epoxy strontium yellow anticorrosive paint, it is characterised in that compound including epoxy strontium yellow coating and graphene
Filler, the epoxy strontium yellow coating include component A and B component, and the component A includes epoxy resin, color stuffing and auxiliary agent, described
B component includes curing agent, and the mass ratio of the graphene compounded mix and component A is 0.3~6:100, the graphene is compound
Filler by graphene with blanc fixe is compound obtains.
2. graphene synergy epoxy strontium yellow anticorrosive paint according to claim 1, it is characterised in that the graphene and precipitation
The mass ratio of barium sulfate is 1:2~1:10.
3. graphene synergy epoxy strontium yellow anticorrosive paint according to claim 1, it is characterised in that the graphene and precipitation
The mass ratio of barium sulfate is 1:5.
4. according to any one of claims 1 to 3 graphene synergy epoxy strontium yellow anticorrosive paint, it is characterised in that the A groups
Divide and the mass ratio of B component is 6:1.
5. the preparation method of graphene synergy epoxy strontium yellow anticorrosive paint, it is characterised in that step is as follows：
1) graphene powder and blanc fixe are combined with each other to obtain graphene compounded mix；
2) graphene compounded mix is doped in epoxy strontium yellow coating component A, obtains the epoxy strontium yellow coating A of graphene synergy
Component；
3) the epoxy strontium yellow coating component A of addition graphene that step 2) obtains and B component curing agent are well mixed, obtain stone
Black alkene synergy epoxy strontium yellow anticorrosive paint.
6. the preparation method of graphene synergy epoxy strontium yellow anticorrosive paint according to claim 5, it is characterised in that the stone
The size of black alkene compounded mix is 50~350 mesh.
7. the preparation method of graphene synergy epoxy strontium yellow anticorrosive paint according to claim 5, it is characterised in that the stone
The mode that black alkene compounded mix is doped in coating is ultrasound or high-speed stirred or high-energy ball milling.
8. the preparation method of graphene synergy epoxy strontium yellow anticorrosive paint according to claim 7, it is characterised in that the stone
When black alkene compounded mix is doped in coating in a manner of high-speed stirred, high-speed stirred speed is 300-1200rpm, time 10-
24h；When the graphene compounded mix is doped in coating in a manner of high-energy ball milling, rotational speed of ball-mill 300-1000rpm, the time
For 10-24h.
9. the application of graphene synergy epoxy strontium yellow anticorrosive paint, it is characterised in that the graphene synergy epoxy strontium yellow anti-corrosion
Coating can apply to iron and its alloy, aluminium and its alloy and copper and its alloy.
10. the application of graphene synergy epoxy strontium yellow anticorrosive paint according to claim 9, it is characterised in that application process
It is as follows：
1) by graphene synergy epoxy strontium yellow anticorrosive paint and diluent is added, adjustment viscosity to easy spraying；
2) coating is poured into spray gun, it is 0.3~0.6MPa to ensure spray gun operating pressure, and spray distance is 20-40cm to substrate
Sprayed, thickness control is at 20~40 μm；
3) the dry 2h or air drying 24h of 80 DEG C ± 5 DEG C of the model sprayed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711224318.8A CN107880722B (en) | 2017-11-29 | 2017-11-29 | Graphene synergistic epoxy strontium yellow anticorrosive paint and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711224318.8A CN107880722B (en) | 2017-11-29 | 2017-11-29 | Graphene synergistic epoxy strontium yellow anticorrosive paint and preparation method and application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107880722A true CN107880722A (en) | 2018-04-06 |
| CN107880722B CN107880722B (en) | 2020-10-13 |
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| CN109760371A (en) * | 2019-01-25 | 2019-05-17 | 江苏冰溶管业有限公司 | A kind of corrosion-inhibiting coating of three layers of anti-corrosion straight seam welded pipe of clad type |
| CN113913037A (en) * | 2021-11-17 | 2022-01-11 | 特艳新材料(昆山)有限公司 | Preparation method of strontium phosphate yellow |
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| CN109760371A (en) * | 2019-01-25 | 2019-05-17 | 江苏冰溶管业有限公司 | A kind of corrosion-inhibiting coating of three layers of anti-corrosion straight seam welded pipe of clad type |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107880722B (en) | 2020-10-13 |
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