CN107793884A - A kind of graphene anticorrosive paint and preparation method - Google Patents
A kind of graphene anticorrosive paint and preparation method Download PDFInfo
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- CN107793884A CN107793884A CN201710923634.8A CN201710923634A CN107793884A CN 107793884 A CN107793884 A CN 107793884A CN 201710923634 A CN201710923634 A CN 201710923634A CN 107793884 A CN107793884 A CN 107793884A
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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
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/106—Anti-corrosive paints containing metal dust containing Zn
-
- 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
- C08K3/08—Metals
- C08K2003/0893—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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of graphene anticorrosive paint and preparation method thereof.A kind of preparation method of graphene anticorrosive paint includes step：Added after S1, graphene dispersion：Graphene, reactive diluent, coupling agent and dispersant；Epoxy resin, curing agent, zinc powder, filler and auxiliary agent are added into S2, stirring；S3, tool mixer are stirred, and are added zirconium pearl and are ground；S4, resin and curing agent be sufficiently mixed, sprayed after adjusting viscosity.A kind of graphene anticorrosive paint, it proportionally includes：Graphene, reactive diluent, dispersant, epoxy resin, curing agent, zinc powder, filler, auxiliary agent and coupling agent.The present invention has that technique is simple, can heat conductivility, viscous force more strengthens, performance more stable the advantages of very product price is low.
Description
Technical field
The present invention relates to a kind of graphene anticorrosive paint and preparation method.
Background technology
In recent years, the research of anticorrosive paint is very rapid, on the basis of traditional conventional anticorrosive paint, investigated
The kind of numerous excellent performances, wherein epoxy zinc-enriched paint are one of maximum product of dosage, and epoxy zinc-enriched paint has conventional
The incomparable superiority of anticorrosive paint, his is mainly characterized by the performances such as anti-corrosion life is long, shrinkage factor is low, adhesive force is strong.
But still there is some shortcomings, the residual stress of resinae coating in the curing process can cause coating for epoxy zinc-enriched paint
Cracking, and weatherability is poor, easy efflorescence, medium difference etc. of being able to bear strong corrosion under high temperature.
Graphene zinc rich primer, it is by the modification to graphene, graphene is added to one prepared in coating system
The new anticorrosive paint of kind.Traditional anticorrosive paint is compared to, graphene zinc-rich paint has following advantage:（1）Graphite
The addition of alkene greatly reduces the dosage of zinc powder, reduces dust pollution during construction；（2）Corrosion-inhibiting coating is very thin, for tradition weight
The 1/2 of anticorrosive paint；（3）Meet the light-weighted growth requirement of present situation coating material.
The content of the invention
The technical problems to be solved by the invention are overcome the deficiencies in the prior art, there is provided a kind of graphene anticorrosive paint and
Preparation method, it has, and technique is simple, can heat conductivility, viscous force more strengthens, low excellent of the more stable very product price of performance
Point.
The technical solution adopted in the present invention is：
A kind of preparation method of graphene anticorrosive paint, it comprises the following steps：
S1, graphene carry out ultrasonic disperse, are added by formula ratio in mixer：Graphene, reactive diluent, coupling agent and point
Powder, ultrasonic power 100w-500w, time 10min-60min；
S2, added in the state of mechanical agitation in dispersion liquid, mixing speed is 800r/min-1200r/min, is added into epoxy
Resin, curing agent, zinc powder, filler and auxiliary agent；The dispersant is graphene dispersion agent；
S3, it is stirred using the machine mixer of rotating speed between 1800r/min-2200r/min, mixing time scope is
18min-22min, add zirconium pearl and be ground, milling time 1.5h-2.5h；
S4, resin and curing agent be sufficiently mixed, after adjusting viscosity, using the model that spray gun spraying thickness is 20 μm and 90 μm,
Normal temperature self-drying.
Also include step S5 after the step S4, physical property is carried out after being conserved 10 days in the environment of 65% humidity, 25 DEG C
Property test.
In the step S1, ultrasonic power 100w, or be 200w, or be 300w, or be 400w, or be 500w；Time
For 10min, or it is 20min, or is 30min, or be 40min, or be 50min, or is 60min.
In the step S2, mixing speed is 1000r/min, and epoxy resin is the 5%-20% of material total amount, and curing agent is
The 1.6%-6.6% of material total amount, zinc powder are the 10%-50% of material total amount, and the amount of filler is 10-40%, and auxiliary agent is material total amount
0.2%-1%。
In the step S3, it is stirred using 2000r/min machine mixer, mixing time is about 20min, adds
The zirconium pearl for entering 2/3 volume is ground, and milling time is that 2h reaches standard as experimental endpoints using final fineness and solid content.
Graphene is about the 0.2%-5% of material total amount in the step S1, and reactive diluent is the 10-30% of material total amount,
Dispersant is the 0.15-2%, coupling agent 0.15-0.2% of material total amount；The coupling agent is silane coupler.
A kind of graphene anticorrosive paint, it proportionally includes：Graphene is about the 0.2%-5% of material total amount, and activity is dilute
The 10-30% that agent is material total amount is released, dispersant is the 0.15-2% of material total amount, and epoxy resin is the 5%-20% of material total amount,
Curing agent is the 1.6%-6.6% of material total amount, and zinc powder is the 10%-50% of material total amount, and the amount of filler is 10-40%, and auxiliary agent is thing
Expect the 0.2%-1% of total amount；Coupling agent 0.15-0.2%.
The reactive diluent is single functionality epoxy active diluent：Such as Shanghai Mei Dong biomaterials limited company
MD2013;Ka Delai NC513 and UL513；The dispersant is high molecular weight dispersant, the 163 of BYK and 110；EFKA's
4010；The curing agent is pnenolic aldehyde amine hardener, such as U.S. 2015 and 2015C, Ka Delai NX-2015 of east；The filler is mica
Piece or ferrotitanium powder etc.；Such as the CJ-A4 of the bridge sericite factory of Chuzhou City ten thousand, the AL-E- of the proud woods environmental protection Science and Technology Co., Ltd. in Wuhan
In 500 auxiliary agents, defoamer is organic silicon defoamer, as EFKA 2035 and Nanjing moral contain the DS-10 and DS- of organosilicon
100；Levelling agent is polyacrylate product, such as EFKA 3777, BYK-3339 silanes products；The non-amino of coupling agent
Functional silanes, the KH550 of morning twilight, or propyl trimethoxy silicane, the KH560 of morning twilight.
Invention feature：
1:Peeled off using Physical, the graphene made of epoxy silane coupling is modified, manufactured graphene epoxy zinc-rich
Priming paint salt spray resistance reaches more than 3000H.
2：Using reactive diluent, by the solid content control of graphene epoxy zinc rich primer to 95%, ultralow VOC, more preferably
Environmental protection.
3：In graphene epoxy zinc rich primer add organic acid anticorrosive auxiliary agent, by neutral salt spray performance by
2500H increases to more than 3000H
The present invention has that technique is simple, can heat conductivility, viscous force more strengthens, low excellent of the more stable very product price of performance
Point.
Embodiment
The Making programme of the present invention：
Resin, curing agent, powder and auxiliary agent etc. have been weighed according to formula ratio；First graphene carries out ultrasonic disperse, first by formula ratio
Add：Graphene is about the 0.2%-5% of material total amount, and reactive diluent is the 10-30% of material total amount, and dispersant is that material is total
The 0.15-2% of amount, ultrasonic power 100w-500w, time 10min-60min；By materials such as powder, resins in mechanical agitation
In the state of add in graphene dispersing solution, mixing speed is 1000r/min, and epoxy resin is the 5%-20% of material total amount, Gu
Agent is the 1.6%-6.6% of material total amount, and zinc powder is the 10%-50% of material total amount, and the amount of filler is 10-40%, and auxiliary agent is material
The 0.2%-1% of total amount；After the completion of material addition, it is stirred using 2000r/min machine mixer, mixing time is about
20min, the zirconium pearl for adding 2/3 volume are ground, and milling time is that 2H reaches standard as experiment using final fineness and solid content
End point；Resin and curing agent are sufficiently mixed by a certain percentage, after regulation reaches suitable viscosity, regulate the outlet of spray gun
Amount and pressure, coating thickness are 20 μm and 90 μm of model, normal temperature self-drying, after being conserved 10 days in the environment of 65% humidity, 25 DEG C
Carry out physical property test.
Case 1：Resin, curing agent, powder and auxiliary agent etc. have been weighed according to formula ratio；First graphene carries out ultrasonic disperse,
First added by formula ratio：Graphene is about the 0.2%-5% of material total amount, and reactive diluent is the 10-30% of material total amount, is disperseed
Agent is the 0.15-2% of material total amount, and silane coupler is the 0.15-0.2% of total amount, ultrasonic power 100w-500w, and the time is
10min-60min
The materials such as powder, resin are added in graphene dispersing solution in the state of mechanical agitation, mixing speed is 1000r/
Min, epoxy resin are the 5%-20% of material total amount, and curing agent is the 1.6%-6.6% of material total amount, and zinc powder is material total amount
10%-50%, the amount of filler is 10-40%, and auxiliary agent is the 0.2%-1% of material total amount.
After the completion of material addition, it is stirred using 2000r/min machine mixer, mixing time is about 20min,
The zirconium pearl for adding 2/3 volume is ground, and milling time is that 2H reaches standard as experimental endpoints using final fineness and solid content
Spraying：Resin and curing agent are sufficiently mixed by a certain percentage, after regulation reaches suitable viscosity, regulate going out for spray gun
Tolerance and pressure, coating thickness are 20 μm and 90 μm of model, normal temperature self-drying, are conserved 10 days in the environment of 65% humidity, 25 DEG C
Physical property test is carried out afterwards.
Performance test：
Coating prepared by embodiment 1 to 6 and comparative example is subjected to performance test.
Test event and method：
| Project | Detection method | Tester |
| Outward appearance and color | Range estimation | ----- |
| Fineness（μm） | GB/T1724-79 | Hegman grind gage（QXD-100 types） |
| Solids content, % | GB/T1732-93-2007 | Baking oven |
| Impact strength kg.cm | GB/T1732-93 | QCJ type Coating impact instruments |
| Hardness（H）Tested after 7 days | GB/T6739-2006 | Pencil hardometer |
| Adhesive force | GB/T9286-1998 | Cross-cut tester |
| Pliability（mm） | GB/T1731-79 | QTX type paint film compliance test apparatus |
| Water resistance | GB/T1733-93 | Soaked 7 days in water |
| Resistance to salt water | GB/T1763-79 | Soaked 7 days in 3%NaCl solution |
| Acid resistance | GB/T1763-79 | Soaked 7 days in 3% sulfuric acid solution |
| Alkali resistance | GB/T1763-79 | Soaked 15 days in 5%NaOH solvents |
| Salt fog resistance | GB/T1771-2007 | Precise salt mist tester |
Test event and method：
Test result：It is as shown in the table.
Compared by the graphene anticorrosive paint prepared by it can be seen from data in upper table according to embodiments of the present invention 1 to 6,
The addition of treated graphene, it is greatly improved the salt spray resistance of epoxy zinc-enriched paint, and the anti-corruption of organic acid
Lose auxiliary agent, further increase the salt spray resistance of product, so be advantageous to improve using epoxy zinc-enriched paint as priming paint in ship
With and heavy antisepsis field antiseptic effect.
Certainly, above is the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art
For, on the premise of its general principles are not departed from, some improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
The present invention has that technique is simple, can heat conductivility, viscous force more strengthens, and the more stable very product price of performance is low
Advantage.
Claims (7)
1. a kind of preparation method of graphene anticorrosive paint, it is characterised in that comprise the following steps：
S1, graphene carry out ultrasonic disperse, are added by formula ratio in mixer：Graphene, reactive diluent, coupling agent and point
Powder, ultrasonic power 100w-500w, time 10min-60min；
S2, added in the state of mechanical agitation in dispersion liquid, mixing speed is 800r/min-1200r/min, is added into epoxy
Resin, curing agent, zinc powder, filler and auxiliary agent；The dispersant is graphene dispersion agent；
S3, it is stirred using the machine mixer of rotating speed between 1800r/min-2200r/min, mixing time scope is
18min-22min, add zirconium pearl and be ground, milling time 1.5h-2.5h；
S4, resin and curing agent be sufficiently mixed, after adjusting viscosity, using the model that spray gun spraying thickness is 20 μm and 90 μm,
Normal temperature self-drying.
A kind of 2. preparation method of graphene anticorrosive paint according to claim 1, it is characterised in that：The step S4 it
Also include step S5 afterwards, physical property test is carried out after being conserved 10 days in the environment of 65% humidity, 25 DEG C.
A kind of 3. preparation method of graphene anticorrosive paint according to claim 1, it is characterised in that：The step S1
In, ultrasonic power 100w, or be 200w, or be 300w, or be 400w, or be 500w；Time is 10min, or is 20min,
Or be 30min, or be 40min, or be 50min, or be 60min.
A kind of 4. preparation method of graphene anticorrosive paint according to claim 3, it is characterised in that：The step S2
In, mixing speed is 1000r/min, and epoxy resin is the 5%-20% of material total amount, and curing agent is the 1.6%- of material total amount
6.6%, zinc powder is the 10%-50% of material total amount, and the amount of filler is 10-40%, and auxiliary agent is the 0.2%-1% of material total amount.
A kind of 5. preparation method of graphene anticorrosive paint according to claim 3, it is characterised in that：The step S3
In, it is stirred using 2000r/min machine mixer, mixing time is about 20min, and the zirconium pearl for adding 2/3 volume enters
Row grinding, milling time is that 2h reaches standard as experimental endpoints using final fineness and solid content.
A kind of 6. preparation method of graphene anticorrosive paint according to claim 3, it is characterised in that：In the step S1
Graphene is about the 0.2%-5% of material total amount, and reactive diluent is the 10-30% of material total amount, and dispersant is material total amount
0.15-2%, coupling agent 0.15-0.2%；The coupling agent is silane coupler.
7. a kind of graphene anticorrosive paint, it is characterised in that proportionally include：Graphene is about the 0.2%-5% of material total amount,
Reactive diluent is the 10-30% of material total amount, and dispersant is the 0.15-2% of material total amount, and epoxy resin is material total amount
5%-20%, curing agent are the 1.6%-6.6% of material total amount, and zinc powder is the 10%-50% of material total amount, and the amount of filler is 10-40%,
Auxiliary agent is the 0.2%-1% of material total amount；Coupling agent 0.15-0.2%；The reactive diluent dilutes for single functionality epoxy-reactive
Agent；The dispersant is high molecular weight dispersant；The curing agent is pnenolic aldehyde amine hardener；The filler is mica sheet or ferrotitanium
Powder；In the auxiliary agent, defoamer is organic silicon defoamer；Levelling agent is polyacrylate product；The non-amino of coupling agent
Functional silanes, or be propyl trimethoxy silicane.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108659675A (en) * | 2018-05-23 | 2018-10-16 | 中国海洋大学 | A kind of preparation method of the Long-effect corrosion-resistant wave transparent coating of graphene modification silicon nitride |
| CN108948956A (en) * | 2018-06-28 | 2018-12-07 | 珠海聚碳复合材料有限公司 | A kind of graphene anticorrosive paint, preparation method and equipment peculiar to vessel |
| CN109161239A (en) * | 2018-08-16 | 2019-01-08 | 恒力盛泰（厦门）石墨烯科技有限公司 | A kind of graphene anticorrosive paint, preparation method, management method |
| CN109337424A (en) * | 2018-09-10 | 2019-02-15 | 成都紫苑华光新材料科技有限公司 | A kind of oiliness graphene anti-corrosive pulp and preparation method thereof |
| CN109354967A (en) * | 2018-09-10 | 2019-02-19 | 成都紫苑华光新材料科技有限公司 | A kind of graphene anticorrosive paint and preparation method thereof |
| CN109401548A (en) * | 2018-11-04 | 2019-03-01 | 金美云 | A kind of modified graphite alkenyl fire retardant, anticorrosive epoxy coating and preparation method and application |
| CN109627904A (en) * | 2018-11-07 | 2019-04-16 | 西北工业大学 | A kind of selfreparing graphene zinc-rich anti-corrosive paint and preparation method thereof |
| CN109836964A (en) * | 2018-04-18 | 2019-06-04 | 上海振华重工（集团）常州油漆有限公司 | A kind of preparation method of epoxy zinc alkene anticorrosive paint |
| CN110776809A (en) * | 2019-12-13 | 2020-02-11 | 中昊北方涂料工业研究设计院有限公司 | High-thermal-conductivity anticorrosive paint and preparation method thereof |
| CN111205693A (en) * | 2020-02-20 | 2020-05-29 | 重庆市城投路桥管理有限公司 | Anti-corrosion primer for bridge and preparation method thereof |
| CN111500157A (en) * | 2020-06-24 | 2020-08-07 | 南通晶锐新型碳材料科技有限公司 | Preparation method of water-based graphene epoxy zinc-rich coating |
| CN112592616A (en) * | 2020-12-15 | 2021-04-02 | 江苏超途新材料科技有限公司 | Composite reinforced anticorrosive coating composition containing graphene and nano titanium |
| CN113145420A (en) * | 2021-03-16 | 2021-07-23 | 东莞金坤新材料股份有限公司 | Coating method for coating anti-corrosion heat dissipation graphene coating |
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| CN109836964A (en) * | 2018-04-18 | 2019-06-04 | 上海振华重工（集团）常州油漆有限公司 | A kind of preparation method of epoxy zinc alkene anticorrosive paint |
| CN109836964B (en) * | 2018-04-18 | 2021-05-28 | 上海振华重工（集团）常州油漆有限公司 | Preparation method of zinc oxide alkene heavy-duty anticorrosive paint |
| CN108659675B (en) * | 2018-05-23 | 2021-01-29 | 中国海洋大学 | Preparation method of long-acting corrosion-resistant wave-transparent coating of graphene modified silicon nitride |
| CN108659675A (en) * | 2018-05-23 | 2018-10-16 | 中国海洋大学 | A kind of preparation method of the Long-effect corrosion-resistant wave transparent coating of graphene modification silicon nitride |
| CN108948956A (en) * | 2018-06-28 | 2018-12-07 | 珠海聚碳复合材料有限公司 | A kind of graphene anticorrosive paint, preparation method and equipment peculiar to vessel |
| CN109161239A (en) * | 2018-08-16 | 2019-01-08 | 恒力盛泰（厦门）石墨烯科技有限公司 | A kind of graphene anticorrosive paint, preparation method, management method |
| CN109337424A (en) * | 2018-09-10 | 2019-02-15 | 成都紫苑华光新材料科技有限公司 | A kind of oiliness graphene anti-corrosive pulp and preparation method thereof |
| CN109354967A (en) * | 2018-09-10 | 2019-02-19 | 成都紫苑华光新材料科技有限公司 | A kind of graphene anticorrosive paint and preparation method thereof |
| CN109401548A (en) * | 2018-11-04 | 2019-03-01 | 金美云 | A kind of modified graphite alkenyl fire retardant, anticorrosive epoxy coating and preparation method and application |
| CN109627904A (en) * | 2018-11-07 | 2019-04-16 | 西北工业大学 | A kind of selfreparing graphene zinc-rich anti-corrosive paint and preparation method thereof |
| CN110776809A (en) * | 2019-12-13 | 2020-02-11 | 中昊北方涂料工业研究设计院有限公司 | High-thermal-conductivity anticorrosive paint and preparation method thereof |
| CN111205693A (en) * | 2020-02-20 | 2020-05-29 | 重庆市城投路桥管理有限公司 | Anti-corrosion primer for bridge and preparation method thereof |
| CN111500157A (en) * | 2020-06-24 | 2020-08-07 | 南通晶锐新型碳材料科技有限公司 | Preparation method of water-based graphene epoxy zinc-rich coating |
| CN112592616A (en) * | 2020-12-15 | 2021-04-02 | 江苏超途新材料科技有限公司 | Composite reinforced anticorrosive coating composition containing graphene and nano titanium |
| CN113145420A (en) * | 2021-03-16 | 2021-07-23 | 东莞金坤新材料股份有限公司 | Coating method for coating anti-corrosion heat dissipation graphene coating |
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