CN109280465A - Nano anti-corrosive loses coating - Google Patents
Nano anti-corrosive loses coating Download PDFInfo
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- CN109280465A CN109280465A CN201811270614.6A CN201811270614A CN109280465A CN 109280465 A CN109280465 A CN 109280465A CN 201811270614 A CN201811270614 A CN 201811270614A CN 109280465 A CN109280465 A CN 109280465A
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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
-
- 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
-
- 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
- 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
- C09D7/65—Additives macromolecular
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention proposes a kind of nano anti-corrosives to lose coating, according to the number of parts by weight, including following components: 40~60 parts of aqueous epoxy emulsion, 20~30 parts of silicone acrylic emulsion, modified nano zinc oxide -6~12 parts of graphene oxide composite granule, 10~16 parts of fluorinated silicate ceramics, 5~10 parts of bentonite, 10~16 parts of nano silicon oxide, 2~6 parts of coalescing agent, 0.1~0.5 part of dispersing agent, 0.6~1.2 part of rilanit special, 0.1~0.5 part of defoaming agent and 20~30 parts of water;The modified nano zinc oxide-graphene oxide composite granule is mainly prepared by nano zine oxide, dodecyl sodium sulfate, graphene oxide, itaconic acid and silane coupling agent.The nano anti-corrosive loses coating, and not only antiseptic property is good, also has good wear-resisting property.
Description
Technical field
The invention belongs to technical field of nano material, and in particular to a kind of nano anti-corrosive erosion coating.
Background technique
Coating is a kind of common surface decoration material in the entitled paint of Chinese tradition or emulsion paint, in vehicle, dress
The fields such as decorations, military affairs, traffic, building have a wide range of applications.Wherein building coating is most common building materials, in entire coating city
Most of market share is occupied in.Traditional coating is usually made of film forming matter, pigments and fillers, solvent, auxiliary agent etc..
Anticorrosive paint has become the important fresh combatants of paint field, and anticorrosive paint plays increasing effect, hair
Exhibition prospect is considerable.According to expert personage analyze: anticorrosive paint price is obviously in that rising is taken advantage of a favourable situation now, this and to ship apply
Material, ocean development are related.Country increased dynamics of investment in the ocean to the earth 7/10ths always in recent years, wherein anticorrosive paint
It is exactly a projecting point in this part.Since 2007, anticorrosive paint has played more and more important in the development of the national economy
Effect, there is gratifying situation in article state anticorrosive coating market, and production scale constantly expands.
CN101857753A discloses a kind of anticorrosive paint, coating process and application, is suitable for heat exchanger, heatproof 600
Below degree.But due to making base-material using Silicone modified acryl's resin, easy xanthochromia under high temperature can only do silver-colored black, apply simultaneously
Material is that realize, rate melting secondary film-forming carrys out anti-corrosion under high temperature by the aluminium powder of addition up to 35%, since a large amount of aluminium powder is in high temperature
Under can soften melting, therefore the coating, without red hardness, wearability is very poor under high temperature, at the same be using special ultrasonic activation come into
Row coating, compared with common process, client uses extremely inconvenient.And the trimethylbenzene that coating also uses part toxic makees solvent,
Pole is not environmentally.CN100587017C discloses a kind of solvent type organic silicon thermostable paint and its production method, can high temperature resistant
450~500 degree, but organic resin pyrolytic still can the toxic peculiar smell of generating unit intermuscular needling nose, and can change colour.It can only do black and silver-colored
Black few color can not do light color and bright-colored.The high-temperature resistant coating of the above organic or inorganic, in scumbling, high temperature resistant
Bad anti-corrosion effect, and abrasion resistant effect is poor.
Summary of the invention
The present invention proposes a kind of nano anti-corrosive erosion coating, which loses coating, and not only antiseptic property is good, also has very
Good wear-resisting property.
The technical scheme of the present invention is realized as follows:
A kind of nano anti-corrosive erosion coating, according to the number of parts by weight, including following components:
40~60 parts of aqueous epoxy emulsion, 20~30 parts of silicone acrylic emulsion, modified nano zinc oxide-graphene oxide composite powder
6~12 parts of body, 10~16 parts of fluorinated silicate ceramics, 5~10 parts of bentonite, 10~16 parts of nano silicon oxide, coalescing agent 2~
6 parts, 0.1~0.5 part of dispersing agent, 0.6~1.2 part of rilanit special, 0.1~0.5 part of defoaming agent and 20~30 parts of water;It is described to change
Property nano zine oxide-graphene oxide composite granule is mainly by nano zine oxide, dodecyl sodium sulfate, graphene oxide, clothing
Health acid is prepared with silane coupling agent.
Preferably, the modified nano zinc oxide-graphene oxide composite granule preparation method the following steps are included:
1) lauryl sodium sulfate is dissolved in 70~80 DEG C of hot water and is stirred dispersion, then added nano oxidized
Zinc is stirred dispersion, is ultrasonically treated 0.5~1.5h, then filters drying, can be obtained modified nano zinc oxide powder;
2) modified nano zinc oxide powder and graphene oxide are added in the itaconic acid solution of 2~5wt%, are stirred for point
After dissipating 1~3 hour, 50~60 DEG C are then warming up to, adds silane coupling agent, is reacted 2~4 hours, screening is dried in filtering
?.
Preferably, the lauryl sodium sulfate and the mass ratio of the nano zine oxide are 5~7:1, the nanometer
The mass ratio of zinc oxide and the graphene oxide is 2~3:1, the quality of the nano zine oxide and the silane coupling agent
The ratio between be 15~25:1.
Preferably, the silane coupling agent is aminopropyl triethoxysilane, glycidol fan's oxygroup propyl trimethoxy
Silane or methacryloxypropyl trimethoxy silane.
Preferably, the coalescing agent is alcohol ester 12 or propandiol butyl ether.
Preferably, the dispersing agent is enuatrol.
Preferably, the defoaming agent is emulsification methyl-silicone oil or non-silicone mineral oil.
The preparation method of nano anti-corrosive erosion coating of the invention, comprising the following steps:
1) first by the aqueous epoxy emulsion of part, the silicone acrylic emulsion of part, coalescing agent and modified nano zinc oxide-oxidation
Ultrasonic disperse is carried out after graphene composite powder mixing, the ultrasonic disperse time is 20~40min, obtains dispersion liquid;
2) by the dispersion liquid warming-in-water of step 1) to 50~60 DEG C, remaining components are added, after being stirred.It is cooled to room
Temperature.
The present invention is migrated to film coated surface and is hydrolyzed using ceramic composition by addition fluorinated silicate ceramic composition
It generates hydrophilic silanol group and invests film hydrophily, to reduce pollution.The addition of rilanit special can effectively improve
The sagging phenomenon generated in spraying process, while can be caused in storage due to the density variation of filler and base-material to avoid coating
The bad phenomenons such as sink to the bottom, by the compounding with other components, ceramic material ingredient migration and hydrophiling are very fast, and have
There is good cleaning stability, long-acting hydrophily is still maintained after cleaning.
Beneficial effects of the present invention:
Nano anti-corrosive erosion coating of the present invention is using mainly by nano zine oxide, dodecyl sodium sulfate, graphene oxide, clothing
Modified nano zinc oxide-graphene oxide composite granule that health acid and silane coupling agent are prepared, the composite granule enhance
The affinity of nano zine oxide and graphene oxide and matrix resin, the interface binding power with aqueous epoxy emulsion, silicone acrylic emulsion
It is improved, while preventing or mitigating the formation of hard agglomeration, good dispersibility is easy to get, to improve coating
Mechanical strength and adhesive force.In addition, since zinc oxide is coupled by silane coupling agent and graphene oxide, the powder of formation
Particle tunic easy to form between matrix resin interface, improves the rub resistance and Corrosion Protection of coating.
Specific embodiment
Embodiment 1
Modified nano zinc oxide-graphene oxide composite granule preparation method the following steps are included:
1) lauryl sodium sulfate is dissolved in 70 DEG C of hot water and is stirred dispersion, then add nano zine oxide into
Row is dispersed with stirring, and is ultrasonically treated 1.5h, is then filtered drying, can be obtained modified nano zinc oxide powder;
2) modified nano zinc oxide powder and graphene oxide are added in the itaconic acid solution of 2wt%, are stirred for dispersion 3
After hour, 60 DEG C are then warming up to, adds aminopropyl triethoxysilane, is reacted 2 hours, screening is dried in filtering.
Lauryl sodium sulfate and the mass ratio of nano zine oxide are 7:1, and the mass ratio of nano zine oxide and graphene oxide is
The mass ratio of 2:1, nano zine oxide and aminopropyl triethoxysilane is 15:1.
Modified effect is measured by sedimentation experiment, it is compound to weigh the above-mentioned modified nano zinc oxide-graphene oxide of 1~1.5g
Powder sample is placed in the measuring graduates with ground, and first plus on a small quantity dimethylbenzene sufficiently soaks nano zine oxide-graphene oxide
Afterwards, then plus dimethylbenzene sufficiently vibrated to 20mL uniformly, stand different time under room temperature, record the quality of deposit, and will
It is converted into sedimentation index;The sedimentation index=(quality of sample pellet part/sample gross mass) * 100%
Through test it is found that about 3~5h is just completely heavy in dimethylbenzene without modified nano zine oxide-graphene oxide
Lower, and pass through modified nano zinc oxide-graphene oxide composite granule, in dimethylbenzene by for 24 hours only have 1.2~
1.8% precipitating also only has about 2.6~3.2% precipitating by 48h.Therefore, modified nano zinc oxide-graphene oxide is multiple
Closing in powder has preferable dispersion performance, and modified effect is preferable.
Embodiment 2
Modified nano zinc oxide-graphene oxide composite granule preparation method the following steps are included:
1) lauryl sodium sulfate is dissolved in 80 DEG C of hot water and is stirred dispersion, then add nano zine oxide into
Row is dispersed with stirring, and is ultrasonically treated 0.5h, is then filtered drying, can be obtained modified nano zinc oxide powder;
2) modified nano zinc oxide powder and graphene oxide are added in the itaconic acid solution of 5wt%, are stirred for dispersion 1
After hour, 50 DEG C are then warming up to, adds methacryloxypropyl trimethoxy silane, is reacted 4 hours, filtering will filter
Object drying.Lauryl sodium sulfate and the mass ratio of nano zine oxide are 5:1, nano zine oxide and graphene oxide
Mass ratio is 3:1, and the mass ratio of nano zine oxide and methacryloxypropyl trimethoxy silane is 25:1.
Through test it is found that about 3~5h is just completely heavy in dimethylbenzene without modified nano zine oxide-graphene oxide
Lower, and pass through modified nano zinc oxide-graphene oxide composite granule, in dimethylbenzene by for 24 hours only have 1.2~
1.8% precipitating also only has about 2.6~3.2% precipitating by 48h.Therefore, modified nano zinc oxide-graphene oxide is multiple
Closing in powder has preferable dispersion performance, and modified effect is preferable.
Embodiment 3
A kind of nano anti-corrosive erosion coating, according to the number of parts by weight, including following components:
50 parts of aqueous epoxy emulsion, 24 parts of silicone acrylic emulsion, modified nano zinc oxide-graphene oxide of embodiment 1 are compound
9 parts of powder, fluorinated silicate ceramics 13 parts, 7 parts of bentonite, 12 parts of nano silicon oxide, 12 parts of alcohol ester, 0.3 part of enuatrol,
0.9 part of rilanit special, 0.3 part of methyl-silicone oil of emulsification and 25 parts of water.
Embodiment 4
A kind of nano anti-corrosive erosion coating, according to the number of parts by weight, including following components:
40 parts of aqueous epoxy emulsion, 28 parts of silicone acrylic emulsion, modified nano zinc oxide-graphene oxide of embodiment 2 are compound
6 parts of powder, fluorinated silicate ceramic 12 parts, 5 parts of bentonite, 10 parts of nano silicon oxide, 2 parts of propandiol butyl ether, enuatrol 0.1
Part, 0.8 part of rilanit special, 0.1 part of methyl-silicone oil of emulsification and 20 parts of water.
Embodiment 5
A kind of nano anti-corrosive erosion coating, according to the number of parts by weight, including following components:
60 parts of aqueous epoxy emulsion, 20 parts of silicone acrylic emulsion, modified nano zinc oxide-graphene oxide of embodiment 1 are compound
12 parts of powder, fluorinated silicate ceramic 10 parts, 10 parts of bentonite, 16 parts of nano silicon oxide, 12 parts of alcohol ester, enuatrol 0.5
Part, 0.6 part of rilanit special, 0.5 part of non-silicone mineral oil and 30 parts of water.
Embodiment 6
A kind of nano anti-corrosive erosion coating, according to the number of parts by weight, including following components:
45 parts of aqueous epoxy emulsion, 26 parts of silicone acrylic emulsion, modified nano zinc oxide-graphene oxide of embodiment 2 are compound
10 parts of powder, fluorinated silicate ceramic 10 parts, 8 parts of bentonite, 10 parts of nano silicon oxide, 3 parts of propandiol butyl ether, enuatrol 0.1
Part, 0.6 part of rilanit special, 0.5 part of non-silicone mineral oil and 30 parts of water.
Comparative example 1
A kind of nano anti-corrosive erosion coating, according to the number of parts by weight, including following components:
50 parts of aqueous epoxy emulsion, 24 parts of silicone acrylic emulsion, nano zine oxide -9 parts of graphene oxide composite granule, silicon fluoride
Hydrochlorate ceramics 13 parts, 7 parts of bentonite, 12 parts of nano silicon oxide, 12 parts of alcohol ester, 0.3 part of enuatrol, rilanit special 0.9
Part, 0.3 part of methyl-silicone oil of emulsification and 25 parts of water.The mass ratio of nano zine oxide and graphene oxide is 2:1.
Test example
Every kind of sample difference of nano anti-corrosive erosion coating of the nano anti-corrosive erosion coating that embodiment 3~6 is obtained and comparative example 1
Coated on 4 pieces of test plate (panel)s, one of to do measuring mechanical property, remaining does chemical property test, and 100 microns of film thickness, paint film is protected
After supporting 7 days, it is tested for the property, the results are shown in Table 1:
Table 1
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of nano anti-corrosive loses coating, which is characterized in that according to the number of parts by weight, including following components:
40~60 parts of aqueous epoxy emulsion, 20~30 parts of silicone acrylic emulsion, modified nano zinc oxide-graphene oxide composite granule 6
~12 parts, 10~16 parts of fluorinated silicate ceramics, 5~10 parts of bentonite, 10~16 parts of nano silicon oxide, coalescing agent 2~6
Part, 0.1~0.5 part of dispersing agent, 0.6~1.2 part of rilanit special, 0.1~0.5 part of defoaming agent and 20~30 parts of water;It is described to change
Property nano zine oxide-graphene oxide composite granule is mainly by nano zine oxide, dodecyl sodium sulfate, graphene oxide, clothing
Health acid is prepared with silane coupling agent.
2. nano anti-corrosive according to claim 1 loses coating, which is characterized in that the modified nano zinc oxide-oxidation stone
The preparation method of black alkene composite granule the following steps are included:
1) lauryl sodium sulfate is dissolved in 70~80 DEG C of hot water and is stirred dispersion, then add nano zine oxide into
Row is dispersed with stirring, and is ultrasonically treated 0.5~1.5h, is then filtered drying, can be obtained modified nano zinc oxide powder;
2) modified nano zinc oxide powder and graphene oxide are added in the itaconic acid solution of 2~5wt%, are stirred for dispersion 1
After~3 hours, 50~60 DEG C are then warming up to, adds silane coupling agent, is reacted 2~4 hours, screening drying is by filtering
It can.
3. nano anti-corrosive according to claim 2 loses coating, which is characterized in that the lauryl sodium sulfate is received with described
The mass ratio of rice zinc oxide is 5~7:1, and the mass ratio of the nano zine oxide and the graphene oxide is 2~3:1,
The mass ratio of the nano zine oxide and the silane coupling agent is 15~25:1.
4. nano anti-corrosive according to claim 2 loses coating, which is characterized in that the silane coupling agent is three second of aminopropyl
Oxysilane, glycidyl ester oxy propyl trimethoxysilane or methacryloxypropyl trimethoxy silane.
5. nano anti-corrosive according to claim 1 loses coating, which is characterized in that the coalescing agent be alcohol ester 12 or
Propandiol butyl ether.
6. nano anti-corrosive according to claim 1 loses coating, which is characterized in that the dispersing agent is enuatrol.
7. nano anti-corrosive according to claim 1 loses coating, which is characterized in that the defoaming agent be emulsification methyl-silicone oil or
Person's non-silicone mineral oil.
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CN201811270614.6A CN109280465A (en) | 2018-10-29 | 2018-10-29 | Nano anti-corrosive loses coating |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110922836A (en) * | 2019-12-07 | 2020-03-27 | 温州环诺新材料科技有限公司 | Universal water-based paint for automobile and motorcycle accessories and preparation method thereof |
CN113698802A (en) * | 2021-08-24 | 2021-11-26 | 成都新柯力化工科技有限公司 | Graphene hybridized organic-inorganic anticorrosive paint and preparation method thereof |
CN113861821A (en) * | 2021-10-09 | 2021-12-31 | 宁波星禾新材料集团有限公司 | Film capable of prolonging weather resistance and acid and alkali resistance and preparation method thereof |
CN115160878A (en) * | 2022-07-28 | 2022-10-11 | 赣州市南康区拓康工程项目建设有限责任公司 | Anticorrosive paint for building exterior wall and preparation method and application thereof |
-
2018
- 2018-10-29 CN CN201811270614.6A patent/CN109280465A/en not_active Withdrawn
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110922836A (en) * | 2019-12-07 | 2020-03-27 | 温州环诺新材料科技有限公司 | Universal water-based paint for automobile and motorcycle accessories and preparation method thereof |
CN113698802A (en) * | 2021-08-24 | 2021-11-26 | 成都新柯力化工科技有限公司 | Graphene hybridized organic-inorganic anticorrosive paint and preparation method thereof |
CN113698802B (en) * | 2021-08-24 | 2022-04-22 | 金隅微观(沧州)化工有限公司 | Graphene hybridized organic-inorganic anticorrosive paint and preparation method thereof |
CN113861821A (en) * | 2021-10-09 | 2021-12-31 | 宁波星禾新材料集团有限公司 | Film capable of prolonging weather resistance and acid and alkali resistance and preparation method thereof |
CN115160878A (en) * | 2022-07-28 | 2022-10-11 | 赣州市南康区拓康工程项目建设有限责任公司 | Anticorrosive paint for building exterior wall and preparation method and application thereof |
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