CN111961381A - anti-H2Long-acting paint film of S gas erosion - Google Patents
anti-H2Long-acting paint film of S gas erosion Download PDFInfo
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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
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/003—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
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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
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/328—Phosphates of heavy metals
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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Abstract
anti-H2The long-acting paint film corroded by S gas consists of a component A and a component B according to the weight ratio (4.5-6.5) to 1; wherein, the component A comprises the following components in parts by weight: 40-65 parts of vinyl modified fluorocarbon resin, 5-10 parts of inorganic alcohol-soluble ceramic resin, 3-5 parts of nano barium sulfate, 3-5 parts of environment-friendly zinc phosphate, 2-5 parts of 10% graphene dispersed slurry, 10-20 parts of inorganic pigment, 0.2-1 part of dispersing agent, 0.1-0.3 part of defoaming agent, 0.1-0.3 part of flatting agent, 1-3 parts of polyamide wax slurry, 0.2-0.5 part of gas silicon and 13-16 parts of mixed solvent; the component B is an isocyanate curing agent; the vinyl and fluorocarbon resin are grafted to obtain the base resin which has excellent chemical resistance and weather resistance, and the performance test shows that the paint film has the following performances: fast drying, no foaming, good leveling property, high hardness, and grindingGood performance, high gloss, good water resistance, super-good strong acid and alkali resistance, good weather resistance and the like, and can be applied to the fields of petroleum and petrochemical industry, acid and alkali plants, chemical synthesis workshops, chemical reagent transportation vehicles, sewage treatment and the like.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to a quick-drying water-based modified polyester wood coating.
Background
The fields of petroleum, petrifaction, chemical synthesis, sewage treatment, chemical reagent transport vehicles and the like all relate to severe environments with different pH values, the condition that the pH is below 3 is a strong acid environment, the condition that the pH is above 11 is a strong base environment, under the strong acid and strong base environment, how to protect the metal surface is carried out, the requirement on the chemical resistance of a coating is very high, the current strong acid resistance method adopts a glass cylinder material, the coating adopts vinyl heavy-duty anticorrosive paint, the general acid and base condition adopts solventless epoxy, fluorocarbon paint, PVDF, chlorinated rubber paint, perchloroethylene paint, high chlorinated polyethylene paint, chlorosulfonated polyethylene paint, phenol epoxy, phenol vinyl paint and asphalt paint for coating, but the paint has sheet surface property and poor weather resistance, such as: solventless epoxy, novolac ethylene coating, asphalt coating. The pH value of fluorocarbon coating, chlorinated rubber coating, perchloroethylene coating, high chlorinated polyethylene coating and chlorosulfonated polyethylene coating is better than 3-11, but the pH value is less than or equal to 3 and the pH value is more than or equal to 11, the PVDF needs high-temperature curing, and large-scale equipment and pipelines can not meet the drying requirement; meanwhile, the self-drying heavy-duty anticorrosion technology with excellent acid resistance, alkali resistance and weather resistance is a difficult problem to be solved urgently in the current market.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides an anti-H2The long-acting paint film corroded by S gas comprises a raw material of the long-acting paint film, wherein the raw material of the long-acting paint film comprises a component A and a component B in a weight ratio (4.5-6.5): 1; wherein, the component A comprises the following components in parts by weight: 40-65 parts of vinyl modified fluorocarbon resin, 5-10 parts of inorganic alcohol-soluble ceramic resin, 3-5 parts of nano barium sulfate, 3-5 parts of environment-friendly zinc phosphate, 2-5 parts of 10% graphene dispersed slurry, 10-20 parts of inorganic pigment, 0.2-1 part of dispersing agent, 0.1-0.3 part of defoaming agent, 0.1-0.3 part of flatting agent, 1-3 parts of polyamide wax slurry, 0.2-0.5 part of gas silicon and 13-16 parts of mixed solvent;
the component B is an isocyanate curing agent.
Preferably, the preparation of the vinyl modified fluorocarbon resin is carried out according to the following steps:
(1) preparing a fluorocarbon monomer:
s1: weighing 15g of perfluorozincic acid and 9g of thionyl chloride, adding the perfluorozincic acid and the 9g of thionyl chloride into a four-neck flask, then adding a catalyst N, N-dimethylformamide, reacting for 1 hour at 85 ℃, carrying out reduced pressure distillation after the reaction is finished, and collecting distillate at 60-72 ℃ under the pressure of 1.07KPa to obtain perfluorooctanoyl chloride;
s2: weighing 2.5g of ethanolamine and 10ml of tetrahydrofuran, adding the ethanolamine and the tetrahydrofuran into a four-neck flask, cooling the mixture to below 5 ℃ in an ice salt bath, slowly dropwise adding 8.5g of perfluorooctanoic acid chloride under the stirring condition, heating the mixture to 30 ℃ after the dropwise adding is finished, reacting for 2 to 4 hours, removing the tetrahydrofuran by reduced pressure distillation after the reaction is finished, adding 10ml of hot water with the temperature of 70 ℃, washing the mixture, separating the mixture while the mixture is hot, adjusting the pH value to be 7.5 to 8.0, washing the mixture for 1 to 2 times with the hot water, and recrystallizing the mixture for 2 to 3 times with chloroform to obtain N-hydroxyethyl perfluorooctanoic amide;
s3: weighing 1.74g of 2, 4-toluene diisocyanate and 4mL of methyl isobutyl ketone, adding into a four-neck flask, dropwise adding 1-2 drops of dibutyltin dilaurate, heating to 65-70 ℃ under a nitrogen atmosphere condition, dropwise adding 4.57g N-hydroxyethyl perfluorooctanoic acid amine and 12mL of methyl isobutyl ketone solution, wherein the dropwise adding time is 0.8-1.2h, preserving heat for 2.5-3.5h after the dropwise adding is finished, supplementing 2-3 drops of dibutyltin dilaurate, heating to 75-80 ℃, dropwise adding 1.6g of methacrylic acid-beta-hydroxyethyl ester, preserving heat for reacting for 3-5h, removing the methyl isobutyl ketone by reduced pressure distillation after the reaction is finished, and recrystallizing for 2-3 times by adopting tetrahydrofuran to obtain the fluorocarbon monomer;
(2) preparation of vinyl modified fluorocarbon resin
Adding ester oligomer modifier and initiator azobisisobutyronitrile into a reaction kettle, vacuumizing the reaction kettle with the vacuum degree of 2 multiplied by 10-5Mpa, adding a metered fluorocarbon monomer into the reaction kettle, heating to 80-90 ℃, reacting for 19-22h under the condition of stirring, vacuumizing to the vacuum degree of-0.1 Mpa, and replacing the gas in the system with nitrogen to normal pressure to obtain the vinyl modified fluorocarbon resin; wherein the mass ratio of the ester oligomer modifier, the fluorocarbon monomer and the initiator is 1 (0.6-0.85) to 0.0005-0.0007.
Preferably, the mixed solvent is a mixture of benzene solvent, ester solvent, hydrocarbon solvent, ketone solvent and ether solvent in a mass ratio of 3:4:1:1: 1.
Preferably, the ester oligomer modifier is a modifier mixed by methyl methacrylate, ethyl acrylate and butyl acrylate according to the mass ratio of 1 (0.2-0.6) to (0.3-0.8).
anti-H2The preparation method of the long-acting paint film corroded by the S gas comprises the following steps:
(1) adding vinyl modified fluorocarbon resin and inorganic alcohol-soluble ceramic resin into a production cylinder, adding a dispersing agent, a defoaming agent, polyamide wax slurry and 60% of mixed solvent while stirring at the condition of 600-800rpm/min, and stirring for 3-5 min;
(2) adding inorganic pigment, nano barium sulfate and gas silicon, stirring at 1000rpm/min of 800-;
(3) adding the graphene dispersion slurry, and stirring at 1000-1200rpm/min for 15-20 min;
(4) adding the flatting agent and the residual 40 percent of mixed solvent, and stirring at the speed of 1000rpm/min of 800-.
Has the advantages that:
the base resin obtained by grafting the vinyl and the fluorocarbon resin has excellent chemical resistance and weather resistance, and a paint film has the following properties through a performance test: fast drying, no foaming of thick coating, good leveling property, high hardness, good abrasive property, high gloss, good water resistance, super-good strong acid and alkali resistance, good weather resistance and the like, and can be applied to the fields of petroleum and petrochemical industry, acid and alkali plants, chemical synthesis workshops, chemical reagent transportation vehicles, sewage treatment and the like.
Detailed Description
For the purpose of enhancing understanding of the present invention, the present invention will be further described in detail with reference to the following examples, which are provided for illustration only and are not to be construed as limiting the scope of the present invention.
The following examples used the following starting materials:
vinyl modified fluorocarbon resin (self-made)
Inorganic alcohol-soluble ceramic resin (4017 today chemical industry)
Nano barium sulfate (Changhe chemical industry)
Graphene dispersion (Jiangsu high-pass new material)
Environmental protection zinc phosphate (PZ20 Huan Qi chemical industry)
Inorganic pigment (Hangzhou Xinle Shi)
Dispersant (BYK163 BYK)
Defoaming agent (5800F Haiming Si)
Flatting agent (466 Hui Zhengxing)
Polyamide wax slurry (6900-20 Tisbarone)
Gas silicon (N20 Shanghai Hai Yi)
The group allocation in each example is shown in table 1.
TABLE 1
The preparation method comprises the following steps:
(1) preparing a fluorocarbon monomer:
s1: weighing 15g of perfluorozincic acid and 9g of thionyl chloride, adding the perfluorozincic acid and the 9g of thionyl chloride into a four-neck flask, then adding a catalyst N, N-dimethylformamide, reacting for 1 hour at 85 ℃, carrying out reduced pressure distillation after the reaction is finished, and collecting distillate at 60-72 ℃ under the pressure of 1.07KPa to obtain perfluorooctanoyl chloride;
s2: weighing 2.5g of ethanolamine and 10ml of tetrahydrofuran, adding the ethanolamine and the tetrahydrofuran into a four-neck flask, cooling the mixture to below 5 ℃ in an ice salt bath, slowly dropwise adding 8.5g of perfluorooctanoic acid chloride under the stirring condition, heating the mixture to 30 ℃ after the dropwise adding is finished, reacting for 2 to 4 hours, removing the tetrahydrofuran by reduced pressure distillation after the reaction is finished, adding 10ml of hot water with the temperature of 70 ℃, washing the mixture, separating the mixture while the mixture is hot, adjusting the pH value to be 7.5 to 8.0, washing the mixture for 1 to 2 times with the hot water, and recrystallizing the mixture for 2 to 3 times with chloroform to obtain N-hydroxyethyl perfluorooctanoic amide;
s3: weighing 1.74g of 2, 4-toluene diisocyanate and 4mL of methyl isobutyl ketone, adding into a four-neck flask, dropwise adding 1-2 drops of dibutyltin dilaurate, heating to 65-70 ℃ under a nitrogen atmosphere condition, dropwise adding 4.57g N-hydroxyethyl perfluorooctanoic acid amine and 12mL of methyl isobutyl ketone solution, wherein the dropwise adding time is 0.8-1.2h, preserving heat for 2.5-3.5h after the dropwise adding is finished, supplementing 2-3 drops of dibutyltin dilaurate, heating to 75-80 ℃, dropwise adding 1.6g of methacrylic acid-beta-hydroxyethyl ester, preserving heat for reacting for 3-5h, removing the methyl isobutyl ketone by reduced pressure distillation after the reaction is finished, and recrystallizing for 2-3 times by adopting tetrahydrofuran to obtain the fluorocarbon monomer;
(2) preparation of vinyl modified fluorocarbon resin
Adding ester oligomer modifier and initiator azobisisobutyronitrile into a reaction kettle, vacuumizing the reaction kettle with the vacuum degree of 2 multiplied by 10-5Mpa, adding a metered fluorocarbon monomer into the reaction kettle, heating to 80-90 ℃, reacting for 19-22h under the condition of stirring, vacuumizing to the vacuum degree of-0.1 Mpa, and replacing the gas in the system with nitrogen to normal pressure to obtain the vinyl modified fluorocarbon resin; wherein the mass ratio of the ester oligomer modifier, the fluorocarbon monomer and the initiator is 1 (0.6-0.85) to 0.0005-0.0007;
(3) adding vinyl modified fluorocarbon resin and inorganic alcohol-soluble ceramic resin into a production cylinder, adding a dispersing agent, a defoaming agent, polyamide wax slurry and 60% of mixed solvent while stirring at the condition of 600-800rpm/min, and stirring for 3-5 min;
(4) adding inorganic pigment, nano barium sulfate and gas silicon, stirring at 1000rpm/min of 800-;
(5) adding the graphene dispersion slurry, and stirring at 1000-1200rpm/min for 15-20 min;
(6) adding the flatting agent and the residual 40 percent of mixed solvent, and stirring at the speed of 1000rpm/min of 800-.
Performance testing
And (3) dry plate realization: mixing the component A and the component B in each example according to the weight ratio of 5:1, diluting the mixed solvent to spraying viscosity, controlling the spraying viscosity to be 20-30S (T-4 cup), spraying the plate, placing the dried plate in a thermostat at 25 ℃ for self-drying for 48 hours to detect the conventional performance, testing the water resistance, the acid resistance, the alkali resistance and the weather resistance after curing for 7 days, comparing the comprehensive performance of the product with the products disclosed in the prior patents (publication numbers: CN103666201B and CN101074338B), and obtaining the comparison result shown in Table 2;
the performance detection method comprises the following steps: fineness is performed in accordance with GB/T6753.1, drying time is performed in accordance with GB/T1728, thickness is performed in accordance with GB/T13452.2, bending is performed in accordance with GB/T6742, impact is performed in accordance with GB/T1732, lattice testing is performed in accordance with GB/T9286, gloss is performed in accordance with GB/T9754, hardness is performed in accordance with GB/T6739, water resistance is performed in accordance with GB/T1733, chemical resistance is performed in accordance with GB/T9274, salt spray resistance is performed in accordance with GB/T1771, and weather resistance is performed in accordance with GB/T14522.
TABLE 2
The data in table 2 show that the vinyl modified fluorocarbon resin composite inorganic alcohol-soluble ceramic resin has excellent acid resistance and alkali resistance, and also has excellent weather resistance and salt spray resistance; the acid resistance of the coating is better than that of the coating products disclosed in the prior patents (publication numbers: CN103666201B and CN101074338B), and the coating is corrosion-free when soaked for a long time under the temperature condition of 0-60 ℃ for different types of acids, especially for H with different concentrations at high temperature2S gas has very strong anti-corrosion capability. The hardness of a paint film is as high as 4H, and the paint film has excellent weather resistance, can be directly coated on the surface of a substrate, can be widely applied to the inner and outer walls of a petroleum and petrochemical gas holder, and has excellent protection capability.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. anti-H2The long-acting paint film corroded by S gas is characterized in that the raw material of the long-acting paint film consists of a component A and a component B according to the weight ratio (4.5-6.5) to 1; wherein, the component A comprises the following components in parts by weight: 40-65 parts of vinyl modified fluorocarbon resin, 5-10 parts of inorganic alcohol-soluble ceramic resin, 3-5 parts of nano barium sulfate, 3-5 parts of environment-friendly zinc phosphate, 2-5 parts of 10% graphene dispersed slurry, 10-20 parts of inorganic pigment, 0.2-1 part of dispersing agent, 0.1-0.3 part of defoaming agent, 0.1-0.3 part of flatting agent, 1-3 parts of polyamide wax slurry, 0.2-0.5 part of gas silicon and 13-16 parts of mixed solvent;
the component B is an isocyanate curing agent.
2. An anti-H according to claim 12The long-acting paint film corroded by S gas is characterized in that the preparation of the vinyl modified fluorocarbon resin is carried out according to the following steps:
(1) preparing a fluorocarbon monomer:
s1: weighing 15g of perfluorozincic acid and 9g of thionyl chloride, adding the perfluorozincic acid and the 9g of thionyl chloride into a four-neck flask, then adding a catalyst N, N-dimethylformamide, reacting for 1 hour at 85 ℃, carrying out reduced pressure distillation after the reaction is finished, and collecting distillate at 60-72 ℃ under the pressure of 1.07KPa to obtain perfluorooctanoyl chloride;
s2: weighing 2.5g of ethanolamine and 10ml of tetrahydrofuran, adding the ethanolamine and the tetrahydrofuran into a four-neck flask, cooling the mixture to below 5 ℃ in an ice salt bath, slowly dropwise adding 8.5g of perfluorooctanoic acid chloride under the stirring condition, heating the mixture to 30 ℃ after the dropwise adding is finished, reacting for 2 to 4 hours, removing the tetrahydrofuran by reduced pressure distillation after the reaction is finished, adding 10ml of hot water with the temperature of 70 ℃, washing the mixture, separating the mixture while the mixture is hot, adjusting the pH value to be 7.5 to 8.0, washing the mixture for 1 to 2 times with the hot water, and recrystallizing the mixture for 2 to 3 times with chloroform to obtain N-hydroxyethyl perfluorooctanoic amide;
s3: weighing 1.74g of 2, 4-toluene diisocyanate and 4mL of methyl isobutyl ketone, adding into a four-neck flask, dropwise adding 1-2 drops of dibutyltin dilaurate, heating to 65-70 ℃ under a nitrogen atmosphere condition, dropwise adding 4.57g N-hydroxyethyl perfluorooctanoic acid amine and 12mL of methyl isobutyl ketone solution, wherein the dropwise adding time is 0.8-1.2h, preserving heat for 2.5-3.5h after the dropwise adding is finished, supplementing 2-3 drops of dibutyltin dilaurate, heating to 75-80 ℃, dropwise adding 1.6g of methacrylic acid-beta-hydroxyethyl ester, preserving heat for reacting for 3-5h, removing the methyl isobutyl ketone by reduced pressure distillation after the reaction is finished, and recrystallizing for 2-3 times by adopting tetrahydrofuran to obtain the fluorocarbon monomer;
(2) preparation of vinyl modified fluorocarbon resin
Adding ester oligomer modifier and initiator azobisisobutyronitrile into a reaction kettle, vacuumizing the reaction kettle with the vacuum degree of 2 multiplied by 10-5Mpa, adding the fluorocarbon monomer with the measured weight into the reaction kettle, heating to 80-90 ℃, reacting for 19-22h under the condition of stirring, and vacuumizing to the vacuum degree of-0.1Mpa, replacing the gas in the system with nitrogen to normal pressure to obtain the vinyl modified fluorocarbon resin; wherein the mass ratio of the ester oligomer modifier, the fluorocarbon monomer and the initiator is 1 (0.6-0.85) to 0.0005-0.0007.
3. An anti-H according to claim 12The long-acting paint film corroded by S gas is characterized in that the mixed solvent is a mixture of benzene solvent, ester solvent, hydrocarbon solvent, ketone solvent and ether solvent according to the mass ratio of 3:4:1:1: 1.
4. An anti-H according to claim 22The long-acting paint film corroded by S gas is characterized in that the ester oligomer modifier is a modifier mixed by methyl methacrylate, ethyl acrylate and butyl acrylate according to the mass ratio of 1 (0.2-0.6) to 0.3-0.8.
5. An anti-H according to claim 1 or 22The preparation method of the long-acting paint film corroded by S gas is characterized by comprising the following steps:
(1) adding vinyl modified fluorocarbon resin and inorganic alcohol-soluble ceramic resin into a production cylinder, adding a dispersing agent, a defoaming agent, polyamide wax slurry and 60% of mixed solvent while stirring at the condition of 600-800rpm/min, and stirring for 3-5 min;
(2) adding inorganic pigment, nano barium sulfate and gas silicon, stirring at 1000rpm/min of 800-;
(3) adding the graphene dispersion slurry, and stirring at 1000-1200rpm/min for 15-20 min;
(4) adding the flatting agent and the residual 40 percent of mixed solvent, and stirring at the speed of 1000rpm/min of 800-.
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| CN202010909350.5A CN111961381A (en) | 2020-09-02 | 2020-09-02 | anti-H2Long-acting paint film of S gas erosion |
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| CN202010909350.5A CN111961381A (en) | 2020-09-02 | 2020-09-02 | anti-H2Long-acting paint film of S gas erosion |
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Cited By (1)
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| CN115491089A (en) * | 2022-09-29 | 2022-12-20 | 山东海天七彩建材有限公司 | Modified carbon nano tube-fluorocarbon resin and application thereof in wear-resistant aluminum veneer |
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2020
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| CN105647356A (en) * | 2016-01-19 | 2016-06-08 | 杭州吉华高分子材料股份有限公司 | High-temperature-resistant anticorrosive paint |
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| CN115491089A (en) * | 2022-09-29 | 2022-12-20 | 山东海天七彩建材有限公司 | Modified carbon nano tube-fluorocarbon resin and application thereof in wear-resistant aluminum veneer |
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