CN112391100A - Preparation method of water-based paint for improving surface performance of pig iron casting - Google Patents
Preparation method of water-based paint for improving surface performance of pig iron casting Download PDFInfo
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- CN112391100A CN112391100A CN202011353318.XA CN202011353318A CN112391100A CN 112391100 A CN112391100 A CN 112391100A CN 202011353318 A CN202011353318 A CN 202011353318A CN 112391100 A CN112391100 A CN 112391100A
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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
- 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
- C09D7/70—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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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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Abstract
The invention discloses a preparation method of water-based paint for improving surface performance of pig iron castings, belonging to the technical field of water-based paint preparation and comprising the following steps: (1) preparing functional filler; (2) weighing raw materials; (3) and (5) performing dispersion treatment. The invention provides a preparation method of water paint for improving the surface performance of pig iron castings, which can effectively improve the oil resistance, the water resistance and the wear resistance of the water paint by adding a special functional filler in the preparation of the water paint, improve the film hardness of the water paint, and greatly improve the quality of the water paint.
Description
Technical Field
The invention belongs to the technical field of water-based paint preparation, and particularly relates to a preparation method of water-based paint for improving surface performance of a pig iron casting.
Background
The carbon in the cast pig iron is present in the form of flake graphite, whose fracture is grey, also commonly called grey iron. The graphite is soft and has lubricating effect, so that the cast pig iron has good cutting, wear-resisting and casting properties. However, it has insufficient tensile strength, so that it cannot be forged and rolled, and can only be used for making various castings, such as various machine tool seats, iron pipes, etc. The cast iron is limited by the characteristics of the cast iron, cannot be completely and directly applied to assembly after casting, and needs to be subjected to surface treatment to improve the comprehensive performance of the surface of a casting. In particular to the enhancement of the characteristics of wear resistance, temperature resistance, corrosion resistance, oxidation resistance and the like, the coating is mostly adopted to improve the service performance of the casting nowadays, but the coating sold on the market nowadays has the problems of paint film falling and poor improvement performance. If the application number is: CN201811294750.9 discloses a coating for pig iron castings and a preparation method thereof. The composition consists of the following components: polyethylene glycol, gamma resin, copal resin, hide glue, rosin, vinyl distearamide, silicon dioxide, ferric ammonium citrate, succinic acid monoglyceride, calcium lactate, polyoxyethylene polyoxypropylene pentaerythritol ether and modified filler. The invention reasonably matches the raw materials according to the use characteristics of the pig iron casting, and the finally prepared coating has good adhesion, good heat resistance, wear resistance and crack resistance, stable performance, can effectively improve the use performance of the pig iron casting, and has good economic benefit and market popularization and application value. The improvement effect is more general, and the market demand is difficult to meet.
Disclosure of Invention
The invention aims to solve the existing problems and provides a preparation method of a water-based paint for improving the surface performance of a pig iron casting.
The invention is realized by the following technical scheme:
a preparation method of water paint for improving surface performance of pig iron castings comprises the following steps:
(1) preparing functional filler:
a. placing graphene in a graphene dispersing agent, performing ultrasonic dispersion, and stirring to obtain a graphene suspension for later use;
b. pouring the graphene suspension obtained in the operation a onto a polytetrafluoroethylene filtering membrane, and performing suction filtration by using a suction filtration device in an environment of 400-500 kPa to prepare a graphene film for later use;
c. c, placing the graphene film obtained in the operation b on flame for flame treatment, and then keeping the graphene film for later use;
d. uniformly spraying and blowing the nano graphite powder to the surface of the graphene film subjected to flame treatment in the operation c through argon, and then, preparing for later use;
e. immersing the graphene film treated in the operation d into the treatment solution, performing ultrasonic treatment under a constant temperature condition, centrifuging after 1-2 h, washing the precipitate with deionized water for 4-8 times, and drying;
(2) weighing raw materials:
weighing 12-14 parts of the functional filler obtained in the step (1), 79-89 parts of epoxy resin, 13-17 parts of shellac, 1-2 parts of calcium stearate, 0.5-0.9 part of propylene glycol methyl ether acetate, 2-3 parts of silicone oil, 2-3 parts of carboxymethyl cellulose, 0.5-0.9 part of polydimethylsiloxane, 0.3-0.6 part of magnesium stearate and deionized water for later use;
(3) and (3) dispersion treatment:
and (3) sequentially putting all the raw materials weighed in the step (2) into a dispersion cylinder, and carrying out constant-temperature uniform stirring treatment for 2-4 hours.
Further, the frequency of the ultrasound is controlled to be 30-50 kHz during the ultrasound dispersion treatment in the operation a of the step (1).
Further, during the flame treatment in the operation c in the step (1), the distance between the graphene film and the flame outer flame is 1-2 cm, and the flame treatment time is 5-7 min.
By adopting the technical scheme, the graphene dispersion liquid is placed on a polytetrafluoroethylene filter membrane to prepare a graphene film, then the graphene film is placed on flame for flame treatment, when the flame treatment is carried out, the flame contains free radicals such as O, NO, OH, NH and the like in an excited state, then the oxidation is carried out on the surface of the graphene film according to a free radical mechanism, meanwhile, some polar oxygen-containing groups are introduced to form polar groups, the surface adhesion and wettability are improved, and meanwhile, the surface of the graphene is slightly etched.
Further, the thickness of the nano graphite powder injection in the operation d in the step (1) is 2-4 μm.
By adopting the technical scheme, the nano graphite powder is sprayed to the flame-treated graphene film in a spraying and blowing mode, is bonded to the graphene film, forms a reinforcing tissue on the graphene film, and generates a protruding antenna, so that the specific surface area of the graphene film is increased, and the filling performance of the graphene is improved.
Further, the treating fluid in the operation e of the step (1) comprises the following components in percentage by weight: 7-9% of titanate coupling agent, 12-16% of sodium dodecyl benzene sulfonate, 3-6% of fulvic acid, 1-2% of polyethylene glycol, 0.8-0.9% of sodium diacetate, 1.2-1.6% of butyl titanate and the balance of deionized water.
By adopting the technical scheme, the graphene film is immersed into the treatment liquid, and ultrasonic treatment is carried out under the constant temperature condition, so that the formation of the graphene-nano graphite powder composite structure component is promoted, and the elution of the functional filler is facilitated.
Further, the constant temperature condition in the operation e in the step (1) is 80-90 ℃, and the ultrasonic frequency is controlled to be 60-100 kHz during ultrasonic treatment.
Further, the temperature is controlled to be 80-90 ℃ during constant-temperature uniform stirring treatment in the step (3), and the stirring speed is 400-600 rpm.
Compared with the prior art, the invention has the following advantages:
the invention provides a preparation method of water paint for improving the surface performance of pig iron castings, which can effectively improve the oil resistance, the water resistance and the wear resistance of the water paint by adding a special functional filler in the preparation of the water paint, improve the film hardness of the water paint, and greatly improve the quality of the water paint.
Detailed Description
A preparation method of water paint for improving surface performance of pig iron castings comprises the following steps:
(1) preparing functional filler:
a. placing graphene in a graphene dispersing agent, ultrasonically dispersing the graphene at 30-50 kHz, and stirring to obtain a graphene suspension for later use;
b. pouring the graphene suspension obtained in the operation a onto a polytetrafluoroethylene filtering membrane, and performing suction filtration by using a suction filtration device in an environment of 400-500 kPa to prepare a graphene film for later use;
c. placing the graphene film obtained in the operation b on flame for flame treatment, wherein the distance between the graphene film and the flame is 1-2 cm, the flame treatment time is 5-7 min, and the graphene film is ready for use;
d. uniformly spraying and blowing nano graphite powder onto the surface of the graphene film subjected to flame treatment in the operation c through argon, wherein the thickness of the sprayed nano graphite powder is 2-4 microns, and the nano graphite powder is ready for use;
e. immersing the graphene film treated in the operation d into a treatment solution, performing ultrasonic treatment at a constant temperature of 80-90 ℃, controlling the ultrasonic frequency to be 60-100 kHz during ultrasonic treatment, centrifuging after 1-2 h, washing the precipitate with deionized water for 4-8 times, and drying; wherein the treating fluid comprises the following components in percentage by weight: 7-9% of titanate coupling agent, 12-16% of sodium dodecyl benzene sulfonate, 3-6% of fulvic acid, 1-2% of polyethylene glycol, 0.8-0.9% of sodium diacetate, 1.2-1.6% of butyl titanate and the balance of deionized water;
(2) weighing raw materials:
weighing 12-14 parts of the functional filler obtained in the step (1), 79-89 parts of epoxy resin, 13-17 parts of shellac, 1-2 parts of calcium stearate, 0.5-0.9 part of propylene glycol methyl ether acetate, 2-3 parts of silicone oil, 2-3 parts of carboxymethyl cellulose, 0.5-0.9 part of polydimethylsiloxane, 0.3-0.6 part of magnesium stearate and deionized water for later use;
(3) and (3) dispersion treatment:
and (3) sequentially putting all the raw materials weighed in the step (2) into a dispersion cylinder, and carrying out constant-temperature uniform stirring treatment for 2-4 hours, wherein the temperature is controlled to be 80-90 ℃ during the constant-temperature uniform stirring treatment, and the stirring speed is 400-600 rpm.
For further explanation of the present invention, reference will now be made to the following specific examples.
Example 1
A preparation method of water paint for improving surface performance of pig iron castings comprises the following steps:
(1) preparing functional filler:
a. placing graphene in a graphene dispersing agent, ultrasonically dispersing at 30kHz, and stirring to obtain a graphene suspension for later use;
b. pouring the graphene suspension obtained in the operation a onto a polytetrafluoroethylene filtering membrane, and performing suction filtration by using a suction filtration device in a 400kPa environment to prepare a graphene film for later use;
c. c, placing the graphene film obtained in the operation b on flame for flame treatment, wherein during the flame treatment, the distance between the graphene film and the flame outside the flame is 1cm, the flame treatment time is 5min, and the graphene film is ready for use after the flame treatment;
d. uniformly spraying and blowing nano graphite powder to the surface of the graphene film subjected to flame treatment in the operation c through argon, wherein the thickness of the sprayed nano graphite powder is 2 microns, and the nano graphite powder is ready for use;
e. immersing the graphene film treated in the operation d into a treatment solution, performing ultrasonic treatment at a constant temperature of 80 ℃, controlling the ultrasonic frequency to be 60kHz during ultrasonic treatment, centrifuging after 1 hour of treatment, washing the precipitate with deionized water for 4 times, and drying; wherein the treating fluid comprises the following components in percentage by weight: titanate coupling agent 7%, sodium dodecyl benzene sulfonate 12%, fulvic acid 3%, polyethylene glycol 1%, sodium diacetate 0.8%, butyl titanate 1.2%, and the balance of deionized water;
(2) weighing raw materials:
weighing 12 parts of the functional filler obtained in the step (1), 79 parts of epoxy resin, 13 parts of shellac, 1 part of calcium stearate, 0.5 part of propylene glycol methyl ether acetate, 2 parts of silicone oil, 2 parts of carboxymethyl cellulose, 0.5 part of polydimethylsiloxane, 0.3 part of magnesium stearate and deionized water in corresponding parts by weight for later use;
(3) and (3) dispersion treatment:
and (3) sequentially putting all the raw materials weighed in the step (2) into a dispersion cylinder, and carrying out constant-temperature uniform stirring treatment for 2 hours, wherein the temperature is controlled to be 80 ℃ during the constant-temperature uniform stirring treatment, and the stirring speed is 400 rpm.
Example 2
A preparation method of water paint for improving surface performance of pig iron castings comprises the following steps:
(1) preparing functional filler:
a. placing graphene in a graphene dispersing agent, ultrasonically dispersing at 40kHz, and stirring to obtain a graphene suspension for later use;
b. pouring the graphene suspension obtained in the operation a onto a polytetrafluoroethylene filtering membrane, and performing suction filtration by using a suction filtration device in an environment of 450kPa to prepare a graphene film for later use;
c. c, placing the graphene film obtained in the operation b on flame for flame treatment, wherein during the flame treatment, the distance between the graphene film and the flame outer flame is 1.5cm, the flame treatment time is 6min, and the graphene film is ready for use;
d. uniformly spraying and blowing nano graphite powder to the surface of the graphene film subjected to flame treatment in the operation c through argon, wherein the thickness of the sprayed nano graphite powder is 3 microns, and the nano graphite powder is ready for use;
e. immersing the graphene film treated in the operation d into a treatment solution, performing ultrasonic treatment at a constant temperature of 85 ℃, controlling the ultrasonic frequency to be 80kHz during ultrasonic treatment, centrifuging after 1.5h of treatment, washing the precipitate with deionized water for 6 times, and drying; wherein the treating fluid comprises the following components in percentage by weight: titanate coupling agent 8%, sodium dodecyl benzene sulfonate 14%, fulvic acid 4.5%, polyethylene glycol 1.5%, sodium diacetate 0.85%, butyl titanate 1.4%, and the balance of deionized water;
(2) weighing raw materials:
weighing 13 parts of functional filler obtained in the step (1), 84 parts of epoxy resin, 15 parts of shellac, 1.5 parts of calcium stearate, 0.7 part of propylene glycol methyl ether acetate, 2.5 parts of silicone oil, 2.5 parts of carboxymethyl cellulose, 0.7 part of polydimethylsiloxane, 0.45 part of magnesium stearate and deionized water in corresponding parts by weight for later use;
(3) and (3) dispersion treatment:
and (3) sequentially putting all the raw materials weighed in the step (2) into a dispersion cylinder, and carrying out constant-temperature uniform stirring treatment for 3 hours, wherein the temperature is controlled to be 85 ℃ during the constant-temperature uniform stirring treatment, and the stirring speed is 500 rpm.
Example 3
A preparation method of water paint for improving surface performance of pig iron castings comprises the following steps:
(1) preparing functional filler:
a. placing graphene in a graphene dispersing agent, ultrasonically dispersing at 50kHz, and stirring to obtain a graphene suspension for later use;
b. pouring the graphene suspension obtained in the operation a onto a polytetrafluoroethylene filtering membrane, and performing suction filtration by using a suction filtration device in the environment of 500kPa to prepare a graphene film for later use;
c. c, placing the graphene film obtained in the operation b on flame for flame treatment, wherein during the flame treatment, the distance between the graphene film and the flame outside the flame is 2cm, the flame treatment time is 7min, and the graphene film is ready for use;
d. uniformly spraying and blowing nano graphite powder onto the surface of the graphene film subjected to flame treatment in the operation c through argon, wherein the thickness of the sprayed nano graphite powder is 4 microns, and the nano graphite powder is ready for use;
e. immersing the graphene film treated in the operation d into a treatment solution, performing ultrasonic treatment at a constant temperature of 90 ℃, controlling the ultrasonic frequency to be 100kHz during the ultrasonic treatment, centrifuging after 2 hours of treatment, washing the precipitate with deionized water for 8 times, and drying; wherein the treating fluid comprises the following components in percentage by weight: titanate coupling agent 9%, sodium dodecyl benzene sulfonate 16%, fulvic acid 6%, polyethylene glycol 2%, sodium diacetate 0.9%, butyl titanate 1.6%, and the balance of deionized water;
(2) weighing raw materials:
weighing 14 parts of the functional filler obtained in the step (1), 89 parts of epoxy resin, 17 parts of shellac, 2 parts of calcium stearate, 0.9 part of propylene glycol methyl ether acetate, 3 parts of silicone oil, 3 parts of carboxymethyl cellulose, 0.9 part of polydimethylsiloxane, 0.6 part of magnesium stearate and deionized water in corresponding parts by weight for later use;
(3) and (3) dispersion treatment:
and (3) sequentially putting all the raw materials weighed in the step (2) into a dispersion cylinder, and carrying out constant-temperature uniform stirring treatment for 4 hours, wherein the temperature is controlled to be 90 ℃ during the constant-temperature uniform stirring treatment, and the stirring speed is 600 rpm.
Example 4
A preparation method of water paint for improving surface performance of pig iron castings comprises the following steps:
(1) weighing raw materials:
weighing 13 parts of graphene, 84 parts of epoxy resin, 15 parts of shellac, 1.5 parts of calcium stearate, 0.7 part of propylene glycol methyl ether acetate, 2.5 parts of silicone oil, 2.5 parts of carboxymethyl cellulose, 0.7 part of polydimethylsiloxane, 0.45 part of magnesium stearate and deionized water for later use;
(2) and (3) dispersion treatment:
and (2) sequentially putting all the raw materials weighed in the step (1) into a dispersion cylinder, and carrying out constant-temperature uniform stirring treatment for 3 hours, wherein the temperature is controlled to be 85 ℃ during the constant-temperature uniform stirring treatment, and the stirring speed is 500 rpm.
Example 5
A preparation method of water paint for improving surface performance of pig iron castings comprises the following steps:
(1) weighing raw materials:
weighing 97 parts of epoxy resin, 15 parts of shellac, 1.5 parts of calcium stearate, 0.7 part of propylene glycol methyl ether acetate, 2.5 parts of silicone oil, 2.5 parts of carboxymethyl cellulose, 0.7 part of polydimethylsiloxane, 0.45 part of magnesium stearate and deionized water for later use;
(2) and (3) dispersion treatment:
and (2) sequentially putting all the raw materials weighed in the step (1) into a dispersion cylinder, and carrying out constant-temperature uniform stirring treatment for 3 hours, wherein the temperature is controlled to be 85 ℃ during the constant-temperature uniform stirring treatment, and the stirring speed is 500 rpm.
Control group
The application numbers are: CN201811294750.9 discloses a coating for pig iron castings and a preparation method thereof. Reference is made in detail to the method of this invention in its detailed description section example 2.
In order to compare the effects of the invention, the aqueous paints were prepared by the methods of example 2, example 4, example 5 and the control group, respectively, and then the properties of the aqueous paints were measured simultaneously by measuring the hardness with reference to GB/T6739-1996; abrasion resistance was determined with reference to GB/T1768-1979 (1989); GB/T9274-1988 tests the water resistance of a paint film by a chemical reagent resistance test method (a soaking method); each group of indexes is subjected to 5 parallel tests at any time during measurement, and the average value is taken as a final test result. Test comparative data for hardness, abrasion resistance, water resistance, and abrasion resistance are shown in table 1 below.
TABLE 1
As can be seen from the above table 1, the invention provides a preparation method of the water-based paint for improving the surface performance of the pig iron casting, and the oil resistance, the water resistance and the wear resistance of the water-based paint can be effectively improved by adding the special functional filler in the preparation of the water-based paint, the paint film hardness of the water-based paint is improved, and the quality of the water-based paint is improved to a great extent.
Claims (7)
1. A preparation method of water paint for improving surface performance of pig iron castings is characterized by comprising the following steps:
(1) preparing functional filler:
a. placing graphene in a graphene dispersing agent, performing ultrasonic dispersion, and stirring to obtain a graphene suspension for later use;
b. pouring the graphene suspension obtained in the operation a onto a polytetrafluoroethylene filtering membrane, and performing suction filtration by using a suction filtration device in an environment of 400-500 kPa to prepare a graphene film for later use;
c. c, placing the graphene film obtained in the operation b on flame for flame treatment, and then keeping the graphene film for later use;
d. uniformly spraying and blowing the nano graphite powder to the surface of the graphene film subjected to flame treatment in the operation c through argon, and then, preparing for later use;
e. immersing the graphene film treated in the operation d into the treatment solution, performing ultrasonic treatment under a constant temperature condition, centrifuging after 1-2 h, washing the precipitate with deionized water for 4-8 times, and drying;
(2) weighing raw materials:
weighing 12-14 parts of the functional filler obtained in the step (1), 79-89 parts of epoxy resin, 13-17 parts of shellac, 1-2 parts of calcium stearate, 0.5-0.9 part of propylene glycol methyl ether acetate, 2-3 parts of silicone oil, 2-3 parts of carboxymethyl cellulose, 0.5-0.9 part of polydimethylsiloxane, 0.3-0.6 part of magnesium stearate and deionized water for later use;
(3) and (3) dispersion treatment:
and (3) sequentially putting all the raw materials weighed in the step (2) into a dispersion cylinder, and carrying out constant-temperature uniform stirring treatment for 2-4 hours.
2. The method for preparing an aqueous paint for improving the surface properties of pig iron castings according to claim 1, characterized in that the ultrasonic dispersion treatment in the operation a of step (1) is performed at a frequency of 30 to 50 kHz.
3. The method for preparing the water-based paint for improving the surface properties of the pig iron castings according to claim 1, wherein the flame treatment in the operation c of the step (1) is carried out for 5-7 min, and the distance between the graphene film and the flame outer flame is 1-2 cm.
4. The method for preparing the water paint for improving the surface property of the pig iron casting according to claim 1, wherein the thickness of the nano graphite powder sprayed in the operation d of the step (1) is 2-4 μm.
5. The method for preparing the water-based paint for improving the surface performance of the pig iron casting as claimed in claim 1, wherein the treating fluid in the step (1) operation e comprises the following components in percentage by weight: 7-9% of titanate coupling agent, 12-16% of sodium dodecyl benzene sulfonate, 3-6% of fulvic acid, 1-2% of polyethylene glycol, 0.8-0.9% of sodium diacetate, 1.2-1.6% of butyl titanate and the balance of deionized water.
6. The method for preparing the water-based paint for improving the surface properties of the pig iron castings according to claim 1, wherein the constant temperature in the operation e of the step (1) is 80 to 90 ℃, and the ultrasonic frequency is controlled to be 60 to 100kHz during the ultrasonic treatment.
7. The preparation method of the water-based paint for improving the surface performance of the pig iron casting according to claim 1, wherein the temperature is controlled to be 80-90 ℃ during the constant-temperature uniform stirring treatment in the step (3), and the stirring speed is 400-600 rpm.
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CN113997671A (en) * | 2021-11-11 | 2022-02-01 | 益盐堂(应城)食品包装有限公司 | Anti-counterfeiting printed packaging composite film and preparation method thereof |
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Cited By (1)
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CN113997671A (en) * | 2021-11-11 | 2022-02-01 | 益盐堂(应城)食品包装有限公司 | Anti-counterfeiting printed packaging composite film and preparation method thereof |
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