CN113755038A - Water-based aluminum pigment with enhanced anti-corrosion performance - Google Patents
Water-based aluminum pigment with enhanced anti-corrosion performance Download PDFInfo
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- CN113755038A CN113755038A CN202111104968.5A CN202111104968A CN113755038A CN 113755038 A CN113755038 A CN 113755038A CN 202111104968 A CN202111104968 A CN 202111104968A CN 113755038 A CN113755038 A CN 113755038A
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/62—Metallic pigments or fillers
- C09C1/64—Aluminium
- C09C1/644—Aluminium treated with organic compounds, e.g. polymers
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/08—Treatment with low-molecular-weight non-polymer organic 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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/10—Treatment with macromolecular organic compounds
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides a water-based aluminum pigment with enhanced anti-corrosion performance, and relates to the technical field of metal pigments. The water-based aluminum pigment with enhanced anti-corrosion performance comprises the following components: 65-85 parts of flake aluminum powder, 20-35 parts of oxidized polyethylene, 10-20 parts of acetone, 25-40 parts of ethyl orthosilicate, 15-30 parts of isopropanol, 20-45 parts of absolute ethyl alcohol and 15-25 parts of zinc dialkyl dithiophosphate, wherein the ethyl orthosilicate is stirred and heated to 165.5 ℃ under the standard atmospheric pressure to form ethyl orthosilicate steam, and the ethyl orthosilicate steam is guided into a sealed container filled with the flake aluminum powder through a flow guide device. Through heating tetraethoxysilane to the steam that the boiling state produced, after handling the aluminite powder for aluminite powder itself has anti water-fast corrosion resisting property, even the protection film drops like this and also can continue normal use, through handling the aluminite powder and using the protection film on aluminite powder surface, forms dual protection simultaneously, can improve the life of aluminite powder pigment effectively, reduces use cost.
Description
Technical Field
The invention relates to the technical field of metal pigments, in particular to a water-based aluminum pigment with enhanced anti-corrosion performance.
Background
Pigments made from finely ground particles or flakes of metal or alloy have a metallic luster. It is widely used in paint industry as decorative paint, and is a pigment made of metal or alloy. The annual output of the world reaches 70kt, and the coating is widely used in the coating industry. The main varieties of the metal pigment comprise aluminum powder, copper powder, zinc powder and stainless steel powder. The dosage of the aluminum powder is the largest, the dosage of the copper powder is less than that of the aluminum powder, and the light reflection intensity is slightly lower than that of the aluminum powder. The aluminum powder, the zinc powder and the stainless steel powder have the function of corrosion resistance, the aluminum powder has better decoration, and the powder is made of metal aluminum and has silvery white metallic luster. Under the cooling condition, in the petroleum solvent, the aluminum powder is ground to about 40 mu m, then filtered, and added with a proper amount of wetting agent and solvent to be corrected to the standard content (65 percent), thus obtaining the aluminum powder slurry. If the aluminum powder is ground and then the solvent is filtered, and the aluminum powder can be prepared into dry aluminum powder through vacuum drying, according to the market development requirement, the aluminum pigment is required to have certain corrosion resistance, and meanwhile, the aluminum pigment is required to have certain water resistance, so that the water-based aluminum pigment with enhanced corrosion resistance is provided.
At present, a common method for improving the corrosion resistance of the aluminum pigment is to form a layer of protective film on the surface of aluminum powder particles by using a resin material, so that the aluminum powder does not have the corrosion resistance, and when the protective film on the surface of the aluminum powder particles falls off, the aluminum powder cannot be protected, so that the corrosion-resistant aluminum pigment has short service life and high use cost.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the water-based aluminum pigment with enhanced corrosion resistance, and solves the problems that the aluminum powder cannot be protected after a protective film on the particle surface of the aluminum powder falls off, so that the corrosion-resistant aluminum pigment has short service life and high cost by improving the corrosion resistance of the aluminum powder.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: an aqueous aluminum pigment with enhanced corrosion resistance comprises the following components in percentage by mass: 65-85 parts of flake aluminum powder, 20-35 parts of oxidized polyethylene, 10-20 parts of acetone, 25-40 parts of ethyl orthosilicate, 15-30 parts of isopropanol, 20-45 parts of absolute ethyl alcohol and 15-25 parts of zinc dialkyl dithiophosphate.
Preferably, tetraethoxysilane is stirred and heated to 165.5 ℃ under the standard atmospheric pressure by using a heater to form tetraethoxysilane steam, the tetraethoxysilane steam is guided into a sealed container filled with the flake aluminum powder through a guide pipe, and the contact reaction is carried out between the tetraethoxysilane steam and the surface of the flake aluminum powder, so that the surface of the flake aluminum powder is treated, and the aluminum powder with the corrosion resistance and the water resistance can be prepared.
Preferably, the method comprises the following preparation procedures:
s1: mixing and stirring oxidized polyethylene and acetone, and adding absolute ethyl alcohol in the mixing and stirring process to prepare a component A;
s2: adding absolute ethyl alcohol into isopropanol and zinc dialkyl dithiophosphate, mixing and stirring to obtain a component B;
s3: mixing and stirring aluminum powder with anticorrosion and waterproof performances, the component A and the component B at 65-80 ℃ for 75min, and cooling to obtain the aluminum-based composite material.
Preferably, in the S1, the temperature of the oxidized polyethylene when being stirred with acetone is 40 to 50 ℃.
Preferably, in S2, the mixing and stirring time is 1.5 h.
Preferably, the surface-treated aluminum flake powder is ground, screened, washed, filtered and dried, so that the diameter of the aluminum flake powder reaches 35-40 μm.
Preferably, the stirring of the flake aluminum is required when the flake aluminum is treated, so that the flake aluminum can be sufficiently contacted with tetraethoxysilane steam, and the stirring time is 3 hours.
(III) advantageous effects
The invention provides a water-based aluminum pigment with enhanced anti-corrosion performance. The method has the following beneficial effects: through heating tetraethoxysilane to the steam that the boiling state produced, after handling the aluminite powder for aluminite powder itself has anti water-fast corrosion resisting property, even the protection film drops like this and also can continue normal use, through handling the aluminite powder and using the protection film on aluminite powder surface, forms dual protection simultaneously, can improve the life of aluminite powder pigment effectively, reduces use cost.
Detailed Description
Technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the embodiment of the invention provides a waterborne aluminum pigment with enhanced anti-corrosion performance, which comprises the following components in parts by mass: 70 parts of flake aluminum powder, 25 parts of oxidized polyethylene, 12 parts of acetone, 28 parts of tetraethoxysilane, 20 parts of isopropanol, 25 parts of absolute ethyl alcohol and 18 parts of zinc dialkyl dithiophosphate.
Tetraethoxysilane is stirred and heated to 165.5 ℃ under the standard atmospheric pressure by using a heater to form tetraethoxysilane steam, the tetraethoxysilane steam is guided into a sealed container filled with the flake aluminum powder through a guide pipe, and the contact reaction is carried out on the tetraethoxysilane steam and the surface of the flake aluminum powder, so that the surface of the flake aluminum powder is treated, and the aluminum powder with the corrosion resistance and the water resistance can be prepared.
The preparation method comprises the following preparation processes:
s1: mixing and stirring oxidized polyethylene and acetone, and adding absolute ethyl alcohol in the mixing and stirring process to prepare a component A;
s2: adding absolute ethyl alcohol into isopropanol and zinc dialkyl dithiophosphate, mixing and stirring to obtain a component B;
s3: mixing and stirring aluminum powder with corrosion resistance and water resistance with a component A and a component B at 70 ℃ for 75min, cooling to obtain the aluminum flake powder, grinding, screening, washing, filtering and drying the aluminum flake powder with the surface treated to enable the diameter of the aluminum powder to reach 37 mu m, stirring the aluminum flake powder when treating the aluminum flake powder to enable the aluminum flake powder to be fully contacted with tetraethoxysilane steam, wherein the stirring time is 3h
The temperature of the oxidized polyethylene in S1 was 43 ℃ when it was stirred with acetone.
The mixing and stirring time in S2 was 1.5 h.
Example two:
comprises the following components in parts by mass: 80 parts of flake aluminum powder, 30 parts of oxidized polyethylene, 20 parts of acetone, 38 parts of ethyl orthosilicate, 28 parts of isopropanol, 42 parts of absolute ethyl alcohol and 25 parts of zinc dialkyl dithiophosphate.
Tetraethoxysilane is stirred and heated to 165.5 ℃ under the standard atmospheric pressure by using a heater to form tetraethoxysilane steam, the tetraethoxysilane steam is guided into a sealed container filled with the flake aluminum powder through a guide pipe, and the contact reaction is carried out on the tetraethoxysilane steam and the surface of the flake aluminum powder, so that the surface of the flake aluminum powder is treated, and the aluminum powder with the corrosion resistance and the water resistance can be prepared.
The preparation method comprises the following preparation processes:
s1: mixing and stirring oxidized polyethylene and acetone, and adding absolute ethyl alcohol in the mixing and stirring process to prepare a component A;
s2: adding absolute ethyl alcohol into isopropanol and zinc dialkyl dithiophosphate, mixing and stirring to obtain a component B;
s3: mixing and stirring aluminum powder with anticorrosion and waterproof properties, the component A and the component B at the temperature of 80 ℃ for 65 min, cooling to obtain the aluminum powder, grinding, screening, washing, filtering and drying the flaky aluminum powder to enable the diameter of the aluminum powder to reach 40 mu m, stirring the aluminum powder when treating the flaky aluminum powder to enable the aluminum powder to be fully contacted with tetraethoxysilane steam, and stirring for 3.5 h.
The temperature of the oxidized polyethylene in S1 was 50 ℃ while stirring with acetone.
The mixing and stirring time in S2 was 1.5 h.
Example three:
comprises the following components in parts by mass: 65 parts of flake aluminum powder, 20 parts of oxidized polyethylene, 10 parts of acetone, 25 parts of tetraethoxysilane, 15 parts of isopropanol, 20 parts of absolute ethyl alcohol and 15 parts of zinc dialkyl dithiophosphate.
Tetraethoxysilane is stirred and heated to 165.5 ℃ under the standard atmospheric pressure by using a heater to form tetraethoxysilane steam, the tetraethoxysilane steam is guided into a sealed container filled with the flake aluminum powder through a guide pipe, and the contact reaction is carried out on the tetraethoxysilane steam and the surface of the flake aluminum powder, so that the surface of the flake aluminum powder is treated, and the aluminum powder with the corrosion resistance and the water resistance can be prepared.
The preparation method comprises the following preparation processes:
s1: mixing and stirring oxidized polyethylene and acetone, and adding absolute ethyl alcohol in the mixing and stirring process to prepare a component A;
s2: adding absolute ethyl alcohol into isopropanol and zinc dialkyl dithiophosphate, mixing and stirring to obtain a component B;
s3: mixing and stirring the aluminum powder with the corrosion resistance and the water resistance with the component A and the component B at the temperature of 65 ℃ for 60 min, cooling to obtain the aluminum flake powder, grinding, screening, washing, filtering and drying the aluminum flake powder with the surface treated to enable the diameter of the aluminum powder to reach 37 mu m, stirring the aluminum flake powder when the aluminum flake powder is treated to enable the aluminum flake powder to be fully contacted with tetraethoxysilane steam, and stirring for 2.5 h.
The temperature of the oxidized polyethylene in S1 was 40 ℃ while stirring with acetone.
The mixing and stirring time in S2 was 1 h.
The experimental data table of the protective film adhesion property of the aluminum powder surface in the invention comprises the following steps:
| usage data | Time data | Adhesion performance data | |
| Example one | Standard of merit | Standard of merit | 90.5％ |
| Example two | Standard > standard | Standard > standard | 80.2％ |
| EXAMPLE III | < standard | < standard | 83.6％ |
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An aqueous aluminum pigment having enhanced corrosion resistance, characterized by: comprises the following components in parts by mass: 65-85 parts of flake aluminum powder, 20-35 parts of oxidized polyethylene, 10-20 parts of acetone, 25-40 parts of ethyl orthosilicate, 15-30 parts of isopropanol, 20-45 parts of absolute ethyl alcohol and 15-25 parts of zinc dialkyl dithiophosphate.
2. The aqueous aluminum pigment of claim 1 having enhanced corrosion resistance, wherein: tetraethoxysilane is stirred and heated to 165.5 ℃ under the standard atmospheric pressure by using a heater to form tetraethoxysilane steam, the tetraethoxysilane steam is guided into a sealed container filled with the flake aluminum powder through a guide pipe, and the contact reaction is carried out on the tetraethoxysilane steam and the surface of the flake aluminum powder, so that the surface of the flake aluminum powder is treated, and the aluminum powder with the corrosion resistance and the water resistance can be prepared.
3. The aqueous aluminum pigment of claim 2 having enhanced corrosion resistance, wherein: the preparation method comprises the following preparation processes:
s1: mixing and stirring oxidized polyethylene and acetone, and adding absolute ethyl alcohol in the mixing and stirring process to prepare a component A;
s2: adding absolute ethyl alcohol into isopropanol and zinc dialkyl dithiophosphate, mixing and stirring to obtain a component B;
s3: mixing and stirring the aluminum powder with the corrosion resistance and the water resistance with the component A and the component B for 75min at the temperature of 65-80 ℃, and cooling to obtain the aluminum-based composite material.
4. The aqueous aluminum pigment according to claim 3, wherein the aluminum pigment exhibits enhanced corrosion resistance, and wherein: in the S1, the temperature of the oxidized polyethylene and the acetone is 40-50 ℃ when stirring.
5. The aqueous aluminum pigment according to claim 3, wherein the aluminum pigment exhibits enhanced corrosion resistance, and wherein: in the S2, the mixing and stirring time is 1.5 h.
6. The aqueous aluminum pigment of claim 2 having enhanced corrosion resistance, wherein: and grinding, screening, washing, filtering and drying the surface-treated flaky aluminum powder to enable the diameter of the flaky aluminum powder to reach 35-40 mu m.
7. The aqueous aluminum pigment of claim 2 having enhanced corrosion resistance, wherein: the flaky aluminum powder is required to be stirred when being treated, so that the flaky aluminum powder can be fully contacted with tetraethoxysilane steam, and the stirring time is 3 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111104968.5A CN113755038A (en) | 2021-09-22 | 2021-09-22 | Water-based aluminum pigment with enhanced anti-corrosion performance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111104968.5A CN113755038A (en) | 2021-09-22 | 2021-09-22 | Water-based aluminum pigment with enhanced anti-corrosion performance |
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| CN202111104968.5A Pending CN113755038A (en) | 2021-09-22 | 2021-09-22 | Water-based aluminum pigment with enhanced anti-corrosion performance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118027712A (en) * | 2024-04-11 | 2024-05-14 | 合肥旭阳铝颜料有限公司 | High-glossiness water-based aluminum pigment for automobile coating |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102093761A (en) * | 2010-11-08 | 2011-06-15 | 深圳职业技术学院 | Preparation method of aqueous aluminum silver paste |
| CN109324369A (en) * | 2018-12-12 | 2019-02-12 | 科新网通科技有限公司 | A kind of production technology of plane waveguiding device |
-
2021
- 2021-09-22 CN CN202111104968.5A patent/CN113755038A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102093761A (en) * | 2010-11-08 | 2011-06-15 | 深圳职业技术学院 | Preparation method of aqueous aluminum silver paste |
| CN109324369A (en) * | 2018-12-12 | 2019-02-12 | 科新网通科技有限公司 | A kind of production technology of plane waveguiding device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118027712A (en) * | 2024-04-11 | 2024-05-14 | 合肥旭阳铝颜料有限公司 | High-glossiness water-based aluminum pigment for automobile coating |
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Application publication date: 20211207 |
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