CN112500780A - Water-based metal base paint for vehicle - Google Patents
Water-based metal base paint for vehicle Download PDFInfo
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- CN112500780A CN112500780A CN202011289905.7A CN202011289905A CN112500780A CN 112500780 A CN112500780 A CN 112500780A CN 202011289905 A CN202011289905 A CN 202011289905A CN 112500780 A CN112500780 A CN 112500780A
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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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
- C09D5/002—Priming paints
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
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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
Abstract
The invention discloses a water-based metal base color paint for a vehicle, and belongs to the technical field of paint coatings. According to the water-based metal base paint for the vehicle, the water-based acrylic acid dispersoid, the water-based acrylic acid polyurethane dispersoid and the water-based polyurethane dispersoid are compounded in proportion, so that the obtained product is more environment-friendly compared with the traditional oil-based vehicle paint, and simultaneously the defects of low resistance and easiness in paint dropping of the water-based vehicle paint are overcome; the high-temperature-resistant and high-corrosion-resistant composite coating has excellent ultrahigh resistance of water resistance, high temperature resistance, weather resistance, acid resistance, alkali resistance, gasoline resistance and engine oil resistance, is high in hardness and toughness, has good MEK (methyl ethyl ketone) wiping resistance, and is suitable for large vehicles such as bus buses, modified cars, rail transit car bodies and the like. The invention also discloses a preparation method of the water-based metal base color paint for the vehicle, which is environment-friendly and economical, has simple operation steps and can be used for industrial large-scale production.
Description
Technical Field
The invention relates to the technical field of paint coatings, in particular to a water-based metal base color paint for a vehicle.
Background
Along with the increasing requirements of people on the toxicity and the environmental protection of various common automobile spray paints, compared with the traditional oily automobile paint, the water-based automobile paint has the technical effects of protecting the environment, reducing haze and resisting pollution, and is widely popularized. The spraying efficiency of the existing water paint is improved to over 79 percent, and the market prospect is bright. However, due to the lack of essential oily components, aqueous vehicle paints are generally characterized by insufficient resistance, and their mechanical properties such as hardness, toughness and adhesion are also weaker than those of oily vehicle paints.
Disclosure of Invention
The invention aims to provide the water-based metal base paint which has ultrahigh resistance and excellent mechanical property and is suitable for vehicles in various vehicles.
In order to achieve the purpose, the invention adopts the technical scheme that:
an aqueous metal base paint for vehicles comprises a component A and a component B; the component A comprises the following components in parts by weight: 5-20 parts of aqueous acrylic acid dispersoid, 10-25 parts of aqueous acrylic polyurethane dispersoid, 5-15 parts of aqueous polyurethane dispersoid, 1-5 parts of ethylene glycol butyl ether, 1-5 parts of dipropylene glycol butyl ether, 2-7 parts of aqueous directing agent, 2-8 parts of aqueous silver paste, 2-10 parts of aqueous color paste and 25-40 parts of deionized water; the component B is deionized water; the mass ratio of the component A to the component B is 100: 15-30.
In the components of the water-based metal base paint for the vehicle, the water-based acrylic acid dispersoid has smaller molecular weight, is favorable for fusing a paint film when being applied in a large area, and ensures that a connecting port of the paint film is smooth; the directional arrangement of the waterborne acrylic polyurethane dispersoid is good; the aqueous polyurethane dispersion has macromolecular groups, enhances the adhesive force of multiple layers of paint films, and enhances the chemical resistance. After the three aqueous dispersions are mixed, the prepared aqueous metal base paint has a smooth and particle-free paint surface after use, high heat-resistant, water-resistant and wiping-resistant performances, high mechanical hardness and full paint color luster.
The water-based metal base paint for the vehicle is prepared by compounding the water-based acrylic acid dispersoid, the water-based acrylic acid polyurethane dispersoid and the water-based polyurethane dispersoid in proportion and matching with the functional components with specific contents, so that the obtained product is more environment-friendly compared with the traditional oil-based vehicle paint, and simultaneously overcomes the defects of low resistance and easy paint falling of the water-based vehicle paint, and particularly under the weather of high temperature and low temperature, the transition of paint film joints of the product is smooth when the product is used for spraying paint on vehicles, the arrangement of silver powder is good, and the interlayer adhesion is excellent; in the resistance, the paint has the ultrahigh resistance of excellent water resistance, high temperature resistance, weather resistance, acid resistance, alkali resistance, gasoline resistance and engine oil resistance; has high hardness and toughness in physical performance and good MEK wiping resistance.
Preferably, the component A also comprises the following components in parts by weight: 0.1-1 part of wetting agent, 0.1-1 part of flatting agent, 0.2-1 part of defoaming agent and 0.5-2 parts of rheological agent.
Preferably, in the waterborne metal base paint for the vehicle, the component A comprises the following components in parts by weight: 13 parts of aqueous acrylic dispersion, 21 parts of aqueous acrylic polyurethane dispersion, 8 parts of aqueous polyurethane dispersion, 4 parts of ethylene glycol butyl ether, 1 part of dipropylene glycol butyl ether, 0.5 part of wetting agent, 0.2 part of flatting agent, 5 parts of aqueous directing agent, 6 parts of aqueous silver paste, 7 parts of aqueous color paste, 32.6 parts of deionized water, 0.2 part of defoaming agent and 1.5 parts of rheological agent. The automotive water-based metal base paint prepared by the component proportion has better resistance and mechanical property and better adhesive force.
Preferably, the aqueous acrylic polyurethane dispersion is an aqueous acrylic modified polyurethane dispersion. The polyurethane resin has high adhesive force and high wear resistance, and the acrylic modified aqueous polyurethane dispersion can have excellent weather resistance and pigment compatibility of the acrylic resin, so that the whole formula is more harmonious and stable.
Preferably, the aqueous polyurethane dispersion is an aqueous aliphatic polyurethane dispersion; the aqueous aliphatic polyurethane dispersion includes an aliphatic anionic polyurethane and N-ethyldiisopropylamine. The introduction of the polyurethane dispersoid can be matched with a rheological agent and a flatting agent, and the dispersion stabilization effect on the whole product is realized through the steric hindrance effect of a hydrophilic group.
Preferably, the wetting agent is at least one of TEGO-500 and BYK-800.
Preferably, the leveling agent is at least one of EFKA-3777, TEGO-240, TEGO-425 and TEGO-450.
Preferably, the aqueous directing agent is BYK-8421; the water-based color paste is WLG-8000; the defoaming agent is at least one of an organic silicon defoaming agent and a water-based organic polymer defoaming agent; the rheological agent is nonionic polyurethane associative rheological agent. Preferably, the rheological agent is TEGO-3060.
The use of the additive can further promote the further mixing and compatibility of the three aqueous polymer dispersions and enhance the service performance of the aqueous metal base paint product.
The invention also aims to provide a preparation method of the water-based metal base paint for the vehicle, which comprises the following steps:
(1) adding the aqueous acrylic acid dispersoid, the aqueous acrylic acid polyurethane dispersoid and the aqueous polyurethane dispersoid into water, stirring and mixing to obtain mixed solution a;
(2) adding a wetting agent, a flatting agent and a defoaming agent into the mixed solution a obtained in the step (1), and stirring and mixing to obtain mixed solution b;
(3) adding ethylene glycol butyl ether, dipropylene glycol butyl ether and a water-based directing agent into the mixed solution b obtained in the step (2), and stirring and mixing to obtain mixed solution c;
(4) and (3) adding the aqueous silver paste and the aqueous color paste into the mixed solution c obtained in the step (3), stirring and mixing at the rotating speed of 300-600 r/min for 15min, adding the rheological agent, stirring and mixing uniformly at the rotating speed of 600-800 r/min to obtain a component A, and adding the deionized water of the component B and mixing uniformly to obtain the waterborne metal base paint for the vehicle.
The preparation method of the water-based metal base color paint for the vehicle, provided by the invention, is environment-friendly and economical, has simple operation steps, and can be used for industrial large-scale production.
Preferably, the rotation speed of stirring and mixing in the step (1), the step (2) and the step (3) is 300-600 r/min, and the time is 5-10 min.
The invention has the beneficial effects that: the invention provides a water-based metal base paint for vehicles, which is characterized in that a water-based acrylic acid dispersoid, a water-based acrylic acid polyurethane dispersoid and a water-based polyurethane dispersoid are compounded in proportion, so that the obtained product is more environment-friendly compared with the traditional oil-based vehicle paint, and simultaneously the defects of low resistance and easy paint falling of the water-based vehicle paint are overcome; the high-temperature-resistant and high-corrosion-resistant composite coating has excellent ultrahigh resistance of water resistance, high temperature resistance, weather resistance, acid resistance, alkali resistance, gasoline resistance and engine oil resistance, is high in hardness and toughness, has good MEK (methyl ethyl ketone) wiping resistance, and is suitable for large vehicles such as bus buses, modified cars, rail transit car bodies and the like. The invention also provides a preparation method of the water-based metal base color paint for the vehicle, which is environment-friendly and economical, has simple operation steps and can be used for industrial large-scale production.
Detailed Description
For better illustrating the objects, technical solutions and advantages of the present invention, the present invention will be further described with reference to specific examples, which are intended to be understood in detail, but not intended to limit the present invention.
The following examples and comparative examples used the following resins:
the aqueous acrylic acid dispersion is a DS-2145H product produced by Nantong Byssen chemical Co., Ltd;
the aqueous acrylic polyurethane dispersion is a product E-123 produced by DSM corporation;
the aqueous polyurethane dispersion is an ADWEL-1645 product produced by Wanhua chemical company Limited;
example 1
The water-based metal base color paint for the vehicle comprises a component A and a component B, wherein the mass ratio of the component A to the component B is 100: 25; the component A comprises the following components in parts by weight: 13 parts of aqueous acrylic acid dispersoid, 21 parts of aqueous acrylic polyurethane dispersoid, 8 parts of aqueous polyurethane dispersoid, 4 parts of ethylene glycol butyl ether, 1 part of dipropylene glycol butyl ether, 0.5 part of wetting agent, 0.2 part of flatting agent, 5 parts of aqueous directing agent, 6 parts of aqueous silver paste, 7 parts of aqueous color paste, 32.6 parts of deionized water, 0.2 part of defoaming agent and 1.5 parts of rheological agent; the wetting agent is TEGO-500; the leveling agent is EFKA-3777; the water-based directing agent is BYK-8421; the water-based color paste is WLG-8000; the defoaming agent is an organic silicon defoaming agent; the defoaming agent is BYK-022; the rheological agent is TEGO-3060.
The preparation method of the water-based metal base paint for the vehicle comprises the following steps:
(1) adding the aqueous acrylic acid dispersoid, the aqueous acrylic acid polyurethane dispersoid and the aqueous polyurethane dispersoid into water, stirring and mixing to obtain mixed solution a;
(2) adding a wetting agent, a flatting agent and a defoaming agent into the mixed solution a obtained in the step (1), and stirring and mixing at the rotating speed of 300-600 r/min for 8min to obtain mixed solution b;
(3) adding ethylene glycol butyl ether, dipropylene glycol butyl ether and a water-based directing agent into the mixed solution b obtained in the step (2), and stirring and mixing at the rotating speed of 300-600 r/min for 8min to obtain a mixed solution c;
(4) and (3) adding the aqueous silver paste and the aqueous color paste into the mixed liquid c obtained in the step (3), stirring and mixing at the rotating speed of 300-600 r/min for 15min, adding the rheological agent, stirring and mixing at the rotating speed of 600-800 r/min for 20min to obtain a component A, adding the deionized water of the component B, and uniformly mixing to obtain the waterborne metal base paint for the vehicle.
Example 2
The water-based metal base color paint for the vehicle comprises a component A and a component B, wherein the mass ratio of the component A to the component B is 100: 25; the component A comprises the following components in parts by weight: 5 parts of aqueous acrylic acid dispersoid, 25 parts of aqueous acrylic polyurethane dispersoid, 15 parts of aqueous polyurethane dispersoid, 2 parts of ethylene glycol butyl ether, 4 parts of dipropylene glycol butyl ether, 1 part of wetting agent, 1 part of flatting agent, 2 parts of aqueous directing agent, 8 parts of aqueous silver paste, 2 parts of aqueous color paste, 33.5 parts of deionized water, 1 part of defoaming agent and 0.5 part of rheological agent; the wetting agent is BYK-800; the flatting agent is TEGO-240; the water-based directing agent is BYK-8421; the water-based color paste is WLG-8000; the defoaming agent is a water-based organic polymer defoaming agent; the defoaming agent is TEGO-830; the rheological agent is TEGO-3060.
The preparation method of the water-based metallic base paint for the vehicle in the embodiment is the same as that of the embodiment 1.
Example 3
The water-based metal base color paint for the vehicle comprises a component A and a component B, wherein the mass ratio of the component A to the component B is 100: 25; the component A comprises the following components in parts by weight: 20 parts of aqueous acrylic acid dispersoid, 10 parts of aqueous acrylic polyurethane dispersoid, 5 parts of aqueous polyurethane dispersoid, 5 parts of ethylene glycol butyl ether, 3 parts of dipropylene glycol butyl ether, 0.1 part of wetting agent, 0.5 part of flatting agent, 7 parts of aqueous directing agent, 2 parts of aqueous silver paste, 6 parts of aqueous color paste, 40 parts of deionized water, 0.2 part of defoaming agent and 1.2 parts of rheological agent; the wetting agent is BYK-800; the leveling agent is EFKA-3777; the water-based directing agent is BYK-8421; the water-based color paste is WLG-8000; the defoaming agent is an organic silicon defoaming agent; the defoaming agent is BYK-022; the rheological agent is TEGO-3060.
The preparation method of the water-based metallic base paint for the vehicle in the embodiment is the same as that of the embodiment 1.
Example 4
This example differs from example 1 only in that the mass ratio of the A component and the B component is 100: 15.
Example 5
This example differs from example 1 only in that the mass ratio of the a component and the B component is 100: 30.
Comparative example 1
This comparative example differs from example 1 only in that the product has 25 parts of the aqueous acrylic dispersion in the A component.
Comparative example 2
This comparative example differs from example 1 only in that the product has 30 parts of the aqueous acrylic polyurethane dispersion in the A component.
Comparative example 3
The comparative example differs from example 1 only in that the part of the aqueous polyurethane dispersion in the A component in the product is 20 parts.
Comparative example 4
This comparative example differs from example 1 only in that the product has 3 parts of the aqueous acrylic dispersion in the A component.
Comparative example 5
This comparative example differs from example 1 only in that the product has 8 parts of the aqueous acrylic polyurethane dispersion in the A component.
Comparative example 6
The comparative example differs from example 1 only in that the product has 3 parts of aqueous polyurethane dispersion in the A component.
Comparative example 7
This comparative example differs from example 1 only in that the aqueous acrylic dispersion in the a component of the product was replaced with deionized water.
Comparative example 8
This comparative example differs from example 1 only in that the aqueous acrylic polyurethane dispersion in the a component of the product was replaced with deionized water.
Comparative example 9
The comparative example differs from example 1 only in that the aqueous polyurethane dispersion in the A component of the product is replaced with deionized water.
Comparative example 10
The comparative example differs from example 1 only in that the a component in the product comprises the following parts by weight of components: 13 parts of aqueous acrylic acid dispersoid, 21 parts of aqueous acrylic polyurethane dispersoid, 8 parts of aqueous polyurethane dispersoid, 6 parts of ethylene glycol butyl ether, 6 parts of dipropylene glycol butyl ether, 0.5 part of wetting agent, 0.2 part of flatting agent, 5 parts of aqueous directing agent, 9 parts of aqueous silver paste, 1 part of aqueous color paste, 28.6 parts of deionized water, 0.2 part of defoaming agent and 1.5 parts of rheological agent.
Comparative example 11
This comparative example differs from example 1 only in that the mass ratio of the a component and the B component in the product is 100: 10.
Comparative example 12
This comparative example differs from example 1 only in that the mass ratio of the a component and the B component in the product is 100: 35.
The automotive water-based metal base paint products prepared in the examples 1 to 5 and the comparative examples 1 to 12 are subjected to mechanical property, stability and service performance tests, and the results are shown in tables 1 and 2.
TABLE 1
TABLE 2
As can be seen from tables 1 and 2, compared with the products prepared in comparative examples 1 to 12, the waterborne metal base paint for vehicles prepared in the embodiment has excellent water resistance, heat resistance and solvent resistance, high adhesiveness and good mechanical property, and can be effectively applied to painting of large-scale vehicles.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. The water-based metal base paint for the vehicle is characterized by comprising a component A and a component B; the component A comprises the following components in parts by weight: 5-20 parts of aqueous acrylic acid dispersoid, 10-25 parts of aqueous acrylic polyurethane dispersoid, 5-15 parts of aqueous polyurethane dispersoid, 1-5 parts of ethylene glycol butyl ether, 1-5 parts of dipropylene glycol butyl ether, 2-7 parts of aqueous directing agent, 2-8 parts of aqueous silver paste, 2-10 parts of aqueous color paste and 25-40 parts of deionized water; the component B is deionized water; the mass ratio of the component A to the component B is 100: 15-30.
2. The water-based metallic base paint for the vehicle as claimed in claim 1, wherein the component A further comprises the following components in parts by weight: 0.1-1 part of wetting agent, 0.1-1 part of flatting agent, 0.2-1 part of defoaming agent and 0.5-2 parts of rheological agent.
3. The water-based metallic base paint for the vehicle as claimed in claim 2, wherein the component A comprises the following components in parts by weight: 13 parts of aqueous acrylic dispersion, 21 parts of aqueous acrylic polyurethane dispersion, 8 parts of aqueous polyurethane dispersion, 4 parts of ethylene glycol butyl ether, 1 part of dipropylene glycol butyl ether, 0.5 part of wetting agent, 0.2 part of flatting agent, 5 parts of aqueous directing agent, 6 parts of aqueous silver paste, 7 parts of aqueous color paste, 32.6 parts of deionized water, 0.2 part of defoaming agent and 1.5 parts of rheological agent.
4. The waterborne metallic basecoat of claim 1 wherein said waterborne acrylic polyurethane dispersion is a waterborne acrylic modified polyurethane dispersion.
5. The waterborne metallic basecoat of claim 1 wherein said aqueous polyurethane dispersion is an aqueous aliphatic polyurethane dispersion; the aqueous aliphatic polyurethane dispersion includes an aliphatic anionic polyurethane and N-ethyldiisopropylamine.
6. The water-based metallic basecoat of claim 2 wherein said wetting agent is at least one of TEGO-500, BYK-800; the leveling agent is at least one of EFKA-3777, TEGO-240, TEGO-425 and TEGO-450; the water-based directing agent is BYK-8421; the water-based color paste is WLG-8000; the defoaming agent is at least one of an organic silicon defoaming agent and a water-based organic polymer defoaming agent; the rheological agent is nonionic polyurethane associative rheological agent.
7. The preparation method of the water-based metal base paint for the vehicle as claimed in any one of claims 1 to 6, characterized by comprising the following steps:
(1) adding the aqueous acrylic acid dispersoid, the aqueous acrylic acid polyurethane dispersoid and the aqueous polyurethane dispersoid into water, stirring and mixing to obtain mixed solution a;
(2) adding a wetting agent, a flatting agent and a defoaming agent into the mixed solution a obtained in the step (1), and stirring and mixing to obtain mixed solution b;
(3) adding ethylene glycol butyl ether, dipropylene glycol butyl ether and a water-based directing agent into the mixed solution b obtained in the step (2), and stirring and mixing to obtain mixed solution c;
(4) and (3) adding the aqueous silver paste and the aqueous color paste into the mixed solution c obtained in the step (3), stirring and mixing at the rotating speed of 300-600 r/min for 15min, adding the rheological agent, stirring and mixing uniformly at the rotating speed of 600-800 r/min to obtain a component A, and adding the deionized water of the component B and mixing uniformly to obtain the waterborne metal base paint for the vehicle.
8. The preparation method of the water-based metal base paint for the vehicle according to claim 7, wherein the rotation speed of stirring and mixing in the step (1), the step (2) or the step (3) is 300-600 r/min, and the time is 5-10 min.
9. Use of the automotive water-based metallic basecoat according to any one of claims 1 to 6 in the preparation of an automobile.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117659784A (en) * | 2023-12-13 | 2024-03-08 | 雅图高新材料股份有限公司 | Water-based metallic paint for automotive original factory interior and exterior decoration as well as preparation method and application thereof |
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| CN117659784A (en) * | 2023-12-13 | 2024-03-08 | 雅图高新材料股份有限公司 | Water-based metallic paint for automotive original factory interior and exterior decoration as well as preparation method and application thereof |
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