CN113930110A - Surface protection coating for new energy automobile and preparation method thereof - Google Patents
Surface protection coating for new energy automobile and preparation method thereof Download PDFInfo
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- CN113930110A CN113930110A CN202111116858.0A CN202111116858A CN113930110A CN 113930110 A CN113930110 A CN 113930110A CN 202111116858 A CN202111116858 A CN 202111116858A CN 113930110 A CN113930110 A CN 113930110A
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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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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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
- C09D5/20—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for coatings strippable as coherent films, e.g. temporary coatings strippable as coherent films
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Abstract
The invention provides a surface protection coating for a new energy automobile and a preparation method thereof. The surface protective coating of the present invention comprises: according to the mass parts, 0.1-1 part of dispersant, 0.5-3 parts of flatting agent, 0.01-0.5 part of propylene glycol methyl ether, 1-6 parts of defoamer, 10-20 parts of pigment, 20-30 parts of acrylic resin and 0.1-2 parts of xylene. The surface protection coating disclosed by the invention can play a good protection role on the surface of an automobile.
Description
Technical Field
The invention belongs to the technical field of automobile surface protection coatings, and particularly relates to a surface protection coating for a new energy automobile.
Background
The new energy automobile is an automobile which adopts unconventional automobile fuel as a power source, integrates advanced technologies in the aspects of power control and driving of the automobile, and is advanced in technical principle, new in technology and new in structure.
The following problems often occur in the process of storing and transporting automobiles: in open parking lots, paint coatings can be tarnished, discolored, cracked, peeled and aged by rain, especially acid rain. In addition, dirt such as dust, oil stain, handprints and the like in the storage and transportation process can seriously pollute the surface coating of the automobile and even can be stained with variegated colors, so that the whole automobile has old feeling, and the appearance and the sale are influenced.
Therefore, there is a need in the art for a surface protective coating that can provide excellent protection to the surfaces of equipment such as automobiles that require surface protection.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a surface protection coating for equipment needing surface protection, such as a new energy automobile, and the like, and a preparation method thereof. The surface protection coating can play a good role in protecting the surfaces of equipment needing surface protection, such as automobiles and the like.
Specifically, the present invention provides a surface protective coating useful for automobiles, comprising: according to the mass parts, 0.1-1 part of dispersant, 0.5-3 parts of flatting agent, 0.01-0.5 part of propylene glycol methyl ether, 1-6 parts of defoamer, 10-20 parts of pigment, 20-30 parts of acrylic resin and 0.1-2 parts of xylene.
In one or more embodiments, the dispersant is present in the surface protective coating in an amount of 0.1 to 0.6 parts, 0.1 to 0.5 parts, or 0.5 to 1 part by mass.
In one or more embodiments, the mass part of the leveling agent in the surface protection coating is 0.5-1.2 parts, 0.5-1 part, 1-2 parts or 1-1.5 parts.
In one or more embodiments, the surface protective coating comprises 0.02 to 0.5 part, 0.05 to 0.3 part, 0.2 to 0.3 part, or 0.4 to 0.5 part by mass of propylene glycol methyl ether.
In one or more embodiments, the surface protective coating includes 1 to 4 parts, 1 to 2 parts, or 2 to 5 parts by mass of a defoaming agent.
In one or more embodiments, the surface protective coating includes 10 to 15 parts by weight or 15 to 18 parts by weight of a pigment.
In one or more embodiments, the surface protective coating includes 25 to 28 parts by mass of an acrylic resin.
In one or more embodiments, the xylene is present in the surface protective coating in an amount of 0.1 to 1.6 parts, 0.1 to 0.8 parts, or 1 to 2 parts by weight.
In one or more embodiments, the surface protective coating includes: according to the mass parts, 0.1-0.6 mass part of dispersing agent, 0.5-1.2 mass parts of flatting agent, 0.02-0.5 mass part of propylene glycol methyl ether, 1-4 mass parts of defoaming agent, 10-15 mass parts of pigment, 20-30 mass parts of acrylic resin and 0.1-1.6 mass parts of dimethylbenzene.
In one or more embodiments, the surface protective coating includes: according to the mass parts, 0.1-1 part of dispersant, 0.5-3 parts of flatting agent, 0.01-0.5 part of propylene glycol methyl ether, 1-6 parts of defoamer, 10-20 parts of pigment, 20-30 parts of acrylic resin and 1-2 parts of xylene.
In one or more embodiments, the surface protective coating includes: according to the mass parts, 0.5-1 part of dispersing agent, 1-2 parts of flatting agent, 0.05-0.3 part of propylene glycol methyl ether, 2-5 parts of defoaming agent, 15-18 parts of pigment, 25-28 parts of acrylic resin and 1-2 parts of dimethylbenzene.
In one or more embodiments, the surface protective coating includes: according to the mass parts, 0.1-0.5 mass part of dispersing agent, 0.5-1 mass part of flatting agent, 0.4-0.5 mass part of propylene glycol methyl ether, 1-2 mass parts of defoaming agent, 10-20 mass parts of pigment, 20-30 mass parts of acrylic resin and 0.1-0.8 mass part of dimethylbenzene.
In one or more embodiments, the surface protective coating includes: according to the mass parts, 0.5-1 mass part of dispersing agent, 1-1.5 mass parts of flatting agent, 0.2-0.3 mass part of propylene glycol methyl ether, 1-2 mass parts of defoaming agent, 10-20 mass parts of pigment, 20-30 mass parts of acrylic resin and 0.1-0.8 mass part of dimethylbenzene.
In one or more embodiments, the dispersant is selected from one or both of sodium polycarboxylate and sodium hexametaphosphate.
In one or more embodiments, the leveling agent is an acrylate-based leveling agent.
In one or more embodiments, the defoamer is tributyl phosphate.
The present invention also provides a method of preparing a surface protective coating according to any embodiment herein, the method comprising: mixing a dispersing agent, a leveling agent, propylene glycol methyl ether, a defoaming agent, acrylic resin and xylene, stirring at the rotating speed of 500-1000 rpm for at least 30min, adding a pigment, stirring at the rotating speed of 1000-1500 rpm for at least 30min, and grinding until the fineness is less than 30 microns to obtain the surface protection coating.
In one or more embodiments, after mixing the dispersant, the leveling agent, propylene glycol methyl ether, the defoamer, the acrylic resin, and xylene, stirring is performed at 500 to 1000rpm, for example, 500 to 800rpm, for 30 to 60min, for example, 30 to 50 min.
In one or more embodiments, after the pigment is added, the mixture is stirred at 1000 to 1500rpm for 30 to 120min, such as 60. + -.10 min.
Detailed Description
To make the features and effects of the present invention obvious to those skilled in the art, the terms and words used in the specification and claims are generally described and defined below. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
The theory or mechanism described and disclosed herein, whether correct or incorrect, should not limit the scope of the present invention in any way, i.e., the present disclosure may be practiced without limitation to any particular theory or mechanism.
Herein, "comprising," "including," "containing," "having," and similar words encompass the meaning of "consisting essentially of … …" and "consisting of … …," e.g., when "a comprises B and C," it is to be considered that "a consists essentially of B and C" and "a consists of B and C" are disclosed herein.
All features defined herein as numerical ranges or percentage ranges, such as numbers, amounts, levels and concentrations, are for brevity and convenience only. Accordingly, the description of numerical ranges or percentage ranges should be considered to cover and specifically disclose all possible subranges and individual numerical values (including integers and fractions) within the range.
Herein, when embodiments or examples are described, it is to be understood that they are not intended to limit the invention to these embodiments or examples. On the contrary, all alternatives, modifications, and equivalents of the methods and materials described herein are intended to be included within the scope of the invention as defined by the appended claims.
Herein, parts are parts by mass unless otherwise specified.
In this context, for the sake of brevity, not all possible combinations of features in the various embodiments or examples are described. Therefore, the respective features in the respective embodiments or examples may be arbitrarily combined as long as there is no contradiction between the combinations of the features, and all the possible combinations should be considered as the scope of the present specification.
The invention provides a surface protection coating which can be used for protecting the surface of equipment needing surface protection, such as a new energy automobile, in particular the surface of a paint coating, and the surface protection coating comprises the following components: according to the mass parts, 0.1-1 part of dispersant, 0.5-3 parts of flatting agent, 0.01-0.5 part of propylene glycol methyl ether, 1-6 parts of defoamer, 10-20 parts of pigment, 20-30 parts of acrylic resin and 0.1-2 parts of xylene.
The dispersant suitable for use in the present invention may be one or two selected from sodium polycarboxylates and sodium hexametaphosphate. In some embodiments, the dispersant is present in the surface protective coating of the present invention in an amount of 0.1 to 0.6 parts, 0.1 to 0.5 parts, or 0.5 to 1 part by mass, for example, 0.1 parts, 0.2 parts, 0.3 parts, 0.4 parts, 0.5 parts, 0.6 parts. The dispersant has the functions of reducing viscosity, improving luster, improving tinting strength and preventing flooding and floating; too little dispersant leads to insufficient tinting strength and to floating, while too much affects the stability of the grinding.
The leveling agent suitable for use in the present invention may be an acrylate-based leveling agent. Examples of the acrylate-based leveling agent include a BYK354 leveling agent. In some embodiments, the surface protective coating of the present invention comprises 0.5 to 1.2 parts, 0.5 to 1 part, 1 to 2 parts, or 1 to 1.5 parts, for example, 0.5 parts, 0.6 parts, 0.75 parts, 1 part, or 1.2 parts, of the leveling agent by weight. The leveling agent has the function of enabling the coating to form a flat, smooth and uniform coating film in the drying film-forming process; too little of a leveling agent leads to poor leveling, and too much leads to fogging or foam stabilization.
In some embodiments, the surface protective coating of the present invention comprises propylene glycol methyl ether in an amount of 0.02 to 0.5 parts, 0.05 to 0.3 parts, 0.2 to 0.3 parts, or 0.4 to 0.5 parts by mass, for example, 0.02 parts, 0.06 parts, 0.25 parts, 0.3 parts, or 0.5 parts. In the invention, propylene glycol methyl ether has the functions of maintaining the leveling property of the coating film and improving the flatness and the gloss of the coating film.
A suitable defoamer for use in the present invention may be tributyl phosphate. In some embodiments, the surface protective coating of the present invention comprises 1 to 4 parts, 1 to 2 parts, or 2 to 5 parts, for example, 1 part, 2 parts, 3 parts, or 4 parts, of the defoaming agent by mass. The defoaming agent is used for eliminating bubbles generated in the production and use processes of the coating; when the amount of the defoaming agent is too large, shrinkage cavities, oil splash and the like are caused, and when the amount of the defoaming agent is too small, the defoaming effect is weakened.
The pigment suitable for use in the present invention may be a conventional coloring pigment for automobile paint, such as white pigment, red pigment, black pigment, etc. In some embodiments, the surface protective coating of the present invention comprises 10 to 15 parts or 15 to 18 parts by weight of pigment, for example 10 parts, 12 parts, 12.5 parts, 15 parts.
In some embodiments, the acrylic resin is present in the surface protective coating of the present invention in an amount of 20 to 30 parts by mass or 25 to 28 parts by mass, for example 20 parts, 22 parts, 25 parts, 30 parts.
In some embodiments, the xylene is present in the surface protective coating of the present invention in an amount of 0.1 to 1.6 parts, 0.1 to 0.8 parts, or 1 to 2 parts, for example, 0.1 part, 0.7 part, 1 part, 1.6 parts by weight. The invention uses dimethylbenzene as a coating solvent, and the use amount of the dimethylbenzene is excessive to generate irritation.
It is understood that in the present invention, the further definition of the parts by mass of one or more components in the surface protective coating means that the parts by mass of one or more components therein are further defined on the basis of the following basic formulation: 0.1-1 part by mass of a dispersing agent, 0.5-3 parts by mass of a leveling agent, 0.01-0.5 part by mass of propylene glycol methyl ether, 1-6 parts by mass of an antifoaming agent, 10-20 parts by mass of a pigment, 20-30 parts by mass of an acrylic resin and 0.1-2 parts by mass of xylene. For example, "the mass part of the dispersant is 0.1 to 0.6 part" means that the surface protective coating may include: according to the mass parts, 0.1-0.6 mass part of dispersing agent, 0.5-3 mass parts of flatting agent, 0.01-0.5 mass part of propylene glycol methyl ether, 1-6 mass parts of defoaming agent, 10-20 mass parts of pigment, 20-30 mass parts of acrylic resin and 0.1-2 mass parts of dimethylbenzene.
The surface protective coating of the present invention can be prepared by uniformly mixing the components of the surface protective coating. When the components of the surface protection coating are mixed, the dispersing agent, the leveling agent, the propylene glycol methyl ether, the defoaming agent, the acrylic resin and the xylene can be uniformly mixed, and then the pigment is added and uniformly mixed. After mixing uniformly, the coating is preferably ground to a fineness of less than 30 microns.
In some embodiments, a method of making a surface protective coating of the present invention comprises: mixing a dispersing agent, a leveling agent, propylene glycol methyl ether, a defoaming agent, acrylic resin and xylene, stirring at the rotating speed of 500-1000 rpm for at least 30min, adding a pigment, stirring at the rotating speed of 1000-1500 rpm for at least 30min, and grinding until the fineness is less than 30 microns to obtain the surface protection coating.
After mixing the dispersant, the leveling agent, propylene glycol methyl ether, the defoamer, the acrylic resin and xylene, the mixture is preferably stirred at a rotation speed of 500 to 1000rpm, for example, 500 to 800rpm, for 30 to 60min, for example, 30 to 50 min. After the pigment is added, the mixture is preferably stirred at 1000 to 1500rpm for 30 to 120min, for example, 60. + -.10 min.
The invention has the following beneficial effects:
1. the surface protection coating has the advantages of fewer raw material types, low equipment requirement, simple preparation process, high storage stability and contribution to reducing the cost;
2. the surface protection coating can be well attached to the surface of an automobile, cannot fall off, can be used for automobile surface protection or temporary decoration and the like, can be manually stripped from the automobile when needed, cannot damage the original surface, and does not influence the attractiveness and sales of the automobile;
3. the surface protection coating disclosed by the invention is good in self-drying property and corrosion resistance, can prevent erosion of rainwater and prevent the phenomena of light loss, color change, cracks, falling, peeling and aging on the surface of an automobile;
4. the surface protection coating has good anti-sagging and anti-sliding performance, can reach the required coating thickness, has good compactness, and can be used for coating treatment of the surface of a new energy automobile;
5. the surface protection coating is convenient to use, can be used for automobile paint repair, has high surface glossiness and good leveling property, and can reduce the paint repair cost;
6. the surface protection coating disclosed by the invention is good in environmental protection.
The present invention will be illustrated below by way of specific examples. It should be understood that these examples are illustrative only and are not intended to limit the scope of the present invention. The methods, reagents and materials used in the examples are, unless otherwise indicated, conventional in the art. The starting materials in the examples are all commercially available.
The sources of the drugs used in the following examples are as follows:
sodium polycarboxylate: south-Tong Yongle chemical Co., Ltd;
sodium hexametaphosphate: sienna Munsen bioengineering, Inc.;
an acrylate leveling agent: hong Jiang trading, Inc., Guangzhou, Bike BYK 354;
tributyl phosphate: chemical Limited, Minxin, Jinan;
propylene glycol methyl ether: (ii) alatin;
acrylic resin: jiangsu Gaoqi New Material Co., Ltd;
xylene: (ii) alatin;
pigment: white pigment for automobile paint, Yuhong pigment Ltd.
Example 1
A surface protection coating for new energy automobiles comprises: according to the mass parts, 0.6 part of dispersant, 1 part of flatting agent, 0.06 part of propylene glycol methyl ether, 3 parts of defoaming agent, 15 parts of pigment, 25 parts of acrylic resin and 1 part of dimethylbenzene. Wherein the dispersant is sodium polycarboxylate, the flatting agent is acrylate flatting agent, and the defoaming agent is tributyl phosphate.
The preparation method of the surface protective coating in the embodiment comprises the following steps: mixing the dispersing agent, the leveling agent, propylene glycol methyl ether, the defoaming agent, the acrylic resin and the xylene, stirring at the rotating speed of 500rpm for 30min, adding the pigment, stirring at the rotating speed of 1000rpm for 60min, and grinding until the fineness is less than 30 microns to obtain the surface protection coating.
Example 2
A surface protection coating for new energy automobiles comprises: according to the mass parts, 0.4 part of dispersant, 0.6 part of flatting agent, 0.5 part of propylene glycol methyl ether, 2 parts of defoaming agent, 12 parts of pigment, 25 parts of acrylic resin and 0.7 part of dimethylbenzene. Wherein the dispersing agent is sodium hexametaphosphate, the flatting agent is acrylate flatting agent, and the defoaming agent is tributyl phosphate.
The preparation method of the surface protective coating in the embodiment comprises the following steps: and mixing the dispersing agent, the leveling agent, propylene glycol methyl ether, the defoaming agent, acrylic resin and xylene, stirring at the rotating speed of 600rpm for 50min, adding the pigment, stirring at the rotating speed of 1500rpm for 60min, and grinding until the fineness is less than 30 microns to obtain the surface protection coating.
Example 3
A surface protection coating for new energy automobiles comprises: according to the mass parts, 0.6 mass part of dispersing agent, 1.2 mass parts of flatting agent, 0.3 mass part of propylene glycol methyl ether, 2 mass parts of defoaming agent, 12 mass parts of pigment, 20 mass parts of acrylic resin and 0.1 mass part of dimethylbenzene. Wherein the dispersing agent is sodium hexametaphosphate, the flatting agent is acrylate flatting agent, and the defoaming agent is tributyl phosphate.
The preparation method of the surface protective coating in the embodiment comprises the following steps: mixing a dispersing agent, a leveling agent, propylene glycol methyl ether, a defoaming agent, acrylic resin and xylene, stirring at the rotating speed of 700rpm for 50min, adding a pigment, stirring at the rotating speed of 1200rpm for 60min, and grinding until the fineness is less than 30 microns to obtain the surface protection coating.
Example 4
A surface protection coating for new energy automobiles comprises: according to the mass parts, 0.5 mass part of dispersing agent, 0.75 mass part of flatting agent, 0.25 mass part of propylene glycol methyl ether, 4 mass parts of defoaming agent, 12.5 mass parts of pigment, 22 mass parts of acrylic resin and 1.6 mass parts of dimethylbenzene.
The preparation method of the surface protective coating in the embodiment comprises the following steps: mixing the dispersing agent, the leveling agent, propylene glycol methyl ether, the defoaming agent, the acrylic resin and the xylene, stirring at the rotating speed of 800rpm for 50min, adding the pigment, stirring at the rotating speed of 1200rpm for 60min, and grinding until the fineness is less than 30 microns to obtain the surface protection coating.
Example 5
A surface protection coating for new energy automobiles comprises: according to the mass parts, 0.3 part of dispersant, 0.6 part of flatting agent, 0.02 part of propylene glycol methyl ether, 1 part of defoamer, 15 parts of pigment, 30 parts of acrylic resin and 1 part of xylene.
The preparation method of the surface protective coating in the embodiment comprises the following steps: mixing the dispersing agent, the leveling agent, propylene glycol methyl ether, the defoaming agent, the acrylic resin and the xylene, stirring at the rotating speed of 800rpm for 50min, adding the pigment, stirring at the rotating speed of 1200rpm for 60min, and grinding until the fineness is less than 30 microns to obtain the surface protection coating.
Example 6
A surface protection coating for new energy automobiles comprises: according to the mass parts, 0.1 part of dispersant, 0.5 part of flatting agent, 0.5 part of propylene glycol methyl ether, 1 part of defoaming agent, 10 parts of pigment, 30 parts of acrylic resin and 1 part of dimethylbenzene.
The preparation method of the surface protective coating in the embodiment comprises the following steps: mixing the dispersing agent, the leveling agent, propylene glycol methyl ether, the defoaming agent, the acrylic resin and the xylene, stirring at the rotating speed of 800rpm for 50min, adding the pigment, stirring at the rotating speed of 1200rpm for 60min, and grinding until the fineness is less than 30 microns to obtain the surface protection coating.
Test example
The surface protection coatings obtained in the embodiments 1 to 6 are tested, the surface protection coatings are coated on the surface of an automobile, the coating thickness is 3 micrometers, the surface protection coatings obtained in the embodiments 1 to 6 can be well attached to the surface of the automobile, the surface protection coatings cannot fall off, the surface protection coatings can be manually peeled off from the automobile when needed, and the attractiveness and the sales of the automobile are not affected.
The surface protective coatings of examples 1 to 6 were applied to the surface of an automobile outer shell, dried at room temperature for 20min, immersed in dilute hydrochloric acid having a pH of 5 for 2h (simulated acid rain), and the coating formed by the surface protective coating was peeled off, so that the automobile surface did not show the phenomena of dullness, discoloration, cracking, peeling, and aging.
Claims (10)
1. A surface protective coating useful for automobiles, said surface protective coating comprising: according to the mass parts, 0.1-1 part of dispersant, 0.5-3 parts of flatting agent, 0.01-0.5 part of propylene glycol methyl ether, 1-6 parts of defoamer, 10-20 parts of pigment, 20-30 parts of acrylic resin and 0.1-2 parts of xylene.
2. The surface protection coating according to claim 1, wherein the dispersant is present in an amount of 0.1 to 0.6 parts by mass.
3. The surface protection coating according to claim 1, wherein the leveling agent is present in the surface protection coating in an amount of 0.5 to 1.2 parts by mass.
4. The surface protection paint according to claim 1, wherein the propylene glycol methyl ether is present in an amount of 0.02 to 0.5 parts by mass.
5. The surface protection coating according to claim 1, wherein the defoaming agent is present in an amount of 1 to 4 parts by mass.
6. The surface protection coating according to claim 1, wherein the pigment is present in an amount of 10 to 15 parts by mass.
7. The surface protective coating according to claim 1, wherein the xylene is contained in the surface protective coating in an amount of 0.1 to 1.6 parts by mass.
8. The surface protective coating of claim 1, wherein the surface protective coating comprises: according to the mass parts, 0.1-0.6 mass part of dispersing agent, 0.5-1.2 mass parts of flatting agent, 0.02-0.5 mass part of propylene glycol methyl ether, 1-4 mass parts of defoaming agent, 10-15 mass parts of pigment, 20-30 mass parts of acrylic resin and 0.1-1.6 mass parts of dimethylbenzene.
9. The surface protective coating of claim 1, wherein the surface protective coating has one or more of the following characteristics:
the dispersant is selected from one or two of sodium polycarboxylate and sodium hexametaphosphate;
the flatting agent is an acrylate flatting agent;
the defoaming agent is tributyl phosphate.
10. A method of preparing the surface protective coating of any one of claims 1-9, the method comprising: mixing a dispersing agent, a leveling agent, propylene glycol methyl ether, a defoaming agent, acrylic resin and xylene, stirring at the rotating speed of 500-1000 rpm for at least 30min, adding a pigment, stirring at the rotating speed of 1000-1500 rpm for at least 30min, and grinding until the fineness is less than 30 microns to obtain the surface protection coating;
preferably, after mixing the dispersing agent, the leveling agent, propylene glycol methyl ether, the defoaming agent, the acrylic resin and the xylene, stirring at the rotating speed of 500-1000 rpm for 30-60 min;
preferably, the pigment is added and then stirred for 30-120 min at the rotating speed of 1000-1500 rpm.
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| WO2019126956A1 (en) * | 2017-12-25 | 2019-07-04 | 姚锋平 | Decorative paint and spray painting method therefor |
| CN109321070A (en) * | 2018-11-14 | 2019-02-12 | 漳州鑫展旺化工有限公司 | A kind of automobile environment-protection trim paint and preparation method thereof |
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Application publication date: 20220114 |