Metallic art paint and preparation method thereof

Abstract

The application provides a metal texture artistic paint and a preparation method thereof. The metal texture artistic paint comprises A component and B component. The A component comprises 80-90% of acrylic emulsion, 1-5% of film forming aid and 0.1-5% of rheological aid according to mass percentage. The B component comprises metal powder. The mass ratio of the A component to the B component is 1: (2-5). The artistic paint has good metal texture effect and environmental protection performance.

Description

Technical Field

[0001] This invention relates to the field of coating technology, and in particular to a metallic textured artistic coating and its preparation method. Background Technology

[0002] As China's paint market matures, profit margins for traditional paints are being squeezed, and the industry is facing pressure to transform and upgrade. Against this backdrop, artistic paints, with their rich decorative effects and high added value, are increasingly attracting market attention. Among them, metallic artistic paints, which can present a metallic luster and texture with a strong visual impact, are widely used in interior decoration, high-end commercial spaces, and personalized customization, and have become an important sub-category in the artistic paint market.

[0003] Currently, although coatings have good film-forming properties, regular metallic powder arrangement, and strong metallic luster, they contain a large amount of organic solvents. During construction and drying, they release high concentrations of volatile organic compounds, which have an adverse effect on indoor air quality and make it difficult to meet increasingly stringent environmental standards and consumers' demand for a healthy living environment. Summary of the Invention

[0004] This invention provides a metallic textured artistic coating and its preparation method. The artistic coating has a good metallic texture effect and environmental protection performance.

[0005] According to one aspect of the present invention, a metallic textured art coating is provided, the metallic textured art coating comprising component A and component B; by mass percentage, component A comprises 80% to 90% acrylic emulsion, 1% to 5% film-forming aid, and 0.1% to 5% rheology modifier; component B comprises metal powder; by mass ratio, component A: component B = 1:(2 to 5).

[0006] In this invention, acrylic emulsion is used as the film-forming substance, combined with film-forming aids and rheology modifiers. Component A, formed as a result, is mixed with component B containing metallic powder in a specific ratio, allowing the artistic coating to form a metallic texture after application. Furthermore, due to the use of a water-based system, the coating has a low content of volatile organic compounds, meeting environmental performance requirements. Therefore, the metallic artistic coating provided by this invention combines excellent metallic decorative effect with environmental performance.

[0007] Preferably, component A further includes 0.5% to 1% antifreeze, 0.1% to 0.5% pH adjuster, 0.1% to 1% defoamer, and 0.3% to 0.5% preservative.

[0008] Preferably, the particle size of the acrylic emulsion is 0.05 to 0.1 µm.

[0009] Preferably, the solid content of the acrylic emulsion is 46% to 48%.

[0010] Preferably, the film-forming aid comprises dodecyl alcohol ester.

[0011] Preferably, the rheology modifier includes a polyurethane thickener.

[0012] Preferably, the metal powder includes at least one of copper powder and gold powder.

[0013] Preferably, the metallic powder includes copper powder. When the metallic powder includes copper powder, the raw material cost of copper powder is relatively low, which helps to reduce the production cost of artistic coatings; at the same time, copper powder can exhibit good metallic luster and color saturation in water-based systems, and after application, it can form a metallic textured coating with brass or red copper hues, enriching the decorative effect of the product.

[0014] Preferably, the ratio of component A to component B is 1:4 by mass.

[0015] According to another aspect of the present invention, a method for preparing a metallic textured artistic coating is provided, comprising the following steps: mixing an acrylic emulsion, a film-forming aid, and a rheology modifier to obtain component A; mixing metallic powder to obtain component B; and subsequently mixing component A and component B. Detailed Implementation

[0016] The technical features of the technical solution provided by the present invention will be further clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0017] Example 1 This embodiment provides a metallic textured artistic coating, the preparation method of which includes the following steps: S1. Preparation of Component A: By weight, 3.2 parts water and 90 parts acrylic emulsion (particle size 0.08µm, solid content 48%) are mixed; then 0.5 parts defoamer, 4 parts film-forming aid, 0.3 parts preservative, 1 part antifreeze, and 1 part rheology modifier are added, and the mixture is stirred for 10 minutes to obtain Component A. Among the materials used above, the defoamer is a mineral oil defoamer, the film-forming aid is dodecyl alcohol ester, the preservative is Kathon, the antifreeze is FT-68, and the rheology modifier is a polyurethane thickener.

[0018] S2. Preparation of component B: Component B is composed of copper powder.

[0019] S3. Preparation of metallic textured art paint: Mix component A and component B at a mass ratio of 1:4 and stir evenly to obtain metallic textured art paint.

[0020] Example 2 This embodiment provides a metallic textured artistic coating, the preparation method of which includes the following steps: S1. Preparation of Component A: By weight, 17.1 parts water, 80 parts acrylic emulsion (particle size 0.05 µm, solid content 46%), 0.5 parts defoamer, 1 part film-forming aid, 0.3 parts preservative, 1 part antifreeze, and 0.1 parts rheology modifier are mixed and stirred for 10 minutes to obtain Component A. Among the materials used above, the defoamer is a mineral oil defoamer, the film-forming aid is dodecyl alcohol ester, the preservative is Kathon, the antifreeze is FT-68, and the rheology modifier is a polyurethane thickener.

[0021] S2. Preparation of component B: Component B is composed of copper powder.

[0022] S3. Preparation of metallic textured art paint: Mix component A and component B at a mass ratio of 1:2 and stir evenly to obtain metallic textured art paint.

[0023] Example 3 This embodiment provides a metallic textured artistic coating, the preparation method of which includes the following steps: S1. Preparation of Component A: By weight, mix 2.5 parts water and 90 parts acrylic emulsion (particle size 0.1µm, solid content 48%); then add 1 part defoamer, 1 part film-forming aid, 0.5 parts preservative, 0 parts antifreeze, and 5 parts rheology modifier, and stir for 10 minutes to obtain Component A. Among the materials used above, the defoamer is an organosilicon surfactant, the film-forming aid is dodecyl alcohol ester, the preservative is BIT, the antifreeze is FT-68, and the rheology modifier is a polyurethane thickener.

[0024] S2. Preparation of component B: Component B is composed of copper powder.

[0025] S3. Preparation of metallic textured art paint: Mix component A and component B at a mass ratio of 1:5 and stir evenly to obtain metallic textured art paint.

[0026] Example 4 This embodiment prepares a metallic textured art coating according to the preparation method provided in Example 1. The difference between this embodiment and Example 1 is that component B is composed of gold powder. Apart from the above differences, the materials, formula ratios and preparation operations used in this embodiment are strictly consistent with those in Example 1.

[0027] Example 5 This embodiment prepares a metallic textured art coating according to the preparation method provided in Example 1. The difference in composition compared with Example 1 is that component B in this embodiment is composed of copper powder and gold powder mixed in a mass ratio of 1:1. Apart from the above differences, the materials, formula ratios and preparation operations used in this embodiment are strictly consistent with those in Example 1.

[0028] Comparative Example 1 This comparative example prepares a metallic textured art coating according to the preparation method provided in Example 1. The difference between this comparative example and Example 1 is that the total amount of component A and component B is kept constant during the preparation of the metallic textured art coating, and the mass ratio of component A to component B is adjusted to 1:1. Apart from the above differences, the materials, formula ratios and preparation operations used in this comparative example are strictly consistent with those in Example 1.

[0029] Comparative Example 2 This comparative example prepares a metallic textured art coating according to the preparation method provided in Example 1. The difference between this comparative example and Example 1 is that the total amount of component A and component B is kept constant during the preparation of the metallic textured art coating, and the mass ratio of component A to component B is adjusted to 1:6. Apart from the above differences, the materials, formula ratios and preparation operations used in this comparative example are strictly consistent with those in Example 1.

[0030] Comparative Example 3 This comparative example prepares a metallic textured art coating according to the preparation method provided in Example 1. The difference between this comparative example and Example 1 is that aluminum powder of equal mass is used to replace copper powder in Example 1 during the preparation of the metallic textured art coating. Apart from the above differences, the materials, formula ratios and preparation operations used in this comparative example are strictly consistent with those in Example 1.

[0031] Test case 1. Test subjects: The metallic textured art coatings provided in Examples 1 to 5 and Comparative Examples 1 to 3 are used as test subjects in this test.

[0032] 2. Test content: (1) Environmental performance: According to JG / T 481-2015 "Waterborne Interior Wall Coating Materials with Low Volatile Organic Compounds (VOCs)", the test objects were sampled and prepared. An appropriate amount of coating was taken and the test specimens were prepared according to the standard requirements. The test specimens were placed in the center of the environmental test chamber, with the emission surface horizontal and upward, so that the airflow passed evenly through the surface of the specimens. The specimens were placed in the environmental test chamber under the specified temperature, humidity and ventilation conditions. After a certain equilibrium time, the release of volatile organic compounds (VOCs) in the air inside the chamber was detected. The environmental performance evaluation method of the test objects is as follows: when the release of volatile organic compounds (VOCs) of the test objects is ≤5 g / kg, it is rated as "qualified"; when the release of volatile organic compounds (VOCs) of the test objects is >5 g / kg, it is rated as "unqualified".

[0033] (2) Metallic Texture Effect: The test object was applied to a standard cement asbestos board or actual substrate according to the product instructions (the application process included applying primer and topcoat 2-3 times, followed by sanding and polishing). After the coating was completely dry, it was visually observed under a standard light source (color temperature 6000K, illuminance 300-500Lx) at two angles: 45° and 90° between the observer's line of sight and the sample surface. The observation included the intensity of the metallic luster, the gradation of metallic colors, the naturalness of the texture, and the overall decorative effect. The rating criteria for the metallic texture effect of the test subjects are as follows: Using a standard sample with a high-quality metallic texture effect as a reference, when the coating has a strong and natural metallic luster, rich and natural transitions in metallic gradient colors, clear and realistic texture, and the overall effect highly reproduces the solid metallic texture with no visible difference compared to the standard sample, it is rated as "excellent"; when the coating has a distinct metallic luster, presents a certain metallic gradient color, has a good texture, and the overall decorative effect is close to the metallic texture, but there is a slight difference compared to the standard sample, it is rated as "good"; when the coating has a dull or absent metallic luster, no obvious gradient color, poor texture or plastic feel, and the overall effect cannot present a metallic texture, it is rated as "unqualified".

[0034] 3. Test Results Table 1. Relevant performance test results of the test subjects

[0035] The relevant performance test results of the metallic textured art coatings provided in Examples 1-5 and Comparative Examples 1-3 are shown in Table 1. As can be seen from Table 1, the metallic textured art coatings provided in Examples 1-5 have both good environmental performance and metallic texture effect, while the metallic texture effect of the metallic textured art coatings provided in Comparative Examples 1-3 was rated as "unqualified".

[0036] Compared to Example 1, the difference in composition between the metallic textured art coatings provided in Comparative Examples 1 and 2 is the mass ratio of component A to component B; the difference in composition between the metallic textured art coatings provided in Comparative Example 3 is the presence of metallic powder. The test results show that the metallic textured art coatings provided in Comparative Examples 1 and 3 were rated as "unqualified" in terms of metallic texture effect. This indicates that in this invention, acrylic emulsion is used as the film-forming substance, combined with film-forming aids and rheology modifiers. The resulting component A is used in a specific ratio with component B containing metallic powder, enabling the art coating to form a coating with a metallic texture effect after application. Furthermore, due to the use of a water-based system, the volatile organic compound content of this coating is low, meeting environmental performance requirements.

[0037] Compared to Example 1, the difference in the composition of the metallic textured art coatings provided in Examples 4 and 5 lies in the inclusion of metallic powder. Test results show that the metallic textured art coating provided in Example 1 was rated "excellent," while the metallic textured art coatings provided in Examples 4 and 5 were rated "good." This indicates that when the metallic powder includes copper powder, the raw material cost of copper powder is relatively low, which helps reduce the production cost of the art coating. Simultaneously, copper powder exhibits good metallic luster and color saturation in a water-based system, and after application, it can form a metallic textured coating with brass or red copper hues, enriching the decorative effect of the product.

[0038] The above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention, but such modifications or substitutions are all within the scope of protection of the present invention.

Claims

1. A metallic-textured artistic coating, characterized in that, The metallic textured art coating comprises component A and component B; Component A, calculated by mass percentage, comprises 80%–90% acrylic emulsion, 1%–5% film-forming aid, and 0.1%–5% rheology modifier; Component B includes metal powder; The mass ratio of component A to component B is 1:(2-5).

2. The metallic textured artistic coating as described in claim 1, characterized in that: Component A further includes 0.5%–1% antifreeze, 0.1%–0.5% pH adjuster, 0.1%–1% defoamer, and 0.3%–0.5% preservative.

3. The metallic textured artistic coating as described in claim 1, characterized in that: The acrylic emulsion has a particle size of 0.05–0.1 µm.

4. The metallic textured artistic coating as described in claim 1, characterized in that: The solid content of the acrylic emulsion is 46% to 48%.

5. The metallic textured artistic coating as described in claim 1, characterized in that: The film-forming aid includes alcohol ester twelve.

6. The metallic textured artistic coating as described in claim 1, characterized in that: The rheology modifier includes a polyurethane thickener.

7. The metallic textured artistic coating as described in claim 1, characterized in that: The metal powder includes at least one of copper powder and gold powder.

8. The metallic textured artistic coating as described in claim 7, characterized in that: The metal powder includes copper powder.

9. The metallic textured artistic coating as described in claim 1, characterized in that: The mass ratio of component A to component B is 1:

4.

10. A method for preparing a metallic textured artistic coating as described in any one of claims 1 to 9, characterized in that, Includes the following steps: The acrylic emulsion, the film-forming aid, and the rheology modifier are mixed to prepare component A; The metal powder is mixed to obtain component B; The components A and B are then mixed.

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