A high-efficiency mildew-proof airless spraying texture water-in-water artistic paint and a preparation method thereof

Abstract

The present application relates to a kind of high-efficiency mildew-proof airless spray texture water-in-water artistic paint and its preparation method, it is related to paint technology field, the airless spray texture water-in-water artistic paint includes toning base paint formula A, mildew-proof base paint formula B, continuous phase formula C and water etc..The present application provides a kind of high-efficiency mildew-proof airless spray texture water-in-water artistic paint, the artistic paint has the following characteristics: first, it should have certain texture itself, can directly form stone effect, without additional sand texture paint;Second, construction process should be efficient and simple, reduce construction difficulty and time cost;At the same time, paint should have high-efficiency mildew-proof performance, ensure that coating is kept beautiful and healthy environment in long-term use;Finally, to further improve construction efficiency, the paint should be suitable for airless spray tool, realize quick, uniform spraying effect, make up for the deficiency of prior art.

Description

Technical Field

[0001] This invention relates to the field of coating technology, and in particular to a water-in-water artistic coating with high-efficiency mildew prevention and a method for its preparation. Background Technology

[0002] In the field of architectural decoration, decorative materials that pursue naturalness and aesthetics have always been highly favored. Water-based coatings, as a type of coating that can simulate the texture of natural stone, have been widely used in the market in recent years. However, the traditional construction process of water-based coatings is relatively complex, usually requiring a second coat of water-based coating to be applied on top of a pre-sprayed sand-textured paint to achieve the desired stone-like effect. This multi-layer construction process not only increases the difficulty and time cost of construction, but may also create potential quality problems at the joints between layers.

[0003] On the other hand, while water-based sand-textured coatings simplify the application process to some extent—because they contain sand particles that directly create a stone-like texture without the need for additional sand-textured paint—they also have significant drawbacks in practical applications. Due to their sandy nature, "sand leakage" is prone to occur during application, where sand particles detach from the coating, affecting the integrity and aesthetics of the finish. Furthermore, water-based sand-textured coatings are susceptible to delamination, further reducing the stability and durability of the coating. Simultaneously, the higher material consumption during application increases material costs, limiting their wider application.

[0004] More importantly, most water-in-water and water-in-sand coatings currently on the market rely on specialized air-spraying tools for application. This spraying method is not only relatively inefficient, but also prone to uneven application, affecting the final coating finish. In the modern construction industry, which prioritizes efficiency, energy conservation, and environmental protection, this method clearly no longer meets market demands.

[0005] Therefore, there is an urgent need to develop a new type of water-in-water artistic coating to meet the market demand for new, efficient, and environmentally friendly building decoration materials. Summary of the Invention

[0006] To address the aforementioned problems, this invention provides an airless sprayable textured water-in-water artistic coating with high-efficiency mildew prevention and its preparation method.

[0007] In a first aspect, the present invention provides an airless sprayable textured water-in-water art coating with high-efficiency mildew prevention, the airless sprayable textured water-in-water art coating comprising a tinting base paint formulation A, a mildew-preventing base paint formulation B, a continuous phase formulation C, and water;

[0008] The tinting base paint formulation A comprises a tinting base paint consisting of a first stage material, a second stage material, and a third stage material, and a 5% lithium magnesium silicate protective adhesive solution; the 5% lithium magnesium silicate protective adhesive solution has a weight percentage of 23-28 parts, and the tinting base paint has a weight percentage of 40-50 parts; the first stage material comprises the following components in parts by weight: water 29.4-31.5 parts, bactericide 0.1-0.3 parts, antifreeze 0.5-1.0 parts, defoamer 0.1-0.3 parts, and dispersant 0.2-0.5 parts; the second stage material comprises the following components in parts by weight... The components by weight are: titanium dioxide 1-3 parts, calcined kaolin 8-12 parts, heavy calcium carbonate 18-21 parts, wood fiber 0-6 parts, hydroxyethyl cellulose 0.7-1.1 parts, hydrophobically modified hydroxyethyl cellulose 0-0.6 parts, and pH adjuster 0.1-0.3 parts; the third stage material includes the following components by weight: bactericide 0.1-0.3 parts, mildew inhibitor 0.1-0.2 parts, film-forming aid 1.0-1.5 parts, emulsion 20-24 parts, defoamer 0.1-0.3 parts, and 10% lithium magnesium silicate protective adhesive solution 6-9 parts;

[0009] The anti-mildew base paint formulation B comprises an anti-mildew base paint consisting of a fourth-stage material, a fifth-stage material, and a sixth-stage material, and a 5% magnesium lithium silicate protective adhesive solution; the 5% magnesium lithium silicate protective adhesive solution has a weight percentage of 23-28 parts, and the anti-mildew base paint has a weight percentage of 40-50 parts; the fourth-stage material comprises the following components in parts by weight: water 27.15-36.85 parts, bactericide 0.1-0.3 parts, antifreeze 0.5-1.0 parts, defoamer 0.1-0.3 parts, and dispersant 0.2-0.5 parts; the sixth-stage material... The fifth stage material comprises the following components in parts by weight: 5-8 parts titanium dioxide, 13-17 parts calcined kaolin, 0.7-1.1 parts hydroxyethyl cellulose, 0.5-1.0 parts hydrophobically modified hydroxyethyl cellulose, and 0.1-0.3 parts pH adjuster; the sixth stage material comprises the following components in parts by weight: 0.1-0.3 parts bactericide, 0.2-2.5 parts mildew inhibitor, 1.4-1.8 parts film-forming aid, 28-35 parts emulsion, 0.1-0.3 parts defoamer, and 7-10 parts 10% lithium magnesium silicate protective colloid solution;

[0010] The continuous phase formulation C comprises the following components in parts by weight: 30.3-30.4 parts water, 58-62 parts emulsion, 1-3 parts antifreeze, 2-5 parts film-forming aid, 0.2-0.5 parts defoamer, 0.2-0.5 parts bactericide, 0.1-0.2 parts mildew inhibitor, 0.1-0.2 parts pH adjuster, and 3.8 parts water-diluted associative alkali-swelling thickener; the water-diluted associative alkali-swelling thickener is composed of 0.8 parts by weight of the associative alkali-swelling thickener and 3 parts by weight of water.

[0011] Furthermore, the weight ratio of the tinted base paint formulation A, the anti-mildew base paint formulation B, the continuous phase formulation C, and the water is (60-65):(5-10):(20-30):(3-7).

[0012] Further, the tinting base paint formulation A comprises a tinting base paint consisting of a first stage material, a second stage material, and a third stage material, and a 5% lithium magnesium silicate protective adhesive solution; the 5% lithium magnesium silicate protective adhesive solution has a weight percentage of 25 parts, and the tinting base paint has a weight percentage of 45 parts; the first stage material comprises the following components in parts by weight: 31.4 parts water, 0.15 parts bactericide, 0.8 parts antifreeze, 0.2 parts defoamer, and 0.3 parts dispersant; the third stage material... The second-stage material comprises the following components in parts by weight: 2 parts titanium dioxide, 10 parts calcined kaolin, 18 parts heavy calcium carbonate, 3 parts lignocellulose, 0.7 parts hydroxyethyl cellulose, 0.6 parts hydrophobically modified hydroxyethyl cellulose, and 0.15 parts pH adjuster; the third-stage material comprises the following components in parts by weight: 0.2 parts bactericide, 0.1 parts mildew inhibitor, 1.2 parts film-forming aid, 22 parts emulsion, 0.2 parts defoamer, and 9 parts 10% lithium magnesium silicate protective adhesive solution; or,

[0013] The tinting base paint formulation A comprises a tinting base paint consisting of a first stage material, a second stage material, and a third stage material, and a 5% lithium magnesium silicate protective adhesive solution; the 5% lithium magnesium silicate protective adhesive solution has a weight percentage of 25 parts, and the tinting base paint has a weight percentage of 45 parts; the first stage material comprises the following components in parts by weight: 29.4 parts water, 0.15 parts bactericide, 0.8 parts antifreeze, 0.2 parts defoamer, and 0.3 parts dispersant; the second stage... The first material comprises the following components in parts by weight: 2 parts titanium dioxide, 10 parts calcined kaolin, 18 parts heavy calcium carbonate, 6 parts lignocellulose, 0.7 parts hydroxyethyl cellulose, 0.6 parts hydrophobically modified hydroxyethyl cellulose, and 0.15 parts pH adjuster; the second material comprises the following components in parts by weight: 0.2 parts bactericide, 0.1 parts mildew inhibitor, 1.2 parts film-forming aid, 22 parts emulsion, 0.2 parts defoamer, and 9 parts 10% lithium magnesium silicate protective colloid solution; or,

[0014] The tinting base paint formulation A comprises a tinting base paint consisting of a first stage material, a second stage material, and a third stage material, and a 5% lithium magnesium silicate protective adhesive solution; the 5% lithium magnesium silicate protective adhesive solution has a weight percentage of 25 parts, and the tinting base paint has a weight percentage of 45 parts; the first stage material comprises the following components in parts by weight: 31.4 parts water, 0.15 parts bactericide, 0.8 parts antifreeze, 0.2 parts defoamer, and 0.3 parts dispersant; the second stage... The first material comprises the following components in parts by weight: 2 parts titanium dioxide, 10 parts calcined kaolin, 18 parts heavy calcium carbonate, 3 parts lignocellulose, 0.7 parts hydroxyethyl cellulose, 0.6 parts hydrophobically modified hydroxyethyl cellulose, and 0.15 parts pH adjuster; the second material comprises the following components in parts by weight: 0.2 parts bactericide, 0.1 parts mildew inhibitor, 1.2 parts film-forming aid, 22 parts emulsion, 0.2 parts defoamer, and 6 parts 10% lithium magnesium silicate protective colloid solution; or,

[0015] The tinting base paint formulation A comprises a tinting base paint consisting of a first stage material, a second stage material, and a third stage material, and a 5% lithium magnesium silicate protective adhesive solution; the 5% lithium magnesium silicate protective adhesive solution has a weight percentage of 25 parts, and the tinting base paint has a weight percentage of 45 parts; the first stage material comprises the following components in parts by weight: 31.4 parts water, 0.15 parts bactericide, 0.8 parts antifreeze, 0.2 parts defoamer, and 0.3 parts dispersant; the second stage... The first material comprises the following components in parts by weight: 2 parts titanium dioxide, 10 parts calcined kaolin, 21 parts heavy calcium carbonate, 0 parts lignocellulose, 0.7 parts hydroxyethyl cellulose, 0.6 parts hydrophobically modified hydroxyethyl cellulose, and 0.15 parts pH adjuster; the second material comprises the following components in parts by weight: 0.2 parts bactericide, 0.1 parts mildew inhibitor, 1.2 parts film-forming aid, 22 parts emulsion, 0.2 parts defoamer, and 9 parts 10% lithium magnesium silicate protective colloid solution; or,

[0016] The tinting base paint formulation A comprises a tinting base paint consisting of a first stage material, a second stage material, and a third stage material, and a 5% magnesium lithium silicate protective adhesive solution; the 5% magnesium lithium silicate protective adhesive solution has a weight percentage of 25 parts, and the tinting base paint has a weight percentage of 45 parts; the first stage material comprises the following components in parts by weight: 31.5 parts water, 0.15 parts bactericide, 0.8 parts antifreeze, 0.2 parts defoamer, and 0.3 parts dispersant; the third stage material... The second-stage material comprises the following components in parts by weight: 2 parts titanium dioxide, 10 parts calcined kaolin, 18 parts heavy calcium carbonate, 3 parts wood fiber, 1.1 parts hydroxyethyl cellulose, 0 parts hydrophobically modified hydroxyethyl cellulose, and 0.15 parts pH adjuster; the third-stage material comprises the following components in parts by weight: 0.2 parts bactericide, 0.2 parts mildew inhibitor, 1.2 parts film-forming aid, 22 parts emulsion, 0.2 parts defoamer, and 9 parts 10% lithium magnesium silicate protective adhesive solution.

[0017] Further, the anti-mildew base paint formulation B comprises an anti-mildew base paint composed of a fourth stage material, a fifth stage material, and a sixth stage material, and a 5% lithium magnesium silicate protective adhesive solution; the 5% lithium magnesium silicate protective adhesive solution has a weight percentage of 25 parts, and the anti-mildew base paint has a weight percentage of 45 parts; the fourth stage material comprises the following components in parts by weight: 34.55 parts water, 0.15 parts bactericide, 0.8 parts antifreeze, 0.2 parts defoamer, and 0.3 parts dispersant; the fifth stage material comprises the following components in parts by weight: 6 parts titanium dioxide, 15 parts calcined kaolin, 0.8 parts hydroxyethyl cellulose, 0.7 parts hydrophobically modified hydroxyethyl cellulose, and 0.2 parts pH adjuster; the sixth stage material comprises the following components in parts by weight: 0.2 parts bactericide, 2.5 parts anti-mildew agent, 1.4 parts film-forming aid, 28 parts emulsion, 0.2 parts defoamer, and 9 parts 10% lithium magnesium silicate protective adhesive solution; or,

[0018] The anti-mildew base paint formulation B comprises an anti-mildew base paint consisting of a fourth-stage material, a fifth-stage material, and a sixth-stage material, and a 5% lithium magnesium silicate protective adhesive solution; the 5% lithium magnesium silicate protective adhesive solution has a weight percentage of 25 parts, and the anti-mildew base paint has a weight percentage of 45 parts; the fourth-stage material comprises the following components in parts by weight: 27.15 parts water, 0.15 parts bactericide, 0.8 parts antifreeze, 0.2 parts defoamer, and 0.3 parts dispersant; the fifth-stage material comprises the following components in parts by weight: 6 parts titanium dioxide, 15 parts calcined kaolin, 0.8 parts hydroxyethyl cellulose, 0.7 parts hydrophobically modified hydroxyethyl cellulose, and 0.2 parts pH adjuster; the sixth-stage material comprises the following components in parts by weight: 0.2 parts bactericide, 2.5 parts anti-mildew agent, 1.8 parts film-forming aid, 35 parts emulsion, 0.2 parts defoamer, and 9 parts 10% lithium magnesium silicate protective adhesive solution; or,

[0019] The anti-mildew base paint formulation B comprises an anti-mildew base paint consisting of a fourth-stage material, a fifth-stage material, and a sixth-stage material, and a 5% lithium magnesium silicate protective colloid solution; the 5% lithium magnesium silicate protective colloid solution has a weight percentage of 25 parts, and the anti-mildew base paint has a weight percentage of 45 parts; the fourth-stage material comprises the following components in parts by weight: 36.85 parts water, 0.15 parts bactericide, 0.8 parts antifreeze, 0.2 parts defoamer, and 0.3 parts dispersant; the fifth-stage material comprises the following components in parts by weight: 6 parts titanium dioxide, 15 parts calcined kaolin, 0.8 parts hydroxyethyl cellulose, 0.7 parts hydrophobically modified hydroxyethyl cellulose, and 0.2 parts pH adjuster; the sixth-stage material comprises the following components in parts by weight: 0.2 parts bactericide, 0.2 parts anti-mildew agent, 1.4 parts film-forming aid, 28 parts emulsion, 0.2 parts defoamer, and 9 parts 10% lithium magnesium silicate protective colloid solution.

[0020] Further, the continuous phase formulation C comprises the following components in parts by weight: 30.4 parts water, 60 parts emulsion, 2 parts antifreeze, 3 parts film-forming aid, 0.3 parts defoamer, 0.3 parts bactericide, 0.1 parts fungicide, 0.1 parts pH adjuster, and 3.8 parts water-soluble associative alkali-swelling thickener; the water-soluble associative alkali-swelling thickener is composed of 0.8 parts by weight of the associative alkali-swelling thickener and 3 parts by weight of water; or,

[0021] The continuous phase formulation C comprises the following components in parts by weight: 30.3 parts water, 60 parts emulsion, 2 parts antifreeze, 3 parts film-forming aid, 0.3 parts defoamer, 0.3 parts bactericide, 0.2 parts mildew inhibitor, 0.1 parts pH adjuster, and 3.8 parts water-soluble associative alkali-swelling thickener; the water-soluble associative alkali-swelling thickener is composed of 0.8 parts by weight of the associative alkali-swelling thickener and 3 parts by weight of water.

[0022] Secondly, the present invention provides a method for preparing a water-in-water artistic coating with high-efficiency anti-mildew properties as described in any one of the first aspects, the preparation method comprising the following steps:

[0023] Preparation of tinted base paint formulation A;

[0024] Preparation of anti-mildew base paint formulation B;

[0025] Preparation of continuous phase formulation C;

[0026] The tinting base paint formulation A, the anti-mildew base paint formulation B, the continuous phase formulation C, and the water are mixed to obtain the airless spray textured water-in-water art coating.

[0027] Furthermore, the step of preparing the tinted base paint formulation A includes the following processes:

[0028] 1) Stir the water, dispersant, defoamer, bactericide and antifreeze of the first stage at 300r / min for 3min to mix them evenly.

[0029] 2) Weigh out the second batch of powder, add titanium dioxide and calcined kaolin slowly one by one, mix well for 3 minutes, then slowly add hydroxyethyl cellulose and hydrophobic modified hydroxyethyl cellulose and stir for 3 minutes. Then slowly add pH adjuster, adjust the speed to 1500 r / min and disperse for 25 minutes.

[0030] 3) Reduce the rotation speed to 1000 rpm, gradually add bactericide, fungicide, and film-forming aid. After mixing, add emulsion and defoamer, stir for 5 minutes, then add 10% protective colloid solution, rotate the rotation speed to 1500 rpm, stir and mix for 15 minutes, and then discharge the material.

[0031] 4) Granulation stage: Weigh 25 parts by weight of 5% concentration of protective colloid solution into the dispersion tank, weigh 45 parts by weight of tinting base paint A and add it to the protective colloid solution. After pre-cutting, granulate it in a disperser. The speed is gradually increased from 300 r / min by 200 r / min, and the gradient stirring time is 3 min.

[0032] Furthermore, the step of preparing the anti-mildew base paint formulation B includes the following process:

[0033] 1) Stir the water, dispersant, defoamer, bactericide and antifreeze of the first stage at 300r / min for 3min to mix them evenly.

[0034] 2) Weigh out the second batch of powder, titanium dioxide, calcined kaolin, heavy calcium carbonate and lignocellulose one by one, mix well for 3 minutes, then slowly add hydroxyethyl cellulose and hydrophobic modified hydroxyethyl cellulose and stir for 3 minutes. Then slowly add pH adjuster, adjust the speed to 1800 r / min and disperse for 25 minutes.

[0035] 3) Reduce the rotation speed to 1000 rpm, gradually add bactericide, fungicide, and film-forming aid. After mixing, add emulsion and defoamer, stir for 5 minutes, then add 10% protective colloid solution, rotate the rotation speed to 1500 rpm, stir and mix for 15 minutes, and then discharge the material.

[0036] 4) Granulation stage: Weigh 25 parts by weight of 5% concentration of protective colloid solution into the dispersion tank, weigh 45 parts by weight of tinting base paint A and add it to the protective colloid solution. After pre-cutting, granulate it in a disperser. The speed is gradually increased from 300 r / min by 200 r / min, and the gradient stirring time is 3 min.

[0037] Furthermore, the step of preparing the continuous phase formulation C includes the following process:

[0038] Add most of the water to the dispersion tank, and stir at 250 rpm. First, add the emulsion and disperse at low speed for 5 minutes. Then, add the antifreeze, film-forming aid, and defoamer, and stir for 10 minutes. Next, add the bactericide, fungicide, and pH adjuster in sequence, and stir at low speed for 5 minutes. Finally, slowly add the water-diluted associative alkali swelling thickener solution and stir to disperse for 10 minutes.

[0039] The technical solutions provided in the embodiments of the present invention have at least the following advantages compared with the prior art:

[0040] This invention provides an airless sprayable textured water-based artistic coating with high-efficiency mildew resistance. This coating has the following characteristics: First, it should possess a certain texture, directly creating a stone-like effect without the need for additional sand-textured paint; second, the application process should be efficient and simple, reducing application difficulty and time costs; simultaneously, the coating should have high-efficiency mildew resistance, ensuring the coating remains aesthetically pleasing and environmentally friendly during long-term use; finally, to further improve application efficiency, this coating should be compatible with airless spraying tools, achieving a fast and uniform spraying effect. Specifically:

[0041] 1) This invention provides a water-in-water artistic coating with a stone-like texture;

[0042] 2) The artistic coating provided by this invention has the characteristics of efficient and convenient construction and low consumption;

[0043] 3) The artistic coating provided by this invention has a long-term and highly effective anti-mildew function;

[0044] 4) The artistic coatings provided by this invention can achieve a variety of effects with different spraying tools and air pressures, achieving "multiple effects from one product":

[0045] Regarding how this invention achieves a water-in-water effect resembling stone, while also possessing the characteristics of high efficiency, simplicity, and low consumption during construction:

[0046] To achieve a good stone-like effect with a water-based paint, a distinctly uneven surface structure needs to be sprayed to create texture. Therefore, it's crucial to minimize the deformation of the paint dots throughout the spraying process, enhance their resistance to deformation, and simultaneously reduce the volume change during film drying shrinkage to achieve a smooth, textured surface. This is achieved primarily through two design techniques to create tougher paint dots. First, a combination of hydrophobically modified hydroxyethyl cellulose and hydroxyethyl cellulose is used. Selecting a suitable combination of lithium magnesium silicate and cellulose yields tougher paint dots, and increasing its dosage allows for a more complete "gel" reaction. The hydrophobically modified hydroxyethyl cellulose and lithium magnesium silicate form a gel and also associate with the emulsion, resulting in a more robust and complete three-dimensional network structure with enhanced pressure resistance. Secondly, by using wood fiber and high powder content, the wood fiber acts like a "steel bar," while the high powder content makes the color dots stronger, thus resisting the high pressure of airless spraying. This results in good integrity and low deformation of the color dots during the spraying process. In addition, the wood fiber acts as a skeleton during film formation, while the higher powder content helps to fill the strength (similar to the role of "coarse aggregate") and increase the volume solids content. This reduces the volume change of the color dots after shrinkage during the drying process, resulting in a strong texture and achieving the requirement of good texture with low consumption.

[0047] Regarding how this invention achieves long-term and highly effective anti-mold function:

[0048] By designing a base paint with a high content of antifungal agents and controlling its particle size to be very small during granulation, these particles are made into tiny white dots in the base paint, allowing them to exist uniformly in the paint film. This acts as an antifungal agent reservoir within the paint film, and a certain packing density is required to ensure timely release of the antifungal agent and exert its antifungal function. Specifically, this is achieved by having a high emulsion content and a relatively high antifungal agent content, which forms a "microcapsule" structure after drying. The ease and duration of antifungal agent release are controlled by the degree to which the emulsion and powder encapsulate the antifungal agent, achieving a slow-release effect and obtaining a long-term, highly effective antifungal function.

[0049] Regarding how to achieve diverse effects with different spraying tools, the concept of "one product, multiple effects" applies.

[0050] When using airless spraying, the principle is to expel the material through extrusion, ensuring that the substance coming out of the nozzle is entirely water-in-water paint. This allows for complete coverage of the substrate. When the discharge pressure is low, the paint dots, due to their inherent strength and toughness, can resist the crushing force caused by pressure. Simultaneously, the force of contact with the substrate is small, maintaining a uniform, three-dimensional, and rounded shape with minimal deformation, resulting in a superior texture. Furthermore, the size of the paint dots is roughly the same as the size inside the paint can, maintaining consistent and clear dots. When the air pressure is increased, the paint dots break apart due to the higher pressure, resulting in smaller dots exiting the nozzle. The force of contact with the substrate also increases, leading to slightly greater deformation and a weakened three-dimensional effect, thus diminishing the overall texture. When the product is diluted with water, the viscosity decreases, allowing for the same unit output mass at lower air pressure. However, the toughness of the paint dots remains unchanged, and the force of contact with the substrate is reduced, resulting in even less deformation and a more pronounced three-dimensional effect, i.e., a more pronounced texture. Therefore, customers can achieve diverse effects by changing the application process, offering greater operational flexibility and achieving "one product, multiple effects." Attached Figure Description

[0051] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0052] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0053] Figure 1 The image shows an effect of an airless spray-on textured water-based artistic coating with high-efficiency anti-mildew properties, provided in Embodiment 1 of the present invention.

[0054] Figure 2The image shows the effect of a water-based art paint with high-efficiency anti-mildew properties, which is provided in Embodiment 1 of the present invention, showing that it does not bleed after 30 days of storage at room temperature.

[0055] Figure 3 The image shows the effect of a water-based art paint with high-efficiency anti-mildew properties, which is airless sprayable textured paint, not bleeding after 30 days of storage at 50°C, according to Embodiment 1 of the present invention.

[0056] Figure 4 This image shows the opened state of a water-based art paint with high-efficiency anti-mildew properties, which is an airless sprayable textured paint provided in Embodiment 1 of the present invention, after being stored at 50°C for 30 days. Detailed Implementation

[0057] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, 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.

[0058] Unless otherwise specified, all raw materials, reagents, instruments and equipment used in this invention can be purchased from the market or prepared by existing methods.

[0059] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the invention. Experimental methods in the following embodiments, unless otherwise specified, are generally performed according to national standards. If no corresponding national standard exists, then generally accepted international standards, conventional conditions, or conditions recommended by the manufacturer are followed.

[0060] The specific raw materials used in the experimental examples and comparative examples are as follows:

[0061] Ethylene glycol is the preferred antifreeze agent;

[0062] The hydroxyethyl cellulose used is Ashland 250HHBR;

[0063] The hydrophobically modified hydroxyethyl cellulose used is Ashland HE10K;

[0064] The wood fiber used is BE600-30PU from Guangdong Longfor Science & Technology Co., Ltd.

[0065] The dispersant used is Arkema's P30;

[0066] The titanium dioxide used is SR-237 from Shandong Dongjia Group Co., Ltd.

[0067] The calcined kaolin used was Mitutoyo Chemical's DB80 grade.

[0068] The heavy calcium carbonate powder used is ultrafine calcium carbonate CC918 from Guangxi Hezhou Kelong Powder Co., Ltd.

[0069] The preferred pH adjuster is Dow's AMP-95;

[0070] The base paint emulsion chosen was Badifu RS-2788;

[0071] The continuous phase emulsion selected was POLYSOL AP-4765 from Shanghai Showa Polymer Co., Ltd.

[0072] The lithium magnesium silicate used is Hemings 482;

[0073] The preferred defoamer is Nopco's NXZ;

[0074] The preferred film-forming aid is LOCA DA from Shengxingxing.

[0075] The preferred bactericide is Torr's ACTICIDE MBS 5050;

[0076] The preferred preservative is Troy's PW40;

[0077] The associative alkali-swelling thickener used is Dow's TT-935.

[0078] The component dosage relationships of the artistic coatings provided in Examples 1 to 2 and Comparative Examples 1 to 4 are shown in Tables 1, 2, 3 and 4.

[0079] Table 1. Proportions of raw materials in tinting base paint formula A

[0080]

[0081]

[0082] Table 2. Proportions of raw materials in anti-mildew base paint formula B

[0083]

[0084] Table 3. Proportions of raw materials in continuous phase C

[0085]

[0086]

[0087] Table 4

[0088]

[0089] Table 5. Formulation of 10% Lithium Magnesium Silicate Protective Gel Solution

[0090] Components Weight percentage (%) water 89.7 bactericide 0.3 Hemings 482 10 Total 100

[0091] Table 6. Formulation of 5% Lithium Magnesium Silicate Protective Gel Solution

[0092] Components Weight percentage (%) water 94.7 bactericide 0.3 Hemings 482 5 Total 100

[0093] The preparation method of the above-mentioned highly effective anti-mildew airless sprayable textured water-in-water artistic coating includes the following steps:

[0094] Production process of tinted base paint A:

[0095] 1) Stir the water, dispersant, defoamer, bactericide and antifreeze of the first stage at 300r / min for 3min to mix them evenly.

[0096] 2) Weigh out the second batch of powder, add titanium dioxide and calcined kaolin slowly one by one, mix well for 3 minutes, then slowly add hydroxyethyl cellulose and hydrophobic modified hydroxyethyl cellulose and stir for 3 minutes. Then slowly add pH adjuster, adjust the speed to 1500 r / min and disperse for 25 minutes.

[0097] 3) Reduce the rotation speed to 1000 rpm, gradually add bactericide, fungicide, and film-forming aid. After mixing, add emulsion and defoamer, stir for 5 minutes, then add 10% protective colloid solution, rotate the rotation speed to 1500 rpm, stir and mix for 15 minutes, and then discharge the material.

[0098] Granulation stage: Weigh 25 parts by weight of 5% concentration protective colloid solution into a dispersion tank, weigh 45 parts by weight of tinting base paint A and add it to the protective colloid solution. After pre-cutting, granulate using a disperser. Gradually increase the speed from 300 r / min in increments of 200 r / min, and observe the size of the colored dots after 3 minutes of gradient stirring until it meets the requirements.

[0099] Production process of antifungal agent "microcapsule" base paint formulation B:

[0100] 1) Stir the water, dispersant, defoamer, bactericide and antifreeze of the first stage at 300r / min for 3min to mix them evenly.

[0101] 2) Weigh out the second batch of powder, titanium dioxide, calcined kaolin, heavy calcium carbonate and lignocellulose one by one, mix well for 3 minutes, then slowly add hydroxyethyl cellulose and hydrophobic modified hydroxyethyl cellulose and stir for 3 minutes. Then slowly add pH adjuster, adjust the speed to 1800 r / min and disperse for 25 minutes.

[0102] 3) Reduce the rotation speed to 1000 rpm, gradually add bactericide, fungicide, and film-forming aid. After mixing, add emulsion and defoamer, stir for 5 minutes, then add 10% protective colloid solution, rotate the rotation speed to 1500 rpm, stir and mix for 15 minutes, and then discharge the material.

[0103] Granulation stage: Weigh 25 parts by weight of 5% concentration protective colloid solution into a dispersion tank, weigh 45 parts by weight of tinting base paint A and add it to the protective colloid solution. After pre-cutting, granulate using a disperser. Gradually increase the speed from 300 r / min in increments of 200 r / min, and observe the size of the colored dots after 3 minutes of gradient stirring until it meets the requirements.

[0104] Production process of continuous phase C:

[0105] Add most of the water to the dispersion tank, and stir at 250 rpm. First, add the emulsion and disperse at low speed for 5 minutes. Then, add the antifreeze, film-forming aid, and defoamer, and stir for 10 minutes. Next, add the bactericide, fungicide, and pH adjuster in sequence, and stir at low speed for 5 minutes. Finally, slowly add the water-diluted associative alkali swelling thickener solution (diluted with water at a ratio of 1:3), and stir to disperse for 10 minutes.

[0106] The production process of the finished product formula is as follows:

[0107] First, add the granulated base paint A and anti-mildew base paint B to the dispersion tank, rotate at 250 r / min, slowly add the continuous phase C and water, and mix for 10 minutes.

[0108] Test case

[0109] This example demonstrates the performance testing of the artistic coatings provided in the embodiments and comparative examples.

[0110] Test method:

[0111] 1) Viscosity: After the product is manufactured, observe the temperature and test and record the viscosity in a timely manner.

[0112] 2) Color bleeding: Spray a certain amount of water-based paint onto a certain area of ​​blue substrate and observe whether the substrate color is clear.

[0113] 3) Storage stability: For thermal storage stability, place the product in a 50℃ oven for 30 days and observe the viscosity changes, application status, and paint film condition before and after thermal storage. If there are no abnormalities, it passes the test. For freeze-thaw stability, place the product in a -7℃ constant temperature chamber, remove it after 18 hours and place it at room temperature. After 6 hours, place it in a -7℃ constant temperature and humidity chamber. Repeat this cycle 3 times. Stir until it becomes fluid and observe the application status and paint film condition before and after freeze-thaw. If there are no abnormalities, it passes the test.

[0114] 4) To ensure the toughness of the colored dots, adjust the product viscosity to be consistent, use air spraying, control the spray gun distance and air pressure, spray the same quality of water-based paint, and observe the size and texture comparison of the colored dots after drying.

[0115] 5) Anti-mildew performance test: Spray two coats of water-in-water coating of a certain quality onto the calcium silicate board, cure at room temperature for 7 days, and then place it in a curing chamber with 80% humidity and 30℃. Observe the board effect in the 1st, 2nd, 3rd, 4th, 5th and up to the 6th month to see if mold grows.

[0116] The test results are shown in Table 7 below.

[0117] Table 7

[0118]

[0119] Compared with Example 1:

[0120] Example 2: With a higher content of wood fiber and more sufficient physical cross-linking, the resistance to pressure is higher, resulting in less deformation and a stronger texture;

[0121] Comparative Example 1: Insufficient amount of protective colloid resulted in insufficient "gelation" with cellulose, leading to a low density of the three-dimensional network structure and thus poor toughness of the colored dots;

[0122] Comparative Example 2: Wood fibers can form a macroscopic rigid three-dimensional network structure in the colored dots, which can obtain good resistance to pressure deformation. No wood fibers were added in Comparative Example 2, which resulted in poor toughness of the colored dots.

[0123] Comparative Example 3: The emulsion content in the anti-mildew base paint is too high, and the encapsulation of the anti-mildew agent is too dense, resulting in the anti-mildew agent not being released in time, which leads to the presence of mold spots.

[0124] Comparative Example 4: Using only hydroxyethyl cellulose, the product's resistance to high shear under high pressure is insufficient, making the colored dots easy to break. Although the overall antifungal agent content is the same as in Example 1, the antifungal performance is not as durable as in Example 1 because the antifungal agent in Comparative Example 4 is more easily consumed and lost.

[0125] In addition, the effect diagram of an airless spray-on textured water-based artistic coating with high-efficiency mildew prevention provided in Embodiment 1 of the present invention is shown below. Figure 1 As shown, its colorfastness after 30 days of storage at room temperature is as follows: Figure 2 As shown, its colorfastness after 30 days of storage at 50℃ is as follows. Figure 3 As shown, its condition after opening the can after 30 days of storage at 50℃ is as follows: Figure 4 As shown.

[0126] The above description is merely a specific embodiment of the present invention, enabling those skilled in the art to understand or implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A water-based artistic coating with highly effective mildew resistance and airless sprayable texture, characterized in that, The airless spray textured water-based art coating includes a tinted base paint formulation A, an anti-mildew base paint formulation B, a continuous phase formulation C, and water; The tinting base paint formulation A includes a tinting base paint composed of a first stage material, a second stage material, and a third stage material, and a 5% magnesium lithium silicate protective adhesive solution. The 5% lithium magnesium silicate protective adhesive solution comprises 23-28 parts by weight, and the tinted base paint comprises 40-50 parts by weight; the first stage material comprises the following components in parts by weight: water 29.4-31.5 parts, bactericide 0.1-0.3 parts, antifreeze 0.5-1.0 parts, defoamer 0.1-0.3 parts, dispersant 0.2-0.5 parts; the second stage material comprises the following components in parts by weight: titanium dioxide 1-3 parts, calcined kaolin 8- The third stage material comprises the following components by weight: 12 parts of heavy calcium carbonate, 18-21 parts of lignocellulose, 3-6 parts of wood fiber, 0.7-1.1 parts of hydroxyethyl cellulose, 0.6 parts of hydrophobically modified hydroxyethyl cellulose, and 0.1-0.3 parts of pH adjuster; the third stage material comprises the following components by weight: 0.1-0.3 parts of bactericide, 0.1-0.2 parts of mildew inhibitor, 1.0-1.5 parts of film-forming aid, 20-24 parts of emulsion, 0.1-0.3 parts of defoamer, and 9 parts of 10% lithium magnesium silicate protective adhesive solution; The anti-mildew base paint formulation B comprises an anti-mildew base paint consisting of a fourth stage component, a fifth stage component, and a sixth stage component, and a 5% magnesium lithium silicate protective adhesive solution; the 5% magnesium lithium silicate protective adhesive solution has a weight percentage of 23-28 parts, and the anti-mildew base paint has a weight percentage of 40-50 parts; the fourth stage component comprises the following components in parts by weight: water 27.15-36.85 parts, bactericide 0.1-0.3 parts, antifreeze 0.5-1.0 parts, defoamer 0.1-0.3 parts, and dispersant 0.2-0.5 parts. The fifth stage material comprises the following components in parts by weight: 5-8 parts titanium dioxide, 13-17 parts calcined kaolin, 0.7-1.1 parts hydroxyethyl cellulose, 0.5-1.0 parts hydrophobically modified hydroxyethyl cellulose, and 0.1-0.3 parts pH adjuster; the sixth stage material comprises the following components in parts by weight: 0.1-0.3 parts bactericide, 2.5 parts mildew inhibitor, 1.4-1.8 parts film-forming aid, 28 parts emulsion, 0.1-0.3 parts defoamer, and 7-10 parts 10% lithium magnesium silicate protective adhesive solution; The continuous phase formulation C comprises the following components in parts by weight: 30.3-30.4 parts water, 58-62 parts emulsion, 1-3 parts antifreeze, 2-5 parts film-forming aid, 0.2-0.5 parts defoamer, 0.2-0.5 parts bactericide, 0.1 part mildew inhibitor, 0.1-0.2 parts pH adjuster, and 3.8 parts water-soluble associative alkali-swelling thickener; the water-soluble associative alkali-swelling thickener is composed of 0.8 parts by weight of the associative alkali-swelling thickener and 3 parts by weight of water. The weight ratio of the tinted base paint formulation A, the anti-mildew base paint formulation B, the continuous phase formulation C, and the water is (60~65):(5~10):(20~30):(3~7).

2. The airless sprayable textured water-based artistic coating with high-efficiency mildew resistance according to claim 1, characterized in that, The tinting base paint formulation A comprises a tinting base paint consisting of a first stage material, a second stage material, and a third stage material, and a 5% lithium magnesium silicate protective adhesive solution; the 5% lithium magnesium silicate protective adhesive solution has a weight percentage of 25 parts, and the tinting base paint has a weight percentage of 45 parts; the first stage material comprises the following components in parts by weight: 31.4 parts water, 0.15 parts bactericide, 0.8 parts antifreeze, 0.2 parts defoamer, and 0.3 parts dispersant; the second stage... The first material comprises the following components in parts by weight: 2 parts titanium dioxide, 10 parts calcined kaolin, 18 parts heavy calcium carbonate, 3 parts lignocellulose, 0.7 parts hydroxyethyl cellulose, 0.6 parts hydrophobically modified hydroxyethyl cellulose, and 0.15 parts pH adjuster; the second material comprises the following components in parts by weight: 0.2 parts bactericide, 0.1 parts mildew inhibitor, 1.2 parts film-forming aid, 22 parts emulsion, 0.2 parts defoamer, and 9 parts 10% lithium magnesium silicate protective adhesive solution; or, The tinting base paint formulation A includes a tinting base paint composed of a first stage material, a second stage material, and a third stage material, and a 5% magnesium lithium silicate protective adhesive solution. The 5% lithium magnesium silicate protective adhesive solution comprises 25 parts by weight, and the tinted base paint comprises 45 parts by weight. The first stage material comprises the following components by weight: 29.4 parts water, 0.15 parts bactericide, 0.8 parts antifreeze, 0.2 parts defoamer, and 0.3 parts dispersant. The second stage material comprises the following components by weight: 2 parts titanium dioxide, 10 parts calcined kaolin, 18 parts heavy calcium carbonate, 6 parts wood fiber, 0.7 parts hydroxyethyl cellulose, 0.6 parts hydrophobically modified hydroxyethyl cellulose, and 0.15 parts pH adjuster. The third stage material comprises the following components by weight: 0.2 parts bactericide, 0.1 parts mildew inhibitor, 1.2 parts film-forming aid, 22 parts emulsion, 0.2 parts defoamer, and 9 parts 10% lithium magnesium silicate protective adhesive solution.

3. The airless sprayable textured water-based artistic coating with high-efficiency mildew resistance according to claim 1, characterized in that, The anti-mildew base paint formulation B comprises an anti-mildew base paint consisting of a fourth-stage material, a fifth-stage material, and a sixth-stage material, and a 5% lithium magnesium silicate protective colloid solution; the 5% lithium magnesium silicate protective colloid solution has a weight ratio of 25 parts, and the anti-mildew base paint has a weight ratio of 45 parts; the fourth-stage material comprises the following components in parts by weight: 34.55 parts water, 0.15 parts bactericide, 0.8 parts antifreeze, 0.2 parts defoamer, and 0.3 parts dispersant; the fifth-stage material comprises the following components in parts by weight: 6 parts titanium dioxide, 15 parts calcined kaolin, 0.8 parts hydroxyethyl cellulose, 0.7 parts hydrophobically modified hydroxyethyl cellulose, and 0.2 parts pH adjuster; the sixth-stage material comprises the following components in parts by weight: 0.2 parts bactericide, 2.5 parts anti-mildew agent, 1.4 parts film-forming aid, 28 parts emulsion, 0.2 parts defoamer, and 9 parts 10% lithium magnesium silicate protective colloid solution.

4. The airless sprayable textured water-based artistic coating with high-efficiency mildew resistance according to claim 1, characterized in that, The continuous phase formulation C comprises the following components in parts by weight: 30.4 parts water, 60 parts emulsion, 2 parts antifreeze, 3 parts film-forming aid, 0.3 parts defoamer, 0.3 parts bactericide, 0.1 parts fungicide, 0.1 parts pH adjuster, and 3.8 parts water-soluble associative alkali-swelling thickener; the water-soluble associative alkali-swelling thickener is composed of 0.8 parts by weight of the associative alkali-swelling thickener and 3 parts by weight of water.

5. A method for preparing a water-in-water artistic coating with highly efficient anti-mildew properties, as described in any one of claims 1 to 4, characterized in that, The preparation method includes the following steps: Preparation of tinted base paint formulation A; Preparation of anti-mildew base paint formulation B; Preparation of continuous phase formulation C; The tinting base paint formulation A, the anti-mildew base paint formulation B, the continuous phase formulation C, and the water are mixed to obtain the airless spray textured water-in-water art coating.

6. The method for preparing the highly effective anti-mildew airless sprayable textured water-in-water artistic coating according to claim 5, characterized in that, The steps for preparing the tinted base paint formulation A include the following processes: 1) Mix the water, dispersant, defoamer, bactericide and antifreeze of the first stage material at 300 r / min for 3 min until homogeneous; 2) Weigh the second batch of material, slowly add titanium dioxide and calcined kaolin one by one, mix well for 3 minutes, then slowly add hydroxyethyl cellulose and hydrophobic modified hydroxyethyl cellulose and stir for 3 minutes. Then slowly add pH adjuster, adjust the speed to 1500 r / min as appropriate, and disperse for 25 minutes. 3) Reduce the rotation speed to 1000 r / min, gradually add bactericide, mildew inhibitor and film-forming aid, add emulsion and defoamer after mixing, stir for 5 min, then add 10% lithium magnesium silicate protective adhesive solution, rotate the speed to 1500 r / min, stir and mix for 15 min and then discharge. 4) Granulation stage: Weigh 25 parts by weight of 5% lithium magnesium silicate protective adhesive solution into a dispersion tank, weigh 45 parts by weight of tinting base paint A and add it to the protective adhesive solution. After pre-cutting, granulate it in a disperser. The speed is gradually increased from 300 r / min by 200 r / min, and the gradient stirring time is 3 min.

7. The preparation method of the airless sprayable textured water-in-water artistic coating with high-efficiency mildew resistance according to claim 5, characterized in that, The steps for preparing the continuous phase formulation C include the following processes: Add most of the water to the dispersion tank, and stir at 250 rpm. First, add the emulsion and disperse at low speed for 5 minutes. Then, add the antifreeze, film-forming aid, and defoamer, and stir for 10 minutes. Next, add the bactericide, fungicide, and pH adjuster in sequence, and stir at low speed for 5 minutes. Finally, slowly add the water-diluted associative alkali swelling thickener solution and stir to disperse for 10 minutes.

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