A quick-drying, non-fading polychrome paint and its preparation method

By using compound emulsions, thickeners, and nano-silica particles, the drying speed and film adhesion of the floating color pigments are improved, solving the problems of long drying time and insufficient adhesion in existing technologies, and achieving the effect of quick drying and non-detachment.

CN120505003BActive Publication Date: 2026-01-06GUANGZHOU MAGI-WAP CULTURE ARTICLES CO LTD
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Patent Information

Application Number
CN202510903730.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-07-01
Publication Date
2026-01-06
Estimated Expiration
2045-07-01

AI Technical Summary

Technical Problem

Existing polychrome paints have long drying times and insufficient film adhesion, causing the paint film to easily peel off, which fails to meet the needs of users.

Method used

By combining styrene-acrylic emulsion with acrylic emulsion, polyurethane with hydrophobically modified acrylic thickener, 1,2-propanediol with ethanol, and nano-silica particles, the quick-drying performance and adhesion of pigments are improved through hydrogen bonding, interfacial bonding, and a gradient evaporation system.

Benefits of technology

It achieves rapid pigment drying and improves film adhesion, ensuring that the paint film is not easy to peel off, thus enhancing the user experience and artistic effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention relates to the field of art paints, specifically disclosing a quick-drying, non-flaking floating paint, which comprises a pigment paste and functional water. The pigment paste includes a neutralizer, emulsion, wetting agent, thickener, alcohol solvent, preservative, accelerator, water-based colorant, and deionized water. The functional water includes hydroxycellulose, nano-silica particles, and deionized water. This invention also provides a method for preparing the floating paint. The floating paint of this invention has the advantages of quick drying and non-flaking properties.
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Description

Technical Field

[0001] This invention relates to the field of art paints, and in particular to a quick-drying, non-flaking floating paint and its preparation method. Background Technology

[0002] Floating color painting, originating from the "Ink Pond Method" of the Tang Dynasty in China, is an art form that utilizes the principle of oil-water separation to create images on a water surface. Duan Chengshi of the Tang Dynasty first recorded the technique of "water painting" in his book *Youyang Zazu*. It was later introduced to Turkey via the Silk Road, developed into a national treasure during the Ottoman Empire, and was listed as a UNESCO Intangible Cultural Heritage in 2014. The core principle of floating color painting is that oil-based pigments form textures on a water-based carrier, which are then absorbed and transferred through carriers such as paper, wood, and cloth.

[0003] As more and more people become interested in polychrome painting, the variety of polychrome paints on the market has also increased. However, these polychrome paints are mostly divided into two categories: traditional oil-based paints and emerging water-based paints. Traditional oil-based paints are relatively troublesome to use. They require the use of ox gall and need to be prepared fresh according to different temperatures and environments. Beginners find it difficult to control the proportions, resulting in difficulties in achieving the desired painting effect. Moreover, the paint solution used with oil-based paints also needs to be prepared fresh, requiring the addition of plant gum to water and constant stirring, which is cumbersome. In addition, the drying time of traditional oil-based paint films is relatively long, ranging from tens of hours to several days, which is time-consuming.

[0004] As for the emerging water-based watercolor paints, these paints are popular because they are easy to use, do not require mixing, and reduce the drying time of the paint film. However, their drying time still lasts for several hours. Moreover, the adhesion of this type of paint film is relatively weak, and the paint film formed after adsorption to the carrier is prone to peeling off, requiring additional color fixing treatment. If the color fixing treatment is not done properly, the paint film is still prone to peeling off, resulting in unsatisfactory actual results.

[0005] Regarding the aforementioned technologies, the inventors believe that it is necessary to solve the problems of long drying time and weak film adhesion of existing water-based floating paints while retaining their advantages of being simple and easy to use, and to develop a floating paint that dries quickly and is not easy to peel off. Summary of the Invention

[0006] To address the technical deficiencies of existing technologies, this application provides a quick-drying, non-flaking floating paint and its preparation method.

[0007] In the first aspect, this application provides a quick-drying and non-fading floating paint, employing the following technical solution:

[0008] A quick-drying, non-fading floating paint pigment comprises pigment paste and functional water. The pigment paste, by weight percentage, comprises 0.1-1% neutralizer, 25-30% emulsion, 0.1-1% wetting agent, 1-5% thickener, 0.5-5% alcohol solvent, 0.01-0.1% preservative, 0.5-2% accelerator, 5-15% water-based colorant, and the balance being deionized water. The functional water, by weight percentage, comprises 0.6-1% hydroxycellulose, 0.03-0.05% nano-silica particles, and the balance being deionized water.

[0009] The pigment paste has a pH of 8.0-8.5, the emulsion is a blend of styrene-acrylic emulsion and acrylic emulsion, the thickener is a blend of polyurethane thickener and hydrophobically modified alkali-soluble acrylic thickener, and the alcohol solvent is a blend of 1,2-propanediol and ethanol.

[0010] By adopting the above technical solution, using a compound system of styrene-acrylic emulsion and acrylic emulsion, polyurethane and hydrophobically modified acrylic thickener, propylene glycol and ethanol, and in conjunction with nano-silica particles and accelerators, this floating color paint has both good quick-drying performance and adhesion performance.

[0011] Preferably, the blending ratio of the styrene-acrylic emulsion to the acrylate emulsion is 8:2.

[0012] By adopting the above technical solution, styrene-acrylic emulsion and acrylate emulsion are compounded at a ratio of 8:2, which takes into account both rigid skeleton and flexible segments. Its polar groups form hydrogen bonds with the carrier, which enhances the interfacial bonding and improves the adhesion. At the same time, it reduces the surface tension of the film layer, accelerates the solvent evaporation path, and improves the quick-drying performance.

[0013] Preferably, the ratio of the polyurethane thickener to the hydrophobically modified alkali-soluble acrylic thickener is 9:1.

[0014] By adopting the above technical solution, polyurethane thickener and hydrophobically modified acrylic thickener are compounded at a ratio of 9:1. Polyurethane is the main component to maintain the viscosity and thixotropy of the system, while a small amount of acrylic thickener constructs directional water-guiding channels to accelerate water migration and form a dynamic equilibrium of "shear thinning-static film formation". This shortens the surface drying / actual drying time. At the same time, its carboxyl groups assist in emulsion crosslinking, improve the cohesive strength of the film layer, and make the film layer dense and not easy to fall off.

[0015] Preferably, the ratio of 1,2-propanediol to ethanol is 7:3.

[0016] By adopting the above technical solution, 1,2-propanediol and ethanol are compounded in a 7:3 ratio to form a "fast-slow" gradient evaporation system: ethanol evaporates rapidly, driving water migration and shortening surface drying time; propylene glycol moderately retains the solvent, preventing film cracking and promoting full cross-linking of the emulsion, thus shortening the actual drying time. The two work synergistically to optimize the solvent evaporation path. Ethanol can also lower the glass transition temperature of film formation, promoting film formation.

[0017] Preferably, the neutralizing agent is AMP95.

[0018] By adopting the above technical solution, the amino and carboxyl groups in the molecular structure of AMP95 react to form a stable buffer system, which keeps the pH value of the pigment in the optimal film-forming range of 8.0-8.5 and promotes the fusion of emulsion particles.

[0019] Preferably, the accelerator is zinc diisobutyldithiocarbamate.

[0020] By adopting the above technical solution, zinc diisobutyldithiocarbamate, as an accelerator, can catalyze the cross-linking reaction between the hydroxyl and carboxyl groups of the emulsion, thereby significantly increasing the cross-linking rate, accelerating film formation, and improving quick-drying performance.

[0021] Preferably, the hydroxycellulose is hydroxyethylcellulose.

[0022] By adopting the above technical solution, hydroxyethyl cellulose encapsulates nano-silica particles through hydrogen bonding, preventing them from agglomerating and settling, and ensuring that the functional water is evenly dispersed; at the same time, the viscosity of the system is adjusted to a suitable range to ensure that the functional water can stabilize the pigment paste on its surface.

[0023] Preferably, the particle size of the nano-silica particles is 20-25 nm.

[0024] By adopting the above technical solution, the 20-25nm nano-silica particles have both high specific surface area and good dispersibility: their silanol groups can form a ternary hydrogen bond network with emulsions and carriers, enhancing the interfacial anchoring effect; the nanoscale size avoids agglomeration and sedimentation, ensuring long-term stable dispersion of functional water.

[0025] Secondly, this application provides a method for preparing quick-drying and non-fading floating paint, comprising the following steps: pigment paste:

[0026] S1: Add deionized water, styrene-acrylic emulsion, wetting agent, thickener and water-based colorant into a mixer and stir at 400-500 r / min until the mixture is uniform;

[0027] S2: Add neutralizer, accelerator and preservative, and stir at 850-950 r / min until evenly mixed;

[0028] S3: Maintain a speed of 850-950 r / min, slowly add the alcohol solvent, and continue stirring until the mixture is uniform;

[0029] S4: Emulsify at 1200-1500 r / min for 10-20 min;

[0030] S5: Transfer the emulsified material to a sand mill and perform sand milling operation. Sand mill 3 times to obtain pigment paste;

[0031] Functional water:

[0032] Deionized water, hydroxycellulose, and nano-silica particles are placed in a mixer and stirred at 200-300 rpm until homogeneous to obtain functional water.

[0033] By adopting the above technical solution, the preparation method is simple, efficient, and suitable for actual production.

[0034] Preferably, during the sand milling process, the fineness is controlled at 15-30μm, the specific gravity reaches 1.02, and the thickness is controlled at 23″-25″.

[0035] The thickness test method involves pouring the pigment paste into a funnel-shaped cup and recording the total flow time.

[0036] By adopting the above technical solution, the properties of pigment paste are further defined, the diffusion performance of pigment paste particles is improved, and it is ensured that they can quickly diffuse on the surface of functional water and float on the surface of functional water.

[0037] In summary, this application has the following beneficial effects:

[0038] 1. The pigments in this invention enhance adhesion through multi-dimensional synergistic effects: 913 styrene-acrylic emulsion and acrylic emulsion (8:2) are compounded; the former provides a rigid framework, while the latter forms hydrogen bonds with the carrier through polar groups, and flexible segments penetrate micropores to achieve physical integration; nano-silica in functional water uses hydroxyethyl cellulose as a medium, and its silanol groups form a ternary hydrogen bond network with the emulsion and carrier, filling nanopores and enhancing interfacial bonding energy; LCN407 wetting agent refines pigment particles and forms an interpenetrating structure of "pigment-thickener-emulsion" with the compounded thickener, enhancing cohesive strength. Through physical integration, interfacial enhancement, and cohesive synergy, these three components construct a three-dimensional adhesion system, making the pigment film less prone to detachment.

[0039] 2. The floating paint of this invention achieves rapid drying through the synergistic effect of gradient evaporation, rheological regulation, and accelerated film formation: 1,2-propanediol and ethanol are compounded to form a gradient evaporation system. Ethanol preferentially evaporates, generating a "siphon effect" to accelerate water migration, while propylene glycol maintains dispersion stability. Vesmody U300 polyurethane thickener and hydrophobically modified acrylic thickener construct a thixotropic network, which thins upon stirring to facilitate pigment diffusion and rapidly forms a film and water-conducting channels after standing. The accelerator zinc diisobutyldithiocarbamate catalyzes emulsion crosslinking and regulates surface tension, while ethanol lowers the glass transition temperature of styrene-acrylic emulsion, causing it to soften and form a film at room temperature. Attached Figure Description

[0040] Figure 1 This is a schematic diagram illustrating the actual effect of a painted fan. Detailed Implementation

[0041] The present application will be further described in detail below with reference to the embodiments.

[0042] The raw materials used in the embodiments and comparative examples of this invention are all commercially available products.

[0043] This invention provides a quick-drying, non-fading floating paint pigment, comprising pigment paste and functional water. The pigment paste includes a neutralizer, emulsion, wetting agent, thickener, alcohol solvent, preservative, accelerator, water-based colorant, and deionized water. The functional water includes deionized water, hydroxycellulose, and nano-silica particles.

[0044] The neutralizing agent is AMP95, used to adjust the pH of the polychrome paint to 8.0-8.5; the emulsion is a blend of 913 styrene-acrylic emulsion and acrylic emulsion in a ratio of 8:2, and the acrylic emulsion is selected from Dow Chemical. AC-261P pure acrylic emulsion; the wetting agent is LCN407 wetting agent; the thickener is a mixture of Vesmody U300 polyurethane thickener and hydrophobically modified alkali-soluble acrylic thickener in a ratio of 9:1, and the hydrophobically modified alkali-soluble acrylic thickener is Yale Shun TT-9034; the alcohol solvent is a mixture of 1,2-propanediol and ethanol in a ratio of 7:3; the preservative is Sol ActiveIDEL preservative; the accelerator is zinc diisobutyldithiocarbamate; the water-based colorant is Clariant ColanylGreen GG131-CN; the hydroxycellulose is hydroxyethyl cellulose; and the particle size of the nano-silica particles is 20-25 nm.

[0045] Example 1

[0046] This embodiment provides a quick-drying, non-fading floating paint, comprising pigment paste and functional water. The pigment paste includes a neutralizer, emulsion, wetting agent, thickener, alcohol solvent, preservative, water-based colorant, and deionized water. The functional water includes deionized water, hydroxyl cellulose, and nano-silica particles.

[0047] The neutralizing agent is AMP95, used to adjust the pH of the polychrome paint to 8.0-8.5; the emulsion is a blend of 913 styrene-acrylic emulsion and acrylic emulsion in a ratio of 8:2, and the acrylic emulsion is selected from Dow Chemical. AC-261P pure acrylic emulsion; the wetting agent is LCN407 wetting agent; the thickener is a mixture of Vesmody U300 polyurethane thickener and hydrophobically modified alkali-soluble acrylic thickener in a ratio of 9:1, and the hydrophobically modified alkali-soluble acrylic thickener is Yale Shun TT-9034; the alcohol solvent is a mixture of 1,2-propanediol and ethanol in a ratio of 7:3; the preservative is Sol ActiveIDEL preservative; the accelerator is zinc diisobutyldithiocarbamate; the water-based colorant is Clariant ColanylGreen GG131-CN; the hydroxycellulose is hydroxyethyl cellulose; and the particle size of the nano-silica particles is 20-25 nm.

[0048] The specific usage of each raw material is detailed in Table 1, and the usage is calculated as a percentage by mass.

[0049] This embodiment also provides a method for preparing quick-drying and non-fading floating paint:

[0050] Pigment paste:

[0051] S1: Add deionized water, styrene-acrylic emulsion, wetting agent, thickener and water-based colorant into a mixer and stir at 400 r / min until the mixture is uniform;

[0052] S2: Add neutralizer, accelerator and preservative to the uniformly mixed material obtained in step S1 in sequence, and then increase the stirring speed to 850 r / min and continue stirring until the mixture is uniform.

[0053] S3: Maintain the stirring speed at 850 r / min, slowly add the alcohol solvent, and continue stirring until the mixture is homogeneous;

[0054] S4: Increase the stirring speed to 1200r / min and perform emulsification for 10 minutes.

[0055] S5: Transfer the emulsified material to a sand mill for sand milling, repeating the process three times to obtain pigment paste. During the sand milling process, strictly control the fineness to 15-30μm, while ensuring the specific gravity reaches 1.02 and the thickness (viscosity measured by flow rate) is controlled at 23″.

[0056] Functional water:

[0057] Place deionized water, hydroxycellulose and nano silica particles into a mixer and stir at 200 rpm until homogeneous.

[0058] The thickness test method involves pouring the pigment paste into a funnel-shaped cup and recording the total flow time.

[0059] Example 2

[0060] This embodiment provides a quick-drying, non-fading floating paint, which differs from Embodiment 1 in the amount of each raw material used. The specific amounts of each raw material are detailed in Table 1, and the amounts are expressed as a percentage by mass. Furthermore, the water-based colorant used in this embodiment is Clariant Colanyl Red GG500.

[0061] This embodiment also provides a method for preparing quick-drying and non-fading floating paint:

[0062] Pigment paste:

[0063] S1: Add deionized water, styrene-acrylic emulsion, wetting agent, thickener and water-based colorant into a mixer and stir at 500 r / min until evenly mixed;

[0064] S2: Add neutralizer, accelerator and preservative to the uniformly mixed material obtained in step S1 in sequence, and then increase the stirring speed to 950 r / min and continue stirring until the mixture is uniform.

[0065] S3: Maintain the stirring speed at 950 r / min, slowly add the alcohol solvent, and continue stirring until the mixture is homogeneous;

[0066] S4: Increase the stirring speed to 1500r / min and perform emulsification for 20min.

[0067] S5: Transfer the emulsified material to a sand mill for sand milling, repeating the process three times to obtain the pigment paste. During the sand milling process, control the fineness at 30μm, while ensuring the specific gravity reaches 1.02 and the thickness is controlled at 25".

[0068] The thickness test method involves pouring the pigment paste into a funnel-shaped cup and recording the total flow time.

[0069] Functional water:

[0070] Place deionized water, hydroxycellulose, and nano silica particles into a mixer and stir at 300 rpm until homogeneous.

[0071] Example 3

[0072] This embodiment provides a quick-drying, non-fading floating paint, which differs from Embodiment 1 in the detailed dosage of each raw material. The specific dosage of each raw material is detailed in Table 1, and the dosage is expressed as a percentage by mass. Furthermore, the water-based colorant used in this embodiment is Clariant Colanyl Yellow FGL132-CN.

[0073] This embodiment also provides a method for preparing quick-drying and non-fading floating paint:

[0074] Pigment paste:

[0075] S1: Add deionized water, styrene-acrylic emulsion, wetting agent, thickener and water-based colorant into a mixer and stir at 450 r / min until the mixture is uniform;

[0076] S2: Add neutralizer, accelerator and preservative to the uniformly mixed material obtained in step S1 in sequence, then increase the stirring speed to 900 r / min and continue stirring until the mixture is uniform.

[0077] S3: Maintain the stirring speed at 900 r / min, slowly add the alcohol solvent, and continue stirring until the mixture is uniform;

[0078] S4: Increase the stirring speed to 1400 r / min and perform emulsification for 15 min.

[0079] S5: Transfer the emulsified material to a sand mill for sand milling, repeating the process three times to obtain the pigment paste. During the sand milling process, control the fineness at 25μm, while ensuring the specific gravity reaches 1.02 and the thickness is controlled at 24".

[0080] Functional water:

[0081] Place deionized water, hydroxycellulose and nano silica particles into a mixer and stir at 250 rpm until homogeneous.

[0082] The thickness test method involves pouring the pigment paste into a funnel-shaped cup and recording the total flow time.

[0083] Table 1. Formulations of the pigments for Floating Color Painting in Examples 1-3

[0084]

[0085]

[0086] To further verify the efficacy of the present invention, comparative examples 1-4 were set up based on example 3.

[0087] Comparative Example 1

[0088] A type of floating color paint, which differs from Example 3 in that the pigment paste used in this comparative example uses a single 913 styrene-acrylic emulsion.

[0089] Comparative Example 2

[0090] A type of floating color paint, which differs from Example 3 in that the pigment paste in this comparative example uses a single Vesmody U300 polyurethane thickener as the thickener.

[0091] Comparative Example 3

[0092] A type of floating color pigment, which differs from Example 3 in that the pigment paste in this comparative example uses a single alcohol solvent, 1,2-propanediol.

[0093] Comparative Example 4

[0094] A type of floating color paint, which differs from Example 3 in that the pigment paste of this comparative example does not contain an accelerator.

[0095] Comparative Example 5

[0096] A type of floating color painting pigment, which differs from Example 3 in that the functional water in this comparative example does not contain nano-silica particles.

[0097] The preparation method of the above-mentioned comparative floating color painting pigment is the same as the preparation method of the floating color painting pigment provided in Example 3.

[0098] To better verify the performance of the floating color paint of the present invention, a commercially available floating color paint was selected as comparative example 6.

[0099] Comparative Example 6

[0100] A type of floating color painting pigment, comprising pigment paste and functional water, wherein the pigment paste, by weight percentage, comprises 15% water-based colorant, 25% latex, 2% dispersant, 2% acrylic acid, 0.5% bactericide, 2% defoamer, and 53.5% deionized water, and the functional water, by weight percentage, comprises 0.95% hydroxyethyl cellulose, 0.05% polyvinyl alcohol, and 99% deionized water.

[0101] Performance testing

[0102] 1. The painting method for floating color painting is as follows:

[0103] (1) Add sufficient paint solution to an open container; the size of the container should be determined according to the size requirements of the painting to ensure that it can hold sufficient paint solution and provide enough space for the painting process. The container material should not react chemically with the paint solution.

[0104] (2) Use a dropper to draw an appropriate amount of pigment paste, hold the dropper perpendicular to the surface of the paint, and slowly drip the pigment paste onto the surface of the paint. Use a paint needle or paint comb to gently stir the pigment paste on the surface of the paint to form a film floating on the surface of the paint.

[0105] (3) After the painting film is made, slowly insert the wooden carrier into the painting liquid at an inclined angle so that the painting film can be evenly adsorbed on the surface of the wooden carrier. After the painting film is fully adsorbed on the wooden carrier, carefully remove the wooden carrier from the painting liquid and place it in a well-ventilated and dry environment to air dry naturally.

[0106] In addition to using wood as a carrier material, other materials with water-absorbing properties, such as paper, cloth, silk scarves, plaster, and stone, can also be used.

[0107] The painting process using the polychrome paints of Examples 1-3 and Comparative Examples 1-6 employed open containers of uniform size, using equal amounts of paint liquid, and ensuring that the amount of paint added during the painting process was as equal as possible. The painting time was controlled to 5 minutes to simulate the actual painting process, and wooden carriers of similar size and material were used. Each type of polychrome paint was applied three times, with timing starting from the transfer of the paint film to the wooden carrier surface. The surface drying time and complete drying time of the corresponding polychrome paint were recorded, and the average of the three results was taken as the final result, as detailed in Table 2.

[0108] The surface drying time was measured using the cotton swab method. Specifically, after the paint film was transferred onto the carrier, the film surface was touched lightly with a cotton swab every 1 minute. When no paint adhered to the cotton swab and there were no obvious indentations or displacements on the film surface, the paint film surface was considered to be dry, and the time taken at this moment was recorded.

[0109] The method for detecting the actual drying time is the fingernail scratch method. Specifically, after the painting is transferred to the carrier, every 15 minutes, use the tip of your fingernail or a pencil with a hardness of 2H to lightly scratch the non-critical area of ​​the edge of the painting at an angle of about 45° with moderate force. When there are no scratches on the painting surface, only slight contact marks or no marks are left, the painting is completely cured and dried, and the time taken at this moment is recorded.

[0110] In addition, after all the paint films were completely dry, the adhesion of the paint film was tested according to GB / T9286 standard, and the average of the three results was taken as the final result, as detailed in Table 2.

[0111] Observe the coating peeling in the grid area with a magnifying glass and evaluate the adhesion test results according to the standard grading table (0-5 levels):

[0112] Grade 0: Edges are completely smooth with no peeling;

[0113] Level 1: Desquamation area ≤ 5%;

[0114] Level 2: 5% < detached area ≤ 15%;

[0115] Level 3: 15% < detached area ≤ 35%;

[0116] Level 4: 35% < detached area ≤ 65%;

[0117] Level 5: Detachment area > 65%.

[0118] Table 2 Performance Test Results

[0119]

[0120] As shown in Table 2, the surface drying time, actual drying time and adhesion performance of the floating color painting pigments used in Examples 1-3 are significantly better than those of the commercially available floating color painting pigments used in Comparative Example 6, indicating that the floating color painting pigments of the present invention do indeed have good quick-drying and adhesion performance.

[0121] The surface drying time, actual drying time, and adhesion performance of the paint films made with the floating color pigments in Comparative Examples 1-5 were all inferior to those of the paint film made with the floating color pigments in Example 3, and the difference was significant. This indicates that the components of the present invention have a good synergistic effect and can effectively improve the quick-drying and adhesion performance of the floating color pigments.

[0122] This invention's floating-color painting pigment effectively improves the adhesion of the pigment film after formation through a multi-dimensional synergistic effect of emulsion interface chemistry, physical integration with the carrier, and enhanced pigment film cohesion. Specifically, 913 styrene-acrylic emulsion (hard monomer) and acrylate emulsion (soft monomer) are compounded in an 8:2 ratio. The former provides a rigid framework, while the latter forms hydrogen bonds with the carrier through polar groups and penetrates the carrier's micropores. The latter also penetrates the carrier's micropores with flexible segments, resulting in physical integration with the carrier and thus improving the adhesion of the floating-color painting pigment film. The nano-silica added to the functional water uses hydroxyethyl cellulose as a dispersion medium. Its silanol groups form a ternary hydrogen bond network with the hydroxyl groups on the surface of the emulsion and the carrier, filling nanoscale voids and increasing interfacial bonding energy, thereby improving the adhesion between the pigment film and the carrier. LCN407 wetting agent refines the pigment particles, and the uniformly distributed pigment acts as a physical cross-linking point, synergistically forming a "pigment-thickener-emulsion" interpenetrating structure with the compounded thickener network, further enhancing the cohesive strength of the pigment film. The three components work together to form a three-dimensional adhesion system through physical integration with the carrier, improved interfacial bonding, and enhanced pigment film cohesion. This effectively improves the adhesion of the pigment film after it is formed, making the pigment film less prone to falling off.

[0123] Furthermore, the floating paint of this invention achieves a quick-drying effect through gradient evaporation, rheological regulation, and accelerated film formation. Specifically, 1,2-propanediol and ethanol are combined to form a gradient evaporation system. Ethanol preferentially evaporates, generating a "siphon effect" that drives water migration, while propylene glycol stabilizes the dispersion. Vesmody U300 polyurethane thickener and hydrophobically modified alkali-soluble acrylic thickener construct a thixotropic network. The viscosity decreases during stirring, facilitating diffusion, and quickly recovers after stirring, forming water-conducting channels. The accelerator zinc diisobutyldithiocarbamate catalyzes emulsion crosslinking and regulates surface tension to accelerate film formation. Ethanol lowers the glass transition temperature of the styrene-acrylic emulsion, causing it to soften and form a film at room temperature, further accelerating film formation.

[0124] To further verify the painting effect of the floating color paint of the present invention in actual use, an application example is set up.

[0125] In this application example, based on the floating color painting pigments of Example 3, various floating color painting pigments of different colors are prepared by replacing the original water-based pigments with water-based pigments of different colors. The water-based pigments of different colors are the Colany series water-based pigments from Clariant.

[0126] Following the painting method described above, using a wooden fan as a medium, different colors of polychrome paint from this application example are used to create a polychrome painting, resulting in a polychrome painted fan. The actual effect of the polychrome painted fan is shown in the attached figure. Figure 1 As shown.

[0127] From the appendix Figure 1 As can be seen, the polychrome painting pigments of this invention produce works with rich colors and natural transitions on wooden fans. The patterns are delicate and smooth, and the water-marbling effect is rich in layers, possessing both the hazy, ink-wash-like quality and clear, defined contours. After film formation, the image is smooth and glossy, without cracking, fading, or peeling. The patterns retain their exquisite details even after drying. The overall artistic effect combines traditional aesthetic appeal with the durability of modern craftsmanship, demonstrating excellent color expression and pattern stability on the wooden substrate.

[0128] This specific embodiment is merely an explanation of this application and is not intended to limit it. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but such modifications are protected by patent law as long as they fall within the scope of the claims of this application.

Claims

1. A quick-drying non-falling-off color wash paint, characterized by, Comprise: Pigment paste and functional water; the pigment paste comprises 0.1-1% of neutralizing agent, 25-30% of emulsion, 0.1-1% of wetting agent, 1-5% of thickening agent, 0.5-5% of alcohol solvent, 0.01-0.1% of preservative, 0.5-2% of accelerator, 5-15% of water-based colorant and deionized water in mass percentage; the functional water comprises 0.6-1% of hydroxyl cellulose, 0.03-0.05% of nano-silicon dioxide particles and deionized water in mass percentage; Wherein, the pH of the pigment paste is 8.0-8.5, the emulsion is a compound of styrene-acrylic emulsion and acrylate emulsion, the thickening agent is a compound of polyurethane thickening agent and hydrophobically modified alkali-soluble acrylic thickening agent, and the alcohol solvent is a compound of 1,2-propanediol and ethanol.

2. The quick-drying non-falling-off color picture pigment according to claim 1, characterized in that: The compound ratio of the styrene-acrylic emulsion and the acrylate emulsion is 8:

2.

3. The quick-drying non-falling-off color picture pigment according to claim 1, characterized in that: The compound ratio of the polyurethane thickening agent and the hydrophobically modified alkali-soluble acrylic thickening agent is 9:

1.

4. The quick-drying non-falling-off color picture pigment according to claim 1, characterized in that: The compound ratio of the 1,2-propanediol and the ethanol is 7:

3.

5. The quick-drying non-falling-off color picture pigment according to claim 1, characterized in that: The neutralizing agent is AMP95.

6. The quick-drying non-falling-off color picture pigment according to claim 1, characterized in that: The accelerator is zinc diisobutyl dithiocarbamate.

7. The quick-drying non-falling-off color drawing pigment according to claim 1, characterized in that: The hydroxyl cellulose is hydroxyethyl cellulose.

8. The quick-drying non-falling-off color picture pigment according to claim 1, characterized in that: The particle size of the nano-silicon dioxide particles is 20-25nm.

Citation Information

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