CN114133800B - Stain-resistant colorful artistic coating with mosaic-like effect and preparation method and application thereof - Google Patents

Abstract

The invention discloses a preparation method of stain-resistant colorful artistic paint with a mosaic-like effect, which comprises the following steps: preparing a protective glue solution; adding 0.3-0.6 part of defoaming agent, 0.2-0.4 part of dispersing agent, 1.3-1.6 parts of film-forming auxiliary agent, 0.2-1 part of hydroxyethyl cellulose, 0.2-1 part of hydrophobically modified associated cellulose, 1-2 parts of antifreezing agent and 0.02-0.5 part of pH regulator into 40-50 parts of deionized water in sequence at the rotating speed of 250-350r/min in parts by mass; adjusting the rotating speed to 650-750r/min, dispersing for 5 minutes, and sequentially adding 2-5 parts of titanium dioxide and 6-10 parts of calcined kaolin; adjusting the rotating speed to 950-1050r/min for dispersing for 10-15 minutes, adjusting the rotating speed to 650-750r/min, adding acrylic emulsion for mixing for 2-5 minutes, adding 3-8 parts of protective glue solution and 0.2-0.4 part of second bactericide for mixing for 8-10 minutes for color mixing to obtain base paint; adding 5-7 parts by mass of base paint into 2-3 parts by mass of protective glue solution for precutting, cutting and granulating by using a dispersion disc, adding 2-3 parts by mass of continuous phase, and uniformly stirring; the mosaic has the advantages of good stain resistance, uniform colorful particles, clear color and more vivid mosaic effect.

Description

A kind of imitation mosaic effect antifouling colorful art coating and its preparation method and application

technical field

The invention relates to the field of paints, in particular to a stain-resistant and colorful art paint with imitation mosaic effect and its preparation method and application.

Background technique

Colorful coatings have developed rapidly in the field of exterior walls in recent years. Its rich expressive effects and wall decoration capabilities are widely favored by the real estate industry. Its essence is a mixture of liquid water-based resins and pigments and fillers. Luxurious, beautiful and colorful patterns can be obtained.

However, as environmental protection is paid more and more attention to, the existing colorful coatings can no longer meet the requirements of the existing environmental protection, and the existing colorful coatings have poor stain resistance, so there is an urgent need for a colorful mosaic-like effect that meets the existing environmental protection requirements. coating.

Contents of the invention

In view of the above problems, the present invention provides a method for preparing a mosaic-like stain-resistant colorful art paint. The preparation method is simple, and the obtained colorful particles are uniform in size and clear in color, and the prepared mosaic-like stain-resistant colorful art paint has Stain resistance, mildew resistance and flatness are more advantageous, and it also has the characteristics of low carbon environmental protection, green safety, novel effect and durability.

In order to achieve the above object, the technical scheme of the present invention is as follows:

A method for preparing a mosaic-like stain-resistant and colorful art paint, comprising the following steps:

Preparation of protective glue solution

In terms of parts by mass, add 6-8 parts of protective rubber powder into deionized water, disperse at 1450-1550r/min for 60-90min, add 0.2-0.3 parts of the first fungicide, stir for 3-5 minutes, and let it stand overnight. spare;

Prepare base paint

In terms of parts by mass, add 0.3-0.6 parts of defoamer, 0.2-0.4 parts of dispersant, 1.3-1.6 parts of film-forming aid, 0.2 -1 part of hydroxyethyl cellulose, 0.2-1 part of hydrophobically modified associative cellulose, 1-2 parts of antifreeze and 0.02-0.5 part of pH regulator;

Adjust the rotating speed to 650-750r/min and disperse for 5 minutes. In terms of parts by mass, add 2-5 parts of titanium dioxide and 6-10 parts of calcined kaolin in sequence;

Adjust the rotation speed to 950-1050r/min to disperse for 10-15 minutes, adjust the rotation speed to 650-750r/min, add acrylic emulsion and mix for 2-5 minutes, add 3-8 parts of protective glue aqueous solution and 0.2-0.4 parts of the second fungicide Mix for 8-10 minutes and set aside for later use;

Preparation of continuous phase

In terms of parts by mass, add 0.2-0.5 parts of defoamer, 3-5 parts of film-forming aid, 2-3 parts of antifreeze and 0.2 -0.5 parts of pH regulator;

Adjust the rotation speed to 650-750r/min and disperse for 5 minutes. Add 60-70 parts of silicon acrylic emulsion in parts by mass, mix for 2-6 minutes, then add 0.3-1 part of alkali swelling thickener, 0.2-0.4 parts The third fungicide and 0.2-0.4 parts of fungicide continue to mix for 5-8 minutes, stop stirring, and set aside;

Add 5-7 parts by mass of base paint to 2-3 parts of protective glue aqueous solution for pre-cutting, use a dispersing disc to cut and granulate, add 2-3 parts of continuous phase and stir evenly to obtain a stain-resistant and colorful art paint with imitation mosaic effect.

Beneficial effects: 1. Through the combined use of hydroxyethyl cellulose, hydrophobically modified hydroxyethyl cellulose and acrylic emulsion, the base paint is endowed with specific non-Newtonian fluid characteristics, and with the preparation method of the base paint disclosed in the present invention, The finally obtained colorful particles are uniform in size and distinct in color, combined with the incompatibility of the color points of the colorful system, to imitate a mosaic-like effect.

2. The present invention achieves a mosaic-like paint film effect through the incompatibility of the color points of the multi-color system combined with the toning effect, and can be applied to the plane of various substrates to impart decorative and protective effects.

3. The present invention uses silicone acrylic emulsion, which has good lotus leaf effect and stain resistance, and has good compatibility with protective glue aqueous solution, good weather resistance, low odor, and is not easy to thicken after occurrence.

4. The present invention optimizes the environmental protection performance and other performance effects of the paint through the overall debugging of the formula. The paint film obtained after coating has the characteristics of stain resistance, water whitening resistance, scratch resistance and high flatness. The imitation mosaic effect is stain-resistant and colorful The construction of art paint is simple, suitable for small-area decoration in the family room, and has a good application prospect in the field of decoration.

It is further defined that the protective rubber powder is S482 protective rubber powder of BYK Chemicals.

Further defined, the first fungicide, the second fungicide and the third fungicide are respectively 1.5M, KTL and WME of Wenke Chemical Co., Ltd.

Further defined, the acrylic emulsion is 6188 of Foshan Roosevelt Technology Co., Ltd.

Further defined, the dispersant is ECODIS P30 of COATEX Company.

Further defined, the hydroxyethyl cellulose is Ashland's cellulose HBR250.

It is further defined that the hydrophobically modified associative cellulose is cellulose HE10K from Ashland Company; the titanium dioxide is R996 from LOMON Company, and the calcined kaolin is Baixue brand CMP80 calcined kaolin.

It is further defined that the defoamer is NXZ of NOPCO company, the film-forming aid is Texanol of EASTMAN company, the pH regulator is AMP-95 of DOW company, and the alkali-swellable thickener is TT-935 of DOW company; The silicone-acrylic emulsion is 7199 from Foshan Roosevelt Technology Co., Ltd., and the antifreeze is ethylene glycol from China Shipping Shell.

Detailed ways

The specific types of raw materials used in the following examples are as follows:

The protective rubber powder is S482 protective rubber powder of BYK Chemical Company.

The first bactericide, the second bactericide, and the third bactericide are 1.5M, KTL, and WME from Wink Chemical Co., Ltd., respectively.

The acrylic emulsion is 6188 from Foshan Roosevelt Technology Co., Ltd.

The dispersant is ECODIS P30 from COATEX Company.

Hydroxyethyl cellulose is Ashland's cellulose HBR250.

Hydrophobically modified associative cellulose is Ashland's cellulose HE10K;

Titanium dioxide is R996 of LOMON company;

The calcined kaolin is Baixue brand CMP80 calcined kaolin.

Defoamer is NXZ of NOPCO company;

Coalescing agent is Texanol of EASTMAN company

The pH regulator is AMP-95 from DOW

The alkali-swellable thickener is TT-935 of DOW;

Silicone acrylic emulsion is 7199 of Foshan Roosevelt Technology Co., Ltd.;

The antifreeze is ethylene glycol from CSPC.

In the following examples and comparative examples: the effect of different cellulose and emulsion combinations is mainly reflected by the score of mosaic effect fidelity, and the impact of silicone acrylic emulsion on coatings is distinguished by scrub resistance and stain resistance.

The standard used in Table 3 is GB18582, and the performance is tested to support the environmental protection performance.

Example 1

The stain-resistant colorful art paint of imitating mosaic effect is prepared, comprising the following steps:

S1. Preparation of protective glue solution

In terms of parts by mass, add 6 parts of protective rubber powder into deionized water, disperse at 1450r/min for 60 minutes, add 0.2 parts of the first fungicide, stir for 3 minutes, stand overnight, and set aside;

S2. Preparation of base paint

S2-1. In terms of parts by mass, add 0.3 parts of defoamer, 0.2 parts of dispersant, 1.3 parts of film-forming aid, and 0.2 parts of hydroxyethyl cellulose to 40 parts of deionized water at a speed of 250 r/min. , 0.2 parts of hydrophobically modified associative cellulose, 1 part of antifreeze and 0.02 parts of pH regulator;

S2-2. Adjust the rotational speed to 650r/min and disperse for 5 minutes, and add 2 parts of titanium dioxide and 6 parts of calcined kaolin successively in parts by mass;

S2-3. Adjust the speed to 950r/min to disperse for 10 minutes, adjust the speed to 650r/min, add acrylic emulsion and mix for 2 minutes, add 3 parts of protective glue aqueous solution, 0.3 parts of alkali swelling thickener and 0.2 parts of the second fungicide Mix for 8 minutes;

S2-4. Adjust the base paint to white, gray green, and light gray according to the classic mosaic painting according to the mass ratio of the three colors of base paint 4:3:3, and set aside;

S3. Preparation of continuous phase

S3-1. Add 0.2 parts of defoamer, 3 parts of film-forming aid, 2 parts of antifreeze and 0.2 part of pH regulator to 20 parts of deionized water in turn at a speed of 250 r/min in parts by mass;

S3-2. Adjust the rotation speed to 650r/min and disperse for 5 minutes. Add 60 parts of silicon acrylic emulsion in parts by mass, mix for 2 minutes and then add 0.3 parts of alkali swelling thickener, 0.2 parts of the third fungicide and 0.2 parts Parts of antifungal agent continued to mix for 5 minutes, stopped stirring, and set aside;

S4. Add 5 parts by mass of base paint to 2 parts of protective glue solution for pre-cutting, use a dispersing disc to cut and granulate, add 2 parts of continuous phase and stir evenly to obtain a stain-resistant colorful art paint with imitation mosaic effect.

Example 2

The preparation of imitation mosaic effect stain-resistant colorful art paint comprises the following steps:

S1. Preparation of protective glue solution

In terms of parts by mass, add 7 parts of protective rubber powder into deionized water, disperse at 1500r/min for 70 minutes, add 0.3 parts of the first fungicide, stir for 5 minutes, leave it overnight, and set aside;

S2. Preparation of base paint

S2-1. In terms of parts by mass, add 0.4 parts of defoamer, 0.3 parts of dispersant, 1.6 parts of film-forming aid, and 0.8 parts of hydroxyethyl cellulose to 45 parts of deionized water at a speed of 300 r/min. , 0.7 parts of hydrophobically modified associative cellulose, 1.5 parts of antifreeze and 0.32 parts of pH regulator;

S2-2. Adjust the rotating speed to 700r/min and disperse for 5 minutes, and add 4 parts of titanium dioxide and 8 parts of calcined kaolin successively in terms of parts by mass;

S2-3. Adjust the rotation speed to 1000r/min and disperse for 13 minutes, adjust the rotation speed to 700r/min, add acrylic emulsion and mix for 4 minutes, add 5 parts of protective glue aqueous solution and 0.3 parts of the second fungicide and mix for 10 minutes;

S2-4. Adjust the base paint to white, gray green, and light gray according to the classic mosaic painting according to the mass ratio of the three colors of base paint 4:3:3, and set aside;

S3. Preparation of continuous phase

S3-1. Add 0.4 parts of defoamer, 4 parts of film-forming aid, 3 parts of antifreeze and 0.4 part of pH regulator to 25 parts of deionized water in turn at a speed of 300 r/min in parts by mass;

S3-2. Adjust the rotation speed to 700r/min and disperse for 5 minutes. Add 65 parts of silicon acrylic emulsion in parts by mass, mix for 5 minutes and then add 0.5 part of alkali swelling thickener, 0.3 part of the third fungicide and 0.3 Parts of antifungal agent continue to mix for 8 minutes, stop stirring, and set aside;

S4. Add 6 parts by mass of the base paint to 3 parts of the protective glue solution for pre-cutting, use a dispersing disc to cut and granulate, add 3 parts of the continuous phase and stir evenly to obtain a stain-resistant colorful art paint with imitation mosaic effect.

Example 3

The preparation of imitation mosaic effect stain-resistant colorful art paint comprises the following steps:

S1. Preparation of protective glue solution

In terms of parts by mass, add 8 parts of protective rubber powder into deionized water, disperse at 1550r/min for 90 minutes, add 0.3 parts of the first bactericide, stir for 5 minutes, leave it overnight, and set aside;

S2. Preparation of base paint

S2-1. In terms of parts by mass, add 0.6 parts of defoamer, 0.4 parts of dispersant, 1.6 parts of film-forming aid, and 1 part of hydroxyethyl cellulose to 50 parts of deionized water at a speed of 350 r/min. , 1 part of hydrophobically modified associative cellulose, 2 parts of antifreeze and 0.5 part of pH regulator;

S2-2. Adjust the rotating speed to 750r/min and disperse for 5 minutes, and add 5 parts of titanium dioxide and 10 parts of calcined kaolin in order in parts by mass;

S2-3. Adjust the rotation speed to 1050r/min to disperse for 15 minutes, adjust the rotation speed to 750r/min, add acrylic emulsion and mix for 5 minutes, add 8 parts of protective glue aqueous solution and 0.4 parts of the second fungicide and mix for 10 minutes;

S2-4. Adjust the base paint to white, gray green, and light gray according to the classic mosaic painting according to the mass ratio of the three colors of base paint 4:3:3, and set aside;

S3. Preparation of continuous phase

S3-1. In terms of parts by mass, add 0.5 parts of defoamer, 5 parts of film-forming aid, 3 parts of antifreeze and 0.5 part of pH regulator to 30 parts of deionized water in sequence at a rotational speed of 350 r/min;

S3-2. Adjust the rotation speed to 750r/min and disperse for 5 minutes. Add 70 parts of silicon acrylic emulsion in parts by mass, mix for 6 minutes and then add 1 part of alkali swelling thickener, 0.4 parts of the third fungicide and 0.4 Parts of antifungal agent continue to mix for 8 minutes, stop stirring, and set aside;

S4. Add 5-7 parts by mass of base paint to 2-3 parts of protective glue solution for pre-cutting, use a dispersing disc to cut and granulate, add 2-3 parts of continuous phase and stir evenly, and you can get imitation mosaic effect, stain-resistant and colorful art coating.

The specific types of raw materials used in the following comparative examples are as follows:

The protective rubber powder is GXS protective rubber powder of Vani Miami Company;

The cellulose is EHM500 from Akzo Nobel Company;

The fungicides are 1.5M and KTL from Wenke Chemical Co., Ltd.;

The antifungal agent is WME from Wenke Chemical Co., Ltd.;

The acrylic emulsion is AP-4930 acrylic emulsion of Showa Company;

The dispersant is ECODIS P30 from COATEX;

Titanium dioxide is R996 of LOMON company;

Kaolin is white snow brand CMP80 calcined kaolin;

The defoamers are all NXZ from NOPCO;

The film-forming aids are all Texanol from EASTMAN;

PH regulators are AMP-95 from DOW;

Alkali-swellable thickeners are TT-615 from DOW;

Silicone acrylic emulsion is 3799A of Bardford Company;

The antifreeze is ethylene glycol from CSPC.

Comparative example 1

The preparation of imitation mosaic effect colorful art paint comprises the following steps:

S1. Preparation of protective glue solution

In terms of parts by mass, add 7 parts of protective rubber powder into deionized water, disperse at 1500r/min for 70 minutes, add 0.3 parts of the first fungicide, stir for 5 minutes, leave it overnight, and set aside;

S2. Preparation of base paint

S2-1. In terms of parts by mass, add 0.4 parts of defoamer, 0.3 parts of dispersant, 1.6 parts of film-forming aid, 1.5 parts of cellulose and 0.32 parts of pH regulator;

S2-2. Adjust the rotating speed to 700r/min and disperse for 5 minutes, and add 4 parts of titanium dioxide and 8 parts of calcined kaolin successively in terms of parts by mass;

S2-3. Adjust the rotation speed to 1000r/min and disperse for 13 minutes, adjust the rotation speed to 700r/min, add acrylic emulsion and mix for 4 minutes, add 5 parts of protective glue aqueous solution, 0.3 parts of the second bactericide and mix for 10 minutes;

S2-4. Adjust the base paint to white, gray green, and light gray according to the classic mosaic painting according to the mass ratio of the three colors of base paint 4:3:3, and set aside;

S3. Preparation of continuous phase

S3-1. Add 0.4 parts of defoamer, 4 parts of film-forming aid, 3 parts of antifreeze and 0.4 part of pH regulator to 25 parts of deionized water in turn at a speed of 300 r/min in parts by mass;

S3-2. Adjust the rotation speed to 700r/min and disperse for 5 minutes. Add 65 parts of silicon acrylic emulsion in parts by mass, mix for 5 minutes and then add 0.5 part of alkali swelling thickener, 0.3 part of the third fungicide and 0.3 Parts of antifungal agent continue to mix for 8 minutes, stop stirring, and set aside;

S4. Add 6 parts by mass of base paint to 3 parts of protective glue solution for pre-cutting, use a dispersing disc to cut and granulate, add 3 parts of continuous phase and stir evenly.

Adopt " HG/T 4343-2012 Waterborne Colorful Architectural Coatings " to test the paint film made of the coatings obtained in Examples 1-3 and Comparative Examples, and the test results are shown in Tables 1 and 2; "Limits of Harmful Substances in Wall Surfaces" are used to test the coatings obtained in Examples 1-3 and comparative examples, and the test results are shown in Table 3;

Table 1, Technical requirements for non-elastic waterborne colorful architectural coatings for interior use

Table 2 Paint Film Properties

Table 3, Technical Requirements for Limits of Hazardous Substances in Wall Surfaces of Interior Buildings

It can be seen from the above that the stain-resistant colorful art paint with imitation mosaic effect of the present invention innovatively combines the product characteristics of incompatible color points of the multi-color system with the toning effect to achieve a mosaic-like paint film effect, which can be applied to the plane of various substrates Gives a decorative and protective effect.

At the same time, through the combination of different molecular weight hydroxyethyl cellulose, hydrophobically modified hydroxyethyl cellulose and base paint emulsion, the specific non-Newtonian fluid characteristics of the base paint are adjusted, and the appropriate production process and equipment are compatible to make the overall colorful particle size Uniform and distinct colors, the mosaic effect is more realistic. The silicone acrylic emulsion with the optimal continuous phase and other functional additives make the paint film have a good lotus leaf effect and stain resistance, and at the same time have good compatibility with the protective glue solution, good weather resistance, low odor, and are not easy to cause stains. thicken.

The invention optimizes the environmental performance and performance effect of the product through the overall debugging of the formula. The dry film on the wall has the characteristics of stain resistance, water whitening resistance, scratch resistance and high flatness. The product construction is simple, healthy and environmentally friendly, and is suitable for small Area decoration.

Finally, it should be noted that: the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (7)

1. A preparation method of stain-resistant colorful artistic paint with a mosaic-like effect is characterized by comprising the following steps:

preparation of protective glue solution

Adding 6-8 parts by mass of protective rubber powder into deionized water, dispersing for 60-90min at 1450-1550r/min, adding 0.2-0.3 part of first bactericide, stirring for 3-5 min, and standing overnight for later use;

preparation of the base paint

Adding 0.3-0.6 part of defoaming agent, 0.2-0.4 part of dispersing agent, 1.3-1.6 parts of film-forming assistant, 0.2-1 part of hydroxyethyl cellulose, 0.2-1 part of hydrophobically modified associated cellulose, 1-2 parts of antifreezing agent and 0.02-0.5 part of pH regulator into 40-50 parts of deionized water in sequence at the rotating speed of 250-350r/min in parts by mass;

adjusting the rotating speed to 650-750r/min, dispersing for 5 minutes, and sequentially adding 2-5 parts of titanium dioxide and 6-10 parts of calcined kaolin in parts by mass;

adjusting the rotating speed to 950-1050r/min for dispersing for 10-15 minutes, adjusting the rotating speed to 650-750r/min, adding acrylic emulsion for mixing for 2-5 minutes, adding 3-8 parts of protective glue solution and 0.2-0.4 part of second bactericide for mixing for 8-10 minutes for color mixing for later use;

preparation of the continuous phase

Sequentially adding 0.2-0.5 part of defoaming agent, 3-5 parts of film-forming assistant, 2-3 parts of antifreezing agent and 0.2-0.5 part of pH regulator into 20-30 parts of deionized water at the rotating speed of 250-350r/min in parts by mass;

adjusting the rotating speed to 650-750r/min, dispersing for 5 minutes, adding 60-70 parts of silicone-acrylic emulsion by mass, mixing for 2-6 minutes, sequentially adding 0.3-1 part of alkali swelling thickener, 0.2-0.4 part of third fungicide and 0.2-0.4 part of mildew preventive, continuously mixing for 5-8 minutes, and stopping stirring for later use;

adding 5-7 parts by mass of base paint into 2-3 parts by mass of protective glue solution for precutting, cutting and granulating by using a dispersion disc, adding 2-3 parts by mass of continuous phase, and uniformly stirring to obtain the stain-resistant colorful artistic coating with the mosaic imitating effect;

the protective rubber powder is S482 protective rubber powder of Bi Kehua chemical company;

the acrylic emulsion is 6188 of Foshan Luo Sifu science and technology limited;

the hydroxyethyl cellulose is cellulose HBR250 of Ashland company;

the hydrophobically modified associative cellulose is cellulose HE10K from Ashland.

2. The method according to claim 1, wherein the first bactericide, the second bactericide, and the third bactericide are Wen Kehua, 1.5M, KTL and WME, respectively, of chemical ltd.

3. The method of claim 1, wherein the dispersant is ECODIS P30 available from COATEX corporation.

4. The method of claim 1, wherein the titanium dioxide is LOMON R996 and the calcined kaolin is white snowboard CMP80 calcined kaolin.

5. The process of claim 1, wherein the defoamer is NXZ from NOPCO, the coalescent is Texanol from EASTMAN, the pH adjuster is AMP-95 from DOW, and the alkali swelling thickener is TT-935 from DOW; the silicone-acrylic emulsion is 7199 of Fushan Luo Sifu science and technology Limited, and the antifreezing agent is ethylene glycol of Zhonghai Shell.

6. An imitation mosaic effect stain resistant multicolor art coating prepared according to the preparation method of any one of claims 1 to 5.

7. Use of the mosaic-effect stain-resistant multicolor art paint of claim 6 in the field of decoration.