CN110563381A - Sand-in-water coating and preparation method thereof - Google Patents

Sand-in-water coating and preparation method thereof Download PDF

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Publication number
CN110563381A
CN110563381A CN201910899386.7A CN201910899386A CN110563381A CN 110563381 A CN110563381 A CN 110563381A CN 201910899386 A CN201910899386 A CN 201910899386A CN 110563381 A CN110563381 A CN 110563381A
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China
Prior art keywords
parts
stirring
water
sand
adjusting
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Inventor
杨帆
戴国军
丁欣
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Hebei Chenyang Industry and Trade Group Co Ltd
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Hebei Chenyang Industry and Trade Group Co Ltd
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Priority to CN201910899386.7A priority Critical patent/CN110563381A/en
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02Macromolecular compounds
    • C04B26/04Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00017Aspects relating to the protection of the environment
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00025Aspects relating to the protection of the health, e.g. materials containing special additives to afford skin protection
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482Coating or impregnation materials

Abstract

the invention relates to the technical field of coatings, and particularly discloses a sand-in-water coating and a preparation method thereof. The sand-in-water coating comprises the following components in parts by weight: 20-30 parts of protective glue, 50-60 parts of toning base paint and 15-25 parts of continuous phase. The sand-in-water coating disclosed by the invention is strong in adhesive force, high in toughness, good in wear resistance and weather resistance, and a paint film can achieve the natural effect and the attractive appearance of marble textures.

Description

Sand-in-water coating and preparation method thereof
Technical Field
The invention relates to the technical field of coatings, in particular to a sand-in-water coating and a preparation method thereof.
background
At present, building coatings in China account for about 40% of the whole coating industry, the using amount of indoor coatings is increased more and more, harmful substances such as formaldehyde, VOC and the like generated by indoor decoration materials become the primary concern of consumers, people generally adopt indoor ventilation, prolong the residence time, use formaldehyde remover and the like to reduce the concentration of indoor formaldehyde, but the method can only remove formaldehyde at ventilation positions in a limited way, and can not remove formaldehyde release points at hidden positions, part of coatings which appear on the market and have the formaldehyde-resistant effect are poor in the formaldehyde-resistant effect, the toughness, the wear resistance and the aging resistance of a paint film can be reduced after the added formaldehyde-resistant functional components are added into the paint film, and the added functional components can enable the paint film to release other harmful substances. In addition, the haze phenomenon is very serious in China at the present stage, the number of people suffering from respiratory diseases caused by haze is continuously increased every year, an effective haze removing means is not available, people only can purify air coming from the outdoors by purchasing an air purifier, but the quality of the air purifier is not uniform, and the haze cannot be removed from the source. If the coating can have the haze removing effect, the coating has a broad market prospect.
compared with other coatings, the sand-in-water multicolor coating has good decoration effect, can highlight simple, elegant and luxury patterns, can naturally, smoothly and harmoniously blend imitated granite textures, can be used for decorating indoor and outdoor walls, and particularly has good decoration effect when used indoors.
Disclosure of Invention
The invention provides a sand-in-water coating and a preparation method thereof, aiming at the problems that after functional components such as formaldehyde removal powder are added into the existing sand-in-water coating, the attractiveness of a paint film can be reduced, the adhesive force, toughness, wear resistance and weather resistance of the coating are influenced, and the function of the functional components is influenced.
in order to achieve the purpose of the invention, the embodiment of the invention adopts the following technical scheme:
The sand-in-water coating comprises the following components in parts by weight:
20-30 parts of protective adhesive, 50-60 parts of toning base paint and 15-25 parts of continuous phase;
the protective adhesive comprises the following components in parts by weight:
75-95 parts of deionized water, 0.1-3 parts of dispersant, 0-5 parts of viscosity reducer, 0.1-4 parts of mildew inhibitor, 0.1-3 parts of bactericide, 2-20 parts of protective rubber powder and 0.1-1 part of pH regulator;
the toning base paint comprises the following components in parts by weight:
45-65 parts of deionized water, 0.1-0.5 part of mildew preventive, 0.1-1 part of dispersant, 0.5-1 part of cellulose, 5-15 parts of filler, 3-10 parts of haze-removing and formaldehyde-resisting powder, 0.5-1.5 parts of defoamer, 0.1-0.8 part of pH regulator, 15-45 parts of ethylene-vinyl acetate copolymer emulsion, 0.5-1.5 parts of film-forming auxiliary agent, 0.5-1.5 parts of anti-freezing agent, 0.1-1 part of bactericide, 0.1-0.8 part of thickener, 3-5 parts of protective adhesive and 80-100 parts of snow white;
The continuous phase comprises the following components in parts by weight:
5-10 parts of deionized water, 0.1-0.5 part of organic bentonite, 0.5-3 parts of water-soluble anion powder, 70-85 parts of ethylene-vinyl acetate copolymer emulsion, 3-10 parts of film-forming additive, 5-10 parts of antifreezing agent, 0.1-0.5 part of pH regulator and 0.1-0.8 part of thickening agent.
Compared with the prior art, the basic color mixing paint in the sand-in-water paint provided by the invention uses the ethylene-vinyl acetate copolymer emulsion, the introduced vinyl acetate monomer can effectively improve the flexibility, the impact resistance and the compatibility with the filler of a paint film, so that the paint film has better toughness, impact resistance, high hardness and wear resistance, meanwhile, the combination of the ethylene-vinyl acetate copolymer emulsion and the cellulose can increase the inclusion capacity of the added haze-removing formaldehyde-resistant powder and water-soluble negative ion powder in the paint, the negative ion powder is adhered to the surfaces of the cellulose and the haze-removing formaldehyde-resistant powder and uniformly dispersed in a special cross-linking structure of the paint film formed by the ethylene-vinyl acetate copolymer emulsion by the paint, the toughness and the wear resistance of the paint film cannot be influenced, the stability of color point distribution in the paint can be increased, and the natural effect and the aesthetic degree of the marble-like texture of the sand-in-water paint are improved, on the other hand, the special distribution form of the haze-removing formaldehyde-resistant powder and the water-soluble negative ion powder in the paint film is combined with the microporous structure formed by the swelling of the cellulose in the paint, so that the haze-removing formaldehyde-resistant powder and the water-soluble negative ion powder can play a role in removing harmful substances such as formaldehyde, VOC and the like in the paint film for a long time.
the ethylene-vinyl acetate copolymer emulsion is used in the toning base paint and the continuous phase, so that the odor removal effect of the paint can be exerted, and the comfort degree of a residence is increased; the water-soluble anion powder is added into the continuous phase, so that the coating can continuously release anions after coating, and the auxiliary effect on removing harmful substances such as formaldehyde, VOC and the like is achieved.
Preferably, the dispersant is a polycarboxylic acid sodium salt dispersant, such as OROTAN 731A; and/or
the viscosity reducer is sodium pyrophosphate.
the sodium polycarboxylate dispersant has high dispersibility, maximum pigment bearing capacity and excellent dispersibility on snowflake white.
Preferably, the mold inhibitor is an isothiazolinone type mold inhibitor, such as merge 786; and/or
The bactericide is a broad-spectrum bactericide free of solvent and formaldehyde, such as MERGAL K9N.
preferably, the protective rubber powder consists of magnesium aluminum silicate and magnesium lithium silicate in a mass ratio of 1-2: 1; and/or
The pH regulator is one or two of 2-amino-2-methyl-1-propanol and butyl ethanolamine, 2-amino-2-methyl-1-propanol can be AMP-95 of Dow chemical, and butyl ethanolamine can be butyl ethanolamine of Arwand.
the aluminum magnesium silicate has a unique three-dimensional chain structure and a special needle and rod-shaped crystal structure, so that the aluminum magnesium silicate has unusual colloid and adsorption performance, forms a 'card palace' type association network structure in an aqueous medium, has good rheological property and thixotropy, and can effectively prevent suspended matters in the coating from settling; the molecular structure of the magnesium lithium silicate is dispersed in water to form transparent thixotropic colloid, and the size of the dispersed particle is about 20-50 nanometers; the aluminum magnesium silicate forms a 'card palace' type association network structure in an aqueous medium and is combined with the transparent thixotropic nano colloid formed by dispersing the magnesium lithium silicate in water, so that the sedimentation of heavy material sand can be effectively avoided, the stability of the color sand in the coating is improved, and the marble simulation of a formed paint film is improved.
preferably, the cellulose is hydroxyethyl cellulose, such as 250HBR or HS 10W; and/or
the filler consists of kaolin and titanium dioxide accounting for 1-10% of the total mass of the filler; and/or
the haze-removing and formaldehyde-resisting powder consists of coconut shell activated carbon, nano silicon chips, tourmaline and diatom ooze in a mass ratio of 1-2:3-4:3-4: 1-2.
The hydroxyethyl cellulose can form a porridge-like substance when the ethylene-vinyl acetate copolymer emulsion and the antifreezing agent coexist, the hydroxyethyl cellulose is easy to be fully swelled when in the porridge-like state, and plays a better thickening role in the coating, and on the other hand, the hydroxyethyl cellulose has very good water retention and stability effects, has excellent pigment compatibility, can fully ensure the suspension and stability of powder and pigment in the coating system, and reduces the construction difficulty.
The coconut shell activated carbon takes high-quality coconut shells as raw materials, is a carbide with multiple pore diameters, has extremely rich pore structures, good adsorption performance, high adsorption speed and large adsorption capacity; the nano silicon wafer has a strong negative charge field and can adsorb harmful substances such as formaldehyde, VOC and the like in the air; tourmaline can continuously generate negative oxygen ions, can absorb and decompose harmful substances such as indoor formaldehyde, VOC and the like, and can eliminate indoor peculiar smell; the diatom ooze is free of pollution, odor and harmful substance release, has a rich three-dimensional void structure, and is beneficial to long-term exertion of the functions of coconut shell activated carbon, nano silicon chips and tourmaline.
Preferably, the preparation method of the haze formaldehyde-resistant powder comprises the following steps:
Weighing the raw materials according to the proportion for later use; adding water into a container, stirring at 300-600rpm, adding coconut shell activated carbon, nano silicon chips and tourmaline into water, stirring for 10-15min to obtain a suspension, and dispersing the suspension in an ultrasonic disperser for 10-15 min; after the dispersion is finished, adjusting the stirring speed to 600-800rpm, adding diatom ooze into the container, adjusting the speed to 1200-1500rpm, and stirring for 20-25min to obtain slurry; and drying the slurry until the water content is less than 0.5%, and crushing and sieving to obtain the haze-removing and formaldehyde-resisting powder.
Preferably, the ethylene-vinyl acetate copolymer emulsion is DA 102H; and/or
The defoamer is available in the form of FoamStar a10, such as FoamStar a10 from corning; and/or
the film-forming additive is 2,2, 4-trimethyl-1, 3-pentanediol monoisobutyrate.
preferably, the antifreeze is propylene glycol; and/or
The thickener is a hydrophobically modified alkali swellable thickener such as ACRYSOL TT-935.
preferably, the snowflake white is colored sand with 80-120 meshes; and/or
the water-soluble anion powder is transparent crystal type anion powder.
The invention also provides a preparation method of the water-coated sand coating, which at least comprises the following steps:
Preparing a protective adhesive: adding deionized water into an empty container, adding a dispersing agent, a viscosity reducer, a mildew preventive, a bactericide and a pH regulator into the water at a stirring speed of 300-600rpm, stirring for 1-2min, adjusting the stirring speed to 1300-1500rpm, adding protective rubber powder, and stirring for 25-30min to obtain protective rubber;
preparing a toning base paint: adding deionized water into an empty container, adding the mildew preventive and the dispersant at the stirring speed of 300-500rpm, and stirring for 1-2 min; adjusting the stirring speed to 600-800rpm, adding cellulose, and stirring for 5-10 min; adjusting the stirring speed to 700-900rpm, adding the filler, the haze-removing and formaldehyde-resisting powder, the defoaming agent and the pH regulator, adjusting the speed to 1200-1500rpm, and stirring for 20-25 min; adjusting the rotation speed to 1000-1200rpm, adding the ethylene-vinyl acetate copolymer emulsion, the film forming additive, the antifreezing agent, the bactericide and the thickener, and stirring for 5-10 min; adjusting the rotating speed to 1200-1400rpm, adding the protective adhesive, stirring for 2-3min, adding the snowflake white, and uniformly stirring to obtain the toning base paint;
Preparation of the continuous phase: adding deionized water into an empty container, adding organic bentonite under the stirring rotating speed of 900-1100rpm, and stirring for 15-20 min; adjusting the rotation speed to 300-500rpm, adding water-soluble anion powder, ethylene-vinyl acetate copolymer emulsion, film forming auxiliary agent, antifreezing agent and pH regulator, and stirring for 10-15 min; regulating the rotation speed to 700-900rpm, adding a thickening agent, and stirring for 3-5min to obtain a continuous phase;
Preparing a sand-in-water coating: respectively weighing the toning base paint, the protective adhesive and the continuous phase according to the mass ratio of 50-60:20-30:15-25 for later use; adding the toning base paint into the protective adhesive for granulation; and after granulation is finished, adding the continuous phase, uniformly stirring, adjusting the viscosity until the color point does not settle, and obtaining the water-coated sand multicolor paint.
compared with the prior art, the preparation method of the sand-in-water coating provided by the invention has the advantages of simple preparation process, low material cost and low equipment requirement.
Detailed Description
in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The sand-in-water coating comprises the following components in parts by weight:
20 parts of protective adhesive, 50 parts of toning base paint and 15 parts of continuous phase;
The protective adhesive comprises the following components in parts by weight:
75 parts of deionized water, 0.1 part of dispersant, 0.1 part of mildew preventive, 0.1 part of bactericide, 2 parts of protective rubber powder and 0.1 part of pH regulator;
the toning base paint comprises the following components in parts by weight:
45 parts of deionized water, 0.1 part of mildew preventive, 0.1 part of dispersant, 0.5 part of cellulose, 5 parts of filler, 3 parts of haze-removing and formaldehyde-resisting powder, 0.5 part of defoamer, 0.1 part of pH regulator, 15 parts of ethylene-vinyl acetate copolymer emulsion, 0.5 part of film-forming assistant, 0.5 part of antifreeze, 0.1 part of bactericide, 0.1 part of thickener, 3 parts of protective adhesive and 80 parts of snow white;
the continuous phase comprises the following components in parts by weight:
5 parts of deionized water, 0.1 part of organic bentonite, 0.5 part of water-soluble anion powder, 70 parts of ethylene-vinyl acetate copolymer emulsion, 3 parts of film-forming additive, 5 parts of antifreezing agent, 0.1 part of pH regulator and 0.1 part of thickening agent.
Wherein the dispersant is OROTAN 731A; the viscosity reducer is sodium pyrophosphate; the mildew preventive is a MERGAL 786 type mildew preventive; the bactericide is MERGAL K9N type bactericide; the protective rubber powder consists of magnesium aluminum silicate and magnesium lithium silicate in a mass ratio of 1: 1; the pH regulator is AMP-95 of Dow chemical; cellulose was 250 HBR; the filler is kaolin; the haze-removing and formaldehyde-resisting powder consists of coconut shell activated carbon, nano silicon chips, tourmaline and diatom ooze in a mass ratio of 1:3:3: 1; the ethylene-vinyl acetate copolymer emulsion is DA102H of Nanjing Baiyu science and technology Limited; the antifoaming agent is FoamStar A10 from Corning; the film-forming additive is 2,2, 4-trimethyl-1, 3-pentanediol monoisobutyrate; the antifreezing agent is propylene glycol; the thickener is ACRYSOL TT-935; the snowflake white is 80-mesh colored sand; the water-soluble anion powder is transparent crystal type anion powder.
the preparation method of the haze formaldehyde-resistant powder comprises the following steps:
Weighing the raw materials according to the proportion for later use; adding water into a container, stirring at 300rpm, adding coconut shell activated carbon, nano silicon chips and tourmaline into water, stirring for 10min to obtain a suspension, and dispersing the suspension in an ultrasonic disperser for 10 min; after the dispersion is finished, adjusting the stirring speed to 600rpm, adding diatom ooze into the container, adjusting the speed to 1200rpm, and stirring for 20min to obtain slurry; and drying the slurry until the water content is less than 0.5%, and crushing and sieving to obtain the haze-removing and formaldehyde-resisting powder.
The preparation method of the sand-in-water coating at least comprises the following steps:
Preparing a protective adhesive: adding deionized water into an empty container, adding a dispersing agent, a viscosity reducer, a mildew preventive, a bactericide and a pH regulator into the water at the stirring speed of 300rpm, stirring for 1min, adjusting the stirring speed to 1300rpm, adding protective rubber powder, and stirring for 25min to obtain protective rubber;
Preparing a toning base paint: adding deionized water into an empty container, adding the mildew preventive and the dispersant at the stirring speed of 300rpm, and stirring for 1 min; adjusting the stirring speed to 600rpm, adding cellulose, and stirring for 5 min; adjusting the stirring speed to 700rpm, adding the filler, the haze-removing and formaldehyde-resisting powder, the defoaming agent and the pH regulator, adjusting the speed to 1200rpm, and stirring for 20 min; adjusting the rotating speed to 1000rpm, adding the ethylene-vinyl acetate copolymer emulsion, the film forming additive, the antifreezing agent, the bactericide and the thickening agent, and stirring for 5 min; adjusting the rotating speed to 1200rpm, adding the protective adhesive, stirring for 2min, adding the snowflake white, and uniformly stirring to obtain the toning base paint;
preparation of the continuous phase: adding deionized water into an empty container, adding organic bentonite at the stirring speed of 900rpm, and stirring for 15 min; regulating the rotation speed to 300rpm, adding water-soluble anion powder, ethylene-vinyl acetate copolymer emulsion, a film forming auxiliary agent, an antifreezing agent and a pH regulator, and stirring for 10 min; adjusting the rotating speed to 700rpm, adding a thickening agent, and stirring for 3min to obtain a continuous phase;
Preparing a sand-in-water coating: respectively weighing the toning base paint, the protective adhesive and the continuous phase according to the mass ratio of 50:20:15 for later use; adding the toning base paint into the protective adhesive for granulation; and after granulation is finished, adding the continuous phase, uniformly stirring, adjusting the viscosity until the color point does not settle, and obtaining the water-coated sand multicolor paint.
Example 2
the sand-in-water coating comprises the following components in parts by weight:
25 parts of protective adhesive, 55 parts of toning base paint and 20 parts of continuous phase;
the protective adhesive comprises the following components in parts by weight:
85 parts of deionized water, 2 parts of a dispersing agent, 3 parts of a viscosity reducer, 2 parts of a mildew preventive, 2 parts of a bactericide, 10 parts of protective rubber powder and 0.5 part of a pH regulator;
The toning base paint comprises the following components in parts by weight:
55 parts of deionized water, 0.3 part of mildew preventive, 0.5 part of dispersant, 0.8 part of cellulose, 10 parts of filler, 8 parts of haze-removing and formaldehyde-resisting powder, 1 part of defoamer, 0.5 part of pH regulator, 30 parts of ethylene-vinyl acetate copolymer emulsion, 1 part of film-forming assistant, 1 part of antifreeze, 0.5 part of bactericide, 0.5 part of thickener, 4 parts of protective adhesive and 90 parts of snow white;
the continuous phase comprises the following components in parts by weight:
8 parts of deionized water, 0.3 part of organic bentonite, 1.5 parts of water-soluble anion powder, 80 parts of ethylene-vinyl acetate copolymer emulsion, 5 parts of film-forming additive, 7 parts of antifreezing agent, 0.2 part of pH regulator and 0.5 part of thickening agent.
Wherein the dispersant is OROTAN 731A; the viscosity reducer is sodium pyrophosphate; the mildew preventive is a MERGAL 786 type mildew preventive; the bactericide is MERGAL K9N type bactericide; the protective rubber powder consists of magnesium aluminum silicate and magnesium lithium silicate in a mass ratio of 2: 1; the pH regulator is the butyl ethanolamine of the Wander; the cellulose is HS 10W; the filler consists of kaolin and titanium dioxide in a mass ratio of 20: 1; the haze-removing and formaldehyde-resisting powder consists of coconut shell activated carbon, nano silicon chips, tourmaline and diatom ooze in a mass ratio of 2:3:3: 2; the ethylene-vinyl acetate copolymer emulsion is DA102H of Nanjing Baiyu science and technology Limited; the antifoaming agent is FoamStar A10 from Corning; the film-forming additive is 2,2, 4-trimethyl-1, 3-pentanediol monoisobutyrate; the antifreezing agent is propylene glycol; the thickener is ACRYSOL TT-935; the snowflake white is colored sand with 100 meshes; the water-soluble anion powder is transparent crystal type anion powder.
the preparation method of the haze formaldehyde-resistant powder comprises the following steps:
Weighing the raw materials according to the proportion for later use; adding water into a container, stirring at 400rpm, adding coconut shell activated carbon, nano silicon chips and tourmaline into water, stirring for 15min to obtain a suspension, and dispersing the suspension in an ultrasonic disperser for 15 min; after the dispersion is finished, adjusting the stirring speed to 800rpm, adding diatom ooze into the container, adjusting the speed to 1300rpm, and stirring for 20min to obtain slurry; and drying the slurry until the water content is less than 0.5%, and crushing and sieving to obtain the haze-removing and formaldehyde-resisting powder.
The preparation method of the sand-in-water coating at least comprises the following steps:
preparing a protective adhesive: adding deionized water into an empty container, adding a dispersing agent, a viscosity reducer, a mildew preventive, a bactericide and a pH regulator into the water at a stirring speed of 400rpm, stirring for 2min, adjusting the stirring speed to 1400rpm, adding protective rubber powder, and stirring for 25min to obtain protective rubber;
preparing a toning base paint: adding deionized water into an empty container, adding the mildew preventive and the dispersant at the stirring speed of 400rpm, and stirring for 2 min; adjusting the stirring speed to 800rpm, adding cellulose, and stirring for 8 min; adjusting the stirring speed to 800rpm, adding the filler, the haze-removing and formaldehyde-resisting powder, the defoaming agent and the pH regulator, adjusting the speed to 1300rpm, and stirring for 25 min; adjusting the rotating speed to 1100rpm, adding the ethylene-vinyl acetate copolymer emulsion, the film forming additive, the antifreezing agent, the bactericide and the thickening agent, and stirring for 8 min; adjusting the rotating speed to 1300rpm, adding the protective adhesive, stirring for 3min, adding the snowflake white, and uniformly stirring to obtain the toning base paint;
Preparation of the continuous phase: adding deionized water into an empty container, adding organic bentonite at the stirring speed of 1000rpm, and stirring for 20 min; regulating the rotation speed to 400rpm, adding water-soluble anion powder, ethylene-vinyl acetate copolymer emulsion, a film forming aid, an antifreezing agent and a pH regulator, and stirring for 12 min; adjusting the rotating speed to 800rpm, adding a thickening agent, and stirring for 4min to obtain a continuous phase;
preparing a sand-in-water coating: respectively weighing the toning base paint, the protective adhesive and the continuous phase according to the mass ratio of 55:25:20 for later use; adding the toning base paint into the protective adhesive for granulation; and after granulation is finished, adding the continuous phase, uniformly stirring, adjusting the viscosity until the color point does not settle, and obtaining the water-coated sand multicolor paint.
example 3
The sand-in-water coating comprises the following components in parts by weight:
30 parts of protective adhesive, 60 parts of toning base paint and 25 parts of continuous phase;
the protective adhesive comprises the following components in parts by weight:
95 parts of deionized water, 3 parts of a dispersing agent, 5 parts of a viscosity reducer, 4 parts of a mildew inhibitor, 3 parts of a bactericide, 20 parts of protective rubber powder and 1 part of a pH regulator;
the toning base paint comprises the following components in parts by weight:
65 parts of deionized water, 0.5 part of mildew preventive, 1 part of dispersant, 1 part of cellulose, 15 parts of filler, 10 parts of haze-removing and formaldehyde-resisting powder, 1.5 parts of defoamer, 0.8 part of pH regulator, 45 parts of ethylene-vinyl acetate copolymer emulsion, 1.5 parts of film-forming assistant, 1.5 parts of antifreeze, 1 part of bactericide, 0.8 part of thickener, 5 parts of protective adhesive and 100 parts of snow white;
the continuous phase comprises the following components in parts by weight:
10 parts of deionized water, 0.5 part of organic bentonite, 3 parts of water-soluble anion powder, 85 parts of ethylene-vinyl acetate copolymer emulsion, 10 parts of film-forming assistant, 10 parts of antifreezing agent, 0.5 part of pH regulator and 0.8 part of thickening agent.
Wherein the dispersant is OROTAN 731A; the viscosity reducer is sodium pyrophosphate; the mildew preventive is a MERGAL 786 type mildew preventive; the bactericide is MERGAL K9N type bactericide; the protective rubber powder consists of magnesium aluminum silicate and magnesium lithium silicate in a mass ratio of 2: 1; the pH regulator comprises AMP-95 of the Dow chemical and butylethanolamine of the Amydad in a mass ratio of 2: 1; the cellulose is HS 10W; the filler consists of kaolin and titanium dioxide in a mass ratio of 9: 1; the haze-removing and formaldehyde-resisting powder consists of coconut shell activated carbon, nano silicon chips, tourmaline and diatom ooze in a mass ratio of 2:4:4: 2; the ethylene-vinyl acetate copolymer emulsion is DA102H of Nanjing Baiyu science and technology Limited; the antifoaming agent is FoamStar A10 from Corning; the film-forming additive is 2,2, 4-trimethyl-1, 3-pentanediol monoisobutyrate; the antifreezing agent is propylene glycol; the thickener is ACRYSOL TT-935; the snow white is 120-mesh colored sand; the water-soluble anion powder is transparent crystal type anion powder.
The preparation method of the haze formaldehyde-resistant powder comprises the following steps:
Weighing the raw materials according to the proportion for later use; adding water into a container, stirring at 600rpm, adding coconut shell activated carbon, nano silicon chips and tourmaline into water, stirring for 15min to obtain a suspension, and dispersing the suspension in an ultrasonic disperser for 15 min; after the dispersion is finished, adjusting the stirring speed to 800rpm, adding diatom ooze into the container, adjusting the speed to 1500rpm, and stirring for 25min to obtain slurry; and drying the slurry until the water content is less than 0.5%, and crushing and sieving to obtain the haze-removing and formaldehyde-resisting powder.
The preparation method of the sand-in-water coating at least comprises the following steps:
Preparing a protective adhesive: adding deionized water into an empty container, adding a dispersing agent, a viscosity reducer, a mildew preventive, a bactericide and a pH regulator into the water at the stirring speed of 600rpm, stirring for 2min, adjusting the stirring speed to 1500rpm, adding protective rubber powder, and stirring for 30min to obtain protective rubber;
preparing a toning base paint: adding deionized water into an empty container, adding the mildew preventive and the dispersant at the stirring speed of 500rpm, and stirring for 2 min; adjusting the stirring speed to 800rpm, adding cellulose, and stirring for 10 min; adjusting the stirring speed to 900rpm, adding the filler, the haze-removing and formaldehyde-resisting powder, the defoaming agent and the pH regulator, adjusting the speed to 1500rpm, and stirring for 25 min; adjusting the rotating speed to 1200rpm, adding the ethylene-vinyl acetate copolymer emulsion, the film forming additive, the antifreezing agent, the bactericide and the thickening agent, and stirring for 10 min; adjusting the rotating speed to 1400rpm, adding the protective adhesive, stirring for 3min, adding the snowflake white, and uniformly stirring to obtain the toning base paint;
preparation of the continuous phase: adding deionized water into an empty container, adding organic bentonite at the stirring speed of 1100rpm, and stirring for 20 min; regulating the rotation speed to 500rpm, adding water-soluble anion powder, ethylene-vinyl acetate copolymer emulsion, film forming auxiliary agent, antifreezing agent and pH regulator, and stirring for 15 min; adjusting the rotating speed to 900rpm, adding a thickening agent, and stirring for 5min to obtain a continuous phase;
preparing a sand-in-water coating: respectively weighing the toning base paint, the protective adhesive and the continuous phase according to the mass ratio of 60:30:25 for later use; adding the toning base paint into the protective adhesive for granulation; and after granulation is finished, adding the continuous phase, uniformly stirring, adjusting the viscosity until the color point does not settle, and obtaining the water-coated sand multicolor paint.
comparative example 1
The same amount of pure acrylic emulsion was used in place of the ethylene-vinyl acetate copolymer emulsion of example 1, and the other components and preparation method were the same as in example 1, to obtain a sand-in-water paint.
comparative example 2
The same amount of silicone-acrylic emulsion was used in place of the ethylene-vinyl acetate copolymer emulsion of example 1, and the other components and preparation method were the same as in example 1, to obtain a sand-in-water coating composition.
The sand-in-water coating materials obtained in examples 1 to 3 and comparative examples 1 to 2 were tested for their respective properties, and the results are shown in the following table:
the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. A sand-in-water coating is characterized in that: the paint comprises the following components in parts by weight:
20-30 parts of protective adhesive, 50-60 parts of toning base paint and 15-25 parts of continuous phase;
The protective adhesive comprises the following components in parts by weight:
75-95 parts of deionized water, 0.1-3 parts of dispersant, 0-5 parts of viscosity reducer, 0.1-4 parts of mildew inhibitor, 0.1-3 parts of bactericide, 2-20 parts of protective rubber powder and 0.1-1 part of pH regulator;
The toning base paint comprises the following components in parts by weight:
45-65 parts of deionized water, 0.1-0.5 part of mildew preventive, 0.1-1 part of dispersant, 0.5-1 part of cellulose, 5-15 parts of filler, 3-10 parts of haze-removing and formaldehyde-resisting powder, 0.5-1.5 parts of defoamer, 0.1-0.8 part of pH regulator, 15-45 parts of ethylene-vinyl acetate copolymer emulsion, 0.5-1.5 parts of film-forming auxiliary agent, 0.5-1.5 parts of anti-freezing agent, 0.1-1 part of bactericide, 0.1-0.8 part of thickener, 3-5 parts of protective adhesive and 80-100 parts of snow white;
the continuous phase comprises the following components in parts by weight:
5-10 parts of deionized water, 0.1-0.5 part of organic bentonite, 0.5-3 parts of water-soluble anion powder, 70-85 parts of ethylene-vinyl acetate copolymer emulsion, 3-10 parts of film-forming additive, 5-10 parts of antifreezing agent, 0.1-0.5 part of pH regulator and 0.1-0.8 part of thickening agent.
2. the sand-in-water coating of claim 1, wherein: the dispersant is a sodium polycarboxylate dispersant; and/or
the viscosity reducer is sodium pyrophosphate.
3. The sand-in-water coating of claim 1, wherein: the mildew preventive is isothiazolinone mildew preventive; and/or
The bactericide is a broad-spectrum bactericide which does not contain solvent and formaldehyde.
4. The sand-in-water coating of claim 1, wherein: the protective rubber powder consists of magnesium aluminum silicate and magnesium lithium silicate in a mass ratio of 1-2: 1; and/or
The pH regulator is one or a mixture of two of 2-amino-2-methyl-1-propanol and butyl ethanolamine.
5. The sand-in-water coating of claim 1, wherein: the cellulose is hydroxyethyl cellulose; and/or
the filler consists of kaolin and titanium dioxide accounting for 1-10% of the total mass of the filler; and/or
the haze-removing and formaldehyde-resisting powder consists of coconut shell activated carbon, nano silicon chips, tourmaline and diatom ooze in a mass ratio of 1-2:3-4:3-4: 1-2.
6. the sand-in-water coating of claim 5, wherein: the preparation method of the haze formaldehyde-resistant powder comprises the following steps:
Weighing the raw materials according to the proportion for later use; adding water into a container, stirring at 300-600rpm, adding coconut shell activated carbon, nano silicon chips and tourmaline into water, stirring for 10-15min to obtain a suspension, and dispersing the suspension in an ultrasonic disperser for 10-15 min; after the dispersion is finished, adjusting the stirring speed to 600-800rpm, adding diatom ooze into the container, adjusting the speed to 1200-1500rpm, and stirring for 20-25min to obtain slurry; and drying the slurry until the water content is less than 0.5%, and crushing and sieving to obtain the haze-removing and formaldehyde-resisting powder.
7. the sand-in-water coating of claim 1, wherein: the type of the ethylene-vinyl acetate copolymer emulsion is DA 102H; and/or
The model of the defoaming agent is FoamStar A10; and/or
The film-forming additive is 2,2, 4-trimethyl-1, 3-pentanediol monoisobutyrate.
8. the sand-in-water coating of claim 1, wherein: the antifreezing agent is propylene glycol; and/or
The thickening agent is a hydrophobic modified alkali swelling thickening agent.
9. The sand-in-water coating of claim 1, wherein: the snowflake white is color sand of 80-120 meshes; and/or
the water-soluble anion powder is transparent crystal type anion powder.
10. A method of preparing a sand-in-water coating according to any one of claims 1 to 9, wherein: at least comprises the following steps:
preparing a protective adhesive: adding deionized water into an empty container, adding a dispersing agent, a viscosity reducer, a mildew preventive, a bactericide and a pH regulator into the water at a stirring speed of 300-600rpm, stirring for 1-2min, adjusting the stirring speed to 1300-1500rpm, adding protective rubber powder, and stirring for 25-30min to obtain protective rubber;
Preparing a toning base paint: adding deionized water into an empty container, adding the mildew preventive and the dispersant at the stirring speed of 300-500rpm, and stirring for 1-2 min; adjusting the stirring speed to 600-800rpm, adding cellulose, and stirring for 5-10 min; adjusting the stirring speed to 700-900rpm, adding the filler, the haze-removing and formaldehyde-resisting powder, the defoaming agent and the pH regulator, adjusting the speed to 1200-1500rpm, and stirring for 20-25 min; adjusting the rotation speed to 1000-1200rpm, adding the ethylene-vinyl acetate copolymer emulsion, the film forming additive, the antifreezing agent, the bactericide and the thickener, and stirring for 5-10 min; adjusting the rotating speed to 1200-1400rpm, adding the protective adhesive, stirring for 2-3min, adding the snowflake white, and uniformly stirring to obtain the toning base paint;
Preparation of the continuous phase: adding deionized water into an empty container, adding organic bentonite under the stirring rotating speed of 900-1100rpm, and stirring for 15-20 min; adjusting the rotation speed to 300-500rpm, adding water-soluble anion powder, ethylene-vinyl acetate copolymer emulsion, film forming auxiliary agent, antifreezing agent and pH regulator, and stirring for 10-15 min; regulating the rotation speed to 700-900rpm, adding a thickening agent, and stirring for 3-5min to obtain a continuous phase;
preparing a sand-in-water coating: respectively weighing the toning base paint, the protective adhesive and the continuous phase according to the mass ratio of 50-60:20-30:15-25 for later use; adding the toning base paint into the protective adhesive for granulation; and after granulation is finished, adding the continuous phase, uniformly stirring, adjusting the viscosity until the color point does not settle, and obtaining the water-coated sand multicolor paint.
CN201910899386.7A 2019-09-23 2019-09-23 Sand-in-water coating and preparation method thereof Pending CN110563381A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112680014A (en) * 2020-12-17 2021-04-20 河北嘉宝莉涂料有限公司 Reflective heat insulation sand-in-water coating and preparation method thereof
CN112940556A (en) * 2021-04-06 2021-06-11 山东信尔建材科技有限公司 Sand-in-water coating and preparation method thereof
CN114015340A (en) * 2021-12-01 2022-02-08 厦门富思特新材料科技有限公司 Sand-in-water multicolor paint and preparation method and application thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112680014A (en) * 2020-12-17 2021-04-20 河北嘉宝莉涂料有限公司 Reflective heat insulation sand-in-water coating and preparation method thereof
CN112680014B (en) * 2020-12-17 2022-07-01 河北嘉宝莉涂料有限公司 Reflective heat insulation sand-in-water coating and preparation method thereof
CN112940556A (en) * 2021-04-06 2021-06-11 山东信尔建材科技有限公司 Sand-in-water coating and preparation method thereof
CN114015340A (en) * 2021-12-01 2022-02-08 厦门富思特新材料科技有限公司 Sand-in-water multicolor paint and preparation method and application thereof

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