CN112680035A - Artistic paint and preparation method thereof - Google Patents
Artistic paint and preparation method thereof Download PDFInfo
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- CN112680035A CN112680035A CN202110278544.4A CN202110278544A CN112680035A CN 112680035 A CN112680035 A CN 112680035A CN 202110278544 A CN202110278544 A CN 202110278544A CN 112680035 A CN112680035 A CN 112680035A
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Abstract
The invention relates to the technical field of building materials, in particular to an artistic coating and a preparation method thereof. The preparation raw materials of the artistic coating comprise, by mass: 100 portions and 180 portions of emulsion; 500 portions of filler and 700 portions; 3-6 parts of a silane coupling agent; 3-8 parts of lignocellulose; water; the emulsion comprises a first styrene-acrylic emulsion and a second styrene-acrylic emulsion, wherein the Tg of the first styrene-acrylic emulsion is 20-45 ℃, and the second styrene-acrylic emulsion is oil-resistant hydrophobic emulsion; the filler is selected from at least two of barite, wollastonite and heavy calcium. The artistic coating is an artistic facing coating which can realize multiple artistic shapes, can integrate the bottom surface into one (without putty leveling, bottom surface and top surface) and has good stain resistance.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to an artistic coating and a preparation method thereof.
Background
With the improvement of living standard of people, the indoor personalized decoration is gradually trended, the artistic coating changes the monotonous carved board of the traditional coating decoration and brings fresh vitality to the indoor decoration, and compared with the application of common flat coating, wallpaper, flitch and ceramic tile mosaic, the artistic coating has more variable tension and endless fashion aesthetic feeling. The method makes up the defects of monotonous color and no pattern selection of the latex paint, and overcomes the defects of easy wrinkling, seam, short service life, difficult renovation and the like of the wallpaper.
The artistic paints explained in the prior art have a single artistic presentation effect, and need to produce multiple artistic paints for selection of customers in factory production, so that the pressure on production and storage management is increased; for the dealers, the stock is of various types, and the fund transfer is difficult; for the terminal user-consumer, different artistic effects are required for decoration, different types of artistic paints are required to be purchased, and the artistic paints leaving factories are packaged and fixed, so that corresponding usage amount can not be purchased according to actual needs, and the phenomena of much money and waste are inevitably caused.
Moreover, many of the art coatings available require separate treatment of the substrate, such as: the putty is needed to level the bottom substrate, and then the primer is brushed or the intermediate coat is brushed. Because if the current popular art paint is directly coated without leveling the base surface or coating the primer, the thickness of the art paint coating is inevitably increased in the sunken area, and the thick coating also brings chalking and cracking risks. In addition, many artistic paints have uneven surfaces due to the modeling problem, are easy to accumulate dust, difficult to clean, have poor dirt resistance, and have poor appearance effect because the whole wall surface is easy to age. Therefore, after the main coating is molded by using the art paint in the prior art, a layer of stain-resistant paint or finishing varnish is mostly coated on the surface to achieve the antifouling effect, and the step increases the material cost and the working procedure and increases the labor. The various processes are complicated, need professional personnel for construction, have certain difficulty for popularization and application, and are not friendly to consumers who like DIY.
Disclosure of Invention
Based on the technical scheme, the artistic coating provided by the invention does not need bottom surface treatment, can be thinly coated, can be thickly coated (3-10 mm) without cracking, meets the requirements of the standard JC/T24-2018 synthetic resin emulsion sand wall-shaped building coating, can be scraped on the wall surface through various scraping tools to generate various textures, and has obvious artistic effect, smooth texture and hand feeling, environmental protection and lasting color. The decoration requirements of consumers on the artistic models with different thicknesses are met at one time, the pressure of manufacturer production and storage can be reduced, convenience can be brought to the consumers, and the resource waste is reduced. Meanwhile, the coating is anti-fouling and dustproof, a finish coat or a cover coat is not required to be additionally coated, and daily cleaning can be carried out only by wiping with wet cloth.
The artistic coating comprises the following preparation raw materials in parts by mass:
100 portions and 180 portions of emulsion;
500 portions of filler and 700 portions;
3-6 parts of a silane coupling agent;
3-8 parts of lignocellulose;
water;
the emulsion comprises a first styrene-acrylic emulsion and a second styrene-acrylic emulsion, wherein the glass transition temperature (Tg) of the first styrene-acrylic emulsion is 20-45 ℃, and the second styrene-acrylic emulsion is oil-resistant hydrophobic styrene-acrylic emulsion;
the filler is selected from at least two of barite, wollastonite and heavy calcium.
In one embodiment, the mass ratio of the first styrene-acrylic emulsion to the second styrene-acrylic emulsion is 3 (1-3).
In one embodiment, the filler is selected from a combination of barite and wollastonite, or from a combination of barite and heavy calcium, or from a combination of barite, silica fume, and heavy calcium. These fillers have the advantages of low oil absorption, high inertness, little possibility of chemical reaction, good thermal stability and good dispersibility.
In one embodiment, the barite has a mesh size of 200-800 meshes; the mesh number of the wollastonite is 200-600 meshes; the mesh number of the coarse whiting is 200 meshes to 400 meshes. The finer the filler, the greater the oil absorption; the thicker the filler, the more impurities it contains, and the quality is not well controlled.
In one embodiment, the silane coupling agent is selected from one or more of gamma-aminopropyltriethoxysilane, gamma-glycidoxypropyltrimethoxysilane and gamma-methacryloxypropyltrimethoxysilane. When the silane coupling agent is between an inorganic interface and an organic interface, a bonding layer of an organic matrix, the silane coupling agent and the inorganic matrix can be formed, the cohesive force of the coating system is enhanced, the bonding force of the coating is integrally improved, the cracking caused by uneven stress when the inside and the outside are not dried uniformly during thick coating is prevented, and the cracking resistance is improved.
In one embodiment, the preparation raw material further comprises an ester compound, and the boiling point of the ester compound is higher than 250 ℃. After the high-boiling-point ester compound is added, the high-boiling-point ester compound can be adsorbed by polymer latex particles in the emulsion to soften the latex, so that the fusion can be completed in the process of forming a paint film, and the phenomenon that the film cannot be formed when the lowest film forming temperature of the emulsion is higher than the construction environment temperature is avoided. Meanwhile, the high-boiling-point ester compound belongs to non-VOC substances, and cannot cause pollution to air after volatilization. Its own product properties also improve paint rheology and pigment wetting.
In one embodiment, the preparation raw materials further comprise one or more of a preservative, a dispersing agent, an antifoaming agent, an antifreezing agent, a thickening agent, a stabilizer, a pigment and a wetting agent. By adding the raw materials, the production stability and the storage stability of the coating product are improved comprehensively, the wall-mounting performance of the product is improved effectively, and a good decorative effect is formed.
In one embodiment, the preparation raw materials comprise, by mass:
100 portions and 180 portions of emulsion;
500 portions of filler and 700 portions;
3-6 parts of a silane coupling agent;
3-8 parts of lignocellulose;
5-12 parts of ester compounds;
0.5-1.5 parts of preservative;
1-5 parts of a dispersant;
1-5 parts of a defoaming agent;
4-12 parts of an antifreezing agent;
1.5-5 parts of a thickening agent;
0.3-1 part of a stabilizer;
0-80 parts of pigment;
and (3) water.
In one embodiment, the pigment is titanium dioxide. Titanium dioxide is the white pigment with the best performance, and the overall whiteness and covering power of the product can be increased in a system.
In one embodiment, the antifreezing agent is a glycol or glycol ether compound. The dihydric alcohol or the dihydric alcohol ether compound can change the freezing point of the system, so that the product is not frozen at low temperature. The solvent has the characteristics of excellent solubility, proper volatility, reaction activity and the like, can improve the flexibility of a system in the drying process, and avoids cracking of a coating caused by too fast drying in the drying process.
In one embodiment, the thickener is selected from one or two of hydroxyethyl cellulose and alkali swelling thickener. The thickening mechanism of the hydroxyethyl cellulose is mainly that a hydrophobic main chain of the hydroxyethyl cellulose forms hydrogen bonds with water, and polar groups on the structure interact to form a space network structure, so that the polymer rheological volume can be improved, the free movement of the polymer is limited, the viscosity of the coating is improved, the space network structure is damaged when shearing force is applied, the hydrogen bonds among molecules are damaged, the viscosity is reduced, the hydrogen bonds are formed again after the shearing force is removed, the space network structure is formed again, and the product is ensured to have good rheological property.
In one embodiment, the defoaming agent is selected from one or more of polyethers, high-carbon alcohols, silicones, mineral oils and emulsifying waxes. The coating is easy to generate bubbles in the production and use processes, and a large amount of stable bubbles are not beneficial to smooth production of the coating and the coating effect and performance in coating. The addition of the defoaming agent can inhibit the generation of bubbles and accelerate the breaking of the generated bubbles, thereby achieving the defoaming effect.
In one embodiment, the preservative is an aqueous broad spectrum preservative. The paint has high viscosity, can cause the temperature to rise in the later production period, and the main component of the aqueous broad-spectrum preservative is the aqueous dispersion of 1, 2-benzisothiazolin-3-one, is effective in the pH range of 4-12, has good temperature resistance, and has activity which is not influenced in a product system so as to prevent bacteria from breeding.
The invention also provides a preparation method of the artistic coating. The raw materials are added in sequence according to the formula, so that the preparation operation is simple, and the construction is convenient.
The preparation method of the artistic coating comprises the following steps:
adding filler, lignocellulose, emulsion and silane coupling agent into water, and stirring and dispersing;
the emulsion comprises 180 parts by mass of 100-180 parts by mass of the emulsion; the mass part of the filler is 500-700 parts; 3-6 parts of the silane coupling agent; the mass part of the lignocellulose is 3-8 parts;
the emulsion comprises a first styrene-acrylic emulsion and a second styrene-acrylic emulsion, wherein the glass transition temperature of the first styrene-acrylic emulsion is 20-45 ℃, and the second styrene-acrylic emulsion is oil-resistant hydrophobic styrene-acrylic emulsion;
the filler is selected from at least two of barite, wollastonite and heavy calcium.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the mixed emulsion of the first styrene-acrylic emulsion and the oil-resistant hydrophobic second styrene-acrylic emulsion with Tg of 20-45 ℃ is used as an emulsion system, the filler with low oil absorption and good stability is added as powder for supporting an artistic shape, and then the silane coupling agent and the lignocellulose are added in a matching manner, so that the bonding performance of the whole coating system is improved under the combined action of the raw materials, the coating is endowed with certain flexibility, the bottom surface treatment is not required, the coating can be thinly coated and can be thickly coated (3-10 mm) without cracking, the problem of cracking of the coating caused by the fact that the thicknesses of the coatings are not subjected to bottom surface treatment when the product is constructed on the wall is avoided, a good facing effect is formed, and the requirements of JC/T24-2018 synthetic resin emulsion sand wall-shaped building coatings are met. Moreover, the coating does not crack in a thick coating (3-10 mm), can meet the thickness required by various artistic shapes, can generate various textures (napping, embossment, bark texture, brick imitation and the like) by batch scraping on the wall surface by various batch scraping tools, and has obvious artistic effect, smooth texture and hand feeling, environmental protection and lasting color. The decoration requirements of consumers on the artistic models with different thicknesses are met at one time, the pressure of manufacturer production and storage can be reduced, convenience can be brought to the consumers, resource waste is reduced, and the method is suitable for the national concept of developing green building materials. Meanwhile, after modeling, the coating is anti-fouling and dustproof, no finish paint or cover coat is needed to be additionally coated, and daily cleaning can be realized only by wiping with wet cloth. The art facing paint can realize multiple art shapes, integrates the bottom surface into a whole (no need of putty leveling, bottom surface and top surface), and has good stain resistance.
Drawings
FIG. 1 is a graph showing the painting effect of the paint of example 1;
FIG. 2 is a graph showing the painting effect of the paint of example 2;
FIG. 3 is a graph showing the painting effect of the paint of example 3;
FIG. 4 is a graph showing the painting effect of the paint of example 4.
Detailed Description
The present invention will be described in further detail with reference to specific examples. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
An artistic coating comprises the following preparation raw materials in parts by mass:
100 portions and 180 portions of emulsion;
500 portions of filler and 700 portions;
3-6 parts of a silane coupling agent;
3-8 parts of lignocellulose;
water;
the emulsion comprises a first styrene-acrylic emulsion and a second styrene-acrylic emulsion, wherein the Tg of the first styrene-acrylic emulsion is 20-45 ℃, and the second styrene-acrylic emulsion is oil-resistant hydrophobic styrene-acrylic emulsion;
the filler is selected from at least two of barite, wollastonite and heavy calcium.
The emulsion is used as a main gel material, wherein the emulsion comprises a first styrene-acrylic emulsion with Tg of 20-45 ℃ and a second styrene-acrylic emulsion with oil resistance and hydrophobicity, the addition of the first styrene-acrylic emulsion is beneficial to improving the hardness of a coating, the water resistance is good, the Tg of the first styrene-acrylic emulsion is lower than 20 ℃, the improvement of the stain resistance of the coating is not facilitated, the use amount of a film-forming auxiliary agent is required to be increased when the Tg of the first styrene-acrylic emulsion is higher than 45 ℃, the cost is increased, and meanwhile, the addition amount of the film-forming auxiliary agent is increased, so that the coating is dried slowly and the. The addition of the second phenyl acrylic emulsion is beneficial to reducing the adhesion of dust, the second phenyl acrylic emulsion and the third phenyl acrylic emulsion are matched for application, the scrubbing resistance of the art coating is beneficial to improving, and the second phenyl acrylic emulsion still has the effects of resisting dirt and dust when no finish coat is needed or a finish coat is coated. Meanwhile, under the action of the two emulsions, when water drops drop on the coating, a lotus leaf effect is formed, so that the water drops roll off without an adhesion effect, and the corrosion of acid rain can be avoided.
Preferably, the mass ratio of the first styrene-acrylic emulsion to the second styrene-acrylic emulsion is 3 (1-3).
At least two of barite, wollastonite and heavy calcium are added as fillers for supporting artistic modeling. Wherein, the oil absorption of the barite is about 9, the oil absorption of the wollastonite is about 12, and the oil absorption of the heavy calcium is about 12-13, and overall, the oil absorption of the filler is lower, the oil absorption is low, the requirement for emulsion is lower, the coating is more compact in film formation, and the risk of cracking is favorably avoided. Meanwhile, the fillers also have the advantages of large inertia, difficult chemical reaction, good thermal stability and good dispersibility.
In one embodiment, the filler is selected from the group consisting of barite and wollastonite, or from the group consisting of barite and heavy calcium, or from the group consisting of barite, silica fume, and heavy calcium.
The finer the filler, the greater the oil absorption; the thicker the filler, the more impurities it contains, and the quality is not well controlled. Therefore, the preferred mesh number of the barite is 200 meshes to 800 meshes; the mesh number of the wollastonite is 200-600 meshes; the mesh number of the coarse whiting is 200 meshes to 400 meshes.
Wherein, the wollastonite powder has needle-shaped and fibrous crystal forms, higher whiteness and unique physical and chemical properties. The needle-shaped wollastonite fibers are in a needle-shaped structure and are mutually overlapped in the coating to form a three-dimensional net structure, and the needle-shaped wollastonite fiber three-dimensional net structure embedded and locked between the coatings, the emulsion and the lignocellulose resist the action of shearing force together in the drying process of the coating, so that the possibility of cracking is reduced.
Meanwhile, the dosage of the emulsion and the dosage of the filler are specially limited, the emulsion in the dosage can better coat the filler to form a continuous coating film, and the risk of cracking and powdering of the coating is greatly reduced.
Preferably, the filler accounts for 50 to 70 percent of the total weight of the raw materials of the anti-staining art paint, the proportion of the filler is lower than 50 percent, the shape is not obvious when thick coating is needed, and the coating is not plump; if the filler content is higher than 70%, the total amount of the liquid may be reduced, and the liquid may not be dispersed, and the emulsion may not completely wrap the filler, thereby causing cracking.
The lignocellulose is added, under the capillary action of the wood fiber structure, the moisture in the coating is rapidly transmitted to the surface and the interface of the coating, so that the moisture in the coating is uniformly distributed, the skinning phenomenon is obviously reduced, the bonding strength and the surface strength are obviously improved, and the anti-cracking effect is obviously achieved due to the reduction of the tension in the drying process.
Adding a silane coupling agent, wherein the silane coupling agent has a silane oxygen group and an organic functional group, the silane oxygen group has reactivity to inorganic matters, and the organic functional group has reactivity to organic matters. Therefore, when the silane coupling agent is between an inorganic interface and an organic interface, a bonding layer of an organic matrix, the silane coupling agent and an inorganic matrix can be formed, the cohesive force of the coating system is enhanced, the bonding force of the coating is integrally improved, the cracking caused by nonuniform stress when the inside and the outside are not uniformly dried during thick coating is prevented, and the cracking resistance is improved.
Preferably, the silane coupling agent is selected from one or more of gamma-aminopropyltriethoxysilane, gamma-glycidoxypropyltrimethoxysilane and gamma-methacryloxypropyltrimethoxysilane.
Under the combined action of the raw materials, the bonding performance of the whole coating system is improved, the coating is endowed with certain flexibility, bottom surface treatment is not needed, the coating can be thinly coated and can be thickly coated (3-10 mm) without cracking, the problem of coating cracking caused by non-bottom surface treatment thickness difference when a product is constructed and is put on a wall is avoided, and a good veneer effect is formed. Moreover, because the thick coating (3-10 mm) is not cracked, the thickness required by various artistic models can be met, and multiple models (such as napping, embossment, bark pattern, brick imitation and the like) can be built through different construction tools and construction processes. Moreover, after modeling, a cover surface is not needed, dirt resistance and dust prevention can be achieved, and daily cleaning can be achieved only by wiping with wet cloth. Overall, the coating disclosed by the invention has the characteristics of rich modeling, water resistance, alkali resistance, excellent scrubbing resistance, low cost, no cracking of thick coating (3-10 mm), high bonding strength, pollution resistance, dust prevention, reduction of dust adhesion and convenience for later-stage cleaning and maintenance. The art facing paint can realize multiple art shapes, can integrate the bottom surfaces and has good stain resistance.
In a preferred embodiment, the raw materials for preparing the art paint further comprise an ester compound, and the boiling point of the ester compound is higher than 250 ℃. After the high-boiling-point ester compound is added, the high-boiling-point ester compound can be adsorbed by polymer latex particles in the emulsion to soften the latex, so that the fusion can be completed in the process of forming a paint film, and the phenomenon that the film cannot be formed when the lowest film forming temperature of the emulsion is higher than the construction environment temperature is avoided. Meanwhile, the high-boiling-point ester compound belongs to non-VOC substances, and cannot cause pollution to air after volatilization. Its own product properties also improve paint rheology and pigment wetting.
In a preferred embodiment, the raw materials for preparing the artistic paint further comprise one or more of a preservative, a dispersing agent, a defoaming agent, an antifreezing agent, a thickening agent, a stabilizing agent, a pigment and a wetting agent.
Preferably, the raw materials for preparing the artistic coating comprise the following components in parts by mass:
100 portions and 180 portions of emulsion;
500 portions of filler and 700 portions;
3-6 parts of a silane coupling agent;
3-8 parts of lignocellulose;
5-12 parts of ester compounds;
0.5-1.5 parts of preservative;
1-5 parts of a dispersant;
1-5 parts of a defoaming agent;
4-12 parts of an antifreezing agent;
1.5-5 parts of a thickening agent;
0.3-1 part of a stabilizer;
0-80 parts of pigment;
and (3) water.
Preferably, the pigment is titanium dioxide. Titanium dioxide is the white pigment with the best performance, and the overall whiteness and covering power of the product can be increased in a system. Further preferably, the titanium dioxide is rutile titanium dioxide.
Preferably, the antifreezing agent is a glycol or glycol ether compound. The dihydric alcohol or the dihydric alcohol ether compound can change the freezing point of the system, so that the product is not frozen at low temperature. The solvent has the characteristics of excellent solubility, proper volatility, reaction activity and the like, can improve the flexibility of a system in the drying process, and avoids cracking of a coating caused by too fast drying in the drying process.
Further preferably, the antifreeze agent is selected from one or more of ethylene glycol, ethylene glycol ether, propylene glycol and propylene glycol ether.
Preferably, the thickener is selected from one or two of hydroxyethyl cellulose and an alkali swelling thickener. The thickening mechanism of the hydroxyethyl cellulose is mainly that a hydrophobic main chain of the hydroxyethyl cellulose forms hydrogen bonds with water, and polar groups on the structure interact to form a space network structure, so that the polymer rheological volume can be improved, the free movement of the polymer is limited, the viscosity of the coating is improved, the space network structure is damaged when shearing force is applied, the hydrogen bonds among molecules are damaged, the viscosity is reduced, the hydrogen bonds are formed again after the shearing force is removed, the space network structure is formed again, and the product is ensured to have good rheological property.
The coating is easy to generate bubbles in the production and use processes, and a large amount of stable bubbles are not beneficial to smooth production of the coating and the coating effect and performance in coating. The addition of the defoaming agent can inhibit the generation of bubbles and accelerate the breaking of the generated bubbles, thereby achieving the defoaming effect. Preferably, the defoaming agent is selected from one or more of polyethers, high-carbon alcohols, silicones, mineral oils and emulsifying waxes.
Preferably, the preservative is an aqueous broad spectrum preservative. The paint has high viscosity, can cause the temperature to rise in the later production period, and the main component of the aqueous broad-spectrum preservative is the aqueous dispersion of 1, 2-benzisothiazolin-3-one, is effective in the pH range of 4-12, has good temperature resistance, and has activity which is not influenced in a product system so as to prevent bacteria from breeding.
And adding a dispersing agent, wherein the dispersing agent is adsorbed on the surface of the solid particles, so that the interfacial tension between liquid and liquid or between solid and liquid is reduced, the surface of the coagulated solid particles is easy to wet, and the water requirement of the system is reduced. And meanwhile, an adsorption layer is formed on the surface of the solid particles, so that the degree of wetting the solid particles by water is increased, the solid particles are far away from each other due to electrostatic repulsion, the system is uniform, the suspension performance is improved, and no precipitation is caused.
The stabilizer is added, so that excellent pH stability can be given to the system, lignocellulose is fully dissolved, and the using amount is reduced; the synergistic dispersing pigment has positive effects on the storage stability of products and the presentation of coating gloss.
If the paint needs to be toned, a proper amount of wetting agent can be added to improve the color development of the product.
By adding the raw materials, the production stability and the storage stability of the coating product are improved comprehensively, the wall-mounting performance of the product is improved effectively, and a good decorative effect is formed.
The paint of the present invention may be used in indoor decoration and outdoor decoration.
A preparation method of an art coating comprises the following steps:
adding filler, lignocellulose, emulsion and silane coupling agent into water, and stirring and dispersing;
the emulsion comprises 180 parts by mass of 100-180 parts by mass of the emulsion; the mass part of the filler is 500-700 parts; 3-6 parts of the silane coupling agent; the mass part of the lignocellulose is 3-8 parts;
the emulsion comprises a first styrene-acrylic emulsion and a second styrene-acrylic emulsion, wherein the glass transition temperature of the first styrene-acrylic emulsion is 20-45 ℃, and the second styrene-acrylic emulsion is oil-resistant hydrophobic styrene-acrylic emulsion;
the filler is selected from at least two of barite, wollastonite and heavy calcium.
The raw materials are added in sequence according to the formula, so that the preparation operation is simple, and the construction is convenient.
In a preferred embodiment, the water amount required by production is weighed and added into a stirring kettle, the stirring kettle is opened, stirring is carried out at medium and low speed, weighed preservative, ester compound, dispersant, defoamer, antifreeze, pigment, wollastonite, lignocellulose and emulsion are sequentially added while stirring, stirring and dispersing are carried out for 5 minutes, then barite, thickener and silane coupling agent are sequentially added, stirring and dispersing are carried out for 10 minutes, then the rotating speed is increased to be medium-high rotating speed, stabilizer is added, stirring is carried out for 5-10 minutes until the mixed slurry has no coarse particles, discharging and packaging are carried out.
The artistic paint of the present invention may be used in different construction tools and technological process to create different artistic effect. For example, a napping roller is used to create a napping effect; spraying by a large-diameter spray gun, and flattening by a roller to build a relief effect; the bark veins and the brick imitating effect can be created by batch scraping with a batch knife.
The following examples and comparative examples are further described below, and the starting materials used in the following examples can be commercially available, unless otherwise specified, and the equipment used therein can be commercially available, unless otherwise specified. The details are as follows:
the aqueous broad spectrum preservative is oxel proxel BD 20; the ester compound is COASOL of Chemoxy company in UK, and has a boiling point of 274-289 ℃; the dispersant is Rohm and Hass OROTAN 1124; the defoaming agent is NXZ mineral oil defoaming agent of Novaceae; the antifreezing agent is Dow's 1, 3-propylene glycol; the silane coupling agent is a KH560 product produced by morning light chemical industry; wollastonite is a 400-mesh industrial product in Jiangxi Guangyuan chemical industry; barite is 400 mesh industrial product of Guangdong source epitaxy powder; the titanium dioxide is Sichuan python R-996 rutile type titanium dioxide; the lignocellulose is German Ruidenmei ARBOCEL ^ ZZC 500; the emulsion is a mixture of Badfu RS-998A and watt SAF9000, and the mixing mass ratio of the two is 3:2, wherein the Badfei RS-998A is first styrene-acrylic emulsion, the glass transition temperature is 27 ℃, and the Wacker SAF9000 is second styrene-acrylic emulsion which is oil-resistant hydrophobic styrene-acrylic emulsion; the hydroxyethyl cellulose is Natrosol of Hish America 250 HHBR; the stabilizer is Dow AMP-95.
Example 1
The embodiment provides a stain-resistant multi-modeling art coating and a preparation method and a construction method thereof. The method comprises the following steps:
1) weighing the following raw materials: 1.5kg of aqueous broad-spectrum preservative, 6kg of ester compound, 2.2kg of dispersant, 3kg of defoaming agent, 5kg of antifreezing agent, 200kg of wollastonite, 500kg of barite, 3.6kg of silane coupling agent, 5kg of lignocellulose, 100kg of emulsion, 3.2kg of hydroxyethyl cellulose, 0.5kg of stabilizer and 170kg of tap water, and the total amount is 1000 kg.
2) Adding tap water into a stirring kettle, starting the stirring kettle, stirring at 700r/min, sequentially adding weighed aqueous broad-spectrum preservative, ester compound, dispersant, defoamer, antifreeze, wollastonite, lignocellulose and emulsion while stirring, stirring and dispersing for 5 minutes, then sequentially adding barite, hydroxyethyl cellulose and silane coupling agent, stirring and dispersing for 10 minutes, increasing the rotation speed to 1200r/min, adding stabilizer, stirring for 5-10 minutes until the mixed slurry has no coarse particles, discharging and packaging.
3) The paint is coated on the wall surface which is not leveled by putty and is not coated with primer, a napping roller is used for creating a napping effect, the finish paint is not coated, and the coating effect is shown as figure 1.
Example 2
The embodiment provides a stain-resistant multi-modeling art coating and a preparation method and a construction method thereof. The method comprises the following steps:
1) weighing the following raw materials: 1.5kg of aqueous broad-spectrum preservative, 7.2kg of ester compound, 2.3kg of dispersing agent, 3kg of defoaming agent, 6kg of antifreezing agent, 300kg of wollastonite, 400kg of barite, 3.6kg of silane coupling agent, 5kg of lignocellulose, 120kg of emulsion, 3.0kg of hydroxyethyl cellulose, 0.5kg of stabilizer and 147.9kg of tap water, wherein the total amount is 1000 kg.
2) Adding tap water into a stirring kettle, starting the stirring kettle, stirring at 700r/min, sequentially adding weighed aqueous broad-spectrum preservative, ester compound, dispersant, defoamer, antifreeze, wollastonite, lignocellulose and emulsion while stirring, stirring and dispersing for 5 minutes, then sequentially adding barite, hydroxyethyl cellulose and silane coupling agent, stirring and dispersing for 10 minutes, increasing the rotation speed to 1200r/min, adding stabilizer, stirring for 5-10 minutes until the mixed slurry has no coarse particles, discharging and packaging.
3) The paint is coated on the wall surface which is not leveled by putty and is not coated with primer, a large-caliber spray gun is used for spraying, and then a roller is used for flattening, so that the relief effect is created, the finish paint is not coated, and the coating effect is shown in figure 2.
Example 3
The embodiment provides a stain-resistant multi-modeling art coating and a preparation method and a construction method thereof. The method comprises the following steps:
1) weighing the following raw materials: 1.5kg of aqueous broad-spectrum preservative, 9kg of ester compound, 2.4kg of dispersant, 3kg of defoaming agent, 7kg of antifreezing agent, 350kg of wollastonite, 350kg of barite, 4.5kg of silane coupling agent, 6kg of lignocellulose, 150kg of emulsion, 2.8kg of hydroxyethyl cellulose, 0.5kg of stabilizer and 113.3kg of tap water, wherein the total amount is 1000 kg.
2) Adding tap water into a stirring kettle, starting the stirring kettle, stirring at 700r/min, sequentially adding weighed aqueous broad-spectrum preservative, ester compound, dispersant, defoamer, antifreeze, wollastonite, lignocellulose and emulsion while stirring, stirring and dispersing for 5 minutes, then sequentially adding barite, hydroxyethyl cellulose and silane coupling agent, stirring and dispersing for 10 minutes, increasing the rotation speed to 1200r/min, adding stabilizer, stirring for 5-10 minutes until the mixed slurry has no coarse particles, discharging and packaging.
3) The paint is coated on the wall surface which is not leveled by putty and is not coated with primer, a batch scraper is used for scraping to create a bark line effect, and the finish paint is not coated, so that the coating effect is shown in figure 3.
Example 4
The embodiment provides a stain-resistant multi-modeling art coating and a preparation method and a construction method thereof. The method comprises the following steps:
1) weighing the following raw materials: 1.5kg of aqueous broad-spectrum preservative, 10.8kg of ester compound, 2.5kg of dispersing agent, 3kg of defoaming agent, 8kg of antifreezing agent, 400kg of wollastonite, 300kg of barite, 5.4kg of silane coupling agent, 6kg of lignocellulose, 180kg of emulsion, 2.7kg of hydroxyethyl cellulose, 0.5kg of stabilizer and 79.6kg of tap water, wherein the total amount is 1000 kg. A
2) Adding tap water into a stirring kettle, starting the stirring kettle, stirring at 700r/min, sequentially adding weighed aqueous broad-spectrum preservative, ester compound, dispersant, defoamer, antifreeze, wollastonite, lignocellulose and emulsion while stirring, stirring and dispersing for 5 minutes, then sequentially adding barite, hydroxyethyl cellulose and silane coupling agent, stirring and dispersing for 10 minutes, increasing the rotation speed to 1200r/min, adding stabilizer, stirring for 5-10 minutes until the mixed slurry has no coarse particles, discharging and packaging.
3) The paint is coated on the wall surface which is not leveled by putty and is not coated with primer, a batch scraper is used for scraping, the brick imitating effect is created, the finish paint is not coated, and the coating effect is shown in figure 4.
Example 5
The embodiment provides a stain-resistant multi-modeling art paint and a preparation method thereof. The steps are as follows
1) Weighing the following raw materials: 1.5kg of aqueous broad-spectrum preservative, 9kg of ester compound, 2.4kg of dispersing agent, 3kg of defoaming agent, 7kg of antifreezing agent, 300kg of wollastonite, 50kg of titanium dioxide, 350kg of barite, 4.5kg of silane coupling agent, 6kg of lignocellulose, 150kg of emulsion, 2.8kg of hydroxyethyl cellulose, 0.5kg of stabilizer and 113.3kg of tap water, wherein the total amount is 1000 kg.
2) Adding tap water into a stirring kettle, starting the stirring kettle, stirring at 700r/min, sequentially adding weighed aqueous broad-spectrum preservative, ester compound, dispersant, defoamer, antifreeze, titanium white, wollastonite, lignocellulose and emulsion while stirring, stirring and dispersing for 5 minutes, then sequentially adding barite, hydroxyethyl cellulose and silane coupling agent, stirring and dispersing for 10 minutes, increasing the rotating speed to 1200r/min, adding stabilizer, stirring for 5-10 minutes until the mixed slurry has no coarse particles, discharging and packaging.
Comparative example 1
The comparative example provides an artistic coating and a preparation method and a construction method thereof, and the main difference from the example 3 is that: the emulsion was replaced with a mixture of synthetic emulsion YS-8208 (from Guangdong silver resin with a Tg of-5 ℃) and Wake SAF9000 in a mass ratio of 3:2, and the following steps were carried out:
1) weighing the following raw materials: 1.5kg of aqueous broad-spectrum preservative, 9kg of ester compound, 2.4kg of dispersant, 3kg of defoaming agent, 7kg of antifreezing agent, 350kg of wollastonite, 350kg of barite, 4.5kg of silane coupling agent, 6kg of lignocellulose, 150kg of emulsion, 2.8kg of hydroxyethyl cellulose, 0.5kg of stabilizer and 113.3kg of tap water, wherein the total amount is 1000 kg.
2) Adding tap water into a stirring kettle, starting the stirring kettle, stirring at 700r/min, sequentially adding weighed aqueous broad-spectrum preservative, ester compound, dispersant, defoamer, antifreeze, wollastonite, lignocellulose and emulsion while stirring, stirring and dispersing for 5 minutes, then sequentially adding barite, hydroxyethyl cellulose and silane coupling agent, stirring and dispersing for 10 minutes, increasing the rotation speed to 1200r/min, adding stabilizer, stirring for 5-10 minutes until the mixed slurry has no coarse particles, discharging and packaging.
Comparative example 2
The comparative example provides an artistic coating and a preparation method and a construction method thereof, and the main difference from the example 3 is that: the emulsion was replaced with watt SAF9000, the procedure was as follows:
1) weighing the following raw materials: 1.5kg of aqueous broad-spectrum preservative, 9kg of ester compound, 2.4kg of dispersant, 3kg of defoaming agent, 7kg of antifreezing agent, 350kg of wollastonite, 350kg of barite, 4.5kg of silane coupling agent, 6kg of lignocellulose, 150kg of emulsion, 2.8kg of hydroxyethyl cellulose, 0.5kg of stabilizer and 113.3kg of tap water, wherein the total amount is 1000 kg.
2) Adding tap water into a stirring kettle, starting the stirring kettle, stirring at 700r/min, sequentially adding weighed aqueous broad-spectrum preservative, ester compound, dispersant, defoamer, antifreeze, wollastonite, lignocellulose and emulsion while stirring, stirring and dispersing for 5 minutes, then sequentially adding barite, hydroxyethyl cellulose and silane coupling agent, stirring and dispersing for 10 minutes, increasing the rotation speed to 1200r/min, adding stabilizer, stirring for 5-10 minutes until the mixed slurry has no coarse particles, discharging and packaging.
Comparative example 3
The comparative example provides an artistic coating and a preparation method and a construction method thereof, and the main difference from the example 3 is that: the filler is replaced by 600 meshes of talcum powder in Liaoning Heshan chemical industry, and the steps are as follows:
1) weighing the following raw materials: 1.5kg of aqueous broad-spectrum preservative, 9kg of ester compound, 2.4kg of dispersant, 3kg of defoaming agent, 7kg of antifreezing agent, 700kg of 600-mesh talcum powder, 4.5kg of silane coupling agent, 6kg of lignocellulose, 150kg of emulsion, 2.8kg of hydroxyethyl cellulose, 0.5kg of stabilizer and 113.3kg of tap water, wherein the total amount is 1000 kg.
2) Adding tap water into a stirring kettle, starting the stirring kettle, stirring at 700r/min, sequentially adding weighed aqueous broad-spectrum preservative, ester compound, dispersant, defoamer, antifreeze, lignocellulose and emulsion while stirring, stirring and dispersing for 5 minutes, then sequentially adding talcum powder, hydroxyethyl cellulose and silane coupling agent, stirring and dispersing for 10 minutes, then increasing the rotating speed to 1200r/min, adding stabilizer, stirring for 5-10 minutes until the mixed slurry has no coarse particles, discharging and packaging.
Comparative example 4
The comparative example provides an artistic coating and a preparation method and a construction method thereof, and the main difference from the example 3 is that: without addition of lignocellulose, the procedure was as follows:
1) weighing the following raw materials: 1.5kg of aqueous broad-spectrum preservative, 9kg of ester compound, 2.4kg of dispersing agent, 3kg of defoaming agent, 7kg of antifreezing agent, 350kg of wollastonite, 350kg of barite, 4.5kg of silane coupling agent, 150kg of emulsion, 2.8kg of hydroxyethyl cellulose, 0.5kg of stabilizing agent and 119.3kg of tap water, and the total amount is 1000 kg.
2) Adding tap water into a stirring kettle, starting the stirring kettle, stirring at 700r/min, sequentially adding weighed aqueous broad-spectrum preservative, ester compound, dispersant, defoamer, antifreeze, wollastonite and emulsion while stirring, stirring and dispersing for 5 minutes, then sequentially adding barite, hydroxyethyl cellulose and silane coupling agent, stirring and dispersing for 10 minutes, then increasing the rotating speed to 1200r/min, adding stabilizer, stirring for 5-10 minutes until the mixed slurry has no coarse particles, discharging and packaging.
The test method comprises the following steps: the coatings of the above examples and comparative examples were tested without primer and without finish according to the standard "JG/T24-2018 synthetic resin emulsion sand wall architectural coatings". The results are shown in tables 1 and 2.
TABLE 1
TABLE 2
As can be seen from the figures 1-4, the art coating of the invention does not crack when being thick coated, does not need putty leveling, primer and top coat, and can generate texture such as napping, embossment, bark texture, brick imitation and the like by batch scraping operation on the wall surface by various batch scraping tools. Meanwhile, the artistic coating disclosed by the invention is good in cracking resistance, high in bonding strength, good in stain resistance and high in stability as shown in Table 1.
In comparative example 2, if the emulsion is all watt SAF9000, the stain resistance of the coating is better, however, the price of the watt SAF9000 is 4 times or 5 times that of the common styrene-acrylic emulsion, if the emulsion is all used SAF9000, the formulation cost is too high and is not practical, and after the emulsion is all used SAF9000, the bonding strength of the coating is lower. On the basis, in comparative example 1, after a part of the watt SAF9000 is replaced by the ordinary emulsion with low cost, the stain resistance of the artistic coating is obviously reduced.
Comparative example 3 Talc powder was added as a filler and the thick art coating was prone to cracking. Comparative example 4 no lignocellulose was added and the thick art paint also developed slight cracks.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (14)
1. The artistic coating is characterized by comprising the following preparation raw materials in parts by mass:
100 portions and 180 portions of emulsion;
500 portions of filler and 700 portions;
3-6 parts of a silane coupling agent;
3-8 parts of lignocellulose;
water;
the emulsion comprises a first styrene-acrylic emulsion and a second styrene-acrylic emulsion, wherein the glass transition temperature of the first styrene-acrylic emulsion is 20-45 ℃, and the second styrene-acrylic emulsion is oil-resistant hydrophobic styrene-acrylic emulsion;
the filler is selected from at least two of barite, wollastonite and heavy calcium.
2. The art paint as claimed in claim 1, wherein the mass ratio of the first styrene-acrylic emulsion to the second styrene-acrylic emulsion is 3 (1-3).
3. An art paint as claimed in claim 1, wherein the filler is selected from the group consisting of barite and wollastonite in combination, or from the group consisting of barite and heavy calcium, or from the group consisting of barite, silica fume and heavy calcium.
4. An art paint as claimed in claim 3, wherein the barite has a mesh size of 200-800 mesh; the mesh number of the wollastonite is 200-600 meshes; the mesh number of the coarse whiting is 200 meshes to 400 meshes.
5. An art paint as claimed in claim 1, wherein the silane coupling agent is selected from one or more of gamma-aminopropyltriethoxysilane, gamma-glycidoxypropyltrimethoxysilane and gamma-methacryloxypropyltrimethoxysilane.
6. An art paint as claimed in any one of claims 1 to 5, wherein the raw material for preparation further comprises an ester compound, and the boiling point of the ester compound is higher than 250 ℃.
7. An art paint as claimed in claim 6, wherein the raw materials further include one or more of preservative, dispersant, defoamer, antifreeze, thickener, stabilizer, pigment and wetting agent.
8. An art paint as claimed in claim 7, which is prepared from the following raw materials in parts by mass:
100 portions and 180 portions of emulsion;
500 portions of filler and 700 portions;
3-6 parts of a silane coupling agent;
3-8 parts of lignocellulose;
5-12 parts of ester compounds;
0.5-1.5 parts of preservative;
1-5 parts of a dispersant;
1-5 parts of a defoaming agent;
4-12 parts of an antifreezing agent;
1.5-5 parts of a thickening agent;
0.3-1 part of a stabilizer;
0-80 parts of pigment;
and (3) water.
9. An art paint according to claim 7 or 8, wherein the pigment is titanium dioxide.
10. An art paint as claimed in claim 7 or 8, wherein the anti-freezing agent is a glycol or glycol ether compound.
11. An art paint as claimed in claim 7 or 8, wherein the thickener is selected from one or both of hydroxyethyl cellulose and alkali swelling thickener.
12. An art paint as claimed in claim 7 or 8, wherein the defoaming agent is selected from one or more of polyethers, high carbon alcohols, silicones, mineral oils and emulsifying waxes.
13. An art paint according to claim 7 or 8, wherein the preservative is an aqueous broad spectrum preservative.
14. The preparation method of the artistic coating is characterized by comprising the following steps:
adding filler, lignocellulose, emulsion and silane coupling agent into water, and stirring and dispersing;
the emulsion comprises 180 parts by mass of 100-180 parts by mass of the emulsion; the mass part of the filler is 500-700 parts; 3-6 parts of the silane coupling agent; the mass part of the lignocellulose is 3-8 parts;
the emulsion comprises a first styrene-acrylic emulsion and a second styrene-acrylic emulsion, wherein the glass transition temperature of the first styrene-acrylic emulsion is 20-45 ℃, and the second styrene-acrylic emulsion is oil-resistant hydrophobic styrene-acrylic emulsion;
the filler is selected from at least two of barite, wollastonite and heavy calcium.
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| CN116239917A (en) * | 2023-03-02 | 2023-06-09 | 福建比美特环保集团有限公司 | Environment-friendly artistic coating and preparation method thereof |
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