CN115678372A - Novel colorful stone-like paint and preparation method thereof - Google Patents
Novel colorful stone-like paint and preparation method thereof Download PDFInfo
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Abstract
The invention relates to the technical field of coatings, in particular to a novel colorful stone-like paint and a preparation method thereof. The novel colorful stone-like paint comprises the following components in parts by weight: 50-60 parts of toning base paint, 20-30 parts of protective glue solution and 10-30 parts of continuous phase emulsion. By optimizing the raw material selection and components, especially under the interaction among cellulose, a suspending agent, a film forming auxiliary agent, emulsion, a wetting agent, a multifunctional auxiliary agent, a filler and a rheological auxiliary agent, the product forms stable colorful stone-like paint particles. The colorful stone-like paint has stable structure, good particle dispersibility, difficult layering phenomenon during storage, safe use and effectively prolonged storage time and application range.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a novel colorful stone-like paint and a preparation method thereof.
Background
The colorful stone-like paint is a paint with a decoration effect similar to natural stone, is mainly prepared from natural stone powder with different colors and water-based environment-friendly materials, has the characteristics of natural color, good decoration effect, low production cost, water resistance, stain resistance and the like, can effectively prevent the erosion of outside illumination, moisture, atmosphere and the like to buildings, prolongs the service life of the buildings, and has better decoration effect.
The existing colorful paint in the market basically adopts a water-in-water mode, and has the problems of complex production process, short storage time, inconvenient construction and smooth and lack of texture on a plane. The sand-in-water mode is gradually favored by people because of richer and fuller simulation degree and high weather resistance.
The existing water-coated sand multicolor paint easily causes the sedimentation problem of the color grains due to the fact that the color grains contain high-density color sand, and meanwhile, when the wrapping strength of the water-coated sand basic paint to the color sand is not enough, the color grains are easy to break, bleed and the like, and the construction spraying and the later storage stability are seriously influenced.
Chinese patent publication No. CN 110527384A discloses a sand-in-water base paint, a preparation method thereof and a sand-in-water coating, wherein expanded vitrified micro bubbles are added into the sand-in-water base paint, so as to reduce the specific gravity of particles in the sand-in-water base paint, improve the suspension of particles in the sand-in-water coating prepared from the sand-in-water base paint, and improve the stability of colored particles. However, the expanded and vitrified small balls have fine grain diameter and light density, and are very easy to stay in the air in the production process and inhaled into the lungs by production personnel, so that the damage is caused.
Disclosure of Invention
Aiming at the problems, the invention provides a novel colorful stone-like paint which has better comprehensive performance, good stability, good particle dispersibility, difficult layering phenomenon during storage, safe use and effectively prolonged storage time and application range.
The invention aims to provide a novel colorful stone-like paint which comprises the following components in parts by weight: 50-60 parts of toning base paint, 20-30 parts of protective glue solution and 10-30 parts of continuous phase emulsion.
Preferably, the colorful stone-like paint comprises 55 parts of color-mixing base paint, 25 parts of protective glue solution and 20 parts of continuous phase emulsion by weight.
Preferably, the toning base paint comprises the following raw materials in parts by weight: 25 to 35 portions of deionized water, 0.2 to 0.4 portion of suspending agent, 0.4 to 0.6 portion of cellulose, 0.1 to 0.3 portion of wetting agent, 2 to 4 portions of titanium pigment, 0.1 to 0.3 portion of defoamer A, 0.1 to 0.3 portion of multifunctional additive, 20 to 40 portions of emulsion, 1 to 3 portions of antifreeze, 2.0 to 2.8 portions of film forming additive, 0.1 to 0.3 portion of antiseptic bactericide, 0.1 to 0.3 portion of defoamer B, 0.1 to 0.3 portion of rheological additive, 0.5 to 1.5 portions of modified pre-sol, 10 to 30 portions of colored sand and 5 to 15 portions of snowflake white sand;
the protective glue solution comprises the following raw materials in parts by weight: 85 to 95 parts of deionized water, 5 to 15 parts of filler, 0.2 to 0.4 part of suspending agent and 0.1 to 0.3 part of antiseptic bactericide;
the continuous phase emulsion comprises the following raw materials in parts by weight: 7 to 15 portions of deionized water, 70 to 90 portions of emulsion, 4 to 8 portions of film forming additive, 1 to 3 portions of antifreeze, 0.1 to 0.3 portion of defoamer B, 0.2 to 0.4 portion of multifunctional additive, 0.1 to 0.3 portion of antiseptic bactericide and 0.2 to 0.4 portion of rheological additive.
Preferably, the suspending agent is any commercially available bentonite, preferably bentonite 401, bentonite GTS, bentonite S482;
the cellulose is hydroxyethyl modified cellulose or hydroxypropyl methyl cellulose;
the wetting agent is wetter399 or LCN-407;
the multifunctional auxiliary agent is AMP-95;
the antifreezing agent is propylene glycol or ethylene glycol;
the film-forming assistant is alcohol ester twelve, and compared with other film-forming assistants, the alcohol ester twelve has the advantages of small using amount, low film-forming temperature, good film leveling property and exhibition property, low freezing point, good hydrolytic stability and low toxicity;
the antiseptic bactericide is any one of commercially available antiseptic bactericides, preferably cason and BIT;
the rheological additive is an alkali swelling thickener, preferably an associative thickener;
the modified pre-sol is modified silica sol.
Preferably, the emulsion is one or two of pure acrylic emulsion or silicone acrylic emulsion, the silicone acrylic emulsion has high temperature resistance, weather resistance and stain resistance, the pure acrylic emulsion has excellent adhesive force and weather resistance and can be dried by air at normal temperature, and a paint film coating prepared from the obtained colorful stone-like paint particles has high softness.
Preferably, the defoaming agent A is Foamex 830, the Foamex 830 contains hydrophobic fumed silica particles, the dispersibility of the coating can be improved, the surface energy is high, the capacity of adsorbing bubbles is very strong, and the bubbles can be effectively eliminated;
the defoaming agent B is Surfynol 104E, the main component of the Surfynol 104E is decyltetramethyldecynediol, the defoaming agent B has strong permeability and wettability, the surface tension reducing capability is strong, and bubbles can be effectively eliminated.
Preferably, the granularity of the colored sand is 80-120 meshes, and the color is one or more of white, brown, black, yellow, red, green, blue, purple, orange and pink;
the granularity of the snowflake white sand is 40-80 meshes.
Preferably, the filler is modified silica-alumina powder, and preferably is modified superfine silica-alumina powder.
The second purpose of the invention is to provide a preparation method of the novel colorful stone-like paint, which comprises the following steps:
s1, preparing a protective colloid solution: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, slowly adding filler, a suspending agent and an anticorrosive bactericide when the rotating speed is 600-800 rpm, increasing the rotating speed to 1000-1200 rpm after the addition, and dispersing for 45-60 min to obtain a protective adhesive solution for later use;
s2, preparing a continuous phase emulsion: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, adding an anticorrosive bactericide when the rotating speed is 300-500 rpm, stirring for 1-2 min, then increasing the rotating speed to 500-800 rpm, sequentially adding an emulsion, a film-forming aid, an antifreezing agent, a defoaming agent B and a multifunctional aid, stirring for 1-2 min, increasing the rotating speed to 800-1000 rpm, adding a rheological aid, and continuously stirring for 10min to obtain a continuous phase emulsion for later use;
s3, preparing a toning base paint: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, and sequentially adding an anticorrosive bactericide, bentonite, cellulose, a modified pre-sol, titanium dioxide, a defoaming agent A and a multifunctional auxiliary agent at the rotating speed of 400-600 rpm; increasing the rotating speed to 1200-1400 rpm along with the increase of the viscosity of the system, and dispersing at high speed for 20-30 min; stopping the machine to test the fineness of the slurry, reducing the rotating speed to 900-1100 rpm when the fineness is less than 50 mu m, sequentially adding the emulsion, the antifreezing agent, the film forming additive, the defoaming agent B and the wetting agent, finally adjusting the viscosity of the base paint to a proper value by using the rheological additive, adding the colored sand and the snowflake white sand, and continuously stirring for about 10min to obtain the toning base paint.
And S4, preparing the colorful stone-like paint, adding the color-mixed base paint into the protective glue solution after color mixing, granulating by using a slicer, adding the continuous phase emulsion after uniformly mixing the color grains of various colors, and uniformly stirring to obtain the sand-in-water colorful stone-like paint.
Furthermore, the rheological additive is diluted by deionized water before use, and the ratio of the rheological additive to the water is 1:9, adjusting the viscosity to 125-130 ku.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, two different defoaming agents are selected, because the defoaming agents have strong pertinence, various additives are often added in the production process of the coating, in order to improve the defoaming performance, two different defoaming agents are specially selected for combined use, so that a better defoaming effect is achieved, the phenomenon that the coating is not uniformly mixed or needle holes appear is effectively avoided, and the phenomenon that the coating is layered due to precipitation of particle substances in the later storage or transportation process is avoided.
2. The associative thickener is anionic acrylate copolymer emulsion with carboxylic acid group in its molecular chain, so that it has low pH value and needs to regulate pH value to 8-9 for excellent thickening effect. The associative thickener has 2 or more oleophilic groups, has the action of a surfactant in water to form micelles, and forms an integral structure through connection because the oleophilic groups are not necessarily in the same micelle. The oleophylic group in the associative thickener can also adsorb emulsion particles and colored sand particles, so that the structural stability is enhanced. The particles bridged by the macromolecules of the thickening agent form a physical network structure which can be gradually damaged in a shearing field, so that the flowing property of the system can be controlled, the defect that the fluidity leveling property of the coating is deteriorated because the viscosity of the colloidal dispersion is usually higher when the shearing rate is low is overcome, the filler precipitation can be effectively prevented, the coating is endowed with good physical and mechanical stability, and the rheological property of the construction process is controlled. The invention selects the associative thickener, has good covering power and leveling property, can be adsorbed with latex particles, does not generate unfavorable phenomena such as flocculation and the like, and has good water resistance and wiping resistance.
3. The modified superfine aluminum silicate is selected as the protective adhesive filler, has superfine particles and excellent suspension property, and can effectively avoid the phenomenon of layering caused by precipitation of particulate matters in the coating.
4. AMP-95 is a multifunctional amine auxiliary agent, can adjust the pH value of the emulsion adhesive, has the functions of wetting and dispersing, can prevent the pigment from re-agglomerating, and effectively prevents the coating from layering. Meanwhile, compared with the common ammonia water regulator in the coating, the AMP-95 has low smell and is safer and more environment-friendly to use.
5. The cason has the advantages of strong antibacterial ability, small application dosage, good compatibility, low toxicity and the like, has strong antibacterial action on various bacteria and fungi, has better compatibility and wider pH application range, and can be naturally biodegraded; the BIT bactericide is a new generation of important broad-spectrum preservative, has the capability of killing various bacteria, fungi and yeasts in a broad-spectrum and long-acting manner, has a wider applicable pH range than similar products, and has low toxicity. Can endow the paint with excellent anti-mildew and sterilization effects and prolong the storage time of the paint.
6. The wetting agent is wetter399 or LCN-407, the surface of which contains a large number of hydroxyl groups and can generate crosslinking action with protective glue, so that a hydrophobic film on the surface of the color particle is more compact; the cellulose is hydroxyethyl modified cellulose or hydroxypropyl methyl cellulose, can generate a cross-linking reaction with a protective glue solution, and the hydrophobic group can also perform an association reaction with the continuous phase emulsion, so that a layer of compact film is more easily formed on the surface of the color particles, the stability of a color particle system is improved, the layering phenomenon during long-term storage is avoided, the bleeding problem of the sand-in-water multicolor coating can be improved, and the viscosity and the toughness of the color particles are improved. The modified silica sol is added into the color-mixing base paint, belongs to a colloidal solution, is odorless and nontoxic, and has a large number of gaps among structures due to the special space structure, so that other substances such as color particles can be adsorbed, silicon oxide can be formed among the color particles, and the modified silica sol has large adhesion, can further improve the stability of a color particle system, avoids the layering phenomenon during long-term storage, can improve the bleeding problem of the sand-in-water multicolor paint, and improves the viscosity and toughness of the color particles.
7. The snowflake white sand and the color sand are selected from different grain sizes and proportions, so that the coating is endowed with rich simulation degree and fullness.
8. Through the selection of raw materials and the optimization of components, particularly under the interaction among cellulose, a suspending agent, a film-forming assistant, an emulsion, a wetting agent, a multifunctional assistant, a filler and a rheological assistant, the product forms stable colorful stone-like paint particles. Compared with the prior art, the novel colorful stone-like paint has the advantages that the storage stability and the transportation stability of products are obviously improved, the novel colorful stone-like paint which is good in structural stability, good in particle dispersibility, not prone to layering during storage and safe to use is obtained, and the storage time and the application range of the colorful stone-like paint are effectively prolonged.
Detailed Description
In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments in the embodiments of the present invention.
Example 1: preparation of multi-color stone-like paint
A preparation method of a novel colorful stone-like paint comprises the following steps:
s1, preparing a protective glue solution: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, slowly adding 10 parts of modified superfine aluminum silicate powder, 0.3 part of bentonite 401 and 0.2 part of BIT when the rotating speed is 700rpm, increasing the rotating speed to 1100rpm after the adding is finished, and dispersing for 50min to obtain a protective adhesive solution for later use;
s2, preparing a continuous phase emulsion: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, adding 0.2 part of kasong when the rotating speed is 400rpm, stirring for 1.5min, then increasing the rotating speed to 800rpm, sequentially adding 80 parts of pure acrylic emulsion, 2 parts of propylene glycol, 6 parts of alcohol ester dodeca, 0.2 part of Surfynol 104E and 0.3 part of AMP-95, stirring for 1.5min, increasing the rotating speed to 900rpm, adding 0.3 part of associative thickener, and continuously stirring for 10min to obtain continuous phase emulsion for later use;
s3, preparing color-mixing base paint: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, and sequentially adding 0.2 part of kasong, 0.3 part of bentonite 401, 0.5 part of hydroxyethyl modified cellulose, 1 part of modified silica sol, 3 parts of titanium dioxide, 0.2 part of Foamex 830 and 0.2 part of AMP-95 at the rotating speed of 500 rpm; increasing the rotating speed to 1300rpm along with the increase of the viscosity of the system, and dispersing at a high speed for 25min; stopping the machine to test the fineness of the slurry, reducing the rotating speed to 1000rpm after the fineness is less than 50 mu m, sequentially adding 30 parts of pure acrylic emulsion, 2 parts of propylene glycol, 2.4 parts of alcohol ester dodeca, 0.2 part of Surfynol 104E and 0.2 part of wetter399, finally adjusting the base paint to proper viscosity by using 0.2 part of associative thickener, adding 20 parts of colored sand and 10 parts of snowflake white sand, and continuously stirring for about 10min to obtain the toning base paint.
0.2 part of the associative thickener is diluted with 1.8 parts of deionized water before use.
S4, preparing the colorful stone-like paint, adding the color-mixed base paint into the protective glue solution after color mixing, granulating by using a slicer, adding the continuous phase emulsion after uniformly mixing the color grains of various colors, and uniformly stirring to obtain the sand-in-water colorful stone-like paint. Wherein the color matching base paint is as follows: protective glue solution: the weight ratio of the continuous phase emulsion is 55:25:20.
example 2: preparation of multi-colour stone-like paint
A preparation method of a novel colorful stone-like paint comprises the following steps:
s1, preparing a protective adhesive solution: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, slowly adding 10 parts of modified superfine aluminum silicate powder, 0.3 part of bentonite 401 and 0.2 part of BIT when the rotating speed is 600rpm, increasing the rotating speed to 1000rpm after the adding is finished, and dispersing for 45min to obtain a protective adhesive solution for later use;
s2, preparing a continuous phase emulsion: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, adding 0.2 part of kason when the rotating speed is 300rpm, stirring for 1min, then increasing the rotating speed to 500rpm, sequentially adding 80 parts of pure acrylic emulsion, 2 parts of propylene glycol, 6 parts of alcohol ester dodeca, 0.2 part of Surfynol 104E and 0.3 part of AMP-95, stirring for 1min, increasing the rotating speed to 800rpm, adding 0.3 part of associative thickener, and continuously stirring for 10min to obtain continuous phase emulsion for later use;
s3, preparing a toning base paint: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, and sequentially adding 0.2 part of kasong, 0.3 part of bentonite 401, 0.5 part of hydroxyethyl modified cellulose, 1 part of modified silica sol, 3 parts of titanium dioxide, 0.2 part of Foamex 830 and 0.2 part of AMP-95 at the rotating speed of 400 rpm; increasing the rotating speed to 1200rpm along with the increase of the viscosity of the system, and dispersing at a high speed for 20min; stopping the machine to test the fineness of the slurry, reducing the rotating speed to 900rpm when the fineness is less than 50 mu m, sequentially adding 30 parts of pure acrylic emulsion, 2 parts of propylene glycol, 2.4 parts of dodecyl alcohol ester, 0.2 part of Surfynol 104E and 0.2 part of wetter399, finally adjusting the viscosity of the base paint to be proper by using 0.2 part of associative thickener, adding 20 parts of colored sand and 10 parts of snowflake white sand, and continuously stirring for about 10min to obtain the toning base paint.
0.2 part of the associative thickener is diluted with 1.8 parts of deionized water before use.
S4, preparing the colorful stone-like paint, adding the color-mixed base paint into the protective glue solution after color mixing, granulating by using a slicer, adding the continuous phase emulsion after uniformly mixing the color grains of various colors, and uniformly stirring to obtain the sand-in-water colorful stone-like paint. Wherein the color matching base paint is as follows: protective glue solution: the weight portion ratio of the continuous phase emulsion is 50:20:10.
example 3: preparation of multi-colour stone-like paint
A preparation method of a novel colorful stone-like paint comprises the following steps:
s1, preparing a protective adhesive solution: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, slowly adding 10 parts of modified superfine aluminum silicate powder, 0.3 part of bentonite 401 and 0.2 part of BIT when the rotating speed is 800rpm, increasing the rotating speed to 1200rpm after the adding is finished, and dispersing for 60min to obtain a protective glue solution for later use;
s2, preparing a continuous phase emulsion: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, adding 0.2 part of kason when the rotation speed is 500rpm, stirring for 2min, then increasing the rotation speed to 800rpm, sequentially adding 80 parts of pure acrylic emulsion, 2 parts of propylene glycol, 6 parts of alcohol ester dodeca, 0.2 part of Surfynol 104E and 0.3 part of AMP-95, stirring for 2min, increasing the rotation speed to 1000rpm, adding 0.3 part of associative thickener, and continuously stirring for 10min to obtain continuous phase emulsion for later use;
s3, preparing color-mixing base paint: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, and sequentially adding 0.2 part of kason, 0.3 part of bentonite 401, 0.5 part of hydroxyethyl modified cellulose, 1 part of modified silica sol, 3 parts of titanium dioxide, 0.2 part of Foamex 830 and 0.2 part of AMP-95 at the rotating speed of 600 rpm; increasing the rotating speed to 1400rpm along with the increase of the viscosity of the system, and dispersing for 30min at a high speed; stopping the machine to test the fineness of the slurry, reducing the rotating speed to 1100rpm when the fineness is less than 50 mu m, sequentially adding 30 parts of pure acrylic emulsion, 2 parts of propylene glycol, 2.4 parts of dodecyl alcohol ester, 0.2 part of Surfynol 104E and 0.2 part of wetter399, finally adjusting the viscosity of the base paint to be proper by using 0.2 part of associative thickener, adding 20 parts of colored sand and 10 parts of snowflake white sand, and continuously stirring for about 10min to obtain the toning base paint.
0.2 part of the associative thickener is diluted with 1.8 parts of deionized water before use.
S4, preparing the colorful stone-like paint, namely mixing colors of the color-mixed base paint, adding the color-mixed base paint into a protective glue solution, granulating by using a slicer, uniformly mixing the color grains of various colors, adding the continuous phase emulsion, and uniformly stirring to obtain the sand-in-water colorful stone-like paint. Wherein the color matching base paint is as follows: protective glue solution: the weight ratio of the continuous phase emulsion is 60:30:30.
example 4: preparation of multi-color stone-like paint
A preparation method of a novel colorful stone-like paint comprises the following steps:
s1, preparing a protective glue solution: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, slowly adding 10 parts of modified superfine aluminum silicate powder, 0.3 part of bentonite 401 and 0.2 part of BIT when the rotating speed is 600rpm, increasing the rotating speed to 1200rpm after the adding is finished, and dispersing for 55min to obtain a protective adhesive solution for later use;
s2, preparing a continuous phase emulsion: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, adding 0.2 part of kason when the rotation speed is 300rpm, stirring for 1.8min, then increasing the rotation speed to 600rpm, sequentially adding 80 parts of pure acrylic emulsion, 2 parts of propylene glycol, 6 parts of alcohol ester dodeca, 0.2 part of Surfynol 104E and 0.3 part of AMP-95, stirring for 1.8min, increasing the rotation speed to 950rpm, adding 0.3 part of associative thickener, and continuously stirring for 10min to obtain continuous phase emulsion for later use;
s3, preparing color-mixing base paint: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, and sequentially adding 0.2 part of kasong, 0.3 part of bentonite 401, 0.5 part of hydroxyethyl modified cellulose, 1 part of modified silica sol, 3 parts of titanium dioxide, 0.2 part of Foamex 830 and 0.2 part of AMP-95 at the rotating speed of 500 rpm; increasing the rotating speed to 1200rpm along with the increase of the viscosity of the system, and dispersing for 28min at a high speed; stopping the machine to test the fineness of the slurry, reducing the rotating speed to 1000rpm after the fineness is less than 50 mu m, sequentially adding 30 parts of pure acrylic emulsion, 2 parts of propylene glycol, 2.4 parts of alcohol ester dodeca, 0.2 part of Surfynol 104E and 0.2 part of wetter399, finally adjusting the base paint to proper viscosity by using 0.2 part of associative thickener, adding 20 parts of colored sand and 10 parts of snowflake white sand, and continuously stirring for about 10min to obtain the toning base paint.
0.2 part of the associative thickener is diluted with 1.8 parts of deionized water before use.
S4, preparing the colorful stone-like paint, namely mixing colors of the color-mixed base paint, adding the color-mixed base paint into a protective glue solution, granulating by using a slicer, uniformly mixing the color grains of various colors, adding the continuous phase emulsion, and uniformly stirring to obtain the sand-in-water colorful stone-like paint. Wherein the color matching base paint is as follows: protective glue solution: the weight ratio of the continuous phase emulsion is 58:28:25.
example 5: preparation of multi-colour stone-like paint
A preparation method of a novel colorful stone-like paint comprises the following steps:
s1, preparing a protective glue solution: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, slowly adding 10 parts of modified superfine aluminum silicate powder, 0.3 part of bentonite 401 and 0.2 part of BIT when the rotation speed is 700rpm, increasing the rotation speed to 1000rpm after the addition is finished, and dispersing for 60min to obtain a protective glue solution for later use;
s2, preparing a continuous phase emulsion: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, adding 0.2 part of kasong when the rotating speed is 400rpm, stirring for 2min, then increasing the rotating speed to 700rpm, sequentially adding 80 parts of pure acrylic emulsion, 2 parts of propylene glycol, 6 parts of alcohol ester dodeca, 0.2 part of Surfynol 104E and 0.3 part of AMP-95, stirring for 1.5min, increasing the rotating speed to 1000rpm, adding 0.3 part of associative thickener, and continuously stirring for 10min to obtain continuous phase emulsion for later use;
s3, preparing a toning base paint: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, and sequentially adding 0.2 part of kason, 0.3 part of bentonite 401, 0.5 part of hydroxyethyl modified cellulose, 1 part of modified silica sol, 3 parts of titanium dioxide, 0.2 part of Foamex 830 and 0.2 part of AMP-95 at the rotating speed of 400 rpm; increasing the rotating speed to 1300rpm along with the increase of the viscosity of the system, and dispersing at a high speed for 30min; stopping the machine to test the fineness of the slurry, reducing the rotating speed to 900rpm after the fineness is less than 50 mu m, sequentially adding 30 parts of pure acrylic emulsion, 2 parts of propylene glycol, 2.4 parts of alcohol ester dodeca, 0.2 part of Surfynol 104E and 0.2 part of wetter399, finally adjusting the base paint to proper viscosity by using 0.2 part of associative thickener, adding 20 parts of colored sand and 10 parts of snowflake white sand, and continuously stirring for about 10min to obtain the toning base paint.
0.2 part of the associative thickener is diluted with 1.8 parts of deionized water before use.
S4, preparing the colorful stone-like paint, namely mixing colors of the color-mixed base paint, adding the color-mixed base paint into a protective glue solution, granulating by using a slicer, uniformly mixing the color grains of various colors, adding the continuous phase emulsion, and uniformly stirring to obtain the sand-in-water colorful stone-like paint. Wherein the color mixing base paint comprises: protective glue solution: the weight ratio of the continuous phase emulsion is 56:25:15.
comparative example 1:
s1, preparing a protective glue solution: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, slowly adding 10 parts of modified superfine aluminum silicate powder, 0.3 part of bentonite 401 and 0.2 part of BIT when the rotating speed is 700rpm, increasing the rotating speed to 1100rpm after the adding is finished, and dispersing for 50min to obtain a protective adhesive solution for later use;
s2, preparing a continuous phase emulsion: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, adding 0.2 part of kason when the rotation speed is 400rpm, stirring for 1.5min, then increasing the rotation speed to 800rpm, sequentially adding 80 parts of pure acrylic emulsion, 2 parts of propylene glycol, 6 parts of alcohol ester dodeca, 0.2 part of Surfynol 104E and 0.3 part of AMP-95, stirring for 1.5min, increasing the rotation speed to 900rpm, adding 0.3 part of associative thickener, and continuously stirring for 10min to obtain continuous phase emulsion for later use;
s3, preparing a toning base paint: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, and sequentially adding 0.2 part of kason, 0.3 part of bentonite 401, 0.5 part of methyl cellulose, 1 part of modified silica sol, 3 parts of titanium dioxide, 0.2 part of Foamex 830 and 0.2 part of AMP-95 at the rotating speed of 500 rpm; increasing the rotating speed to 1300rpm along with the increase of the viscosity of the system, and dispersing at a high speed for 25min; stopping the machine to test the fineness of the slurry, reducing the rotating speed to 1000rpm after the fineness is less than 50 mu m, sequentially adding 30 parts of pure acrylic emulsion, 2 parts of propylene glycol, 2.4 parts of alcohol ester dodeca, 0.2 part of Surfynol 104E and 0.2 part of wetter399, finally adjusting the base paint to proper viscosity by using 0.2 part of associative thickener, adding 20 parts of colored sand and 10 parts of snowflake white sand, and continuously stirring for about 10min to obtain the toning base paint.
0.2 part of the associative thickener is diluted with 1.8 parts of deionized water before use.
S4, preparing the colorful stone-like paint, adding the color-mixed base paint into the protective glue solution after color mixing, granulating by using a slicer, adding the continuous phase emulsion after uniformly mixing the color grains of various colors, and uniformly stirring to obtain the sand-in-water colorful stone-like paint. Wherein the color matching base paint is as follows: protective glue solution: the weight ratio of the continuous phase emulsion is 55:25:20.
comparative example 2:
s1, preparing a protective glue solution: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, slowly adding 10 parts of modified superfine aluminum silicate powder, 0.3 part of bentonite 401 and 0.2 part of BIT when the rotating speed is 700rpm, increasing the rotating speed to 1100rpm after the adding is finished, and dispersing for 50min to obtain a protective adhesive solution for later use;
s2, preparing a continuous phase emulsion: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, adding 0.2 part of kasong when the rotating speed is 400rpm, stirring for 1.5min, then increasing the rotating speed to 800rpm, sequentially adding 80 parts of pure acrylic emulsion, 2 parts of propylene glycol, 6 parts of alcohol ester dodeca, 0.2 part of Surfynol 104E and 0.3 part of AMP-95, stirring for 1.5min, increasing the rotating speed to 900rpm, adding 0.3 part of associative thickener, and continuously stirring for 10min to obtain continuous phase emulsion for later use;
s3, preparing color-mixing base paint: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, and sequentially adding 0.2 part of kason, 0.3 part of bentonite 401, 0.5 part of hydroxyethyl modified cellulose, 1 part of modified silica sol, 3 parts of titanium dioxide, 0.2 part of Foamex 830 and 0.2 part of AMP-95 at the rotating speed of 500 rpm; increasing the rotating speed to 1300rpm along with the increase of the viscosity of the system, and dispersing at a high speed for 25min; stopping the machine to test the fineness of the slurry, reducing the rotating speed to 1000rpm when the fineness is less than 50 mu m, sequentially adding 30 parts of pure acrylic emulsion, 2 parts of propylene glycol, 2.4 parts of dodecyl alcohol ester and 0.2 part of Surfynol 104E, finally adjusting the viscosity of the base paint to be proper by using 0.2 part of associative thickener, adding 20 parts of colored sand and 10 parts of snowflake white sand, and continuously stirring for about 10min to obtain the toning base paint.
0.2 part of the associative thickener is diluted with 1.8 parts of deionized water before use.
S4, preparing the colorful stone-like paint, adding the color-mixed base paint into the protective glue solution after color mixing, granulating by using a slicer, adding the continuous phase emulsion after uniformly mixing the color grains of various colors, and uniformly stirring to obtain the sand-in-water colorful stone-like paint. Wherein the color matching base paint is as follows: protective glue solution: the weight ratio of the continuous phase emulsion is 55:25:20.
comparative example 3:
s1, preparing a protective adhesive solution: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, slowly adding 10 parts of modified superfine aluminum silicate powder, 0.3 part of bentonite 401 and 0.2 part of BIT when the rotation speed is 700rpm, increasing the rotation speed to 1100rpm after the addition is finished, and dispersing for 50min to obtain a protective glue solution for later use;
s2, preparing a continuous phase emulsion: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, adding 0.2 part of cason when the rotation speed is 400rpm, stirring for 1.5min, then increasing the rotation speed to 800rpm, sequentially adding 80 parts of pure acrylic emulsion, 2 parts of propylene glycol, 6 parts of alcohol ester dodeca, 0.2 part of Surfynol 104E and 0.3 part of AMP-95, stirring for 1.5min, increasing the rotation speed to 900rpm, and continuously stirring for 10min to obtain continuous phase emulsion for later use;
s3, preparing color-mixing base paint: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, and sequentially adding 0.2 part of kason, 0.3 part of bentonite 401, 0.5 part of hydroxyethyl modified cellulose, 1 part of modified silica sol, 3 parts of titanium dioxide, 0.2 part of Foamex 830 and 0.2 part of AMP-95 at the rotating speed of 500 rpm; increasing the rotating speed to 1300rpm along with the increase of the viscosity of the system, and dispersing at a high speed for 25min; stopping the machine to test the fineness of the slurry, reducing the rotating speed to 1000rpm when the fineness is less than 50 mu m, sequentially adding 30 parts of pure acrylic emulsion, 2 parts of propylene glycol, 2.4 parts of alcohol ester dodeca, 0.2 part of Surfynol 104E, 0.2 part of wetter399, 20 parts of colored sand and 10 parts of snowflake white sand, and continuously stirring for about 10min to obtain the toning base paint.
S4, preparing the colorful stone-like paint, adding the color-mixed base paint into the protective glue solution after color mixing, granulating by using a slicer, adding the continuous phase emulsion after uniformly mixing the color grains of various colors, and uniformly stirring to obtain the sand-in-water colorful stone-like paint. Wherein the color matching base paint is as follows: protective glue solution: the weight ratio of the continuous phase emulsion is 55:25:20.
comparative example 4:
s1, preparing a protective adhesive solution: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, slowly adding 10 parts of modified superfine aluminum silicate powder, 0.3 part of bentonite 401 and 0.2 part of BIT when the rotation speed is 700rpm, increasing the rotation speed to 1100rpm after the addition is finished, and dispersing for 50min to obtain a protective glue solution for later use;
s2, preparing a continuous phase emulsion: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, adding 0.2 part of kasong when the rotating speed is 400rpm, stirring for 1.5min, then increasing the rotating speed to 800rpm, sequentially adding 80 parts of pure acrylic emulsion, 2 parts of propylene glycol, 6 parts of alcohol ester dodeca, 0.2 part of Surfynol 104E and 0.3 part of AMP-95, stirring for 1.5min, increasing the rotating speed to 900rpm, adding 0.3 part of associative thickener, and continuously stirring for 10min to obtain continuous phase emulsion for later use;
s3, preparing a toning base paint: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, and sequentially adding 0.2 part of kason, 0.3 part of bentonite 401, 0.5 part of hydroxyethyl modified cellulose, 3 parts of titanium dioxide, 0.2 part of Foamex 830 and 0.2 part of AMP-95 at the rotating speed of 500 rpm; increasing the rotating speed to 1300rpm along with the increase of the viscosity of the system, and dispersing at a high speed for 25min; stopping the machine to test the fineness of the slurry, reducing the rotating speed to 1000rpm when the fineness is less than 50 mu m, sequentially adding 30 parts of pure acrylic emulsion, 2 parts of propylene glycol, 2.4 parts of dodecyl alcohol ester, 0.2 part of Surfynol 104E and 0.2 part of wetter399, finally adjusting the viscosity of the base paint to be proper by using 0.2 part of associative thickener, adding 20 parts of colored sand and 10 parts of snowflake white sand, and continuously stirring for about 10min to obtain the toning base paint.
0.2 part of the associative thickener is diluted with 1.8 parts of deionized water before use.
S4, preparing the colorful stone-like paint, adding the color-mixed base paint into the protective glue solution after color mixing, granulating by using a slicer, adding the continuous phase emulsion after uniformly mixing the color grains of various colors, and uniformly stirring to obtain the sand-in-water colorful stone-like paint. Wherein the color mixing base paint comprises: protective glue solution: the weight ratio of the continuous phase emulsion is 55:25:20.
comparative example 5:
s1, preparing a protective glue solution: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, slowly adding 10 parts of modified superfine aluminum silicate powder, 0.3 part of bentonite 401 and 0.2 part of BIT when the rotation speed is 700rpm, increasing the rotation speed to 1100rpm after the addition is finished, and dispersing for 50min to obtain a protective glue solution for later use;
s2, preparing a continuous phase emulsion: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, adding 0.2 part of kasong when the rotating speed is 400rpm, stirring for 1.5min, then increasing the rotating speed to 800rpm, sequentially adding 80 parts of pure acrylic emulsion, 2 parts of propylene glycol, 6 parts of alcohol ester dodeca, 0.2 part of Surfynol 104E and 0.3 part of AMP-95, stirring for 1.5min, increasing the rotating speed to 900rpm, adding 0.3 part of associative thickener, and continuously stirring for 10min to obtain continuous phase emulsion for later use;
s3, preparing a toning base paint: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, and sequentially adding 0.2 part of kason, 0.3 part of bentonite 401, 0.5 part of hydroxyethyl modified cellulose, 1 part of modified silica sol, 3 parts of titanium dioxide and 0.2 part of AMP-95 at the rotating speed of 500 rpm; increasing the rotating speed to 1300rpm along with the increase of the viscosity of the system, and dispersing at a high speed for 25min; stopping the machine to test the fineness of the slurry, reducing the rotating speed to 1000rpm after the fineness is less than 50 mu m, sequentially adding 30 parts of pure acrylic emulsion, 2 parts of propylene glycol, 2.4 parts of alcohol ester dodeca, 0.2 part of Surfynol 104E and 0.2 part of wetter399, finally adjusting the base paint to proper viscosity by using 0.2 part of associative thickener, adding 20 parts of colored sand and 10 parts of snowflake white sand, and continuously stirring for about 10min to obtain the toning base paint.
0.2 part of the associative thickener is diluted with 1.8 parts of deionized water before use.
S4, preparing the colorful stone-like paint, adding the color-mixed base paint into the protective glue solution after color mixing, granulating by using a slicer, adding the continuous phase emulsion after uniformly mixing the color grains of various colors, and uniformly stirring to obtain the sand-in-water colorful stone-like paint. Wherein the color matching base paint is as follows: protective glue solution: the weight ratio of the continuous phase emulsion is 55:25:20.
the multi-colored stone-like paint particles obtained in examples 1 to 5 were formed into paint films and subjected to performance tests, the results of which are shown in Table 1. The multi-color stone-like paint particles obtained in comparative examples 1 to 5 and commercial products were prepared into paint films and subjected to performance tests, the results of which are shown in Table 2.
Table 1 performance testing of examples 1-5
TABLE 2 Performance testing of comparative examples 1-5 and commercial products
The results in table 1 show that the colorful stone-like paint prepared by the formula and the process of the invention has the advantages of uniform dispersion, soft paint film coating, no defects such as cracks and the like, short drying time, better water resistance, alkali resistance, good stability, difficult layering during storage, no discoloration and whitening of the stone-like paint after construction, and effective extension of the storage time and the application range of the colorful stone-like paint.
Compared with the prior art, the preparation method has the advantages that the methyl cellulose is adopted in the comparative example 1, the storage stability of the obtained colorful stone-like paint is lower than that of the obtained hydroxyethyl modified cellulose, the stone-like paint is discolored and whitened after construction, the modified hydroxyethyl modified cellulose can be subjected to cross-linking reaction with a protective glue solution, and the hydrophobic groups can also be subjected to association reaction with a continuous phase emulsion, so that a compact film can be formed on the surface of the colorful grains more easily, the stability of a colorful grain system is improved, the layering phenomenon during long-term storage is avoided, the bleeding problem of the sand-in-water colorful paint can be improved, and the viscosity and the toughness of the colorful grains are improved.
The colorful stone-like paint obtained by the method does not contain a wetting agent in a comparative example 2, does not contain a rheological additive in a comparative example 3, and does not contain modified silica sol in a comparative example 4, so that the colorful stone-like paint is poor in storage stability and easy to delaminate, the stone-like paint is discolored and whitened after construction, and the surface of a paint film is poor in softness, wrinkled and has bark grains. The surface of the wetting agent wetter399 contains a large number of hydroxyl groups which can generate cross-linking action with protective glue, so that a hydrophobic film on the surface of the color particle is more compact; the associative thickener has good covering power and leveling property, can be adsorbed with latex particles, does not generate adverse phenomena such as flocculation and the like, and has good water resistance and wiping resistance. Modified silica sol belongs to colloidal solution, and is odorless and nontoxic, and due to a special spatial structure, a large number of gaps are formed between the structures, so that other substances such as colored grains and snowflake white sand can be adsorbed, silicon oxide can be formed between the colored grains and the snowflake white sand, and the modified silica sol has large adhesion, can further improve the stability of a colored grain system, avoids the layering phenomenon during long-term storage, can improve the bleeding problem of the sand-in-water multicolor paint, and improves the viscosity and toughness of the colored grains.
Comparative example 5, which does not contain defoamer a, produced a multicolor stone-like paint with less storage stability than when two defoamers were used, and a small number of pinholes appeared on the paint film surface.
It can be seen that through the selection of raw materials and the optimization of components, particularly under the interaction among cellulose, a suspending agent, a film-forming assistant, an emulsion, a wetting agent, a multifunctional assistant, a filler and a rheological assistant, the product forms stable colorful stone-like paint particles, the storage stability of the product is obviously improved, and the novel colorful stone-like paint which has the advantages of good structural stability, good dispersibility, difficult layering during storage, no discoloration and whitening of the constructed stone-like paint, excellent artificial weather aging resistance, obviously better construction drying time than similar products, safe use and the like is obtained, so that the storage time and the use range of the colorful stone-like paint are effectively prolonged.
While the preferred embodiments of this patent have been described in detail, this patent is not limited to the embodiments described above, and variations and modifications in other forms may occur to those skilled in the art, within the knowledge of the person skilled in the art. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The novel colorful stone-like paint is characterized by comprising the following components in parts by weight: 50-60 parts of toning base paint, 20-30 parts of protective glue solution and 10-30 parts of continuous phase emulsion.
2. The novel colorful stone-like paint as claimed in claim 1, wherein the colorful stone-like paint comprises 55 parts by weight of toning base paint, 25 parts by weight of protective glue solution and 20 parts by weight of continuous phase emulsion.
3. The novel colorful stone-like paint as claimed in claim 1, wherein the color-mixing base paint comprises the following raw materials in parts by weight: 25 to 35 portions of deionized water, 0.2 to 0.4 portion of suspending agent, 0.4 to 0.6 portion of cellulose, 0.1 to 0.3 portion of wetting agent, 2 to 4 portions of titanium pigment, 0.1 to 0.3 portion of defoaming agent A, 0.1 to 0.3 portion of multifunctional additive, 20 to 40 portions of emulsion, 1 to 3 portions of antifreezing agent, 2.0 to 2.8 portions of film-forming additive, 0.1 to 0.3 portion of antiseptic bactericide, 0.1 to 0.3 portion of defoaming agent B, 0.1 to 0.3 portion of rheological additive, 0.5 to 1.5 portions of modified pre-sol, 10 to 30 portions of colored sand and 5 to 15 portions of snowflake white sand;
the protective glue solution comprises the following raw materials in parts by weight: 85 to 95 parts of deionized water, 5 to 15 parts of filler, 0.2 to 0.4 part of suspending agent and 0.1 to 0.3 part of antiseptic bactericide;
the continuous phase emulsion comprises the following raw materials in parts by weight: 7 to 15 portions of deionized water, 70 to 90 portions of emulsion, 4 to 8 portions of film forming additive, 1 to 3 portions of antifreeze, 0.1 to 0.3 portion of defoamer B, 0.2 to 0.4 portion of multifunctional additive, 0.1 to 0.3 portion of antiseptic bactericide and 0.2 to 0.4 portion of rheological additive.
4. The novel multicolor stone-like paint as claimed in claim 3, characterized in that:
the suspending agent is any commercially available bentonite, preferably bentonite 401, bentonite GTS and bentonite S482;
the cellulose is hydroxyethyl modified cellulose or hydroxypropyl methyl cellulose;
the wetting agent is wetter399 or LCN-407;
the multifunctional auxiliary agent is AMP-95;
the antifreezing agent is propylene glycol or ethylene glycol;
the film-forming additive is alcohol ester twelve;
the antiseptic bactericide is any one of commercially available antiseptic bactericides, preferably cason and BIT;
the rheological additive is an alkali swelling thickener, preferably an associative thickener;
the modified pre-sol is modified silica sol.
5. The novel multicolor stone-like paint as claimed in claim 3, characterized in that: the emulsion is one or two of pure acrylic emulsion or silicone acrylic emulsion.
6. The novel colorful stone-like paint as claimed in claim 3, wherein: the antifoaming agent A is Foamex 830; the antifoaming agent B is Surfynol 104E.
7. The novel colorful stone-like paint as claimed in claim 3, wherein: the granularity of the colored sand is 80-120 meshes, and the color is one or more of white, brown, black, yellow, red, green, blue, purple, orange and pink;
the granularity of the snowflake white sand is 40-80 meshes.
8. The novel multicolor stone-like paint as claimed in claim 3, characterized in that: the filler is modified silicon-aluminum powder, preferably modified superfine aluminum silicate powder.
9. A method for producing a novel multicolor stone-like paint according to any one of claims 1 to 8, comprising the steps of:
s1, preparing a protective colloid solution: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, slowly adding filler, a suspending agent and an antiseptic bactericide when the rotating speed is 600-800 rpm, increasing the rotating speed to 1000-1200 rpm after the adding is finished, and dispersing for 45-60 min to obtain a protective adhesive solution for later use;
s2, preparing a continuous phase emulsion: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, adding an anticorrosive bactericide when the rotating speed is 300-500 rpm, stirring for 1-2 min, then increasing the rotating speed to 500-800 rpm, sequentially adding an emulsion, a film-forming aid, an antifreezing agent, a defoaming agent B and a multifunctional aid, stirring for 1-2 min, increasing the rotating speed to 800-1000 rpm, adding a rheological aid, and continuously stirring for 10min to obtain a continuous phase emulsion for later use;
s3, preparing toning base paint: adding deionized water into a high-speed dispersion machine, starting the dispersion machine, and sequentially adding an anticorrosive bactericide, bentonite, cellulose, a modified pre-sol, titanium dioxide, a defoaming agent A and a multifunctional auxiliary agent at the rotating speed of 400-600 rpm; increasing the rotating speed to 1200-1400 rpm along with the increase of the viscosity of the system, and dispersing at high speed for 20-30 min; stopping the machine to test the fineness of the slurry, reducing the rotating speed to 900-1100 rpm when the fineness is less than 50 mu m, sequentially adding the emulsion, the antifreezing agent, the film forming additive, the defoamer B and the wetting agent, finally adjusting the viscosity of the base paint to be proper by using the rheological additive, adding the colored sand and the snowflake white sand, and continuously stirring for about 10min to obtain the toning base paint.
And S4, preparing the colorful stone-like paint, adding the color-mixed base paint into the protective glue solution after color mixing, granulating by using a slicer, adding the continuous phase emulsion after uniformly mixing the color grains of various colors, and uniformly stirring to obtain the sand-in-water colorful stone-like paint.
10. The method for preparing a novel colorful stone-like paint as claimed in claim 9, wherein the rheological additive is diluted with deionized water before use, and the ratio of the rheological additive to water is 1:9, adjusting the viscosity to 125-130 ku.
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