CN115011231B - Stone-like paint and preparation method thereof - Google Patents
Stone-like paint and preparation method thereof Download PDFInfo
- Publication number
- CN115011231B CN115011231B CN202210795135.6A CN202210795135A CN115011231B CN 115011231 B CN115011231 B CN 115011231B CN 202210795135 A CN202210795135 A CN 202210795135A CN 115011231 B CN115011231 B CN 115011231B
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- paint
- agent
- emulsion
- stone
- continuous phase
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
Abstract
The invention discloses a stone-like paint, which comprises base paint, protective glue solution and a continuous phase, and is characterized in that: the paint comprises 40-60% by mass of base paint, 10-30% by mass of protective glue solution and 20-40% by mass of continuous phase, wherein the base paint comprises deionized water, resin, cellulose, filler, a first auxiliary agent, base paint emulsion and toner; the protective glue solution comprises deionized water, protective glue and protective glue auxiliary agent; the continuous phase comprises deionized water, a second auxiliary agent and a continuous phase emulsion. According to the invention, through the synergistic effect of the components, the protective glue solution can be coated on the outer surfaces of particles of the base paint, so that the connection between the filling material and the heat insulation material in the base paint is tighter, the stability of the filling material in the stone-like paint is improved, and the emulsion of the coating phase varnish is added, so that the emulsion can be attached to the surface of the filling material, the compactness of the coating during film forming is improved, and the hardness of the stone-like paint is improved.
Description
Technical Field
The invention belongs to the technical field of paint, and particularly relates to a stone-like paint and a preparation method thereof.
Background
The stone-like paint is a thick exterior wall decorative paint with decorative effect similar to marble and granite, the reflective heat-insulating material can achieve the aim of heat insulation by efficiently reflecting sunlight, and the combination of the reflective heat-insulating technology and the stone-like paint is an important technological breakthrough for improving the energy conservation and the decoration of the exterior wall of a building.
However, the existing stone-like paint filler and the reflective heat-insulating material are mixed and then are poor in combination tightness, the physical properties of the whole paint are general, the quality of the paint such as mechanics, weather resistance and the like cannot meet the requirements, the phenomena such as falling, deformation and cracking and the like easily occur in the external environment for a long time, and the appearance quality and the use safety of the stone-like paint are reduced. The development of the stone-like paint with good physical properties and heat insulation performance based on the prior art has positive significance.
Disclosure of Invention
The invention aims to overcome the defects of the existing stone-like paint, and provides the stone-like paint.
The invention further aims at providing a preparation method of the stone-like paint.
The stone-like paint coating comprises base paint, protective glue solution and a continuous phase, wherein the base paint comprises 40-60% by mass of base paint, 10-30% by mass of protective glue solution and 20-40% by mass of continuous phase, and comprises deionized water, resin, a fibrous agent, a filler, a first auxiliary agent, base paint emulsion and toner; the protective glue solution comprises deionized water, protective glue and protective glue auxiliary agent; the continuous phase comprises deionized water, a second auxiliary agent and continuous phase emulsion;
the base paint comprises the following components in percentage by mass:
the resin comprises one or two of organosilicon modified polyester resin and anionic aliphatic polyurethane resin. The organic silicon modified polyester resin has heat resistance and water resistance, the organic silicon modified polyester resin is composed of a ternary polymer with high branched chain, the structure of a hardened product is similar to glass, the surface hardness is high, and the surface of the hardened product has a hydrophobic effect based on methyl orientation in molecules, so that the organic silicon modified polyester resin has good weather resistance and can reduce ageing caused by ultraviolet rays. The anionic aliphatic polyurethane resin has the characteristics of high hardness, good toughness, good adhesive force and water resistance, can reduce the water resistance reduction of a paint film caused by adding cellulose, and effectively improves the performance of the paint film. Through the mixing of the resin, the coupling agent and the cross-linking agent in the second auxiliary agent, the whole coating system can form a cross-linked three-dimensional structure, the combination tightness degree of the filling material and the heat insulation material can be enhanced, and the paint film density is improved, so that the paint film strength is obviously improved.
The cellulose comprises one or more combinations of hydroxyethyl cellulose, hydroxyethyl methylcellulose, hydrophobically modified hydroxyethyl cellulose. The cellulose mainly utilizes the hydrophobic main chain to form hydrogen bonds with water, and meanwhile, polar groups on the structure interact to form a space network structure, so that the rheological volume of the polymer can be increased, and the free movement of the polymer is limited, thereby improving the viscosity of the coating. Because the hydrophobic main chain on the cellulose is associated with surrounding water molecules through hydrogen bonds, the fluid volume of the coating particles of the stone-like paint is increased, and the free movement space of the coating particles is reduced, so that the stability of the system is improved. The hydrophobically modified hydroxyethyl cellulose is not affected by pH value, the thickening efficiency is not affected by pH value, the use amount of the associative thickener is reduced, the cost is reduced, the storage stability is improved, the viscosity reduction caused by toner is reduced, and the hydrophobically modified hydroxyethyl cellulose has better sagging resistance and better storage stability.
The filler includes a thermal insulation material and a filler material. The heat insulation material comprises nano hollow microspheres, jin Gongwai stone type titanium dioxide, pearlescent mica sheets and boron nitride. The particle size of the nano hollow microsphere is 0.01-0.02mm, the nano hollow microsphere has good heat insulation property, light weight and hydrophobicity, and good compatibility with various resin emulsions, the crystal size of the Jin Gongwai stone type titanium dioxide is 0.20-0.30mm, and the Jin Gongwai stone type titanium dioxide has heat resistance, light resistance and weather resistance, can improve the physicochemical property of the coating, has a protective effect on the stability of the coating, and prolongs the service life of the coating. The pearlescent mica sheet is 100-600 meshes, has high refractive index, is corrosion-resistant, can improve the mechanical strength of the coating, and has the advantages of oxidation resistance and small thermal expansion coefficient. The grain size of the boron nitride is 60-500um, the hardness of the boron nitride is high, the thermal expansion coefficient is low, the chemical property is extremely stable, and the boron nitride has the advantages of high temperature resistance and oxidation resistance.
According to the invention, by adding four materials, namely nano hollow microsphere, jin Gongwai stone type titanium white, pearlescent mica sheet and boron nitride, the nano hollow microsphere and Jin Gongwai stone type titanium white have good heat resistance, the heat insulation effect of the coating is improved, the pearlescent mica sheet and the boron nitride have the characteristics of good oxidation resistance and small thermal expansion coefficient, the physical properties of the material are further improved through mixing, the different particle size distribution of the material is utilized to fill and optimize the gaps of the coating, the space combination degree of the heat insulation material is improved, and the heat insulation effect of the stone-like paint is enhanced.
The filler material comprises: the filling material comprises one or a combination of a plurality of kaolin, quartz sand, nano bauxite, tourmaline powder, talcum powder, calcium carbonate and glass fiber powder. The kaolin is 300-800 meshes, the quartz sand is 80-90 meshes, the nano bauxite is 100-400 meshes, the tourmaline powder is 100-400 meshes, the talcum powder is 100-400 meshes, the calcium carbonate is 200-800 meshes, and the granularity of the glass fiber powder is 15-20um. The physical property of the coating can be improved by adding the filling material, the filling material and the heat insulation material are mixed to form a filling material mixture, and the resin is mixed with the coupling agent to form a compact network to wrap the surface of the filling material mixture, so that the filling material is not easy to disperse during stirring, and more vivid effect and better stability can be obtained during spraying construction operation.
The base paint emulsion comprises at least one of silicone-acrylic emulsion and pure acrylic emulsion; the surface of the coating formed by the silicone-acrylate emulsion has the advantages of compactness, toughness, high hardness, good water whitening resistance and stain resistance, and the coating film is not easy to yellow, ultraviolet resistant and ageing resistant. The pure acrylic emulsion has excellent weather resistance and has the advantages of aging resistance, color retention, gloss retention and anti-back adhesion. The base paint emulsion is matched with the film forming agent in the first auxiliary agent for curing, and is adsorbed on the surface of the filler for curing, so that the surface impact resistance of a hardened substance can be further improved, and the ageing resistance of the coating is improved.
The toner is as follows: at least one of iron red, iron yellow, cobalt blue and copper black.
The protective glue solution comprises the following components in percentage by mass:
deionized water 92-96%
3-7% of protective adhesive
0.5 to 1 percent of protective adhesive auxiliary agent
The protective adhesive is modified organic magnesium lithium silicate. The organic magnesium lithium silicate has good dispersibility in water, can form colorless transparent colloid with viscosity, and can form high thixotropic gel in water. In the coating system, the surfaces of the particles and the side edges are mutually attracted to form a side-face and side-edge association structure, so that the particles are mutually connected and reinforced by the action of Van der Waals force to form a card house-shaped three-dimensional grid structure, the anti-sagging performance of the organic magnesium lithium silicate is good, the water resistance of the coating can be improved, the thickening speed in emulsion is high, and the stability of the emulsion coating can be kept. The mechanically modified lithium magnesium silicate is matched with cellulose to enable the emulsion to be associated with the cellulose and the protective adhesive to form an interpenetrating network structure, so that the coating particles are more stable.
The protective gum auxiliary agent comprises one or two of organic modified inorganic bentonite and xanthan gum. The bentonite has good suspension property and dispersibility in the coating, one end of the high molecular polymer is adsorbed at one end of the organic modified inorganic bentonite, and the other end of the high molecular polymer is dissolved in water, so that an indirect connection is generated between the organic modified inorganic bentonite and water molecules, a bridging effect is formed, free water in a system is reduced, the coating is not easy to precipitate and delaminate, the stability of the coating suspension is improved, the coating brushing performance is good, and a coating which is uniform in thickness, flat and smooth can be formed. The xanthan gum has the characteristics of high-efficiency thickening, stable suspension, high pseudoplasticity and the like, and the aqueous solution of the xanthan gum has high viscosity under static or low shearing action, and shows that the viscosity is reduced sharply under the high shearing action, but the molecular structure is unchanged. When the shearing force is eliminated, the original viscosity is immediately restored. The relationship between shear force and viscosity is plastic, and the pseudoplasticity of xanthan gum is very prominent, and is very effective for stabilizing suspensions and emulsions.
The continuous phase comprises the following components in percentage by mass:
15-30% of deionized water
30-45% of a second auxiliary agent
40-60% of continuous phase emulsion
The continuous phase emulsion comprises at least one of acrylic emulsion, silicon modified acrylic emulsion and aqueous polyurethane emulsion. The acrylic emulsion has good water resistance, alkali resistance and dirt resistance, has good adhesion to the surface of filler, has outstanding water resistance and weather resistance, and the silicon modified acrylic emulsion has heat resistance and physical and mechanical properties. The continuous phase emulsion has good adhesive force, can be effectively wrapped on the surface of the filler, and further improves the combination effect of the filler and the heat insulation material in the coating. The continuous phase emulsion is adhered to the surface of the filler which is not fully wrapped and the surface of the crosslinked three-dimensional structure is formed by mixing the resin with the coupling agent and the crosslinking agent in the second auxiliary agent, and is further combined with the film forming agent which is not completely reacted to form a film, so that the impact resistance of the filler and the water resistance and the adhesive capability of the surface of the coating are improved.
The first auxiliary agent comprises a bactericide, an antifreezing agent, a film-forming auxiliary agent, a pH regulator, a dispersing wetting agent and a wetting agent;
the bactericide comprises any one or more of 5-chloro-2-methyl-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one and 1, 2-benzisothiazolin-3-one; the 5-chloro-2-methyl-isothiazolin-3-ketone and the 2-methyl-4-isothiazolin-3-ketone can not crosslink the emulsion, can effectively kill and inhibit microorganisms, and has no influence on the performance of the coating.
The antifreezing agent comprises any one or a combination of at least two of propylene glycol, ethylene glycol, polyethylene glycol and polypropylene glycol; the antifreeze fluid can prevent the paint from agglomerating and caking when being placed for a long time, improve the dispersibility of the paint and improve the placement time.
The film forming aid comprises alcohol ester twelve; alcohol ester twelve is an excellent film-forming aid that evaporates slowly and is insoluble in water, absorbing alcohol ester twelve on the emulsion particles, softening the particles and causing better fusion in the paint. It is not absorbed into permeable matrix, can effectively coalesce emulsion particles, and has a certain improvement on scrub resistance and storage stability of paint film.
The pH regulator is as follows: one or more of 2-amino-2-methyl-1-propanol, ammonia water or N, N-dimethylethanolamine;
the dispersing agent is a polyacrylic acid ammonium salt dispersing agent; the ammonium polyacrylate dispersant can improve the storage stability of the paint, increase the gloss and leveling property, has good dispersing effect on Jin Gongwai stone type titanium dioxide, talcum powder, calcium carbonate, kaolin and the like, and prevents toner from condensing.
The wetting agent is octyl phenol polyoxyethylene ether; the octyl phenol polyoxyethylene ether has excellent wetting effect on various pigments and fillers in an aqueous system. The octyl phenol polyoxyethylene ether can reduce the surface tension, so that the solid surface is easy to wet, the gloss and color development of a paint film can be improved, the coagulation of toner can be avoided, the storage period and the mechanical stability of the paint are prolonged, and the paint has no adverse effect on water resistance and corrosion resistance. In addition, the octyl phenol polyoxyethylene ether can also avoid the flowery and the floating color, and effectively eliminate various coating defects formed by using the defoamer.
The second auxiliary agent comprises a mildew preventive, a thickening agent, a cross-linking agent, a coupling agent and a defoaming agent;
the mildew preventive is pinus koraiensis; the pinus koraiensis has long lasting effect and good compatibility, and can reduce the deterioration and odor of the paint when being placed for a long time.
The thickener comprises any one or two of polyacrylate and associative polyurethane thickener; the polyacrylate has good cohesiveness, seepage resistance, aging resistance and corrosion resistance. The associative polyurethane thickener has the advantages of thickening, good sagging resistance, good water resistance, scrubbing resistance and good stain resistance. The associative polyurethane thickener has uniform film forming property and paint film fullness, and does not affect the gloss of the paint film. The combination of the associative polyurethane thickener and cellulose can adjust the fluidity of the coating. By adding the thickener, the free movement of the polymer can be limited, and the free movement space of paint particles is reduced, so that the viscosity of the paint is improved, and the stability of a system is improved. Through the synergistic effect of the protective gum, the protective gum auxiliary agent, the dispersing agent and the thickening agent in the protective gum solution, the paint system keeps the state that the toner is not bleeding, suspended and sinking and is independent and not adhered, and the storage stability of the stone-like paint is ensured.
The cross-linking agent comprises any one or two of polycarbodiimide, N-methylene bisacrylamide and vinyl triethoxysilane; the cross-linking agent can better complex the reaction in the reaction process of the resin rubber powder and the rubber solution, and carry out the catalysis process in the coordination space, so that the hardness of the system is improved, the filler is not easy to agglomerate or crack, and the coating can be kept for a longer time.
The coupling agent is a silane coupling agent; the silane coupling agent is added to enhance the cohesiveness, improve the mechanical, water-resistant, anti-aging and other energy absorption of the paint, improve the wettability and dispersibility of the filler in the paint, and improve the dispersibility and adhesiveness of the pigment.
The defoamer is specifically an organosilicon defoamer BYK-024, and BYK-024 has the advantages of quick defoaming, good compatibility, long-acting stability and no reduction of the surface glossiness of a paint film.
The heat insulation material comprises the following components in percentage by mass:
a preparation method of a stone-like paint comprises the following steps:
(1) Preparation of base paint: deionized water, resin, cellulose, filler, a first auxiliary agent and basic paint emulsion are put into a dispersing machine to be mixed, toner is added after uniform stirring, the basic paint is further uniformly dispersed, and the basic paint is taken out for standby;
(2) Preparation of a protective glue solution: putting deionized water, protective glue and protective glue auxiliary agent into a dispersing machine for mixing, dispersing uniformly to obtain the protective glue solution, and taking out for later use;
(3) Preparation of the continuous phase: deionized water, a second auxiliary agent and continuous phase emulsion are put into a dispersing machine to be mixed, the continuous phase is obtained after uniform dispersion, and the continuous phase is taken out for standby;
(4) Preparing stone-like paint: and mixing and granulating the base paint and the protective glue solution, and adding a continuous phase to obtain the stone-like paint coating.
Compared with the prior art, the invention has the following advantages:
(1) According to the invention, through the synergistic effect of the components, the protective glue solution can be coated on the outer surfaces of particles of the base paint, so that the connection between the filling material and the heat insulation material in the base paint is tighter, the stability of the filling material in the stone-like paint is improved, and the emulsion of the coating phase varnish is added, so that the emulsion can be attached to the surface of the filling material, the compactness of the coating during film forming is improved, and the hardness of the stone-like paint is improved;
(2) The method comprises the steps of adding nano hollow microspheres, jin Gongwai stone type titanium white powder, pearlescent mica flakes and boron nitride into basic paint, filling and optimizing gaps of the paint by utilizing different particle size distribution of various materials, improving the bonding degree of the heat insulation materials, enhancing the heat insulation effect of stone-like paint, improving the surface texture of the produced stone-like paint by adding filling materials, mixing the filling materials with the heat insulation materials, utilizing the basic paint emulsion to be matched and solidified with a film forming agent in a first auxiliary agent, absorbing the basic paint emulsion on the surface of the filler for later solidification, further improving the surface impact resistance of a hardening object, simultaneously improving the ageing resistance of the paint, forming a compact network by utilizing the resin, the coupling agent and the cross-linking agent to be wrapped on the surface of the filler mixture, obtaining more realistic effect and better stability, and improving the bonding tightness of the filling materials and the heat insulation materials by mixing the resin, so that the filler is not easy to disperse during stirring, improving the paint film density, and further improving the surface impact resistance of the paint by utilizing continuous phase to be adhered on the surface of the filler, and the surface of the filler is not fully combined with the coupling agent and the film forming the surface of the second auxiliary agent.
Detailed Description
In order to make the technical solutions of the present invention more apparent to those skilled in the art, the following examples will be presented. It should be noted that the following embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited to the following embodiments, and any modifications, substitutions, and combinations made without departing from the spirit and principles of the present invention are included in the scope of the present invention.
The starting materials, reagents or apparatus used in the following examples are all available from conventional commercial sources or may be obtained by methods known in the art unless otherwise specified.
Examples 1-6 of the present invention all provide a stone-like paint, wherein the formulas of the stone-like paint, the base paint, the protective gum solution and the continuous phase are shown in tables 1,2, 3 and 4, respectively.
Table 1: weight component proportion of stone-like paint
| Component name | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 |
| Base paint | 40 | 50 | 60 | 45 | 55 | 50 |
| Protective glue solution | 20 | 30 | 10 | 15 | 20 | 15 |
| Continuous phase | 40 | 20 | 30 | 40 | 25 | 35 |
Table 2: weight component proportion of base paint
Table 3: weight proportion of protective glue solution
Table 4: weight ratio of continuous phase
Table 5: results of physical and chemical Properties detection of each example
According to JG/T235-2014 building reflective heat insulation paint, the reflective index requirements of the paint are as follows:
the coating brightness value is divided into:
a) Low brightness reflective insulation coating: l is less than or equal to 40;
b) Medium brightness reflective heat insulation coating: 40 < L < 80;
c) Low brightness reflective insulation coating: l is greater than or equal to 80.
TABLE 6 reflection index Standard Table
TABLE 7 reflective insulation test results for each example
The stone-like paint described in examples 1-6 maintains the stable, non-bleeding, non-sagging, independent and non-blocking state of the toner for a long period of time through the synergistic effect of the protective gum, the protective gum auxiliary agent, the dispersant, the thickener and the like in the protective gum solution, thereby ensuring the storage stability of the stone-like paint. The coupling agent and the cross-linking agent are added to be mixed with the resin, so that the whole system forms a cross-linked three-dimensional structure, the compactness of a paint film is obviously improved, the strength of the paint film is obviously improved, and the paint film has good impact resistance.
The surface of the hardening substance of the continuous phase emulsion and the base paint emulsion has hydrophobic effect, has excellent stain resistance, water resistance and aging resistance, and can enhance the washing resistance and alkali resistance of the surface of the coating by adding different fillers.
Through the synergistic effect of the components, the protective glue solution can be coated on the outer surfaces of particles of the base paint, so that the connection between the filling material in the base paint and the heat insulation material is tighter, the stability of the filling material in the stone-like paint is improved, and the emulsion of the coating phase varnish is added, so that the hardening emulsion is attached to the surface of sand stone, the compactness of the coating during film forming is improved, and the hardness of the stone-like paint coating is improved.
According to the invention, the filling material and the heat insulation material are mixed, the base paint emulsion is matched and solidified with the film forming agent in the first auxiliary agent, the base paint emulsion is adsorbed on the surface of the filling material and then solidified, the surface impact resistance of a hardened substance can be further improved, meanwhile, the ageing resistance of the coating is improved, the resin, the coupling agent and the cross-linking agent form a compact network to wrap the surface of the filling material mixture, more realistic effect and better stability are obtained, the coupling agent and the cross-linking agent in the second auxiliary agent are mixed with the resin, the whole coating system can form a cross-linked three-dimensional structure, the bonding tightness degree of the filling material and the heat insulation material can be enhanced, the filling material is not easy to disperse during stirring, the paint film density is improved, the continuous phase emulsion is adhered on the surface of the filling material which is not fully wrapped, the surface of the cross-linked three-dimensional structure is formed through the mixing of the coupling agent and the cross-linking agent in the second auxiliary agent with the resin, the impact resistance of the filling material is further combined with the film forming agent which is not fully reacted, and the water resistance and the bonding capability of the surface of the coating are improved.
As can be seen from Table 7, the stone-like paint coating prepared by the invention has the function of reflecting heat insulation, the sunlight emission ratio and the hemispherical emissivity of the stone-like paint coating all meet the standards, the stone-like paint coating prepared by the invention has good heat insulation effect, and the energy-saving effect can be effectively improved.
In order to make the technical solutions of the present invention more apparent to those skilled in the art, the following examples will be presented. It should be noted that the following embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited to the following embodiments, and any modifications, substitutions, and combinations made without departing from the spirit and principles of the present invention are included in the scope of the present invention.
Claims (2)
1. A stone-like paint is characterized in that: comprises 40-60% of base paint, 10-30% of protective glue solution and 20-40% of continuous phase;
the base paint consists of the following components in percentage by mass,
10-20% of deionized water;
10-20% of resin;
5-10% of cellulose;
30-50% of filler;
2-5% of a first auxiliary agent;
15-30% of base paint emulsion;
1-3% of toner;
the resin is one or two of organic silicon modified polyester resin and anionic aliphatic polyurethane resin;
the cellulose comprises one or more combinations of hydroxyethyl cellulose, hydroxyethyl methylcellulose, hydrophobically modified hydroxyethyl cellulose;
the filler comprises a heat insulation material and a filling material;
the base paint emulsion comprises at least one of silicone-acrylic emulsion and pure acrylic emulsion;
the toner is at least one of iron red, iron yellow, cobalt blue and copper black;
the protective glue solution consists of the following components in percentage by mass,
92-96% of deionized water;
3-7% of protective adhesive;
0.5-1% of protective adhesive auxiliary agent;
the protective adhesive is modified organic magnesium lithium silicate;
the protective gum auxiliary agent comprises one or two of organic modified inorganic bentonite and xanthan gum;
the continuous phase consists of the following components in percentage by mass,
15-30% of deionized water;
30-45% of a second auxiliary agent;
40-60% of continuous phase emulsion;
the continuous phase emulsion comprises at least one of acrylic emulsion, silicon modified acrylic emulsion and aqueous polyurethane emulsion;
the heat insulation material comprises nano hollow microspheres, jin Gongwai stone type titanium dioxide, pearlescent mica sheets and boron nitride;
the particle size of the nano hollow microsphere is 0.01-0.02mm, the crystal size of the Jin Gongwai stone type titanium dioxide is 0.20-0.30mm, the pearlescent mica sheet is 100-600 meshes, and the particle size of the boron nitride is 60-500 mu m;
the filling material comprises one or a combination of a plurality of kaolin, quartz sand, nano bauxite, tourmaline powder, talcum powder, calcium carbonate and glass fiber powder;
the kaolin is 300-800 meshes, the quartz sand is 80-90 meshes, the nano bauxite is 100-400 meshes, the tourmaline powder is 100-400 meshes, the talcum powder is 100-400 meshes, the calcium carbonate is 200-800 meshes, and the granularity of the glass fiber powder is 15-20 mu m;
the first auxiliary agent is a bactericide, an antifreezing agent, a film-forming auxiliary agent, a pH regulator, a dispersing agent and a wetting agent; the film forming aid comprises alcohol ester twelve;
the second auxiliary agent is a mildew preventive, a thickening agent, a cross-linking agent, a coupling agent and a defoaming agent; the cross-linking agent is any one or a combination of at least two of polycarbodiimide, N-methylene bisacrylamide and vinyl triethoxysilane; the coupling agent is a silane coupling agent;
the bactericide comprises any one or more of 5-chloro-2-methyl-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one and 1, 2-benzisothiazolin-3-one;
the antifreezing agent comprises any one or a combination of at least two of propylene glycol, ethylene glycol, polyethylene glycol and polypropylene glycol;
the pH regulator is as follows: one or more of 2-amino-2-methyl-1-propanol, ammonia water or N, N-dimethylethanolamine;
the dispersing agent is a polyacrylic acid ammonium salt dispersing agent;
the wetting agent is octyl phenol polyoxyethylene ether;
the mildew preventive is pinus koraiensis;
the thickener comprises one or two of polyacrylate and associative polyurethane thickener;
the defoaming agent is an organosilicon defoaming agent;
the heat insulation material comprises the following components in percentage by mass:
30-60% of nano hollow micro beads;
jin Gongwai stone type titanium dioxide 30-50%;
20-30% of pearlescent mica flakes;
10-20% of boron nitride.
2. A method for preparing a stone-like paint as claimed in claim 1, comprising the steps of:
(1) Preparation of base paint: deionized water, resin, cellulose, filler, a first auxiliary agent and basic paint emulsion are put into a dispersing machine to be mixed, toner is added after uniform stirring, the basic paint is further uniformly dispersed, and the basic paint is taken out for standby;
(2) Preparation of a protective glue solution: putting deionized water, protective glue and protective glue auxiliary agent into a dispersing machine for mixing, dispersing uniformly to obtain the protective glue solution, and taking out for later use;
(3) Preparation of the continuous phase: deionized water, a second auxiliary agent and continuous phase emulsion are put into a dispersing machine to be mixed, the continuous phase is obtained after uniform dispersion, and the continuous phase is taken out for standby;
(4) Preparing stone-like paint: and mixing and granulating the base paint and the protective glue solution, adding the continuous phase, and uniformly stirring to obtain the stone-like paint coating.
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| CN104530874A (en) * | 2015-01-22 | 2015-04-22 | 北京莱恩斯涂料有限公司 | High-washing-resistance colorful coating and preparation method thereof |
| CN105969016A (en) * | 2016-05-19 | 2016-09-28 | 厦门富思特新材料科技有限公司 | Reflective insulation colorful coating and preparation method thereof |
| CN108276914A (en) * | 2018-01-15 | 2018-07-13 | 亚士漆(上海)有限公司 | Aqueous bush-hammered face imitates stone colour-wash containing sand and preparation method thereof |
| CN109796824A (en) * | 2018-12-17 | 2019-05-24 | 亚士漆(上海)有限公司 | A kind of emulation mineral varnish color grain, emulation mineral varnish and its preparation method and application |
| CN110183923A (en) * | 2019-06-29 | 2019-08-30 | 江苏七点建材有限公司 | A kind of colorful water-water coating and preparation method thereof |
| CN110564188A (en) * | 2019-09-11 | 2019-12-13 | 亚士漆(上海)有限公司 | Sand-in-water coating and preparation method and application thereof |
| CN111087196A (en) * | 2019-12-31 | 2020-05-01 | 宁波墨西科技有限公司 | Graphene composite sand-coated sand multicolor paint and preparation method thereof |
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