CN116814164A - Crack-resistant texture surface coating with long-acting elastic retention rate and preparation method thereof - Google Patents
Crack-resistant texture surface coating with long-acting elastic retention rate and preparation method thereof Download PDFInfo
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- 238000000576 coating method Methods 0.000 title claims abstract description 58
- 230000014759 maintenance of location Effects 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000000839 emulsion Substances 0.000 claims abstract description 28
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000005336 cracking Methods 0.000 claims abstract description 16
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 13
- 239000003899 bactericide agent Substances 0.000 claims abstract description 13
- 239000002270 dispersing agent Substances 0.000 claims abstract description 13
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- 239000002518 antifoaming agent Substances 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 10
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 9
- 239000011575 calcium Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 18
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 12
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 12
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 12
- 238000004132 cross linking Methods 0.000 claims description 9
- 239000004408 titanium dioxide Substances 0.000 claims description 7
- LVDKZNITIUWNER-UHFFFAOYSA-N Bronopol Chemical group OCC(Br)(CO)[N+]([O-])=O LVDKZNITIUWNER-UHFFFAOYSA-N 0.000 claims description 6
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical group CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 claims description 6
- 239000000440 bentonite Substances 0.000 claims description 6
- 229910000278 bentonite Inorganic materials 0.000 claims description 6
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 6
- 230000004048 modification Effects 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 5
- 230000005923 long-lasting effect Effects 0.000 claims description 5
- 239000001038 titanium pigment Substances 0.000 claims description 5
- 229920002292 Nylon 6 Polymers 0.000 claims description 4
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000013530 defoamer Substances 0.000 claims description 3
- 229920002522 Wood fibre Polymers 0.000 claims description 2
- 125000000129 anionic group Chemical group 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 239000002025 wood fiber Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 4
- 230000032683 aging Effects 0.000 abstract description 9
- 229910052724 xenon Inorganic materials 0.000 abstract description 7
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 abstract description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 3
- 239000001569 carbon dioxide Substances 0.000 abstract description 3
- 238000003763 carbonization Methods 0.000 abstract description 3
- 230000009545 invasion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 239000001913 cellulose Substances 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 235000010215 titanium dioxide Nutrition 0.000 abstract 1
- 239000003973 paint Substances 0.000 description 14
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 230000003712 anti-aging effect Effects 0.000 description 4
- 239000004566 building material Substances 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 210000004177 elastic tissue Anatomy 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
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- 239000004576 sand Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to an anti-cracking texture surface coating with long-acting elastic retention rate and a preparation method thereof. The texture surface coating comprises water, cellulose, an anti-settling agent, a dispersing agent, a pH regulator, titanium white powder, heavy calcium powder, functional filler, elastic emulsion, a defoaming agent, a bactericide and a leveling agent; the wall has super-strong elastic retention rate, can provide safety protection for the wall surface for a long time, prevents the wall body from being effectively protected due to cracks, causes invasion of rainwater and carbon dioxide gas, causes corrosion of reinforcing steel bars, and accelerates carbonization speed of the wall body; not only provides protection for the wall surface for a long time, but also can cover flaws generated by wall cracks for a long time and beautify the wall surface; the texture surface coating has no poor stain resistance because of high elasticity of the product, and the stain resistance meets the requirement of JG/T172-2014 elastic coating standard on the stain resistance; in addition, the ageing resistance of the texture surface coating can still be more than 75% under the ageing condition of a 1500h xenon lamp.
Description
Technical Field
The invention relates to the technical field of texture paint, in particular to an anti-cracking texture surface coating with a long-acting elastic retention rate and a preparation method thereof.
Background
With the continuous development of industrialization and urbanization in China, the infrastructure construction still keeps a larger scale. Meanwhile, various new materials are also developed rapidly, the texture paint is layered in endless three-dimensional textures and multiple-choice individuality collocations, the texture paint is very new, and the texture paint shows unique style.
The texture paint used in the market mainly comprises products such as real stone paint, ceramic sand aggregate texture paint, multi-color paint and the like, the space effect of the different texture paints is different, and the requirements on the texture paint are higher and higher along with the increasing of the living standard of people, so that the elastic texture paint appears in the field of vision of people, has various natural decorative effects and excellent flexibility, and can effectively bridge and cover fine cracks of a wall body; in addition, the waterproof and breathable decorative plate has the advantages of impact resistance, waterproof and breathable effects, good sound absorption effect, simple construction and capability of producing decorative effects with strong quality and different styles through different construction methods. The application of the elastic texture coating fully shows the natural random change of the times, is deeply favored by outdoor building decoration, and is widely applied to various buildings with high requirements on wall surfaces, such as high-rise houses, villas, hotels, restaurants, schools, theme parks, museums, gymnasiums, government office buildings, other public buildings and the like.
Although the elastic texture coating is widely applied, the elastic texture coating has a plurality of problems, especially the elastic texture surface coating of the outer wall, the outer wall coating is exposed outdoors throughout the year, the surrounding environment changes infinitely, and the aging speed is high, so the long-term elasticity retention rate of the coating is very challenging. The existing external wall texture surface coating has lower elasticity retention rate, even some related products have almost no elasticity after one year, and finally the cracks of the wall body cannot be effectively protected, so that the invasion of rainwater and carbon dioxide gas is caused, the corrosion of reinforcing steel bars is further caused, the carbonization speed of the wall body is accelerated, and the requirement of people on the material cannot be seriously met. Therefore, the development of the anti-cracking texture surface coating product with long-term elasticity retention rate is particularly important, and the protection time of the wall body can be greatly prolonged.
Disclosure of Invention
The invention aims to solve the technical problem of providing an anti-cracking texture surface coating with a long-acting elastic retention rate and a preparation method thereof. The invention reduces the influence of ultraviolet crosslinking solidification on the elasticity of the coating by selecting the elastic emulsion containing a small amount or no ultraviolet crosslinking auxiliary agent, and in addition, the grafting modified elastic emulsion is adopted to weaken the oxidation of the external environment on the coating and strengthen the anti-aging capability of the coating. The crack-resistant texture surface coating with long-acting elastic retention rate not only has long-acting elastic retention rate, but also has good stain resistance and convenient construction, can be widely used for various buildings with high requirements on wall surfaces, such as buildings of high-grade houses, villas, hotels, restaurants, schools, theme parks, museums, gymnasiums, government office buildings, other public buildings and the like, and has wide market prospect.
In order to solve the problems, the invention is realized by the following technical scheme:
the first object of the present invention is:
provides a preparation method of an anti-cracking texture surface coating with long-acting elastic retention rate,
the composite material comprises the following components in percentage by weight:
15 to 35 percent of water, 0.2 to 0.5 percent of hydroxyethyl cellulose, 0.1 to 0.3 percent of anti-settling agent, 0.1 to 0.2 percent of pH regulator, 0.3 to 0.9 percent of dispersing agent, 10 to 25 percent of titanium pigment, 10 to 20 percent of heavy calcium powder, 0.5 to 5 percent of functional filler, 20 to 40 percent of elastic emulsion, 0.2 to 0.6 percent of defoaming agent, 0.2 to 0.4 percent of bactericide, 0.3 to 0.9 percent of flatting agent, and the total of all components is 100 percent;
wherein the elastic emulsion is an elastic emulsion with a molecular structure subjected to grafting modification and containing a trace amount or no ultraviolet crosslinking auxiliary agent;
the preparation method comprises the following preparation steps:
A. adding water into a stirring tank according to a proportion, starting a stirring switch to stir, setting the rotating speed to be 400-600 r/min, then slowly adding hydroxyethyl cellulose and an anti-settling agent, and preparing a mixture A after full stirring;
B. adding a dispersing agent, a pH regulator, titanium dioxide, heavy calcium powder and a functional filler into the mixture A according to a proportion, and preparing a mixture B after uniformly stirring;
C. adding the elastic emulsion, the defoamer and the bactericide into the mixture B according to a proportion, and preparing a mixture C after uniformly stirring;
D. and adding a leveling agent into the mixture C according to the requirement to prepare the crack-resistant texture surface coating with long-acting elastic retention rate.
The prepared anti-cracking texture surface coating with the long-acting elastic retention rate has super-strong ageing resistance, the elastic retention rate can still be more than 75% under the ageing condition of a 1500h xenon lamp, the wall surface is effectively protected for a long time, the invasion of rainwater and carbon dioxide gas caused by the fact that cracks of the wall body are not effectively protected is prevented, reinforcing steel bars are further corroded, and the carbonization speed of the wall body is accelerated; in addition, the wall surface can be protected for a long time, and meanwhile, flaws generated by wall cracks can be covered for a long time, so that the effect of beautifying the wall is achieved.
The preparation method of the crack-resistant texture surface coating with the long-acting elastic retention rate is further optimized as follows:
the hydroxyethyl cellulose is one or a combination of more of HE-10K, 250HBR and 250 HHbR; and/or
The anti-settling agent is organic bentonite WX; and/or
The pH regulator is AMP-95.
The preparation method of the crack-resistant texture surface coating with the long-acting elastic retention rate is further optimized as follows:
the dispersing agent is one or a combination of several of anionic SN5027, 5040 and XA 450; and/or
The titanium dioxide is one or two of rutile titanium dioxide R706 and R996; and/or
The heavy calcium powder is one or a combination of 500 meshes, 700 meshes and 1000 meshes; and/or
The functional filler is one or a combination of more of wood fiber B1000, nylon 6 fiber and nylon 66 fiber.
The preparation method of the crack-resistant texture surface coating with the long-acting elastic retention rate is further optimized as follows:
the elastic emulsion is one or a combination of more than one of Archsol8015A, BLJ-963M, BLJ-963F.
The preparation method of the crack-resistant texture surface coating with the long-acting elastic retention rate is further optimized as follows:
the defoaming agent is FoamStar 2410; and/or
The bactericide is BIOBAN 623A; and/or
The leveling agent is TT-935.
The second object of the present invention is:
there is provided an anti-crack texture surface coating having a long-lasting elastic retention, which is prepared by the aforementioned preparation method.
According to the anti-cracking texture surface coating with the long-acting elastic retention rate, the influence of ultraviolet crosslinking curing on the elasticity of the coating is reduced by selecting the elastic emulsion with less ultraviolet crosslinking auxiliary agent, and in addition, the oxidation of the external environment on the coating is weakened by adopting the modified elastic emulsion, so that the anti-aging capability of the coating is enhanced.
The texture surface coating prepared by the preparation method of the anti-cracking texture surface coating with the long-acting elastic retention rate has the following characteristics:
1. the long-acting anti-cracking texture surface coating prepared by the method has super-strong ageing resistance, and the elastic retention rate can be more than 75% under the condition of ageing a xenon lamp for 1500 hours, which is far higher than that of similar products in the market.
2. The long-acting anti-cracking textured surface coating prepared by the method has good stain resistance, ensures high elastic retention rate, and simultaneously still meets the stain resistance requirement of JG/T172-2014 elastic coating standard on the elastic coating.
3. The long-acting anti-cracking textured surface coating prepared by the method disclosed by the invention has the advantages of outstanding water resistance and alkali resistance, can withstand long-term test in severe environments, and has good practicability.
4. The long-acting anti-cracking texture surface coating prepared by the method has simple and easy process and strong adhesive force, still meets the requirement of GB/T9286 on level 1 after soaking in water, and can avoid the phenomenon that the coating falls off due to poor adhesion of the coating for a long time; in addition, the long-acting anti-cracking texture surface coating prepared by the method is widely applied, can be used for common residential houses, schools, hospitals, gymnasiums, museums, government office buildings and the like, and can also be used for high-requirement high-rise houses, villas, hotels, theme parks and other buildings, and has wide market application prospect.
Detailed Description
The present invention will be described in detail with reference to specific embodiments thereof in order to make the application, technical solutions and advantages of the present invention more apparent. It should be understood that the examples are only for illustrating the present invention, but not for limiting the scope of the present invention, and that any simple modification of the preparation method of the present invention under the premise of the inventive concept falls within the scope of the present invention.
Example 1 an anti-crack texture topcoat with long-term elastic retention
An anti-cracking texture surface coating with long-acting elastic retention rate comprises the following components in percentage by weight:
15 to 35 percent of water, 0.2 to 0.5 percent of hydroxyethyl cellulose, 0.1 to 0.3 percent of anti-settling agent, 0.1 to 0.2 percent of pH regulator, 0.3 to 0.9 percent of dispersing agent, 10 to 25 percent of titanium pigment, 10 to 20 percent of heavy calcium powder, 0.5 to 5 percent of functional filler, 20 to 40 percent of elastic emulsion, 0.2 to 0.6 percent of defoaming agent, 0.2 to 0.4 percent of bactericide, 0.3 to 0.9 percent of flatting agent, and the total of all components is 100 percent;
wherein the elastic emulsion is an elastic emulsion with a molecular structure subjected to grafting modification and containing a trace amount or no ultraviolet crosslinking auxiliary agent;
the preparation method comprises the following preparation steps:
A. adding water into a stirring tank according to a proportion, starting a stirring switch to stir, setting the rotating speed to be 400-600 r/min, then slowly adding hydroxyethyl cellulose and an anti-settling agent, and preparing a mixture A after full stirring;
B. adding a dispersing agent, a pH regulator, titanium dioxide, heavy calcium powder and a functional filler into the mixture A according to a proportion, and preparing a mixture B after uniformly stirring;
C. adding the elastic emulsion, the defoamer and the bactericide into the mixture B according to a proportion, and preparing a mixture C after uniformly stirring;
D. and adding a leveling agent into the mixture C according to the requirement to prepare the crack-resistant texture surface coating with long-acting elastic retention rate.
Composition table (mass%) of each raw material in example 1:
the following are the raw materials specifically employed in each of the examples and comparative examples:
experimental group 1 #: hydroxyethyl cellulose 250HBR, an anti-settling agent organic bentonite WX, a PH regulator AMP-95, a dispersing agent SN5027, titanium pigment R706, heavy calcium carbonate CC-700, functional filler nylon 6 fiber, elastic emulsion BLJ-963M, a defoaming agent FoamStar 2410, a bactericide BIOBAN 623A and a leveling agent TT-935;
group 2: hydroxyethyl cellulose HE-10K, an anti-settling agent organic bentonite WX, a pH regulator AMP-95, a dispersing agent 5040, titanium pigment R996, heavy calcium carbonate CC-500, functional filler nylon 6 fibers, elastic emulsion BLJ-963M, a defoaming agent FoamStar 2410, a bactericide BIOBAN 623A and a leveling agent TT-935;
3# experimental group: hydroxyethyl cellulose 250HBR, an anti-settling agent organic bentonite WX, a pH regulator AMP-95, a dispersing agent 5040, titanium dioxide R996, heavy calcium carbonate CC-1000, functional filler nylon 66 fiber, elastic emulsion Archsol8015A, a defoaming agent FoamStar 2410, a bactericide BIOBAN 623A and a leveling agent TT-935;
comparative example: hydroxyethyl cellulose 250HBR, an anti-settling agent organic bentonite WX, a pH regulator AMP-95, a dispersing agent 5040, titanium dioxide R996, heavy calcium carbonate CC-1000, functional filler nylon 66 fiber, elastic emulsion 9689AS, an antifoaming agent FoamStar 2410, a bactericide BIOBAN 623A and a leveling agent TT-935;
in the experiment group 1, after the paint is aged for 1500 hours by a xenon lamp, the mechanical property detection is carried out according to the JG/T172-2014 elastic building material standard, and the elastic retention rate is 76%.
In the experiment group 2, after the paint is aged for 1500 hours by a xenon lamp, the mechanical property detection is carried out according to the JG/T172-2014 elastic building material standard, and the elastic retention rate is 77%.
In the 3# experiment group, after the paint is aged for 1500 hours by a xenon lamp, the mechanical property detection is carried out according to the JG/T172-2014 elastic building material standard, and the elastic retention rate is 79%.
In the comparative example, the coating was subjected to mechanical property detection according to JG/T172-2014 elastic building material standard after aging for 1500 hours in a xenon lamp, and the elastic retention rate was 46%.
Example 3 in comparison with the comparative example, under the same conditions, the elastic retention after 1500h aging of the conventional elastic emulsion was far less than that of the modified emulsion Archsol8015A, which was less than 50%. Therefore, whether an appropriate elastic emulsion can be selected is a key point of the present invention, and according to the comparison of the embodiment 3 and the comparative example of the present invention, the elastic emulsion is selected to have a molecular structure which is grafted and modified, and the elastic emulsion containing a small amount of ultraviolet crosslinking assistant or no ultraviolet crosslinking assistant can cooperate with other raw materials of the present invention, so that a larger increase in the elastic retention rate is generated.
The coating elastic retention test results of examples 1-3 were 76%, 77%, 79%, respectively, compared to similar crack resistant texture products on the market such as: mo Lei coating, dolerson coating and the like, and under the same conditions, the anti-aging elastic retention rate is less than 40%, so that the increasing demands of people on the anti-aging performance of texture coating can not be met.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; those skilled in the art should appreciate that many modifications, adaptations, and variations of the disclosed technology can be made without departing from the scope of the present invention; meanwhile, any equivalent changes, modifications and evolution made to the above embodiments according to the essential technology of the present invention still fall within the scope of the technical solution of the present invention.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The experimental methods of the present invention, in which specific conditions are not specified, are generally performed under conventional conditions or under conditions recommended by the manufacturer.
The various optimized technical schemes in the invention can be combined with each other unless otherwise stated.
Percentages and parts are weight percentages and parts unless otherwise indicated.
The experimental methods in the specification and examples, in which specific conditions are not specified, are generally performed under conventional conditions or under conditions recommended by the manufacturer.
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. In addition, any methods and materials similar or equivalent to those described herein can be used in the methods of the present invention.
Claims (6)
1. A preparation method of an anti-cracking texture surface coating with a long-acting elastic retention rate is characterized by comprising the following steps:
the composite material comprises the following components in percentage by weight:
15 to 35 percent of water, 0.2 to 0.5 percent of hydroxyethyl cellulose, 0.1 to 0.3 percent of anti-settling agent, 0.1 to 0.2 percent of pH regulator, 0.3 to 0.9 percent of dispersing agent, 10 to 25 percent of titanium pigment, 10 to 20 percent of heavy calcium powder, 0.5 to 5 percent of functional filler, 20 to 40 percent of elastic emulsion, 0.2 to 0.6 percent of defoaming agent, 0.2 to 0.4 percent of bactericide, 0.3 to 0.9 percent of flatting agent, and the total of all components is 100 percent;
wherein the elastic emulsion is an elastic emulsion with a molecular structure subjected to grafting modification and containing a trace amount or no ultraviolet crosslinking auxiliary agent;
the preparation method comprises the following preparation steps:
A. adding water into a stirring tank according to a proportion, starting a stirring switch to stir, setting the rotating speed to be 400-600 r/min, then slowly adding hydroxyethyl cellulose and an anti-settling agent, and preparing a mixture A after full stirring;
B. adding a dispersing agent, a pH regulator, titanium dioxide, heavy calcium powder and a functional filler into the mixture A according to a proportion, and preparing a mixture B after uniformly stirring;
C. adding the elastic emulsion, the defoamer and the bactericide into the mixture B according to a proportion, and preparing a mixture C after uniformly stirring;
D. and adding a leveling agent into the mixture C according to the requirement to prepare the crack-resistant texture surface coating with long-acting elastic retention rate.
2. The method for producing an anti-crack texture surface coating having a long-lasting elastic retention according to claim 1, characterized by:
the hydroxyethyl cellulose is one or a combination of more of HE-10K, 250HBR and 250 HHbR; and/or
The anti-settling agent is organic bentonite WX; and/or
The pH regulator is AMP-95.
3. The method for producing an anti-crack texture surface coating having a long-lasting elastic retention according to claim 1, characterized by:
the dispersing agent is one or a combination of several of anionic SN5027, 5040 and XA 450; and/or
The titanium dioxide is one or two of rutile titanium dioxide R706 and R996; and/or
The heavy calcium powder is one or a combination of 500 meshes, 700 meshes and 1000 meshes; and/or
The functional filler is one or a combination of more of wood fiber B1000, nylon 6 fiber and nylon 66 fiber.
4. The method for producing an anti-crack texture surface coating having a long-lasting elastic retention according to claim 1, characterized by:
the elastic emulsion is one or a combination of more than one of Archsol8015A, BLJ-963M, BLJ-963F.
5. The method for producing an anti-crack texture surface coating having a long-lasting elastic retention according to claim 1, characterized by:
the defoaming agent is FoamStar 2410; and/or
The bactericide is BIOBAN 623A; and/or
The leveling agent is TT-935.
6. An anti-cracking texture surface coating with long-acting elastic retention rate is characterized in that:
which is prepared by the preparation method according to any one of claims 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310818563.0A CN116814164A (en) | 2023-07-05 | 2023-07-05 | Crack-resistant texture surface coating with long-acting elastic retention rate and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310818563.0A CN116814164A (en) | 2023-07-05 | 2023-07-05 | Crack-resistant texture surface coating with long-acting elastic retention rate and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102863898A (en) * | 2012-09-18 | 2013-01-09 | 张立功 | Anti-cracking texture paint preparation method and product thereof |
| CN103525203A (en) * | 2013-09-28 | 2014-01-22 | 青岛益群漆业集团有限公司 | Hydrophobic self-cleaning paint |
| CN103614018A (en) * | 2013-11-08 | 2014-03-05 | 青岛益群漆业集团有限公司 | Development of elastic antiacid energy-saving environment-friendly texture coating |
| CN111073425A (en) * | 2019-12-30 | 2020-04-28 | 广州昊特建材有限公司 | Acid rain resistant elastic napping paint and preparation method thereof |
| KR102278540B1 (en) * | 2020-10-26 | 2021-07-15 | 정익수 | Putty composition with low temperature resistance and elasticity for repairing crack in concrete structure and the reparing method using the same |
-
2023
- 2023-07-05 CN CN202310818563.0A patent/CN116814164A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102863898A (en) * | 2012-09-18 | 2013-01-09 | 张立功 | Anti-cracking texture paint preparation method and product thereof |
| CN103525203A (en) * | 2013-09-28 | 2014-01-22 | 青岛益群漆业集团有限公司 | Hydrophobic self-cleaning paint |
| CN103614018A (en) * | 2013-11-08 | 2014-03-05 | 青岛益群漆业集团有限公司 | Development of elastic antiacid energy-saving environment-friendly texture coating |
| CN111073425A (en) * | 2019-12-30 | 2020-04-28 | 广州昊特建材有限公司 | Acid rain resistant elastic napping paint and preparation method thereof |
| KR102278540B1 (en) * | 2020-10-26 | 2021-07-15 | 정익수 | Putty composition with low temperature resistance and elasticity for repairing crack in concrete structure and the reparing method using the same |
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