KR20070010993A - Coating for building materials and manufacturing method thereof - Google Patents

Abstract

Provided is a coating agent for building materials, which improves durability of building materials to prevent or inhibit deterioration of a structure and has anion-releasing, anti-bacterial, anti-fungal, and deodorant functions. The coating agent for building materials is prepared by the steps of: preparing a liquid binder by adding 0.05-0.5wt% of an emulsifier to 35-50wt% of a polymeric dispersion to be stirred; mixing 10-30wt% of a far infrared emitting agent, 3-12wt% of an anion emitting agent, 3-7wt% of an inorganic antibacterial agent, 8-12wt% of natural zeolite, and 1-5wt% of titanium dioxide to prepare a mixed powder; adding the mixed powder while stirring the liquid binder; and mixing the mixture with 1-5wt% of nanosilver sol.

Description

Building material surface coating agent and its manufacturing method {COATING FOR BUILDING MATERIALS AND MANUFACTURING METHOD THEREOF}

The present invention relates to a building material surface coating agent and a method of manufacturing the same, and more particularly, it is applied to the surface of the building material to improve the durability of the building material and at the same time environmentally friendly building material surface coating agent having functions such as far infrared radiation, anion emission, antibacterial, deodorizing and It relates to a manufacturing method.

Long-term indoor spaces lead to illnesses such as headaches, dizziness, loss of concentration, bronchitis, and asthma due to lack of oxygen and air pollution. Building syndrome, which is annoying and tired of contaminated air in confined spaces, is commonly experienced by modern people. Will be done. This is mainly due to harmful substances emitted from various building materials, such as radon, formaldehyde, asbestos.

Therefore, environmentally friendly building paints or coatings have been developed to suppress the emission of harmful substances by applying paints or coatings of various materials to the building surface to be constructed.

In the past, it was noted that far infrared rays have a beneficial effect on the human body, but a substance such as elvan is emitted with far-infrared rays. However, this is mainly used for far-infrared radiation. In addition, there was a limit to increasing the durability of the building surface.

Accordingly, the inventor of the present invention succeeded in developing an environmentally friendly building material surface coating agent having functions such as far-infrared radiation, anion emission, antibacterial, and deodorization while improving durability of the building material.

An object of the present invention is to apply to the surface of the building material to improve the durability of the building material and at the same time to provide an environmentally friendly building material surface coating agent having functions such as far infrared radiation, anion emission, antibacterial, deodorizing.

Another object of the present invention to provide an environmentally friendly building material surface coating method for manufacturing.

In order to achieve the above object, the building material surface coating agent of the present invention 10 to 30% by weight of far-infrared radiation agent, 3 to 12% by weight anion release agent, 1 to 5% by weight silver nanosol, 3 to 7% by weight inorganic antibacterial agent, fluorite 8 to 12% by weight, 1 to 5% by weight of titanium dioxide, 35 to 50% by weight of the polymer dispersion and 0.05 to 0.5% by weight of the emulsifier.

In the building material surface coating agent of the present invention, the far-infrared radiating agent is a material that emits far-infrared radiation, any material that emits far-infrared radiation may be used, it is preferably contained 10 to 30% by weight based on the total weight of the coating composition.

In the present invention, the far-infrared radiation agent is preferably used in combination with at least two or more of ocher, illite, jade powder.

When the far-infrared radiation agent is contained in less than 10% by weight, the far-infrared radiation effect is insignificant, and when it exceeds 30% by weight, there is a problem in that the difference in the far-infrared emission effect is not great and the bonding strength of the coating agent is lowered.

The far-infrared spinning agent used more preferably in this invention is a mixture which consists of 20-40 weight% of ocher, 20-40 weight% of elite, and 20-40 weight% of jade powder with respect to the total weight of a far-infrared radiation agent.

The loess used in the present invention is preferably processed loess and is processed loess commonly used in the art to which the present invention belongs. An example is calcined ocher.

In the present invention, the far-infrared spinning agent is in powder form, the powder degree is preferably 2000 brain or more, and more preferably 8000 brain or more. The larger the powder, the greater the far-infrared radiation effect.

In the building material surface coating agent of the present invention, the anion releasing agent may be used as any material in which the anion is released, and it is preferably contained 3 to 12% by weight based on the total weight of the coating composition.

In the present invention, it is preferable that the anion releasing agent is monazite, elutite, tourmaline, binchotan, mica, or at least two or more thereof.

When the anion-releasing agent is contained less than 3% by weight, the anion-releasing effect is insufficient, and when the anion-releasing agent is more than 12% by weight, there is a problem of poor workability and economical.

In the present invention, the anion releasing agent is in powder form, preferably at least 4000 brains, and more preferably at least 8000 brains. The larger the powder, the greater the anion release effect.

In the present invention, when at least two or more of monazite, elutite, tourmaline, binchotan and biotite are used as the anion releasing agent, a method of preparing the anion releasing agent mixture is as follows. That is, at least two or more of the monazite, the eluting stone, tourmaline, binchotan and sorghum are mixed and then calcined at 500 to 600 ° C. At the time of grinding, aluminum-stearate is added as 0.005 to 0.03% by weight based on the total weight of the anion-releasing agent mixture. When the content of aluminum-stearic acid is 0.005 to 0.03% by weight, the desired powderiness of the anion release agent is obtained. If aluminum-stearic acid is not used, the anionic emitter components may generate static electricity, resulting in coagulation, resulting in reduced powder.

Monazite used as an anion releasing agent in the present invention is purified monazite, which is a monazite purified by a conventional method.

The anion releasing agent used more preferably in the present invention is a mixture of purified monazite, elation, tourmaline, binchotan and mica. The amount of each material to be mixed will depend on the intended use of the final production coating.

In the building material surface coating agent of the present invention, silver nano sol (antimicrobial silver) is antimicrobial, anti-fungal function, preferably containing 1 to 5% by weight based on the total weight of the coating composition. When the silver nanosol is contained in less than 1% by weight in the present invention, when the antimicrobial, anti-fungal effect is insignificant and exceeds 5% by weight, there is a problem that the economic difference is not large without a large difference.

In the present invention, the silver nanosol is 8000 to 20000 ppm is used, 9000 to 12000 ppm is preferably used.

The silver nanosol used in the present invention may be purchased and used commercially available to those skilled in the art.

In the building material surface coating agent of the present invention, the inorganic antimicrobial agent may be used as an antimicrobial agent that is commonly used as an antimicrobial agent, it is preferably contained 3 to 7% by weight based on the total weight of the coating composition.

In the present invention, it is preferable that at least two inorganic antibacterial agents are selected from the group consisting of silica, aluminum oxide, zinc and silver powder and mixed.

When the inorganic antimicrobial agent is contained in less than 3% by weight, the antimicrobial effect is insignificant, and when the amount exceeds 7% by weight, there is a problem in that the economical difference is not great.

Inorganic antimicrobial agents more preferably used in the present invention are a mixture consisting of silica, aluminum oxide, zinc and silver powder.

In the present invention, the inorganic antimicrobial agent is preferably used in powder form.

The inorganic antimicrobial agent used in the present invention preferably has a specific gravity of 1.99 ± 0.01 and a heat resistance temperature of less than 800 ° C.

In the building material surface coating agent of the present invention, fluorite serves as a deodorizing function for volatile organic compounds, formaldehyde and ammonia, and preferably contains 8 to 12% by weight based on the total weight of the coating composition.

The fluorite used in the present invention is a natural fluorite, and a natural fluorite processed by a conventional method is preferably used.

The processed natural fluorite used in the present invention is preferably calcined at 500 ° C. ± 50 and pulverized to 400 ± 50 mesh.

In the building material surface coating agent of the present invention, titanium dioxide deodorizes the volatile organic compound and formaldehyde due to the photocatalytic effect, and preferably contains 1 to 5% by weight based on the total weight of the coating composition.

In the present invention, titanium dioxide is 89-98% purity, 400 mesh or more is preferably used. The smaller the particles, the greater the deodorizing effect.

In the building material surface coating agent of the present invention, the polymer-based dispersion is to improve the durability of the member surface through the formation of a coating film may be used a polymer-based dispersion commonly used in the art to which the present invention belongs, the coating composition total weight It is preferably contained 35 to 50% by weight.

In the present invention, it is preferable that the polymer dispersion is used as an acrylic binder, acrylic, ethylene vinyl acetate, polyvinyl alcohol, or at least two or more thereof.

When the above-mentioned polymer-based dispersion contains less than 35% by weight, the durability of the surface of the coating film is inadequate, and when it exceeds 50% by weight, the content of a substance imparting functionality to the coating is lowered, such as far-infrared radiation and anion emission. There is a problem that the function is incomplete.

In particular, when the acrylic type is used as the polymer dispersion in the present invention, the solid content is 53 to 56% and the viscosity (cps RVT. 20 rpm 25 ℃) is preferably 1200 to 2100, less than the premonomer 0.5.

In the building material surface coating agent of the present invention, a fluorine-based nonionic emulsifier is used to emulsify the powder and the liquid phase and to stabilize the coating agent.

The fluorine-based nonionic emulsifiers preferably used in the present invention are nonionic fluoroalkyl-containing polyalkylene oxides such as fluoroalkyl sulfonic acid amide, modified polyalkylene oxide and the like. Here, the alkyl group is methyl, ethyl, propyl, butyl, pentyl, hexyl group and the like.

The building material surface coating agent of the present invention may be made of 0.05 to 0.15% by weight of nonionic stabilizer, 0.05 to 0.15% by weight of nonionic antifoaming agent, 0.05 to 0.15% by weight of nonionic leveling agent or at least two or more thereof. have.

In the present invention, the stabilizer prevents delamination of the finished coating agent and performs the function of storage stability, the antifoaming agent serves to prevent foaming, and the leveling agent functions to flatten the surface of the coated coating agent. Nonionic stabilizers, defoamers and leveling agents used in the present invention are those commonly used in the field of the present invention.

The nonionic stabilizer, the nonionic antifoaming agent and the nonionic leveling agent may be further added to increase the stability of the coating agent of the present invention.

The building material surface coating agent of the present invention may be diluted and used depending on the purpose of use, and water or a water-soluble solvent may be used.

Hereinafter, the manufacturing method of the building material surface coating agent of this invention is demonstrated.

Method for producing a building material surface coating agent of the present invention comprises the steps of adding a 0.05 to 0.5% by weight emulsifier to 35 to 50% by weight polymer dispersion to prepare a liquid binder; Preparing a powder mixture by mixing 10 to 30 wt% far-infrared spinning agent, 3 to 12 wt% anion releasing agent, 3 to 7 wt% inorganic antibacterial agent, 8 to 12 wt% fluorite, and 1 to 5 wt% titanium dioxide; Mixing the powder mixture while stirring the liquid binder; And mixing 1 to 5% by weight silver nanosol in the mixture.

First, 0.05 to 0.5 wt% emulsifier is added to 35 to 50 wt% polymer dispersion and sufficiently stirred to prepare a liquid binder.

A powder mixture is prepared by thoroughly mixing 10 to 30% by weight far infrared ray spinning agent, 3 to 12% by weight anion releasing agent, 3 to 7% by weight inorganic antibacterial agent, 8 to 12% by weight fluorite, and 1 to 5% by weight titanium dioxide.

The liquid binder is added to the stirrer and stirred while gradually adding the powder mixture while stirring at 100 to 150 rpm per minute. At this time, the input time of the powder mixture will vary depending on the amount added.

When the addition of the powder mixture is added 1 ~ 5% by weight of 8000 to 20000ppm silver nanosol and after stirring to adjust the stirring speed to 200 ~ 300rpm per minute (hours) it is aged for 1 hour or more.

 At this time, when the contents are scooped up with a spoon or the like and flow down to the extent that the flow does not cease, the dispersion is to be evenly distributed, and the stirring is stopped.

In the method for preparing a building material surface coating agent of the present invention, the anion releasing agent is prepared by monazite, elation stone, tourmaline, binchotan, mica, or at least two or more thereof.

In this case, when two or more are selected and mixed, the selected material is calcined at 500 to 600 ° C. and aluminum-stearic acid is added by 0.005 to 0.03% by weight based on the total weight of the anion-releasing agent mixture, followed by grinding to grind the anion-releasing mixture. To prepare.

In the method of manufacturing a building material surface coating agent of the present invention, the nonionic stabilizer 0.05 to 0.15 wt%, the nonionic antifoaming agent 0.05 to 0.15 wt%, the nonionic leveling agent 0.05 to 0.15 wt% Two or more of them may be added and manufactured.

In the following examples look at in detail the building material surface coating agent of the present invention and its manufacturing method.

<Example 1>

2 g of a nonionic fluorinated emulsifier was added to 458 g of the acrylic polymer dispersion, and sufficiently stirred to prepare a liquid binder. A powder mixture was prepared by mixing 270 g of calcined ocher powder with a far-infrared radiator or more, 700 g of calcined ocher, 90 g of purified monazite powder with an anion emitter, 40 g of silica, 400 g of 400 mesh processed natural fluorite powder, and 20 g of titanium dioxide with an inorganic antimicrobial agent. The liquid binder was added to a stirrer and stirred while slowly mixing with the powder mixture while stirring at 100 rpm per minute. 30g of 8000 ppm silver nanosol was added to the mixture of the liquid binder and the powder mixture, and the stirring rate was increased to 250 rpm per minute to aging and stirred for 1 hour to prepare a coating agent.

<Example 2>

To 398 g of ethylene vinyl acetate polymer dispersion, 1 g of a nonionic fluorine-based emulsifier and 1 g of a nonionic silicone stabilizer were added thereto, followed by stirring sufficiently to prepare a liquid binder. 50 g of purified monazite powder and 50 g of tourmaline were mixed, calcined at 500 ° C., and 0.01 g of aluminum-stearic acid was added, followed by grinding to prepare an anion release agent. 150 g of calcined ocher with powder degree of 8000 brain or more and 150 g of powder of elite or more with powder degree of 8000 brain as an anion releasing agent prepared above and 150g of powder degree of 8000 brain or more; 20 g of titanium dioxide was mixed evenly to prepare a powder mixture. The liquid binder was added to the stirrer and stirred while slowly mixing with the powder mixture over 1 hour while slowly stirring at 120 rpm. 2000 g of silver nanosol was added to the mixture of the liquid binder and the powder mixture, and the stirring rate was increased to 280 rpm per minute, followed by aging and stirring for 1 hour to prepare a coating agent.

<Example 3>

As a polymer dispersion, 1 g of a nonionic fluorine emulsifier, 1 g of a nonionic silicone stabilizer, and 1 g of a nonionic silicone antifoam are added to 227 g of ethylene vinyl acetate-based dispersion and 200 g of a polyvinyl alcohol-based dispersion, and the liquid binder is sufficiently stirred. Prepared. 20 g of purified monazite powder, 20 g of tourmaline, and 20 g of binchotan were mixed and calcined at 550 ° C., followed by addition of 0.012 g of aluminum-stearic acid, followed by grinding to prepare an anion release agent. 100 g of calcined ocher with powder degree of 8000 brain or more, 100 g of elite powder of 8000 brain or more, and 100 g of jade powder of 8000 brain or more, and 10 g of silica, 20 g of aluminum oxide, and zinc powder as an inorganic antimicrobial agent. A powder blend was prepared by mixing 20 g, 400 mesh processed natural fluorite powder and 100 g of titanium dioxide. The liquid binder was added to the stirrer and stirred while slowly mixing with the powder mixture over 1 hour while slowly stirring at 120 rpm. 30 g of silver nanosol was added to a mixture of the liquid binder and the powder mixture, and the stirring rate was increased to 280 rpm per minute to aging and stirred for 1 hour to prepare a coating agent.

<Example 4>

To the 386 g of the acrylic polymer dispersion, 1 g of a nonionic silicone stabilizer, 1 g of a nonionic silicon antifoaming agent, 1 g of a nonionic silicon leveling agent, and 1 g of a nonionic fluorine-based emulsifier were added and stirred sufficiently to prepare a liquid binder. 20 g of purified monazite, 20 g of elated stones, 20 g of tourmaline, 20 g of binchotan and 20 g of mica were calcined at 600 ° C., and 0.01 g of aluminum-stearic acid was added and ground to prepare an anion release agent. 100g of processed yellow clay with powder degree of 8000 brain or more, 100g powder of 8000 brain or more of powder and 8000 brain or more of ionic powder 100g, 10g of silica with inorganic antibacterial agent, 10g of aluminum oxide, A powder mixture was prepared by mixing 10 g of zinc, 20 g of silver powder, 100 g of 400 mesh processed natural fluorite powder, and 30 g of titanium dioxide. The liquid binder was added to the stirrer and stirred while slowly mixing with the powder mixture over 1 hour while slowly stirring at 120 rpm. 3000 g of silver nanosol was added to the mixture of the liquid binder and the powder mixture, and the stirring rate was increased to 250 rpm per minute, followed by aging and stirring for 1 hour to prepare a coating agent.

The physical properties and functionalities of the coating agent of the present invention using the coating agent prepared in Example 4 were carried out by the following method and the results are shown in the table.

<Test 1> Specific gravity, viscosity, solids measurement

     Specific gravity was measured under the conditions of KSM-5000-'90, Viscosity of Korea Industrial Standard KSM-3705-'96, SP No3, 20rpm, and solid content (%) using KSM-5000-'90. It was measured by.

TABLE 1 Physical Properties of Coatings of the Invention

Test Items result Test Methods Specific gravity (25 ℃) 1.34 KSM-5000-'90 Viscosity (CP) SP No3, 20 rpm 2100 KSM-3705-'96 Solid content (%) 66-67 KSM-5000-'90

<Test 2> Far-Infrared Emissivity and Radiation energy  Measure

It was measured using the evaluation method of KICM-FIR-1005.

TABLE 2 Far-infrared emissivity of the coating agent of the present invention

Test Items Test result Test Methods Far Infrared Emissivity (40 ℃) Emissivity (5-20㎛) 0.918 Measurement result compared to black body using KICM-FIR-1005 FT-IR Spectrometer Radiation energy (w / ㎡) 3.70 X 10 ²

Test 3 Anion Measurement

It was measured using the evaluation method of KICM-FIR-1042.

[Table 3] The amount of negative ions generated by the coating agent of the present invention

Test Items Test result Test Methods Anion (Ion / cc) 10% of anion release agent added 3032 KICM-FIR-1042 Test piece inner diameter: 44mm, cylinder 296mm high, room temperature 26 ℃, humidity 65% Anion water in the atmosphere: 73cc Add 7% of anion release agent 2311 5% of anion release agent 1201

Test 4 Antibacterial and Antifungal  exam

     The antimicrobial test was conducted using KICM-FIR-1002 method, and the antifungal test was measured using ASTM G-21 method.

[Table 4] Antimicrobial activity of the coating agent of the present invention

 Test Items Test result  Test Methods Initial concentration (CFU / 40C) Concentration after 24 hours (CFU / 40C) Bacterial Reduction Rate (%) Antibacterial test by E. coli BLANK 436 1952 -  KICM-FIR-1002 Example 1 436 One 99.8 Antibacterial test by Pseudomonas aeruginosa BLANK 418 1962 - Example 1 418 One 99.8

Strains used: Escherichia col: 25922

Pseudomonas aeruginosa ATCC 15442

TABLE 5 Antifungal mold of the present invention coating

 Test Items Antifungal test Period of culture test 1 week later after 2 weeks 3 weeks later 4 weeks later Test result ○ ○ ○ ○ Test Methods ASTM G-21

Test Result ○: Growth of bacteria in the sample is not recognized.

Mold Strains (Mixed strains)

Aspergillus niger ATCC 9642

Pennicillium pino philum ATCC 11797

Chaetomium globosum ATCC 6205

Gliosiadium virens ATCC 9645

Aureobasidium pullulans ATCC 15233

<Test 5> Deodorization test

     KICM-FIR-1085, Deodorization test by gas detection tube method, was used.

[Table 6] Deodorization test of the coating agent of the present invention

Test Items Deodorization test (NH ₃ ) Deodorization test (formaldehyde) Elapsed time (minutes) Blank concentration (ppm) Sample concentration (ppm) Deodorization rate (%) Elapsed time (minutes) Blank concentration (ppm) Sample concentration (ppm) Deodorization rate (%)  Test result 30 194 83 57.2 30 194 84 56.7 60 152 60 60.5 60 152 60 60.5 90 131 49 62.6 90 131 50 61.8 120 116 42 63.8 120 116 44 62.1 Test Methods KICM-FIR-1085

<Test 6> Durability Test

     Among the durability test items, crack resistance and water absorption are KS F-4919, KS F 4930 for water permeability test, KS F-4930 for penetration resistance of chloride ion, KS F-4936 for water resistance and adhesion, and KS D-6711 for shock resistance test. It was measured by KS M-5307, and salt spray test for preventing structure deterioration was performed by KS D-9502 and neutralization test.

[Table 7] Durability test of the coating agent of the present invention

Test Items Test result Test Methods Water absorption (g) 0.02 KS F-4919 Adhesion 100/100 KS D-6711 Water resistance (appearance) clear JIS K-5400 Water resistance 0.01 KS F 4930 Crack resistance clear KS F-4919 Neutralization (neutralization depth measurement after 5% CO ₂ 168 treatment) No neutralization Neutralization depth measurement after coating sample 5% CO ₂ , 168 hours Salt spray test (3000h) clear KS D-9502 Chloride Ion Penetration Resistance (Coulombs) 596 KS F-4936 (standard less than 1000) Impact resistance test (direct 1/2 ", 500g, 300mm) clear KS M-5307

The coating agent of the present invention is an environmentally-friendly well-being material that can be coated on various substrates regardless of organic or inorganic components, such as cement mortar substrate, ALC panel substrate, asbestos slat substrate, fiber reinforced cement board basis, as well as brick stone ground, it can be used to easily with a brush, roller, spray and other coating to a variety of surface-based material such as glass, metal, wood. The coating film thus formed prevents penetration of chloride, carbon dioxide, and acid rain, which are deteriorating factors inside and outside the building structure, thereby improving durability of the building material.

Specific embodiments of the present invention have been presented above, but the present invention is not limited to the above, and various modifications can be made within the technical spirit of the present invention, and such modifications will belong to the following claims.

As described above, the coating agent of the present invention can be applied to the surface of the building material to improve the durability of the building material to prevent or suppress the deterioration of the structure.

In addition, the coating agent of the present invention is effective in far-infrared radiation, anion release, antibacterial, anti-mold, deodorant, etc., can prevent indoor air pollution, reduce the symptoms of building syndrome, as well as maintain a pleasant atmosphere can improve the quality of life. .

Claims (13)

10 to 30 wt% of far-infrared radiation agent, 3 to 12 wt% of anion releasing agent, 1 to 5 wt% of silver nanosol, 3 to 7 wt% of inorganic antibacterial agent, 8 to 12 wt% of fluorite, 1 to 5 wt% of titanium dioxide, polymer Building material surface coating agent containing 35 to 50% by weight system dispersion and 0.05 to 0.5% by weight emulsifier. The method of claim 1, The far-infrared radiation agent is ocher, illite, jade powder or a building material surface coating, characterized in that two or more of them are mixed. The method of claim 1, The anion releasing agent is a building material surface coating agent, characterized in that the monazite, eluting stone, tourmaline, binchotan, biotite or a mixture of two or more thereof. The method of claim 3, Building material surface coating agent characterized in that the anionic emitter mixture is mixed with 0.005 to 0.03% by weight of aluminum- stearic acid relative to the total weight of the mixture. The method of claim 1, The inorganic antimicrobial agent is a building material surface coating agent, characterized in that at least two or more inorganic antimicrobial agent selected from the group consisting of silica, aluminum oxide, zinc and silver powder. The method of claim 1, The polymer-based dispersion is a building material surface coating agent, characterized in that the acrylic, ethylene vinyl acetate, polyvinyl alcohol or two or more thereof are mixed. The method of claim 5, The acrylic polymer dispersion has a solid content of 53 to 56% and a viscosity (cps RVT. 20 rpm 25 ° C.) of 1200 to 2100 and a premonomer of less than 0.5. The method of claim 1, The emulsifier is a building material surface coating agent, characterized in that the fluorine-based nonionic emulsifier. The method of claim 7, wherein The fluorine-based nonionic emulsifier is a building material surface coating material, characterized in that the fluoroalkyl-containing polyalkylene oxide. The method of claim 1, 0.05 to 0.15 wt% of nonionic stabilizer, 0.05 to 0.15 wt% of nonionic antifoaming agent, 0.05 to 0.15 wt% of nonionic leveling agent, or a building material surface coating further comprising two or more thereof. In the coating production method, Preparing a liquid binder by adding 0.05 to 0.5 wt% emulsifier to 35 to 50 wt% polymer dispersion and stirring; Preparing a powder mixture by mixing 10 to 30 wt% far-infrared spinning agent, 3 to 12 wt% anion releasing agent, 3 to 7 wt% inorganic antibacterial agent, 8 to 12 wt% fluorite, and 1 to 5 wt% titanium dioxide; Mixing the powder mixture while stirring the liquid binder; And Mixing 1 to 5% by weight silver nanosol to the mixture; building material surface coatings manufacturing method comprising a. The method of claim 11, The anion releasing agent, at least two or more selected from the group consisting of monazite, eluting stone, tourmaline, binchotan and chorionic calcination, calcined at 500 to 600 ℃ and aluminum stearic acid 0.005 to the total weight of the anion releasing agent mixture To 0.03% by weight after the addition to the step of preparing an anion release agent; building material surface coatings manufacturing method characterized in that it further comprises. The method of claim 11, In the step of preparing the liquid binder, 0.05 to 0.15% by weight of the nonionic stabilizer, 0.05 to 0.15% by weight of the nonionic antifoaming agent, 0.05 to 0.15% by weight of the nonionic leveling agent or two or more thereof are added Method for producing a building material surface coating, characterized in that it is manufactured.