KR100686371B1 - Liquid-phase ceramic finishing composition for reducing a interior pollutant - Google Patents

Abstract

A liquid ceramic composition for finishing a structure to reduce pollutant in a room is provided to reduce concentration of harmful materials generated from cement concrete and to exhibit anti-microbial and deodorizing effects by comprising liquid nano-silver and flavor capsules as well as natural jade powder, elvan powder and rare-earth anion material. The liquid ceramic composition comprises: 35 to 40wt.% of natural jade powder; 15 to 20wt.% of elvan powder; 2 to 3 wt.% of rare-earth based anion materials; 1 to 5wt.% of zeolite; 1 to 5wt.% of titanium dioxide; 35 to 40wt.% of inorganic liquid binder based on silicate; 1 to 2wt.% of liquid nano-silver; and 1 to 2wt.% of liquid flavor capsules. More particularly, the composition includes 37.5wt.% of the natural jade powder; 16 of the elvan powder; 2.5wt.% of rare-earth based anion materials; 3wt.% of zeolite; 3wt.% of titanium dioxide; 36wt.% of inorganic liquid binder based on silicate; 1wt.% of liquid nano-silver; and 1wt.% of liquid flavor capsules.

Description

BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to a liquid-phase ceramic finishing composition for reducing indoor pollutants,

Fig. 1 shows the results of radon emission test.

FIG. 2 is a graph showing the temperature distribution along the time of infrared thermographic measurement of a surface treated with general cement mortar

FIG. 3 is a graph showing the temperature distribution along the time of infrared thermal image measurement of the surface treated with the construction finish material according to the present invention

4 is a graph showing the far-infrared ray emissivity when a building finish material according to the present invention is treated.

5 is a graph showing the far-infrared radiation energy in cement mortar when a building finish material according to the present invention is treated.

6 is a graph showing the deodorizing effect of the building finish material of the present invention.

FIG. 7 is a photograph of the anti-fungal test result when the composition of the present invention is treated with a finishing composition

The present invention relates to a liquid ceramic building finish for removing indoor pollutants. And more particularly, to provide a liquid ceramic building finish material capable of reducing concentrations of volatile organic compounds (VOCs) and harmful substances such as formaldehyde generated in concrete, and having a deodorizing and antibacterial function.

Generally, as a material used as a building finishing material, cement mortar mixed with mortar and water in an appropriate ratio is applied to the surface. Recently, there has been a growing interest in the indoor air hazards of buildings inside buildings. In particular, there is a demand for materials for construction materials for reducing and removing volatile organic compounds, radon, formaldehyde, etc., It is a fact that it is increasing.

In response to these demands, recently, various useful materials have been mixed and used as finishing materials for interior finishing materials of buildings. In particular, they are used as finishing materials by mixing bio ceramics, natural loess and various minerals. However, Or when using loess, there is a risk of sedimentation when stored for a long period of time or freezing during winter season.

Conventional liquid ceramic architectural finishing materials may be used by blushing or spraying mixed powders of yellow soil, charcoal, elvan, etc. with organic binders, but it is problematic to prevent the concrete (cement) There is also a problem in that volatile organic substances are generated even in the product itself.

Therefore, such a construction finishing material can meet the improvement and desire of living indoor environment level, and can be used as a finishing material capable of reducing concentration of harmful substances such as volatile organic compounds and formaldehyde generated in a room of a building This is a situation that needs to be provided.

In addition, it is necessary to provide architectural finishing materials that can provide additional benefits of releasing far-infrared rays beneficial to the human body and increase energy efficiency.

The present inventors paid attention to such conventional problems to reduce harmful substances such as volatile organic compounds and formaldehyde, which are generated in a large amount in a room of a building, radiate far-infrared rays incidentally, and increase energy efficiency, To provide a construction finish material capable of maintaining a desired finish.

It is an object of the present invention to provide a process for the preparation of zeolite, which comprises, based on the total weight of the mixture, 35 to 40% by weight of natural quarry powder, 15 to 20% by weight of quartz powder, 2 to 3% by weight of a hydantoin anion, 1 to 5% by weight of zeolite, By weight, a silicate-based inorganic liquid binder in an amount of 35 to 40% by weight, a liquid silver nano-scale in an amount of 0.1 to 1% by weight, and a liquid-phase incense capsule in an amount of 0.1 to 1% by weight.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the drawings.

The natural oak powder used in the present invention is known to have antibacterial, deodorization, air cleaning, energy saving, and promotion of metabolism. The natural oak powder preferably contains 35 to 40% by weight based on the powder mixture in consideration of affinity with other components and bonding properties. If it is out of the above range, inherent properties inherent in natural woods are not well developed, and miscibility and bonding properties with other components are deteriorated.

In addition, the anion agent acts to weaken harmful electromagnetic waves by releasing anions and activates the plant cells to keep the surrounding environment pleasant. The anion agent used in the present invention can be, for example, a highly concentrated anion agent. When the anion agent is used in a small amount of about 2 to 3% by weight based on the total amount of the powder mixture and the anion agent is mixed too little, When the amount is too large, the use of an expensive anion agent increases the cost and deteriorates the function.

Manufacturing example

Based on the total weight of the mixture, 37.5% by weight of natural woody powder, 16% by weight of elvan flake powder, 2.5% by weight of rare earth anion, 3% by weight of zeolite and 3% by weight of titanium dioxide were mixed and then mixed with the silicate- The mixture is slowly and homogeneously mixed for 1 hour at 1000 rpm while stirring. To improve the functionality, 1% by weight of liquid nano silver and 1% by weight of liquid flavor capsule are added to prepare a mixed composition.

Then, the mixture was subjected to removal of air bubbles in a sealed container by using a vacuum device, and foreign materials and coarse particles of 325 mesh or more were removed using a fine screen to produce the liquid ceramic ceramic construction material of the present invention.

Test Example

The results obtained by applying the interior of the building as a finishing material manufactured using the mixture prepared in the above Production Example will be described.

 Test Example 1

Radon Emission Strength Test: Radon is a colorless, tasteless, and odorless inert gas produced by the continuous collapse of uranium (or thorium) contained in natural materials such as soil or rock. Indoor radon is used in buildings and surrounding soil, ore, And natural gas generated from building materials. Radon is known to cause lung cancer among respiratory diseases. The maximum emission intensity was measured in comparison with the case where the conventional mortar was treated with the liquid ceramic finishing material of the present invention two to three times. The radon measurement results are shown in Table 1 and FIG.

[Table 1]

Experiment contents Maximum emission intensity Maximum release time Conventional general mortar construction: Test piece A 0.56 _p Ci / l After 5 hours Finish of the present invention (twice coating): Test piece B 0.23 _p Ci / l After 12 hours (3 times coating) of the present invention: Test piece C 0.07 _p Ci / l After 5 hours

pCi: The basic unit of radioactivity ₁ Ci = Radon size (3.7 × 10 ¹⁰ per second) emitted by 1 g of radon per second

The maximum discharge amount of radon in the case of the construction conventional mortar as can be seen in Table 1 is 0.56, and _p Ci / ℓ, when twice coated in case a construction with finishing materials according to the invention is 0.23 _p Ci / ℓ 3 times coating when was confirmed that they have respective half, significantly it reduced the radon emissions to 1/8 as 0.07 _p Ci / ℓ.

 Test Example 2

Thermal image measurement test: The energy temperature changes occurring on each surface were measured when treated with general cement mortar and after treatment with the architectural finish material of the present invention. The test results are shown in Fig.

In the temperature distribution according to the present invention shown in FIG. 2, the temperature was about 4 ° C higher than that of the ordinary cement when the heating device was operated for 120 minutes. It was also found that the temperature of the surface treated with the finishing material of the present invention was more uniformly distributed, and the temperature difference became more remarkable as the temperature increased. As a result, the construction finishing material according to the present invention has a faster thermal conductivity than that of the prior art, and has the effect of reducing energy by radiating heat.

Test Example 3

Far Infrared Radiation Test: The far infrared ray emission test was conducted by setting the black body to the contrast side at 40 ° C. and measuring the FT-IR spectrometer in the wavelength range of 5 to 20 μm at the same temperature of the cement mortar and the liquid ceramic composition of the present invention Respectively. The results of measurement of the applied radiation property of the liquid ceramic building finish composition of the present invention are shown in Table 2, Fig. 4 and Fig. The measured temperature was measured at 40 ℃, which is used in actual building interior materials. The emissivity in the 5-20μm wavelength range is 0.918, and the emissivity is somewhat higher in the 6-16μm wavelength range.

In the case of the conventional cement mortar, the radiation energy was 3.55 × 10 ² at 40 ° C., and the applied material applied with the liquid ceramic ceramic building finishing material according to the present invention was 3.70 × 10 ² . As can be seen from these results, when the energy is measured at the same temperature and under the same conditions, the far-infrared radiation energy is changed due to the difference in properties or structure of the material, and the amount of radiant energy according to the present invention is applied to the conventional cement mortar finish It can be seen that the use of the finishing material according to the present invention has an effect of saving energy.

[Table 2]

Emissivity (5 to 20 탆) Radiant energy (W / m ³ ) Remarks Conventional cement mortar test specimen 0.882 3.55 x 10 ²  Above ideal black body (emissivity (1.0) center wavelength: 9.3 탆 The test piece of the present invention 0.918 3.70 x 10 ²

Test Example 4

Volatile Organic Compound Concentration Test: The concentration of Total Volatile Organic Compounds (TVOC), which represents the total amount of harmful substances such as benzene, toluene, ethylbenzene and xylene, among hundreds of volatile organic compounds, , The average concentration of harmful substances measured and the average concentration after the application of the present invention were measured. A charcoal tube was used as a collecting container, a low-capacity pump was used as a collecting method, and a GC / FID (gas chromatography flame ionization detector) was used as an analyzer. The results are shown in Table 3.

[Table 3]

Measurement generation equilibrium The average concentration of conventional volatile organic compounds The average concentration of the volatile organic compounds according to the present invention 33 Balance 12403.01 / / m ³ 6713.14 / / m ³ 54 Balance 8568.35 / / m ³ 7725.30 / / m ³ 71 Balance 6698.94 / / m ³ 6083.69 ㎍ / m ³

In the concentration distribution, it can be confirmed that the concentration of the volatile organic compound according to the present invention is lower than the average concentration according to the prior art.

Test Example 5

Formaldehyde Concentration Test: Formaldehyde is released from wood products, building materials, urea resins, adhesives, etc., and causes nervous system damage, headache, and is known as a carcinogen. The test conditions were the average concentration of formaldehyde and the average concentration after application of the present invention for a 33-pyeong, 54-pyeong and 71-pyeong apartment in a conventional apartment. DNPH cartridges were used for collecting containers, low capacity pumps were used for collection, and HPLC (High Performance Liquid Chromatography) was used for analytical instruments. The results are shown in Table 4.

[Table 4]

Measurement generation equilibrium The formaldehyde average concentration The formaldehyde average concentration 33 Balance 147.69 / / m ³ 117.41 / / m ³ 54 Balance 655.65 / / m ³ 470.34 / / m ³ 71 Balance 373.06 ㎍ / m ³ 242.53 / / m ³

It can be confirmed that the average concentration of formaldehyde according to the present invention is lower than the average concentration according to the prior art over the entire equilibrium in the average concentration distribution of formaldehyde.

Test Example 6

Deodorization test: A test piece for deodorization test was prepared by preparing a specimen having a size of 40 × 40 × 25 mm, which was coated with a construction finish material according to the present invention, and molded and fully cured. For the test method, two 5000 ml Erlenmeyer flasks were cleaned, and the flask equipped with one base test flask and one sample was precisely poured with ammonia water to a concentration of 500 ppm, and the bottom of the flask was heated using a heating plate to vaporize the introduced ammonia water. The deodorization rate was determined by using a gas detector tube at the flask concentration at which the sample was introduced at 30 minutes, 60 minutes, 90 minutes, and 120 minutes after the vaporization, and at the concentration of the flask (blank) without the sample. The results are shown in Table 5 and FIG.

[Table 5]

Test Items Elapsed time (minutes) Blank Concentration (ppm) Sample concentration (ppm) Deodorization rate (%)   Deodorization test Early 500 500 - 30 490 115 77 60 480 90 81 90 460 80 83 120 450 70 84

Blank: Measured in the absence of sample.

Test Example 7

Antifungal Test: A cement mortar was coated with the liquid ceramic ceramic construction finish of the present invention and sufficiently cured to prepare a specimen having a size of 40 × 40 × 3 mm and subjected to an antifungal test. As the test method, the method specified in ASTM G-21 was used. Three kinds of mixed strains of Aspergillus ruger ATCC 9644, Penicillium pinophilum ATCC 11797 and Chaetomium globosum ATCC 6205 were sprayed evenly on the test medium, and the degree of fungal growth was observed for 1 to 4 weeks on the solid medium on which the mold could grow. As a result, the growth of the strain could not be confirmed in the sample as shown in Fig.

As described above, the surface treated with the liquid ceramic ceramic building finish according to the present invention has the effect of reducing the concentration of volatile organic compounds and formaldehyde in the room of the building in general when treated with cement, and also has the effect of reducing antibacterial, Effect and energy saving effect, and so on.

Claims (2)

Based on the total weight of the mixture, 35 to 40% by weight of natural quarry powder, 15 to 20% by weight of elvan powder, 2 to 3% by weight of rare earth anion, 1 to 5% by weight of zeolite, 1 to 5% by weight of titanium dioxide, 35 to 40% by weight of a binder, 1 to 2% by weight of a liquid silver nano-paste, and 1 to 2% by weight of a liquid-phase incense capsule. The silicate-based inorganic liquid binder according to claim 1, wherein the natural oak powder is 16% by weight, the elvan powder is 16% by weight, the rare earth anion agent is 2.5% by weight, the zeolite is 3% by weight and the titanium dioxide is 3% By weight, 1% by weight of liquid nano-silver and 1% by weight of liquid-phase incense capsules.

Images