KR100611719B1 - A chaff charcoal paint composition and method for preparing same - Google Patents

Abstract

The present invention relates to chaff charcoal paint composition and a method for preparing the chaff charcoal, 30 to 49% by weight chaff charcoal, 5 to 15% by weight of wood vinegar, 20 to 39% by weight calcium carbonate, 8 to 15% by weight of emulsion synthetic resin, 5 ~ natural adhesive In the chaff charcoal paint composition comprising 10% by weight, 3-10% by weight of the orange powder, 3-5% by weight of the dispersant, 2-4% by weight of the antifoaming agent, 2-4% by weight of the thickener, and 3-6% by weight of the stabilizer, Emulsion synthetic resin 8-15%, natural adhesive 5-10% by weight, wood vinegar solution 5-15% by weight, calcium carbonate 20-39% by weight were added slowly at a rotational speed of 800-1,800 rpm and stirred uniformly, rice husk charcoal 30 -49% by weight, orange powder 3-10% by weight, dispersant 3-5% by weight, defoamer 2-4% by weight, thickener 2-4% by weight, stabilizer 3-6% by weight at room temperature for 1 to 2 hours Further stirring to prepare a dispersion, the dispersion was subjected to the first reaction for 50 minutes to 2 hours at room temperature, Provided is a method of preparing chaff charcoal paint by secondary reacting the first reactant at 60 to 100 ° C. for 1 to 3 hours.

The chaff charcoal paint of the present invention does not generate sick house syndrome at all and is harmless to the human body while smoothly circulating blood from the effects of far infrared rays and anions, and provides effects such as dehumidification, deodorization, antibacterial and detoxification to create a comfortable indoor environment. As such, the ripple effect is expected to be very large when entering the industry.

Chaff, wood grass, paint

Description

Chaff charcoal paint composition and method for preparing same

The present invention relates to chaff charcoal paint composition and a method of manufacturing the same, more specifically using chaff charcoal and wood vinegar solution is inexpensive and harmless to the human body, has a dehumidification, antibacterial and deodorizing effect in the indoor living space, concrete The present invention relates to a chaff charcoal paint composition which can neutralize the toxicity of volatile organic substances (VOCs) emitted from an organic solvent of a building material and improves the stability of a product, and a method of manufacturing the same.

Synthetic resins mainly used in conventional buildings use organic solvents such as chloroform, acetone, styrene, and formaldehyde, including benzene in the human body, thus releasing volatile organic compounds in buildings, causing serious problems for the human body such as sick house syndrome. It is known.

Due to these problems, the Ministry of Environment has recently strengthened the indoor air management of apartments and multi-use facilities such as apartments to prevent the sick house syndrome, and enacted the Act on Indoor Air Quality Management Act, such as multi-use facilities. According to the law, when building more than 100 apartments, residential complexes, or townhouses applying for three building permits, formaldehyde (HCHO), a carcinogenic substance that is harmful to the human body, is released over 4㎍ / ㎡ per hour. Since general materials such as wallpaper flooring materials discharged over 1.25 µg / m 2 are not allowed to be used in the interior of the room in the future, the development of architectural interior materials without the above materials is urgently required.

 In addition, as the standard of living improves as income increases, the consumer's desire for high-quality residential space increases, and an attempt to make a healthier and more comfortable residential space by applying health materials that are beneficial to the human body to building materials is in progress.

As an example for solving the above problem, recently, a photocatalyst such as titanium oxide or minerals emitting far infrared rays or anions are applied to flooring or walling to adsorb or decompose volatile organic compounds such as formaldehyde. This is known.

In addition, as a charcoal paint of Korea Patent Publication No. 2002-0079314, it is known to use a mixture of charcoal, aqueous binder, and a small amount of antibacterial and antibacterial material.

However, in the case of the photocatalytic material, it is quite expensive, and in the case of the mineral material, there is a problem of environmental pollution due to depletion of environmental resources and mining by mining natural materials.

In addition, even in the case of charcoal, the use of wood charcoal, such as charcoal, is expensive to manufacture, and bubbles are easily generated due to chemical reactions of aqueous binders. Other substances may be harmful to the human body.

Accordingly, the inventors of the present invention have a low cost and no harm to the human body to solve the above problems, and have a dehumidifying, antibacterial and deodorizing effect on indoor living spaces, and volatile organic substances discharged from organic solvents of concrete or building materials ( The aim was to develop a paint that could neutralize the toxicity of VOCs, while improving the stability of the product.

Accordingly, it is an object of the present invention to provide a paint composition containing chaff charcoal and wood vinegar solution.

Another object of the present invention is to provide a method for producing the paint composition.

In order to achieve the above object, the present invention is 30 to 49% by weight chaff charcoal, 5 to 15% by weight wood vinegar, 20 to 39% by weight calcium carbonate, 8 to 15% by weight emulsion synthetic resin, 5 to 10% by weight natural adhesive It provides chaff charcoal paint composition which consists of 3-10 weight% of orange powder, 3-5 weight% of a dispersing agent, 2-4 weight% of antifoamers, 2-4 weight% of thickeners, and 3-6 weight% of stabilizers.

In addition, the emulsion synthetic resin is characterized in that the ethylene vinyl acetate emulsion resin or polyacrylic emulsion resin.

In addition, the natural adhesive is characterized in that at least one adhesive selected from the group consisting of glue, casein, benzoin, ester gum and pontianoxanthra.

In addition, the color of the paint composition consisting of chaff charcoal, wood vinegar and the like is characterized in that the gray or black.

In order to achieve another object, the present invention is 800 to 1,800 rpm of the composition, 8 to 15% by weight of emulsion synthetic resin, 5 to 10% by weight of natural adhesive, 5 to 15% by weight of wood vinegar, 20 to 39% by weight of calcium carbonate The mixture was slowly added and stirred at a rotational speed of 30 to 49% by weight of chaff charcoal, 3 to 10% by weight of orange powder, 3 to 5% by weight of dispersant, 2 to 4% by weight of defoamer, 2 to 4% by weight of thickener, stabilizer 3 to 6% by weight of the mixture was further stirred at room temperature for 1 to 2 hours to prepare a dispersion, the dispersion was subjected to a first reaction at room temperature for 50 minutes to 2 hours, and the first reactant was 60 to 100 It provides a method for producing chaff charcoal paint, characterized in that the secondary reaction for 1 to 3 hours at ℃.

Hereinafter, the chaff charcoal paint composition of the present invention and the manufacturing method thereof in detail.

At this time, if there is no other definition in the technical terms and scientific terms used, it has a meaning commonly understood by those of ordinary skill in the art.

In addition, repeated description of the same technical configuration and operation as in the prior art will be omitted.

Chaff charcoal paint composition according to the present invention has a characteristic that is harmless to the human body while giving a specific effect on the human body by dehumidification (탈), deodorization and antibacterial effect and far infrared and anion release.

In addition, the paint prepared according to the present invention may be coated with rollers, sprays, or brushes on a surface of concrete, cement, mortar, wood, or the like as a black liquid.

At this time, the coating is 30 to 50㎛, more preferably 40㎛ in the surface to be coated, 5㎛ per 1ml of paint, it is preferable to use tap water as a diluent according to the coating method.

In addition, the color of the paint composition may be formed in gray or black by adjusting the content of the paint composition made of chaff charcoal, wood vinegar and the like.

In addition, chaff charcoal used in the present invention is used in place of conventional oak charcoal according to the following characteristics in industrial usability.

In other words, chaff charcoal is a by-product of agricultural products, chaff, which is inexpensive and can suppress the consumption of natural resources due to logging, and can maintain the quality uniformly by producing charcoal in a machine standardized with a single material, Since the main component is made of fiber, the structure is more dense than hardened wood, and it generates more fine pores during carbonization, which provides better control of humidity and adsorption of harmful toxins and bacteria.

In addition, chaff charcoal has an excellent effect on blocking electromagnetic waves and warmth.

In addition, chaff charcoal is easy to be powdered during the carbonization process has the advantage that does not require a powdering process of charcoal charcoal.

At this time, the present invention uses chaff charcoal 30 to 49% by weight, which is less than 30% by weight is half the effect of the charcoal when forming the film, when used in excess of 49% by weight charcoal buried when forming the film Because it can.

The far-infrared and anion-specific effects emitted by the chaff charcoal contain a large amount of trace elements and organics beneficial to humans or animals, and expand the capillaries to help blood circulation and cell tissue generation, and activate cell functions. It is known to promote anti-aging, metabolism, tissue viability and enzyme activity, in addition to exhibit the effects of deodorization, antibacterial, mold growth and heat storage.

In addition, the wood vinegar is not harmful to the human body after painting, the interior of the living room by inhibiting the growth of pathogens and corrosion of fungi to comfort the room, and the paint composition itself to prevent decay or deterioration to maintain the shelf life and stability of the product It acts as an antibacterial and antifouling agent.

At this time, in the present invention, 5 to 15% by weight of wood vinegar is used, which is less than 5% by weight of the antimicrobial and antiseptic effect is reduced, when the amount exceeds 15% by weight is less effective than the excess usage Because.

In the present invention, any wood vinegar produced in the charcoal manufacturing process may be used, but it is preferable to use wood vinegar produced during chaff charcoal production in order to lower the manufacturing cost of chaff charcoal paint.

In the present invention, the calcium carbonate is preferably 20 to 39% by weight as a filler for physical properties and processability, it is preferable to use precipitated hard calcium carbonate having an average particle size of 1-3㎛.

This is because it is difficult to control the physical properties and processability when the amount of the emulsion synthetic resin and the adhesive is increased when using less than 20% by weight, the physical properties may be lowered more than 39% by weight.

In addition, the emulsion synthetic resin used as a vehicle in the present invention emulsifies and polymerizes vinyl, acrylic, and styrene butadiene-based units which are completely harmless to the human body, and an emulsion synthetic resin composed of particles having a diameter of micrometer or less. It is preferable to use, More preferably, it is preferable to use ethylene vinyl acetate (EVA) emulsion resin and polyacrylic emulsion resin.

Further, in the present invention, to enhance the adhesion of the emulsion synthetic resin and chaff charcoal to use 5 to 10% by weight of the adhesive so that the chaff charcoal powder is not exposed to the outside when forming the coating film, do not use an organic solvent at all Preference is given to using natural adhesives, and more preferably, at least one adhesive selected from the group consisting of glue, casein, benzoin, ester gum and pontianoxanthra is used. In particular, since benzoin is also used as a preservative, it further increases the antiseptic effect.

At this time, when the use range of the natural adhesive is less than 5% by weight, the above effect is insignificant, and when it exceeds 10% by weight, the effect is insignificant compared to the excess usage, and it is preferable to use the above range.

In the present invention, the orange powder contains a citrol component, and 3 to 10% by weight of the additive is used to provide synergistic effects on adhesive properties, odor removal, and antibacterial activity in the paint of the present invention. do.

This is because if the use of less than 3% by weight is halved, the amount of other additives is reduced when the amount is more than 10% by weight may lower the physical properties of the paint.

In addition, the chaff charcoal paint composition according to the present invention uses a dispersant, an antifoaming agent, a thickener, and a stabilizer which are commonly used as an additive for improving physical properties within a conventionally known use range.

However, while uniformly mixed with chaff charcoal and wood vinegar solution, emulsion synthetic resin, natural adhesive and orange powder of the present invention in terms of expression and economic effects, dispersant is 3 to 5% by weight, defoamer is 2 to 4% by weight, thickener is 2 to 4 It is preferable to add and use the weight% and stabilizer 3-6 weight%.

In more detail, the dispersant is carboxylic acid ether, aromatic amino sulfonic acid, polyalkylaryl sulfonic acid, naphthalene sulfonic acid, antifoaming agent is polyethylene oxide, polypropylene oxide, thickener is water-soluble cellulose, preferably methyl cellulose, ethyl cellulose, It is preferable to use oxy ethyl cellulose and hydroxy methyl cellulose, and to use a dibasic phosphite, vinyl chloride, barium stearate as a stabilizer.

On the other hand, the paint composition according to the present invention is subjected to the following process.

First step: wetting

According to the mixing ratio described above, the emulsion synthetic resin, natural adhesive, wood vinegar, and calcium carbonate are gradually added to the reaction tank at a rotational speed of 800 to 1,800 rpm, followed by uniform stirring, and chaff charcoal, orange powder, dispersant, antifoaming agent, thickener and stabilizer are added. To prepare a dispersion by stirring at room temperature for 1 to 2 hours.

Second Process: Reaction Process

The dispersion prepared in step 1 is first reacted at room temperature for 50 minutes to 2 hours, and the first reactant is reacted at 60 to 100 ° C. for 1 to 3 hours to prepare a paint composition of the present invention. .

At this time, the viscosity of the prepared paint composition of the present invention is about 120 to 140 (ASTM D562).

Therefore, the paint composition according to the present invention is used by diluting to an appropriate viscosity with tap water so that it can be easily used as a brush or roller.

Hereinafter, the present invention will be described in more detail with reference to Examples. These examples are only for illustrating the present invention in detail, and it will be apparent to those skilled in the art that the scope of the present invention is not limited to these examples.

EXAMPLES Preparation of Chaff Charcoal Paint Composition of the Present Invention

 15% by weight of vinyl chloride emulsion resin, 10% by weight of benzoin, 15% by weight of wood vinegar and calcium carbonate were slowly added at 1,100rpm and stirred uniformly for 1 hour, 40% by weight of chaff charcoal, 5% by weight of orange powder, 3% by weight of carboxylic acid ether as a dispersant, 3% by weight of polyethylene oxide as a defoaming agent, 4% by weight of methylcellulose as a thickener, 5% by weight of vinyl chloride as a stabilizer, and stirred at room temperature for 2 hours to prepare a dispersion. After the first reaction for 50 minutes at room temperature, the second reaction at 70 ℃ for 2 hours to complete the paint composition of the present invention.

Experimental Example 1

In order to confirm the physical properties of the paint of the present invention prepared in the above embodiment, the Korea Building Materials Testing Institute was commissioned for experiments on the far-infrared emissivity, anion emission amount.

The far infrared radiation measurement results of the Example are shown in Table 1 below.

At this time, this experiment shows the measurement results of the black body using the FT-IR spectrophotometer at 40.

Emissivity (5-20㎛) Radiation energy (W / ㎥) 0.900 3.63 × 10 ²

In addition, the measurement results for the anion emission amount are shown in Table 2 below.

At this time, using a particle measuring device from the sample [40 × 40 × 3 (mm)] by the method of KICM-FIR-1042, was tested under the conditions of temperature 22, humidity 42%, anion water 19 / cc in the air, and measured The anion released from the object was measured and displayed by averaging the number of ions per unit volume.

Anion (ION / cc) 21

Experimental Example 2

In this experiment, the deodorizing ability of the paint according to the present invention was commissioned by the Korea Institute of Construction Materials.

The experiment was performed by the method of KICM-FIR-1085, and 8 g of the paint of the above example and ammonia gas were injected into the test tube, and then the concentration of ammonia in the test tube was measured by time to measure the deodorization rate. At this time, gas concentration measurement was made into FT-IR.

As a result, as shown in Table 3 below, the paint of the present invention removed 93.2% of ammonia even after 30 minutes, and after 2 hours, 97.3% showed an ammonia deodorization rate, indicating that the deodorizing ability was excellent.

Test Items Elapsed time (minutes) Blank concentration (ppm) Sample concentration Deodorization rate (%)  Deodorization test 30 470 32 93.2 60 427 21 95.1 90 378 15 96.0 120 332 9 97.3

Experimental Example 3 Antibacterial Activity

In order to confirm the antimicrobial activity of the harmful strains of the paint according to the present invention, the experiment was commissioned by the Korea Institute of Building Materials and tested for the antibacterial activity against E. coli and mold.

At this time, the test method was added to the medium of the paint, E. coli was carried out in accordance with the method of KFLA-FI-1002, fungal bacteria according to the method of ASTM G-21, the strain used E. coli ATCC 25922 (E- coli ATCC 25922), aspergillus niger ATCC 9642, Penicillium pinophilum ATCC 11797, Chaetomium globosuma ATCC 6205 Mixed strains were used.

The results are as shown in Table 4 and Table 5, the antimicrobial activity against E. coli was 98.6%, the antimicrobial activity against the fungus was found to be almost 100% so that the growth of the bacteria can not be recognized.

Test Items Sample classification Initial concentration (CFU / 40p) Concentration after 24 hours (CFU / 40p) Bacterial Reduction (%) Antibacterial test by E. coli Blank 422 1148 - Example 422 6 98.6

Test Items Period of culture test Antifungal test 1 week later after 2 weeks 3 weeks later 4 weeks later 0 0 0 0

As such, the paint of the present invention was found to be very excellent in far infrared, anion release, deodorizing ability and antibacterial activity against E. coli and mold.

As described above, the chaff charcoal paint composition of the present invention and a method for producing the chaff syndrome is not generated at all, harmless to the human body, while smoothing the blood circulation from the effects of far infrared rays and anions, dehumidification, deodorization, antibacterial, warm, detoxification As it can create a comfortable indoor environment by providing such effects, it is expected that the ripple effect will be very large when entering the industry.

Claims (5)

Chaff charcoal 30-49%, wood vinegar 5-15%, calcium carbonate 20-39%, emulsion synthetic resin 8-15%, natural adhesive 5-10%, orange powder 3-10%, dispersant 3-3 Chaff charcoal paint composition which consists of 5 weight%, 2-4 weight% of antifoamers, 2-4 weight% of thickeners, and 3-6 weight% of stabilizers. The method of claim 1, The emulsion synthetic resin is chaff charcoal paint composition, characterized in that the ethylene vinyl acetate emulsion resin or polyacrylic emulsion resin. The method of claim 1, The natural adhesive is chaff charcoal paint composition, characterized in that at least one adhesive selected from the group consisting of glue, casein, benzoin, ester gum and pontianaxandra. The method of claim 1, Chaff charcoal paint composition, characterized in that the color of the paint composition consisting of chaff charcoal, wood vinegar and the like is gray or black. 8-15% by weight of the emulsion synthetic resin, 5-10% by weight of the natural adhesive, 5-15% by weight of the wood vinegar, 20-39% by weight of calcium carbonate in the composition of claim 1 and gradually added at a rotational speed of 800-1,800 rpm Stir it gently, add 30 to 49 wt% of chaff charcoal, 3 to 10 wt% of orange powder, 3 to 5 wt% of dispersant, 2 to 4 wt% of defoamer, 2 to 4 wt% of thickener, and 3 to 6 wt% of stabilizer The mixture is further stirred at room temperature for 1 to 2 hours to prepare a dispersion, the dispersion is subjected to a first reaction at room temperature for 50 minutes to 2 hours, and the first reactant is reacted at 60 to 100 ° C. for 1 to 3 hours. Method for producing chaff charcoal paint, characterized in that the secondary reaction.