JP3085791U - Gypsum board with bamboo charcoal paint - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a gypsum board as a building material that is effective for indoor dehumidification and deodorization, can be applied to measures against sick house syndrome, and can maintain the comfort of a living environment. Also,
It will expand the use of bamboo charcoal and help stabilize bamboo forest management and develop the bamboo industry. SOLUTION: At least one of bamboo charcoal, a mixture of ceramics containing tourmaline and a rare element as an additive, EM-X ceramics, a calcium compound mainly composed of calcium oxide, and a chemical deodorant based on an organic acid. A gypsum board coated with bamboo charcoal, characterized in that one is blended.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a gypsum board that has a function of adsorbing or decomposing and removing a chemical substance that causes a sink house syndrome, since the bamboo charcoal paint is applied thereto, which has a deodorizing and dehumidifying effect.

[0002]

[Problems to be solved by conventional techniques and devices]

 Gypsum board is widely used as a ceiling or wall material in the interior construction work of various buildings, including ordinary houses. Some gypsum boards have excellent fire protection and fire resistance, and some are also expected to have sound absorbing, heat insulating and heat retaining effects. By the way, in recent years, buildings are becoming highly airtight and highly insulated to save energy.As a result, dew condensation and wood rot fungi easily occur in places with insufficient ventilation, and formaldehyde generated from building materials. And other volatile organic compounds have increased the incidence of Sick House Syndrome.

In view of the above circumstances, the present invention improves the indoor living environment by applying a bamboo charcoal paint to a gypsum board to adsorb or decompose and remove chemical substances that cause deodorizing and dehumidifying effects and sick house syndrome. What you want to do. In addition, the present invention aims to expand the range of use of bamboo charcoal, and to promote the stability and soundness of bamboo forest management by expanding the use of bamboo materials, whose use is stagnant.

[0004]

[Means for Solving the Problems]

 The present invention has been made to solve the above-mentioned problems, and provides the following means. (1) Bamboo charcoal in the form of fine powder, a mixture of ceramics containing tourmaline and rare elements as additives, and metabolites extracted and purified from effective microorganisms (EM bacteria) are mixed in clay and calcined. Bamboo charcoal paint characterized by comprising at least one of EM-X ceramics manufactured by the above method, a calcium compound containing calcium oxide as a main component, and a chemical deodorant based on an organic acid. This is a gypsum board on which is applied.

(2) A gypsum board coated with a bamboo charcoal paint as described in (1) above, wherein the calcium compound containing calcium oxide as a main component is calcined shell calcium.

(3) The gypsum board provided with the bamboo charcoal paint described in the above (1) or (2), wherein the bamboo charcoal paint is an aqueous paint.

(4) The gypsum board provided with the bamboo charcoal paint according to any one of the above (1) to (3), wherein the bamboo charcoal paint is a colored paint.

(5) The bamboo charcoal paint is characterized in that polyvinyl alcohol is used as a main material and any one of dialdehydes such as glyoxal, dimethylol urea, and trimethylol melamine is used as a waterproofing agent. A gypsum board coated with the bamboo charcoal paint according to any one of the above items (1) to (4).

(6) The gypsum boat provided with the bamboo charcoal paint according to any one of the above (1) to (5), wherein the amount of the bamboo charcoal paint applied is 100 g to 300 g per square meter. is there.

[0010] There are two types of bamboo charcoal used in the present invention, "white charcoal" and "black charcoal", and there is a difference in the temperature at the time of charcoal burning and how to put out the fire after baking. (A) White charcoal has white powder on the surface. The white powder is a powder called “de-flouring” made by mixing ash and soil in an appropriate amount of water. Remove the red-hot coal from the kiln and extinguish the fire by extinguishing it. The temperature of the kiln should be higher than 1000 ° C.

(B) Black charcoal is produced by firing and carbonizing bamboo at a temperature of 600 ° C. to 800 ° C. When the raw material was completely carbonized, the kiln was sealed and extinguished, and after cooling, the mouth of the kiln was opened and the charcoal was taken out.

[0012] The bamboo charcoal is usually made of Moso bamboo, but it is also possible to use bamboo or other bamboo. In the present invention, the baked bamboo charcoal is pulverized to a fine powder of about 300 mesh.

Since bamboo charcoal has a larger internal surface area than charcoal and is superior in adsorbing gas and liquid, bamboo charcoal paint composed of fine powder of bamboo charcoal is applied to the gypsum board in the present invention. However, even though bamboo charcoal has the function of adsorbing moisture, formaldehyde, and other volatile organic compounds, and removing these substances from the air, the ability to decompose these substances is not always sufficient. Therefore, in addition to bamboo charcoal powder, various additives were added to the paint.

A mixture of tourmaline and a ceramic containing a rare element has a weak radioactivity that does not cause any harm to the human body, and is characterized by emitting negative ions, and is characterized by sick house syndrome such as formaldehyde and volatile organic compounds. It is expected to decompose and remove chemical substances, which are considered to be the cause of this, and ammonia, amines and other odorous substances.

The effective microorganism group (EM bacteria) is a group of microorganisms useful for the human body and the environment among lactic acid bacteria, yeast, actinomycetes, photosynthetic bacteria, etc., and is extracted from this effective microorganism group (EM bacteria) and purified. EM-X ceramics produced by mixing the metabolites in clay and firing them can also be added to the bamboo charcoal paint described above to decompose and remove odorous substances and chemical substances that cause sick house syndrome. it can.

A compound containing calcium oxide as a main component is effective in removing acidic malodorous substances such as volatile organic acids or other acidic harmful substances since it is highly hygroscopic and basic. Also, calcined shell calcium produced by calcining shells can be used for this purpose.

A chemical deodorant based on an organic acid can be expected to be effective in removing basic malodorous substances such as ammonia and amines.

The bamboo charcoal paint is preferably an aqueous paint containing no volatile organic solvent. In particular, when polyvinyl alcohol is used as the main material of the coating, it is necessary that the coating film be water-resistant.Therefore, using any of dialdehydes such as glyoxal, dimethylol urea, and trimethylol melamine as the water-resistant agent. The coating film of polyvinyl alcohol can be made water-resistant.

If the amount of the bamboo charcoal paint is less than 100 g per square meter, the effect of adsorbing or decomposing and removing chemical substances causing dehumidification / deodorization and sick house syndrome is insufficient. Because it is hard to expect.

[0020]

[Embodiment of the invention]

 An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of a gypsum board provided with a bamboo charcoal paint according to the present invention. The gypsum board 2 is manufactured by mixing a small amount of fibers and the like in the plaster of Paris, adding water, forming a plate shape, and putting cardboard on both sides. The bamboo charcoal paint 1 has a coating amount of 100 g to 300 g per square meter on the surface of the gypsum board 2, usually about 130 g as a standard, but if the uneven pattern is formed on the surface of the gypsum board, the coating amount is less. Increase and can reach 300 g.

The thickness of the gypsum board 2 is 9 mm, 12 mm, 15 mm or the like. In addition, the length is 1800 mm, 2000 mm, 2420 mm, the width is 455 mm, 910 mm, and the like. When used for ceilings, those appropriately cut are used.

FIG. 2 is a perspective view when the bamboo charcoal-painted gypsum board according to the present invention is used as a ceiling plate. A frame composed of a plurality of rafters 7 is hung by a ceiling hanging material 3, and a gypsum board 2 is fixed to the rafters with nails and an adhesive. The boundary between the gypsum board 2 and the wall 5 is fixed by the baseboard 4. The wall 5 is often made of cloth or printed material, but the gypsum board 2 may also be used as the wall material. The place where the wall 5 contacts the floor material (flooring) 6 is fixed by the baseboard 4.

In FIG. 2, since the bamboo charcoal paint 1 is applied to the indoor side surface of the gypsum board 2, the moisture and odorous components in the room and the chemical substances causing the sick house syndrome are absorbed or decomposed and removed. The indoor environment can be kept comfortable.

[0024]

[First embodiment]

 Next, a first embodiment will be described. As the bamboo charcoal, black charcoal obtained by calcining and carbonizing bamboo at 600 ° C to 800 ° C was used and pulverized to about 300 mesh. The shell calcined calcium used was obtained by cooling a heated shell and then crushing the shell. As a mixture of tourmaline and a ceramic containing rare elements, Daicela No. 9 (trade name) manufactured by Daicel Chemical Industries, Ltd. was used. The EM-X ceramics used were those sold by EM Sogo Net. As a chemical deodorant based on an organic acid, Daimush (trade name) manufactured by Dainichi Seika Kogyo Co., Ltd. was used. The blending amount shown in Table 1 (17 liters in total) was charged into a container and kneaded with a stirrer to prepare a bamboo charcoal coating.

[0025]

[Table 1]

The bamboo charcoal paint prepared according to the above-mentioned composition was applied to the surface of the gypsum board in an amount of 100 g to 300 g per square meter to produce a gypsum board coated with the bamboo charcoal paint according to the present invention.

[0027]

[Second embodiment]

 In the first embodiment, the bamboo charcoal paint is black, and it cannot be denied that it gives a dark impression to the surroundings. Therefore, a second embodiment using a white or light-colored paint will be described. The bamboo charcoal used here is white charcoal obtained by firing and carbonizing bamboo at 1000 ° C. or higher. The pigment to be used is of a desired color such as white or red, yellow, blue, green or the like. Table 2 shows examples of white or light-colored bamboo charcoal paint formulations.

[0028]

[Table 2]

[0029] The bamboo charcoal paint prepared in the above-described composition was applied to a gypsum board to produce a gypsum board coated with the bamboo charcoal paint.

In the first and second embodiments, glyoxal was used as a water-proofing agent, but any of dialdehydes other than glyoxal, dimethylolurea, and trimethylolamine was used as a water-proofing agent. May be used.

In the above-described embodiment, the shell calcined calcium is used, but other calcium compounds, for example, calcium oxide obtained by inclining limestone may be used.

In the above embodiment, as a method of applying the bamboo charcoal paint to the gypsum board surface, any method such as brush coating, trowel coating, roller coating and spraying may be used.

[0033]

[Effect of the invention]

 As described above, the gypsum board provided with the bamboo charcoal paint of the present invention mainly includes a mixture of ceramics containing tourmaline and rare elements as additives in addition to bamboo charcoal, EM-X ceramics, and calcium oxide. The combination of a calcium compound as a component and an organic acid-based chemical deodorant results in a synergistic effect that provides a dehumidifying / deodorizing effect and a chemical substance that causes sick house syndrome. By absorbing or decomposing and removing, a comfortable indoor environment can be created.

Since bamboo charcoal is used in the paint, the use of bamboo materials can be expanded, which contributes to the stability of bamboo forest management and the development of the bamboo industry.

[Brief description of the drawings]

FIG. 1 is a perspective view of a gypsum board with bamboo charcoal paint according to the present invention.

FIG. 2 is a perspective view of a gypsum board with bamboo charcoal paint according to the present invention used as a ceiling plate.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bamboo charcoal paint 2 Gypsum board 3 Ceiling hanging material 4 Baseboard 5 Wall 6 Flooring (flooring) 7 Rafter

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification code FI C09D 201/00 C09D 201/00 E04C 2/04 E04C 2/04 D E04F 13/14 E04F 13/14

Claims (6)

[Utility model registration claims] 1. A bamboo charcoal made into fine powder, a mixture of ceramics containing tourmaline and a rare element as an additive,
At least EM-X ceramics produced by mixing and purifying metabolites extracted and purified from effective microorganisms into clay and calcined, a calcium compound containing calcium oxide as a main component, and a chemical deodorant based on an organic acid. A gypsum board coated with bamboo charcoal, characterized in that any one of them is blended. 2. A gypsum board coated with a bamboo charcoal paint according to claim 1, wherein the calcium compound containing calcium oxide as a main component is calcined shell calcium. 3. The gypsum board provided with a bamboo charcoal paint according to claim 1, wherein the bamboo charcoal paint is an aqueous paint. 4. The gypsum board provided with a bamboo charcoal paint according to claim 1, wherein the bamboo charcoal paint is a colored paint. 5. The bamboo charcoal paint according to claim 1, wherein polyvinyl alcohol is used as a main material, and any one of dialdehydes such as glyoxal, dimethylol urea, and trimethylol melamine is used as a waterproofing agent. A gypsum board coated with the bamboo charcoal paint according to any one of claims 4 to 4. 6. The coating amount of bamboo charcoal paint is 100 g to 300 g per square meter.
A gypsum boat to which the bamboo charcoal paint according to any one of claims 1 to 5 has been applied.