JP2001262810A - Building material for interior wall and its manufacturing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the manufacturing method of a building material for an interior wall in which various functions such as antifungal properties, deodorizing properties or the like are imparted without using chemicals having an effect on a human body for maintaining wood, and to recycle a used porous inorganic substance for resources. SOLUTION: The chemicals having at least one performance in deodorizing properties, antifungal properties and fungiproofness are fixed onto an inorganic raw material containing the porous inorganic substance composed of zeolite or diatomaceous earth and an inorganic binder singly or in the plural, water is added and the whole is kneaded, pressure-compressed and molded in a sheet shape and dried.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a building material for an inner wall and a method for manufacturing the same, and more particularly to a building material for an inner wall having various functions such as deodorizing properties and a method for manufacturing the same.

[0002]

2. Description of the Related Art Heretofore, as a building material for an inner wall, a thin wood plate or a crushed wood piece has been adhered with an adhesive and laminated or hardened. These are inexpensive and easy to handle as compared to building materials for inner walls made of wood only, and are therefore widely used in ordinary dwellings.

[0003]

However, in the above-mentioned building material for the inner wall, since wood has a hygroscopic property, a preservative, as a countermeasure against moisture generated from the heat insulating material between the building material for the inner wall and the outer wall, etc. It was also necessary to establish a wood-maintaining agent, such as a termiticide that adhered to the wood, which affected residents' health and generated toxic gases during fires and waste incineration. . In addition, as social problems such as environmental problems and lack of waste space are becoming more and more important, it is necessary to make it possible to reuse large amounts of used building materials and other waste generated as a result of rebuilding as resources. It has become a very important issue in the effective use of resources. In addition, the number of highly airtight buildings is increasing, and the interior wall materials are required to have fungicidal properties, deodorant properties, antibacterial properties, etc. against the moisture and tobacco odors that are generated and remain unventilated. Is being done.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to eliminate the use of chemicals that affect the human body for maintaining wood, to have antibacterial properties,
A method for manufacturing a building material for an inner wall having various functions such as deodorizing property, and a building material for an inner wall capable of reducing wasteless waste by reusing used waste as a resource, It is to provide a manufacturing method.

[0005] The building material for an inner wall of the present invention is obtained by compression molding an inorganic raw material containing a porous inorganic substance made of zeolite or diatomaceous earth and an inorganic binder into a thin plate shape, and has a deodorizing property, an antibacterial property, and a fungicide property. At least one of them is provided.

According to the method for producing a building material for an inner wall of the present invention, water is added to an inorganic raw material containing a porous inorganic substance made of zeolite or diatomaceous earth and an inorganic binder, kneaded, and then compressed and pressed to form a thin plate. After drying, the thin plate is fixed with an agent having at least one of deodorant, antibacterial and antifungal properties. Or, a deodorant, antibacterial, and fungicidal agents having at least one of the properties of the inorganic raw material containing a porous inorganic substance and an inorganic binder made of zeolite or diatomaceous earth,
It is characterized by adding water, kneading, compressing under pressure, molding into a thin plate shape, and drying.

[0007]

Embodiments of the present invention will be described below in detail. The raw material of the building material for the inner wall in the present invention,
It contains a porous inorganic substance made of zeolite or diatomaceous earth.
Zeolite, which is a porous inorganic substance, and a large surface area due to fine pores of diatomaceous earth are suitable for adsorbing a large amount of unnecessary components such as malodor. The porous inorganic material is also used as a main raw material of the building material for the inner wall because it has excellent humidity controllability, and its content in the whole building material for the inner wall is preferably 30 to 80% by volume. Zeolites containing cations having high ion exchange properties are suitable in terms of adsorptivity, and diatomaceous earth is suitable in terms of heat insulation and humidity control. These porous inorganic substances are preferably in the form of particles or powder.

The above-mentioned raw materials include an inorganic binder which acts as a binder during molding. Specifically, it is preferable to include at least one of cement, stucco, and white cement, and these are also suitable when a high hardness building material for an inner wall is required. The inorganic binder may be a commercially available product, and may contain a mixed material such as sand and fly ash as needed. The content of the cement in the building material for the inner wall is the balance of the porous inorganic material.

In addition to the above, pigments for coloring, reinforcing fibers and the like can be appropriately added to the raw materials according to the purpose.

[0010] All or a part of the porous inorganic material is preferably a porous inorganic material of waste collected for regeneration, and the recovered porous inorganic material is crushed and used as particles or powder. I just need. When waste is used, dirt, odorous components, mold, dust, etc. may be adsorbed and adhered depending on the use situation before disposal, and these must be separated beforehand before manufacturing building materials for interior walls. Do. For example, it can be washed off with water, or an odorous organic component can be carbonized and separated by pressure treatment.

The above-mentioned waste may be used building materials, especially building materials for interior walls. Furthermore, when the building material for the inner wall manufactured by the present invention is used up, it can be reused again as a raw material of the building material for the inner wall in the present invention as described above, and the efficiency of resource recycling can be improved. Is further improved.

In order to provide various functions to the building material for the inner wall,
Establish drugs with various functions. The fixing method includes application, spraying, impregnation and the like. The agent has at least one of deodorant, antibacterial and fungicidal functions, and the agent is fixed alone or by selecting a plurality of agents. Specific examples include metal phthalocyanine derivatives and metal complexes having deodorant properties, Markaside (product name of Osaka Kasei Co., Ltd.) having antibacterial properties, and Amorden product name of Daiwa Chemical Industry Co., Ltd. having fungicidal properties. Especially antibacterial property, for example, in the humid place such as the room on the north side, bathroom, etc., inorganic type such as silver ion which has antibacterial effect on multiple microorganisms alone under humid condition, and organic type in other places Drugs are preferred. In addition, a drug having various functions such as humidity control may be appropriately added. At the stage of the raw material, the drug may be fixed to all or a part of the raw material in the form of particles or powder, or may be formed into a plate and then fixed.

As an example of the forming step, first, water is added to a particulate inorganic raw material containing a porous inorganic substance made of zeolite or diatomaceous earth, cement and sand at a volume ratio of 5: 5, and the mixture is homogeneously kneaded. Then, the cement is solidified by pressurizing and compressing in a molding die to form a thin plate, and then dried to remove residual moisture. A compression molding pressure of about 400 tons using a normal mold press molding machine is sufficient. The shape of the thin plate may be the same as that of a normal building material for an inner wall, and the thickness is preferably 5 to 15 mm.

The means for attaching the building material for the inner wall to the base of the inner wall of the building may be affixed in addition to the usual screws.
In the case of sticking, after forming the building material for the inner wall into a thin plate shape, an adhesive layer may be formed on a part of the back surface of the thin plate. Examples of the adhesive layer include those in which an adhesive layer is coated with release paper, and those in which a holding layer for improving the adhesion with another adhesive applied to the base is provided. Is formed by sticking Japanese paper with an adhesive. The adhesive is, for example, an epoxy-based adhesive, and is appropriately selected according to the characteristics of each adherend.

If there is a smooth existing inner wall in the case of remodeling and repair of a building, the inner wall can be attached by screwing or affixing to the surface without peeling the inner wall, thereby shortening the work process at the installation site. Is done. Even if wallpaper or the like is pasted on the existing inner wall surface, it can be similarly attached to the surface without peeling the wallpaper or the like.

[0016] The building material for the inner wall is particularly required to have an external appearance, but if a molding die is appropriately processed, the surface of the building material for the inner wall is appropriately decorated with irregularities such as satin or wood grain in a forming step. be able to. According to this, there is no need to separately provide a surface makeup step. Also, wallpaper can be attached to the surface of the building material for the inner wall like a normal inner wall. At this time, it is preferable to use an adhesive, Japanese paper, or the like having excellent air permeability.

[0017]

According to the present invention as described above,
Without using chemicals that affect the human body to maintain wood,
A building material for an inner wall having various functions such as antibacterial property and deodorant property can be provided. In addition, the used porous inorganic material can be recycled, and the effect of reducing the amount of waste that is discarded wastefully is also exhibited. Furthermore, when the building material for the inner wall according to the present invention is used, as a raw material of the building material for the inner wall again,
It can be used repeatedly.

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Claims (7)

[Claims] An inorganic raw material containing a porous inorganic substance made of zeolite or diatomaceous earth and an inorganic binder is compression-molded into a thin plate shape, and is provided with at least one of deodorant properties, antibacterial properties and fungicide properties. A building material for an inner wall, characterized in that: 2. The building material for an inner wall according to claim 1, wherein all or a part of the porous inorganic substance is waste collected for regeneration. 3. The building material for an inner wall according to claim 1, wherein the inorganic binder includes at least one of cement, stucco, and white cement. 4. An inorganic raw material containing a porous inorganic substance composed of zeolite or diatomaceous earth and an inorganic binder is mixed with water, kneaded, pressed and molded into a thin plate shape, dried, and then deodorized on the thin plate. A method for producing a building material for an inner wall, comprising fixing a single agent or a plurality of agents having at least one of properties of antibacterial property and antifungal property. 5. An agent having at least one of deodorant, antibacterial and antifungal properties is fixed to an inorganic raw material containing a porous inorganic substance made of zeolite or diatomaceous earth and an inorganic binder alone or in combination. Water, kneading, kneading, compressing under pressure, molding into a thin plate shape, and drying. 6. The whole or a part of the porous inorganic material is a waste collected for regeneration.
The method for producing a building material for an inner wall according to the above. 7. The method for producing a building material for an inner wall according to claim 4, wherein the inorganic binder includes at least one of cement, stucco, and white cement.