JP2010121314A - Humidity conditioning panel - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a humidity conditioning panel for use in a wall surface of a general house, an interior-finishing building material such as a ceiling material, a material for fittings for storage, etc., which is excellent in humidity conditioning properties and air permeability. <P>SOLUTION: This humidity conditioning panel includes: a board layer 2 in which a side end of a humidity conditioning fiber mat 21 with a high fiber density, constituted by retaining a humidity conditioning material 1 inside a fiber matrix as a fiber aggregate, and a side end of an air-permeable fiber mat 22 with air permeability and a low fiber density are connected to each other and arranged; and air-permeable surface materials 31 and 32 which are arranged on the surface of the board layer 2. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a humidity control panel, and more particularly, to a humidity control panel having humidity control and air permeability, and used for interior building materials such as wall surfaces and ceiling materials of ordinary houses, and for fitting materials for storage. It is.

  In recent years, as the heat insulation and airtightness of houses have progressed, the air in the room tends to become excessively humid, and the number of allergic patients due to dew condensation in winter or mold, mites, etc. that grow in high humidity Such phenomena are manifested and cause various problems. Then, the building material for interiors containing the humidity control material which has a function which adjusts indoor environments, such as a zeolite and diatomaceous earth, in a fixed humidity range is proposed.

  For example, in JP 2006-307623 A, a building material for interior such as a gypsum board and a calc board, and a base material having air permeability such as a stitch structure, a woven fabric structure or a nonwoven fabric structure laminated on the interior building material; An environmental functional building material comprising a titanium dioxide thin film directly formed on the surface of the base material, wherein the titanium dioxide thin film has a thickness of 10 nm or more and less than 100 nm is disclosed.

And since the said base material is air permeability, it has a humidity control function, and since a titanium dioxide thin film functions as a photocatalyst, it can obtain an environmental functional building material which has deodorization, antifouling, and sick house disease. The effect is described.
JP 2006-307623 A

  However, in the technique described in Patent Document 1, a titanium dioxide thin film is manufactured with a film thickness of 10 nm to 100 nm, which is an ultrathin film, on the surface of a base material having air permeability such as a stitch structure, a nonwoven structure, or a nonwoven structure. There is a problem that the film must be formed and the manufacturing cost becomes high. Furthermore, since the humidity control function depends exclusively on a base material having air permeability, there is a problem that the efficiency of humidity control is inferior. That is, if the fiber density is increased, the strength is increased and desirable as a panel, but there is a problem that the air permeability is lowered and the humidity control efficiency is deteriorated.

  The present invention has been made in view of the above-mentioned background art, and its purpose is to be used for interior spaces of living spaces in general households, particularly highly heat-insulated and air-tight rooms. When moisture is absorbed and the humidity is reduced and the indoor environment dries, the humidity control function that releases moisture to the environment and raises the humidity improves the humidity control function and provides excellent ventilation It is to be.

  In order to solve the above-described problems, a humidity control panel according to the first aspect of the present invention is a humidity control fiber mat configured by holding a humidity control material inside a fiber matrix that is an aggregate of fibers. It consists of a board layer constituted by connecting and arranging a side end of a wet fiber mat and a side end of a breathable fiber mat having air permeability, and a breathable surface material disposed on the surface of the board layer. It is characterized by.

Examples of the humidity control material include charcoal such as charcoal, bamboo charcoal, and activated carbon, talc, zeolite, diatomaceous earth, silica gel, montmorillonite, sepiolite, zonotlite, bentonite and other inorganic minerals such as alumina and silica. The fiber matrix is formed by stacking fibers and is formed in a plate shape, and preferably has air permeability. The humidity control fiber mat is one in which a material selected from these humidity control materials is held inside the fiber matrix. A board layer constituted by connecting and arranging the side end of the moisture-conditioning fiber mat and the side end of the breathable fiber mat has a humidity-controlling fiber mat and a ventilation fiber mat, respectively. Of course, the board layer may be formed. However, the board is formed by forming the humidity control fiber mat planned part and the ventilation fiber mat planned part on the fiber matrix that is an aggregate of fibers, and heating and pressurizing the whole. In addition to forming a layer, a humidity control fiber mat and a ventilation fiber mat may be integrally formed on the board layer.
When the humidity control fiber mat and the ventilation fiber mat are integrally formed on the board layer, there is an advantage that air permeability can be imparted depending on the amount of fibers dispersed, and manufacture is easy. The breathable surface material may be disposed only on one surface of the board layer or on both surfaces (both front and back surfaces).

  The invention according to claim 2 of the present application is the humidity control panel according to claim 1, wherein the humidity control fiber mat is composed of natural fibers and synthetic fibers as a binder, and the ventilation fiber mat is composed of natural fibers. It is characterized.

  Examples of the natural fibers include plant fibers such as wood fibers, bamboo fibers, palm fibers, sugarcane fibers, pineapple fibers, and banana fibers. Examples of the synthetic fiber include polyester fiber, polyamide fiber, aramid fiber, acrylic fiber, polyethylene fiber, polypropylene fiber, vinylidene fiber, vinylon, rayon, and acetate. In addition to the natural fibers and synthetic fibers, inorganic fibers such as glass fibers, carbon fibers, and asbestos fibers can be used as necessary.

  The above-described fiber assembly composed of natural fibers and synthetic fibers is heated after the humidity conditioning material is added, and the synthetic fibers melt and function as a binder to form a fiber matrix. In this manner, a humidity control fiber mat holding the humidity control material is formed inside the fiber matrix.

  On the other hand, the breathable fiber mat is formed from natural fibers excluding synthetic fibers. Here, the density adjustment of the fiber density of the ventilation fiber mat can be performed, for example, by changing the fibrillation degree of the natural fiber. That is, the low fiber density is adjusted by increasing the fibrillation degree of the natural fiber and densely filling fine fibers, or by filling a fiber bundle having a small fibrillation degree to make the fiber density sparse.

  Alternatively, it is performed by changing the fiber weight of the natural fiber. For example, by changing the filling amount of wood fibers (wood fibers) obtained by decomposing wood at high temperature and high pressure, the density of the air-permeable fiber mat with low fiber density can be further finely adjusted. be able to.

  The invention according to claim 3 of the present application is characterized in that in the humidity control panel according to claim 1, the humidity control material is interposed between fibers of a fiber matrix which is an aggregate of fibers.

  The humidity control panel according to the invention of claim 4 is a fiber having air permeability between humidity control fiber mats having a high fiber density in which a humidity control material is held inside a fiber matrix which is an aggregate of fibers. At least one board layer constituted by alternately connecting and arranging at the side ends with a low-density breathable fiber mat, and a breathable surface material on the front and back of the board layers. It is characterized by.

  In the humidity control panel according to the first aspect of the present invention, the side end of the humidity control fiber mat that holds the humidity control material therein and the side end of the ventilation fiber mat are connected and arranged. It consists of a board layer and a breathable surface material disposed on the surface of the board layer, and the humidity control material contained in the humidity control fiber mat of the board layer absorbs excessive moisture in the indoor environment and reduces the humidity. When the indoor environment dries, moisture is absorbed into the environment to increase the humidity, and these actions are performed by the humidity control fiber mat, and the side edges of the humidity control fiber mat and the ventilation fiber mat Are connected and arranged so that the air permeability of the air-permeable fiber mat provides an efficient humidity control function as a whole board layer, and the indoor environment can be kept good. Further, the air containing moisture contacts the board layer through the breathable surface material, or the air containing moisture directly contacts one side surface of the board layer to increase the humidity control effect, and the breathable surface. The material protects the surface of the humidity control panel.

  In the humidity control panel according to the invention of claim 2, since the humidity control fiber mat is composed of natural fibers and synthetic fibers as binders, a fiber assembly composed of natural fibers and synthetic fibers, By heating after the humidity conditioning material is added, the synthetic fiber melts and functions as a binder, and a fiber matrix holding the humidity conditioning material can be easily formed.

  In addition, since the ventilation fiber mat is made of natural fibers, it is possible to maintain good air permeability by loosely filling a bundle of natural fibers such as wood fibers, improving ventilation and improving the indoor environment. Can be kept in.

  In the humidity control panel according to the third aspect of the present invention, since the humidity control material is interposed between the fibers of the fiber matrix, which is an aggregate of fibers, the humidity control material is substantially uniform between the fibers. The effective contact area of the humidity control material is increased, the humidity control efficiency is improved, and the indoor environment can be kept good. Moreover, since the air permeable surface material arrange | positioned on the surface is formed from the air permeable fiber mat, ventilation property can be improved further.

  In the humidity control panel according to the fourth aspect of the present invention, an air-permeable fiber mat having a low air density and an air permeability is interposed between humidity-controlling fiber mats having a high fiber density and having a humidity control material therein. Since it is formed from at least one board layer that is alternately connected and arranged at the side edges, for example, when used for building materials for interiors that require strength, two or three board layers are used. By stacking layers, the humidity control function can be expressed and sufficient strength can be maintained. In addition, since a breathable fiber mat is disposed as a breathable surface material on the front and back of the board layer, the front and back surfaces of the board layer are protected, and the function of the humidity control fiber mat is prevented without impairing the breathability. It can be demonstrated.

  Hereinafter, embodiments of a humidity control panel according to the present invention will be described in detail with reference to the drawings. FIG. 1 is an exploded explanatory view schematically showing the configuration of a humidity control panel A according to the present invention. As shown in FIG. 1, the humidity control panel A includes a board layer 2 and a breathable surface material 31 and a breathable surface material 32 disposed on the front and back surfaces of the board layer 2.

  The board layer 2 is a fiber assembly, and includes a humidity control fiber mat 21 having a high fiber density and a ventilation fiber mat 22 having a low fiber density. While the humidity control material 1 is held, the side end of the humidity control fiber mat 21 and the side end of the ventilation fiber mat 22 are arranged to be connected. In this case, it is meant to include a state in which the air-permeable fiber mat 22 is arranged to be connected to the humidity control fiber mat 21 in the vertical direction and partially connected.

  The humidity control fiber mat 21 is made of an aggregate in which natural fibers such as wood fibers and a synthetic fiber as a binder, such as polyester fiber, are mixed, and the synthetic fibers are partially melted by heating to become natural. The fibers are welded to form a fiber matrix. At this time, for example, the humidity control material 1 obtained by pulverizing charcoal, bamboo charcoal, activated carbon or the like is held by the fiber matrix and exhibits a humidity control function.

  Breathable surface materials 31, 32 are disposed on the front and back surfaces of the board layer 2, and air containing moisture passes through the breathable surface materials 31, 32 as indicated by white arrows in FIG. When the humidity control fiber mat 21 comes into contact with the front and back surfaces 211 and the indoor humidity is excessive, the humidity control material 1 absorbs moisture. Further, when the room is dried, the absorbed moisture is released into the indoor environment through the air-permeable surface materials 31 and 32 to increase the humidity, and thus the humidity control action of the indoor environment is performed.

  On the other hand, as indicated by the arrows, air flows in the vertical direction through the ventilation fiber mat 22 having a low fiber density, and contacts the side end surface 212 of the humidity control fiber mat 21 to absorb excess moisture in the air. Further, when the room is dried, the absorbed moisture is released from the side surface 212 through the ventilation fiber mat 22 into the indoor environment to increase the humidity, and thus the indoor humidity control action is more efficiently performed. Done.

  In FIG. 2 (a), the board layer 2 is a core layer, breathable surface materials 31 and 32 are disposed on the front and back surfaces, and the humidity control panel A is integrated by pressing as indicated by the white arrow under heating. It is a schematic explanatory drawing which shows the process to convert. In FIG. 2A, natural fibers such as wood fibers are used as the air-permeable surface materials 31 and 32 as in the case of the air-permeable fiber mat 22 constituting the board layer 2.

  Here, both the contact surfaces of the board layer 2 and the air-permeable surface materials 31 and 32 disposed on the front and back surfaces of the board layer 2 have a mesh structure in appearance, so that the exposed surface of the mesh structure is generally used. The adhesive used in the above may be applied, or heat-pressed with a hot melt adhesive. By doing in this way, while maintaining the space | gap between fibers, the board | substrate layer 2 and the air permeable surface materials 31 and 32 are adhere | attached, without impairing air circulation and without impairing a humidity control function. Can do.

  As shown in FIG. 2A, the humidity control material 1 is held between fibers of a fiber matrix that is an aggregate of fibers. In this way, by keeping the humidity conditioning material 1 distributed substantially uniformly between the fibers, the effective contact area of the humidity conditioning material 1 is increased, the humidity conditioning efficiency is improved, and a good indoor environment is maintained. Can do.

  FIG. 2B is a cross-sectional view showing the product humidity control panel P integrated as described above. 2 (b) shows a case in which the board layer 2 is a single layer, but a plurality of layers of two or more layers are laminated and breathable surface materials 31 and 32 are disposed on the outermost front and back surfaces thereof. May be.

  For example, an interior decorative sheet is attached to the outermost side of the product humidity control panel P obtained as described above. However, for example, a decorative sheet made of, for example, vinyl chloride cloth, which has been favorably used from the viewpoint of ease of printing, etc., has almost no air permeability, so that the humidity control characteristics of the product humidity control panel P are sufficient. Cannot be expressed. Therefore, in the humidity control panel according to the present invention, it is preferable to use a breathable decorative sheet made of a sheet having a mesh such as a woven fabric or a non-woven fabric as the decorative sheet.

  The sheet having the mesh is not particularly limited as long as it has air permeability, and examples thereof include a sheet made of rayon, polyester, polypropylene, and the like. The surface of the sheet having these meshes is decorated to form a breathable decorative sheet (not shown), and is adhered to the product humidity control panel P.

  Here, it is necessary to sufficiently study the adhesive used when sticking, and the exposed surface of the network structure of the product humidity control panel P and the breathable decorative sheet are, for example, formed by a hot melt adhesive. Hot press and stick. At this time, it is necessary to set the heating temperature, the heating time, etc. of the hot press so that the hot melt adhesive is completely melted and the air-permeable gap is not lost. Further, it is possible to make a surface makeup while maintaining the humidity control function of the product humidity control panel P.

  The product humidity control panel P made up as described above can be used as a wall material or a ceiling material in an indoor living space, and can be advantageously used as a fitting material for storage. At this time, it is possible to change the ratio of the humidity control fiber mat 21 having a high fiber density of the board layer 2 and the air-permeable fiber mat 22 having a low fiber density according to the use, and the thickness of the board layer 2 can be changed. The number of stacked layers can be changed.

  As described above, the humidity control panel according to the present invention can be variously changed in design according to the desired application, and any case belongs to the technical scope of the present invention unless departing from the scope of the claims.

Exploded view schematically showing the configuration of the humidity control panel of the present invention. (A) is a schematic explanatory drawing which shows the process of integrating an air permeable surface material by making a board layer into a core layer, (b) is sectional drawing which shows the humidity control panel which is an integrated product.

Explanation of symbols

A Humidity control panel P according to the present invention Product humidity control panel 1 Humidity control material 2 Board layer 21 Humidity control fiber mat 211 Front and back surfaces 212 Side end face 22 Breathable fiber mat 31 Breathable surface material 32 Breathable surface material

Claims (4)

  A humidity control material is configured by holding a humidity control material inside a fiber matrix that is an aggregate of fibers, and a side end of the humidity control fiber mat is connected to a side end of the breathable fiber mat having air permeability. A humidity control panel comprising a board layer configured to be disposed and a breathable surface material disposed on a surface of the board layer.   The humidity control panel according to claim 1, wherein the humidity control fiber mat is made of natural fibers and synthetic fibers as a binder, and the ventilation fiber mat is made of natural fibers.   The humidity control panel according to claim 1, wherein the humidity conditioner is interposed between fibers of a fiber matrix that is an aggregate of fibers.   A breathable fiber mat with a low fiber density is interposed between the humidity control fiber mats with a high fiber density, which is formed by holding a humidity control material inside the fiber matrix, which is an aggregate of fibers. The humidity control panel according to claim 1, wherein at least one board layer configured by being disposed, and a breathable surface material is disposed on the front and back of the board layer.

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