JP2654670B2 - Building panel - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a composite panel used for a house, a warehouse, etc., and in particular, to a building panel designed to prevent dew condensation, mold prevention, corrosion resistance, and rust prevention of a heat insulating composite panel. Things.

[Conventional technology]

In general, a panel as disclosed in Japanese Utility Model Publication No. 50-895 has a construction in which joints are connected to form a thermal bridge, and dew condensation occurs due to a temperature difference between inside and outside air and humidity.

[Problems to be solved by the invention]

For this reason, when the dew is applied using such a panel, the dew condensation stagnates for a long time because the air between the inner and outer walls does not cycle, and the base is corroded. The surface of the panel becomes uneven due to mold, rust, deterioration of heat insulation performance (glass wool), and expansion and contraction of the back material. And the like.

[Means for solving the problem]

The present invention removes such defects, by adhering a water-absorbing, non-flammable nonwoven fabric to the exposed surface of the backing material, absorbing dew condensation water with these water-absorbing agents, and releasing it gradually,
The present invention proposes an architectural panel capable of preventing the spread of dew condensation water and preventing rust, corrosion, and mold, and preventing the decorative surface of the panel from being deformed due to expansion and contraction of the back surface material, thereby giving an uneven appearance. .

Example Hereinafter, an example of a building panel according to the present invention will be described in detail with reference to the drawings. That is, FIG. 1 is a perspective view showing an example of the detection panel A, wherein 1 is a front surface material, 5 is a back surface material, and 10 is a core material. To elaborate further,
The surface material 1 is made of a thin metal plate, for example, a surface-treated steel plate, a steel plate obtained by plating a zinc / nickel alloy on a steel plate, an aluminum / zinc alloy-plated steel plate (product name: galfan, galvalume steel plate, super zinc), an aluminum plate, an aluminum alloy plate , Fluororesin coated steel sheet, steel sheet, clad steel sheet,
A member in which a metal plate (including a flat plate and an embossed plate) such as a damping steel plate is formed into a predetermined shape by a roll, a press, or the like, and connection portions, for example, a male mold 3 and a female mold 4 are formed on both side edges of the decorative surface 2. It is. The backing material 5 is mainly composed of a water-absorbing resin, cellulose, glass fiber, gypsum, and aluminum hydroxide, and is made of a sheet-like material that sufficiently absorbs dew condensation water and has small expansion and contraction. Of course, the main material is a sheet material that has been subjected to flame retardant treatment and waterproof treatment,
The back material 5 or the like obtained by coating a water-absorbing resin on this. Examples of the water-absorbing resin include (a) starch-based, (b) cellulose-based, and (c) synthetic resin-based. (A) acrylonitrile-grafted hydrolyzate, acrylic acid-grafted compound, and (b) graft-polymerization. Product, carboxymethyl compound, (c) is one of polyacrylate, polyvinyl alcohol, polyethylene oxide, etc., or 2
It consists of more than species. The water-absorbing resin is coated on the fiber, impregnated into the nonwoven fabric, or dissolved in the cellulose fiber to form a paper-made nonwoven fabric or the like. It is assumed that there is no problem even if the occurrence occurs. Also, the backing material 5
Aluminum is deposited on or laminated with foil,
It is composed of one type of constituent material obtained by laminating a synthetic resin film thereon. Further, as a specific structure example of the back surface member 5, it can be formed as shown in FIGS. 2 (a) to 2 (c). That is, (a) is a back material 5 in which aluminum 6, kraft 7 and nonwoven fabric 8 are laminated, (b) is a back material 5 in which a synthetic resin film 9 is laminated on the aluminum 6 surface in (a), (c). The figure shows a nonwoven fabric 8 on aluminum 6
(Including a water-absorbing resin).
Of course, as the structure of the back surface member 5, a known sheet material may be laminated to form the back surface member 5, and a sheet material having a water absorbing property may be bonded only to the exposed surface. The surface on which the aluminum 6 is present is adhered to the core material 10 side, and the surface material having water absorbing property is adhered on the exposed surface which is the back surface of the panel. The core material 10 is made of polyurethane foam, polyisocyanurate foam, phenol foam (resol type, novolak type), polyethylene foam, polystyrene foam, and their modified or flame-retardant foam, or rock wool, gypsum board, sheathing insulation It is composed of at least one of a board, calcium carbonate, calcium silicate board, ALC board, foam concrete board and the like.

The above is only one embodiment of the building panel A according to the present invention, and FIGS. 3 (a) to (m) and FIGS. 4 (a) to 4 (a).
(T), and may be configured as shown in FIGS. 5 (a) to 5 (t). In the construction panel A, the backing material 5
Alternatively, a building panel A in which a sheet material having the same material as the surface material 1 and having a water absorbing property on its exposed surface may be integrally bonded may be formed.

〔The invention's effect〕

According to the building panel according to the present invention as described above,
Condensed water at the junction with the thermal bridge can be absorbed by the water-absorbing resin, and the humidity in the inner and outer wall spaces can be controlled. There is no corrosion of the substrate because the dew condensation water is absorbed. Eliminating rags of glass mats and the like is eliminated. Rust on steel substrate is eliminated. When the back material is paper, there is no expansion or contraction, and there is no deformation of the decorative surface. The fire resistance is sufficient by the components of the front, back, and core materials, and water absorption can be provided. And so on.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view showing an embodiment of a building panel according to the present invention, FIGS. 2 (a) to 2 (c) are explanatory views showing an example of a back material, and FIG. 3 (a). ~ (M) ~ Fig. 5 (a)
(T) is an explanatory view showing another embodiment. 1 ... front surface material, 5 ... back surface material, 10 ... core material.

Claims (1)

(57) [Claims] 1. An architectural panel in which a core material made of a synthetic resin foam is integrally interposed between a surface material made of a thin metal plate and a back material, wherein the exposed surface of the back material has water absorption and flame retardancy. An architectural panel in which a sheet material is integrally fixed.