JPH0675942B2 - Architectural panel - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a building panel (hereinafter, simply referred to as a panel) useful for forming a wall of an interior or exterior of a building or a structure. More specifically, it relates to a panel having enhanced fire protection.

[Conventional technology]

This type of panel, which has been used conventionally, is formed into a substantially gutter shape with male and female connection parts on both edges of a surface material made of a thin metal plate, and synthetic resin foam such as polyurethane foam is formed in the gutter part. A large number of products, which are filled as a core material and whose back surface is covered with a sheet-like material, have heat insulating properties and are put on the market.

[Problems to be solved by the invention]

However, in this type of panel, the synthetic resin foam as the core material, such as polyurethane foam and polystyrene foam, has heat resistance but does not have fire resistance, and it was impossible to pass the quasi-incombustibility test and fire protection test. .

[Means for solving problems]

In order to eliminate such drawbacks, the present invention comprises a fireproof sheet impregnated with a novolac type phenolic resin that foams at a high temperature and forms a carbonized layer, and at least a decorative surface portion of the surface material and a core material made of a synthetic resin foam. The present invention proposes a panel which is disposed in the middle of the above and is foamed at a high temperature to form a fireproof layer, thereby significantly improving fireproofness.

〔Example〕

Hereinafter, typical examples of the 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 the panel A, for example, a surface-treated steel plate, a zinc / nickel alloy plated steel plate, an aluminum / zinc alloy plated steel plate (trade name: galfan, galvalume steel plate, super zinc), aluminum plate, aluminum Metal plate (including flat plate and embossed plate) made of one type such as alloy plate, copper plate, stainless plate, clad copper plate, damping steel plate, or synthetic resin plate is formed by roll, pressing, or extrusion molding Surface material 1 , a core material 14 filled on the back surface of the surface material 1 , and a sheet-like back surface material covering the back surface of the core material 14.
It is formed from 15 and. More specifically, the surface material 1 is composed of a decorative surface portion 2, a male connecting portion 5, and a female connecting portion 8. The decorative surface portion 2 functions as a decorative surface on the wall formed by the panel A,
It has side walls 3 and 4 which are bent vertically or inclined at both side edges in the longitudinal direction. Further, the male type connecting portion 5 is composed of an insertion edge 6 in which the lower end of the side wall 3 is bent outward, and a tongue piece 7 formed by bending the tip of the insertion edge 6 in a zigzag shape if necessary. The mold connecting portion 8 includes an engaging groove 9 in which the lower end of the side wall 4 is formed inward in a U shape, a nail driving piece 11 in which a lower edge 10 of the engaging groove 9 is extended outward, and a nail driving piece. The edge of 11 is formed by a tongue piece 12 which is bent like a spiral if necessary. That is, the panels A are connected to each other by inserting the insertion edge 6 into the engagement groove 9. The tongue piece 7
To prevent the tip of the insertion edge 6 from waving, facilitate insertion into the engaging groove 9, and utilize rain reversal within the connection structure of the panel A and elastic deformation of the insertion edge 6. It is also useful for strengthening the engagement force by. Further, although not shown, the tongues 7 and 12 sandwich the edge of the back surface material 15 described later, and
It is possible to prevent the leakage of water and to strengthen the mechanical strength of the panel A. 13 is a fireproof sheet, glass fiber sheet,
Sheets of glass wool net, kraft paper, asbestos paper, non-woven fabric, rock wool, cloth sheets, etc., coated with novolac type phenolic resin powder on one side, and once heated to melt and cool, or formed It is composed of materials mixed in when the sheet material is manufactured. This fireproof sheet 13 is located between the core material 14 and the surface material 1 , especially the decorative surface 2
It is placed on the back side of the sheet all over or partially in a strip shape.
It expands to about 20 times. Fire protection sheet 13
By foaming under high heat, it becomes an intermediate isolation layer between the core material 14 having weak fire resistance and the heat source, so that the fire resistance of the panel A is dramatically improved. Also, the fireproof sheet 13 has a thickness of 0.5 to 5 mm.
Because of its position and flexibility, it can be installed by simply modifying some of the devices for manufacturing conventional panels. Further, the fireproof sheet 13 may have a simple sheet shape (FIG. 2 (a)) as shown in FIG. 2 (a) to (d), or may have holes 13a ((b) to (d) regularly or randomly. ) Is provided. In this case, the holes 13a shown in FIGS. 7 (b) to 7 (d) serve to attach the fireproof sheet 13 to the surface material 1 through the self-adhesiveness of the core material 14. In addition,
When the holes 13a are not provided as shown in (a), it is preferable that the holes 13a be attached to the surface material 1 via an adhesive although it depends on the width of the fireproof sheet 13 and the material of the core material 14. The core material 14 is a decorative surface portion 2 on the back surface of the surface material 1 , a male connecting portion 5, a female connecting portion 8
It fills at least a gutter-shaped portion surrounded by the above and mainly imparts heat insulating property to the panel A, and secondarily uses a material having a function such as an adhesive, a noncombustible material, a cushioning material, and a soundproofing material. It is also composed of one or more kinds. Specifically, synthetic resin foam, for example, polyurethane foam resin, phenol foam resin, polyisocyanurate foam resin, polystyrene foam, phenol foam resin is coated around perlite, and heated and pressurized to foam. Form to be made, and flame retardant, flame retardant aid (borax, sodium metaborate, antimony trioxide, calcium carbonate, aluminum hydroxide, bentonite, pearlite particles, shirasu balloon, asbestos, various fibers)
It is composed of one or more species added. Further, although not shown, the core material 14 can be provided so as to bulge downward from the back surface of the nail driving piece 11 to further improve the heat insulating property. When the resol type phenolic foam-based synthetic resin is used for the core material 14, the fireproof sheet 13 serves as a separator, and the strong acid component used as a curing agent for the resol type phenolic foam may come into contact with the surface material 1. Therefore, it is possible to prevent the corrosion of the surface material 1 due to the strong acid. The back surface material 15 covers at least the back surface of the core material 14 to form the sandwich structure of the panel A to improve the mechanical strength of the panel A itself, and at the same time, the non-combustible sheet, the waterproof film, the heat shield sheet, the water absorbing sheet, the soundproof sheet, the packing material, etc. It is useful as a function of, for example, asbestos paper, kraft paper, asphalt felt, metal foil (Al, Fe, Pb, Cu), synthetic resin sheet, rubber sheet, cloth sheet, gypsum paper, aluminum hydroxide paper, glass fiber. The non-woven fabric is formed by laminating one kind or two or more kinds of non-woven cloth, or a sheet that is waterproofed or flame-retarded. Both ends of the back surface material 15 are sandwiched by the tongues 7 and 12, or the front surface material 1 and the core material 14 are sandwiched.
It is also possible to dispose it in the middle of or and to project outward from the end edge of the female type connecting portion 8.

The above is only one example of the panel A according to the present invention, and it may be formed as shown in FIGS. 3 (a) to (d) and FIGS. 4 (a) to (v). That is, FIGS. 3 (a) to 3 (d) are modified examples showing the arrangement state of the fire protection sheet 13, and FIG. 3 (a) shows panels A, (b) in which a plurality of fire protection sheets 13 are arranged in a strip shape. (C) The figure shows the decorative surface portion 2, the side wall 3,
4 is a panel A in which a fireproof sheet 13 is provided, and in particular, (c) is a panel A in which separate fireproof sheets 13 for the decorative surface portion 2 and the side walls 3 and 4 are provided, and (d) is a core material 14. Panel A in which a fireproof sheet 13 is arranged on all contact surfaces of the surface material 1 and the surface material 1 . 4 (a) to (v) are modified examples of the surface material 1 and the core material 14, and FIGS. 4 (a) to (c) show that the core material 14 is bulged below the nail driving piece 11. Panels A and (d) are panels A and (c) in which the decorative surface portion 2 is provided with one or more decorative ribs 2a having a square or semicircular cross section.
Panels A, (f), and (g) in which a step 2b is provided in the figure show that the tip of the insertion edge 6 is folded back inward and extended as it is to sandwich the core material.
The panel A provided with 6a is a panel A in which the integration of the core material 14 and the surface material 1 is strengthened and the leakage of the core material 14 is prevented. In particular, (g) shows the insertion edge 6 and the core material sandwiched. Core material in the middle of piece 6a
Panel A with (14) interposed is a panel in which the male and female type connection parts 5 and 8 are formed in substantially the same shape so that the relationship between male and female can be changed according to the construction condition. A,
(I) the panel A in which the side wall 3 is inclined to increase the working width and the design is improved, and (j) is the panel A in which the side wall 3 is removed and the decorative surface portion 2 is inclined (k). ) ~
In the figure (r), the tip of the insertion edge 6 is folded back inward and then bent outward to form the fitting groove 5a, and the lower edge of the fitting groove 5a is extended outward and nailed. A panel 11 is formed by forming a piece 11 'to form a male connecting portion 5, and a nail connecting piece 11 of the female connecting portion 8 is removed to connect the panels A to each other. Groove 5a and bottom edge
Panel A with 10 double layers, waterproof and reinforced engagement force,
In the figure, (s) shows that the lower end of the side wall 3 is bent inward, and then outwardly bent to fit the end of the decorative surface portion 2 on the female connecting portion 8 side into a fitting groove 5b and an insertion edge 6. Panel (A) in which the male and female type connecting portions 5 and 8 are formed so that the connecting structure of the panel A is hooked to each other. 8 is a panel A in which caulking material 16 is planted in at least one position shown by hatching to enhance waterproofness and airtightness. The caulking material 16 is a hot-melt adhesive (2 to 5 times larger). (Including foamed ones), or a soft foam type or a soft rubber type packing material. Further, (v) is a panel A in which the end face walls 17 are provided on both side edges of the decorative surface portion 2 in the short-length direction or on either one of them to facilitate flatness of the decorative surface portion 2 and waterproof treatment when the decorative surface portion 2 is stretched horizontally. . Of course, FIG. 3 (a)-
It is also possible to form panel A in which (d) and FIGS. 4 (a) to (v) are combined.

〔The invention's effect〕

As described above, according to the panel of the present invention, the novolac-type phenolic resin contained in the fireproof sheet is foamed at the time of high heat such as a fire, and becomes a non-combustible core material and a heat source separating layer, and the fireproofness of the panel is improved. Can be greatly improved. Further, the fireproof sheet prevents the corrosion of the surface material because it prevents the strong acid component used as a curing agent for the core material from coming into contact with the surface material when the resol type phenolic foam is used as the core material. . Further, the panel can be manufactured simply by adding a mechanism for tensioning a fireproof sheet to a conventional manufacturing apparatus, and the panel can be easily manufactured.

[Brief description of drawings]

FIG. 1 is a perspective view showing a typical example of a building panel according to the present invention, FIGS. 2 (a) to (d) are explanatory views showing the shape of a fireproof sheet used in the present invention, and FIG. 3 (a). )-(D) and FIGS. 4 (a)-(v) are explanatory views showing other embodiments. A: Building panel, 1 ... Surface material, 13 ... Fireproof sheet, 14 ... Core material, 15 ... Back material.

Claims (1)

[Claims] 1. A horizontally long metal plate or a synthetic resin plate is used as a surface material, a male connecting portion is formed at one end of the decorative surface portion of the surface material, and a female connecting portion is formed at the other end of the surface material. A building panel in which a core material made of a synthetic resin foam is filled and the back surface of the core material is covered with a sheet-shaped back surface material to form a sandwich structure, at least in the middle of the decorative surface portion and the core material, a novolac type A building panel comprising a fireproof sheet, which is obtained by impregnating the above-mentioned phenol resin into a sheet-like material.