JPH09228511A - Fire-resistant panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fire-resistant panel equipped with excellent fire resistance and mechanical strength which is free from risk of swell, warp, etc., after being fabricated and which can favorably be used as materials for the interior, exte rior wall, roof, ceiling, floor, partitioning, fireproof door, etc., of a building or structure. SOLUTION: A long stretching fire-proof panel A is structured so that an inorganic substance board 5 is formed on the rear surface of a front surface material 1 with adhesive 4 interposed, plastic foam 15 is sandwiched between the board 5 and a rear surface material 2, and male-female type couplings are formed at the two ends. At the rear surface of the board 5, a plurality of spaces 7 are formed so that communication is generated from one end face to another by forming projections and recesses 6, and a drafty anchor 9 is formed consolidatedly between the board 5 and plastic foam 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to construction,
It can be used as an exterior wall material, roof material, ceiling material, floor material, partition material, fire door, etc., and has no deformation such as swelling or warpage after production, and has excellent fire resistance, fire resistance, and mechanical strength. It is about panels.

[0002]

2. Description of the Related Art In general, many fireproof panels in which a core material made of a phenol resin foam (phenol foam) is sandwiched between a thin plate-like front surface material and a back surface material have been invented, devised, and put on the market.

[0003]

However, in a fireproof panel using phenol foam as a core material as described above, the self-adhesiveness of the phenol foam is generally weak, and the adhesion between the surface material, the back surface material and the core material is generally low. It was inferior in property and easily peeled off. In addition, the mechanical strength of the fire-resistant panel itself is poor, and in addition, there are cases in which irregularities or warpage may occur on the surface of the fire-resistant panel due to aging of the core material. Further, when a core material is formed, a reaction gas is generated and remains in the core material, or the condensed water during the reaction is held in the phenol foam at a rate of several tens of percent of the weight, so that the curing period of the product or the fireproof panel After the construction, the water vaporizes due to changes in the outside temperature, etc., and since there is no escape, it remains between the surface material of the fire-resistant panel or the backing material and the core material, and gas on the back surface of the fire-resistant panel and the back surface of the backing material. Occasionally, problems such as swelling or warping which adversely affect the fireproof panel may occur.

[0004]

In order to eliminate such drawbacks, the present invention forms an inorganic board on the back surface of a surface material via an adhesive and sandwiches a plastic foam between the inorganic board and the back surface material. In a long fireproof panel having male and female type connecting parts formed at both ends, a plurality of spaces are formed so as to communicate with each other from the mouth to the mouth by forming irregularities on the back surface of the inorganic board. By integrally forming a breathable anchor member between the board and plastic foam, the mechanical strength of the fire-resistant panel itself is improved, and the adhesive strength with the core material is improved, and the reaction in the core material from the space of the inorganic board is improved. The invention proposes a refractory panel that releases gas and water vapor to the outside of the refractory panel and does not adversely affect the manufactured refractory panel such as warpage and swelling.

[0005]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a fireproof panel according to the present invention. That is, the fire-resistant panel A has a surface material 1 as shown in FIG. 1, FIG. 2 (enlarged sectional view taken along the line aa of FIG. 1), FIG. 3, FIG.
The core material 3 is integrally formed between the back surface material 2 and the back surface material 2, and the inorganic board 5 is formed on the back surface of the surface material 1 via the adhesive 4. The inorganic board 5 and the back surface material 2 have, for example, fire resistance. Fireproof panel A sandwiching a plastic foam 15 made of synthetic resin foam whose main raw material is phenol resin
In addition, the breathable anchor member 9 is formed via the adhesive 8 on the back surface side (the surface on the core material 3 side) of the inorganic board 5 in which the space 7 is formed by at least the unevenness 6.

FIG. 1 shows an example of the overall shape of the fireproof panel A.
As shown in FIG. 1, a surface material 1 made of a long thin metal plate,
The back surface member 2 is formed of a male connecting portion 10 formed at one end in the width direction, a female connecting portion 11 formed at the other end, and a decorative surface 12. Further, the fireproof panel A has an inorganic packing material 13 and a waterproof packing material 14 at a connecting portion formed by connecting the fireproof panels A to each other, and further improves fireproofness, fireproofness, and waterproofness. In addition, in FIG.
α is a frame, β is a fixture, B is a joint cover, C is a mat board,
D is a packing material such as EPDM, E is a caulking material having waterproofness and fire resistance, F is a refractory material such as rock wool, and G is a fireproof siding board on which the fireproof material F is formed. Further, the joint portion shown in FIG. 3 and the upper and lower end portions of the joint portion are provided with voids for releasing the above-mentioned gas and the like to the outside.
Of course, it is discharged to the outside through the gap between the respective parts.

The front surface material 1 and the back surface material 2 are made of a thin metal plate, for example, iron, aluminum, copper, stainless steel, titanium, aluminum.
Zinc alloy plated steel plate, Galvalume steel plate, Enameled steel plate, Clad steel plate, Laminated steel plate (PVC steel plate, etc.), Sandwich steel plate (Vibration suppression steel plate, etc.), Vinyl chloride resin, Polycarbonate resin, etc. (Of course, color plates coated with these in various colors. Roll molding, press molding,
Extrusion molding, press molding, autoclaving, etc., formed into various arbitrary shapes by extrusion molding, press molding, autoclave cultivation molding, etc. Further, aluminum backing paper, 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 non-woven fabric, etc. 1
Or a laminate of two or more kinds, or a sheet-like material that is waterproofed or flame-retarded, or a composite material thereof.

The core material 3 includes an adhesive 4, an inorganic board 5,
It consists of an adhesive 8 and a plastic foam 15. The plastic foam 15 is mainly composed of a heat insulating material, a fireproof material, an adhesive,
It functions as a reinforcing material, a cushioning material, a sound absorbing material, a bulk material, a lightweight material, and the like.

More specifically, the plastic foam 15 is made of synthetic resin foam such as phenol foam, polyurethane foam, polyisocyanurate foam, vinyl chloride foam, polyethylene foam, polystyrene foam, urea foam and the like. The phenol resin undiluted solution (phenol resin) is mixed with a composition such as a flame retardant, a foaming agent, a thermally foamed carbonized layer forming agent, a neutralizing agent, a curing agent, a plasticizer, and the like to prepare the front surface material 1 or the back surface material 2. It is formed by discharging on the back side and heating to react, foam and cure. Also, as various flame retardant materials, lightweight aggregates (perlite particles, glass beads, gypsum slag, talc stone, shirasu balloon, aluminum hydroxide, etc.), fibrous materials (glass wool, rock wool, carbon fiber, graphite, etc.), etc. is there.

As the fire-resistant plastic foam 15, a resol type phenolic foam is mixed with a foaming agent, aluminum hydroxide (Al (OH) ₃ ), ammonium polyphosphate, graphite, a curing agent, etc. to foam.
It is cured and formed to a finish density of 50 to 300 Kg / m ³ .

Examples of the adhesive 4 and the adhesive 8 are an elastomer type epoxy resin, an emulsion type such as isocyanate such as methylene diisocyanate (abbreviation MDI), a hot melt type, and its modified isocyanate such as urethane modified and buret modified. One type of isocyanate, isocyanurate-modified isocyanate or the like is used. For example, synthetic resin adhesive such as epoxy resin, phenol resin, urethane resin, vinyl resin, acrylic resin, polyester resin, EVA resin, or rubber adhesive , An oil-based adhesive, and the like.

The inorganic board 5 has a strengthened fire resistance of the connecting portion,
It is used for improving the mechanical strength, preventing peeling of the surface material 1, etc., and is for passing the fireproof structure 1 hour test of JIS-A-1304 fireproof structure test. Calcium board, gypsum board, perlite cement board, rock wool board, slate board, AL
C board, PC board, other inorganic lightweight body, inorganic lightweight foam, or one or more of these composite boards, or super high density resin (high density phenol foam, etc.) To be integrated with the adhesive 4 via the adhesive 4. Further, the inorganic board 5 is provided with irregularities 6 for forming the spaces 7. The spaces 7 formed by the irregularities 6 are connected to the joints shown in FIG. Excess gas components (chlorine, carbon dioxide,
Methylene chloride, formaldehyde, steam, hydrogen,
Etc.) or a gas such as condensed water at the time of reaction is released to the outside, and the surface material 1 and the back surface material 2 of the manufactured fireproof panel A are not deformed by internal gas such as swelling and warping, and have strength,
The fireproof panel A has excellent fireproof performance.

The breathable anchor member 9 is shown in FIGS.
As shown in (c), it is adhered to the back surface of the inorganic board 5 via an adhesive 8 to improve the adhesive strength between the inorganic board 5 and the core material 3 and to function as a space 7 forming member. . Further, the breathable anchor member 9 communicates with the space 7 of the inorganic board 5 and the joint portion shown in FIG. 3, and the surplus gas components (chlorine, carbon dioxide, methylene chloride, formaldehyde, steam, hydrogen, Etc.) or a gas such as condensed water at the time of the reaction is released to the outside through these spaces, and no deformation such as swelling or warping due to the internal gas appears on the front surface and the back surface of the fireproof panel A after manufacturing, and the strength is high. The fireproof panel A has excellent fireproof performance.

More specifically, the breathable anchor member 9
Is a material that allows gas and the like to pass through but does not allow liquid to pass. Etc. are formed at an arbitrary density, and at the time of flocking, fibers having a length of 10 to 200 μ and a thickness of about 5 to 200 μ are used. In addition, FIG.
In (c), (a) is a sheet, (b) is a breathable anchor member 9 in which fibers (pile) are planted, and (c) is a breathable anchor member 9 formed of a nonwoven fabric.

By forming the air-permeable anchor member 9 with fibers in this manner, the air-permeable anchor member 9 enhances the adhesive strength between the surface material 1 and the core material 3, and particularly, the core material 3 is made of phenol foam. When a brittle and weak adhesive strength is used, peeling between the inorganic board 5, the backside material 2 and the core material 3 is prevented. Of course, it is also possible to use the hair-implanted material on both sides as the breathable anchor member 9.

Further, as the breathable anchor member 9 using a non-woven fabric, polyester fiber, nylon fiber, vinylon fiber, boron fiber, carbon fiber, alumina fiber, silicon carbide fiber, aramid fiber, glass fiber, rock wool fiber, etc. It is a sheet-like material having air permeability consisting of one of the above.

The inorganic packing material 13 is made of, for example, rock wool felt, ceramic wool, etc.
A-1304 Fireproof structure test of fireproof structure It is useful as a function of fireproof material, airtight material, etc. by preventing the formation of gaps between connecting parts during 1 hour test and blocking the ingress of flame. is there.

The waterproof packing material 14 is, for example, a polyvinyl chloride-based, chloroprene-based, chlorosulfonated polyethylene-based, ethylene propylene-based, asphalt-impregnated polyurethane-based, EPM, EPDM or the like as a typical and elastic packing material. Are commercially available, and are mainly useful as a function of a waterproof material, an airtight material, and the like.

Further, in order to confirm the fireproof property of the fireproof panel A of this construction, a fireproof structure 1 hour test of the fireproof structure test of JIS-A-1304 was carried out on the fireproof panel A as shown in FIG. Got the performance to pass. The specifications at this time are as follows: the front and back materials 1 and 2 are 0.5 mm thick colored steel plates, the plastic foam 15 is phenolic foam (density 160 Kg / m ³ ), the inorganic board 5 is calcium silicate board, and the air-permeable anchor. The member 9 was rock wool fiber, and the total thickness of the fireproof panel A was 50 mm. An inorganic packing material 13 made of rock wool felt is continuously formed at the connecting portion.

[0020]

[Other Embodiments] The embodiment described above is one embodiment of the fireproof panel according to the present invention, and a fireproof panel A as shown in FIGS. 7 to 10 can be used. That is, FIG.
8A to 8F and FIGS. 8A to 8E are partially enlarged views showing other examples of the inorganic board 5.

Further, FIGS. 9A to 9E and FIG.
(A)-(e) shows other examples of the cross section of the fireproof panel A.

In FIGS. 9A to 9E, the adhesive 4, the adhesive 8 and the like are omitted.

[0023]

As described above, according to the fire-resistant panel of the present invention, even when phenol foam is used as the plastic foam, the adhesive strength with the plastic foam is greatly improved because the adhesive with the plastic foam is a breathable member. However, the surface material does not peel off after manufacturing. Since a plurality of concave and convex spaces of the inorganic board are continuously formed from the wood mouth to the wood mouth, and at least one end of the inorganic board is integrally formed by being connected to the space of the male / female connecting portion, the joint portion is formed. The reaction gas and water vapor in the core material can be reliably discharged to the outside of the refractory panel through the space, and the warp, swelling, and peeling of the fireproof panel after manufacturing can be prevented. JIS-A-1
301 (Fireproof test method for wooden parts of buildings), JIS-
A-1302 (fireproof test method for non-combustible structure part of building), JIS-A-1304 (fireproof test method for building structure part), and the like have fire resistance performance that can pass the test. The formation of the inorganic board significantly improves the fire resistance and mechanical strength. There are features and effects such as.

[Brief description of drawings]

FIG. 1 is a perspective view showing a typical example of a fireproof panel according to the present invention.

FIG. 2 is a partially enlarged cross-sectional view showing a typical example of a fireproof panel according to the present invention.

FIG. 3 is a cross-sectional view showing a joint portion of the fireproof panel according to the present invention.

FIG. 4 is a partially enlarged cross-sectional view showing a typical example of a fireproof panel according to the present invention.

FIG. 5 is a partially enlarged cross-sectional view showing a typical example of the connecting portion of the fireproof panel according to the present invention.

FIG. 6 is an explanatory view showing an example of a breathable anchor member used in the fireproof panel according to the present invention.

FIG. 7 is a partially enlarged view showing another example of the inorganic board used in the fireproof panel according to the present invention.

FIG. 8 is a partially enlarged view showing another example of the inorganic board used for the fireproof panel according to the present invention.

FIG. 9 is a cross-sectional view showing another example of the fireproof panel according to the present invention.

FIG. 10 is a cross-sectional view showing another example of the fireproof panel according to the present invention.

[Explanation of symbols]

 α frame β Fixing device A Fireproof panel B Joint cover C Laying board D Packing material E Caulking material F Fireproof material G Fireproof laying board 1 Surface material 2 Backside material 3 Core material 4 Adhesive 5 Inorganic board 6 Unevenness 7 Space 8 Adhesion Agent 9 Breathable anchor member 10 Male connecting portion 11 Female connecting portion 12 Decorative surface 13 Inorganic packing material 14 Waterproof packing material 15 Plastic foam

Claims (1)

[Claims] Claims: 1. A long fireproof structure in which an inorganic board is formed on the back surface of a surface material via an adhesive, and a plastic foam is sandwiched between the inorganic board and the back surface material, and male and female connection parts are formed at both ends. In the panel, a plurality of spaces are formed by forming irregularities on the back surface of the inorganic board so as to communicate with each other from a wood mouth to a wood mouth, and a breathable anchor member is integrally formed between the inorganic board and the plastic foam. Fireproof panel characterized by being.