JPH02169234A - Fireproof heat insulating panel - Google Patents

Abstract

PURPOSE:To obtain a fireproof heat insulating panel excellent in lightweight properties, heat insulating properties, fireproofness and productivity by coating the outer peripheral surfaces of the respective wires of a metal net being a reinforcing material with an engineering plastic material and forming this skeletal material into a chevron-shape, a trough-shape or a core of every kind to integrally interposing the same in a synthetic resin foam body and sandwiching said foam body by front and rear surface materials. CONSTITUTION:A panel 1 has a sandwich structure wherein a core material 4 is integrally interposed between front and rear surface materials 2, 3 and the core material 4 has such a structure that a skeletal material 6 is integrally interposed in the foamed layer 5 while the foamed layer 5 is prepared using a material composed of polyisocyanurate foam or phenol foam and having fireproof capacity acceptable to a semi-incombustible material and a fireproof structure as a raw material. The skeletal material 6 is formed by coating the outer peripheries of the wires of a metal net with engineering plastic as a film 8 and forming the coated metal net into an arbitrary shape, for example, a honeycomb-shape and embedded in the raw material of the foamed layer 5. By this method, a panel having strength can be formed at low cost.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a fire prevention and heat insulation panel using a synthetic resin foam as a core material, particularly a foam that has a possibility of passing as a quasi-noncombustible material.

[Prior art] As a conventional panel of this type, Utility Model Application No. 52-134217
Publication No. 138312/1983, Japanese Patent Application Laid-Open No. 1983-138312
-25649, and Japanese Utility Model Application Publication No. 61-56414 are known.

[Problem to be solved by the invention]

However, the panel of the first publication has a lattice honeycomb interposed between the front and back face plates, phenol foam insulation material in the upper and lower layers of the honeycomb, and foamed metal powder in the middle layer, and is integrally formed. Because it is a panel, manufacturing is extremely multi-step, complicated, and expensive, and furthermore, it is a panel that cannot be produced continuously. Of course, when polyurethane foam is used as an insulating material, it cannot pass the quasi-noncombustible material and fireproof structure tests, and even when phenol foam is used, it is difficult depending on the foam, and on top of that, it is a weak point of phenol foam. The weak adhesive strength and brittleness had the disadvantage of reducing the overall strength of the panel. The second honeycomb structure is a panel in which an inorganic foam insulation material such as primary aluminum phosphate, phosphoric acid, or Kurji is injected into the honeycomb core as a core material, and has heat insulation, fire resistance, compressibility, Although it has excellent soundproofing properties, since adhesive is used to integrate the face material and the honeycomb core, it lacks strength as an integrated product, and has disadvantages such as increased cost and poor productivity. Furthermore, the third panel has a structure in which the cells of the honeycomb core are filled with resin foam, and the resin foam and honeycomb core are bonded to the front and back materials, increasing the adhesive strength between each member. , and the insulation properties of the resin foam are honeycomb core,
It works between the front and back materials, prevents peeling between each member, and increases the strength of the entire panel, but fire protection cannot be expected at all. It was difficult. Furthermore, the fourth panel is a construction board with reinforcing members (flat steel, shaped steel, corrugated steel) embedded inside the foamed synthetic resin board to provide bending strength, but the reinforcing members are large in terms of fire prevention and heat insulation. This has the disadvantage of being a weak point and having a direct negative effect on the reaction during resin foaming.

In addition, in resin foam, the air inside the cells swells due to sunlight.
The force that deforms the foam is strong, and deformation of a composite plate using the foam as a core material is unavoidable.

Means for Solving Problem C] The present invention is a semi-incombustible material, a synthetic resin foam that can serve as the core material of a fireproof structure, and an engineering plastic material is coated on the outer circumferential surface of each line of wire mesh as a reinforcing material, and this framework material is used as a pile, It is formed in valleys, various cores, etc. and interposed integrally, and the surface,
Sandwiched with the backing material, it is lightweight, has excellent heat insulation, fireproofing properties, and productivity, and the resin foam raw material and the framework material are tightly bonded.
The present invention proposes an inexpensive fire prevention and heat insulation panel that has excellent integration, passes each of the above-mentioned tests, and does not deform into irregularities even when heated to about 130°C by sunlight.

(Example) The fire protection and heat insulation panel according to the present invention (
An example (hereinafter simply referred to as a panel) will be described in detail. FIG. 1 is a perspective view showing an example of the above-mentioned panel, in which soil is the panel, 2 is the surface material, 3 is the back material, and ↓ is the core material, which is composed of a foam layer 5 and a skeleton material 6. To explain further,
The top of the panel is a sandwich structure with a core material ± interposed between the front and back materials, and the thickness is 10 to 200 m.
Let it be m position. In other words, the front and back materials 2.3 have a thickness of 0.2~
3IlIIl Gold up to 1st place @temporarily, for example A1, Fe,
Press molding, extrusion molding, etc. of Cu, stainless steel, aluminum/zinc alloy plated steel sheets, titanium alloy sheets, colored steel sheets, galvalume steel sheets, galvanized steel sheets, enamel steel sheets, fluororesin coated steel sheets, clad steel sheets, sand inch steel sheets, etc.
It is formed into a predetermined shape by roll forming or the like.

Of course, the plate material may be a flat plate of the same thickness, a homogeneous material, a flat plate of different thicknesses or a different material, or an embossed plate. Core soil is foam layer 5
The foam layer 5 is made of one type of polyisocyanurate foam or phenol foam, and is made of a semi-noncombustible material and a material with fire-retardant properties that can pass fire-retardant construction. shall be. In addition, the frame member 6 is the third
As shown in the figure, a coating 8 is made of engineering plastic (hereinafter simply referred to as engineering plastic) on the outer periphery of each line of the wire mesh 7.
is coated and formed into an arbitrary shape, such as a honeycomb shape, a honeycomb shape, a roll shape, a curl shape, a cardboard shape, etc., and the raw material of the foam layer 5 is the skeleton material 6.
are buried, built-in, or arranged as shown in FIG. 1, and are interposed so that the front and back materials 2.3 and the frame material 6 come into contact with each other. The gold M47 is a wire rod (Fe, stainless steel, piano wire, shape memory alloy) or a sheet-like mesh body punched out of Fe.

In addition, engineering plastic raw materials include PPS (polyphenylene sulfite), PES (polyether ketone),
One of PAR (polyarylate), PAMXD6 (nylon), PEEK (polyetherketone), PEI (polyetherimide), PI (polyimide), and PVDF (thermoplastic fluororesin) is molded into the above-described shape.

For example, as shown in FIG. 2, a net-like sheet is formed with alternating peaks, valleys α and β, and a curved surface. An enlarged view (part of the example) is formed into a structure as shown in FIG. In particular, this framework material 6 has the function of not reducing the fireproofing properties and foamability of the foam layer 5, and also has the function of suppressing deformation of the panel top even at temperatures caused by solar radiation, and serves as a crank prevention material for the foam layer 5 under high heat. It is.

Next, as a manufacturing method for the above panel, PE is applied on the back material 3.
Using S as a material, a framework material 6 of 0.5 mm thickness, 3 mm width, and 5 m lattice spacing formed into peaks and valleys was placed, and the raw material for the foam layer 5 was discharged in liquid form onto this. Next, the surface material 2 was laminated and cured to form a panel with a thickness of 35 m as shown in FIG. On this panel, the test IQ (J
IS-A-1301) and passed the quasi-noncombustible material test (IS-A-1301).
JIS-^-1321), and passed the additional box test with a total calorific value of 39,200 (kJ), a heat generation rate of 121.6 (kJ/5ec), and an indoor temperature of 5,450.
°C, without Franschover.

〔Effect of the invention〕

As described above, according to the panel according to the present invention, since the core material containing the skeleton material is integrally interposed between the front and back surface materials, the panel deforms little even when exposed to sunlight.

■The foam layer does not crack under high heat, making it quasi-noncombustible and fireproof. ■It helps strengthen mechanical strength at room temperature. ■The core material has good "wetness" between the foam layer and the framework material, making it low cost and highly productive. ■The frame material is easy to bend and shape, and requires less engineering plastic, so it can be formed into high-strength panels at low cost. It has the following characteristics.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an example of a fire prevention and heat insulation panel according to the present invention, FIG. 2 is a perspective view showing an example of a skeleton material, and FIG. 3 is an explanatory diagram showing an enlarged part of the skeleton material. . 1.--Fire protection, insulation panel, 2... Surface material, 3...
Back material, soil... core material, 5... foam layer, 6... skeleton material.

Claims (1)

[Claims] (1) Phenol foam and polyisocyanurate foam are interposed between the metal front and back materials, and
The foam layer is characterized by integrally interposing a skeleton material formed by covering the outer periphery of each wire of the wire mesh with a film made of a heat-resistant engineering plastic material and molding this into a honeycomb structure such as peaks and valleys. and fire protection and insulation panels.