JPH11200552A - Building material panel and method of manufacturing the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a recyclable building material panel which has a simple structure, is lightweight, is easy to assemble as a partition or interior panel, and is recyclable, and reduces manufacturing costs by a simple manufacturing method. Obtained building material panel. SOLUTION: A polypropylene fiber cloth is heat-sealed or adhered to an outer peripheral surface of a board made of a hollow or foam skeleton core material made of a polypropylene resin to form a building material panel.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a building material panel which is made of polypropylene and is recyclable and is suitable as a partitioning material such as a partition or a panel for an interior material, and a method for producing the same.

[0002]

2. Description of the Related Art Partitions used for non-permanent partitions and interior materials in office rooms and the like are composed of a skeleton board made of a structure having a continuous or discontinuous space portion, a honeycomb structure, etc. Single or multiple layers of resin plates, metal plates, etc. are laminated, and a composite laminate panel is formed by attaching a decorative cloth such as a woven fabric or a knitted fabric, and assembled by fitting a frame made of metal or resin around the panel. It is generally manufactured by such a method.

However, the conventional partition is
The manufacturing is complicated according to the size, and the manufacturing itself is complicated.Therefore, there is a problem that the manufacturing cost is high.In addition, since the panel itself is heavy, handling during transportation and construction is difficult. Accordingly, there is a problem that the construction cost increases. Moreover, in the conventional partition, the constituent material is made of a different material such as a metal or a resin, and the metal or the resin is also used in combination of different types, and each constituent member is fixedly bonded with an adhesive at the time of lamination. For,
It is difficult to separate constituent materials at the time of disposal, which makes it impossible to recycle waste.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a recyclable building material panel which has a simple structure, is lightweight, is easy to assemble as a partition or interior panel, and is recyclable. An object of the present invention is to obtain a building material panel whose manufacturing cost is reduced by the method.

[0005]

According to the present invention, a polypropylene fiber cloth is laminated on the outer peripheral surface of a board made of a hollow or foamed skeleton core material made of polypropylene resin and integrated by fusion or adhesion. Building material panels,
And, a method for manufacturing a building material panel, comprising: bonding a polypropylene fiber cloth to the outer peripheral surface of a board formed of a hollow or foam skeleton core material made of a polypropylene resin by heat fusion or adhesion. It is in. In particular, a method for manufacturing a building material panel is characterized in that a panel in which a polypropylene fiber cloth is laminated and integrated on the board is overlapped, and the abutting portion is joined by heating or bonding. A method for manufacturing a panel, and a block-shaped unit in which a polypropylene fiber cloth is laminated on a block-shaped unit of a hollow core or foam skeleton core material made of a polypropylene resin or an outer peripheral surface of the block-shaped unit and fused or bonded, A method for manufacturing a panel for building material, characterized in that the blocks are combined in a board shape, and the contact portions of the block-shaped units are joined by heat fusion or adhesion.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION The skeleton core material in the panel of the present invention is formed of a hollow or foamed body made of polypropylene resin, and forms a continuous or discontinuous space by ribs or the like by extrusion of polypropylene resin. A foamed structure obtained by mixing a foaming agent into a hollow structure having a discontinuous void structure obtained by thermally compressing a straw structure, a channel structure, a honeycomb structure, or a cotton or nonwoven fabric of polypropylene fiber, or a polypropylene resin, and pressing or extruding and foaming. The core material has a lightweight structure with no body. The polypropylene resin may be a virgin resin or a virgin fiber product, or may be a waste resin or a waste fiber product.

[0007] In consideration of the fact that a board made of a framed core material is used as a partition, an interior material or the like, a thumbtack is stabbed, it is preferable that the board has a structure in which the surface layer of the board is thin or a thumbtack stabs. However, a board having such a structure is generally easy to bend, and in that it is difficult to bend the board, two or more long core units composed of a hollow body or a foam are parallel or crossed or laminated to form a desired board. Formed on a board by bonding to the outer shape by fusion or adhesion,
Further, it is preferable that two or more block-shaped core material units are combined to form a board by bonding or bonding to a desired outer shape by fusing, bonding or fitting. Further, when the board is formed of two or more core material units, two or more of the units are joined to each other by the fusion of the polypropylene fiber cloth itself which has been laminated and fused or bonded to the outer peripheral surface of the unit in advance. May be.

In the panel of the present invention, a polypropylene fiber cloth is laminated on the outer peripheral surface of a board made of a framed core material and integrated by fusion or adhesion. In the integration, the core board and the fiber cloth are fused to each other by melting the polypropylene constituting them, and the core board and the fiber cloth are bonded with an adhesive, preferably a polypropylene-based adhesive. It is done by doing. The polypropylene fiber cloth laminated and bonded or bonded to the outer peripheral surface of the board has a cloth shape such as a woven cloth, a knitted cloth, or a nonwoven cloth. The polypropylene fiber cloth may be one that gives a decorative effect by coloring or patterning.

The panel according to the present invention is characterized in that the board composed of the skeleton core material and the polypropylene fiber cloth on the outer peripheral surface thereof are not separated by a difficult-to-separate material or a mechanical fastener, and the skeleton core material polypropylene constituting the board is formed. The resin and the fiber cloth are firmly joined and integrated by fusion of polypropylene fibers or bonding with an adhesive.

The panel of the present invention has a polypropylene fiber cloth laminated on an outer peripheral surface of a board made of a framed core material and is integrated by fusion or bonding in order to obtain a desired or desired thickness of the panel. The panels may be further overlapped, and the abutting portions may be joined and integrated by fusion or adhesion. The polypropylene fiber cloth laminated and integrated on the outer peripheral surface of the board composed of the skeleton core material may be the entire outer peripheral surface of the board, or may be a part of the outer peripheral surface of the board. Must be on the surface.

[0011] The construction material panel of the present invention is a partition panel for partition, a partition panel for interior, a partition panel for desktop, since the board itself is composed of a skeleton core material which is a main component of the panel, and the board is lightweight. The panel for building materials of the present invention is directed to these panels.

The panel of the present invention is manufactured by arranging a polypropylene fiber cloth on the outer peripheral surface of a board made of a hollow or foam skeleton core material made of a polypropylene resin as it is or with a polyethylene resin which is more fusible than the polypropylene resin. It can also be done by heating and fusing on the polypropylene fiber cloth and joining by bonding, but in order to minimize the texture of the fiber cloth, the polypropylene fiber cloth should be laminated It is preferable to heat the surface of the polypropylene resin board and press-bond a polypropylene fiber cloth to the surface to fuse it. Alternatively, the bonding may be performed by bonding a polypropylene fiber cloth to the outer peripheral surface of the polypropylene resin board using an adhesive, preferably a polypropylene-based adhesive.

The board may be formed directly from a polypropylene resin by a heat molding method, an extrusion molding method, or a hot compression molding method of a polypropylene fiber so as to form a hollow body or a plate-like body of a framework core material of a foam. Combining two or more core units composed of a hollow or foam body, heating and fusing them together, or gluing them together with an adhesive, or fitting and joining together to form a board with the desired outer shape May be. Also, when the core material units are joined together, a polypropylene fiber cloth is preliminarily laminated on the abutting portion on the outer peripheral surface of each unit, and is fused or bonded as necessary. You may put on and join.

When the board is made of a framed core material, the board is made of a hollow or foamed framed core material, and the structure is reduced in weight and hardly bent. In addition, depending on the use form of the panel, in order to make the structure more difficult to bend, the structure of the hollow portion or the foam space or the partition wall constituting the board, the thickness of the board or the combination of the core material unit, etc. It is selected and determined as appropriate.

In particular, as a simple and effective method for making the structure more difficult to bend, a plurality of panels in which a polypropylene fiber cloth is laminated and integrated on a board composed of a framework core material made of a polypropylene resin, or There is a method of folding and abutting the joint portion by fusing the polypropylene fiber cloth on the panel surface as a fusing material or bonding with an adhesive. In this method, for example, a plurality of boards of a predetermined substantially panel size made of a polypropylene resin are arranged at regular intervals, each board surface is heated, a polypropylene fiber cloth is stacked thereon and pressed, and the board is pressed. Similarly, on the opposite side of the above, a polypropylene fiber cloth is overlapped and pressure-bonded, joined by fusion and integrated, and folded so that the board overlaps to the desired thickness, and the abutting part is fused. It can be embodied in a method of attaching or bonding and bonding.

Alternatively, as another simple and effective method,
A plurality of block-shaped units in which polypropylene fiber cloth is laminated on the outer peripheral surface of a block-shaped unit made of a polypropylene core material made of polypropylene resin and integrated by fusion or adhesion are combined into a panel-sized board, and the block-shaped units are mutually connected. There is a method in which the contact portions are fused and bonded via a polypropylene fiber cloth on the block-shaped unit surface. In this method, for example, a plate-shaped or brick-shaped block unit of a predetermined size made of a polypropylene resin is wrapped with a polypropylene fiber cloth and integrated by fusion to obtain a desired panel size or thickness. It can be embodied in a method of fusing and joining the contact portions of the block-shaped units with each other via a polypropylene fiber cloth on the block-shaped unit surface.

In the production of the panel of the present invention, the bonding between the plate-like body made of polypropylene resin and the polypropylene fiber cloth laminated on the outer peripheral surface thereof and the bonding between the core material units are performed by heating and fusing with a heating plate or the like. Can be performed more easily. Especially when joining polypropylene fiber cloth or joining via polypropylene fiber cloth,
In a polypropylene fiber cloth, for example, polyethylene sheath,
It is preferable to mix a fusion fiber having polypropylene as a core in order to facilitate fusion,
There is no risk of impairing the decorative effect of the polypropylene fiber cloth on the panel surface.

When a laminate of a plate-like body made of a polypropylene resin and a polypropylene fiber cloth is heated under pressure such that the hollow portion or the space of the foam disappears or decreases, a tile-like panel can be obtained. . Therefore, according to the panel manufacturing method of the present invention, the inside of the panel can be obtained from a hollow structure or a foamed structure to a solid structure. The shape of the panel may be such that the surface of the panel of any size has a flat or curved surface according to the intended use.

The building material panel of the present invention can be fitted into a polypropylene resin frame or an easily separable aluminum frame or a stainless steel frame to form a partition for partitioning, a desktop partition, or the like.
In addition, it is used as it is as a low partition panel for interior. In the panel of the present invention, since the board is made of a hollow or foamed skeleton core material, not only the weight is reduced, but also the fiber cloth on the panel surface provides a design effect and a reinforcing effect. In particular, the panel of the present invention is a board made of a hollow or foam skeleton core material that is the main body thereof, and a fiber cloth laminated and integrated on the outer peripheral surface of the board is made of polypropylene. It can be reused as a molding material as it is or as it is cut or crushed without separating the used waste panel as a partition.

[0020]

The present invention will be described below in more detail with reference to examples.

(Example 1) A polypropylene resin hollow square pillar having a vertical section of 20 mm, a width of 20 mm and a wall thickness of 2 mm and a length of 1200 m was provided with another polypropylene resin hollow square pillar. A heating plate at 200 ° C. was pressed to be in a molten state, and a large number of hollow quadrangular prisms made of polypropylene resin were sequentially pressed in parallel and joined by fusion to obtain a board having a length of 600 mm, a width of 1200 m and a thickness of 20 mm. A 200 ° C heating plate is pressed against the board surface to make it into a heated and melted state, a polypropylene fiber satin fabric slightly larger than the surface area of the board is placed and pressed, and the periphery of the fabric is folded into the backside of the plate-like body. A panel integrated by wearing was obtained. 2 on the back of this panel
A heating plate of 00 ° C. is pressed to be in a molten state, the two boards are overlapped, and the boards are fused together with a woven fabric at the periphery of the board.
m, a panel having a thickness of about 40 mm. This panel is made of a woven fabric by fitting aluminum frames on both sides, making it easy to produce a lightweight, top-piercing disk top partition. The heating of the back surface of the panel can be performed by blowing hot air of 300 ° C.

(Example 2) Vertically 100 mm, horizontal 200
A 200 ° C heating plate is pressed against all surfaces of a block-like polypropylene resin foam having a stepped structure with a back surface having a width of 15 mm and a width of 15 mm to form a molten state. A block in which the woven fabric was integrated by fusion was obtained. The blocks are combined in the vertical direction, the back surfaces are combined in the thickness direction, and the blocks are bonded with an adhesive.
The panel was 0 mm, 800 mm wide, and about 30 mm thick. By appropriately fitting this panel between aluminum frames, the surface of the panel is made of woven fabric, and a lightweight office room partition can be easily produced.

Example 3 A hot plate at 200 ° C. was pressed against one surface of a 300 mm long, 300 mm wide, and 25 mm thick board obtained by thermocompression molding of polypropylene fiber cotton to make a molten state. The woven fabric was overlaid and pressed to obtain a panel in which the woven fabric was integrated over the entire surface of the board by fusion. Further, this panel was pressed with a curved surface mold to form a tile panel. This tile panel has a surface made of a woven fabric and can be used as a wall material and as a partition panel.

[0024]

The building material panel of the present invention has a simple structure, is lightweight and has excellent handleability, and is useful as a partition partition, interior partition, desktop partition, etc. If the panel of the present invention is used, it is possible to easily assemble a partition or the like, and furthermore, a panel from which a frame or the like is removed from a waste product after use as a partition or the like can be used as it is as a molding material without separation. It can be recycled as a resource. Also,
ADVANTAGE OF THE INVENTION According to this invention, the panel for building materials of arbitrary predetermined dimensions can be easily obtained with the cost reduced by the simple manufacturing method.

Claims (9)

[Claims] 1. A building material panel in which a polypropylene fiber cloth is laminated on the outer peripheral surface of a board made of a hollow or foam skeleton core material made of a polypropylene resin and is integrated by fusion or adhesion. 2. The building material panel according to claim 1, wherein the board comprises two or more core material units, and the units are integrated by fusion or adhesion. 3. The building material panel according to claim 2, wherein two or more core material units are integrated with each other by fusing a polypropylene fiber cloth laminated on the outer peripheral surface of the unit. 4. The building material panel according to claim 1, wherein the building material panel is a partition panel, an interior partition panel, or a desktop partition panel. 5. A panel in which a polypropylene fiber cloth is laminated on the outer peripheral surface of the board according to claim 1, 2 or 3 and integrated by fusion or bonding,
A building material panel in which the contact portions are integrated by being fused or adhered. 6. A building material panel characterized in that a polypropylene fiber cloth is joined by heat fusion or adhesion to an outer peripheral surface of a board formed of a hollow or foam skeleton core material made of a polypropylene resin. Production method. 7. A board in which a polypropylene fiber cloth is laminated on and integrated with the board according to claim 1, 2, 3 or 4, and the abutting portion is joined by heating or bonding. A method for producing a panel for building materials, characterized by the above-mentioned. 8. A block-shaped unit made of a hollow core or foam skeleton made of a polypropylene resin or a block-shaped unit in which a polypropylene fiber cloth is laminated on the outer peripheral surface thereof and integrated by fusion or adhesion into a board shape. A method for manufacturing a panel for building material, wherein the abutting portions of the combined and block-shaped units are joined by heat fusion or adhesion. 9. The method for manufacturing a building material panel according to claim 7, wherein the abutting portion is joined by heating and fusing the polypropylene fiber cloth on the abutting surface as a fusing material.