JP2009000994A - Laminated decorative sheet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a laminated decorative sheet which has heat-shielding property/soundproof property and has high strength and productivity/economicity. <P>SOLUTION: The laminated decorative sheet is constituted by sticking a decorative sheet 3 to a polypropylene foamed sheet 1 having a fiber layer (nonwoven fabric 2) with an adhesive of rubber type, synthetic rubber type, synthetic rubber type latex or the like, wherein foam shape of the polypropylene foamed sheet 1 is made to be a spindle shape elongated in the thickness direction and the decorative sheet 3 is prepared by using a thermosetting resin sheet, a thermoplastic resin sheet, a veneer or a plywood having the veneer arranged on the surface thereof. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a laminated decorative board, and more particularly to a laminated decorative board obtained by adhering a decorative board to an olefin resin foam board having a fiber layer formed on at least one side.

  The present applicant has proposed a laminated decorative board in which a cork having a specific density and a decorative board are bonded together in Japanese Patent Application No. 2004-215589, and has obtained a certain evaluation in the market.

  On the other hand, in the process of introducing the above laminated decorative board to the market, a laminated decorative board having the same level of heat insulation and soundproofing (sound absorption) as well as higher strength and productivity has come to be demanded. .

  As a material that meets these requirements, JP 2000-062068 has proposed a “foamable composite sheet”. When the properties of the foamable composite sheet were examined, all of the above requirements were fulfilled. I found out.

  The present invention intends to provide a laminated decorative board having higher properties than the laminated decorative board previously proposed by the present applicant by adopting the above-mentioned “foamable composite sheet” as a material.

  In order to solve the above problems, the present invention provides a decorative board with an adhesive such as rubber-based, synthetic rubber-based, and synthetic rubber-based latex on an olefin-based resin foamed plate such as polypropylene having a fiber layer formed on both sides. The foamed shape of the resin foam plate is a spindle-shaped one that is elongated in the thickness direction, and the thermosetting resin sheet, thermoplastic resin sheet, veneer, or veneer is used as the decorative plate. It uses plywood arranged in

According to the present invention configured as described above, it has become possible to provide a laminated decorative board that is not only heat-insulating and sound-proofing (sound absorbing), but also capable of reducing productivity and cost and greatly improving strength.

Next, Embodiment 1 of the present invention will be described with reference to FIG. As the polypropylene foam plate 1 having a nonwoven fabric 2 as a fiber layer on the surface, for example, the trade name “Zetron” manufactured by Sekisui Chemical Co., Ltd. is adopted, and the surface of this polypropylene foam plate (2 m × 1 m, thickness 5 mm) is adopted. A rubber-based solvent type adhesive (manufactured by Aika Kogyo Co., Ltd., product number RQ-V1) is applied using a roller coater or a doctor knife so as to be 150 to 200 g / m ^2, and a melamine resin is used as the decorative board 3 Sheets (2 m x 1 m, thickness mm) are overlapped and 10 kg at room temperature. The laminated decorative board 4 of the present invention is obtained by pressing at a pressure of f / cm ² for 5 to 10 minutes. In the above description, the decorative plate is bonded only to the upper surface of the polypropylene foam plate. However, the decorative plate can also be bonded to the upper, lower, left and right side surfaces of the polypropylene foam plate via the fiber layer.

  In the production of the laminated decorative board, glass fiber, woven cloth, paper, and paper (for example, Japanese paper) can be employed in addition to the nonwoven fabric as the fiber layer, and the veneer in addition to the melamine resin board, Alternatively, a plywood having a veneer on the surface can be used, and a synthetic rubber or synthetic rubber latex as well as a rubber solvent type can be used as an adhesive. In addition, since the pressing time and pressure in the bonding process depend on the foaming degree and thickness of the polypropylene foam plate and the type of adhesive, the best conditions are experimentally determined.

  As a result of investigating the formalin release test, the heat insulation / soundproofing (sound absorbing) effect, the productivity, and the economical efficiency of the laminated decorative board produced as described above, all obtained favorable results.

A second embodiment will be described with reference to FIG. A polypropylene foam plate 1 having a nonwoven fabric 2 as a fiber layer on the surface is the same as in Example 1, and a rubber-based solvent type adhesive on the surface of this polypropylene foam plate (2 m × 1 m, thickness 5 mm). (Product number RQ-V1 manufactured by Aika Kogyo Co., Ltd.) was applied using a roller coater or a doctor knife so as to be 150 to 200 g / m ^2, and an olefin resin (thermoplastic) sheet (2 m) as the decorative board 3 × 1 m, thickness 1 mm, manufactured by Dai Nippon Printing Co., Ltd., trade name: WS Saffmare), 10 kg. The laminated decorative board 4 of the present invention is obtained by pressing at a pressure of f / cm ² for 5 to 10 minutes. In the above description, the decorative plate is bonded only to the upper surface of the polypropylene foam plate, but the four edges of the olefin resin sheet are folded, and the decorative plate is attached to the upper, lower, left and right sides of the polypropylene foam plate via the fiber layer. Can be pasted together.

Usage example

  The laminated decorative board of the present invention is naturally suitable as a normal wall material and partition material, and can be easily obtained by embedding a strong permanent magnet 5 in the polypropylene foam board 1 as shown in FIG. Walls and partitions can be redesigned.

  In FIG. 2, the wall 9 is covered with a wallpaper 8 with a magnetic metal plate 7 overlaid on the surface of the base plate 6, and a positioning mark is attached to the surface of the wallpaper 8 so as not to stand out. In addition, the laminated decorative board 4 according to the present invention is stacked. In this way, the permanent magnet 5 embedded in the propylene foam plate 1 is attracted to the magnetic metal plate 7, and the laminated decorative plate 4 is easily attached to the wall 9.

  In FIG. 2, the magnetic metal plate 7 is disposed on the entire surface of the ground plate 6. However, a strip-shaped or strip-shaped material may be embedded in the ground plate 6, and the arrangement and number of permanent magnets 5 to be embedded are as follows. Naturally, the laminated decorative board 4 to be attached is appropriately changed depending on the size and weight. The magnet used is a magnet having a known composition based on a rare earth magnetic metal powder and bonded or fired with a known binder.

  If the laminated decorative board 4 of the present invention is used as described above, it is possible to produce a room with a sense of the seasons by appropriately selecting the color and pattern of the decorative board 3.

  As described above, the laminated decorative board according to the present invention has excellent heat insulating properties and soundproofing properties, is light in weight, and greatly improves productivity and economy, and thus has a very high industrial utility value.

  Sectional drawing of the laminated decorative board which concerns on this invention   Perspective view showing an example of use of the laminated decorative board

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Polypropylene foam board 11: Foam layer 2 Nonwoven fabric 3 Decorative board 4 Laminated decorative board 5 Permanent magnet 6 Ground board (wall)
7 Magnetic metal plate 8 Wallpaper 9 Wall

Claims (7)

  A laminated decorative board obtained by attaching a decorative board to an olefin resin foam board having a fiber layer formed on at least one side through the fiber layer.   The laminated decorative board according to claim 1, wherein the foamed shape of the olefin resin foam board is a spindle shape elongated in the thickness direction.   The laminated decorative board according to claim 1 or 2, wherein the olefin resin foam board is a polypropylene foam board.   The laminated decorative board according to any one of claims 1 to 3, wherein the fiber layer is selected from glass fiber, woven fabric, non-woven fabric, bag, or paper.   The laminated decorative board according to any one of claims 1 to 4, wherein the decorative board is selected from a thermosetting resin sheet, a thermoplastic resin sheet, a veneer, or a plywood having a veneer disposed on a surface thereof.   The laminated decorative board according to any one of claims 1 to 5, wherein the adhesive for bonding the decorative board through the fiber layer is selected from rubber, synthetic rubber, and synthetic rubber latex.   The laminated decorative board according to any one of claims 1 to 6, wherein a magnet is embedded in a main part of the olefin resin foam board.

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