JP2019043113A - General-purpose board material and its production method - Google Patents

Abstract

To provide a general purpose board material that has light weight, excellent strength, strong bonding between a body such as a core material or the like and a member constituting a surface sheet and an end surface, and is also excellent from the viewpoint of environment and production.SOLUTION: A general-purpose board material 1 includes: a plate body 2 having many hollow parts 3 inside; an adhesive layer 4 formed flush with an outer periphery part 9 by press fitting an adhesive 4a in the hollow part 3 in the outer periphery part 9 of the sheet body 2; and a tape body 5 integrally adhered to the outer periphery part 9 of the sheet body 2 via the adhesive layer 4, in which with a nozzle N discharging a molten adhesive 4a contacted to the outer periphery surface 9a of the sheet body 2, while moving the sheet body 2 from its one end side to the nozzle N direction, the adhesive 4a is press fitted on the outside surface 9a of the sheet body 2 to form the adhesive layer 4.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a general-purpose board material that can be used for various furniture materials such as desk tops and partition panels, building construction materials such as heat insulation panels and sound insulation panels, and various other applications, and a method of manufacturing the same.

  A board used as a top plate or partition panel of a desk is, for example, a decorative board provided with a plate-like core material and a decorative paper attached to both front and back sides or the surface, and the core material is hot A chipboard containing a melt adhesive and heat-compressed, wherein the decorative paper is a paper material colored with an electron beam curable ink and subjected to a chemical treatment, and the decorative paper is a hot melt system It is known to be stuck to a core material via an adhesive and to which an edge member made of resin is stuck by a hot melt adhesive on the side surface.

  In addition, a core material such as plywood, two synthetic resin foams of the same material and the same thickness laminated on each of the front side surface and the back side surface of the core material via an adhesive, and a synthetic resin foam Two sheets of surface material made of plywood or fiber board laminated with adhesive on both front and back sides, and two sheets of decorative paper consisting of printing paper etc. laminated on the outer surface of these surface materials with adhesive Composite boards composed of are also known.

  Furthermore, in a board having a honeycomb structure in which a large number of hollow portions are arranged in a row as a core material, in general, front plates are attached to both sides of the honeycomb structure and integrally or separately on the periphery of the honeycomb structure. It is known to attach the frame of.

JP 2001-261406 A JP, 2007-160722, A JP, 2014-54729, A

  Among the above-mentioned conventional board materials, a hot melt adhesive and a heat compressed chip board as a core material, on the surface of which a decorative paper colored with an electron beam curable ink is applied by a hot melt adhesive In the case of pasted decorative boards, although no conventional adhesive containing organic solvents is used, environmental safety is ensured, but because they are heavy, they are difficult to handle and their strength is not sufficient. Therefore, there is also a problem that it can not be used for a portion to which a load is applied, and that it takes a lot of time and effort to manufacture. Furthermore, since the edge member has a structure only coupled to the core material and the decorative paper through the adhesive, there is a risk that the edge member may peel off during use under use conditions where an external force is applied.

  On the other hand, synthetic resin foam is laminated on both sides of a core material such as plywood, and a surface material made of plywood or fiber board is adhered to the outer surface of both synthetic resin foams, and decorative paper is further laminated on the outer surface of both surface materials. In the case of the composite board, although the weight reduction is achieved to some extent by the synthetic resin foam, significant weight reduction is difficult by the use of plywood and decorative paper, and it is formed into a multilayer structure as described above. There is a problem in that many manufacturing processes and manufacturing costs are required.

  Besides, although the board material having the honeycomb structure as a core material is lightweight and easy to handle, the face plate and the frame are simply attached to the honeycomb structure via an adhesive. In this case, since the integrity of the honeycomb structure and the other members is not strong in this case, the component may be decomposed against an external force, so that the board material is not relatively subjected to an external force. There is a drawback in that it is restricted in application, for example, it needs to be used in places.

  It is an object of the present invention to be lightweight and excellent in strength, and to provide a strong bond between a main body such as a core material and a member constituting a surface plate and an end face, and also to be excellent in terms of environment and manufacturing General purpose board material and its manufacturing method.

The present invention according to claim 1 is a plate-like main body having a large number of hollow portions inside, and an adhesive layer which is pressed into the hollow portions in the outer peripheral portion of the plate-like main body and formed flush with the outer peripheral portion. And it is a general purpose board material which has a tape body stuck on the perimeter part of the above-mentioned plate-like main part via an adhesive bond layer.
In addition, as said adhesive agent, a hot-melt-type adhesive agent, a two-component epoxy-type adhesive agent, etc. are mentioned.

  In addition, the plate-like main body having the hollow portion described above may have a space portion to which the adhesive can be press-fitted to the outer peripheral portion thereof. For example, the truncated cone-like convex portions on one surface as described later It has a structure in which the respective truncated cones of the two sheets formed are butted and heat-welded, or a honeycomb structure, and further, a plastic cardboard or the like.

  According to a second aspect of the present invention, in the general-purpose board material according to the first aspect, the decorative plate (surface plate) is integrally spread on both surfaces of the plate-like main body.

  According to the third aspect of the present invention, as described above, in the general-purpose board material according to the first aspect or the second aspect, the plate-like main body has two hollow cones protruding in a zigzag manner on one surface. The truncated cones of a sheet are butted and fused.

  The general-purpose board material according to claim 4 is characterized in that, as described above, the plate-like main body of the general-purpose board material according to claim 1 or claim 2 is a plastic corrugated board.

  The present invention according to claim 5 is the method for producing a general-purpose board material according to any one of the above-mentioned claims 1 to 4, wherein the nozzle from which the adhesive is discharged comprises the outer periphery of the plate-like main body. The adhesive is discharged from the nozzle in a state where one end side of the outer surface to be pressed is abutted, and the plate-like main body is moved in the nozzle direction of the one end side thereof, and the adhesive To form an adhesive layer flush with the outer surface, and pressing the tape body against the outer surface on which the adhesive layer is formed on the moving direction side of the plate-like main body. It adheres to the outer surface of a plate-like main body.

  The general-purpose board material according to the present invention, as described in claim 1, is press-fit into the plate-like main body having a large number of hollow portions inside and the hollow portions in the outer peripheral portion of the plate-like main body to be flush with the outer peripheral portion. And a tape body integrally bonded to the outer peripheral portion of the plate-like main body via the adhesive layer.

  That is, in the general-purpose board material of the present invention, first, the adhesive layer is formed only on the outer peripheral portion necessary for adhesion of the tape body, so a large number of hollow portions exist as they are in the whole plate-like main body. To ensure adequate heat insulation and lightness. Moreover, since the tape body constituting the outer peripheral surface of the board material is firmly adhered to the plate-like main body by the wide adhesive surface through the adhesive layer formed flush with the outer peripheral portion of the plate-like main body, The form retentivity and strength of the entire board material will be sufficiently maintained, and therefore, it can be used in a place where an external force is easily applied.

  As described above, since the general-purpose board material according to the present invention has high thermal insulation and light weight and at the same time is excellent in strength, the packaging material is excellent in such various physical properties. Of course, it can be widely used as building materials, or furniture such as tables, furniture, cabin nets, etc., and further as constituent members of various transport devices.

  Further, according to the manufacturing method of the fifth aspect, the nozzle is brought into contact with one end side of the outer surface of the plate-like main body, and the plate-like main body is directed toward the nozzle while discharging the adhesive from the nozzle. The movement has the advantage that the adhesive layer can be pressed into the outer surface of the plate-like body simply and reliably in a flush manner. Then, as described above, the tape body can be easily brought into close contact with the outer surface of the plate-like main body by pressing the tape body against the adhesive layer formed in the same plane in the moving direction of the plate-like main body. .

  Therefore, according to the manufacturing method according to the present invention, it is possible to simply and reliably manufacture a general-purpose board material having the various excellent physical characteristics described above, and further, it is possible to obtain an advantage in manufacturing cost.

It is a perspective view which notches and shows a part of original board used as a base of the general purpose board material concerning an embodiment of the present invention. It is sectional drawing of the original board similar to FIG. 1 similarly. It is a perspective view which notches and shows a part of general purpose board material which concerns on embodiment. It is sectional drawing which shows the manufacturing method of the general purpose board material in embodiment of this invention, Comprising: (a) is an original board, (b) shows the state which press-fitted adhesive in the outer surface which comprises the outer periphery of an original board, (C) shows a state in which the tape body is spread on the adhesive layer. It is a front view which shows the manufacturing process of the general purpose board material which concerns on embodiment of this invention. It is a disassembled perspective view which shows the other specification of an original board.

  Next, embodiments of the present invention will be described with reference to the drawings, but the present invention is not limited to such embodiments.

  As shown in FIGS. 1 to 3, the general-purpose board material 1 according to the present embodiment includes the plate-like main body 2 having a large number of hollow portions 3 therein and the hollow portions 3 in the outer peripheral portion 9 of the plate-like main body 2. The adhesive 4a is press-fitted to the adhesive layer 4 which is formed flush with the outer peripheral portion 9 and a tape integrally stuck to the outer peripheral portion 9 of the plate-like main body 2 via the adhesive layer 4 It has a body 5.

  In the present embodiment, in the plate-like main body 2, the truncated cones 6 of the two sheets 2A and 2B formed by projecting the hollow truncated cones 6 on one side in a zigzag shape are abutted and heat-sealed The original board is cut into a predetermined size, and the heat-sealed portion is formed as the support body 7, and the space portion 8 where the adjacent support bodies 7 communicate with each other is formed. Further, the face plate 2a of the plate-like main body 2 may be integral with the sheets 2A and 2B or may be separate from the sheet 2A.

  In the present embodiment, the cutting of the original board is performed at the portion of the support body 7, and therefore, the adhesive 4a is pressed in also at the opening portion formed by cutting off a portion of the support body 7. ing.

  Further, in the present embodiment, the tape body 5 has the same thickness as that of the plate-like main body 2, and the tape body 5 is spread over the entire outer peripheral surface 9 of the plate-like main body 2. . In the case where the tape body has a width wider than the thickness of the plate-like main body 2, as described later, after the tape is spread, the tape body is cut to a part according to the thickness of the plate-like main body Become.

  Next, as shown in FIGS. 4 and 5, the method of manufacturing the general-purpose board material 1 according to the present embodiment will be described. First, the plate-like main body 2 cut into a predetermined size shown in FIG. The plate-like main body 2 is fed in the direction of the other end (the direction of the arrow) in a state where it is in contact with the nozzle N which the molten hot melt adhesive 4a discharges on one end side of the outer surface 9a constituting the outer peripheral portion 9 The adhesive 4a is pressed into the hollow portion 3 in the outer side surface 9a of the plate-like main body 2 to form the adhesive layer 4 flush with the outer side surface 9a, and the moving direction side of the plate-like main body 2 The tape body 5 is brought into pressure contact with the outer side surface 9a on which the adhesive layer 4 is formed by the rollers 10A and 10B to adhere the tape body 5 to the outer side surface 9a of the plate-like main body 2 The general purpose board material 1 which concerns on embodiment is manufactured.

  As shown in FIG. 1 and FIG. 6, the plate-like main body 2 in the embodiment is a person having an integral structure as a whole, but the present invention is not limited to such a structure. It may be of a composite structure in which the decorative plate 21 is fixed to both sides.

  Since the general-purpose board material of the present invention can be manufactured easily and inexpensively in addition to being lightweight and strong, various kinds of furniture materials such as desk tops and partition panels, building construction materials such as heat insulation panels and soundproof panels, etc. It can be widely used for various applications.

1 General-purpose board material 2 Plate-like main body 3 Hollow part 4 Adhesive layer 4a Adhesive N nozzle

Claims (5)

  A plate-shaped main body having a large number of hollow portions inside, an adhesive layer press-fitted into the hollow portion in the outer peripheral portion of the plate-shaped main body and formed flush with the outer peripheral portion, and the adhesive layer A general-purpose board material having a tape body integrally stuck to the outer peripheral portion of a plate-like main body.   The versatile board material according to claim 1, wherein the decorative plate is integrally spread on both sides of the plate-like main body.   3. The flat-plate-like body according to claim 1 or 2, wherein the frustums of two sheets formed by arranging hollow frustums in a staggered manner on one surface are butted together and fused. General purpose board material.   The general-purpose board material according to claim 1 or 2, wherein the plate-like body is a plastic corrugated board.   It is a manufacturing method of the general purpose board material according to any one of claims 1 to 4, wherein one end side of the outer side surface constituting the outer periphery of the plate-like main body is brought into contact with the nozzle which the adhesive discharges. In this state, while the adhesive is discharged from the nozzle, the plate-like main body is moved in the direction of the nozzle on one end side thereof to press-fit the adhesive into the hollow portion in the outer surface of the plate-like main body. Forming an adhesive layer, and pressing the tape body against the outer surface on which the adhesive layer is formed on the moving direction side of the plate-like body to adhere the tape body to the outer surface of the plate-like body. A method of manufacturing a general-purpose board material characterized by

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