JP2006034854A - Face material for built-in kitchen - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a face material for a built-in kitchen made of all plastic, lightweight with a high quality feeling, recyclable, having excellent screw pull-out strength and durability of a door to repetitive opening/closing when used for the door and allowing the formation of a hinge mounting hole of desirable shape. <P>SOLUTION: The face material for the built-in kitchen is formed by providing an adhesive layer, a masking layer, a pattern layer and an acrylic resin plate body in this order on one face of a plate-like plastic foam with an expansion ratio of 4-15, and providing a polyolefinic resin plate body containing 20-85 wt% inorganic filler, on the other face through an adhesive layer. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a face material for a system kitchen. More specifically, it is used as a face material for doors, hinged doors, and drawers of each cabinet in the system kitchen, and is made of all plastic. It is lightweight, high-class, recyclable, and has good screw pullout strength. When used for a door, the present invention relates to a face material for a system kitchen that has the durability of the door against repeated opening and closing and can form a hinge mounting hole having a good shape.

In recent years, the system kitchen has been in the spotlight because it has features such as rational use of cooking work, effective use of space, good cleaning function, and harmony of colors.
This system kitchen is an organic system that includes various types of cabinets such as wall cabinets, floor cabinets, tall cabinets, etc., and cooking equipment, range hoods, refrigerators, freezers, garbage dryers, dishwashers, etc. It is a kitchen facility that is combined with each other.
In such a system kitchen, as a face material of members such as doors / folding doors and drawers of various cabinets, conventionally, a particle board or a medium fiberboard (MDF) is used as a core material, and further, For example, a face material is used which has been subjected to a cosmetic finish with a melamine resin, an acrylic urethane-based resin coat finish with an ultraviolet curing system, or a joint finish with a plastic film such as a polyethylene terephthalate film. When these face materials are used for the screw pull-out strength and door, the door durability against repeated opening and closing passes the JIS standard, but the lightness and recyclability are not satisfactory. . Also, mainly wood and plastic materials are integrated, which makes recycling extremely difficult, and problems have been pointed out from the environment.
As a laminated structure that is lightweight and has good recyclability, for example, 20 to 85% by weight of an inorganic filler is contained on both surfaces of a polyolefin foam sheet or a polyolefin lightweight material sheet having a space inside through an adhesive layer. A polyolefin-based laminated structure comprising a polyolefin-based resin sheet having a thickness of 1 to 10 mm is disclosed (for example, see Patent Document 1).
This laminated structure is formed by providing a polyolefin resin sheet on both surfaces of a polyolefin lightweight sheet such as a polyolefin foam sheet. An acrylic resin is provided on the surface side of a plate-like plastic foam via a pattern layer. A laminated structure for a system kitchen formed by joining plate-like bodies has not been known so far.
JP 2002-29008 A

  Under such circumstances, the present invention is used as a face material for doors, hinged doors and drawers of each cabinet in the system kitchen, and is made of all plastics. In addition, when used for doors with good screw pullout strength and doors, it is possible to provide a face plate for a system kitchen that has a door durability against repeated opening and closing and can form a hinge mounting hole with a good shape. It was made as a purpose.

As a result of intensive studies to achieve the above object, the present inventors have found that an adhesive layer, a concealing layer, a picture layer, and an acrylic resin plate are formed on the surface side of a plate-like plastic foam having a specific expansion ratio. It was found that the object can be achieved by the face material provided with a specific polyolefin-based resin plate-like body on the back side through an adhesive layer, and the present invention has been completed based on this finding. It came to do.
That is, the present invention
(1) An adhesive layer, a concealing layer, a pattern layer, and an acrylic resin plate are provided in this order on one surface of a plate-like plastic foam having an expansion ratio of 4 to 15 times, and an adhesive layer is provided on the other surface. Through which a polyolefin-based resin plate containing 20 to 85% by weight of an inorganic filler is provided,
(2) The surface material for a system kitchen according to (1), wherein the plate-like plastic foam is a plate-like polystyrene foam or a plate-like polypropylene foam having a thickness of 5 to 40 mm,
(3) The face material for a system kitchen according to (1) or (2) above, wherein the acrylic resin plate has a thickness of 2 to 6 mm,
(4) The system kitchen surface material as described in (1), (2) or (3) above, wherein the acrylic resin plate is a polymethyl methacrylate plate, and (5) 20 to 85 weights of inorganic filler. % Of the polyolefin-based resin plate is a polypropylene-based resin plate, and has a thickness of 2 to 6 mm.
Is to provide.

  According to the present invention, it is used as a face material for doors, hinged doors, drawers and the like of each cabinet in a system kitchen, and is made of all plastic, is lightweight, has a high-class feeling, is recyclable, and has good screws. When used for the pull-out strength and the door, it is possible to provide a face material for a system kitchen that can form a hinge mounting hole having a good shape while having durability of the door against repeated opening and closing.

The face material for a system kitchen of the present invention is provided with an adhesive layer, a concealing layer, a pattern layer, and an acrylic resin plate in order on one surface (surface side) of a plate-like plastic foam, and the other surface ( It is a face material provided with a polyolefin resin plate-like body on the back surface side via an adhesive layer.
In the system kitchen face material of the present invention, the expansion ratio of the plate-like plastic foam used as the core material is selected in the range of 4 to 15 times. If the foaming ratio is 4 or more, the lightness of the obtained face material is exhibited, and if the foaming ratio is 15 times or less, when the hinge mounting hole is provided with a countersink cutter, A hole having a desired good shape can be formed. A preferable expansion ratio of the plate-like foam is in a range of 6 to 12 times.
The plate-like foam is not particularly limited, but plate-like polyolefin foam and polystyrene foam are preferred from the standpoint of core properties, environmental non-contamination during incineration, recyclability and economy. Used. There is no restriction | limiting in particular as a preparation method of these plate-shaped foams, What is necessary is just to select suitably according to each material from extrusion foam molding, injection foam molding, metal mold | die foam molding using a foam particle, etc.

As said plate-like polyolefin-type foam, the thing using a polypropylene resin or a polyethylene-type resin as a resin component is preferable, and the thing using a polypropylene-type resin is especially suitable from the point of recyclability. A recycled product can also be used. A general-purpose polystyrene resin is usually used as the resin component of the plate-like polystyrene-based foam. A recycled product can also be used.
In the present invention, in order to produce a plate-like polyolefin-based foam or polystyrene-based foam, first, each of the above-mentioned polyolefin-based resin or general-purpose polystyrene resin, if desired, various additive components such as inorganic filler, antioxidant, etc. , Heat stabilizers, UV absorbers, light stabilizers, chlorine scavengers, flame retardants, flame retardant aids, lubricants, mold release agents, colorants, plasticizers, softeners such as process oil and liquid paraffin, etc. Each of the above-mentioned thermoplastic resins and thermoplastic elastomers is appropriately blended, mixed with a tumbler blender, Henschel mixer, etc., or mixed and further melt-kneaded and granulated using a single-screw extruder or multi-screw extruder, A resin composition is prepared.
Next, a desired plate-like foam can be obtained by using each of the resin compositions and performing foam molding using a foam molding method according to the type of each resin.
In the face material of the present invention, the thickness of the plate-like plastic foam used as the core material is usually selected in the range of 5 to 40 mm, preferably 8 to 25 mm.
In the present invention, a primer layer can be provided on the surface of the plate-like plastic foam in order to improve the adhesion with the layer provided thereon. As the primer layer, for example, an ethylene-vinyl acetate copolymer resin, an olefin resin or a mixture thereof, a chlorinated polyolefin resin, a polyurethane resin, a maleic acid-modified polypropylene resin, or the like dissolved in a solvent, or these resins are used. It is preferable to provide a primer layer having a thickness of about 1 to 5 μm by applying a coating liquid that has been finely pulverized and emulsified by adding a surfactant or the like, followed by drying. In addition, when using a plastic foam sheet having no skin layer (a material obtained by slicing the surface and removing the skin layer) as a substrate, sufficient adhesion can be obtained without providing the primer layer. This is particularly desirable as a plate-like foam used in the present invention.

The face material of the present invention is a laminated structure having the above-mentioned plate-like plastic foam as a core material, and FIG. 1 shows a sectional view of an example of the face material of the present invention.
As shown in FIG. 1, the face material 10 of the present invention is provided with an adhesive layer 2, a hiding layer 3, a pattern layer 4, and an acrylic resin plate-like body 5 in this order on the surface side of the plate-like plastic foam 1. At the same time, it has a structure in which a polyolefin-based resin plate-like body 6 is provided on the back side of the plate-like plastic foam 1 via an adhesive layer 2 ′.
In the face material 10 of the present invention, the acrylic resin plate-like body 5 is generally made of methyl methacrylate as a main raw material. This acrylic resin plate is excellent in transparency, weather resistance, workability (cutting, drilling, bending, etc.), colorability and the like. In the present invention, the thickness of the acrylic resin plate is usually about 2 to 6 mm, preferably 2 to 4 mm. By providing the acrylic resin plate having the above thickness, it is possible to impart depth and profound feeling to the picture seen through it. The acrylic resin plate may be colored as desired.
In the face material 10 of the present invention, the pattern layer 4 may be provided on one surface of the acrylic resin plate 5 by direct printing, or an appropriate film such as an acrylic film, a polyolefin film, or a polyester. What provided the pattern layer by printing on one side, such as a system film, may be bonded through an adhesive layer so that the pattern layer may contact the acrylic resin plate.
The pattern layer 4 has a grain pattern, a stone pattern, a texture pattern, a surface pattern of natural leather, an abstract pattern, a geometric pattern pattern, etc. on one surface of the acrylic resin plate 5 or on one surface of the plastic film. The layer to be expressed can be formed with a thickness of about 1 to 20 μm by applying general printing such as gravure printing, screen printing, offset printing, letterpress printing, transfer printing, and flexographic printing.

Next, the concealing layer 3 in the face material 10 is a layer for imparting high designability to the pattern layer 4, and is generally a solid layer having a thickness of about 1 to 20 μm such as silver or gray. When the pattern layer 4 is directly provided on one surface of the acrylic resin plate-like body, the concealing layer 3 can be provided thereon by various application means. On the other hand, when the pattern layer 4 is provided on one side of a plastic film, the film includes an inorganic filler such as calcium carbonate, magnesium sulfate, titanium oxide, or the like, or an entire surface such as silver or gray. A film provided with a solid layer is used, and the hiding layer and the picture layer are provided by bonding through an adhesive layer so that the picture layer 4 provided on the surface is in contact with the acrylic resin plate-like body. be able to.
In the face material 10 of the present invention, the acrylic resin plate-like body 5 in which the picture layer 4 and the hiding layer 3 are sequentially provided on one side in this way is used, and the hiding layer 3 is the plate-like plastic described above. Joining via the adhesive layer 2 so as to face the surface side of the foam 1.
As the adhesive constituting the adhesive layer 2, either a heat sensitive adhesive or a pressure sensitive adhesive can be used. Examples of the heat-sensitive adhesive include chlorinated polyolefin resin, polyurethane resin, epoxy resin, acrylic resin, vinyl resin, vinyl acetate resin, polyester resin, ethylene-vinyl acetate copolymer resin, acrylic-vinyl acetate. A known adhesive mainly composed of a copolymer resin, a polyamide-based resin, an ionomer-based resin, or the like can be used. On the other hand, as a pressure-sensitive adhesive, for example, an acrylic-based, silicone-based, rubber-based, or the like is used. Can do. Among these adhesives, a pressure-sensitive adhesive is preferable from the viewpoint of operability, and an acrylic pressure-sensitive adhesive having particularly good weather resistance is preferable. In this case, it is desirable to use a pressure sensitive adhesive having a large holding power. The thickness of this adhesive layer is usually about 1 to 50 μm, preferably 5 to 30 μm.

In the face material 10 of the present invention, the polyolefin resin plate-like body 6 provided on the back side of the plate-like plastic foam 1 via the adhesive layer 2 ′ includes those containing 20 to 85 wt% inorganic filler. Used.
Examples of the polyolefin resin in the polyolefin resin plate include high density, medium density, low density polyethylene, linear low density polyethylene, ultrahigh molecular weight polyethylene, ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer. Polyethylenes such as polymers, propylene homopolymers, polypropylenes such as propylene-ethylene block copolymers and random copolymers, propylene-ethylene-diene compound copolymers, polybutene-1, poly-4-methylpentene-1 And so on. Of these, polypropylenes are preferred.
Among these polypropylenes, crystalline polypropylene resins are often used. Examples of the crystalline polypropylene resins include isotactic propylene homopolymers having crystallinity and ethylene-propylene having a low ethylene unit content. Propylene block copolymer composed of a random copolymer, a homo-part composed of a propylene homopolymer, and a copolymer part composed of an ethylene-propylene random copolymer having a relatively large ethylene unit content, and further the propylene Examples thereof include crystalline propylene-ethylene-α-olefin copolymers in which each homo part or copolymer part in the block copolymer is further copolymerized with an α-olefin such as butene-1.
1 type of this polyolefin resin may be used, may be used in combination of 2 or more type, and a recycled product can also be used.
In this invention, what contains an inorganic filler in the ratio of 20 to 85 weight%, preferably 30 to 75 weight% is used as the polyolefin resin plate-like body 6. If the content of the inorganic filler is less than 20% by weight, cutting workability and rigidity are insufficient, and if it exceeds 85% by weight, the formability and impact resistance of the plate-like body are lowered, and the weight becomes heavy. It is not preferable.
Here, examples of the inorganic filler include calcium carbonate, magnesium carbonate, aluminum hydroxide, magnesium hydroxide, kaolin, silica, pearlite, calcium sulfate, barium sulfate, calcined alumina, calcium silicate, talc, mica, and the like. These may be used alone or in combination of two or more.

Among these inorganic fillers, calcium carbonate, talc, aluminum hydroxide, and magnesium hydroxide are preferable from the viewpoint of machinability and economy, and calcium carbonate is particularly preferable. The calcium carbonate is not particularly limited, and any of precipitated calcium carbonate, heavy calcium carbonate, light calcium carbonate and the like can be used. The average particle size of the calcium carbonate is usually in the range of 0.05 to 200 μm, preferably 0.5 to 20 μm.
If desired, the plate-like body may have various additive components such as antioxidants, heat stabilizers, ultraviolet absorbers, light stabilizers, chlorine scavengers, flame retardants, flame retardant aids, lubricants, mold release agents, and coloring agents. An agent, a plasticizer, a softening agent such as process oil and liquid paraffin, other thermoplastic resins and thermoplastic elastomers can be appropriately contained.
In order to produce this polyolefin-based resin plate, first, the above-mentioned polyolefin-based resin, 20 to 85% by weight of an inorganic filler such as calcium carbonate based on the total amount of the molding material, and various additive components used as desired. Is mixed with a tumbler blender, a Henschel mixer or the like, or after mixing, melt-kneaded and granulated using a single screw extruder or a multi-screw extruder to prepare a polyolefin-based molding material. Next, this polyolefin-based molding material is molded by a known method such as cast molding or extrusion sheet molding to produce a plate-like body.
In the face material 10 of the present invention, the thickness of the polyolefin-based plate-like body 6 is usually about 2 to 6 mm, preferably 2 to 4 mm.
When this polyolefin-based plate is, for example, a polypropylene-based resin plate containing 20 to 85% by weight of an inorganic filler, the screw pullout strength at a thickness of 3 mm is the screw pullout strength of a particle board or MDF at a thickness of 9.5 mm. The size can be comparable to.

As the adhesive constituting the adhesive layer 2 ′ provided for joining the polyolefin resin plate 6 and the plate-like plastic foam 1, a heat-sensitive adhesive is usually used. Examples of the heat-sensitive adhesive include chlorinated polyolefin resin, polyurethane resin, epoxy resin, acrylic resin, vinyl resin, vinyl acetate resin, polyester resin, ethylene-vinyl acetate copolymer resin, acrylic-acetic acid. A known adhesive mainly composed of vinyl copolymer resin, polyamide resin, ionomer resin or the like can be used. The thickness of the adhesive layer 2 ′ is usually about 1 to 50 μm, preferably 5 to 30 μm.
In addition, as a polyolefin-type resin plate-shaped body, what gave the finish coating to the surface opposite to the side joined with a plate-shaped plastic foam can be used.
Although there is no restriction | limiting in particular in the manufacturing method of the face material of this invention, For example, it can manufacture efficiently with the method shown below.
First, after bonding the polyolefin resin plate-like body to the back side of the plate-like plastic foam via a heat-sensitive adhesive layer, the pressure-sensitive adhesive with a release sheet is attached to the surface side of the plate-like plastic foam. A layer is provided to produce a laminate A.
On the other hand, as described above, the pattern layer and the concealing layer are provided in order on one surface of the acrylic resin plate-like body to produce the laminate B.
Next, the release sheet of the laminate A is peeled off, joined to the exposed pressure-sensitive adhesive layer so that the concealing layer of the laminate B is in contact, and integrated to form a laminate structure, and then a predetermined shape. Further, the face material of the present invention is obtained by bonding an edge material such as an acrylic resin plate to the edge portion with an adhesive.
The face material of the present invention is used as a face material for members of various cabinets in a system kitchen, such as doors / folding doors and drawers of wall cabinets, floor cabinets, tall cabinets, etc., and has the following effects.
The face material is made of all plastics and uses a plate-like plastic foam as a base material. Therefore, the face material is lightweight and resource-saving, and can be recycled. In addition, since the acrylic resin plate-like body having a thick and excellent transparency is provided on the surface, it has an appearance that gives a sense of quality by adding depth and profoundness to the picture seen through it.
Furthermore, since the face material is laminated with an inorganic filler-containing polyolefin-based resin plate on the back side of the plate-like plastic foam, it has good screw pull-out strength and durability of the door against repeated opening and closing. It is possible to form a hinge mounting hole having good properties and shape.

EXAMPLES Next, although an Example demonstrates this invention further in detail, this invention is not limited at all by this example.
Example 1
(1) Production of Laminate A On the back side of a plate-like polystyrene foam having a thickness of 12 mm and an expansion ratio of 8 times [manufactured by JSP Co., Ltd., trade name “MIRAIT BOARD”] Manufactured and trade name “Esdyne 3200A / B”] was used to join a polypropylene plate having a thickness of 3 mm and containing 40% by weight of inorganic filler [manufactured by Shinko Kasei Co., Ltd., trade name “Eco Queen Panel”]. The thickness of the heat sensitive adhesive layer was 25 μm.
Next, an acrylic pressure-sensitive adhesive [manufactured by Ebisu Kasei Co., Ltd., trade name “Acrylic Dry”] is placed on the release sheet [trade name “Alwave” manufactured by Chiyoda Gravure Co., Ltd.] so that the dry thickness becomes 50 μm. After being applied to the above, this is adhered to the surface side of the plate-like polystyrene foam obtained by joining the polypropylene plate-like bodies so that the pressure-sensitive adhesive layer faces, and pressure-sensitive adhesive with a release sheet is attached. Laminate A was produced by providing the agent layer.
(2) Production of Laminate B Wood grain pattern on one side of a 3 mm thick polymethyl methacrylate plate [Mitsubishi Rayon Co., Ltd., trade name “Acrylite S”] using multiple types of inks with different colors Was printed to form a picture layer having a thickness of 6 μm, and then a solid print of 10 μm in thickness was applied thereon to provide a concealing layer, thereby preparing a laminate B.
(3) Production of face material After peeling off the release sheet of the laminate A obtained in (1) above to expose the pressure-sensitive adhesive layer, the laminate B obtained in (2) above was The concealing layer was bonded so as to be in contact with the pressure-sensitive adhesive layer to produce a laminated structure having the structure shown in FIG.
Next, this laminated structure (thickness of about 18 mm) was cut to obtain a size of 445 mm in width and 695 mm in length, and then an acrylic resin plate having a thickness of 2 mm [manufactured by Panefuri Industry Co., Ltd. , Trade name “Marblet S”] is bonded using a styrene-vinyl acetate copolymer hot melt adhesive [trade name “Imelt-W-22” manufactured by Daikyo Co., Ltd.] Produced.
(4) Evaluation The total weight of the face material obtained in the above (3) was 3.1 kg, and the wood grain pattern was given a depth and profound feeling and had an appearance giving a high-class feeling.
Furthermore, a screw pullout strength test, a door / sliding door durability test, and a hinge mounting hole drilling test were performed by the following methods.

(A) Screw pull-out test A screw pull-out test was conducted using a tapping screw having a diameter of 3.5 mm and a length of 16 mm as a test screw, and “AGS-500B” manufactured by Shimadzu Corporation as a tensile tester.
FIG. 2 is an explanatory view showing a screw pull-out test method.
First, the test screw 22 is attached to the screw holding plate 21 [(a)] of the pull-out tester [(b)]. Next, a hole having a diameter of 1 mm is formed in the polypropylene plate-like body 6a in the face material with a screw, and the test screw 22 is screwed into the hole [(c)]. Next, this test body was attached to the fixing base 23 of the test machine, and the upper part of the holding plate 21 with the test screw 22 was firmly fixed to the knob 24 of the test machine, and the screw pull-out strength was measured [(d). ]. As a result, the screw pullout strength was 43.3 kg, which was acceptable (extracted strength of 41 kg or more was acceptable).
FIG. 3 is an enlarged cross-sectional view of the screwed portion of the test screw. 2 and 3, reference numeral 1a is a plate-like polystyrene foam, and 5a is a polymethylmethacrylate plate.
(B) Durability test of doors and hinged doors Durability tests were carried out according to JIS A 4420: 1998 hinged door durability test (Test Clause 8.12).
<Conditions>
(A) Door used for test: Door made of face material obtained in this example (W445 × H695) Weight of 3.1 kg 1 sheet (b) Opening / closing frequency: 40,000 times (c) Opening / closing angle: 0 ° to 45 ° Range reciprocation (d) Open / close operation: Approximately 10 reciprocations per minute (e) Load on the door: 1.5 kg on the center of the door, 1.5 kg on the back, 1.5 kg in total
The above (b) to (e) are test clauses of the JIS standard.
<Accessory> Hinge: (1) Main body Metal hinge 110 ° opening (one-touch type) 2
(2) Washers Metal washers (front and rear two-point screw fixed type) 2
Strength weight: 100 x 50 x 30 mm Weight 1.5 kg / piece 2 pieces
One door open / close tester As a result of the durability test, there was no trouble in use.
(C) Hinges mounting hole drilling test In the face material, from the polypropylene plate side, a hole with a diameter of 35 mm and a depth of 13 mm was mounted with a counterbore cutter so that the side wall surface was 5 mm from the side of the door. The shape was observed using a drill. FIG. 4 shows the cross-sectional shape of the hole.
For comparison, instead of using a plate-like polystyrene foam having an expansion ratio of 8 times, a face material was prepared in the same manner as described above except that a plate-like polystyrene foam having an expansion ratio of 17 times was used. A hinge mounting drilling test was performed and the shape of the hole was observed. FIG. 5 shows the cross-sectional shape of the hole. 4 and 5 are the same as those described above.
As shown in FIG. 4, the face material of the present invention using a plate-like polystyrene foam having an expansion ratio of 8 as the core material had a good hole shape, and the hole side wall was not disturbed much. On the other hand, the face material of the comparative example using a plate-like polystyrene foam having a foaming ratio of 17 times as the core material is broken by melting or rotation with the rotational heat of the counterbore cutter, as shown in FIG. The hole side wall was greatly disturbed, and the desired hole shape could not be maintained.

Comparative Example 1
A 1.0 mm thick melamine decorative sheet is bonded to both sides of the particle board with an adhesive to produce a laminated structure having an overall thickness of 18 mm, and then cut to form a face material having a width of 445 mm and a length of 695 mm. Produced. This face material has substantially the same volume as the face material of Example 1. The weight was 5 kg, which was 1.61 times that of the face material of Example 1.
Comparative Example 2
A 1.0 mm thick melamine decorative sheet is bonded to the back side of the particle board with an adhesive, and an ultraviolet curable acrylic urethane-based resin layer having a thickness of 80 μm is provided on the front side to form a laminated structure having an overall thickness of 18 mm. After producing, it cut | judged and produced the face material of width 445mm and length 695mm. This face material has substantially the same volume as the face material of Example 1. The weight was 4.8 kg, which was 1.55 times the weight of the face material of Example 1.

  The face material for the system kitchen of the present invention is made of all plastic, is lightweight, has a high-class feeling, is recyclable, has good screw pull-out strength, and durability of the door against repeated opening and closing when used for a door. It is possible to form a hinge mounting hole having a good shape, and it is used as a face material for doors, hinged doors and drawers of each cabinet in the system kitchen.

It is sectional drawing of one example of the surface material for system kitchens of this invention. In an Example, it is explanatory drawing which shows the screw pull-out test method of a face material. FIG. 3 is an enlarged cross-sectional view of a threaded portion of a test screw in the face material screw pull-out test method in FIG. 2. It is a cross-sectional shape figure of the hole in the hinge attachment drilling test about the face material of an Example. It is a cross-sectional shape figure of the hole in the hole mounting test for hinge attachment about the face material of a comparative example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Plate-shaped plastic foam 1a Plate-shaped polystyrene foam 2, 2 'Adhesive layer 3 Concealment layer 4 Picture layer 5 Acrylic resin plate 5a Polymethylmethacrylate plate 6 Polyolefin resin plate 6a Polypropylene plate Body 10 Face material 21 Screw holding plate 22 Test screw 23 Fixing base of testing machine 24 Knob of testing machine

Claims (5)

  An adhesive layer, a concealing layer, a pattern layer, and an acrylic resin plate are sequentially provided on one surface of a plate-like plastic foam having an expansion ratio of 4 to 15 times, and an adhesive layer is provided on the other surface, A surface material for a system kitchen, comprising a polyolefin resin plate containing 20 to 85% by weight of an inorganic filler.   The face material for a system kitchen according to claim 1, wherein the plate-like plastic foam is a plate-like polystyrene foam or a plate-like polypropylene foam having a thickness of 5 to 40 mm.   The system kitchen surface material according to claim 1 or 2, wherein the acrylic resin plate has a thickness of 2 to 6 mm.   The face material for a system kitchen according to claim 1, 2 or 3, wherein the acrylic resin plate is a polymethyl methacrylate plate.   The system kitchen surface material according to any one of claims 1 to 4, wherein the polyolefin resin plate containing 20 to 85% by weight of the inorganic filler is a polypropylene resin plate and has a thickness of 2 to 6 mm. .

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