JP2006104874A - Synthetic resin tile and method of manufacturing the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a tile covered by a replaceable film, preventing the film from being peeled off in use even if the adhesive force of the film is set weak, and having no problem in aesthetic appearance. <P>SOLUTION: This synthetic resin tile comprises a tile base material 2 formed of an approximately rectangular flat plate, an adhesive layer formed on the upper surface of the tile base material 2, and a surface film or a surface sheet 3 peelably adhered to the front surface of the tile base material 2 through the adhesive layer 4. All end faces of the tile base material 2 form tilted surfaces 22 having upper surfaces tilted to the center of the tile base material on the end face upper parts thereof. All end faces 31 of the surface film 3 form tilted surfaces having upper surfaces tilted to the center of the tile base material, and the tilted surfaces 22 of the tile base material 2 and the tilted surfaces of the surface film are flush with each other. Desirably, at least the area of the tile ranging from the end face 31 of the surface film to the tilted surface 22 of the tile base material 2 is covered by a continuous protective film 5. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a synthetic resin tile that is laid and installed without being fixed to a floor base surface by adhesion or the like. More specifically, when the surface of the synthetic resin tile becomes dirty or damaged, the synthetic resin tile itself can be replaced with a new one without maintenance of wax or the like, and most of the components of the replaced tile It is related with the synthetic resin tile which can be reused.

  Tile floors, which are finished by laying a large number of synthetic resin tiles on the floor surface formed by placing concrete, etc., are easy to clean and feel clean in various buildings such as stores, restaurants, offices, and public facilities. Many have been adopted. Traditionally, this tile flooring was fixed to the floor surface with an adhesive, but recently, a tile flooring that can be placed on the floor surface without using any adhesive has been developed. It is being done. Such tile flooring can be easily replaced as a whole when dirt, damage, etc. occur, or only the part where these problems occur, and a protective film is formed with a wax agent at the site where tile flooring is laid. This is preferable because no maintenance is required.

  Examples of the tile flooring material include a tile body and a protective film that covers at least the upper surface of the tile body, and the protective film is peelable from the tile body. (For example, refer to Patent Document 1). In this plastic tile, since the tile body and the protective film can be peeled off, the protective film is peeled off from the tile body when worn, and a new protective film is put on the tile body instead, and the tile body is reused. New plastic tiles.

Further, the tile body includes a protective film fixed to the tile body in a peelable manner, and the protective film is continuous with at least a part near the side surface among the upper surface, the side surface, and the lower surface of the tile body. There is also known a tile formed by covering (see, for example, Patent Document 2). In this tile, at the time of laying, the protective films covering the side surfaces of the tiles adjacent to each other are abutted against each other, so that peeling of the protective film can be prevented. Further, even if water enters from the joints of the tiles laid by wiping or the like, the tile main body does not absorb water because the side surfaces of the tiles are covered with the protective film.
JP 2004-44272 A International Publication No. WO2004 / 007867 Pamphlet

In the plastic tile disclosed in Patent Document 1 or Patent Document 2, since the protective film is fixed in a peelable state from the tile base material, the protective film is provided only on the upper surface of the tile base material. When a person walks on the floor on which this plastic tile is constructed or drags luggage, shelves, etc., the protective film causes partial peeling due to contact with the edge of the protective film. Or because the plastic tile itself is laid, it is easy to slip. When this partial peeling occurs, dust or dust enters the peeled part and adheres to the adhesive that fixes the tile base material and the protective film, resulting in a state where the appearance of the floor surface is significantly impaired. . Moreover, if this partial peeling occurs, the peeling part gradually expands, and there is a possibility that the entire protective film may be finally peeled off. Further, since the floor surface on which the plastic tile is constructed is routinely cleaned with a mop or a broom that is wiped with water, the partial peeling thus generated tends to increase gradually.

In order to prevent such partial peeling, Patent Document 1 or Patent Document 2 discloses a method of covering an end surface or a lower surface of a tile base material with a protective film. However, if the end or bottom surface is covered with a protective film, the protective film will be interposed between the adjacent plastic tiles applied, and the joints between the plastic tiles will be conspicuous, impairing the construction appearance. Met.
Further, when the protective film is covered to a part of the lower surface, a step is generated on the back surface of the plastic tile by the thickness of the protective film. This level difference is initially the level difference on the back side, but it appears on the surface of the plastic tile when it is stored and transported with multiple plastic tiles stacked or installed. There was a possibility that a problem in appearance occurred. This level difference becomes more prominent when the tile base material has flexibility in consideration of walking property, workability, and the like.
In Patent Document 1, it is also disclosed that the entire tile base material is covered with a protective film. However, a joint portion of the film is generated anywhere on the plastic tile, and this joint portion impairs the appearance of the joint. Or cause a step.

  The present invention has been made in view of the above-mentioned problems, and the purpose of the present invention is to use a synthetic resin tile covered with a replaceable surface film in a state where the adhesive force of the surface film can be peeled off. It is an object of the present invention to provide a tile in which the surface film does not peel off and has no appearance problem.

The synthetic resin tile of the present invention that has solved the above problems is
A substantially rectangular flat tile substrate;
An adhesive layer formed on the top surface of the tile substrate;
It consists of a surface film that is releasably adhered to the upper surface side of the tile substrate through the adhesive layer,
All the end surfaces of the tile base material are inclined surfaces in which the upper surface side is inclined toward the center side of the tile base material at the upper end surface;
All end surfaces of the surface film are inclined surfaces whose upper surface side is inclined toward the center side of the tile base material, and the inclined surface of the tile base material and the inclined surface of the surface film are flush with each other. To do.

A preferred synthetic resin tile of the present invention is:
The synthetic resin tile is characterized in that at least the end surface of the surface film and the inclined surface of the tile base material are covered with a continuous protective coating.

The present invention also provides
An adhesive layer is provided on the upper surface of a rectangular flat tile base material, and a film material having a dimension equal to or larger than the upper surface dimension of the tile base material is detachably bonded to the upper surface side of the tile base material through the adhesive layer. After that, the film material is cut according to the upper surface dimension of the tile base material, and the upper end surface of all the end surfaces of the tile base material and all the end surfaces of the surface film, the upper surface side is the center side of the tile base material. The present invention relates to a method for producing a synthetic resin tile, wherein an inclined surface is formed to form a surface film.

A preferred method for producing a synthetic resin tile of the present invention is as follows.
The method of manufacturing the synthetic resin tile, wherein the film material is cut at the same time as the tile base material and the inclined surface is formed, and the film material is a strip-like continuous film material. It cuts, after adhere | attaching the said tile base material, It is the manufacturing method of the said synthetic resin tile characterized by the above-mentioned.

Furthermore, the present invention provides
After the synthetic resin tile is collected after use and the surface film is peeled off, all the end faces are bonded so that the surface film whose upper surface side is an inclined surface inclined toward the center side of the tile base material can be peeled off. , Recycled synthetic resin tiles.

A preferred recycled synthetic resin tile of the present invention is:
The recycled synthetic resin tile is characterized in that at least the end surface of the surface film and the inclined surface of the tile base material are covered with a continuous protective coating.

In the synthetic resin tile of the present invention, although the upper surface of the tile substrate and the surface film are covered and fixed in a peelable state, the upper end surface of all the end surfaces of the tile substrate and all the end surfaces of the surface film are Even if the end surface of the surface film comes into contact with these when cleaning people such as walking people, moving luggage and shelves, moving carts, cleaning mops, etc. It is possible to relieve the end of the film from rolling up, and it is possible to prevent displacement of the placed synthetic resin tile body and partial peeling of the surface film.
Also, because the joints between the applied synthetic resin tiles are abutted between the end surfaces of the tile base material, the displacement of the synthetic resin tile main body is also superior compared to the one in which the film is interposed in the joint part It becomes.

  Furthermore, at least from the end face of the surface film to the inclined surface of the tile base material is covered with a continuous protective coating, dust on the adhesive layer interposed between the surface film and the tile base material. It is preferable because it can prevent adhesion of dust and water, intrusion of water, etc. and maintain a preferable appearance, and can further prevent peeling of the surface film in the use state of the applied synthetic resin tile.

In addition, a plurality of tile base materials are continuously conveyed at regular intervals and bonded to a substantially rectangular film material or strip-like continuous film material cut to a size larger than the tile base material. In this case, after separating each tile base material, the manufacturing method of cutting the film material by passing the tile base material between a pair of left and right cutting tools while pressing the upper surface of the film material is a high-quality synthetic material. Suitable for mass production of resin tiles.
In addition, since the inclined surface of the tile base material and the inclined end surface of the surface film are flush with each other, the tile base material can be chamfered simultaneously with the cutting of the film material, and more manufacturing process Can be simplified.

  Hereinafter, the present invention will be described in more detail with reference to the drawings.

  A synthetic resin tile 1 of the present invention illustrated in FIG. 1 is formed by adhering a surface film 3 to an upper surface of a tile substrate 2 with an adhesive layer 4. That is, the synthetic resin tile 1 has a surface film 3, an adhesive layer 4, and a tile base material 2 laminated in order from the upper surface side. Further, at the end portion of the synthetic resin tile 1, the end surface 41 of the adhesive layer 4 is covered with the protective coating 5 from the inclined surface 22 of the tile base material 2 to the end surface 31 of the surface film 3.

The shape of the synthetic resin tile 1 is a rectangle such as a rectangle or a square, and the dimensions thereof are the same as those of a tile floor material generally used, and usually one side is about 200 to 1000 mm. Since the synthetic resin tile 1 is laid and used on the floor base surface, it may have a shape other than a rectangle depending on the shape of the floor base surface.

  The tile base material 2 is a substantially rectangular flat plate member having a shape and size corresponding to the synthetic resin tile 1, and the thickness is preferably about 2 to 10 mm. If it is less than 2 mm, the unevenness of the floor ground surface is not sufficiently absorbed when it is laid, and appears on the surface of the synthetic resin tile 1, which is not preferable in appearance. In addition, there is a risk of bending or misalignment during use due to reasons such as a reduction in the contact surface between adjacent tiles and a reduction in the weight of its own weight. On the other hand, if it exceeds 10 mm, not only the cost is increased, but the weight of the synthetic resin tile 1 is increased, which is not preferable in terms of transportability, workability, and workability.

  Here, the end surface of the tile base material 2 of the present invention is substantially perpendicular to the lower surface of the tile base material 2, the vertical surface 21 formed at the lower end of the end surface of the tile base material 2, and the end surface of the tile base material 2. It consists of the inclined surface 22 formed in the upper part. That is, at the upper end surface of the tile base material 2, the end face of the tile base material 2 is an inclined surface 22, and the vertical surface 21 is inclined so that the upper surface side of the tile base material 2 is closer to the center side of the tile base material 2. ing. The inclination angle α of the inclined surface 22 is in the range of 30 to 80 ° inward with respect to the vertical surface 21. Moreover, the range which forms the inclined surface 22 is 2-50% of the thickness of the tile base material 2 in the thickness direction of the tile base material 2, specifically 0.1-5 mm, and the plane direction of the tile base material 2 Then, it is 0.1 to 5 mm.

  The material and structure of the tile base material 2 are not particularly limited as long as they do not cause warpage due to changes over time and have no problem as a flooring material. For example, a synthetic resin such as polyvinyl chloride, polyolefin, polyurethane, and polycarbonate can be used as a material, and further, a fibrous raw cloth can be included. Also, the structure may be a single layer structure or a laminated structure used in a known tile flooring.

  When the tile base material 2 is greatly deformed due to unevenness of the floor base surface, the surface film 3 adhered to the tile base material 2 is difficult to follow the deformation, and thus the surface film 3 may be peeled off from the tile base material 2. There is. Therefore, the tile base material 2 needs to have a certain degree of rigidity. The tile base material 2 preferable from this viewpoint is a laminate including at least one layer of non-stretchable glass fiber nonwoven fabric. This glass fiber nonwoven fabric makes the tile base material 2 rigid and plays a role of not transmitting the unevenness of the floor base surface to the tile base material 2. Further, when two or more glass fiber nonwoven fabrics are laminated, a rigid layer is present at intervals in the thickness direction of the tile base material 2, so that the rigidity of the tile base material 2 is further improved. . The rigidity increases as the distance between the glass fiber nonwoven fabrics is increased, and as the distance between the glass fiber nonwoven fabrics is decreased, the rigidity decreases and the drapeability (property to adapt to the shape of the ground) increases. . However, in view of making it difficult to cut the tile base material 2, the tile base material 2 has to be deformed to some extent in order to absorb unevenness, and the increase in cost, the number and interval of the laminated glass fiber nonwoven fabrics Is appropriately selected.

  When the tile base material 2 includes a glass fiber nonwoven fabric, warping of the tile base material 2 can be prevented by adjusting the thickness of the synthetic resin layer laminated with the glass fiber nonwoven fabric as a boundary. For example, in the case of laminating a single layer of glass fiber nonwoven fabric, it is preferable to laminate on the upper surface side from the center of the tile substrate 2 in the thickness direction, and in the case of laminating two layers of glass fiber nonwoven fabric, the glass fiber on the upper surface side. The synthetic resin layer laminated on the lower surface side from the glass fiber nonwoven fabric on the lower surface side is preferably made thicker than the synthetic resin layer laminated on the upper surface side from the nonwoven fabric. Laminating a thick synthetic resin layer on the lower surface side of the glass fiber nonwoven fabric laminated on the lower surface side is also preferable from the viewpoint of absorbing unevenness of the floor base surface by the tile base material 2.

A specific embodiment of a preferred tile substrate 2 is illustrated in FIG. The tile base material 2 in the embodiment illustrated in FIG. 2A includes a 0.2 mm thick colored vinyl chloride resin sheet 211, a 0.3 mm thick vinyl chloride paste-impregnated glass fiber nonwoven fabric 212, and a 2.7 mm thick vinyl chloride recycled. A sheet 213, a 0.3 mm thick vinyl chloride paste-impregnated glass fiber nonwoven fabric 214, and a 0.9 mm thick vinyl chloride recycled sheet 215 are laminated in this order from the top. The tile substrate 2 of this embodiment includes two layers of glass fiber nonwoven fabric and exhibits high rigidity. A colored vinyl chloride resin sheet 211 having a thickness of 0.2 mm is laminated on the upper side of the upper glass fiber nonwoven fabric 212, and a vinyl chloride recycling sheet 215 having a thickness of 0.9 mm is laminated on the lower side of the lower glass fiber nonwoven fabric 214. In addition, the recycled vinyl chloride sheet 215 is thicker than the colored vinyl chloride resin sheet 211, and the tile base material 2 is configured to prevent warping.

  Further, in the tile base material 2 shown in FIG. 2B, in addition to the embodiment shown in FIG. 2A, a PET film 216 having a thickness of 50 μm is further laminated on the colored vinyl chloride resin sheet 211. . The PET film 216 functions as a reinforcing layer when a local load is applied or as a layer for preventing a plasticizer from being transferred to a peelable adhesive. In particular, it is effective in preventing a decrease in the cohesive strength of the adhesive due to the migration of the plasticizer contained in the vinyl chloride resin sheet.

  The tile base material 2 of the aspect illustrated in FIG. 2 has a structure in which warpage in the vertical direction accompanying the expansion and contraction of the synthetic resin layer, in particular, upward warpage (warpage to the upper surface side) that is a fatal defect in practical use does not occur. And the expansion and contraction of the synthetic resin layer itself is suppressed, and the compatibility with the laying construction method using no adhesive is improved. Further, it has high rigidity and does not transmit the unevenness of the floor base surface to the surface of the synthetic resin tile 1, and does not bend or twist due to a moving load on the synthetic resin tile 1, for example, dragging a heavy object. The term “upward warp” means that the tile base 2 is placed on the floor surface, and the peripheral end is in a floating state with only the central portion of the tile base 2 being in contact.

  The surface film 3 is a film having a dimension substantially equal to the upper surface of the tile base material 2, and an end surface 31 thereof is inclined with respect to the vertical surface 21 of the tile base material 2 so as to be the center side of the synthetic resin tile 1. Disconnected. The inclination angle α of the end surface 31 is, for example, in the range of 30 to 80 ° inward with respect to the vertical surface 21 of the tile base material, and is substantially the same as the inclination angle of the inclined surface 22 of the tile base material 2, It is preferable to make it larger than the inclination angle of the inclined surface 22. Furthermore, it is preferable to attach R to the upper surface of the end surface 31 to relieve the catch caused by walking or dragging heavy objects.

  The thickness of the surface film 3 can be appropriately selected depending on the construction site, required durability performance, etc., but is preferably 0.05 mm to 0.5 mm. When the thickness is less than 0.05 mm, the workability deteriorates due to the occurrence of tearing at the time of lamination, the wear resistance when the synthetic resin tile 1 is made is poor, and further, it expands due to a static load or a moving load. The possibility of leaving a dent mark or damage is increased. On the other hand, if it exceeds 0.5 mm, the cutting performance at the time of construction on the site deteriorates, and the amount of used surface film 3 that is discarded when the synthetic resin tile 1 is replaced, recovered, and recycled is increased, and thus recycled. In view of this, it is not preferable, and the cost required for regeneration increases, which is not preferable from the viewpoint of economy. Therefore, the range of 0.05 mm to 0.5 mm is preferable from the viewpoints of wear resistance, workability when coating a film material, on-site workability, environmental load, economy, and the like.

  It is preferable that the thickness of the surface film 3 is within the above range even when the end surface 31 of the surface film 3 is cut obliquely. That is, if the thickness is less than 0.05 mm, even if the end portion 31 is cut obliquely, the rigidity of the surface film 3 is weak due to the thin thickness, and the horizontal direction or the diagonally upward direction due to walking etc. The surface film 3 tends to peel off following the stress. On the other hand, if the thickness exceeds 0.5 mm, the cut surface of the end 31 of the surface film 3 becomes wide and the appearance is impaired.

  The surface film 3 can be manufactured from various materials appropriately selected depending on desired properties required for the synthetic resin tile 1, and the structure thereof may be either a single layer structure or a multilayer structure.

  Examples of the material constituting the surface film 3 include vinyl chloride resin, polyurethane resin, acrylic resin, polyethylene resin, polypropylene resin, polyester resin, ethylene-vinyl acetate copolymer resin, vinyl chloride-ethylene copolymer resin, and urethane-acrylic. In addition to the copolymer resin and the like, various synthetic resins and / or copolymer resins can be used alone or in a blend. Here, in the case where a synthetic resin composition, a synthetic rubber composition, a natural rubber composition, or the like in which an additive that easily migrates, such as a plasticizer or process oil, is used as the tile base material 2, the transition of the additive is used. In order to prevent this, it is preferable to use a surface film 3 made of polyester resin, acrylic resin or the like.

  Furthermore, the surface film 3 has a multilayer structure formed by laminating different resin layers to improve physical and appearance properties of the surface film 3, improve wear resistance and durability, and antistatic properties. Desired properties can be imparted.

  Moreover, the functional layer which has a protective effect on the surface of the surface film 3 can be provided, and the abrasion resistance and durability of the surface film 3 can be improved. Thereby, even if it uses for a place with many walks of a person, for example, the replacement period of the synthetic resin tile 1 can be lengthened. Also, it can give resistance to oil spills, and it is highly dyed by foods such as curry containing dyes that are easily dyed, foods such as tabasco sauce, chemicals such as shoe ink, hair dye, iodine tincture and isodine, and paint (for example, oil stain for wood). It is suppressed. Further, when the synthetic resin tile 1 comes into contact with a tire such as a rubber cap, a rubber caster, a bicycle, a motorcycle, or an automobile, the surface film 3 can be prevented from being colored by rubber.

  The functional layer is composed of a resin layer having a desired function or a resin layer to which an additive having a desired function is added. The functional layer is formed by applying or bonding these to the surface of the surface film 3. Can be provided. As the application method, spray coating, brush coating, roll coater, die coater, curtain flow coater, etc., which are usually used can be used, and the material of the functional layer is urethane resin, acrylic resin, urethane-acrylic copolymer Resin, polyester resin, melamine resin, fluorine-based material, organic silicon-based material (for example, a mixture of alkoxysilane, N-propyl alcohol, and aluminum chelate compound), inorganic silicon-based material (for example, silicon glass), epoxy-based resin, Ceramic materials, various reactive monomers and oligomers, etc., are appropriately selected from ordinary materials. These are solvent-based, water-based emulsion-based, solvent-free room-temperature drying paints, heat-drying paints, heat-curing paints, UV-curing. It is applied as mold paint or electron beam curable paint and cured by any means It can be. Moreover, what was shape | molded to the film can form this functional layer by bonding by a normal means.

  In addition, acrylic resin, urethane resin, ethylene resin, polyester resin, fluororesin, polyethylene resin, polypropylene resin, vinyl chloride resin, ethylene-vinyl acetate copolymer resin, various paints and films forming the functional layer are charged. By providing a functional layer comprising an inhibitor, an inorganic substance that generates negative ions, etc., for example, when an antistatic agent is added, the generation of static electricity during walking can be prevented. Such a synthetic resin tile 1 is suitable for use in an office or a clean room where the generation of static electricity must be avoided.

A specific embodiment of the preferred surface film 3 is illustrated in FIG.
The surface film 3 of the embodiment illustrated in FIG. 3A is a 5 μm-thick urethane-acrylate hard coat 311, a 125 μm-thick double-sided easy-adhesion treated PET film 312, a 20 μm-thick adhesive 313, and an 80 μm-thick vinyl chloride. The print film 314 is a film laminated in this order from the top.
Further, in the surface film 3 of the embodiment illustrated in FIG. 3B, in the embodiment illustrated in FIG. 3A, a film in which a PET-G printing film 315 having a thickness of 80 μm is laminated instead of the vinyl chloride printing film 314. It is.

  The synthetic resin tile 1 of the present invention is manufactured by forming the adhesive layer 4 on the upper surface of the tile substrate 2 and adhering the surface film 3 to the tile substrate 2 in a peelable manner. As the adhesive layer 4, the surface film 3 can be fixed to the tile substrate 2 in a peelable state, and unnecessary unevenness that becomes an obstacle at the time of construction does not occur on the surface of the synthetic resin tile 1. Any material can be appropriately selected as long as it can exhibit a sufficient fixing force so as not to peel off. For example, the adhesive layer 4 is composed of an adhesive, a pressure-sensitive adhesive, a pressure-sensitive adhesive tape, etc., and exhibits adhesiveness and tackiness at room temperature or by heating, pressurizing, etc., a reactive adhesive such as a two-component type, or It can be an adhesive.

  Moreover, since it is necessary to make the surface film 3 peelable easily from the tile base material 2 at the time of replacement | exchange, the adhesive strength by the contact bonding layer 4 is 0.3-4.0 kg / 25mm width. When the width is less than 0.3 kg / 25 mm, not only the surface film 3 may be peeled off during transportation, cutting during cutting, installation corners, laying in corners and / or use, but also a problem with the floor surface. There is also a possibility that peeling occurs when the tile base material 2 follows the land. On the other hand, when the width exceeds 4.0 kg / 25 mm, a large force is required to peel off the surface film 3, or the surface film 3 strongly adhered to the tile base material 2 is broken at the time of peeling and adhered to the tile base material 2. Since the remaining pieces of the surface film 3 must be removed, the efficiency of the peeling operation is significantly reduced.

  As a material for the adhesive layer 4, a generally used solvent type, aqueous emulsion type, aqueous latex type, solventless type, hot melt type, and the like can be used. When a soft or semi-rigid synthetic resin composition containing a plasticizer is used as the material for the tile substrate 2 and / or the surface film 3, the adhesive layer 4 should be resistant to the plasticizer. Examples of the material of the adhesive layer 4 include one or a mixture of two or more selected from acrylic resins, polyester resins, polyurethane resins, ethylene-vinyl acetate copolymer resins, and the like.

  In the case of using an adhesive or a pressure-sensitive adhesive, the adhesive layer 4 is formed on the tile base 2 by applying a usual method such as spray coating, brush coating, gravure coating, roll coater or hot melt coating. The method can be adopted. Further, the adhesive layer 4 may be formed on the entire upper surface of the tile base 2 or may be partially formed. In the case of partial formation, for example, the adhesive layer 4 can be formed in a line shape or a spot shape. In addition to selecting the material of the adhesive layer 4, by appropriately selecting a pattern that partially forms the adhesive layer 4, it is possible to prevent the occurrence of entrainment air and adjust the strength of adhesion.

  When a material that exhibits adhesiveness or tackiness by heating is adopted as the material of the adhesive layer 4, the tile base material 2 and the surface film 3 are fixed without having adhesiveness or tackiness after the formation of the adhesive layer 4. Since it is not carried out, after covering the surface film 3 on the tile base material 2, it becomes possible to position both before bonding. Then, after the positioning is completed, both are bonded to each other by heating so that they can be easily peeled off as desired. Examples of materials that exhibit adhesiveness or tackiness by such heating include synthetic rubbers such as SBR and chloroprene, acrylic esters, modified polyolefin resins, ethylene-vinyl acetate copolymer resins, polyester resins, polyamide resins, and the like. A thermoplastic resin and a polyester resin solution can be mentioned. In addition to heating, materials that exhibit adhesiveness or tackiness by pressurization, for example, can be used in the same manner, and the effect of facilitating positioning is achieved.

  When the surface film 3 and the tile base material 2 are peeled off, they may be peeled off at the interface between the surface film 3 and the adhesive layer 4 or at the interface between the tile base material 2 and the adhesive layer 4 or between the adhesive layers 4. However, it is preferable to employ an adhesive that peels at the interface between the surface film 3 and the adhesive layer 4 and has re-adhesiveness. Examples of such an adhesive include an adhesive and an adhesive that exhibits adhesiveness and tackiness by heating or the like. If the adhesive layer 4 is formed with such an adhesive, the synthetic resin tile 1 can be recovered and peeled off from the top surface of the tile substrate 2 even if the soiled or damaged surface film 3 is peeled off. Since the adhesive layer 4 having adhesiveness is present, the new surface film 3 is bonded in a peelable state without removing the existing adhesive layer 4 and without newly forming the adhesive layer 4. Thus, the workability of replacing the surface film 3 can be improved.

  The synthetic resin tile 1 of the present invention shown in the figure includes a protective film 5 that continuously covers from the end surface 31 of the surface film 3 to the inclined surface 22 of the tile substrate 2 including the end surface 41 of the adhesive layer 41 as desired. Can be provided. The protective coating 5 is preferably formed from a material having moisture resistance and / or water resistance, and prevents water from entering the interface between the tile base material 2 and the adhesive layer 4 and the interface between the adhesive layer 4 and the surface film 3. . Any material can be used as the material of the protective film 5 as long as it has moisture resistance and / or water resistance. Natural or synthetic wax, silicon water repellent, silicon oil repellent, fluorine water repellent can be used. Water repellency and / or oil repellency can be further improved by adding an agent, a fluorine-based oil repellant or the like. In addition, from the viewpoint of preventing dust and dust from adhering, the material of the protective coating 5 is preferably a non-sticky material.

  The thickness of the protective coating 5 is preferably in the range of 1 μm to 0.5 mm. If the thickness is less than 1 μm, the strength of the protective film 5 becomes insufficient, and the desired moisture resistance and / or water resistance cannot be obtained. Further, if it exceeds 0.5 mm, a large amount of material is required, the cost is increased and the cost is inferior, and in addition, a protuberant portion tends to be formed at the end of the protective coating 5. As a result, not only the finish of the joints is deteriorated but also the friction increases during walking and the like, and the surface film 3 is easily peeled off.

  The protective coating 5 can be formed by a commonly employed method such as spray coating, brush coating, roll coating, die coating, hot melt coating, or the like.

  In the synthetic resin tile 1 of the present invention, the end surface 31 of the surface film 3 is a surface whose upper surface side is inclined toward the center side of the tile base material 2. Partial peeling can be prevented. That is, peeling of the surface film 3 at the time of walking of a person, dragging of luggage and shelves, moving of a carriage, cleaning of a mop, etc. proceeds from the edge of the synthetic resin tile 1, but the end surface 31 of the surface film 3 is inclined. Since this is the surface, the shoe sole or the like is not caught on the end of the surface film 3, and as a result, the end of the surface film 3 can be prevented from rolling up.

  In the synthetic resin tile 1 of the present invention, an adhesive layer 4 is provided on the upper surface of a rectangular flat-plate tile base material 2 prepared in advance, and a film material having a dimension equal to or larger than the upper surface dimension of the tile base material 2 is interposed through the adhesive layer 4. Then, after releasably adhering to the upper surface side of the tile base material 2, the film material is cut according to the upper surface dimension of the tile base material 2, and the inclined surface 22 is formed on the upper end surfaces of all the end surfaces of the tile base material 2. It can be manufactured by forming all the end surfaces 31 of the film material as the surface film 3 as an inclined surface whose upper surface side is inclined toward the center side of the tile base material. In this case, the step of cutting the film material and the step of forming the inclined surface on the end surface may be performed in separate steps or may be performed in one step. Moreover, when this film material is a strip | belt-shaped continuous film material, you may perform a cutting process, after adhere | attaching the several tile base material 2 to this continuous film material.

  As an example, after the tile base material 2 is produced, an adhesive layer 4 is provided on the top surface of the rectangular flat tile base material 2, and a plurality of tile base materials 2 having the adhesive layer 4 on the top surface are arranged at regular intervals. While being transported continuously, a substantially rectangular film material or strip-shaped continuous film material that has been preliminarily cut to a size larger than the tile base material 2 can be peeled to the upper surface side of the tile base material 2 via the adhesive layer 4. After bonding, when a substantially rectangular film material cut in advance to a size larger than the tile base material 2 is used, the continuous film material is used for each tile base material 2 as it is when a continuous film material is used. The film material and the tile substrate 2 are opposed to each other by cutting and separating into a dimension equal to or larger than the size of the facing 2 and passing each tile substrate 2 between a pair of left and right cutting tools while pressing the upper surface of the film material. Cut two edges Then, after the tile base material 2 is rotated by 90 °, the tile base material 2 is passed between the pair of left and right cutting tools while pressing the upper surface of the film material. The remaining two opposing end surfaces are cut to form inclined surfaces 22 at the upper ends of all the end surfaces of the tile substrate 2, and all the end surfaces 31 are inclined with the upper surface side inclined toward the center side of the tile substrate 2. By using the surface film 3 as the inclined surface 32, the synthetic resin tile 1 of the present invention can be manufactured. Thus, the method of manufacturing in a consistent process using a substantially rectangular film material or strip-shaped continuous film material that has been preliminarily cut to a size larger than the tile base material 2 is a mass production of high-quality synthetic resin tiles 1. Is more suitable.

As said cutting tool, a rotary blade, a knife, a router, a laser cutter, an ultrasonic cutter, a water jet cutter etc. can be used, for example.
Furthermore, in the manufacturing method of the synthetic resin tile 1 according to the present invention, after the surface film 3 is cut and formed, the protective coating 5 that continuously covers at least the end surface 31 of the surface film 3 to the inclined surface 22 of the tile base material 2 is provided. You can also.

  A method for producing the synthetic resin tile 1 of the present invention shown in FIG. 1 will be described with reference to FIG. 4 schematically showing the flow when a hot melt adhesive is used. The tile base material 2 is prepared in advance by cutting the flat plate foam substantially perpendicularly to the upper or lower surface thereof, and the tile base material 2 is continuously transported by the transport device T as shown in FIG. Then, first, the hot melt adhesive is applied to the upper surface of the preheated tile base material 2 by the adhesive application device A to form the adhesive layer 4. The adhesive layer 4 made of a hot-melt adhesive is maintained at a temperature equal to or higher than the melting point of the adhesive by the heating device B and is maintained in a molten state. Next, a continuous film material in the form of a roll wound on the adhesive layer 4 holding an appropriate adhesive force is placed by the laminating device C, and then the adhesive is cooled and solidified by the cooling device D. A film material is bonded to the tile substrate 2. At this time, the continuous film material is still in the form of a strip, and the tile base materials 2 to be conveyed are connected to each other via the strip-shaped continuous film material. Thereafter, the continuous film material is cut by the cutting device E between the tile substrates 2 being conveyed, and the tile substrates 2 are individually separated. The individually separated tile base material 2 is cut into the two opposite film materials and the tile base material 2 in the rectangular tile base material 2 by a first cutting device F1 having a rotary blade of an arbitrary shape, and at least The protective coating 5 that continuously covers from the end surface 31 of the surface film 3 to the inclined surface 22 of the tile base material 2 is formed by the end surface coating apparatus G1. Then, the tile substrate 2 is rotated by 90 °, and the remaining two opposite sides of the film material and the tile substrate 2 are similarly cut by the second cutting device F2, and at least from the end surface 31 of the surface film 3 the tile substrate. The protective coating 5 that continuously covers up to two inclined surfaces 22 is formed by the end face coating device G2, and dried and cooled by the drying device H, whereby the synthetic resin tile 1 of the present invention is manufactured.

The cutting of the surface film 3 will be described in more detail with reference to FIG. 5 schematically showing the cutting devices F1 and F2. As illustrated in FIG. 5A, in the cutting devices F1 and F2, the tile base material 2 in which the film material and the adhesive layer 4 are laminated in order from the upper side is placed on the transport device T and transported. In order to facilitate the cutting of the film material, the upper side of the film material is conveyed by being pressed by the pressing and conveying device F101. A pair of cutting tools F102 are fixed by a cutting tool fixing device F103 on the left and right sides of the tile base material 2 thus transported, and in addition, the left and right end surfaces of the tile base material 2 are tile base pressers. It is fixed by the transport device F104. Here, the cutting tool F102 is fixed at an angle toward the inside of the tile base material 2, so that the film material is cut by the cutting tool F102 as the tile base material 2 is transported to form the surface film 3, and The upper end surface of the tile substrate 2 is chamfered. The inclination angle of the cutting tool F102 can be adjusted by the cutting tool fixing device F103.
In addition, as shown in FIG. 5B, it is possible to cut the film material and the tile base material 2 by using the rotary blade F105 and the rotary blade driving means F106 instead of the cutting tool F102 and the cutting tool fixing device F103. It is.

  The construction state of the synthetic resin tile 1 of the present invention is shown in FIG. The synthetic resin tiles 1 are placed on the floor base without any gaps, and the tile base materials 2 of the adjacent synthetic resin tiles 1 are in contact with each other. Thus, the synthetic resin tile 1 of the present invention does not need to be fixed to the floor base surface with an adhesive, and therefore there is no problem of air contamination due to volatile organic compounds contained in the adhesive. And the surface film 3 does not exist in the part which the synthetic resin tiles 1 contact | abut, and the joint between the synthetic resin tiles 1 does not stand out. Furthermore, the surface films 3 of the adjacent synthetic resin tiles 1 do not come into contact with each other.

  The construction of the synthetic resin tile 1 of the present invention can be similarly performed by a conventional method for constructing a tile. In order to perform construction more easily, at least several synthetic resin tiles 1 placed at the center of the floor base surface to be constructed are temporarily fixed with a peelable double-sided tape or the like, and the reference synthetic resin tile 1 After forming the line, it is preferable to perform construction in accordance with the standard. As a result, partial movement of tiles during construction can be prevented, and workability can be improved and a beautiful construction surface can be formed. In addition, it is preferable to remove the double-sided tape and the like used for temporary fixing after all tiles have been constructed. By removing, there is no possibility of contaminating the synthetic resin tile 1 or generating a step or the like on the surface of the synthetic resin tile 1. Any temporary fixing means that does not contaminate the synthetic resin tile 1 or cause a step or the like can be left as it is.

  The synthetic resin tile 1 of the present invention thus constructed is the only synthetic resin tile 1 that has been damaged and / or soiled when the surface film 3 is damaged or the surface is soiled by use, or the synthetic resin that has been constructed. All the tiles 1 can be removed and replaced with new synthetic resin tiles 1. Since the synthetic resin tile 1 itself is only laid on the floor base surface and is not bonded and fixed, the replacement can be easily performed in a short time and has a great influence on the use state of the construction site. There is nothing.

  The synthetic resin tile 1 of the present invention that has been damaged and / or soiled and replaced is transported to a factory or the like, and then the surface film 3 is peeled off. When the tile base material 2 is not damaged or soiled, the tile base material 2 of the used synthetic resin tiles 1 can be reused. Then, a new surface film 3 can be adhered to the tile base 2 and reused as a new synthetic resin tile 1 in the same manner as shown in FIG.

  The surface film 3 that newly adheres to the used tile substrate can be the same type of surface film 3 that was previously adhered, but a different type of surface film 3 can also be adhered. For example, the opaque surface film 3 can be adhered to the tile substrate 2 to which the transparent surface film 3 has been adhered.

The synthetic resin tile 1 of the present invention can be easily replaced with a new synthetic resin tile 1 when it is damaged or dirty during use, and the surface film 3 is peeled off from the used synthetic resin tile 1, Then, by attaching a new surface film 3 to the tile base material 2, the tile base material 2 can be reused without being discarded. Further, the peeled surface film 3 and the tile substrate 2 damaged so as not to be reused can be easily recycled. Therefore, with the synthetic resin tile 1 of the present invention, it is possible to construct a circulation type floor maintenance system based on reuse and recycling that essentially does not discharge waste.

Fig.1 (a) is typical sectional drawing which illustrates the synthetic resin tile of this invention, FIG.1 (b) is an enlarged view of the upper end part of the right side of Fig.1 (a). FIG. 2 is a schematic cross-sectional view illustrating a preferred specific embodiment of a tile substrate. FIG. 3 is a schematic cross-sectional view illustrating a preferred specific embodiment of the surface film. FIG. 4 is a schematic view illustrating the flow of the synthetic resin tile manufacturing method of the present invention. FIG. 5 is a schematic view illustrating the cutting device of FIG. FIG. 6 is a schematic diagram illustrating a construction state of the synthetic resin tile 1 of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Synthetic resin tile 2 Tile base material 3 Surface film 4 Adhesive layer 5 Protective film

Claims (7)

A substantially rectangular flat tile substrate;
An adhesive layer formed on the top surface of the tile substrate;
It consists of a surface film that is releasably adhered to the upper surface side of the tile substrate through the adhesive layer,
All the end surfaces of the tile base material are inclined surfaces in which the upper surface side is inclined toward the center side of the tile base material at the upper end surface;
All end surfaces of the surface film are inclined surfaces whose upper surface side is inclined toward the center side of the tile base material, and the inclined surface of the tile base material and the inclined surface of the surface film are flush with each other. Synthetic resin tiles. The synthetic resin tile according to claim 1, wherein at least the end surface of the surface film to the inclined surface of the tile base material is covered with a continuous protective coating. An adhesive layer is provided on the upper surface of a rectangular flat tile base material, and a film material having a dimension equal to or larger than the upper surface dimension of the tile base material is detachably bonded to the upper surface side of the tile base material through the adhesive layer. After that, the film material is cut according to the upper surface dimension of the tile base material, and the upper end surface of all the end surfaces of the tile base material and all the end surfaces of the surface film, the upper surface side is the center side of the tile base material. A method for producing a synthetic resin tile, wherein an inclined surface is formed to form a surface film. The method for producing a synthetic resin tile according to claim 3, wherein an inclined surface is formed simultaneously with the cutting of the tile base material from the film material. The method for producing a synthetic resin tile according to claim 3 or 4, wherein the film material is a strip-like continuous film material, and the plurality of tile base materials are bonded to the continuous film material and then cut. After recovering the synthetic resin tile according to claim 1 or 2 after use and peeling off the surface film, all the end faces are capable of peeling off the surface film whose upper surface side is an inclined surface inclined toward the center side of the tile substrate. Recycled synthetic resin tile characterized by being bonded. The recycled synthetic resin tile according to claim 6, wherein at least the end surface of the surface film to the inclined surface of the tile base material is covered with a continuous protective coating.

Images