CN113382854A - Decorative material - Google Patents
Decorative material Download PDFInfo
- Publication number
- CN113382854A CN113382854A CN202080011230.1A CN202080011230A CN113382854A CN 113382854 A CN113382854 A CN 113382854A CN 202080011230 A CN202080011230 A CN 202080011230A CN 113382854 A CN113382854 A CN 113382854A
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- Prior art keywords
- resin
- layer
- decorative material
- resins
- shape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02161—Floor elements with grooved main surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Floor Finish (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention provides a decorative material which is excellent in non-slip properties not only when dry but also when wet with water, and which is also excellent in design properties. The decorative material has a pattern layer, and has irregular concave-convex shape on one surface, and the concave-convex shape has a volume (Vvv + Vvc) represented by the total value of the void volume (Vvv) of the valley portion and the void volume (Vvc) of the central portion measured by a 3D shape measuring machine of 15mL/m2The above.
Description
Technical Field
The present invention relates to a decorative material.
Background
In building materials, furniture, home electric appliances, and the like, when a member to be used is to be decorated, a decorative material is generally used.
In particular, when the decorative material is used as a floor material, the anti-slip property is required from the viewpoint of safety.
For example, patent document 1 discloses a laminate for floor material surface, in which a surface protective layer has a multilayer structure of 2 or more layers and resin beads are added only to the outermost layer to reduce friction and impart slip resistance.
On the other hand, in daily life, in an environment in which water is sometimes used, such as a kitchen or a dressing room, that is, in an aqueous environment, a floor is wet with water, and a person may slip down.
However, the laminate for flooring surface has room for improvement, not considering the slip resistance when wet with water, although the slip resistance when dry is considered to be improved.
Conventionally, as a floor material used in a bathroom or the like, which is often wetted with water, a floor material is commercially available which has a surface shape with a deep recess and a wide recess and which has improved anti-slip properties when wetted with water.
However, there is a problem that the design of the geometric pattern and the base, the surface shape of which is a regular checkerboard shape, is limited, and there is little demand for applications requiring high design properties such as wood grain patterns and stone grain patterns.
Documents of the prior art
Patent document
Patent document 1: japanese patent laid-open publication No. 2013-167089
Disclosure of Invention
Problems to be solved by the invention
The present invention has been made to solve the above problems, and an object thereof is to provide a decorative material having excellent design properties as well as excellent anti-slip properties not only when dry but also when wet with water.
Means for solving the problems
The present inventors have conducted intensive studies to solve the above problems and focused attention on the surface shape of the decorative material. As a result, they have found that a decorative material having excellent design properties as well as excellent anti-slip properties when wet with water can be obtained by forming an irregular shape having a specific volume on one surface, and thus have completed the present invention.
That is, the present invention is a decorative material having a pattern layer, characterized in that the decorative material has an irregular uneven shape on one surface thereof, and the uneven shape has a volume (Vvv + Vvc) represented by the total value of a void volume (Vvv) of a valley portion and a void volume (Vvc) of a central portion measured by a 3D shape measuring machine, of 15mL/m2The above.
In the decorative material of the present invention, the uneven shape is preferably a continuous shape.
Preferably, the volume (Vvv + Vvc) is 55mL/m2The following.
Further, the above-mentioned uneven shape preferably has a ten-point average roughness (RzJ) of 70 μm to 200 μm as defined in JIS B0601 (2001).
The above-described uneven shape preferably has an arithmetic average roughness (Ra) defined in JIS B0601 (2001) of 13 to 30 μm.
Preferably, the average length (AR) of the roughness motif defined by CNOMO of the above-described uneven shape is 1.00mm or more.
Preferably, the decorative material has a surface protective layer on the side having the uneven shape.
ADVANTAGEOUS EFFECTS OF INVENTION
The present invention can provide a decorative material that has excellent design properties as well as excellent skid resistance when wet, and that has excellent skid resistance when dry.
Drawings
Fig. 1(a) and (b) are schematic diagrams showing an example of a load curve obtained by measuring the decorating material by a 3D shape measuring machine.
Fig. 2 (a) and (b) are schematic views showing a surface shape (irregular shape) of a preferable example of the decorative material of the present invention.
Fig. 3(a) is a sectional view showing one embodiment of the decorative material of the present invention, (b) is a sectional view showing another embodiment of the decorative material of the present invention, and (c) is a sectional view showing still another embodiment of the decorative material of the present invention.
Fig. 4 is a cross-sectional view showing an embodiment of laminating the decorative material of the present invention on an adherend.
Detailed Description
First, the decorating material of the present invention will be explained.
In the following description, the upper limit of the lower limit of the numerical range indicated by "-" means "not less than" and (for example, α to β means α to β).
The present invention is a decorative material having a pattern layer, characterized in that the decorative material has an irregular uneven shape on one surface thereof, and the uneven shape has a volume (Vvv + Vvc) represented by the total value of a void volume (Vvv) of valley portions and a void volume (Vvc) of a central portion measured by a 3D shape measuring machine of 15mL/m2(ml/square meter) above.
< concave-convex shape of decorative Material
In the decorative material of the present invention, a volume (Vvv + Vvc) of the uneven shape represented by a total value of a void volume (Vvv) of the valley portion and a void volume (Vvc) of the central portion measured by a 3D shape measuring machine is 15mL/m2The above.
The decorative material of the present invention has such an uneven shape, and therefore, not only has excellent anti-slip properties during drying, but also can reduce the area of the foot sole or the like in contact with water even when wetted with water, and has excellent anti-slip properties when wetted with water.
From the viewpoint of still further suitably imparting the anti-skid property upon wetting with water,the above-mentioned volume (Vvv + Vvc) is preferably 20mL/m2More preferably 25mL/m or more2More preferably 30mL/m or more2The above.
The above-mentioned volume (Vvv + Vvc) is preferably 55mL/m2Less than, more preferably 50mL/m2The following. The volume (Vvv + Vvc) exceeds 55mL/m2In this case, it may be difficult to remove dirt entering the recess, and the cleaning performance may be reduced.
The void volume (Vvv) of the valley portion and the void volume (Vvc) of the center portion can be measured and analyzed under the following conditions using a 3D shape measuring machine (product name: Oneshot 3D profilometer measuring head "VR-3100", controller "VR-3000", manufactured by keyence ltd.).
(measurement conditions)
The number of times of measurement: n-5 (arbitrary 5 dots)
Measurement mode: ultra-precision mode
Measuring direction: two sides
Brightness adjustment: automatic (80)
Measurement magnification: 12 is rich
Measurement area: 18mm x 24mm
Each measurement adjusts focus according to the focus guide.
The measurement data was preprocessed by an analysis program ("VR-H2A", manufactured by Kinzhi Co., Ltd.).
1 reference plane setting (reference plane specifying method: region specifying (entire image))
2-face shape correction (correction method: fluctuation removal, designation method: intensity of correction (5))
Thereafter, the void volume (Vvv) of the valley portions and the void volume (Vvc) of the center portion are calculated from the function (volume) parameters.
Fig. 1 is a schematic view showing an example of a load curve obtained by measuring an ornamental material with a 3D shape measuring machine.
As shown in fig. 1(a) and (b), the function (volume) parameter is calculated using a load curve (a curve representing a height at which the load area ratio is from 0% to 100%), and the load area ratio at a certain height (c) corresponds to smr (c) in fig. 1 (a). The void volume (Vvv) of the valley portion is a value for calculating the void volume in a range of a load area ratio of 80% or more, and the void volume (Vvc) of the center portion is a value for calculating the void volume in a range of a load area ratio of 10% or more and less than 80%.
In the decorative material of the present invention, the uneven shape is an irregular shape.
Fig. 2 (a) and (b) are schematic views showing a surface shape (irregular shape) of a preferable example of the decorative material of the present invention.
The decorative material 10 of the present invention has irregular concave and convex shapes as shown in fig. 2 (a) and (b), and therefore, even when various designs such as wood grain patterns, stone grain patterns, cloth grain patterns, etc. are applied as the pattern layer, no sense of incongruity is generated.
On the other hand, when a regular uneven shape (for example, a geometric pattern) is formed on the surface, various designs such as a wood pattern, a stone pattern, and a cloth pattern are applied as the pattern layer, and an uncomfortable feeling is generated.
Here, the "irregular uneven shape" means that there are no periodic unevenness, and for example, when any 5 places (18mm × 24mm) on the surface of the garnish are observed by a 3D shape measuring machine (product name: Oneshot 3D profilometer measuring head "VR-3100", controller "VR-3000", manufactured by keyence ltd), the area ratio of the convex portions (island portions) to the concave portions (valley portions) or the number of the convex portions (island portions) is not fixed.
In the present specification, the convex portion (island portion) refers to a region in which the ratio of the surface height to the highest point obtained by the 3D shape measuring machine under the same measurement conditions as the void volume (Vvv) of the valley portion and the void volume (Vvc) of the center portion is in the range of 62.5% to 100%, and the concave portion (valley portion) refers to a region in which the ratio of the surface height to the highest point is in the range of 0% to less than 62.5%.
The "area ratio" can be obtained by dividing the uneven area of the measured portion (18mm × 24mm) into a convex portion (island portion) and a concave portion (trough portion), measuring the areas occupied by the convex portion and the concave portion, and comparing the measured areas.
From the viewpoint of appropriately imparting design properties, the number of the projections (islands) is preferably 50 or more, more preferably 100 or more, and still more preferably 150 or more at each of the arbitrary 5 positions (18mm × 24 mm).
In the decorative material of the present invention, the uneven shape is preferably a continuous shape.
Since the uneven shape is a continuous shape, when the decorative material is wetted with water or when dirt adheres thereto, a water or dirt removal passage can be ensured, and therefore, slip resistance and cleaning performance can be appropriately imparted when wetted with water.
Here, the "continuous shape" means that there is no break and there are continuous recesses, and when any 5 places (18mm × 24mm) on the surface of the finishing material are observed by a 3D shape measuring machine (product name: Oneshot 3D profilometer measuring head "VR-3100", controller "VR-3000", manufactured by keyence ltd.), the area of the continuous (continuous) recesses (valleys) is 90% or more with respect to the total area (100%) of the recesses (valleys) in the observed portion.
In the decorative material of the present invention, the ten-point average roughness (RzJ) defined by JIS B0601 (2001) is preferably 70 to 200 μm.
When the ten-point average roughness (RzJ) is in the above range, slip resistance and cleaning properties can be more appropriately imparted when wetted with water.
The ten-point average roughness (RzJ) is more preferably 90 μm to 180 μm, and still more preferably 110 μm to 160 μm.
In the decorative material of the present invention, the arithmetic average roughness (Ra) defined by JIS B0601 (2001) is preferably 13 to 30 μm.
When the arithmetic average roughness (Ra) is in the above range, the slip resistance and the cleaning property can be more appropriately imparted when the sheet is wetted with water.
The arithmetic average roughness (Ra) is more preferably 16 μm to 27 μm, and still more preferably 19 μm to 24 μm.
The ten-point average roughness (RzJ) and the arithmetic average roughness (Ra) were measured under the following conditions using a surface roughness measuring machine ("SURFCM-FLEX-50A", manufactured by Tokyo precision Co., Ltd.).
(measurement conditions)
The number of times of measurement: n-5 (arbitrary 5 dots)
Calculating a standard: JIS' 01
The measurement types are as follows: roughness measurement
Evaluation length: 40.00mm
The intercept value is as follows: 8.00mm
Measuring speed: 1.50mm/s
When the uneven shape has directionality, the measurement is performed perpendicular to the flow direction.
In the decorative material of the present invention, it is preferable that the average length (AR) of the roughness motif defined by CNOMO of the above-described uneven shape is 1.00mm or more.
When the average length (AR) of the roughness motif is in the above range, the anti-slip property and the cleaning property can be more appropriately provided when the water is wetted.
The average length (AR) of the roughness motif is more preferably 1.50mm or more, and still more preferably 2.00mm or more.
The average length (AR) of the roughness motif is preferably 5.00mm or less, more preferably 4.50mm or less, from the viewpoint of reducing the area of the sole or the like that comes into contact with water and of being able to suitably impart anti-slip properties even when wetted with water.
The average length (AR) of the roughness motif can be measured under the following conditions using a surface roughness measuring instrument ("SURFCM-FLEX-50A", manufactured by Tokyo precision Co., Ltd.).
The number of times of measurement: n-5 (arbitrary 5 dots)
Calculating a standard: CNOMO
The measurement types are as follows: determination of cross section
Evaluation length: 16.00mm
Measuring speed: 0.60mm/s
λ s filter: 8.00 mu m
And (3) motif calculation: LIMIT A0.5 mm and LIMIT B2.5 mm
When the uneven shape has directionality, the measurement is performed perpendicular to the flow direction.
In the decorative material of the present invention, the method for forming the above-described uneven shape is not particularly limited, and examples thereof include a method of embossing by heat, a method of transferring an uneven shape by a forming sheet, and the like.
As the embossing, for example, a known method of embossing by a single-sheet type or rotary type embossing machine can be mentioned.
(Pattern layer)
The decorative material of the invention has a pattern layer.
Fig. 3(a) is a sectional view showing one embodiment of the decorative material of the present invention, (b) is a sectional view showing another embodiment of the decorative material of the present invention, and (c) is a sectional view showing still another embodiment of the decorative material of the present invention.
The pattern layer 20 may be present on the side of the decorative material 10 opposite to the surface having the uneven shape 11 as shown in fig. 3(a), the pattern layer 20 may be present on the side of the decorative material 20 having the uneven shape 11 as shown in fig. 3(b), or may be present between (inside) these layers when the decorative material 10 is formed of a plurality of layers as shown in fig. 3(c), and the position of arrangement is not particularly limited.
The pattern layer is a layer for imparting a desired pattern (design) to the decorative material, and the type of pattern and the like are not limited. Examples of the pattern include wood grain patterns, leather grain patterns, stone grain patterns, sand grain patterns, tile patterns, brick laying patterns, cloth grain patterns, geometric figures, characters, symbols, abstract patterns, and the like.
The method for forming the pattern layer is not particularly limited. For example, the decorative material can be formed on an arbitrary portion of the decorative material such as a substrate sheet described later by a printing method using an ink obtained by dissolving (or dispersing) a known colorant (dye or pigment) in a solvent (or dispersion medium) together with a binder resin. In addition, a part or the whole of the decorating material may be colored, or a plurality of resins may be mixed.
The ink may be an aqueous composition from the viewpoint of reducing VOC of the decorative sheet.
Examples of the colorant include: inorganic pigments such as carbon black, titanium white, zinc white, red iron oxide, prussian blue, cadmium red, etc.; organic pigments such as azo pigments, lake pigments, anthraquinone pigments, quinacridone pigments, phthalocyanine pigments, isoindolinone pigments, and dioxazine pigments; metal powder pigments such as aluminum powder and bronze powder; pearl luster pigments such as titanium oxide-coated mica and bismuth oxide chloride; a fluorescent pigment; luminescent pigments, and the like. These colorants may be used alone or in combination of 2 or more. These colorants may be used together with fillers such as silica, bulk pigments such as organic beads, neutralizing agents, surfactants, and the like.
The binder resin may be a polyester resin, a polyacrylate resin, a polyvinyl acetate resin, a polybutadiene resin, a polyvinyl chloride resin, a chlorinated polypropylene resin, a polyethylene resin, a polystyrene-acrylate copolymer resin, a rosin derivative, an alcohol adduct of a styrene-maleic anhydride copolymer resin, a cellulose resin, or the like. More specifically, for example, polyacrylamide-based resins, poly (meth) acrylic resins, polyethylene oxide-based resins, poly N-vinylpyrrolidone-based resins, water-soluble polyester-based resins, water-soluble polyamide-based resins, water-soluble amino-based resins, water-soluble phenol-based resins, and other water-soluble synthetic resins; water-soluble natural polymers such as polynucleotides, polypeptides, and polysaccharides. Further, for example, modified substances such as natural rubber, synthetic rubber, polyvinyl acetate resin, (meth) acrylic resin, polyvinyl chloride resin, polyurethane-polyacrylic resin, and the like, or mixtures of the above natural rubbers and the like, and other resins can be used. The binder resin may be used alone or in combination of 2 or more.
Examples of the solvent (or dispersion medium) include petroleum organic solvents such as hexane, heptane, octane, toluene, xylene, ethylbenzene, cyclohexane, and methylcyclohexane; ester-based organic solvents such as ethyl acetate, butyl acetate, 2-methoxyethyl acetate, and 2-ethoxyethyl acetate; alcohol-based organic solvents such as methanol, ethanol, n-propanol, isopropanol, isobutanol, ethylene glycol, and propylene glycol; ketone organic solvents such as acetone, methyl ethyl ketone, methyl isobutyl ketone, and cyclohexanone; ether-based organic solvents such as diethyl ether, dioxane, and tetrahydrofuran; chlorine-based organic solvents such as methylene chloride, carbon tetrachloride, trichloroethylene, and tetrachloroethylene; inorganic solvents such as water, and the like. These solvents (or dispersion medium) may be used alone or in combination of 2 or more.
Examples of a printing method for forming the pattern layer include a gravure printing method, an offset printing method, a screen printing method, a flexographic printing method, an electrostatic printing method, an inkjet printing method, and the like. In the case of forming a pattern layer in a full-surface coating form, various coating methods such as a roll coating method, a knife coating method, an air knife coating method, a die coating method, a slit coating method, a comma coating method, a kiss coating method, a flow coating method, and a dip coating method can be cited. Further, a manual drawing method, a flow ink method, a photographic method, a transfer method, a laser beam drawing method, an electron beam drawing method, a partial vapor deposition method of metal or the like, an etching method, or the like may be used, or a combination with another forming method may be used.
The thickness of the pattern layer is not particularly limited, and may be appropriately set according to product characteristics, and the layer thickness is about 0.1 to 15 μm.
(surface protective layer)
The decorative material of the present invention preferably has a surface protective layer on the side having the above-described uneven shape of the decorative material, from the viewpoint of imparting surface physical properties such as abrasion resistance, water resistance, stain resistance, weather resistance, and the like.
The resin forming the surface protective layer preferably contains at least 1 type of curable resin such as a thermosetting resin or an ionizing radiation curable resin, and among these, an ionizing radiation curable resin is more preferred. Further, from the viewpoint of obtaining higher surface hardness, productivity, weather resistance, and the like, the electron beam curable resin is most preferable.
The ionizing radiation-curable resin is not particularly limited as long as it is a resin that undergoes a crosslinking polymerization reaction by irradiation with an ionizing radiation and has a three-dimensional polymer structure.
For example, 1 or more kinds of prepolymers, oligomers, and monomers having a polymerizable unsaturated bond or an epoxy group in the molecule that can be crosslinked by irradiation with ionizing radiation can be used. For example, acrylate resins such as urethane acrylate (e.g., 2-functional ether urethane oligomer, polyfunctional urethane oligomer, etc.), polyester acrylate, epoxy acrylate, etc.; silicone resins such as siloxane; a polyester resin; epoxy resins, and the like.
The ionizing radiation may be visible light, ultraviolet light (near ultraviolet light, vacuum ultraviolet light, etc.), X-ray, electron beam, ion beam, etc., and among them, ultraviolet light and electron beam are preferable.
As the ultraviolet source, a light source such as an ultra-high pressure mercury lamp, a low pressure mercury lamp, a carbon arc lamp, a black light fluorescent lamp, or a metal halide lamp can be used. The wavelength of the ultraviolet light is, for example, about 190 to 380 nm.
As the electron beam source, various electron beam accelerators such as a cockcroft-walton type, a van der graaff type, a resonance transformer type, an insulated core transformer type, a linear type, a denami accelerator type, and a high frequency type can be used.
The energy of the electron beam is preferably about 100 to 1000keV, and more preferably about 100 to 300 keV. The irradiation dose of the electron beam is preferably about 2 to 15 Mrad.
The ionizing radiation-curable resin can be sufficiently cured by irradiation with electron beams, but when it is cured by irradiation with ultraviolet rays, a photopolymerization initiator (sensitizer) is preferably added.
As the photopolymerization initiator, in the case of a resin system having a radical polymerizable unsaturated group, for example, at least 1 of acetophenone, benzophenone, thioxanthone, benzoin methyl ether, michler's benzoyl benzoate, michler's ketone, diphenyl sulfide, dibenzyldisulfide, diethyl sulfide, triphenyl imidazole, isopropyl-N, N-dimethyl aminobenzoate, and the like can be used.
In the case of a resin system having a cation-polymerizable functional group, for example, at least 1 kind of aromatic diazonium salt, aromatic sulfonium salt, metallocene compound, benzoin sulfonate, furanyl sulfoxonium diallyl iodide, and the like can be used.
The amount of the photopolymerization initiator added is not particularly limited, and is, for example, about 0.1 to 10 parts by mass per 100 parts by mass of the ionizing radiation-curable resin.
As a method for forming the surface protective layer using the ionizing radiation-curable resin, for example, a method of applying a solution of the ionizing radiation-curable resin by a coating method such as a gravure coating method or a roll coating method can be cited.
Examples of the thermosetting resin include unsaturated polyester resins, polyurethane resins (including two-pack curable polyurethane), epoxy resins, aminoalkyd resins, phenol resins, urea resins, diallyl phthalate resins, melamine resins, guanamine resins, melamine-urea cocondensated resins, silicone resins, and polysiloxane resins.
The thermosetting resin may contain a curing agent such as a crosslinking agent and a polymerization initiator, and a polymerization accelerator. For example, as the curing agent, isocyanate, organic sulfonate or the like may be added to an unsaturated polyester resin, a polyurethane resin or the like, organic amine or the like may be added to an epoxy resin, and a radical initiator such as peroxide such as methyl ethyl ketone peroxide or azoisobutyronitrile or the like may be added to an unsaturated polyester resin.
Examples of the method for forming the surface protective layer using the thermosetting resin include a method in which a solution of the thermosetting resin is applied by a coating method such as a roll coating method or a gravure coating method, and dried and cured.
The thickness of the surface protection layer is preferably 0.1 to 50 μm, and more preferably 1 to 20 μm.
When the surface protective layer is further provided with scratch resistance and abrasion resistance, an inorganic filler may be added. Examples of the inorganic filler include powdery alumina, silicon carbide, silica, calcium titanate, barium titanate, magnesium pyroborate, zinc oxide, silicon nitride, zirconium oxide, chromium oxide, iron oxide, boron nitride, diamond, silicon carbide, talc, and glass fiber.
The amount of the inorganic filler is about 1 to 80 parts by mass per 100 parts by mass of the ionizing radiation curable resin.
The decorative material of the present invention may be a decorative sheet.
Examples of the decorative sheet include a substrate sheet, a pattern layer, a transparent resin layer, and a surface protective layer, which are laminated in this order in the thickness direction. At this time, the pattern layer is disposed on the substrate sheet.
Hereinafter, the decorative sheet will be described.
(substrate sheet)
The substrate sheet is not particularly limited, and preferably contains a non-halogen thermoplastic resin.
Examples of the non-halogen thermoplastic resin include low-density polyethylene (including linear low-density polyethylene), medium-density polyethylene, high-density polyethylene, ethylene-alpha olefin copolymers, homopolypropylene, polymethylpentene, polybutene, ethylene-propylene copolymers, propylene-butene copolymers, ethylene-vinyl acetate copolymer saponified products, and mixtures thereof, thermoplastic ester resins such as polyethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate-isophthalate copolymers, polycarbonates, polyarylates, acrylic thermoplastic resins such as polymethyl methacrylate, polyethyl acrylate, and polybutyl acrylate, polyamide thermoplastic resins such as nylon-6 and nylon-66, polyamide thermoplastic resins such as polyamide-based thermoplastic resins, polyethylene-vinyl acetate copolymers, and mixtures thereof, Or polyimide, polyurethane, polystyrene, acrylonitrile-butadiene-styrene resin, and the like.
These non-halogen thermoplastic resins may be used alone or in combination of 2 or more. Among them, olefin-based thermoplastic resins are preferable in terms of excellent printing suitability and embossing suitability for the pattern layer and low cost.
The substrate sheet may be colored. In this case, the non-halogen thermoplastic resin may be colored by adding a coloring material (pigment or dye) thereto. As the coloring material, for example, various dyes can be used in addition to inorganic pigments such as titanium dioxide, carbon black, and iron oxide, and organic pigments such as phthalocyanine blue. These may be selected from 1 or 2 or more kinds of known or commercially available materials. The amount of the coloring material to be added may be appropriately set according to the desired color tone or the like.
The substrate sheet may contain various additives such as a filler, a matting agent, a foaming agent, a flame retardant, a lubricant, an antistatic agent, an antioxidant, an ultraviolet absorber, and a light stabilizer, as required.
The thickness of the substrate sheet is not particularly limited, but is preferably 40 to 100. mu.m.
The substrate sheet may be formed in a single layer or a plurality of layers.
(transparent resin layer)
The transparent resin layer is not particularly limited, and colorless transparency, colored transparency, translucency and the like are included. The material of the transparent resin layer is not limited, and preferably contains a non-halogen thermoplastic resin.
Examples of the non-halogen thermoplastic resin include low-density polyethylene (including linear low-density polyethylene), medium-density polyethylene, high-density polyethylene, ethylene-alpha olefin copolymers, homopolypropylene, polymethylpentene, polybutene, ethylene-propylene copolymers, propylene-butene copolymers, ethylene-vinyl acetate copolymer saponified products, and mixtures thereof, thermoplastic ester resins such as polyethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate-isophthalate copolymers, polycarbonates, polyarylates, acrylic thermoplastic resins such as polymethyl methacrylate, polyethyl acrylate, and polybutyl acrylate, polyamide thermoplastic resins such as nylon-6 and nylon-66, polyamide thermoplastic resins such as polyamide-based thermoplastic resins, polyethylene-vinyl acetate copolymers, and mixtures thereof, Or polyimide, polyurethane, polystyrene, acrylonitrile-butadiene-styrene resin, and the like.
These non-halogen thermoplastic resins may be used alone or in combination of 2 or more. Among them, olefin-based thermoplastic resins are preferable in terms of excellent printing suitability and embossing suitability for the pattern layer and low cost.
The transparent resin layer may be colored. At this time, a colorant may be added to the thermoplastic resin. As the colorant, a pigment or dye used in the pattern layer may be used.
The transparent resin layer may contain various additives such as a filler, a matting agent, a foaming agent, a flame retardant, a lubricant, an antistatic agent, an antioxidant, an ultraviolet absorber, a light stabilizer, a radical scavenger, and a soft component (for example, rubber).
The thickness of the transparent resin layer is not particularly limited, but is preferably 90 μm to 300 μm, more preferably 150 μm to 300 μm, and still more preferably 200 μm to 250 μm.
The decorative sheet may further include a transparent adhesive layer, a primer layer, a backing layer, and the like as necessary.
(transparent adhesive layer)
Examples of the transparent adhesive layer include polyurethane, polyvinyl acetate, polyvinyl chloride, a vinyl chloride-vinyl acetate copolymer, an ethylene-acrylic acid copolymer, an ionomer, and butadiene-acrylonitrile rubber, chloroprene rubber, and natural rubber. These binders may be used alone or in combination of 2 or more.
The thickness of the transparent adhesive layer after drying is preferably about 0.1 to 30 μm, more preferably about 1 to 5 μm.
(undercoat layer)
The undercoat layer can be formed by applying a known undercoat agent to the surface of the transparent resin layer. Examples of the primer include a urethane resin-based primer composed of an acrylic-modified urethane resin (acrylic urethane-based resin) or the like, a primer composed of a urethane-cellulose-based resin (for example, a resin obtained by adding hexamethylene diisocyanate to a mixture of urethane and nitrocellulose), and a resin-based primer composed of a block copolymer of acrylic and urethane. Additives may be added to the primer as required. Examples of the additives include fillers such as calcium carbonate and clay, flame retardants such as magnesium hydroxide, antioxidants, lubricants, foaming agents, ultraviolet absorbers, and light stabilizers. The amount of the additive to be blended may be appropriately set according to the product characteristics.
The thickness of the primer layer is not particularly limited, but is, for example, preferably 0.01 to 10 μm, and more preferably 0.1 to 1 μm.
(backing layer)
The backing layer may be a synthetic resin backing layer or a foamed resin backing layer, and is preferably present in the lowermost layer (the side opposite to the side having the uneven shape) of the decorative sheet.
By providing the backing layer, the scratch resistance and impact resistance of the decorative material of the present invention can be further improved.
Examples of the resin constituting the synthetic resin backing layer include polypropylene, ethylene-vinyl alcohol copolymer, polyethylene, polymethylpentene, polyethylene terephthalate, polyalkylene terephthalate having high heat resistance [ for example, polyethylene terephthalate obtained by substituting a part of ethylene glycol with 1, 4-cyclohexanedimethanol, diethylene glycol, or the like, so-called trade name PET-G (available from Eastman Chemical Company) ], polybutylene terephthalate, polyethylene naphthalate-isophthalate copolymer, amorphous polyester (a-PET), polycarbonate, polyarylate, polyimide, polystyrene, polyamide, ABS, and the like. These resins may be used alone or in combination of 2 or more.
The synthetic resin backing layer may contain hollow beads.
The kind, particle size, content and the like of the hollow beads can be applied to the matters described in Japanese patent laid-open No. 2014-188941.
The thickness of the synthetic resin backing layer is not particularly limited, but is, for example, preferably 100 to 600 μm, and more preferably 150 to 450 μm.
Examples of the method for forming the synthetic resin backing layer include calendering, extrusion of molten resin, and the like. Among them, extrusion molding of a molten resin is preferable, and for example, extrusion molding using a T die is more preferable.
The foamed resin backing layer may be present in a layer (opposite to the side having the uneven shape) below the synthetic resin backing layer.
The foamed resin backing layer can be applied to the backing layer described in Japanese patent laid-open publication No. 2014-188941.
The method for producing the decorative sheet is not particularly limited, and examples thereof include a method in which the above layers are laminated via the above transparent adhesive layer, primer layer, or the like.
The decorative material of the present invention may be a decorative sheet.
The decorative sheet may be, for example, a structure in which at least a support, a pattern layer, and a surface protective layer are sequentially laminated in the thickness direction. In this case, the pattern layer is provided on the support.
Hereinafter, the decorative sheet will be explained.
(support body)
The support is not particularly limited, and various kinds of paper, plastic film, woody plate such as wood, ceramic industrial material, and the like can be appropriately selected according to the application. These materials may be used alone, or may be a laminate of any combination, such as a composite of paper and plastic film.
The paper may be tissue paper, kraft paper, or titanium white paper. These paper substrates may further contain a resin (resin impregnation after paper making or internal filling during paper making) such as an acrylic resin, styrene butadiene rubber, melamine resin, or urethane resin in order to reinforce the strength between fibers or other layers of the paper substrate and the paper substrate or to prevent fluffing. For example, the paper may be reinforced paper or impregnated paper.
Further, there are various papers used in many building material fields, such as a cotton linter paper, a board paper, a base paper for a gypsum board, and a vinyl wallpaper material having a vinyl chloride resin layer provided on the surface of the paper.
Further, coated paper, art paper, parchment paper, cellophane paper, parchment paper, paraffin paper, japanese paper, and the like used in the office field or general printing, packaging, and the like can be used. In addition, woven or nonwoven fabrics of various fibers having similar appearance and properties to paper, although different from these papers, may also be used as the base material. Examples of the various fibers include inorganic fibers such as glass fibers, asbestos fibers, potassium titanate fibers, alumina fibers, silica fibers, and carbon fibers, and synthetic resin fibers such as polyester fibers, acrylic fibers, and vinylon fibers.
In the case where the paper is impregnated with a thermosetting resin, a conventionally known thermosetting resin can be widely used. Examples of the thermosetting resin include unsaturated polyester resins, polyurethane resins (including two-pack curable polyurethane), epoxy resins, aminoalkyd resins, phenol resins, urea resins, diallyl phthalate resins, melamine resins, guanamine resins, melamine-urea cocondensated resins, silicone resins, and polysiloxane resins.
In this way, a layer obtained by impregnating the paper with a thermosetting resin is also referred to as a thermosetting resin layer. Then, the thermosetting resin may finally function as a surface protective layer.
As a method for forming the thermosetting resin layer, for example, when the support has a porous base material, a method for impregnating the porous base material with the thermosetting resin is exemplified.
Impregnation can be performed by supplying the above-described thermosetting resin from either one or both of the front surface side and the back surface side of the porous base material. The method is not particularly limited, and examples thereof include: a method of impregnating a surface of the porous base material on which the release layer is formed or the opposite surface thereof into a bath containing a thermosetting resin; a method of coating a surface of the porous base material on which the release layer is formed, an opposite surface thereof, or both surfaces with a thermosetting resin by a coater such as a kiss coater or a comma coater; and a method of blowing a thermosetting resin onto the surface of the porous base material on which the release layer is formed, the opposite surface thereof, or both surfaces thereof by a pressing device, a shower device, or the like.
Specific examples of the resin constituting the plastic film include polyolefin resins such as polyethylene and polypropylene, vinyl chloride resins, vinylidene chloride resins, phenol resins, vinyl alcohol resins, vinyl resins such as ethylene-vinyl alcohol copolymers, polyester resins such as polyethylene terephthalate and polybutylene terephthalate, acrylic resins such as polymethyl methacrylate, polymethyl acrylate and polyethyl methacrylate, polystyrene, acrylonitrile-butadiene-styrene copolymers (ABS resins), cellulose triacetate, and polycarbonate. Among these, polyolefin resins, vinyl chloride resins, polyester resins, and acrylic resins are preferable from the viewpoints of various physical properties such as weather resistance and water resistance, printability, suitability for molding, cost, and the like.
The thickness of the support is not particularly limited, and when the support is a plastic film, it is preferably 20 to 200 μm, more preferably 40 to 160 μm, and still more preferably 40 to 100 μm.
When the support is paper, the grammage is preferably 20 to 150g/m2More preferably 30 to 100g/m2。
The shape of the support is not limited to a flat plate shape, and may be a special shape such as a three-dimensional shape.
The support may be subjected to an easy adhesion treatment such as a physical treatment or a chemical surface treatment on one or both surfaces thereof in order to improve adhesion to the layer provided on the support.
(phenol resin impregnated paper)
The decorative sheet may be laminated with a phenolic resin impregnated paper as required.
The phenolic resin impregnated paper is laminated on the surface of the porous base material opposite to the side on which the abrasion-resistant layer and the release layer are formed.
The phenolic resin impregnated paper is usually used as a core paper having a grammage of 150 to 250g/m2The paper is produced by impregnating kraft paper with a phenolic resin at an impregnation rate of about 45 to 60% and drying the impregnated kraft paper at about 100 to 140 ℃. The phenolic resin impregnated paper may be any commercially available one. When the phenolic resin impregnated paper is laminated, the back surface of the porous substrate may be subjected to corona discharge treatment or the back surface primer layer may be formed by applying the primer layer as necessary.
(sealing layer)
When a substrate having an impregnation property such as paper is used as the support, a sealing layer may be provided between the support and the pattern layer or between the pattern layer and the surface protective layer.
The sealing layer preferably contains a cured product of a curable resin composition such as a thermosetting resin composition or an ionizing radiation-curable resin composition, and more preferably contains a cured product of a thermosetting resin composition.
The content of the cured product of the curable resin composition is preferably 50% by mass or more, more preferably 65 to 95% by mass, of the total solid content of the sealant layer.
Examples of the thermosetting resin composition and the ionizing radiation-curable resin composition of the sealing layer include those similar to the compositions exemplified for the surface protective layer. The thermosetting resin composition is preferably a two-liquid curable resin of a polyol and an isocyanate, and more preferably a two-liquid curable resin of an acrylic polyol and hexamethylene diisocyanate.
The sealing layer preferably contains particles from the viewpoint of drying suitability and viscosity adjustment. The content of the particles is preferably 5 to 50 mass%, more preferably 5 to 35 mass% of the total solid content of the sealing layer.
The particles of the sealing layer are preferably inorganic particles, and among them, silica is preferable.
The average particle diameter of the particles is preferably 0.1 to 2.0 μm, more preferably 0.2 to 1.5 μm.
From the viewpoint of balance between prevention of impregnation and cost effectiveness, the thickness of the sealing layer is preferably 0.5 to 5 μm, and more preferably 1 to 3 μm.
The decorative sheet may further have a transparent adhesive layer, a primer layer, and the like as necessary. As the transparent adhesive layer and the primer layer, the same layers as those listed in the above-mentioned decorative sheet are suitably applied.
The method for producing the decorative sheet is not particularly limited, and examples thereof include a method in which the above layers are laminated via the above transparent adhesive layer or primer layer.
< attached Material >
Fig. 4 is a cross-sectional view showing an embodiment of laminating the decorative material of the present invention on an adherend.
As shown in fig. 4, the decorative material 10 of the present invention is preferably laminated on the adherend 30 so as to be in contact with the surface opposite to the surface having the uneven shape 11. Examples of the material to be adhered include wooden boards such as wood veneers, wood plywood, particle boards, and MDF (medium density fiberboard); gypsum-based boards such as gypsum boards and gypsum slag boards; cement boards such as calcium silicate boards, asbestos rock boards, lightweight foamed concrete boards, hollow extruded cement boards, and the like; fiber cement boards such as pulp cement boards, asbestos cement boards, and wood cement boards; ceramic plates of pottery, porcelain, tile, glass, enamel, etc.; metal plates such as iron plates, galvanized steel plates, polyvinyl chloride sol-coated steel plates, aluminum plates, and copper plates; thermoplastic resin plates such as polyolefin resin plates, polyvinyl chloride resin plates, acrylic resin plates, ABS plates, styrene resins, and polycarbonate plates; thermosetting resin plates such as phenol resin plates, urea resin plates, unsaturated polyester resin plates, polyurethane resin plates, epoxy resin plates, and melamine resin plates; the resin such as phenol resin, urea resin, unsaturated polyester resin, polyurethane resin, epoxy resin, melamine resin, diallyl phthalate resin, or the like is impregnated and cured in a glass fiber nonwoven fabric, cloth, paper, or other various fibrous substrates to form a composite so-called FRP sheet, and these may be used alone, or 2 or more of these may be laminated to form a composite substrate, and if the resin is a thermoplastic resin, the resin may be foamed.
The thermoplastic resin sheet or the thermosetting resin sheet may contain, as necessary, various additives such as coloring materials (pigments or dyes), fillers such as wood flour or calcium carbonate, matting agents such as silica, foaming agents, flame retardants, lubricants such as talc, antistatic agents, antioxidants, ultraviolet absorbers, and light stabilizers.
The thickness of the material to be adhered is not particularly limited.
The method of laminating the above-mentioned adherend is not particularly limited, and for example, a method of laminating the adherend through the above-mentioned primer layer or laminating the adherend through an adhesive is mentioned.
The adhesive may be appropriately selected from known adhesives according to the type of the material to be adhered. For example, polyvinyl acetate, polyvinyl chloride, vinyl chloride-vinyl acetate copolymer, ethylene-acrylic acid copolymer, ionomer, and the like, and butadiene-acrylonitrile rubber, chloroprene rubber, natural rubber, and the like can be cited.
The decorative material of the present invention is suitably used, for example, as an interior material for buildings such as walls, ceilings, floors, etc.; building materials for window frames, doors, handrails, and the like; furniture; housings for home electric appliances, OA equipment, and the like; exterior materials for door closing, etc. Among them, the water-based polymer composition is more suitable for use as a floor material, and among them, it is most suitable for use as a floor material for kitchens, dressing rooms, and the like, in which water is used.
Examples
The present invention will be described in more detail with reference to examples, but the present invention is not limited to these examples.
(example 1)
As a substrate, a polypropylene sheet having a thickness of 60 μm was prepared, both surfaces of the substrate were subjected to corona discharge treatment, and then gravure printing was performed on the front surface (one surface) of the substrate using a printing ink composed of an acrylic-urethane resin to form a pattern layer (a stone pattern). Further, an undercoat layer is formed on the back surface of the substrate.
Next, a urethane resin adhesive was applied onto the pattern layer so that the thickness after drying became 3 μm, thereby forming a transparent adhesive layer.
Next, a polypropylene resin was heated, melted and extruded by a T-die extruder on the transparent adhesive layer, and a transparent resin layer made of polypropylene was formed to a thickness of 80 μm.
Thereafter, the surface of the transparent resin layer was subjected to corona discharge treatment, and then coated with a coating solution containing a resin composition containing a resin component composed of a urethane acrylic copolymer so that the coating amount reached 7g/m2And forming a base coat. The coating liquid is obtained by mixing a resin composition containing a resin component made of a urethane acrylic copolymer and isocyanate (curing agent) at a mass ratio of 100 to 6. The thickness of the undercoat layer formed by applying the coating liquid described above on the transparent resin layer was about 2 μm.
Thereafter, as an ionizing radiation curable resin composition, 1 part by mass of a reactive triazine compound as an ultraviolet absorber was contained in 100 parts by mass of a mixture of a 2-functional ether urethane oligomer and a polyfunctional urethane oligomer, and a coating film was formed by a gravure coating method. Thereafter, the coating film was crosslinked and cured by irradiating the film with electron beams under the conditions of 175keV and 5Mrad (50kGy), thereby forming a surface protective layer (15 g/m)2)。
Finally, the surface protective layer is embossed by a rotary embossing machine to obtain a sheet-like decorative material having a concavo-convex shape formed on the surface.
Thereafter, an adherend (MDF, thickness 2.5mm) was prepared, and an aqueous two-pack curing adhesive (BA-10) was applied to one surface of the adherend at 80g/m2The adhered material was adhered to the surface of the obtained decorative sheet having the base sheet in contact therewith, and the sheet was aged at 25 ℃ for 3 days (load: 100 kg/m)2)。
(examples 2 to 6 and comparative examples 1 to 2)
The same procedure as in example 1 was repeated, except that the embossing plate was replaced to obtain the uneven shape shown in table 1.
(examples 7 to 8)
Mixing white titanium paper ('KW-1002P' (commercial)Brand name) ", manufactured by KJ special paper co, grammage: 100g/m2) As a base paper, gravure printing was performed on the surface of the base paper using a printing ink composed of a polyurethane-cellulose resin to form a pattern layer (a stone pattern). Further, on the pattern layer, a liquid uncured composition of a thermosetting resin comprising 60 parts by mass of a melamine formaldehyde resin, 35 parts by mass of water and 5 parts by mass of isopropyl alcohol was impregnated into the base paper using an impregnation device for impregnation so that the uncured composition became 80g/m2The resulting resin composition was dried at the ratio (at the time of drying) to obtain an impregnated decorative sheet.
The obtained impregnated decorative sheet was laminated on 3 sheets of kraft paper impregnated with a resin solution of phenolic resin and having a grammage of 245g/m2The phenolic resin of (2) is impregnated on a core paper (Taitian core, manufactured by Taitian industries Co., Ltd.).
The laminate was sandwiched between an embossing plate and a mirror plate, and the pressure was set to 100kg/cm using a hot press2And a molding temperature of 150 ℃ for 10 minutes, and heat-curing the uncured composition to form a cured resin containing a melamine resin.
A decorative material was obtained by forming an uneven shape in the same manner as in example 1, except that the embossing plate was replaced to obtain the uneven shape shown in table 1, and then the decorative material was attached to an adherend in the same manner as in example 1, which was defined as examples 7 and 8.
(reference example 1)
A floor sheet having a wood grain pattern with the concave-convex shape described in table 1 was used.
< void volume of valley (Vvv) and void volume of center (Vvc) >)
The decorative material and the floor sheet in examples, comparative examples, and reference examples were measured for the void volume (Vvv) of the valley portion and the void volume (Vvc) of the center portion using a 3D shape measuring machine (product name: Oneshot 3D profilometer measuring head "VR-3100", controller "VR-3000", manufactured by keyence ltd.) under the following conditions, and the volume (Vvv + Vvc) was obtained.
(measurement conditions)
The number of times of measurement: n-5 (arbitrary 5 dots)
Measurement mode: ultra-precision mode
Measuring direction: two sides
Brightness adjustment: automatic (80)
Measurement magnification: 12 is rich
Measurement area: 18mm x 24mm
Each measurement adjusts focus according to the focus guide.
The void volume (Vvv) of the valley portion and the void volume (Vvc) of the center portion are calculated from the function (volume) parameters by an analysis program (VR-H2A, manufactured by kirnshi limited).
Wherein the function (volume) parameter is calculated using a load curve (a curve indicating a height of a load area ratio from 0% to 100%), the void volume (Vvv) of the valley portion is a value for calculating a void volume in a range of a load area ratio of 80% or more, and the void volume (Vvc) of the center portion is a value for calculating a void volume in a range of a load area ratio of 10% or more and less than 80%.
< ten point roughness average (RzJ) and arithmetic roughness average (Ra) >
The decorative material and the floor sheet in examples, comparative examples and reference examples were measured for ten-point average roughness (RzJ) and arithmetic average roughness (Ra) using a surface roughness measuring machine ("SURFCOM-FLEX-50A", manufactured by tokyo precision co.
(measurement conditions)
The number of times of measurement: n-5 (arbitrary 5 dots)
Calculating a standard: JIS' 01
The measurement types are as follows: roughness measurement
Evaluation length: 40.00mm
The intercept value is as follows: 8.00mm
Measuring speed: 1.50mm/s
When the uneven shape has directionality, the measurement is performed perpendicular to the flow direction.
Average Length of roughness motif (AR) > <
The average length (AR) of the roughness motif was measured using a surface roughness measuring machine ("SURFCOM-FLEX-50A", manufactured by tokyo precision co., ltd.) for the decorative material and the floor sheet in the examples, the comparative examples, and the reference examples under the following conditions.
(measurement conditions)
The number of times of measurement: n-5 (arbitrary 5 dots)
Calculating a standard: CNOMO
The measurement types are as follows: determination of cross section
Evaluation length: 16.00mm
Measuring speed: 0.60mm/s
λ s filter: 8.00 mu m
And (3) motif calculation: LIMIT A0.5 mm and LIMIT B2.5 mm
When the uneven shape has directionality, the measurement is performed perpendicular to the flow direction.
< irregularity and continuity of irregular shape >
The decorative material and the floor sheet in examples, comparative examples, and reference examples were observed at 5 arbitrary positions (18mm × 24mm) under the same measurement conditions as those of the void volume (Vvv) of the valley portion and the void volume (Vvc) of the center portion described above, using a 3D shape measuring machine (product name: Oneshot 3D profilometer measuring head "VR-3100", controller "VR-3000", manufactured by keyence limited).
The number of the protrusions (islands) and the area occupied by the protrusions (islands) and the recesses (valleys) were determined by using, as the protrusions (islands), a region having a ratio to the highest point in a range of 62.5% to 100%, and using, as the recesses (valleys), a region having a ratio of the surface height to the highest point in a range of 0% to less than 62.5%. The number of projections (islands) was counted at any 5 points (18mm × 24mm) and the average value was obtained.
Irregularity and continuity of the concave-convex shape are judged according to the following criteria.
(irregularity of irregularity)
+: the area ratio of the projections (islands) to the recesses (valleys) or the number of projections (islands) is not fixed
-: the area ratio of the projections (islands) to the recesses (valleys) or the number of projections (islands) is fixed
(continuity of the concave-convex shape)
+: the area of the continuous recessed portions (valleys) is 90% or more with respect to the total area (100%) of the recessed portions (valleys) in the observed region
-: the area of successive recesses (valleys) is less than 90% relative to the total area (100%) of the recesses (valleys) in the observed region
< evaluation of grip Strength >
Samples (300 mm. times.300 mm) of examples, comparative examples and reference examples were prepared.
(dried state)
The sliding state of the test subject when the bare foot was walking on the sample (the side having the uneven shape) was evaluated according to the following criteria.
(Wet State)
20mL (milliliter) of water was spread over the surface (the side having the irregularities) of the sample, and the sliding state of the test person when walking with the bare foot on this portion was evaluated according to the following criteria.
The average score of 10 test subjects shown in table 2 below was defined as the evaluation score, and 3 or more of the following evaluation criteria was defined as pass. The evaluation results are shown in Table 3.
(evaluation criteria)
5: it is not slippery.
4: is basically not slippery.
3: slightly slippery but not dangerous.
2: somewhat slippery and feeling dangerous.
1: slippery and dangerous.
[ Table 2]
< evaluation of scavenging carbon Black >
Samples (100 mm. times.100 mm) of examples, comparative examples and reference examples were prepared.
On the surface of the sample having the uneven shape, 0.2g of carbon black powder (powder for testing JIS Z8901) was applied over the entire surface.
Thereafter, the surface of the sample was wiped with a melamine sponge (manufactured by Gekiochikun, LEC, inc.) for 15 seconds while rinsing with a water stream (JIS standard faucet 13(1/2), 30 mL/sec) to visually evaluate the carbon black remaining on the surface of the sample, and 3 or more of the following evaluation criteria was acceptable. The evaluation results are shown in Table 3.
(evaluation criteria)
4: the carbon black was completely removed.
3: carbon black remained in the recesses, but was removed by additional washing for 15 seconds.
2: carbon black remained in the recesses, but was removed by additional cleaning for 15 seconds or more.
1: carbon black remained in the concave portion and could not be removed.
< JAS Special plywood "pollution A test")
The decorative materials and floor pieces in examples, comparative examples and reference examples were subjected to a stain resistance test according to the JAS special plywood "stain a test" and evaluated according to the following criteria, 2 or more of which was a pass. The evaluation results are shown in Table 3.
Further, as contaminants, Blue ink for daily office use (pen ink Blue, manufactured by bella corporation) and red crayon (Craypas red, manufactured by sakura color pen corporation) were used.
(evaluation criteria)
3: the pollutants are completely removed
2: slight residue of contaminants in the recess
1: the contaminant remains in the recess
The decorative materials in the examples were confirmed to be excellent not only in slip resistance when dry but also in slip resistance when wet with water.
In particular, the concavo-convex shape is continuous, and the volume (Vvv + Vvc) is 55mL/m2The finishing materials of examples 1 to 3, in which the ten-point average roughness (RzJ) was 70 μm to 200 μm, the arithmetic average roughness (Ra) was 13 μm to 30 μm, and the average length (AR) of the roughness motif was 1.00mm or more, were also particularly excellent in cleanability.
Further, the decorative material in the examples has irregular concave and convex shapes, and therefore, even if a stone pattern is used as the pattern layer, no uncomfortable feeling is generated.
On the other hand, the comparative example and the reference example were significantly reduced in the grip performance in the wet state.
Further, example 4 having an arithmetic average roughness (Ra) of 47.7 μm requires a longer time than the other examples in the JAS Special plywood "stain A test" in order to completely remove the contaminant matter.
In addition, in reference example 1, since the uneven shape is not a continuous shape, the cleaning property is significantly deteriorated.
Industrial applicability of the invention
According to the present invention, there is provided a decorative material which is excellent not only in slip resistance when dry but also in slip resistance when wet with water, and which is also excellent in design properties. The decorative material of the present invention is suitably used, for example, as an interior material of a building such as a wall, a ceiling, a floor, or the like; building materials for window frames, doors, handrails, and the like; furniture; housings for home electric appliances, OA equipment, and the like; exterior materials for door closing, etc. Among them, the water-based polymer composition is more suitable for use as a floor material, and among them, it is most suitable for use as a floor material for kitchens, dressing rooms, and the like, in which water is used.
Description of the symbols
10: decorating materials; 11: a concavo-convex shape; 20: a pattern layer; 30: the attached material.
Claims (7)
1. A decorative material is characterized in that:
has a pattern layer, a first electrode and a second electrode,
the decorative material has an irregular concavo-convex shape on one surface thereof,
a volume Vvv + Vvc of the concavo-convex shape, which is represented by the sum of a void volume Vvv of valley portions and a void volume Vvc of a central portion measured by a 3D shape measuring machine, is 15mL/m2The above.
2. The trim material of claim 1, wherein:
the concavo-convex shape is a continuous shape.
3. The decorating material as claimed in claim 1 or 2, wherein:
the volume Vvv + Vvc is 55mL/m2The following.
4. The upholstery material as claimed in claim 1, 2 or 3, wherein:
the roughness of the surface of the substrate is 70 to 200 [ mu ] m in terms of ten-point average roughness RzJ defined by JIS B0601 (2001).
5. The trim material of claim 1, 2, 3 or 4, wherein:
the roughness has an arithmetic average roughness Ra defined by JIS B0601 (2001) of 13-30 [ mu ] m.
6. The trim material of claim 1, 2, 3, 4 or 5, wherein:
the average length AR of the roughness motif defined by CNOMO of the concave-convex shape is more than 1.00 mm.
7. The trim material of claim 1, 2, 3, 4, 5 or 6, wherein:
the decorative material has a surface protective layer on the side having the uneven shape.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019-017225 | 2019-02-01 | ||
| JP2019017225 | 2019-02-01 | ||
| PCT/JP2020/003654 WO2020158921A1 (en) | 2019-02-01 | 2020-01-31 | Decorative material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113382854A true CN113382854A (en) | 2021-09-10 |
Family
ID=71841111
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080011230.1A Pending CN113382854A (en) | 2019-02-01 | 2020-01-31 | Decorative material |
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| Country | Link |
|---|---|
| KR (1) | KR20210124264A (en) |
| CN (1) | CN113382854A (en) |
| WO (1) | WO2020158921A1 (en) |
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| WO2023249081A1 (en) * | 2022-06-24 | 2023-12-28 | Ｔｏｐｐａｎホールディングス株式会社 | Decorative sheet |
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| JPH03129062A (en) * | 1989-10-14 | 1991-06-03 | Matsushita Electric Works Ltd | Slip preventing floor member and manufacturing method therefor |
| CN2621947Y (en) * | 2003-06-27 | 2004-06-30 | 上海金禧木业有限公司 | Combined wood decorative veneer member with raised grain |
| CN1715593A (en) * | 2004-06-29 | 2006-01-04 | 可丽娜株式会社 | Bathroom floor |
| CN102920370A (en) * | 2011-08-12 | 2013-02-13 | 好生态住宅科技有限公司 | Bathtub |
| CN102926520A (en) * | 2011-08-12 | 2013-02-13 | 好生态住宅科技有限公司 | Bathroom floor forming part |
| CN103813900A (en) * | 2011-09-21 | 2014-05-21 | 乐金华奥斯株式会社 | Anti-slip vinyl flooring and method for manufacturing same |
| TW201520322A (en) * | 2013-07-31 | 2015-06-01 | 3M Innovative Properties Co | Anti-slip sheet to be used around water |
| JP2016089472A (en) * | 2014-11-05 | 2016-05-23 | 住江織物株式会社 | Floor material for use in wet area excellent in skid-proof capacity, readily drying property and pollution resistance |
| JP2018003521A (en) * | 2016-07-06 | 2018-01-11 | 東リ株式会社 | Floor material |
| CN108345195A (en) * | 2017-01-23 | 2018-07-31 | 住友橡胶工业株式会社 | Charging roller and its manufacturing method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6064335B2 (en) | 2012-02-15 | 2017-01-25 | 凸版印刷株式会社 | Laminate for floor surface |
| JP6889832B2 (en) * | 2017-01-23 | 2021-06-18 | 住友ゴム工業株式会社 | Charging roller and its manufacturing method |
-
2020
- 2020-01-31 CN CN202080011230.1A patent/CN113382854A/en active Pending
- 2020-01-31 KR KR1020217025688A patent/KR20210124264A/en not_active Application Discontinuation
- 2020-01-31 WO PCT/JP2020/003654 patent/WO2020158921A1/en active Application Filing
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03129062A (en) * | 1989-10-14 | 1991-06-03 | Matsushita Electric Works Ltd | Slip preventing floor member and manufacturing method therefor |
| CN2621947Y (en) * | 2003-06-27 | 2004-06-30 | 上海金禧木业有限公司 | Combined wood decorative veneer member with raised grain |
| CN1715593A (en) * | 2004-06-29 | 2006-01-04 | 可丽娜株式会社 | Bathroom floor |
| CN102920370A (en) * | 2011-08-12 | 2013-02-13 | 好生态住宅科技有限公司 | Bathtub |
| CN102926520A (en) * | 2011-08-12 | 2013-02-13 | 好生态住宅科技有限公司 | Bathroom floor forming part |
| CN103813900A (en) * | 2011-09-21 | 2014-05-21 | 乐金华奥斯株式会社 | Anti-slip vinyl flooring and method for manufacturing same |
| TW201520322A (en) * | 2013-07-31 | 2015-06-01 | 3M Innovative Properties Co | Anti-slip sheet to be used around water |
| JP2016089472A (en) * | 2014-11-05 | 2016-05-23 | 住江織物株式会社 | Floor material for use in wet area excellent in skid-proof capacity, readily drying property and pollution resistance |
| JP2018003521A (en) * | 2016-07-06 | 2018-01-11 | 東リ株式会社 | Floor material |
| CN108345195A (en) * | 2017-01-23 | 2018-07-31 | 住友橡胶工业株式会社 | Charging roller and its manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2020158921A1 (en) | 2021-12-02 |
| KR20210124264A (en) | 2021-10-14 |
| WO2020158921A1 (en) | 2020-08-06 |
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