WO2021167050A1 - 化粧材、積層体及び化粧材の製造方法 - Google Patents

化粧材、積層体及び化粧材の製造方法 Download PDF

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Publication number
WO2021167050A1
WO2021167050A1 PCT/JP2021/006282 JP2021006282W WO2021167050A1 WO 2021167050 A1 WO2021167050 A1 WO 2021167050A1 JP 2021006282 W JP2021006282 W JP 2021006282W WO 2021167050 A1 WO2021167050 A1 WO 2021167050A1
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WIPO (PCT)
Prior art keywords
region
decorative material
layer
convex
resin
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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.)
Ceased
Application number
PCT/JP2021/006282
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English (en)
French (fr)
Japanese (ja)
Inventor
貴郁 海田
田中　裕二
友樹 青山
享一 佐藤
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Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing Co Ltd
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Filing date
Publication date
Application filed by Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to CN202180013882.3A priority Critical patent/CN115066328B/zh
Priority to US17/800,186 priority patent/US11931987B2/en
Publication of WO2021167050A1 publication Critical patent/WO2021167050A1/ja
Anticipated expiration legal-status Critical
Priority to US18/584,606 priority patent/US12420526B2/en
Ceased legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0871—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having an ornamental or specially shaped visible 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/12—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of metal or with an outer layer of metal or enameled metal
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/16—Flooring, e.g. parquet on flexible web, laid as flexible webs; Webs specially adapted for use as flooring; Parquet on flexible web
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/30—Particles characterised by physical dimension
    • B32B2264/303—Average diameter greater than 1µm
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/50—Particles characterised by their position or distribution in a layer
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B32B2307/4026—Coloured within the layer by addition of a colorant, e.g. pigments, dyes
    • 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
    • B32B2451/00—Decorative or ornamental articles
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0866—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements composed of several layers, e.g. sandwich panels or layered panels

Definitions

  • This disclosure relates to a decorative material, a laminate, and a method for manufacturing the decorative material.
  • Decorative materials are widely used for surface decoration of building interiors, building materials, furniture, fittings, building materials, vehicles, home appliances, bathroom products such as unit baths, kitchen products, etc.
  • Such decorative materials include those in which a paper or resin sheet on which a pattern is printed is attached to an adherend base material, and those in which a pattern is formed by printing on the surface of a metal plate such as a steel plate.
  • Patent Document 4 discloses a decorative steel sheet with enhanced design by partially providing a pattern layer made of a resin material containing resin beads on a steel sheet base material.
  • Patent Document 5 discloses a decorative material provided with a pattern printing layer made of a resin containing particles on a base material. The decorative material of Patent Document 5 is provided with a surface having excellent tactile sensation by forming an uneven pattern by a convex portion which is a region provided with a pattern printing layer and a concave portion not provided with a pattern printing layer. Will be done.
  • the present disclosure aims to provide a decorative material having a design having an excellent tactile sensation and visual effect.
  • the present disclosure provides the following [1] to [18].
  • [1] It has a texture region on the base material and has a texture region.
  • the texture region contains a plurality of particles having a particle size of 5 ⁇ m or more and 60 ⁇ m or less, and is composed of a plurality of convex region regions that are independent of each other and a gap region between the convex region regions.
  • a decorative material in which the average diameter of the circumscribed circles of the convex region is 100 ⁇ m or more and 500 ⁇ m or less when the texture region is viewed in a plan view.
  • the decorative material according to any one of [1] to [11], wherein the convex region further contains bright particles.
  • a decorative material is A metallic metal substrate having a first surface and a second surface, A pattern layer having a first surface and a second surface and having a resin binder and a colorant, and arranged so that the second surface side of the pattern layer faces the first surface side of the metal base material.
  • the surface of the decorative material has a textured region whose texture and feel are different from those of the second surface of the metal substrate.
  • the texture area has irregularities and The unevenness includes a first convex region, a second convex region existing at a position away from the first convex region, and a gap region existing between the first convex region and the second convex region.
  • Cosmetic material [14] A laminated body comprising the adherend and the decorative material according to any one of [1] to [13] laminated on the adherend.
  • a method for producing a decorative material which comprises a step of forming a texture region on a base material.
  • the texture region is composed of a convex region independent of each other and a gap region between the convex regions.
  • Each of the convex regions contains a plurality of particles having a particle size of 5 ⁇ m or more and 60 ⁇ m or less.
  • a method for producing a decorative material wherein the average diameter of the circumscribed circles of the convex region is 100 ⁇ m or more and 500 ⁇ m or less when the texture region is viewed in a plan view.
  • the decorative material of the present embodiment has a texture region on a base material, and the texture region contains a plurality of particles having a particle size of 5 ⁇ m or more and 60 ⁇ m or less, and has a plurality of convex regions independent of each other and the convex region. It is composed of a gap region between the partial regions, and the average diameter of the circumscribed circle of the convex region is 100 ⁇ m or more and 500 ⁇ m or less when the texture region is viewed in a plan view.
  • FIG. 1 is a perspective view of a decorative material according to a specific example of the present embodiment.
  • the decorative material 1 has a visible pattern when viewed from the surface side. Further, the decorative material 1 has a visible texture region 10 on the base material on the surface side.
  • the texture region 10 does not have to be provided on the entire surface of the decorative material 1, and may be provided partially. When the texture region 10 is partially provided, in the present embodiment, the region that is not the texture region is referred to as "other region 11".
  • the texture region 10 and the other regions can be distinguished from each other by, for example, the area ratio of the convex region, which will be described later.
  • the texture region 10 is preferably provided with a pattern synchronized with at least a part of the pattern.
  • the area ratio of the texture area in the plane of the decorative material is not particularly limited. In order to impart contrast between the texture region and other regions, the area ratio of the texture region in the plane of the decorative material is preferably 10% or more and 90% or less, more preferably 20% or more and 80% or less, and more preferably 30%. More than 70% is more preferable.
  • the decorative material may have a raised layer on at least a part of the base material and may have a texture region on the surface of the side having the raised layer of the decorative material (FIG. 3).
  • planar view means that the decorative material of the present embodiment is visually recognized in the plane direction from the surface side (surface side) where the texture region is provided.
  • the planes represented in the X-axis direction and the Y-axis direction substantially coincide with the surface of the base material
  • planar view means that the surface of the base material is viewed from the Z-axis direction. Equivalent to.
  • FIG. 2 is a schematic plan view in which the region of reference numeral R in FIG. 1 is enlarged.
  • FIG. 2 is a diagram in which the texture region is observed from the Z-axis direction of the XYZ coordinate system.
  • the surface as shown in FIG. 2 can be observed by using a microscope such as an optical microscope or a scanning electron microscope. That is, FIG. 2 shows the fine structure of the texture region.
  • the textured area can give a tactile sensation to the surface of the decorative material.
  • a plurality of convex regions 20 independent of each other are assembled by a gap.
  • the convex region 20 is a so-called “island region (island)” having a closed curved contour in a plan view.
  • FIG. 2 shows a set of amorphous convex region 20 having a closed curved contour having a protruding portion and an indented portion in a plan view.
  • the region between the plurality of convex regions 20 is referred to as a gap region 30 in the present embodiment.
  • the gap region 30 is a so-called “sea portion” in which a protective layer or a pattern layer, which will be described later, is exposed.
  • the convex regions 20 exist independently of each other.
  • the structure having the island part and the sea part in FIG. 2 is also called a sea island structure.
  • the “sea-island structure” can be referred to as a “phase-separated structure”, the “island” can be referred to as a “continuous phase”, and the “sea part” can be referred to as an “isolated phase”.
  • the above-mentioned "convex region” is defined as a region having a height of 10 or more when the height is measured over the entire texture region and the maximum height is 100 and the minimum height is 0. Further, the above-mentioned "gap region” is defined as a region having a height of less than 10.
  • the convex region 20 may have an irregular shape or may have a fixed shape.
  • the convex region 20 is preferably amorphous in order to enhance the texture as a natural object.
  • the "atypical convex region" can also be expressed as a shape having any of the following characteristics. (1) When the shapes of a plurality of convex regions are not all congruent when viewed in a plan view, and two or more convex regions having different shapes and sizes coexist. All of the convex regions in the texture region may have different shapes and sizes, and may include two or more congruent or similar convex regions.
  • the shape of a plurality of convex regions is different from a relatively monotonous shape such as a regular polygon, a circle, an ellipse, or a cardioid (heart shape).
  • a relatively monotonous shape such as a regular polygon, a circle, an ellipse, or a cardioid (heart shape).
  • the "fixed shape” refers to a relatively monotonous shape such as a regular polygon, a circle, an ellipse, or a cardioid (heart shape) when viewed in a plan view.
  • the “fixed-shaped convex region” means a case where all of the plurality of convex regions have a congruent shape when viewed in a plan view.
  • Each of the convex region 20 contains a plurality of particles 21 having a particle size of 5 ⁇ m or more and 60 ⁇ m or less, and is in a state of being aggregated in a plane and further in a state of being aggregated in the thickness direction, in the convex region 20. exist.
  • the convex region 20 is viewed in a plan view, as shown by reference numeral A in FIG. 2, two or more particles having a particle size of 5 ⁇ m or more and 60 ⁇ m or less are not aggregated (for example, in a continuous resin island portion). There can also be one in which only one particle is present).
  • Such a region is not referred to as a "convex region" in the present embodiment, but it is allowed to exist within a range that does not hinder the effect to be achieved and the solution of the problem of the present embodiment.
  • FIG. 3 is a schematic cross-sectional view of a portion where a texture region is provided in the decorative material according to a specific example of the present embodiment. That is, FIG. 3 is a schematic cross-sectional view when the texture region of the decorative material illustrated in FIG. 1 is cut in the Z-axis direction.
  • a primer layer 3 in the texture region, a primer layer 3, a base coat layer 4, a pattern layer 5, a protective layer 6, a raised layer 7, and a surface coat layer 8 are provided on the base material 2 in this order.
  • the raised layer 7 forms a texture region on the surface of the decorative material on the side having the raised layer. It is preferable that the other regions are not substantially provided with a raised layer.
  • the particles of the convex region 20 are present on the protective layer 6 (or the pattern layer 5), and the particles 21 are coated with the binder resin 22.
  • the surface of the convex region 20 has a concavo-convex shape that roughly follows the surface shape of the particles. That is, the texture region has irregularities (relatively large irregularities) caused by a plurality of convex regions 20 provided in a pattern and irregularities (relatively small irregularities) caused by particles 21 on the surface of each convex region 20. There is. An excellent tactile sensation can be obtained by combining these two irregularities. Further, in FIG.
  • the texture region has a gap region between the convex region 20. Due to the gap region and the large unevenness described above, a contrast between a weak tactile sensation and a strong tactile sensation is generated, and an excellent tactile sensation can be obtained.
  • the decorative material of the present embodiment can obtain an excellent tactile sensation.
  • the decorative material has other regions, it is possible to create a difference in glossiness between the texture region in which the convex region exists and the other region in which the convex region does not exist. Further, even within the texture region, a gloss difference occurs between the minute region between the convex region and the gap region. As a result, an excellent visual effect (so-called gloss matte effect) can be obtained even when compared with the above-mentioned Patent Documents 4 and 5.
  • the average height of the convex region 20 is preferably 10 ⁇ m or more and 60 ⁇ m or less, more preferably 15 ⁇ m or more and 45 ⁇ m or less, and further preferably 20 ⁇ m or more and 35 ⁇ m or less.
  • FIG. 4 is a plan enlarged schematic view of the texture region, which is the same as FIG. 2.
  • the circumscribed circle of the convex region 20-1 is the circle represented by the reference numeral C1.
  • the diameter of the circumscribed circle C1 is indicated by the arrow of reference numeral d1.
  • the circumscribed circle of the convex region 20-2 is the circle represented by the reference numeral C2.
  • the diameter of the circumscribed circle C2 is indicated by the arrow of reference numeral d2.
  • the average diameter of the circumscribed circles of the convex region 20 in the entire texture region is defined as "average diameter d".
  • the average diameter d of the circumscribed circle of the convex region 20 is 100 ⁇ m or more and 500 ⁇ m or less.
  • the average diameter d is preferably 150 ⁇ m or more and 350 ⁇ m or less, and more preferably 200 ⁇ m or more and 250 ⁇ m or less.
  • the convex region 20 is dense to some extent in the texture region.
  • the area ratio of the convex region 20 in the texture region is preferably 20% or more and 70% or less in the range of 1 cm square.
  • the 1 cm square is a regulation that takes into consideration the contact area of the finger when touching the decorative material.
  • the area ratio is more preferably 25% or more and 60% or less, and further preferably 30% or more and 50% or less.
  • the rest of the convex region 20 in the texture region is a gap region.
  • the area ratio of the gap region in the texture region is preferably 30% or more and 80% or less, more preferably 40% or more and 75% or less, and 50% or more and 70% or less in the range of 1 cm square. More preferred.
  • the decorative material of the present embodiment may have other regions (regions other than the texture region). It is preferable that the other regions and the texture region have different tactile sensations and glosses.
  • the area ratio of the convex region in the other region is preferably less than 20% in the range of 1 cm square, and more preferably 10% or less. It is preferably 5% or less, more preferably 3% or less, more preferably 1% or less, and even more preferably 0%.
  • the area ratio of the convex region is a value obtained by image analysis of an optical micrograph (magnification: 300 times), and is an average value obtained by measuring 10 points in the texture region and other regions.
  • the other region does not substantially contain particles having a particle size of 5 ⁇ m or more.
  • the area ratio in which particles having a particle size of 5 ⁇ m or more are present is preferably 3% or less, more preferably 1% or less, and 0.3% or less. Is more preferable, and 0% is more preferable.
  • G60A / G60B is preferably 0.8 or less, preferably 0.6 or less. Is more preferable, and 0.5 or less is more preferable.
  • the decorative material of the present embodiment the entire texture region 10, the average of d ave of the diameter of the circumscribed circle of the raised region 20 adjacent the pair in a plan view, next to a set
  • D the distance between the centers of the matching circumscribed circles
  • the above dave and D will be described with reference to FIG.
  • the center-to-center distance D is the distance between the arrows of the two-dot dashed line.
  • a large D / dave means that the distance between adjacent convex regions is large, indicating that the convex regions are sparsely distributed.
  • the upper limit of D / dave is preferably 5.5, more preferably 5.0, and even more preferably 4.5.
  • D / dave indicates that Hodototsu region D / d ave is small are concentrated.
  • D / dave ⁇ 1 depending on the shape of the convex region, the overlapping region becomes large when a part of the adjacent convex regions is viewed in a plan view.
  • the convex regions are geometrically overlapped to form one region.
  • the lower limit of D / dave is preferably 0.5 as described above. It is more preferable that the set of adjacent convex regions in which D / dave satisfies the above range is 95% or more of all combinations.
  • the shortest distance between adjacent convex regions is preferably 50 ⁇ m or more and 120 ⁇ m or less, more preferably 60 ⁇ m or more and 110 ⁇ m or less, and further preferably 70 ⁇ m or more and 100 ⁇ m or less.
  • the convex regions are densely packed in the texture region, and a good tactile sensation can be obtained.
  • the "adjacent convex region” is defined as follows.
  • FIG. 5 with respect to the enlarged plan schematic view of the texture region shown in FIG. 2, the center B of the circumscribed circle of the convex region 20 and the island portion A that was not regarded as the convex region was obtained, and the center B was further determined.
  • Voronoi tessellation is to find the perpendicular bisectors of adjacent matrix points for a plurality of matrix points distributed in a plane, and to partition the plane into cellular regions using the obtained vertical bisectors.
  • the texture region is divided into cellular regions with the center B of the circumscribed circle of each convex region 20 as the “mother point”. Then, when the two cellular regions corresponding to the arbitrarily extracted convex regions have a common boundary line (Voronoi boundary), it is defined as "the convex regions are adjacent to each other".
  • the convex region 20 can be formed by using, for example, an ink (ink for the convex region) made of a resin composition containing particles and a binder resin.
  • the "ink for the convex region” may be referred to as the "ink for the raised layer”.
  • binder resin in the convex region 20 examples include urethane-based resin, acrylic polyol-based resin, acrylic-based resin, ester-based resin, amide-based resin, butyral-based resin, styrene-based resin, urethane-acrylic copolymer, and polycarbonate-based resin.
  • Urethane-acrylic copolymer (urethane-acrylic copolymer derived from a polymer (polycarbonate polyol) having a carbonate bond in the main polymer chain and two or more hydroxyl groups at the terminal and side chains), vinyl chloride-vinyl acetate Resins such as copolymer resin, vinyl chloride-vinyl acetate-acrylic copolymer resin, chlorinated propylene resin, nitrocellulose resin (nitrified cotton), cellulose acetate resin, and fluorine resin are preferably mentioned. It can be used alone or in combination of two or more.
  • Examples of the particles contained in the convex region 20 include organic fillers such as acrylic resin, urethane resin, nylon resin, polypropylene resin, and urea resin. Especially acrylic from the viewpoint that the heat resistance is good, the particles are hard to be buried in the lower layer after the baking process, so it is easy to maintain the height, the particles are agglomerated, and the average diameter of the circumscribed circle in the convex region is likely to be in the above range. Resin is preferred.
  • the particle size of the particles 21 is 5 ⁇ m or more and 60 ⁇ m or less. If the particles are less than 5 ⁇ m, a sufficient tactile sensation cannot be obtained.
  • the particles are preferably 10 ⁇ m or more, more preferably 30 ⁇ m or more.
  • the particles are larger than 60 ⁇ m, the particles are likely to fall off and the texture region has a poor tactile sensation.
  • the particle size is preferably 50 ⁇ m or less, more preferably 40 ⁇ m or less.
  • the particle size of various particles is 50% particle size (d50: median size) when the particle size distribution measured by a dynamic light scattering method is expressed by a volume cumulative distribution.
  • the content of the particles is preferably 15 parts by mass or more, more preferably 20 parts by mass or more, and further preferably 25 parts by mass or more with respect to 100 parts by mass of the binder resin constituting the convex region 20.
  • the content of the particles is 100 parts by mass of the binder resin from the viewpoint that the particles are surely bound by the binder resin to prevent the particles from falling off and the fluidity of the resin composition is improved to facilitate the forming step.
  • it is preferably 50 parts by mass or less, more preferably 45 parts by mass or less, and further preferably 40 parts by mass or less.
  • the convex region 20 may further contain an inorganic filler.
  • the inorganic filler include silica, clay, heavy calcium carbonate, light calcium carbonate, precipitated barium sulfate, calcium silicate, synthetic silicate and the like.
  • the size of the inorganic filler is preferably 1 ⁇ m or more and 20 ⁇ m or less, more preferably 2 ⁇ m or more and 10 ⁇ m or less, and further preferably 3 ⁇ m or more and 7 ⁇ m or less.
  • the size of the inorganic filler is preferably selected in consideration of the size of the particles and the like so as not to affect the tactile sensation of the particles.
  • the content of the inorganic filler is preferably 1 part by mass or more and 40 parts by mass or less, more preferably 2 parts by mass or more and 30 parts by mass or less, and further preferably 3 parts by mass with respect to 100 parts by mass of the binder resin constituting the convex region 20. It is 25 parts by mass or less.
  • the gloss difference between the texture region and the other region can be increased, and a high-class design can be easily imparted to the decorative material.
  • the ink for the convex region may contain an organic solvent, if necessary.
  • the organic solvent used is not particularly limited, but it is preferable to appropriately select it in consideration of the viscosity of the ink and the evaporation rate of the solvent. Specifically, if the viscosity coefficient of the solvent is too low, the viscosity of the ink becomes low, so that even if agglomerates of particles are formed, the resin is insufficient and the convex region is difficult to be formed, so that a good tactile sensation can be obtained. May be difficult. On the other hand, when a solvent having a high viscosity coefficient is used, the viscosity of the ink becomes high, so that the coatability tends to deteriorate.
  • the convex region is formed by gravure printing, individual cells are formed independently or particles are embedded in the resin, which makes it difficult to obtain a good tactile sensation. Further, if the evaporation rate of the solvent is too slow, it is difficult to form a large convex region, and it is difficult to obtain a good tactile sensation. From the above circumstances, it is possible to obtain a decorative material having a good tactile sensation by selecting an organic solvent having an appropriate viscosity coefficient and evaporation rate.
  • the organic solvent may be one kind, or may be a mixed solvent in which a plurality of kinds are mixed.
  • examples of the organic solvent having a suitable viscosity coefficient include xylene, cyclohexanone, toluene, methyl isobutyl ketone, butyl acetate, methoxypropyl acetate, propylene glycol monomethyl ether propionate (methotate) and the like.
  • examples of the solvent having a high evaporation rate include cyclohexanone.
  • the convex region 20 may further contain brilliant particles. Since the convex region 20 has bright particles, the design of the decorative material can be enhanced. In particular, when a metal base material is used as the base material, the effect of the glittering particles can be further enhanced by the reflection of the metal base material.
  • the glittering particles include metallic pigments composed of metal scales or powders, pearl pigments using a glass base material or a mica base material, pearl pigments such as various other pearl pigments, glass scales, and metals whose surface is coated with a metal thin film. One or more selected from coated glass scales, phosphorescent pigments, hologram glitters can be mentioned.
  • the brilliant particles flake-shaped brilliant particles such as pearl pigments, glass scales, metal-coated glass scales, and metal scales are preferable. Of these, pearl pigments are preferable, and pearl pigments using a glass base material are particularly preferable.
  • the average particle size of the glittering particles may be 5 ⁇ m or more, preferably 20 ⁇ m or more.
  • the average particle size of the brilliant particles may be 80 ⁇ m or less, preferably 60 ⁇ m or less.
  • the average particle size is a value measured by a laser diffraction method.
  • the maximum length of the glittering particles is preferably in the range described later.
  • the maximum length of the flat surface portion is preferably 5 ⁇ m or more and 90 ⁇ m or less, and more preferably 10 ⁇ m or more and 60 ⁇ m or less.
  • the flaky glitter particles preferably have an aspect ratio (maximum length / thickness) of 10 or more and 180 or less of the maximum length and thickness of the flat surface portion.
  • the length of the flake-shaped glittering particles means the maximum length in the plane direction when the particles are observed under a microscope.
  • the thickness of the flake-shaped glittering particles is obtained by dividing the cross-sectional image of the particles obtained by microscopic observation into a plurality of regions with equal lengths in the length direction and averaging the measured values of the thickness of the central portion of each region. Is.
  • a pearl pigment using a glass substrate is specifically particles in which a metal oxide coating layer is formed on a flake-shaped glass substrate.
  • the glass substrate include scaly glass and glass flakes.
  • the metal oxide of the coating layer include titanium oxide and iron oxide.
  • pearl pigments examples include those in which a scaly base such as mica and aluminum is covered with a coating layer made of a metal oxide such as titanium dioxide and ferric oxide.
  • the pearl pigment is not a metal itself but mainly composed of a metal oxide, but is a colorant capable of producing a metallic luster.
  • the pearl pigment any of white pearl pigment, interfering pearl pigment and colored pearl pigment can be used.
  • Examples of the material of the metal scale include metals and alloys such as aluminum, gold, silver, brass, titanium, chrome, nickel, nickel chrome, and stainless steel.
  • the metal-coated glass scales are particles in which a coating layer of a metal thin film is formed on the surface of a flake-shaped or scaly glass substrate.
  • Examples of the glass constituting the glass substrate include soda glass, potash glass, phosphoric acid glass, borosilicate glass, lead glass and the like.
  • Examples of the metal include metals and alloys such as aluminum, gold, silver, brass, titanium, chrome, nickel, nickel chrome, and stainless steel.
  • the content of the brilliant particles is 100 parts by mass of the binder resin from the viewpoint of imparting a high-brightness design due to the brilliant particles and increasing the contrast between the region where the brilliant particles are present and the region where the brilliant particles are not present.
  • it is preferably 3 parts by mass or more, more preferably 10 parts by mass or more, and further preferably 15 parts by mass or more.
  • it is preferably 40 parts by mass or less, preferably 30 parts by mass or less, with respect to 100 parts by mass of the binder resin. More preferably, it is more preferably 20 parts by mass or less.
  • the convex region 20 preferably contains a weather resistant agent such as an ultraviolet absorber and a light stabilizer from the viewpoint of improving the weather resistance.
  • a weather resistant agent such as an ultraviolet absorber and a light stabilizer from the viewpoint of improving the weather resistance.
  • the base material 2 is not particularly limited as long as it is usually used as a decorative material.
  • a resin base material, a metal base material, a ceramic base material, a fibrous base material, a wood base material, and the like can be appropriately selected depending on the intended use.
  • Each of the above base materials may be used alone, or may be a laminated body in any combination.
  • an adhesive layer may be further provided between the respective layers of the laminated body.
  • the resin base material examples include those made of various synthetic resins.
  • synthetic resins polyethylene resin, polypropylene resin, polymethylpentene resin, polyvinyl chloride resin, polyvinylidene chloride resin, polyvinyl alcohol resin, vinyl chloride-vinyl acetate copolymer resin, ethylene-vinyl acetate copolymer resin, ethylene-vinyl Representative of alcohol copolymer resin, polyethylene terephthalate resin, polybutylene terephthalate resin, polyethylene naphthalate-isophthalate copolymer resin, polymethylmethacrylate resin, polyethylmethacrylate resin, butylpolyacrylate resin, nylon 6 or nylon 66, etc.
  • examples thereof include polyamide resins, cellulose triacetate resins, cellophane, polystyrene resins, polycarbonate resins, polyarylate resins, and polyimide resins.
  • the metal base material examples include pure metals composed of a single metal element such as aluminum, iron, copper, and titanium, and alloys such as carbon steel, stainless steel, duralumin, brass, and bronze containing one or more of these metals. And so on. Further, those obtained by plating these metals or the like can also be used. Since the metal base material is excellent in heat resistance, it is preferable because it is resistant to deformation and the like during heat treatment at high temperature (drying after forming the base coat layer and final baking treatment) in the manufacturing method described later. Since the metal base material has the above-mentioned properties, it is possible to easily maintain the shape of the texture region. Further, when the convex region 20 has bright particles, the effect of the bright particles can be further enhanced by the reflection of the metal base material by using the metal base material.
  • the ceramic base material examples include ceramic building materials such as gypsum board, calcium silicate board, and wood piece cement board, ceramics, glass, enamel, and fired tile. Since the ceramic base material is also excellent in heat resistance, it is preferable because it is resistant to deformation and the like during heat treatment at a high temperature in the manufacturing method described later.
  • the fibrous base material for example, paper base materials such as thin paper, kraft paper, titanium paper, linter paper, paperboard, and base paper for gypsum board can be used. These paper substrates are used to increase the interfiber strength between the fibers of the paper substrate or between other layers and the paper substrate, to prevent fluffing, and to further prevent fluffing, such as acrylic resin, styrene-butadiene rubber, melamine resin, and urethane resin.
  • the resin may be added (impregnated with resin after papermaking or internally filled at the time of papermaking).
  • the paper base material to which the resin is added include inter-paper reinforced paper and resin-impregnated paper.
  • a vinyl wallpaper raw fabric or the like in which a vinyl chloride resin layer is provided on the surface of a paper base material can also be used.
  • the fibrous base material although it is distinguished from the above-mentioned paper base material, woven fabrics and non-woven fabrics of various fibers having an appearance and properties similar to paper can also be mentioned.
  • various fibers include inorganic fibers such as glass fiber, asbestos fiber, potassium titanate fiber, alumina fiber, silica fiber and carbon fiber.
  • various fibers include synthetic resin fibers such as polyester fibers, acrylic fibers and vinylon fibers. From the viewpoint of the shapeability of the uneven pattern, these papers are preferably used by laminating with a plastic base material having excellent shapeability.
  • wood-based base material examples include wood veneer, plywood, laminated lumber, particle board, and medium density fiberboard (MDF).
  • MDF medium density fiberboard
  • the thickness of the base material 2 is not particularly limited and can be appropriately set according to the application, required specifications, and the like.
  • the thickness of the base material 2 is preferably 0.2 mm or more and 5 mm or less, and more preferably 0.4 mm or more and 3 mm or less.
  • the primer layer 3 is provided between the base material 2 and the pattern layer 5 as needed.
  • the primer layer 3 plays a role of ensuring good adhesion between the base material 2 and the pattern layer 5.
  • An ink (ink for the primer layer) made of a resin composition containing a binder resin is used for forming the primer layer 3.
  • the primer layer ink may contain a solvent as appropriate.
  • binder resin examples include urethane-based resin, acrylic polyol-based resin, acrylic-based resin, ester-based resin, amide-based resin, butyral-based resin, styrene-based resin, urethane-acrylic copolymer, and polycarbonate-based urethane-acrylic common weight.
  • urethane-acrylic copolymer derived from a polymer (polycarbonate polyol) having a carbonate bond in the polymer main chain and two or more hydroxyl groups in the terminal and side chains
  • vinyl chloride-vinyl acetate copolymer resin Resins such as vinyl chloride-vinyl acetate-acrylic copolymer resin, chlorinated propylene resin, nitrocellulose resin (nitrified cotton), cellulose acetate resin, fluorine resin, etc. are preferably mentioned, and these may be used alone or individually. A plurality of types can be used in combination.
  • isocyanate compounds such as tolylene diisocyanate (TDI), diphenylmethane diisocyanate (MDI), hexamethylene diisocyanate (HDI), isophorone diisocyanate (IPID), and xylylene diisocyanate (XDI).
  • TDI tolylene diisocyanate
  • MDI diphenylmethane diisocyanate
  • HDI hexamethylene diisocyanate
  • IPID isophorone diisocyanate
  • XDI xylylene diisocyanate
  • Various types of resins can be used, such as a two-component curable type with an agent.
  • the type of binder resin can be selected in consideration of the material of the base material 2 and the material of the binder resin of the pattern layer 5 described later.
  • the binder resin of the primer layer is an ester resin (alkyd resin, It is preferable to select epoxy resin, urethane resin, etc.).
  • the primer layer 3 preferably contains a weather resistant agent such as an ultraviolet absorber and a light stabilizer from the viewpoint of improving the weather resistance.
  • a weather resistant agent such as an ultraviolet absorber and a light stabilizer from the viewpoint of improving the weather resistance.
  • the thickness of the primer layer 3 is preferably 1 ⁇ m or more, more preferably 2 ⁇ m or more, and further preferably 3 ⁇ m or more, from the viewpoint of improving the interlayer adhesion and the like.
  • the upper limit of the thickness of the primer layer 3 is preferably 10 ⁇ m or less, more preferably 7 ⁇ m or less, and even more preferably 5 ⁇ m or less.
  • the base coat layer 4 is a layer provided between the substrate 2 and the surface coat layer 8 as needed.
  • the base coat layer 4 can be colored in any color, for example. By coloring the base coat layer in an arbitrary color in this way, the base coat layer can function as a base for the color of the decorative material, and the design of the decorative material can be enhanced.
  • the base coat layer 4 is usually formed as an opaque layer, and plays a role of concealing the substrate 2 and imparting an intended color when viewed from a viewer. However, as the base coat layer 4, a translucent layer or a transparent layer may be formed, and the pattern and color of the substrate 2 may be utilized. The base coat layer can be omitted if necessary.
  • An ink made of a resin composition (ink for the base coat layer) is used for forming the base coat layer 4.
  • the base coat layer ink may contain a solvent as appropriate.
  • the resin used to form the base coat layer 4 is not particularly limited. For example, fluororesin, (meth) acrylic resin, polyurethane resin, polyester resin, polyamide resin, (meth) acrylic acid ester-olefin copolymer resin, vinyl chloride acetate resin, ethylene-vinyl acetate copolymer resin (EVA resin).
  • Thermoplastic resins such as ionomer resin, olefin- ⁇ olefin copolymer resin; fluororesin, epoxy resin, phenol resin, urea resin, polyester resin, melamine resin, alkyd resin, polyimide resin, silicone resin, hydroxyl group functional group acrylic resin. , Carboxy functional group acrylic resin, amide functional copolymer, curable resin such as urethane resin and the like.
  • the curable resin includes a thermosetting resin, an ionizing radiation curable resin, a two-component curable resin, and the like.
  • the base coat layer 4 contains a colorant such as a pigment together with the above-mentioned resin.
  • the colorant blended in the base coat layer 4 is not particularly limited.
  • inorganic pigments such as carbon black, iron black, titanium white, antimony white, titanium yellow, yellow iron, petals, cadmium red, ultramarine blue, cobalt blue
  • organic pigments such as quinacridone red, isoindolinone yellow, phthalocyanine blue or Dyes
  • metallic pigments made of scaly foil pieces such as aluminum and brass
  • titanium dioxide-coated mica pearl pigments made of scaly foil pieces such as basic lead carbonate, and the like.
  • various additives can be added to the base coat layer 4 according to desired physical properties.
  • the additive include a weather resistance improving agent such as an ultraviolet absorber and a light stabilizer, an abrasion resistance improving agent, a polymerization inhibitor, an infrared absorber, a defoaming agent, and a filler.
  • a weather resistance improving agent such as an ultraviolet absorber and a light stabilizer
  • an abrasion resistance improving agent such as an abrasion resistance improving agent
  • a polymerization inhibitor such as an infrared absorber, a defoaming agent, and a filler.
  • the thickness of the base coat layer 4 is not particularly limited and can be appropriately set according to the application, required specifications, and the like.
  • the thickness of the base coat layer 4 is preferably 5 ⁇ m or more and 40 ⁇ m or less, and preferably 10 ⁇ m or more and 30 ⁇ m or less.
  • the pattern layer 5 is a layer provided on the surface side of the base material 2 as needed to impart designability to the decorative material.
  • the pattern layer 5 may be provided on the entire surface of the base material 2 when viewed from the surface side, or may be provided on a part of the base material 2.
  • the pattern of the pattern layer 5 is not particularly limited, and a desired pattern can be used.
  • Examples include (skin grain) patterns, tiled patterns, brickwork patterns, hairlines, perforated grooves, satin finish, grain, letters, symbols, geometric patterns, etc., and patterns such as parquet and patchwork that combine these patterns.
  • the pattern layer 5 may have a one-layer structure or a structure in which a plurality of layers are laminated.
  • the layer on the base material side can be used as the base coat layer to be the base color, and the pattern layer to be the pattern can be laminated on the base coat layer.
  • An ink (ink for the pattern layer) composed of a resin composition containing a binder resin and a colorant is used for forming the pattern layer 5.
  • the ink may contain a solvent as appropriate.
  • binder resin examples include urethane resin, acrylic polyol resin, acrylic resin, polyester resin, alkyd resin, amide resin, butyral resin, styrene resin, urethane-acrylic copolymer, vinyl chloride-vinyl acetate copolymer resin, and chloride.
  • Resins such as vinyl-vinyl acetate-acrylic copolymer resin, nitrocellulose resin (nitrified cotton), cellulose acetate resin, and fluororesin are preferable.
  • a curable resin such as a two-component curable resin using a polyol as a main agent and an isocyanate as a curing agent may be used. These can be used alone or in combination of two or more.
  • the binder resin of the pattern layer 5 is considered to be processable. It is preferable to select a polyester resin.
  • pigments, dyes and combinations thereof can be used.
  • Pigments include white pigments such as titanium white, and inorganic pigments such as iron black, yellow lead, titanium yellow, petals, cadmium red, ultramarine blue, and cobalt blue; quinacridone red, isoindolinone yellow, phthalocyanine blue, and nickel-azo complex.
  • Organic pigments or dyes such as azomethine azo black pigments and perylene black pigments; metal pigments made of scaly foil pieces such as aluminum and brass; pearl luster made of scaly foil pieces such as titanium dioxide-coated mica and basic lead carbonate. Examples include (pearl) pigments.
  • the pattern layer 5 may contain a weather resistant agent such as an ultraviolet absorber and a light stabilizer from the viewpoint of improving the weather resistance.
  • a weather resistant agent such as an ultraviolet absorber and a light stabilizer from the viewpoint of improving the weather resistance.
  • the pattern layer 5 may contain a matting agent from the viewpoint of obtaining a visual effect due to the difference in gloss from the convex region 20.
  • a matting agent organic fillers such as urethane resin, nylon resin, polypropylene resin, or urea resin; silica, clay, heavy calcium carbonate, light calcium carbonate, precipitated barium sulfate, calcium silicate, synthetic silicate.
  • Inorganic fillers such as, and the like.
  • the particle size (volume average particle size) of the matting agent is preferably 1 ⁇ m or more and 15 ⁇ m or less, more preferably 3 ⁇ m or more and 10 ⁇ m or less, and further preferably 3 ⁇ m or more and 7 ⁇ m or less.
  • the content of the matting agent in the pattern layer with respect to 100 parts by mass of the binder resin is preferably 5 parts by mass or more, more preferably 10 parts by mass or more, still more preferably 20 parts by mass or more, and the upper limit is usually 100 parts. It is not less than parts by mass, preferably 80 parts by mass or less, more preferably 50 parts by mass or less, still more preferably 30 parts by mass or less.
  • the pattern layer can be visually recognized as a low-gloss layer, so that the visual effect (gloss matte effect) can be enhanced.
  • the thickness of the pattern layer 5 may be appropriately selected according to the desired pattern.
  • the thickness of the pattern layer 5 is preferably 1 ⁇ m or more, more preferably 3 ⁇ m or more, and further preferably 5 ⁇ m or more.
  • the upper limit of the thickness of the pattern layer 5 is preferably 20 ⁇ m or less, more preferably 10 ⁇ m or less, and further preferably 5 ⁇ m or less.
  • the total thickness of all the layers is within the above range.
  • the protective layer 6 is provided between the pattern layer 5 and the convex region 20 as needed.
  • the protective layer 6 plays a role of protecting, for example, the pattern layer 5.
  • the protective layer 6 may be provided with functions such as weather resistance, stain resistance, and chemical resistance.
  • the protective layer is provided as needed to impart the above-mentioned functions.
  • the protective layer 6 may be provided on the entire surface or a part of the base material 2 when viewed from the surface side.
  • Ink (ink for protective layer) made of a resin composition containing a binder resin is used for forming the protective layer 6.
  • the protective layer ink may contain a solvent as appropriate.
  • binder resin examples include urethane resin, acrylic polyol resin, acrylic resin, polyester resin, alkyd resin, amide resin, butyral resin, styrene resin, urethane-acrylic copolymer, vinyl chloride-vinyl acetate copolymer resin, and chloride.
  • Resins such as vinyl-vinyl acetate-acrylic copolymer resin, nitrocellulose resin (nitrified cotton), cellulose acetate resin, and fluororesin are preferable.
  • a curable resin such as a two-component curable resin using a polyol as a main agent and an isocyanate as a curing agent may be used. These can be used alone or in combination of two or more.
  • the protective layer 6 is preferably more glossy than the convex region 20 for the purpose of improving the visual effect (gloss matte effect) due to the gloss difference from the convex region 20.
  • the protective layer 6 preferably contains a matting agent, if necessary.
  • the matting agent include silica, clay, heavy calcium carbonate, light calcium carbonate, precipitated barium sulfate, calcium silicate, synthetic silicate, and inorganic fillers such as fine silicate powder.
  • the volume average particle size of the matting agent is preferably 1 ⁇ m or more and 20 ⁇ m or less, more preferably 3 ⁇ m or more and 10 ⁇ m or less, and further preferably 3 ⁇ m or more and 7 ⁇ m or less.
  • the content of the matting agent in the protective layer 6 with respect to 100 parts by mass of the binder resin is preferably 1 part by mass or more, more preferably 2 parts by mass or more, still more preferably 5 parts by mass or more, and the upper limit is usually It is 100 parts by mass or less, preferably 80 parts by mass or less, more preferably 50 parts by mass or less, and further preferably 30 parts by mass or less.
  • an excellent visual effect gloss matte effect
  • the protective layer 6 may contain a weather resistant agent such as an ultraviolet absorber and a light stabilizer from the viewpoint of improving the weather resistance.
  • a weather resistant agent such as an ultraviolet absorber and a light stabilizer from the viewpoint of improving the weather resistance.
  • the thickness of the protective layer 6 may be appropriately selected according to a desired pattern.
  • the protective layer 6 is preferably 2 ⁇ m or more, more preferably 4 ⁇ m or more, still more preferably 6 ⁇ m or more.
  • the upper limit of the thickness is preferably 20 ⁇ m or less, more preferably 15 ⁇ m or less, and further preferably 10 ⁇ m or less.
  • a surface coat layer 8 is formed on the outermost surface of the decorative material 1 on the side having the texture region, if necessary, in order to improve durability such as weather resistance, scratch resistance, abrasion resistance, and stain resistance. You may.
  • the surface coat layer is formed on the raised layer, the raised layer and the surface coat layer can form the convex region and the gap region of the texture region.
  • An ink made of a resin composition (ink for the surface coat layer) is used for forming the surface coat layer 8.
  • the surface coat layer ink may contain a solvent as appropriate.
  • the resin used for forming the surface coat layer 8 is not particularly limited. For example, (meth) acrylic resin, polyurethane resin, polyester resin, polyamide resin, (meth) acrylic acid ester-olefin copolymer resin, vinyl chloride acetate resin, ethylene-vinyl acetate copolymer resin (EVA resin), ionomer resin.
  • Olefin- ⁇ olefin copolymer resin Fats and other thermoplastic resins; epoxy resin, phenol resin, urea resin, unsaturated polyester resin, melamine resin, alkyd resin, polyimide resin, silicone resin, hydroxyl group functional acrylic resin, carboxyl functional Examples thereof include sex acrylic resins, amide functional copolymers, urethane resins, fluororesins and the like. These resins may be used alone or in combination of two or more.
  • additives can be blended in the surface coat layer 8 according to desired physical properties.
  • examples of the additive include a weather resistance improver such as an ultraviolet absorber (benzotriazole type ultraviolet absorber, triazine type ultraviolet absorber, etc.), a light stabilizer (hindered amine type radical trapping agent, etc.), and an abrasion resistance improver (silica).
  • a weather resistance improver such as an ultraviolet absorber (benzotriazole type ultraviolet absorber, triazine type ultraviolet absorber, etc.), a light stabilizer (hindered amine type radical trapping agent, etc.), and an abrasion resistance improver (silica).
  • a weather resistance improver such as an ultraviolet absorber (benzotriazole type ultraviolet absorber, triazine type ultraviolet absorber, etc.), a light stabilizer (hindered amine type radical trapping agent, etc.), and an abrasion resistance improver (silica).
  • Alumina, kaolinite and other particles polymerization inhibitors, infrared
  • the thickness of the surface coat layer 8 is preferably 5 ⁇ m or more, more preferably 10 ⁇ m or more, and further preferably 15 ⁇ m or more in order to impart durability and luster to the surface of the decorative material 1. preferable.
  • the upper limit of the thickness of the surface coat layer 8 is preferably 40 ⁇ m or less, more preferably 35 ⁇ m or less, and more preferably 30 ⁇ m or less. It is more preferably 25 ⁇ m or less, and more preferably 20 ⁇ m or less. Further, it is preferable that the upper limit of the thickness of the surface coat layer 8 is within the above range from the viewpoint of facilitating the maintenance of the shape of the raised layer.
  • the decorative material of the present embodiment can specifically exemplify the following laminated structure.
  • the symbol "/" means the boundary of each layer.
  • Base material / Primer layer / Base coat layer / Picture layer / Protective layer / Raised layer / Surface coat layer (2) Base material / Primer layer / Base coat layer / Picture layer / Protective layer / Raised layer (3) Base material / Primer layer / base coat layer / pattern layer / raised layer / surface coat layer
  • the method for producing a decorative material of the present embodiment is a method for producing a decorative material having a step of forming a texture region on a base material.
  • the texture region is composed of a convex region independent of each other and a gap region between the convex regions.
  • Each of the convex regions contains a plurality of particles having a particle size of 5 ⁇ m or more and 60 ⁇ m or less.
  • the average diameter of the circumscribed circles of the convex region is 100 ⁇ m or more and 500 ⁇ m or less.
  • the texture region can be formed by, for example, the following methods (A) and (B).
  • A) The texture region is formed by applying a swelling layer ink on the base material and drying it.
  • B) The texture region is formed by transferring the transfer layer of the transfer sheet having the transfer layer on the peelable substrate onto the substrate.
  • the surface shape of the peelable base material of the transfer sheet preferably has a shape complementary to the shape of the texture region.
  • the transfer layer formed on the peelable substrate having such a shape can have the surface shape after transfer as the shape of the texture region.
  • the primer layer ink is applied onto one surface of a metal plate (base material).
  • the primer layer ink is preferably applied to the entire surface of the metal plate.
  • a coating method roll coating, reverse coating, air spray coating, electrostatic coating, powder coating and the like can be applied.
  • the ink is heated and dried under the conditions of 100 ° C. or higher and 300 ° C. or lower to form a primer layer.
  • Base coat layer forming step Ink for the base coat layer is applied on the primer layer. This step can be omitted.
  • the base coat layer ink is preferably applied to the entire surface of the primer layer.
  • As the coating method flow coater coating, roll coating, reverse coating, air spray coating, electrostatic coating, powder coating and the like can be applied.
  • the particles in the convex region 20 are likely to aggregate during baking after the raised layer 7 is formed, and the average diameter of the circumscribed circle can easily satisfy the above range. As a result, a decorative material having a good tactile sensation can be obtained.
  • the drying temperature is less than 165 ° C. (the temperature at which the base material is reached), the height of the convex region 20 is lowered due to the denting of the lower layer, so that a sufficient tactile sensation cannot be obtained.
  • Pattern layer forming step Ink for the pattern layer is applied on the base coat layer with an arbitrary pattern.
  • As the coating method gravure printing, offset printing, flexographic printing, letterpress printing, screen printing, ink jet printing, transfer printing and the like can be applied. After coating, the ink for the pattern layer is dried to form the pattern layer.
  • Protective layer forming step Ink for protective layer is applied on the pattern layer (pattern layer).
  • the protective layer ink is preferably applied to the entire surface of the metal plate.
  • gravure printing, offset printing, flexographic printing, letterpress printing, screen printing and the like can be applied.
  • the ink is heated and dried under the conditions of 150 ° C. or higher and 250 ° C. or lower (the temperature at which the base material is reached) to form a protective layer. If the protective layer is not formed, this step can be omitted.
  • Raised layer forming step A raised layer is formed on the protective layer or the pattern layer at a portion to be a texture region. As a result, a texture region including a plurality of convex regions and a gap region between the convex regions is formed.
  • the ink for the convex region (ink for the raised layer) is applied on the protective layer or the pattern layer.
  • the ink for the raised layer may be applied to the entire surface of the metal plate, or may be applied to a part of the metal plate. In particular, it is particularly preferable to apply it in correspondence with the pattern of the pattern layer because a tactile sensation corresponding to the pattern can be obtained. In the present embodiment, it is preferable that the ink for the raised layer is applied by gravure printing.
  • the gravure printing plate has a plurality of cells on the surface. Immediately after printing, the cell-shaped inks printed on the substrate side from each cell are independent of each other, but in the process from printing to drying, multiple cell-shaped inks are randomly distributed in a part of the texture area. A convex region is formed. At the same time, a gap region is formed between the convex regions.
  • the gravure offset printing is particularly preferable because the integration of adjacent inks on the rubber cylinder can easily proceed.
  • the convex portion may be formed by printing once, or the convex portion may be formed by printing a plurality of times.
  • the ink for the swelling layer contains an organic solvent having an appropriate viscosity coefficient and evaporation rate, adjacent cell-shaped inks can be easily integrated.
  • the viscosity of the ink is too low, the above-mentioned integration is unlikely to occur. Therefore, it is preferable to set the blending amount of the particles in the above range or select the solvent as described above. Further, by applying the gravure printing, it is possible to easily satisfy the above-mentioned area ratio, D / dave , and the shortest distance between the convex regions.
  • Baking step After forming the raised layer or the surface coating layer, baking is performed under the conditions of heating temperature (base material reaching temperature) of 150 ° C. or higher and 270 ° C. or lower (preferably 200 ° C. or higher and 250 ° C. or lower). I do.
  • the laminated body of the present embodiment includes an adherend and the above-mentioned decorative material of the present embodiment laminated on the adherend.
  • the adherend and the decorative material are preferably fixed with an adhesive layer, studs, or the like.
  • the adherend can be appropriately selected depending on the use of the laminate.
  • examples of the adherend include metal members, wood members, ceramic members, and resin members.
  • the decorative material and laminate of the present embodiment can be used, for example, as a surface decorative plate for an interior member or an exterior member.
  • Interior materials include surface materials for interior building materials such as walls, floors, and ceilings; surface materials for interior fittings such as partitions, doors, window frames, handrails, peripheral edges, and unit baths; Interior materials; surface materials for home appliances; etc.
  • outer layer members surface materials for exterior building materials such as roofs, walls, floors, balconies, under eaves, and ceilings; surface materials for exterior fittings such as entrance doors, doors, window frames, handrails, peripheral edges, and moldings. ; Exterior materials for vehicles such as automobiles and trains; etc.
  • the texture region of the prepared decorative material was observed using an optical microscope (manufactured by KEYENCE, digital microscope VHX-2000) under the condition of a magnification of 200 to 700 times. A rating was given to those in which a large number of convex regions in which a plurality of particles were agglomerated were observed, and a rating of C was given to those in which particles were confirmed but almost no agglomerates were observed.
  • ⁇ Height of convex region (average height)>
  • the optical microscope images (magnification: 700 times) of the decorative materials of Examples and Comparative Examples were analyzed by high-quality depth synthesis 3D, and the average height of the convex region was measured.
  • the height of the convex region is determined by drawing four lines that divide the circumscribed circle into eight equal parts through the center of the circumscribed circle, and for the convex regions on the four lines, the height from the region where the convex region does not exist. It was taken as the average value.
  • Example 1 The entire surface of the steel sheet (SGCC-QM, size 800 mm ⁇ 2000 mm, thickness 0.6 mm) was coated with the primer layer ink 1 of the following formulation by roll coating so that the film thickness after drying was 2 ⁇ m. Then, it was dried at 230 ° C. (the temperature reached by the base material) to form a primer layer.
  • the entire surface of the primer layer was coated with the ink for the base coat layer having the following formulation by a curtain flow coater so that the film thickness after drying was 22 ⁇ m. Then, it was dried at 210 ° C. (the temperature at which the base material was reached) to form a base coat layer.
  • ⁇ Ink for base coat layer> -Thermosetting polyester resin-Coloring agents (carbon black, titanium oxide (titanium white), iron oxide (valve handle), yellow iron oxide (yellow iron)): 25 parts by mass with respect to 100 parts by mass of resin-Solvent (xylene, Cyclohexanone) ⁇ Solid content: 35%
  • a pattern layer having a predetermined pattern was formed on the base coat layer.
  • An ink for a pattern layer containing a thermosetting polyester resin and a colorant was applied to the entire surface of the base coat layer by gravure printing so that the film thickness after drying was 1 ⁇ m. After that, it was dried to form a wood grain pattern layer.
  • the entire surface of the pattern layer was coated with the protective layer ink of the following formulation by gravure offset printing so that the film thickness after drying was 2 ⁇ m.
  • ⁇ Ink for protective layer> ⁇ Thermosetting acrylic resin
  • a raised layer was formed on the protective layer in correspondence with the pattern of the pattern layer.
  • a texture region including a plurality of convex regions and a gap region between the convex regions was formed on the protective layer.
  • the ink 1 for the heaping layer having the following formulation was applied onto the protective layer by gravure printing.
  • a diagonal line digging gravure plate cylinder was used.
  • a photosensitive resist film on the surface of the metal plate material was exposed to a laser beam, and then the metal plate material was corroded to form a desired cell pattern.
  • Example 1 After forming the raised layer, baking was performed under the condition of 220 ° C. (base material reaching temperature). As a result, the decorative material of Example 1 was obtained.
  • Example 2 The decorative material of Example 2 was obtained in the same manner as in Example 1 except that the drying temperature of the base coat layer was changed to 180 ° C. (the temperature at which the base material was reached).
  • Example 3 The entire surface of the steel sheet (SGCC-QM, size 800 mm ⁇ 2000 mm, thickness 0.6 mm) was coated with the primer layer ink 2 of the following formulation by roll coating so that the film thickness after drying was 2 ⁇ m. Then, it was dried at 230 ° C. (the temperature reached by the base material) to form a primer layer.
  • ⁇ Ink 2 for primer layer> -Thermosetting polyester resin-Solvent (mixed solvent of propylene glycol monomethyl ether acetate, cyclohexanone, swazole # 1500) -Solid content: 74% by mass
  • the entire surface of the primer layer was coated with the ink 2 for the base coat layer having the following formulation by a curtain flow coater so that the film thickness after drying was 22 ⁇ m. Then, it was dried at 210 ° C. (the temperature at which the base material was reached) to form a base coat layer.
  • a pattern layer having a predetermined pattern was formed on the base coat layer.
  • An ink for a pattern layer containing a thermosetting polyester resin and a colorant was applied to the entire surface of the base coat layer by gravure printing so that the film thickness after drying was 1 ⁇ m. As a result, a stone-grained pattern layer was formed.
  • the entire surface of the pattern layer was coated with the protective layer ink 2 having the following formulation by gravure offset printing so that the film thickness after drying was 2 ⁇ m.
  • a raised layer was formed on the entire surface of the protective layer.
  • a texture region including a plurality of convex regions and a gap region between the convex regions was formed on the protective layer.
  • the entire surface of the protective layer was coated with the swelling layer ink 2 having the following formulation by gravure printing.
  • a diagonal line digging gravure plate cylinder was used.
  • a photosensitive resist film on the surface of the metal plate material was exposed to a laser beam, and then the metal plate material was corroded to form a desired cell pattern.
  • ⁇ Ink 2 for raised layer> -Thermosetting acrylic resin 100 parts by mass-Glittering flat plate particles (glass flakes, 2025 PSTM manufactured by Nippon Sheet Glass Co., Ltd.): 7 parts by mass-Silica: 20 parts by mass-Acrylic beads (30 ⁇ m diameter): 20 parts by mass-Solvent (butyl) Carbitol, xylene, cyclohexanone) ⁇ Solid content: 40% by mass
  • Example 3 After forming the raised layer, baking was performed under the condition of 220 ° C. (base material reaching temperature). As a result, the decorative material of Example 3 was obtained.
  • Example 4 The entire surface of the aluminum plate (A3004PH32, size 1220 mm ⁇ 2440 mm, thickness 0.6 mm) was coated with the primer layer ink 3 of the following formulation by roll coating so that the film thickness after drying was 2 ⁇ m. Then, it was dried at 230 ° C. (the temperature reached by the base material) to form a primer layer.
  • the entire surface of the primer layer was coated with the ink 3 for the base coat layer having the following formulation by a curtain flow coater so that the film thickness after drying was 22 ⁇ m. Then, it was dried at 210 ° C. (the temperature at which the base material was reached) to form a base coat layer.
  • ⁇ Ink 3 for base coat layer> ⁇ Thermosetting polyester resin ⁇ Solvent (xylene, cyclohexanone) ⁇ Solid content: 35% by mass
  • a pattern layer having a predetermined pattern was formed on the base coat layer.
  • An ink for a pattern layer containing a thermosetting polyester resin and a colorant was applied to the entire surface of the base coat layer by gravure printing so that the film thickness after drying was 1 ⁇ m. As a result, a stone-grained pattern layer was formed.
  • the ink 3 for the heaping layer having the following formulation was applied on the pattern layer by gravure printing.
  • a diagonal line digging gravure plate cylinder was used.
  • a photosensitive resist film on the surface of the metal plate material was exposed to a laser beam, and then the metal plate material was corroded to form a desired cell pattern.
  • the ink for the surface coating layer of the following formulation was applied to the entire surface of the coating film with a flow coater so that the film thickness after drying was 18 ⁇ m. Then, baking was carried out under the condition of 220 ° C. (the temperature at which the base material was reached). As a result, the decorative material of Example 4 was obtained.
  • ⁇ Ink for surface coat layer> ⁇ Thermosetting acrylic resin ⁇ Solvent (xylene, cyclohexanone) ⁇ Solid content: 40%
  • Comparative Example 1 A decorative material of Comparative Example 1 was obtained in the same manner as in Example 1 except that the drying temperature of the base coat layer ink was 160 ° C. (base material reaching temperature) and the raised layer ink was formulated as follows.
  • Example 6 to 7 show micrographs of the texture regions of Examples 1 and 4.
  • FIG. 8 shows a micrograph of the texture region of Comparative Example 1.
  • Example 1 As shown in FIG. 6, it was confirmed that the convex regions formed by agglomeration of particles in the texture region were densely formed, and that a gap region existed between the convex regions. .. Since the texture region having such a fine shape is formed, the decorative material of Example 1 has an excellent tactile sensation.
  • FIG. 7 it was confirmed that in Example 4 as well, the convex region formed by the agglomeration of the particles was densely formed in the texture region. Further, in Example 4, a surface coat layer was formed on the raised layer, and a good tactile sensation was obtained.
  • Example 1 Comparing Example 1 and Example 2, it can be understood that by heating the base coat layer at a higher temperature, a convex region having a sufficient height can be formed and an excellent tactile sensation can be obtained.
  • Comparative Example 1 As shown in FIG. 8, almost no agglutination of particles was observed, and the particles were sparsely dispersed. The average height is also lower than in the examples. From this, it is considered that the hardness of the base coat layer was insufficient and the lower layer of the convex region was dented by the particles, so that the convex region having a sufficient height could not be formed.
  • the other decorative material (hereinafter referred to as "decorative material 100") included in the present embodiment has a metal base material made of a metal having a first surface and a second surface, and a first surface and a second surface.
  • a group of particles containing particles, comprising a group of particles arranged on the first surface side of the pattern layer, and the surface of the decorative material is a texture region having a texture and a tactile sensation different from those of the second surface of the metal base material.
  • the texture region has irregularities, and the irregularities include a first convex region, a second convex region existing at a position away from the first convex region, and the first convex region.
  • a gap region existing between the second convex regions is provided, and the first convex region and the second convex region are raised on the surface side of the decorative material due to the presence of the particle group. It is a thing.
  • FIG. 9 is a schematic cross-sectional view of a portion of the decorative material A according to a specific example of the present embodiment in which a texture region is provided.
  • the decorative material A (1) includes "a metal base material (2) having a first surface (2a) and a second surface (2b)" and "a first surface (5a)".
  • a pattern layer (5) having a second surface (5b) and a resin binder and a colorant, and the second surface (5b) side of the pattern layer is the first surface (2a) of the metal base material.
  • “Particle group” is provided in this order.
  • the surface of the decorative material A (1) has a texture region whose texture and tactile sensation are different from those of the second surface (2b) of the metal base material, and the texture region has unevenness (7) and the unevenness (7).
  • 7) is a first convex region (20a), a second convex region (20b) existing at a position away from the first convex region, and the first convex region and the second convex region. It has a gap area that exists between them. Further, in the decorative material A (1), the first convex region (20a) and the second convex region (20b) are raised on the surface side of the decorative material due to the presence of the particle group.
  • the decorative material A may have a structure other than the metal base material, the pattern layer, and the particle group made of metal.
  • the decorative material A may have a primer layer 3 and a base coat layer 4 between a metal base material made of metal and a pattern layer.
  • the decorative material A may have a protective layer 6 between the pattern layer and the particle group.
  • the decorative material A may have a surface coating layer 8 on the side opposite to the pattern layer of the particle group.
  • the decorative material A in FIG. 9 has two sets of a first convex region (20a) and a second convex region (20b). As shown in FIG. 9, the decorative material A preferably has a plurality of sets of the first convex region (20a) and the second convex region (20b). It is preferable that a plurality of particles having a particle size of 5 ⁇ m or more and 60 ⁇ m or less are contained in the first convex region (20a) and the second convex region (20b).
  • the decorative material A may have second unevenness having a width or height smaller than the unevenness on the surfaces of the first convex region (20a) and the second convex region (20b).
  • the second unevenness can be formed, for example, by the first convex region (20a) and the individual particles contained within the second convex region.
  • the surface coating layer 8 is present on the surface of the particles 21, but since the surface coating layer is thin, the surfaces of the first convex region (20a) and the second convex region (20b) are approximately the same. Small irregularities that follow the surface shape of the particles are formed.
  • the description of specific embodiments of each region, each layer, and each material constituting the decorative material A is the same as the description of the decorative material 1 of the present embodiment described above.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Finishing Walls (AREA)
  • Floor Finish (AREA)
PCT/JP2021/006282 2020-02-21 2021-02-19 化粧材、積層体及び化粧材の製造方法 Ceased WO2021167050A1 (ja)

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US17/800,186 US11931987B2 (en) 2020-02-21 2021-02-19 Decorative material, laminate, and method for manufacturing decorative material
US18/584,606 US12420526B2 (en) 2020-02-21 2024-02-22 Decorative material, laminate, and method for manufacturing decorative material

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JP7618364B2 (ja) * 2021-09-30 2025-01-21 東リ株式会社 床材
JP7663066B2 (ja) 2021-11-04 2025-04-16 豊田合成株式会社 車両用外装品
JP7700838B1 (ja) 2023-12-27 2025-07-01 ａｒｔｉｅｎｃｅ株式会社 金属印刷インキ組成物およびそれを用いた印刷金属板

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