WO2017168980A1 - 化粧シート - Google Patents

化粧シート Download PDF

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Publication number
WO2017168980A1
WO2017168980A1 PCT/JP2017/001731 JP2017001731W WO2017168980A1 WO 2017168980 A1 WO2017168980 A1 WO 2017168980A1 JP 2017001731 W JP2017001731 W JP 2017001731W WO 2017168980 A1 WO2017168980 A1 WO 2017168980A1
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WO
WIPO (PCT)
Prior art keywords
layer
sheet
surface layer
support
decorative sheet
Prior art date
Application number
PCT/JP2017/001731
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
祐典 重吉
藤野　直樹
Original Assignee
シーアイ化成株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by シーアイ化成株式会社 filed Critical シーアイ化成株式会社
Publication of WO2017168980A1 publication Critical patent/WO2017168980A1/ja

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Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
    • 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
    • B32B27/00—Layered products comprising a layer 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/14—Layered products comprising a layer of synthetic resin next to a particulate 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings

Definitions

  • the present invention relates to a decorative sheet.
  • This application claims priority based on Japanese Patent Application No. 2016-064873 for which it applied to Japan on March 29, 2016, and uses the content here.
  • a decorative sheet is used.
  • a decorative sheet for example, on a base material layer made of a sheet made of a thermoplastic resin such as polyvinyl chloride, a printed layer on which a pattern by printing is applied and a layer formed by a paint including beads are formed.
  • Cosmetic sheets are known.
  • a decorative sheet in which a printed pattern layer is provided on a colored thermoplastic sheet layer and a layer containing spherical and transparent beads is provided on the printed pattern layer (Patent Document 1).
  • the layer containing the beads of the decorative sheet includes a binder in order to bond the beads.
  • the decorative sheet of Patent Document 1 can impart low gloss (matte effect), smoothness of touch, etc., the scratch resistance (particularly nail scratch resistance) and three-dimensional formability are not sufficient.
  • consumer preferences have been diversified, and characteristics required for decorative sheets have also been diversified.
  • tactile sensation other than the smoothness of finger touch, for example, suede tone Tactile sensation cannot be given.
  • the decorative sheet of Patent Document 1 is liable to cause coating defects such as missing coating during production. The coating defect deteriorates the appearance of the decorative sheet.
  • An object of the present invention is to provide a decorative sheet that is excellent in low gloss, scratch resistance, three-dimensional formability and appearance, and gives a suede feel when touched on the surface.
  • the decorative sheet of the present invention includes a support including at least one base material layer, and a surface layer provided adjacent to the support, and the base material layer is composed of a thermoplastic resin sheet,
  • the surface layer includes a plurality of resin beads containing a polyurethane resin and a binder containing a polyurethane resin, and the surface of the surface layer is uneven by the plurality of resin beads, and the basis weight of the surface layer is 4 10 to 10 g / m 2 , and unevenness is formed on the surface of the support in contact with the surface layer.
  • the decorative sheet of the present invention is excellent in low gloss, scratch resistance, three-dimensional formability and appearance, and gives a suede feel when touched on the surface.
  • the decorative sheet 1 of the present embodiment includes a support 10 and a surface layer 20 provided adjacent to the support 10.
  • the support 10 includes a base material layer 11. Further, irregularities are formed on the surface 10 a of the support 10 on the surface layer 20 side (surface 11 a of the base material layer 11 on the surface layer 20 side). The surface 10 a is in contact with the surface layer 20. By forming irregularities on the surface 10a, when the surface layer 20 is formed on the surface 10a by the coating method, coating defects such as coating omission are unlikely to occur, and the appearance of the decorative sheet 1 is improved.
  • the unevenness on the surface can be formed by a known method such as embossing.
  • the arithmetic average roughness Ra of the surface 10a on the surface layer 20 side of the support 10 is preferably 0.130 ⁇ m or more, and more preferably 0.80 ⁇ m or more. If Ra of the surface 10a is more than the said lower limit, the inhibitory effect of a coating defect is excellent.
  • the upper limit of Ra of the surface 10a is not specifically limited from the point of suppression of a coating defect, When a tactile sensation is considered, 3.00 micrometer or less is preferable.
  • the maximum height roughness Rz of the surface 10a on the surface layer 20 side of the support 10 is preferably 3.20 ⁇ m or more, and more preferably 5.00 ⁇ m or more. If Rz of the surface 10a is more than the said lower limit, the inhibitory effect of a coating defect is excellent.
  • the upper limit of Rz of the surface 10a is not particularly limited from the viewpoint of suppressing coating defects, but is preferably 25.0 ⁇ m or less in consideration of tactile sensation.
  • Ra and Rz are values measured in accordance with Japanese Industrial Standards JIS B0601: 2001, with no cutoff.
  • a back treatment may be performed.
  • the back treatment include a treatment of applying a two-component curable urethane resin.
  • the application amount of this urethane resin is preferably less than about 1 g / m 2 .
  • the thickness of the support 10 is preferably 50 to 800 ⁇ m, more preferably 250 to 500 ⁇ m. If the thickness of the support 10 is equal to or greater than the lower limit, the mechanical strength and the concealing property can be easily increased sufficiently. If the thickness of the support 10 is not more than the above upper limit value, sufficient flexibility and printability can be easily ensured, and the three-dimensional formability becomes better. In addition, when unevenness is formed on the surface, the thickness of the support 10 means the thickness of the thinnest part of the support 10.
  • the base material layer 11 is comprised from a thermoplastic resin sheet.
  • a thermoplastic resin sheet which comprises the base material layer 11 the material normally used for the base material layer in a decorative sheet can be used,
  • seat is mentioned as a specific example, for example.
  • PVC polyvinyl chloride
  • ABS acrylonitrile / butadiene / styrene resin
  • PETG is a kind of polyethylene terephthalate (hereinafter referred to as “PET”), and the glycol component of PET is ethylene glycol, whereas the glycol component is not only ethylene glycol but also diols other than ethylene glycol ( 1,4-cyclohexanedimethanol).
  • the thermoplastic resin sheet may be a stretched sheet or an unstretched sheet.
  • the thermoplastic resin sheet may contain additives such as a colorant, an ultraviolet absorber, a light stabilizer, an antioxidant, an antistatic agent, a storage stabilizer, a lubricant, and a filler as necessary.
  • the thermoplastic resin sheet is preferably colored from the point of design.
  • the surface layer 20 is a layer disposed on the outermost layer on the viewing side of the decorative sheet 1. That is, it is a layer arranged at a position visible from the surface side when the decorative sheet 1 is affixed to a building material or the like. As shown in FIG. 2, the surface layer 20 includes a plurality of resin beads 21 and a binder 23. A plurality of resin beads 21 are bonded by a binder 23. Further, the surface 20 a of the surface layer 20 has irregularities formed by a plurality of resin beads 21. On the surface 20 a of the surface layer 20, the surface of the resin beads 21 forming the irregularities may be exposed or covered with a binder 23.
  • Examples of the surface layer 20 include a layer formed from a two-component curable urethane-based paint including a plurality of resin beads 21.
  • the surface layer 20 can be formed by applying a two-component curable urethane paint including a plurality of resin beads 21 to the surface 20a of the support 10 and curing it.
  • the two-component curable urethane paint and the method for forming the surface layer 20 using the same will be described in detail later.
  • the resin beads 21 are preferably spherical or oval. Thereby, the effect of the more excellent luster reduction and tactile feeling (silky touch) provision is acquired.
  • the particle size of the resin beads 21 is preferably 2 to 20 ⁇ m, and more preferably 5 to 10 ⁇ m. If the particle size of the resin beads 21 is within the above range, Ra and Rz of the surface 20a of the surface layer 20 are likely to be within a preferable range described later.
  • Each of the resin beads 21 and the binder 23 includes a polyurethane resin.
  • the resin beads 21 and the binder 23 each include a polyurethane resin, the bonding force between the resin beads 21 and the binder 23 is increased, and an effect of suppressing the dropping of the resin beads 21 is obtained.
  • a commercially available material can be used as the polyurethane resin, and examples thereof include Razoid LU855SP manufactured by Dainichi Seika Co., Ltd.
  • Each of the resin beads 21 and the binder 23 may further include components other than the polyurethane resin as long as the effects of the invention are not impaired.
  • the other components include additives such as a colorant, an ultraviolet absorber, a light stabilizer, an antioxidant, an antistatic agent, a storage stabilizer, a plasticizer, a lubricant, and a filler.
  • the mass ratio of the resin beads 21 to the binder 23 is preferably 50/100 to 150/100, and more preferably 80/100 to 120/100. If the ratio of the resin beads 21 is equal to or higher than the lower limit, the low glossiness is more excellent. If the ratio of the resin beads 21 is not more than the above upper limit value, the scratch resistance is more excellent.
  • the arithmetic average roughness Ra of the surface 20a of the surface layer 20 is preferably 0.5 to 6.5 ⁇ m, and more preferably 2.0 to 4.5 ⁇ m. If the Ra of the surface 20a is not less than the above lower limit value, the low glossiness and tactile sensation are more excellent, and if it is not more than the above upper limit value, the scratch resistance is more excellent.
  • the maximum height roughness Rz of the surface 20a of the surface layer 20 is preferably 30.0 to 70.0 ⁇ m, and more preferably 40.0 to 60.0 ⁇ m. If the Rz of the surface 20a is not less than the above lower limit value, the low glossiness and tactile feel are more excellent, and if it is not more than the above upper limit value, the scratch resistance is more excellent.
  • Ra and Rz of the surface 20a of the surface layer 20 can be adjusted by the particle size of the resin beads 21, the mass ratio of the resin beads 21 and the binder 23, the dilution rate with a solvent, and the like.
  • the basis weight of the surface layer 20 is 4 ⁇ 10g / m 2, preferably from 5 ⁇ 9g / m 2, more preferably 6 ⁇ 8g / m 2. If the basis weight of the surface layer 20 is not less than the above lower limit value, it is excellent in low gloss, scratch resistance, and suede feel.
  • the 60 ° glossiness of the surface of the surface layer 20 is preferably 10.0 or less, and more preferably 5.0 or less. 60 ° gloss is an indicator of low gloss. If the 60 ° glossiness is less than or equal to the above upper limit value, the glossiness is sufficiently excellent. The 60 ° glossiness is measured by a method based on Japanese Industrial Standard JIS Z8741: 1997.
  • the decorative sheet 1 can be manufactured, for example, by applying a two-component curable urethane-based paint including a plurality of resin beads 21 to the surface 10 a of the support 10 and curing the coating to form the surface layer 20.
  • the support 10 (base material layer 11) having irregularities on the surface 10a can be produced, for example, by embossing the surface of a thermoplastic resin sheet.
  • the embossing can be performed, for example, by pressing a thermoplastic resin sheet against an embossing roll having irregularities formed on the surface under a temperature condition of about 80 to 170 ° C. Thereby, the unevenness
  • a commercially available material may be used for the thermoplastic resin sheet which embosses, and the material manufactured by well-known manufacturing methods, such as a calendar method and an extrusion molding method, may be used.
  • the two-component curable urethane paint including a plurality of resin beads 21.
  • a material prepared by adding a plurality of resin beads 21 to a two-component curable urethane paint that does not contain resin beads 21 may be used.
  • the two-component curable urethane coating is composed of a main agent and a curing agent. The plurality of resin beads 21 are typically blended in the main agent.
  • Two-component curable urethane-based paints usually contain a solvent. If necessary, for example, a diluent solvent may be added to the two-component curable urethane-based paint for viscosity adjustment.
  • a diluent solvent may be added to the two-component curable urethane-based paint for viscosity adjustment.
  • materials that do not dissolve the resin beads 21 are used, and examples thereof include methyl ethyl ketone (MEK), methyl isobutyl ketone (MIBK), ethyl acetate, cyclohexane, and ethanol.
  • Two-component curable urethane coatings contain additives such as colorants, UV absorbers, light stabilizers, antioxidants, antistatic agents, storage stabilizers, plasticizers, lubricants, and fillers as necessary. But you can.
  • a preferable range of the mass ratio of the resin beads 21 to the resin solid content of the main agent is the mass ratio of the resin beads 21 to the binder 23 ( This is the same as the preferable range of the resin beads 21 / binder 23).
  • Examples of the coating method for the two-component curable urethane paint include a gravure coating method (including a micro gravure coating method), a comma coating method, a roll knife coating method, a die coating method, a reverse roll coating method, a roll coating method, and a cast method.
  • the coating method etc. are mentioned.
  • the coating amount of the two-component curable urethane paints are 4 ⁇ 10g / m 2 as a dry coating amount is preferably 5 ⁇ 9g / m 2, more preferably 6 ⁇ 8g / m 2.
  • the applied two-component curable urethane paint can be cured by, for example, performing a heat treatment at 50 to 80 ° C. for about 30 seconds to 3 minutes. Aging may be performed after the heat treatment. Examples of the aging method include a method of curing at 20 to 50 ° C. for 1 to 5 days.
  • the decorative sheet 1 described above includes the support 10 including the base material layer 11 and the surface layer 20 provided adjacent to the support 10, and the base material layer 11 is made of a thermoplastic resin sheet.
  • the surface layer 20 includes a plurality of resin beads 21 including a polyurethane resin and a binder 23 including a polyurethane resin, and the plurality of resin beads 21 have irregularities formed on the surface of the surface layer 20. Since the basis weight of 20 is 4 to 10 g / m 2 and irregularities are formed on the surface 10 a in contact with the surface layer 20 of the support 10, it is excellent in low glossiness, scratch resistance and appearance. Moreover, when the surface of the surface layer 20 is touched, a suede-like touch is given. Moreover, since the various materials which comprise the decorative sheet 1 have stretchability, it is excellent also in three-dimensional moldability.
  • the decorative sheet 2 of the present embodiment includes a support 30 and a surface layer 20 provided adjacent to the support 30.
  • the same reference numerals are given to the components corresponding to the above-described embodiments, and detailed description thereof is omitted.
  • the base material layer 31 and the printing layer 33 are laminated
  • the preferable ranges of Ra and Rz on the surface 30a of the support 30 are the same as the preferable ranges of Ra and Rz on the surface 10a of the support 10 of the first embodiment.
  • the back surface is applied to the surface 30b of the support 30 opposite to the surface layer 20 side (the surface 31b of the base material layer 31 opposite to the surface layer 20 side). May be.
  • the preferable range of the thickness of the support 30 is the same as the preferable range of the thickness of the support 10 of the first embodiment.
  • Base material layer As the base material layer 31, the thing similar to the base material layer 11 of 1st embodiment is mentioned, A preferable aspect is also the same. However, unevenness may not be formed on the surface of the base material layer 31 on the surface layer 20 side. When unevenness is formed on the surface of the base material layer 31 on which the printing layer 33 is formed, the same unevenness as the unevenness on the surface of the base material layer 31 is formed on the surface of the printing layer 33 formed on this surface. Can do. Therefore, it is preferable that unevenness is formed on the surface of the base material layer 31 on the surface layer 20 side.
  • Print layer In the printing layer 33, as a pattern or pattern formed by printing, for example, wood grain, stone grain, cloth grain, sand grain, tiled pattern, brickwork pattern, leather pattern, geometric pattern, character, symbol, metallic, etc. Is mentioned. These patterns and patterns can also be combined.
  • the printing layer 33 usually contains a binder resin and a colorant.
  • the binder resin include acrylic resin, vinyl chloride-vinyl acetate copolymer, chlorinated polypropylene, polyester resin, cellulose resin, and urethane resin. Binder resin may be used individually by 1 type, and may use 2 or more types together.
  • the colorant examples include inorganic pigments such as titanium white, zinc white, carbon black, iron black, dial, chrome vermilion, cadmium red, ultramarine, cobalt blue, yellow lead, titanium yellow; phthalocyanine blue, indanthrene Organic pigments such as blue, isoindolinone yellow, benzylgin yellow, quinacridone red, polyazo red, berylene red, and aniline black; pearlescent pigments such as flaky foil powder (aluminum, brass, etc.).
  • a coloring agent may be used individually by 1 type, and may use 2 or more types together.
  • the printing layer 33 may contain additives such as an ultraviolet absorber, a light stabilizer, an antioxidant, an antistatic agent, a storage stabilizer, a plasticizer, a lubricant, and a filler.
  • additives such as an ultraviolet absorber, a light stabilizer, an antioxidant, an antistatic agent, a storage stabilizer, a plasticizer, a lubricant, and a filler.
  • the decorative sheet 2 is manufactured by manufacturing a support 30 and applying a two-component curable urethane-based paint including a plurality of resin beads 21 to the surface 30a on the printed layer 33 side of the support 30 and curing the surface. It can be manufactured by forming the layer 20.
  • the support 30 can be manufactured, for example, by forming a printing layer 33 on the surface of the base material layer 31 having irregularities formed on the surface.
  • the base material layer 31 having irregularities formed on the surface can be produced in the same manner as the support 10 of the first embodiment.
  • the printing layer 33 can be formed, for example, by printing an ink containing a binder resin, a colorant, and a solvent.
  • the ink printing method is not particularly limited, and examples thereof include screen printing, gravure printing, flexographic printing, letterpress printing, and ink jet printing.
  • the decorative sheet 2 of the present embodiment is the same as the decorative sheet 1 of the first embodiment except that the printing layer 33 is provided between the base material layer and the surface layer, and has low gloss and scratch resistance. It is excellent in three-dimensional formability and appearance, and gives a suede feel when touching the surface of the surface layer 20. In addition, the provision of the printing layer 33 is superior in design as compared to the case where the printing layer 33 is not provided.
  • the decorative sheet 3 of the present embodiment includes a support body 40 and a surface layer 20 provided adjacent to the support body 40.
  • the support 40 has a first base material layer 41, a second base material layer 43, a printing layer 45, and a transparent resin layer 47 laminated in this order, and the transparent resin layer 47 on the most surface layer 20 side. Has been placed. Further, unevenness is formed on the surface 40a of the support 40 on the surface layer 20 side (surface 47a of the transparent resin layer 47).
  • the preferable ranges of Ra and Rz on the surface 40a of the support 40 are the same as the preferable ranges of Ra and Rz on the surface 10a of the support 10 of the first embodiment.
  • the back surface treatment is performed on the surface 40b opposite to the surface layer 20 side of the support 40 (the surface 41b opposite to the surface layer 20 side of the first base material layer 41). It may be given.
  • the preferable range of the thickness of the support 30 is the same as the preferable range of the thickness of the support 10 of the first embodiment.
  • the thermoplastic resin sheets constituting each of the first base material layer 41 and the second base material layer 43 may be the same or different.
  • the kind of thermoplastic resin, the thickness of the thermoplastic resin sheet, the degree of coloring, and the like may be different.
  • the first base material layer 41 can be used mainly for the purpose of concealing the unevenness of the object to be bonded (eg, particle board) at the time of molding, and the second base material layer 43 can be used mainly for the purpose of imparting a design.
  • the first base material layer 41 is a PVC sheet, a PETG sheet, a polyolefin sheet (polyethylene sheet, polypropylene sheet, etc.), or an acrylonitrile-butadiene-styrene resin (ABS) sheet
  • the second base material layer 43 is preferably a PVC sheet, a PETG sheet, a polyolefin sheet (polyethylene sheet, polypropylene sheet or the like), or an acrylonitrile-butadiene-styrene resin (ABS) sheet.
  • Print layer As the printing layer 45, the thing similar to the printing layer 33 of 2nd embodiment is mentioned, A preferable aspect is also the same. However, the unevenness may not be formed on the surface of the printing layer 45 on the surface layer 20 side.
  • An example of the transparent resin layer 47 is a transparent thermoplastic resin sheet.
  • the transparent thermoplastic resin sheet include a PETG sheet, a PVC sheet, an ABS sheet, a polycarbonate sheet, an acrylic resin sheet, a polybutylene terephthalate sheet, and an easily molded PET sheet.
  • a PETG sheet is preferable from the viewpoint that secondary surface processing is easy and three-dimensional formability is more excellent.
  • the transparency of the transparent resin layer 47 is preferably 80.0% or more and more preferably 85.0% or more as the total light transmittance. The higher the transparency, the clearer the pattern and the better the design.
  • the transparent resin layer 47 may be colored as long as the transparency is not impaired.
  • the thickness of the transparent resin layer 47 is preferably 50 to 200 ⁇ m, and more preferably 80 to 150 ⁇ m. When the thickness of the transparent resin layer 47 is equal to or greater than the lower limit, the depth of the pattern is increased and the handling in manufacturing is excellent. If the thickness of the transparent resin layer 47 is less than or equal to the above upper limit value, sufficient flexibility and printability can be easily ensured, and the three-dimensional formability becomes better. In the case where irregularities are formed on the surface, the thickness of the transparent resin layer 47 means the thickness of the thinnest portion of the transparent resin layer 47.
  • the decorative sheet 3 is manufactured by manufacturing the support 40 and applying and curing a two-component curable urethane-based paint including the plurality of resin beads 21 on the surface 40a of the support 40 on the transparent resin layer 47 side. It can be manufactured by forming the surface layer 20.
  • the support 40 forms a printing layer 45 on one surface of the second base material layer 43 to obtain a printing sheet, and the first base material 43 on the surface of the printing sheet on the second base material layer 43 side.
  • a transparent thermoplastic resin sheet is laminated on the surface of the base layer 41 on the printed layer 45 side to obtain a laminated sheet, and irregularities are formed on the surface of the laminated sheet on the transparent thermoplastic resin sheet side (transparent A thermoplastic resin sheet as the transparent resin layer 47).
  • the print layer 45 can be formed in the same manner as the print layer 33 of the second embodiment. Lamination of the second base material layer 43 on which the printing layer 45 is formed and the first base material, and lamination of the second base material layer 43 and the transparent thermoplastic resin sheet are performed by, for example, a thermal laminating method. be able to.
  • the unevenness can be formed, for example, by embossing as shown in the first embodiment.
  • the decorative sheet 3 of this embodiment uses a laminate of a first base material layer 41 and a second base material layer 43 as a base material, and a transparent resin layer 47 between the printing layer 45 and the surface layer 20.
  • a laminate of a first base material layer 41 and a second base material layer 43 as a base material
  • a transparent resin layer 47 between the printing layer 45 and the surface layer 20.
  • the decorative sheet 2 of the second embodiment is excellent in low glossiness, scratch resistance, three-dimensional formability and appearance, and when the surface of the surface layer 20 is touched, the suede Give a tonal feel.
  • the provision of the printing layer 45 is superior in design as compared to the case where the printing layer 45 is not provided.
  • the transparent resin layer 47 the designability (pattern depth) is more excellent.
  • the embodiment was shown and the decorative sheet of this invention was demonstrated, this invention is not limited to these embodiment.
  • Each configuration in the above embodiment, a combination thereof, and the like are examples, and the addition, omission, replacement, and other modifications of the configuration can be made without departing from the spirit of the present invention.
  • an example in which the first base material layer 41 and the second base material layer 43, and the printing layer and the transparent resin layer are directly laminated, respectively, either one of these or Both may be laminated via an adhesive layer.
  • the adhesive layer preferably does not contain a colorant, that is, is not colored.
  • thermoplastic resin sheet (thickness: 250 ⁇ m) was formed with a calender molding machine by blending PVC, which is the main raw material, with a colorant, a processing aid and the like.
  • PVC polyvinyl styrene
  • One surface of this thermoplastic resin sheet was subjected to patterning with an embossing roll (# 45) to produce a base material layer.
  • This base material layer was used as a support.
  • the above-mentioned paint is applied with a micro gravure coater as a wet coating amount of 35 g / m 2 , dried at 70 ° C. for 1 minute, and cured at 35 ° C. for 3 days. Then, a surface layer having a basis weight (dry coating amount) of about 7 g / m 2 was formed to obtain a decorative sheet.
  • Example 2 A transparent sheet (thickness: 60 ⁇ m) of PETG (GN071 manufactured by Eastman Co.) was formed by an extruder.
  • a thermoplastic resin sheet (thickness: 180 ⁇ m) was formed with a calender molding machine by blending a coloring agent with PETG (GN071 manufactured by Eastman Co., Ltd.) as the main raw material. This thermoplastic resin sheet was used as the first base material layer.
  • a thermoplastic resin sheet (thickness: 80 ⁇ m) was formed with a calender molding machine by blending a colorant with PETG (GN071 manufactured by Eastman Co., Ltd.) as the main raw material. This thermoplastic resin sheet was used as the second base material layer.
  • a printing sheet was obtained by forming a printing layer on the second base material layer by gravure printing.
  • the transparent sheet, the printed sheet, and the first base material layer were stacked in this order and laminated by thermal lamination.
  • the surface of the obtained laminate on the transparent sheet side was processed with an embossing roll (# 80) to produce a support.
  • a curing agent Resa Hit LG-212 (C) manufactured by Dainichi Seika Kogyo Co., Ltd.
  • the addition amount of the curing agent was set to 2 phr with respect to 100 phr of REZALOID LU-561SP.
  • the above-mentioned paint is applied with a micro gravure coater as a wet coating amount of 35 g / m 2 , dried at 70 ° C. for 1 minute, and cured at 35 ° C. for 3 days. Then, a surface layer having a basis weight (dry coating amount) of about 7 g / m 2 was formed to obtain a decorative sheet.
  • thermoplastic resin sheet (thickness: 250 ⁇ m) was formed with a calender molding machine by blending colorant, processing aid and the like with PETG (GN071 manufactured by Eastman Chemical Co., Ltd.) as the main raw material.
  • PETG GN071 manufactured by Eastman Chemical Co., Ltd.
  • This thermoplastic resin sheet was used as a support (base material layer).
  • a curing agent Resa Hit LG-212 (C) manufactured by Dainichi Seika Kogyo Co., Ltd.
  • Rezaroid LU-561SP manufactured by Dainichi Seika Kogyo Co., Ltd.
  • the addition amount of the curing agent was set to 2 phr with respect to 100 phr of REZALOID LU-561SP.
  • the above-mentioned paint was applied with a micro gravure coater as a wet coating amount of 35 g / m 2 , dried at 70 ° C. for 1 minute, and cured at 35 ° C. for 3 days.
  • a decorative layer was obtained by forming a surface layer having an amount (dry coating amount) of about 7 g / m 2 .
  • thermoplastic resin sheet (thickness: 250 ⁇ m) was formed with a calender molding machine by blending a coloring agent with PETG (GN071 manufactured by Eastman Chemical Co., Ltd.) as the main raw material.
  • PETG GN071 manufactured by Eastman Chemical Co., Ltd.
  • One surface of the thermoplastic resin sheet was subjected to patterning with an embossing roll (# 80) to prepare a base material layer.
  • This base material layer was used as a support.
  • a curing agent Resa Hit LG-212 (C) manufactured by Dainichi Seika Kogyo Co., Ltd.
  • the addition amount of the curing agent was set to 2 phr with respect to 100 phr of REZALOID LU-561SP.
  • the above coating is coated on the surface of the support with the microgravure coater using a micro gravure coater as a wet coating amount of 15 g / m 2 , dried at 70 ° C. for 1 minute, and cured at 35 ° C. for 3 days. Then, a surface layer having a basis weight (dry coating amount) of about 3 g / m 2 was formed to obtain a decorative sheet.
  • Ra and Rz were measured as indicators of the surface roughness of the surface layer of the decorative sheet obtained in each example.
  • Ra and Rz are in accordance with Japanese Industrial Standards JIS B0601: 2001, using a color 3D laser microscope VK-9710 (manufactured by Keyence Corporation) and a standard objective lens 50 times, no cutoff, surface roughness (analysis range) : Width 283.371 ⁇ m, length 2124.459 ⁇ m).
  • the surface roughness of the surface on which the surface layer of the support prepared in each example was formed was also measured in the same manner.
  • the decorative sheets of Examples 1 and 2 were excellent in low glossiness (low glossiness) and scratch resistance, and provided a suede-like feel when touched on the surface. Moreover, there was no coating omission, the appearance was good, and the manufacturing stability was also good. Moreover, since the various materials which comprise a decorative sheet have a drawability, it can be judged that it is excellent also in three-dimensional moldability. On the other hand, the decorative sheet of Comparative Example 1 in which no irregularities were formed on the surface of the support had poor coating and the appearance was poor. The decorative sheet of Comparative Example 2 having a basis weight of the surface layer of less than 4 g / m 2 was inferior in low gloss and scratch resistance, and also had a suede feel.
  • the decorative sheet of the present invention is excellent in low gloss, scratch resistance, three-dimensional formability and appearance, and gives a suede feel when touched on the surface. It can be suitably used for surface decoration of furniture, etc., and light-electric-related cover.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
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WO2023105285A1 (ja) * 2021-12-08 2023-06-15 日産自動車株式会社 表皮材料

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JP7173823B2 (ja) * 2018-10-18 2022-11-16 Ｄｉｃグラフィックス株式会社 触感を有する印刷物の印刷方法及び印刷物
JP7343291B2 (ja) * 2019-04-16 2023-09-12 スリーエム イノベイティブ プロパティズ カンパニー オーバーラミネートフィルム及びグラフィック積層体
JP7439481B2 (ja) * 2019-12-02 2024-02-28 Ｔｏｐｐａｎホールディングス株式会社 化粧シート及び化粧シートの製造方法

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JPH04339649A (ja) * 1991-02-25 1992-11-26 Dainippon Printing Co Ltd 化粧材およびその製造方法
JPH1095062A (ja) * 1996-07-19 1998-04-14 Inoac Corp スエード調の外観を有する装飾材及びその製造方法
JPH11129427A (ja) * 1997-10-27 1999-05-18 C I Kasei Co Ltd 化粧材及びその製造方法
JP2011255552A (ja) * 2010-06-08 2011-12-22 Toppan Cosmo Inc エンボス化粧シート
JP2012061727A (ja) * 2010-09-16 2012-03-29 Toppan Cosmo Inc 床用化粧シート
JP2014188742A (ja) * 2013-03-26 2014-10-06 Dainippon Printing Co Ltd 化粧シート及びその製造方法

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JP2020175544A (ja) * 2019-04-16 2020-10-29 スリーエム イノベイティブ プロパティズ カンパニー 低光沢な外観を呈する積層体及び表面コーティング剤
JP7330738B2 (ja) 2019-04-16 2023-08-22 スリーエム イノベイティブ プロパティズ カンパニー 低光沢な外観を呈する積層体及び表面コーティング剤
WO2023105285A1 (ja) * 2021-12-08 2023-06-15 日産自動車株式会社 表皮材料

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