WO2018030334A1 - Feuille de transfert, procédé de fabrication de feuille de transfert et procédé de fabrication d'article moulé décoratif - Google Patents

Feuille de transfert, procédé de fabrication de feuille de transfert et procédé de fabrication d'article moulé décoratif Download PDF

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Publication number
WO2018030334A1
WO2018030334A1 PCT/JP2017/028568 JP2017028568W WO2018030334A1 WO 2018030334 A1 WO2018030334 A1 WO 2018030334A1 JP 2017028568 W JP2017028568 W JP 2017028568W WO 2018030334 A1 WO2018030334 A1 WO 2018030334A1
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Prior art keywords
layer
transfer
region
transfer sheet
protrusion
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PCT/JP2017/028568
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English (en)
Japanese (ja)
Inventor
正弘 波多野
恵二 廣瀬
仁彦 田村
健太郎 秋山
知則 西田
敬一 村上
晋 宮崎
崇宏 八木
秦　直己
Original Assignee
大日本印刷株式会社
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Publication date
Priority claimed from JP2016155289A external-priority patent/JP6759829B2/ja
Priority claimed from JP2017084549A external-priority patent/JP6794916B2/ja
Priority claimed from JP2017086410A external-priority patent/JP6891616B2/ja
Application filed by 大日本印刷株式会社 filed Critical 大日本印刷株式会社
Publication of WO2018030334A1 publication Critical patent/WO2018030334A1/fr

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    • 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
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
    • B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
    • B44C1/17—Dry transfer

Definitions

  • the present invention relates to a transfer sheet, a transfer sheet manufacturing method, and a decorative molded product manufacturing method.
  • the surface of an article may be decorated by a transfer method.
  • a transfer sheet having a release layer, a design layer, an adhesive layer, or the like formed on a base material is adhered to an article to be transferred, and then the base material is peeled off.
  • the transfer layer is transferred to the surface of the transfer product to decorate.
  • Patent Document 1 discloses a release layer containing a matting agent entirely on a base sheet, a mask layer partially containing an active energy ray-curable resin, a release layer and a design layer as a transfer layer.
  • a partial mat transfer sheet characterized in that is formed is disclosed.
  • the present invention has been made in view of such circumstances, a transfer sheet capable of transferring a transfer layer to an accurate position of a transfer object, a method for producing the transfer sheet, and decorative molding using the transfer sheet It aims at providing the manufacturing method of goods.
  • the present invention provides the following [1] to [12].
  • [1] A transfer sheet having a transfer layer on a release sheet, wherein the release sheet has a base material layer having a first region and a second region on a surface on the transfer layer side, and the base material
  • the transfer sheet which has a protrusion part in the 2nd field of a layer, and has a colored layer on the protrusion part further.
  • [2] The method for producing a transfer sheet according to [1], wherein the release sheet is produced by the following steps (A1) to (A3), and then a transfer layer is formed on at least a part of the release sheet.
  • A1 The process of apply
  • A2) Using a plate having a shape complementary to the first region and the second region, the uncured resin layer is shaped, and simultaneously irradiated with ionizing radiation to cure the shaped resin layer and support The process of obtaining the base material layer in which the resin layer was formed on the body.
  • A3) The process of forming a colored layer on the protrusion part in the 2nd area
  • a transfer sheet having a transfer layer on a release sheet having a base material layer having a first region and a second region on a surface on the transfer layer side, and the base material
  • the second region of the layer has a protrusion and a peripheral region located around the protrusion, and the peripheral region includes a plurality of peripheral protrusions partially disposed,
  • the transfer sheet which has a colored layer on a protrusion part and the said periphery protrusion part.
  • A1 The process of apply
  • A2) Using a plate having a shape complementary to the first region and the second region, the uncured resin layer is shaped, and simultaneously irradiated with ionizing radiation to cure the shaped resin layer and support The process of obtaining the base material layer in which the resin layer was formed on the body.
  • A3) The process of forming a colored layer on the protrusion part in a 2nd area
  • a transfer sheet having a transfer layer on a release sheet, the release sheet having a first region for transferring to a transfer target and a second region for providing an alignment pattern.
  • the second region has a protrusion on the surface side of the transfer layer, and the transfer layer has a protrusion on the surface opposite to the surface on which the release sheet is provided.
  • a transfer sheet comprising an alignment pattern portion having a color layer on the protruding portion.
  • a method for producing a transfer sheet according to [7] [9] A method for producing a decorative molded product, comprising: a step of transferring the transfer layer of the transfer sheet according to [7] to a transfer target; and a step of peeling the release sheet of the transfer sheet.
  • a transfer sheet having a transfer layer on a release sheet, the release sheet having a first region for transferring to a transfer object and a second region for providing an alignment pattern.
  • the second layer of the base material layer has a convex portion on the surface side of the transfer layer, and the transfer layer has the convex surface on the surface opposite to the release sheet.
  • a pattern portion for alignment having a follow-up projecting portion based on the portion, the height h of the convex portion is 1.0 to 6.0 ⁇ m, and the distance d between the end portions of the convex portion is 10
  • a transfer sheet having a thickness of 500 ⁇ m.
  • a transfer sheet that can transfer a transfer layer to an accurate position of a transfer object, a method for manufacturing the transfer sheet, and a method for manufacturing a decorative molded product using the transfer sheet.
  • the transfer sheet according to the first embodiment of the present invention is a transfer sheet having a transfer layer on a release sheet, and the release sheet has a first region and a second region on a surface on the transfer layer side.
  • the substrate layer has a protruding portion in the second region of the substrate layer, and further has a colored layer on the protruding portion.
  • 1 to 4 are sectional views of a transfer sheet 100 according to the first embodiment of the present invention.
  • the transfer sheet 100 has a transfer layer 20 on a release sheet 10.
  • the release sheet 10 includes a base material layer 11 having a first region R 1 and a second region R 2 on the surface on the transfer layer 20 side, and the second base material layer 11 has a second layer.
  • the protrusion 3 is provided in the region R 2
  • the colored layer 12 is further provided on the protrusion 3.
  • the release sheet 10 is composed of a support 1, a base material layer 11 including a resin layer 2 and a protruding portion 3, a colored layer 12 and a release layer 13. Yes.
  • the transfer layer 20 includes a protective layer 21, an adhesive layer 22, and a print layer 23. 1 to 4 show an embodiment of the transfer sheet of the present invention, and the transfer sheet of the present invention is not limited to the configuration of FIGS.
  • the release sheet has a base material layer having a first region and a second region on the surface on the transfer layer side, a protrusion in the second region of the base material layer, and a colored layer on the protrusion It is what has.
  • the release sheet is peeled off after the transfer layer is transferred to a transfer object such as a resin molded body.
  • Base layer 11 As shown in FIGS. 1 to 4, having a first region R 1 and the second region R 2 on the surface of the transfer layer 20 side. Further, as shown in FIGS. 3 to 4, the base material layer 11 may further have another region R n on the surface on the transfer layer 20 side.
  • the base material layer 11 is formed of, for example, a support 1 and a resin layer 2 as shown in FIGS.
  • the base material layer 11 may be a single layer of the support 1 or the resin layer 2 or may have a configuration of three or more layers having layers other than the support 1 and the resin layer 2.
  • Examples of the support 1 constituting the base layer 11 include polyolefin resins such as polyethylene and polypropylene, polyvinyl chloride, polyvinylidene chloride, polyvinyl alcohol, ethylene / vinyl acetate copolymer, ethylene / vinyl alcohol copolymer, and the like.
  • Polyester resins such as vinyl resins, polyethylene terephthalate, polyethylene naphthalate, polybutylene terephthalate, acrylic resins such as poly (meth) methyl acrylate and poly (meth) ethyl acrylate, styrene resins such as polystyrene, nylon 6
  • a plastic film made of a resin such as a polyamide-based resin typified by nylon 66 can be used.
  • a biaxially stretched polyester film that is excellent in heat resistance, dimensional stability, and alignment suitability is suitable.
  • the thickness of the support 1 is preferably 12 to 150 ⁇ m, and more preferably 25 to 100 ⁇ m, from the viewpoints of moldability, shape followability, and handling.
  • the surface of the support 1 is preliminarily subjected to physical treatment such as corona discharge treatment and oxidation treatment and application of a paint called an anchor agent or a primer in order to enhance the adhesion with the resin layer 2 and the like. Also good.
  • the resin layer 2 is preferably composed mainly of resin components such as a thermoplastic resin, a cured product of a thermosetting resin composition, and a cured product of an ionizing radiation curable resin composition.
  • the resin component used for forming the resin layer 2 preferably has a solid content of 20 to 100% by mass, more preferably 25 to 95% by mass, and even more preferably 30 to 90% by mass.
  • a cured product of an ionizing radiation curable resin composition that is excellent in strength and capable of giving an accurate and precise shape because it is instantly cured is preferable.
  • the ionizing radiation curable resin composition it is preferable to include 70 mass% or more of a cured product of the ionizing radiation curable resin composition among all the resin components constituting the resin layer 2. More preferably, 90% by mass or more is included, more preferably 95% by mass or more, and even more preferably 100% by mass.
  • the resin layer 2 may be formed by coating, but from the viewpoint of forming an accurate and precise shape, the resin layer 2 may be formed by printing using a plate having a shape complementary to the first region and the second region. preferable. When the resin layer 2 has other regions, it is preferable that the plate further has a shape complementary to the other regions. Details of the method of forming the resin layer 2 using a plate will be described later.
  • thermoplastic resin examples include acrylic resins, cellulose resins, urethane resins, vinyl chloride resins, polyester resins, polyolefin resins, polycarbonate, nylon, polystyrene, and ABS resins.
  • the thermosetting resin composition is a composition containing at least a thermosetting resin, and is a resin composition that is cured by heating.
  • thermosetting resin examples include acrylic resins, urethane resins, phenol resins, urea melamine resins, epoxy resins, unsaturated polyester resins, silicone resins, and the like. In the thermosetting resin composition, a curing agent is added to these curable resins as necessary.
  • the ionizing radiation curable resin composition is a composition containing a compound having an ionizing radiation curable functional group (hereinafter also referred to as “ionizing radiation curable compound”).
  • a compound having an ionizing radiation curable functional group include an ethylenically unsaturated bond group such as a (meth) acryloyl group, a vinyl group, and an allyl group, an epoxy group, and an oxetanyl group.
  • a compound having an ethylenically unsaturated bond group is preferable.
  • the ionizing radiation curable resin is more preferably a compound having two or more ethylenically unsaturated bond groups, and in particular, an ethylenically unsaturated group.
  • a polyfunctional (meth) acrylate compound having two or more saturated bonding groups is more preferable.
  • the polyfunctional (meth) acrylate compound any of a monomer and an oligomer can be used.
  • the ionizing radiation means an electromagnetic wave or a charged particle beam having an energy quantum capable of polymerizing or cross-linking molecules, and usually ultraviolet (UV) or electron beam (EB) is used. Electromagnetic waves such as X-rays and ⁇ -rays, and charged particle beams such as ⁇ -rays and ion beams can also be used.
  • bifunctional (meth) acrylate monomers include ethylene glycol di (meth) acrylate, bisphenol A tetraethoxydiacrylate, bisphenol A tetrapropoxydiacrylate, and 1,6-hexane. Examples thereof include diol diacrylate.
  • Examples of the tri- or higher functional (meth) acrylate monomer include trimethylolpropane tri (meth) acrylate, pentaerythritol tri (meth) acrylate, pentaerythritol tetra (meth) acrylate, dipentaerythritol hexa (meth) acrylate, di Examples include pentaerythritol tetra (meth) acrylate and isocyanuric acid-modified tri (meth) acrylate.
  • the (meth) acrylate-based monomer may be modified by partially modifying the molecular skeleton, and is modified with ethylene oxide, propylene oxide, caprolactone, isocyanuric acid, alkyl, cyclic alkyl, aromatic, bisphenol, or the like. Can also be used.
  • examples of the polyfunctional (meth) acrylate oligomer include acrylate polymers such as urethane (meth) acrylate, epoxy (meth) acrylate, polyester (meth) acrylate, and polyether (meth) acrylate.
  • Urethane (meth) acrylate is obtained by reaction of polyhydric alcohol and organic diisocyanate with hydroxy (meth) acrylate, for example.
  • a preferable epoxy (meth) acrylate is a (meth) acrylate obtained by reacting (meth) acrylic acid with a tri- or higher functional aromatic epoxy resin, alicyclic epoxy resin, aliphatic epoxy resin or the like.
  • (Meth) acrylates obtained by reacting the above aromatic epoxy resins, alicyclic epoxy resins, aliphatic epoxy resins and the like with polybasic acids and (meth) acrylic acid, and bifunctional or higher functional aromatic epoxy resins, It is a (meth) acrylate obtained by reacting an alicyclic epoxy resin, an aliphatic epoxy resin or the like with a phenol and (meth) acrylic acid.
  • the ionizing radiation curable resin can be used alone or in combination of two or more.
  • the resin layer forming ink preferably contains additives such as a photopolymerization initiator and a photopolymerization accelerator.
  • a photopolymerization initiator include one or more selected from acetophenone, benzophenone, ⁇ -hydroxyalkylphenone, Michler's ketone, benzoin, benzyldimethyl ketal, benzoylbenzoate, ⁇ -acyloxime ester, thioxanthones and the like.
  • the photopolymerization accelerator can reduce polymerization inhibition by air during curing and increase the curing speed. For example, p-dimethylaminobenzoic acid isoamyl ester, p-dimethylaminobenzoic acid ethyl ester, etc. One or more selected may be mentioned.
  • the thickness (t) of the resin layer is not particularly limited, but is preferably 1 to 15 ⁇ m, more preferably 2 to 12 ⁇ m, and further preferably 3 to 10 ⁇ m.
  • the surface shape of the first region of the base material layer is not particularly limited.
  • the surface shape of the first region R 1 of the base layer 11 may be a substantially smooth as shown in FIG. 1, or may be uneven as in FIGS. 2-4.
  • FIG. 1 when the surface shape of the first region R 1 of the base layer 11 is substantially smooth, it can be made substantially smooth surface shape of the transfer layer 20 has been transferred to the transfer target, the resulting pressure The gloss of the decorative molded product can be increased.
  • FIGS. 2 to 4 when the first region R 1 has the concavo-convex portion 5, the transferred material has a transfer layer 20 having a shape complementary to the concavo-convex portion (on the concavo-convex portion 5.
  • the transfer layer 20) having a concavo-convex complementary shape relaxed by the release layer 13 is transferred, and the concavo-convex shape can be imparted to the surface of the resulting decorative molded product.
  • grooved part and the protrusion part mentioned later satisfy
  • the colored layer can be easily adhered to the top of the protruding portion, and alignment can be performed accurately.
  • [the maximum height of the uneven portion in the first region / the height of the protruding portion] is preferably 0.50 or less, and more preferably 0.40 or less.
  • the [average roughness of the uneven portion in the first region / height of the protruding portion] is preferably 0.20 or less, and more preferably 0.15 or less.
  • the maximum height means the maximum height roughness Rz of JIS B0601: 2001 at a cutoff value of 0.8 mm
  • the average roughness means JIS B0601: 2001 at a cutoff value of 0.8 mm.
  • numerical values related to height, roughness, width, and thickness are average values of values measured ten times unless otherwise specified.
  • the absolute value of the degree of unevenness in the first region is not particularly limited, but the maximum height roughness Rz is about 0.2 to 4.0 ⁇ m. It is preferable to do.
  • the arithmetic average roughness Ra is preferably about 0.05 to 2.0 ⁇ m.
  • the release sheet 10 has a protruding portion 3 in the second region R 2 of the base material layer 11, and further has a colored layer 12 on the protruding portion 3.
  • the second region R 2 and the first region R 1 described above are formed at different locations in the width direction (TD: Transverse Direction) of the release sheet 10. preferable.
  • the colored layer 12 is not formed in the first region R 1, but on the protruding portion 3 of the second region R 2.
  • the colored layer 12 can be easily formed. 5 to 7 show a state in which the surface of the release sheet is visible through the transfer layer.
  • the portion having the protruding portion and the colored layer in the second region is different in light transmittance or light reflectance from the surrounding portions.
  • the transfer sheet can be aligned in an arbitrary process.
  • the light transmittance may be any of transmittance in the normal transmission direction, diffuse transmittance, and total transmittance.
  • the light reflectance may be any of transmittance in the regular reflection direction, diffuse reflectance, and total reflectance.
  • Examples of the optional step of aligning include a step of slitting the transfer sheet in a long length, a step of punching the transfer sheet into a sheet, and a step of transferring the transfer sheet to a transfer object. A specific method of alignment will be described later.
  • the protruding portion is formed of an arbitrary structure, and the shape and the like of the structure are not particularly limited, but the shapes and the like exemplified below are preferable.
  • the height (H) of the protrusion is preferably 1 to 10 ⁇ m, more preferably 2 to 7 ⁇ m, and further preferably 3 to 6 ⁇ m.
  • the height of the protruding portion 3 is set to 1 ⁇ m or more, as shown in FIGS. 1 to 4, it becomes easy to form a fine protrusion on the surface of the transfer sheet 100 on the transfer layer 20 side. It is possible to easily suppress blocking when winding a sheet or stacking single transfer sheets.
  • the height of the protruding portion is hardly deformed by a load, and the alignment accuracy can be easily maintained.
  • the difference in light transmittance between the portion having the protrusion and the surrounding portion is 30% or more.
  • the difference in light reflectance between the portion having the protruding portion and the surrounding portion is 30% or more.
  • the width (W) of the protrusion is preferably 0.1 to 10.0 mm, more preferably 1.0 to 7.0 mm, and still more preferably 3.0 to 6.0 mm.
  • the width of the protruding portion is 0.1 mm or more, the distinction from the peripheral portion becomes clear and alignment can be easily performed.
  • the effect which suppresses the blocking mentioned above also improves by making the width
  • the protrusion has a ratio of height (H) to width (W) of 1: 10,000 to 1:10 from the viewpoint of the balance between the effects of height (H) and width (W) described above. Is more preferably 1: 3,000 to 1: 140, and even more preferably 1: 1,350 to 1: 500.
  • the height (H) of the protrusion is orthogonal to the extending direction of the structure (eg, the direction of “d” in FIGS. 5 to 7) of the structure forming the protrusion.
  • the width (W) of the protruding portion refers to the width of the bottom portion of a cross section obtained by cutting the structure forming the protruding portion in a direction orthogonal to the extending direction of the structure.
  • the protrusion 3 is preferably formed from a row of structures extending in a direction parallel to any one side of the transfer sheet 100.
  • the row-like structures are continuously stretched without interruption, but the row-like structures may be intermittently stretched as shown in FIG. 6.
  • the interval (P 2 ) between the ends of each structure is preferably 0.1 to 10.0 mm, and 1.0 to 7.0 mm. More preferably, the thickness is 3.0 to 6.0 mm.
  • the direction in which the row-shaped structures are stretched is preferably the flow direction (MD: Machine Direction) of the transfer sheet 100.
  • the on the second region R 2 may have a protruding portion 3 alone, or may be plural have. Also, if having a plurality of protrusions 3 in the second region R 2, as shown in FIGS. 2-7, it is preferable that at least one pair of projecting portions 3 are parallel to each other. In addition, it is more preferable that at least one pair of protrusions 3 are parallel to each other in the flow direction of the transfer sheet 100. By arranging at least one set of protrusions 3 in parallel with each other, when forming the colored layer 12, the colored layer 12 is easily formed on the protrusions 3, while between the pair of protrusions 3. The colored layer 12 is hardly formed.
  • the contrast of the light transmittance or the light reflectance between the part having the protrusions 3 and the part between the pair of protrusions 3 becomes clear, and alignment can be facilitated.
  • the depth of the plate forming the colored layer is increased, so that the space between the set of protrusions 3 is as shown in FIGS. Even if the colored layer 12 is formed in the peripheral portion of the protruding portion 3 excluding the portion, the colored layer 12 is difficult to be formed between the pair of protruding portions 3, so that the alignment is possible.
  • the alignment can be performed even if the accuracy of pattern printing for alignment is slightly reduced.
  • the contrast for alignment can be easily clarified even if the height of the protrusions 3 is low.
  • the contrast of light transmittance or light reflectance can be formed linearly, and the alignment accuracy can be improved, and the above-described blocking is suppressed. To improve the effect.
  • the interval (P 1 ) between the ends of the pair of protrusions 3 is preferably 0.1 to 10.0 mm, and 1.0 to 7.0 mm. More preferably, the thickness is 1.5 to 5.0 mm.
  • a set of protrusion part 3 is the row-shaped structure mentioned above. Furthermore, it is more preferable that the set of protrusions 3 is one that extends intermittently in the above-described row of structures.
  • the cross section obtained by cutting the structure forming the protruding portion in a direction orthogonal to the extending direction of the structure has a substantially rectangular shape.
  • the protrusion and the transfer layer described later preferably satisfy the relationship of [the height of the protrusion / the thickness of the transfer layer] of 0.1 to 5.0, preferably 0.2 to 3.5. It is more preferable to satisfy the relationship, and it is further preferable to satisfy the relationship of 0.3 to 1.0.
  • the ratio By setting the ratio to be 0.1 or more, it is possible to easily suppress blocking when winding a long transfer sheet or stacking single transfer sheets, and the ratio is set to 5.0 or less. As a result, the protruding portion is not easily deformed by the load, and the alignment accuracy can be easily maintained.
  • the timing for removing the second region is, for example, (1) when the transfer sheet is slit long, (2) when the transfer sheet is cut into sheets, and (3) the transfer sheet is transferred. And the like during the trimming process after the transfer.
  • the colored layer is formed on the protruding portion and has a role of causing a light transmittance or a light reflectance contrast with the peripheral portion.
  • the “colored layer” in this specification includes a layer that looks whitish due to light diffusion (for example, a layer that looks like frosted glass).
  • the colored layer is preferably mainly composed of a binder resin and a pigment and / or a matting agent.
  • the pigment of the colored layer it is preferable to include a pigment having high concealability or a pigment having high reflectance.
  • a black pigment such as carbon black is preferable as the pigment having high concealability.
  • the pigment having high reflectance include barium sulfate, titanium oxide, and pearl pigment.
  • the matting agent for the colored layer can be used without any particular limitation as long as it provides irregularities on the surface of the colored layer and causes external haze.
  • examples of the matting agent include inorganic particles such as silica and alumina, and organic particles such as acrylic particles and styrene particles.
  • the binder resin of the colored layer is not particularly limited, and a general-purpose thermoplastic resin, a cured product of a thermosetting resin composition, or a cured product of an ionizing radiation curable resin composition can be used.
  • the thickness of the colored layer may be adjusted within a range where contrast for alignment is obtained, and is usually about 0.3 to 5.0 ⁇ m.
  • the surface of the release sheet on the transfer layer side may have other regions other than the first region and the second region. By having other regions, the alignment accuracy can be further improved, and the design of the transfer object can be further improved.
  • the position in the direction orthogonal to the flow direction is higher than the configuration of the second region R 2. Alignment is possible, but alignment in the flow direction is not possible. In such a case, by forming a position detector in the other region R n, it is possible to further improve the accuracy of the alignment.
  • Position detection unit for example, as shown in FIGS. 3 and 6, the second protrusion 6 formed in the other region R n of the base layer 11, formed on the protruding portion 6 of the second
  • the structure which consists of the made 2nd colored layer 14 is mentioned.
  • Second protrusion 6 may be formed on at least a portion of the other region R n.
  • the second protrusion 6 preferably has a straight line parallel to the width direction of the transfer sheet when observed from the plane direction, and has a substantially rectangular shape having a straight line parallel to the width direction of the transfer sheet. Is more preferable, and a substantially rectangular shape having straight lines parallel to the width direction and the flow direction of the transfer sheet is more preferable.
  • the length of the straight line is preferably 2 to 20 mm, more preferably 3 to 15 mm. More preferably, it is 10 mm.
  • the height of the second protrusion 6 is preferably 1 to 10 ⁇ m, more preferably 2 to 7 ⁇ m, and even more preferably 3 to 6 ⁇ m.
  • the height of the second protrusion 6 is preferably the same as the height of the protrusion 3 in the second region.
  • the contrast of the light transmittance or the light reflectance between the portion having the second projecting portion 6 and its peripheral portion becomes clear, and the alignment can be facilitated.
  • the height of the protruding portion 3 is set to 1 ⁇ m or more, as shown in FIG. It is easy to suppress blocking when taking or stacking a single transfer sheet. Further, by setting the height of the protruding portion 3 to 10 ⁇ m or less, the protruding portion is hardly deformed by a load, and the alignment accuracy can be easily maintained.
  • the difference in light transmittance between the portion having the second protrusion 6 and the surrounding portion is preferably 30% or more. Moreover, when detecting a position by the difference in light reflectance, it is preferable that the difference in light reflectance between the location having the second protrusion 6 and the surrounding location is 30% or more.
  • grooved part is mentioned.
  • the degree of unevenness of the second uneven portion 7 is reduced, the second colored layer 14 is easily formed not only on the second uneven portion 7 but also around the second uneven portion 7.
  • the thickness of the second colored layer 14 formed around the second uneven portion 7 is thick overall. For this reason, a contrast of light transmittance or light reflectance occurs between the second uneven portion 7 and the periphery of the second uneven portion 7 due to the difference in the adhesion density of the second colored layer 14. The position can be detected.
  • the second colored layer 14 is easily formed on the protruded portion of the second uneven portion 7, while the recessed portion of the second uneven portion 7 is formed.
  • the second concave-convex part 7 may be formed on at least a portion of the other region R n. Further, the second concavo-convex portion 7 preferably has a straight line parallel to the width direction of the transfer sheet when observed from the plane direction, and has a substantially rectangular shape having a straight line parallel to the width direction of the transfer sheet. Is more preferable, and it is more preferable that the transfer sheet has a substantially rectangular shape having straight lines parallel to the width direction and the flow direction of the transfer sheet.
  • the length of the straight line is preferably 2 to 20 mm, more preferably 3 to 15 mm. More preferably, it is 10 mm.
  • the second uneven portion 7 preferably satisfies the relationship [maximum height of the second uneven portion ⁇ height of the protruding portion of the second region].
  • [Maximum height of the second uneven portion / height of the protruding portion of the second region] is preferably 0.50 or less, and more preferably 0.40 or less.
  • [Average roughness of second uneven portion / height of protruding portion of second region] is preferably 0.20 or less, and more preferably 0.15 or less.
  • the maximum height roughness Rz of the second uneven portion 7 is preferably 0.2 to 4.0 ⁇ m.
  • the arithmetic average roughness Ra of the second uneven portion 7 is preferably 0.05 to 2.0 ⁇ m.
  • the second colored layer 14 is preferably mainly composed of a binder resin and a pigment and / or a matting agent.
  • the embodiment of the binder resin, pigment, and matting agent of the second colored layer 14 is the same as the embodiment of the binder resin, pigment, and matting agent of the colored layer 12 formed on the protruding portion.
  • the thickness of the second colored layer 14 may be adjusted within a range in which a contrast for alignment is obtained, and is usually about 0.3 to 5.0 ⁇ m.
  • the release sheet 10 is formed at different places in the width direction. With this positional relationship, positioning in the flow direction when forming the second colored layer 14 becomes unnecessary (the second colored layer 14 can be continuously formed in the flow direction), and workability can be improved.
  • the position detection means described above When the position detection means described above is formed in other areas, it is preferable to remove the other areas when they are transferred to the transfer object and a decorative molded product is obtained.
  • the timing for removing the other regions include (1) the process of slitting the transfer sheet into a long length, (2) the process of punching the transfer sheet into a sheet, and (3) the transfer sheet to be transferred. And the like during the trimming process after the transfer.
  • a shape different from the shape of the first region may be formed in other regions. For example, (a) when the first region has a concavo-convex shape, make the shape of the other region substantially smooth, and (b) when the first region has a concavo-convex shape, change the shape of the other region to the first region. It is conceivable that the concavo-convex shape is different from the concavo-convex shape, and (c) when the shape of the first region is substantially smooth, the shape of the other region is the concavo-convex shape.
  • the surface shape of the transfer layer transferred to the transfer object can be changed depending on the location. For this reason, the obtained decorative molded product has different glossiness depending on the place, and can improve the design.
  • the release sheet 10 of the transfer sheet 100 is formed so as to be peelable at the interface with the transfer layer 20 when it is in close contact with the transfer object.
  • the release sheet 10 preferably has a release layer 13 on at least a part of the surface in contact with the transfer layer 20. Further, from the viewpoint of uniform release property within the surface of the transfer sheet 100, as shown in FIGS. 1 to 4, the release sheet 10 has a release layer on the entire surface on the side in contact with the transfer layer 20. 13 is preferable.
  • corrugation is relieve
  • “glare” refers to a phenomenon in which minute luminance variations are seen in image light due to the uneven structure on the surface. That is, by forming the release layer on the concavo-convex portion, glare can be suppressed when a decorative molded product is used on the front surface of the display element.
  • the release layer 13 is mainly composed of a resin.
  • the resin of the release layer 13 is not particularly limited as long as it has a predetermined film strength and has a low adhesive strength with the transfer layer 20, and is a general-purpose thermoplastic resin, a cured product of a thermosetting resin composition, Examples include a cured product of an ionizing radiation curable resin composition. Specifically, fluorine resin, silicone resin, acrylic resin, polyester resin, polyolefin resin, polystyrene resin, polyurethane resin, cellulose resin, vinyl chloride-vinyl acetate copolymer resin, nitrified cotton Etc. Among these, the hardened
  • the release layer 13 may further contain a release agent in order to improve the release property.
  • a release agent examples include waxes such as synthetic wax and natural washes.
  • the synthetic wax is preferably a polyolefin wax such as polyethylene wax or polypropylene wax.
  • the thickness of the release layer 13 is preferably 0.1 to 5.0 ⁇ m, more preferably 0.2 to 3.0 ⁇ m, and further preferably 0.3 to 1.0 ⁇ m.
  • the thickness of the release layer 13 and the average roughness of the uneven shape of the first region are 0.05 ⁇ [ It is preferable that the relationship of the thickness of the release layer / the average roughness of the unevenness in the first region] ⁇ 100 is satisfied, and 0.3 ⁇ [the thickness of the release layer / the average roughness of the unevenness in the first region] ] ⁇ 10 is more preferable, and it is more preferable that the relationship 0.5 ⁇ [thickness of release layer / average roughness of the unevenness of the first region] ⁇ 3.0 is satisfied.
  • the release sheet 10 may have other layers. Examples of other layers include an antistatic layer. When the release sheet 10 has an antistatic layer, it is possible to suppress the release charge when the release sheet is peeled off, and to improve the transfer workability.
  • the antistatic layer preferably contains an antistatic agent such as an electron conductive antistatic agent or an ion conductive antistatic agent, and a binder resin.
  • the antistatic layer is preferably formed on the surface of the release sheet opposite to the surface in contact with the transfer layer.
  • the antistatic layer preferably has a surface resistivity adjusted to a range of 1.0 ⁇ 10 ⁇ 9 ⁇ / ⁇ to 1.0 ⁇ 10 ⁇ 12 ⁇ / ⁇ .
  • An antistatic agent may be contained in another layer such as a resin layer to exhibit antistatic properties.
  • the release sheet can be produced, for example, by the following steps (A1) to (A3).
  • (A1) The process of apply
  • (A2) Using a plate having a shape complementary to the first region and the second region, the uncured resin layer is shaped, and simultaneously irradiated with ionizing radiation to cure the shaped resin layer and support The process of obtaining the base material layer in which the resin layer was formed on the body.
  • (A3) The process of forming a colored layer on the protrusion part in the 2nd area
  • the ionizing radiation curable resin composition contains a solvent
  • the release sheet has a release layer
  • a plate having a shape complementary to the first region, the second region, and the other regions may be used as the plate in the step (A2).
  • the second colored layer is formed on the second concavo-convex portion of the other region and its peripheral portion simultaneously with the step (A3) or in a separate step. It is preferable to do.
  • the plate used in the step (A2) can be obtained by engraving the surface of the cylinder into a desired shape by, for example, etching, sandblasting, cutting and laser processing, or a combination thereof.
  • a long male plate (a plate having the same shape as the first region and the second region) is prepared by laser engraving, stereolithography, and the like, and is obtained by wrapping an inverted version around the cylinder surface. be able to.
  • the surface of these plates is preferably hard-plated with chromium or the like.
  • the release sheet can also be produced, for example, by the following steps (a1) to (a3).
  • A1 A step of filling a plate having a shape complementary to the first region and the second region with resin layer forming ink.
  • A2) The resin layer forming ink filled in the plate is transferred onto a support, dried and cured as necessary to form a resin layer, and a base material layer having a resin layer formed on the support is formed. Obtaining step.
  • (A3) The process of forming a colored layer on the protrusion part in the 2nd area
  • a step of forming a release layer on at least part of the resin layer and / or the colored layer may be performed.
  • the release sheet has other regions, a plate having a shape complementary to the first region, the second region, and the other regions may be used as the plate in the step (a2).
  • the second colored layer is formed on the second concavo-convex part of the other region and its peripheral part simultaneously with the step (a3) or in a separate step. It is preferable to do.
  • the transfer sheet is preferably manufactured with multiple impositions as shown in FIG. 7 from the viewpoint of manufacturing efficiency. Similarly, it is preferable that the release sheet is also manufactured by multiple imposition. For this reason, it is preferable that the plate used in the step (A2) or the step (a1) is a plate corresponding to the multi-page imposition.
  • the first region and the second region are arranged at accurate positions.
  • the arrangement of the first region and the second region is important.
  • a plate in which the first region and the second region are arranged at accurate positions can be manufactured by the following steps (y1) to (y4).
  • a concave portion 40 having a shape complementary to the protruding portion of the second region is formed on the surface of the cylinder 30 (FIG. 9A).
  • Y2 Using the concave portion as a reference for alignment, the surface of the cylinder 30 is covered with a mask 50 in which a portion 60 for forming the concave portion in the first region is punched (FIG. 9B).
  • Y3 Irregularities having a shape complementary to the irregularities in the first region are formed at locations not covered with the mask 50.
  • the mask 50 is removed (FIG. 9C), and the surface of the cylinder is hard-plated.
  • the step (y1) can be performed by etching, for example.
  • the cylinder preferably has a surface plated with a thick film.
  • the recess 40 is formed, and a recess 70 having a shape complementary to the second protrusion of the other region is formed (FIG. 9A). )
  • a mask in which a portion for forming the concavo-convex shape in other regions is punched may be used.
  • the step (y3) can be performed by, for example, etching or blasting. Blasting is preferred from the viewpoint of lowering the height than the protruding portion of the second region and the ease of adjusting the matte feeling.
  • the particle shape (spherical, indeterminate), particle diameter, particle material (glass beads, organic particles, inorganic particles, iron, sand, etc.) used for blasting, and the distance to inject the particles
  • the speed, time, angle, etc. By adjusting the speed, time, angle, etc., the shape to be imparted by blasting can be adjusted.
  • the hard plating in the step (y4) include chrome plating.
  • a transfer layer 20 is formed on at least a part of the release sheet 10.
  • the transfer layer 20 is a layer to be transferred to the transfer object, and has, for example, a protective layer 21 and an adhesive layer 22 in order from the side close to the release sheet 10 as shown in FIGS.
  • Transfer layer 20 is preferably formed on the whole of the portion corresponding to the first region R 1 of the base layer 11, as shown in FIGS. 1 to 4, more be formed on the entire surface of the release sheet 10 preferable.
  • the protective layer 21 has a role of protecting the decorative molded product from abrasion, light, chemicals, and the like after the transfer layer 20 is transferred from the transfer sheet 100 to the transfer target.
  • the protective layer 21 which has a shape complementary to this uneven
  • the protective layer 21 with the substantially smooth surface is provided to the surface of a decorative molded product, and the glossiness of a decorative molded product can be made high.
  • the protective layer 21 preferably contains a resin component such as a thermoplastic resin, a cured product of a thermosetting resin composition, and a cured product of an ionizing radiation curable resin composition as a main component.
  • the main component means 50% by mass or more of the total solid content constituting the protective layer, and the ratio is preferably 70% by mass or more, and more preferably 80% by mass or more.
  • the resin components a cured product of an ionizing radiation curable resin composition having excellent strength is preferable.
  • 70% by mass or more of a cured product of the ionizing radiation curable resin composition is included among all resin components constituting the protective layer, More preferably, it is contained more than 95 mass%, more preferably more than 95 mass%, and still more preferably 100 mass%.
  • the embodiment of the resin component such as the ionizing radiation curable resin composition of the protective layer 21 is the same as the embodiment of the resin component of the resin layer described above.
  • a thermosetting resin composition and / or ionizing radiation curable resin composition as a material which forms the protective layer 21, from the viewpoint of moldability, at the time of forming the protective layer 21, a thermosetting resin is used.
  • the composition and / or the ionizing radiation curable resin composition is left in a semi-cured state, and after being transferred to the transfer object, the curing of the thermosetting resin composition and / or the ionizing radiation curable resin composition proceeds. It is preferable to completely cure.
  • the protective layer 21 may contain particles such as organic particles and inorganic particles. By containing particles in the protective layer 21, glare and defects can be made inconspicuous due to the expression of internal haze due to the difference in refractive index from the resin component. For the same purpose, these particles may be contained in an adhesive layer, an anchor layer, etc. described later.
  • organic particles examples include particles made of polymethyl methacrylate, polyacryl-styrene copolymer, melamine resin, polycarbonate, polystyrene, polyvinyl chloride, benzoguanamine-melamine-formaldehyde condensate, silicone, fluorine resin, polyester resin, and the like. Can be mentioned.
  • examples of the inorganic particles include particles made of silica, alumina, antimony, zirconia, titania and the like.
  • the average particle size of the particles is preferably 0.05 to 5.0 ⁇ m, more preferably 0.5 to 3.0 ⁇ m.
  • the average particle diameter is a 50% particle diameter (d50: median diameter) when the particles in a solution are measured by a dynamic light scattering method and the particle diameter distribution is represented by a cumulative mass distribution.
  • the 50% particle diameter can be measured using, for example, a Microtrac particle size analyzer (manufactured by Nikkiso Co., Ltd.).
  • the content of the particles is preferably 0.1 to 20 parts by mass, and more preferably 1 to 10 parts by mass with respect to 100 parts by mass of the resin component of the protective layer 21.
  • the thickness of the protective layer 21 is preferably 0.5 to 30 ⁇ m, more preferably 1.0 to 20 ⁇ m, and more preferably 2.0 to 10 ⁇ m from the viewpoint of the balance between surface hardness and moldability. Is more preferable.
  • the adhesive layer 22 has a role of improving the transfer work by improving the adhesion between the transfer object 20 such as a resin molded body and the transfer layer 20. In addition, when the adhesiveness between the protective layer 21 and the transfer object is good, the adhesive layer need not be provided.
  • the adhesive layer 22 is preferably made of a heat sensitive or pressure sensitive resin suitable for the material of the transfer object.
  • a heat sensitive or pressure sensitive resin suitable for the material of the transfer object.
  • the material of the transfer object is an acrylic resin
  • the material of the transferred material is polyphenylene oxide / polystyrene resin, polycarbonate resin, or styrene resin, use an acrylic resin, polystyrene resin, polyamide resin, or the like that has an affinity for these resins. Is preferred.
  • the material of the transfer object is a polypropylene resin
  • a chlorinated polyolefin resin a chlorinated ethylene-vinyl acetate copolymer resin, a cyclized rubber, or a coumarone indene resin.
  • the adhesive layer 22 may contain additives such as an ultraviolet absorber and an infrared absorber.
  • the ultraviolet absorber may be inorganic or organic, but an organic ultraviolet absorber is preferable from the viewpoint of excellent transparency. Examples of inorganic ultraviolet absorbers include titanium dioxide, cerium oxide, and zinc oxide.
  • organic UV absorbers examples include benzotriazole UV absorbers, triazine UV absorbers, benzophenone UV absorbers, salicylate UV absorbers, benzoate UV absorbers, cyanoacrylate UV absorbers, hydroxy A phenyl triazine type ultraviolet absorber, a nickel chelate type ultraviolet absorber, etc. are mentioned.
  • the infrared absorber examples include titanium oxide, zinc oxide, indium oxide, tin-doped indium oxide (ITO), tin oxide, antimony-doped tin oxide (ATO), and zinc sulfide metal oxide-based infrared absorber.
  • the thickness of the adhesive layer is preferably 0.1 to 20 ⁇ m, more preferably 0.5 to 15 ⁇ m, and further preferably 1.0 to 10 ⁇ m.
  • the anchor layer is a layer provided as necessary to improve heat resistance when placed in a high temperature environment such as in-mold molding.
  • the anchor layer is preferably formed between the protective layer 21 and the adhesive layer 22.
  • the anchor layer preferably contains a cured product of the curable resin composition.
  • the curable resin composition include a thermosetting resin composition and an ionizing radiation curable resin composition.
  • the embodiments of the thermosetting resin composition and ionizing radiation curable resin composition of the anchor layer are the same as the embodiments of the thermosetting resin composition and ionizing radiation curable resin composition of the resin layer.
  • the thickness of the anchor layer is preferably 0.1 to 6 ⁇ m, more preferably 0.3 to 5 ⁇ m, and even more preferably 0.5 to 4 ⁇ m.
  • the transfer layer 20 may further have a print layer 23 as shown in FIGS.
  • the printed layer 23 has a role of imparting a desired design property to the decorative molded product.
  • the print layer 23 is preferably arranged so as to be positioned at least in a part of the first region of the base material layer 11 when the transfer sheet 100 is observed from the planar direction. Further, the position in the thickness direction of the printing layer 23 may be arranged on the adhesive layer 22 as shown in FIGS. 1 to 4 or may be arranged between the adhesive layer 22 and the protective layer 21. Alternatively, it may be disposed between the protective layer 21 and the release sheet 10. From the viewpoint of protection of the printing layer 23 and adhesion to the transfer object, it is preferable to dispose the printing layer 23 between the adhesive layer 22 and the protection layer 21. Further, from the viewpoint of handling small lot products, it is preferable to dispose the printing layer 23 on the adhesive layer 22. When the printing layer 23 is disposed on the adhesive layer 22, the resin component of the printing layer 23 is a resin of the same type as the resin component of the adhesive layer from the viewpoint of uniform adhesion to the transfer target. It is preferable to use the same resin.
  • the pattern of the printing layer 23 is arbitrary, and examples thereof include wood grain, stone grain, cloth grain, sand grain, circle, square, polygon, geometric pattern, character, solid printing, and the like.
  • the print layer 23 preferably contains a binder resin such as a polyvinyl resin, a polyester resin, an acrylic resin, a polyvinyl acetal resin, or a cellulose resin, and a pigment and / or a dye.
  • the thickness of the printing layer 23 is preferably 0.25 to 20 ⁇ m, more preferably 0.5 to 15 ⁇ m, and further preferably 0.7 to 10 ⁇ m from the viewpoint of design.
  • the printing layer 23 is accurately adjusted by the protruding portion 5 in the second region, the colored layer 12 on the protruding portion, and the position detecting portion in other regions. Can be formed in position.
  • Each layer such as the protective layer 21, the adhesive layer 22, the anchor layer, and the printing layer 23 constituting the transfer layer 23 is prepared, for example, by adjusting ink containing the constituent components of each layer, and on the release sheet, a gravure coating method, a roll It can be formed by coating and drying by a coating method such as a coating method, a gravure printing method, a screen printing method or the like, and curing by irradiation with ionizing radiation as required.
  • the method for manufacturing a transfer sheet according to the first embodiment of the present invention is such that after a release sheet is manufactured by the following steps (A1) to (A3), a transfer layer is formed on at least a part of the release sheet. It is.
  • (A1) The process of apply
  • (A2) Using a plate having a shape complementary to the first region and the second region, the uncured resin layer is shaped, and simultaneously irradiated with ionizing radiation to cure the shaped resin layer and support The process of obtaining the base material layer in which the resin layer was formed on the body.
  • (A3) The process of forming a colored layer on the protrusion part in the 2nd area
  • the transfer sheet is preferably manufactured with multiple impositions as shown in FIG.
  • the transfer sheet manufactured in such a multi-face manner is subjected to a transfer process as a long transfer sheet or a single sheet transfer sheet.
  • the transfer sheet manufactured by the above process can easily form a colored layer, which is a pattern printing for alignment, on the protruding portion, and the light transmittance or light between the portion having the protruding portion and its peripheral portion.
  • the contrast of the reflectivity becomes clear and can be easily aligned.
  • Examples of the optional step of aligning include a step of slitting the transfer sheet in a long length, a step of punching the transfer sheet into a sheet, and a step of transferring the transfer sheet to a transfer object.
  • a second projecting portion 3 of the region R 2 are formed continuously in the flow direction of the transfer sheet, the contrast occurring in a direction perpendicular to the flow direction of the second region R 2 as shown in FIG. 7
  • the position in the direction orthogonal to the flow direction of the transfer sheet can be aligned, and the transfer sheet can be accurately slit in a long length.
  • FIG. 7 and a position detecting means to other regions R n.
  • the transfer sheet It can be accurately punched into single wafers. Also, orthogonal in slitting step and die cutting step described above, if leaving the second region R 2 and / or other regions R n, in transferring the transfer sheet to the transfer target, in the flow direction of the transfer sheet Can be aligned in the direction and / or flow direction and transferred to the correct position.
  • the contrast of the light transmittance difference can be detected by, for example, a light source installed below the transfer sheet and a light detection unit installed at a position facing the light source above the transfer sheet.
  • the contrast of the light reflectance difference can be detected by, for example, a light source and a light detection unit installed at an arbitrary angle above the transfer sheet.
  • the method for manufacturing a decorative molded product according to the first embodiment of the present invention includes the step of transferring the transfer layer 20 of the transfer sheet 100 of the present invention described above to the transfer object, and the release sheet 10 of the transfer sheet 100. And a step of peeling.
  • Examples of the material to be transferred include a resin molded body.
  • a known transfer method can be used for the method of manufacturing the decorative molded product. For example, (i) a method in which a transfer sheet is attached to a preliminarily molded transfer object, the transfer layer of the transfer sheet is transferred, and then the release sheet of the transfer sheet is peeled off; A method of sticking a transfer sheet to a transfer material, transferring the transfer layer of the transfer sheet, peeling off the release sheet of the transfer sheet, and then forming a transfer material on which the transfer layer is laminated, (iii) ) A method of integrating a transfer material with a transfer sheet at the time of injection molding and then peeling the release sheet of the transfer sheet [in-mold molding (injection molding simultaneous transfer decoration method)]. Among them, according to in-mold molding (injection molding simultaneous transfer decoration method), it is possible to perform decorative molding on a resin molded body having a complicated surface shape such as a three-dimensional curved surface.
  • the transfer sheet is arranged at an accurate position of the mold using these contrasts. be able to. Note that after the step (z4), it is preferable to trim (remove) unnecessary portions as necessary. When the position detectors of the second region and / or other regions remain, it is preferable to trim (remove) these regions.
  • thermoplastic resin As the resin molding, it is preferable to use a thermoplastic resin or a thermosetting resin that can be injection-molded, and various known resins can be used.
  • a thermoplastic resin examples include polystyrene resins, polyolefin resins, ABS resins (including heat-resistant ABS resins), AS resins, AN resins, polyphenylene oxide resins, polycarbonate resins, polyacetal resins, acrylic resins, Examples thereof include polyethylene terephthalate resin, polybutylene terephthalate resin, polysulfone resin, and polyphenylene sulfide resin.
  • FIG. 8 is a cross-sectional view showing an embodiment of a decorative molded product according to the present invention.
  • the decorative molded product 300 has a printed layer 23, an adhesive layer 22, and a protective layer 21 on one surface of a resin molded body (transfer object) 200.
  • a resin molded body transfer object
  • the second embodiment of the present invention has been made in view of the problem that the number of steps increases when the pattern for alignment is printed after the transfer sheet is completed. It is an object of the present invention to provide a transfer sheet capable of transferring a transfer layer to any position, a method for producing the transfer sheet, and a method for producing a decorative molded product using the transfer sheet.
  • the transfer sheet according to the second embodiment of the present invention is a transfer sheet having a transfer layer on a release sheet, and the release sheet has a first region and a second region on the transfer layer side surface.
  • the second region of the base material layer has a protruding portion and a peripheral region positioned around the protruding portion, and is partially disposed in the peripheral region.
  • 10 to 12 are sectional views of the transfer sheet 100 according to the second embodiment of the present invention.
  • the transfer sheet 100 has a transfer layer 20 on the release sheet 10.
  • the release sheet 10 has a base layer 11 having a first region R 1 and second regions R 2 , R 2A , R 2B on the surface on the transfer layer 20 side.
  • the second region of the timber layer 11 has projecting portions 3, 3A, and 3B
  • the peripheral area X is positioned around the projecting portion, X a, and X B, in the peripheral region is partially disposed
  • a plurality of peripheral protrusions 4, 4A, 4B are provided, and colored layers 12, 12A, 12B are provided on the protrusions and the peripheral protrusions. Describing more specifically with respect to FIG.
  • the release sheet 10 includes a support 1, a resin layer 2, a base layer 11 including a protrusion 3 and a peripheral protrusion 4, a colored layer 12, and a release layer. 13.
  • the transfer layer 20 includes a protective layer 21, an adhesive layer 22, and a print layer 23. 10 to 12 show an embodiment of the transfer sheet of the present invention, and the transfer sheet of the present invention is not limited to the configuration of FIGS. 10 to 12. In the second embodiment, description of what is substantially the same as the first embodiment is omitted.
  • the release sheet has a base material layer having a first region and a second region on the surface on the transfer layer side.
  • the second region of the base material layer includes a protrusion and a peripheral region located around the protrusion.
  • the peripheral region there are a plurality of peripheral protrusions partially arranged, and a coloring layer is provided on the protrusions and the peripheral protrusions.
  • the release sheet is peeled off after the transfer layer is transferred to a transfer object such as a resin molded body.
  • the base material layer 11 has a first region R 1 and second regions R 2 , R 2A , R 2B on the surface on the transfer layer 20 side. Further, although not shown, the base material layer may further have other regions on the surface on the transfer layer side.
  • the base layer 11 can be the same as that described in the first embodiment.
  • the resin layer 2 can be the same as that described in the first embodiment.
  • the surface shape of the first region of the base material layer is not particularly limited.
  • the surface shape of the first region R 1 of the base layer 11 may be a substantially smooth as shown in FIG. 10 may be uneven shape as shown in FIGS. 11 to 12.
  • FIG. 10 when the surface shape of the first region R 1 of the base layer 11 is substantially smooth, it can be made substantially smooth surface shape of the transfer layer 20 has been transferred to the transfer target, the resulting pressure The gloss of the decorative molded product can be increased. Further, as shown in FIGS.
  • the transferred material has a transfer layer 20 having a shape complementary to the concavo-convex portion (separated on the concavo-convex portion 5).
  • the transfer layer 20) having a concavo-convex complementary shape relaxed by the release layer 13 is transferred, and the concavo-convex shape can be imparted to the surface of the resulting decorative molded product.
  • the uneven portion and the later-described protrusion and the peripheral protrusion satisfy the relationship of [maximum height of the uneven portion ⁇ the height of the protrusion and the peripheral protrusion]. preferable.
  • the maximum height of the concavo-convex portion / the height of the protruding portion and the peripheral protruding portion is preferably 0.50 or less, and more preferably 0.40 or less.
  • the [average roughness of the uneven portion / height of the protruding portion and the peripheral protruding portion] is preferably 0.20 or less, and more preferably 0.15 or less.
  • the protrusions it is preferable that all the protrusions satisfy the above relationship.
  • all of the plurality of peripheral protrusions satisfy the above relationship.
  • the absolute value of the degree of unevenness in the first region is not particularly limited, but the maximum height roughness Rz is about 0.2 to 4.0 ⁇ m. It is preferable to do.
  • the arithmetic average roughness Ra is preferably about 0.05 to 2.0 ⁇ m.
  • the first region may be divided into two or more locations.
  • the surface shape of each first region may be different.
  • the design of the decorative molded product can be improved by dividing the first region into two or more locations and making the surface shape of each first region different.
  • the release sheet 10 is located in the second regions R 2 , R 2A , R 2B of the base material layer 11 in the vicinity of the protrusions 3, 3 A, 3 B and the protrusions.
  • a peripheral region X that has a plurality of peripheral protrusions 4, 4 ⁇ / b> A, 4 ⁇ / b> B partially disposed in the peripheral region, and the colored layers 12, 12 ⁇ / b> A, 12 ⁇ / b> B are formed on the protrusions and the peripheral protrusions. have.
  • the second regions R 2 , R 2A , R 2B and the first region R 1 described above are preferably formed at different locations in the width direction.
  • the second region and the first region as described above, it is difficult to form the colored layer in the first region while forming the colored layer on the protruding portion and the peripheral protruding portion of the second region. it can.
  • a printing plate that does not have ink in a portion corresponding to the first region and has ink in the entire surface corresponding to the second region. 13 to 16 illustrate a state where the surface of the release sheet is visible through the transfer layer.
  • the “second region” means a region formed by the following four straight lines (1) to (4).
  • (1) A straight line drawn in parallel to the flow direction from a position located at the leftmost end of the peripheral protrusion when the transfer sheet is observed from the planar direction.
  • (2) A straight line drawn parallel to the flow direction from the position located at the rightmost end of the peripheral protrusion when the transfer sheet is observed from the plane direction.
  • (3) A straight line drawn in parallel to the width direction from the position located at the uppermost end of the peripheral protrusion when the transfer sheet is observed from the plane direction.
  • (4) A straight line drawn in parallel to the width direction from the position located at the lowest end of the peripheral protrusion when the transfer sheet is observed from the plane direction.
  • the “peripheral region in the second region” means a region obtained by removing the protruding portion from the second region.
  • the width direction means the TD direction (Transverse Direction) of the transfer sheet
  • the flow direction means the MD direction (Machine Direction) of the transfer sheet. Means.
  • a colored layer is formed on substantially the entire surface on the protruding portion of the second region.
  • the peripheral region located around the protrusion has a protrusion (peripheral protrusion), and a colored layer is formed on the peripheral protrusion, but the peripheral protrusion is partially disposed in the peripheral region. Remains. Therefore, when the protrusion part of a 2nd area
  • the light transmittance may be any of transmittance in the normal transmission direction, diffuse transmittance, and total transmittance.
  • the light reflectance may be any of transmittance in the regular reflection direction, diffuse reflectance, and total reflectance.
  • the ratio of the area of the peripheral protrusions to the total area of the peripheral region is preferably 15 to 85%, more preferably 20 to 80%, and further preferably 30 to 70%. By setting the ratio of the area of the peripheral protrusions to 15% or more, it is possible to suppress the formation of a colored layer in the peripheral area where the peripheral protrusions are not formed, and to improve the contrast of light transmittance or light reflectance. It is easy to clarify.
  • the optional step of aligning include a step of slitting the transfer sheet in a long length, a step of punching the transfer sheet into a sheet, and a step of transferring the transfer sheet to a transfer object. A specific method of alignment will be described later.
  • Distance P 1 of the ends of the peripheral projecting portion adjacent the second region is preferably 2.0mm or less, more preferably 1.0mm or less, still more preferably 0.7mm or less .
  • the distance P 1 and 2.0mm or less to prevent the colored layer at a position near the projecting portion of the peripheral region is not formed is formed, it is possible to increase the accuracy of the alignment.
  • the interval P 1 is too narrow, it can adversely affect alignment. For example, when the light source used for alignment is not parallel light, or even if the light source is parallel light, alignment is performed based on the contrast of light transmittance when the emission surface of the light source is not horizontal.
  • the end interval P 1 between the peripheral projecting portion is preferably at 0.01mm or more, more preferably 0.05mm or more, more preferably at least 0.10 mm.
  • a protrusion interval P 2 between the peripheral projecting portion proximate the protruding portion, from the viewpoint of suppressing the colored layer on the interval is formed, preferably at 2.0mm or less, at 1.0mm or less More preferably, it is 0.7 mm or less.
  • the interval P 2 is preferably 0.01mm or more, 0.05 mm or more It is more preferable that it is 0.10 mm or more.
  • the “outer edge shape of the protruding portion” means a shape formed from the outer edge of the protruding portion when the protruding portion is observed from the planar direction.
  • the difference in light transmittance between the protruding portion of the second region and the peripheral region of the second region is preferably 30% or more.
  • the difference in light reflectance between the portion having the protrusion and the surrounding portion is 30% or more.
  • the protruding portion and the peripheral protruding portion are formed from an arbitrary structure, and the shape and the like of the structure are not particularly limited, but the shapes exemplified below are preferable.
  • the height (H) of the protrusion and the peripheral protrusion is preferably 1 to 10 ⁇ m, more preferably 2 to 7 ⁇ m, and further preferably 3 to 6 ⁇ m. Even if the printing position is slightly shifted by setting the height of the protruding portion and the peripheral protruding portion to 1 ⁇ m or more, a colored layer is formed on the protruding portion and the peripheral protruding portion. A colored layer can be made difficult to form. That is, by setting the heights of the protrusions and the peripheral protrusions to 1 ⁇ m or more, the alignment pattern can be easily printed at an accurate location, and the alignment accuracy can be increased.
  • the height of the protruding portion 3 and the peripheral protruding portion 4 are set to 1 ⁇ m or more, as shown in FIGS. 10 to 12, a fine protrusion is easily formed on the surface of the transfer sheet 100 on the transfer layer 20 side.
  • the blocking of the first region can be easily suppressed.
  • the height of the protruding portion and the peripheral protruding portion is set to 10 ⁇ m or less, the protruding portion is hardly deformed by a load, and the alignment accuracy can be easily maintained.
  • the heights of the protrusions and the peripheral protrusions need not all be the same.
  • the height of the protruding portion and the height of the peripheral protruding portion may be changed, or the height of each peripheral protruding portion may be changed.
  • the heights of the protrusions and the peripheral protrusions are all the same.
  • the height (H) of the projecting portion and the peripheral projecting portion refers to the structure forming the projecting portion and the peripheral projecting portion in the extending direction of the structure (for example, In the case of the peripheral protrusions in FIGS. 13 to 15, it means the height of the central part of the cross section cut in a direction orthogonal to the direction “d”.
  • the height (H) means the height of the central part of the cross section cut in the width direction.
  • the width (W 1 ) of the protrusion and the width (W 2 ) of the peripheral protrusion preferably satisfy the relationship of W 2 ⁇ W 1 .
  • W 2 / W 1 is preferably 0.8 or less, more preferably 0.7 or less, and further preferably 0.5 or less.
  • W 2 / W 1 is preferably 0.8 or less, more preferably 0.7 or less, and further preferably 0.5 or less.
  • W 2 / W 1 is preferably 0.005 or more, more preferably 0.010 or more.
  • the width of the protrusion (W 1 ) and the width of the peripheral protrusion (W 2 ) are the structures that form the central protrusion and the peripheral protrusion.
  • the width of the bottom of the cross section cut in a direction perpendicular to the extending direction of the structure for example, the direction of “d” in the case of the peripheral protrusions in FIGS. 13 to 15.
  • the width of the peripheral protrusion (W 2 ) refer to the width of the bottom of the cross section cut in the width direction.
  • the width (W 1 ) of the protrusion is preferably 1.0 to 10.0 mm, more preferably 1.0 to 7.0 mm, and still more preferably 3.0 to 6.0 mm. .
  • the width of the protruding portion is preferably 1.0 to 10.0 mm, more preferably 1.0 to 7.0 mm, and still more preferably 3.0 to 6.0 mm. .
  • the protrusion has a ratio of height (H) to width (W 1 ) of 1: 10,000 to 1:10 from the viewpoint of the balance between the effects of height (H) and width (W 1 ) described above.
  • it is 1: 3,000 to 1: 140, more preferably 1: 1,350 to 1: 500.
  • the protrusions 3, 3 A, and 3 B are formed from a row of structures extending in a direction parallel to any one side of the transfer sheet 100 as shown in the second region R 2 A of FIGS. It is preferable.
  • the protrusions 3, 3 ⁇ / b> A, 3 ⁇ / b> B have this configuration, alignment can be facilitated.
  • this arbitrary one side is a flow direction from a viewpoint of making it easy to form a colored layer uniformly.
  • the row-like structures 3 and 3A are continuously extended without interruption, but like the second region R 2A of FIG. 14 and FIG.
  • the structure 3A may be intermittently extended to form a peripheral region between the structures.
  • the interval (P 3 ) between the ends of each structure is preferably 1.0 to 10.0 mm, and is 1.0 to 7.0 mm. More preferably, the thickness is 3.0 to 6.0 mm.
  • the protruding portion has a straight line whose outer edge shape is parallel to the width direction of the transfer sheet and / or straight line parallel to the flow direction of the transfer sheet. It is preferable that it is the substantially square shape which has. By setting the protruding portion to this configuration, alignment can be facilitated. Further, it is more preferable that the protruding portion has a substantially quadrangular shape whose outer edge shape has a straight line parallel to the width direction and the flow direction of the transfer sheet. By setting the protruding portion as such a configuration, it is possible to facilitate alignment in both the width direction and the flow direction.
  • the length of one side is preferably 2 to 20 mm, more preferably 3 to 15 mm, and further preferably 5 to 10 mm.
  • the protrusion part may have any one or more shapes chosen from polygonal shapes, such as a triangular shape, square shape, and pentagon shape, circular shape, and elliptical shape as the outer edge shape.
  • the outer edge shape of the protruding portion is any shape selected from a polygonal shape, a circular shape, and an elliptical shape
  • the outer edge shape of the peripheral protruding portion is preferably a shape different from these (for example, a linear shape).
  • the peripheral protrusion is formed from a columnar structure extending in an arbitrary direction.
  • the arbitrary direction is not particularly limited, and may be an oblique direction (for example, 45 degrees with respect to the width direction of the transfer sheet).
  • any one side of the transfer sheet 100 Is preferably parallel to the flow direction, and more preferably in the flow direction of the transfer sheet 100.
  • the peripheral protrusions 4 have this configuration, alignment can be facilitated.
  • the directions of the plurality of peripheral protrusions are parallel to each other.
  • peripheral protrusions 4, 4 ⁇ / b> A, 4 ⁇ / b> B are formed continuously without interruption in any direction in the second region, like the second region R 2 in FIG. 13 and the second region R 2A in FIG. 16. it may be, but the second region R 2A of FIG. 14 and FIG. 15, R 2B, as in the second region R 2B in FIG. 16, the projecting portions 3A, may be divided at a position overlapping with 3B. Further, as in the second region R2B of FIG. 15, the extension in the arbitrary direction of the peripheral protrusion 4B may be partially interrupted even in a portion that does not overlap with the protrusions 3A and 3B.
  • the width (W 2 ) of the peripheral protrusion is preferably 0.05 to 3.0 mm, more preferably 0.1 to 2.0 mm, and further preferably 0.2 to 1.0 mm. preferable.
  • the width of the peripheral protrusion is preferably 0.05 to 3.0 mm, more preferably 0.1 to 2.0 mm, and further preferably 0.2 to 1.0 mm. preferable.
  • the ratio in terms of the balance of the effect of height above (H) and width (W 2), the height (H) and width (W 2) is 1: 1,000 to 1: 5
  • the ratio is 1: 500 to 1:10, more preferably 1: 300 to 1:15.
  • the ratio [P 1 / height of the peripheral protrusion] of the interval P 1 between the ends of the adjacent peripheral protrusions in the second region and the height of the peripheral protrusion is preferably 400 or less, and 200 or less. More preferably, it is 140 or less.
  • the ratio is preferably 2 or more, more preferably 10 or more, and further preferably 20 or more.
  • a preferred embodiment of the ratio [P 2 / height of the protrusion and the peripheral protrusion] of the distance P 2 between the protrusion and the peripheral protrusion adjacent to the protrusion and the height of the protrusion and the peripheral protrusion is: This is the same as the above-described preferred embodiment of [P 1 / height of the peripheral protrusion].
  • the cross section obtained by cutting the structure forming the protrusion and the peripheral protrusion in a direction orthogonal to the extending direction of the structure is preferably substantially rectangular.
  • the protruding portion has two straight lines parallel to the flow direction of the transfer sheet and / or two straight lines parallel to the width direction of the transfer sheet as the outer edge shape thereof. It is preferable that the peripheral region and the peripheral protrusion satisfy any one of the following conditions 1 to 3 in relation to the protrusion.
  • ⁇ Condition 1> When there are two straight lines parallel to the flow direction of the transfer sheet as the outer edge shape of the protrusion, peripheral areas are arranged on both sides in the width direction of the protrusion.
  • peripheral areas are arranged on both sides of the protrusion in the flow direction.
  • the alignment in the width direction can be performed more accurately.
  • the alignment in the flow direction can be performed more accurately.
  • the alignment in the width direction and / or the flow direction can be performed more accurately.
  • the above conditions 1 to 3 further include the following additional conditions.
  • ⁇ Additional conditions for condition 1> The ratio [L 2 / L] between the width L 2 of the peripheral region arranged on both sides in the width direction of the protrusion and the distance L 1 between two straight lines parallel to the flow direction, which is the outer edge shape of the protrusion 1 ] is 1.0 or more.
  • ⁇ Additional conditions for condition 2> The ratio of the length L 4 of the peripheral region arranged on both sides in the flow direction of the protrusion and the distance L 3 between two straight lines parallel to the width direction, which is the outer edge shape of the protrusion [L 4 / L 3 ] is configured to be 1.0 or more.
  • ⁇ Additional conditions for condition 3> The [L 2 / L 1 ] is configured to be 1.0 or more and / or the [L 4 / L 3 ] is configured to be 1.0 or more.
  • the conditions 1 to 3 include the above-described additional conditions, a sufficient area for determining the contrast between the protrusion and the peripheral area is secured, and the alignment accuracy can be improved. Further, when forming the colored layer, even if the colored layer is formed outside the second region due to soiling caused by printing pressure or the like, the conditions 1 to 3 include the above-described additional conditions. Since a sufficient area for determining the contrast between the portion and the peripheral area is secured, adverse effects on the alignment can be suppressed.
  • the upper limit of the ratio of the additional conditions may be appropriately determined in consideration of the arrangement relationship between the first region and the second region, the yield, manufacturing efficiency, and the like.
  • the protrusion and the peripheral protrusion and the transfer layer described later preferably satisfy the relationship of [height of the protrusion / thickness of the transfer layer] of 0.1 to 5.0, and 0.2 to 3. More preferably, the relationship of 5 is satisfied, and it is more preferable that the relationship of 0.3 to 1.0 is satisfied.
  • the ratio By setting the ratio to 0.1 or more, blocking of the first region when winding a long transfer sheet or stacking single transfer sheets can be easily suppressed.
  • the ratio to 5.0 or less the protruding portion and the peripheral protruding portion are not easily deformed by the load, and the alignment accuracy can be easily maintained.
  • the transfer sheet of this embodiment may have two or more second regions.
  • the transfer sheet of the present embodiment may have a second area A and a second area B as the second area.
  • the second region A is configured to satisfy the condition 1
  • the second region B is configured to satisfy the condition 2.
  • the conditions 1 and 2 further include the additional conditions described above.
  • the second region A and the second region B may be gathered on one side, but FIG. 12, FIG. 14 to FIG. 16, the second region A and the second region B are divided and arranged, in other words, the first region between the second region A (R 2A ) and the second region B (R 2B ).
  • R 1 is preferably arranged.
  • the second region A (R 2A ) and the second region B (R 2B ) are preferably arranged separately in the width direction as shown in FIGS. 12 and 14 to 16. Since the second region A (R 2A ) and the second region B (R 2B ) are divided in the width direction, the protrusions 3, 3 A, and 3 B are provided on both sides of the first region R 1. will be there, regardless of the rewinding number of the transfer sheet, without the width direction of the position of the pattern for alignment with respect to the first region R 1 (alignment mark) is changed, it is possible to improve the accuracy of positioning , Productivity can be improved.
  • the interval P 4 is preferably 20 ⁇ 200 mm, and more preferably 30 ⁇ 180 mm.
  • the timing for removing the second region is, for example, (1) when the transfer sheet is slit long, (2) when the transfer sheet is cut into sheets, and (3) the transfer sheet is transferred. And the like during the trimming process after the transfer. From the viewpoint of transferring the transfer layer to an accurate position of the transfer object, it is preferable to remove the second region at the timing of (3).
  • the colored layer is formed on the protruding portion and the peripheral protruding portion, and has a role of causing a light transmittance or a light reflectance contrast between the protruding portion and the peripheral region in the second region.
  • the “colored layer” in this specification includes a layer that looks whitish due to light diffusion (for example, a layer that looks like frosted glass).
  • the same color layer as described in the first embodiment can be used for the colored layer.
  • the release sheet 10 of the transfer sheet 100 is formed so as to be peelable at the interface with the transfer layer 20 when it is in close contact with the transfer object.
  • the release sheet 10 preferably has a release layer 13 on at least a part of the surface in contact with the transfer layer 20. Further, from the viewpoint of uniform release property within the surface of the transfer sheet 100, the release sheet 10 is formed on the entire surface on the side in contact with the transfer layer 20, as shown in FIGS. 13 is preferable.
  • corrugation is relieve
  • the release layer 13 may be the same as that described in the first embodiment.
  • the release sheet 10 may have other layers. Examples of other layers include an antistatic layer. When the release sheet 10 has an antistatic layer, it is possible to suppress the release charge when the release sheet is peeled off, and to improve the transfer workability.
  • the same antistatic layer as that described in the first embodiment can be used.
  • FIG. 17 is a cross-sectional view showing a modification of the second embodiment of the transfer sheet 100 of the present invention.
  • the base material layer 11 in the present embodiment includes a resin layer 2 provided with the protrusions 3 and the peripheral protrusions 4, and a release layer 13 provided on the resin layer 2.
  • the transfer layer 20 in the present embodiment has a protective layer 21.
  • the colored layer 12 in this embodiment is provided in contact with the release layer 13 provided on the protruding portion 3 and the peripheral protruding portion 4, and is provided in contact with the protective layer 21.
  • the resin of the release layer 13 in the present embodiment preferably contains a cured product of a resin composition containing acrylic polyol and isocyanate.
  • the resin of the protective layer 21 in the present embodiment preferably includes a cured product of a resin composition containing urethane acrylate having a hydroxyl group. It is preferable that resin of the colored layer 12 in this embodiment contains the hardened
  • the colored layer 12 is made of the same material as the resin of the release layer 13, so that it is integrated and bonded to the release layer 13. Further, the colored layer 12 is bonded to the protective layer 21 by the urethane group and the isocyanate group of the protective layer 21 reacting to form a urethane bond. That is, the colored layer 12 is bonded to both the release layer 13 and the protective layer 21 because of the configuration and the material.
  • the transfer sheet 100 when the transfer sheet 100 is cut in a process of slitting the transfer sheet 100 in a long length, a process of punching the transfer sheet 100 into a sheet, and a process of punching after transferring the transfer sheet 100 to a transfer object, Since the colored layer 12 is bonded to both the release layer 13 and the protective layer 21, it does not peel off at the place where the colored layer 12 is provided, so that no foil dust is generated, and the appearance of the final product Good articles can be produced.
  • the release sheet can be produced, for example, by the following steps (A1) to (A3).
  • (A1) The process of apply
  • (A2) Using a plate having a shape complementary to the first region and the second region, the uncured resin layer is shaped, and simultaneously irradiated with ionizing radiation to cure the shaped resin layer and support The process of obtaining the base material layer in which the resin layer was formed on the body.
  • (A3) The process of forming a colored layer on the protrusion part in a 2nd area
  • the ionizing radiation curable resin composition contains a solvent
  • a step of forming a release layer on at least part of the resin layer and / or the colored layer may be performed.
  • the release sheet has a release layer and has a colored layer in contact with the release layer, the release layer is formed on the resin layer (A5) before the step (A3). Steps may be performed.
  • a plate having a shape complementary to the first region, the second region, and the other regions may be used as the plate in the step (A2).
  • the plate used in the step (A2) can be obtained by engraving the surface of the cylinder into a desired shape by, for example, etching, sandblasting, cutting and laser processing, or a combination thereof.
  • a long male plate (a plate having the same shape as the first region and the second region) is prepared by laser engraving, stereolithography, and the like, and is obtained by wrapping an inverted version around the cylinder surface. be able to.
  • the surface of these plates is preferably hard-plated with chromium or the like.
  • the release sheet can also be produced, for example, by the following steps (a1) to (a3).
  • A2) The resin layer forming ink filled in the plate is transferred onto a support, dried and cured as necessary to form a resin layer, and a base material layer having a resin layer formed on the support is formed. Obtaining step.
  • A3 The process of forming a colored layer on the protrusion part in a 2nd area
  • a step of forming a release layer on at least part of the resin layer and / or the colored layer may be performed. Further, when the release sheet has a release layer and has a colored layer in contact with the release layer, the release layer is formed on the resin layer (a5) before the step (a3). Steps may be performed.
  • the release sheet has other regions, a plate having a shape complementary to the first region, the second region, and the other regions may be used as the plate in the step (a2).
  • the transfer sheet is preferably manufactured with multiple impositions as shown in FIG. 16 from the viewpoint of manufacturing efficiency. Similarly, it is preferable that the release sheet is also manufactured by multiple imposition. For this reason, it is preferable that the plate used in the step (A2) or the step (a1) is a plate corresponding to the multi-page imposition.
  • the first region and the second region are arranged at accurate positions.
  • the arrangement of the first region and the second region is important.
  • a plate in which the first region and the second region are arranged at accurate positions can be manufactured by the following steps (y1) to (y4).
  • the step (y1) can be performed by etching, for example.
  • the cylinder preferably has a surface plated with a thick film.
  • the groove 40 is formed in the step (y1) and a groove having a shape complementary to the surface shape of the other region is formed.
  • other regions are formed. It is also possible to use a mask in which a portion corresponding to is cut out.
  • the step (y3) can be performed by, for example, etching or blasting. Blasting is preferable from the viewpoint of lowering the height than the protrusions in the second region and the peripheral protrusions and from the viewpoint of ease of adjusting the matte feeling.
  • the particle shape (spherical, indeterminate), particle diameter, particle material (glass beads, organic particles, inorganic particles, iron, sand, etc.) used for blasting, and the distance to inject the particles
  • the speed, time, angle, etc. By adjusting the speed, time, angle, etc., the shape to be imparted by blasting can be adjusted.
  • the hard plating in the step (y4) include chrome plating.
  • a transfer layer 20 is formed on at least a part of the release sheet 10.
  • the transfer layer 20 is a layer to be transferred to the transfer object, and for example, as shown in FIGS. 10 to 12, has a protective layer 21 and an adhesive layer 22 in order from the side closer to the release sheet.
  • Transfer layer 20 is preferably formed on the whole of the portion corresponding to the first region R 1 of the base layer 11, as shown in FIGS. 10 to 12, more be formed on the entire surface of the release sheet 10 preferable.
  • the protective layer 21 has a role of protecting the decorative molded product from abrasion, light, chemicals and the like after the transfer layer is transferred from the transfer sheet to the transfer object.
  • the protective layer 21 which has a shape complementary to this uneven
  • the protective layer 21 with the substantially smooth surface is provided to the surface of a decorative molded product, and the glossiness of a decorative molded product can be made high.
  • the protective layer 21 can be the same as that described in the first embodiment.
  • the adhesive layer 22 has a role of improving the transfer work by improving the adhesion between the transfer object such as a resin molded body and the transfer layer. In addition, when the adhesiveness between the protective layer 21 and the transfer target is good, the adhesive layer 22 may not be provided.
  • the same adhesive layer 22 as that described in the first embodiment can be used.
  • the anchor layer is a layer provided as necessary to improve heat resistance when placed in a high temperature environment such as in-mold molding.
  • the anchor layer is preferably formed between the protective layer 21 and the adhesive layer 22.
  • the anchor layer can be the same as that described in the first embodiment.
  • the transfer layer 20 may further include a print layer 23 as shown in FIGS.
  • the printed layer 23 has a role of imparting a desired design property to the decorative molded product.
  • the print layer 23 is preferably arranged so as to be positioned at least in a part of the first region of the base material layer 11 when the transfer sheet 100 is observed from the planar direction. Further, the position in the thickness direction of the printing layer 23 may be arranged on the adhesive layer 22 as shown in FIGS. 10 to 12, or may be arranged between the adhesive layer 22 and the protective layer 21. It may be arranged between the protective layer 21 and the release sheet 10. From the viewpoint of protection of the printing layer 23 and adhesion to the transfer object, it is preferable to dispose the printing layer 23 between the adhesive layer 22 and the protection layer 21. Further, from the viewpoint of handling small lot products, it is preferable to dispose the printing layer 23 on the adhesive layer 22. When the printing layer 23 is disposed on the adhesive layer 22, the resin component of the printing layer 23 is a resin of the same type as the resin component of the adhesive layer from the viewpoint of uniform adhesion to the transfer target. It is preferable to use the same resin.
  • the printing layer 23 can be the same as that described in the first embodiment.
  • the method for manufacturing a transfer sheet according to the second embodiment of the present invention is such that after a release sheet is manufactured by the following steps (A1) to (A3), a transfer layer is formed on at least a part of the release sheet. It is.
  • (A1) The process of apply
  • (A2) Using a plate having a shape complementary to the first region and the second region, the uncured resin layer is shaped, and simultaneously irradiated with ionizing radiation to cure the shaped resin layer and support The process of obtaining the base material layer in which the resin layer was formed on the body.
  • (A3) The process of forming a colored layer on the protrusion part in a 2nd area
  • the transfer sheet is preferably manufactured with multiple impositions as shown in FIG.
  • the transfer sheet manufactured in such a multi-face manner is subjected to a transfer process as a long transfer sheet or a single sheet transfer sheet.
  • the transfer sheet manufactured by the above process can easily form a colored layer, which is a pattern printing for alignment, on the protruding portion and the peripheral protruding portion, and the light transmittance or light reflection between the protruding portion and the peripheral region.
  • the rate contrast is clear and can be easily aligned.
  • Examples of the optional step of aligning include a step of slitting the transfer sheet in a long length, a step of punching the transfer sheet into a sheet, and a step of transferring the transfer sheet to a transfer object. For example, as shown in FIGS.
  • the projecting portions 3B of the second region R 2B is, as the outer edge shape of the protruding portion, satisfies the case (the condition 2 with two straight lines parallel to the width direction of the transfer sheet If), the projecting portion 3B in the second region R 2B, utilizing occur are contrast (light transmittance difference or the light reflectance difference) between the peripheral region X B, perpendicular to the width direction of the transfer sheet
  • contrast light transmittance difference or the light reflectance difference
  • the positions in the width direction and the flow direction can be accurately matched.
  • the width direction and / or flow of the transfer sheet is transferred when the transfer sheet is transferred to the transfer object.
  • Directional alignment can be performed and transfer can be performed at an accurate position.
  • the contrast of the light transmittance difference can be detected by, for example, a light source installed below the transfer sheet and a light detection unit installed at a position facing the light source above the transfer sheet.
  • the contrast of the light reflectance difference can be detected by, for example, a light source and a light detection unit installed at an arbitrary angle above the transfer sheet.
  • the method for producing a decorative molded product according to the second embodiment of the present invention includes a step of transferring the transfer layer 20 of the transfer sheet 100 according to the second embodiment of the present invention described above to a transfer object, Separating the release sheet 10 of the transfer sheet 100.
  • Examples of the material to be transferred include a resin molded body.
  • a known transfer method can be used for the method of manufacturing the decorative molded product. For example, (i) a method in which a transfer sheet is attached to a preliminarily molded transfer object, the transfer layer of the transfer sheet is transferred, and then the release sheet of the transfer sheet is peeled off; A method of sticking a transfer sheet to a transfer material, transferring the transfer layer of the transfer sheet, peeling off the release sheet of the transfer sheet, and then forming a transfer material on which the transfer layer is laminated, (iii) ) A method of integrating a transfer material with a transfer sheet at the time of injection molding and then peeling the release sheet of the transfer sheet [in-mold molding (injection molding simultaneous transfer decoration method)]. Among them, according to in-mold molding (injection molding simultaneous transfer decoration method), it is possible to perform decorative molding on a resin molded body having a complicated surface shape such as a three-dimensional curved surface.
  • the transfer sheet is placed at an accurate position of the mold using the contrast between the protruding portion of the second region and the peripheral protruding portion. be able to. Note that after the step (z4), it is preferable to trim (remove) unnecessary portions as necessary. When the second region remains after the step (z4), it is preferable to trim (remove) the region.
  • thermoplastic resin As the resin molding, it is preferable to use a thermoplastic resin or a thermosetting resin that can be injection-molded, and various known resins can be used.
  • a thermoplastic resin examples include polystyrene resins, polyolefin resins, ABS resins (including heat-resistant ABS resins), AS resins, AN resins, polyphenylene oxide resins, polycarbonate resins, polyacetal resins, acrylic resins, Examples thereof include polyethylene terephthalate resin, polybutylene terephthalate resin, polysulfone resin, and polyphenylene sulfide resin.
  • FIG. 18 is a cross-sectional view showing an embodiment of a decorative molded product according to the present invention.
  • the decorative molded product 300 has a printed layer 23, an adhesive layer 22, and a protective layer 21 on one surface of a resin molded body (transfer object) 200.
  • a resin molded body transfer object
  • a transfer sheet capable of transferring a transfer layer to an exact position of a transfer object, a method for producing the transfer sheet, and a method for producing a decorative molded product using the transfer sheet Can be provided.
  • the third embodiment of the present invention is made in view of such circumstances, a transfer sheet capable of transferring a transfer layer that suppresses the generation of foil dust and improves the appearance of a decorative molded product, It aims at providing the manufacturing method of this transfer sheet, and the manufacturing method of a decorative molded product using this transfer sheet.
  • the transfer sheet 100 is a transfer sheet having a transfer layer 20 on the release sheet 10, and the release sheet 10 is a transfer object.
  • a second region R 2 for providing the first region R 1 and the alignment pattern for transferring have the convex portion 24 on the side of the transfer layer 20 side
  • the transfer The layer 20 includes an alignment pattern portion AL having a tracking protrusion 25 based on the convex portion 24 on the surface opposite to the surface on which the release sheet 10 is provided, and the colored layer 30 is provided on the tracking protrusion 25. It is what has.
  • description of what is substantially the same as the first embodiment is omitted.
  • the release sheet 10 includes a support 1, a resin layer 2, and a release layer 13.
  • the release sheet 10 is peeled off after the transfer layer 20 is transferred to a transfer object such as a resin molded body.
  • the surface of the support 1 may be preliminarily subjected to physical treatment such as corona discharge treatment or oxidation treatment, or application of a coating material called an anchor agent or a primer in order to enhance the adhesion with the resin layer 2 or the like. .
  • the resin layer 2 can be the same as that described in the first embodiment.
  • Resin layer 2 may be formed by coating, accurately and in terms of forming a precise shape, by printing using a plate having a first region R 1 and the second region R 2 and the complementary shape It is preferable to form.
  • the plate preferably further has a shape complementary to the other regions. Details of the method of forming the resin layer 2 using a plate will be described later.
  • the release sheet 10 of the transfer sheet 100 is formed so as to be peelable at the interface with the transfer layer 20 when it is in close contact with the transfer object.
  • the release sheet 10 preferably has a release layer 13 on at least a part of the surface in contact with the transfer layer 20. Further, from the viewpoint of uniform release property within the surface of the transfer sheet 100, the release sheet 10 has a release layer 13 on the entire surface on the side in contact with the transfer layer 20, as shown in FIG. It is preferable.
  • the release layer 13 is formed on the concavo-convex portion 5 to relieve the concavo-convex shape and form a concavo-convex shape with less high-frequency components on the surface of the decorative molded product. It is possible to suppress whitening and glare of the decorative molded product.
  • the release layer 13 may be the same as that described in the first embodiment.
  • the release sheet 10 may have other layers. Examples of other layers include an antistatic layer. When the release sheet 10 has an antistatic layer, it is possible to suppress the release charge when the release sheet is peeled off, and to improve the transfer workability.
  • Antistatic layer As the antistatic layer, the same materials as those described in the first embodiment can be used.
  • the first region R 1 of the release sheet 10 is a region for providing the transfer layer 20 to be transferred to the transfer target.
  • Surface shape of the first region R 1 is not particularly limited. Surface shape of the first region R 1 is, for example, as shown in FIG. 20, may have an irregular shape, may be substantially smooth.
  • a transfer layer 20 having a shape complementary to the uneven portion 5 (the release layer 13 on the uneven portion 5 is included in the transfer object.
  • the transfer layer 20) having a concavo-convex complementary shape alleviated by the release layer 13 is transferred, and the concavo-convex shape can be imparted to the surface of the resulting decorative molded product.
  • the surface shape of the first region R 1 is substantially smooth, increasing the substantially can be made smooth, gloss resulting decorative molded article surface shape of the transfer layer 20 has been transferred to the transfer target Can do.
  • the absolute value of the degree of unevenness in the first region R 1 is not particularly limited, but the maximum height roughness Rz is 0.2 to 4.0 ⁇ m. It is preferable to set the degree.
  • the arithmetic average roughness Ra is preferably about 0.05 to 2.0 ⁇ m.
  • the first region R 1 may be formed by dividing the first region R 1 to two or more locations. In that case, it may be each of the first region R 1 of the surface shape as different.
  • the second region R 2 of the release sheet 10 is a region for providing the alignment pattern used for transferring the transfer target (alignment marks).
  • the second region R 2 has a partially deployed convex portion 24 to the basis of the alignment pattern.
  • the convex part 24 is preferably formed on the resin layer 2 by printing using a plate having a shape complementary to the second region R 2 from the viewpoint of forming an accurate and precise shape.
  • the convex part 24 is formed from the linear structure extended
  • the arbitrary direction is not particularly limited and may be an oblique direction (for example, 45 degrees with respect to the width direction of the transfer sheet), but is preferably a direction parallel to any one side of the transfer sheet 100.
  • the flow direction of the transfer sheet 100 is more preferable.
  • each direction of the some convex part 24 is parallel.
  • the convex portion 24 may be formed continuously without interruption in any direction in the second inner region R 2, but may be one that extends in any direction partially interrupted.
  • the height h of the convex portion 24 is preferably 1.0 to 10.0 ⁇ m, more preferably 1.5 to 9.0 ⁇ m, and still more preferably 2.0 to 8.0 ⁇ m.
  • the height h of the convex portion 24 is preferably 1.0 to 10.0 ⁇ m, more preferably 1.5 to 9.0 ⁇ m, and still more preferably 2.0 to 8.0 ⁇ m.
  • the height h of the protrusion 24 are preferably the same.
  • the height h of the convex part 24 means the height of the center part of the cross section which cut
  • the interval between the end portions of the convex portion 24 is preferably 0.05 to 2.0 mm, more preferably 0.075 to 1.0 mm, and further preferably 0.10 to 0.7 mm. preferable.
  • the recognition rate of the alignment mark can be improved by setting the interval between the ends of the convex portions 24 to 0.01 mm or more. Further, by making the interval of ends of the protrusions 24 and 2.0mm or less, it is possible to suppress the area of the second region R 2 is wider than necessary.
  • the width of the convex portion 24 is preferably 0.01 to 2.0 mm, more preferably 0.025 to 1.0 mm, and still more preferably 0.05 to 0.5 mm.
  • the width of the convex portion 24 is preferably 0.01 to 2.0 mm, more preferably 0.025 to 1.0 mm, and still more preferably 0.05 to 0.5 mm.
  • the cross section obtained by cutting the structure forming the convex portion 24 in a direction perpendicular to the extending direction of the structure is preferably substantially rectangular.
  • the convex portion 24 and the transfer layer 20 described later satisfy the relationship of [the height of the convex portion / the thickness of the transfer layer] of 0.1 to 5.0, preferably 0.1 to 3.5. It is more preferable to satisfy the relationship, and it is further preferable to satisfy the relationship of 0.1 to 1.0.
  • the ratio By setting the ratio to 0.1 or more, it is possible to easily form the tracking protrusion 25 based on the protrusion 24 on the surface of the transfer layer 20. Further, by setting the ratio to 5.0 or less, the convex portion 24 is not easily deformed by a load, and the alignment accuracy can be easily maintained.
  • Transfer sheet 100 of the present embodiment may have a second region R 2 of two or more. If a second region R 2 of two or more, it is preferable to change the role of each area. For example, when having a plurality of second regions R 2, either one aligns the width direction, it is preferably configured to perform the alignment of the flow direction in the other. By configuring the second region R 2 as described above, it is possible to align in both directions in the width direction and the flow direction, thereby improving the accuracy of alignment.
  • the second region R 2 is provided on both sides of the first region R 1 , and the alignment pattern portion (alignment mark) AL is the uneven portion 5. It is preferable to be provided on both sides.
  • the alignment pattern portion AL is provided on both sides of the uneven portion 5, the position in the width direction of the alignment pattern portion AL with respect to the uneven portion 5 can be changed regardless of the number of times the transfer sheet 100 is rewound. Therefore, the alignment accuracy can be increased, and the productivity can be improved.
  • the second region R 2 are transferred to the transfer target, preferably be removed at the stage to obtain a decorated molded article.
  • the transfer layer 20 from the viewpoint of transferring the exact position of the object to be transferred, it is preferable to remove the second region R 2 at the timing of (3).
  • a transfer layer 20 is formed on at least a part of the release sheet 10.
  • the transfer layer 20 is a layer to be transferred to the transfer object, and includes, for example, a protective layer 21 and an adhesive layer 22 in order from the side closer to the release sheet 10 as shown in FIG.
  • the transfer layer 20 has a tracking protrusion 25 based on the protrusion 24 on the surface.
  • the transfer layer 20 is preferably formed on the entire surface of the release sheet 10 as shown in FIG.
  • Each layer such as the protective layer 21 and the adhesive layer 22 constituting the transfer layer 20 is prepared by, for example, adjusting ink containing the constituent components of each layer and applying a coating method such as a gravure coating method or a roll coating method on the release sheet 10. It can be formed by coating and drying by a printing method such as gravure printing or screen printing, and curing by irradiation with ionizing radiation as required.
  • the ink for forming the transfer layer for forming the transfer layer 20 has a solvent ratio of 90% by mass or less from the viewpoint of facilitating formation of the follow-up protrusion 25 that follows the protrusion 24. Is preferred.
  • the height H of the follow-up protrusion 25 is preferably 1.0 to 10.0 ⁇ m, more preferably 1.5 to 9.0 ⁇ m, and even more preferably 2.0 to 8.0 ⁇ m. .
  • the height H of the tracking protrusion 25 is preferably 1.0 to 10.0 ⁇ m, more preferably 1.5 to 9.0 ⁇ m, and even more preferably 2.0 to 8.0 ⁇ m. .
  • the height H of the follow-up protrusion 25 refers to the height of the central portion of a cross section obtained by cutting the structure forming the follow-up protrusion 25 in a direction perpendicular to the extending direction of the structure.
  • the interval W between the end portions of the follow-up protrusion 25 is preferably 0.05 to 3.0 mm, more preferably 0.07 to 2.0 mm, and 0.1 to 1.0 mm. Is more preferable.
  • the interval W between the end portions of the follow-up protrusion 25 is too narrow, the colored layers 30 stick to each other, which may adversely affect the alignment.
  • the interval W between the end portions of the tracking protrusion 25 is 0.05 mm or more, it is possible to avoid the adjacent colored layers 30 from adhering to each other when the colored layer 30 is formed. Moreover, it can suppress that the area of the pattern part AL for alignment becomes large more than necessary by making the space
  • the interval W between the end portions of the follow-up protrusions 25 refers to the distance between the ends of the tails of the follow-up protrusions 25. Is the distance in the flat adhesive layer 22.
  • the protective layer 21 has a role of protecting the decorative molded product from abrasion, light, chemicals, and the like after the transfer layer 20 is transferred from the transfer sheet 100 to the transfer target. If having a concave-convex portion 5 release sheets first region R 1 of 10, protective layer 21 having a complementary shape to the irregular shape is imparted to the surface of the decorative molded article. Further, when the first region R 1 of the release sheet 10 is substantially smooth, it can be surface substantially smooth protective layer 21 is applied to the surface of the decorative molded article, increasing the gloss of the decorative molded article.
  • the protective layer 21 can be the same as that described in the first embodiment.
  • the transfer layer forming ink for forming the protective layer 21 preferably has a solvent ratio of 60 to 90% by mass or less from the viewpoint of facilitating the formation of the follow-up protrusion 25 that follows the protrusion 24. It is more preferably 65 to 90% by mass, and further preferably 70 to 90% by mass.
  • the adhesive layer 22 has a role of improving the transfer work by improving the adhesion between the transfer object 20 such as a resin molded body and the transfer layer 20.
  • the surface of the transfer layer 20 is provided with an alignment pattern portion AL having a follow-up protruding portion 25 based on the convex portion 24.
  • an alignment pattern portion AL having a tracking protrusion 25 based on the protrusion 24 is provided on the surface of the adhesive layer 22.
  • the following protrusion 25 is formed by following the protrusion 24 by providing the transfer layer 20 including the protective layer 21 and the adhesive layer 22 on the protrusion 24 provided on the release sheet 10. It is a part to do.
  • the adhesive layer 22 can be the same as that described in the first embodiment.
  • the ink for forming the adhesive layer for forming the adhesive layer 22 preferably has a solvent ratio of 80 to 90% or less from the viewpoint of facilitating the formation of the follow-up protrusion 25 that follows the protrusion 24. More preferably, it is 85 to 90% by mass.
  • the adhesive layer 22 may be configured to include two types of layers, an anchor coat layer and an adhesive layer.
  • the thickness of the anchor coat layer is preferably 0.5 to 10 ⁇ m, more preferably 1.0 to 8.0 ⁇ m, and 2.0 to 6. More preferably, it is 0 ⁇ m.
  • the thickness of the adhesive layer is preferably from 0.1 to 10 ⁇ m, more preferably from 0.5 to 8.0 ⁇ m, and even more preferably from 1.0 to 5.0 ⁇ m.
  • the colored layer 30 is provided on the following protrusion 25 of the alignment pattern portion AL provided on the surface of the transfer layer 20.
  • the colored layer 30 has a role of causing a contrast of light transmittance or light reflectance between a portion where the colored layer 30 is present and a portion where the colored layer 30 is not present in the alignment pattern portion AL.
  • the colored layer 30 is disposed so as to be positioned at least at a part of the alignment pattern portion AL of the transfer layer 20 (adhesive layer 22) as shown in FIG. It is preferable to do.
  • the colored layer 30 is preferably composed of three parts: a line portion 30a, a solid coating center portion 30b, and a solid coating portion 31.
  • the line portion 30a and the solid coating center portion 30b have different light transmittance or light reflectance, and the transfer sheet 100 can be aligned in an arbitrary process using the contrast of the light transmittance or light reflectance. It becomes.
  • the light transmittance may be any of transmittance in the normal transmission direction, diffuse transmittance, and total transmittance.
  • the light reflectance may be any of transmittance in the regular reflection direction, diffuse reflectance, and total reflectance.
  • the ratio of the area of the line portion 30a in the colored layer 30 in the second region R 2 is preferably 15 to 85%, more preferably 20 to 80%, more preferably 30 to 70% .
  • the ratio of the area of the line portion 30a within the above range, the contrast of the light transmittance or the light reflectance between the solid coating center portion 30b and the solid coating portion 31 can be easily clarified, and the alignment accuracy can be improved. Can do.
  • the solid color portion 31 may be wider than the second region R 2 of the line portion 30a is wide is preferably easier to see more alignment pattern portion AL in different width.
  • the colored layer 30 is preferably a linear pattern having an average line width L of 0.01 to 4.0 mm from the viewpoint of easy alignment when the transfer sheet 100 is observed from the planar direction.
  • the average value of the line width L of the colored layer 30 is more preferably 0.01 to 2.0 mm, further preferably 0.025 to 1.0 mm, and 0.05 to 0.00. More preferably, it is 5 mm.
  • the average value of the line width L means what averaged the value which measured the line width of the colored layer 30 ten or more places.
  • the colored layer 30 preferably has a variation in the line width L of 10% or less, more preferably 7% or less, and still more preferably 5% or less.
  • the fluctuation of the line width L within 10% means that all the line widths are within ⁇ 10% with respect to the average value of the line width L.
  • wire width L arises from the shape change of the tracking protrusion part 25 which arises by forming a protective layer, an adhesive bond layer, etc.
  • the thickness of the colored layer 30 is preferably 0.3 to 5.0 ⁇ m, more preferably 0.4 to 4.0 ⁇ m, from the viewpoint of easily obtaining contrast for alignment. More preferably, it is 5 to 3.0 ⁇ m.
  • the colored layer 30 is composed of, for example, a binder resin and a pigment.
  • a pigment of the colored layer 30 it is preferable to include a pigment with high concealability.
  • a black pigment such as carbon black is preferable as the pigment having high concealability.
  • the binder resin of the colored layer 30 is not particularly limited.
  • EVA resin vinyl acetate copolymer resin
  • ionomer resin olefin- ⁇ olefin copolymer resin fat
  • polyurethane resin polyester resin, acrylic resin, epoxy resin, phenol resin, urea resin, polyester resin Curable resins such as melamine resin, alkyd resin, polyimide resin, silicone resin, amide functional copoly
  • the curable resin includes a thermosetting resin, an ionizing radiation curable resin, a two-component curable resin, and the like.
  • the binder resin of the colored layer 30 is preferably a thermoplastic resin from the viewpoint of suppressing foil dust.
  • the colored layer 30 does not contain a hardening
  • the colored layer 30 can be formed, for example, by transferring the colored layer forming ink onto the following protrusion 25 of the alignment pattern portion AL by a transfer method such as fusion thermal transfer or sublimation thermal transfer.
  • a transfer method for forming the colored layer 30 fusion heat transfer is particularly preferable from the viewpoint of suppressing foil dust.
  • the colored layer 30 may also be formed by applying a colored layer forming ink on the follow-up protruding portion 25 of the alignment pattern portion AL and then drying by a printing method such as gravure reverse printing or gravure printing. Can do.
  • melting heat transfer from the plane direction with the microscope is shown in FIG.
  • the photograph which observed the colored layer 30 formed by gravure reverse printing from the plane direction with the microscope is shown in FIG. Comparing the photographs of FIG. 23 and FIG. 24, the colored layer 30 formed by the fusion thermal transfer of FIG. 23 is clearer and more suitable.
  • the colored layer 30 formed by the gravure reverse printing in FIG. 24 has some background stains, but the sharpness for alignment is maintained.
  • the thickness of the colored layer 30 is preferably 0.3 to 5.0 ⁇ m, and preferably 0.4 to 4.0 ⁇ m, from the viewpoint that the contrast for alignment may be adjusted. Is more preferably 0.5 to 3.0 ⁇ m.
  • the transfer layer 20 may have other layers. Examples of other layers include an anchor layer and a printing layer.
  • the anchor layer is a layer provided as necessary to improve heat resistance when placed in a high temperature environment such as in-mold molding.
  • the anchor layer is preferably formed between the protective layer 21 and the adhesive layer 22.
  • the anchor layer can be the same as that described in the first embodiment.
  • the transfer layer 20 may further have a printing layer.
  • the printed layer has a role of imparting a desired design property to the decorative molded product.
  • Printed layer when observed the transfer sheet 100 from the planar direction, is preferably disposed so as to be positioned on at least a portion of the first region R 1. Further, the position in the thickness direction of the printing layer may be disposed on the adhesive layer 22, may be disposed between the adhesive layer 22 and the protective layer 21, or may be disposed between the protective layer 21 and the release layer. You may arrange
  • the resin component of a printing layer is made into resin of the same system as the resin component of the adhesive bond layer 22 from a viewpoint of equalization of adhesiveness with a to-be-transferred material. It is preferable to use the same resin.
  • the pattern of the printing layer is arbitrary, and examples thereof include wood grain, stone grain, cloth grain, sand grain, circle, square, polygon, geometric pattern, character, solid printing, and the like.
  • the printing layer can be the same as that described in the first embodiment.
  • the print layer can be formed at an accurate position by performing alignment using the alignment pattern portion AL.
  • a resin layer forming ink containing an ionizing radiation curable resin composition is applied onto a support 1 to form an uncured resin layer 2.
  • the uncured resin layer 2 was shaped and simultaneously irradiated with ionizing radiation.
  • the step of forming the protective layer 21 the step of applying the adhesive layer forming ink on the protective layer 21 to form the adhesive layer 22, and the second region R 2 in the adhesive layer 22.
  • a colored layer forming ink is applied onto the follow-up protrusion 25 formed at the corresponding position, and the colored layer And forming a 0.
  • a plate having a shape complementary to the first region R 1 and the second region R 2 is formed by engraving the surface of the cylinder into a desired shape by, for example, etching, sand blasting, cutting and laser processing, or a combination thereof. Can be obtained. Alternatively, laser engraving, by stereolithography or the like to prepare a plate of male long (plate having a first region R 1 and the second region R 2 and the same shape), a material obtained by inverting it to the surface of the cylinder It can be obtained by wrapping.
  • the surface of these plates is preferably hard-plated with chromium or the like.
  • the transfer sheet 100 is preferably manufactured with multiple impositions from the viewpoint of manufacturing efficiency.
  • the transfer sheet 100 manufactured in such a multi-face manner is subjected to a transfer process as a long transfer sheet or a single sheet transfer sheet.
  • the transfer sheet 100 manufactured by the above-described process can easily form the colored layer 30 that is a pattern printing for alignment on the follow-up protrusion 25, and the light in the alignment pattern formed by the colored layer 30 can be obtained.
  • the contrast of transmittance or light reflectance becomes clear, and alignment can be facilitated.
  • Examples of the optional step of aligning include a step of slitting the transfer sheet 100 in a long length, a step of punching the transfer sheet 100 into a sheet, and a step of transferring the transfer sheet 100 to a transfer object.
  • the alignment is performed by the light transmittance by the colored layer 30 that is the pattern printing for alignment
  • the light source installed below the transfer sheet 100 and the light source above the transfer sheet 100 are installed at positions facing the light source.
  • Position alignment can be performed by detection by the light detection means.
  • the detection can be performed by a light source and a light detection unit installed at an arbitrary angle above the transfer sheet 100.
  • the method for manufacturing a decorative molded product according to the third embodiment of the present invention includes the step of transferring the transfer layer 20 of the transfer sheet 100 of the present invention described above to the transfer object, and the release sheet 10 of the transfer sheet 100. And a step of peeling.
  • Examples of the material to be transferred include a resin molded body.
  • the decorative molded product produced by the above process does not generate foil dust on the transfer sheet 100 to be used, and can improve the appearance after being transferred.
  • a known transfer method can be used for the method of manufacturing the decorative molded product. For example, (i) a method in which a transfer sheet is attached to a preliminarily molded transfer object, the transfer layer of the transfer sheet is transferred, and then the release sheet of the transfer sheet is peeled off; A method of sticking a transfer sheet to a transfer material, transferring the transfer layer of the transfer sheet, peeling off the release sheet of the transfer sheet, and then forming a transfer material on which the transfer layer is laminated, (iii) ) A method of integrating a transfer material with a transfer sheet at the time of injection molding and then peeling the release sheet of the transfer sheet [in-mold molding (injection molding simultaneous transfer decoration method)]. Among them, according to in-mold molding (injection molding simultaneous transfer decoration method), it is possible to perform decorative molding on a resin molded body having a complicated surface shape such as a three-dimensional curved surface.
  • the transfer layer side of the above-mentioned transfer sheet is arranged facing the inside of the mold for in-mold molding.
  • a step of injecting and injecting a resin into the in-mold mold (2) a step of integrating the transfer sheet and the resin and transferring the transfer layer of the transfer sheet onto the surface of the resin molded body (transfer object); and (4) a resin molded body (transfer target).
  • the transfer sheet is arranged at an accurate position of the mold using the alignment pattern portion of the second region R 2. be able to. After the step (4), it is preferable to trim (remove) unnecessary portions as necessary. (4) When the second region R 2 after step are still present, it is preferred to trim (remove) the region.
  • thermoplastic resin As the resin molding, it is preferable to use a thermoplastic resin or a thermosetting resin that can be injection-molded, and various known resins can be used.
  • a thermoplastic resin examples include polystyrene resins, polyolefin resins, ABS resins (including heat-resistant ABS resins), AS resins, AN resins, polyphenylene oxide resins, polycarbonate resins, polyacetal resins, acrylic resins, Examples thereof include polyethylene terephthalate resin, polybutylene terephthalate resin, polysulfone resin, and polyphenylene sulfide resin.
  • a transfer sheet capable of transferring a transfer layer that suppresses generation of foil dust and improves the appearance of a decorative molded product, a method for producing the transfer sheet, and the transfer sheet The manufacturing method of the decorative molded product using this can be provided.
  • the transfer sheet 100 is a transfer sheet having a transfer layer 20 on the release sheet 10, and the release sheet 10 is a transfer object.
  • a second region R 2 base layer 11 having a for providing the first region R 1 and the alignment pattern for transferring, to the second region R 2 of the base layer 11, transfer layer 20 side
  • the transfer layer 20 includes an alignment pattern portion AL having a follow-up protruding portion 25 based on the convex portion 24 on the surface opposite to the release sheet 10. is there.
  • description of what is substantially the same as the first embodiment is omitted.
  • the release sheet 10 includes a base material layer 11 and a release layer 13.
  • the release sheet 10 is peeled off after the transfer layer 20 is transferred to a transfer object such as a resin molded body.
  • the base material layer 11 is formed from the support body 1 and the resin layer 2, for example, as shown in FIG.
  • the base material layer 11 may be a single layer of the support 1 or the resin layer 2, or may have a configuration of three or more layers having layers other than the support 1 and the resin layer 2. Further, although not shown, the base material layer 11 may further have other regions on the surface on the transfer layer 20 side.
  • the resin layer 2 can be the same as that described in the first embodiment.
  • Resin layer 2 may be formed by coating, accurately and in terms of forming a precise shape, by printing using a plate having a first region R 1 and the second region R 2 and the complementary shape It is preferable to form.
  • the plate preferably further has a shape complementary to the other regions. Details of the method of forming the resin layer 2 using a plate will be described later.
  • the first region R 1 of the base layer 11 is a region for providing the transfer layer 20 to be transferred to the transfer target.
  • Surface shape of the first region R 1 is not particularly limited. Surface shape of the first region R 1 is, for example, as shown in FIG. 26, may have an irregular shape, may be substantially smooth. As shown in FIG. 26, when the concavo-convex portion 5 is provided in the first region R 1 , the transfer layer 20 having a shape complementary to the concavo-convex portion 5 (the release layer 13 on the concavo-convex portion 5 is included).
  • the transfer layer 20) having a concavo-convex complementary shape alleviated by the release layer 13 is transferred, and the concavo-convex shape can be imparted to the surface of the resulting decorative molded product. Further, when the surface shape of the first region R 1 is substantially smooth, increasing the substantially can be made smooth, gloss resulting decorative molded article surface shape of the transfer layer 20 has been transferred to the transfer target Can do.
  • the absolute value of the degree of unevenness in the first region R 1 is not particularly limited, but the maximum height roughness Rz is 0.2 to 4.0 ⁇ m. It is preferable to set the degree.
  • the arithmetic average roughness Ra is preferably about 0.05 to 2.0 ⁇ m.
  • the first region R 1 may be formed by dividing the first region R 1 to two or more locations. In that case, it may be each of the first region R 1 of the surface shape as different.
  • the second region R 2 of the base material layer 11 is a region for providing the for alignment used to transfer the transfer target pattern (alignment marks).
  • the second region R 2 has a partially deployed convex portion 24 to the basis of the alignment pattern.
  • the convex part 24 is preferably formed in the resin layer 2 by shaping using a plate having a shape complementary to the second region R 2 from the viewpoint of forming an accurate and precise shape.
  • the height h of the convex portion 24 is 1.0 to 6.0 ⁇ m.
  • the height h of the convex portion 24 is less than 1.0 ⁇ m, it is difficult to maintain the shape of the convex portion 24 every time the convex portion 24 is laminated, and the convex portion 24 is formed on the surface of the transfer layer 20. It becomes difficult to form the follow-up protrusion 25 as a base. If the follow-up protrusion 25 based on the convex portion 24 cannot be formed on the surface of the transfer layer 20, the photoelectric sensor cannot detect the light amount difference between the convex portion and the concave portion, and the pattern position for alignment is determined. It cannot be detected.
  • the height h of the convex portion 24 is more than 6.0 ⁇ m, when laminating on the convex portion 24, the contact pressure of the convex portion 24 becomes high and a lot of ink rides on the convex portion 24, The bottom of the layer laminated on the convex portion 24 is likely to spread, and light is diffused at the bottom to adversely affect the alignment. And since the height h of the convex part 24 is more than 6.0 ⁇ m, the convex part 24 may be deformed by a load at the time of stacking on the convex part 24. It becomes difficult to maintain the accuracy of alignment.
  • the height h of the convex portion 24 is preferably 1.5 to 5.5 ⁇ m, more preferably 2.0 to 5.0 ⁇ m from the viewpoint of forming the follow-up protrusion 25 having a desired shape. More preferably, it is 2.5 to 4.5 ⁇ m.
  • the heights h of the convex portions 24 may not be the same. However, from the viewpoint of facilitating uniform formation of the height H of the tracking protrusion 25, it is preferable that all the heights h of the protrusions 24 be the same or approximate values.
  • the height h of the convex part 24 means the structure forming the convex part 24 from the reference plane of the base material layer 11 having a cross section cut in a direction perpendicular to the extending direction of the structural body. The height of the center.
  • the distance d between the end portions of the convex portion 24 is 10 to 500 ⁇ m.
  • a skirt is formed due to the influence of ink dripping between the end portions of the convex portion 24 when laminating on the convex portion 24. It becomes difficult to maintain the accuracy of alignment.
  • the tracking protrusions 25 based on the protrusions 24 adjacent to the surface of the transfer layer 20 may be connected to each other, and if the individual tracking protrusions 25 cannot be recognized, the alignment accuracy is maintained. Difficult to do.
  • the distance d between the end portions of the convex portions 24 is more than 500 ⁇ m, when the layers are stacked on the convex portions 24, the contact pressure of the convex portions 24 is increased and a large amount of ink is loaded on the convex portions 24.
  • the skirt of the layer laminated on the convex portion 24 is likely to spread, and light is diffused at the skirt to adversely affect the alignment.
  • Interval d of ends of the convex portion 24 improves the recognition rate of the alignment mark, from the viewpoint of suppressing the area of the second region R 2 is wider than necessary, preferably from 15 ⁇ 450 [mu] m, It is more preferably 20 to 400 ⁇ m, and further preferably 25 to 350 ⁇ m.
  • the distance d between the ends of the convex portion 24 refers to the distance between the ends of the bottom of the convex portion 24.
  • the ratio h / d between the height h of the convex portion 24 and the distance d between the end portions of the convex portion 24 is preferably 0.003 to 0.100, and preferably 0.005 to 0.080. More preferably, it is 0.007 to 0.060.
  • the width b of the convex portion 24 is preferably 5 to 200 ⁇ m, more preferably 10 to 150 ⁇ m, and even more preferably 15 to 100 ⁇ m.
  • the width b of the convex portion 24 is preferably 5 to 200 ⁇ m, more preferably 10 to 150 ⁇ m, and even more preferably 15 to 100 ⁇ m.
  • the width b of the convex part 4 means the width
  • the ratio h / b between the height h of the convex portion and the width b of the convex portion is preferably 0.010 to 0.050, more preferably 0.015 to 0.045, and more preferably 0.020. More preferably, it is ⁇ 0.040.
  • the ratio h / b 0.010 or more it can suppress the area of the second region R 2 is wider than necessary. Further, by setting the ratio h / b to 0.050 or less, it is possible to easily form the follow-up protrusion 25 that maintains the shape of the protrusion 24.
  • the convex part 24 can be formed from a line-shaped structure, a dot-shaped structure or the like extending in an arbitrary direction, and is preferably formed from a line-shaped structure.
  • the arbitrary direction is not particularly limited and may be an oblique direction (for example, 45 degrees with respect to the width direction of the transfer sheet), but is preferably a direction parallel to any one side of the transfer sheet 100.
  • the flow direction of the transfer sheet 100 is more preferable.
  • each direction of the some convex part 24 is parallel.
  • the convex portion 24 may be formed continuously without interruption in any direction in the second inner region R 2, but may be one that extends in any direction partially interrupted.
  • the cross section obtained by cutting the structure forming the convex portion 24 in a direction perpendicular to the extending direction of the structure is preferably substantially rectangular.
  • the convex portion 24 and the transfer layer 20 described later satisfy the relationship of [the height of the convex portion / the thickness of the transfer layer] of 0.1 to 5.0, preferably 0.1 to 3.5. It is more preferable to satisfy the relationship, and it is further preferable to satisfy the relationship of 0.1 to 1.0.
  • the ratio By setting the ratio to 0.1 or more, it is possible to easily form the tracking protrusion 25 based on the protrusion 24 on the surface of the transfer layer 20. Further, by setting the ratio to 5.0 or less, the convex portion 24 is not easily deformed by a load, and the alignment accuracy can be easily maintained.
  • Transfer sheet 100 of the present embodiment may have a second region R 2 of two or more. If a second region R 2 of two or more, it is preferable to change the role of each area. For example, when having a plurality of second regions R 2, either one aligns the width direction, it is preferably configured to perform the alignment of the flow direction in the other. By configuring the second region R 2 as described above, it is possible to align in both directions in the width direction and the flow direction, thereby improving the accuracy of alignment.
  • the second region R 2 is provided on both sides of the first region R 1 , and the alignment pattern portion (alignment mark) AL is the uneven portion 5. It is preferable to be provided on both sides.
  • the alignment pattern portion AL is provided on both sides of the uneven portion 5, the position in the width direction of the alignment pattern portion AL with respect to the uneven portion 5 can be changed regardless of the number of times the transfer sheet 100 is rewound. Therefore, the alignment accuracy can be increased, and the productivity can be improved.
  • the second region R 2 are transferred to the transfer target, preferably be removed at the stage to obtain a decorated molded article.
  • the transfer layer 20 from the viewpoint of transferring the exact position of the object to be transferred, it is preferable to remove the second region R 2 at the timing of (3).
  • the release sheet 10 of the transfer sheet 100 is formed so as to be peelable at the interface with the transfer layer 20 when it is in close contact with the transfer object.
  • the release sheet 10 preferably has a release layer 13 on at least a part of the surface in contact with the transfer layer 20. Further, from the viewpoint of uniform release property within the surface of the transfer sheet 100, the release sheet 10 has a release layer 13 on the entire surface in contact with the transfer layer 20, as shown in FIG. It is preferable.
  • the release layer 13 is formed on the concavo-convex portion 5 to relieve the concavo-convex shape and form a concavo-convex shape with less high-frequency components on the surface of the decorative molded product. It is possible to suppress whitening and glare of the decorative molded product.
  • the release layer 13 may be the same as that described in the first embodiment.
  • the release sheet 10 may have other layers. Examples of other layers include an antistatic layer. When the release sheet 10 has an antistatic layer, it is possible to suppress the release charge when the release sheet is peeled off, and to improve the transfer workability.
  • Antistatic layer As the antistatic layer, the same materials as those described in the first embodiment can be used.
  • a transfer layer 20 is formed on at least a part of the release sheet 10.
  • the transfer layer 20 is a layer to be transferred to the transfer object, and includes, for example, a protective layer 21 and an adhesive layer 22 in order from the side close to the release sheet 10 as shown in FIG.
  • the transfer layer 20 has a tracking protrusion 25 based on the protrusion 24 on the surface.
  • the transfer layer 20 is preferably formed on the entire surface of the release sheet 10 as shown in FIG.
  • Each layer such as the protective layer 21 and the adhesive layer 22 constituting the transfer layer 20 is prepared by, for example, adjusting ink containing the constituent components of each layer and applying a coating method such as a gravure coating method or a roll coating method on the release sheet 10. It can be formed by coating and drying by a printing method such as gravure printing or screen printing, and curing by irradiation with ionizing radiation as required.
  • the ink for forming the transfer layer for forming the transfer layer 20 has a solvent ratio of 90% by mass or less from the viewpoint of facilitating formation of the follow-up protrusion 25 that follows the protrusion 24. Is preferred.
  • the height H of the follow-up protrusion 25 is preferably 1.0 to 10.0 ⁇ m, more preferably 1.5 to 9.0 ⁇ m, and even more preferably 2.0 to 8.0 ⁇ m. .
  • the height H of the follow-up projection 25 is preferably 1.0 to 10.0 ⁇ m, more preferably 1.5 to 9.0 ⁇ m, and even more preferably 2.0 to 8.0 ⁇ m. .
  • the heights H of the follow-up protrusions 25 are all the same or approximate values from the viewpoint that the detection of the light amount difference between the protrusions and the recesses is uniform and easy.
  • the height H of the follow-up protrusion 25 refers to the height of the central portion of a cross section obtained by cutting the structure forming the follow-up protrusion 25 in a direction perpendicular to the extending direction of the structure.
  • the protective layer 21 has a role of protecting the decorative molded product from abrasion, light, chemicals, and the like after the transfer layer 20 is transferred from the transfer sheet 100 to the transfer target. If having a concave-convex portion 5 release sheets first region R 1 of 10, protective layer 21 having a complementary shape to the irregular shape is imparted to the surface of the decorative molded article. Further, when the first region R 1 of the release sheet 10 is substantially smooth, it can be surface substantially smooth protective layer 21 is applied to the surface of the decorative molded article, increasing the gloss of the decorative molded article.
  • the protective layer 21 can be the same as that described in the first embodiment.
  • the transfer layer forming ink for forming the protective layer 21 preferably has a solvent ratio of 60 to 90% by mass or less from the viewpoint of facilitating the formation of the follow-up protrusion 25 that follows the protrusion 24. It is more preferably 65 to 90% by mass, and further preferably 70 to 90% by mass.
  • the adhesive layer 22 has a role of improving the transfer work by improving the adhesion between the transfer object 20 such as a resin molded body and the transfer layer 20.
  • the surface of the transfer layer 20 is provided with an alignment pattern portion AL having a follow-up protruding portion 25 based on the convex portion 24.
  • an alignment pattern portion AL having a tracking protrusion 25 based on the protrusion 24 is provided on the surface of the adhesive layer 22.
  • the following protrusion 25 is formed by following the protrusion 24 by providing the transfer layer 20 including the protective layer 21 and the adhesive layer 22 on the protrusion 24 provided on the release sheet 10. It is a part to do.
  • the adhesive layer 22 can be the same as that described in the first embodiment.
  • the ink for forming the adhesive layer for forming the adhesive layer 22 preferably has a solvent ratio of 80 to 90% or less from the viewpoint of facilitating the formation of the follow-up protrusion 25 that follows the protrusion 24. More preferably, it is 85 to 90% by mass.
  • the adhesive layer 22 may be configured to include two types of layers, an anchor coat layer and an adhesive layer.
  • the thickness of the anchor coat layer is preferably 0.5 to 10 ⁇ m, more preferably 1.0 to 8.0 ⁇ m, and 2.0 to 6. More preferably, it is 0 ⁇ m.
  • the thickness of the adhesive layer is preferably from 0.1 to 10 ⁇ m, more preferably from 0.5 to 8.0 ⁇ m, and even more preferably from 1.0 to 5.0 ⁇ m.
  • the colored layer 30 may be provided on the tracking protrusion 25 as shown in FIG.
  • the colored layer 30 is provided on the following protrusion 25 of the alignment pattern portion AL provided on the surface of the transfer layer 20.
  • the colored layer 30 has a role of causing a contrast of light transmittance or light reflectance between a portion where the colored layer 30 is present and a portion where the colored layer 30 is not present in the alignment pattern portion AL.
  • the colored layer 30 is disposed so as to be positioned at least at a part of the alignment pattern portion AL of the transfer layer 20 (adhesive layer 22) as shown in FIG. It is preferable to do.
  • the colored layer 30 is preferably composed of three portions: a line portion 30 a, a solid coating center portion 30 b, and a solid coating portion 31.
  • the line portion 30a and the solid coating center portion 30b have different light transmittance or light reflectance, and the transfer sheet 100 can be aligned in an arbitrary process using the contrast of the light transmittance or light reflectance. It becomes.
  • the light transmittance may be any of transmittance in the normal transmission direction, diffuse transmittance, and total transmittance.
  • the light reflectance may be any of transmittance in the regular reflection direction, diffuse reflectance, and total reflectance.
  • the ratio of the area of the line portion 30a in the colored layer 30 in the second region R 2 is preferably 15 to 85%, more preferably 20 to 80%, more preferably 30 to 70% .
  • the ratio of the area of the line portion 30a within the above range, the contrast of the light transmittance or the light reflectance between the solid coating center portion 30b and the solid coating portion 31 can be easily clarified, and the alignment accuracy can be improved. Can do.
  • the solid color portion 31 may be wider than the second region R 2 of the line portion 30a is wide is preferably easier to see more alignment pattern portion AL in different width.
  • the colored layer 30 can be the same as that described in the first embodiment.
  • the colored layer 30 can be formed, for example, by transferring the colored layer forming ink onto the following protrusion 25 of the alignment pattern portion AL by a transfer method such as fusion thermal transfer or sublimation thermal transfer.
  • a transfer method for forming the colored layer 30 fusion heat transfer is particularly preferable from the viewpoint of suppressing foil dust.
  • the colored layer 30 may also be formed by applying a colored layer forming ink on the follow-up protruding portion 25 of the alignment pattern portion AL and then drying by a printing method such as gravure reverse printing or gravure printing. Can do.
  • gravure reverse printing is particularly preferable.
  • the thickness of the colored layer 30 is preferably 0.3 to 5.0 ⁇ m, and preferably 0.4 to 4.0 ⁇ m, from the viewpoint that the contrast for alignment may be adjusted. Is more preferably 0.5 to 3.0 ⁇ m.
  • the transfer layer 20 may have other layers. Examples of other layers include an anchor layer and a printing layer.
  • the anchor layer is a layer provided as necessary to improve heat resistance when placed in a high temperature environment such as in-mold molding.
  • the anchor layer is preferably formed between the protective layer 21 and the adhesive layer 22.
  • the anchor layer can be the same as that described in the first embodiment.
  • the transfer layer 20 may further have a printing layer.
  • the printed layer has a role of imparting a desired design property to the decorative molded product.
  • Printed layer when observed the transfer sheet 100 from the planar direction, is preferably disposed so as to be positioned on at least a portion of the first region R 1. Further, the position in the thickness direction of the printing layer may be disposed on the adhesive layer 22, may be disposed between the adhesive layer 22 and the protective layer 21, or may be disposed between the protective layer 21 and the release layer. You may arrange
  • the resin component of a printing layer is made into resin of the same system as the resin component of the adhesive bond layer 22 from a viewpoint of equalization of adhesiveness with a to-be-transferred material. It is preferable to use the same resin.
  • the pattern of the printing layer is arbitrary, and examples thereof include wood grain, stone grain, cloth grain, sand grain, circle, square, polygon, geometric pattern, character, solid printing, and the like.
  • the printing layer can be the same as that described in the first embodiment.
  • the print layer can be formed at an accurate position by performing alignment using the alignment pattern portion AL.
  • a resin layer forming ink containing an ionizing radiation curable resin composition is applied onto a support 1, and an uncured resin layer 2 is applied.
  • the plate having a shape complementary to the forming step and the first region R 1 and the second region R 2 the uncured resin layer 2 was shaped and simultaneously irradiated with ionizing radiation.
  • a step of curing the resin layer 2 a step of applying a release layer forming ink on the cured resin layer 2 to form a release layer 13, and a protective layer forming ink on the release layer 13 And forming the protective layer 21 and applying the adhesive layer forming ink on the protective layer 21 to form the adhesive layer 22.
  • the colored layer forming ink is applied on the following protrusion 25 formed at a position corresponding to the second region R 2 in the adhesive layer 22. It is preferable to further include a step of applying and forming the colored layer 30. By further including the process of forming the colored layer 30, it can be set as the transfer layer 20 which has the colored layer 30 on the tracking protrusion part 25.
  • a plate having a shape complementary to the first region R 1 and the second region R 2 is formed by engraving the surface of the cylinder into a desired shape by, for example, etching, sand blasting, cutting and laser processing, or a combination thereof. Can be obtained. Alternatively, laser engraving, by stereolithography or the like to prepare a plate of male long (plate having a first region R 1 and the second region R 2 and the same shape), a material obtained by inverting it to the surface of the cylinder It can be obtained by wrapping.
  • the surface of these plates is preferably hard-plated with chromium or the like.
  • the transfer sheet 100 is preferably manufactured with multiple impositions from the viewpoint of manufacturing efficiency.
  • the transfer sheet 100 manufactured in such a multi-face manner is subjected to a transfer process as a long transfer sheet or a single sheet transfer sheet.
  • the transfer sheet 100 manufactured by the above process detects the difference in light quantity between the convex portion and the concave portion, with the following protrusion 25 as a pattern for alignment being a convex portion, and between the end portions of the following protruding portion 25 as a concave portion. This makes it easier to align.
  • Examples of the optional step of aligning include a step of slitting the transfer sheet 100 in a long length, a step of punching the transfer sheet 100 into a sheet, and a step of transferring the transfer sheet 100 to a transfer object. It is done.
  • the tracking protrusion 25 as the pattern for alignment using the photoelectric sensor as a convex part, and between the end parts of the tracking protrusion 25 as a concave part, the convex part and the concave part It is preferable to include a first alignment step for detecting a difference in the amount of light and a second alignment step for detecting an alignment pattern using an image sensor.
  • the pattern position for alignment can be detected by detecting a light amount difference between the convex portion and the concave portion by a retroreflective laser sensor (photoelectric sensor). The amount of light detected by scattering of light at the convex portion decreases.
  • the first alignment step can be performed even when the transfer sheet 100 is flowing, and is a simple alignment step for reading the pattern position for alignment.
  • the second alignment step light is emitted from the light source to the alignment pattern position detected in the first alignment step, and the specularly reflected light in the alignment pattern is measured by an image sensor such as a camera.
  • the boundary between the convex portion and the concave portion can be detected.
  • the transfer sheet 100 can be aligned.
  • the second alignment step is basically a step that is performed when the transfer sheet 100 is stopped, such as a step of punching the transfer sheet 100 into a sheet and a step of transferring the transfer sheet 100 to a transfer object. This is an alignment process for accurately reading a pattern for alignment.
  • the alignment is performed by the light transmittance by the colored layer 30 that is the pattern printing for alignment
  • the light source installed below the transfer sheet 100 and the light source above the transfer sheet 100 are installed at positions facing the light source.
  • Position detection can be performed by detection using an image sensor.
  • the detection can be performed by a light source and an image sensor installed above the transfer sheet 100 at an arbitrary angle.
  • the method for manufacturing a decorative molded product according to the fourth embodiment of the present invention includes a step of transferring the transfer layer 20 of the transfer sheet 100 of the present invention described above to a transfer object, and a release sheet 10 of the transfer sheet 100. And a step of peeling.
  • Examples of the material to be transferred include a resin molded body.
  • the decorative molded product manufactured by the above process improves the readability of the pattern for alignment and can transfer the transfer layer to the exact position of the transfer object, so that the appearance after transfer can be improved. it can.
  • a known transfer method can be used for the method of manufacturing the decorative molded product. For example, (i) a method in which a transfer sheet is attached to a preliminarily molded transfer object, the transfer layer of the transfer sheet is transferred, and then the release sheet of the transfer sheet is peeled off; A method of sticking a transfer sheet to a transfer material, transferring the transfer layer of the transfer sheet, peeling off the release sheet of the transfer sheet, and then forming a transfer material on which the transfer layer is laminated, (iii) ) A method of integrating a transfer material with a transfer sheet at the time of injection molding and then peeling the release sheet of the transfer sheet [in-mold molding (injection molding simultaneous transfer decoration method)]. Among them, according to in-mold molding (injection molding simultaneous transfer decoration method), it is possible to perform decorative molding on a resin molded body having a complicated surface shape such as a three-dimensional curved surface.
  • the transfer layer side of the above-mentioned transfer sheet is arranged facing the inside of the mold for in-mold molding.
  • a step of injecting and injecting a resin into the in-mold mold (2) a step of integrating the transfer sheet and the resin and transferring the transfer layer of the transfer sheet onto the surface of the resin molded body (transfer object); and (4) a resin molded body (transfer target).
  • the transfer sheet is arranged at an accurate position of the mold using the alignment pattern portion of the second region R 2. be able to. After the step (4), it is preferable to trim (remove) unnecessary portions as necessary. (4) When the second region R 2 after step are still present, it is preferred to trim (remove) the region.
  • thermoplastic resin As the resin molding, it is preferable to use a thermoplastic resin or a thermosetting resin that can be injection-molded, and various known resins can be used.
  • a thermoplastic resin examples include polystyrene resins, polyolefin resins, ABS resins (including heat-resistant ABS resins), AS resins, AN resins, polyphenylene oxide resins, polycarbonate resins, polyacetal resins, acrylic resins, Examples thereof include polyethylene terephthalate resin, polybutylene terephthalate resin, polysulfone resin, and polyphenylene sulfide resin.
  • Example of transfer sheet according to the first embodiment (Example of transfer sheet according to the first embodiment) 1.
  • Production of Plate A cylinder having a copper plating layer having a thickness of 200 ⁇ m was prepared.
  • the surface of the cylinder was etched to form two grooves 40 as a set, and two sets of grooves 40 were formed in the flow direction (FIG. 9A).
  • the depth of each groove was 5.0 ⁇ m and the width was 5.0 mm.
  • the distance between ends of a pair of grooves (P 1) was 3.0 mm.
  • the shape when observed from the plane direction by the etching process is a substantially square shape (a substantially square having a straight line parallel to both the flow direction and the width direction.
  • the length of one side is 6 mm), and the depth is 5.
  • a 0.0 ⁇ m recess 70 was formed at the same time (FIG. 9A).
  • the entire surface of the cylinder was covered with a mask 50 in which a portion (60) for forming the uneven portion of the first region was cut (FIG. 9B).
  • the uneven portion of the first region has a substantially rectangular shape 60 as shown in FIG.
  • irregularities were formed at locations not covered with the mask 50 by blasting using glass beads.
  • the maximum height roughness Rz of the irregularities obtained by reversing the irregularities was 1.5 ⁇ m, and the arithmetic average roughness Ra was 0.5 ⁇ m.
  • the mask 50 was removed (FIG. 9C), and the surface of the cylinder was hard-plated (chrome plating) to obtain a two-sided plate.
  • a resin layer forming ink having the following formulation was applied and dried to form an uncured resin layer having a thickness of 8.0 ⁇ m.
  • an uncured resin layer is shaped, and at the same time, ionizing radiation is irradiated from the polyethylene terephthalate film side to cure the shaped resin layer.
  • a base material layer having a resin layer formed thereon was obtained.
  • the black ink is applied so that the amount of adhesion after drying is 1 g / m 2 (about 1 ⁇ m) on the protrusions in the second region of the base material layer and on the second protrusions in the other regions.
  • a colored layer forming ink obtained by diluting made by Showa Ink Co., Ltd., trade name: EIS (NT) black
  • EIS (NT) black was applied and dried to form a colored layer. There was substantially no ink in the colored layer between the set of protrusions in the second region.
  • a release layer forming ink having the following formulation was applied to the entire surface and dried to form a release layer having a thickness of 0.5 ⁇ m, thereby obtaining a release sheet.
  • ⁇ Ink for forming release layer> Acrylic polyol 70 parts by mass (manufactured by Soken Chemical Co., Ltd., trade name: Thermolac SU100A) ⁇ Isocyanate 25 parts by mass (Mitsui Chemicals, trade name: Takenate D-110N) ⁇ Ethyl acetate 161 parts by mass ⁇ Methyl isobutyl ketone 56 parts by mass
  • the anchor layer forming ink having the following formulation was applied onto the protective layer so that the amount of adhesion after drying was 3.0 g / m 2, and after forming a coating film, the film was dried at 40 ° C. for 72 hours and cured. An anchor layer having a thickness of 2 ⁇ m was formed.
  • an adhesive layer forming ink having the following formulation was applied onto the anchor layer so that the adhesion amount after drying was 2.5 g / m 2 to form a coating film.
  • the coating film was dried to form an adhesive layer having a thickness of 2 ⁇ m to obtain a two-sided transfer sheet.
  • ⁇ Coating solution for adhesive layer > -100 parts by mass of acrylic resin (manufactured by Dainichi Seika Co., Ltd., trade name: TM-R600, solid content 20%) (Ethyl acetate / n-propyl / methyl ethyl ketone mixed solvent) ⁇ Methyl ethyl ketone 40 parts by mass
  • the two-sided transfer sheet obtained in the above “3” was slit using the contrast of the light transmittance difference in the second region. As a result, it was possible to slit at an accurate position. Further, the two-sided transfer sheet obtained in the above “3” was punched into sheets using the contrast of the light transmittance difference between the second region and other regions. As a result, it was possible to perform punching at an accurate position.
  • a decorative molded product was produced by the following steps (z1) to (z5) using a slit sheet and a transfer sheet punched into sheets.
  • (Z1) a step of disposing the transfer layer side of the transfer sheet toward the inside of the in-mold mold (z2) a step of injecting and injecting resin into the in-mold mold, (Z3) a step of integrating the transfer sheet and the resin, and transferring the transfer layer of the transfer sheet onto the surface of the resin molded body (transfer object); (Z4) Step of peeling the release sheet of the transfer sheet after taking out the resin molded body (transfer object) from the mold (z5) Step of trimming (removing) the second region and / or other regions
  • the transfer sheet when the transfer sheet is arranged in the step (z1), the transfer sheet is arranged at an accurate position of the mold using the contrast of the light transmittance difference between the second region and / or other regions. I was able to. For this reason, the transfer layer was able to be transferred to the exact position of the material to be transferred (resin molded product).
  • the transfer sheet in which the second region remained had a fine protrusion formed on the transfer layer side surface of the transfer sheet. For this reason, blocking can be suppressed even if the slit-processed transfer sheet in which the second region remains is wound or a large number of single-sheet transfer sheets in which the second region remains are stacked.
  • the entire surface of the cylinder was covered with a mask 50 in which a portion (60) for forming the concavo-convex portion of the first region was cut (FIG. 19B).
  • the uneven portion in the first region has a substantially rectangular shape 60 as shown in FIG.
  • irregularities were formed at locations not covered with the mask 50 by blasting using glass beads.
  • the maximum height roughness Rz of the irregularities obtained by reversing the irregularities was 1.5 ⁇ m, and the arithmetic average roughness Ra was 0.5 ⁇ m.
  • the mask 50 was removed (FIG. 19C), and the surface of the cylinder was hard-plated (chrome plating) to obtain a two-sided plate A.
  • Plate B (Comparative Plate) A cylinder having a copper plating layer having a thickness of 200 ⁇ m was prepared. The surface of the cylinder was etched to form one groove (width 3.0 mm, depth 5.0 ⁇ m, continuously stretched in the flow direction of the cylinder). Next, using the groove as a reference for alignment, the entire surface of the cylinder was covered with a mask in which a portion where the uneven portion of the first region was formed was punched, and blasted under the same conditions as in the plate A. Next, the mask was removed, and the surface of the cylinder was hard-plated (chromium plating) to obtain a two-sided plate B.
  • release sheet 2-1 Production of Release Sheet A (Release Sheet for Example 1) On a polyethylene terephthalate film having a thickness of 50 ⁇ m, an ink for forming a resin layer having the following formulation was applied and dried, and an uncured resin having a thickness of 8.0 ⁇ m. A layer was formed.
  • an uncured resin layer is shaped, and at the same time, the shaped resin layer is cured by irradiating ionizing radiation from the polyethylene terephthalate film side.
  • a base material layer having a resin layer formed on a terephthalate film was obtained.
  • black ink manufactured by Showa Ink Co., Ltd., trade name: so that the adhesion amount after drying is 1 g / m 2 (about 1 ⁇ m) on the protrusions in the second region of the base material layer and the peripheral protrusions.
  • a colored layer forming ink obtained by diluting EIS (NT) black with a solvent was applied and dried to form a colored layer.
  • a release layer forming ink having the following formulation was applied to the entire surface and dried to form a release layer having a thickness of 0.5 ⁇ m, whereby a release sheet A was obtained.
  • a distance P 4 between the first region R 1 and the second regions R 2A and R 2B was 120 mm.
  • ⁇ Ink for forming release layer> Acrylic polyol 70 parts by mass (manufactured by Soken Chemical Co., Ltd., trade name: Thermolac SU100A) ⁇ Isocyanate 25 parts by mass (Mitsui Chemicals, trade name: Takenate D-110N) ⁇ Ethyl acetate 161 parts by mass ⁇ Methyl isobutyl ketone 56 parts by mass
  • Release Sheet B (Release Sheet for Comparative Example 1)
  • the plate A is changed to the plate B produced in the above “1-2”, and a colored layer is formed on one protrusion. Except for the formation, release sheet B was obtained in the same manner as in 2-1. In the release sheet B, the colored layer was partially soiled around one protrusion.
  • Release Sheet C (Release Sheet for Example 2)
  • a resin layer forming ink having the following formulation was applied on a polyethylene terephthalate film having a thickness of 50 ⁇ m and dried to obtain a thickness of 8.
  • An uncured resin layer of 0 ⁇ m was formed.
  • ⁇ Resin layer forming ink> Ionizing radiation curable resin composition 40 parts by mass (made by Kyoei Chemical Co., Ltd., acrylic resin) ⁇ Photopolymerization initiator 3 parts by mass ⁇ Methyl ethyl ketone 60 parts by mass ⁇ Silicone leveling agent 0.5 parts by mass
  • a release layer forming ink having the following formulation was applied to the entire surface of the resin layer and dried to form a release layer having a thickness of 0.5 ⁇ m.
  • ⁇ Ink for forming release layer> Acrylic polyol 70 parts by mass (manufactured by Soken Chemical Co., Ltd., trade name: Thermolac SU100A) ⁇ Isocyanate 25 parts by mass (Mitsui Chemicals, trade name: Takenate D-110N) ⁇ Ethyl acetate 161 parts by mass ⁇ Methyl isobutyl ketone 56 parts by mass
  • the colored layer forming ink of the following formulation is applied on the protrusions in the second region of the release layer and the peripheral protrusions so that the adhesion amount after drying is 1 g / m 2 (about 1 ⁇ m).
  • a colored layer was formed, and a release sheet C was obtained.
  • a distance P 4 between the first region R 1 and the second regions R 2A and R 2B was 118 mm.
  • Release Sheet D (Release Sheet for Comparative Example 2) Same as 2-3 above, except that in the above “2-3”, a colored layer was formed by changing to the colored layer forming ink having the following formulation. Thus, a release sheet D was obtained.
  • a distance P 4 between the first region R 1 and the second regions R 2A and R 2B was 118 mm.
  • the anchor layer forming ink having the following formulation was applied onto the protective layer so that the amount of adhesion after drying was 3.0 g / m 2, and after forming a coating film, the film was dried at 40 ° C. for 72 hours and cured. An anchor layer having a thickness of 2 ⁇ m was formed.
  • ⁇ Ink for anchor layer> Acrylic polyol 100 parts by mass (manufactured by Dainichi Seika Kogyo Co., Ltd., trade name: TM-VMAC, solid content 25%) (Toluene / ethyl acetate / methyl ethyl ketone mixed solvent) ⁇ 10 parts by mass of xanthethylene diisocyanate (manufactured by Dainichi Seika Kogyo Co., Ltd., trade name: PTC-RC3) (Solid content 75%, solvent: ethyl acetate)
  • an adhesive layer forming ink having the following formulation was applied onto the anchor layer so that the adhesion amount after drying was 2.5 g / m 2 to form a coating film.
  • the coating film was dried to form an adhesive layer having a thickness of 2 ⁇ m to obtain a two-sided transfer sheet.
  • ⁇ Coating solution for adhesive layer > -100 parts by mass of acrylic resin (manufactured by Dainichi Seika Kogyo Co., Ltd., trade name: TM-R600, solid content 20%) (Ethyl acetate / n-propyl / methyl ethyl ketone mixed solvent) ⁇ Methyl ethyl ketone 40 parts by mass
  • Comparative Example 1 A two-sided transfer sheet was obtained in the same manner as in 3-1 (Example 1) except that the release sheet was changed to the release sheet B obtained in the above “2-2”.
  • Example 2 A two-sided transfer sheet was obtained in the same manner as in 3-1 (Example 1) except that the release sheet was changed to the release sheet C obtained in “2-3” above.
  • Comparative Example 2 A two-sided transfer sheet was obtained in the same manner as in 3-1 (Example 1) except that the release sheet was changed to the release sheet D obtained in the above “2-4”.
  • the two-sided transfer sheet (transfer sheets of Examples 1 and 2 and Comparative Example 2) obtained in the above “3-1”, “3-3” and “3-4” is used as the second region R. Sheets were punched using the contrast of the light transmittance difference between 2A and R 2B . As a result, it was possible to perform punching at an accurate position.
  • the two-sided transfer sheet obtained in the above “3-2” (transfer sheet of Comparative Example 1) has no alignment means in the flow direction, and there is no background stain around one protrusion. As a result, it was difficult to punch into a sheet at an accurate position.
  • the two-sided transfer sheet obtained in the above “3-3” did not generate foil dust even when the colored layer was cut by slit processing and sheet cutting.
  • the two-sided transfer sheet obtained in the above “3-4” generated foil dust when the colored layer was cut by slitting and punching a sheet. Oops.
  • a decorative molded product was produced by the following steps (z1) to (z5) using a slit sheet and a transfer sheet punched into sheets.
  • (Z1) a step of disposing the transfer layer side of the transfer sheet toward the inside of the in-mold mold (z2) a step of injecting and injecting resin into the in-mold mold, (Z3) a step of integrating the transfer sheet and the resin, and transferring the transfer layer of the transfer sheet onto the surface of the resin molded body (transfer object); (Z4) Step of removing the release sheet of the transfer sheet after removing the resin molded body (transfer object) from the mold (z5) Step of trimming (removing) the second region
  • the transfer sheet when the transfer sheet is arranged in the step (z1), the transfer sheet is arranged at an accurate position of the mold using the contrast of the light transmittance difference between the second regions R 2A and R 2B. I was able to. For this reason, the transfer layer was able to be transferred to the exact position of the material to be transferred (resin molded product).
  • the transfer sheet in which the second regions R 2A and R 2B remained had fine protrusions formed on the transfer layer side surface of the transfer sheet. Therefore, the second region R 2A, or wound transfer sheet was slit machining R 2B remained, the second region R 2A, even or overlaid many transfer sheet sheet remaining is R 2B, the first The blocking of the region could be suppressed.
  • ⁇ Adhesion 2> After sticking a plant-based cellophane tape (Nichiban Co., Ltd., width 25 mm) to the release sheet of the transfer sheet prepared in the examples and comparative examples, hold the tip of the cellophane tape and keep the angle of 180 degrees 1 The film was pulled off in seconds and the adhesion was evaluated.
  • ⁇ Clarity of alignment pattern> The alignment patterns of the transfer sheets prepared in Examples and Comparative Examples were photographed with micrographs, and the clarity of the alignment patterns was evaluated. Regarding the sharpness, the line widths of 10 colored layers were measured, and the following evaluation was performed. A: The variation of the line width of the colored layer when the transfer sheet is observed from the plane direction is within 5% B: The variation of the line width of the color layer when the transfer sheet is observed from the plane direction is within 10% C: The transfer sheet The variation of the line width of the colored layer when observed from the plane direction exceeds 10%
  • Example 3 Production of Release Sheet On a polyethylene terephthalate film having a thickness of 75 ⁇ m, a resin layer forming ink having the following formulation was applied and dried to form an uncured resin layer having a thickness of 8.0 ⁇ m.
  • a release layer-forming ink having the following formulation was applied over the entire surface of the obtained resin layer, and then dried at 40 ° C. for 72 hours to form a release layer having a thickness of 0.5 ⁇ m.
  • Got. ⁇ Ink for forming release layer> Acrylic polyol 70 parts by mass (manufactured by Soken Chemical Co., Ltd., trade name: Thermolac SU100A) ⁇ Isocyanate 25 parts by mass (Mitsui Chemicals, trade name: Takenate D-110N) ⁇ Ethyl acetate 161 parts by mass ⁇ Methyl isobutyl ketone 56 parts by mass
  • a protective layer-forming ink having the following formulation was applied so that the adhesion amount after drying was 5.0 g / m 2 to form a coating film. Then, using a fusion UV lamp system, the protective layer was semi-cured by irradiating the light source under the conditions of an H bulb, a conveyance speed of 20 m / min, and an output of 40%. The integrated light quantity at this time was 15 mJ / m 2 as measured by an illuminance meter (trade name: UVPF-A1) manufactured by Eye Graphics.
  • the anchor layer forming ink having the following formulation was applied onto the protective layer so that the amount of adhesion after drying was 3.0 g / m 2, and after forming a coating film, the film was dried at 40 ° C. for 72 hours and cured. An anchor layer having a thickness of 2 ⁇ m was formed.
  • an adhesive layer forming ink having the following formulation was applied onto the anchor layer so that the adhesion amount after drying was 2.5 g / m 2 to form a coating film.
  • the coating film was dried to form an adhesive layer having a thickness of 2 ⁇ m to obtain a transfer sheet.
  • ⁇ Ink for forming the adhesive layer > -100 parts by mass of acrylic resin (manufactured by Dainichi Seika Co., Ltd., trade name: TM-R600, solid content 20%) (Ethyl acetate / n-propyl / methyl ethyl ketone mixed solvent) ⁇ Methyl ethyl ketone 40 parts by mass ⁇ Hydroxyphenyl triazine ultraviolet absorber 1.28 parts by mass (trade name: Tinuvin 479, manufactured by BASF)
  • the colored layer forming ink 1 having the following formulation is applied onto the protruding portion in the adhesive layer by a gravure reverse printing method so that the adhesion amount after drying is 1 g / m 2 , dried, and the colored layer. And a transfer sheet of Example 1 was obtained. Table 1 shows the evaluation results of the obtained transfer sheet.
  • Example 4 The transfer sheet of Example 2 was obtained in the same manner as in Example 3 except that the heat transfer using a thermal transfer sheet was used as a method for forming the colored layer. Table 1 shows the evaluation results of the obtained transfer sheet.
  • thermosensitive adhesive having the following composition was dissolved in xylene and gravure coated at a rate of 20 g / m 2 on a solid basis on art paper having a thickness of 70 ⁇ m. Then, a thermal transfer image receiving sheet was prepared. Next, gravure reverse printing is performed on the surface of a 6 ⁇ m-thick polyester film having a heat-resistant layer formed on the back so that the amount of adhesion after drying colored layer forming ink 2 having the following formulation is 1.5 g / m 2. It was applied by the method and dried to prepare a thermal transfer sheet.
  • An image processing system manufactured by Keyence, product name: XG-8000
  • a camera unit manufactured by Keyence, product name: XG-200M
  • coaxial alignment illumination was used as a light source
  • the alignment mark was irradiated with light
  • an image was captured using an image sensor (2 million pixel area sensor).
  • the following evaluation was performed on the imaging result of the alignment mark.
  • B The boundary between the convex part and the concave part can be imaged somewhat unclear.
  • C The boundary between the convex part and the concave part cannot be imaged.
  • Example 5 Production of Release Sheet On a polyethylene terephthalate film having a thickness of 75 ⁇ m, a resin layer forming ink having the following formulation was applied and dried to form an uncured resin layer having a thickness of 8.0 ⁇ m.
  • a release layer forming ink having the following formulation was applied over the entire surface, and then dried at 40 ° C. for 72 hours to form a release layer having a thickness of 0.5 ⁇ m.
  • a release sheet was obtained.
  • ⁇ Ink for forming release layer> Acrylic polyol 70 parts by mass (manufactured by Soken Chemical Co., Ltd., trade name: Thermolac SU100A) ⁇ Isocyanate 25 parts by mass (Mitsui Chemicals, trade name: Takenate D-110N) ⁇ Ethyl acetate 161 parts by mass ⁇ Methyl isobutyl ketone 56 parts by mass
  • a protective layer-forming ink having the following formulation was applied so that the adhesion amount after drying was 5.0 g / m 2 to form a coating film. Then, using a fusion UV lamp system, the protective layer was semi-cured by irradiating the light source under the conditions of an H bulb, a conveyance speed of 20 m / min, and an output of 40%. The integrated light quantity at this time was 15 mJ / m 2 as measured by an illuminance meter (trade name: UVPF-A1) manufactured by Eye Graphics.
  • the anchor layer forming ink having the following formulation was applied onto the protective layer so that the amount of adhesion after drying was 3.0 g / m 2, and after forming a coating film, the film was dried at 40 ° C. for 72 hours and cured. An anchor layer having a thickness of 2 ⁇ m was formed.
  • an adhesive layer forming ink having the following formulation was applied onto the anchor layer so that the adhesion amount after drying was 2.5 g / m 2 to form a coating film.
  • the coating film was dried to form an adhesive layer having a thickness of 2 ⁇ m to obtain a transfer sheet.
  • ⁇ Ink for forming the adhesive layer > -100 parts by mass of acrylic resin (manufactured by Dainichi Seika Co., Ltd., trade name: TM-R600, solid content 20%) (Ethyl acetate / n-propyl / methyl ethyl ketone mixed solvent) ⁇ Methyl ethyl ketone 40 parts by mass ⁇ Hydroxyphenyl triazine ultraviolet absorber 1.28 parts by mass (trade name: Tinuvin 479, manufactured by BASF)
  • Examples 6 to 9, Comparative Examples 4 to 7 A second region R 2 shown in Table 1 by using a plate having a complementary shape, and at the same time the uncured resin layer to shape, by irradiating ionizing radiation a polyethylene terephthalate film side, with vehicle resin layer Except for curing, transfer sheets of Examples 6 to 9 and Comparative Examples 4 to 7 were obtained in the same manner as Example 5.
  • the transfer sheet of the present invention can be suitably used for the production of decorative molded products such as communication devices such as mobile phones, information devices inside automobiles, and home appliances.
  • Support 2 Resin layer 3, 3A, 3B: Protrusion 4, 4A, 4B: Peripheral protrusion 5: Concavity and convexity 6: Second protrusion 7: Second concavity and convexity 11: Base material layer 12, 12A, 12B: Colored layer 13: Release layer 14: Second colored layer 10: Release sheet 20: Transfer layer 21: Protective layer 22: Adhesive layer 23: Print layer 24: Convex portion 25: Following protrusion 30 : Colored layer 100: Transfer sheet 200: Transfer object 300: Decorated molded product

Landscapes

  • Decoration By Transfer Pictures (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne une feuille de transfert permettant de transférer une couche de transfert dans une position précise d'un objet cible de transfert. La feuille de transfert comprend une couche de transfert sur une feuille détachable, la feuille détachable comprenant : une couche de substrat comprenant, sur une surface côté couche de transfert, une première région destinée au transfert vers l'objet cible de transfert et une seconde région fournissant un motif de positionnement ; une partie saillante au sein de la seconde région de la couche de substrat ; et une couche colorée sur la partie saillante. Dans une autre forme de réalisation, la feuille de transfert comprend une couche de transfert sur une feuille détachable, la feuille détachable comprenant une première région destinée au transfert vers l'objet cible de transfert et une seconde région fournissant un motif de positionnement ; la seconde région comporte une partie convexe sur une surface côté couche de transfert ; et la couche de transfert est pourvue d'une partie motif de positionnement qui comporte une partie saillante correspondante, formée sur la base de la partie convexe, sur la surface se situant du côté opposé à la surface sur laquelle la feuille détachable est prévue.
PCT/JP2017/028568 2016-08-08 2017-08-07 Feuille de transfert, procédé de fabrication de feuille de transfert et procédé de fabrication d'article moulé décoratif WO2018030334A1 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP2016-155289 2016-08-08
JP2016155289A JP6759829B2 (ja) 2016-08-08 2016-08-08 転写シート、転写シートの製造方法、及び加飾成形品の製造方法
JP2016168148 2016-08-30
JP2016-168148 2016-08-30
JP2017084549A JP6794916B2 (ja) 2017-04-21 2017-04-21 転写シート、転写シートの製造方法及び加飾成形品の製造方法
JP2017-084549 2017-04-21
JP2017086410A JP6891616B2 (ja) 2016-08-30 2017-04-25 転写シート、転写シートの製造方法、及び加飾成形品の製造方法
JP2017-086410 2017-04-25

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JP2019150988A (ja) * 2018-03-01 2019-09-12 大日本印刷株式会社 転写シート、転写シートの製造方法、及び加飾成形品の製造方法
CN112793291A (zh) * 2020-12-25 2021-05-14 浙江亚欣包装材料有限公司 一种手动制备uv组版的方法

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JPH01202491A (ja) * 1988-02-08 1989-08-15 Dainippon Printing Co Ltd 熱転写シート
JPH08142597A (ja) * 1994-11-21 1996-06-04 Dainippon Printing Co Ltd 転写箔及びこれを用いた装飾ガラス
JP5095598B2 (ja) * 2008-12-25 2012-12-12 日本写真印刷株式会社 部分マット転写シートの製造方法
JP2013001047A (ja) * 2011-06-21 2013-01-07 Dainippon Printing Co Ltd 熱転写シート
JP2014100823A (ja) * 2012-11-19 2014-06-05 Nissha Printing Co Ltd 加飾シート、加飾品及びその製造方法
WO2015163129A1 (fr) * 2014-04-25 2015-10-29 旭化成イーマテリアルズ株式会社 Corps de transfert de fonction et rouleau de film de transfert de fonction
WO2015191058A1 (fr) * 2014-06-11 2015-12-17 Assa Abloy Ab Film de transfert intermédiaire ayant des marques d'alignement pratiquement transparentes

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Publication number Priority date Publication date Assignee Title
JPH01202491A (ja) * 1988-02-08 1989-08-15 Dainippon Printing Co Ltd 熱転写シート
JPH08142597A (ja) * 1994-11-21 1996-06-04 Dainippon Printing Co Ltd 転写箔及びこれを用いた装飾ガラス
JP5095598B2 (ja) * 2008-12-25 2012-12-12 日本写真印刷株式会社 部分マット転写シートの製造方法
JP2013001047A (ja) * 2011-06-21 2013-01-07 Dainippon Printing Co Ltd 熱転写シート
JP2014100823A (ja) * 2012-11-19 2014-06-05 Nissha Printing Co Ltd 加飾シート、加飾品及びその製造方法
WO2015163129A1 (fr) * 2014-04-25 2015-10-29 旭化成イーマテリアルズ株式会社 Corps de transfert de fonction et rouleau de film de transfert de fonction
WO2015191058A1 (fr) * 2014-06-11 2015-12-17 Assa Abloy Ab Film de transfert intermédiaire ayant des marques d'alignement pratiquement transparentes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019150988A (ja) * 2018-03-01 2019-09-12 大日本印刷株式会社 転写シート、転写シートの製造方法、及び加飾成形品の製造方法
JP7110623B2 (ja) 2018-03-01 2022-08-02 大日本印刷株式会社 転写シート、転写シートの製造方法、及び加飾成形品の製造方法
CN112793291A (zh) * 2020-12-25 2021-05-14 浙江亚欣包装材料有限公司 一种手动制备uv组版的方法

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