JP2010240922A - Method for manufacturing printed matter with rugged pattern - Google Patents

Method for manufacturing printed matter with rugged pattern Download PDF

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JP2010240922A
JP2010240922A JP2009090462A JP2009090462A JP2010240922A JP 2010240922 A JP2010240922 A JP 2010240922A JP 2009090462 A JP2009090462 A JP 2009090462A JP 2009090462 A JP2009090462 A JP 2009090462A JP 2010240922 A JP2010240922 A JP 2010240922A
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varnish
layer
printed matter
concavo
halftone dot
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JP5349116B2 (en
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Shigenori Kuroki
繁徳 黒木
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Daio Paper Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a printed matter with a rugged pattern by which a desired rugged pattern can be formed by forming uniform varnish particles at a desired position. <P>SOLUTION: The method for manufacturing the printed matter with the rugged pattern includes at least a cissing layer forming process of providing a cissing layer on a surface of a base material, a glossy layer forming process of providing, on a surface of the cissing layer, a glossy layer by printing varnish in a dot shape by using a dot plate where two or more protrusions are provided and a rugged pattern forming process of forming the rugged pattern by forming the varnish particles by irradiating the glossy layer with UV rays to cure the varnish. Respective processes are treated in this order. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、凹凸模様を有する印刷物の製造方法に関し、より詳細には、基材にエンボス加工を施すことなく、均一な凹凸模様が表面に形成された印刷物の製造方法に関する。   The present invention relates to a method for producing a printed matter having a concavo-convex pattern, and more particularly, to a method for producing a printed matter having a uniform concavo-convex pattern formed on the surface without embossing a substrate.

従来より、凹凸模様を有する印刷物として、エンボス処理を施した基材を用いることにより、表面に凹凸模様を形成している。しかしながら、エンボス処理を施した基材はコストが高いため、このような印刷物は、例えば食品に用いられることが多いが、少しでも製造コストを抑えたいため、エンボス処理を施した基材は使用しにくいという問題があった。   Conventionally, a concavo-convex pattern is formed on the surface by using an embossed substrate as a printed matter having a concavo-convex pattern. However, since the cost of embossed substrates is high, such printed materials are often used, for example, in foods. However, in order to reduce manufacturing costs even slightly, embossed substrates are not used. There was a problem that it was difficult.

そこで、例えば特許文献１や特許文献２に示されるように、基材の表面上の一部又は全面に、撥油性のある下塗りインキ又は塗料を塗設してハジキ層を設け、下塗りインキが乾燥又は未乾燥状態であるハジキ層の上に、電子線又は紫外線硬化型上塗りクリアー塗料を塗布して凹凸形成層（ニス層）を設けて構成された凹凸模様を有する表面加工印刷塗工物等が提案されている。   Therefore, for example, as shown in Patent Document 1 and Patent Document 2, an oil-repellent undercoat ink or paint is applied to a part or the entire surface of the substrate to provide a repellent layer, and the undercoat ink is dried. Alternatively, a surface-processed printed coating or the like having a concavo-convex pattern formed by applying an electron beam or a UV curable overcoat clear paint on an undried repellent layer to provide a concavo-convex forming layer (varnish layer) Proposed.

しかしながら、これらの表面加工印刷塗工物や印刷物は、凹凸形成層（ニス層）をベタ版（平版）を用いてハジキ層の表面上にベタ印刷を行うことにより形成していた。従って、紫外線を照射してニス層をはじかせてニス粒を形成するが、ニス粒が形成される場所を特定することができず、どのような凹凸模様が形成されるかは紫外線を照射してみなければ分からないという問題があった。また、形成されるニス粒の大きさもバラバラであったため、同じ印刷物でも場所によって見栄えが異なることがあり、美粧性が低いという問題もあった。   However, these surface-processed printing coated products and printed materials have been formed by performing solid printing on the surface of the repellent layer using a solid plate (flat plate) for the unevenness forming layer (varnish layer). Therefore, the varnish layer is formed by irradiating ultraviolet rays to form varnish particles, but the location where the varnish particles are formed cannot be specified, and what kind of uneven pattern is formed is irradiated with ultraviolet rays. There was a problem of not knowing without trying. Moreover, since the size of the varnish particles formed was also different, the appearance of the same printed matter may differ depending on the location, and there was a problem that the cosmetics were low.

特開平０６−２７８３５４号公報Japanese Patent Laid-Open No. 06-278354 特開２００８−１００５１号公報JP 2008-10051 A

本発明は上述したような実情に鑑みてなされたものであり、その目的とするところは、所望とする位置に均一なニス粒を形成し、所望とする凹凸模様を形成することができる凹凸模様を有する印刷物の製造方法を提供することにある。   The present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide a concavo-convex pattern capable of forming a desired concavo-convex pattern by forming uniform varnish grains at a desired position. It is providing the manufacturing method of the printed matter which has.

本発明の上記目的は、基材の表面上にハジキ層を設けるハジキ層形成工程と、該ハジキ層の表面上に、複数の凸部が設けられた網点版を用いてニスを網点状に印刷して光沢層を設ける光沢層形成工程と、前記光沢層に紫外線を照射して前記ニスを硬化させてニス粒を形成し凹凸模様を形成する凹凸模様形成工程とを少なくとも具備し、前記各工程は、この順番に処理されることを特徴とする凹凸模様を有する印刷物の製造方法を提供することによって達成される。   The above object of the present invention is to form a repellant layer on the surface of the substrate, and to form a varnish using a halftone dot plate provided with a plurality of convex portions on the surface of the repellant layer. A gloss layer forming step of printing on the gloss layer and irradiating the gloss layer with ultraviolet rays to cure the varnish to form varnish grains to form a concavo-convex pattern, Each step is achieved by providing a method for producing a printed matter having a concavo-convex pattern characterized by being processed in this order.

また、本発明の上記目的は、前記網点版は、網点率が５〜７５％であることを特徴とする凹凸模様を有する印刷物の製造方法を提供することによって、効果的に達成される。   The above-mentioned object of the present invention is effectively achieved by providing a method for producing a printed matter having a concavo-convex pattern, wherein the halftone dot plate has a halftone dot ratio of 5 to 75%. .

さらにまた、本発明の上記目的は、前記ハジキ層は、シリコンが含有された塗工液を０．３〜２ｇ／ｍ２塗布して形成され、また、前記光沢層は、前記ニスを１〜５ｇ／ｍ２塗布して形成されていることを特徴とする凹凸模様を有する印刷物の製造方法を提供することによって、より効果的に達成される。 Furthermore, the above object of the present invention is to form the repellant layer by applying a coating solution containing silicon in an amount of 0.3 to 2 g / m 2 , and the glossy layer includes the varnish 1 to This is achieved more effectively by providing a method for producing a printed matter having a concavo-convex pattern characterized by being formed by applying 5 g / m 2 .

本発明に係る凹凸模様を有する印刷物の製造方法によれば、基材の表面上にハジキ層を設ける工程と、このハジキ層の表面上に、複数の凸部が設けられた網点版を用いてニスを印刷して光沢層を設ける光沢層形成工程と、この光沢層に紫外線を照射してニスを硬化・凝集させてニス粒を形成して凹凸模様を形成する凹凸模様形成工程とを少なくとも具備し、各工程をこの順番に処理することにより、網点版により網点状に塗布された光沢層のニスが硬化・凝集されて形成されるニス粒を所望とする位置で、かつ均一な大きさに形成することができ、さらにはニス粒が脱落せず、耐摩擦性に優れることに加え、高い美粧性を有するようになる。   According to the method for producing a printed matter having a concavo-convex pattern according to the present invention, a step of providing a repellent layer on the surface of the substrate and a halftone plate provided with a plurality of convex portions on the surface of the repellent layer are used. At least a gloss layer forming step of printing a varnish to provide a gloss layer, and a concavo-convex pattern forming step of forming a concavo-convex pattern by irradiating the gloss layer with ultraviolet rays to cure and aggregate the varnish to form varnish grains By providing each step in this order, the varnish particles formed by curing and agglomerating the varnish of the glossy layer applied in a halftone dot pattern by the halftone plate are cured at a desired position and uniform. In addition to being excellent in abrasion resistance, the varnish particles do not fall off and have high cosmetic properties.

本発明に係る製造方法により製造された印刷物の概略断面図である。It is a schematic sectional drawing of the printed matter manufactured by the manufacturing method which concerns on this invention. 本発明に係る製造方法により製造された、紫外線が照射される前の印刷物の概略断面図である。It is a schematic sectional drawing of the printed matter manufactured by the manufacturing method which concerns on this invention before the ultraviolet-ray is irradiated. 本発明に係る製造方法により製造された印刷物の変更例を示す概略断面図である。It is a schematic sectional drawing which shows the example of a change of the printed matter manufactured by the manufacturing method which concerns on this invention. 本発明に係る製造方法により製造された印刷物の他の変更例を示す概略断面図である。It is a schematic sectional drawing which shows the other modified example of the printed matter manufactured by the manufacturing method which concerns on this invention. 本発明に係る製造方法により製造された印刷物の他の変更例を示す概略断面図である。It is a schematic sectional drawing which shows the other modified example of the printed matter manufactured by the manufacturing method which concerns on this invention.

以下、本発明に係る凹凸模様を有する印刷物の製造方法について、図面を参照しながら詳細に説明する。なお、本発明は以下の実施形態に限定されるものではなく、特許請求の範囲を逸脱しない範囲内においてその構成を適宜変更できることはいうまでもない。   Hereinafter, the manufacturing method of the printed matter which has an uneven | corrugated pattern based on this invention is demonstrated in detail, referring drawings. In addition, this invention is not limited to the following embodiment, It cannot be overemphasized that the structure can be changed suitably in the range which does not deviate from a claim.

本発明に係る凹凸模様を有する印刷物の製造方法（以下、「本製造方法」という。）は、基材の表面上にハジキ層を設けるハジキ層形成工程と、このハジキ層の表面上に、複数の凸部が設けられた網点版を用いてニスを印刷して光沢層を設ける光沢層形成工程と、光沢層に紫外線を照射してニスをはじかせて硬化・凝集させてニス粒を形成して凹凸模様を形成する凹凸模様形成工程とを少なくとも具備し、この順番に各工程を処理する。これにより、図１に概略断面図で示されるような、表面に凹凸模様を有する印刷物１を得ることができる。すなわち、印刷物１は、基材２と、ハジキ層３と、光沢層４とを具備して構成される。なお、図２は紫外線が照射される前の印刷物１の概略断面図を示す。   The method for producing a printed matter having a concavo-convex pattern according to the present invention (hereinafter referred to as “the present production method”) includes a repelling layer forming step of providing a repelling layer on the surface of a substrate, and a plurality of repelling layers on the surface of the repelling layer. A glossy layer forming process in which a glossy layer is formed by printing a varnish using a halftone dot plate provided with a convex part, and a varnish particle is formed by irradiating the glossy layer with ultraviolet rays to cause varnish to cure and aggregate And a concavo-convex pattern forming step for forming a concavo-convex pattern, and each step is processed in this order. Thereby, the printed matter 1 which has an uneven | corrugated pattern on the surface as shown by a schematic sectional drawing in FIG. 1 can be obtained. That is, the printed material 1 includes a base material 2, a repelling layer 3, and a gloss layer 4. FIG. 2 is a schematic cross-sectional view of the printed material 1 before being irradiated with ultraviolet rays.

本製造方法に用いられる基材２は、パルプを主原料とするもの、例えば上質紙、アート紙、コート紙、片艶紙、含浸紙、板紙などや、ポリプロピレン（ＰＰ）、ポリエチレン（ＰＥ）等の公知の種々のものを、使用用途やニーズ等に応じて１種又は２種以上を適宜選択して用いることができる。また、基材２には、図３に印刷物１Ａの概略断面図で示すように、適宜所望とする印刷を施して印刷層５を設けても良い。これらの中でも特に、銀ホイルやアルミ蒸着紙等の銀地の基材２であると、輝度感が増し、本製造方法により製造される印刷物１の美粧性が向上する。なお、吸収性の高い基材を使用する場合には、図４に印刷物１Ｂの概略断面図で示し、図５に印刷物１Ｃの概略断面図で示すように、ハジキ層３を均一に基材２に形成できるように、目止め層６を設けても良い。   The base material 2 used in the present production method is mainly made of pulp, such as fine paper, art paper, coated paper, glossy paper, impregnated paper, paperboard, polypropylene (PP), polyethylene (PE), etc. These known various materials can be used by appropriately selecting one or two or more of them according to the intended use or needs. Further, as shown in the schematic cross-sectional view of the printed material 1A in FIG. 3, the substrate 2 may be provided with a printing layer 5 by appropriately performing desired printing. Among these, in particular, the silver base material 2 such as silver foil or aluminum vapor-deposited paper increases the brightness and improves the cosmetics of the printed material 1 produced by the present production method. In addition, when using a base material with high absorptivity, as shown in the schematic sectional view of the printed matter 1B in FIG. 4 and in the schematic sectional view of the printed matter 1C in FIG. The sealing layer 6 may be provided so that it can be formed.

本製造方法では、まず、ハジキ層形成工程で、上記基材２の表面上に、撥液性を有するニスを塗布してハジキ層３を形成する。このような撥液性を有するニスとしては、例えばＤＩＣ株式会社製のセプターＤＴ ＯＰニス、Ｔ＆Ｋ ＴＯＫＡ製ＵＶ−ＨＪＫ下刷りニスＯＮ−ＤＲＹ用Ｄ等の種々のものを用いることができる。これにより、基材２の表面の濡れ性が低くなるため、ハジキ層３の表面上に形成される後述する光沢層４のニスをより容易にハジかせて硬化・凝集させて、凹凸模様を形成することができる。   In this manufacturing method, first, in a repelling layer forming step, a repellent layer 3 is formed by applying a varnish having liquid repellency on the surface of the substrate 2. As such varnish having liquid repellency, various types such as Scepter DTOP varnish manufactured by DIC Corporation, UV-HJK underprint varnish ON-DRY D manufactured by T & K TOKA, and the like can be used. As a result, the wettability of the surface of the base material 2 is lowered, so that the varnish of the gloss layer 4 to be described later formed on the surface of the repellent layer 3 is more easily repelled and cured / aggregated to form an uneven pattern. can do.

また、撥液性を有するニスの塗工量は０．３〜２ｇ／ｍ２が好ましい。これにより、本製造方法により製造される印刷物１の表面の凹凸模様が、カスレたり、潰れたりすることなく、所望の位置に形成され、所望とする模様を再現することができる。なお、ハジキ層３を形成する撥液性を有するニスの塗工量が０．３ｇ／ｍ２未満であると、後述する凹凸模様形成工程で、光沢層４のハジキ現象を生じさせることができず、光沢層４のニスをはじかせて硬化・凝集させてニス粒７を形成することができず、印刷物１の表面に凹凸模様を形成することができないおそれがある。一方、塗工量が２ｇ／ｍ２を超えると、乾燥に時間がかかるため、乾燥不良となり、ハジキ現象を生じさせるに必要なシリコンが十分浮き出ない。 Moreover, the coating amount of the varnish having liquid repellency is preferably 0.3 to 2 g / m 2 . Thereby, the uneven | corrugated pattern of the surface of the printed matter 1 manufactured by this manufacturing method is formed in a desired position, without being blurred or crushed, and the desired pattern can be reproduced. If the coating amount of the liquid-repellent varnish for forming the repellent layer 3 is less than 0.3 g / m 2, the repellent phenomenon of the glossy layer 4 can be caused in the concavo-convex pattern forming step described later. In other words, the varnish of the gloss layer 4 is repelled and cured / aggregated to form the varnish particles 7, and the concavo-convex pattern may not be formed on the surface of the printed matter 1. On the other hand, if the coating amount exceeds 2 g / m 2 , it takes time to dry, resulting in poor drying, and silicon necessary for causing the cissing phenomenon does not sufficiently emerge.

ハジキ層形成工程を経て基材２の表面上にハジキ層３を形成した後、光沢層形成工程で、ハジキ層３の表面上に網点版を用いてニスを印刷して光沢層４を形成する。このように網点版（凸版）を用いてニスを印刷することにより、光沢層４が網点状に形成される。これにより、後述の凹凸模様形成工程でニスがハジかれて硬化・凝集されてニス粒７が形成される位置を特定することができるので、本製造方法により製造された印刷物１は、所望とする位置に均一に凹凸を形成することができる。なお、網点版の網点を絵柄や図形等の所望の模様に設けることにより、本製造方法により製造された印刷物１に、所望とする模様を再現することができ、美粧性及び意匠性を向上させることもできるようになる。   After forming the repellent layer 3 on the surface of the base material 2 through the repellent layer forming step, the glossy layer forming step forms the glossy layer 4 by printing varnish on the surface of the repellent layer 3 using a halftone plate. To do. Thus, the gloss layer 4 is formed in a halftone dot shape by printing the varnish using the halftone dot plate (letter plate). Thereby, since the position where the varnish is removed and cured / aggregated and the varnish particles 7 are formed can be specified in the concavo-convex pattern forming process described later, the printed matter 1 manufactured by this manufacturing method is desired. Unevenness can be formed uniformly at the position. In addition, by providing the halftone dot of the halftone dot pattern in a desired pattern such as a pattern or a figure, the desired pattern can be reproduced on the printed matter 1 produced by this production method, and the cosmetics and design properties are improved. It can also be improved.

また、本製造方法に用いられる網点版は、網点率が５〜７５％であることが好ましく、より好ましくは網点率が１０〜５０％の網点版である。これにより、後述する凹凸模様形成工程でニスがはじかれて硬化・凝集されて形成されるニス粒７を、より均一なものとすることができ、所望とする位置により容易に形成することができる。なお、網点版の網点率が５％未満であると、本願の所望とする光沢層４の塗工量を塗布しようとすると、一つの網点（網点版の一つの凸部）で塗布される塗工量が多くなる。すなわち、光沢層４の厚さが厚くなるため、乾燥に時間がかかり、凹凸模様形成工程で所望とするニス粒７を形成することが難しくなる。さらに、形成されたニス粒７の耐摩擦性も低下するため、搬送時や、凹凸模様を有する印刷物１が使用されたものの輸送時などに、ニス粒７が脱落してしまう。一方、網点版の網点率が７５％を超えると、網点版に形成されている隣接する凸部の間隔が短くなる。このため、光沢層４を形成する隣接するニスの間隔ｄも短くなり、ニスの塗布量が多くなったり、後述する凹凸模様形成層で紫外線を照射して硬化されるまでのコンベヤーの振動等により、隣接するニス部がくっついてしまうおそれがある。このため、所望とする位置にニス粒７を形成することができなくなったり、均一なニス粒７を形成することが難しくなる。   Moreover, it is preferable that the halftone dot ratio used for this manufacturing method is 5-75%, More preferably, it is a halftone dot version with a halftone dot ratio of 10-50%. As a result, the varnish particles 7 formed by varnish being repelled and cured / aggregated in the concavo-convex pattern forming step described later can be made more uniform, and can be easily formed at a desired position. . When the halftone dot ratio of the halftone plate is less than 5%, one halftone dot (one convex part of the halftone plate) is used when applying the desired coating amount of the glossy layer 4 of the present application. The amount of coating applied increases. That is, since the gloss layer 4 is thick, drying takes time, and it is difficult to form the desired varnish grains 7 in the concavo-convex pattern forming step. Furthermore, since the friction resistance of the formed varnish particles 7 is also reduced, the varnish particles 7 fall off during transportation or transportation of the printed matter 1 having an uneven pattern. On the other hand, when the halftone dot ratio of the halftone dot plate exceeds 75%, the interval between adjacent convex portions formed on the halftone dot plate is shortened. For this reason, the distance d between adjacent varnishes forming the gloss layer 4 is also shortened, and the coating amount of the varnish increases, or vibration of the conveyor until the concavo-convex pattern forming layer described later is cured by irradiating with ultraviolet rays. , Adjacent varnish parts may stick together. For this reason, it becomes impossible to form the varnish grain 7 at a desired position, or it becomes difficult to form the uniform varnish grain 7.

また、本製造方法により製造される印刷物１の表面粗さは、網点版の網点率が５％のとき１〜５μm、１０％のとき２〜１０μｍ、３５％のとき５〜２０μm、５０％のとき５〜２５μm、７５％のとき１０〜３０μmの範囲であることが好ましい。表面粗さが、このような範囲であると、大きさの均一なニス粒７を有し、またニス粒７が脱落せず、耐摩擦性に優れ、意匠性が高い印刷物１をより容易に得ることができるようになる。   Moreover, the surface roughness of the printed material 1 manufactured by this manufacturing method is 1-5 micrometers when the halftone dot ratio of a halftone plate is 5%, 2-10 micrometers when 10%, 5-20 micrometers when 35%, 50 % Is preferably in the range of 5 to 25 μm, and 75% in the range of 10 to 30 μm. When the surface roughness is in such a range, the varnish particles 7 having a uniform size are obtained, and the varnish particles 7 do not fall off, and the printed matter 1 having excellent friction resistance and high designability can be more easily obtained. Be able to get.

また、本製造方法に用いられる網点版は、１つの網点（凸部の頂部）の平面積が０．００５〜０．１ｍｍ２が好ましく、より好ましくは０．０１〜０．０５ｍｍ２である。これにより、後述する凹凸模様形成工程で、ニスがはじかれて硬化・凝集されて形成されるニス粒７を所望とする位置に均一により容易に形成するこができるようになる。なお、１つの凸部の頂部の平面積が０．００５ｍｍ２未満であると、一つの網点が小さくなりすぎるため、後述する塗工量を塗布しようとすると、光沢層４の厚みが厚くなる。従って、乾燥が不十分になり、後述する凹凸模様形成工程でニスをハジいて硬化・凝集されて形成されるニス粒７を均一なものとすることが難しくなるとともに、製造された印刷物１の耐摩擦性が低下する。一方、０．１ｍｍ２を超えると、一つの網点が大きくなりすぎるため、光沢層４を形成する１つの網点で塗布されたニス部分から２つのニス粒７が形成されてしまう等、所望とする位置に均一なニス粒７を形成することが難しくなる。 Further, halftone plate for use in the present manufacturing method, the flat area of one dot (the top of the convex portion) is preferably 0.005～0.1Mm 2, more preferably 0.01～0.05Mm 2 is there. This makes it possible to uniformly and easily form the varnish particles 7 formed by the varnish repelling, curing and agglomerating in a concavo-convex pattern forming step, which will be described later, at a desired position. Note that the plane area of the top of the one convex portion is less than 0.005 mm 2, since one halftone dot is too small, an attempt to apply the coating weight described later, the thickness of the gloss layer 4 is increased . Accordingly, the drying becomes insufficient, and it becomes difficult to make the varnish grains 7 formed by curing and agglomerating the varnish in a concavo-convex pattern forming step, which will be described later, and making the printed matter 1 produced resistant to damage. Friction is reduced. On the other hand, if it exceeds 0.1 mm 2 , one halftone dot becomes too large, so that two varnish grains 7 are formed from the varnish portion applied by one halftone dot forming the gloss layer 4. It becomes difficult to form uniform varnish grains 7 at the positions.

また、光沢層４を形成するニスとしては、光沢層４がハジキ層３の表面上に形成された場合にハジキ現象を生じるものであれば、紫外線硬化型ニス、電子線硬化型ニス等の公知の種々のものを使用することができる。これらの中でも特に紫外線硬化型ニスを用いると、網点版を用いた場合に優れた印刷適性を有する点で好適である。   Further, as the varnish for forming the gloss layer 4, there are known UV varnishes, electron beam curable varnishes and the like as long as they generate a repellency phenomenon when the gloss layer 4 is formed on the surface of the repellency layer 3. A variety of these can be used. Among these, an ultraviolet curable varnish is particularly preferable because it has excellent printability when a halftone plate is used.

さらに、光沢層４を形成するニスとして、粘度が５００ｃｐｓ以上のものが用いられると、所望とする位置に、均一な大きさのニス粒７をより容易に形成することができる。すなわち、粘度が５００ｃｐｓ未満のニスで光沢層４を形成すると、ニスの粘度が低すぎるため、ニスを網点状に塗布しても、紫外線等を硬化してニス粒７を形成する前にニスが広がってしまい、隣接するニス同士がくっついてしまう等の問題が発生する。このため、所望とする位置に、均一な大きさのニス粒７を形成することが難しくなる。   Furthermore, when a varnish having a viscosity of 500 cps or more is used as the varnish for forming the gloss layer 4, varnish particles 7 having a uniform size can be more easily formed at a desired position. That is, if the gloss layer 4 is formed with a varnish having a viscosity of less than 500 cps, the viscosity of the varnish is too low. Therefore, even if the varnish is applied in a dot pattern, the varnish is formed before the varnish particles 7 are cured by curing ultraviolet rays or the like. Will spread and the adjacent varnishes will stick together. For this reason, it becomes difficult to form the varnish grains 7 having a uniform size at a desired position.

また、光沢層４を形成するニスの塗工量は１〜５ｇ／ｍ２が好ましい。光沢層４のニスの塗工量が１ｇ／ｍ２未満であると、ニスが少なすぎるため、後の凹凸模様形成工程でニスをハジいて硬化・凝集されて形成されるニス粒７が均一なものとならず、部分的にカスレが発生するおそれがある。一方、塗工量が５ｇ／ｍ２を超えると、塗工量が多すぎるため、光沢層４の厚さが厚くなり、凹凸模様形成工程で均一なニス粒７を形成することができないとともに、乾燥に時間がかかるため乾燥不良で、耐摩擦性が低下し、形成したニス粒７が脱落しまう場合がある。 Moreover, the coating amount of the varnish which forms the gloss layer 4 is preferably 1 to 5 g / m 2 . When the coating amount of the varnish of the glossy layer 4 is less than 1 g / m 2 , the varnish is too small, so that the varnish particles 7 formed by curing and agglomerating the varnish in the subsequent concavo-convex pattern forming step are uniform. There is a risk that blurring may occur partially. On the other hand, when the coating amount exceeds 5 g / m 2 , since the coating amount is too large, the thickness of the gloss layer 4 is increased, and the uniform varnish particles 7 cannot be formed in the uneven pattern forming process. Since drying takes time, the drying is poor, the friction resistance is lowered, and the formed varnish particles 7 may fall off.

上述したように光沢層形成工程で網点版を用いて光沢層４を形成した後、凹凸模様形成工程で紫外線を照射する。これにより、光沢層４のニスが、ハジキ層３によりハジかれて硬化・凝集してハジキ層３の表面上にニス粒７が形成される。なお、公知の紫外線照射装置（水銀ランプ、紫外線ランプ、白熱灯、ハロゲンランプ等）を用いて、それらを照射することにより光沢層４のニスを硬化・凝集させてハジキ現象を生じさせてニス粒７を形成することが可能である。また、光沢層４を形成するニスとして、電子線硬化型のものを用いた場合には、公知の種々の電子線、放射線等を照射可能な装置を用いて、それらを照射することにより、光沢層４のニスを硬化させてハジキ現象を生じさせてニス粒７を形成することが可能である。   As described above, after forming the gloss layer 4 using the halftone dot plate in the gloss layer forming step, ultraviolet rays are irradiated in the concave / convex pattern forming step. As a result, the varnish of the gloss layer 4 is peeled off by the repelling layer 3 and cured / aggregated to form varnish particles 7 on the surface of the repelling layer 3. In addition, using a known ultraviolet irradiation device (mercury lamp, ultraviolet lamp, incandescent lamp, halogen lamp, etc.) and irradiating them, the varnish of the gloss layer 4 is cured and aggregated to cause a repellency phenomenon to produce varnish particles. 7 can be formed. Further, when an electron beam curable varnish is used as the varnish for forming the gloss layer 4, the gloss is obtained by irradiating them using a known device capable of irradiating various electron beams, radiations, and the like. The varnish 7 can be formed by curing the varnish of the layer 4 to cause a cissing phenomenon.

上述した本発明の製造方法を採用することにより、複数の凸部が設けられた網点版を用いて、ハジキ層３の表面にニスを網点状に印刷すると同時に、光沢層４のニスをハジキ層３のハジキ現象によりハジかせて硬化・凝集させ、所望の大きさの均一なニス粒７を形成し、ニス粒７が脱落せず、耐摩擦性に優れ、また、高い美匠性を有する印刷物１とすることが可能となる。   By adopting the above-described production method of the present invention, a varnish is printed on the surface of the repellent layer 3 in the form of a halftone dot using a halftone dot plate provided with a plurality of convex portions, and at the same time the varnish of the glossy layer 4 is formed. Due to the repellency phenomenon of the repellency layer 3, it is cured and agglomerated to form a uniform varnish particle 7 of a desired size, the varnish particle 7 does not fall off, has excellent friction resistance, and has high aesthetics. It becomes possible to make it the printed matter 1 which has.

以上に詳述したように、基材２の表面上にシリコンが含有された塗工液を０．３〜２ｇ／ｍ２塗布してハジキ層３を設けるハジキ層形成工程と、ハジキ層３の表面上に、複数の凸部が設けられた網点率が５〜７５％である網点版を用いてニスを網点状に１〜５ｇ／ｍ２印刷（塗布）して光沢層４を設ける光沢層形成工程と、光沢層４に紫外線を照射してニスをはじかせて硬化・凝集させて凹凸模様を形成する凹凸模様形成工程とを少なくとも具備し、前記各工程をこの順番に処理することにより、均一で、かつ所望とする位置にニス粒７を形成することができ、基材２にエンボス加工を施さなくても凹凸模様を有する印刷物１を製造できる。 As described in detail above, a repelling layer forming step of providing a repelling layer 3 by applying 0.3 to 2 g / m 2 of a coating solution containing silicon on the surface of the base material 2, The gloss layer 4 is formed by printing (applying) 1 to 5 g / m 2 of varnish in a halftone dot pattern using a halftone dot plate having a halftone dot ratio of 5 to 75% provided with a plurality of convex portions. A gloss layer forming step to be provided; and a concavo-convex pattern forming step of forming a concavo-convex pattern by irradiating the gloss layer 4 with ultraviolet rays to cause varnish to be cured and agglomerated to form a concavo-convex pattern, and processing each of the steps in this order. As a result, the varnish particles 7 can be formed in a uniform and desired position, and the printed matter 1 having a concavo-convex pattern can be produced without embossing the substrate 2.

また、上述した本製造方法により製造された凹凸模様を有する印刷物１は、所望の大きさの均一なニス粒を形成することができるので、ニス粒が脱落せず、耐摩擦性に優れることに加え、高い美匠性を有する。   Moreover, since the printed matter 1 having the concavo-convex pattern manufactured by the above-described manufacturing method can form uniform varnish particles having a desired size, the varnish particles do not fall off and are excellent in friction resistance. In addition, it has high aesthetics.

以下、本発明に係る凹凸模様を有する印刷物の製造方法の効果を確認するため、以下のような各種の試料を作製し、これらの各試料に対する品質を評価する試験を行った。なお、本実施例において、配合、濃度等を示す数値は、固形分又は有効成分の重量基準の数値である。また、本実施例で示す基材、薬品等は一例にすぎず、本発明はこれらの実施例によって制限を受けるものではなく、適宜選択可能であることはいうまでもない。   Hereinafter, in order to confirm the effect of the method for producing a printed matter having a concavo-convex pattern according to the present invention, the following various samples were prepared, and a test for evaluating the quality of each sample was performed. In addition, in a present Example, the numerical value which shows a mixing | blending, a density | concentration, etc. is a numerical value based on the weight of a solid content or an active ingredient. Moreover, the base material, chemical | medical agent, etc. which are shown in a present Example are only examples, and it cannot be overemphasized that this invention is not restrict | limited by these Examples, and can be selected suitably.

本発明に係る製造方法で製造された２５種類の凹凸模様を有する印刷物（これを「実施例１」ないし「実施例２５」とする。）と、これらの実施例１ないし実施例２５とを比較検討するために、凹凸模様を有する印刷物（これを「比較例１」とする）を、表１に示すような構成で作製した。   A printed matter having 25 kinds of concavo-convex patterns manufactured by the manufacturing method according to the present invention (referred to as “Example 1” to “Example 25”) and these Examples 1 to 25 are compared. In order to study, a printed matter having a concavo-convex pattern (hereinafter referred to as “Comparative Example 1”) was produced with a configuration as shown in Table 1.

Figure 2010240922
Figure 2010240922

＜実施例１＞
基材として、大王製紙株式会社製の、キャストコートタック原紙キャスト７３一般強粘ＳＢＧ８５Ｓを用い、ハジキ層形成工程で、この基材の表面上に塗工液を０．３ｇ／ｍ２塗布してハジキ層を形成した。なお、この塗工液としては、ＤＩＣ株式会社製のセプターＤＴＯＰニスＥＭを用いた。次に、光沢層形成工程で、ハジキ層の表面に、網点率が５％である網点版を用いて、ニスを３ｇ／ｍ２塗布して光沢層を形成した。なお、光沢層を形成するニスとして、粘度が５００ｃｐｓであるＤＩＣ株式会社製のダイキュアクリアＵＶ１６を用いた。そして、凹凸模様形成工程で紫外線を照射させて光沢層のニスをハジかせて硬化・凝集させて凸部を形成し、凹凸模様を有する印刷物（実施例１）を作製した。 <Example 1>
As the base material, cast coat tack base paper cast 73 general strong viscosity SBG85S manufactured by Daio Paper Co., Ltd. was used. In the repellency layer forming step, the coating liquid was applied to the surface of this base material at 0.3 g / m 2. A repellent layer was formed. In addition, as this coating solution, Scepter DTOP varnish EM manufactured by DIC Corporation was used. Next, in the glossy layer forming step, a glossy layer was formed by applying 3 g / m 2 of varnish to the surface of the repellent layer using a halftone dot plate having a halftone dot ratio of 5%. As a varnish for forming the gloss layer, Dicure Clear UV16 manufactured by DIC Corporation having a viscosity of 500 cps was used. And the ultraviolet-ray was irradiated by the uneven | corrugated pattern formation process, the varnish of the glossy layer was removed, and it hardened and aggregated, the convex part was formed, and the printed matter (Example 1) which has an uneven | corrugated pattern was produced.

＜実施例２〜２５、及び比較例１＞
表１に示す条件以外は、実施例１と同様にして得た凹凸模様を有する印刷物である。なお、実施例２５は、光沢層を形成するニスとして、東亞合成株式会社製のアロニックスＭ−１０１Ａを使用し、粘度の調整を行ったものを使用した。 <Examples 2 to 25 and Comparative Example 1>
A printed matter having a concavo-convex pattern obtained in the same manner as in Example 1 except for the conditions shown in Table 1. In Example 25, Aronix M-101A manufactured by Toagosei Co., Ltd. was used as the varnish for forming the gloss layer, and the viscosity was adjusted.

これらの全実施例及び比較例について品質評価を行った結果は表１に示すとおりであった。なお、これらの評価試験はＪＩＳ−Ｐ８１１１に準拠して温度２３±１℃、湿度５０±２％の環境条件の下で行った。   Table 1 shows the results of quality evaluation for all of these Examples and Comparative Examples. These evaluation tests were conducted under environmental conditions of a temperature of 23 ± 1 ° C. and a humidity of 50 ± 2% in accordance with JIS-P8111.

表１中の「表面粗さ」とは、各試料である凹凸模様を有する印刷物の光沢層により形成されたニス粒の平均的な凹凸であり、小坂研究所製表面粗さ測定器「サーフコーダ ＳＥ−３０Ｈ」、粗さ解析装置「サーフコーダ ＡＹ−４１」により中心線平均粗さＲａを測定した値である。   “Surface roughness” in Table 1 is the average unevenness of the varnish grains formed by the glossy layer of the printed material having the uneven pattern as each sample. This is a value obtained by measuring the center line average roughness Ra by “SE-30H” and a roughness analyzer “Surfcoder AY-41”.

「均一性」とは、各試料である凹凸模様を有する印刷物に形成されたニス粒が均一に形成されているか否かを評価したものである。その評価方法は、試料を１０ｃｍ四方の大きさに裁断したサンプルを５枚用意し、拡大鏡を使用して各サンプルが同一に見えるか否かを２０名が目視にて評価したもので、その評価基準は下記の通りとした。
◎：全員がほぼ同一に見えると評価した。
○：２〜３人を除き、ほぼ同一に見えると評価した。
×：ほぼ同一に見えると評価した人が１０人以下だった。 “Uniformity” is an evaluation of whether or not the varnish particles formed on the printed material having the concavo-convex pattern as each sample are formed uniformly. In the evaluation method, five samples obtained by cutting the sample into a size of 10 cm square were prepared, and 20 people visually evaluated whether or not each sample looked the same using a magnifying glass. The evaluation criteria were as follows.
A: Evaluated that everyone looks almost the same.
○: Except for 2 to 3 people, it was evaluated that they look almost the same.
X: Less than 10 people evaluated that they look almost the same.

また、「耐摩擦性」とは、各試料に形成されたニス粒が脱落しないか否かを評価したものである。その評価方法は、各試料を３０ｍｍ×３００ｍｍの大きさに裁断してサンプルを２枚作成し、各サンプルの凹凸模様が形成された面同士をＪＩＳＰ８１３６に記載の方法に従い１００回擦り合わせた後に、試料であるサンプルの表面のニス粒の脱落を、拡大鏡を使用して評価したものであり、その評価基準は下記の通りとした。
◎：ニス粒の脱落がない。
○：ニス粒がわずかに脱落したが、見栄えは損なわれず、実用上問題ない。
×：ニス粒の脱落が多く、見栄えが悪い。 Further, “friction resistance” is an evaluation of whether or not varnish grains formed on each sample do not fall off. In the evaluation method, each sample was cut into a size of 30 mm × 300 mm to prepare two samples, and after the surfaces on which the concavo-convex pattern of each sample was formed were rubbed 100 times according to the method described in JISP8136, The drop of the varnish particles on the surface of the sample as a sample was evaluated using a magnifying glass, and the evaluation criteria were as follows.
(Double-circle): There is no omission of a varnish grain.
○: Slightly removed varnish particles, but the appearance is not impaired and there is no practical problem.
X: Many varnish grains fall off and the appearance is poor.

表１から、本発明に係る製造方法により製造された凹凸模様を有する印刷物、すなわち実施例１〜実施例２５に係る印刷物であると、網点版により網点状に塗布された光沢層のニスがハジかれて硬化・凝集されて形成されるニス粒を均一に、かつ所望とする位置に形成することができることが分かる。

From Table 1, the glossy layer varnish applied in a halftone dot pattern with a halftone dot plate as a printed matter having a concavo-convex pattern produced by the production method according to the present invention, that is, a printed matter according to Examples 1 to 25. It can be seen that the varnish grains formed by being cured and agglomerated can be uniformly formed at desired positions.

１，１Ａ，１Ｂ，１Ｃ 凹凸模様を有する印刷物
２ 基材
３ ハジキ層
４ 光沢層
５ 印刷層
６ 目止め層
７ ニス粒
1, 1A, 1B, 1C Printed matter having uneven pattern 2 Base material 3 Repel layer 4 Gloss layer 5 Print layer 6 Sealing layer 7 Varnish grain

Claims (3)

基材の表面上にハジキ層を設けるハジキ層形成工程と、
該ハジキ層の表面上に、複数の凸部が設けられた網点版を用いてニスを網点状に印刷して光沢層を設ける光沢層形成工程と、
前記光沢層に紫外線を照射して前記ニスを硬化させてニス粒を形成し凹凸模様を形成する凹凸模様形成工程とを少なくとも具備し、
前記各工程は、この順番に処理されることを特徴とする凹凸模様を有する印刷物の製造方法。 A repellent layer forming step of providing a repellent layer on the surface of the substrate;
A gloss layer forming step of providing a gloss layer by printing a varnish in a halftone dot pattern using a halftone dot plate provided with a plurality of convex portions on the surface of the repellent layer;
Irradiating the glossy layer with ultraviolet rays to cure the varnish to form a concavo-convex pattern by forming varnish grains and forming a concavo-convex pattern, at least,
Each process is processed in this order, The manufacturing method of the printed matter which has an uneven | corrugated pattern characterized by the above-mentioned. 前記網点版は、網点率が５〜７５％であることを特徴とする請求項１に記載の凹凸模様を有する印刷物の製造方法。   The method for producing a printed matter having a concavo-convex pattern according to claim 1, wherein the halftone dot plate has a halftone dot ratio of 5 to 75%. 前記ハジキ層は、シリコンが含有された塗工液を０．３〜２ｇ／ｍ２塗布して形成され、また、前記光沢層は、前記ニスを１〜５ｇ／ｍ２塗布して形成されていることを特徴とする請求項１または請求項２に記載の凹凸模様を有する印刷物の製造方法。 The repellency layer is formed by applying a coating solution containing silicon in an amount of 0.3 to 2 g / m 2 , and the gloss layer is formed by applying the varnish in an amount of 1 to 5 g / m 2. The method for producing a printed matter having a concavo-convex pattern according to claim 1 or 2.
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JP2015180711A (en) * 2014-03-06 2015-10-15 Ｄｉｃグラフィックス株式会社 Ink composition and laminated coating film
WO2017095067A1 (en) * 2015-11-30 2017-06-08 주식회사 포스코 Surface-treated metallic material with easy control of glossiness and manufacturing method therefor
JP2018100462A (en) * 2016-12-20 2018-06-28 凸版印刷株式会社 Cold insulating liner

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JPH07178855A (en) * 1993-12-21 1995-07-18 Kanbou Sofutetsuku Kk Anti-slip sheet material of production thereof
JP2004114654A (en) * 2002-09-30 2004-04-15 Toppan Printing Co Ltd Printed matter and packaging material using it
JP2007283594A (en) * 2006-04-14 2007-11-01 Daio Paper Corp Printed matter having irregularity on surface
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Publication number Priority date Publication date Assignee Title
JP2015180711A (en) * 2014-03-06 2015-10-15 Ｄｉｃグラフィックス株式会社 Ink composition and laminated coating film
WO2017095067A1 (en) * 2015-11-30 2017-06-08 주식회사 포스코 Surface-treated metallic material with easy control of glossiness and manufacturing method therefor
KR101819290B1 (en) * 2015-11-30 2018-01-17 주식회사 포스코 Surface treated metal sheet for easily adjusting its glossiness and method of producing the same
US11383268B2 (en) 2015-11-30 2022-07-12 Posco Surface-treated metallic material with easy control of glossiness and manufacturing method therefor
JP2018100462A (en) * 2016-12-20 2018-06-28 凸版印刷株式会社 Cold insulating liner

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