JP6013131B2 - Printed matter with concealing layer and method for producing - Google Patents
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- JP6013131B2 JP6013131B2 JP2012231989A JP2012231989A JP6013131B2 JP 6013131 B2 JP6013131 B2 JP 6013131B2 JP 2012231989 A JP2012231989 A JP 2012231989A JP 2012231989 A JP2012231989 A JP 2012231989A JP 6013131 B2 JP6013131 B2 JP 6013131B2
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- 238000004519 manufacturing process Methods 0.000 title description 5
- 239000002966 varnish Substances 0.000 claims description 16
- 238000007639 printing Methods 0.000 claims description 13
- 238000009736 wetting Methods 0.000 claims description 9
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 claims description 8
- 238000007645 offset printing Methods 0.000 claims description 8
- 239000003999 initiator Substances 0.000 claims description 6
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 235000015112 vegetable and seed oil Nutrition 0.000 claims description 4
- 239000008158 vegetable oil Substances 0.000 claims description 4
- 230000000873 masking effect Effects 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 116
- 239000000976 ink Substances 0.000 description 51
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 7
- 239000004744 fabric Substances 0.000 description 7
- 229910052709 silver Inorganic materials 0.000 description 7
- 239000004332 silver Substances 0.000 description 7
- 239000002390 adhesive tape Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 235000021388 linseed oil Nutrition 0.000 description 2
- 239000000944 linseed oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000007646 gravure printing Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
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- Credit Cards Or The Like (AREA)
Description
本発明は、隠蔽層付き印刷物、及びその製造方法に関する。 The present invention relates to a printed matter with a concealing layer and a method for producing the same.
従来からインスタント抽選券やゲーム用のカードにおいて、一般的にスクラッチ印刷物と称される隠蔽層付き印刷物が広く利用されている(特許文献1参照)。 Conventionally, printed materials with a concealing layer generally referred to as scratch printed materials have been widely used in instant lottery tickets and game cards (see Patent Document 1).
特許文献1に示すスクラッチ印刷物は、紙上にオフセット印刷により当落などを文字で表わした隠蔽情報を表示するインキ層と、このインキ層を覆うようにして設けられる剥離ニス層と、この剥離ニス層上に設けられる隠蔽用顔料を含有する隠蔽層と、を備えて構成されており、コインや爪、又は接着テープにより隠蔽層を剥離することで隠蔽情報を表出させるものである。 The scratch printed matter shown in Patent Document 1 includes an ink layer that displays concealment information that represents hitting or the like by characters by offset printing on paper, a release varnish layer that is provided so as to cover the ink layer, and the release varnish layer And a concealing layer containing a concealing pigment provided on the surface, and the concealing information is exposed by peeling the concealing layer with coins, nails or adhesive tape.
この種のスクラッチ印刷物は、本や雑誌に綴じ込まれて付録として適用される場合、書店に当該雑誌が置かれた際に隠蔽層を簡単に剥離可能なため、爪やコインでの単なる引っ掻き程度では剥離できないものとしたいという出版社からの要望がある。 When this type of scratch printed material is bound to a book or magazine and applied as an appendix, the cover layer can be easily peeled off when the magazine is placed in a bookstore, so that it is not possible to scratch with a nail or coin. There is a request from publishers who want to make it impossible to peel.
また、爪やコインでの擦れによる剥離では、けずりカスが発生し、周囲を汚染するという不具合がある。 In addition, peeling due to rubbing with a nail or a coin has a problem that scraps are generated and the surroundings are contaminated.
そこで、本発明は、上記問題点に鑑みてなされたものであり、その目的の一例は、隠蔽層における剥離性の改善を図った隠蔽層付き印刷物等を提供することである。 Therefore, the present invention has been made in view of the above problems, and an example of the object thereof is to provide a printed matter with a concealing layer and the like that improve the peelability of the concealing layer.
上記課題を解決するために、請求項1に記載の隠蔽層付き印刷物(1)は、下地(2)に隠蔽すべき情報を示す隠蔽情報(X)を印刷した隠蔽情報層(4)を設け、この隠蔽情報層の上層には、剥離成分を含有せず剥離効果を有する酸化重合型のOPニスを印刷した剥離層(5)を設け、この剥離層の上層には、紫外線硬化型の有色インキを印刷し前記隠蔽情報を隠蔽する隠蔽層(6)を設けた隠蔽層付き印刷物であって、前記紫外線硬化型の有色インキは、インキ組成物の総量中ウレタンアクリレートを30%以上含有し、且つ、光重合開始剤を10〜15%の範囲で含有し、前記剥離層の濡れ指数は、36dyne/cm以下であることを特徴とする。 In order to solve the above problem, the printed matter (1) with a concealment layer according to claim 1 is provided with a concealment information layer (4) on which concealment information (X) indicating information to be concealed is printed on the base (2). The upper layer of the concealed information layer is provided with a release layer (5) printed with an oxidation polymerization type OP varnish that does not contain a release component and has a release effect. A printed matter with a concealing layer provided with a concealing layer (6) for concealing the concealing information by printing ink, wherein the ultraviolet curable colored ink contains 30% or more of urethane acrylate in the total amount of the ink composition, And it contains the photoinitiator in 10 to 15% of range, The wetting index of the said peeling layer is 36 dyne / cm or less, It is characterized by the above-mentioned.
また、請求項2に記載の隠蔽層付き印刷物は、下地にOPニスを印刷した剥離層を設け、この剥離層の上層には、隠蔽すべき情報を示す隠蔽情報を白抜き印刷した紫外線硬化型の有色インキを印刷してなる隠蔽情報層(8a)を設け、この隠蔽情報層の上層には、紫外線硬化型の有色インキを印刷し前記隠蔽情報を隠蔽する隠蔽層(8b、8c)を設けた隠蔽層付き印刷物であって、前記隠蔽情報を白抜き印刷する紫外線硬化型の有色インキ(8a)は、インキ組成物の総量中ウレタンアクリレートを30%以上含有し、且つ、光重合開始剤を10〜15%の範囲で含有し、前記剥離層の濡れ指数は、36dyne/cm以下であることを特徴とする。 The printed matter with a concealing layer according to claim 2 is provided with a release layer in which OP varnish is printed on a base, and an ultraviolet curable type in which concealment information indicating information to be concealed is printed on the upper layer of the release layer. A concealment information layer (8a) is formed by printing the colored ink, and a concealment layer (8b, 8c) for concealing the concealment information is provided on the concealment information layer by printing ultraviolet curable color ink. The UV-cured colored ink (8a), which is a printed matter with a concealing layer and prints out the concealment information by white, contains 30% or more of urethane acrylate in the total amount of the ink composition, and contains a photopolymerization initiator. It is contained in the range of 10 to 15%, and the wetting index of the release layer is 36 dyne / cm or less .
また、請求項3に記載の隠蔽層付き印刷物は、請求項1、又は2に記載の隠蔽層付き印刷物において、隠蔽層(8b)は、インキ組成物である植物油由来成分をインキ中に5〜15%の範囲で含有することを特徴とする。 Moreover, the printed matter with a concealing layer according to claim 3 is the printed matter with a concealing layer according to claim 1 or 2 , wherein the concealing layer (8b) contains a vegetable oil-derived component as an ink composition in an amount of 5 to 5 in the ink. It is contained in the range of 15%.
また、請求項4に記載の隠蔽層付き印刷物の製造方法は、オフセット印刷により、隠蔽情報を印刷した下地の、隠蔽情報(隠蔽情報層)の上層にOPニスによる剥離層を印刷し、この剥離層の上層に紫外線硬化型の有色インキによる隠蔽層を印刷し、紫外線を照射することで当該有色インキを乾燥して硬化させるものであって、前記紫外線硬化型の有色インキは、インキ組成物の総量中ウレタンアクリレートを30%以上含有し、且つ、光重合開始剤を10〜15%の範囲で含有し、前記剥離層の濡れ指数は、36dyne/cm以下であることを特徴とする。 According to a fourth aspect of the present invention, there is provided a method for producing a printed matter with a concealing layer, printing a release layer using OP varnish on an upper layer of the concealment information (concealment information layer) of the base on which the concealment information is printed by offset printing. A masking layer made of ultraviolet curable colored ink is printed on the upper layer of the layer, and the colored ink is dried and cured by irradiating with ultraviolet rays, and the ultraviolet curable colored ink is formed of the ink composition. 30% or more of urethane acrylate is contained in the total amount, and a photopolymerization initiator is contained in the range of 10 to 15%, and the wetting index of the release layer is 36 dyne / cm or less .
本発明における隠蔽層付き印刷物等によれば、隠蔽層が爪やコインでは剥離せずに、接着テープにて良好に剥離可能である。 According to the printed matter with a concealing layer in the present invention, the concealing layer can be satisfactorily peeled off with an adhesive tape without peeling off with a nail or coin.
以下、図面を参照して本発明の実施形態について説明する。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
本実施形態の隠蔽層付き印刷物1は、図1及び図2に示すように、下地となる原反2に文字や絵柄等の隠蔽すべき情報(以下、「隠蔽情報X」と称する。)を表示する隠蔽情報層4と、この隠蔽情報層4の上部に、すわなち、隠蔽情報Xが表示された面に配置される剥離層5と、この剥離層5の上部に設けられる隠蔽用顔料を含有する隠蔽層6と、を備えて構成されている。 As shown in FIGS. 1 and 2, the printed matter 1 with the concealment layer of the present embodiment has information (hereinafter referred to as “concealment information X”) that should be concealed such as characters and patterns on the original fabric 2 as a base. The concealment information layer 4 to be displayed, the release layer 5 disposed on the surface where the concealment information X is displayed on the upper part of the concealment information layer 4, and the concealment pigment provided on the upper part of the release layer 5 And a concealing layer 6 containing
原反2は、例えば、コート紙等が用いられ、隠蔽情報層4はオフセット印刷により、隠蔽情報Xとしての、例えば、くじの当落や等級等を示す文字、数字、あるいはそれらに該当する絵柄等の情報が印刷される。 For example, coated paper or the like is used for the original fabric 2, and the concealment information layer 4 is, for example, letters or numbers indicating the winning or grade of the lottery as the concealment information X by offset printing, or a pattern corresponding to them. Information is printed.
剥離層5は、オフセット印刷により印刷されるものであって、剥離成分を含有せず剥離効果を有する酸化重合型のOP(Over Print)ニスと称される、通常は主として表面保護を目的として使用されるものが用いられ、特にその濡れ指数が36dyne/cm以下とし、好適な範囲としては34〜36dyne/cmに設定される。 The release layer 5 is printed by offset printing and is called an oxidation polymerization type OP (Over Print) varnish that does not contain a release component and has a release effect, and is usually used mainly for the purpose of surface protection. In particular, the wetting index is set to 36 dyne / cm or less, and a preferable range is set to 34 to 36 dyne / cm.
このように本実施形態の隠蔽層付き印刷物1は、従来のように剥離ニスを使用して、ワックスやシリコーン等剥離成分の剥離作用にてはがれを発生させるのではなく、剥離層5の濡れ指数を設定し、若しくは隠蔽層6と樹脂の相溶性の悪いインキを剥離層5に選定することによる密着性の低減により、剥離を発生させる。 As described above, the printed matter 1 with the concealing layer of the present embodiment does not cause the peeling by the peeling action of the peeling component such as wax or silicone by using the peeling varnish as in the past, but the wetting index of the peeling layer 5. Or the adhesion is reduced by selecting an ink having poor compatibility between the concealing layer 6 and the resin as the release layer 5 to cause peeling.
隠蔽層6は、オフセット印刷により有色インキを用いて所定の色(銀色、墨色等)が印刷され、その下層の隠蔽情報Xを隠蔽するものであって、紫外線硬化型インキを用い、印刷後、紫外線を照射することによりインキを乾燥して硬化させたものである。 The concealing layer 6 is for printing a predetermined color (silver, black, etc.) using colored ink by offset printing, concealing the concealment information X in the lower layer, using ultraviolet curable ink, after printing, The ink is dried and cured by irradiating with ultraviolet rays.
このインキは、銀インキが好適に用いられる。また、当該銀インキは、インキ組成物の総量中ウレタンアクリレートを30%以上含有し、且つ、光重合開始剤を10〜15%含有している。 As this ink, silver ink is preferably used. Moreover, the said silver ink contains 30% or more of urethane acrylates in the total amount of an ink composition, and contains 10-15% of photoinitiators.
この隠蔽層6は、一層でも構わないが、より隠蔽効果を得るためには、複数層とすることが好ましい。 The concealing layer 6 may be a single layer, but in order to obtain a concealing effect, a plurality of layers are preferable.
隠蔽層6を複数層とする場合、好適には、銀インキを最下層と最上層に配置し、中間層を挟むサンドイッチ構造とすることが好ましく、この中間層は、インキ組成物である大豆油やアマニ油などの植物油由来成分をインキ組成物の総量中に5〜15%の範囲で含有する紫外線硬化型のインキを用いることが好ましい。この中間層に用いられるインキは、好適には墨色インキであるが他の色インキであっても構わない。また、中間層が直接、剥離層(OPニス)と接触した場合、剥離が発生しないため、中間層の印刷面積は上下の層の印刷面積よりも小さいサイズとする。なお、中間層にインキ組成物の総量中に植物油由来成分が5%未満であるインキを用いることも可能であるが、若干、剥離性が低下することが懸念される。 When the concealing layer 6 has a plurality of layers, it is preferable to have a sandwich structure in which silver ink is disposed in the lowermost layer and the uppermost layer and the intermediate layer is sandwiched between them. The intermediate layer is a soybean oil that is an ink composition. It is preferable to use an ultraviolet curable ink containing a component derived from vegetable oil such as linseed oil and linseed oil in a total amount of 5 to 15% in the total amount of the ink composition. The ink used for the intermediate layer is preferably black ink, but may be other color ink. Further, when the intermediate layer is in direct contact with the release layer (OP varnish), peeling does not occur. Therefore, the printing area of the intermediate layer is set to be smaller than the printing areas of the upper and lower layers. In addition, although it is also possible to use the ink whose vegetable oil origin component is less than 5% in the total amount of an ink composition for an intermediate | middle layer, we are anxious about peelability falling somewhat.
このように構成された隠蔽層付き印刷物1は、図3に示すように、接着テープ10にて隠蔽部を剥がすと、接着テープ10と接触する隠蔽部6aが剥離されるので、隠蔽情報Xが視認可能となる。 As shown in FIG. 3, in the printed matter 1 with the concealing layer configured as described above, when the concealing part is peeled off with the adhesive tape 10, the concealing part 6 a that comes into contact with the adhesive tape 10 is peeled off. Visible.
また、隠蔽層6は、紫外線硬化型インキを用いて強固な皮膜を形成し、また、剥離層5に剥離成分を含まないことで、接着テープで確実に引き剥がすことが可能である一方で、爪やコインでの単なる引っ掻き程度では剥離されないようにすることができる。 In addition, the masking layer 6 forms a strong film using an ultraviolet curable ink, and the release layer 5 does not contain a release component, so that it can be reliably peeled off with an adhesive tape, It is possible to prevent peeling by simply scratching with a nail or a coin.
このような隠蔽層付き印刷物1は、上述したようにオフセット印刷により、隠蔽情報Xを印刷した下地(原反2)の、隠蔽情報X(隠蔽情報層4)の上部に、すなわち、隠蔽情報Xが表示された面にOPニスによる剥離層5を印刷し、この剥離層5の上部に紫外線硬化型の有色インキによる隠蔽層6を印刷し、紫外線を照射することで当該有色インキを乾燥して硬化させて製造される。 The printed matter 1 with the concealment layer is formed on the upper part of the concealment information X (the concealment information layer 4) of the base (original fabric 2) on which the concealment information X is printed by offset printing as described above, that is, the concealment information X The release layer 5 made of OP varnish is printed on the surface on which the mark is displayed, the concealing layer 6 made of UV-curable color ink is printed on the release layer 5, and the colored ink is dried by irradiating ultraviolet rays. Manufactured by curing.
このような隠蔽層付き印刷物1の製造方法によれば、隠蔽情報層4、剥離層5、及び隠蔽層6が、それぞれ同一のオフセット印刷方式により印刷されるので、剥離層5及び隠蔽層6を、グラビア印刷やスクリーン印刷など、異なる印刷方式で印刷するのに比べて、生産性の向上や製造コストの低減を図れる。 According to such a manufacturing method of the printed matter 1 with the concealment layer, the concealment information layer 4, the release layer 5, and the concealment layer 6 are printed by the same offset printing method. Compared with printing by different printing methods such as gravure printing and screen printing, productivity can be improved and manufacturing cost can be reduced.
次に、隠蔽層付き印刷物の他の実施例について図4を用いて説明する。上記実施形態が、下地としての原反2に隠蔽情報Xを印刷するのに対して、本実施例の隠蔽層付き印刷物は、原反2に隠蔽情報Xを印刷せずに、複数の有色インキ層の最下層に隠蔽情報Xを逆版印刷し、その上層に隠蔽層を形成するものである。 Next, another embodiment of the printed matter with a concealing layer will be described with reference to FIG. While the above embodiment prints the concealment information X on the original fabric 2 as the base, the printed material with the concealment layer of the present embodiment does not print the concealment information X on the original fabric 2, and a plurality of colored inks. The concealment information X is reversely printed on the lowermost layer of the layer, and the concealment layer is formed on the upper layer.
本実施形態の隠蔽層付き印刷物1Aは、例えば、被隠蔽部が単色ネームや図形である場合において、原反2上にOPニスで構成される剥離層5と、この剥離層5上に設けられる有色インキ層8と、を備えて構成されている。 The printed matter 1 </ b> A with the concealing layer of the present embodiment is provided on the exfoliating layer 5 composed of OP varnish on the raw fabric 2 and the exfoliating layer 5, for example, when the concealed part is a monochromatic name or a figure. And a colored ink layer 8.
この有色インキ層8は、例えば、下インキ層8a、中間インキ層8b、上インキ層8cの3層で構成されている。下インキ層8aは、銀インキが印刷され、隠蔽情報Xが白抜きされており、中間インキ層8bは、隠蔽層として機能し、墨色インキが印刷されており、上インキ層8cは、銀インキが印刷されている。 The colored ink layer 8 is composed of, for example, three layers of a lower ink layer 8a, an intermediate ink layer 8b, and an upper ink layer 8c. The lower ink layer 8a is printed with silver ink, and the concealment information X is whitened. The intermediate ink layer 8b functions as a concealment layer and is printed with black ink. The upper ink layer 8c is formed with silver ink. Is printed.
この場合、接着テープにて隠蔽部を剥がすと、剥離層5であるOPニスと接触している下インキ層8aは剥離が生じ、OPニスと中間インキ層8bが接触している部分は剥離が生じないため、隠蔽層により隠蔽情報Xが形成される。 In this case, when the concealing part is peeled off with the adhesive tape, the lower ink layer 8a in contact with the OP varnish which is the release layer 5 is peeled off, and the part where the OP varnish and the intermediate ink layer 8b are in contact is peeled off. Since it does not occur, the concealment information X is formed by the concealment layer.
以上に説明したように、本実施形態の隠蔽層付き印刷物1は、隠蔽部をインキ組成物の総量中ウレタンアクリレートを30%以上含有し、且つ光重合開始剤を10〜15%含有する銀インキを用いることでコインや爪で削れないようにすることができる。 As described above, the printed matter 1 with the concealing layer of the present embodiment contains 30% or more of urethane acrylate in the total amount of the ink composition in the concealing portion and silver ink containing 10 to 15% of the photopolymerization initiator. By using, you can prevent it from being scraped with coins and nails.
また、剥離層5に剥離成分を含まないOPニスを用い、剥離層5の濡れ指数を36dyne/cm未満とすることで剥離を生じるようにしている。 Moreover, the OP varnish which does not contain a peeling component is used for the peeling layer 5, and peeling is caused by making the wetting index of the peeling layer 5 less than 36 dyne / cm.
なお、本発明は上記実施の形態に限定されるものではなく、本発明の要旨の範囲内で種々変更可能である。 In addition, this invention is not limited to the said embodiment, A various change is possible within the range of the summary of this invention.
1 隠蔽層付き印刷物
X 隠蔽情報
2 原反
4 隠蔽情報層
5 剥離層
6 隠蔽層
1 Printed matter with concealment layer X Concealment information 2 Original fabric 4 Concealment information layer 5 Peeling layer 6 Concealment layer
Claims (4)
前記紫外線硬化型の有色インキは、インキ組成物の総量中ウレタンアクリレートを30%以上含有し、且つ、光重合開始剤を10〜15%の範囲で含有し、
前記剥離層の濡れ指数は、36dyne/cm以下であることを特徴とする隠蔽層付き印刷物。 A concealment information layer on which concealment information indicating information to be concealed is printed is provided on the base, and a release layer on which OP varnish is printed is provided on the concealment information layer. A printed matter with a concealing layer provided with a concealing layer for printing colored ink and concealing the concealment information,
The ultraviolet curable colored ink contains 30% or more of urethane acrylate in the total amount of the ink composition, and contains a photopolymerization initiator in the range of 10 to 15%,
The printed matter with a concealing layer , wherein the release layer has a wetting index of 36 dyne / cm or less .
前記隠蔽情報を白抜き印刷する紫外線硬化型の有色インキは、インキ組成物の総量中ウレタンアクリレートを30%以上含有し、且つ、光重合開始剤を10〜15%の範囲で含有し、
前記剥離層の濡れ指数は、36dyne/cm以下であることを特徴とする隠蔽層付き印刷物。 A base layer is provided with a release layer printed with OP varnish, and an upper layer of the release layer is provided with a concealment information layer formed by printing a UV-curable color ink in which concealment information indicating information to be concealed is printed white. The upper layer of the concealment information layer is a printed matter with a concealment layer provided with a concealment layer for concealing the concealment information by printing an ultraviolet curable color ink.
The ultraviolet curable color ink that prints out the concealment information in white, contains 30% or more of urethane acrylate in the total amount of the ink composition, and contains a photopolymerization initiator in the range of 10 to 15%,
The printed matter with a concealing layer , wherein the release layer has a wetting index of 36 dyne / cm or less .
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