JP5087208B2 - Printing method and printed matter - Google Patents
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- JP5087208B2 JP5087208B2 JP2004312498A JP2004312498A JP5087208B2 JP 5087208 B2 JP5087208 B2 JP 5087208B2 JP 2004312498 A JP2004312498 A JP 2004312498A JP 2004312498 A JP2004312498 A JP 2004312498A JP 5087208 B2 JP5087208 B2 JP 5087208B2
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- 238000007639 printing Methods 0.000 title claims description 155
- 238000000034 method Methods 0.000 title claims description 15
- 239000003086 colorant Substances 0.000 claims description 82
- 239000007787 solid Substances 0.000 claims description 39
- 238000002834 transmittance Methods 0.000 claims description 23
- 239000001060 yellow colorant Substances 0.000 claims description 21
- 239000001062 red colorant Substances 0.000 claims description 19
- 239000000038 blue colorant Substances 0.000 claims description 16
- 239000000049 pigment Substances 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 9
- 239000011230 binding agent Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 239000000976 ink Substances 0.000 description 129
- 230000000052 comparative effect Effects 0.000 description 15
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 14
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 10
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 8
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 6
- 239000006229 carbon black Substances 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 4
- FWLHAQYOFMQTHQ-UHFFFAOYSA-N 2-N-[8-[[8-(4-aminoanilino)-10-phenylphenazin-10-ium-2-yl]amino]-10-phenylphenazin-10-ium-2-yl]-8-N,10-diphenylphenazin-10-ium-2,8-diamine hydroxy-oxido-dioxochromium Chemical compound O[Cr]([O-])(=O)=O.O[Cr]([O-])(=O)=O.O[Cr]([O-])(=O)=O.Nc1ccc(Nc2ccc3nc4ccc(Nc5ccc6nc7ccc(Nc8ccc9nc%10ccc(Nc%11ccccc%11)cc%10[n+](-c%10ccccc%10)c9c8)cc7[n+](-c7ccccc7)c6c5)cc4[n+](-c4ccccc4)c3c2)cc1 FWLHAQYOFMQTHQ-UHFFFAOYSA-N 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 239000000040 green colorant Substances 0.000 description 3
- UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 description 3
- UHOKSCJSTAHBSO-UHFFFAOYSA-N indanthrone blue Chemical compound C1=CC=C2C(=O)C3=CC=C4NC5=C6C(=O)C7=CC=CC=C7C(=O)C6=CC=C5NC4=C3C(=O)C2=C1 UHOKSCJSTAHBSO-UHFFFAOYSA-N 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 3
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 3
- 229920000767 polyaniline Polymers 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 description 2
- ZZSIDSMUTXFKNS-UHFFFAOYSA-N perylene red Chemical compound CC(C)C1=CC=CC(C(C)C)=C1N(C(=O)C=1C2=C3C4=C(OC=5C=CC=CC=5)C=1)C(=O)C2=CC(OC=1C=CC=CC=1)=C3C(C(OC=1C=CC=CC=1)=CC1=C2C(C(N(C=3C(=CC=CC=3C(C)C)C(C)C)C1=O)=O)=C1)=C2C4=C1OC1=CC=CC=C1 ZZSIDSMUTXFKNS-UHFFFAOYSA-N 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- CGLVZFOCZLHKOH-UHFFFAOYSA-N 8,18-dichloro-5,15-diethyl-5,15-dihydrodiindolo(3,2-b:3',2'-m)triphenodioxazine Chemical compound CCN1C2=CC=CC=C2C2=C1C=C1OC3=C(Cl)C4=NC(C=C5C6=CC=CC=C6N(C5=C5)CC)=C5OC4=C(Cl)C3=NC1=C2 CGLVZFOCZLHKOH-UHFFFAOYSA-N 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- QFFVPLLCYGOFPU-UHFFFAOYSA-N barium chromate Chemical compound [Ba+2].[O-][Cr]([O-])(=O)=O QFFVPLLCYGOFPU-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 238000007644 letterpress printing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
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- Inks, Pencil-Leads, Or Crayons (AREA)
Description
本発明は、印刷方法および印刷物に関する。
The present invention relates to a printing method and printed matter .
現在、世の中には様々な商品が販売流通しており、それぞれの商品には、独自性、アピール性、識別性のために、様々なデザインの印刷が施されている。そして、商品の包装体には、商品の特徴を知らしめるための、デザイン、商品名、製造社名、販売社名等が印刷されている。
このような印刷には、各種色彩を出すために様々な色の着色剤をバインダーに混合した印刷インキが使用されている。また、印刷が行われる包袋体の基材には、紙、ポリエステル、ポリプロピレン等の合成樹脂性フィルムあるいはアルミニウム等、様々な材料が使用されている。
Currently, various products are sold and distributed in the world, and each product is printed with various designs for uniqueness, appeal, and identification. The product package is printed with a design, a product name, a manufacturer name, a sales company name, and the like for informing the characteristics of the product.
In such printing, printing inks in which various colorants are mixed with a binder to produce various colors are used. Various materials such as paper, a synthetic resin film such as polyester and polypropylene, or aluminum are used for the base material of the package body on which printing is performed.
このような印刷インキの色彩は、三原色の単色着色剤からなる印刷インキを二種以上各割合で配合することにより、白以外の色調を形成する。色の三原色は、公知の通り、赤、黄、青である。例えば、赤として、モノアゾレーキ、ペリレンレッド、パーマネントレッド等、黄として、黄色酸化鉄、ジスアゾイエロー、パーマネントイエロー等、青として、フタロシアニンブルー、インダスレンブルー等の単色着色剤がある。
また、三原色以外の単色着色剤としては、オレンジとして、バルカンオレンジ等があり、紫として、ジオキサジンバイオレット等があり、緑として、フタロシアニングリーン等があり、茶として、酸化鉄等があり、白として、酸化チタン、硫酸バリウム、酸化亜鉛、炭酸カルシウム等があり、黒として、カーボンブラック、アニリンブラック、鉄黒、ペリレン系ブラック等がある。
三原色の印刷インキを二種以上各割合で配合すれば、白以外のオレンジ、紫、緑、茶、黒等の色調の印刷インキは作製可能であるが、上記記載のような単色着色剤が存在する色調については、生産コストの見地からそれぞれの単色着色剤からなる印刷インキが使用されている。
The color of such a printing ink forms a color tone other than white by blending two or more kinds of printing inks composed of three primary colorants. As is well known, the three primary colors are red, yellow, and blue. For example, monoazo lake, perylene red, permanent red, etc. as red, yellow iron oxide, disazo yellow, permanent yellow, etc. as yellow, and monochromatic colorants such as phthalocyanine blue, indanthrene blue, etc. as blue.
In addition, monochromatic colorants other than the three primary colors include orange, vulcan orange, etc., purple, dioxazine violet, etc., green, phthalocyanine green, etc., brown, iron oxide, etc., white , Titanium oxide, barium sulfate, zinc oxide, calcium carbonate, and the like, and blacks include carbon black, aniline black, iron black, and perylene black.
If two or more of the three primary color printing inks are blended in each proportion, printing inks of colors other than white, such as orange, purple, green, brown, black, etc. can be produced, but there are monochromatic colorants as described above For the color tone to be used, printing inks composed of respective single colorants are used from the viewpoint of production cost.
しかし、これらの印刷インキには、印刷後の状態が悪い、いわゆる印刷ムラ（色の濃淡）が起こりにくい印刷インキと起こりやすい印刷インキがある。そして、印刷ムラが発生しやすい印刷インキは印刷インキの粘度、印刷条件、印刷を行う版の製版方法等の加工条件のコントロールに非常に細かい管理を行わなければならず、印刷加工の生産性、管理コストの高騰等が問題となっている。 However, these printing inks include printing inks that are poor in a state after printing, so-called printing unevenness (color shading), and printing inks that are likely to occur. Printing inks that are prone to print unevenness must be managed with very fine control to control the processing conditions such as the viscosity of the printing ink, the printing conditions, the plate making method of the printing plate, etc. Increasing management costs are a problem.
これらの従来使用されている単色着色剤からなる印刷インキの中で、印刷時に色ムラが発生しにくい印刷インキとして、赤、黄、オレンジ、紫を着色剤として用いるものが挙げられ、色ムラが発生しやすい印刷インキとしては青、緑、茶を着色剤として用いるものが挙げられる。また、黒色単色着色剤を用いた黒色の印刷インキは、色ムラが発生しやすいがその色ムラが目立ちにくい。そのため、文字印刷などでは比較的簡易な管理を用いて使用されている。しかし、黒色印刷インキでベタ印刷を行う場合は色ムラがはっきり観察できるため、細かい管理が必要となる。
これらの青、緑、茶、黒の印刷インキは、単独で使用する以外に、他色の印刷インキに補色剤として添加することによっても、色むらを発生させる。さらに、白の印刷インキも、単独では色ムラを発生しにくいが、他色の着色剤からなる印刷インキに補色剤として添加すると色ムラが発生しやすくなる。
Among these conventionally used printing inks composed of single colorants, those that use red, yellow, orange, and purple as colorants are listed as color inks that are less likely to cause color unevenness during printing. Printing inks that tend to occur include those that use blue, green, and brown as colorants. Also, black printing ink using a black monochromatic colorant tends to cause color unevenness, but the color unevenness is not noticeable. For this reason, character printing is used with relatively simple management. However, when solid printing is performed with black printing ink, color unevenness can be clearly observed, so fine management is required.
These blue, green, brown, and black printing inks cause color unevenness not only when used alone, but also when added as a complementary color agent to printing inks of other colors. Furthermore, white printing inks are less likely to cause color unevenness by themselves, but color unevenness is likely to occur when added as a complementary color to printing inks composed of colorants of other colors.
単色の着色剤からなる印刷インキの場合には、色数が限られているため、過去の経験より、印刷ムラに備えた各種管理体制を事前に準備できる。しかし、補色剤などを添加する等、２種以上の着色剤の掛け合わせによって、所定の色調をかもし出す場合には、組み合わせが無数に存在するため予測することは困難であった。 In the case of printing ink composed of a single colorant, since the number of colors is limited, various management systems for printing unevenness can be prepared in advance based on past experience. However, when a predetermined color tone is produced by combining two or more colorants, such as by adding a complementary colorant, it is difficult to predict because there are an infinite number of combinations.
本発明者らは上記問題に鑑み、鋭意研究を重ねた結果、使用する印刷インキの印刷ムラの発生度合いと近赤外線の直線透過性との間に、高い相関性があることを見出し、８００〜９００ｎｍの近赤外線を反射、拡散、吸収せず、９０％以上を直線透過する着色剤を含む印刷インキを使用する場合は、印刷ムラが発生しにくいことを発見し、本発明を完成するに至った。 In view of the above problems, the present inventors have conducted extensive research, and as a result, found that there is a high correlation between the degree of occurrence of printing unevenness of the printing ink to be used and the linear transmittance of near infrared rays, and 800- When printing ink containing a colorant that does not reflect, diffuse, or absorb near-infrared rays of 900 nm and linearly transmits 90% or more, it was discovered that printing unevenness is unlikely to occur, and the present invention was completed. It was.
本発明の印刷方法は、着色剤と、バインダーとからなり、インキ固形分を有し、前記着色剤が単色着色剤を複数混ぜ合わせたものであり、前記着色剤がインキ固形分中１〜４０重量％となる基材の印刷に使用する印刷インキであって、着色剤が、Ｃ．Ｉ．Ｐｉｇｍｅｎｔ Ｎｏ． Ｙｅｌｌｏｗ １７からなる黄色着色剤と、Ｃ．Ｉ．Ｐｉｇｍｅｎｔ Ｎｏ． Ｂｌｕｅ １５−４からなる青色着色剤とからなる二色の着色剤を用いている印刷インキに、波長が８００〜９００ｎｍの近赤外線を照射し、直線透過性が９０％以上であることを確認し、基材に印刷インキを印刷することを特徴としている。
本発明の印刷方法の第２の態様は、着色剤と、バインダーとからなり、インキ固形分を有し、前記着色剤が単色着色剤を複数混ぜ合わせたものであり、前記着色剤がインキ固形分中１〜４０重量％となる基材の印刷に使用する印刷インキであって、着色剤が、Ｃ．Ｉ．Ｐｉｇｍｅｎｔ Ｎｏ． Ｒｅｄ ４８−２からなる赤色着色剤と、Ｃ．Ｉ．Ｐｉｇｍｅｎｔ Ｎｏ． Ｙｅｌｌｏｗ ８３からなる黄色着色剤と、Ｃ．Ｉ．Ｐｉｇｍｅｎｔ Ｎｏ． Ｂｌｕｅ １５−４からなる青色着色剤とからなる三色の着色剤を用いている印刷インキに、波長が８００〜９００ｎｍの近赤外線を照射し、直線透過性が９０％以上であることを確認し、基材に印刷インキを印刷することを特徴としている。
The printing method of the present invention comprises a colorant and a binder, has an ink solid content, the colorant is a mixture of a plurality of monochromatic colorants, and the colorant is 1 to 40 in the ink solid content. A printing ink used for printing on a base material having a weight%, wherein the colorant is C.I. I. Pigment No. A yellow colorant comprising Yellow 17, and C.I. I. Pigment No. Confirm that the printing ink using two-colored colorant consisting of Blue 15-4 is irradiated with near-infrared light having a wavelength of 800-900 nm and the linear transmittance is 90% or more. The printing ink is printed on the substrate.
A second aspect of the printing method of the present invention comprises a colorant and a binder, has an ink solid content, the colorant is a mixture of a plurality of single colorants, and the colorant is an ink solid. A printing ink used for printing a base material having a content of 1 to 40% by weight, wherein the colorant is C.I. I. Pigment No. A red colorant comprising Red 48-2; I. Pigment No. A yellow colorant comprising Yellow 83, C.I. I. Pigment No. Confirm that the linear ink has a linear transmittance of 90% or more by irradiating near infrared rays with a wavelength of 800 to 900 nm to the printing ink using the three colorants consisting of blue 15-4. The printing ink is printed on the substrate.
このような印刷方法であって、前記印刷インキが、赤色着色剤、青色着色剤および黄色着色剤を７〜１０：５〜８：４〜６の割合で混合して得られる黒色の印刷インキであるものが好ましい。
また、前記印刷インキが、赤色着色剤、青色着色剤および黄色着色剤を０〜４：３〜７：３〜９の割合で混合して得られる緑色の印刷インキであってもよく、前記印刷インキが、赤色着色剤、青色着色剤および黄色着色剤を３〜７：３〜７：１〜４の割合で混合して得られる茶色の印刷インキであってもよい。
本発明の印刷物は、本発明の印刷方法によって、基材に印刷インキを印刷したことを特徴としている。
In such a printing method, the printing ink is a black printing ink obtained by mixing a red colorant, a blue colorant and a yellow colorant in a ratio of 7 to 10: 5 to 8: 4 to 6. Some are preferred.
The printing ink may be a green printing ink obtained by mixing a red colorant, a blue colorant and a yellow colorant in a ratio of 0 to 4: 3 to 7: 3 to 9, and the printing ink The ink may be a brown printing ink obtained by mixing a red colorant, a blue colorant, and a yellow colorant in a ratio of 3-7: 3-7: 1-4.
The printed matter of the present invention is characterized in that printing ink is printed on a substrate by the printing method of the present invention.
本発明の印刷インキは、着色剤と、バインダーとからなるインキ固形分を有する基材の印刷に使用するインキであって、波長が８００〜９００ｎｍの近赤外線の直線透過性に優れており、その直線透過性が９０％以上あり、各種基材に印刷しても色ムラが発生しない。 The printing ink of the present invention is an ink used for printing a base material having an ink solid content composed of a colorant and a binder, and has excellent near-infrared linear transmittance with a wavelength of 800 to 900 nm. The linear permeability is 90% or more, and color unevenness does not occur even when printed on various substrates.
このような印刷インキであって、複数の単色着色剤からなる場合、波長が８００〜９００ｎｍの近赤外線の直線透過性に優れている単色着色剤を組み合わせて所望の色の印刷インキを得ることができる。 When such a printing ink is composed of a plurality of monochromatic colorants, it is possible to obtain a printing ink of a desired color by combining the monochromatic colorants having a wavelength of 800 to 900 nm and excellent near-infrared linear transmittance. it can.
近赤外線を吸収する単色の黒色着色剤を印刷インキに含有させると、近赤外線の直線透過性は著しく低下し、印刷ムラが発生しやすくなる。特に、黒色着色剤としてカーボンブラック、アニリンブラック、鉄黒、ペリレン系ブラックのいずれかを含む印刷インキは、印刷ムラを発生しやすい。
また、近赤外線を拡散する単色の緑色着色剤を印刷インキに含有させると、近赤外線の直線透過性は悪くなり、印刷ムラが発生しやすくなる。特に、緑色着色剤としてフタロシアニングリーンを含む印刷インキは、印刷ムラを発生しやすい。
さらに、近赤外線を反射する単色の白色着色剤を印刷インキに含有させると、近赤外線の直線透過性は悪くなり、印刷ムラが発生しやすくなる。特に、白色着色剤として酸化チタン、硫酸バリウム、酸化亜鉛のいずれかを含む印刷インキは印刷ムラを発生しやすい。
さらに、近赤外線を吸収する単色の黄色着色剤の黄色酸化鉄を印刷インキに含有させると、近赤外線の直線透過性が悪くなり、印刷ムラが発生しやすくなる。
If the printing ink contains a monochromatic black colorant that absorbs near infrared rays, the linear transmittance of the near infrared rays is remarkably reduced, and printing unevenness is likely to occur. In particular, printing ink containing any one of carbon black, aniline black, iron black, and perylene-based black as a black colorant tends to generate printing unevenness.
In addition, when the printing ink contains a monochromatic green colorant that diffuses near-infrared rays, the linear transmittance of near-infrared rays is deteriorated and printing unevenness is likely to occur. In particular, printing inks containing phthalocyanine green as a green colorant tend to generate printing unevenness.
Furthermore, when the printing ink contains a monochromatic white colorant that reflects near-infrared rays, the linear transmittance of near-infrared rays is deteriorated and printing unevenness is likely to occur. In particular, printing ink containing any one of titanium oxide, barium sulfate, and zinc oxide as a white colorant tends to cause printing unevenness.
Furthermore, if the printing ink contains a yellow iron oxide, which is a monochromatic yellow colorant that absorbs near infrared rays, the linear transmittance of near infrared rays is deteriorated and printing unevenness is likely to occur.
本発明に用いる黒色を呈する印刷インキは、近赤外線の直線透過性が９０％以上である赤色着色剤、黄色着色剤、青色着色剤を７〜１０：５〜８：４〜６の割合で混合するため、近赤外線の直線透過性が９０％以上であり、印刷ムラを発生しない。
また、本発明に用いる緑色を呈する印刷インキは、近赤外線の直線透過性が９０％以上である赤色着色剤、黄色着色剤、青色着色剤を０〜４：３〜７：３〜９の割合で混合するため、近赤外線の直線透過性が９０％以上であり、印刷ムラを発生しない。
さらに、本発明に用いる茶色を呈する印刷インキは、近赤外線の直線透過性が９０％以上である赤色着色剤、黄色着色剤、青色着色剤を３〜７：３〜７：１〜４の割合で混合するため、近赤外線の直線透過性が９０％以上であり、印刷ムラを発生しない。
このようにそれぞれの近赤外線に対する直線透過性が９０％以上である三原色の（赤色、黄色、青色）着色剤を作製し、混合することによって印刷ムラを発生しない、黒、緑、茶色の印刷インキとなる。
本発明の印刷方法は、上述したいずれかの印刷インキを基材に印刷するため、印刷物の色ムラを防止することができる。
The black printing ink used in the present invention is a mixture of a red colorant, a yellow colorant, and a blue colorant having a near infrared linear transmittance of 90% or more in a ratio of 7 to 10: 5 to 8: 4 to 6. Therefore, the linear transmittance of near infrared rays is 90% or more, and printing unevenness does not occur.
Moreover, the printing ink which exhibits the green color used for this invention is a ratio of 0-4: 3-7: 3-9 for the red colorant , the yellow colorant, and the blue colorant whose near-infrared linear transmittance is 90% or more. Therefore, the near-infrared linear transmittance is 90% or more, and printing unevenness does not occur.
Furthermore, the printing ink exhibiting brown used in the present invention is a ratio of 3 to 7: 3 to 7: 1 to 4 of a red colorant, a yellow colorant, and a blue colorant having a near infrared linear transmittance of 90% or more. Therefore, the near-infrared linear transmittance is 90% or more, and printing unevenness does not occur.
In this way, black, green and brown printing inks that do not cause printing unevenness by producing and mixing three primary color (red, yellow, blue) colorants having a linear transmittance of 90% or more for each near infrared ray. It becomes .
Since the printing method of the present invention prints any of the above-described printing inks on a substrate, color unevenness of the printed matter can be prevented.
本発明の印刷方法は、各種着色剤と、バインダーとからなる印刷インキに、波長が８００〜９００ｎｍの近赤外線を照射し、直線透過性が９０％以上であることを確認して行う
。その上で、前記印刷インキを、凸版印刷（フレキソ印刷）、凹版印刷（グラビア印刷）または平版印刷（オフセット印刷）等によってアルミニウム箔またはポリエチレンテレフタレート等からなる基材に印刷する。これらの印刷物は色ムラがない。
Printing methods of the invention, various colorants, the Ru printing ink name and a binder, wavelength irradiated with near infrared rays of 800 to 900 nm, carried out to confirm that linearity permeability of 90% or more
. Then, the printing ink is printed on a substrate made of aluminum foil, polyethylene terephthalate, or the like by letterpress printing (flexographic printing), intaglio printing (gravure printing), or planographic printing (offset printing) . These printed materials have no color unevenness.
印刷インキは、基材に基づいて選択した透明のバインダーに複数の単色着色剤を混合して、波長が８００〜９００ｎｍの近赤外線に対する直線透過性が９０％以上となるように作製する。
また、印刷インキには黒色の単色着色剤としてカーボンブラック、アニリンブラック、鉄黒またはペリレン系ブラック、緑色の単色着色剤としてフタロシアニングリーン、白色の単色着色剤として酸化チタン、硫酸バリウムまたは酸化亜鉛、茶色の単色着色剤として酸化鉄、黄色の単色着色剤として黄色酸化鉄、青色の単色着色剤としてインダスレンブルーは使用しないことにより、近赤外線の直線透過性は高くなる。
Printing ink, a mixture of a plurality of single-color colorant in a transparent binder selected based on the substrate, a wave length linear permeability is manufactured such that 90% or more with respect to near infrared 800 to 900 nm.
For printing ink, carbon black, aniline black, iron black or perylene black as black monochromatic colorant, phthalocyanine green as green monochromatic colorant, titanium oxide, barium sulfate or zinc oxide as brown, white monochromatic colorant, brown By not using iron oxide as the monochromatic colorant, yellow iron oxide as the yellow monochromatic colorant, and indanthrene blue as the blue monochromatic colorant, the near-infrared linear transmittance is increased.
赤色着色剤としては、ウオッチングレッドＣａ（Ｃ．Ｉ．Ｐｉｇｍｅｎｔ Ｎｏ． Ｒｅｄ ４８−２）を用い、その配合量がインク固形分中の１〜４０重量％となるように調整したものが挙げられる。
黄色着色剤としては、ジスアゾイエローＡＡＯＡ（Ｃ．Ｉ．Ｐｉｇｍｅｎｔ Ｎｏ． Ｙｅｌｌｏｗ １７）、ジスアゾイエローＨＲ（Ｃ．Ｉ．Ｐｉｇｍｅｎｔ Ｎｏ． Ｙｅｌｌｏｗ ８３）を用い、その配合量がインク固形分中の１〜４０重量％となるように調整したものが挙げられる。
青色着色剤としては、フタロシアニンブルー（Ｃ．Ｉ．Ｐｉｇｍｅｎｔ Ｎｏ． Ｂｌｕｅ １５−４）であって、その配合量がインク固形分中の２０重量％以下にしたものが挙げられる。
The red colorant, c Otchi with ring Red Ca (C.I.Pigment No. Red 48-2), include those that amount was adjusted to 1 to 40% by weight of the ink solids in It is done.
As the yellow colorant , disazo yellow AAOA (CI Pigment No. Yellow 17) and disazo yellow HR (CI Pigment No. Yellow 83) were used, and the blending amount thereof was 1 to 40 in the solid content of the ink. What was adjusted so that it might become weight% is mentioned.
Examples of the blue colorant include phthalocyanine blue (CI Pigment No. Blue 15-4) whose blending amount is 20% by weight or less in the solid content of the ink.
緑色の印刷インキとしては、近赤外線に対する直線透過性が９０％以上の三原色の着色剤を混ぜ合わせたものがあり、赤色着色剤と、青色着色剤と、黄色着色剤を例えば０〜４：３〜７：３〜９の割合で混合したものが挙げられる。
また茶色の印刷インキとしては、赤色着色剤と、青色着色剤と、黄色着色剤を例えば３〜７：３〜７：１〜４の割合で混合したものが挙げられる。
さらに、黒色の印刷インキとしては、赤色着色剤と、青色着色剤と、黄色着色剤を例えば７〜１０：５〜８：４〜６、特に、４０：３５：２５の割合で混合したものが挙げられる。
上記緑色、茶色、黒色印刷インキの構成は、特に限定されるものではなく、三原色の着
色剤を任意の割合で配合したものを、その含有量がインキ固形分の１〜４０重量％となるようにしたものでもよい。しかし、印刷インキとして近赤外線に対する直線透過性が９０％以上であれば、着色剤の種類、組合せ、および配合割合は特に限定されない。
また、三原色以外の色として緑色、茶色、黒色を挙げたが、本発明の印刷インキの色は特定されない。いずれの色であっても印刷インキとして近赤外線に対する直線透過性が９０％以上であれば、印刷ムラを発生せず、好ましい。
The green printing ink includes a mixture of three primary colorants having a linear transmittance of 90% or more for near infrared rays. For example, a red colorant , a blue colorant, and a yellow colorant may be 0 to 4: 3 , for example. -7: The thing mixed in the ratio of 3-9 is mentioned.
Moreover, as a brown printing ink, what mixed the red colorant , the blue colorant, and the yellow colorant in the ratio of 3-7: 3-7: 1-4, for example is mentioned.
Furthermore, as black printing ink, what mixed red colorant , blue colorant, and yellow colorant in the ratio of 7-10: 5-8: 4-6, especially 40:35:25 is mixed. Can be mentioned .
The configuration of the green, brown, and black printing inks is not particularly limited, and a blend of three primary colorants in any proportion so that the content is 1 to 40% by weight of the ink solids. It may be the one. However, the type, combination, and blending ratio of the colorant are not particularly limited as long as the linear transparency to near infrared rays is 90% or more as the printing ink.
Moreover, although green, brown, and black were mentioned as colors other than three primary colors, the color of the printing ink of this invention is not specified. In any color, if the linear transparency to near infrared rays is 90% or more as a printing ink, printing unevenness does not occur, which is preferable.
[参考例１]
赤着色剤としてモノアゾレーキ（C.I.Pigment No.Red 213）を用いた印刷インキであって、着色剤の含有量がインキ固形分中の２５重量％である参考例１を調整した。
[参考例２]
赤着色剤としてペリレンレッドＢＬ（C.I.Pigment No.Red 149）を用いた印刷インキであって、着色剤の含有量がインキ固形分中の２５重量％である参考例２を調整した。
[参考例３]
赤着色剤としてパーマネントレッド２Ｂ（Ｓｒ）（C.I.Pigment No.Red 48-3）を用い
た印刷インキであって、着色剤の含有量がインキ固形分中の２５重量％である参考例３を調整した。
[参考例４]
赤着色剤としてウオッチングレッドＣａ（C.I.Pigment No.Red 48-2）を用いた印刷イ
ンキであって、着色剤の含有量がインキ固形分中の２５重量％である参考例４を調整した。
[参考例５]
黄色着色剤としてジスアゾイエローＡＡＯＡ（C.I.Pigment No.Yellow 17）を用いた印刷インキであって、着色剤の含有量がインキ固形分中の２５重量％である参考例５を調整した。
[参考例６]
黄色着色剤としてジスアゾイエローＨＲ（C.I.Pigment No.Yellow 83）を用いた印刷インキであって、着色剤の含有量がインキ固形分中の２５重量％である参考例６を調整した。
[参考例７]
青色着色剤としてフタロシアニンブルー（C.I.Pigment No.Blue 15-4）を用いた印刷インキであって、着色剤の含有量がインキ固形分中の２０重量％以下である参考例７を調整した。
[実施例１]
緑色印刷インキとして、フタロシアニンブルー（C.I.Pigment No.Blue 15-4）をインキ固形分中に３５重量％以下とした青色印刷インキと、ジスアゾイエローＡＡＯＡ（C.I.Pigment No Yellow17）をインキ固形分中に２５重量％とした黄色印刷インキを１：１の割
合で混合し、混合後のフタロシアニンブルー（C.I.Pigment No.Blue 15-4）の全インキ固形分中の含有量が２０重量％以下となる実施例１を調整した。
[実施例２]
茶色印刷インキとして、ウオッチングレッドＣａ（C.I.Pigment No Red48-2）をインキ固形分中に２５重量％とした赤色印刷インキ、ジスアゾイエローＨＲ（C.I.Pigment No Yellow83）をインキ固形分中に２５重量％とした黄色印刷インキ、フタロシアニンブルー(C.I.Pigment No.Blue 15-4）をインキ固形分中に３５重量％以下とした青色印刷インキを４：４：２の割合で混合し、混合後のフタロシアニンブルー（C.I.Pigment No.Blue 15-4）の全インキ固形分中の含有量が２０重量％以下となる印刷インキである実施例２を調整した。
[実施例３]
黒色印刷インキとして、ウオッチングレッドＣａ（C.I.Pigment No Red48-2）をインキ固形分中に２５重量％ととした赤色印刷インキ、ジスアゾイエローＨＲ（C.I.Pigment No
Yellow83）をインキ固形分中に２５重量％とした黄色印刷インキ、フタロシアニンブル
ー(C.I.Pigment No.Blue 15-4）をインキ固形分中に３５重量％以下とした青色印刷イン
キを４０：３５：２５の割合で混合し、混合後のフタロシアニンブルー（C.I.Pigment No.Blue 15-4）の全インキ固形分中の含有量が２０重量％以下となる印刷インキである実施例３を調整した。
[ Reference Example 1 ]
A printing ink using monoazo lake (CIPigment No. Red 213) as a red colorant was prepared, and Reference Example 1 in which the content of the colorant was 25% by weight in the ink solid content was prepared.
[ Reference Example 2 ]
A printing ink using Perylene Red BL (CIPigment No. Red 149) as a red colorant, wherein the content of the colorant was 25% by weight in the ink solid content, was prepared Reference Example 2 .
[ Reference Example 3 ]
A printing ink using permanent red 2B (Sr) (CIPigment No. Red 48-3) as a red colorant, wherein the content of the colorant was 25% by weight in the ink solid content, was adjusted Reference Example 3 . .
[ Reference Example 4 ]
A printing ink using Watching Red Ca (CIPigment No. Red 48-2) as a red colorant, and the content of the colorant was 25% by weight in the ink solid content, was prepared as Reference Example 4 .
[ Reference Example 5 ]
A printing ink using Disazo Yellow AAOA (CIPigment No. Yellow 17) as a yellow colorant, and the content of the colorant was 25% by weight in the ink solid content, was prepared Reference Example 5 .
[ Reference Example 6 ]
A printing ink using disazo yellow HR (CIPigment No. Yellow 83) as a yellow colorant, and the content of the colorant was 25% by weight in the ink solid content, was prepared Reference Example 6 .
[ Reference Example 7 ]
A printing ink using phthalocyanine blue (CIPigment No. Blue 15-4) as a blue colorant, the content of the colorant being 20% by weight or less in the solid content of the ink was prepared as Reference Example 7 .
[ Example 1 ]
As green printing ink, blue printing ink with phthalocyanine blue (CIPigment No. Blue 15-4) 35 wt% or less in the ink solid content and disazo yellow AAOA (CIPigment No Yellow17) 25 wt% in the ink solid content The yellow printing ink was mixed at a ratio of 1: 1, and Example 1 was prepared so that the content in the total ink solid content of phthalocyanine blue (CIPigment No. Blue 15-4) after mixing was 20% by weight or less. did.
[ Example 2 ]
As brown printing ink, red printing ink with 25% by weight of Watching Red Ca (CIPigment No Red48-2) in the ink solid content, and 25% by weight of Disazo Yellow HR (CIPigment No Yellow83) in the ink solid content Yellow printing ink, phthalocyanine blue (CIPigment No. Blue 15-4) was mixed in a 4: 4: 2 ratio with blue printing ink with 35% by weight or less in the ink solid content, and phthalocyanine blue (CIPigment No. Example 2 which is a printing ink in which the content of .Blue 15-4) in the total ink solid content is 20% by weight or less was prepared.
[ Example 3 ]
As a black printing ink, red red printing ink, disazo yellow HR (CIPigment No Red48-2) with 25% by weight in the solids content of watch red Ca (CIPigment No Red48-2)
Yellow 83) is a yellow printing ink having a solid content of 25% by weight, and a blue printing ink having a phthalocyanine blue (CIPigment No. Blue 15-4) content of 35% by weight or less is 40:35:25. Example 3 which is a printing ink in which the content in the total ink solid content of phthalocyanine blue (CIPigment No. Blue 15-4) after mixing was 20% by weight or less was prepared.
[比較例１]
ウオッチングレッドＣａ（C.I.Pigment No Red48-2）をインキ固形分中に25％とした赤色印刷インキと、カーボンブラック（C.I.Pigment No.Black 7）をインキ固形分中に３５重量％とした黒色印刷インキを９５：５の割合で混合した印刷インキである比較例１を調整した。
[比較例２]
黄色着色剤として、黄色酸化鉄（C.I.Pigment No.Yellow 42）、を用いた印刷インキであって、着色剤の含有量がインキ固形分中に２５重量％である比較例２を調整した。
[比較例３]
青色着色剤として、フタロシアニンブルー(C.I.Pigment No.Blue 15-4）を用いた印刷インキであって、着色剤の含有量がインキ固形分中に２５重量％である比較例３を調整した。
[比較例４]
青色着色剤として、インダスレンブルー（C.I.Pigment No.Blue 60）、を用いた印刷インキであって、着色剤の含有量がインキ固形分中に２０重量％である比較例４を調整した。
[比較例５]
緑色着色剤として、フタロシアニングリーン（C.I.Pigment No.Green 7）、を用いた印刷インキであって、着色剤の含有量がインキ固形分中に２０重量％である比較例５を調整した。
[比較例６]
茶色着色剤として、酸化鉄を用いた印刷インキであって、着色剤の含有量がインキ固形分中に２０重量％である比較例６を調整した。
[比較例７]
黒色着色剤として、カーボンブラックを用いた印刷インキであって、着色剤の含有量がインキ固形分中に５重量％である比較例７を調整した。
[Comparative Example 1]
Red printing ink with 25% in the solids content of watch red Ca (CIPigment No Red48-2) and black printing ink with 35% by weight of carbon black (CIPigment No. Black 7) in the solid content of ink Comparative Example 1, which is a printing ink mixed at a ratio of 95: 5, was prepared.
[Comparative Example 2]
A printing ink using yellow iron oxide (CIPigment No. Yellow 42) as a yellow colorant was prepared, and Comparative Example 2 in which the content of the colorant was 25% by weight in the ink solid content was prepared.
[Comparative Example 3]
A printing ink using phthalocyanine blue (CIPigment No. Blue 15-4) as a blue colorant, and a comparative example 3 in which the content of the colorant was 25% by weight in the ink solid content was prepared.
[Comparative Example 4]
A printing ink using Indanthrene Blue (CIPigment No. Blue 60) as a blue colorant, and a comparative example 4 in which the content of the colorant is 20% by weight in the ink solid content was prepared.
[Comparative Example 5]
A printing ink using phthalocyanine green (CIPigment No. Green 7) as a green colorant, and a comparative example 5 in which the content of the colorant is 20% by weight in the ink solid content was prepared.
[Comparative Example 6]
A printing ink using iron oxide as a brown colorant was prepared, and a comparative example 6 in which the content of the colorant was 20% by weight in the ink solid content was prepared.
[Comparative Example 7]
A printing ink using carbon black as a black colorant, and a comparative example 7 in which the content of the colorant is 5% by weight in the ink solid content was prepared.
参考例１〜７、実施例１〜３および比較例１〜７の印刷インキの波長８００、８２５、８５０、８７５、９００ｎｍの近赤外線に対する直線透過性を分光光度計により測定した。また、これらの印刷インキを厚みが１〜２μｍとなるように、ポリエチレンテレフタレートおよびアルミニウム箔からなる厚さ５０μｍの基材にベタ印刷し、その色ムラ状態を目視確認した。その結果を表１に示す。
The linear transmittance of the printing inks of Reference Examples 1 to 7, Examples 1 to 3 and Comparative Examples 1 to 7 with respect to near infrared rays having wavelengths of 800, 825, 850, 875 and 900 nm was measured with a spectrophotometer. Moreover, these printing inks were solid-printed on a 50 μm-thick base material made of polyethylene terephthalate and aluminum foil so that the thickness was 1 to 2 μm, and the color unevenness state was visually confirmed. The results are shown in Table 1.
[表１]
[Table 1]
表１に示すように、波長８００〜９００ｎｍの近赤外線の直線透過性が９０％以上の印刷インキをＰＥＴフィルムまたはアルミニウム箔に印刷しても色ムラは発生しなかった。他方、波長が８００〜９００ｎｍの間の近赤外線の直線透過性が９０％未満の印刷インキは、いずれ場合も、色ムラが発生した。 As shown in Table 1, color unevenness did not occur even when printing ink having a wavelength of 800 to 900 nm with a near infrared linear transmittance of 90% or more was printed on a PET film or aluminum foil. On the other hand, in any case, color unevenness occurred in the printing ink having a near-infrared linear transmittance of less than 90% between wavelengths of 800 to 900 nm.
Claims (6)
基材に印刷インキを印刷する、
印刷方法。 A base material comprising a colorant and a binder, having an ink solid content, wherein the colorant is a mixture of a plurality of monochromatic colorants, and the colorant is 1 to 40% by weight in the ink solid content. A printing ink used for printing, wherein the colorant is C.I. I. Pigment No. A yellow colorant comprising Yellow 17, and C.I. I. Pigment No. Confirm that the printing ink using two-colored colorant consisting of Blue 15-4 is irradiated with near-infrared light having a wavelength of 800-900 nm and the linear transmittance is 90% or more. ,
Printing printing ink on the substrate,
Printing method.
基材に印刷インキを印刷する、
印刷方法。 A base material comprising a colorant and a binder, having an ink solid content, wherein the colorant is a mixture of a plurality of monochromatic colorants, and the colorant is 1 to 40% by weight in the ink solid content. A printing ink used for printing, wherein the colorant is C.I. I. Pigment No. A red colorant comprising Red 48-2; I. Pigment No. A yellow colorant comprising Yellow 83, C.I. I. Pigment No. Confirm that the linear ink has a linear transmittance of 90% or more by irradiating near infrared rays with a wavelength of 800 to 900 nm to the printing ink using the three colorants consisting of blue 15-4. ,
Printing printing ink on the substrate,
Printing method.
請求項２記載の印刷方法。 The printing ink is a black printing ink obtained by mixing a red colorant, a blue colorant and a yellow colorant in a ratio of 7 to 10: 5 to 8: 4 to 6,
The printing method according to claim 2 .
請求項２記載の印刷方法。 The printing ink is a green printing ink obtained by mixing a red colorant, a blue colorant and a yellow colorant in a ratio of 0 to 4: 3 to 7: 3 to 9,
The printing method according to claim 2 .
請求項２記載の印刷方法。 The printing ink is a brown printing ink obtained by mixing a red colorant, a blue colorant and a yellow colorant in a ratio of 3 to 7: 3 to 7: 1 to 4.
The printing method according to claim 2.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2004312498A JP5087208B2 (en) | 2004-10-27 | 2004-10-27 | Printing method and printed matter |
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| JP2004312498A JP5087208B2 (en) | 2004-10-27 | 2004-10-27 | Printing method and printed matter |
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| Publication Number | Publication Date |
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| JP2006124470A JP2006124470A (en) | 2006-05-18 |
| JP5087208B2 true JP5087208B2 (en) | 2012-12-05 |
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| KR102178853B1 (en) * | 2017-08-18 | 2020-11-13 | 주식회사 엘지화학 | Infrared ray transmittance ink composition for inkjet, method for preparing a bezel pattern using the same, the bezel pattern using the same method and display panel comprising the bezel pattern |
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| JP3288089B2 (en) * | 1992-10-16 | 2002-06-04 | 大日本印刷株式会社 | Ink for forming infrared absorption code pattern |
| JP3962102B2 (en) * | 1995-07-21 | 2007-08-22 | 大日本印刷株式会社 | Infrared absorbing pattern forming ink and printed matter having infrared absorbing pattern layer |
| JP2001270242A (en) * | 2000-03-24 | 2001-10-02 | Fuji Photo Film Co Ltd | Latent image forming solution and method for forming image |
| JP2004026992A (en) * | 2002-06-25 | 2004-01-29 | Riso Kagaku Corp | Ink for stencil printing |
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