JPH0281688A - Curing method of ultraviolet curable printing ink - Google Patents
Curing method of ultraviolet curable printing inkInfo
- Publication number
- JPH0281688A JPH0281688A JP23607688A JP23607688A JPH0281688A JP H0281688 A JPH0281688 A JP H0281688A JP 23607688 A JP23607688 A JP 23607688A JP 23607688 A JP23607688 A JP 23607688A JP H0281688 A JPH0281688 A JP H0281688A
- Authority
- JP
- Japan
- Prior art keywords
- ultraviolet curable
- curable printing
- printing ink
- ink
- ultraviolet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Printing Methods (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
「発明の目的」
（産業上の利用分野）
本発明は紫外線硬化型印刷インキを特に厚膜にて印刷し
、紫外線照射して反応硬化する際極めて低エネルギーに
て、あるいは高速度で反応硬化させることのできる硬化
方法に関する。Detailed Description of the Invention "Objective of the Invention" (Industrial Field of Application) The present invention is designed to print an ultraviolet curable printing ink in a particularly thick film, and to cure it by ultraviolet irradiation using extremely low energy. Alternatively, the present invention relates to a curing method that allows reaction curing at high speed.
（従来の技術）
紫外線硬化型印刷インキは近年その省エネルギー省スペ
ースさらに速硬化の特徴を生かし印刷直後の後加工の可
能なこと、更に公害対策等により急速にその用途を拡大
してきている。これに伴い被印刷体の種類も急速に増加
しており、紫外線硬化型印刷インキの接着性、スクラッ
チ性、耐摩擦性の向上に伴って、特にポリ塩化ビニル、
ポリプロピレン、ポリエチレン、ポリプロピレン、ポリ
エステル等の各種プラスチックフィルムあるいはシート
へとその用途が拡がってきている。(Prior Art) In recent years, the use of ultraviolet curable printing inks has been rapidly expanding due to its energy-saving, space-saving, and quick-curing characteristics, which allow for post-processing immediately after printing, and because of its anti-pollution measures. Along with this, the types of substrates to be printed are rapidly increasing, and with the improvement of the adhesion, scratch resistance, and abrasion resistance of UV-curable printing inks, in particular polyvinyl chloride,
Its use is expanding to include various plastic films or sheets such as polypropylene, polyethylene, polypropylene, and polyester.
これらのプラスチックフィルムあるいはシートへの紫外
線硬化型印刷インキの印刷は従来シルクスクリーン印刷
にて印刷されていたものを、コストダウンを目的として
切り換えることが多いためシルクスクリージ印刷にて印
刷されていたものと同様の印刷効果を求められることが
多く、特に透明フィルムあるいはシートでは隠蔽性も要
求される為に紫外線硬化型印刷インキの膜厚は紙への印
刷に比較して厚くならざるを得ないのが実情である。Printing with ultraviolet curable printing ink on these plastic films or sheets used to be printed using silk screen printing, but because this is often switched to for the purpose of cost reduction, it is now printed using silk screen printing. In many cases, a printing effect similar to that of a transparent film or sheet is required, and hiding properties are also required for transparent films or sheets, so the film thickness of UV-curable printing ink has to be thicker than that for printing on paper. is the reality.
しかしながら、良（知られているように紫外線硬化型印
刷インキは、特に藍、墨等の暗色系では紫外線の透過率
が極めて低いためその印刷インキの膜厚の増加によって
極度にその硬化性が低下してくる。However, as it is known, ultraviolet curable printing inks have extremely low transmittance of ultraviolet rays, especially in dark colors such as indigo and black, so as the film thickness of the printing ink increases, its curing properties are extremely reduced. I'll come.
したがって近年これらのフィルムあるいはシートへの紫
外線硬化型印刷インキに際しては印刷スピードを低下さ
せる。あるいは印刷終了後更にもう−度紫外線を照射す
る。あるいは新たに紫外線ランプを増設する等の方法に
て対応しているのが実情であり。Therefore, in recent years, printing speed has been reduced when using ultraviolet curable printing inks on these films or sheets. Alternatively, after printing is completed, ultraviolet rays are irradiated one more time. Alternatively, the current situation is that the situation is being dealt with by methods such as adding new ultraviolet lamps.
紫外線硬化型印刷インキの硬化性の向上が求められてい
るが、紫外線硬化型印刷インキの硬化原理上対応が取れ
ないのが実情であった。Although there is a need to improve the curability of UV-curable printing inks, the reality is that this cannot be achieved due to the curing principle of UV-curable printing inks.
（発明が解決しようとする課題）
本発明はかかる状況を考慮してなされたものであり、透
明プラスチックフィルムあるいはシート上の特に厚膜紫
外線硬化型印刷インキの硬化方法に関するものである。(Problems to be Solved by the Invention) The present invention has been made in consideration of the above situation, and relates to a method for curing especially thick film ultraviolet curable printing ink on a transparent plastic film or sheet.
「発明の構成」
（課題を解決するための手段）
本発明は、紫外線硬化型印刷インキを透明もしくは半透
明フィルムもしくはシートに印刷し、紫外線照射にて反
応硬化する際印刷面の裏面側よ７り紫外線を補助的に照
射して透過光にて硬化させる硬化方法を提供するのであ
る。"Structure of the Invention" (Means for Solving the Problems) The present invention is characterized in that when ultraviolet curable printing ink is printed on a transparent or translucent film or sheet, and when it is reactively cured by ultraviolet irradiation, the back side of the printed surface is The present invention provides a curing method in which the material is irradiated with ultraviolet rays in an auxiliary manner and the material is cured using transmitted light.
本発明に使用される紫外線ランプは高圧水銀ランプもし
くはメタルハライドランプが一般的であり。The ultraviolet lamp used in the present invention is generally a high-pressure mercury lamp or a metal halide lamp.
また冷却方法は空冷、水冷のどちらでもよい。Further, the cooling method may be either air cooling or water cooling.
本発明方法を用いることにより従来の硬化可能な印刷イ
ンキ膜厚より厚膜の硬化が、比較的少ないエネルギー料
にて硬化可能となり、特に印刷硬化、原反とインキの接
着性の向上、印刷の高速化に極めて有効である。By using the method of the present invention, thicker films can be cured using relatively less energy than conventional curable printing ink films. It is extremely effective for speeding up.
次に本発明を具体的に説明するために以下に実施例を示
す。Next, Examples will be shown below to specifically explain the present invention.
実施例
東洋インキ製造■製紫外線硬化型インキＦＤＯ墨Ｇの膜
厚を変えて透明塩ビシートにＲ１テスターにて印刷し、
その硬化性をセロハン粘着テープにて剥離テストを行い
、剥離しな（なるまで紫外線を照射し、その照射回数を
本発明と従来法とで比較した結果を以下に示す。Example Printing on a transparent PVC sheet using an R1 tester with different film thicknesses of ultraviolet curable ink FDO ink G manufactured by Toyo Ink Manufacturing ■,
A peel test was conducted to check the curing properties using cellophane adhesive tape, and ultraviolet rays were irradiated until no peeling occurred. The results of comparing the number of irradiations between the present invention and the conventional method are shown below.
インキ量はＲ１テスター全面ロールでのインキ盛量。The amount of ink is the amount of ink applied on the R1 tester's entire surface roll.
従来法：インキ面側からのみ紫外線照射した回数。Conventional method: Number of times UV rays are irradiated only from the ink side.
本発明法・裏面から１回紫外線照射後印刷面側から照射
した回数との合計値。Method of the present invention: Total value of the number of times of UV irradiation from the printed side after one time of UV irradiation from the back side.
ランプ：水銀空冷ランプ １２０ Ｗ／Ｃ１ｌ ｌ灯コ
ンベアー速度：６０ｍ／分Lamp: Mercury air-cooled lamp 120 W/C1l l lamp Conveyor speed: 60m/min
Claims (1)
ルムもしくはシートに印刷し、紫外線照射にて反応硬化
する際印刷面の裏面側より紫外線を補助的に照射して硬
化させる硬化方法。1. A curing method in which an ultraviolet curable printing ink is printed on a transparent or translucent film or sheet, and during reaction curing with ultraviolet irradiation, ultraviolet rays are irradiated auxiliary from the back side of the printed surface to cure the ink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23607688A JPH0281688A (en) | 1988-09-20 | 1988-09-20 | Curing method of ultraviolet curable printing ink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23607688A JPH0281688A (en) | 1988-09-20 | 1988-09-20 | Curing method of ultraviolet curable printing ink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0281688A true JPH0281688A (en) | 1990-03-22 |
Family
ID=16995364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23607688A Pending JPH0281688A (en) | 1988-09-20 | 1988-09-20 | Curing method of ultraviolet curable printing ink |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0281688A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0517090U (en) * | 1991-08-20 | 1993-03-05 | 東山新技術株式会社 | Venetian blind slats |
| FR2759942A1 (en) * | 1997-02-21 | 1998-08-28 | Ncr Int Inc | PRINTING METHOD AND APPARATUS USING INK CURABLE BY EXPOSURE TO RADIANT ENERGY |
| CN103273751A (en) * | 2013-05-08 | 2013-09-04 | 温太平 | A kind of paper printing laminating method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58171988A (en) * | 1982-04-01 | 1983-10-08 | Toppan Printing Co Ltd | Transfer foil manufacturing method |
-
1988
- 1988-09-20 JP JP23607688A patent/JPH0281688A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58171988A (en) * | 1982-04-01 | 1983-10-08 | Toppan Printing Co Ltd | Transfer foil manufacturing method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0517090U (en) * | 1991-08-20 | 1993-03-05 | 東山新技術株式会社 | Venetian blind slats |
| FR2759942A1 (en) * | 1997-02-21 | 1998-08-28 | Ncr Int Inc | PRINTING METHOD AND APPARATUS USING INK CURABLE BY EXPOSURE TO RADIANT ENERGY |
| US6354700B1 (en) | 1997-02-21 | 2002-03-12 | Ncr Corporation | Two-stage printing process and apparatus for radiant energy cured ink |
| CN103273751A (en) * | 2013-05-08 | 2013-09-04 | 温太平 | A kind of paper printing laminating method |
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