JP3404539B2 - Manufacturing method of polypropylene sheet and polypropylene film - Google Patents
Manufacturing method of polypropylene sheet and polypropylene filmInfo
- Publication number
- JP3404539B2 JP3404539B2 JP07259999A JP7259999A JP3404539B2 JP 3404539 B2 JP3404539 B2 JP 3404539B2 JP 07259999 A JP07259999 A JP 07259999A JP 7259999 A JP7259999 A JP 7259999A JP 3404539 B2 JP3404539 B2 JP 3404539B2
- Authority
- JP
- Japan
- Prior art keywords
- polypropylene
- sheet
- printing
- vinyl chloride
- film
- 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.)
- Expired - Fee Related
Links
Landscapes
- Printing Methods (AREA)
Description
【発明の詳細な説明】
【０００１】本発明は、艶があって深みのある、充分に
きれいな印刷をもつポリプロピレン・シートやポリプロ
ピレン・フィルムの製法に関する。
【０００２】
【従来の技術】従来、塩化ビニールのシートやフィルム
には充分にきれいな印刷が施されており、そしてその製
品も多く提供されている。しかし乍ら、これ等塩化ビニ
ール・シート、フィルムにはその焼却等による廃棄の際
に塩素系ガス、ダイオキシン等有毒物質を発生して環境
を悪化するという致命的な欠陥があった。
【０００３】そして、このような塩化ビニールシート
（フィルム）の殆どは、本体地シートの表面に印刷を施
したのちに、当該印刷面にインク剥離防止と艶出しのた
めに透明塩化ビニールシートを貼り合せる加工を施すこ
とによって得ていたものであった。
【０００４】この種の塩化ビニールは、上記したように
塩化ビニールシートの二枚を貼り合せた構成であるので
コストが割高となって低コスト化が難しく、しかも外表
面には擦傷を受け易い弱点があるのみならず印刷および
張り合せ加工を施す作業の際には、塩化ビニールシート
が享有する軟化温度の低さが原因で、印刷に支障をきた
す曲がりや凹凸湾曲が生じてしまうので、これ等を回避
するために裏側（下面）に当て部材を副えて印刷および
張り合せ加工を行う必要があるという避け難い作業性の
悪さがある等の問題点があった。
【０００５】本発明は、現状に鑑み、環境を悪化しな
く、低コスト化を可能とし、生産時の作業性がよ
く、外傷の受けにくい、シートおよびフィルムへの要
望に応えようとするものである。
【０００６】そこで、本発明者は、先ず始めに、焼却し
ても有毒物質の発生がなく地球環境に優しいポリプロピ
レン（塩化ビニール・フィルムと同じ程度の柔さの）を
採用して要望に応えることを試みたが、塩化ビニールシ
ート・フィルムのように充分にきれいな印刷、艶および
深みをもつシート（フィルム）を容易には得ることがで
きなかった。
【０００７】本発明者は更に研究を重ねた結果、充分に
きれいな印刷の施された、要望に応えることのできるポ
リプロピレン・シートおよびフィルムを得ることができ
たのである。
【０００８】
【発明が解決しようとする課題】本発明は、焼却しても
有毒ガスの発生がなく地球環境に優しい、上記欠陥や問
題点もない、充分にきれいな印刷の施されたシートおよ
びフィルムを得ることができる新規のポリプロピレン・
シートおよびポリプロピレン・フィルムの製法を提供す
ることを目的とするものである。
【０００９】
【課題を解決するための手段】上記目的を達成するため
に本発明に係るポリプロピレン・シートおよびポリプロ
ピレン・フィルムの製法は、ポリプロピレン・シートも
しくはポリプロピレン・フィルム本体の印刷面にオフセ
ット印刷を施す工程、オフセット印刷面に透明のニス引
きを施す工程、ニス引き面上にＵＶ透明インクによる印
刷を施す工程を順になすことにより得るようにしたもの
である。
【００１０】
【実施例】本発明を図面に依拠して説明する。先ず、図
１は、本発明の実施例を示したものであって、塩化ビニ
ール・シートと同じ程度の柔さのポリプロピレン・シー
ト本体１の表面に多色カラー・オフセット印刷を施し、
然るのち当該印刷面２上に同印刷面のおさえ用として透
明のメジューム（商品名）を以てニス引きを施し、次い
でこのニス引き面３上に艶と深み出し用としてＵＶ透明
インクによるシルク印刷４を施し、よって完成品５を得
るようにしたものである。
【００１１】なお、図２は、本発明のニス引き工程を省
いて得られた完成品を示したものである。すなわち、塩
化ビニール・シートと同じ程度の柔さのポリプロピレン
・シート本体１の表面に多色カラー・オフセット印刷を
施し、然るのち当該印刷面２上に同印刷面のおさえ用お
よび艶と深み出し用としてＵＶ透明インクによるシルク
印刷４を施し、よって完成品５を得るようにしたもので
ある。
【００１２】本発明の実施により得られた完成品５は、
市場に多量に占有する塩化ビニールを素材とした全製品
に替えて利用できるものであって、たとえば、筆入れの
表装部材やファイル・アルバムの表装部材、ケースの外
装部材、印刷物の表紙、小物入れ、袋等の塩化ビニール
を素材とした製品に替るものに主に利用する。
【００１３】
【発明の効果】本発明によれば、軟質塩化ビニールに近
い柔さで且つ艶があって深みのある、充分にきれいな印
刷を備えたＰＰ（ポリプロピレン）シート・フィルムを
得ることが可能となるものであって、環境を悪化しな
い、低コスト化を可能とする、生産時の作業性をよ
くする、外傷を受け難くする等への要望に応えるとい
う所期の目的を完全に達成することができる。Description: BACKGROUND OF THE INVENTION The present invention relates to a method for producing glossy, deep, sufficiently clean printed polypropylene sheets and films. Heretofore, vinyl chloride sheets and films have been printed sufficiently cleanly, and many products thereof have been provided. However, these vinyl chloride sheets and films have a fatal defect that toxic substances such as chlorine-based gas and dioxin are generated upon disposal by incineration or the like, thereby deteriorating the environment. [0003] Most of such vinyl chloride sheets (films) are printed on the surface of a main body base sheet, and then a transparent vinyl chloride sheet is applied to the printed surface to prevent ink peeling and to polish the surface. It had been obtained by performing a combining process. [0004] This kind of vinyl chloride has a structure in which two vinyl chloride sheets are bonded together as described above, so that the cost is relatively high and it is difficult to reduce the cost, and the outer surface is susceptible to scratches. In addition, when performing printing and laminating work, the low softening temperature of the vinyl chloride sheet may cause bending and unevenness that may hinder printing. In order to avoid the problem, it is necessary to perform printing and laminating with a contact member on the back side (lower surface). In view of the current situation, the present invention is intended to meet the demand for sheets and films that do not degrade the environment, reduce costs, have good workability during production, and are not easily damaged. is there. Therefore, the present inventor first responds to the demand by adopting a polypropylene (of the same degree of softness as a vinyl chloride film), which does not generate toxic substances even when incinerated and is environmentally friendly. However, it was not possible to easily obtain a sheet (film) having sufficiently clean print, gloss and depth like a vinyl chloride sheet / film. As a result of further studies, the inventor was able to obtain a sufficiently clean printed and usable polypropylene sheet and film. SUMMARY OF THE INVENTION The present invention is directed to a sheet and a film, which are free from toxic gas even when incinerated, are environmentally friendly, have no such defects and problems, and have been printed sufficiently sufficiently. New polypropylene
It is an object of the present invention to provide a method for producing a sheet and a polypropylene film. In order to achieve the above object, a method for producing a polypropylene sheet and a polypropylene film according to the present invention is to perform offset printing on a printing surface of a polypropylene sheet or a polypropylene film body. step, Ru der those step of performing varnishing transparent offset printing surface, the step of subjecting the printing with UV transparent ink onto varnishing surface is so obtained by forming in sequence. The present invention will be described with reference to the drawings. First, FIG. 1 shows an embodiment of the present invention, in which multicolor offset printing is performed on the surface of a polypropylene sheet main body 1 having the same flexibility as a vinyl chloride sheet.
Thereafter, varnishing is performed on the printing surface 2 with a transparent medium (trade name) for holding the printing surface, and then silk printing 4 with UV transparent ink is performed on the varnishing surface 3 for gloss and deepening. alms, thus Ru der those so as to obtain a finished product 5. [0011] Incidentally, FIG. 2, saving the varnishing process of the present invention
It shows the finished product obtained by the above method. That is, multicolor offset printing is performed on the surface of the polypropylene sheet main body 1 having the same degree of softness as the vinyl chloride sheet, and then the printing surface 2 is pressed and the gloss and the depth are exposed. For this purpose, silk printing 4 using UV transparent ink is performed to obtain a finished product 5. The finished product 5 obtained by implementing the present invention is:
It can be used in place of all products made of vinyl chloride, which occupy a large amount of the market. For example, it can be used as a cover material for brushstrokes, a cover material for file albums, a cover material for a case, a cover material for printed matter, or a small case. It is mainly used to replace products made of vinyl chloride, such as bags and bags. According to the present invention, it is possible to obtain a PP (polypropylene) sheet / film having a softness close to that of soft vinyl chloride, a glossy depth, and a sufficiently clean print. Completely achieve the intended objectives of meeting the demands of not deteriorating the environment, enabling lower costs, improving workability during production, and reducing trauma. be able to.
【図面の簡単な説明】
【図１】本発明に係る第一実施例により得た完成品の一
部を示す拡大断面図である。
【図２】本発明におけるニス引き工程を省いて得た完成
品の一部を示す拡大断面図である。
【符号の説明】
１ ポリプロピレン・シート本体
２ カラー印刷面
３ ニス引き面
４ ＵＶ透明インク印刷面
５ 完成品BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an enlarged sectional view showing a part of a finished product obtained by a first embodiment according to the present invention. 2 is an enlarged sectional view showing a part of the finished product obtained by omitting the varnishing process definitive to the present invention. [Description of Signs] 1 Polypropylene sheet body 2 Color printing surface 3 Varnishing surface 4 UV transparent ink printing surface 5 Finished product
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) B41M 1/30 B41M 1/06 B41M 7/02 ──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. 7 , DB name) B41M 1/30 B41M 1/06 B41M 7/02
Claims (1)
ロピレン・フィルム本体の印刷面にオフセット印刷を施
す工程、オフセット印刷面に透明のニス引きを施す工
程、ニス引き面上にＵＶ透明インクによる印刷を施す工
程を順になすことにより得たことを特徴とするポリプロ
ピレン・シートおよびポリプロピレン・フィルムの製
法。(57) [Claims 1] A step of performing offset printing on a printing surface of a polypropylene sheet or a polypropylene film main body, a step of applying a transparent varnish to the offset printing surface, and a UV on the varnishing surface. A method for producing a polypropylene sheet and a polypropylene film, which is obtained by sequentially performing steps of printing with a transparent ink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07259999A JP3404539B2 (en) | 1999-01-22 | 1999-03-17 | Manufacturing method of polypropylene sheet and polypropylene film |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11-53060 | 1999-01-22 | ||
| JP5306099 | 1999-01-22 | ||
| JP07259999A JP3404539B2 (en) | 1999-01-22 | 1999-03-17 | Manufacturing method of polypropylene sheet and polypropylene film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000272218A JP2000272218A (en) | 2000-10-03 |
| JP3404539B2 true JP3404539B2 (en) | 2003-05-12 |
Family
ID=26393769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP07259999A Expired - Fee Related JP3404539B2 (en) | 1999-01-22 | 1999-03-17 | Manufacturing method of polypropylene sheet and polypropylene film |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3404539B2 (en) |
-
1999
- 1999-03-17 JP JP07259999A patent/JP3404539B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000272218A (en) | 2000-10-03 |
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