JPH0515626B2 - - Google Patents

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Publication number
JPH0515626B2
JPH0515626B2 JP60000714A JP71485A JPH0515626B2 JP H0515626 B2 JPH0515626 B2 JP H0515626B2 JP 60000714 A JP60000714 A JP 60000714A JP 71485 A JP71485 A JP 71485A JP H0515626 B2 JPH0515626 B2 JP H0515626B2
Authority
JP
Japan
Prior art keywords
temperature
resin film
room
printing
humidity
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 - Lifetime
Application number
JP60000714A
Other languages
Japanese (ja)
Other versions
JPS61162449A (en
Inventor
Takashi Toyoda
Kanji Shirai
Akira Akimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yupo Corp
Original Assignee
Yupo Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yupo Corp filed Critical Yupo Corp
Priority to JP71485A priority Critical patent/JPS61162449A/en
Publication of JPS61162449A publication Critical patent/JPS61162449A/en
Publication of JPH0515626B2 publication Critical patent/JPH0515626B2/ja
Granted legal-status Critical Current

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Description

【発明の詳細な説明】[Detailed description of the invention]

〔産業上の利用分野〕 本発明の方法により得られる樹脂フイルム(合
成紙を含む)は、冬の低温、低湿の状態でもオフ
セツト印刷、グラビア印刷等の印刷性に優れる。
この印刷した樹脂フイルムは、ポスター、包装フ
イルム、化粧紙として有用である。 〔従来技術〕 熱可塑性樹脂フイルムの表面に、ポリエチレン
イミン、ポリアミンポリアミドのエチレンイミン
付加物、第四級窒素含有アクリル系ポリマー、ア
クリルアミドポリマー、エチレンイミン−エチレ
ン尿素共重合体等の水溶性の帯電防止剤を塗布
し、乾燥させて樹脂フイルムの印刷性を向上させ
ることは公知である(特公昭53−6676号)、同57
−48578号、同52−30390号、同59−27770号、特
開昭48−96664号)。 これら表面に帯電防止剤のポリマー樹脂層を設
けた樹脂フイルムはグラビア印刷、フレキソ印
刷、オフセツト印刷性が優れるものである。 しかしながら、春、夏および秋期においては何
ら問題がないが冬の低温、低湿度期において、印
刷インクが樹脂フイルムに転移しにくい問題点が
印刷メーカーより指摘されている。これに対処す
るため、巻き取つた樹脂フイルムあるいは成形
後、カツテイングしてシート状とし、これを積み
重ねた樹脂フイルムを35℃〜45℃の温度の部屋に
3週間〜1カ月保管することによりかかる問題点
を解決しているのが実情である。 〔発明が解決しようとする問題点〕 上記保管によりシート表面全体に雰囲気と同じ
条件に加湿された印刷インキの転移が良好になる
が、かかる条件下で長期間保管するための特別の
保管設備が必要であるばかりでなく、保管をした
樹脂フイルムの印刷性が良好となつたかどうかフ
イルムの製造メーカーと印刷会社の相方で試し刷
りする必要があり不便である。 〔問題点を解決する具体的な手段〕 本発明においては、帯電防止層を有する樹脂フ
イルムの巻き取る、または樹脂フイルムをシート
状に切断し、積み重ねて包装する際の温度と湿度
の条件をコントロールすることにより直ちに出荷
し、印刷しても印刷インクの転移の良好な樹脂フ
イルムを提供するものである。 本発明においては、帯電防止剤を表面に塗布、
乾燥した樹脂フイルムを部屋で巻き取るか、切断
してシート状に重ねる際に、部屋の雰囲気が、温
度20〜45℃、相対湿度が50%以上の条件を外れる
ときは、湿度調整器、温度調整器の少くとも一方
を用いて部屋の雰囲気を20〜45℃の温度であつ
て、相対湿度が50%以上である一定温度、一定湿
度下の雰囲気下に調整して巻き取るか、切断して
シート状に重ねることを特徴とする樹脂フイルム
の切断または巻取方法を提供するものである。 樹脂フイルムとしては、ポロプロピレン、ポリ
エチレン、ポリエチレンテレフタレート、ポリア
ミド、ポリスチレン、ポリ塩化ビニル、ポリカー
ボネートの熱可塑性樹脂を素材としたフイルムや
これを延伸したフイルムが挙げられる。 この樹脂フイルムは炭酸カルシウム、クレイ、
タルク、酸化チタン等の充填剤、熱安定剤、滑
剤、分散剤等を含有していてもよい。 樹脂フイルムの表面に塗布する帯電防止剤とし
ては前述の公報群に記載されるポリエチレンイミ
ン、ポリアミンアミドのエチレンイミン付加物、
ポリアミンポリアミドのエピクロルヒドリン付加
物、第四級窒素含有アクリル系ポリマー、アクリ
ルアミドポリマー、エチレン−エチレン尿素共重
合体等があげられる。これらは、三菱油化フアイ
ン(株)よりST−1000、ST−1100、ST−1200、ST
−1300、ST−3000の商品名で、BASF社よりポ
リミンSNの商品名で、デイツプハーキユルス社
よりカイメン557Hの商品名で販売されている。 これら水溶性の帯電防止剤ポリマーは溶液濃度
が0.5〜3重量%の水溶液としてロール、スプレ
ー、はけ等の塗布手段により樹脂フイルム上に樹
脂固型分が0.01〜1.0g/m2となるように塗布さ
れ、乾燥される。 表面に帯電防止剤の樹脂層が設けられた樹脂フ
イルムAは、第1図に示すように加湿または除湿
を行なう湿度調整器1,1…と、加熱および冷却
の両機能を有する温度調整器である空調設備2,
2…を備えた部屋3内にエアーカーテン4側より
部屋内に供給され、ナイフ5,5によりシート6
状に断裁され、積み重ねられ、ついで包装され
る。工場建家内にある部屋3のエアーカーテン4
側を除いた上方および側壁側は、断熱材、ガラス
板、樹脂フイルムなど7,7…により外気と遮断
され、部屋3内の温度と湿度の調整が効率よく行
わる。 第1図はシート状に断裁して包装する例を記述
したが、フイルムをロール巻きして出荷するとき
は、ナイフ5,5に代えて巻き取り機を用いる。 部屋3内の温度と相対湿度は、20〜45℃、50%
以上、好ましくは55〜80%の範囲内で一定温度、
一定湿度を保つように湿度調整器1,1…と空調
設備2,2…を用いて行なう。この条件を外して
フイルムを断裁し、積み重ねて包装またはフイル
ムをロール巻きし、出荷すると、印刷インクのフ
イルム面への転移が悪くなる。 フイルムのカツテイングあるいはスリツテイン
グの際このような雰囲気の調整を行わない場合に
はとくに冬期においての環境条件が上述の条件
(温度20〜45℃、相対湿度50%以上)外になるこ
とが多く印刷インクの転移はとくに冬期に不良と
なることが多い。本発明においては、シートに接
触する空気の条件を積極的に調整することにより
帯電防止剤層の配例変化がおこり、オフセツト印
刷に適した表面状態に変化させられるものと推測
される。 以下、実施例により本発明を更に詳細に説明す
る。 実施例 1 (1) メルトインデツクス(MI)0.8のポリプロピ
レン80重量%に平均粒径1.5ミクロンの炭酸カ
ルシウム20重量%を配合(A)し、270℃に設定し
た押出機にて混練後、シート状に押出し、冷却
装置により冷却して、無延伸シートを得た。こ
のシートを、145℃に加熱後、縦方向に5倍延
伸した。 (2) MI4.0のポリプロピレン50重量%と炭酸カル
シウム粉末50重量%の混合物(B)と、MI4.0のポ
リプロピレン50重量%と高密度ポリエチレン8
重量%、炭酸カルシウム42重量%の混合物(C)と
を、それぞれ別々の押出機を用いて270℃で溶
融混練し、次いで一台のダイにそれぞれ供給し
てダイ内でラミネートさせた後、上記(1)にて得
られた縦方向5倍延伸シートの両面に共押出し
し、層(C)が外側となるようにした。次いで、こ
の五層積層物を185℃に加熱したのち横方向に
7.5倍の延伸を行なつて、五層のフイルムを得
た。 (3) この五層積層フイルムの表裏面をコロナ放電
処理し、(C)/(B)/(A)/(B)/(C)の各フイルムの肉
厚が3/17/40/17/3ミクロンの5層構造の
合成紙を得た。 この合成紙の表裏面に表1に記載の組成の塗布
剤水溶液を固型分で0.05g/m2となるように塗布
した後、60℃の温風で塗布剤水溶液を乾燥させ、
ついで30℃、相対湿度約70%に調整した部屋でシ
ート状にカツテイングし、印刷用の合成紙を製造
した。 東洋インク製造(株)のオフセツト印刷インク
“TSP−400”(商品名)および小森印刷機(株)製オ
フセツト4色印刷機を用い、1日積み重ねて保管
した合成紙の表面側に4色(黒、青、赤、黄)オ
フセツト印刷を行ない、インクの転移性、インク
の密着性、オフセツト連続印刷性、合成紙の給排
紙性を次の方法で評価した。結果を表1に示す。 なお、工場建家内の温度は12±3℃であり、相
対湿度は約40%であつた。 同様にカツテイング後、10日および1カ月、温
度、湿度調整していない建屋の別の部屋(温度14
℃、相対湿度約40%)で保管した合成紙について
も印刷性を評価した。 刷性能の評価方法: 〔インクの転移性〕 各色の網点部分を拡大鏡(30倍)で拡大し、網
点再現性を目視にて判定した。 網点再現率:100〜75% 良好 (○) 75〜50% やや不良 (△) 50〜0% 不良 (×) 〔インクの密着性〕 ニチバン(株)製粘着テープ”セロテープ”(商品
名)を印刷面上に強く密着させ、印刷面にそつて
すばやく剥離し、紙面上からのインク脱離程度を
目視判定した。 インク残留率:100〜95% 良好 (○) 95〜80% やや不良 (△) 80〜0% 不良 (×) 〔オフセツト連続印刷性〕 5000枚連続印刷し、ブランケツト上のインクエ
ツヂパイル、ブランケツト白さを印刷前の状態と
比較した。又、印刷物については印刷開始直後と
連続印刷後のものを比較し、網点再現性を目視判
定した。 ブランケツト状態:印刷前と同等 (○) やや差がある (△) 大差がある (×) 実施例2〜3、比較例1〜3 カツテイング時の部屋内の条件および帯電防止
剤組成、および保管の建屋の環境条件を表1のよ
うに変更する他は実施例1と同様にして得た合成
紙のオフセツト印刷性を評価した。 結果を表1に示す。 なお、帯電防止剤の成分は次の通りである。 (a) 三菱油化社製水溶性ポリアクリル系帯電防止
重合体「ST−1100*(b) ポリアミンポリアミドのエチレンイミン付加
物(BASF社製ポリミンSN) (c) 水溶性ポリアミンポリアミドのエピクロルヒ
ドリン付加物(デイツク・ハーキユルス社製
「カイメン557H」
[Industrial Field of Application] The resin film (including synthetic paper) obtained by the method of the present invention has excellent printability in offset printing, gravure printing, etc. even in low temperature and low humidity conditions in winter.
This printed resin film is useful as posters, packaging films, and decorative paper. [Prior art] A water-soluble antistatic material such as polyethyleneimine, ethyleneimine adduct of polyamine polyamide, quaternary nitrogen-containing acrylic polymer, acrylamide polymer, ethyleneimine-ethylene urea copolymer, etc. is applied to the surface of the thermoplastic resin film. It is well known to improve the printability of resin films by coating and drying them (Japanese Patent Publication No. 53-6676), 57.
-48578, No. 52-30390, No. 59-27770, JP-A-48-96664). These resin films having a polymer resin layer containing an antistatic agent on the surface have excellent gravure printing, flexographic printing, and offset printing properties. However, although there are no problems in spring, summer, and autumn, printing manufacturers have pointed out that printing ink is difficult to transfer to the resin film in winter, when the temperature is low and humidity is low. In order to deal with this problem, the rolled resin film or the resin film that is cut into sheets after molding and stacked is stored in a room at a temperature of 35°C to 45°C for 3 weeks to 1 month. The reality is that the issue is being resolved. [Problem to be solved by the invention] The above storage improves the transfer of printing ink that has been humidified to the same conditions as the atmosphere over the entire surface of the sheet, but special storage equipment is required for long-term storage under such conditions. Not only is this necessary, but it is also inconvenient because it requires the film manufacturer and the printing company to perform test printing to check whether the stored resin film has good printability. [Specific means for solving the problem] In the present invention, the temperature and humidity conditions are controlled when winding a resin film having an antistatic layer, or when cutting a resin film into sheets and stacking and packaging the resin film. By doing so, it is possible to provide a resin film that can be shipped immediately and has good transfer of printing ink even when printed. In the present invention, applying an antistatic agent to the surface,
When winding up dried resin film in a room or cutting it and stacking it into sheets, if the room atmosphere is outside the conditions of temperature 20 to 45℃ and relative humidity 50% or more, use a humidity regulator, temperature Use at least one of the regulators to adjust the room atmosphere to a constant temperature and humidity atmosphere of 20 to 45°C and a relative humidity of 50% or more before winding or cutting. The present invention provides a method for cutting or winding a resin film, which is characterized by stacking the resin film in a sheet shape. Examples of the resin film include films made of thermoplastic resins such as polypropylene, polyethylene, polyethylene terephthalate, polyamide, polystyrene, polyvinyl chloride, and polycarbonate, and films made by stretching these. This resin film is made of calcium carbonate, clay,
It may contain fillers such as talc and titanium oxide, heat stabilizers, lubricants, dispersants, and the like. Antistatic agents to be applied to the surface of the resin film include polyethyleneimine, ethyleneimine adducts of polyamineamide, and
Examples include epichlorohydrin adducts of polyamine polyamides, quaternary nitrogen-containing acrylic polymers, acrylamide polymers, and ethylene-ethylene urea copolymers. These are ST-1000, ST-1100, ST-1200, ST from Mitsubishi Yuka Fine Co., Ltd.
It is sold under the product names -1300 and ST-3000, by BASF under the trade name Polymin SN, and by Deitpharkyrus under the trade name Kaimen 557H. These water-soluble antistatic polymers are applied as an aqueous solution with a solution concentration of 0.5 to 3% by weight, so that the resin solid content is 0.01 to 1.0 g/m 2 by coating means such as roll, spray, or brush. is applied and dried. As shown in Fig. 1, the resin film A having a resin layer of an antistatic agent on its surface is equipped with humidity regulators 1, 1... for humidifying or dehumidifying, and a temperature regulator having both heating and cooling functions. A certain air conditioning equipment 2,
2... is supplied into the room 3 from the air curtain 4 side, and the sheet 6 is
They are cut into shapes, stacked, and then packaged. Air curtain 4 in room 3 in the factory building
The upper and side walls except for the sides are isolated from the outside air by insulation materials, glass plates, resin films, etc. 7, 7, etc., so that the temperature and humidity inside the room 3 can be efficiently adjusted. Although FIG. 1 describes an example in which the film is cut into sheets and packaged, when the film is rolled up and shipped, a winding machine is used in place of the knives 5, 5. Temperature and relative humidity in room 3 are 20-45℃, 50%
above, preferably within a constant temperature of 55-80%,
Humidity regulators 1, 1... and air conditioners 2, 2... are used to maintain constant humidity. If the film is cut, stacked and packaged or rolled and shipped without this condition, the printing ink will not transfer well to the film surface. If the atmosphere is not adjusted during film cutting or slitting, the environmental conditions often exceed the above conditions (temperature 20 to 45°C, relative humidity 50% or more), especially in winter, when printing ink. Metastasis is often particularly bad in winter. In the present invention, it is presumed that by actively adjusting the conditions of the air that comes into contact with the sheet, the arrangement of the antistatic agent layer is changed, and the surface condition is changed to be suitable for offset printing. Hereinafter, the present invention will be explained in more detail with reference to Examples. Example 1 (1) 80% by weight of polypropylene with a melt index (MI) of 0.8 is blended with 20% by weight of calcium carbonate with an average particle size of 1.5 microns (A), and after kneading in an extruder set at 270°C, a sheet is prepared. It was extruded into a shape and cooled with a cooling device to obtain a non-stretched sheet. This sheet was heated to 145°C and then stretched 5 times in the machine direction. (2) Mixture (B) of 50% by weight of polypropylene with MI4.0 and 50% by weight of calcium carbonate powder, and 50% by weight of polypropylene with MI4.0 and high-density polyethylene 8
% by weight and a mixture (C) of 42% by weight of calcium carbonate were melt-kneaded at 270°C using separate extruders, then each was fed to one die and laminated within the die, and then the above Both sides of the 5-fold longitudinally stretched sheet obtained in (1) were coextruded so that layer (C) was on the outside. Next, this five-layer laminate was heated to 185℃ and laterally
A five-layer film was obtained by stretching 7.5 times. (3) The front and back surfaces of this five-layer laminated film are treated with corona discharge, and the thickness of each film (C)/(B)/(A)/(B)/(C) is 3/17/40/17. A synthetic paper with a five-layer structure of /3 microns was obtained. After applying an aqueous coating solution having the composition shown in Table 1 to the front and back surfaces of this synthetic paper to a solid content of 0.05 g/m 2 , the aqueous coating solution was dried with warm air at 60°C.
The material was then cut into sheets in a room controlled at 30°C and relative humidity of approximately 70% to produce synthetic paper for printing. Using offset printing ink "TSP-400" (product name) manufactured by Toyo Ink Manufacturing Co., Ltd. and an offset 4-color printing machine manufactured by Komori Printing Machinery Co., Ltd., 4 colors ( Offset printing (black, blue, red, yellow) was performed, and the ink transferability, ink adhesion, continuous offset printing performance, and synthetic paper feed/discharge performance were evaluated using the following methods. The results are shown in Table 1. The temperature inside the factory building was 12±3°C, and the relative humidity was approximately 40%. Similarly, 10 days and 1 month after cutting, another room in the building (temperature 14
Printability was also evaluated on synthetic paper stored at 40% relative humidity. Method for evaluating printing performance: [Ink transferability] The halftone dot area of each color was magnified using a magnifying glass (30x), and the halftone dot reproducibility was visually judged. Halftone dot reproduction rate: 100-75% Good (○) 75-50% Slightly poor (△) 50-0% Poor (×) [Ink adhesion] Adhesive tape "Cello Tape" manufactured by Nichiban Co., Ltd. (product name) was brought into close contact with the printed surface, quickly peeled off along the printed surface, and the degree of ink removal from the paper surface was visually determined. Ink residual rate: 100-95% Good (○) 95-80% Slightly poor (△) 80-0% Poor (×) [Continuous offset printing performance] After printing 5000 sheets continuously, the ink pile on the blanket and the blanket The whiteness was compared with the state before printing. In addition, for the printed matter, the halftone dot reproducibility was visually determined by comparing the printed matter immediately after printing started and that after continuous printing. Blanket condition: Same as before printing (○) Slightly different (△) Largely different (×) Examples 2-3, Comparative Examples 1-3 Room conditions during cutting, antistatic agent composition, and storage conditions The offset printability of the synthetic paper obtained was evaluated in the same manner as in Example 1 except that the environmental conditions of the building were changed as shown in Table 1. The results are shown in Table 1. The components of the antistatic agent are as follows. (a) Water-soluble polyacrylic antistatic polymer “ST-1100 * ” manufactured by Mitsubishi Yuka Co., Ltd. (b) Ethyleneimine adduct of polyamine polyamide (Polymin SN, manufactured by BASF) (c) Epichlorohydrin adduct of water-soluble polyamine polyamide (“Kaimen 557H”, manufactured by Deitzk-Hercules)

【表】 実施例 4 合成紙をカツテイングする代りに、巻き取り、
これを温度20℃、相対湿度40%の部屋で1日保管
し、巻き戻してオフセツト印刷にかける他の実施
例1と同様に評価した。 合成紙のオフセツト印刷性は、実施例1と同等
であつた。
[Table] Example 4 Instead of cutting synthetic paper, winding,
This was stored in a room at a temperature of 20° C. and a relative humidity of 40% for one day, rewound and subjected to offset printing, and evaluated in the same manner as in Example 1. The offset printability of the synthetic paper was the same as in Example 1.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明を実施する装置の斜視図であ
る。 図中、Aは帯電防止剤コート樹脂フイルム、1
は湿度調整器、2は空調設備、3は部屋、4はエ
アーカーテン、5はナイフである。
FIG. 1 is a perspective view of an apparatus implementing the invention. In the figure, A is an antistatic agent coated resin film, 1
is a humidity regulator, 2 is an air conditioner, 3 is a room, 4 is an air curtain, and 5 is a knife.

Claims (1)

【特許請求の範囲】 1 帯電防止剤を表面に塗布、乾燥した樹脂フイ
ルムを部屋で巻き取るか、切断してシート状に重
ねる際に、部屋の雰囲気が、温度20〜45℃、相対
湿度が50%以上の条件を外れるときは、湿度調整
器、温度調整器の少くとも一方を用いて部屋の雰
囲気を20〜45℃の温度であつて、相対湿度が50%
以上である一定温度、一定湿度下の雰囲気下に調
整して巻き取るか、切断してシート状に重ねるこ
とを特徴とする樹脂フイルムの切断または巻取方
法。 2 帯電防止剤が第4級窒素原子含有アクリル系
ポリマーまたはポリエチレンイミンであることを
特徴とする特許請求の範囲第1項記載の方法。
[Claims] 1. When an antistatic agent is applied to the surface and the dried resin film is rolled up in a room or cut and stacked into sheets, the atmosphere in the room is such that the temperature is 20 to 45°C and the relative humidity is If the condition exceeds 50%, use at least one of a humidity controller and a temperature controller to adjust the room atmosphere to a temperature of 20 to 45°C and a relative humidity of 50%.
A method for cutting or winding a resin film, which is characterized in that it is adjusted to an atmosphere of a constant temperature and constant humidity and then wound or cut and stacked in a sheet form. 2. The method according to claim 1, wherein the antistatic agent is a quaternary nitrogen atom-containing acrylic polymer or polyethyleneimine.
JP71485A 1985-01-07 1985-01-07 Method of cutting or winding resin film Granted JPS61162449A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP71485A JPS61162449A (en) 1985-01-07 1985-01-07 Method of cutting or winding resin film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP71485A JPS61162449A (en) 1985-01-07 1985-01-07 Method of cutting or winding resin film

Publications (2)

Publication Number Publication Date
JPS61162449A JPS61162449A (en) 1986-07-23
JPH0515626B2 true JPH0515626B2 (en) 1993-03-02

Family

ID=11481426

Family Applications (1)

Application Number Title Priority Date Filing Date
JP71485A Granted JPS61162449A (en) 1985-01-07 1985-01-07 Method of cutting or winding resin film

Country Status (1)

Country Link
JP (1) JPS61162449A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0696418B2 (en) * 1985-01-31 1994-11-30 ダイアホイルヘキスト株式会社 Film winding method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5230390A (en) * 1975-09-03 1977-03-08 Hitachi Ltd Integrated circuit of the semiconductor
JPS5991033A (en) * 1982-11-15 1984-05-25 Unitika Ltd Method for taking up hygroscopic film

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5230390A (en) * 1975-09-03 1977-03-08 Hitachi Ltd Integrated circuit of the semiconductor
JPS5991033A (en) * 1982-11-15 1984-05-25 Unitika Ltd Method for taking up hygroscopic film

Also Published As

Publication number Publication date
JPS61162449A (en) 1986-07-23

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