JP2003336198A - Method for producing release paper - Google Patents
Method for producing release paperInfo
- Publication number
- JP2003336198A JP2003336198A JP2002147290A JP2002147290A JP2003336198A JP 2003336198 A JP2003336198 A JP 2003336198A JP 2002147290 A JP2002147290 A JP 2002147290A JP 2002147290 A JP2002147290 A JP 2002147290A JP 2003336198 A JP2003336198 A JP 2003336198A
- Authority
- JP
- Japan
- Prior art keywords
- paper
- release
- permeation
- release agent
- agent layer
- 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.)
- Granted
Links
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Paper (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、剥離紙の製造方法に関
し、特に、用紙の少なくとも一面側に部分的に剥離剤を
設けてなる剥離紙の製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing release paper, and more particularly to a method for producing release paper in which a release agent is partially provided on at least one side of paper.
【０００２】[0002]
【従来の技術】従来から、用紙の少なくとも一面側に部
分的に剥離剤層を形成してなる剥離紙は知られている。
一般に、剥離紙においては、用紙に剥離剤が浸透するの
を防止するために、浸透防止剤層を形成した上に、剥離
剤層を形成している。浸透防止剤としては、ポリエチレ
ンなどの樹脂を使用しており、これをラミネートしたり
塗工しているのが通常である。そして、従来の部分的に
剥離剤層を形成してなる剥離紙にあっては、技術的な問
題から前記浸透防止剤層を用紙の全面に形成している。2. Description of the Related Art Conventionally, a release paper is known in which a release agent layer is partially formed on at least one surface side of a paper.
Generally, in release paper, in order to prevent the release agent from penetrating into the paper, the release agent layer is formed on top of the penetration inhibitor layer. A resin such as polyethylene is used as the permeation-preventing agent, which is usually laminated or coated. In the conventional release paper in which the release agent layer is partially formed, the penetration preventive agent layer is formed on the entire surface of the paper due to technical problems.
【０００３】近年、この種の剥離紙における剥離剤層設
置面側に情報を表示する必要性が生じている。例えば、
剥離紙の部分剥離剤層上に粘着剤を塗布して貼付票を貼
り合わせてなる配送伝票において、前記貼付票を配送品
に貼付した後、前記剥離紙を領収書の半券として利用す
る場合がある。この場合には、剥離紙の剥離剤層部分
は、筆記性や印刷適性、あるいは印字適性の点で情報の
表示が困難なので、非剥離剤層部分、すなわち浸透防止
剤層露出部分を半券とし、ここに領収書として必要な事
項をあらかじめ印刷しておき、領収時に金額や領収日を
適宜な筆記用具で記入し、領収印を捺印しているのが通
常である。In recent years, it has become necessary to display information on the release agent layer installation surface side of this type of release paper. For example,
When using the release paper as a stub for receipt after affixing the sticky note to a delivery item in a delivery slip in which an adhesive is applied on the partial release agent layer of the release paper and the sticky notes are stuck together There is. In this case, since the release agent layer portion of the release paper is difficult to display information in terms of writability, printability, or printability, the non-release agent layer portion, that is, the exposed portion of the permeation-preventing agent layer is used as a stub. It is usual to print the necessary items as a receipt here in advance, enter the amount and date of receipt at the time of receipt with an appropriate writing tool, and stamp the receipt stamp.
【０００４】[0004]
【発明が解決しようとする課題】ところが、浸透防止剤
層は、溶剤バリヤー性が高いためにインキセットが遅
く、印刷適性や印字適性の点で良好とはいえないもので
ある。例えば、前記浸透防止剤層に対するインキジェッ
トインキによる印字では、インキが滲んでしまい、判読
することが困難である。一方、印刷適性や印字適性を改
善するために溶剤バリヤー性を低下させた場合には、剥
離剤を多量に塗工しなければならず、コスト的に採算が
とれないとともに、剥離力が必要以上に高まってしま
い、実用化が困難となる。However, the permeation-preventing agent layer is slow in ink setting because of its high solvent barrier property, and is not good in terms of printability and printability. For example, when printing with an ink jet ink on the permeation-preventing agent layer, the ink bleeds and is difficult to read. On the other hand, when the solvent barrier property is lowered in order to improve printability or printability, a large amount of a release agent must be applied, which is not profitable in terms of cost and requires more release force than necessary. It becomes difficult to put it into practical use.
【０００５】このため従来においては、インキや方式を
限定した印刷あるいは印字で対応したり、手書きにおい
ても使用する筆記用具を限定し、また、捺印する場合に
も朱肉を限定して対応するなど、極めて限られた条件下
でのみ情報表示が可能であるという不都合がある。本発
明はこのような不都合を解消することを目的とし、印刷
適性、印字適性、筆記性、捺印性に優れた、部分的に剥
離剤層を形成してなる剥離紙の製造方法を提供するもの
である。For this reason, in the past, printing or printing with limited inks and methods was used, writing instruments used for handwriting were also limited, and when printing was done, red ink was also limited. There is an inconvenience that information can be displayed only under extremely limited conditions. The present invention aims at eliminating such inconvenience, and provides a method for producing a release paper which is excellent in printability, printability, writability, and imprintability and in which a release agent layer is partially formed. Is.
【０００６】[0006]
【課題を解決するための手段】この目的を達成するため
に本発明の請求項１に記載した剥離紙の製造方法は、用
紙の少なくとも一面側に部分的に剥離剤層を設けてなる
剥離紙の製造方法であって、浸透防止剤を塗工するダイ
塗工ヘッドの吹き出し口を連続状態にある用紙の移送経
路に対向配置するとともに、前記吹き出し口における用
紙の剥離剤設置予定部分に対応する部分以外は閉鎖状態
とすることにより、用紙を移送しながら用紙の剥離剤設
置予定部分に対応して浸透防止剤を塗工して浸透防止剤
層を形成した後、この浸透防止剤層上に剥離剤を塗工し
て部分的に剥離剤層を形成し、さらに用紙を所定サイズ
に裁断するものである。In order to achieve this object, a method for manufacturing a release paper according to claim 1 of the present invention is a release paper in which a release agent layer is partially provided on at least one surface side of the paper. Of the die coating head for coating the permeation-preventing agent, the blow-out port is arranged to face the transfer path of the paper in a continuous state, and the release-portion of the paper at the blow-out port is planned to be installed. By closing the parts other than the part, while the paper is being transferred, a permeation preventive agent is applied to the part of the paper where the release agent is planned to be installed to form a permeation preventive agent layer, and then on this permeation preventive agent layer. A release agent is applied to partially form a release agent layer, and the paper is cut into a predetermined size.
【０００７】また、本発明の請求項２に記載の剥離紙の
製造方法は、上記請求項１の構成において、浸透防止剤
は、ポバール類、アクリルエマルジョン類、ＳＢＲラテ
ックス類、デンプン類から選ばれる水系の浸透防止剤を
主体とすることを特徴とするものである。Further, in the method for producing a release paper according to claim 2 of the present invention, in the constitution of claim 1, the penetration inhibitor is selected from povals, acrylic emulsions, SBR latexes and starches. It is characterized by mainly comprising a water-based penetration inhibitor.
【０００８】さらに、本願発明の請求項３に記載の剥離
紙の製造方法は、上記請求項２の構成において、すなわ
ち、上記請求項１の構成において水系の浸透防止剤を使
用した場合に、水系の浸透防止剤の非塗工部分に対し
て、塗工面とは反対面側から、スポンジあるいは噴霧な
どにより水分を付着させて用紙の水分均等化を図った
後、乾燥して、浸透防止剤層を形成することを特徴とす
るFurther, in the method for producing a release paper according to claim 3 of the present invention, in the case of the constitution of claim 2, that is, when the water-based permeation preventive agent is used in the constitution of claim 1, an aqueous system is used. The non-penetration preventive agent layer is applied to the non-coated portion of the non-penetration preventive agent from the side opposite to the coated surface with a sponge or spray to equalize the water content of the paper, and then dried to obtain the permeation preventive agent layer. To form
【０００９】[0009]
【発明の実施の形態】以下、本発明の好適な実施形態を
添付図面に基づいて詳細に説明する。ここにおいて、図
１は連続用紙に浸透防止剤層を部分的に塗工する状態を
示す概略的な斜視図、図２は製造した剥離紙を示す概略
的な断面図、図３は品質評価の対象としたタック紙の断
面図、図４は品質評価の結果を示す比較表である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Here, FIG. 1 is a schematic perspective view showing a state in which a permeation preventive agent layer is partially applied to continuous paper, FIG. 2 is a schematic sectional view showing a release paper produced, and FIG. A cross-sectional view of the targeted tack paper, and FIG. 4 is a comparison table showing the results of quality evaluation.
【００１０】本発明に使用する用紙は、連続状態にあ
り、通常ロール状に巻回した坪量３０ｇ／ｍ２から２０
０ｇ／ｍ２の原紙が好適であり、上質紙、微塗工紙、塗
工紙、クラフト紙、片つや紙などから選択すればよく、
紙の種類は特に限定されるものではない。また、剥離剤
としては、シリコン系剥離剤、非シリコン系剥離剤、圧
着ニスなどを挙げることができる。さらに、浸透防止剤
としては、水系に限定されないが、ポバール水溶液、ア
クリルエマルジョン液、ＳＢＲラテックス水溶液、デン
プン水溶液などが好適である。この浸透防止剤には、必
要に応じて、その他の樹脂やクレーなどの顔料を添加す
ることができる。なお、浸透防止剤の塗工量は、要求さ
れる溶剤バリヤー性に応じて適宜決定するが、０．５ｇ
／ｍ２から１０ｇ／ｍ２の範囲が好適である。The paper used in the present invention is in a continuous state, and is usually wound in a roll shape and has a basis weight of 30 g / m 2 to 20 g.
A base paper of 0 g / m 2 is suitable, and it may be selected from high-quality paper, lightly coated paper, coated paper, kraft paper, plain paper, etc.,
The type of paper is not particularly limited. Moreover, as the release agent, a silicon-based release agent, a non-silicon-based release agent, a pressure-sensitive varnish and the like can be mentioned. Further, the permeation preventive agent is not limited to an aqueous system, but is preferably a Poval aqueous solution, an acrylic emulsion solution, an SBR latex aqueous solution, a starch aqueous solution, or the like. If necessary, other resin or pigment such as clay can be added to the penetration inhibitor. The coating amount of the permeation-preventing agent is appropriately determined according to the required solvent barrier property, but is 0.5 g.
A range from / m 2 to 10 g / m 2 is preferred.
【００１１】本発明においては、まず、浸透防止剤を塗
工するダイ塗工ヘッドの吹き出し口を連続用紙の移送経
路に対向配置するとともに、前記吹き出し口における前
記連続用紙の剥離剤設置予定部分に対応する部分以外は
閉鎖状態とすることにより、前記連続用紙の剥離剤設置
予定部分に対応して浸透防止剤を塗工して浸透防止剤層
を形成する。前記吹き出し口における前記連続用紙の剥
離剤設置予定部分に対応する部分以外を閉鎖状態とする
には、例えば、封鎖する幅に対応する幅のデュッケルを
ダイ塗工ヘッド内にセットしたり（図１参照）、あるい
は、封鎖する幅に対応する幅のフィルムで前記吹き出し
口を封鎖すればよい。なお、連続用紙の移送は、移送ロ
ーラなどの公知の移送手段を用いて行うことができる。In the present invention, first, the blow-out port of the die coating head for coating the permeation-preventing agent is arranged so as to face the transfer path of the continuous paper, and at the portion where the release agent of the continuous paper is to be installed in the blow-out port. The permeation-preventing agent layer is formed by coating the permeation-preventing agent corresponding to the portion where the release agent is to be installed on the continuous paper by setting the closed state except the corresponding portion. In order to close the portion other than the portion corresponding to the release agent installation planned portion of the continuous paper in the blowout port, for example, a duckel having a width corresponding to the sealing width is set in the die coating head (see FIG. 1). (See), or the film may be closed with a film having a width corresponding to the width to be closed. The continuous paper can be transferred by using a known transfer unit such as a transfer roller.
【００１２】また、連続用紙の厚みなどにもよるが、水
系の浸透防止剤を塗工後に乾燥する過程で、この浸透防
止剤の塗工部分と非塗工部分の伸縮の差でシワを生じる
場合がある。このような現象を防止するには、非塗工部
分の裏面側からスポンジなどでスポット的に水付けを行
ったり、水を噴霧して、水系の浸透防止剤を塗工する部
分との水分のバランスを取ればよいものである。また、
前述のシワが些少の場合には、キャレンダーによってシ
ワを解消するとともに、平滑性を向上させることができ
る。Further, depending on the thickness of the continuous paper and the like, wrinkles occur due to the difference in expansion and contraction between the coated portion and the non-coated portion of the permeation-preventing agent in the process of drying after coating the water-based permeation-preventing agent. There are cases. In order to prevent such a phenomenon, water is spotted from the back side of the non-coated part with a sponge, etc., or water is sprayed to prevent the water content of the part to be coated with the water-based penetration inhibitor. All you have to do is balance. Also,
When the aforementioned wrinkles are insignificant, the calender can eliminate the wrinkles and improve the smoothness.
【００１３】続いて、この浸透防止剤層上に剥離剤を塗
工して部分的に剥離剤層を形成するのであるが、剥離剤
の塗工方法としては、グラビア方式、オフセット方式、
オフセットグラビア方式など、従来公知の部分塗工でき
る方式を採用することができる。Subsequently, a release agent is applied on the permeation-preventing agent layer to partially form the release agent layer. The release agent is applied by a gravure method, an offset method,
A conventionally well-known partial coating method such as an offset gravure method can be adopted.
【００１４】以下、２００ｍｍ幅の剥離紙の一面に、そ
の半分を占めるように１００ｍｍ幅の剥離剤層を設ける
場合の製造方法について、より具体的に説明する。図１
に示すように、幅が１２００ｍｍで坪量１１０ｇ／ｍ２
の上質紙からなる連続用紙１の移送経路に対して、ダイ
塗工ヘッド２を対向配置し、その吹き出し口３に、一端
側から１００ｍｍ幅のデュッケル４を剥離剤層非設置部
分に対応するよう１００ｍｍ間隔をおいて５個セット
し、他端側には２００ｍｍ幅のデュッケル４ａを１個セ
ットする。これによって、剥離剤層設置部分に対応する
１００ｍｍ幅の部分が５箇所、開口状態となった吹き出
し口３となる。The manufacturing method in the case of providing a 100 mm wide release agent layer so as to occupy half of the 200 mm wide release paper will be described in more detail below. Figure 1
, The width is 1200 mm and the basis weight is 110 g / m 2.
The die coating head 2 is disposed so as to face the transfer path of the continuous paper 1 made of high-quality paper, and the duckel 4 having a width of 100 mm from one end side corresponds to the release agent layer non-installed portion at the blowout port 3 thereof. Five pieces are set at intervals of 100 mm, and one duckel 4a having a width of 200 mm is set on the other end side. As a result, there are five 100 mm wide portions corresponding to the release agent layer installation portion, and the air outlet 3 is in an open state.
【００１５】ダイ塗工ヘッド２の１００ｍｍ間隔で開口
した吹き出し口３から、固形濃度１０％のポバール水溶
液（商品名クラレポバールＰＶＡ１１７の水溶液）を吹
き出し圧５Ｋｇ／ｃｍ２、塗工速度１５０ｍ／ｍｉｎ、
前記ヘッド２と連続用紙１との間隔１８ミクロンで、塗
工量２０ｃｃ／ｍ２になるよう塗工した。また、この塗
工後に施す乾燥工程の前に、連続用紙１の塗工面とは反
対面側における非塗工部分に対応する部分に、水噴霧を
行ってポバール水溶液の塗工部分と非塗工部分の水分均
等化を図り、乾燥工程でシワが生じないようにした。そ
して乾燥後には、ロール温度８０°Ｃ、１ニップ、ニッ
プ圧１００Ｋｇ／ｃｍ２の条件でキャレンダー掛けを行
った。A povar aqueous solution having a solid concentration of 10% (an aqueous solution of Kuraray Poval PVA117) having a solid concentration of 10% is blown from a blow-out port 3 opened at intervals of 100 mm of a die coating head 5 kg / cm 2 , a coating speed of 150 m / min,
The distance between the head 2 and the continuous paper 1 was 18 μm, and the coating amount was 20 cc / m 2 . Further, before the drying step performed after this coating, water is sprayed on a portion corresponding to the non-coated portion on the side opposite to the coated surface of the continuous paper 1 to form the non-coated portion of the aqueous solution of Poval. The water content of the part was equalized so that wrinkles did not occur in the drying process. After drying, calendering was performed under the conditions of a roll temperature of 80 ° C., a nip, and a nip pressure of 100 Kg / cm 2 .
【００１６】このようにして、１００ｍｍの等間隔をお
いて１００ｍｍ幅の浸透防止剤層５を５箇所に塗工した
連続用紙１に、グラビア塗工方式で１００ｍｍ彫刻、１
００ｍｍプレーンの繰り返しで作成したグラビアを使っ
て、前記各浸透防止剤層５上に彫刻部が対応するよう調
整して、剥離剤としてのシリコン（東レ・ダウ・コーニ
ングシリコン株式会社製、ＳＲＸ−３５７）を、塗工量
０．５ｇ／ｍ２で塗工した。次いで、１２００ｍｍ幅の
連続用紙１を、１００ｍｍ幅の剥離剤層６と１００ｍｍ
幅の非塗工面６からなる２００ｍｍ幅に裁断し、連続状
態の５枚の剥離紙７を製造した（図２参照）。In this way, the continuous paper 1 coated with the penetration preventive agent layer 5 having a width of 100 mm at five equal intervals at 100 mm is engraved with 100 mm by the gravure coating method.
Using a gravure prepared by repeating a 00 mm plane, the engraving portion is adjusted so as to correspond to each of the permeation-preventing agent layers 5, and silicon as a release agent (Toray Dow Corning Silicon Co., Ltd., SRX-357) is used. ) Was coated at a coating amount of 0.5 g / m 2 . Next, the continuous paper 1 having a width of 1200 mm is combined with the release agent layer 6 having a width of 100 mm and 100 mm.
The uncoated surface 6 having a width of 200 mm was cut into five continuous release sheets 7 (see FIG. 2).
【００１７】続いて、剥離紙７の品質評価を行うため
に、図３に示すように、１枚の剥離紙７の剥離剤層６上
に、エマルジョン糊を固形で２０ｇ／ｍ２になるよう塗
工して粘着剤層８を形成した後、この粘着剤層８上に幅
１００ｍｍで坪量４０ｇ／ｍ２の上質紙９を重ねて貼り
合わせ、所定長に裁断してタック紙１０を作成した。ま
た、このタック紙１０と比較するために、同一サイズ
で、用紙全面にポリエチレンを１５ミクロンの厚みでラ
ミネートしたタック紙（比較例１）と、同じく同一サイ
ズで、用紙全面に上述と同一の浸透防止剤層を形成した
タック紙（比較例２）を作成した。Subsequently, in order to evaluate the quality of the release paper 7, as shown in FIG. 3, the emulsion paste is solidified on the release agent layer 6 of one release paper 7 to 20 g / m 2. After forming the pressure-sensitive adhesive layer 8 by coating, a high-quality paper 9 having a width of 100 mm and a basis weight of 40 g / m 2 is laminated on the pressure-sensitive adhesive layer 8 and cut to a predetermined length to prepare tack paper 10. did. In addition, in order to compare with this tack paper 10, a tack paper (Comparative Example 1) of the same size in which polyethylene is laminated to a thickness of 15 μm on the entire surface of the paper, and the same size and the same penetration as described above to the entire surface of the paper. A tack paper (Comparative Example 2) on which an inhibitor layer was formed was prepared.
【００１８】そして、これらタック紙を剥離力、印刷適
性、筆記適性、捺印適性、インキジェット印字適性の５
項目について品質評価を行った。その結果を表にして図
４に示す。ここで、◎は極めて良好、○は良好、△はや
や劣る、×は極めて劣る、という評価を表すものであ
る。この評価結果で理解できるように、本願のタック紙
１０はすべての項目で良好以上の評価となったが、比較
例１では剥離力以外の各項目で極めて劣るという評価で
あり、また、比較例２では捺印適性でやや劣り、インク
ジェット印字適性で極めて劣るという評価であった。These tack papers have peel strength, printing suitability, writing suitability, marking suitability, and ink jet printing suitability.
The quality of each item was evaluated. The results are tabulated and shown in FIG. Here, ⊚ represents extremely good, ∘ is good, Δ is slightly inferior, and x is extremely inferior. As can be understood from this evaluation result, the tack paper 10 of the present application was evaluated as good or better in all items, but in Comparative Example 1, it was extremely inferior in each item other than the peeling force. In No. 2, the marking suitability was slightly inferior, and the inkjet printing suitability was extremely poor.
【００１９】なお、本発明は上述した実施形態に限定さ
れるものではなく、例えば、浸透防止剤は水系以外のも
のを使用でき、この場合には、水分の均等化を図る必要
はない。また、デュッケル４，４ａの幅や数、あるいは
設置間隔は、連続用紙１の幅や剥離剤層設置部分の幅な
どに応じて適宜設定される。さらに、ダイ塗工ヘッド２
の吹き出し口３を閉鎖する手段は前記デュッケル４，４
ａに限らない。The present invention is not limited to the above-described embodiment. For example, the permeation-preventing agent may be other than water-based one, and in this case, it is not necessary to equalize the water content. Further, the width and number of the duckels 4, 4a, or the installation interval are appropriately set according to the width of the continuous paper 1, the width of the release agent layer installation portion, and the like. Furthermore, the die coating head 2
The means for closing the outlet 3 of the
Not limited to a.
【００２０】[0020]
【発明の効果】以上説明したところで明らかなように、
本願請求項１に係る剥離紙の製造方法によれば、良好な
剥離力を有することはもちろん、従来得ることができな
かった良好な印刷適性、筆記適性、捺印適性、インキジ
ェット印字適性を有する、部分的に剥離剤層を設けた剥
離紙を得ることができるという効果を奏する。As is apparent from the above description,
According to the method for producing a release paper according to claim 1 of the present application, it has not only a good release force, but also good printability, writing suitability, imprintability, and ink jet printability that could not be obtained conventionally. The release paper having the release agent layer partially provided can be obtained.
【００２１】また、本願請求項２に係る剥離紙の製造方
法によれば、上述の効果に加えて、水系の浸透防止剤を
用いるので、塗工作業を効率的になし得るという効果を
奏する。Further, according to the method for producing a release paper according to claim 2 of the present application, in addition to the above-mentioned effect, since the water-based penetration inhibitor is used, there is an effect that the coating operation can be efficiently performed.
【００２２】さらに、本願請求項３に係る剥離紙の製造
方法によれば、上述の本願請求項１による効果に加え
て、水系の浸透防止剤を用いた場合に生ずることのある
シワの発生を防止できるという効果を奏する。Furthermore, according to the method for producing a release paper according to claim 3 of the present application, in addition to the effect according to claim 1 of the present application, the occurrence of wrinkles that may occur when an aqueous penetration inhibitor is used. The effect is that it can be prevented.
【図１】連続用紙に浸透防止剤層を部分的に塗工する状
態を示す概略的な斜視図。FIG. 1 is a schematic perspective view showing a state in which a permeation preventive agent layer is partially applied to continuous paper.
【図２】製造した剥離紙を示す概略的な断面図。FIG. 2 is a schematic sectional view showing a manufactured release paper.
【図３】品質評価の対象としたタック紙の断面図。FIG. 3 is a cross-sectional view of tack paper subjected to quality evaluation.
【図４】品質評価の結果を示す比較表。FIG. 4 is a comparison table showing the results of quality evaluation.
１ 連続用紙 ２ ダイ塗工ヘッド ３ 吹き出し口 ４，４ａ デュッケル ５ 浸透防止剤層 ６ 剥離剤層 ７ 剥離紙 ８ 粘着剤層 ９ 上質紙 １０ タック紙 1 continuous paper 2 die coating head 3 outlet 4,4a Duckel 5 Penetration inhibitor layer 6 Release agent layer 7 Release paper 8 Adhesive layer 9 fine paper 10 tack paper
───────────────────────────────────────────────────── フロントページの続き (72)発明者 鈴木 光孝 東京都中央区日本橋兜町12番７号 シノム ラ化学工業株式会社内 (72)発明者 重見 一臣 東京都千代田区神田駿河台１丁目６番地 トッパン・フォームズ株式会社内 Ｆターム(参考） 4D075 AC02 AC72 AC93 AE04 BB24Z BB79Y CA07 CA35 DA04 DB18 DC27 EA06 EA07 EA13 EB07 EB12 EB14 EB19 EB22 4L055 AG47 AG63 AG64 AG71 AG76 AG86 AG89 AH37 AH38 AH50 AJ01 AJ02 BE09 BE20 FA11 FA15 GA43 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Mitsutaka Suzuki 12-7 Nihonbashi Kabutocho, Chuo-ku, Tokyo La Chemical Industry Co., Ltd. (72) Inventor Kazumi Shigemi 1-6 Surugadai Kanda, Chiyoda-ku, Tokyo Toppan Forms Co., Ltd. F-term (reference) 4D075 AC02 AC72 AC93 AE04 BB24Z BB79Y CA07 CA35 DA04 DB18 DC27 EA06 EA07 EA13 EB07 EB12 EB14 EB19 EB22 4L055 AG47 AG63 AG64 AG71 AG76 AG86 AG89 AH37 AH38 AH50 AJ01 AJ02 BE09 BE20 FA11 FA15 GA43
Claims (3)
剤層を設けてなる剥離紙の製造方法であって、浸透防止
剤を塗工するダイ塗工ヘッドの吹き出し口を連続状態に
ある用紙の移送経路に対向配置するとともに、前記吹き
出し口における用紙の剥離剤設置予定部分に対応する部
分以外は閉鎖状態とすることにより、用紙を移送しなが
ら用紙の剥離剤設置予定部分に対応して浸透防止剤を塗
工して浸透防止剤層を形成した後、この浸透防止剤層上
に剥離剤を塗工して部分的に剥離剤層を形成し、さらに
用紙を所定サイズに裁断することを特徴とする剥離紙の
製造方法。1. A method for producing a release paper in which a release agent layer is partially provided on at least one surface side of the paper, wherein the outlet of a die coating head for applying a penetration inhibitor is in a continuous state. The sheet is placed so as to face the transfer path of the sheet and the parts other than the portion corresponding to the planned release agent installation portion of the paper in the blowout port are closed, so that the sheet penetrates corresponding to the planned release agent installation portion of the paper while being transferred. After coating the inhibitor to form the permeation-preventing agent layer, apply a release agent on the permeation-preventing agent layer to partially form the release agent layer, and then cut the paper into a predetermined size. A method for producing a release paper having the characteristics.
マルジョン類、ＳＢＲラテックス類、デンプン類から選
ばれる水系の浸透防止剤を主体とすることを特徴とする
前記請求項１に記載の剥離紙の製造方法。2. The release paper of claim 1, wherein the permeation-preventing agent is mainly an aqueous permeation-preventing agent selected from Povals, acrylic emulsions, SBR latexes and starches. Production method.
面とは反対面側から水分を付着させて用紙の水分均等化
を図った後、乾燥して、浸透防止剤層を形成することを
特徴とする前記請求項２に記載の剥離紙の製造方法。3. A permeation-preventing agent layer is formed by adhering moisture to the non-coated portion of a water-based permeation-preventing agent from the side opposite to the coated surface to equalize the water content of the paper and then dry the paper. The release paper manufacturing method according to claim 2, wherein the release paper is manufactured.
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|---|---|---|---|
| JP2002147290A JP4064725B2 (en) | 2002-05-22 | 2002-05-22 | Release paper manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002147290A JP4064725B2 (en) | 2002-05-22 | 2002-05-22 | Release paper manufacturing method |
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|---|---|
| JP2003336198A true JP2003336198A (en) | 2003-11-28 |
| JP4064725B2 JP4064725B2 (en) | 2008-03-19 |
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