JP3679554B2 - Heat sensitive stencil paper - Google Patents
Heat sensitive stencil paper Download PDFInfo
- Publication number
- JP3679554B2 JP3679554B2 JP18379397A JP18379397A JP3679554B2 JP 3679554 B2 JP3679554 B2 JP 3679554B2 JP 18379397 A JP18379397 A JP 18379397A JP 18379397 A JP18379397 A JP 18379397A JP 3679554 B2 JP3679554 B2 JP 3679554B2
- Authority
- JP
- Japan
- Prior art keywords
- heat
- stencil sheet
- sensitive stencil
- bleed
- porous support
- 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
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- 238000007639 printing Methods 0.000 claims description 17
- 230000002265 prevention Effects 0.000 claims description 15
- 229920001400 block copolymer Polymers 0.000 claims description 8
- 229920005992 thermoplastic resin Polymers 0.000 claims description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 7
- 229910052731 fluorine Inorganic materials 0.000 claims description 7
- 239000011737 fluorine Substances 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 239000000976 ink Substances 0.000 description 16
- 239000003921 oil Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000000740 bleeding effect Effects 0.000 description 6
- -1 polypropylene Polymers 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920006267 polyester film Polymers 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- 240000000907 Musa textilis Species 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007646 gravure printing Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- 244000198134 Agave sisalana Species 0.000 description 1
- 235000011624 Agave sisalana Nutrition 0.000 description 1
- KWIUHFFTVRNATP-UHFFFAOYSA-N Betaine Natural products C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229960003237 betaine Drugs 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Printing Plates And Materials Therefor (AREA)
- Laminated Bodies (AREA)
Description
【0001】
【発明の属する技術分野】
本発明は熱エネルギーにより穿孔製版される感熱孔版原紙に関し、詳しくは、印刷用インク中に含有される油や水が、未使用部にブリードするのを防止するためのブリード防止領域を設けた感熱孔版原紙に関する。
【0002】
【従来の技術】
従来の製版印刷装置は、ロール状の感熱孔版原紙に製版後、所定の寸法に切断して版胴に巻き付けて印刷した後、孔版原紙を版胴から取り出すという工程を経ていた。このため、孔版原紙を切断するためのカッター、原紙搬送手段、印刷後の孔版原紙を排出する排版手段等を必要とし、構造が複雑であった。
【0003】
このような従来の印刷機に代わるものとして、特開平9−95038号に開示されているような製版印刷装置が提案されている。これは、給版装置や排版装置を省略し、製版装置と印刷装置を一体化したものであり、孔版印刷機の軽量化、簡略化、コスト低減等を図ることができる。この製版印刷装置はロール状に卷き取られた孔版原紙の繰り出し部と、製版印刷後の孔版原紙を卷きとるための卷き取り部とがつながっている。したがって、使用中または使用済みの印刷用インクが付着した孔版原紙が、孔版原紙の未使用部とつながっていることになる。
【0004】
孔版印刷用インクは、揮発型インクと異なり、一般的に油中水滴型インクであるため、インク中には油と水が多く含まれており、インクの成分は紙等の中に浸透した後乾燥して定着する。このため、長時間放置するとインク中の油や水が毛細管現象により、未使用部に浸透する、いわゆるブリードという現象が起こる。未使用部は、穿孔製版するための熱エネルギーを加えるサーマルヘッドやプラテンロールなどと接触しているため、油や水によってこれらの部材が劣化することがある。また、付着した油や水の影響で製版性が損なわれたり、しわが入ったりして搬送性が損なわれるなどの問題点があった。さらに、ブリードによって孔版原紙の未使用部が汚染され、使用不能になることもあった。
【0005】
【発明が解決しようとする課題】
本発明は、上記問題点を解決するためになされたもので、製版性や孔版原紙の搬送性を損なうことなく、印刷用インクに含有されている油や水が、孔版原紙の未使用部にブリードするのを防止することが可能な感熱孔版原紙を提供することを目的とする。
【0006】
【課題を解決するための手段】
本発明の感熱孔版原紙は、多孔性支持体上に熱可塑性樹脂フィルムを積層してなり、熱可塑性樹脂フィルムを設けたのとは反対側の多孔性支持体上に、ブリード防止領域を長手方向に一定の周期で設けたことを特徴とする。
【0007】
本発明で使用する多孔性支持体は、インク透過性であればよく、従来の多孔性部材を使用することができる。特に、マニラ麻、サイザル麻等を主体とした和紙、合成繊維と麻とで混合抄紙とした和紙、不織布、スクリーン紗等が好ましいが、これらに限定されるものではない。また、この多孔性支持体として使用する部材の厚さは20〜200μmであることが好ましい。
【0008】
本発明で使用する熱可塑性樹脂フィルムとしては、塩化ビニリデン、塩化ビニル、塩化ビニル−塩化ビニリデン共重合体、ポリプロピレン、ポリエステル等のフィルムが挙げられるが、これらに限定されるものではない。特に、製版にあたって、熱エネルギーの供給源としてサーマルヘッドを使用して穿孔する場合、厚さ1〜5μm程度のポリエステルフィルムが好ましい。
【0009】
本発明のブリード防止領域の構成材料を鋭意検討した結果、本発明者は、含フッ素セグメントとアクリルセグメントからなるブロック共重合体(以下、「含フッ素ブロック共重合体」という。)を使用することが最も効果的であることを見いだした。この含フッ素ブロック共重合体としては、パーフロロアルキルアクリラートとメタクリル酸エステルとの共重合体等が挙げられる(押部義宏等、高分子論文集、第46巻、第2号、第89〜94ページ、1989年)。
【0010】
かかる含フッ素ブロック共重合体は、基材上に塗布することで撥水性、撥油性を発揮するが、これは含フッ素セグメントが表面で配列するためと考えられる。また、塗布された基材表面は摩擦力が低減するので、ブリード防止領域が搬送ローラーに引っかかって搬送性が劣るようなこともない。また、表面の粘着性が低下するため、ロール状に卷かれた孔版原紙同士が密着することを防止することもできる。
【0011】
ブリード防止領域は、熱可塑性樹脂フィルムを設けたのとは反対側の多孔性支持体上に、孔版原紙の長手方向(搬送される方向)に対して、孔版原紙の全幅で一定周期をもって設ける。この周期は印刷される対象のサイズ、たとえばA4,B4等の紙のサイズ等にもよるが、350〜700mmが好ましい。また、ブリード防止領域の幅は、3.0〜20.0mmであることが好ましい。また、ブリードを防止する機能を考慮して、含フッ素ブロック共重合体は乾燥後の単位m2当たりのg数(以下、「塗布量」という。)が2.0〜3.0g/m2であることが好ましい。
【0012】
【発明の実施の形態】
本発明の感熱孔版原紙は以下のようにして製造することができる。
厚さ20〜50μmのマニラ麻等を主体とした和紙のような多孔性支持体上に、厚さ約1〜5μmのポリエステルフィルム等の熱可塑性樹脂フィルムを、トルエンに溶解した塩素化ポリプロピレン樹脂溶液を用いて貼りあわせる。次に、熱可塑性樹脂フィルムを設けたのとは反対側の多孔性支持体上に、グラビア印刷方式で本発明にかかる含フッ素ブロック共重合体をコーティングする。たとえば、長手方向に450mm間隔の周期で10mm幅のブリード防止領域を設けるならば、直径約143.3mmのグラビアロールの横方向に、10mm幅で直線状に用紙の全幅で版を掘り印刷することで、感熱孔版原紙を製造することができる。なお、サーマルヘッドで製版する感熱孔版原紙の場合、製版時の熱によるべたつきを防止するため、多孔性支持体上のフィルム面に、シリコン樹脂またはフッ素樹脂等を含む溶液を、0.01〜0.5g/m2の塗布量となるように塗布し、乾燥させて耐熱層を形成することが好ましい。
【0013】
【実施例】
[実施例1]
厚さ約40μmのマニラ麻を主体とした和紙の上に、厚さ約1.8μmのポリエステルフィルムを、接着剤として前述の塩化ポリプロピレンの樹脂溶液を用いて貼りあわせた。そして、ポリエステルフィルムを設けたのとは反対側の和紙上に、希釈溶剤にメチルエチルケトンを使用したモディパーF200(含フッ素ブロック共重合体;日本油脂(株)製)の固形分30%液を、本実施例では下記評価試験に供するため、長手方向に周期120mm、幅10mm、用紙幅25mmの全幅で塗布量が2.0g/m2となるように、グラビア印刷方式でコーティングしてブリード防止領域を設け、本発明にかかる感熱孔版原紙を作成した。
【0014】
[比較例1]
モディパーF200の代わりに、サイマックUS−291(アクリル−シリコン系グラフト共重合体、固形分30%;東亜合成(株)製)を使用する以外は、実施例1と同様にして感熱孔版原紙を作成した。
【0015】
[比較例2]
モディパーF200の代わりに、ダイアロマーSP−203V(塩ビ−シリコン共重合体、固形分15%;大日精化工業(株)製)を使用する以外は、実施例1と同様にして感熱孔版原紙を作成した。
【0016】
[比較例3]
モディパーF200の代わりに、サーフロン S−131(パーフルオロアルキルベタイン、固形分30%;旭硝子(株)製)を使用する以外は、実施例1と同様にして感熱孔版原紙を作成した。
【0017】
[評価試験]
実施例1および比較例1、2、3で得られた感熱孔版原紙を、200mm幅で切断して短冊状にした。エスプリ21デジタル感熱孔版印刷機用インク(BH型粘度計、ローターNo.7、20rpmで約7,000cP;セイキ工業(株)製)10mlを、和紙側の面の中央に塗布したのち、下記2種類の条件にて恒温層中に、3日、7日、20日および40日静置し、塗布した位置からのブリードを観察した。
(条件1)
温度:20゜C
相対湿度:60%
(条件2)
温度:40゜C
相対湿度:30%
【0018】
[評価結果]
上記評価試験の結果を下記表に示す。
【表1】
上記表中、インクの成分が最初にブリード防止領域に接する部分で完全に止まっていた場合を○、ブリード防止領域内部までブリードしていたが、そこを越えてブリードが見られなかった場合を△、ブリード防止領域を越えてインクの成分がブリードしていた場合を×として表した。
【0019】
この結果から分かるように、実施例1のブリード防止領域を設けた感熱孔版原紙では、ブリード防止領域でインクの成分のブリードは完全に阻止されていた。一方、比較例1、2および3の感熱孔版原紙では、温度が20゜Cで3日間静置した場合のみ、ブリード防止領域内部でインクの成分が止まっていたが、他の条件ではブリード防止領域が機能していなかったことがわかる。
【0020】
【発明の効果】
本発明の感熱孔版原紙によれば、印刷用インクの成分が用紙の未使用部にブリードするのを完全に防止することができる。これにより、従来の感熱孔版原紙で生じていたような、ブリードによるサーマルヘッドやプラテンロール等の部材の劣化を防止することができ、また、ブリードによって生じる用紙の搬送性の低下や製版性の低下を生じることもない。したがって、感熱孔版印刷精度をつねに良好に保つことができる。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a heat-sensitive stencil sheet that is perforated by thermal energy, and more specifically, a heat-sensitive stencil provided with a bleed prevention region for preventing oil and water contained in a printing ink from bleeding into unused portions. It relates to stencil paper.
[0002]
[Prior art]
Conventional plate-making and printing apparatuses have undergone a process of making a roll-shaped heat-sensitive stencil sheet, cutting it to a predetermined size, winding it around a plate cylinder, printing it, and taking out the stencil sheet from the plate cylinder. For this reason, a cutter for cutting the stencil sheet, a stencil conveying means, a stencil discharging means for discharging the stencil sheet after printing, and the like are required, and the structure is complicated.
[0003]
As an alternative to such a conventional printing machine, a plate making printing apparatus as disclosed in JP-A-9-95038 has been proposed. In this method, the plate feeding device and the plate discharging device are omitted, and the plate making device and the printing device are integrated, and the stencil printing machine can be reduced in weight, simplified, and cost reduced. In this stencil printing apparatus, a stencil sheet feeding part that has been rolled up and a stencil sheeting part for separating the stencil sheet after stencil printing are connected. Therefore, the stencil sheet to which the printing ink that is being used or used is attached is connected to the unused portion of the stencil sheet.
[0004]
Unlike volatile inks, stencil printing inks are generally water-in-oil inks, so the ink contains a lot of oil and water, and the components of the ink penetrate into the paper. Dry and settle. For this reason, when it is left for a long time, a so-called bleed phenomenon occurs in which oil and water in the ink penetrate into the unused portion due to a capillary phenomenon. Since the unused portion is in contact with a thermal head, a platen roll, or the like that applies heat energy for perforating plate making, these members may be deteriorated by oil or water. In addition, there are problems such as impaired platemaking due to the effect of attached oil and water, and wrinkling and impaired transportability. In addition, the unused portion of the stencil paper may be contaminated by bleed and become unusable.
[0005]
[Problems to be solved by the invention]
The present invention has been made to solve the above problems, and without impairing the platemaking property and the transportability of the stencil sheet, the oil or water contained in the printing ink is applied to the unused part of the stencil sheet. An object of the present invention is to provide a heat-sensitive stencil sheet that can prevent bleeding.
[0006]
[Means for Solving the Problems]
The heat-sensitive stencil sheet of the present invention is formed by laminating a thermoplastic resin film on a porous support, and a bleed prevention region is provided in the longitudinal direction on the porous support opposite to the one provided with the thermoplastic resin film. It is characterized in that it is provided at a constant cycle.
[0007]
The porous support used in the present invention only needs to be ink permeable, and a conventional porous member can be used. In particular, Japanese paper mainly composed of Manila hemp, sisal hemp, etc., Japanese paper made by mixing synthetic fiber and hemp, non-woven fabric, screen wrinkles, etc. are preferable, but not limited thereto. Moreover, it is preferable that the thickness of the member used as this porous support body is 20-200 micrometers.
[0008]
Examples of the thermoplastic resin film used in the present invention include, but are not limited to, vinylidene chloride, vinyl chloride, vinyl chloride-vinylidene chloride copolymer, polypropylene, polyester, and the like. In particular, a polyester film having a thickness of about 1 to 5 μm is preferable when perforating using a thermal head as a heat energy supply source in plate making.
[0009]
As a result of intensive studies on the constituent materials of the bleed prevention region of the present invention, the present inventor uses a block copolymer composed of a fluorine-containing segment and an acrylic segment (hereinafter referred to as “fluorine-containing block copolymer”). Found the most effective. Examples of the fluorine-containing block copolymer include a copolymer of perfluoroalkyl acrylate and a methacrylate ester (Yoshihiro Oshibe et al., Polymer Journal, Vol. 46, No. 2, No. 89- 94 pages, 1989).
[0010]
Such a fluorinated block copolymer exhibits water repellency and oil repellency when applied on a substrate, which is considered because the fluorinated segments are arranged on the surface. In addition, since the frictional force is reduced on the coated substrate surface, the bleed prevention region is not caught by the conveyance roller and the conveyance performance is not deteriorated. Moreover, since the adhesiveness of the surface is lowered, it is also possible to prevent the stencil sheets that have been rolled into contact with each other.
[0011]
The bleed prevention region is provided on the porous support on the side opposite to that on which the thermoplastic resin film is provided, with a constant period over the entire width of the stencil sheet in the longitudinal direction (conveyed direction). Although this period depends on the size of the object to be printed, for example, the size of paper such as A4 and B4, 350 to 700 mm is preferable. Moreover, it is preferable that the width | variety of a bleed prevention area | region is 3.0-20.0 mm. In consideration of the function of preventing bleeding, the fluorine-containing block copolymer has a g number per unit m 2 after drying (hereinafter referred to as “coating amount”) of 2.0 to 3.0 g / m 2. It is preferable that
[0012]
DETAILED DESCRIPTION OF THE INVENTION
The heat-sensitive stencil sheet of the present invention can be produced as follows.
A chlorinated polypropylene resin solution in which a thermoplastic resin film such as a polyester film having a thickness of about 1 to 5 μm is dissolved in toluene on a porous support such as Japanese paper mainly composed of Manila hemp having a thickness of 20 to 50 μm. Use and paste together. Next, the fluorine-containing block copolymer according to the present invention is coated on the porous support opposite to the one provided with the thermoplastic resin film by a gravure printing method. For example, if a bleed prevention region having a width of 10 mm is provided in the longitudinal direction at intervals of 450 mm, a plate is dug and printed in the lateral direction of a gravure roll having a diameter of about 143.3 mm in a straight line with a width of 10 mm. Thus, a heat-sensitive stencil sheet can be produced. In the case of heat-sensitive stencil sheet making with a thermal head, in order to prevent stickiness due to heat during plate making, a solution containing a silicon resin or a fluororesin on the film surface on the porous support is 0.01 to 0. It is preferable that the heat-resistant layer is formed by applying the solution in an amount of 0.5 g / m 2 and drying it.
[0013]
【Example】
[Example 1]
A polyester film having a thickness of about 1.8 μm was bonded to a Japanese paper mainly composed of Manila hemp having a thickness of about 40 μm using the above-described resin solution of polypropylene chloride as an adhesive. Then, a 30% solid content solution of MODIPER F200 (fluorine-containing block copolymer; manufactured by Nippon Oil & Fats Co., Ltd.) using methyl ethyl ketone as a diluting solvent is placed on the opposite side of the Japanese paper provided with the polyester film. In the examples, in order to be used for the following evaluation test, the bleed prevention region is coated by a gravure printing method so that the coating amount is 2.0 g / m 2 with a full width of 120 mm in the longitudinal direction, a width of 10 mm, and a paper width of 25 mm. A heat-sensitive stencil sheet according to the present invention was prepared.
[0014]
[Comparative Example 1]
A heat-sensitive stencil sheet was prepared in the same manner as in Example 1 except that Cymac US-291 (acrylic-silicone graft copolymer, solid content 30%; manufactured by Toa Gosei Co., Ltd.) was used instead of Modiper F200. did.
[0015]
[Comparative Example 2]
A heat-sensitive stencil sheet was prepared in the same manner as in Example 1 except that dialomer SP-203V (vinyl chloride-silicone copolymer, solid content 15%; manufactured by Dainichi Seika Kogyo Co., Ltd.) was used instead of Modiper F200. did.
[0016]
[Comparative Example 3]
A heat-sensitive stencil sheet was prepared in the same manner as in Example 1 except that Surflon S-131 (perfluoroalkyl betaine, solid content 30%; manufactured by Asahi Glass Co., Ltd.) was used instead of Modiper F200.
[0017]
[Evaluation test]
The heat-sensitive stencil sheets obtained in Example 1 and Comparative Examples 1, 2, and 3 were cut into 200 mm widths to form strips. After applying 10 ml of Esprit 21 digital thermal stencil printing ink (BH viscometer, rotor No. 7, approximately 7,000 cP at 20 rpm; manufactured by Seiki Kogyo Co., Ltd.) to the center of the Japanese paper side, the following 2 It was allowed to stand for 3, 7, 20, and 40 days in a constant temperature layer under various conditions, and bleeding from the applied position was observed.
(Condition 1)
Temperature: 20 ° C
Relative humidity: 60%
(Condition 2)
Temperature: 40 ° C
Relative humidity: 30%
[0018]
[Evaluation results]
The results of the evaluation test are shown in the following table.
[Table 1]
In the table above, the case where the ink component completely stopped at the part that first contacted the bleed prevention region was ◯, and the case where the bleed was observed up to the inside of the bleed prevention region but the bleed was not seen beyond that △ The case where the ink component bleeds beyond the bleed prevention region was represented as x.
[0019]
As can be seen from the results, in the heat-sensitive stencil sheet provided with the bleed prevention area of Example 1, the bleeding of the ink components was completely prevented in the bleed prevention area. On the other hand, in the heat-sensitive stencil sheets of Comparative Examples 1, 2, and 3, the ink components stopped inside the bleed prevention region only when left at a temperature of 20 ° C. for 3 days. You can see that was not working.
[0020]
【The invention's effect】
According to the heat-sensitive stencil sheet of the present invention, it is possible to completely prevent the printing ink components from bleeding into the unused portion of the paper. As a result, it is possible to prevent deterioration of members such as a thermal head and a platen roll due to bleed, which has occurred with conventional heat-sensitive stencil sheets, and also deterioration of paper transportability and platemaking caused by bleed. Will not occur. Therefore, the thermal stencil printing accuracy can always be kept good.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18379397A JP3679554B2 (en) | 1997-07-09 | 1997-07-09 | Heat sensitive stencil paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18379397A JP3679554B2 (en) | 1997-07-09 | 1997-07-09 | Heat sensitive stencil paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1128872A JPH1128872A (en) | 1999-02-02 |
| JP3679554B2 true JP3679554B2 (en) | 2005-08-03 |
Family
ID=16142031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18379397A Expired - Fee Related JP3679554B2 (en) | 1997-07-09 | 1997-07-09 | Heat sensitive stencil paper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3679554B2 (en) |
-
1997
- 1997-07-09 JP JP18379397A patent/JP3679554B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1128872A (en) | 1999-02-02 |
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