JPH0672022A - Thermal recording medium for label and winder thereof - Google Patents

Thermal recording medium for label and winder thereof

Info

Publication number
JPH0672022A
JPH0672022A JP4230510A JP23051092A JPH0672022A JP H0672022 A JPH0672022 A JP H0672022A JP 4230510 A JP4230510 A JP 4230510A JP 23051092 A JP23051092 A JP 23051092A JP H0672022 A JPH0672022 A JP H0672022A
Authority
JP
Japan
Prior art keywords
recording medium
layer
sensitive
heat
adhesive 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.)
Pending
Application number
JP4230510A
Other languages
Japanese (ja)
Inventor
Masato Kinoshita
真人 木下
Masaaki Nishizaki
雅昭 西崎
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.)
Fujicopian Co Ltd
Original Assignee
Fuji Kagakushi Kogyo Co Ltd
Fujicopian Co Ltd
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 Fuji Kagakushi Kogyo Co Ltd, Fujicopian Co Ltd filed Critical Fuji Kagakushi Kogyo Co Ltd
Priority to JP4230510A priority Critical patent/JPH0672022A/en
Publication of JPH0672022A publication Critical patent/JPH0672022A/en
Pending legal-status Critical Current

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  • Heat Sensitive Colour Forming Recording (AREA)

Abstract

PURPOSE:To eliminate a releasable sheet by imparting releasability to a thermal color developing layer, and forming a pressure-sensitive adhesive layer on an opposite surface of a recording medium for a bar code printer, etc. CONSTITUTION:A release agent is added to a heat sensitive color developing layer or a release agent layer is formed on a surface of the thermal color developing layer thereby to incorporate releasability in the developing layer. As the agent, silicone oil, silicone resin, etc., is used in an aqueous emulsion or aqueous dispersion state, and about 5-70wt.% of the entire developing layer is used. A pressure-sensitive adhesive layer made of pressure-sensitive adhesive such as acrylic resin series, etc., is formed on an opposite surface of a recording medium. A thickness of the adhesive layer is reduced in a range so as not to lose adhesive strength so as to increase a winding length, set to such as 5-20mum. The adhesive layer and the developing layer having releasability are wound so as to be brought into direct contact with one another.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明はラベル用感熱記録媒体お
よびその巻体に関する。さらに詳しくは、バーコードプ
リンタやテーププリンタなどで用いる、裏面に粘着剤層
が形成され、パンケーキ状に巻き取られた形態で使用さ
れるラベル用感熱記録媒体に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thermosensitive recording medium for labels and a roll thereof. More specifically, the present invention relates to a thermal recording medium for labels, which is used in a bar code printer, a tape printer or the like, and which has an adhesive layer formed on the back surface and is wound in a pancake shape.

【0002】[0002]

【従来の技術および発明が解決しようとする課題】前記
のバーコードプリンタやテーププリンタは、簡易なワー
ドプロセッサ機能およびプリンタ機能を内蔵し、パンケ
ーキ状に巻き取られた形態のテープ状印像形成体を巻き
戻しながら、印像(バーコード、文字、記号など)を形
成し、印像が形成された部分を切取るように構成されて
おり、この切取片を対象物にラベルとして貼着する。バ
ーコードラベル、見出しラベル、ネームラベルなどを簡
易に作成することができる。
2. Description of the Related Art The above-mentioned bar code printer and tape printer have a built-in simple word processor function and printer function, and are a tape-shaped image forming body wound in a pancake shape. While being rewound, a print image (bar code, characters, symbols, etc.) is formed, and the portion where the print image is formed is cut out. The cut piece is attached to the object as a label. Bar code labels, headline labels, name labels, etc. can be easily created.

【0003】このようなバーコードプリンタやテーププ
リンタのプリンタ部には通常小型化が容易な点から感熱
プリンタが採用されており、印像形成体として感熱記録
媒体を使用するものがある。
In the printer section of such a bar code printer or tape printer, a thermal printer is usually adopted because it can be easily miniaturized, and there are some which use a thermal recording medium as an image forming body.

【0004】前記のバーコードプリンタやテーププリン
タで使用されている感熱記録媒体としては、テープ状の
感熱記録媒体本体の裏面(印像を形成する表面と反対側
の面)に対象物に貼着するための粘着剤層を設け、その
表面を保護するために離型紙を接着積層したものが使用
されている。
As the thermal recording medium used in the above-mentioned bar code printer or tape printer, a tape-shaped thermal recording medium body is attached to an object on the back surface (the surface opposite to the surface on which an image is formed). A pressure-sensitive adhesive layer is provided for this purpose, and release paper is adhesively laminated to protect its surface.

【0005】前記感熱記録媒体のばあい、グラシン紙な
どからなる離型紙が存在するが、その厚さは感熱記録媒
体の全厚さの半分程度にもなっている。そのためプリン
タに収容できる感熱記録媒体の長さ(以下、巻き長さと
いう)が短かくなり、感熱記録媒体の補充を頻繁に行な
わなければならないという欠点がある。しかも通常感熱
記録媒体はカセットに収容して使用され、その補充はカ
セットごと行なわれ、使用済のカセットはそのまま破棄
されているが、巻き長さが短かいとカセットを頻繁に交
換しなければならず、ランニングコストが高くなると共
に資源の無駄遣いとなっている。
In the case of the above-mentioned thermal recording medium, there is a release paper such as glassine paper, but its thickness is about half of the total thickness of the thermal recording medium. Therefore, the length of the thermal recording medium that can be accommodated in the printer (hereinafter referred to as the winding length) becomes short, and the thermal recording medium must be replenished frequently. Moreover, the thermal recording medium is usually stored in a cassette and used, and the replenishment is performed for each cassette, and the used cassette is discarded as it is, but if the winding length is short, the cassette must be frequently replaced. Instead, running costs are high and resources are wasted.

【0006】また感熱記録媒体に印字後対象物に貼着す
る前に離型紙を剥す必要があり、手間がかかるという欠
点がある。
Further, it is necessary to peel off the release paper after printing on the heat-sensitive recording medium and before sticking it on the object, which is disadvantageous.

【0007】さらに剥された離型紙はそのまま廃棄され
ており、資源の無駄遣いとなっている。
Furthermore, the peeled release paper is discarded as it is, which is a waste of resources.

【0008】本発明は前記の点に鑑みて、感熱記録媒体
の巻き長さが長く、離型紙を剥す手間がいらず、かつ省
資源に資するラベル用感熱記録媒体を提供することを目
的とする。
In view of the above points, an object of the present invention is to provide a heat-sensitive recording medium for labels, which has a long winding length of the heat-sensitive recording medium, does not require the trouble of peeling the release paper, and contributes to resource saving. .

【0009】[0009]

【課題を解決するための手段】本発明は、感熱記録媒体
の感熱発色層面に離型性を持たせ、反対面に粘着剤層を
設けてなるラベル用感熱記録媒体、および該感熱記録媒
体が、前記離型性を有する表面と粘着剤層表面とが直接
接触するように巻き取られてなるラベル用感熱記録媒体
の巻体に関する。
DISCLOSURE OF THE INVENTION The present invention provides a thermal recording medium for labels comprising a thermosensitive coloring layer surface of a thermal recording medium having releasability and an adhesive layer provided on the opposite surface, and a thermal recording medium. The present invention relates to a roll of a thermosensitive recording medium for a label, which is wound so that the surface having releasability and the surface of the adhesive layer are in direct contact with each other.

【0010】[0010]

【作用および実施例】本発明のラベル用感熱記録媒体に
おいては、その感熱発色層面に離型性を持たせているた
め、この感熱発色層面と粘着剤層面とが直接接触するよ
うに巻き取った巻体において、ブロッキングが発生せ
ず、かつ該巻体からの巻き戻しが円滑に行なわれる。
Actions and Examples In the heat-sensitive recording medium for labels of the present invention, since the surface of the heat-sensitive color forming layer has releasability, it was wound so that the surface of the heat-sensitive color developing layer and the surface of the adhesive layer were in direct contact with each other. In the roll, blocking does not occur, and rewinding from the roll is smoothly performed.

【0011】また本発明のラベル用感熱記録媒体におい
ては、離型紙が存在しないため、巻き長さをたとえば従
来品の2倍以上にもすることができる。したがって感熱
記録媒体の補充を頻繁に行なわなくてもよくなり、また
カセットタイプのばあいカセットの寿命を大きく延ばす
ことができ省資源に資する。また離型紙が存在しないた
め、印字後離型紙を剥す手間がいらず、かつ離型紙の廃
棄による無駄遣いをなくすことができる。
Further, in the thermal recording medium for labels of the present invention, since there is no release paper, the winding length can be made twice as long as that of the conventional product. Therefore, it is not necessary to replenish the thermal recording medium frequently, and in the case of the cassette type, the life of the cassette can be greatly extended, which contributes to resource saving. Further, since there is no release paper, it is not necessary to peel off the release paper after printing, and wasteful disposal of the release paper can be eliminated.

【0012】つぎに本発明を具体的に説明する。Next, the present invention will be specifically described.

【0013】本発明において、感熱記録媒体の感熱発色
層面に離型性を持たせる手段としては、たとえば感熱発
色層に離型剤を添加するか、あるいは感熱発色層の面上
に離型剤層を形成するなどの手段があげられる。
In the present invention, the means for imparting the releasing property to the surface of the thermosensitive coloring layer of the thermosensitive recording medium is, for example, the addition of a releasing agent to the thermosensitive coloring layer, or the release agent layer on the surface of the thermosensitive coloring layer. And other means.

【0014】感熱記録媒体の基材、感熱発色層の材料と
しては従来のものがとくに制限されず使用可能である。
Conventional materials are not particularly limited and can be used as the material of the base material of the thermosensitive recording medium and the thermosensitive coloring layer.

【0015】たとえば基材としては、抄造紙、合成紙な
どの類類が一般に使用されるが、プラスチックフィルム
なども使用可能である。
For example, papers, synthetic papers and the like are generally used as the substrate, but plastic films and the like can also be used.

【0016】基材の厚さは、対象物への貼り合せ時など
における取扱性などを確保しつつ巻き長さを可及的に大
きくする観点から、25〜 150μm程度とするのが好まし
い。
The thickness of the base material is preferably about 25 to 150 μm from the viewpoint of ensuring the handleability at the time of sticking to the object and making the winding length as large as possible.

【0017】感熱発色層は通常発色剤、顕色剤および結
合剤を必須成分として、必要に応じて発色助剤、填料な
どの補助剤を含有するものである。
The heat-sensitive color forming layer usually contains a color former, a color developer and a binder as essential components, and optionally contains auxiliary agents such as a color former and a filler.

【0018】前記発色剤としては、たとえばクリスタル
バイオレットラクトンなどのトリフェニルメンタン系、
ローダミンラクタムなどのフルオラン系、フェノチアジ
ン系、オーラミン系、スピロピラン系などの無色ないし
淡色のロイコ染料などが適宜使用される。
Examples of the color former include triphenylmenthane compounds such as crystal violet lactone,
Fluoran-based leuco dyes such as rhodamine lactam, phenothiazine-based, auramine-based, and spiropyran-based colorless or pale leuco dyes are appropriately used.

【0019】前記顕色剤としては、たとえばビスフェノ
ールA、ビスフェノールSなどのフェノール類、没食子
酸、サリチル酸などの有機酸、酸性白土、塩化亜鉛など
の固体酸などが適宜使用される。
As the developer, for example, phenols such as bisphenol A and bisphenol S, organic acids such as gallic acid and salicylic acid, acid clay, and solid acids such as zinc chloride are appropriately used.

【0020】結合剤としては、たとえばポリビニルアル
コール、セルロース誘導体(たとえばメトキシセルロー
ス、ヒドロキシエチルセルロース、カルボキシメチルセ
ルロース、メチルセルロースなど)、ポリビニルピロリ
ドン、水溶性アクリル樹脂(ポリアクリルアミド、ポリ
アクリル酸塩など)、デンプン誘導体などの水溶性結合
剤、ポリスチレン、塩化ビニル−酢酸ビニル共重合体、
ポリブチルメタクリレート、スチレン−ブタジエン共重
合体などの非水溶性結合剤(これらは好ましくは水性エ
マルジョンの形態で使用される)があげられる。
Examples of the binder include polyvinyl alcohol, cellulose derivatives (eg, methoxycellulose, hydroxyethyl cellulose, carboxymethyl cellulose, methyl cellulose, etc.), polyvinyl pyrrolidone, water-soluble acrylic resin (polyacrylamide, polyacrylic acid salts, etc.), starch derivatives, etc. Water-soluble binder, polystyrene, vinyl chloride-vinyl acetate copolymer,
Water-insoluble binders such as polybutyl methacrylate and styrene-butadiene copolymer (these are preferably used in the form of an aqueous emulsion).

【0021】発色助剤としては、たとえばパラベンゾフ
ェノン、ベンジルビフェニルなどの染料中間体があげら
れる。
Examples of the coloring aid include dye intermediates such as parabenzophenone and benzylbiphenyl.

【0022】填料としては、たとえば炭酸カルシウム、
シリカ、酸化チタン、硫酸バリウム、クレー、タルクな
どがあげられる。
As the filler, for example, calcium carbonate,
Examples thereof include silica, titanium oxide, barium sulfate, clay and talc.

【0023】感熱発色層は予め発色の色とは異なる所望
の色に着色しておいてもよく、このためには各種の染
料、顔料が使用できる。
The thermosensitive coloring layer may be previously colored with a desired color different from the coloring color, and various dyes and pigments can be used for this purpose.

【0024】感熱発色層は通常前記成分を水性塗工液と
して基材上に塗布し、乾燥することによって形成され
る。
The thermosensitive coloring layer is usually formed by applying the above-mentioned components as an aqueous coating solution onto a substrate and drying.

【0025】感熱発色層の厚さは発色濃度を確保しうる
限り薄い方が好ましく、たとえば3〜10μm程度が適当
である。
The thickness of the thermosensitive coloring layer is preferably as thin as possible so as to ensure the coloring density, and for example, about 3 to 10 μm is suitable.

【0026】感熱発色層に添加して離型性を持たせるの
に使用する離型剤としては、シリコーン油、シリコーン
樹脂、ポリテトラフルオロエチレンなどのフッ素樹脂な
どが適宜用いられ、これらは通常水性エマルジョンまた
は分散液の形態で使用される。これら離型剤の添加量
(固形分換算、以下同様)はその種類によってもかわる
が、通常感熱発色層全量の5〜70%(重量%、以下同
様)とするのがよい。離型剤の添加量が前記範囲未満で
は感熱発色層表面の離型性が充分でなく、一方前記範囲
より多いと発色がわるく、うすい発色しかえられない。
As the release agent used for imparting releasability by adding it to the heat-sensitive color forming layer, silicone oil, silicone resin, fluororesin such as polytetrafluoroethylene, etc. are appropriately used, and these are usually aqueous. It is used in the form of an emulsion or dispersion. The amount of these release agents added (in terms of solid content, the same applies hereinafter) varies depending on the type of the release agent, but is usually 5 to 70% (wt%, the same applies below) of the total amount of the thermosensitive color developing layer. If the amount of the release agent added is less than the above range, the releasability of the surface of the thermosensitive color developing layer is not sufficient, whereas if it is more than the above range, the color development is poor and only a light color is obtained.

【0027】感熱発色層上に別途形成する離型剤層に使
用する離型剤としてはシリコーン樹脂、ポリテトラフル
オロエチレンなどのフッ素樹脂などが適宜使用され、こ
れらは通常水性エマルジョンまたは分散液の形態で使用
される。
As the release agent used in the release agent layer separately formed on the thermosensitive coloring layer, silicone resin, fluororesin such as polytetrafluoroethylene, etc. are appropriately used, and these are usually in the form of aqueous emulsion or dispersion. Used in.

【0028】前記別途形成する離型剤層の厚さは離型性
を確保しうるかぎりできるだけ薄い方が好ましく、たと
えば 0.2〜5μm程度が適当である。
The thickness of the release agent layer formed separately is preferably as thin as possible so long as releasability can be secured, and for example, about 0.2 to 5 μm is suitable.

【0029】粘着剤層の形成に用いる粘着剤(感圧接着
剤)としてはアクリル樹脂系、ポリウレタン樹脂系、テ
ルペン樹脂系などのものが適宜使用される。粘着剤層の
厚さは、巻き長さを長くする観点から接着力を損なわな
い範囲で薄い方が好ましく、たとえば5〜20μm程度が
よい。
As the pressure-sensitive adhesive (pressure-sensitive adhesive) used for forming the pressure-sensitive adhesive layer, acrylic resin-based, polyurethane resin-based, terpene resin-based, etc. are appropriately used. From the viewpoint of increasing the winding length, the thickness of the pressure-sensitive adhesive layer is preferably as thin as possible without impairing the adhesive force, for example, about 5 to 20 μm.

【0030】本発明の感熱記録媒体は巻き長さを長くす
る観点から、全体の厚さを30〜 200μm、なかんづ
く50〜150 μm程度とするのが好ましい。
From the viewpoint of increasing the winding length, the thermal recording medium of the present invention preferably has a total thickness of 30 to 200 μm, especially 50 to 150 μm.

【0031】前記のごとき感熱記録媒体はテープ状にス
リットされ、コアに巻き取って巻体として使用される。
The thermal recording medium as described above is slit into a tape shape and wound around a core to be used as a roll.

【0032】つぎに実施例をあげて本発明を説明する。
下記実施例における部は重量部を意味する。
The present invention will be described below with reference to examples.
Parts in the following examples mean parts by weight.

【0033】実施例1 下記のA液(発色剤水分散液)、B液(顕色剤水分散
液)およびC液(発色助剤水分散液)をそれぞれ別個に
調製し、塗布直前にこれらA液、B液およびC液と下記
D液(離型剤水分散液)を混合して塗工液を調製した。
この塗工液をエアナイフコーターで厚さ70μmの上質紙
の片面に乾燥後厚さが10μmになるように塗布し、乾燥
して離型性を有する感熱発色層を形成した。前記感熱発
色層と反対面にオリバインBPW4866(東洋インキ
製造(株)製アクリル樹脂系粘着剤)を乾燥後厚さが8
μmになるように塗布し、乾燥して粘着剤層を形成し
た。かくして全厚さが88μmの感熱記録媒体をえた。
Example 1 The following liquids A (coloring agent aqueous dispersion), B (color developing agent aqueous dispersion) and C (coloring aid aqueous dispersion) were prepared separately and these were prepared immediately before coating. Liquid A, liquid B and liquid C were mixed with liquid D (water dispersion of release agent) described below to prepare a coating liquid.
This coating solution was applied by an air knife coater to one side of a 70 μm-thick high-quality paper so as to have a thickness of 10 μm after drying, and dried to form a thermosensitive coloring layer having releasability. Olivine BPW4866 (Acrylic resin adhesive from Toyo Ink Mfg. Co., Ltd.) was dried on the surface opposite to the thermosensitive coloring layer to a thickness of 8
It was applied so as to have a thickness of μm and dried to form an adhesive layer. Thus, a thermal recording medium having a total thickness of 88 μm was obtained.

【0034】 A液 クリスタルバイオレットラクトン 10部 20%ポリビニルアルコール水溶液 90部 B液 ビスフェノールA 15部 20%ポリビニルアルコール水溶液 85部 C液 パラベンゾフェノン 15部 20%ポリビニルアルコール水溶液 85部 D液 ポリテトラフルオロエチレン樹脂粒子 (平均粒径20μm)の5%水分散液 150部 前記でえられた感熱記録媒体を18mmの幅にスリットしな
がら直径20mmのコアに巻き取って直径43mmのパンケーキ
状の巻体を作製した。その巻き長さは12mであった。な
お、市販の離型紙を有する感熱記録媒体は厚さが約170
μmで、巻き長さは 6.5mであった。
Liquid A Crystal violet lactone 10 parts 20% polyvinyl alcohol aqueous solution 90 parts Liquid B bisphenol A 15 parts 20% polyvinyl alcohol aqueous solution 85 parts Liquid C parabenzophenone 15 parts 20% polyvinyl alcohol aqueous solution 85 parts Liquid D Polytetrafluoroethylene resin 150 parts of 5% aqueous dispersion of particles (average particle size 20 μm) The thermosensitive recording medium obtained above was wound around a core with a diameter of 20 mm while slitting with a width of 18 mm to prepare a pancake-shaped roll with a diameter of 43 mm. did. The winding length was 12 m. A thermal recording medium having a commercially available release paper has a thickness of about 170
In μm, the winding length was 6.5 m.

【0035】前記巻体は長時間保存後もブロッキングを
生じることはなかった。
The roll did not cause blocking even after storage for a long time.

【0036】また前記巻体を市販のテーププリンタのカ
セットに装着し、このカセットをテーププリンタに装着
して印字テストを行なった。そのばあい、感熱記録媒体
は円滑に巻戻され、感熱発色層面が粘着剤層にむしり取
られたり、あるいは感熱発色層面に粘着剤が付着するな
どの不具合は生じなかった。また感熱発色層に形成され
た印字は鮮明であった。
The roll was mounted in a cassette of a commercially available tape printer, and this cassette was mounted in the tape printer to perform a printing test. In this case, the thermosensitive recording medium was smoothly rewound, and there were no problems such as the surface of the thermosensitive coloring layer being peeled off by the adhesive layer, or the adhesive being adhered to the thermosensitive coloring layer surface. The print formed on the thermosensitive coloring layer was clear.

【0037】実施例2 実施例1と同じA液、B液およびC液をそれぞれ別個に
調製し、塗布直前にこれらを混合して塗工液を調製し
た。前記塗工液をエアナイフコーターで厚さ70μmの上
質紙の片面に乾燥後厚さが8μmになるように塗布し、
乾燥して感熱発色層を形成した。そのうえに実施例1と
同じD液を乾燥後厚さが5μmになるように塗布し、乾
燥して離型剤層を形成した。前記感熱発色層と反対面に
実施例1と同様にして粘着剤層を形成した。かくして全
厚さが91μmの感熱記録媒体をえた。
Example 2 The same liquids A, B and C as in Example 1 were prepared separately and mixed immediately before coating to prepare a coating liquid. The coating solution is applied to one side of a 70 μm thick wood free paper with an air knife coater so that the thickness after drying becomes 8 μm,
It was dried to form a thermosensitive coloring layer. On top of that, the same liquid D as in Example 1 was applied so as to have a thickness of 5 μm after drying, and dried to form a release agent layer. A pressure-sensitive adhesive layer was formed on the surface opposite to the thermosensitive coloring layer in the same manner as in Example 1. Thus, a thermosensitive recording medium having a total thickness of 91 μm was obtained.

【0038】前記でえられた感熱記録媒体を18mmの幅に
スリットしながら直径20mmのコアに巻き取って直径43mm
のパンケーキ状の巻体を作製した。その巻き長さは12.5
mであった。
The thermal recording medium obtained above was slit into a width of 18 mm and wound around a core having a diameter of 20 mm to form a diameter of 43 mm.
A pancake-shaped roll was prepared. The winding length is 12.5
It was m.

【0039】前記巻体は長時間保存後もブロッキングを
生じることはなかった。
The above-mentioned roll did not cause blocking even after being stored for a long time.

【0040】また前記巻体を市販のテーププリンタのカ
セットに装着し、このカセットをテーププリンタに装着
して印字テストを行なった。そのばあい、感熱記録媒体
は円滑に巻戻され、感熱発色層面が粘着剤層にむしり取
られたり、あるいは感熱発色層面に粘着剤が付着するな
どの不具合は生じなかった。また感熱発色層に形成され
た印字は鮮明であった。
Further, the roll was mounted in a cassette of a commercially available tape printer, and this cassette was mounted in the tape printer to perform a printing test. In this case, the thermosensitive recording medium was smoothly rewound, and there were no problems such as the surface of the thermosensitive coloring layer being peeled off by the adhesive layer, or the adhesive being adhered to the thermosensitive coloring layer surface. The print formed on the thermosensitive coloring layer was clear.

【0041】[0041]

【発明の効果】ラベル用感熱記録媒体において離型紙を
なくしたので、巻き長さを長くすることができ、印字後
離型紙を剥す手間がいらず、かつ省資源に資する。
EFFECTS OF THE INVENTION Since the release paper is eliminated in the heat-sensitive recording medium for labels, the winding length can be increased, there is no need to peel off the release paper after printing, and the resource can be saved.

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 感熱記録媒体の感熱発色層面に離型性を
持たせ、反対面に粘着剤層を有するラベル用感熱記録媒
体。
1. A heat-sensitive recording medium for labels, wherein the heat-sensitive color forming layer surface of the heat-sensitive recording medium has releasability and the opposite surface has an adhesive layer.
【請求項2】 前記感熱発色層に離型剤が添加されてな
る請求項1記載のラベル用感熱記録媒体。
2. The heat-sensitive recording medium for labels according to claim 1, wherein a release agent is added to the heat-sensitive color forming layer.
【請求項3】 前記感熱発色層の面上に離型剤層が形成
されてなる請求項1記載のラベル用感熱記録媒体。
3. The thermal recording medium for labels according to claim 1, wherein a release agent layer is formed on the surface of the thermosensitive coloring layer.
【請求項4】 請求項1記載のラベル用感熱記録媒体
が、前記離型性を有する表面と粘着剤層面とが直接接触
するように巻き取られてなるラベル用感熱記録媒体の巻
体。
4. A heat-sensitive recording medium for a label, which is obtained by winding the heat-sensitive recording medium for a label according to claim 1 so that the releasable surface and the pressure-sensitive adhesive layer surface are in direct contact with each other.
JP4230510A 1992-08-28 1992-08-28 Thermal recording medium for label and winder thereof Pending JPH0672022A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4230510A JPH0672022A (en) 1992-08-28 1992-08-28 Thermal recording medium for label and winder thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4230510A JPH0672022A (en) 1992-08-28 1992-08-28 Thermal recording medium for label and winder thereof

Publications (1)

Publication Number Publication Date
JPH0672022A true JPH0672022A (en) 1994-03-15

Family

ID=16908889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4230510A Pending JPH0672022A (en) 1992-08-28 1992-08-28 Thermal recording medium for label and winder thereof

Country Status (1)

Country Link
JP (1) JPH0672022A (en)

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