JPH081396U - Repeatable printable card - Google Patents
Repeatable printable cardInfo
- Publication number
- JPH081396U JPH081396U JP001667U JP166796U JPH081396U JP H081396 U JPH081396 U JP H081396U JP 001667 U JP001667 U JP 001667U JP 166796 U JP166796 U JP 166796U JP H081396 U JPH081396 U JP H081396U
- Authority
- JP
- Japan
- Prior art keywords
- card
- recording layer
- layer
- heat
- magnetic recording
- 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
Links
- 239000010410 layer Substances 0.000 claims abstract description 67
- 239000011241 protective layer Substances 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 9
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 9
- 229920000642 polymer Polymers 0.000 claims abstract description 7
- 229920005989 resin Polymers 0.000 claims abstract description 6
- 239000011347 resin Substances 0.000 claims abstract description 6
- 230000002441 reversible effect Effects 0.000 claims abstract description 5
- 230000003252 repetitive effect Effects 0.000 abstract description 5
- 230000000007 visual effect Effects 0.000 abstract description 4
- 238000007639 printing Methods 0.000 description 20
- 239000000463 material Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 9
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 239000012792 core layer Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- UKMSUNONTOPOIO-UHFFFAOYSA-N docosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 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
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 235000021357 Behenic acid Nutrition 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 229940116226 behenic acid Drugs 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 235000003441 saturated fatty acids Nutrition 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
Landscapes
- Thermal Transfer Or Thermal Recording In General (AREA)
- Magnetic Record Carriers (AREA)
- Credit Cards Or The Like (AREA)
Abstract
(57)【要約】
【課題】 カード表面に耐久性に優れた多くの目視情報
を繰り返し表示できる新規なカードを提供すること。
【解決手段】 硬質ポリ塩化ビニル製のカード基材表面
の少なくとも一部に、磁気記録層を介して、熱により透
明状態と白濁状態とが相変化として可逆的に変化し、且
つ常温で上記２形態が保持できるポリマー組成物からな
る可逆性感熱記録層及び光硬化性架橋樹脂からなる透明
保護層を積層形成したことを特徴とする反復印字可能な
カード。
(57) 【Abstract】 PROBLEM TO BE SOLVED: To provide a novel card capable of repeatedly displaying a lot of visual information having excellent durability on a card surface. SOLUTION: A transparent state and a cloudy state reversibly change as a phase change due to heat through at least a part of a surface of a card substrate made of hard polyvinyl chloride via a magnetic recording layer, and the above-mentioned 2 A repetitive printable card comprising a reversible thermosensitive recording layer made of a polymer composition capable of retaining its shape and a transparent protective layer made of a photocurable crosslinked resin, which are laminated.
Description
【０００１】[0001]
本考案はカードに関し、更に詳しくはカード表面において目視可能な各種情報 を書き込み及び消去が繰り返し可能なカードに関する。 The present invention relates to a card, and more particularly, to a card in which various information that can be visually recognized on the surface of the card can be written and erased repeatedly.
【０００２】[0002]
従来、テレホンカード、乗車券購入用カード、ハイウェーカード、キャッシュ カード、ＩＤカード、ＩＣカード、会員証カード等の各種のカードが広く使用さ れている。 これらのカードの多くは各種情報を記録したものであり、一部の情報が目視可 能な場合も存在するが、多くの情報はカードに設けた磁気記録層又はＩＣ等に記 録されている。 Various cards such as telephone cards, ticket purchase cards, highway cards, cash cards, ID cards, IC cards, and membership card cards have been widely used. Most of these cards are recorded with various information, and some information may be visible, but most of the information is recorded on the magnetic recording layer or IC provided on the card. .
【０００３】 上記各種カードにおいて、磁気記録層中に記録された情報及び使用の都度新た に記録された情報の変化の一部を目視可能にすることが望ましい場合である。例 えば、１例としてテレホンカードの場合には、使用者は使用の都度その使用度数 （即ち残度数）を肉眼で知ることが望ましい。又、乗車券購入カードの場合には 使用の都度カードに残っている残額を知ることが望ましく、又、ハイウェーカー ドの場合には、利用した日付等も目視可能に記録されることが望ましい。In some of the above cards, it is desirable to make visible a part of the changes in the information recorded in the magnetic recording layer and the information newly recorded each time it is used. For example, in the case of a telephone card as an example, it is desirable for the user to know the usage frequency (that is, the remaining frequency) with the naked eye each time it is used. In addition, in the case of a ticket purchase card, it is desirable to know the remaining amount left on the card each time it is used, and in the case of a highway card, it is desirable that the date used, etc. be recorded visually.
【０００４】 このような要求に対しては従来はカードにパンチ孔を設けて凡その目安が解る ようになっている。又、カード表面にサーマルヘッド等の記録手段によって目視 情報を記録する方式が採用されている。又、別の方式としては光や熱で色変化を 起すホトクロミック材料やサーモクロミック材料による記録も提案されている。In order to meet such a demand, conventionally, a punch hole is provided in a card so that a rough standard can be understood. Also, a method of recording visual information on the surface of the card by a recording means such as a thermal head is adopted. As another method, recording using a photochromic material or a thermochromic material that changes color by light or heat has been proposed.
【０００５】[0005]
上記の如き目視情報をパンチングによって表わす場合には詳細な情報の表示は 不可能であり、凡その目安を単に表示するに過ぎない。一方、サーマルヘッド等 により不可逆的に記録する方式ではカード自体の表面積が小さいためやはり表示 情報は当然制限され、表示情報を多くすべく表示文字を小さくすると目視自体が 困難になる。 When the visual information as described above is represented by punching, it is impossible to display detailed information, and only a rough guideline is merely displayed. On the other hand, in the method of irreversibly recording with a thermal head or the like, since the surface area of the card itself is small, the display information is naturally limited, and if the display characters are made small in order to increase the display information, it becomes difficult to visually check.
【０００６】 又、このような欠点を解決する方法として繰返し書き込み及び消去が可能なホ トクロミック材料やサーモクロミック材料を記録層に用いる方法も提案されてい るが、この方法は材料のメモリー性、耐光性及び耐熱性等が低く耐久性に問題が あり、実用化には遠い。 従って、本考案の目的は、カード表面に耐久性に優れた多くの目視情報を繰り 返し表示できる新規なカードを提供することである。As a method for solving such a drawback, a method of using a photochromic material or a thermochromic material capable of repetitive writing and erasing in a recording layer has been proposed, but this method has a memory property and a light resistance of the material. It has low durability and heat resistance, and has problems in durability, so it is far from practical use. Therefore, an object of the present invention is to provide a novel card which can repeatedly display a lot of visual information having excellent durability on the surface of the card.
【０００７】[0007]
上記目的は以下の本考案によって達成される。即ち、本考案は、硬質ポリ塩化 ビニル製のカード基材表面の少なくとも一部に、磁気記録層を介して、熱により 透明状態と白濁状態とが相変化として可逆的に変化し、且つ常温で上記２形態が 保持できるポリマー組成物からなる可逆性感熱記録層及び光硬化性架橋樹脂から なる透明保護層を積層形成したことを特徴とする反復印字可能なカードである。 The above object is achieved by the present invention described below. That is, according to the present invention, at least a part of the surface of a card substrate made of hard polyvinyl chloride is reversibly changed into a transparent state and a clouded state as a phase change by heat through a magnetic recording layer, and at room temperature. A reversible printable card characterized in that a reversible thermosensitive recording layer made of a polymer composition capable of holding the above two forms and a transparent protective layer made of a photocurable crosslinked resin are laminated and formed.
【０００８】 硬質ポリ塩化ビニル製のカード基材表面の少なくとも一部に、反復記録及び消 去が可能な感熱記録層を設けることにより、小面積のカード上に多くの情報の繰 返し表示が可能となる。 又、好ましい実施形態においては、感熱記録層の下面に着色層を設けることに より印字を鮮明且つ見易くすることができる。更に着色層を磁気記録層とするこ とにより、製造工程が省略できるとともに、磁気記録層の良好な熱伝導性により 印字がシャープとなり解像度が向上する。 又、本考案では、感熱記録層の表面に耐熱性透明保護層を設けることにより、 サーマルヘッドによる凹凸の発生がなく、乱反射による印字の不鮮明性が解消さ れる。By providing a thermosensitive recording layer capable of repetitive recording and erasing on at least a part of the surface of a hard polyvinyl chloride card substrate, it is possible to repeatedly display a large amount of information on a card having a small area. Becomes Further, in a preferred embodiment, by providing a colored layer on the lower surface of the thermosensitive recording layer, the printing can be made clear and easy to see. Further, by using the colored layer as the magnetic recording layer, the manufacturing process can be omitted, and the good thermal conductivity of the magnetic recording layer makes the printing sharp and the resolution is improved. Further, in the present invention, by providing the heat-resistant transparent protective layer on the surface of the heat-sensitive recording layer, unevenness due to the thermal head is not generated, and blurring of printing due to irregular reflection is eliminated.
【０００９】[0009]
次に好ましい実施形態を挙げて本考案を更に詳しく説明する。 本考案において使用するカードとは、従来公知のカードそのものでよく、例えば 、テレホンカード、乗車券購入用カード、ハイウェーカード、キャッシュカード 、ＩＤカード、ＩＣカード、会員証カード等各種のカード基材の構成がそのまま 使用できる。 Next, the present invention will be described in more detail with reference to preferred embodiments. The card used in the present invention may be a conventionally known card itself, for example, a telephone card, a ticket purchase card, a highway card, a cash card, an ID card, an IC card, a membership card, or other card base material. The configuration can be used as is.
【００１０】 又、本考案で使用する感熱記録層とは、例えば、特開昭５４−１１９３７７号 公報、同５５−１５４１９８号公報、同６１−２５８８５３号公報、同５８−７ ６８３号公報、同５７−１０９６９５号公報、同５７−８２０８６〜８２０８８ 号公報等において知られた材料であり、これらの材料は熱により透明状態と白濁 状態とが可逆的に変化し、且つ常温で上記２形態が保持できるポリマー組成物で ある。例えば、これらの材料は常温より高い温度Ｔ1以上に加熱後冷却すると白 濁し、且つ常温より高くＴ1より低い温度Ｔ2に加熱冷却すると透明となる。Further, the heat-sensitive recording layer used in the present invention includes, for example, JP-A-54-119377, JP-A-55-154198, JP-A-61-258853, JP-A-58-7683 and JP-A-58-7683. 57-109695, 57-82086 to 82088, and the like, which are known materials, and these materials reversibly change between a transparent state and a cloudy state by heat, and retain the above two forms at room temperature. It is a possible polymer composition. For example, these materials become cloudy when heated to a temperature T 1 or higher higher than room temperature and then cooled, and become transparent when heated and cooled to a temperature T 2 higher than room temperature and lower than T 1 .
【００１１】 従ってこれらのポリマー組成物から感熱記録層を形成し、この層をＴ1より低 く且つ常温より高い温度Ｔ2に加熱後冷却すると全体が透明なフイルムとなり、 この透明フイルムにサーマルヘッド等によりＴ1以上の温度で印字すると白濁に よる白色文字が形成される。文字を形成後に全面を再度Ｔ2の温度に加熱すると これらの文字は消去され、再度Ｔ1の温度で印字可能となる。又、逆に全体をＴ1 温度で白濁させ、Ｔ2温度で抜き文字状に印字することもできる。Therefore, a thermosensitive recording layer is formed from these polymer compositions, and when this layer is heated to a temperature T 2 lower than T 1 and higher than normal temperature and then cooled, an entire transparent film is formed. For example, when printing at a temperature of T 1 or higher, white characters due to cloudiness are formed. When the entire surface is heated again to the temperature of T 2 after the characters are formed, these characters are erased and printing can be performed again at the temperature of T 1 . On the contrary, it is also possible to make the whole cloudy at T 1 temperature and to print in blank characters at T 2 temperature.
【００１２】 以上の如き物性を有するポリマー組成物はいずれも本考案において使用可能で あるが、好ましい具体例としては、例えば、ポリ塩化ビニル、塩化ビニル系共重 合体、塩化ビニリデン系共重合体、ポリエステル等の熱可塑性樹脂をマトリック ス材とし、このマトリックス材中に炭素数１０〜３０の飽和或いは不飽和脂肪酸 、それらのエステル、アミド又はアンモニウム塩等の有機低分子物質を分散させ たものである。上記マトリックス材料と有機低分子物質との使用比率は、重量比 で３：１〜１６：１、好ましくは６：１〜１２：１の範囲である。Although any of the polymer compositions having the above physical properties can be used in the present invention, preferred specific examples include, for example, polyvinyl chloride, vinyl chloride-based copolymers, vinylidene chloride-based copolymers, A thermoplastic resin such as polyester is used as a matrix material, and saturated or unsaturated fatty acids having 10 to 30 carbon atoms, organic low molecular weight substances such as their esters, amides or ammonium salts are dispersed in this matrix material. . The weight ratio of the matrix material to the organic low molecular weight substance is in the range of 3: 1 to 16: 1, preferably 6: 1 to 12: 1.
【００１３】 本考案の反復印字可能なカードは、カード基材の表面の少なくとも一部に上記 ポリマー組成物からなる感熱記録層を設けたものであり、具体例としては、例え ば、図１及び図２に示す例が挙げられる。 図１に示す例は、テレホンカード等のプリペイドカードに応用した例であり、 この例ではポリエステル製カード基材１（厚み１００〜３００μｍ）の表面に感 熱記録層２（厚み２〜４０μｍ）が設けられている。又、好ましい例では印字に より生じた可視画像のコントラストを高めるために感熱記録層２とカード基材１ との間に着色層３（任意の厚みでよい）を設けることができる。The repetitive printable card of the present invention has a thermosensitive recording layer made of the above-mentioned polymer composition provided on at least a part of the surface of a card base material. An example shown in FIG. 2 is given. The example shown in FIG. 1 is an example applied to a prepaid card such as a telephone card. In this example, a thermal recording layer 2 (thickness 2 to 40 μm) is formed on the surface of a polyester card substrate 1 (thickness 100 to 300 μm). It is provided. Further, in a preferred example, a colored layer 3 (which may have an arbitrary thickness) may be provided between the thermal recording layer 2 and the card substrate 1 in order to enhance the contrast of a visible image generated by printing.
【００１４】 この着色層３を、例えば、黒色にすると白濁印字の場合には黒のバックグラウ ンドに白い文字が印字され、一方、透明印字の場合には白のバックグラウンドに 黒の文字が印字され、他の色相に着色した場合には夫々対応した色相の文字及び バックグラウンドとなる。又、逆にカード基材の表面を白色に着色しておいて、 感熱記録層自体を着色しておくことも可能である。勿論、カード基材自体が着色 されている場合には感熱記録層の着色は別の色相が好ましい。When the colored layer 3 is made black, for example, white characters are printed on a black background in the case of cloudy printing, while black characters are printed on a white background in the case of transparent printing. When the color is changed to another hue, the characters and the background have the corresponding hues. On the contrary, it is also possible to color the surface of the card substrate white and color the thermal recording layer itself. Of course, when the card substrate itself is colored, the hue of the heat-sensitive recording layer is preferably different.
【００１５】 更に感熱記録層２の耐久性を向上させるためにその表面に透明なポリエステル 樹脂やアクリル樹脂等からなる保護層４（厚み１〜８μｍ）を設け、特にこれら の保護層を光硬化性架橋樹脂から形成することによって、カードの感熱記録層の 表面が硬度、強度及び可撓性に優れ、印字時のサーマルヘッドによる凹凸の発生 がなくなり、凹凸による乱反射が解消されるので一層優れた品質の印字が可能と なるので好ましい。又、感熱記録層２の接着性を良好にするために感熱記録層２ とその下地との間に接着層５（厚みは任意でよい）を設けることもできる。Further, in order to improve the durability of the heat-sensitive recording layer 2, a protective layer 4 (thickness 1 to 8 μm) made of a transparent polyester resin, acrylic resin or the like is provided on the surface thereof, and particularly these protective layers are photocurable. By forming it from a crosslinked resin, the surface of the thermal recording layer of the card has excellent hardness, strength and flexibility, and the unevenness caused by the thermal head at the time of printing is eliminated, and irregular reflection due to unevenness is eliminated. Is preferable because it enables printing. Further, in order to improve the adhesiveness of the thermosensitive recording layer 2, an adhesive layer 5 (the thickness may be arbitrary) may be provided between the thermosensitive recording layer 2 and the base thereof.
【００１６】 又、本考案の好ましい実施形態では、カード基材１として磁気記録層６を有す るものを用いる場合には、この磁気記録層６自体が着色しているために、磁気記 録層６と着色層３とを兼ねさせることができる。このような磁気記録層６は熱伝 導性に優れているため、印字時に加えられる熱の拡散が良好で印字部が急冷され る結果、印字がシャープとなり解像度に優れた印字が得られる。勿論磁気記録層 ６の上に着色層３を形成してもよい。Further, in a preferred embodiment of the present invention, when the card base material 1 having the magnetic recording layer 6 is used, the magnetic recording layer 6 itself is colored, so that the magnetic recording is performed. The layer 6 and the colored layer 3 can also serve as both. Since the magnetic recording layer 6 is excellent in heat conductivity, the heat applied at the time of printing is well diffused and the printed portion is rapidly cooled. As a result, the printing becomes sharp and printing with excellent resolution can be obtained. Of course, the colored layer 3 may be formed on the magnetic recording layer 6.
【００１７】 以上の如くカード基材上に形成する感熱記録層、着色層、保護層、接着層及び 磁気記録層は夫々カード基材の両面の全部、片面の全部、１部、或いは埋め込み の如くその面積及びその設置場所は特に限定されず、夫々のカードの使用目的に 適合させて設ければよい。As described above, the heat-sensitive recording layer, the coloring layer, the protective layer, the adhesive layer and the magnetic recording layer formed on the card base material are respectively formed on all the both surfaces of the card base material, the entire one surface, a part thereof or embedded. The area and the place of installation are not particularly limited, and they may be provided according to the purpose of use of each card.
【００１８】 図２に示す具体例は、キャッシュカード、ＩＤカード、会員証カード等如くカ ード基材が硬質ポリ塩化ビニルからなるカードの例であり、この例ではセンター コア層７（厚み２８０〜６６０μｍ）及びその両面のオーバーシート８（厚み５ ０〜１００μｍ）とからなるカード基材１０の一方のオーバーシート８中に感熱 記録層を埋め込んだ例を示しており、このようにすれば、カード全体の表面を均 一にすることが出来、より良好な印字が得られる。感熱記録層２、着色層３、保 護層４、接着層５、磁気記録層６及びそれらの組合せや設置面積、設置場所等の 構成は前記図１に示す例と同様に種々の形態が可能である。又、基材は厚型でも 薄型でもよい。The specific example shown in FIG. 2 is an example of a card such as a cash card, an ID card, a membership card, etc., whose card base material is made of hard polyvinyl chloride. In this example, the center core layer 7 (thickness 280) is used. .About.660 .mu.m) and oversheets 8 (thickness: 50 to 100 .mu.m) on both sides thereof, one example of the heat sensitive recording layer embedded in one oversheet 8 of the card substrate 10 is shown. The surface of the entire card can be made uniform and better printing can be obtained. The thermal recording layer 2, colored layer 3, protective layer 4, adhesive layer 5, magnetic recording layer 6 and combinations thereof, installation area, installation location, etc., can have various configurations as in the example shown in FIG. Is. The base material may be thick or thin.
【００１９】 以上の如き本考案の反射印字可能なカードは、適当なカード基材を用意し、そ の表面に印刷方法、転写方法等の常用の手段により、上記の夫々の層を形成する ことによって得られる。 又、上記本考案のカードには感熱記録層以外に、従来公知の各種印刷や装飾或 いはエンボス文字等が形成されていてもよいのは当然である。In the reflective printable card of the present invention as described above, an appropriate card base material is prepared, and each of the above layers is formed on the surface thereof by a conventional means such as a printing method or a transfer method. Obtained by In addition to the heat-sensitive recording layer, the card of the present invention may of course have various conventionally known prints, decorations or embossed characters.
【００２０】[0020]
次に実施例により本考案を更に具体的に説明する。尚、文中部又は％とあるの は特に断りの無い限り重量基準である。 実施例１ 片面に磁気記録層が形成された厚み２００μｍの白色ポリエステルフイルムの 他方の面に、文字や絵柄等をオフセット印刷方式にて印刷した。 一方、塩化ビニリデン−アクリロニトリル共重合体のテトラヒドロフラン３０ ％溶液６０部に、ベヘン酸のテトラヒドロフラン５％溶液１０％を加えて混合物 を得た。この混合物を上記の磁性材料層の上にワイヤーバーにて塗布し、乾燥さ せて膜厚１０μｍで不透明白色状態の感熱記録層を形成し本考案の反復印字可能 なカードを得た。 次にこのカードを６５℃の雰囲気に加熱後冷却して感熱記録層を透明な状態に したところ、下層の磁気記録層が黒色に見えるようになった。 Next, the present invention will be described more specifically by way of examples. In addition, unless otherwise specified, "parts" and "%" in the text are based on weight. Example 1 A 200 μm-thick white polyester film having a magnetic recording layer formed on one side was printed on the other side with characters, patterns, etc. by an offset printing method. On the other hand, to 60 parts of a 30% tetrahydrofuran solution of vinylidene chloride-acrylonitrile copolymer, 10% 5% tetrahydrofuran solution of behenic acid was added to obtain a mixture. This mixture was coated on the above magnetic material layer with a wire bar and dried to form a heat-sensitive recording layer in an opaque white state with a film thickness of 10 μm to obtain a repeatable printable card of the present invention. Next, when this card was heated in an atmosphere of 65 ° C. and then cooled to make the thermosensitive recording layer transparent, the underlying magnetic recording layer became black.
【００２１】 この透明な感熱記録層にサーマルヘッド（抵抗３２０Ω）を用いて、印加電圧 １０Ｖ及び印加時間３ｍｓｅｃの条件により印字したところ、印字部分が不透明 白色に変化し、印字文字が明瞭に読めた。この印字されたカードを表面温度６５ ℃の加熱ロール２本の間を通過させ放冷したところ、全面が透明となって白色文 字は消滅し、下層の磁気記録層の黒色が見える状態即ち消去状態となった。以上 の書き込み及び消去を１００回繰り返しても、書き込み及び消去の性能に変化は 認められなかった。When printing was performed on this transparent heat-sensitive recording layer using a thermal head (resistance 320Ω) under the conditions of an applied voltage of 10 V and an applied time of 3 msec, the printed portion changed to opaque white and the printed characters were clearly readable. . When this printed card was allowed to cool by passing it between two heating rolls with a surface temperature of 65 ° C, the entire surface became transparent and white characters disappeared, and the black state of the lower magnetic recording layer was visible, that is, erased. It became a state. Even when the above writing and erasing were repeated 100 times, no change was observed in the writing and erasing performance.
【００２２】 実施例２ 実施例１における感熱記録層の表面に、ウレタンアクリレート系紫外線硬化性 樹脂を塗布し紫外線照射により硬化させ、厚み５μｍの透明保護層を形成し、本 考案の反復印字可能なカードとした。このカードの場合には実施例１のカードに 比較して書き込み時に接触するサーマルヘッドの痕跡の発生が著しく少なく、一 層解像性の高い印字が可能であった。Example 2 A urethane acrylate-based UV-curable resin was applied to the surface of the heat-sensitive recording layer in Example 1 and cured by UV irradiation to form a transparent protective layer having a thickness of 5 μm. It was a card. In the case of this card, the generation of traces of the thermal head contacting at the time of writing was significantly smaller than that of the card of Example 1, and printing with high single-layer resolution was possible.
【００２３】 実施例３ 厚み５００μｍの白色硬質ポリ塩化ビニルシートのセンターコアと、その上下 に厚み１００μｍの透明硬質ポリ塩化ビニルのオーバーシートを一枚づつ重ねて 置き、プレス機を用いて１５０℃、１２０ｋｇ／ｃｍ2の条件で３０分間加熱加 圧して一体化し、記録材料を埋設するための凹部を形成した。 次に実施例１により得た磁気記録層上に熱記録層を設けた記録材料を上記の塩 化ビニル樹脂シートの凹部に嵌込み、本考案の反復印字可能なカードとした。こ のカードは実施例１と同様な効果を奏した。Example 3 A center core of a white hard polyvinyl chloride sheet having a thickness of 500 μm and a transparent hard polyvinyl chloride oversheet having a thickness of 100 μm were placed one on top of the other, and placed above and below the center core at 150 ° C. using a press machine. Under the conditions of 120 kg / cm 2 , heating and pressing were performed for 30 minutes to integrate them, and a recess for embedding the recording material was formed. Next, the recording material having the thermal recording layer provided on the magnetic recording layer obtained in Example 1 was fitted into the concave portion of the above vinyl chloride resin sheet to obtain a repeatable printable card of the present invention. This card produced the same effect as in Example 1.
【００２４】[0024]
以上の如き本考案によれば、硬質ポリ塩化ビニル製のカード表面の少なくとも 一部に反復記録及び消去が可能な感熱記録層を設けることにより、小面積のカー ド上に多くの情報の繰返し表示が可能となる。 又、好ましい実施形態においては、感熱記録層の下面に着色層を設けることに より印字を鮮明且つ見易くすることができる。更に着色層を磁気記録層とするこ とにより、製造工程が省略できるとともに、磁気記録層の良好な熱伝導性により 印字がシャープとなり解像度が向上する。 又、別の好ましい実施形態では、感熱記録層の表面に耐熱性透明保護層を設け ることにより、サーマルヘッドによる凹凸の発生がなく、乱反射による印字の不 鮮明性が解消される。 According to the present invention as described above, by providing a thermosensitive recording layer capable of repetitive recording and erasing on at least a part of the surface of a card made of hard polyvinyl chloride, a large amount of information can be repeatedly displayed on a card having a small area. Is possible. Further, in a preferred embodiment, by providing a colored layer on the lower surface of the thermosensitive recording layer, the printing can be made clear and easy to see. Further, by using the colored layer as the magnetic recording layer, the manufacturing process can be omitted, and the good thermal conductivity of the magnetic recording layer makes the printing sharp and the resolution is improved. Further, in another preferred embodiment, by providing a heat-resistant transparent protective layer on the surface of the heat-sensitive recording layer, unevenness due to the thermal head is not generated and the blurring of printing due to irregular reflection is eliminated.
【図１】 本考案の好ましい実施形態のカードの断面を
図解的に説明する図。FIG. 1 is a diagram schematically illustrating a cross section of a card according to a preferred embodiment of the present invention.
【図２】 本考案の好ましい実施形態のカードの断面を
図解的に説明する図。FIG. 2 is a diagram schematically illustrating a cross section of a card according to a preferred embodiment of the present invention.
１、１０：カード基材 ２：感熱記録層 ３：着色層 ４：保護層 ５：接着層 ６：磁気記録層 ７：センターコア層 ８：オーバーシート層 1, 10: Card substrate 2: Thermosensitive recording layer 3: Colored layer 4: Protective layer 5: Adhesive layer 6: Magnetic recording layer 7: Center core layer 8: Oversheet layer
Claims (1)
の少なくとも一部に、磁気記録層を介して、熱により透
明状態と白濁状態とが相変化として可逆的に変化し、且
つ常温で上記２形態が保持できるポリマー組成物からな
る可逆性感熱記録層及び光硬化性架橋樹脂からなる透明
保護層を積層形成したことを特徴とする反復印字可能な
カード。1. A transparent and cloudy state reversibly changes as a phase change due to heat on at least a part of the surface of a card substrate made of hard polyvinyl chloride via a magnetic recording layer, and at room temperature, A reversible printable card, characterized in that a reversible thermosensitive recording layer made of a polymer composition capable of holding two forms and a transparent protective layer made of a photocurable crosslinkable resin are laminated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP001667U JPH081396U (en) | 1996-02-20 | 1996-02-20 | Repeatable printable card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP001667U JPH081396U (en) | 1996-02-20 | 1996-02-20 | Repeatable printable card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH081396U true JPH081396U (en) | 1996-09-17 |
Family
ID=11507881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP001667U Pending JPH081396U (en) | 1996-02-20 | 1996-02-20 | Repeatable printable card |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH081396U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5845998A (en) * | 1981-09-14 | 1983-03-17 | Ricoh Co Ltd | Heat-sensitive recording type magnetic sheet |
| JPS59199285A (en) * | 1983-04-27 | 1984-11-12 | Dainippon Printing Co Ltd | Thermal and magnetic recording medium |
-
1996
- 1996-02-20 JP JP001667U patent/JPH081396U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5845998A (en) * | 1981-09-14 | 1983-03-17 | Ricoh Co Ltd | Heat-sensitive recording type magnetic sheet |
| JPS59199285A (en) * | 1983-04-27 | 1984-11-12 | Dainippon Printing Co Ltd | Thermal and magnetic recording medium |
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