JPH04142988A - Thermal transfer cover film - Google Patents
Thermal transfer cover filmInfo
- Publication number
- JPH04142988A JPH04142988A JP2265104A JP26510490A JPH04142988A JP H04142988 A JPH04142988 A JP H04142988A JP 2265104 A JP2265104 A JP 2265104A JP 26510490 A JP26510490 A JP 26510490A JP H04142988 A JPH04142988 A JP H04142988A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- resin
- transparent resin
- film
- thermal transfer
- 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
- 239000013039 cover film Substances 0.000 title claims description 17
- 239000010410 layer Substances 0.000 claims abstract description 111
- 229920005989 resin Polymers 0.000 claims abstract description 69
- 239000011347 resin Substances 0.000 claims abstract description 69
- 239000012790 adhesive layer Substances 0.000 claims abstract description 18
- 230000001070 adhesive effect Effects 0.000 claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims abstract description 9
- 239000010408 film Substances 0.000 claims description 33
- 238000000576 coating method Methods 0.000 abstract description 13
- 239000011248 coating agent Substances 0.000 abstract description 11
- 238000001035 drying Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 7
- 229920000178 Acrylic resin Polymers 0.000 abstract description 6
- 239000004925 Acrylic resin Substances 0.000 abstract description 6
- 229920005749 polyurethane resin Polymers 0.000 abstract description 5
- 229920001225 polyester resin Polymers 0.000 abstract description 4
- 239000004645 polyester resin Substances 0.000 abstract description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract description 3
- 239000002904 solvent Substances 0.000 abstract description 3
- 229920001187 thermosetting polymer Polymers 0.000 abstract description 3
- 108010010803 Gelatin Proteins 0.000 abstract description 2
- 239000004640 Melamine resin Substances 0.000 abstract description 2
- 229920000877 Melamine resin Polymers 0.000 abstract description 2
- 239000003054 catalyst Substances 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 abstract description 2
- 239000003822 epoxy resin Substances 0.000 abstract description 2
- 229920000159 gelatin Polymers 0.000 abstract description 2
- 239000008273 gelatin Substances 0.000 abstract description 2
- 235000019322 gelatine Nutrition 0.000 abstract description 2
- 235000011852 gelatine desserts Nutrition 0.000 abstract description 2
- 230000005865 ionizing radiation Effects 0.000 abstract description 2
- 239000002985 plastic film Substances 0.000 abstract description 2
- 229920006255 plastic film Polymers 0.000 abstract description 2
- 229920000647 polyepoxide Polymers 0.000 abstract description 2
- 229920006267 polyester film Polymers 0.000 abstract description 2
- 229920005990 polystyrene resin Polymers 0.000 abstract 1
- 239000000975 dye Substances 0.000 description 27
- 238000000034 method Methods 0.000 description 15
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 239000002131 composite material Substances 0.000 description 7
- 239000000976 ink Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 3
- 238000000859 sublimation Methods 0.000 description 3
- 230000008022 sublimation Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- QHIWVLPBUQWDMQ-UHFFFAOYSA-N butyl prop-2-enoate;methyl 2-methylprop-2-enoate;prop-2-enoic acid Chemical compound OC(=O)C=C.COC(=O)C(C)=C.CCCCOC(=O)C=C QHIWVLPBUQWDMQ-UHFFFAOYSA-N 0.000 description 2
- 229920006026 co-polymeric resin Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007756 gravure coating Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 239000011118 polyvinyl acetate Substances 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- NQAJBKZEQYYFGK-UHFFFAOYSA-N 2-[[4-[2-(4-cyclohexylphenoxy)ethyl-ethylamino]-2-methylphenyl]methylidene]propanedinitrile Chemical compound C=1C=C(C=C(C#N)C#N)C(C)=CC=1N(CC)CCOC(C=C1)=CC=C1C1CCCCC1 NQAJBKZEQYYFGK-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229920000084 Gum arabic Polymers 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 241000978776 Senegalia senegal Species 0.000 description 1
- 239000000205 acacia gum Substances 0.000 description 1
- 235000010489 acacia gum Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000004840 adhesive resin Substances 0.000 description 1
- 229920006223 adhesive resin Polymers 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000006081 fluorescent whitening agent Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000003847 radiation curing Methods 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 229910021487 silica fume Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は熱転写カバーフィルムに関し、更に詳しくは熱
転写画像等に優れた耐摩擦性、耐薬品性、耐溶剤性等の
耐久性を与えることが出来る熱転写カバーフィルムに関
する。Detailed Description of the Invention (Field of Industrial Application) The present invention relates to a thermal transfer cover film, and more specifically, it is capable of imparting durability such as excellent abrasion resistance, chemical resistance, solvent resistance, etc. to thermal transfer images, etc. Regarding the thermal transfer cover film that can be made.
（従来の技術及びその問題点）
従来、簡便な印刷方法として熱転写方法が広く使用され
る様になった。これらの熱転写方法では、各種の画像が
簡便に形成されるので、印刷枚数が比較的少な（でもよ
い印刷物、例えば、身分証明書等のＩＤカードの作成等
に利用される様になっている。(Prior Art and its Problems) Conventionally, thermal transfer methods have come to be widely used as a simple printing method. These thermal transfer methods allow various types of images to be formed easily, so they are being used to produce printed matter that requires only a relatively small number of prints, such as ID cards such as identification cards.
又、顔写真等の如くカラー画像が好ましい場合には、連
続した基材フィルム上に、例えば、イエロー、マゼンダ
及びシアン（更に必要に応じてブラック）の昇華性染料
層を面順次に繰返し多数設けた長尺熱転写フィルムを用
いる熱転写方法が行なわれている。If a color image is preferred, such as a photograph of a face, a large number of sublimable dye layers of yellow, magenta, and cyan (and black if necessary), for example, are repeatedly provided in sequence on a continuous base film. A thermal transfer method using a long thermal transfer film has been carried out.
以上の如き熱転写フィルムで、身分証明書等のＩＤカー
ドを作成する場合、形成された画像は通常の印刷インキ
とは異なり、ビヒクルか無い為、耐光性、耐候性、耐摩
擦性等の耐久性に劣り、更に可塑剤を含むカードケース
、ファイルシート、プラスチック消しゴム等と接触する
と、これらに染料が移行したり、画像が滲む等の耐薬品
性や耐溶剤性等に劣るという問題もある。When creating ID cards such as identification cards using the above thermal transfer film, unlike ordinary printing ink, the formed image has no vehicle, so it has durability such as light resistance, weather resistance, and abrasion resistance. In addition, when it comes into contact with card cases, file sheets, plastic erasers, etc. that contain plasticizers, dyes may transfer to these materials, and images may bleed, resulting in poor chemical and solvent resistance.
上記問題を解決する方法として、本発明者は以前に画像
面に透明樹脂層を転写することが出来る熱転写カバーフ
ィルムを使用する方法を提案した。この方法によれば、
優れた耐久性の画像が提供される。As a method for solving the above problem, the present inventor has previously proposed a method using a thermal transfer cover film that can transfer a transparent resin layer to an image surface. According to this method,
Provides images with excellent durability.
又、画像形成工程を簡略化する目的で、基材フィルム上
に昇華性染料層と上記透明樹脂層とを面順次に設けて、
染料層を利用して画像を形成後、引き続き形成された画
像面に透明樹脂層を転写形成する方法も提案した。In addition, for the purpose of simplifying the image forming process, a sublimable dye layer and the above-mentioned transparent resin layer are sequentially provided on the base film,
They also proposed a method in which, after forming an image using a dye layer, a transparent resin layer is subsequently transferred onto the formed image surface.
しかしながら、上記の複合熱転写フィルムの場合、染料
層は基材フィルムに強（接着していることが要求される
。この様な要求を満たすために接着性を改良した所謂易
接着フィルムの使用が提案されているが、この場合には
、染料層に対して面順次に形成される透明樹脂層の剥離
が困難になるという問題が発生した。However, in the case of the above-mentioned composite thermal transfer film, the dye layer is required to have strong adhesion to the base film.In order to meet this requirement, it has been proposed to use a so-called easy-adhesion film with improved adhesive properties. However, in this case, a problem occurred in that it became difficult to peel off the transparent resin layer that was formed in a plane-sequential manner with respect to the dye layer.
従って本発明の目的は、上記従来技術の問題点を解決し
、熱転写画像に各種耐久性を付与することが出来る熱転
写カバーフィルムを提供することである。Therefore, an object of the present invention is to provide a thermal transfer cover film that can solve the problems of the prior art described above and impart various durability to thermal transfer images.
（問題点を解決する為の手段） 上記目的は以下の本発明によって達成される。(Means for solving problems) The above objects are achieved by the present invention as described below.
即ち、本発明は、易接着暴利フィルムの一方の面に剥離
層を介して透明樹脂層を設けてなる熱転写カバーフィル
ムにおいて、上記剥離層が親水性樹脂からなることを特
徴とする熱転写カバーフィルムである。That is, the present invention provides a thermal transfer cover film comprising a transparent resin layer provided on one side of an easily adhesive profiteering film with a release layer interposed therebetween, wherein the release layer is made of a hydrophilic resin. be.
（作 用）
易接着基ＩＪフィルムの一方の面に親水性樹脂からなる
剥離層を介してして透明樹脂層を設けることによって、
染料層の接着性を損なうことな（、透明樹脂層の剥離性
を向上させることが出来る。(Function) By providing a transparent resin layer on one side of the easily adhesive base IJ film through a release layer made of a hydrophilic resin,
It can improve the peelability of the transparent resin layer without impairing the adhesion of the dye layer.
（好ましい実施態様）
次に好ましい実施態様を図解的に示す添付図面を参照し
て本発明を更に具体的に説明する。(Preferred Embodiments) Next, the present invention will be described in more detail with reference to the accompanying drawings that schematically show preferred embodiments.
第１図は本発明の好ましい１実施態様の熱転写カバーフ
ィルムの断面を図解的に示す図であり、この実施例の熱
転写カバーフィルムは、易接着層２を有する基材フィル
ム１上に剥離層３を介して透明樹脂層４が剥離可能に設
けられ、更にその上に感熱接着剤層５が設けられている
。又、６は背面層であり、プリンターのサーマルヘッド
の粘着を防止する作用を有している。この層６は基材フ
ィルムの耐熱性やスリップ性が良好である場合には不要
である。FIG. 1 is a diagram schematically showing a cross section of a thermal transfer cover film according to a preferred embodiment of the present invention. A transparent resin layer 4 is removably provided through the transparent resin layer 4, and a heat-sensitive adhesive layer 5 is further provided thereon. Further, 6 is a back layer, which has the function of preventing the thermal head of the printer from sticking. This layer 6 is unnecessary if the base film has good heat resistance and slip properties.
次に使用材料及び形成方法等により本発明の熱転写カバ
ーフィルムを更に詳しく説明する。Next, the thermal transfer cover film of the present invention will be explained in more detail using the materials used, the forming method, etc.
本発明で使用する易接着基材フィルムは、ポリエステル
フィルム等のプラスチックフィルムの表面に易接着層を
形成した基材フィルムであり、かかる易接着層とは、例
えば、特開昭６２ ２０４９３９号、同６２−２５７８
４４号公報等に記載された表面処理方法により形成され
るものであり、更に具体的には、基材フィルムの表面に
、例えば、熱硬化型、触媒硬化型、電離放射線硬化型等
の架橋型ポリウレタン系樹脂、アクリル系樹脂、メラミ
ン系樹脂又はエポキシ系樹脂等の水分散体又は有機溶剤
溶液を調製し、この塗工液を任意の塗布方法により塗布
し乾燥することによって形成される。この際形成される
易接着層の厚みは１μｍ以下、好ましくは０．０５〜１
．０μｍの厚みである。The easily adhesive base film used in the present invention is a base film in which an easily adhesive layer is formed on the surface of a plastic film such as a polyester film. 62-2578
It is formed by the surface treatment method described in Publication No. 44, etc., and more specifically, a crosslinked type such as a thermosetting type, a catalyst curing type, an ionizing radiation curing type, etc. is applied to the surface of the base film. It is formed by preparing an aqueous dispersion or organic solvent solution of polyurethane resin, acrylic resin, melamine resin, epoxy resin, etc., applying this coating liquid by any coating method, and drying. The thickness of the easily adhesive layer formed at this time is 1 μm or less, preferably 0.05 to 1 μm.
．． The thickness is 0 μm.
特にこれらの易接着層は均一な厚みに形成するのが好ま
しく、基材フィルムの延伸処理前に数μｍの厚みの易接
着層を形成しておき、その後に基材フィルムを２軸延伸
処理することによって易接着層の厚みを１μｍ以下とし
て均一な薄膜の易接着層とすることが出来る。In particular, it is preferable that these easy-adhesive layers be formed to have a uniform thickness, and the easy-adhesive layer several μm thick is formed before the base film is stretched, and then the base film is biaxially stretched. By doing so, the thickness of the easy-adhesive layer can be set to 1 μm or less, and a uniform thin film of the easy-adhesive layer can be obtained.
この基材フィルムの厚さは、その強度及び耐熱性等が適
切になる様に、材料に応じて適宜変更することが出来る
が、その厚さは、好ましくば、３〜１１００ＬＬである
。The thickness of this base film can be changed as appropriate depending on the material so that its strength, heat resistance, etc. are appropriate, but the thickness is preferably 3 to 1100 LL.
上記易接着層上に設ける剥離層は、ポリビニルアルコー
ル、ポリビニルピロリドン、ゼラチン、カルボキシメチ
ルセルロース、メチルセルロース、ポリエチレンオキシ
ド、アラビアゴム等の親水性樹脂から形成する。この様
な親水性樹脂から剥離層を形成することによって、剥離
層形成時には水性の樹脂溶液を使用する結果、前記基材
フィルムの易接着層を破壊することがない。又、この剥
離層の表面の透明樹脂層を設ける際に使用される有機溶
剤によって剥離層が侵されず、良好な剥離性及び剥離後
の表面特性に優れた透明樹脂層が形成される。尚、剥離
層は剥離性が高ければ高い程良いのではな（、透明樹脂
層の箔切れを良好にするためには、適度な接着性を有し
ていることが要求される。それ故に剥離層の形成に際し
ては、水性ポリエステル樹脂、水性ポリウレタン樹脂、
水性アクリル樹脂、水性ポリアミド樹脂等の接着性の高
い樹脂を加え、形成される剥離層の剥離性を調節するこ
とができる。剥離層の厚みは０．０５〜５μｍ程度で十
分である。又、転写後に艶消透明樹脂層が望ましい場合
には、剥離層中に各種の粒子を包含させるか或は剥離層
側表面をマット処理した基材フィルムを使用することに
より、表面マット状にすることも出来る。The peeling layer provided on the easily bonding layer is formed from a hydrophilic resin such as polyvinyl alcohol, polyvinylpyrrolidone, gelatin, carboxymethylcellulose, methylcellulose, polyethylene oxide, and gum arabic. By forming the release layer from such a hydrophilic resin, an aqueous resin solution is used when forming the release layer, so that the easily adhesive layer of the base film is not destroyed. Further, the release layer is not attacked by the organic solvent used when providing the transparent resin layer on the surface of the release layer, and a transparent resin layer with good releasability and excellent surface properties after peeling is formed. The higher the releasability of the release layer, the better. When forming the layer, water-based polyester resin, water-based polyurethane resin,
The releasability of the formed release layer can be adjusted by adding a highly adhesive resin such as an aqueous acrylic resin or an aqueous polyamide resin. A thickness of about 0.05 to 5 μm is sufficient for the release layer. In addition, if a matte transparent resin layer is desired after transfer, the surface can be made matte by incorporating various particles into the release layer or by using a base film whose surface on the release layer side is matt-treated. You can also do that.
上記剥離層の表面に形成する透明樹脂層は、耐摩擦性、
耐薬品性、透明性、硬度等に優れた種々の樹脂、例えば
、ポリエステル樹脂、ボリスヂレン樹脂、アクリル樹脂
、ポリウレタン樹脂、アクリルウレタン樹脂、これらの
樹脂のシリコーン変性樹脂及びこれらの各樹脂の混合物
等が挙げられる。これらの樹脂は透明性に優れているが
、比較的強靭な被膜を形成する傾向があるので、転写時
における箔切れが十分とは言えないので、これらの透明
樹脂にシリカ、アルミナ、炭酸カルシウム、プラスチッ
クピグメント等の透明性の高い微粒子やワックス等を樹
脂の透明性を害さない程度に添加してもよい。The transparent resin layer formed on the surface of the release layer has abrasion resistance,
Various resins with excellent chemical resistance, transparency, hardness, etc., such as polyester resins, borisdylene resins, acrylic resins, polyurethane resins, acrylic urethane resins, silicone-modified resins of these resins, and mixtures of these resins, etc. Can be mentioned. Although these resins have excellent transparency, they tend to form a relatively tough film, so it cannot be said that the foil breaks sufficiently during transfer. Highly transparent fine particles such as plastic pigments, wax, etc. may be added to an extent that does not impair the transparency of the resin.
基材フィルム上に剥離層を、その上に透明樹脂層を形成
する方法としては、グラビアコート、グラビアリバース
コートロールコートその他多くの手段で上記樹脂を含む
インキを塗布及び乾燥する方法等が挙げられる。透明樹
脂層の厚みは好ましくは０．１〜２０μｍ程度である。Examples of methods for forming a release layer on a base film and a transparent resin layer thereon include methods of applying and drying an ink containing the above resin by gravure coating, gravure reverse coating roll coating, and many other methods. . The thickness of the transparent resin layer is preferably about 0.1 to 20 μm.
又、上記透明樹脂層の形成に際しては、該透明樹脂層に
、滑剤、紫外線吸収剤、酸化防止剤及び／又は蛍光増白
剤等の添加剤を含有させることによって、被覆される各
種画像の耐スクラッチ性、光沢、耐光性、耐候性、白色
度等を向上させることが出来る。Furthermore, when forming the transparent resin layer, additives such as a lubricant, an ultraviolet absorber, an antioxidant, and/or a fluorescent whitening agent may be added to the transparent resin layer to improve the durability of various images to be coated. Scratch resistance, gloss, light resistance, weather resistance, whiteness, etc. can be improved.
更に上記の透明樹脂層の表面には、これらの層の転写性
を良好にする為に、感熱接着剤層を設ける。これらの感
熱接着剤層は、例えば、アクリル樹脂、ポリ塩化ビニル
樹脂、ポリ酢酸ビニル樹脂、塩化ビニル・酢酸ビニル共
重合樹脂、ポリエステル樹脂等の如（熱時接着性の良好
な樹脂の溶液を塗布及び乾燥することによって、好まし
くは０．１〜１０μｍ程度の厚みに形成する。Furthermore, a heat-sensitive adhesive layer is provided on the surface of the above-mentioned transparent resin layer in order to improve the transferability of these layers. These heat-sensitive adhesive layers are made of, for example, acrylic resin, polyvinyl chloride resin, polyvinyl acetate resin, vinyl chloride/vinyl acetate copolymer resin, polyester resin, etc. By drying, it is preferably formed to a thickness of about 0.1 to 10 μm.
好ましい感熱接着剤は、Ｔｇが４０〜７５℃、更に好ま
しくはＴｇ＝６０〜７０℃の熱可塑性樹脂であり、又、
重合度が５０〜３００、更に好ましくは５０〜２５０の
ポリ塩化ビニル樹脂、ポリ酢酸ビニル樹脂、塩化ビニル
・酢酸ビニル共重合樹脂である。A preferred thermosensitive adhesive is a thermoplastic resin having a Tg of 40 to 75°C, more preferably a Tg of 60 to 70°C, and
Polyvinyl chloride resin, polyvinyl acetate resin, and vinyl chloride/vinyl acetate copolymer resin having a degree of polymerization of 50 to 300, more preferably 50 to 250.
以上が本発明の熱転写カバーフィルムの構成であるが、
かかる熱転写カバーフィルムの透明樹脂層は基材フィル
ム上に単独で設けてもよいし、昇華型染料層や転写受容
層と面順次に設けてもよいのは当然である。The above is the structure of the thermal transfer cover film of the present invention,
It goes without saying that the transparent resin layer of such a thermal transfer cover film may be provided alone on the base film, or may be provided surface sequentially with the sublimation dye layer and the transfer receiving layer.
第２図に前記透明樹脂層を染料層と面順次に設けた複合
熱転写フィルムの断面を図解的に示す。FIG. 2 schematically shows a cross section of a composite thermal transfer film in which the transparent resin layer and the dye layer are provided in plane sequence.
基材フィルム１の易接着層２上に形成する染料層７は、
染料を任意のバインダー樹脂で担持させた層である。使
用する染料としては、従来公知の熱転写フィルムに使用
されている染料はいずれも本発明に有効に使用可能であ
り特に限定されない。上記の如き染料を担持する為のバ
インダー樹脂としては、従来公知のものがいずれも使用
できる。The dye layer 7 formed on the easily adhesive layer 2 of the base film 1 is
This is a layer in which a dye is supported by an arbitrary binder resin. The dye to be used is not particularly limited, as any dye used in conventionally known thermal transfer films can be effectively used in the present invention. As the binder resin for supporting the above dye, any conventionally known binder resin can be used.
剥離層３を介して易接着層２」二に形成された透明樹脂
層４と染料層７との関係は特に限定されないが、例えば
、７Ｙ中７Ｍ中７Ｃ中７８ｋに）透明樹脂層４の順序や
、７Ｙに）透明樹脂層４に）７Ｍ−Ｅ透明樹脂層４に）
７ｃｍ＞透明樹脂層４に）７８ｋに）透明樹脂層４（不
図示）等の順序が挙げられる。The relationship between the transparent resin layer 4 and the dye layer 7 formed on the easy-adhesion layer 2 through the release layer 3 is not particularly limited, but for example, the order of the transparent resin layer 4 (on 7Y, 7M, 7C, 78K) is not particularly limited. 7Y) to transparent resin layer 4) to 7M-E transparent resin layer 4)
Examples of the order include: 7cm>transparent resin layer 4) 78k) transparent resin layer 4 (not shown).
この様な複合熱転写フィルムによれば、各染料層で所望
の画像を形成し、引き続き透明樹脂層を画像面に転写形
成することができる。According to such a composite thermal transfer film, a desired image can be formed using each dye layer, and then a transparent resin layer can be transferred and formed on the image surface.
更に上記第２図示の例において、染料層の前に転写受容
層（不図示）を形成しておけば、染料受容性のない一般
の紙等を使用し、先ず必要領域に染料受容層を転写させ
、次いで各染料層で所望の画像を染料受容層に形成し、
引き続き透明樹脂層を画像面に転写形成することができ
る。Furthermore, in the example shown in the second figure above, if a transfer-receiving layer (not shown) is formed before the dye layer, the dye-receiving layer can be first transferred to the required area using ordinary paper that does not have dye receptivity. and then forming the desired image in the dye-receiving layer with each dye layer;
Subsequently, a transparent resin layer can be transferred onto the image surface.
上記の如き熱転写カバーフィルムを用いて保護する画像
は、昇華型熱転写方法による画像が好ましいが、これら
の画像に限定されない。特に昇華転写画像に適用する場
合には、該画像の保護層が形成されると共に、転写時の
熱によって画像を形成している染料が再発色処理される
ので、画像が一層鮮明になるという効果がある。The image to be protected using the thermal transfer cover film as described above is preferably an image formed by a sublimation type thermal transfer method, but is not limited to these images. In particular, when applied to sublimation transfer images, a protective layer is formed for the image, and the dye forming the image is recolored by the heat during transfer, making the image even clearer. There is.
透明樹脂層の転写方法は、熱転写用のサーマルヘッドを
備えた一般のプリンター、転写箔用のホットスタンパ−
２熱ロール等、受容層又は接着■
剤層が活性化される温度に加熱可能ないずれの加熱加圧
手段でもよい。The transparent resin layer can be transferred using a general printer equipped with a thermal head for thermal transfer or a hot stamper for transfer foil.
Any heating and pressing means capable of heating the receiving layer or the adhesive layer to a temperature such as a two-heat roll may be used.
（実施例）
次に実施例及び比較例を挙げて本発明を更に具体的に説
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。(Example) Next, the present invention will be explained in more detail by giving examples and comparative examples. In the text, parts or percentages are based on weight unless otherwise specified.
実施例１
背面に耐熱滑性層を形成した厚さ２５４ｚｍのポリエチ
レンテレフタレートフィルム（＃２５、東し■製）の表
面に、熱硬化型アクリル−ウレタン系樹脂の溶液（昭和
インク（絹製）をグラビアコート法により乾燥時１μｍ
以下（０３〜０５μｍ）の厚みに塗布し、１７０″Ｃで
１分間乾燥及び硬化させて易接着層を形成し、その表面
に下記組成の離型層用塗工液を幅９０ｃｍの間隔を置い
て３０ｃｍ幅に乾燥時０．５ｇ／ｒｒｒの割合で塗布及
び乾燥して離型層を形成した。Example 1 A thermosetting acrylic-urethane resin solution (Showa Ink (manufactured by Silk)) was applied to the surface of a 254 zm thick polyethylene terephthalate film (#25, manufactured by Toshi ■) with a heat-resistant slipping layer formed on the back surface. 1μm when dry by gravure coating method
Coat to the following thickness (03 to 05 μm), dry and cure at 170"C for 1 minute to form an easy-to-adhesive layer, and then apply a coating solution for a release layer having the following composition on the surface at intervals of 90 cm in width. A mold release layer was formed by applying and drying the mixture to a width of 30 cm at a dry rate of 0.5 g/rrr.
証駐雁■亘工遣
ポリビニルアルコール樹脂（日本合成化学（絹製、ＡＨ
−２６） ２部親水性ポリウレタ
ン樹脂（ハイトランＡＰ４０、大日本インキ化学工業■
製） １部水／エタノール（１／ １． ’）
９７部次に下記の組成の透明樹脂層用塗工
液をバーコーターにより乾燥時３．０ｇ／ｎｆになる割
合で上記離型層に整合させて塗布し、ドライヤーで仮乾
燥後、１００℃のオーブン中で３０分間乾燥して透明樹
脂層を形成し、更に下記接着剤溶液を夫々の透明樹脂層
に整合させて同様にして乾燥時１、Ｑｇ／ｒｒｌ’の割
合で塗布及び乾燥して接着剤層を形成した。*Wataru Kouki polyvinyl alcohol resin (Nippon Gosei (silk, AH)
-26) 2-part hydrophilic polyurethane resin (Hytran AP40, Dainippon Ink & Chemicals ■
1 part water/ethanol (1/1.')
97 parts Next, a coating solution for a transparent resin layer having the following composition was coated on the above mold release layer at a drying rate of 3.0 g/nf using a bar coater, and after temporary drying using a dryer, it was heated at 100°C. Dry in an oven for 30 minutes to form a transparent resin layer, then apply the following adhesive solution to each transparent resin layer and apply in the same manner at a ratio of 1, Qg/rrl' when dry, and dry to bond. A coating layer was formed.
遣用皿胆五■イ２ま
アクリル樹脂（ＢＲ−８３、三菱レイヨン■製）
２０部ポリエチレンワック
ス １部メチルエチルケトン
４０部トルエン
４０部換萱剋装里イ２き
塩化ビニル／酢酸ビニル共重合体（＃１０００Ａ、電気
化学■製） ２０部マイクロシリカ
１部メチルエチルケトン
４０部トルエン
４０部続いて下記組成の３種の染料層用インキを調
製し、離型層が形成されていない基材フィルム面に夫々
幅３０ｃｍづつ乾燥塗布量が１．０ｇ／ｍになる様にグ
ラビアコーターにより塗布及び乾燥し、本発明の複合熱
転写カバーフィルムを得た。Spray plate 5 x 2 acrylic resin (BR-83, manufactured by Mitsubishi Rayon)
20 parts polyethylene wax 1 part methyl ethyl ketone
40 parts toluene
40 parts Vinyl chloride/vinyl acetate copolymer (#1000A, manufactured by Denki Kagaku ■) 20 parts Microsilica
1 part methyl ethyl ketone
40 parts toluene
40 parts Subsequently, three types of dye layer inks having the following compositions were prepared, and coated with a gravure coater so that the dry coating amount was 1.0 g/m on each 30 cm width of the base film surface on which the release layer was not formed. The composite thermal transfer cover film of the present invention was obtained by coating and drying.
東皿１」トに七阻成
分散染料 ４．０部エチルヒ
ドロキシセルロース（バーキュレス社製）
５．０部メチルエチルケトン／トルエ
ン（重量比１／１）８０．０部
ジオキサン １０．０都立敗束
狙ニ
ジアン：カヤセットブルー７１４、日本化薬（ａ）製イ
エロー： Ｍａｃｒｏｌｅｘ Ｙｅｌｌｏｗ ６Ｇ、バ
イエル社製マゼンタ： Ｃ，１，Ｄｉｓｐｅｒｓｅ Ｒ
ｅｄ６０前記の複合熱転写カバーフィルムの染料層面と
染料受容層を設けた受像紙とを重ね合せ、サーマルヘッ
ドを用いて、出力ＩＷ／ドツト、パルス幅０、 ３〜０
． ４５ｍ５ｅｃ、、ドツト密度３ドツト／ｍｍの条件
で、原稿を色分解して得られたイエロー信号に従ってイ
エロー画像を形成した。更にマゼンタ信号により同様に
マゼンタ染料を、更に同様のシアン信号によりシアン染
料を転写させてフルカラー画像を形成し、更にその画像
面に透明樹脂層を同様の条件で転写させた。East Plate 1" 4.0 parts ethyl hydroxy cellulose (manufactured by Vercules)
5.0 parts Methyl ethyl ketone/toluene (weight ratio 1/1) 80.0 parts Dioxane 10.0 Metropolitan Loss Aiming Nijian: Kayaset Blue 714, Nippon Kayaku (a) Yellow: Macrolex Yellow 6G, Bayer Magenta : C, 1, Disperse R
ed60 The dye layer surface of the above composite thermal transfer cover film and the image receiving paper provided with the dye receiving layer are superimposed, and using a thermal head, the output IW/dot and pulse width are 0, 3 to 0.
．． A yellow image was formed according to yellow signals obtained by color-separating the original under conditions of 45 m5 ec and a dot density of 3 dots/mm. Further, a magenta dye was similarly transferred using a magenta signal, and a cyan dye was further transferred using a similar cyan signal to form a full-color image, and a transparent resin layer was further transferred onto the image surface under the same conditions.
実施例２〜６
実施例１における剥離層用塗工液として下記第１表の塗
工液を使用し、他は実施例１と同様に複合熱転写フィル
ムを形成し、同様の画像形成を行った。Examples 2 to 6 The coating liquid shown in Table 1 below was used as the coating liquid for the release layer in Example 1, and a composite thermal transfer film was formed in the same manner as in Example 1, and the same image formation was performed. .
（以下余白）
第
表
比較例１
剥離層を形成しなかったことを除き、他は実施例１と同
様に比較例の複合熱転写フィルムを形成し、同様の画像
形成を行った。(Margin below) Table Comparative Example 1 A composite thermal transfer film of a comparative example was formed in the same manner as in Example 1 except that no release layer was formed, and image formation was performed in the same manner.
以上の実施例及び比較例の画像形成に際し、透明樹脂層
の離型性及び転写時の箔切れ性を評価して下記第２表に
記載の結果を得た。When forming images in the above Examples and Comparative Examples, the mold releasability of the transparent resin layer and the foil tearability during transfer were evaluated, and the results shown in Table 2 below were obtained.
（効 果）
以上の如き本発明によれば、易接着基材フィルムの一方
の面に親水性樹脂からなる剥離層を介してして透明樹脂
層を設けることによって、染料層の接着性を損なうこと
な（、透明樹脂層の剥離性を向上させることが出来る。(Effect) According to the present invention as described above, by providing a transparent resin layer on one side of the easily adhesive base film through a release layer made of a hydrophilic resin, the adhesiveness of the dye layer is impaired. It is possible to improve the releasability of the transparent resin layer.
第１図及び第２図は本発明の熱転写カバーフィルムの断
面を図解的に説明する図である。
１：基材フィルム ２：易接着層
３；剥離層 ４；透明樹脂層
５：接着剤層 ６：背面層
７：染料層
（他１名）FIGS. 1 and 2 are diagrams illustrating a cross section of the thermal transfer cover film of the present invention. 1: Base film 2: Easy adhesion layer 3; Peeling layer 4: Transparent resin layer 5: Adhesive layer 6: Back layer 7: Dye layer (1 other person)
Claims (3)
して透明樹脂層を設けてなる熱転写カバーフィルムにお
いて、上記剥離層が親水性樹脂からなることを特徴とす
る熱転写カバーフィルム。(1) A thermal transfer cover film comprising a transparent resin layer provided on one side of an easily adhesive base film with a release layer interposed therebetween, wherein the release layer is made of a hydrophilic resin.
項１に記載の熱転写カバーフィルム。(2) The thermal transfer cover film according to claim 1, wherein an adhesive layer is formed on the surface of the transparent resin layer.
料層及び／又は転写性染料受容層が形成されている請求
項１に記載の熱転写カバーフィルム。(3) The thermal transfer cover film according to claim 1, wherein in addition to the transparent resin layer, a dye layer and/or a transferable dye-receiving layer are sequentially formed on the base film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02265104A JP3096691B2 (en) | 1990-10-04 | 1990-10-04 | Thermal transfer cover film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02265104A JP3096691B2 (en) | 1990-10-04 | 1990-10-04 | Thermal transfer cover film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04142988A true JPH04142988A (en) | 1992-05-15 |
| JP3096691B2 JP3096691B2 (en) | 2000-10-10 |
Family
ID=17412663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP02265104A Expired - Fee Related JP3096691B2 (en) | 1990-10-04 | 1990-10-04 | Thermal transfer cover film |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3096691B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08276672A (en) * | 1995-04-07 | 1996-10-22 | Toppan Printing Co Ltd | Thermal transfer recorded image protective medium |
| WO2008038659A1 (en) | 2006-09-28 | 2008-04-03 | Dai Nippon Printing Co., Ltd. | Decorative sheet |
| JP2008546558A (en) * | 2005-06-17 | 2008-12-25 | ギーゼッケ ウント デフリエント ゲーエムベーハー | Image receiving layer for portable data storage medium suitable for thermography and portable data storage medium |
| EP2033803A1 (en) | 2007-09-06 | 2009-03-11 | Dai Nippon Printing Co., Ltd. | Protective layer transfer sheet |
| JP2009061684A (en) * | 2007-09-06 | 2009-03-26 | Dainippon Printing Co Ltd | Protective layer transfer sheet |
| JP2010052297A (en) * | 2008-08-28 | 2010-03-11 | Fujifilm Corp | Thermal transfer sheet and image formation method |
| CN108528081A (en) * | 2018-04-16 | 2018-09-14 | 江苏学泰印务有限公司 | A kind of radium-shine heat transfer film of rear pressure and its production technology of three-dimensional environmental protection |
| CN109689391A (en) * | 2016-09-30 | 2019-04-26 | 大日本印刷株式会社 | Hot transfer piece |
-
1990
- 1990-10-04 JP JP02265104A patent/JP3096691B2/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08276672A (en) * | 1995-04-07 | 1996-10-22 | Toppan Printing Co Ltd | Thermal transfer recorded image protective medium |
| JP2008546558A (en) * | 2005-06-17 | 2008-12-25 | ギーゼッケ ウント デフリエント ゲーエムベーハー | Image receiving layer for portable data storage medium suitable for thermography and portable data storage medium |
| WO2008038659A1 (en) | 2006-09-28 | 2008-04-03 | Dai Nippon Printing Co., Ltd. | Decorative sheet |
| EP2033803A1 (en) | 2007-09-06 | 2009-03-11 | Dai Nippon Printing Co., Ltd. | Protective layer transfer sheet |
| JP2009061684A (en) * | 2007-09-06 | 2009-03-26 | Dainippon Printing Co Ltd | Protective layer transfer sheet |
| JP2010052297A (en) * | 2008-08-28 | 2010-03-11 | Fujifilm Corp | Thermal transfer sheet and image formation method |
| US8222185B2 (en) | 2008-08-28 | 2012-07-17 | Fujifilm Corporation | Heat-sensitive transfer sheet and image forming method |
| CN109689391A (en) * | 2016-09-30 | 2019-04-26 | 大日本印刷株式会社 | Hot transfer piece |
| CN108528081A (en) * | 2018-04-16 | 2018-09-14 | 江苏学泰印务有限公司 | A kind of radium-shine heat transfer film of rear pressure and its production technology of three-dimensional environmental protection |
| CN108528081B (en) * | 2018-04-16 | 2023-09-12 | 江苏学泰印务有限公司 | Three-dimensional environment-friendly post-pressing laser thermal transfer film and production process thereof |
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| Publication number | Publication date |
|---|---|
| JP3096691B2 (en) | 2000-10-10 |
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