JPS63193886A - Thermal transfer recording medium - Google Patents
Thermal transfer recording mediumInfo
- Publication number
- JPS63193886A JPS63193886A JP62025487A JP2548787A JPS63193886A JP S63193886 A JPS63193886 A JP S63193886A JP 62025487 A JP62025487 A JP 62025487A JP 2548787 A JP2548787 A JP 2548787A JP S63193886 A JPS63193886 A JP S63193886A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- heat
- softening
- recording medium
- elongation
- 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
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- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 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
- 239000000843 powder Substances 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- QLNJFJADRCOGBJ-UHFFFAOYSA-N propionamide Chemical compound CCC(N)=O QLNJFJADRCOGBJ-UHFFFAOYSA-N 0.000 description 1
- 229960003351 prussian blue Drugs 0.000 description 1
- 239000013225 prussian blue Substances 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 239000012056 semi-solid material Substances 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 239000012176 shellac wax Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- MXNUCYGENRZCBO-UHFFFAOYSA-M sodium;ethene;2-methylprop-2-enoate Chemical compound [Na+].C=C.CC(=C)C([O-])=O MXNUCYGENRZCBO-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 235000019385 spermaceti wax Nutrition 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- JOUDBUYBGJYFFP-FOCLMDBBSA-N thioindigo Chemical compound S\1C2=CC=CC=C2C(=O)C/1=C1/C(=O)C2=CC=CC=C2S1 JOUDBUYBGJYFFP-FOCLMDBBSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
- 239000012178 vegetable wax Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
- B41M5/42—Intermediate, backcoat, or covering layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/382—Contact thermal transfer or sublimation processes
- B41M5/38207—Contact thermal transfer or sublimation processes characterised by aspects not provided for in groups B41M5/385 - B41M5/395
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/382—Contact thermal transfer or sublimation processes
- B41M5/38207—Contact thermal transfer or sublimation processes characterised by aspects not provided for in groups B41M5/385 - B41M5/395
- B41M5/38214—Structural details, e.g. multilayer systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
- B41M5/42—Intermediate, backcoat, or covering layers
- B41M5/423—Intermediate, backcoat, or covering layers characterised by non-macromolecular compounds, e.g. waxes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
- B41M5/42—Intermediate, backcoat, or covering layers
- B41M5/44—Intermediate, backcoat, or covering layers characterised by the macromolecular compounds
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Abstract
Description
【発明の詳細な説明】
[産業上の利用分野]
本発明は感熱転写記録媒体に関する。さらに詳しくは、
本発明は、表面の平滑性か低い被転写媒体についても良
質な印字を形成させることができる感熱転写記録媒体に
関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a thermal transfer recording medium. For more details,
The present invention relates to a thermal transfer recording medium that can form high-quality prints even on transfer media with low surface smoothness.
[従来技術]
は、基本的に、シート状の支持体上に、熱溶融性物質に
着色剤を分散させてなる熱溶融性インク層か形成されて
なる構造を有し、この感熱転写記録媒体のインク層を被
転写媒体(一般には紙)に重ねた状1Bで感熱転写記録
媒体の支持体側からサーマルヘッドにより加熱し、溶融
したインク層を被転写媒体に転写することで、加熱部位
に応じたインク像を形成させるものである。[Prior art] basically has a structure in which a heat-melt ink layer made of a heat-melt material with a colorant dispersed thereon is formed on a sheet-like support, and this heat-sensitive transfer recording medium The ink layer of 1B is stacked on a transfer medium (generally paper) and heated by a thermal head from the support side of the thermal transfer recording medium, and the molten ink layer is transferred to the transfer medium, depending on the heating area. It forms an ink image.
感熱転写記録媒体を用いて、平滑性の高い被転写媒体へ
は良好な印字か行なうことができ名が、平滑性の低い被
転写媒体を用いた場合には印字品質か著しく低下すると
の問題かある。It is possible to perform good printing on a highly smooth transfer medium using a thermal transfer recording medium, but the problem is that when a transfer medium with low smoothness is used, the print quality deteriorates significantly. be.
この問題は、最も広範に使用されている被転写媒体であ
る紙を使用する場合に、特に問題となる。即ち、平滑性
の高い紙はむしろ特殊であり、通常の紙は繊維の絡み合
いにより、かなりの凹凸を有している。たとえば、ベッ
ク平滑度かlO秒程度であるラフベーパーにおいては、
凸部頂上から四部最深出没かlOルm以上の部分か数多
くある。This problem is particularly problematic when using paper, which is the most widely used transfer medium. That is, paper with high smoothness is rather special, and ordinary paper has considerable irregularities due to the entanglement of fibers. For example, in rough vapor with Bekk smoothness of about 10 seconds,
From the top of the convex part, there are many parts where the four parts are the deepest or more than 100m deep.
++ハト^f>位I〒賑1社社π引々−J l+ff
Ik 六−In hプ叙七官による印字を行なうと、印
字濃度か低かったり、印字の一部か欠けたりして、品質
の高い印字を行なうことがてきない。++ pigeon ^f> place I〒bustling 1 company π pull-J l+ff
When printing is performed using Ik6-Inh, the print density may be low or part of the print may be missing, making it impossible to print with high quality.
一方、Ii!熱転写記録媒体の表面平滑性の低い被転写
紙に対する印字品位の向上を図るために、インク層と支
持体との間に剥離層と呼ばれる層を介在させる方法か採
られている(特開昭59−224:l’12号、同60
−97888号、同60−187593号、同6〇−1
8:1192号、同60−185488号などの公報参
照)。On the other hand, Ii! In order to improve the printing quality on transfer paper with low surface smoothness of thermal transfer recording media, a method has been adopted in which a layer called a release layer is interposed between the ink layer and the support (Japanese Patent Application Laid-Open No. 59-1991). -224: l'12, same 60
-97888, 60-187593, 60-1
(See publications such as No. 8:1192 and No. 60-185488).
しかしながら、本発明者の検討によると、これら多層構
成を採る感熱転写記録媒体を用いてもラフペーパーに対
して良好な印字品質を与えることばてきないことが判明
した。However, according to studies conducted by the present inventors, it has been found that even if these thermal transfer recording media having a multilayer structure are used, it is not possible to provide good print quality on rough paper.
すなわち、上記の公報等に記載されている発明は、多層
構成でありなから、インク層自体の構成は、単層構造を
有するものと同一の着想に基づいてなされたものてあり
、剥離層等を介することによりインク層の剥離性は向上
することがあるものの、粗面に対するインク層の定着性
は、従来の単層のものと何等変ることがないので、イン
ク層かラフペーパー表面の凸部あるいは、その近傍にの
み付着して、その結果、転写移行する層のボイド率か高
くなりラフペーパーに対して良tlfな品質の印字を行
なうことができなかった。That is, since the invention described in the above-mentioned publications has a multilayer structure, the structure of the ink layer itself is based on the same idea as that of a single layer structure, and the release layer etc. Although the releasability of the ink layer may be improved by passing the ink layer through the rough surface, the fixation of the ink layer to the rough surface is no different from that of a conventional single layer. Alternatively, it adheres only in the vicinity thereof, and as a result, the void rate of the layer to be transferred becomes high, making it impossible to print with good TLF quality on rough paper.
[発明の目的] この発明は前記事情に基づいてなされたものである。[Purpose of the invention] This invention has been made based on the above circumstances.
すなわち、この発明の目的は、表面モ滑性の優れた被転
写紙は勿論のこと、表面平滑性の悪い被転写紙に対して
も高品質の印字を実現することがてきる感熱転写記録媒
体を提供することである。That is, an object of the present invention is to provide a thermal transfer recording medium that can realize high-quality printing not only on transfer paper with excellent surface smoothness but also on transfer paper with poor surface smoothness. The goal is to provide the following.
[前記目的を達成するための手段1
前記目的を達成するためのこの発明の構成は、支持体上
に、剥離層と熱軟化性層とが少なくとも一層づつ設けら
れ、かつ該熱軟化性層の少なくとも1層の27°Cにお
ける破断伸度が、70〜200%の範囲内にあることを
特徴とする感熱転写記録媒体である。[Means for achieving the above object 1] The structure of the present invention for achieving the above object is such that at least one release layer and one heat-softening layer are provided on a support, and the heat-softening layer is The thermal transfer recording medium is characterized in that the elongation at break of at least one layer at 27° C. is within the range of 70 to 200%.
本発明者はラフペーパーに対して良好な印字を行なうた
めに必要なインク層の特性について検討した結果、イン
ク層の支持体からの剥離性およびインク層の破断伸度が
ラフベーパ一対応性に影響を4える重要な因子であるこ
とを見出した。As a result of studying the characteristics of the ink layer necessary for good printing on rough paper, the inventor found that the peelability of the ink layer from the support and the elongation at break of the ink layer affect the compatibility with rough vapor. We found that this is an important factor that increases the
したがって、本発明の感熱転写記録媒体は、支持体上に
!121層と熱軟化性層とを少なくとも一層づつ有し、
かつ熱軟化性層の破断伸度か特定の範囲内にある。Therefore, the thermal transfer recording medium of the present invention can be used on a support! 121 layer and at least one thermosoftening layer,
And the elongation at break of the thermosoftening layer is within a specific range.
叉茸准
本発明の感熱転写記録媒体の支持体は、耐熱強度を有し
、寸法安定性および表面平滑性の高いことが望ましい。It is desirable that the support for the thermal transfer recording medium of the present invention has heat-resistant strength, high dimensional stability, and high surface smoothness.
その材料としては、例えば許通紙、コンデンサー紙、ラ
ミネート紙、コート紙等の紙類、あるいはポリエチレン
、ポリエチレンテレフタレート、ポリスチレン、ポリプ
ロピレン、ポリイミド等の樹脂フィルム類、紙と樹脂フ
ィルムとの複合体およびアルミ箔等の金属シート等かい
ずれも好適に使用される。Examples of such materials include paper such as transparent paper, condenser paper, laminated paper, coated paper, resin films such as polyethylene, polyethylene terephthalate, polystyrene, polypropylene, and polyimide, composites of paper and resin films, and aluminum. Metal sheets such as foils or the like are preferably used.
支持体の厚さは、良好な熱伝導性を得る上て、は、特に
155〜15gmの範囲内にあるものを用いることが好
ましい。In order to obtain good thermal conductivity, the thickness of the support is preferably within the range of 155 to 15 gm.
また、本発明において、支持体の裏面の構成は任意てあ
り、支持体かステイツキンク防止などを[目的とするバ
ッキング層を有していてもよい。Further, in the present invention, the structure of the back surface of the support is arbitrary, and the support may have a backing layer for the purpose of preventing states kink or the like.
肚11
この支持体上に少なくとも一層の!A離層を有する。剥
離層は、支持体上に二層以上塗設することもてきるが、
本発明においては、剥離層か一層であることが好ましい
。At least one layer on this support! A has delamination. Two or more release layers can be coated on the support, but
In the present invention, it is preferable that there is only one release layer.
この剥離層は、通常は、熱溶融性物質と熱可塑性樹脂と
を含み、このうち、熱溶融性物質の有する属性が支配的
になる層であって、主に熱軟化性層と支持体との接着力
を調箇するとの作用を有する層である。This release layer usually contains a heat-melting substance and a thermoplastic resin, and is a layer in which the properties of the heat-melting substance are dominant, and mainly contains a heat-melting layer and a support. This layer has the function of measuring the adhesive strength of the adhesive.
熱溶融性物質および熱可塑性樹脂は、通常のものを使用
することができる。さらに、後述の熱軟化性層を31製
する際に用いる熱溶融性物質および熱可塑性樹脂を使用
することが好ましい。Common heat-melting substances and thermoplastic resins can be used. Furthermore, it is preferable to use a thermofusible substance and a thermoplastic resin that are used when producing the thermosoftening layer 31, which will be described later.
hヒ?−Pl−愈115啼セ2Aイl÷ 飽羨−υトー
臀ン1.ては、融点か40°C以上(好ましくは40〜
150°Cの範囲内)のワックス類を使用することが好
ましく、また熱可塑性樹脂としては、エチレン−酢酸ビ
ニル系共重合体を使用することが好ましい。hhi? -Pl-Yu 115 2A Il÷ Envy-υto buttocks 1. The melting point is 40°C or higher (preferably 40~
150° C.) is preferably used, and as the thermoplastic resin, it is preferable to use an ethylene-vinyl acetate copolymer.
剥離層中での熱溶融性物質の含有率は、この層を形成す
る熱可塑性樹脂と熱溶融性¥S質との合計重量に対して
、通常は、50重量%以上(好ましく50〜g7重量%
の範囲内)である。The content of the heat-fusible substance in the release layer is usually 50% by weight or more (preferably 50 to 7g) based on the total weight of the thermoplastic resin and the heat-fusible S material forming this layer. %
(within the range).
この剥離層中には1着色剤を含有させことができるが、
基本的には着色剤を後述の熱軟化性層に含有させる態様
が好ましい。This release layer may contain a colorant, but
Basically, it is preferable to include a colorant in the heat-softening layer described below.
その他、剥離層には、ポリオキシエチレン釦含有化合物
、無機あるいは有機微粒子(金属粉、シリカゲルなど)
、オイル類(アマニ油鉱油など)を添加することもでき
る。In addition, the release layer may contain polyoxyethylene button-containing compounds, inorganic or organic fine particles (metal powder, silica gel, etc.)
, oils (linseed oil, mineral oil, etc.) may also be added.
剥離層の膜厚は、通常、0.5〜4ル■であり、好まし
くは1.0〜2.5μ會である。The thickness of the release layer is usually 0.5 to 4 μm, preferably 1.0 to 2.5 μm.
剥離層の100℃における粘度が、2〜1000cps
の範囲内になるように各成分の配合量および成分の種類
等を調整するのかよい。The viscosity of the release layer at 100°C is 2 to 1000 cps
The amount of each component and the type of component should be adjusted so that it falls within the following range.
この216層は、特にホットメルト塗布法を採用して塗
設することが好ましい。It is particularly preferable to apply the 216 layers by employing a hot melt coating method.
ホットメルト塗布法は、この層を構成する成分を混合し
、得られた混合物を溶融状態にして塗布する塗布する方
法である。この場合に、加熱温度は、この層を形成する
主成分である熱溶融性物質か溶融状態になればよく1通
常は、150℃以下である。溶融した成分は、ワイヤー
パーを用いた塗i9法など公知の方法を採用して塗布す
ることがてきる。The hot melt coating method is a coating method in which the components constituting this layer are mixed and the resulting mixture is melted and coated. In this case, the heating temperature should be such that the heat-fusible substance, which is the main component forming this layer, is in a molten state. Usually, it is 150° C. or lower. The molten component can be applied using a known method such as the coating i9 method using a wire spar.
なお、この剥離層は、ホットメルト塗布性以外に、この
層を形成する成分の有機溶剤に溶解もしくは分散させて
有機溶剤溶液を調製しこれを塗布して調製することもで
き、さらに、層形成成分の水性エマルジョンを調製して
これを?h Iriすることにより調製することもてき
る。In addition to hot-melt coating, this release layer can also be prepared by dissolving or dispersing the components forming this layer in an organic solvent to prepare an organic solvent solution and applying this. Prepare an aqueous emulsion of the ingredients to make this? It can also be prepared by Iri.
1東を並1
本発明の感熱転写記録媒体には、上記の剥#層上に少な
くとも一層の熱軟化性層か設けられている。1 east to 1 The heat-sensitive transfer recording medium of the present invention is provided with at least one heat-softening layer on the above-mentioned release layer.
本発明においては、この熱軟化性層のうち、少なくとも
一層の27℃における破断伸度が70〜200%の範囲
内にある。In the present invention, the elongation at break of at least one of the heat-softening layers at 27° C. is within the range of 70 to 200%.
熱軟化性層の破断伸度を上記範囲内にすることにより、
被転写紙の表面に凸部と凸部との間に均一な熱軟化性層
の皮膜か形成され1表面平滑度の低い被転写紙に対して
良好な品位の印字を行なうことができるようになる。し
たがって、破断伸度か70%より低いと、被転写紙表面
の凸部間で熱軟化性層か切断されるのでボイド率か上昇
し、印字された文字は印字濃度が不充分であったり、像
の一部か欠けたりして印字品質か低下する。一方、破断
伸度が200%より高いと、熱軟化性層の凝集力か必要
以上に高くなり、その結果、印字された文字はエツジシ
ャープネスに欠け、またひげ状の糸引き現象を誘発する
。By setting the elongation at break of the thermosoftening layer within the above range,
A uniform heat-softening layer is formed between the convex portions on the surface of the transfer paper, making it possible to print with good quality on the transfer paper with low surface smoothness. Become. Therefore, if the elongation at break is lower than 70%, the heat-softening layer will be cut between the convex parts on the surface of the transfer paper, resulting in an increase in the void rate, and the printed characters will have insufficient print density. Part of the image is missing, resulting in poor print quality. On the other hand, if the elongation at break is higher than 200%, the cohesive force of the thermosoftening layer becomes higher than necessary, and as a result, the printed characters lack edge sharpness and also induce a whisker-like stringing phenomenon.
なお、二層以上の熱軟化性層を有する場合には、少なく
とも最外層の熱軟化性層の破断伸度か上記の範囲内にあ
ることが好ましく、すべての熱に好ましい。In addition, when it has two or more heat-softening layers, it is preferable that the elongation at break of at least the outermost heat-softening layer is within the above range, and is preferable for all types of heat.
熱軟化性層の破断伸度を上記範囲内とする方法としては
、例えば、熱可塑性樹脂および熱溶融性Th質の種類や
その配合比率等を調製する方法を挙げることができる。An example of a method for adjusting the elongation at break of the heat-softening layer within the above range is a method of adjusting the types of thermoplastic resin and heat-melting Th substance, their blending ratios, and the like.
この熱軟化性層は、熱可塑性樹脂および熱軟化性物質を
主成分とする層であるが、前記の剥離層とは異なり、こ
れらの成分の内の熱可塑性樹脂の有する属性か支配的に
なる層である。したかって、この層の延伸伸度が上記範
囲内になるようにし、さらに、着色剤を被転写媒体上に
良好に定着させるためには、この層を形成する熱可塑性
樹脂および熱軟化性物質の合計重量に対して、熱可塑性
樹脂の含有率が、50重量%以上(好適には60〜97
重量%の範囲内)含まれるようにすることが好ましい。This thermo-softening layer is a layer whose main components are a thermoplastic resin and a thermo-softening substance, but unlike the above-mentioned release layer, the properties of the thermoplastic resin among these components are dominant. It is a layer. Therefore, in order to ensure that the degree of stretching of this layer is within the above-mentioned range and to ensure that the colorant is well fixed on the transfer medium, the thermoplastic resin and thermosoftening material that form this layer must be adjusted. The content of the thermoplastic resin is 50% by weight or more (preferably 60 to 97% by weight) based on the total weight.
(% by weight).
この熱軟化性層の層厚は1通常は、0.5〜5.0μm
の範囲内にある。特に乾燥厚が1.0〜4.0pmの範
囲内にあることが好ましい。The thickness of this thermosoftening layer is usually 0.5 to 5.0 μm.
is within the range of In particular, it is preferable that the dry thickness is within the range of 1.0 to 4.0 pm.
プcc、r−’ ;−〇)ハ 鹸 イv、h
mt−t−too °Cに j) け 21 i丸
度か400〜8000cpsの範囲内にあることが好ま
しく、この範囲内になるように用いる熱溶融性物質およ
び熱可塑性樹脂の種類、配合量等を特定するのかよい。cc, r-';-〇)ha ken i v, h
It is preferable that the roundness is within the range of 400 to 8000 cps at mt-t-too °C, and the type and amount of the heat-melting substance and thermoplastic resin used are adjusted so that the roundness is within this range. Is it good to specify?
ここて使用する熱溶融性物質は、融点(柳本MPJ−2
型による測定値)か40〜150°Cの固体または半固
体状物質であることが好ましい。The heat-melting substance used here has a melting point (Yanagimoto MPJ-2
It is preferably a solid or semi-solid material with a temperature of 40 to 150°C (measured by mold).
具体的な例としては、カルナバロウ、木ロウ、オウリキ
ュリーロウおよびニスパルロウ等の植物ロウ、
蜜ロウ、昆虫ロウ、セラックロウおよび鯨ロウ等の動物
ロウ、
パラフィンワックス、マイクロクリスタルワックス、ポ
リエチレンワックス、エステルワックスおよび酸ワツク
ス等の石油ロウ、
モンタンロウ、オシケライトおよびセレシン等の鉱物ロ
ウ等のワックス類。Specific examples include vegetable waxes such as carnauba wax, wood wax, auriculie wax, and Nispar wax; animal waxes such as beeswax, insect wax, shellac wax, and spermaceti wax; paraffin wax, microcrystalline wax, polyethylene wax, ester wax, and Petroleum waxes such as acid waxes, mineral waxes such as montan wax, osikerite, and ceresin, and other waxes.
バルミチン酸、ステアリン酸、マルガリン酸およびベヘ
ン酸等の高級脂肪酸、
バルミチルアルコール、ステアリルアルコール、ベヘニ
ルアルコール、マルガニルアルコール、ミリシルアルコ
ールおよびエイコサノール等の高級アルコール、
パルミチン酸セチル、バルミチン酸ミリシル、ステアリ
ン酸セチルおよびステアリン酸ミリシル等の高級脂肪酸
エステル。Higher fatty acids such as valmitic acid, stearic acid, margaric acid and behenic acid, higher alcohols such as valmityl alcohol, stearyl alcohol, behenyl alcohol, marganyl alcohol, myricyl alcohol and eicosanol, cetyl palmitate, myricyl valmitate, cetyl stearate and higher fatty acid esters such as myricyl stearate.
アセトアミド、プロピオン酸アミド、バルミチン酩アミ
ド、ステアリン酸アミドおよびアミドワックス等のアミ
ド類、ならびに、
ステアリルアミン、ベヘニルアミンおよびパルミチルア
ミン等の高級アミン類か挙げられ、これらは単独で用い
られてもよいし併用してもよい。Amides such as acetamide, propionic acid amide, valmitic acid amide, stearic acid amide and amide wax, and higher amines such as stearylamine, behenylamine and palmitylamine may be mentioned, and these may be used alone. It may be used in combination.
本発明においては、これら熱溶融性物質の中でも、融点
か40〜tso”cのワックス類か好適に使用できる。In the present invention, among these heat-melting substances, waxes having a melting point of 40-tso''c can be suitably used.
熱可塑性樹脂の例としては、ポリアミド系樹脂、ポリエ
ステル系樹脂、ポリウレタン系樹脂、ポリオレフィン系
樹脂、アクリル系樹脂、塩化ビニル系樹脂、セルロース
系樹脂、ロジン系樹脂、アイオノマー樹脂および石油系
樹脂等の樹脂類。Examples of thermoplastic resins include polyamide resins, polyester resins, polyurethane resins, polyolefin resins, acrylic resins, vinyl chloride resins, cellulose resins, rosin resins, ionomer resins, and petroleum resins. kind.
天然ゴム、スチレンブタジェンゴム、イソプレンゴムお
よびクロロプレンゴムなどのエラストマー類、
エステルガム、ロジンマレイン酸樹脂、ロジンフェノー
ル樹脂および水添ロジン等のロジン誘導体、ならびに、
フェノール樹脂、テルペン樹脂、シクロペンタジェン樹
脂および芳香族系炭化水素樹脂等の軟化点50〜150
℃の高分子化合物などを挙げることができる。Natural rubber, elastomers such as styrene-butadiene rubber, isoprene rubber, and chloroprene rubber; rosin derivatives such as ester gum, rosin maleic acid resin, rosin phenolic resin, and hydrogenated rosin; and phenolic resins, terpene resins, and cyclopentadiene resins. and aromatic hydrocarbon resins with a softening point of 50 to 150
C. high molecular compounds, etc. can be mentioned.
この中でも好ましい熱可塑性樹脂としては、アクリル系
樹脂が挙げられる。Among these, preferred thermoplastic resins include acrylic resins.
アクリル系樹脂は、たとえば、アクリル酸およびメタク
リル酸等の一塩基性カルボン酸あるいはそのエステルと
、これらと共重合し得る少なくとも一種の七ツマ−とを
乳化重合させることにより得られる。この際に使用する
カルボン酸七ツマ−としては、(メタ)アクリル酸メチ
ルエステル。Acrylic resins can be obtained, for example, by emulsion polymerization of monobasic carboxylic acids such as acrylic acid and methacrylic acid or their esters, and at least one type of heptamer copolymerizable with these. The carboxylic acid salt used in this case is (meth)acrylic acid methyl ester.
(メタ)アクリル酸エチルエステル、(メタ)アル酸ブ
チルエステル、(メタ)アクリル酸イソブチルエステル
、(メタ)アクリル酸アミルエステル、(メタ)アクリ
ル酸ヘキシルエステル、(メタ)アクリル酸オクチルエ
ステル、(メタ)アクリル酸−2−エチルヘキシルエス
テル、(メタ)アクリル酸デシルエステル、(メタ)ア
クリル酸ドデシルエステル、(メタ)アクリル酸ヒドロ
キシエチルエステルおよび(メタ)アクリル酸ヒドロキ
シエチルエステル等が挙げられる。また共重合し得る七
ツマ−としては、酢酸ビニル、塩化ビニル、塩化ビニリ
デン、無水マレイン酸、無水フマル酸、スチレン、2−
メチルスチレン、クロルスチレン、アクリロニトリル、
ビニルトルエン、N−メチロールアクリルアミド、N−
メチロールメタクリルアミド、N−ブトキシメチルアク
リルアミド、N−ブトキシメタクリルアミド、ビニルピ
リジンおよびN−ビニルピロリドン等が挙げられ、これ
らの一種あるいは二種以上より選ばれる。(meth)acrylic acid ethyl ester, (meth)alic acid butyl ester, (meth)acrylic acid isobutyl ester, (meth)acrylic acid amyl ester, (meth)acrylic acid hexyl ester, (meth)acrylic acid octyl ester, (meth)acrylic acid octyl ester, ) Acrylic acid 2-ethylhexyl ester, (meth)acrylic acid decyl ester, (meth)acrylic acid dodecyl ester, (meth)acrylic acid hydroxyethyl ester, (meth)acrylic acid hydroxyethyl ester, and the like. Examples of heptamers that can be copolymerized include vinyl acetate, vinyl chloride, vinylidene chloride, maleic anhydride, fumaric anhydride, styrene, 2-
Methylstyrene, chlorstyrene, acrylonitrile,
Vinyltoluene, N-methylolacrylamide, N-
Methylolmethacrylamide, N-butoxymethylacrylamide, N-butoxymethacrylamide, vinylpyridine, N-vinylpyrrolidone, and the like may be mentioned, and one or more of these may be selected.
主か +k nr副丼辺腸し!イ S2丁1ノ双1ゼ■
マーも好適に使用てきる。具体的には、ブタジェン、イ
ソプレン、イソブチレンおよびクロロブレン等のジエン
系モノマーと、上記共重合し得るモノマーとの乳化重合
物を挙げることができ、この乳化重合物の具体的な例と
しては、ブタジェン−スチレン重合物、ブタジェン−ス
チレン−ビニルピリジン重合物、ブタジェン−アクリロ
ニトリル重合物、クロロブレン−スチレン重合物および
クロロブレン−アクリロニトリル重合物等がある。Main or +k nr side bowl side gut! I S2 1 no 1 ze■
Mar can also be suitably used. Specific examples include emulsion polymers of diene monomers such as butadiene, isoprene, isobutylene, and chlorobrene, and the above-mentioned copolymerizable monomers. Examples include styrene polymers, butadiene-styrene-vinylpyridine polymers, butadiene-acrylonitrile polymers, chlorobrene-styrene polymers, and chloroprene-acrylonitrile polymers.
さらに、好ましいポリマーとしては、エチレン共重合体
を挙げることができる。例えば、エチレン−酢酸ビニル
共重合体、エチレン−アクリル酸エチル共重合体、エチ
レン−メタクリル酸メチル共重合体、エチレン−アクリ
ル酸イソブチル共重合体、エチレン−アクリル酸共重合
体、エチレン−ビニルアルコール共重合体、エチレン−
塩化ビニル共重合体およびエチレン−アクリル酸金属塩
共重合体等である。Further, preferred polymers include ethylene copolymers. For example, ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, ethylene-methyl methacrylate copolymer, ethylene-isobutyl acrylate copolymer, ethylene-acrylic acid copolymer, ethylene-vinyl alcohol copolymer. Polymer, ethylene-
These include vinyl chloride copolymers and ethylene-acrylic acid metal salt copolymers.
この熱軟化性層には、通常は着色剤が含まれている。着
色剤としては、通常使用されている無機顔ネ1および有
機顔料などの顔料ならびに染料を使用することができる
。This heat-softening layer usually contains a colorant. As the colorant, commonly used pigments and dyes such as inorganic pigments and organic pigments can be used.
前記無機顔料の例としては、二酸化チタン、カーボンブ
ラック、酸化亜鉛、プルシアンブルー、硫化カドミウム
、酸化鉄ならびに鉛、亜鉛、バリウムおよびカルシウム
のクロム酸塩などが挙げられる。前記有機顔料の例とし
ては、アゾ系、チオインジゴ系、アントラキノン系、ア
ントアンスロン系、トリフエンジオキサジン系の顔料、
ハツト染料顔料、フタロシアニン顔料、例えば銅フタロ
シアニンおよびその誘導体ならびにキナクリドン顔料な
どがある。Examples of the inorganic pigments include titanium dioxide, carbon black, zinc oxide, Prussian blue, cadmium sulfide, iron oxide and chromates of lead, zinc, barium and calcium. Examples of the organic pigments include azo-based, thioindigo-based, anthraquinone-based, anthurone-based, triphenedioxazine-based pigments,
These include hat dye pigments, phthalocyanine pigments such as copper phthalocyanine and its derivatives, and quinacridone pigments.
有機染料の例としては、酸性染料、直接染料、分散染料
、油溶性染料および含金属油溶性染料などが挙げられる
。Examples of organic dyes include acid dyes, direct dyes, disperse dyes, oil-soluble dyes, and metal-containing oil-soluble dyes.
熱軟化性層において、着色剤は、通常の範囲(たとえば
、この層における熱溶融性物質と熱軟化性物質との合計
重量に対して5〜35重4.)%、好適には5〜28重
量%)の範囲内で使用することがてきる。In the heat-softening layer, the colorant is present in a conventional range (e.g., 5 to 35% by weight, based on the total weight of the heat-melt material and heat-soften material in this layer), preferably 5 to 28%. (% by weight).
上記の熱軟化性層は、熱uT塑性樹脂および熱軟化性物
質を含む水性エマルジョンを調製し、これを塗布する方
法を採用することが好ましい。Preferably, the above-mentioned heat-softening layer is formed by preparing an aqueous emulsion containing a thermo-UT plastic resin and a heat-softening substance, and applying the same.
この水性エマルジョンは、熱軟化性物質および熱可塑性
樹脂などの混合物の混合物を調製し、この混合物を公知
の方法に従って乳化させることにより調製することがで
きる。また、上記熱軟化性物質および熱可塑性樹脂をそ
れぞれ個別に乳化して得られた水性エマルジョンを混合
することにより調製することもできる。This aqueous emulsion can be prepared by preparing a mixture of a thermosoftening substance and a thermoplastic resin, and emulsifying this mixture according to known methods. Alternatively, it can also be prepared by mixing aqueous emulsions obtained by individually emulsifying the above-mentioned thermosoftening substance and thermoplastic resin.
たとえば、熱溶融性物質および熱可塑性樹脂などの水性
エマルジョンは、乳化剤を含有する系て、転相法、高圧
乳化法、超音波分散法等の既存の方法て水中に乳化させ
ることにより、調製することがてきる。乳化剤としては
、ノニオン系乳化剤、アニオン系乳化剤、カチオン系乳
化剤および両性乳化剤のいずれでも使用することができ
る。For example, aqueous emulsions of hot-melt materials and thermoplastic resins can be prepared by emulsifying them in water using existing methods such as phase inversion, high-pressure emulsification, and ultrasonic dispersion using emulsifier-containing systems. Something will happen. As the emulsifier, any of nonionic emulsifiers, anionic emulsifiers, cationic emulsifiers, and amphoteric emulsifiers can be used.
この水性エマルジョンには、乳化剤のほかにフッ素系界
面活性剤を含有させるのか良い。フッ二1: 5.
児 i/ii 任4’t: 1’;a lニー
上 −・・1− すk ふし jし 4k W、t
r+ イ r* 、、、 Ec −/り現象を
有効に防止するとの作用か向上する。This aqueous emulsion may contain a fluorosurfactant in addition to the emulsifier. Fuji 1: 5.
child i/ii 4't: 1';a l knee
Top -...1- Sk Fushi Jshi 4k W, t
The effect of effectively preventing the phenomenon of r+ I r*, , Ec-/ is improved.
この層におけるフッ素系界面活性剤の含有率は、熱軟化
性層の全固形分に対し、0.05〜3重量%であるのか
好ましくい。The content of the fluorine-based surfactant in this layer is preferably 0.05 to 3% by weight based on the total solid content of the heat-softening layer.
また、この水性エマルジョンは、粘度を調整するために
、たとえばポリアクリル酸ナトリウムのような増粘剤、
コロイダルシリカの如き表面すべり性を向上させる物質
を含有していてもよい。その池水性エマルジョンには、
その水相に、水溶性ポリマーを添加しておいても良い。This aqueous emulsion may also contain thickeners, such as sodium polyacrylate, to adjust the viscosity.
It may contain a substance that improves surface slipperiness, such as colloidal silica. The pond water emulsion has
A water-soluble polymer may be added to the aqueous phase.
たとえば、ポリビニルピロリドン、ポリビニルアルコー
ル、水溶性ポリウレタン、水溶性アクリル、水溶性ポリ
エステルおよび水溶性ポリアミドを水溶性ポリマーの代
表例として挙げることができる。For example, representative examples of water-soluble polymers include polyvinylpyrrolidone, polyvinyl alcohol, water-soluble polyurethane, water-soluble acrylic, water-soluble polyester, and water-soluble polyamide.
こうして調製した水性エマルジョンを上記の剥離層の上
に少なくとも一層塗設する際の塗設方法には特に限定は
なく、たとえばワイヤバーなどを用いた方法等公知の方
法を採用することができる。There is no particular limitation on the coating method for coating at least one layer of the aqueous emulsion thus prepared on the above-mentioned release layer, and any known method such as a method using a wire bar or the like may be employed.
なお、熱軟化性層か二層具トある場合には、ルなくとも
一層を水性塗工することが好ましく、殊に最外層の熱軟
化性層を水性塗工により塗設することが好ましく1本発
明においては、特に全然軟化性層を水性塗工することが
さらに好ましい。In addition, when there are two heat-softening layers, it is preferable that at least one layer is coated with water-based coating, and it is particularly preferable that the outermost heat-softening layer is coated with water-based coating. In the present invention, it is particularly preferable that the completely softenable layer be applied in an aqueous manner.
例えば水性エマルシコンを用いて水性塗工することによ
り、水性エマルジョンを構成する成分の粒子が、粒子状
態を成る程度保持した状態てこの熱軟化性層を形成し、
これによって表面乎滑度の低い被転写媒体に対する印字
、′2+質が向上する。For example, by aqueous coating using an aqueous emulsion, the particles of the components constituting the aqueous emulsion form a heat-softening layer while maintaining their particle state to some extent,
This improves the '2+ quality of printing on transfer media with low surface smoothness.
−その他一
本発明の感熱転写記録媒体は、その平面形状については
、特に限定か無く、たとえばタイプライタ−リボン状あ
るいはラインプリンター等に用いられる広幅のテープ状
などの形態で使用される。- Others The thermal transfer recording medium of the present invention is not particularly limited in its planar shape, and may be used, for example, in the form of a typewriter ribbon or a wide tape used in line printers.
また、カラー記録のために何種類かの色調の色材を配合
してなる剥離層または熱軟化性層をストライブ状あるい
はブロック状に塗り分けた感熱転写記録媒体とすること
もできる。Further, for color recording, a heat-sensitive transfer recording medium can be provided in which a peeling layer or a heat-softening layer containing coloring materials of several different tones is coated separately in stripes or blocks.
この感熱転写記録媒体を用いる感熱転写方法は、通常の
感熱転写記録方法と異なるものではないが、最も典型的
なサーマルヘッドを使用する場合を例にして説明する。The thermal transfer method using this thermal transfer recording medium is not different from a normal thermal transfer recording method, but will be explained using the most typical thermal head as an example.
すなわち、感熱転写記録媒体の熱軟化性層と記録媒体た
とえば転写紙とを密着させ、必要に応してさらに転写紙
の背面からプラテンによって熱パルスを与えながら、サ
ーマルヘッドによって熱パルスを与えて、所望の印字な
いし転写パターンに応じてAfs層および熱軟化性層を
局部的に加熱する。剥離層および熱軟化性層の被加8部
は、その温度か上11 L/、剥離層および熱軟化性層
か速やかに軟化し、軟化した熱軟化性層が記録媒体表面
に転写される。That is, the heat-softening layer of the heat-sensitive transfer recording medium and a recording medium such as transfer paper are brought into close contact with each other, and if necessary, heat pulses are further applied by a platen from the back side of the transfer paper, and heat pulses are applied by a thermal head. The Afs layer and the thermosoftening layer are locally heated depending on the desired printing or transfer pattern. When the temperature of the 8 parts of the release layer and the heat-softening layer exceeds 11 L/L, the release layer and the heat-softening layer quickly soften, and the softened heat-softening layer is transferred to the surface of the recording medium.
[発明の効果]
本発明によると、支持体−Lに剥離層と熱軟化性層とを
少なくとも一層ずつ形成し、これらの内、少なくとも一
層の熱軟化性層の27°Cにおける破断伸度を70%以
上200%以下にしであるのて、ボイド率か低下して1
8!熱転写層か均一な厚みで被転写紙へ移行すると共に
、感熱転写層の被転写紙への定着性か向上する。[Effects of the Invention] According to the present invention, at least one release layer and one heat-softening layer are formed on the support L, and the elongation at break of at least one heat-softening layer at 27°C is When it is 70% or more and 200% or less, the void ratio decreases to 1.
8! The thermal transfer layer transfers to the transfer paper with a uniform thickness, and the fixability of the heat-sensitive transfer layer to the transfer paper is improved.
したがって、この発明によれば表面平滑性の高い転写紙
は勿論のこと、表面平滑性の低い転写紙にも、高い品質
て印字を行うことができる感熱記録媒体を提供すること
ができる。Therefore, according to the present invention, it is possible to provide a heat-sensitive recording medium that can print with high quality not only on transfer paper with high surface smoothness but also on transfer paper with low surface smoothness.
[実施例]
以下、本発明の実施例および比較例を挙げるか1本発明
かこれにより限定されることはない。[Examples] Hereinafter, Examples and Comparative Examples of the present invention will be given, but the present invention is not limited thereto.
なお、以下に用いる「部」とは「重量部」を示す。Note that "parts" used below indicate "parts by weight."
(比較例1)
厚さ3.5 JLmのポリエチレンテレフタレートフィ
ルム上に下記の剥離層塗布組1&物を膜厚2.07部m
になるようにホットメルト塗布し、′、A#層を形成し
た。(Comparative Example 1) The following release layer coating set 1 & material was applied to a film thickness of 2.07 parts m on a polyethylene terephthalate film with a thickness of 3.5 JLm.
A hot melt coating was applied to form layers ' and A#.
礼(腔1皇五虞1
パラフィンワックス・・・・・・・・・・90部エチレ
ン−酢酸ビニル共重合体・・・・・lO部次に、下記に
示す熱軟化性層塗布組成物をワイヤーバーを用いて膜厚
2gmになるように!IS層rr11−1−4+毛片光
1イ絃赫ル屏鴎カ敗1分1 鱈麹社写記録媒体を製造し
た。Paraffin wax: 90 parts Ethylene-vinyl acetate copolymer: 10 parts Next, apply the heat-softening layer coating composition shown below. Using a wire bar, the film thickness was adjusted to 2 gm! IS layer rr11-1-4 + hair piece light 1 wire, 1 min.
ヒ −・ 右 ゛
アクリル水系エマルジョン・・・・・・75部カーボン
フラッグ木分散物・・・・・・25部(上記水系エマル
ジョンにおける「〜部」との表現は、エマルシコン中の
有効成分の換算重量である。以下本発明において同じ。H-・Right Acrylic water-based emulsion: 75 parts Carbon flag wood dispersion: 25 parts (The expression "~ parts" in the water-based emulsion above refers to the active ingredient in the emulsion. Weight.The same applies hereinafter to the present invention.
)
この感熱転写記録媒体の熱軟化性層の温度と破断伸度と
の関係を測定した。なお、27°Cにおける熱軟化性層
の破断伸度は240%であった。) The relationship between the temperature and elongation at break of the heat-softening layer of this heat-sensitive transfer recording medium was measured. Note that the elongation at break of the thermosoftening layer at 27°C was 240%.
結果を第1図に示す。The results are shown in Figure 1.
なお1本発明における破断伸度の測定は、次のようにし
て行なった。Note that the elongation at break in the present invention was measured as follows.
測定機器 フドーレオメーター(不動工業■
製)
測定試料 幅20■−1厚さ0.2〜20−
1つかみ間隔 20−鵬
引張速度 100mm/分
Δ一定温度および湿度 27°C15(H次いて、得ら
れた感熱転写記録媒体をサーマルプリンター(24ドツ
トシリアルヘツト、プラテン圧250g/ヘッド、印加
エネルギー:lOmJハヶド)を用いて、毎秒20字の
印字速度てラフベーパー(ランカスターボンド紙、ベッ
ク平滑度2秒)に記Q(印字)し、印字品質を評価した
ところ、カスレ。Measuring equipment Fudo Rheometer (Fudou Kogyo■
(manufactured by) Measurement sample Width 20cm-1 Thickness 0.2~20mm
1 grip interval 20-Peng Tensile speed 100 mm/min Δ Constant temperature and humidity 27° C. Q (printing) was performed on rough vapor (Lancaster bond paper, Beck smoothness: 2 seconds) using a printing speed of 20 characters per second, and the print quality was evaluated.
滲み、地汚れなないが、糸引きを伴なうエツジシャープ
ネスに欠ける印字てあった。There was no bleeding or smudging, but there were some prints that were stringy and lacked edge sharpness.
(実施例1)
比較例1て用いた熱軟化柱層塗布組成物の代わりに、下
記に示す熱軟化性層塗布組Jf、物を用いた以外は同様
にして感熱転写記録媒体を製造した。(Example 1) A heat-sensitive transfer recording medium was produced in the same manner except that instead of the heat-softening columnar layer coating composition used in Comparative Example 1, the heat-softening layer coating set Jf shown below was used.
−゛
アクリル水系エマルジョン・・・・・・35部ロジン水
系エマルション・・・・・・・30部パラフィン水系エ
マルジョン
(融点70℃のバラフィンワラ“クスを水に乳化させた
エマルジョン)・・・・・10部カーボンブラック水分
散物・・・・・・25部この感熱転写記録媒体につき、
比較例1と同様にして温度と破断伸度との関係を測定し
たところ、27°Cにおける熱軟化性層の破断伸度は1
80%てあった。- Acrylic water-based emulsion: 35 parts Rosin water-based emulsion: 30 parts Paraffin water-based emulsion (emulsion made by emulsifying paraffin straw "cus" with a melting point of 70°C in water)...10 Part carbon black aqueous dispersion...25 parts For this thermal transfer recording medium,
When the relationship between temperature and elongation at break was measured in the same manner as in Comparative Example 1, the elongation at break of the thermosoftening layer at 27°C was 1.
It was 80%.
結果を第1図に示す。The results are shown in Figure 1.
次いで、得られた感熱転写記録媒体を用いて実施例1と
同様にして印字品質を評価したところ、カスレ、滲み、
地汚れの少ない鮮明な印字か得られた。Next, when the print quality was evaluated in the same manner as in Example 1 using the obtained thermal transfer recording medium, there was no fading, bleeding,
Clear prints with little background smudge were obtained.
(実施例2)
比較例1で用いた熱軟化柱層塗布組成物の代わりに、下
記に示す熱軟化柱層塗布組成物を用いた以外は同様にし
て感熱転写記録媒体を製造した。(Example 2) A heat-sensitive transfer recording medium was produced in the same manner except that the heat-softening columnar layer coating composition shown below was used instead of the heat-softening columnar layer coating composition used in Comparative Example 1.
、 l
エチレン−酢酸ビニル系共重合体
水系エマルジョン・・・・・・・・・25部アクリル水
系エマルジョン・・・・・・20部パラフィン水系エマ
ルジョン
(融点70℃のパラフィンワックスを水に乳化させたエ
マルジョン)・・・・・・30部カーボンブラック水分
散物・・・・・・25iこの感熱転写記録媒体につき、
比較例1と同様にして温度と破断伸度との関係を測定し
たところ、27°Cにおける熱軟化性層の破断伸度は7
5%であった。, l Ethylene-vinyl acetate copolymer aqueous emulsion...25 parts Acrylic aqueous emulsion...20 parts Paraffin aqueous emulsion (paraffin wax with a melting point of 70°C is emulsified in water) Emulsion)...30 parts Carbon black aqueous dispersion...25i For this thermal transfer recording medium,
When the relationship between temperature and elongation at break was measured in the same manner as in Comparative Example 1, the elongation at break of the heat-softening layer at 27°C was 7.
It was 5%.
結果を第1図に示す。The results are shown in Figure 1.
次いで、得られた感熱転写記録媒体を用いて実施例1と
同様にして印字品質を評価したところ、カスレ、滲み、
地汚れの少ない鮮Ijlな印字が得られた。Next, when the print quality was evaluated in the same manner as in Example 1 using the obtained thermal transfer recording medium, there was no fading, bleeding,
Clear print with little background smudge was obtained.
(比較例2)
比較例1で用いた熱軟化柱層塗布組成物の代わりに、下
記に示す熱軟化性塗布組成物を用いた以外は同様にして
感熱転写記録媒体を製造した。(Comparative Example 2) A heat-sensitive transfer recording medium was produced in the same manner as in Comparative Example 1, except that the heat-softening coating composition shown below was used instead of the heat-softening columnar layer coating composition used in Comparative Example 1.
“ W
アクリル水系エマルジョン
[商品名[ボンコート3226 J ]・・・225部
ロジン水系エマルジョン・・・・・・10部パラフィン
水系エマルジョン
(融点70°Cのパラフィンワックスを水に乳化させた
エマルジョン)・・・・40部91− →イ −ノ →
;う 11. ノフ −+に−A 古G を−60
610,フqp寂この感熱転写記録媒体につき、比較例
1と同様にして温度と破断伸度との関係を測定したとこ
ろ、27°Cにおける熱軟化性層の破断伸度は44%て
あった。“W Acrylic water-based emulsion [trade name [Boncourt 3226 J]]...225 parts Rosin water-based emulsion...10 parts Paraffin water-based emulsion (emulsion made by emulsifying paraffin wax with a melting point of 70°C in water)...・・40 parts 91- →I-no →
; U 11. Nof -+ to -A old G to -60
When the relationship between temperature and elongation at break was measured for 610, Fqp Jakuko's thermal transfer recording medium in the same manner as in Comparative Example 1, the elongation at break of the thermosoftening layer at 27°C was 44%. .
結果を第1図に示す。The results are shown in Figure 1.
次いで、得られた感熱転写記録媒体を用いて実施例1と
同様にして印字品質を評価したところ。Next, the print quality was evaluated in the same manner as in Example 1 using the obtained thermal transfer recording medium.
カスレ、滲み、地汚れが生し、鮮明な印字は得られなか
った。Fading, blurring, and scumming occurred, and clear printing could not be obtained.
(実施例3)
比較例1て用いた熱軟化柱層塗布組成物の代わりに、下
記に示す熱軟化柱層塗布組成物を用いた以外は同様にし
て感熱転写記録媒体を製造した。(Example 3) A heat-sensitive transfer recording medium was produced in the same manner except that the heat-softening columnar layer coating composition shown below was used instead of the heat-softening columnar layer coating composition used in Comparative Example 1.
・−1
アクリル系水系エマルジョン・・・・・15部水溶性ポ
リエステル樹脂・・・・・・・15部アクリル水系エマ
ルジョン・・・・・・20部カルナバワックス水系エマ
ルション・・l0fiテルペン樹脂水系エマルシヨン・
・・・25部カーボンブラック水分散物・・・・・・2
5部この感熱転写記録媒体につき、比較例1と同様にし
て温度と破断伸度との関係を測定したところ、27°C
における熱軟化性層の破断伸度は110%であった。-1 Acrylic water-based emulsion...15 parts Water-soluble polyester resin...15 parts Acrylic water-based emulsion...20 parts Carnauba wax water-based emulsion...l0fi terpene resin water-based emulsion...
...25 parts carbon black aqueous dispersion...2
5 parts When the relationship between temperature and elongation at break was measured for this thermal transfer recording medium in the same manner as in Comparative Example 1, it was found to be 27°C.
The elongation at break of the heat-softening layer was 110%.
結果を第1図に示す。The results are shown in Figure 1.
次いで、得られた感熱転写記録媒体を用いて実施例1と
同様にして印字品質を評価したところ、カスレ、滲み、
地汚れの少ない#V明な印字が得られた。Next, when the print quality was evaluated in the same manner as in Example 1 using the obtained thermal transfer recording medium, there was no fading, bleeding,
A #V bright print with little background smudge was obtained.
以上のように27℃における熱軟化性層の破断伸度か7
0〜200%の範囲内にある場合に良好な印字を行なう
ことができる。As mentioned above, the elongation at break of the thermosoftening layer at 27°C is 7
Good printing can be performed when the ratio is within the range of 0 to 200%.
なお、20°Cにおける凝集力は、比較例1の熱軟化性
層か最大で 180kg/crn’、実施例1の熱軟化
性層の凝集力は、 100kg/crn’、実施例2の
熱軟化性層の凝集力は、80kg/cm’であった。こ
の結果から表面平滑度の低い被転写媒体に対する印字性
源は、熱軟化性層の凝集力よりも破断伸度によって影響
を受けることが明らかである。The cohesive force at 20°C is 180 kg/crn' at the maximum for the heat-softening layer of Comparative Example 1, and the cohesive force of the heat-softening layer for Example 1 is 100 kg/crn', for the heat-softening layer of Example 2. The cohesive force of the sexual layer was 80 kg/cm'. From these results, it is clear that the printability on transfer media with low surface smoothness is influenced more by the elongation at break than by the cohesive force of the thermosoftening layer.
さらに、本発明者の赤外線顕微鏡データからのシュミレ
ーションによれば、現在最も広範に使用されているサー
マルトランスファープリンターの印字条件においては、
30°C弱(正確には通常は27’C)が、熱軟化性層
の剥離温度てあり、27°Cにおける熱軟化性層の破断
伸度か印字品質に対して重大な影響を及ぼすことと相関
する。Furthermore, according to the inventor's simulations based on infrared microscope data, under the printing conditions of the thermal transfer printer that is currently most widely used,
The peeling temperature of the heat-softening layer is a little less than 30°C (more precisely, usually 27'C), and this has a significant effect on the elongation at break of the heat-softening layer at 27°C and on the printing quality. Correlates with
すなわち、ラフペーパーにボイドな発生させることなく
、印字を行なうためには熱軟化性層か支持体から離脱す
る際の物性か非常に重要である。That is, in order to print without creating voids on the rough paper, the heat-softening layer and its physical properties when released from the support are very important.
殊にサーマルトランスファープリンターを用いた場合に
は、その原理から加熱されて軟化状態になった熱軟化性
層は、室温にまで冷却される以前に剥離層から離脱する
。従って、この剥離する際の温度における熱軟化性層の
破断伸度が最も重要な因子であることが解る。Particularly when a thermal transfer printer is used, due to its principle, the heat-softening layer that has been heated to a softened state separates from the release layer before being cooled to room temperature. Therefore, it can be seen that the elongation at break of the thermosoftening layer at the temperature at which it is peeled off is the most important factor.
第1図はこの感熱転写記録媒体を構成する熱軟化性層に
おける温度と破断伸度との関係を示すグラフである。FIG. 1 is a graph showing the relationship between temperature and elongation at break in the heat-softening layer constituting this heat-sensitive transfer recording medium.
Claims (2)
一層づつ設けられ、かつ該熱軟化性層の少なくとも1層
の27℃における破断伸度が、70〜200%の範囲内
にあることを特徴とする感熱転写記録媒体。(1) At least one release layer and one heat-softening layer are provided on the support, and the elongation at break of at least one of the heat-softening layers at 27°C is within the range of 70 to 200%. A thermal transfer recording medium characterized by the following.
る前記特許請求の範囲第1項に記載の感熱転写記録媒体
。(2) The heat-sensitive transfer recording medium according to claim 1, wherein the heat-softening layer is formed by water-based coating.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62025487A JPS63193886A (en) | 1987-02-05 | 1987-02-05 | Thermal transfer recording medium |
US07/145,223 US4970119A (en) | 1987-01-24 | 1988-01-19 | Thermal transfer recording medium and method for preparing the same |
US07/764,057 US5219610A (en) | 1987-01-24 | 1991-09-23 | Thermal transfer recording medium and method for preparing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62025487A JPS63193886A (en) | 1987-02-05 | 1987-02-05 | Thermal transfer recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63193886A true JPS63193886A (en) | 1988-08-11 |
Family
ID=12167410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62025487A Pending JPS63193886A (en) | 1987-01-24 | 1987-02-05 | Thermal transfer recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63193886A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02204092A (en) * | 1989-02-02 | 1990-08-14 | Canon Inc | Heat sensitive transfer material and heat transfer recording |
US5250133A (en) * | 1991-11-01 | 1993-10-05 | Konica Corporation | Method for recording images and apparatus for recording images |
EP0925944A2 (en) | 1997-12-25 | 1999-06-30 | Konica Corporation | Thermal transfer image forming method using laser |
EP1228893A2 (en) | 2001-02-02 | 2002-08-07 | Fuji Photo Film Co., Ltd. | Image-forming material and image formation method |
EP1241017A2 (en) | 2001-03-16 | 2002-09-18 | Fuji Photo Film Co., Ltd. | Multicolor image-forming material |
EP1362709A2 (en) | 2002-05-16 | 2003-11-19 | Fuji Photo Film Co., Ltd. | Image-forming material and image formation method |
EP1369257A1 (en) | 2002-06-06 | 2003-12-10 | Fuji Photo Film Co., Ltd. | Multicolor image forming material |
US6869658B2 (en) * | 2000-09-12 | 2005-03-22 | Zanders Feinpapier Ag | Recording material bearing an embedded image |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6137472A (en) * | 1984-07-31 | 1986-02-22 | Konishiroku Photo Ind Co Ltd | Thermal transfer recording medium |
JPS6364792A (en) * | 1986-09-08 | 1988-03-23 | Sekisui Chem Co Ltd | Thermal transfer recording material |
JPS6381087A (en) * | 1986-09-24 | 1988-04-11 | Canon Inc | Thermal transfer material |
-
1987
- 1987-02-05 JP JP62025487A patent/JPS63193886A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6137472A (en) * | 1984-07-31 | 1986-02-22 | Konishiroku Photo Ind Co Ltd | Thermal transfer recording medium |
JPS6364792A (en) * | 1986-09-08 | 1988-03-23 | Sekisui Chem Co Ltd | Thermal transfer recording material |
JPS6381087A (en) * | 1986-09-24 | 1988-04-11 | Canon Inc | Thermal transfer material |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02204092A (en) * | 1989-02-02 | 1990-08-14 | Canon Inc | Heat sensitive transfer material and heat transfer recording |
US5250133A (en) * | 1991-11-01 | 1993-10-05 | Konica Corporation | Method for recording images and apparatus for recording images |
EP0925944A2 (en) | 1997-12-25 | 1999-06-30 | Konica Corporation | Thermal transfer image forming method using laser |
US6869658B2 (en) * | 2000-09-12 | 2005-03-22 | Zanders Feinpapier Ag | Recording material bearing an embedded image |
EP1228893A2 (en) | 2001-02-02 | 2002-08-07 | Fuji Photo Film Co., Ltd. | Image-forming material and image formation method |
EP1241017A2 (en) | 2001-03-16 | 2002-09-18 | Fuji Photo Film Co., Ltd. | Multicolor image-forming material |
EP1362709A2 (en) | 2002-05-16 | 2003-11-19 | Fuji Photo Film Co., Ltd. | Image-forming material and image formation method |
EP1369257A1 (en) | 2002-06-06 | 2003-12-10 | Fuji Photo Film Co., Ltd. | Multicolor image forming material |
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