JP2574291B2 - Image receptor for thermal transfer - Google Patents
Image receptor for thermal transferInfo
- Publication number
- JP2574291B2 JP2574291B2 JP62098932A JP9893287A JP2574291B2 JP 2574291 B2 JP2574291 B2 JP 2574291B2 JP 62098932 A JP62098932 A JP 62098932A JP 9893287 A JP9893287 A JP 9893287A JP 2574291 B2 JP2574291 B2 JP 2574291B2
- Authority
- JP
- Japan
- Prior art keywords
- image receiving
- layer
- heat
- recording
- 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.)
- Expired - Lifetime
Links
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
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
-
- 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
- B41M5/41—Base layers supports or substrates
-
- 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
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5218—Macromolecular coatings characterised by inorganic additives, e.g. pigments, clays
-
- 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
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5227—Macromolecular coatings characterised by organic non-macromolecular additives, e.g. UV-absorbers, plasticisers, surfactants
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、低電力で安定な高画質画像を提供する熱転
写用受像体に関する。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thermal transfer image receiving member that provides a stable, high-quality image with low power.
従来の技術 従来の昇華型又は溶融型熱転写記録法に用いられる受
像体は、画像形成において高感度とするため、また形成
された画像が高品位で安定なものとするため、受像基
体は合成紙等の均質で柔軟な多孔質体を用い、信号に
より転写される色材を安定に固定化するため、基体上に
染着層を設けた構成をとっている。2. Description of the Related Art An image receiving body used in a conventional sublimation-type or fusion-type thermal transfer recording method has a high sensitivity in image formation and a high-quality and stable formed image. In order to stably fix a color material transferred by a signal, a dyeing layer is provided on a substrate using a homogeneous and flexible porous body such as the above.
発明が解決しようとする問題点 以上のような従来の構成では、次のような問題点を有
している。基体に柔軟な合成紙を用いた記録画像は、
一つの記録手段であるサーマルヘッドの熱によりカール
等の熱変形が大きい。熱変形の生じない剛性の大きい
透明または不透明な受像基体を用いた場合には、記録感
度が悪く高濃度が得られない。Problems to be Solved by the Invention The conventional configuration as described above has the following problems. The recorded image using flexible synthetic paper for the base is
Thermal deformation such as curl is large due to heat of a thermal head which is one recording means. When a transparent or opaque image receiving substrate having high rigidity that does not cause thermal deformation is used, recording sensitivity is poor and high density cannot be obtained.
本発明は、以上の問題点を解決するために提案された
もので、剛性の大きい受像基体を用いても高感度記録が
可能な受像体を提供することを目的としている。SUMMARY OF THE INVENTION The present invention has been proposed to solve the above problems, and has as its object to provide an image receiving body capable of performing high-sensitivity recording even when an image receiving substrate having high rigidity is used.
問題点を解決するための手段 本発明は、少なくとも受像基体とこの上に設けられる
染着層からなり、前記染着層の内部または近傍に透明な
吸熱材料を含むことを特徴とする熱転写用受像体であ
る。Means for Solving the Problems The present invention is directed to an image receiving apparatus for thermal transfer, comprising at least an image receiving substrate and a dyeing layer provided thereon, and including a transparent heat absorbing material inside or near the dyeing layer. Body.
作用 本発明の基本原理は、サーマルヘッドによる熱エネル
ギを、表面に色材層を有する転写体を通して受像体表面
に有効に伝達し高感度化を図ることである。受像体表面
に設けられた染着層またはその近傍に透明な吸熱物質を
含むことにより、吸熱物質近傍で蓄熱し染着層を膨脹さ
せて色材を有効に染着層中に転移させることができる。The basic principle of the present invention is to effectively transfer the heat energy from the thermal head to the surface of the image receiving member through a transfer member having a color material layer on the surface to achieve high sensitivity. By including a transparent heat-absorbing substance in or near the dyeing layer provided on the image receptor surface, heat is stored in the vicinity of the heat-absorbing substance, the dyeing layer is expanded, and the coloring material can be effectively transferred into the dyeing layer. it can.
実 施 例 本発明による受像体の構成例を第１図及び第２図に、
またこれを用いた記録部の構成を第３図に示す。１は熱
転写用受像体で、第１図の例では基体２と染着層３とか
らなり、染着層３が吸熱材料４を含んでいる。また、第
２図は、基体２と染着層３との間に吸熱材料４を含む吸
熱層５を設けた例である。Embodiments FIGS. 1 and 2 show examples of the configuration of an image receiving body according to the present invention.
FIG. 3 shows the configuration of a recording unit using the same. In FIG. 1, reference numeral 1 denotes a thermal transfer image receiving body which comprises a substrate 2 and a dyeing layer 3, and the dyeing layer 3 contains a heat absorbing material 4. FIG. 2 shows an example in which a heat absorbing layer 5 including a heat absorbing material 4 is provided between the base 2 and the dyeing layer 3.
一方、転写体６は、基体７の片面に色材層８を設け、
他面に滑性耐熱層９を設けたもので、受像体１の染着層
３と転写体６の色材層８を対向させ、滑性耐熱層９と接
するようにサーマルヘッド10を配置して記録を行う。On the other hand, the transfer body 6 is provided with a color material layer 8 on one side of a base 7,
On the other side, a heat-resistant layer 9 is provided. The dyeing layer 3 of the image receiving body 1 and the color material layer 8 of the transfer body 6 are opposed to each other, and the thermal head 10 is arranged so as to be in contact with the heat-resistant layer 9. Record.
転写体６の基体７は一般に２μｍないし10μｍのポリ
エチレンテレフタレート（以下PETで表わす）、アラミ
ド、セロハン、ナイロン等のフィルムまたは薄葉紙が用
いられ、その片面に１〜２μｍの滑性耐熱層９が設けら
れる。色材層８は染料、顔料等の色素と結着樹脂を含ん
でいる。本発明の受像体は高い記録エネルギを必要とす
るが、高画質の得られる昇華性染料を色素とする場合に
特に有効である。The substrate 7 of the transfer body 6 is generally made of a film or thin paper of polyethylene terephthalate (hereinafter, referred to as PET), aramid, cellophane, nylon or the like having a thickness of 2 μm to 10 μm. . The color material layer 8 contains a dye such as a dye or a pigment and a binder resin. Although the image receiving body of the present invention requires high recording energy, it is particularly effective when a sublimable dye capable of obtaining high image quality is used as a dye.
受像基体は50μｍないし200μｍの透明なPETフィル
ム、三酢酸セルロースフィルム、あるいはPETに酢化チ
タン、酸化硅素、硫酸バリウム、炭酸カルシウム等の白
色性を付与する微粒子を混入させたフィルム（以下乳白
PETと称する）、または乳白PETに多孔性を付与して柔軟
にしたものでもよく、特に限定するものではない。染着
層３は染着樹脂、耐熱助剤を含み、第１図の実施例では
更に吸熱材料４を含んでいる。第２図の実施例では、吸
熱材料と結着剤を含む吸熱層５を染着層の下部に設けて
いる。特に第２図の実施例では吸熱層の結着材に柔軟な
樹脂を用いることにより吸熱層と柔軟層の効果を与える
ため特に有効である。The image receiving substrate is a 50 μm to 200 μm transparent PET film, a cellulose triacetate film, or a film in which fine particles for imparting whiteness such as titanium acetate, silicon oxide, barium sulfate, calcium carbonate, etc. are mixed with PET (hereinafter referred to as milky white).
PET), or may be softened by imparting porosity to milky white PET, and is not particularly limited. The dyeing layer 3 contains a dyeing resin and a heat-resistant auxiliary, and in the embodiment of FIG. In the embodiment of FIG. 2, a heat absorbing layer 5 containing a heat absorbing material and a binder is provided below the dyeing layer. In particular, in the embodiment of FIG. 2, the use of a flexible resin as the binder of the heat absorbing layer is particularly effective because the effects of the heat absorbing layer and the flexible layer are provided.
吸熱材料としては各種の近赤外吸収色素が用いられ
る。例えば、ニトロソ化合物及びその金属錯塩、ポリメ
チン系色素、スクアリリウム系色素、チオールニッケル
塩、フタロシアニン系色素、トリアリルメタン系色素、
インモニウム系色素、ジインモニウム系色素、ナフトキ
ノン系色素、アントラモノン系色素等を用いることがで
きる。また多くの透明な潜熱蓄熱材、例えば、パラフィ
ンワックス等の鎖状炭化水素類、パラキシレン等の芳香
族炭化水素類、フェノール類、ステアリン酸等のカルボ
ン酸類、C4H8O・17H2O等の包接形水化物、各種のアルコ
ール類、ポリエチレン等のガラス転移温度の低い高分子
物質も用いられる。更には光異性化反応熱を利用した光
化学反応蓄熱材等も用いられる。Various near-infrared absorbing dyes are used as the heat absorbing material. For example, nitroso compounds and metal complex salts thereof, polymethine dyes, squarylium dyes, thiol nickel salts, phthalocyanine dyes, triallylmethane dyes,
An immonium dye, a diimmonium dye, a naphthoquinone dye, an anthramonone dye, or the like can be used. Also, many transparent latent heat storage materials, for example, chain hydrocarbons such as paraffin wax, aromatic hydrocarbons such as para-xylene, carboxylic acids such as phenols and stearic acid, C 4 H 8 O and 17H 2 O Inclusion hydrates, various alcohols, and high molecular substances having a low glass transition temperature such as polyethylene are also used. Furthermore, a photochemical reaction heat storage material utilizing photoisomerization reaction heat is also used.
染着樹脂として、色素に昇華性染料を用いる場合はポ
リエステル系樹脂が好ましい。色素に顔料を含む熱溶融
転写型記録の場合は熱溶融樹脂と相溶する樹脂が好まし
く、アクリル系、酢酸ビニル系、塩化ビニル・酢酸ビニ
ル共重合体系等の樹脂が用いられる。When a sublimable dye is used as the dyeing resin, a polyester resin is preferred. In the case of hot-melt transfer recording in which a pigment contains a pigment, a resin compatible with the hot-melt resin is preferable, and resins such as acrylic, vinyl acetate, and vinyl chloride / vinyl acetate copolymers are used.
記録手段は通常のサーマルヘッドの他、通電ヘッド、
レーザー光を発する光ヘッドであってもよく、特に限定
されない。なお、転写体の形態は記録手段の相違により
最適の構成があり、前述の内容に限定するものではな
い。The recording means is a normal thermal head, an energizing head,
An optical head that emits laser light may be used, and is not particularly limited. Note that the form of the transfer body has an optimum configuration depending on the recording means, and is not limited to the above-described contents.
次に更に具体的な実施例を記す。 Next, more specific examples will be described.
実施例１ ６μｍ厚のPETフィルムの背面に１μｍ厚の滑性耐熱
層を設けて転写基体とし、この表面に（１）式のような
シアン色の昇華性染料と結着樹脂としてポリサルフォン
樹脂を含むインキをグラビア印刷機で１μｍの印刷厚に
なるように印刷して転写体とした。Example 1 A 6 μm-thick PET film was provided with a 1 μm-thick lubricating heat-resistant layer on the back surface to serve as a transfer substrate, and this surface contained a cyan sublimable dye of the formula (1) and a polysulfone resin as a binder resin. The ink was printed with a gravure printing machine to a print thickness of 1 μm to obtain a transfer body.
シアン染料（イントアニリン系色素） 受像基体としては100μｍ厚の透明PETフィルムを用い
た。この上に染着層を以下の仕様で形成して第１図のよ
うな受像体とした。主染着剤としてポリエステル樹脂
（東洋紡績（製）、商品名バイロン200）3g、耐熱助剤
として気相成長法によるSiO2（日本アエロジル（製）、
アエロジルＲ−972）1g、吸熱材料として、（２）式の
ナフトキノン系赤外吸収色素1gを塩化メチレン溶剤中で
混合溶解した塗料をバーコーターで10μｍ厚になるよう
塗工した。Cyan dye (intaniline dye) A 100 μm thick transparent PET film was used as the image receiving substrate. A dyeing layer was formed thereon on the basis of the following specifications to obtain an image receiver as shown in FIG. 3g of polyester resin (Toyobo Co., Ltd., trade name: Byron 200) as the main dyeing agent, SiO 2 (Nippon Aerosil Co., Ltd.)
1 g of Aerosil R-972) and 1 g of a naphthoquinone-based infrared absorbing dye of the formula (2) mixed and dissolved in a methylene chloride solvent as a heat-absorbing material were applied with a bar coater to a thickness of 10 μm.
比較例 受像体の染着層から吸熱材料を除いた他はすべて実施
例１と同一にした。 Comparative Example The same procedure as in Example 1 was carried out except that the endothermic material was removed from the dyed layer of the image receiving body.
以上のように作製した実施例１、比較例の転写体およ
び受像体を用いて、以下の記録条件で感熱転写記録を行
った。Thermal transfer recording was performed under the following recording conditions using the transfer body and the image receiving body of Example 1 and the comparative example manufactured as described above.
サーマルヘッド；薄膜ライン型 分解能;6ドット/mm 記録エネルギ;0〜6J/cm2 印加パルス幅;0〜8ms 印字周期;33.3ms この結果を第４図に示す。比較例に比べて本発明の実
施例の記録濃度特性の方が優れ、高感度であることがわ
かる。Thermal head; thin film line type Resolution; 6 dots / mm Recording energy; 0 to 6 J / cm 2 Applied pulse width; 0 to 8 ms Printing cycle; 33.3 ms The results are shown in FIG. It can be seen that the recording density characteristics of the examples of the present invention are superior to those of the comparative examples, and the sensitivity is high.
実施例２ 受像体は、第２図の構成で、基体に厚み100μｍの乳
白PETを用いた吸熱層は次の処法で製作した。（３）式
のインモニウム系色素0.5gと、潜熱蓄熱材としてパラフ
ィンワックス0.5g、受像基体への結着剤としてガラス転
移温度の低いポリエステル樹脂0.5gを塩化メチレン溶剤
中に混合分散して塗料とし、バーコーターで５μｍ厚に
なるように基体上に塗工した。この上に染着層を次の処
法で形成した。主染着剤として水性ポリエステル樹脂
（東洋紡績（製）、商品名バイロナールMD1200）3g、耐
熱助剤としてコロイダルシリカ（日産化学（製）、商品
名ST−Ｃ）1gを混合分散した水系塗料を三本ロールコー
ターで10μｍ厚になるように塗工した。Example 2 The image receiving body was configured as shown in FIG. 2, and a heat absorbing layer using a 100 μm thick milky white PET as a substrate was manufactured by the following method. 0.5 g of immonium dye of the formula (3), 0.5 g of paraffin wax as a latent heat storage material, and 0.5 g of a polyester resin having a low glass transition temperature as a binder for an image receiving substrate are mixed and dispersed in a methylene chloride solvent to paint. It was applied on a substrate by a bar coater to a thickness of 5 μm. A dyeing layer was formed thereon by the following method. A water-based paint prepared by mixing and dispersing 3 g of an aqueous polyester resin (Toyobo Co., Ltd., trade name Vylonal MD1200) as the main dyeing agent and 1 g of colloidal silica (Nissan Chemical Co., Ltd., trade name ST-C) as a heat-resistant auxiliary. Coating was performed with this roll coater to a thickness of 10 μm.
転写体は実施例１と同一にした。実施例２と比較例の
転写体および受像体を用いて前記と同様の条件で感熱転
写記録を行った。記録結果を第４図に示す。実施例２が
比較例より高感度であることがわかる。 The transcript was the same as in Example 1. Thermal transfer recording was performed under the same conditions as described above using the transfer members and image receivers of Example 2 and Comparative Example. The recording results are shown in FIG. It can be seen that Example 2 has higher sensitivity than Comparative Example.
発明の効果 サーマルヘッド等の記録手段の熱エネルギを吸熱材料
を含む受像体上の層がよく吸熱するので、高感度の記録
が得られOHP用のPETフィルム等剛性受像基体の場合にも
濃度低下を防止することができる。Effect of the Invention Since the layer on the image receiving member containing the heat absorbing material absorbs the heat energy of the recording means such as the thermal head well, high-sensitivity recording is obtained, and the density is reduced even in the case of a rigid image receiving substrate such as a PET film for OHP. Can be prevented.
第１図および第２図は本発明による受像体の構成例を示
す断面図、第３図は同受像体を用いた記録部の断面図、
第４図は記録特性を示す図である。 １……受像体、２……基体、３……染着層、４……吸熱
材料、５……吸熱層。1 and 2 are cross-sectional views showing a configuration example of an image receiving body according to the present invention, FIG. 3 is a cross-sectional view of a recording unit using the image receiving body,
FIG. 4 is a diagram showing recording characteristics. DESCRIPTION OF SYMBOLS 1 ... Image receiving body, 2 ... Substrate, 3 ... Dyeing layer, 4 ... Endothermic material, 5 ... Endothermic layer.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 今井 章博 門真市大字門真1006番地 松下電器産業 株式会社内 (72)発明者 弓場上 惠一 門真市大字門真1006番地 松下電器産業 株式会社内 (56)参考文献 特開 昭62−37193（ＪＰ，Ａ) 特開 昭59−142188（ＪＰ，Ａ) 特開 昭56−27396（ＪＰ，Ａ) 特開 昭60−180888（ＪＰ，Ａ) 特開 昭63−91285（ＪＰ，Ａ) ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Akihiro Imai 1006 Kadoma, Kadoma Matsushita Electric Industrial Co., Ltd. References JP-A-62-37193 (JP, A) JP-A-59-142188 (JP, A) JP-A-56-27396 (JP, A) JP-A-60-180888 (JP, A) JP-A-63 −91285 (JP, A)
Claims (2)
染着層からなり、前記染着層の内部または近傍に透明な
吸熱材料を含むことを特徴とする熱転写用受像体。1. An image receiving body for thermal transfer, comprising at least an image receiving substrate and a dyeing layer provided thereon, wherein a transparent heat absorbing material is contained in or near said dyeing layer.
特許請求の範囲第１項記載の熱転写用受像体。2. An image receiving body for thermal transfer according to claim 1, wherein said transparent heat absorbing material is an infrared absorbing dye.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62098932A JP2574291B2 (en) | 1987-04-22 | 1987-04-22 | Image receptor for thermal transfer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62098932A JP2574291B2 (en) | 1987-04-22 | 1987-04-22 | Image receptor for thermal transfer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63264395A JPS63264395A (en) | 1988-11-01 |
| JP2574291B2 true JP2574291B2 (en) | 1997-01-22 |
Family
ID=14232895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62098932A Expired - Lifetime JP2574291B2 (en) | 1987-04-22 | 1987-04-22 | Image receptor for thermal transfer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2574291B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5318943A (en) * | 1991-05-27 | 1994-06-07 | Dai Nippon Printing Co., Ltd. | Thermal transfer image receiving sheet |
| US5146087A (en) * | 1991-07-23 | 1992-09-08 | Xerox Corporation | Imaging process with infrared sensitive transparent receiver sheets |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5627396A (en) * | 1979-08-15 | 1981-03-17 | Dainippon Printing Co Ltd | Transferring method for thermorecording |
| JPS59142188A (en) * | 1983-02-01 | 1984-08-15 | Matsushita Electric Ind Co Ltd | Transfer body for thermal recording |
| JPS60180888A (en) * | 1984-02-29 | 1985-09-14 | Ricoh Co Ltd | Pressure transfer sheet for thermal recording |
| JPS6237193A (en) * | 1985-08-12 | 1987-02-18 | Mitsubishi Paper Mills Ltd | Image-receiving paper for sublimation-type thermal transfer |
| JPS6391285A (en) * | 1986-10-06 | 1988-04-21 | Dainippon Printing Co Ltd | Dry printing method |
-
1987
- 1987-04-22 JP JP62098932A patent/JP2574291B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63264395A (en) | 1988-11-01 |
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