JPH01198390A - Transfer body for current supply thermal transfer recording - Google Patents
Transfer body for current supply thermal transfer recordingInfo
- Publication number
- JPH01198390A JPH01198390A JP63024336A JP2433688A JPH01198390A JP H01198390 A JPH01198390 A JP H01198390A JP 63024336 A JP63024336 A JP 63024336A JP 2433688 A JP2433688 A JP 2433688A JP H01198390 A JPH01198390 A JP H01198390A
- Authority
- JP
- Japan
- Prior art keywords
- current supply
- layer
- base material
- supply resistor
- carbon black
- 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
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000006229 carbon black Substances 0.000 claims abstract description 24
- 238000010521 absorption reaction Methods 0.000 claims abstract description 19
- 229920000728 polyester Polymers 0.000 claims description 7
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000004040 coloring Methods 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 abstract description 8
- 229920002799 BoPET Polymers 0.000 abstract description 6
- 229920005989 resin Polymers 0.000 abstract description 6
- 239000011347 resin Substances 0.000 abstract description 6
- 239000003431 cross linking reagent Substances 0.000 abstract description 3
- 230000009102 absorption Effects 0.000 abstract 3
- 235000019241 carbon black Nutrition 0.000 abstract 3
- 239000003086 colorant Substances 0.000 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- 239000012948 isocyanate Substances 0.000 abstract 1
- 150000002513 isocyanates Chemical class 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 29
- 239000011248 coating agent Substances 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- 241000872198 Serjania polyphylla Species 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N Methyl ethyl ketone Natural products CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000004640 Melamine resin Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000013034 phenoxy resin Substances 0.000 description 1
- 229920006287 phenoxy resin Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920006290 polyethylene naphthalate film Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 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
- B41M5/382—Contact thermal transfer or sublimation processes
- B41M5/3825—Electric current carrying heat transfer sheets
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Impression-Transfer Materials And Handling Thereof (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、通電感熱転写記録に用いる転写体に関する。[Detailed description of the invention] Industrial applications The present invention relates to a transfer body used for electrical thermal transfer recording.
従来の技術
通電転写に用いる転写体の構成は、種々提案されている
。代表的な構成の第１は導電性基材（通電抵抗体）上に
色材層を設けたものであり、第２は基材の一方の面に色
材層、他方の面に通電抵抗２／、−７
層を設けたものである。BACKGROUND OF THE INVENTION Various configurations of transfer bodies used in electrical transfer have been proposed. The first typical configuration is a color material layer provided on a conductive base material (current-carrying resistor), and the second is a color material layer on one side of the base material and a current-carrying resistor 2 on the other side. /, -7 layers are provided.
第１の構成は基材自身に導電性を付与させているため基
材に力学的強度を求めることは困難であるが、第２の構
成は基材にポリエチレンテレフタレート（以後、ＰＥＴ
と略す）フィルム等を用いることができるため力学的強
度を保持させることが容易である。しかし、第２の構成
は一般に基材自身が非導電性のため、通電抵抗層は第１
の構成より、より高い導電性が求められている。In the first configuration, the base material itself has conductivity, so it is difficult to determine the mechanical strength of the base material, but in the second configuration, the base material is made of polyethylene terephthalate (hereinafter referred to as PET).
Since it is possible to use a film or the like, it is easy to maintain mechanical strength. However, in the second configuration, the base material itself is generally non-conductive, so the current-carrying resistance layer is
Higher conductivity is required than in the structure of
通電抵抗層は一般に導電性粉末と結着剤とから構成され
ているため、導電特性の向上は導電性の高い導電性粉末
と導電性粉末が分散しやすい結着剤の選択に大きく依存
する。Since the current-carrying resistance layer is generally composed of conductive powder and a binder, improvement in conductive properties largely depends on the selection of highly conductive conductive powder and a binder in which the conductive powder is easily dispersed.
高導電性粉末としてＤＢＰ吸油量の大きいカーボンブラ
ックが良好であると提案されている（例えば、特開昭６
０−７１２９３号公報）。結着剤は導電性粉末の分散性
の向上と基材に対する接着強度の観点から例えば、フェ
ノキシ樹脂とポリウレタンの混合樹脂（特開昭６０−７
８７８５号公報）等が提案されている。It has been proposed that carbon black with a large DBP oil absorption is good as a highly conductive powder (for example, JP-A No. 6
0-71293). From the viewpoint of improving the dispersibility of the conductive powder and adhesion strength to the base material, the binder is, for example, a mixed resin of phenoxy resin and polyurethane (Japanese Patent Laid-Open No. 60-7
No. 8785) and the like have been proposed.
３Ａ−ノ
発明が解決しようとする課題
通電抵抗層の導電性向上は導電性粉末量、を増加させる
ことにより得られるが、反面塗膜強度が劣化する。Problems to be Solved by the Invention 3A-No. The conductivity of the current-carrying resistance layer can be improved by increasing the amount of conductive powder, but on the other hand, the strength of the coating film deteriorates.
従来、ＤＢＰ吸油量の大きいカーボンブラックを用いて
高導電性の通電抵抗層を得ることが提案されているがＤ
ＢＰ吸油量の大きいカーボンブラックはカサ高いため塗
膜強度の低下をもたらし、又、強力分散させると導電性
が著しく低下する問題がある。Conventionally, it has been proposed to obtain a highly conductive current-carrying resistance layer using carbon black with a large DBP oil absorption amount, but D
Carbon black, which has a large BP oil absorption, is bulky, resulting in a decrease in coating film strength, and also has the problem of markedly decreasing conductivity when dispersed strongly.
又、高導電性と塗膜強度を得るためのカーボンブラック
の分散性は結着剤である樹脂に大きく依存するため結着
樹脂の選択も大きな課題であシ、総合的に高い導電性を
有し塗膜強度の大きい通電抵抗層が得られていない。In addition, the dispersibility of carbon black to obtain high conductivity and coating strength is highly dependent on the binder resin, so selection of the binder resin is also a major issue. However, a current-carrying resistance layer with high coating film strength has not been obtained.
本発明は、高導電性でφ膜強度の大きい通電抵抗層を得
ることを目的とする。An object of the present invention is to obtain a current-carrying resistance layer that is highly conductive and has a large φ film strength.
課題を解決するための手段
少なくとも通電抵抗層と基材と色材層とからなる３層構
造を有する転写体において、前記通電抵抗層を少なくと
もＤＢＰ吸油量が３０ ｏｍｌ／ １ｏｏｇ以上のカー
、ポンプラックとＤＢＰ吸油量が３ｏ○ｍｌ ／ １ｏ
ｏ ｊｉ以下のカーボンブラックとポリエステルウレ
タンとから形成する。Means for Solving the Problems In a transfer body having a three-layer structure consisting of at least a current-carrying resistance layer, a base material, and a coloring material layer, the current-carrying resistance layer is coated with a car or pump rack having a DBP oil absorption of at least 30 oml/10og. and DBP oil absorption amount is 3o○ml/1o
It is formed from carbon black of less than o ji and polyester urethane.
作用
ＤＢＰ吸油量が３０’０ａ１７１００ ｇ以下の分散性
に優れたカーボンブラックを添加することによ、す３０
０ｍｇ／ｌｏｏｇ以上の分散性の悪いカーボンブラック
粒子群間の電気的接触を良好にして高い導電性を獲得す
ることができる。By adding carbon black with excellent dispersibility and a DBP oil absorption of 30'0a17100 g or less,
High electrical conductivity can be achieved by making good electrical contact between groups of carbon black particles with poor dispersibility of 0 mg/loog or more.
又、ポリエステルウレタンが吸油量の大きいカーボンブ
ラックに対しても分散性が良好であり、又、ポリエステ
ル基材等に対する接着強度も大きいことから大きな塗膜
強度が得られる。In addition, polyester urethane has good dispersibility even in carbon black, which has a large oil absorption amount, and also has high adhesive strength to polyester base materials, etc., so that a high coating film strength can be obtained.
実施例
図に本発明の一実施例である転写体の概略断面図を示す
。Embodiment Figure 1 shows a schematic cross-sectional view of a transfer body that is an embodiment of the present invention.
基材１の下面に通電抵抗層２、上面に色材層３がある。A current-carrying resistance layer 2 is provided on the bottom surface of the base material 1, and a color material layer 3 is provided on the top surface.
基材１は高分子フィルムである。特にポリエステル系フ
ィルムが良好である。例えば、５ 。The base material 1 is a polymer film. Particularly good are polyester films. For example, 5.
ＰＥＴフィルム、ホリエチレンナフタレートフィルム等
がある。基材には耐熱層等の塗工層が形成されていても
よい。Examples include PET film and polyethylene naphthalate film. A coating layer such as a heat-resistant layer may be formed on the base material.
通電抵抗層２は少なくともカーボンブラックと結着剤と
から形成されている。The current-carrying resistance layer 2 is formed from at least carbon black and a binder.
カーボンブラックは少なくともＤＢＰ吸油量（以下吸油
量と略す）が３０ｏＩＩＬｌ／１００ｇ以上のカーボン
ブラックと吸油ｉがａｏｏｄ／１ｏｏｇ以下のカーボン
ブラックとからなる。Carbon black consists of at least carbon black with a DBP oil absorption (hereinafter abbreviated as oil absorption) of 30oIIL/100g or more and carbon black with oil absorption i of less than aood/1oog.
吸油量が３００ｍｌ／１ｏｏ、９以上のカーボンブラッ
クは例えばケッチエンブラック（例えば品番ＥＣあるい
はＥＣ−６００ＪＤ、三菱油化株式会社）を用いること
ができる。As the carbon black having an oil absorption of 300 ml/1oo and 9 or more, for example, Ketschen Black (for example, product number EC or EC-600JD, manufactured by Mitsubishi Yuka Co., Ltd.) can be used.
吸油量が３００ｍ１７１００ｇ以下のカーボンブラック
は例えば、導電性カーボンブラック（トーカブラック、
東海カーボン株式会社）、インダストリアルカ−ボンブ
ラック（ＣＯＮＤＵＣＴＥＸ 、 コロンビャン・カー
ボン日本株式会社）等を用いることができる。Examples of carbon black with an oil absorption amount of 300 m 17,100 g or less include conductive carbon black (Toka Black,
Tokai Carbon Co., Ltd.), industrial carbon black (CONDUCTEX, Colombian Carbon Japan Co., Ltd.), etc. can be used.
結着剤はポリエステルウレタンである。The binder is polyester urethane.
ポリエステルウレタンは、フェノール樹脂、メラミン樹
脂、エポキシ樹脂、インシアネート、グリオキサール等
の各種架橋剤を用ｒて架橋反応させて用いることができ
る。Polyester urethane can be used by subjecting it to a crosslinking reaction using various crosslinking agents such as phenol resin, melamine resin, epoxy resin, incyanate, and glyoxal.
特にインシアネートとの架橋反応物が塗膜強度の強い塗
膜を与える。In particular, a crosslinking reaction product with incyanate provides a coating film with high coating strength.
色材層は特に限定されない。例えば、ワ、ンクス系、あ
るいは樹脂系の溶融転写色材層および昇華染料系の色材
層を用いることができる。The coloring material layer is not particularly limited. For example, a wax-based or resin-based melt transfer color material layer and a sublimation dye-based color material layer can be used.
以下、具体的実施例を示す。Specific examples will be shown below.
（実施例） ポリエステルウレタン樹脂（ＵＣＸ−９２９。(Example) Polyester urethane resin (UCX-929.
旭電化工業株式会社）５０重量部、カーボンブラックｃ
ケッチエンブラック、ＥＣ−６００ＪＤ 。Asahi Denka Kogyo Co., Ltd.) 50 parts by weight, carbon black c
Ketchen Black, EC-600JD.
吸油量４ｓｏｎｇ／１ｏｏｊ；ｌ ） １ｔｓ重量部、
カーボンブラック（トーカブラック＃−４５００．吸油
量１６８ｍ１／１ ｏｏ／ｉ ）７＋５重量部、 ）
／Ｉ／ １７１００重示部１メチルエチルケトン’１０
０Ｍ量部からなる混合液をアトライタで４８時間以上均
一分散させた後、インシアネート架橋剤（ＥＣ−１００
゜７・＼−７
旭電化工業株式会社）５重量部を添加して塗工液を作製
した。この塗工液を厚さ６μｍのＰＥＴフィルム上にワ
イヤーバーで塗工後、１３０℃の恒温槽中で１時間熱処
理させて、厚さ６μｍ５表面抵抗値３００Ω／口を有し
表面光沢のある通電抵抗層を形成させた。Oil absorption amount 4song/1ooj;l) 1ts parts by weight,
Carbon black (Toka Black #-4500. Oil absorption 168m1/1 oo/i) 7+5 parts by weight, )
/I/ 17100 Part 1 Methyl Ethyl Ketone '10
After uniformly dispersing the mixed solution consisting of 0M parts with an attritor for 48 hours or more, incyanate crosslinking agent (EC-100
゜7・＼-7 Asahi Denka Kogyo Co., Ltd.) 5 parts by weight were added to prepare a coating liquid. This coating solution was applied onto a 6 μm thick PET film using a wire bar, and then heat treated in a constant temperature bath at 130°C for 1 hour to give a 6 μm thick surface with a surface resistance value of 300 Ω/hole and a glossy surface. A resistive layer was formed.
この通電抵抗層の反対面のＰＥＴフィルム上に酸化ワッ
クス３重量部、テルペン樹脂０．７５重量部、カーボン
ブラック１重量部、トルエン３ｏ重量部からなるインキ
をワイヤーバーで塗工し厚さ５μｍの色材層を形成し転
写体を作製した。An ink consisting of 3 parts by weight of oxidized wax, 0.75 parts by weight of terpene resin, 1 part by weight of carbon black, and 3 parts by weight of toluene was coated onto the PET film on the opposite side of the current-carrying resistance layer using a wire bar to a thickness of 5 μm. A coloring material layer was formed to produce a transfer body.
この転写体を普通紙と重ね合わせ記録電圧２５Ｖ、アル
ファベット５０文字／秒の記録条件で記録した結果、ヘ
ッドつまシも発生せず良好に記録できた。This transfer body was superimposed on plain paper and recorded under the recording conditions of a recording voltage of 25 V and a rate of 50 alphabetical characters/second, and as a result, good recording was achieved without any occurrence of head smearing.
又、通電抵抗層上に幅１２ｍｍの接着テープにチバン株
式会社）を接着させて通電抵抗層をＰＥＴフィルム上か
ら剥離させようとしたがまったくＰＥＴフィルム上から
剥離しなかった。Furthermore, an attempt was made to peel the current-carrying resistance layer from the PET film by adhering an adhesive tape having a width of 12 mm (Chiban Co., Ltd.) onto the current-carrying resistance layer, but the layer did not peel off from the PET film at all.
発明の効果
本発明によれば、高導電性で塗膜強度の大きい通電抵抗
層を有する通電感熱転写記録用転写体を得ることができ
る。Effects of the Invention According to the present invention, it is possible to obtain a transfer body for current-carrying heat-sensitive transfer recording having a current-carrying resistance layer having high conductivity and high coating film strength.
図は本発明の一実施例における通電感熱転写記録用転写
体の概略断面図である。
１・・・・・・基材、２・・・・・・通電抵抗層、３・
・・・・・色材層。The figure is a schematic cross-sectional view of a transfer body for electrically conductive thermal transfer recording in one embodiment of the present invention. 1... Base material, 2... Current carrying resistance layer, 3.
...color material layer.
Claims (1)
造を有する転写体において、前記通電抵抗層が少なくと
もＤＢＰ吸油量が３００ｍｌ／１００ｇ以上のカーボン
ブラックとＤＢＰ吸油量が３００ｍｌ／１００ｇ以下の
カーボンブラックとポリエステルウレタンとから形成さ
れている通電感熱転写記録用転写体。In a transfer body having a three-layer structure consisting of at least a current-carrying resistance layer, a base material, and a coloring material layer, the current-carrying resistance layer includes at least carbon black having a DBP oil absorption of 300 ml/100 g or more and a carbon black having a DBP oil absorption of 300 ml/100 g or less. A transfer body for electrical thermal transfer recording made of carbon black and polyester urethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63024336A JPH01198390A (en) | 1988-02-03 | 1988-02-03 | Transfer body for current supply thermal transfer recording |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63024336A JPH01198390A (en) | 1988-02-03 | 1988-02-03 | Transfer body for current supply thermal transfer recording |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01198390A true JPH01198390A (en) | 1989-08-09 |
Family
ID=12135339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63024336A Pending JPH01198390A (en) | 1988-02-03 | 1988-02-03 | Transfer body for current supply thermal transfer recording |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01198390A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1125754A1 (en) * | 1999-12-27 | 2001-08-22 | Dai Nippon Printing Co., Ltd. | Thermal transfer ribbon and method of manufacturing same |
-
1988
- 1988-02-03 JP JP63024336A patent/JPH01198390A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1125754A1 (en) * | 1999-12-27 | 2001-08-22 | Dai Nippon Printing Co., Ltd. | Thermal transfer ribbon and method of manufacturing same |
| US6468636B1 (en) | 1999-12-27 | 2002-10-22 | Dai Nippon Printing Co., Ltd. | Thermal transfer ribbon and method of manufacturing same |
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