EP0206036A2 - Ruban encreur thermique et son procédé de fabrication - Google Patents

Ruban encreur thermique et son procédé de fabrication Download PDF

Info

Publication number
EP0206036A2
EP0206036A2 EP86107661A EP86107661A EP0206036A2 EP 0206036 A2 EP0206036 A2 EP 0206036A2 EP 86107661 A EP86107661 A EP 86107661A EP 86107661 A EP86107661 A EP 86107661A EP 0206036 A2 EP0206036 A2 EP 0206036A2
Authority
EP
European Patent Office
Prior art keywords
plastic
wax
layer
thermal
thermal ribbon
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
Application number
EP86107661A
Other languages
German (de)
English (en)
Other versions
EP0206036A3 (en
EP0206036B1 (fr
Inventor
Norbert Dr. Mecke
Rüdiger Dr. Weiss
Otto Jung
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pelikan Produktions AG
Original Assignee
Pelikan GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pelikan GmbH filed Critical Pelikan GmbH
Priority to AT86107661T priority Critical patent/ATE71883T1/de
Publication of EP0206036A2 publication Critical patent/EP0206036A2/fr
Publication of EP0206036A3 publication Critical patent/EP0206036A3/de
Application granted granted Critical
Publication of EP0206036B1 publication Critical patent/EP0206036B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B41M5/26—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
    • B41M5/382—Contact thermal transfer or sublimation processes
    • B41M5/392—Additives, other than colour forming substances, dyes or pigments, e.g. sensitisers, transfer promoting agents
    • B41M5/395—Macromolecular additives, e.g. binders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/914—Transfer or decalcomania

Definitions

  • the invention relates to a thermal ribbon, in particular thermocarbon ribbon, with a plastic film as a carrier and a layer formed on one side of the plastic film from a plastic-bound melting ink, and to a method which is particularly suitable for producing this thermal ribbon.
  • Thermal ribbons with wax-based melting ink have various disadvantages: For example, smearing of the melting ink often occurs during handling. Furthermore, there is always a need to use relatively smooth types of paper to be printed.
  • the invention solves this problem in that there is a layer of wax on the layer of the plastic-bound melting ink.
  • the essence of the invention is that that on a carrier, for. B. in the form of a thermoplastic plastic having a relatively high softening point, in particular above a temperature of 190 ° C, or in the form of paper or the like, a layer of a plastic-bound melting paint with a coating of a wax.
  • the plastic-bound melting ink of the thermal ribbon according to the invention contains a thermoplastic. Not every thermoplastic is suitable for this. Rather, the softening point plays an important role with regard to the melting conditions that arise during the printing process.
  • the softening point is regularly between about 60 and 140 ° C, in particular between 70 and 90 ° C.
  • the optimum softening point in each case depends, as already said, on the type of thermoplastic material used.
  • Advantageous thermoplastic materials are especially polystyrene, polyamide, polyvinyl acetate, ethylene / vinyl acetate copolymer, polymethacrylates and / or polyacrylates.
  • thermoplastic materials of the plastic-bound melting ink such as.
  • the coloring can be done by any colorant. It can be pigments, such as carbon black, but also solvent- and / or binder-soluble dyes, such as the commercial product Baso print and various azo dyes (e.g. Ceres and Sudan dyes). Carbon black is particularly suitable in the context of the invention.
  • wax layer as the top coating of the wax-bound melting ink.
  • wax is used in the context of the invention, this should be understood in the broadest sense.
  • Such a material should generally have the following properties: not kneadable at 20 ° C, solid to fragile, coarse to fine crystalline, translucent to opaque, but not glassy: meltable above 40 C without decomposition, but already relatively low above the melting point -viscous and not stringy.
  • paraffins Silicones, natural wax, in particular carnauba wax, beeswax, ozokerite and paraffin wax, synthetic wax, in particular acid waxes, ester waxes, partially saponified ester waxes and polyethylene waxes.
  • the wax layer should generally be about 0.5 to 7 microns thick, with the range of 1 to 3 microns being preferred.
  • the layer of the plastic-bound melting ink has a corresponding thickness, with the value of 1 to 3 micrometers also being preferred here. Basically, however, the thickness of the two layers mentioned is not critical for the desired effect. It is important that the thermal print head can transfer enough heat to allow the desired melting processes to take place during the printing process.
  • an aqueous suspension of finely divided wax material is applied, the water being evaporated off in a conventional manner after the application of this material.
  • the double-layer covering formed fulfills all requirements which are directed towards a melting color. Of course, this also applies regardless of the type of manufacture, i. H. also for a thermal ribbon according to the invention produced in a different way. In any case, not only is the problem of smearing conventional wax-bound melting colors mentioned at the outset rectified, but there is also the advantage of improved print sharpness during the printing process.
  • the reason for the particularly advantageous low-cost printing with the thermal ink ribbon according to the invention has not yet been clarified in detail.
  • the following explanation would be conceivable:
  • the upper wax layer of the thermal ink ribbon according to the invention could act as an affinity mediator between the plastic of the melted ink and the paper to be printed. This means that the wax has a greater affinity for paper under the conditions of thermal printing than the plastic-bound melting ink. This also applies to normal conditions. This is shown by the fact that a misprint can be easily erased, for example using a conventional eraser, with the colorless wax layer on the paper remains. You can then rewrite again without impairment.
  • there are of course other ways to remedy a misprint This can be done, for example, by printing an adhesive correction tape, the adhesiveness beginning at the thermal printing temperature. One would speak of a "lift-off system" here.
  • thermal ribbon according to the invention is that it is not subject to any restrictions with regard to the paper to be written on. Relatively rough papers can be printed perfectly with excellent print sharpness. Particularly favorable results are achieved if the wax material and the thermoplastic material in the plastic-bound melting ink are matched by preliminary tests with a view to optimization. These experiments are purely manual and can be carried out with little effort.
  • the aqueous wax dispersion is also applied using a doctor blade.
  • the applied layer is about 2 microns thick. Evaporation of the water follows again in the manner described above.
  • the thermal ribbon is now cut for later use and rolled onto a spool. Cutting does not show the smearing that occurs with known thermal ribbons. Excellent prints are achieved with the thermal ink ribbon according to the invention.

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP86107661A 1985-06-26 1986-06-05 Ruban encreur thermique et son procédé de fabrication Expired - Lifetime EP0206036B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86107661T ATE71883T1 (de) 1985-06-26 1986-06-05 Thermofarbband sowie ein verfahren zu dessen herstellung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3522801 1985-06-26
DE3522801A DE3522801C1 (de) 1985-06-26 1985-06-26 Thermofarbband sowie ein Verfahren zu dessen Herstellung

Publications (3)

Publication Number Publication Date
EP0206036A2 true EP0206036A2 (fr) 1986-12-30
EP0206036A3 EP0206036A3 (en) 1989-02-08
EP0206036B1 EP0206036B1 (fr) 1992-01-22

Family

ID=6274207

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86107661A Expired - Lifetime EP0206036B1 (fr) 1985-06-26 1986-06-05 Ruban encreur thermique et son procédé de fabrication

Country Status (4)

Country Link
US (1) US4744685A (fr)
EP (1) EP0206036B1 (fr)
AT (1) ATE71883T1 (fr)
DE (2) DE3522801C1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0342371A2 (fr) * 1988-05-16 1989-11-23 Pelikan Aktiengesellschaft Méthode pour la fabrication d'un ruban de colorant thermofusible pour l'impression par le transfert thermique
DE3822163A1 (de) * 1988-06-30 1990-01-04 Pelikan Ag Thermofarbband sowie ein verfahren zu dessen herstellung
EP0380920A2 (fr) * 1989-02-03 1990-08-08 Pelikan GmbH Ruban encreur thermique, procédé de sa fabrication et utilisation de ce ruban

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0686134B2 (ja) * 1986-10-06 1994-11-02 セイコーエプソン株式会社 熱転写インク媒体
DE3703813A1 (de) * 1987-02-07 1988-08-18 Pelikan Ag Mehrfach ueberschreibbares thermofarbband
US4925324A (en) * 1987-10-02 1990-05-15 Alps Electric Co., Ltd. Color ink ribbon for thermal printer
DE3812001A1 (de) * 1988-04-11 1989-10-19 Pelikan Ag Schreibband und verfahren zu dessen herstellung
US5171639A (en) * 1988-05-16 1992-12-15 Pelikan Aktiengesellschaft Method of making a thermocolor ribbon for a thermal printing process
DE3825438A1 (de) * 1988-07-27 1990-02-15 Pelikan Ag Thermofarbband sowie ein verfahren zu dessen herstellung
US5264279A (en) * 1989-09-19 1993-11-23 Dai Nippon Insatsu Kabushiki Kaisha Composite thermal transfer sheet
JP2941037B2 (ja) * 1989-11-02 1999-08-25 キヤノン株式会社 インクリボンカセット
US5707082A (en) * 1995-07-18 1998-01-13 Moore Business Forms Inc Thermally imaged colored baggage tags
DE19548033A1 (de) * 1995-12-21 1997-07-03 Pelikan Produktions Ag Thermotransferband
DE19713430C1 (de) * 1997-04-01 1998-12-03 Pelikan Produktions Ag Farbband für den Thermosublimationsdruck, Verfahren zu seiner Herstellung und dessen Verwendung
US6231964B1 (en) 1998-06-30 2001-05-15 Ncr Corporation Thermal transfer ribbons with large size wax or resin particles
US6504559B1 (en) 1998-09-14 2003-01-07 Gerald W. Newton Digital thermal printing process
US20080057233A1 (en) * 2006-08-29 2008-03-06 Harrison Daniel J Conductive thermal transfer ribbon
US7829162B2 (en) 2006-08-29 2010-11-09 international imagining materials, inc Thermal transfer ribbon
DE102017110387A1 (de) * 2017-05-12 2018-11-15 Leonhard Kurz Stiftung & Co. Kg Thermotransferfolie zur Herstellung eines Echtfarbenbildes sowie Verfahren zur Herstellung eines Echtfarbenbildes und Echtfarbenbild

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6078777A (ja) * 1983-10-06 1985-05-04 Seiko Epson Corp 感熱転写インクリボン
EP0154438A2 (fr) * 1984-02-24 1985-09-11 General Company Limited Procédé d'impression par transfert thermique
EP0198505A2 (fr) * 1985-04-17 1986-10-22 Toyo Ink Manufacturing Co., Ltd. Feuille pour le transfert thermosensible
EP0133638B1 (fr) * 1983-08-11 1987-11-25 Pelikan Aktiengesellschaft Ruban encreur thermique et procédé pour sa fabrication

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922438A (en) * 1972-10-04 1975-11-25 Columbia Ribbon Carbon Mfg Supercoated transfer elements and process for preparing and using same
US3904802A (en) * 1974-10-31 1975-09-09 Columbia Ribbon Carbon Mfg Transfer elements and methods of preparing same
US4128430A (en) * 1975-11-13 1978-12-05 Columbia Ribbon And Carbon Manufacturing Co., Inc. Master sheets and process for printing same
US4472479A (en) * 1979-12-10 1984-09-18 Recognition Equipment Incorporated Light barrier fluorescent ribbon
US4547088A (en) * 1980-06-26 1985-10-15 International Business Machines Corporation Correctable thermal transfer printing ribbon
IT1145104B (it) * 1981-09-21 1986-11-05 Olivetti & Co Spa Elemento inchiostrato termosensibile per stampanti senza impatto di tipo termico
US4421429A (en) * 1981-12-22 1983-12-20 International Business Machines Corporation Resistive substrate for thermal printing ribbons comprising a mixture of thermosetting polyimide, thermoplastic polyimide, and conductive particulate material
IT1158916B (it) * 1983-03-30 1987-02-25 Olivetti & Co Spa Elemento inchiostrato termosensibile per stampanti senza iimpatto di tipo termico
US4533596A (en) * 1983-06-28 1985-08-06 Ncr Corporation Thermal magnetic transfer ribbon
US4569609A (en) * 1984-07-13 1986-02-11 Burroughs Corporation Print ribbon comprising a frictional back layer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0133638B1 (fr) * 1983-08-11 1987-11-25 Pelikan Aktiengesellschaft Ruban encreur thermique et procédé pour sa fabrication
JPS6078777A (ja) * 1983-10-06 1985-05-04 Seiko Epson Corp 感熱転写インクリボン
EP0154438A2 (fr) * 1984-02-24 1985-09-11 General Company Limited Procédé d'impression par transfert thermique
EP0198505A2 (fr) * 1985-04-17 1986-10-22 Toyo Ink Manufacturing Co., Ltd. Feuille pour le transfert thermosensible

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Band 7, Nr. 250 (M-254)(1395); 8. November 1983; JP-A-58 136475 (FUJI XEROX K.K.) 13.08.1983 *
PATENT ABSTRACTS OF JAPAN, Band 9, Nr. 220 (E-341)(1943); 6. September 1985; & JP-A-60 078777 (EPUSON K.K.) 04-05-1985 (Kat. A) *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0342371A2 (fr) * 1988-05-16 1989-11-23 Pelikan Aktiengesellschaft Méthode pour la fabrication d'un ruban de colorant thermofusible pour l'impression par le transfert thermique
EP0342371A3 (fr) * 1988-05-16 1991-01-23 Pelikan Aktiengesellschaft Méthode pour la fabrication d'un ruban de colorant thermofusible pour l'impression par le transfert thermique
DE3822163A1 (de) * 1988-06-30 1990-01-04 Pelikan Ag Thermofarbband sowie ein verfahren zu dessen herstellung
US4938617A (en) * 1988-06-30 1990-07-03 Pelikan Aktiengesellschaft Thermal transfer ribbon with adhesion layer
EP0380920A2 (fr) * 1989-02-03 1990-08-08 Pelikan GmbH Ruban encreur thermique, procédé de sa fabrication et utilisation de ce ruban
EP0380920A3 (fr) * 1989-02-03 1991-02-06 Pelikan GmbH Ruban encreur thermique, procédé de sa fabrication et utilisation de ce ruban

Also Published As

Publication number Publication date
EP0206036A3 (en) 1989-02-08
ATE71883T1 (de) 1992-02-15
DE3683545D1 (de) 1992-03-05
US4744685A (en) 1988-05-17
EP0206036B1 (fr) 1992-01-22
DE3522801C1 (de) 1986-10-23

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