EP0226919A2 - Wachs- oder Kohlepapiermassen sowie eine Schicht aus diesen Massen enthaltende Kohle- oder Vervielfältigungspapiere - Google Patents

Wachs- oder Kohlepapiermassen sowie eine Schicht aus diesen Massen enthaltende Kohle- oder Vervielfältigungspapiere Download PDF

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Publication number
EP0226919A2
EP0226919A2 EP86116990A EP86116990A EP0226919A2 EP 0226919 A2 EP0226919 A2 EP 0226919A2 EP 86116990 A EP86116990 A EP 86116990A EP 86116990 A EP86116990 A EP 86116990A EP 0226919 A2 EP0226919 A2 EP 0226919A2
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EP
European Patent Office
Prior art keywords
oil
wax
carbon
carbon paper
contain
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.)
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Application number
EP86116990A
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English (en)
French (fr)
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EP0226919A3 (de
Inventor
Dietrich Hoffmann
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BASF SE
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BASF SE
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Publication date
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Publication of EP0226919A2 publication Critical patent/EP0226919A2/de
Publication of EP0226919A3 publication Critical patent/EP0226919A3/de
Withdrawn legal-status Critical Current

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    • 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
    • B41M5/10—Duplicating or marking methods; Sheet materials for use therein by using carbon paper or the like
    • C—CHEMISTRY; METALLURGY
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/02—Water
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/04—Elements
    • C10M2201/041—Carbon; Graphite; Carbon black
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    • C10M2201/04—Elements
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    • C10M2201/042—Carbon; Graphite; Carbon black halogenated, i.e. graphite fluoride
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    • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
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    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/44—Super vacuum or supercritical use
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/50—Medical uses
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/015—Dispersions of solid lubricants
    • C10N2050/02—Dispersions of solid lubricants dissolved or suspended in a carrier which subsequently evaporates to leave a lubricant coating
    • 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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249994—Composite having a component wherein a constituent is liquid or is contained within preformed walls [e.g., impregnant-filled, previously void containing component, etc.]
    • Y10T428/249995—Constituent is in liquid form
    • Y10T428/249997—Encapsulated liquid
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31801—Of wax or waxy material

Definitions

  • Carbon paper is still used for particularly intensive copies and for making a large number of copies.
  • the carbon paper copy is achieved through the balanced mixture of waxes, oils and colorants.
  • a high number of copies with good intensity can be achieved with wax colors that are particularly soft, i.e. that their oil content is high.
  • this affects the cleanliness of the copies due to unintentional mass transfer.
  • the oil migrates into the paper and the color dries up.
  • the object of the present invention was to find a way out of this dilemma and to improve the known wax / carbon paper masses in order to obtain stable duplicating papers which permit a large number of copies.
  • this object is achieved in that at least part of the required oil is added in encapsulated form to the wax and carbon paper compositions based on waxes, oils and colorants.
  • Another major advantage is the increase in the number of possible copies, usually by up to 100%.
  • the oil-containing microcapsules can contain all of the oils commonly used in wax colors insofar as they are suitable for encapsulation. In addition, oils such as those used in microcapsules for chemical carbonless papers are also suitable. Microcapsules with a dissolved reactive dye or other dyes in spray-dried form are also particularly suitable for this application.
  • the proportions of the waxes, oils and colorants correspond to those of the conventional mixtures, except that part of the oil according to the invention is added until the entire amount of the oil in encapsulated form.
  • This can be 1 to 100, preferably 1 to 50 and in particular 5 to 10% of the total amount of oil.
  • compositions according to the invention usually contain 10 - 60 parts of wax 10 - 60 parts of oil, including 0.6 to 20 parts in encapsulated form, and 1 - 30 parts of colorant, and optionally also solvent.
  • the carriers are coated using the known methods.
  • a wax paint was made according to the following recipe: 32 parts of carnauba wax, 5 parts of ester wax, 40 parts mineral oil, 20 parts of carbon black and 3 parts microcapsule powder containing mineral oil
  • the wax portions were added to the mineral oil and heated until everything was melted. Carbon black was then introduced into the liquid mass and dispersed. After this process was completed, the microcapsule powder was added and also carefully dispersed. Coating was carried out on a conventional 4.8 g / m2 machine.
  • a wax color of the composition served as a comparison: 35 parts of carnauba wax, 5 parts of ester wax, 40 parts of mineral oil and 20 parts of carbon black.
  • the coating was carried out at 8 g / m2 on a conventional machine.

Landscapes

  • Color Printing (AREA)
  • Paper (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

Die Erfindung betrifft Wachsmassen und Kohlepapiermassen auf der Basis von Wachsen, Ölen und Farbmitteln, die zumindest einen Teil des Öls in verkapselter Form enthalten.

Description

  • Die Herstellung von Wachs- und Kohlepapiermassen für Durchschreibpapiere für den einmaligen und mehrmaligen Gebrauch ist seit über 100 Jahren bekannt und im Laufe der Jahre verbessert und verbilligt worden.
  • Seit einigen Jahren ist jedoch ein Rückgang bei der Anwendung von Kohlepapier festzustellen. Die Ursache ist der sich vermindernde Preisabstand zu den immer billiger werdenden Kapselpapieren.
  • Für besondere Anwendungszwecke wird man jedoch nicht auf Kohlepapier verzichten können. So wird für besonders intensive Durchschriften und zum Herstellen einer großen Zahl von Kopien immer noch Kohlepapier verwendet.
  • Eine vermehrte Anwendung von Kohlepapier könnte durch Verbesserung der Qualität und Verbilligung erreicht werden.
  • Die Durchschrift mit Kohlepapier wird durch die ausgewogene Mischung aus Wachsen, Ölen und Farbmitteln erreicht. Hohe Kopienzahl bei guter Inten­sität erreicht man mit Wachsfarben, die besonders weich eingestellt sind, d.h., daß deren Ölanteile hoch sind. Dadurch wird allerdings die Sauber­keit der Kopien durch unbeabsichtigten Masseübergang beeinträchtigt. Außerdem migriert das Öl ins Papier und die Farbe trocknet ein.
  • Stellt man die Kohlepapierfarbe fester ein, ist zwar der unbeabsichtigte Masseübergang gering, jedoch wird die Kopierfähigkeit vermindert.
  • Die beiden Maßnahmen haben also gegenläufige Folgen.
  • Aufgabe der vorliegenden Erfindung war es, einen Ausweg aus diesem Dilemma zu finden und die bekannten Wachs-/Kohlepapiermassen zu ver­bessern, um stabile Vervielfältigungspapiere zu erhalten, die eine hohe Zahl von Durchsschriften erlauben.
  • Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß man den Wachs- und Kohlepapiermassen auf Basis von Wachsen, Ölen und Farbmitteln zumindest einen Teil des erforderlichen Öls in verkapselter Form zusetzt.
  • Dies hat den Vorteil, daß die Beschichtung durch wenig freies Öl trockener und sauberer ist, daß der Abdruck vom Papier vollständiger als bisher erfolgt, daß durch das eingekapselte Öl eine Verbesserung der Lagerfähig­ keit eintritt und daß die Migrationsneigung des Öls deutlich verringert wird.
  • Ein weiterer wesentlicher Vorteil ist die Steigerung der Zahl der möglichen Durchschriften, in der Regel um bis zu 100 %.
  • Für die Herstellung der Wachsfarben kommen die üblichen Komponenten, also die verschiedensten Wachse, Öle, Farbmittel und gegebenenfalls Lösungsmittel in Betracht:
    • a) Wachse
      Paraffin-Wachse
      Polyethylen-Wachse
      Carnauba-Wachs
      Vaseline
      Ozokerit
      Wollfett
      Esterwachse
      Rindertalg
      Mikrokristalline Wachse
    • b) Öle
      Mineralische und synthetische Öle mit unterschiedlichem Gehalt an aliphatischen, aromatischen oder naphthenischen Anteilen, gegebenenfalls mit einem Gehalt an Lösungs mitteln
      Animalische und vegetabilische Öle
    • c) Farbmittel
      Bevorzugt wird Ruß verwendet. Aber auch andere Farbpigmente, insbesondere Alkaliblau-Marken, finden Verwendung. Der Einsatz von löslichen Farbstoffen ist zwar möglich, aber aufgrund wirtschaftlicher Über­legungen unüblich.
  • Die Öl enthaltenden Mikrokapseln können alle in den Wachsfarben üblicher­weise verwendeten Öle, soweit sie für die Verkapselung geeignet sind, enthalten. Darüber hinaus eignen sich auch Öle, wie sie in Mikrokapseln für chemische Durchschreibepapiere verwendet werden. Für diese Anwendung eignen sich ebenfalls vorzüglich Mikrokapseln mit gelöstem Reaktfarbstoff oder anderen Farbstoffen in sprühgetrockneter Form.
  • Als Mikrokapseln können naturgemäß alle gegen die in den Wachs- oder Kohlepapiermassen enthaltenen Komponenten stabilen Kapseln verwendet werden; solche Kapseln sind Stand der Technik.
  • Die Mengenverhältnisse der Wachse, Öle und Farbmittel entsprechen denen der üblichen Mischungen, nur daß erfindungsgemäß ein Teil des Öls bis die gesamte Menge des Öls in eingekapselter Form zugesetzt wird. Das können 1 bis 100, vorzugsweise 1 bis 50 und insbesondere 5 bis 10 % der Gesamtmenge an Öl sein.
  • Üblicherweise enthalten die erfindungsgemäßen Massen
    10 - 60 Teile Wachs
    10 - 60 Teile Öl, davon 0,6 bis 20 Teile in eingekapselter Form, und
    1 - 30 Teile Farbmittel,
    sowie gegebenenfalls noch Lösungsmittel.
  • Die Beschichtung der Träger erfolgt nach den bekannten Verfahren.
  • In dem folgenden Beispeil beziehen sich Angaben über Teile und Prozente, sofern nicht anders vermerkt wurde, auf das Gewicht.
    • Beispiel
  • Eine Wachsfarbe wurde nach folgendem Rezept gefertigt:
    32 Teile Carnaubawachs,
    5 Teile Esterwachs,
    40 Teile Mineralöl,
    20 Teile Ruß und
    3 Teile Mineralöl enthaltendes Mikrokapselpulver
  • In das vorgelegte Mineralöl wurden die Wachsanteile gegeben und erwärmt, bis alles geschmolzen vorlag. In die flüssige Masse wurde dann Ruß eingetragen und dispergiert. Nachdem dieser Vorgang abgeschlossen war, wurde das Mikrokapselpulver eingetragen und ebenfalls vorsichtig disper­giert. Das Beschichten erfolgte auf einer üblichen Maschine mit 4,8 g/m².
  • Als Vergleich diente eine Wachsfarbe der Zusammensetzung:
    35 Teile Carnaubawachs,
    5 Teile Esterwachs,
    40 Teile Mineralöl und
    20 Teile Ruß.
  • Die Beschichtung erfolgte mit 8 g/m² auf einer üblichen Maschine.
  • Die Gegenüberstellung der mit und ohne Mikrokapseln hergestellten Carbonfarben gibt folgende Übersicht:
    Figure imgb0001

Claims (8)

1. Wachsmassen und Kohlepapiermassen auf der Basis von Wachsen, Ölen und Farbmitteln, enthaltend zumindest einen Teil des Öls in verkapselter Form.
2. Massen gemäß Anspruch 1, dadurch gekennzeichnet, daß diese 1 bis 100 Gew.-%, des Öls in verkapselter Form enthalten.
3. Massen gemäß Anspruch 1, dadurch gekennzeichnet, daß diese 1 bis 50 Gew.-% des Öls in verkapselter Form enthalten.
4. Massen gemäß Anspruch 1, dadurch gekennzeichnet, daß diese 5 bis 10 Gew.-% des Öls in verkapselter Form enthalten.
5. Massen gemäß Anspruch 1, 2 oder 3 dadurch gekennzeichnet, daß die Mikrokapseln die üblicherweise für Kohlepapiermassen verwendeten Öle oder Ölgemische enthalten.
6. Massen gemäß Anspruch 5, dadurch gekennzeichnet, daß die Mikrokapseln aromatische, aliphatische oder naphthenische Öle, Lösemittel oder Gemische davon enthalten.
7. Massen gemäß Anspruch 5, dadurch gekennzeichnet, daß die Mikrokapseln Mineralöl/Kerosin, Rizinusöl, Dodezylbenzol, Klauenöl, Vaseline, niedrig schmelzende Paraffine oder Gemische davon enthalten.
8. Kohle- oder Vervielfältigungspapiere, enthaltend eine Schicht aus Wachs- oder Kohlepapiermassen gemäß den Ansprüchen 1 bis 7.
EP19860116990 1985-12-14 1986-12-06 Wachs- oder Kohlepapiermassen sowie eine Schicht aus diesen Massen enthaltende Kohle- oder Vervielfältigungspapiere Withdrawn EP0226919A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853544379 DE3544379A1 (de) 1985-12-14 1985-12-14 Wachs- oder kohlepapiermassen sowie eine schicht aus diesen massen enthaltende kohle- oder vervielfaeltigungspapiere
DE3544379 1985-12-14

Publications (2)

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EP0226919A2 true EP0226919A2 (de) 1987-07-01
EP0226919A3 EP0226919A3 (de) 1988-01-20

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JP4714330B2 (ja) * 2000-10-30 2011-06-29 トッパン・フォームズ株式会社 バックカーボンインキを用いた改ざん防止用感圧複写シート
JP4714331B2 (ja) * 2000-10-30 2011-06-29 トッパン・フォームズ株式会社 バックカーボンインキを用いた改ざん防止用感圧複写シート
CN107201474B (zh) * 2016-03-16 2022-05-06 优频科技材料股份有限公司 硬面合金材料
WO2024031007A2 (en) * 2022-08-05 2024-02-08 Vgp Ipco Llc Structured assembly lubricant

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3396026A (en) * 1963-03-25 1968-08-06 Polaroid Corp Photographic capsular products
CH501771A (de) * 1969-01-15 1971-01-15 Ciba Geigy Ag Druckempfindliches Durchschreibematerial
US4211668A (en) * 1977-03-07 1980-07-08 Thalatta, Inc. Process of microencapsulation and products thereof
DE2950116A1 (de) * 1978-12-16 1980-07-03 Kores Nordic Deutschland Durchschreibeformsatz
FR2453026A1 (fr) * 1979-02-23 1980-10-31 Inca Ltd Materiau de reprographie par application de pression, chaleur ou decharge electrique
DE3030478A1 (de) * 1980-08-12 1982-03-25 Schneider, Walter, Dr., 8160 Miesbach Farbreaktiospapier
US4397483A (en) * 1980-10-17 1983-08-09 Mitsubishi Paper Mills, Ltd. Pressure sensitive recording paper
DE3044113A1 (de) * 1980-11-24 1982-07-15 Basf Ag, 6700 Ludwigshafen Mikrokapseln enthaltende wachsmassen
JPS5914987A (ja) * 1982-07-16 1984-01-25 Mitsubishi Paper Mills Ltd 普通紙転写型感圧複写紙

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US4725493A (en) 1988-02-16
DE3544379A1 (de) 1987-06-19
EP0226919A3 (de) 1988-01-20

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