DE3544379A1 - Wachs- oder kohlepapiermassen sowie eine schicht aus diesen massen enthaltende kohle- oder vervielfaeltigungspapiere - Google Patents

Wachs- oder kohlepapiermassen sowie eine schicht aus diesen massen enthaltende kohle- oder vervielfaeltigungspapiere

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Publication number
DE3544379A1
DE3544379A1 DE19853544379 DE3544379A DE3544379A1 DE 3544379 A1 DE3544379 A1 DE 3544379A1 DE 19853544379 DE19853544379 DE 19853544379 DE 3544379 A DE3544379 A DE 3544379A DE 3544379 A1 DE3544379 A1 DE 3544379A1
Authority
DE
Germany
Prior art keywords
oil
carbon
papers
wax
oils
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.)
Withdrawn
Application number
DE19853544379
Other languages
English (en)
Inventor
Dietrich Hoffmann
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Priority to DE19853544379 priority Critical patent/DE3544379A1/de
Priority to EP19860116990 priority patent/EP0226919A3/de
Priority to US06/939,001 priority patent/US4725493A/en
Priority to JP61292674A priority patent/JPS62146971A/ja
Publication of DE3544379A1 publication Critical patent/DE3544379A1/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Withdrawn legal-status Critical Current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
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    • 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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    • 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
    • C10N2040/44—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

Landscapes

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

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 werdenen 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 trockner und sauberer ist, daß der Abdruck vom Papier vollständiger als bisher erfolgt, daß durch das eingekapselte Öl eine Verbesserung der Lagerfähigkeit eintritt und daß die Migrationsneigung des Öls deutlich verringert wird.
Ein weiterer wesentlicher Vorteil ist die Steigerung der Zahl der möglichen Kopien, 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 Lösungsmitteln
Animalische und vegetabilische Öle
c) Farbmittel
Bevorzugt verwendet wird Ruß. 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 Öle, wie sie in Mikrokapseln für chemische Durchschreibepapiere verwendet werden. Mikrokapseln mit gelöstem Reaktfarbstoff oder anderen Farbstoffen in sprühgetrockneter Form eignen sich für diese Anwendung ebenfalls vorzüglich.
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 Öles in eingekapselter Form zugesetzt wird. Das können 1 bis 100, vorzugsweise 1-50 und insbesondere 5 bis 10% des Öls in eingekapselter Form sein.
Üblicherweise enthalten die erfindungsgemäßen Massen
10-60 Teile Wachs
10-60 Teile Öl und
 1-60 Teile Farbmittel,
sowie gegebenenfalls noch Lösungsmittel.
Die Beschichtung der Träger erfolgt nach den bekannten Verfahren.
In dem folgenden Beispiel 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 Öl 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 disperigert. 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:

Claims (6)

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 sie 1 bis 100, vorzugsweise 1 bis 50 und insbesondere 5 bis 10% des Öls in verkapselter Form enthalten.
3. Massen gemäß Anspruch 1, dadurch gekennzeichnet, daß die Mikrokapseln die üblicherweise für Kohlepapiermassen verwendeten Öle oder Ölgemische enthalten.
4. Massen gemäß Anspruch 5, dadurch gekennzeichnet, daß die Mikrokapseln aromatische, aliphatische oder naphthenische Öle, Lösemittel oder Gemische davon enthalten.
5. Massen gemäß Anspruch 5, dadurch gekennzeichnet, daß die Mikrokapseln Mineralöl/Kerosin, Rizinusöl, Dodezylbenzol, Klauenöl, Vaseline, niedrig schmelzende Paraffine oder Gemische davon enthalten.
6. Kohle- oder Vervielfältigungspapiere, enthaltend eine Schicht aus Wachs- oder Kohlepapiermassen gemäß den Ansprüchen 1-5.
DE19853544379 1985-12-14 1985-12-14 Wachs- oder kohlepapiermassen sowie eine schicht aus diesen massen enthaltende kohle- oder vervielfaeltigungspapiere Withdrawn DE3544379A1 (de)

Priority Applications (4)

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
EP19860116990 EP0226919A3 (de) 1985-12-14 1986-12-06 Wachs- oder Kohlepapiermassen sowie eine Schicht aus diesen Massen enthaltende Kohle- oder Vervielfältigungspapiere
US06/939,001 US4725493A (en) 1985-12-14 1986-12-08 Carbon papers containing carbon paper compositions
JP61292674A JPS62146971A (ja) 1985-12-14 1986-12-10 ワツクス材料及びカ−ボン紙材料ならびにこの材料からの層を有するカ−ボン紙及び複写用紙

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE3544379A1 true DE3544379A1 (de) 1987-06-19

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ID=6288521

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DE19853544379 Withdrawn DE3544379A1 (de) 1985-12-14 1985-12-14 Wachs- oder kohlepapiermassen sowie eine schicht aus diesen massen enthaltende kohle- oder vervielfaeltigungspapiere

Country Status (4)

Country Link
US (1) US4725493A (de)
EP (1) EP0226919A3 (de)
JP (1) JPS62146971A (de)
DE (1) DE3544379A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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

Family Cites Families (10)

* 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
JPS58181691A (ja) * 1982-04-19 1983-10-24 Matsushita Electric Ind Co Ltd 転写型感熱記録媒体
JPS5914987A (ja) * 1982-07-16 1984-01-25 Mitsubishi Paper Mills Ltd 普通紙転写型感圧複写紙

Also Published As

Publication number Publication date
EP0226919A2 (de) 1987-07-01
EP0226919A3 (de) 1988-01-20
JPS62146971A (ja) 1987-06-30
US4725493A (en) 1988-02-16

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