EP0226919A2 - Wax or carbon paper masses and coatings thereof for carbon or reproduction papers - Google Patents

Wax or carbon paper masses and coatings thereof for carbon or reproduction papers 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
Authority
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.)
Withdrawn
Application number
EP86116990A
Other languages
German (de)
French (fr)
Other versions
EP0226919A3 (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
Publication of EP0226919A2 publication Critical patent/EP0226919A2/en
Publication of EP0226919A3 publication Critical patent/EP0226919A3/en
Withdrawn legal-status Critical Current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
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/02—Water
    • C—CHEMISTRY; METALLURGY
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/04—Elements
    • C10M2201/041—Carbon; Graphite; Carbon black
    • C—CHEMISTRY; METALLURGY
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/04—Elements
    • C10M2201/041—Carbon; Graphite; Carbon black
    • C10M2201/042—Carbon; Graphite; Carbon black halogenated, i.e. graphite fluoride
    • C—CHEMISTRY; METALLURGY
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    • C10M2201/06—Metal compounds
    • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
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    • C10M2201/065—Sulfides; Selenides; Tellurides
    • C10M2201/066—Molybdenum sulfide
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    • C10M2205/022—Ethene
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    • C10M2205/14—Synthetic waxes, e.g. polythene waxes
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    • 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.

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.The invention relates to wax compositions and carbon paper compositions based on waxes, oils and colorants, which contain at least part of the oil in encapsulated form.

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.The production of wax and carbon paper masses for carbonless papers for single and repeated use has been known for over 100 years and has been improved and cheaper over the years.

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.However, there has been a decline in the use of carbon paper for some years. The reason is the narrowing price gap to the ever cheaper capsule papers.

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.However, it will not be possible to do without carbon paper for special applications. Carbon paper is still used for particularly intensive copies and for making a large number of copies.

Eine vermehrte Anwendung von Kohlepapier könnte durch Verbesserung der Qualität und Verbilligung erreicht werden.Increased use of carbon paper could be achieved by improving quality and cheaper.

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.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. However, this affects the cleanliness of the copies due to unintentional mass transfer. In addition, the oil migrates into the paper and the color dries up.

Stellt man die Kohlepapierfarbe fester ein, ist zwar der unbeabsichtigte Masseübergang gering, jedoch wird die Kopierfähigkeit vermindert.If you set the carbon paper color more firmly, the unintentional mass transfer is low, but the copying ability is reduced.

Die beiden Maßnahmen haben also gegenläufige Folgen.The two measures therefore have opposite consequences.

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.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.

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.According to the invention 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.

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.This has the advantage that the coating is drier and cleaner with less free oil, that the impression of the paper is more complete than before, and that the encapsulated oil improves the shelf life and the migration tendency of the oil is significantly reduced.

Ein weiterer wesentlicher Vorteil ist die Steigerung der Zahl der möglichen Durchschriften, in der Regel um bis zu 100 %.Another major advantage is the increase in the number of possible copies, usually by up to 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.
The usual components, i.e. a wide variety of waxes, oils, colorants and, if appropriate, solvents are suitable for the production of the wax colors:
  • a) waxes
    Paraffin waxes
    Polyethylene waxes
    Carnauba wax
    vaseline
    Ozokerite
    Wool fat
    Ester waxes
    Beef tallow
    Microcrystalline waxes
  • b) oils
    Mineral and synthetic oils with different levels of aliphatic, aromatic or naphthenic content, possibly with a content of solvents
    Animal and vegetable oils
  • c) colorants
    Carbon black is preferably used. However, other color pigments, in particular alkali blue brands, are also used. The use of soluble dyes is possible, but is unusual due to economic considerations.

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.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.

Als Mikrokapseln können naturgemäß alle gegen die in den Wachs- oder Kohlepapiermassen enthaltenen Komponenten stabilen Kapseln verwendet werden; solche Kapseln sind Stand der Technik.All capsules which are stable against the components contained in the wax or carbon paper materials can of course be used as microcapsules; such capsules are state of the art.

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.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.

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.The 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.

Die Beschichtung der Träger erfolgt nach den bekannten Verfahren.The carriers are coated using the known methods.

In dem folgenden Beispeil beziehen sich Angaben über Teile und Prozente, sofern nicht anders vermerkt wurde, auf das Gewicht.In the following example, parts and percentages are by weight unless otherwise noted.

Beispielexample

Eine Wachsfarbe wurde nach folgendem Rezept gefertigt:
32 Teile Carnaubawachs,
5 Teile Esterwachs,
40 Teile Mineralöl,
20 Teile Ruß und
3 Teile Mineralöl enthaltendes MikrokapselpulverA 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

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.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.

Als Vergleich diente eine Wachsfarbe der Zusammensetzung:
35 Teile Carnaubawachs,
5 Teile Esterwachs,
40 Teile Mineralöl und
20 Teile Ruß.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.

Die Beschichtung erfolgte mit 8 g/m² auf einer üblichen Maschine.The coating was carried out at 8 g / m² on a conventional machine.

Die Gegenüberstellung der mit und ohne Mikrokapseln hergestellten Carbonfarben gibt folgende Übersicht:

Figure imgb0001
The comparison of carbon colors made with and without microcapsules gives the following overview:
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.1. wax compositions and carbon paper compositions based on waxes, oils and colorants, containing at least part of the oil in encapsulated form. 2. Massen gemäß Anspruch 1, dadurch gekennzeichnet, daß diese 1 bis 100 Gew.-%, des Öls in verkapselter Form enthalten.2. Compositions according to claim 1, characterized in that they contain 1 to 100 wt .-% of the oil in encapsulated form. 3. Massen gemäß Anspruch 1, dadurch gekennzeichnet, daß diese 1 bis 50 Gew.-% des Öls in verkapselter Form enthalten.3. Compositions according to claim 1, characterized in that they contain 1 to 50 wt .-% of the oil in encapsulated form. 4. Massen gemäß Anspruch 1, dadurch gekennzeichnet, daß diese 5 bis 10 Gew.-% des Öls in verkapselter Form enthalten.4. Compositions according to claim 1, characterized in that they contain 5 to 10 wt .-% of the oil in encapsulated form. 5. Massen gemäß Anspruch 1, 2 oder 3 dadurch gekennzeichnet, daß die Mikrokapseln die üblicherweise für Kohlepapiermassen verwendeten Öle oder Ölgemische enthalten.5. Compositions according to claim 1, 2 or 3, characterized in that the microcapsules contain the oils or oil mixtures usually used for carbon paper compositions. 6. Massen gemäß Anspruch 5, dadurch gekennzeichnet, daß die Mikrokapseln aromatische, aliphatische oder naphthenische Öle, Lösemittel oder Gemische davon enthalten.6. Compositions according to claim 5, characterized in that the microcapsules contain aromatic, aliphatic or naphthenic oils, solvents or mixtures thereof. 7. Massen gemäß Anspruch 5, dadurch gekennzeichnet, daß die Mikrokapseln Mineralöl/Kerosin, Rizinusöl, Dodezylbenzol, Klauenöl, Vaseline, niedrig schmelzende Paraffine oder Gemische davon enthalten.7. Compositions according to claim 5, characterized in that the microcapsules contain mineral oil / kerosene, castor oil, dodezylbenzene, claw oil, petroleum jelly, low-melting paraffins or mixtures thereof. 8. Kohle- oder Vervielfältigungspapiere, enthaltend eine Schicht aus Wachs- oder Kohlepapiermassen gemäß den Ansprüchen 1 bis 7.8. Charcoal or duplication papers containing a layer of wax or carbon paper masses according to claims 1 to 7.
EP19860116990 1985-12-14 1986-12-06 Wax or carbon paper masses and coatings thereof for carbon or reproduction papers Withdrawn EP0226919A3 (en)

Applications Claiming Priority (2)

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DE19853544379 DE3544379A1 (en) 1985-12-14 1985-12-14 GROSS OR CARBON PAPERS AND A LAYER OF CARBON OR REPRODUCTION PAPERS CONTAINING THESE MASSES
DE3544379 1985-12-14

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EP0226919A3 EP0226919A3 (en) 1988-01-20

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JP4714331B2 (en) * 2000-10-30 2011-06-29 トッパン・フォームズ株式会社 Pressure sensitive copy sheet for preventing tampering using back carbon ink
JP4714330B2 (en) * 2000-10-30 2011-06-29 トッパン・フォームズ株式会社 Pressure sensitive copy sheet for preventing tampering using back carbon ink
CN107201474B (en) * 2016-03-16 2022-05-06 优频科技材料股份有限公司 Hard-face alloy material

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US4725493A (en) 1988-02-16

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