EP2546068A1 - Matériel d'enregistrement pour formation induite par pression d'un sigle et procédé de fabrication d'un tel matériel d'enregistrement - Google Patents

Matériel d'enregistrement pour formation induite par pression d'un sigle et procédé de fabrication d'un tel matériel d'enregistrement Download PDF

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Publication number
EP2546068A1
EP2546068A1 EP12175324A EP12175324A EP2546068A1 EP 2546068 A1 EP2546068 A1 EP 2546068A1 EP 12175324 A EP12175324 A EP 12175324A EP 12175324 A EP12175324 A EP 12175324A EP 2546068 A1 EP2546068 A1 EP 2546068A1
Authority
EP
European Patent Office
Prior art keywords
coating
recording material
coating composition
substrate
material according
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
EP12175324A
Other languages
German (de)
English (en)
Other versions
EP2546068B1 (fr
Inventor
Dr. Horst Heyer
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.)
Mitsubishi HiTec Paper Europe GmbH
Original Assignee
Mitsubishi HiTec Paper Europe 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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=44971135&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2546068(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mitsubishi HiTec Paper Europe GmbH filed Critical Mitsubishi HiTec Paper Europe GmbH
Priority to EP12175324.8A priority Critical patent/EP2546068B1/fr
Publication of EP2546068A1 publication Critical patent/EP2546068A1/fr
Application granted granted Critical
Publication of EP2546068B1 publication Critical patent/EP2546068B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/132—Chemical colour-forming components; Additives or binders therefor
    • B41M5/155—Colour-developing components, e.g. acidic compounds; Additives or binders therefor; Layers containing such colour-developing components, additives or binders
    • 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
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components

Definitions

  • the invention likewise and to a particular extent relates to a method for producing such a recording material for the pressure-induced formation of a typeface.
  • the invention further and to the same extent also relates to a method for producing a recording material for the pressure-induced formation of a typeface in all the embodiments and variants disclosed herein.
  • CF layers are understood as meaning those layers or coatings which have color developers (color acceptors or color acceptors) which are formed as color developer pigment or, as in the case according to the invention, as oil-dissolving sour-reacting organic substances can and lead with suitable dye precursors, preferably LeukoFarbstoffe, to a color reaction in which a color complex is formed.
  • suitable dye precursors preferably LeukoFarbstoffe
  • organic color acceptors well known in the art include phenolic substances such as phenol, resorcinol, naphthols and salicylic acid, which may also be alkyl substituted and may be present as monomers, oligomers or polymers (resins).
  • this recording material proposed on the back of its substrate on a so-called CB layer (coated back) on.
  • recording materials which have on the front side a CF layer with color acceptors or color acceptors and on the backside a CB layer are referred to as so-called CFB materials , sheets or sheets.
  • the CB layer contains microcapsules within which dye precursors are present in a suitable solvent.
  • the application of a localized pressure to the CB coating for example by writing by means of a pen or a typewriter, causes the microcapsules to break up, resulting in a release of the previously encapsulated dye precursors.
  • the CF coatings and / or the CB coatings are underlaid with barrier-forming intermediate coatings toward the substrate, which means that the barrier-forming intermediate coatings between substrate and CF coating and / or formed between substrate and CB coating.
  • barrier-forming intermediate coatings toward the substrate, which means that the barrier-forming intermediate coatings between substrate and CF coating and / or formed between substrate and CB coating.
  • zinc benzoates are generally known as color acceptors in color-reactive recording materials.
  • the non-generic EP 1 375 182 A1 the zinc 4-nitrobenzoate, which is not identical to zinc salicylate, as a developer component in heat-sensitive recording materials.
  • zinc benzoates, and also those color developers, which include the zinc salicylate proposed here are generally disclosed as components of color-reactive recording materials, without being concerned with possible concentrations in the color reaction layers.
  • Subject of the US 4,257,935 A is a color-developing coating composition which, according to introductory passages, is to be used preferably for pressure-sensitive recording systems.
  • a coating composition contains, in addition to zinc salicylate as the color acceptor and starch and latex as binder, a clay pigment whose possible inclusion in the description of the coating composition proposed there is not mentioned.
  • a SC (selfcontained) coating composition for forming a carbonless paper are disclosed for the zinc-salicylate as a color acceptor, a variety of possible components such as starch and polyvinyl alcohol as a binder and optionally also various pigments as possible fillers.
  • the inventors recognized that it is preferable for the first coating composition and for the CF coating formed from the first coating composition in the present proposals for a pressure-sensitive recording material and an associated production method, if the zinc salicylate in a Range from 4 to 14% by weight, based on the total weight of the CF coating, and most preferably in a still further narrowed range of 5.5 to 11.0% by weight, again based on the total weight of the CF. Coating - integrated in this CF coating.
  • the first coating composition and the CF coating formed from the first coating composition contain a pigment mixture exclusively of natural kaolin and precipitated calcium carbonate.
  • the experiments and trial preparations preceding the invention showed that a particular preference on the part of the inventor is given to a first coating composition and to a CF coating formed from the first coating composition using as pigment a pigment mixture of natural kaolin and precipitated Calcium carbonate, wherein the weight percent mixing ratio of natural kaolin and precipitated calcium carbonate ranges from 2: 1 to 1: 2.
  • the first coating composition and the CF coating formed from the first coating composition preferably comprises at least one binder selected from the list comprising: styrene-butadiene latex, styrene-acrylate Latex, starch, polyvinyl alcohol.
  • binder selected from the list comprising: styrene-butadiene latex, styrene-acrylate Latex, starch, polyvinyl alcohol.
  • the dye precursors are encapsulated in microcapsules that are sized and preferred for leukocyte application.
  • Dyes are largely not limited. However, those microcapsules which have a wall material of melamine-formaldehyde resin with a preferred average capsule size in a range in particular of 4 to 6 ⁇ m are particularly well-proven.
  • Diisopropylnaphthalene oil (KMC oil from Rütgers Novares GmbH, Duisburg, Germany) is preferably used as the capsule content, particularly preferably in combination with a petroleum distillate, this diisopropylnaphthalene oil mixture then preferably containing 100-50% by weight of diisopropylnaphthalene oil and 0 -50% by weight of petroleum distillate, more preferably 80-60% by weight of di-propylnaphthalene oil and 20-40% by weight of petroleum distillate, when referring to above% by weight, includes the entirety of the diisopropylnaphthalene oil mixture.
  • this Diisopropylnaphtalinöl mixture the dye precursors are dissolved.
  • the entire microcapsule preferably contains leuco dyes in the range from 4 to 7.5% by weight as the dye precursor for the present proposals within the present specification.
  • the preferred proportion of the diisopropylnaphthalene-oil mixture is then in a range of 77 to 86 wt .-%, while the proportion of the wall material is preferably in a range of 8 to 12 wt .-%. These weight percentages are based on the mass of the finished microcapsule.
  • the formation of the web-like substrate is done for example on a paper machine, in which at least one upstream Mischbütte a paper pulp of different pulps, optionally groundwood, fillers and water is applied and where to this paper pulp before being fed to the paper machine preferably further ingredients such as resin glue for engine sizing , Hydrophobizing agents and other conventional additives, such as pigments, shading dyes and / or optical brighteners are added.
  • a paper machine in which at least one upstream Mischbütte a paper pulp of different pulps, optionally groundwood, fillers and water is applied and where to this paper pulp before being fed to the paper machine preferably further ingredients such as resin glue for engine sizing , Hydrophobizing agents and other conventional additives, such as pigments, shading dyes and / or optical brighteners are added.
  • the first coating composition is preferably applied to the front side of the substrate using a coater, the coater preferably selected from the list comprising: roller coater and in particular film press, roller blade coater, Knife coater, air brush and most preferably curtain coater.
  • the first coating composition used to form this CF coating is preferably aqueous.
  • the subsequent drying of the first coating composition is usually carried out by a method in which heat is supplied, as is done by hot-air floatation dryer or contact dryer. Proven is also a combination of the listed dry processes.
  • the CF coating thus formed is preferably satinized at least slightly.
  • the basis weight of the CF coating of the first coating composition is preferably between 3.2 and 7.2 g / m 2, and more preferably between 3.4 and 5.2 g / m 2 .
  • the application of the second coating composition to form a CB coating on the back surface of the substrate is preferably accomplished by means of a coater selected from the list comprising: roller coater, curtain coater, doctor blade and doctor blade coater.
  • a coater selected from the list comprising: roller coater, curtain coater, doctor blade and doctor blade coater.
  • a curtain coater both in its design as Schlitzg teller with downwardly open color head from which immediately forms the color curtain, as well as in its design as Gleit vombe harsher, in which the paint head is the coating mass on an inclined flow sheet, from where the color curtain, excellent product and especially machine running properties could be observed within the coating process, eventually leading to a particularly homogeneous appearance of the CB coating from the second coating composition.
  • the second coating composition used to form the CB coating is preferably aqueous.
  • the subsequent drying of the second coating composition after application is again usually by a process in which heat is applied, such as by a hot-air float dryer or also contact dryer happens. Proven is also a combination of the listed dry processes.
  • the basis weight of the CB coating of the second coating composition is preferably between 2.2 and 6.2 g / m 2, and more preferably between 2.4 and 3.8 g / m 2 .
  • both the first CF coating front coating composition and the second CB coating coating composition are applied with a curtain coater.
  • the method proposed in this case is characterized in a very particularly preferred embodiment in that both coatings are applied within a single pass by a coater, this coater then has two curtain coater, each with downstream drying areas.
  • the CF coating is alternatively formed from eight different first coating compositions, these coating compositions differing as shown in Table 2 below .

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Color Printing (AREA)
EP12175324.8A 2011-07-14 2012-07-06 Matériel d'enregistrement pour formation induite par pression d'un sigle et procédé de fabrication d'un tel matériel d'enregistrement Not-in-force EP2546068B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12175324.8A EP2546068B1 (fr) 2011-07-14 2012-07-06 Matériel d'enregistrement pour formation induite par pression d'un sigle et procédé de fabrication d'un tel matériel d'enregistrement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP11173923.1A EP2546066B2 (fr) 2011-07-14 2011-07-14 Matériel d'enregistrement sensible à la pression et procédé pour sa fabrication
EP12175324.8A EP2546068B1 (fr) 2011-07-14 2012-07-06 Matériel d'enregistrement pour formation induite par pression d'un sigle et procédé de fabrication d'un tel matériel d'enregistrement

Publications (2)

Publication Number Publication Date
EP2546068A1 true EP2546068A1 (fr) 2013-01-16
EP2546068B1 EP2546068B1 (fr) 2014-09-10

Family

ID=44971135

Family Applications (3)

Application Number Title Priority Date Filing Date
EP11173923.1A Active EP2546066B2 (fr) 2011-07-14 2011-07-14 Matériel d'enregistrement sensible à la pression et procédé pour sa fabrication
EP12155798.7A Not-in-force EP2546067B1 (fr) 2011-07-14 2012-02-16 Méthode pour la fabrication d'un matériau pour l'enregistrement sensible à la pression
EP12175324.8A Not-in-force EP2546068B1 (fr) 2011-07-14 2012-07-06 Matériel d'enregistrement pour formation induite par pression d'un sigle et procédé de fabrication d'un tel matériel d'enregistrement

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP11173923.1A Active EP2546066B2 (fr) 2011-07-14 2011-07-14 Matériel d'enregistrement sensible à la pression et procédé pour sa fabrication
EP12155798.7A Not-in-force EP2546067B1 (fr) 2011-07-14 2012-02-16 Méthode pour la fabrication d'un matériau pour l'enregistrement sensible à la pression

Country Status (3)

Country Link
EP (3) EP2546066B2 (fr)
ES (2) ES2525570T5 (fr)
PL (1) PL2546066T5 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014108341A1 (de) * 2014-06-13 2015-12-17 Papierfabrik August Koehler Se CF-Papier
ES2623811T3 (es) 2014-07-29 2017-07-12 Mitsubishi Hitec Paper Europe Gmbh Material de registro termosensible con un derivado del ácido salicílico como revelador (del color) capaz de reaccionar con un precursor de colorante

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4257935A (en) 1975-11-28 1981-03-24 Sumitomo Naugatuck Co., Ltd. Color developing sheet for pressure-sensitive recording systems
GB2106529A (en) * 1981-08-05 1983-04-13 Monsanto Co Solvent systems containing a high proportion of diluent for pressure-sensitive copying systems
EP0360522A2 (fr) 1988-09-16 1990-03-28 The Mead Corporation Composition révélatrice
EP0485064A1 (fr) 1990-11-07 1992-05-13 The Standard Register Company Encre auto-chromogène pour l'impression contenant un pourcentage élevé de solides
EP1375182A1 (fr) 2001-04-04 2004-01-02 Nippon Soda Co., Ltd. Mat riau et feuille d'enregistrement
EP2161255A1 (fr) 2002-03-14 2010-03-10 Nippon Soda Co., Ltd. Composés phénoliques et matériaux d'enregistrement les contenant

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4360548A (en) † 1980-10-24 1982-11-23 The Standard Register Company Self-contained covert image
JPS6013839B2 (ja) † 1980-11-12 1985-04-09 十條製紙株式会社 感圧複写用顕色シ−ト
JP2828634B2 (ja) † 1988-07-18 1998-11-25 王子製紙株式会社 感圧複写用呈色紙
JP2786510B2 (ja) † 1989-11-22 1998-08-13 株式会社三光開発科学研究所 顕色剤水分散液の製造方法及びそれを用いた感圧記録紙
DE4224719C3 (de) † 1992-07-27 2002-03-07 Mitsubishi Hitec Paper Bielefe Verfahren zur Herstellung einer eine CF-Schicht aufweisenden Papierbahn für druckempfindliches Durchschreibepapier
DE4342140C2 (de) † 1993-12-10 1997-03-06 Zanders Feinpapiere Ag Aufzeichnendes Blatt für druckempfindliche Aufzeichnungssysteme
JP2002347339A (ja) † 2001-05-30 2002-12-04 Oji Paper Co Ltd 感圧記録紙およびその製造方法
JP2005111695A (ja) † 2003-10-03 2005-04-28 Nippon Paper Industries Co Ltd 感圧複写用顕色シート
CN101373183B (zh) † 2008-08-01 2012-04-18 东莞市天盛特种纸制品有限公司 用基准纸检测无碳复写纸cb面和cf面显色方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4257935A (en) 1975-11-28 1981-03-24 Sumitomo Naugatuck Co., Ltd. Color developing sheet for pressure-sensitive recording systems
GB2106529A (en) * 1981-08-05 1983-04-13 Monsanto Co Solvent systems containing a high proportion of diluent for pressure-sensitive copying systems
EP0360522A2 (fr) 1988-09-16 1990-03-28 The Mead Corporation Composition révélatrice
EP0485064A1 (fr) 1990-11-07 1992-05-13 The Standard Register Company Encre auto-chromogène pour l'impression contenant un pourcentage élevé de solides
EP1375182A1 (fr) 2001-04-04 2004-01-02 Nippon Soda Co., Ltd. Mat riau et feuille d'enregistrement
EP2161255A1 (fr) 2002-03-14 2010-03-10 Nippon Soda Co., Ltd. Composés phénoliques et matériaux d'enregistrement les contenant

Also Published As

Publication number Publication date
ES2525570T3 (es) 2014-12-26
EP2546066B2 (fr) 2018-06-27
PL2546066T5 (pl) 2018-10-31
ES2477553T3 (es) 2014-07-17
ES2525570T5 (es) 2018-11-07
PL2546066T3 (pl) 2015-02-27
EP2546066B1 (fr) 2014-09-10
EP2546068B1 (fr) 2014-09-10
EP2546067B1 (fr) 2014-04-09
EP2546067A1 (fr) 2013-01-16
EP2546066A1 (fr) 2013-01-16

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