EP2910384A1 - Matériel d'enregistrement thermosensible doté d'une combinaison d'absorbeurs de couleur d'un nouveau type - Google Patents

Matériel d'enregistrement thermosensible doté d'une combinaison d'absorbeurs de couleur d'un nouveau type Download PDF

Info

Publication number: EP2910384A1
Authority: EP; European Patent Office
Prior art keywords: heat; sensitive recording; recording material; recording layer; formula
Prior art date: 2014-02-21
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

EP14156227.2A

Other languages

German (de)

English (en)

Other versions

EP2910384B1 (fr

Inventor

Dr. Gerhard Stork

Matthias Neukirch

Diana Valentina Becerra Siabato

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.)

2014-02-21

Filing date

2014-02-21

Publication date

2015-08-26

2014-02-21 Application filed by Mitsubishi HiTec Paper Europe GmbH filed Critical Mitsubishi HiTec Paper Europe GmbH

2014-02-21 Priority to ES14156227.2T priority Critical patent/ES2606479T3/es

2014-02-21 Priority to EP14156227.2A priority patent/EP2910384B1/fr

2015-02-10 Priority to US15/118,740 priority patent/US9931877B2/en

2015-02-10 Priority to CN201580009022.7A priority patent/CN106061747B/zh

2015-02-10 Priority to KR1020167025993A priority patent/KR20160130406A/ko

2015-02-10 Priority to PCT/EP2015/052750 priority patent/WO2015124462A1/fr

2015-08-26 Publication of EP2910384A1 publication Critical patent/EP2910384A1/fr

2016-09-21 Application granted granted Critical

2016-09-21 Publication of EP2910384B1 publication Critical patent/EP2910384B1/fr

Status Not-in-force legal-status Critical Current

2034-02-21 Anticipated expiration legal-status Critical

Links

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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
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
- B41M5/333—Colour developing components therefor, e.g. acidic compounds
- B41M5/3331—Macromolecular compounds
- 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
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
- B41M5/323—Organic colour formers, e.g. leuco dyes
- B41M5/327—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
- B41M5/3275—Fluoran compounds
- 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
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
- B41M5/333—Colour developing components therefor, e.g. acidic compounds
- 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
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
- B41M5/333—Colour developing components therefor, e.g. acidic compounds
- B41M5/3333—Non-macromolecular compounds
- 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
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
- B41M5/333—Colour developing components therefor, e.g. acidic compounds
- B41M5/3333—Non-macromolecular compounds
- B41M5/3335—Compounds containing phenolic or carboxylic acid groups or metal salts thereof
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
- B41M2205/04—Direct thermal recording [DTR]

Definitions

Heat-sensitive and color-responsive recordable thermal recording materials have been known for many years and enjoy a generally unbroken popularity, due, among other things, to the great advantages associated with their use for the ticket and / or purse issuing businessman. Because the color-forming components, dye precursors and heat-responsive color acceptors, also called (color) developers, are incorporated in the recording material itself in such a heat-sensitive recording process, the toner and color-cartridge-free thermal printers known in the art may Function no longer need to be regularly controlled by anyone, be set up in large numbers. Thus, this innovative technology has largely prevailed, especially in public transport and retail.
the R in formula (1) is an alkyl group comprising 1 to 25 carbon atoms, most preferably 10 to 20 carbon atoms.
a color acceptor compound under the name Gallusklarestearylester or stearyl gallate.
Compounds of the formula (1) are substances which are composed of naturally occurring substances and which are used, in particular, as antioxidants in foods, for example ethyl gallate (E 313), propyl gallate (E 310), octyl gallate (E 311) and dodecyl gallate ( E 312) for use, among others, in baked goods, margarine, marzipan, nougat, dry soups and chips.
lactic acid can be prepared in accordance with formula (2)
Such a molecule can be represented according to formula (4):
a very particularly preferred example of a dibasic acid which is very useful in the context of the present invention is oxalic acid, which leads to a molecule as a secondary color acceptor from a central oxalic acid molecule and two oligomers of lactic acid.
a molecule is considered to be a particularly preferred example of a secondary color acceptor of the present invention capable of forming, together with a color acceptor compound represented by the formula (1), especially and most preferably, together with a gallic acid stearyl ester and a dye precursor to react to a visually recognizable color.
a secondary color acceptor consisting of a central citric acid molecule and three oligomers of lactic acid
Such a molecule is considered to be a particularly preferred example of a secondary color acceptor of the present invention capable of forming, together with a color acceptor compound represented by the formula (1), especially and most preferably, together with a gallic acid stearyl ester and a dye precursor to react to a visually recognizable color.
a color acceptor compound according to formula (1) and a secondary color acceptor of a central citric acid molecule and three oligomers of lactic acid are as additional constituents of the heat-sensitive recording layer in the present invention also additional, then, for example, classic color acceptors, as in paragraph Be mentioned, possible.
Representable is a molecule of a central citric acid molecule and three oligomers of lactic acid according to formula (5):
Suitable binders for incorporation into the heat-sensitive recording layer are, for example, water-soluble binders such as starch, hydroxyethylcellulose, methylcellulose, carboxymethylcellulose, gelatin, casein, polyvinyl alcohols, modified polyvinyl alcohols, ethylene-vinyl alcohol copolymers, sodium polyacrylates, acrylamide-acrylate copolymers, acrylamide-acrylate-methacrylate Terpolymers and alkali salts of styrene-maleic anhydride copolymer or ethylene-maleic anhydride copolymer, which binders can be used alone or in combination with one another; Water-insoluble latex binders such as styrene-butadiene copolymers, acrylonitrile-butadiene copolymers and methyl acrylate-butadiene copolymers are also suitable as binders for incorporation into the heat-sensitive recording layer.
water-soluble binders such as starch, hydroxye
polyvinyl alcohol ethylene-vinyl alcohol copolymers or polyvinyl alcohol in conjunction with ethylene-vinyl alcohol copolymers as particularly preferred binders which together, based on the total weight of the recording layer, in a range of 10 to 20 wt .-% in the heat-sensitive recording layer is incorporated.
a range of from 8 to 18% by weight (atro), which is narrowed down by the increasing danger of possible thermal printhead deposits, is particularly suited to the total weight of the heat-sensitive recording layer upward by an increasing reduction in sensitivity to the print image causing heat of the thermal printheads.
roller coater, knife coater, curtain coater or air brush are particularly suitable as coating apparatus for applying the heat-sensitive recording layer.
the basis weight of the heat-sensitive recording layer is preferably between 2 and 6 g / m 2, and more preferably between 2.2 and 4.8 g / m 2 .
Suitable pigments of the intermediate layer are both organic void pigments and inorganic pigments, the latter preferably selected from the group comprising natural and calcined kaolin, silica and in particular bentonite, calcium carbonate and aluminum hydroxide and here especially boehmite.
organic void pigments and inorganic pigments the latter preferably selected from the group comprising natural and calcined kaolin, silica and in particular bentonite, calcium carbonate and aluminum hydroxide and here especially boehmite.
such an intermediate layer can make a positive contribution to the leveling of the surface to be coated, which reduces the amount of coating color necessarily to be applied for the heat-sensitive recording layer. For this reason, offer to coat the pigment-containing intermediate layer leveling coating, such as Walzenstreichwerke, doctor blade and (roll) doctor blade coating.
the pigments of this intermediate layer can absorb the heat-liquefied wax constituents of the thermosensitive recording layer in the typeface formation and thus promote a safe and rapid operation of the heat-induced recording.
the basis weight of the pigment-containing intermediate layer is preferably between 5 and 20 g / m 2 and more preferably between 7 and 11 g / m 2 .
paper and here especially a non-surface treated base paper is the substrate that has prevailed on the market with regard to the good environmental compatibility because of good recyclability and is preferred for the purposes of the invention.
a non-surface treated base paper is to be understood as meaning a base paper which has not been treated in a size press or in a coating device.
films of, for example, polypropylene, polyolefin and polyolefin-coated papers as substrate are possible to the same extent, without such an embodiment having an exclusive character.
a paper pulp of eucalyptus pulp and other pulp fibers with fillers and water is applied in a mixing chest. Further constituents of the pulp to be added are resin size for engine sizing with an amount of 0.6% by weight (atro), based on the total weight of the pulp, and also other customary additives, such as, for example, pigments and / or optical brighteners. After completion of the pulp this is then fed to a fourdrinier paper machine, where it is processed into a paper web with a basis weight of 69 g / m 2 .
the paper web is dried within the paper machine by means of radiant heaters and in contact with hot rolls, smoothed here in a Mehrwalzenglätttechnik and then rolled up as Halbfertigpapiertambour.
ODU Optical Density Units
Thermoprobeaustik with a device of the type Atlantek 400 from Viex (USA) using a thermal head with a resolution of 300 dpi and an energy per unit area of 11.7 mJ / mm 2 .
the print density even of the black-colored areas are measured with the densitometer Gretag MacBeth TYPE D19C NB / U (Gretag MacBeth, 8105 Regensdorf, Switzerland), where the dynamic printing densities are measured at three points for each measured value and the arithmetic mean is formed from the three individual values becomes.
the Elrepho 3000 (illuminant D 65/10) was used as a measuring instrument when considering the color loci of the thermoprobographical printouts already examined with regard to the dynamic print density.
the thermoprobographical prints were measured twice, once before and once after a seven-day storage at 40.degree 95% humidity.
Of interest is the change in the color locus, which is easily recognizable when considering the individual values of the L * a * b * color space (as defined in DIN EN ISO 11664-4), because the L * value is more likely to be the Brightness of a measurement site, the a * value reflects its red / green orientation and the b * value its blue / yellow orientation.
thermosensitive recording material As claimed, the examples fully confirm the expectations and demonstrate the advantages of a thermosensitive recording material as claimed.

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Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Heat Sensitive Colour Forming Recording (AREA)

EP14156227.2A 2014-02-21 2014-02-21 Matériel d'enregistrement thermosensible doté d'une combinaison d'absorbeurs de couleur d'un nouveau type Not-in-force EP2910384B1 (fr)

Priority Applications (6)

Application Number	Priority Date	Filing Date	Title
ES14156227.2T ES2606479T3 (es)	2014-02-21	2014-02-21	Material de registro termosensible con una combinación novedosa de aceptores cromogénicos
EP14156227.2A EP2910384B1 (fr)	2014-02-21	2014-02-21	Matériel d'enregistrement thermosensible doté d'une combinaison d'absorbeurs de couleur d'un nouveau type
US15/118,740 US9931877B2 (en)	2014-02-21	2015-02-10	Heat-sensitive recording material having a novel color acceptor combination
CN201580009022.7A CN106061747B (zh)	2014-02-21	2015-02-10	具有新型的色彩受体组合物的热敏性记录材料
KR1020167025993A KR20160130406A (ko)	2014-02-21	2015-02-10	신규한 색 수용체 배합을 갖는 감열 기록 재료
PCT/EP2015/052750 WO2015124462A1 (fr)	2014-02-21	2015-02-10	Matériau d'enregistrement thermosensible muni d'une nouvelle combinaison d'accepteurs de couleur

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP14156227.2A EP2910384B1 (fr)	2014-02-21	2014-02-21	Matériel d'enregistrement thermosensible doté d'une combinaison d'absorbeurs de couleur d'un nouveau type

Publications (2)

Publication Number	Publication Date
EP2910384A1 true EP2910384A1 (fr)	2015-08-26
EP2910384B1 EP2910384B1 (fr)	2016-09-21

Family

ID=50156610

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP14156227.2A Not-in-force EP2910384B1 (fr)	2014-02-21	2014-02-21	Matériel d'enregistrement thermosensible doté d'une combinaison d'absorbeurs de couleur d'un nouveau type

Country Status (6)

Country	Link
US (1)	US9931877B2 (fr)
EP (1)	EP2910384B1 (fr)
KR (1)	KR20160130406A (fr)
CN (1)	CN106061747B (fr)
ES (1)	ES2606479T3 (fr)
WO (1)	WO2015124462A1 (fr)

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WO2017081064A1 (fr) *	2015-11-11	2017-05-18	Papierfabrik August Koehler Se	Matériau d'enregistrement thermosensible
WO2018130576A1 (fr) *	2017-01-10	2018-07-19	Mitsubishi Hitec Paper Europe Gmbh	Nouveau révélateur chromogène destiné à un support d'enregistrement thermosensible, et matériau d'enregistrement thermosensible à base de pla
EP3482963A1 (fr) *	2017-11-13	2019-05-15	Mitsubishi HiTec Paper Europe GmbH	Matériel d'enregistrement sensible à la chaleur à base de pla
EP3482964A1 (fr) *	2017-11-13	2019-05-15	Mitsubishi HiTec Paper Europe GmbH	Matériau d'enregistrement thermosensible à base de pla

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JP6856409B2 (ja) *	2017-03-07	2021-04-07	三光株式会社	感熱記録材料
JP6856410B2 (ja) *	2017-03-07	2021-04-07	三光株式会社	感熱記録材料

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2014
- 2014-02-21 EP EP14156227.2A patent/EP2910384B1/fr not_active Not-in-force
- 2014-02-21 ES ES14156227.2T patent/ES2606479T3/es active Active
2015
- 2015-02-10 CN CN201580009022.7A patent/CN106061747B/zh not_active Expired - Fee Related
- 2015-02-10 WO PCT/EP2015/052750 patent/WO2015124462A1/fr not_active Ceased
- 2015-02-10 KR KR1020167025993A patent/KR20160130406A/ko not_active Abandoned
- 2015-02-10 US US15/118,740 patent/US9931877B2/en not_active Expired - Fee Related

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US20040258857A1 (en)	2003-06-16	2004-12-23	Eastman Kodak Company	Imaging media with high elastic modulus and improved long term stability
US20050112302A1 (en)	2003-11-26	2005-05-26	Laney Thomas M.	Inkjet recording element and method of use
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EP2574645A1 (fr)	2011-09-30	2013-04-03	Mitsubishi HiTec Paper Europe GmbH	Accepteur de couleur réagissant en formant des couleurs avec un précurseur de colorant et matériau d'enregistrement sensible à la chaleur doté d'un tel accepteur de couleur

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WO2019091813A1 (fr) *	2017-11-13	2019-05-16	Mitsubishi Hitec Paper Europe Gmbh	Matériau d'enregistrement sensible à la chaleur a base de pla

Also Published As

Publication number	Publication date
ES2606479T3 (es)	2017-03-24
US9931877B2 (en)	2018-04-03
KR20160130406A (ko)	2016-11-11
EP2910384B1 (fr)	2016-09-21
WO2015124462A1 (fr)	2015-08-27
CN106061747A (zh)	2016-10-26
CN106061747B (zh)	2019-08-20
US20170043601A1 (en)	2017-02-16

Publication	Publication Date	Title
EP2910384B1 (fr)	2016-09-21	Matériel d'enregistrement thermosensible doté d'une combinaison d'absorbeurs de couleur d'un nouveau type
EP3352991B1 (fr)	2019-01-30	Matériel d'enregistrement sensible à la chaleur
EP2033799B1 (fr)	2011-05-11	Matériel d'enregistrement sensible à la chaleur
EP3746308B1 (fr)	2022-02-23	Composition de revêtement, couche d'enregistrement thermosensible, matériau d'enregistrement thermosensible et utilisations et procédés correspondants
EP2574645B1 (fr)	2014-06-25	Accepteur de couleur réagissant en formant des couleurs avec un précurseur de colorant et matériau d'enregistrement sensible à la chaleur doté d'un tel accepteur de couleur
EP2784133B1 (fr)	2017-01-04	Composition destinée à la formation d'une couleur visuellement reconnaissable et matériel d'enregistrement thermosensible correspondant
DE202017006776U1 (de)	2018-05-16	Wärmeempfindliches Aufzeichnungsmaterial
EP2329959B1 (fr)	2012-08-29	Matériel d'enregistrement sensible à la chaleur doté d'un revêtement de barrière
EP3625058B1 (fr)	2024-08-21	Composite stratifié comprenant une couche de support et une couche de finition et son procédé de fabrication
DE202020005616U1 (de)	2021-10-25	Wärmeempfindliches Aufzeichnungsmaterial, umfassend phenolfreie organische Farbentwickler
EP2979888B1 (fr)	2017-02-22	Matériel d'enregistrement sensible à la chaleur ayant un dérivé d'acide salicylique comme développeur (de couleur) pouvant réagir à un précurseur de colorant
EP4200139A1 (fr)	2023-06-28	Matière d'impression thermosensible et couche d'impression thermosensible et composition de revêtement pour la réaliser, utilisations correspondantes et procédé
EP2033800B1 (fr)	2010-02-24	Matériel d'enregistrement sensible à la chaleur
EP2505374B1 (fr)	2014-03-05	Matériel d'enregistrement sensible à la chaleur, son utilisation et son procédé de fabrication
DE102016219569A1 (de)	2018-04-12	Wärmeempfindliches Aufzeichnungsmaterial
DE102006050420B3 (de)	2008-03-06	Wärmeempfindliches Aufzeichnungsmaterial
EP3374195B1 (fr)	2020-10-07	Matériau d'enregistrement thermosensible
EP2480415B1 (fr)	2013-08-14	Matériau d'enregistrement thermosensible pourvu d'un revêtement au verso
DE102016219567A1 (de)	2018-04-12	Wärmeempfindliches Aufzeichnungsmaterial
WO2010112088A1 (fr)	2010-10-07	Matériau d'enregistrement thermosensible

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