EP2303591A1 - Procédé d'impression sans impact et articles correspondants - Google Patents

Procédé d'impression sans impact et articles correspondants

Info

Publication number
EP2303591A1
EP2303591A1 EP09763325A EP09763325A EP2303591A1 EP 2303591 A1 EP2303591 A1 EP 2303591A1 EP 09763325 A EP09763325 A EP 09763325A EP 09763325 A EP09763325 A EP 09763325A EP 2303591 A1 EP2303591 A1 EP 2303591A1
Authority
EP
European Patent Office
Prior art keywords
label
primer
varnish
support portion
partial contact
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Withdrawn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
EP09763325A
Other languages
German (de)
English (en)
Inventor
Paul Amaat Raymond Gerard France
Edmond Irizarry
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.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
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 Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of EP2303591A1 publication Critical patent/EP2303591A1/fr
Withdrawn legal-status Critical Current

Links

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
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • B41M5/5254—Macromolecular coatings characterised by the use of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/0054—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or film forming compositions cured by thermal means, e.g. infrared radiation, heat
    • 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
    • B41M2205/10—Post-imaging transfer of imaged layer; transfer of the whole imaged layer
    • 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
    • B41M2205/12—Preparation of material for subsequent imaging, e.g. corona treatment, simultaneous coating, pre-treatments

Definitions

  • Heat transfer labels have been known in the art for some time. These labels have been used to mark various containers, bottles, packages, and the like.
  • a label-carrying web may subjected to heat, and the label pressed onto an article with the ink design layer making direct contact with the article.
  • the wax layer begins to melt. This enables the paper sheet to be released from the ink design layer, with a portion of the wax layer being transferred with the ink design layer onto the article and a portion of the wax layer remaining with the paper sheet.
  • the paper sheet may be removed, leaving the design affixed to the article and the wax transferred therewith exposed to the environment.
  • the heat-transfer label may further include an adhesive layer (comprising, for example, a polyamide or polyester adhesive) deposited over the ink design to facilitate adhesion of the label onto the surface and/or a protective lacquer layer interposed between the wax release layer and the ink layer.
  • an adhesive layer comprising, for example, a polyamide or polyester adhesive
  • the current invention relates to a label for marking a surface comprising: a) a support portion, b) a varnish in at least partial contact with the support portion, c) a primer in at least partial contact with the varnish, d) an ink in at least partial contact with the primer, and e) an optional adhesive in at least partial contact with the ink, wherein the label is capable of being at least partially affixed to the surface by at least heating the label.
  • the current invention relates to a process for marking a surface comprising a) providing a label capable of being attached to the surface, said label comprising: 1) a support portion, 2) a varnish in at least partial contact with the support portion, 3) a primer in at least partial contact with the varnish, 4) an ink in at least partial contact with the primer, and 5) an adhesive in at least partial contact with the primer; b) placing the label in contact with the surface ,c) heating the label to at least partially affix the label onto the surface, and d) removing the support portion from the label.
  • Figure 1 illustrates the process of making the label of the current invention.
  • the devices, apparatuses, methods, components, and/or compositions of the present invention can include, consist essentially of, or consist of, the components of the present invention as well as other ingredients described herein.
  • consisting essentially of means that the devices, apparatuses, methods, components, and/or compositions may include additional ingredients, but only if the additional ingredients do not materially alter the basic and novel characteristics of the claimed devices, apparatuses, methods, components, and/or compositions.
  • the current invention relates to a label for marking a surface comprising: a support portion, a varnish in at least partial contact with the support portion, a primer in at least partial contact with the varnish, an ink in at least partial contact with the primer, and an optional adhesive in at least partial contact with the ink, wherein the label is capable of being at least partially affixed to the surface by heating the label.
  • the current invention also relates to a process for marking a surface comprising providing a label capable of being attached to the surface, said label comprising: a support portion, a varnish in at least partial contact with the support portion, a primer in at least partial contact with the varnish, an ink in at least partial contact with the primer, and an adhesive in at least partial contact with the primer; placing the label in contact with the surface, heating the label to at least partially affix the label onto the surface, and removing the support portion from the label.
  • a digital printing process can be used to print labels of this manner in combination with analog coating processes.
  • Digital printing processes such as utilizing the HP Indigo type of printer, have historically been problematic when used with labels of the present invention, as the printing would smear, run, or not have the necessary durability.
  • Other problems utilizing digital printing include achieve the proper surface energy in the transfer medium in order to enhance the printed image to be transferred from a transfer drum of the digital printer onto the label.
  • a primer layer within the label structure, the adhesion of the inks onto the label is improved, resulting in improved durability of the layers while enhancing the digital printing process.
  • the current invention utilizes a digital printing process.
  • Digital printing processes include any processes for adding ink to the label that are computer manipulated. Technologies for accomplishing this manipulation include inkjet printing, laser printing, electroink printing and the like.
  • the digital printing utilized within this invention is non-impact printing.
  • Non-impact printing Printing technologies, which do not require a stable, physical, fixed image carrier and can generate in principle a different printed image per print, are referred to as non-impact printing.
  • Electrophotographic technology is one embodiment of non-impact printing technologies.
  • a laser sends information to an intermediate carrier, a drum with a photoconductive coating without impact.
  • the latent charged image stored on this drum is inked with a toner and transferred to the substrate.
  • the predominating technologies are electrophotography and inkjet printing. Ionography, magnetography and thermography are also used for non-impact printing.
  • Non-impact printing technologies can create a completely different print image rotation by rotation, thus it is not necessary to generate a mechanical master for each printed image.
  • Non-impact printing technologies allow for print on demand and personalization or customization. Further technical descriptions of these Non-impact Printing technologies are be found in Handbook of Print Media, edited by Helmut Kipphan ISBN3-540-67326-1 Springer- Verlag Berlin (2001), the entirety of which is incorporated by reference.
  • HP® Indigo printing presses rely upon electro transfer of liquid ink, transferring the final image from a make-ready blanket in one pass on the varnish of the label.
  • the blanket is negatively charged to a nominal value of about 800 volts.
  • a coding unit transfers data from the artwork file directly to the blanket by reducing the printing areas to about -100 volts, the ink with a voltage rating of about -400V is attracted to the low voltage areas of the blanket.
  • the colors are added sequentially in a step and repeat motion.
  • the layers of the present invention are coated by one or more analog coating processes.
  • analog coating process it is meant to differentiate these processes from the digital printing utilized to apply inks to the label.
  • exemplary analog coating processes include flood coating and spot coating.
  • Flood Coating is a well-known technique within the print industry to apply coatings and layers of the present invention. During the flood coating process, the coating substance is applied via nozzles to the substrate as it passes by. The excess substance is then scrapped by doctor blades and re-circulated, after filtration.
  • Spot Coating is also a well-known technique whereby coatings and layers can be applied to only a portion of the current invention. Spot coating typically allows for greater control of registration and layer thickness. Spot coating can be applied using conventional analog print methods such as gravure, flexoprinting or screen printing.
  • flood coating and spot coating are used in various embodiments for applying the adhesive, varnish, primer, and substrate coating to the substrate of the present invention to form the label of the present invention. Any combination of flood and spot coating may be used in the various coating steps of the present invention to achieve the desired results.
  • the primer is spot coated substantially in areas where the digital printing process is applying ink.
  • forming the support portion in one embodiment occurs in a continuous process.
  • the support portion is then stored until the rest of the label is ready to be made, at which point additional steps are performed, as disclosed herein, to form a label in a second continuous process.
  • the support portion of the invention includes at least one substrate and at least one coating.
  • Suitable substrates include any material capable of fixing the label components for an indefinite period of time in predetermined arrangements.
  • Substrates include papers, non-wovens, plastics, woven materials, and the like.
  • Plastic substrates include polyesters, such as polyethylene terephthalate, polyethylene napthylene; poly olefins, such as polyethylene and polypropylene; and polyamides.
  • the support portion is a clear plastic film.
  • the support portion is a translucent plastic film. Opaque films are also contemplated.
  • the substrate is contained on a roll whereby the substrate is fed from the roll in at least a semi-continuous manner.
  • the substrate is provided in discreet sizings, such as a 10 cm by 10 cm substrate, to facilitate label formation.
  • the support portion of this invention also comprises a substrate coating.
  • a substrate coating When heated aids the release of the substrate from the rest of the label as the label is applied to a surface. Any substrate coating that would facilitate such a function is contemplated.
  • Such coatings include waxes, paraffins, silicones, polyethylene, and the like.
  • the coating has a thickness of about 0.01 to 10 microns, in an alternate embodiment from about 0.02 microns to about 1 micron.
  • a varnish or lacquer layer is at least partially positioned between the support portion and the primer. In one embodiment, the varnish is at least partially positioned between the coating and the primer. Varnishes, such as phenoxy varnishes described in U.S. Pat. No. 5,800,656, or cross-linked phenoxy varnishes described in U.S. patent application Ser. No. 09/093,150, are contemplated. Without wishing to be bound by theory, it is believed that the varnish layer protects the label after it has been placed on a surface by improving resistance to scratching, scuffing, and the like.
  • aesthetic modifying agents are at least partially mixed with the varnish.
  • Aesthetic modifying agents modify the final label by providing additional visual, tactile, or scent elements to the label.
  • Aesthetic modifying agents providing additional visual elements include glitter, pearlescent additives, tinting agents, and the like.
  • Aesthetic modifying agents providing additional tactile elements include tackifiers, grits and sands, and the like.
  • Aesthetic modifying agents providing additional scent elements include perfumes, perfume microcapsules, and the like.
  • the varnish is added to the label at a thickness from about 1.0 micron to about 2 microns.
  • the primer has a thickness of from about 0.1 to about 2.0 gram per square meter of substrate.
  • the primer is pre-mixed in the varnish.
  • Suitable primer compositions can also be found in U.S. Pat, Nos. 6,767,588; 6,743,480 and 7,014,974.
  • Exemplary primers include acrylic based monomers.
  • an exemplary primer is polyethylenimine (PEI).
  • a thin substantially uniform coating of the primer can be applied to the label of the present invention using a gravure printing process, although other coating processes, as known in the art may be used.
  • the primer adheres well to the plastic and the primer coated surface can be printed with liquid toners, such as for example those described in U.S. Pat. No. 5,407,771 to Landa et al., the disclosure of which is incorporated herein by reference.
  • Toners are Electrolnk® produced and sold by Indigo N. V. of the Netherlands such as Electrolnk® El-Mark 3.0 and El- Mark 3.1 are suitable. Other toners can be used.
  • a dispersed phase of Styrofan Acronal 866 or Styronal D808.
  • Styrofan and Styronal are trade names for aqueous polymer dispersions based on styrene-butadiene sold by BASF.
  • Acronal is a trade name for acrylate homopolymers and copolymers in dispersed form sold by BASF.
  • aqueous dispersion is by weight, preferably, 8% ⁇ 4% of a dispersed phase of Styrofan, Acronal 866 or Styronal D808.
  • dispersion formed with Styrofan, Acronal and Styronal is preferably mixed with 6% polyethylenimine solution in equal parts by weight of dispersion to solution.
  • a quantity of dispersion based on Styrofan, Acronal or Styronal may be mixed with a quantity of polyethylenimine solution to provide a primer in which the ratio of dispersed phase of Styrofan, Acronal or Styronal to polyethylenimine in the primer has a range between 1 and 5, in accordance with one embodiment of the present invention.
  • primers suitable for use with the current invention are listed in 6,767,588, 6,743,480; 7,014,974, the disclosures of which are incorporated by reference.
  • Exemplary primers include DigiPrime® (water based primer made by Michelman); and Saphire®(solvent based primer made Indigo Electronic Printing Systems Ltd.)
  • Inks of the current invention may actually comprise either a single ink layer or a plurality of ink layers.
  • Inks of the present invention may be made using one or more conventional inks, such as polyester inks, polyester/ vinyl inks, polyamide inks and/or acrylic inks.
  • conventional inks such as polyester inks, polyester/ vinyl inks, polyamide inks and/or acrylic inks.
  • One of ordinary skill will readily know that there is a plethora of inks that can be utilized and can utilize these inks based on the needs for the label.
  • Inks formed from both dyes, pigments, and combinations thereof are also contemplated.
  • the inks of the present invention are compatible for use with digital printing.
  • the adhesive of the current invention comprises a heat-activatable adhesive, a pressure-activatable adhesive, or a heat/pressure activatable adhesive.
  • exemplary adhesives include polyester-based adhesives; however, other types of adhesives, such as water- based acrylic adhesives (see, for example, U.S. Ser. No. 09/093,153, which application is incorporated herein by reference), phenoxy adhesives (see for example, U.S. S N. 09/189, 277, which application is incorporated herein by reference) and the like, are also suitable.
  • the adhesive layer is formed by depositing, by gravure printing or the like, onto (i) ink layer 25, (ii) exposed portions of primer layer (iii) and/or exposed portions of the varnish layer.
  • Figure 1 illustrates the label 70 of the present invention.
  • the present invention relates to a hybrid system 83 that marries the knowledge of analog coating process with the flexibility of digital printing.
  • the label is produced by a combination of a pre-print coating treatment 40, a digital printing 50 and a post-print coating treatment 60.
  • the substrate 75 is first coated with at least one substrate coating 80 during a substrate coating process 10 forming the support portion 77.
  • the substrate 75 may be coated in multiple layers of the same or different substrate coating 80.
  • a varnish 85 is coated over the substrate coating 80 in a varnish coating process 20.
  • a primer 90 is coated over the varnish 85 during a primer coating process 30.
  • ink 95 is printed onto the primer 90 in the desired patterns and forms during the Digital Print Process 50.
  • an adhesive layer 99 may optionally be applied during a finish coating process 60. Further treatments of the label 70 during and/or after the post-print coating treatment 60 include corona treatments and the like.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Laminated Bodies (AREA)
  • Decoration By Transfer Pictures (AREA)
  • Adhesive Tapes (AREA)

Abstract

Une étiquette (70) pour marquer une surface comprenant : a) une partie de support (77), b) un vernis (85) au moins en contact partiel avec la partie de support, c) un apprêt (90) au moins en contact partiel avec le vernis, d) une encre (95) au moins en contact partiel avec l’apprêt, et e) un adhésif facultatif (99) au moins en contact partiel avec l’encre, l’étiquette étant capable d’être au moins partiellement fixée à la surface au moins en étant chauffée.
EP09763325A 2008-06-11 2009-06-04 Procédé d'impression sans impact et articles correspondants Withdrawn EP2303591A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13169508P 2008-06-11 2008-06-11
PCT/US2009/046277 WO2009152034A1 (fr) 2008-06-11 2009-06-04 Procédé d'impression sans impact et articles correspondants

Publications (1)

Publication Number Publication Date
EP2303591A1 true EP2303591A1 (fr) 2011-04-06

Family

ID=41050256

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09763325A Withdrawn EP2303591A1 (fr) 2008-06-11 2009-06-04 Procédé d'impression sans impact et articles correspondants

Country Status (4)

Country Link
EP (1) EP2303591A1 (fr)
JP (1) JP2011524996A (fr)
MX (1) MX2010013631A (fr)
WO (1) WO2009152034A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011159180A2 (fr) * 2010-06-18 2011-12-22 Endutex-Revestimentos Texteis, S.A. Tissu enduit recyclable à base de polyoléfines pour utilisation comme support d'impression numérique
JP2013091166A (ja) * 2011-10-24 2013-05-16 Dainippon Printing Co Ltd 熱転写シート及びにおい付き印刷物
WO2013063178A1 (fr) * 2011-10-25 2013-05-02 The Procter & Gamble Company Substrat imprimé apprêté en séquence

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5795425A (en) * 1993-09-03 1998-08-18 Rexam Graphics Incorporated Ink jet imaging process and recording element for use therein
US5672413A (en) * 1995-09-27 1997-09-30 Rexam Graphics Incorporated Element and associated process for use with inkjet hot melt inks for thermal image transfer
US5668081A (en) * 1996-07-25 1997-09-16 Eastman Kodak Company Thermal dye transfer dye-donor element with transferable protection overcoat
US6139672A (en) * 1997-05-30 2000-10-31 Canon Kabushiki Kaisha Image-transfer medium for ink-jet recording and image-transfer printing process
WO2000074945A1 (fr) * 1999-06-04 2000-12-14 Daicel Chemical Industries, Ltd. Composition de resine destinee a une feuille d'enregistrement par jet d'encre et feuille realisee a l'aide de cette composition
JP2001121809A (ja) * 1999-10-25 2001-05-08 Oji Paper Co Ltd インクジェット記録用シート及びその製造方法
EP1095784B1 (fr) * 1999-10-25 2006-03-01 Oji Paper Company Limited Feuille d'enregistrement par jet d'encre
CA2398657A1 (fr) * 2000-02-10 2001-08-16 Indigo N.V. Procede de preparation d'une surface plastique pour une impression avec du toner
JP4452004B2 (ja) * 2001-08-09 2010-04-21 セイコーエプソン株式会社 転写シート
TR201808896T4 (tr) * 2002-12-02 2018-07-23 Avery Dennison Corp Isı transferi etiketi.
US20080017301A1 (en) * 2006-06-29 2008-01-24 3M Innovative Properties Company Transfer films for graphic substrates

Non-Patent Citations (1)

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Title
See references of WO2009152034A1 *

Also Published As

Publication number Publication date
WO2009152034A1 (fr) 2009-12-17
MX2010013631A (es) 2010-12-21
JP2011524996A (ja) 2011-09-08

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