EP0701903A1 - Matériau d'enregistrement pour impression par jet d'encre avec caractéristiques améliorées pour des encres alcooliques - Google Patents

Matériau d'enregistrement pour impression par jet d'encre avec caractéristiques améliorées pour des encres alcooliques Download PDF

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Publication number
EP0701903A1
EP0701903A1 EP95112816A EP95112816A EP0701903A1 EP 0701903 A1 EP0701903 A1 EP 0701903A1 EP 95112816 A EP95112816 A EP 95112816A EP 95112816 A EP95112816 A EP 95112816A EP 0701903 A1 EP0701903 A1 EP 0701903A1
Authority
EP
European Patent Office
Prior art keywords
alcohol
recording material
water
ink receiving
ink
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Withdrawn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
EP95112816A
Other languages
German (de)
English (en)
Inventor
Peter Dr. Koch
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.)
Renker & Co KG GmbH
Original Assignee
Renker & Co KG 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
Application filed by Renker & Co KG GmbH filed Critical Renker & Co KG GmbH
Publication of EP0701903A1 publication Critical patent/EP0701903A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • 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
    • B41M5/502—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials
    • B41M5/506—Intermediate layers
    • 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
    • B41M5/502—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials
    • B41M5/508—Supports
    • 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

Definitions

  • the invention relates to a recording material for inkjet printing (inkjet process) with improved ink drying behavior for alcoholic inks.
  • inkjet processes are known in principle. It is paper or transparent or opaque plastic films. These materials, in particular the plastic films, have an ink receiving layer on at least one of their surfaces. These are mostly hydrophilic coatings that are applied in a thickness between 2 and 50 ⁇ m on the carrier. Such layers are particularly well suited for the absorption of the mostly aqueous inks.
  • WO 92/07722 describes the coating of a carrier material with a mixture of a crosslinkable and a liquid-absorbing polymer, a partially permeable network being formed in the layer after its reaction.
  • an ink receiving layer which is composed of the following components: (1) a polyvinylpyrrolidone, (2) a polyester, (3) an alkylene oxide polymer, (4) a polyvinyl alcohol and (5) and a polyether.
  • the layer shows a particularly good absorption capacity for aqueous inks.
  • the composition of the inks varies depending on the type of device used for inkjet printing.
  • the usually aqueous inks often contain, as liquid components, additional proportions of monohydric and polyhydric alcohols, for example isopropanol, glycols.
  • the usual ink receiving layers have a good water absorption capacity, but the film-forming polymers used for this often have only a low affinity for alcohols. This can delay the drying of records with such inks.
  • polyhydric alcohols as ink components are often plasticizers for the polymers of the ink-receiving layer and produce a sticky layer when recorded.
  • the object of the invention is to avoid the disadvantages of known recording materials for inkjet printing when using alcohol-containing inks on recordings, in particular to improve the drying behavior of the ink on and in the ink receiving layer, without the behavior towards aqueous inks being impaired.
  • a recording material for inkjet printing with a flat carrier material which has a water-soluble or water-swellable ink receiving layer (a) on at least one of its surfaces and which is characterized in that an intermediate layer (b) between the carrier material and the ink receiving layer (a) ) from water-insoluble, but alcohol-soluble or alcohol-swellable, film-forming polymers.
  • a layer of water-insoluble but alcohol-soluble or alcohol-swellable film-forming polymers is applied to at least one of the surfaces, possibly also to both surfaces.
  • This intermediate layer is a kind of lacquer layer and can have a basis weight (dry) of 0.3-8 g / m2, preferably 1-5 g / m2.
  • alcohol as used herein includes liquid monohydric and polyhydric alcohols (glycols), as are often found in inks for ink jet printing.
  • Liquid polyhydric alcohols are glycerol, glycols such as ethylene glycol, propylene glycol, diethylene glycol etc.
  • Non-crosslinked poly (meth) acrylic acid derivatives e.g. with styrene or polyvinyl acetate or copolymers thereof or a mixture of two or more of these polymers.
  • the water-soluble or water-swellable ink receiving layer (a) has a customary composition with film-forming polymeric binders, pigments and auxiliaries. It can have an application weight (dry) of 4-30 g / m2, preferably 7-20 g / m2.
  • the adhesion of the ink receiving layer to the intermediate layer is significantly better than the adhesion of the ink receiving layer to the carrier material. Both the unimaged and the imaged samples showed very good adhesion of the ink receiving layer to the substrate.
  • the liability remains very good within a period of a few minutes to several months after the imaging. This is of particular advantage in some applications. For example, there is less of a risk that when stored in transparent sleeves, the ink receiving layer will stick to the inside of the sleeve and partially tear off when it is removed. Overlamination, for example with adhesive-coated foils, is also problematic, since detachment of the adhesive together with the ink receiving layer is much less likely.
  • Polyester films such as e.g. Polyethylene terephthalate films.
  • this can additionally be provided with an adhesive primer and / or have been subjected to a pretreatment by corona discharge.
  • Coating composition for the intermediate layer 80 kg of ethanol 20 kg of commercially available non-crosslinking acrylic resin
  • the acrylic resin is completely dissolved in ethanol and applied to the PET film using a 0.3 mm wire squeegee. It is then dried at 160 ° C. for about 30 seconds, an application weight of about 2.5 g / m2 (dry) being achieved.
  • Coating composition 85 kg of water 15 kg polyvinyl pyrrolidone (PVP)
  • PVP polyvinyl pyrrolidone
  • the coating solution is applied to the first layer using a 0.8 mm wire knife and then dried at 160 ° C. for about 2 minutes. An application weight of this second layer of approx. 9 g / m2 is achieved.
  • a commercially available device for ink-jet printing is used to test the ink absorption in the inkjet process: an aqueous ink with a high proportion of alcohol recommended by the device manufacturer is used.
  • the ink applied during printing is smudge-proof after only 2 minutes and completely tack-free after less than 10 minutes.
  • the adhesion of the ink acceptance layer to the substrate was tested as follows: An approx. 30 cm long strip of plastic film with a layer of pressure sensitive adhesive is glued across the sample to be tested and pressed firmly along the entire length with the fingers. The film is then removed in one piece with a strong jerk at an angle of approximately 45 ° C. Adhesion is good if the layer remains completely or largely (max. Tears of 10% of the glued surface) on the carrier. It is unsatisfactory if it is removed completely or almost completely (over 90% tears).
  • a 100 ⁇ thick polyethylene terephthalate film is provided with the ink receiving layer in the same manner as described in Example 1, but the intermediate layer is omitted and the water-soluble binder-containing coating composition is immediately applied to the film. After drying of the coating, the product obtained is printed in the same way with the device used in Example 1. This shows that the time to smudge resistance is significantly longer and the areas printed with ink stick even after about 2 hours.
  • the layer adhesion was tested as in Example 1 on one non-imaged and two imaged samples. In all cases, liability was unsatisfactory.

Landscapes

  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
EP95112816A 1994-09-16 1995-08-16 Matériau d'enregistrement pour impression par jet d'encre avec caractéristiques améliorées pour des encres alcooliques Withdrawn EP0701903A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19944433077 DE4433077C1 (de) 1994-09-16 1994-09-16 Aufzeichnungsmaterial für Tintenstrahldruck
DE4433077 1994-09-16

Publications (1)

Publication Number Publication Date
EP0701903A1 true EP0701903A1 (fr) 1996-03-20

Family

ID=6528428

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95112816A Withdrawn EP0701903A1 (fr) 1994-09-16 1995-08-16 Matériau d'enregistrement pour impression par jet d'encre avec caractéristiques améliorées pour des encres alcooliques

Country Status (2)

Country Link
EP (1) EP0701903A1 (fr)
DE (1) DE4433077C1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3209109B2 (ja) * 1996-08-27 2001-09-17 王子製紙株式会社 インクジェット記録用シート
EP0925940B1 (fr) * 1997-12-26 2003-09-24 Ricoh Company, Ltd. Impression par jet d'encre utilisant une couche pour améliorer la viscosité
EP0974471B1 (fr) * 1998-07-23 2003-01-22 ILFORD Imaging Switzerland GmbH Matériaux d'enregistrement pour l'impression par jet d'encre

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0156532A2 (fr) * 1984-03-29 1985-10-02 Imperial Chemical Industries Plc Feuille imprimable
WO1987005265A1 (fr) * 1986-03-10 1987-09-11 Eastman Kodak Company Element d'enregistrement a sechage rapide pour tracages a l'encre liquide
WO1992007722A1 (fr) 1990-10-24 1992-05-14 Minnesota Mining And Manufacturing Company Revetement de reseaux interpenetrants hydrophiles
WO1993004869A1 (fr) 1991-08-30 1993-03-18 Eastman Kodak Company Elements transparents d'enregistrement a jet d'encre
EP0605840A2 (fr) * 1992-12-25 1994-07-13 Mitsubishi Paper Mills, Ltd. Feuille d'enregistrement à jet d'encre

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0156532A2 (fr) * 1984-03-29 1985-10-02 Imperial Chemical Industries Plc Feuille imprimable
WO1987005265A1 (fr) * 1986-03-10 1987-09-11 Eastman Kodak Company Element d'enregistrement a sechage rapide pour tracages a l'encre liquide
WO1992007722A1 (fr) 1990-10-24 1992-05-14 Minnesota Mining And Manufacturing Company Revetement de reseaux interpenetrants hydrophiles
WO1993004869A1 (fr) 1991-08-30 1993-03-18 Eastman Kodak Company Elements transparents d'enregistrement a jet d'encre
EP0605840A2 (fr) * 1992-12-25 1994-07-13 Mitsubishi Paper Mills, Ltd. Feuille d'enregistrement à jet d'encre

Also Published As

Publication number Publication date
DE4433077C1 (de) 1995-11-16

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