EP1106377B1 - Tintenstrahldruckverfahren - Google Patents

Tintenstrahldruckverfahren Download PDF

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Publication number
EP1106377B1
EP1106377B1 EP20000204111 EP00204111A EP1106377B1 EP 1106377 B1 EP1106377 B1 EP 1106377B1 EP 20000204111 EP20000204111 EP 20000204111 EP 00204111 A EP00204111 A EP 00204111A EP 1106377 B1 EP1106377 B1 EP 1106377B1
Authority
EP
European Patent Office
Prior art keywords
ink jet
organic
printing method
poly
jet printing
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.)
Expired - Lifetime
Application number
EP20000204111
Other languages
English (en)
French (fr)
Other versions
EP1106377A1 (de
Inventor
Sridhar c/o Eastman Kodak Company Sadasivan
Suresh c/o Eastman Kodak Company Sunderrajan
Michelle M. c/o Eastman Kodak Company Oakland
Patrick J. c/o Eastman Kodak Company Whittaker
Elwood C. c/o Eastman Kodak Company Samons
Craig Th. c/o Eastman Kodak Company Mollon
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak 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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of EP1106377A1 publication Critical patent/EP1106377A1/de
Application granted granted Critical
Publication of EP1106377B1 publication Critical patent/EP1106377B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B41M5/5218—Macromolecular coatings characterised by inorganic additives, e.g. pigments, clays
    • 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
    • B41M5/5245—Macromolecular coatings characterised by the use of polymers containing cationic or anionic groups, e.g. mordants
    • 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
    • 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
    • B41M5/5263—Macromolecular coatings characterised by the use of polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • B41M5/5281—Polyurethanes or polyureas

Definitions

  • This invention relates to an ink jet printing method. More particularly, this invention relates to an ink jet printing method that uses a recording element containing pigments.
  • ink droplets are ejected from a nozzle at high speed towards a recording element or medium to produce an image on the medium.
  • the ink droplets, or recording liquid generally comprise a recording agent, such as a dye or pigment, and a large amount of solvent.
  • the solvent, or carrier liquid typically is made up of water, an organic material such as a monohydric alcohol, a polyhydric alcohol or mixtures thereof.
  • An ink jet recording element typically comprises a support having on at least one surface thereof an ink-receiving or image-forming layer, and includes those intended for reflection viewing, which have an opaque support, and those intended for viewing by transmitted light, which have a transparent support.
  • an ink jet recording element must:
  • ink jet recording element that simultaneously provides an almost instantaneous ink dry time and good image quality is desirable.
  • these requirements of ink jet recording media are difficult to achieve simultaneously.
  • Ink jet recording elements are known that employ porous or non-porous single layer or multilayer coatings that act as suitable image receiving layers on one or both sides of a porous or non-porous support. Recording elements that use non-porous coatings typically have good image quality but exhibit poor ink dry time. Recording elements that use porous coatings typically have poorer image quality but exhibit superior dry times.
  • US-A-5,851,651 relates to an ink jet recording element comprising a paper substrate with a coating comprising inorganic pigments and an anionic, organic co-binder system.
  • the co-binder system consists of polyvinyl alcohol (PVOH) and polyvinylpyrrolidone (PVP) or a copolymer of polyvinylpyrrolidone-vinyl acetate (PVP-VA).
  • PVOH polyvinyl alcohol
  • PVP polyvinylpyrrolidone
  • PVP-VA copolymer of polyvinylpyrrolidone-vinyl acetate
  • JP-A-10 217601, US-A-5 908 723, EP-A-1 013 464 and WO-00 02736 relate to ink jet recording elements using various binders and pigments.
  • German Patent DE 19,534,327A1 relates to an ink jet recording element which contains a recording layer comprising an inorganic, cationic pigment and a cationic organic binder.
  • this recording layer also has less than desirable image quality, as measured by optical density, image bleed, and waterfastness.
  • the ink jet recording element produced by the method of the invention provides good gloss, good image quality and fast ink dry times.
  • the inorganic, anionic pigment useful in the recording element employed in the process of the invention may be a kaolin clay, a calcined clay, titanium dioxide, talc or a silicate.
  • the inorganic, anionic pigment is a kaolin clay sold under the trade name Hydragloss® 92 (J.M.Huber Company).
  • the amount of inorganic, anionic pigment used is in the range from 50% to 95% of the image-receiving layer.
  • the organic, anionic binder useful in the recording element employed in the process of the invention may be a styrene acrylic latex, a styrene butadiene latex, a poly(vinyl alcohol) or a poly(vinyl acetate).
  • a commercially-available styrene acrylic latex useful in the invention is Acronal ® S-728 (BASF Corp.).
  • a commercially-available styrene butadiene latex useful in the invention is Styronal ® BN 4606X (BASF Corp.).
  • a commercially-available poly(vinyl alcohol) useful in the invention is Airvol ® 21-205 (Air Products Inc.).
  • a commercially-available poly(vinyl acetate) useful in the invention is Vinac ® 884 (Air Products Inc.).
  • the organic, anionic binder is used in an amount of from 5% to 20% of the image-receiving layer.
  • the ratio of pigment to binder is from 5:1 to 8:1.
  • the organic, cationic mordant useful in the recording element employed in the process of the invention is a polymer latex dispersion.
  • mordants useful in the invention are disclosed in US-A-5,474,843.
  • Other useful mordants include cationic urethane dispersions sold under the trade name Witcobond® W-213 and Witcobond ®W-215 (Witco Corporation).
  • the organic, cationic mordant is:
  • the mordant polymer is present in an amount of from 1% to 75% by weight of the image-receiving layer, preferably from 10% to 20%.
  • binders Smaller quantities of up to 10 % of other binders may also be added to the image-receiving layer such as PVP sold as Luviskol ®VA 64W (BASF Corp.) or copolymer PVP-VA sold as Luviquat® PQ11PN (BASF Corp.).
  • PVP sold as Luviskol ®VA 64W (BASF Corp.) or copolymer PVP-VA sold as Luviquat® PQ11PN (BASF Corp.).
  • other additives such as pH-modifiers like nitric acid, cross-linkers, rheology modifiers, surfactants, UV-absorbers, biocides, lubricants, dyes, optical brighteners etc. may be added as needed.
  • the substrate may be porous such as paper or non-porous such as cellulose acetate or polyester films.
  • the surface of the substrate may be treated in order to improve the adhesion of the image-receiving layer to the support.
  • the surface may be corona discharge treated prior to applying the image-receiving layer to the support.
  • an under-coating or subbing layer such as a layer formed from a halogenated phenol or a partially hydrolyzed vinyl chloride-vinyl acetate copolymer, can be applied to the surface of the support.
  • the ink jet coating may be applied to one or both substrate surfaces through conventional pre-metered or post-metered coating methods such as blade, air knife, rod, roll coating, etc.
  • the choice of coating process would be determined from the economics of the operation and in turn, would determine the formulation specifications such as coating solids, coating viscosity, and coating speed.
  • the coating formulation would have a coating solids of 40-60% and a low shear 10.5 s-1 (100 rpm Brookfield) viscosity of 500-2000 mPa.s (500-2000 centiPoise).
  • the image-receiving layer thickness may range from 5 to 60 ⁇ m, preferably from 20 to 40 ⁇ m.
  • the coating thickness required is determined through the need for the coating to act as a sump for absorption of ink solvent and the need to hold the ink near the coating surface.
  • the coating may be applied in a single layer or in multiple layers so the functionality of each coating layer may be specified; for example, a two-layer structure can be created wherein the base coat functions as a sump for absorption of ink solvent while the top coat holds the ink.
  • the ink jet recording element may be subject to calendering or supercalendering to enhance surface smoothness.
  • the ink jet recording element is subject to hot, soft-nip calendering at a temperature of 65°C and pressure of 14000 kg/m at a speed of from 0.15 m/s to 0.3 m/s.
  • the substrate used in the ink jet recording element employed in the process of the invention may be opaque, translucent, or transparent.
  • the thickness of the substrate employed in the invention can be from 12 to 500 ⁇ m, preferably from 75 to 300 ⁇ m.
  • the ink jet inks used to image the recording elements employed in the process of the invention are well-known in the art.
  • the ink compositions used in ink jet printing typically are liquid compositions comprising a solvent or carrier liquid, dyes or pigments, humectants, organic solvents, detergents, thickeners, preservatives, and the like.
  • the solvent or carrier liquid can be solely water or can be water mixed with other water-miscible solvents such as polyhydric alcohols.
  • Inks in which organic materials such as polyhydric alcohols are the predominant carrier or solvent liquid may also be used. Particularly useful are mixed solvents of water and polyhydric alcohols.
  • the dyes used in such compositions are typically water-soluble direct or acid type dyes.
  • Such liquid compositions have been described extensively in the prior art including, for example, US-A-4,381,946; US-A-4,239,543 and US-A-4,781,758.
  • Coating formulations were prepared as follows (in dry grams): Constituent Control Coating 1 Control Coating 2 Coating 1 Kaolin clay (Hydragloss ® 92) as a dry powder 100 100 100 Mordant M3 as a 15% solids dispersion -- -- 30 PVP (Luviskol® 64W) as a 50% solids solution -- 10 -- Styrene acrylic latex (Acronal ®S728) as a 50% solids dispersion 10 10 10 Nitric Acid (1N) -- -- 1.0
  • the above kaolin clay and styrene acrylic latex are both predominantly anionic.
  • the mordant polymer M3 is cationic.
  • the coating formulation thus comprises a mixture of anionic and cationic materials. To achieve a stable formulation, it is necessary to minimize the anionic charge keeping the cationic charge constant. This is achieved by adjusting the pH of the kaolin clay and styrene acrylic latex using nitric acid.
  • the kaolin clay and styrene acrylic latex are added to the cationic Mordant M3 and then the pH is adjusted.
  • Control Elements 1 and 2 and Element 1 Each coating was applied onto a paper base using a wire wound Meyer rod of wire diameter 0.51 ⁇ m with a wet laydown thickness of 40 ⁇ m to form Control Elements 1 and 2 and Element 1.
  • the base paper used was Nekoosa Solutions Smooth® (Georgia Pacific Co.), Grade 5128 (Carrara White ®, Color 9220), basis weight 150 g/m 2 .
  • the elements were air-dried.
  • the Element 1 was then subjected to hot, soft-nip calendering at a temperature of 65°C and pressure of 14,000 kg/m at a speed of 0.3 m/s.
  • Samples from each of the elements above were printed on a Hewlett Packard Photosmart ® printer with printer settings at "photoglossy paper, best" and subsequently tested for dry time and optical density of the composite black stripe.
  • the inks used were Hewlett Packard Photosmart ® inks.
  • Dry time defined as the time after printing at which no ink retransfer from the printed element to a blotting sheet is observed, was measured using a blotting technique.
  • One sample per element was subjected to the dry time test.
  • a striped target was printed comprising 100% coverage of yellow, cyan, and magenta, 200% coverage for red, green, and blue, and 300% coverage for black in areas of 1 cm by 23 cm.
  • the sample was placed on a foam base, a piece of copy paper placed on top of the sample, and a weighted smooth rod was rolled over the paper. The copy sheet was then taken off the sample and studied for retransfer.
  • the results in Table 1 are given as ratings from 1-5, where 1 corresponds to no transfer (fast dry time) to the copy paper, while 5 corresponds to complete transfer (the whole stripe is visible on the copy paper).
  • Optical density of the printed recording elements was measured using a X-Rite ® model 820 transmission/reflection densitometer with status A filtration. The black stripe on the target was tested. The results are the average of three measurements.
  • Waterfastness defined as the loss in image optical density after prolonged submersion in water, was measured using a soak test.
  • the ink jet recording elements of Example 1 were soaked in distilled water for five minutes with mild agitation.. The elements were then allowed to dry on a bench-top overnight. The optical density was measured before and after immersion and the % change in density of each color stripe was recorded. The following results were obtained: Waterfastness Element % Change in Cyan Density % Change in Magenta Density % Change in Yellow Density % Change in Black Density Control 1 -65 -55 -68 -58 Control 2 -58 -47 -62 -51 Coating 1 -3 2 3 -10

Landscapes

  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Ink Jet (AREA)

Claims (7)

  1. Tintenstrahldruckverfahren mit folgenden Schritten:
    a) Bereitstellen eines Tintenstrahldruckers, der auf digitale Datensignale anspricht;
    b) Laden des Druckers mit einem Tintenstrahlaufzeichnungselement, das ein Substrat umfasst, auf dem eine Bildempfangsschicht angeordnet ist, die ein anorganisches, anionisches Pigment, ein organisches, anionisches Bindemittel und ein organisches, kationisches Beizmittel, das eine Polymerlatexdispersion ist, umfasst;
    wobei das anorganische, anionische Pigment in einer Menge von 50 bis 95 Gew.-% der Bildempfangsschicht vorhanden ist;
    das organische, anionische Bindemittel in einer Menge von 5 bis 20 Gew.-% der Bildempfangsschicht vorhanden ist, und das Verhältnis von Pigment zu Bindemittel 5:1 bis 8:1 beträgt, und
    das organische, kationische Beizmittel in einer Menge von 1 bis 75 Gew.-% der Bildempfangsschicht vorhanden ist;
    c) Laden des Druckers mit einer Tintenstrahltintenzusammensetzung; und
    d) Bedrucken des Aufzeichnungselements mit der Tintenstrahltinte in Abhängigkeit von den digitalen Datensignalen.
  2. Tintenstrahldruckverfahren nach Anspruch 1, worin das anorganische, anionische Pigment ein Kaolinton, ein calcinierter Ton, Titandioxid, Talkum oder ein Silicat ist.
  3. Tintenstrahldruckverfahren nach Anspruch 1, worin das anorganische, anionische Pigment ein Kaolinton ist.
  4. Tintenstrahldruckverfahren nach Anspruch 1, worin das organische, anionische Bindemittel ein Styrolacryllatex, ein Styrolbutadienlatex, ein Poly(vinylalkohol) oder ein Poly(vinylacetat) ist.
  5. Tintenstrahldruckverfahren nach Anspruch 1, worin das organische, anionische Bindemittel ein Styrolacryllatex ist.
  6. Tintenstrahldruckverfahren nach Anspruch 1, worin das organische, kationische Beizmittel Poly(N-Vinylbenzyl-N-Benzyl-N,N-Dimethylammoniumchlorid-Co-Styrol-Co-Divinylbenzen); Poly(N-Vinylbenzyl-N,N,N-Trimethylammoniumchlorid-Co-Ethylenglycoldimethacrylat); oder Poly(N-Vinylbenzyl-N,N,N-Trimethylammoniumchlorid-Co-Divinylbenzen) ist.
  7. Tintenstrahldruckverfahren nach Anspruch 1, worin das organische, kationische Beizmittel Poly(N-Vinylbenzyl-N,N,N-Trimethylammoniumchlorid-Co-Divinylbenzen) ist.
EP20000204111 1999-12-01 2000-11-20 Tintenstrahldruckverfahren Expired - Lifetime EP1106377B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45239699A 1999-12-01 1999-12-01
US452396 1999-12-01

Publications (2)

Publication Number Publication Date
EP1106377A1 EP1106377A1 (de) 2001-06-13
EP1106377B1 true EP1106377B1 (de) 2003-09-24

Family

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EP20000204111 Expired - Lifetime EP1106377B1 (de) 1999-12-01 2000-11-20 Tintenstrahldruckverfahren

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EP (1) EP1106377B1 (de)
JP (1) JP2001199159A (de)
DE (1) DE60005465T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10369828B2 (en) * 2006-04-06 2019-08-06 Hewlett-Packard Development Company, L.P. Glossy media sheet

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4059356B2 (ja) * 1997-02-06 2008-03-12 コニカミノルタホールディングス株式会社 インクジェット記録用紙及びインクジェット記録方法
US5908723A (en) * 1997-05-07 1999-06-01 Xerox Corporation Recording sheets
PL206929B1 (pl) * 1998-07-09 2010-10-29 Grace W R & Co Kompozycja powlekająca i nośnik rejestrujący
US6110585A (en) * 1998-12-22 2000-08-29 Eastman Kodak Company Ink jet recording element

Also Published As

Publication number Publication date
JP2001199159A (ja) 2001-07-24
DE60005465T2 (de) 2004-07-01
DE60005465D1 (de) 2003-10-30
EP1106377A1 (de) 2001-06-13

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