EP1211087B1 - Verbessertes Tintenstrahlaufzeichnungselement - Google Patents

Verbessertes Tintenstrahlaufzeichnungselement Download PDF

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Publication number
EP1211087B1
EP1211087B1 EP20010000605 EP01000605A EP1211087B1 EP 1211087 B1 EP1211087 B1 EP 1211087B1 EP 20010000605 EP20010000605 EP 20010000605 EP 01000605 A EP01000605 A EP 01000605A EP 1211087 B1 EP1211087 B1 EP 1211087B1
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EP
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Prior art keywords
ink jet
jet recording
recording element
element according
ink
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English (en)
French (fr)
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EP1211087A1 (de
Inventor
Dirk c/o AGFA-GEVAERT Quintens
Hubertus c/o AGFA-GEVAERT Van Aert
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Agfa Gevaert NV
Agfa Gevaert AG
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Agfa Gevaert NV
Agfa Gevaert AG
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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
    • B41M5/50—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
    • B41M5/529—Macromolecular coatings characterised by the use of fluorine- or silicon-containing organic compounds

Definitions

  • the present invention relates to an improved recording element for ink jet printing.
  • ink jet printing has become a popular technique because of its simplicity, convenience and low cost. Especially in those instances where a limited edition of the printed matter is needed ink jet printing has become a technology of choice.
  • a recent survey on progress and trends in ink jet printing technology is given by Hue P. Le in Journal of Imaging Science and Technology Vol. 42 (1), Jan/Febr 1998.
  • ink jet printing tiny drops of ink fluid are projected directly onto an ink receptor surface without physical contact between the printing device and the receptor.
  • the printing device stores the printing data electronically and controls a mechanism for ejecting the drops image-wise. Printing is accomplished by moving the print head across the paper or vice versa.
  • Early patents on ink jet printers include US 3,739,393, US 3,805,273 and US 3,891,121.
  • the jetting of the ink droplets can be performed in several different ways.
  • a continuous droplet stream is created by applying a pressure wave pattern. This process is known as continuous ink jet printing.
  • the droplet stream is divided into droplets that are electrostatically charged, deflected and recollected, and into droplets that remain uncharged, continue their way undeflected, and form the image.
  • the charged deflected stream forms the image and the uncharged undeflected jet is recollected.
  • several jets are deflected to a different degree and thus record the image (multideflection system).
  • the ink droplets can be created “on demand” (“DOD” or “drop on demand” method) whereby the printing device ejects the droplets only when they are used in imaging on a receiver thereby avoiding the complexity of drop charging, deflection hardware, and ink recollection.
  • DOD on demand
  • the ink droplet can be formed by means of a pressure wave created by a mechanical motion of a piezoelectric transducer (so-called “piezo method”), or by means of discrete thermal pushes (so-called “bubble jet” method, or “thermal jet” method).
  • Ink compositions for ink jet typically include following ingredients : dyes or pigments, water and/or organic solvents, humectants such as glycols, detergents, thickeners, polymeric binders, preservatives, etc.. It will be readily understood that the optimal composition of such an ink is dependent on the ink jetting method used and on the nature of the substrate to be printed.
  • the ink compositions can be roughly divided in :
  • Pigments and particles have also been described in patent applications including DE 2,925,769, GB 2,050,866, US-P 4,474,850, US-P 4,547,405, US-P 4,578,285, WO 88 06532, US-P 4,849,286, EP 339604, EP 400681, EP 407881, EP 411638 and US-P 5,045,864 (non-exhaustive list).
  • binders of which the most common types such as gelatin, polyvinyl alcohol, polyvinyl pyrrolidone, and various types of cellulose derivatives. These conventional binders are mentioned in numerous patent documents.
  • coating compositions comprising an aqueous synthetic polymer latex and pigment, and which may contain other additives used in the art of pigmented paper coating are disclosed.
  • the latex comprises a dispersed interpolymer of a vinyl ester, a polyethylenically unsaturated comonomer and a ethylenically unsaturated mono- or dicarboxylic acid and optionally an alkyl acrylate.
  • the coating compositions are directed to high strength pigment binders for paper coating having increased water retention and stability.
  • WO 92 01836 A discloses the use in paper coating of an aqueous copolymer emulsion having a solids content from about 20% to about 70% by weight and comprising i) from about 60%, preferably from about 70%, to about 99% by weight of a vinyl C1 to C4 alkanoate, and ii) from about 1% to about 40% by weight, preferably from about 5% to about 25% by weight, of vinyl esters having the general formula R1R2R3 CCO0CHCH2 wherein R1,R2 and R3 are each alkyl groups having at least one carbon atom and R1+R2+R3 is from 3 to 9.
  • This product has good rheology and dry pick strength and enhanced wet pick strength which is attributable to the presence of vinyl ester (ii) monomers.
  • EP-A-0 140 227 discloses high strength pigment binders for paper coating having increased water retention and stability.
  • the coating compositions comprise an aqueous synthetic polymer latex and and pigment and may contain other additives used in the art of pigmented paper coating.
  • the latex comprises a vinyl ester, an organofunctional silane, carboxyl and/or amide functionality and optionally ethylene and/or other polymerizable comonomers.
  • the coatable ink-receptive compositions described in US-A-6,153,288 contain a pigment dispersed in a binder composed of an ethylene vinyl acetate emulsion polymer and at least one water soluble, cationic polymer, such as polydiallyldimethylammonium chloride and copolymers of a quaternary amino acrylate or methacrylate and a hydroxy-lower alkyl acrylate or methacrylate.
  • a binder composed of an ethylene vinyl acetate emulsion polymer and at least one water soluble, cationic polymer, such as polydiallyldimethylammonium chloride and copolymers of a quaternary amino acrylate or methacrylate and a hydroxy-lower alkyl acrylate or methacrylate.
  • EP-A-0 365 307 discloses a hydrophilic, polymeric blend which provides improved durability and reduced curl when used as an image-receptive layer on graphic arts films.
  • the blend comprises at least one water-absorbing, hydrophilic polymeric material, at least one hydrophobic polymeric material having acid functionality, and at least one polyethylene glycol.
  • the layer formed from the blend provides high sorption capacity combined with good physical integrity even when wet, along with dimensional stability.
  • the present invention is particularly directed to an improved recording material for outdoor use, such as billboards, banners, signs and advertisement pannels, it will be readily understood that the so-called weatherability characteristics of such a material are of prior importance. These necessary characteristics include excellent water-fastness, light-fastness, and resistance to high and low temperature.
  • the present invention extends the teachings on ink jet recording materials and is particularly directed to to an improved material for outdoor use.
  • an ink jet recording element comprising a support and a receiving layer comprising a pigment, an optional binder and a film-forming polymer latex, which is a homopolymer or copolymer containing repeating units derived from the following monomer (formula I): wherein,
  • said monomer according to formula (I) is a vinyl ester monomer according to formula II below :
  • said monomer according to formula (I) is an acrylic monomer represented by formula (III) below wherein,
  • the monomer is a vinyl ester monomer (formula II) it is most preferably a vinyl versatate.
  • the ink receiving layer apart from the pigment and the optional binder, contains a film-forming (co)polymeric latex comprising repeating units derived from the monomer class of formula (I) defined above.
  • Particularly suited monomers according to formula (II) for incorporation in the (co)polymer are so-called vinyl versatic acid ester monomers (or vinyl versatates).
  • Versatic acids are highly branched C 9 - C 11 aliphatic carboxylic esters (Römpps Chemie-Lexikon, 7 e edition, p. 3803).
  • Craynor 152 can be prepared as shown in the scheme below:
  • the film-forming latex can be a homopolymer completely built up from the monomer of formula (I) as decribed. More preferably, it can be a copolymer incorporating repeating units derived from other monomers beside the monomer of formula (I). In a particularly preferred embodiment the copolymer contains stuctural units derived from ethylene and/or vinyl acetate monomers, beside the vinyl ester monomers. The ratio of the different monomers must be chosen so that the resulting polymer latex is film-forming under normal conditions of coating, drying and storage of the ink receiving layer.
  • Useful commercially available copolymers include following compounds :
  • the receiving layer contains a pigment and optionally a binder.
  • the pigment present in the ink receiving layer may be chosen from organic material such as polystyrene, polymethylmethacrylate, silicones, urea-formaldehyde condensation polymers, polyesters and polyamides.
  • organic material such as polystyrene, polymethylmethacrylate, silicones, urea-formaldehyde condensation polymers, polyesters and polyamides.
  • it is an inorganic porous pigment, such as silica, talc, clay, koalin, diatomaceous earth, calcium carbonate, magnesium carbonate, aluminium hydroxide, aluminium oxide, titanium oxide, zinc oxide, barium sulfate, calcium sulfate, zinc sulfide, satin white, boehmite and pseudo-boehmite.
  • the preferred pigment is a silica type, more particularly an amorphous silica having a average particle size ranging from 1 ⁇ m to 15 ⁇ m, most preferably from 2 to 10 ⁇ m.
  • the use of non-colloidal silica types in ink jet receiver formulations is known for long time, e.g. from old references such as JP-A 55-051583, JP-A 56-000157, US-P 4,474,850 and DE 3410828.
  • the silica is preferably present in the receiving layer in an amount ranging from 5 g/m 2 to 30 g/m 2 .
  • a finer silica type or a colloidal silica type may also be present.
  • a binder When a binder is present it can be chosen from a list of compounds well-known in the art including hydroxyethyl cellulose; hydroxypropyl cellulose; hydroxyethylmethyl cellulose; hydroxypropyl methyl cellulose; hydroxybutylmethyl cellulose; methyl cellulose; sodium carboxymethyl cellulose; sodium carboxymethylhydroxethyl cellulose; water soluble ethylhydroxyethyl cellulose; cellulose sulfate; polyvinyl alcohol; vinylalcohol copolymers; polyvinyl acetate; polyvinylacetal; polyvinyl pyrrolidone; polyacrylamide; acrylamide/acrylic acid copolymer; styrene/acrylic acid copolymer; ethylene-vinylacetate copolymer; vinylmethyl ether/maleic acid copolymer; poly(2-acrylamido-2-methyl propane sulfonic acid); poly(diethylene triamine-co-adipic acid); poly
  • a preferred binder for the practice of the present invention is polyvinyl alcohol (PVA).
  • PVA polyvinyl alcohol
  • This PVA can be partially silanol modifided as it is the case with the Poval R polymer series, trade name of Kuraray Co., Japan.
  • weight ratio is preferably lower than 50 weigth % vis-à-vis the total coating weight of the layer.
  • the total dry coating weight of the receiving layer is preferably comprised between 10 and 40 g/m 2 .
  • a cationic substance acting as mordant may be present in the ink receiving layer.
  • Such substances increase the capacity of the layer for fixing and holding the dye of the ink droplets.
  • a particularly suited compound is a poly(diallyldimethylammonium chloride) or, in short, a poly(dadmac). These compounds are commercially available from several companies, e.g. Aldrich, Nalco, Clariant, BASF, EKA Chemicals, and Nippon Goshei.
  • a preferred type is GOHSEFIMER K210, trade name of Nippon Goshei Co..
  • dadmac copolymers such as copolymers with acrylamide; dimethylamine-epichlorohydrine copolymers,
  • CYPRO 514/515/516, SUPERFLOC 507/521/567 cationic cellulose derivatives such as CELQUAT L-200, H-100, SC-240C, SC-230M, trade names of Starch & Chemical Co., and QUATRISOFT LM200, UCARE polymers JR125, JR400, LR400, JR30M, LR30M and UCARE polymer LK; fixing agents from Chukyo Europe: PALSET JK-512, PALSET JK512L, PALSET JK-182, PALSET JK-220, WSC-173, WSC-173L, PALSET JK-320, PALSET JK-320L and PALSET JK-350; polyethyleneimine and copolymers, e.g.
  • LUVIQUAT CARE, LUVITEC 73W, LUVITEC VP155 K18P, LUVITEC VP155 K72W, LUVIQUAT FC905, LUVIQUAT FC550, LUVIQUAT HM522, and SOKALAN HP56 all trade names of BASF AG; polyamidoamines, e.g. RETAMINOL and NADAVIN, trade marks of Bayer AG; and phosphonium compounds such as disclosed in EP 609930.
  • Still other cationic compounds include gelatin when the layer pH is below the isoelectric point of the gelatin, cationic aluminum oxide, boehmite, and poly(aluminumhydroxychloride) such as SYLOJET A200, trade name of Grace Co..
  • Still further cationic polymers include polyvinylamines, e.g. PVAM-0595B from Esprit Co., and cationic modified acrylics, e.g. ACRIT RKW319SX, trade name of Tasei Chemical Industries, and RD134 from Goo Chemical.
  • the cationic substance is not incorporated in the ink receiving layer itself but in a separate thin top layer.
  • this layer is coated from an aqueous medium. Its dry coverage is preferably comprised between 0.5 and 5 g/m 2 .
  • the cationic mordant can also be distributed between the ink receiving bulk layer and the extra thin top layer.
  • an extra adhesive layer may be applied between the support and the ink receiving layer (undercoat layer).
  • This layer is then coated from an aqueous medium containing any of the numerous known adhesive polymers.
  • Preferred adhesive polymers include styrene-butadiene latex, acrylate latices, such as ethylacrylatehydroxyethylmethacrylate, poly(ethylene-vinylacetate), polyvinylesters, copolyesters, and polyurethanes.
  • the dry coating weight of this undercoat layer when present is preferably comprised between 0.5 and 10 g/m 2 .
  • the ink receiving layer and the optional top- and undercoat layers may further contain well-known conventional ingredi ⁇ nts, such as surfactants serving as coating aids, hardening agents plasticizers, whitening agents and matting agents.
  • Surfactants may be incorporated in the ink-receiving layer of the present invention. They can be any of the cationic, anionic, amphoteric, and non-ionic ones as described in JP-A 62-280068 (1987).
  • the surfactants are N-alkylamino acid salts, alkylether carboxylic acid salts, acylated peptides, alkylsulfonic acid salts, alkylbenzene and alkylnaphthalene sulfonic acid salts, sulfosuccinic acid salts, ⁇ -olefin sulfonic acid salts, N-acylsulfonic acid salts, sulfonated oils, alkylsulfonic acid salts, alkylether sulfonic acid salts, alkylallylethersulfonic acid salts, alkylamidesulfonic acid salts, alkylphosphoric acid salts, alkyletherphosphoric acid salts, alkyl
  • Useful cationic surfactants include N-alkyl dimethyl ammonium chloride, palmityl trimethyl ammonium chloride, dodecyldimethylamine, tetradecyldimethylamine, ethoxylated alkyl guanidine-amine complex, oleamine hydroxypropyl bistrimonium chloride, oleyl imidazoline, stearyl imidazoline, cocamine acetate, palmitamine, dihydroxyethylcocamine, cocotrimonium chloride, alkyl polyglycolether ammonium sulphate, ethoxylated oleamine, lauryl pyridinium chloride, N-oleyl-1,3-diaminopropane, stearamidopropyl dimethylamine lactate, coconut fatty amide, oleyl hydroxyethyl imidazoline, isostearyl ethylimidonium ethosulphate, lauramidopropyl PEG-d
  • These surfactants are commercially available from DuPont and 3M.
  • the concentration of the surfactant component in the ink-receiving layer is typically in the range of 0.1 to 2 %, preferably in the range of 0.4 to 1.5 % and is most preferably 0.75 % by weight based on the total dry weight of the layer.
  • the ink-receiving layer according to this invention may be crosslinked to provide such desired features as waterfastness and non-blocking characteristics.
  • the crosslinking is also useful in providing abrasion resistance and resistance to the formation of fingerprints on the element as a result of handling.
  • crosslinking agents also known as hardening agents - that will function to crosslink film forming materials. Hardening agents can be used individually or in combination and in free or in blocked form.
  • a great many hardeners, useful for the present invention are known, including formaldehyde and free dialdehydes, such as succinaldehyde and glutaraldehyde, blocked dialdehydes, active esters, sulfonate esters, active halogen compounds, isocyanate or blocked isocyanates, polyfunctional isocyanates, melamine derivatives, s-triazines and diazines, epoxides, active olefins having two or more active bonds, carbodiimides, isoxazolium salts subsituted in the 3-position, esters of 2-alkoxy-N-carboxy-dihydroquinoline, N-carbamoylpyridinium salts, hardeners of mixed function, such as halogen-substituted aldehyde acids (e.g.
  • mucochloric and mucobromic acids onium substituted acroleins and vinyl sulfones and polymeric hardeners, such: as dialdehyde starches and copoly(acroleinmethacrylic acid), and oxazoline functional polymers, e.g. EPOCROS WS-500, and EPOCROS K-1000 series.
  • the ink-receiving layer of the invention may contain a whitening agent.
  • TiO 2 rutile or anatase
  • the ink-receiving layer of the invention may contain a whitening agent.
  • the ink-receiving layer of the present invention may also comprise a plasticizer such as ethylene glycol, diethylene glycol, propylene glycol, polyethylene glycol, glycerol monomethylether, glycerol monochlorohydrin, ethylene carbonate, propylene carbonate, tetrachlorophthalic anhydride, tetrabromophthalicanhydride, urea phosphate, triphenylphosphate, glycerolmonostearate, propylene glycol monostearate, tetramethylene sulfone, n-methyl-2-pyrrolidone, n-vinyl-2-pyrrolidone.
  • a plasticizer such as ethylene glycol, diethylene glycol, propylene glycol, polyethylene glycol, glycerol monomethylether, glycerol monochlorohydrin, ethylene carbonate, propylene carbonate, tetrachlorophthalic anhydride, tetrabromo
  • the ink receiving layer and the optional supplementary layers can be coated onto the support by any conventional coating technique, such as dip coating, knife coating, extrusion coating, spin coating, slide hopper coating and curtain coating.
  • the support for use in the present invention can be chosen from polyethylene coated paper, polypropylene coated and polymeric type support well-known from photographic technology.
  • Polymeric type supports include cellulose acetate propionate or cellulose acetate butyrate, polyesters such as polyethylene terephthalate (PET) and polyethylene naphthalate, polyamides, polycarbonates, polyimides, polyolefins, poly(vinylacetals), polyethers and polysulfonamides.
  • PET polyethylene terephthalate
  • Other examples of useful high-quality polymeric supports for the present invention include opaque white polyesters and extrusion blends of polyethylene terephthalate and polypropylene. Polyester film supports, and especially polyethylene terephthalate, are preferred because of their excellent properties of dimensional stability.
  • Typical supports for outdoor use include PET, wet strength paper, PVC, PVC with an adhesive backing, the polyethylene paper TYVEK, trade name of Du Pont Co., the porous polyethylene paper TESLIN, trade name of International Paper CO., canvas, polypropylene, and polycarbonate.
  • a 1 litre dispersion was prepared containing 220 g of a commercially available silica (average particle size 6.5 ⁇ m), 330 g of a polyvinyl alcohol type (POVAL R3109 of Kuraray Co.), and 113 g of CAT FLOC 71259 (formerly Cat Floc T2), a 40 % poly(diallyldimethylammonium chloride) aqueous solution, trade name of Nalco Italiana S.r.l. To 843 ml of this dispersion different copolymer latices were added thus constituting different samples according to table 1 hereinafter.
  • the obtained media samples were printed with an ENCAD PRO42 printer, trade mark of Encad Co., using pigments inks (GO, trade mark of Encad Co.), or with a Agfajet Sherpa 43 printer, trade name of Agfa-Gevaert N.V., using also pigment inks.
  • the polymer No. corresponds to the sample No. of table 1.
  • Polymer No. ml added to 1 l. of the coating solution Water fastness with GO inks on Encad Water fastness with pigment inks on Sherpa 1 comp. 110 A A 1 comp. 100 A A 1 comp. 91.6 A A 2 comp. 91 A A 3 comp. 99.5 B B 3 comp. 90.4 B B 3 comp. 89.2 B B 4 inv. 110 C C 4 inv. 100 C C 4 inv. 91.6 C C 5 inv. 93.5 C C 6 inv. 90.9 C C 7 inv. 100 C C C

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Ink Jet (AREA)

Claims (17)

  1. Ein Tintenstrahl-Aufzeichnungselement, das einen Träger und eine ein Pigment und einen filmbildenden polymeren Latex enthaltende Empfangsschicht enthält, wobei der Latex ein Homopolymer oder Copolymer mit vom Monomer der folgenden Formel (I) abgeleiteten Struktureinheiten ist :
    Figure 00220001
    in der bedeuten :
    X eine ungesättigte polymerisierbare Einheit,
    R1 und R2 unabhängig voneinander jeweils ein Wasserstoffatom, eine Alkylgruppe oder eine Arylgruppe, und
    R3 eine Alkylgruppe oder eine Arylgruppe.
    dadurch gekennzeichnet, dass der Träger ein polyethylenbeschichtetes Papier, ein polypropylenbeschichtetes Papier oder ein polymerer Träger ist.
  2. Tintenstrahl-Aufzeichnungselement nach Anspruch 1, dadurch gekennzeichnet, dass die ungesättigte polymerisierbare Einheit X CH2=CH- ist, wie in der nachstehenden allgemeinen Monomerstruktur (II) dargestellt :
    Figure 00220002
  3. Tintenstrahl-Aufzeichnungselement nach Anspruch 1, dadurch gekennzeichnet, dass die ungesättigte polymerisierbare Einheit X folgender Formel entspricht :
    Figure 00230001
    in der R4 ein Wasserstoffatom oder eine Methylgruppe bedeutet, wie in der nachstehenden allgemeinen Monomerstruktur (III) dargestellt :
    Figure 00230002
  4. Tintenstrahl-Aufzeichnungselement nach Anspruch 2, dadurch gekennzeichnet, dass R3 CH3 und R1 und R2 zusammen C7H15 bedeuten.
  5. Tintenstrahl-Aufzeichnungselement nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass R3 CH3 und R1 und R2 zusammen C8H17 bedeuten.
  6. Tintenstrahl-Aufzeichnungselement nach Anspruch 2, dadurch gekennzeichnet, dass R3 CH3 und R1 und R2 zusammen C9H19 bedeuten.
  7. Tintenstrahl-Aufzeichnungselement nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der Polymerlatex ein Copolymer ist, das ferner von Ethylen- und/oder Vinylacetatmonomeren abgeleitete Struktureinheiten enthält.
  8. Tintenstrahl-Aufzeichnungselement nach Anspruch 7, dadurch gekennzeichnet, dass das Copolymer ein Copolymer aus Ethylen, Vinylacetat und Vinylversatat ist.
  9. Tintenstrahl-Aufzeichnungselement nach Anspruch 7, dadurch gekennzeichnet, dass das Copolymer ein Copolymer aus Vinylacetat und Vinylversatat ist.
  10. Tintenstrahl-Aufzeichnungselement nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass das Pigment ein anorganisches Pigment ist.
  11. Tintenstrahl-Aufzeichnungselement nach Anspruch 10, dadurch gekennzeichnet, dass das Pigment Kieselsäure ist.
  12. Tintenstrahl-Aufzeichnungselement nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass die tintenaufnehmende Schicht ferner ein Bindemittel enthält.
  13. Tintenstrahl-Aufzeichnungselement nach Anspruch 12, dadurch gekennzeichnet, dass das Bindemittel Polyvinylalkohol ist.
  14. Tintenstrahl-Aufzeichnungselement nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass die tintenaufnehmende Schicht ferner ein kationisches Beizmittel enthält.
  15. Tintenstrahl-Aufzeichnungselement nach Anspruch 14, dadurch gekennzeichnet, dass das kationische Beizmittel Poly(diallyldimethylammoniumchlorid) ist.
  16. Tintenstrahl-Aufzeichnungselement nach einem der Ansprüche 1 bis 15, das ferner eine zusätzliche, ein kationisches Beizmittel enthaltende Deckschicht enthält.
  17. Tintenstrahl-Aufzeichnungselement nach Anspruch 16, dadurch gekennzeichnet, dass das kationische Beizmittel in der zusätzlichen Deckschicht Poly(diallyldimethylammoniumchlorid) ist.
EP20010000605 2000-11-30 2001-11-08 Verbessertes Tintenstrahlaufzeichnungselement Expired - Lifetime EP1211087B1 (de)

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US4395499A (en) * 1982-09-13 1983-07-26 National Starch And Chemical Corporation High strength pigment binders for paper coatings containing carboxylated vinyl ester alkyl acrylic interpolymers
JPS59223396A (ja) * 1983-05-30 1984-12-15 住友化学工業株式会社 紙用塗工組成物
EP0140227B1 (de) * 1983-10-19 1987-04-08 National Starch and Chemical Corporation Hochgradige Pigmentbindemittel für Papierbeschichtungszusammensetzungen
US4935307A (en) * 1988-10-21 1990-06-19 Minnesota Mining And Manufacturing Company Transparent coatings for graphics applications
GB9015844D0 (en) * 1990-07-19 1990-09-05 Unilever Plc Emulsion polymerisation
US6153288A (en) * 1997-07-24 2000-11-28 Avery Dennison Corporation Ink-receptive compositions and coated products

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