Abstract: A recording medium includes a base and an ink-receiving layer. The ink-receiving layer includes inorganic particles, a binder, poly(diallyldimethylamine hydrochloride), a cationic polymer having a sulfonyl group, and a polyvalent metal.

Abstract: A recording medium includes a base, a second ink-receiving layer, and a first ink-receiving layer in this order. The first ink-receiving layer contains gas-phase method silica, a binder, a cationic polymer having a sulfonyl group, and glycol. The second ink-receiving layer contains gas-phase method silica and a binder and (1) does not contain any cationic polymer having a sulfonyl group or (2) contains a cationic polymer having a sulfonyl group in an amount not higher than 0.1 parts by mass based on 100 parts by mass of the gas-phase method silica.

Abstract: Exemplary embodiments provide an intermediate transfer member that can include a plurality of carbon nanotubes dispersed in an ultraviolet (UV) curable polymer in an amount to allow a bulk curing of the UV curable polymer and to provide the cured polymer an electrical resistivity and/or a mechanical modulus useful for electrostatographic devices and processes.

Abstract: A recording sheet for ink-jet printing includes a supporting substrate, at least one microporous ink-receptive coating overlying a front surface of said supporting substrate and at least one protective overcoating overlying said microporous coating. The protective overcoating includes at least one compound selected from the group consisting of polysaccharides and polyacrylamides, and fluoropolymer particles. The diameter of the fluoropolymer particles is between about 0.5 and 3 micrometers.

Abstract: A cationic polyurethane resin aqueous dispersion wherein a cationic polyurethane resin (B) including a structural unit (A) represented by the following general formula (I) is dispersed in aqueous medium, and the content of a cationic amino group of the structural unit (A) in the cationic polyurethane resin (B) is 0.005 to 1.5 equivalents/kg. (In the formula, R1 represents an alkylene group which may include an alicyclic structure, a residue of bivalent phenol or polyoxyalkylene group, R2 and R3 each independently represents an alkyl group which may include an alicyclic structure, and R4 represents a hydrogen atom or a residue of the quaternizing agent which is introduced by the quaternizing reaction, and X? represents an anionic counter ion.

Abstract: An inkjet recording medium having a substrate and, on or above the substrate, an ink-receiving layer is disclosed. The ink-receiving layer contains at least one type of inorganic fine particles, at least one water-soluble resin, and at least one ethylene oxide adduct of an acetylene glycol compound having an HLB value of 6 or less.

Abstract: An inkjet printing system, comprises an inkjet printer, an ink composition, and an inkjet recording media comprising a support, and coated on the support in order from the support, a porous base layer and a porous uppermost layer, each with particular limitations The inkjet recording media and printer system is manufacturable using low-cost materials in an efficient process requiring only a single coating and drying step and that gives images with excellent gloss, color density, and image quality.

Abstract: An inkjet printing system, comprises an inkjet printer, an ink composition, and an inkjet recording media comprising a support, and coated on the support in order from the support, a porous base layer, a porous intermediate layer, and a porous uppermost layer, each with particular limitations. The inkjet recording media and printer system is manufacturable using low-cost materials in an efficient process requiring only a single coating and drying step and that gives images with excellent gloss, color density and image quality.

Abstract: The present invention is drawn to a print medium and a method of preparing the same. The print medium can include a media substrate, a porous ink-absorbing layer coated on the media substrate, and a porous ink-receiving layer coated on the porous ink-absorbing layer. The porous ink-absorbing layer can include semi-metal oxide or metal oxide particulates and a first binder, and the porous ink-receiving layer can include organosilane-functionalized semi-metal oxide or metal oxide particulates and a second binder.

Abstract: A recording sheet for ink jet printing is described, which consists of a support having coated onto said support at least two ink-receiving layers, wherein the ink-receiving layer situated next to the support contains nanoporous silicon dioxide with a positively charged surface and at least one binder and the ink-receiving layer situated further away from the support contains nanocrystalline, nanoporous aluminium oxide or aluminium oxide/hydroxide and at least one binder and, optionally, nanoporous silicon dioxide with a positively charged surface.

Abstract: A print media for inkjet web-press printing includes a paper base and a porous surface treatment. The porous surface treatment layer includes an inorganic pigment; at least one water-soluble and/or water-dispersible polymeric carrier; and at least one fixer. The fixer is a metal salt. A method of making print media is also disclosed.

Abstract: At least one of an ink for inkjet printing and an inkjet recording material contains a compound represented by formula (A): wherein R1, R2 and R3 each represents an alkyl group, an aryl group or a heterocyclic group, and at least two of R1, R2 and R3 are mutually connected to form a cyclic structure; L represents a divalent connecting group; and at least one of R1, R2, R3 and L is a group having 8 or more carbon atoms.

Abstract: The present invention relates to a styrene-butadiene latex, a preparation method thereof and a coating liquid containing the same, more precisely a styrene-butadiene latex binder for ink-jet paper containing ethylenically unsaturated monomer by 0.1-1.5 weight parts with lowering surface negative charge density, a preparation method thereof and a coating liquid containing the same. The present invention provides a coating liquid for ink-jet paper having excellent price competitiveness and coating work-ability and at the same time reducing energy cost for drying process and thereby provides an ink-jet paper with excellent printing quality.

Abstract: The present invention relates to a sizing or coating composition that, when applied to paper substrate, creates a substrate having improved waterfastness, surface strength, and surface strength as measured by resistance to abrasion. In addition, the present invention relates to paper substrates containing the composition, as well as methods of using and making the paper substrate and composition.

Abstract: The present invention is drawn to a method of treating silica in an aqueous environment. The method can comprise steps of dispersing silica particulates in an aqueous environment to form an aqueous dispersion; reversing the net charge of a surface of the silica particulates from negative to positive using a surface activating agent, thereby forming surface-activated silica particulates dispersed in the water; and contacting the surface-activated silica particulates with organosilane reagents to form reagent-modified and surface-activated silica particulates.

Abstract: A mat type recording medium for ink jet printing is provided which exhibits optimum printability no matter which of dye ink and pigment ink may be used in printing. The recording medium, which is for recording with use of water-based ink containing an ink colorant, comprises a paper base and an ink receptive layer formed on a surface of the paper base, the ink receptive layer comprising a porous layer containing an inorganic pigment and also containing a substance reactive with the ink colorant.

Abstract: The present invention relates to a porous membrane formed by curing at least one type of anionic monomer by UV irradiation in the presence of a photo-initiator wherein said porous membrane has at least 0.1 meq negative charges per m2, preferably between 0.3 and 5 meq negative charges per m2. The invention further relates to image recording materials, in which these porous membranes are used.

Abstract: An ink jet recording sheet is provided that delivers a photoparity image when printed with ink jet printer. The recording sheet comprises a two-layer coating. The bottom layer comprises amorphous silica and the top layer comprises spherical colloidal silica. Both silicas are rendered cationic. The recording sheet provides fast dry time, excellent image quality and superior water resistance and handle ability.

Abstract: The present invention is an inkjet recording element including a support having thereon an image-receiving layer having porous fusible polymeric particles including a continuous phase binder polymer and a second phase including hydrocolloid, wherein the particles have a porosity of from 10 to 80 volume percent and a film forming binder.

Abstract: The present invention discloses an ink printing method using an image-recording element, which provides an image having excellent image quality and superior dry time, comprising insoluble cationic core-shell polymeric particles each comprising a core comprising cationic core polymer having at least 10 mole percent of a cationic mordant monomeric unit and a shell comprising hydrophilic shell polymer that is substantially less cationic than the cationic core polymer, wherein the shell is at least 10% by weight of the core.

Abstract: At least one of an ink for inkjet printing and an inkjet recording material contains a compound represented by formula (A): wherein R1, R2 and R3 each represents an alkyl group, an aryl group or a heterocyclic group, and at least two of R1, R2 and R3 are mutually connected to form a cyclic structure; L represents a divalent connecting group; and at least one of R1, R2, R3 and L is a group having 8 or more carbon atoms.

Abstract: The invention provides an ink jet recording sheet which is highly resistant to printings smearing, running, feathering, color bleeding, or fading when wet, humid, or exposed to intense or continual light. The recording sheet has a solid substrate and a composition coating the solid substrate. The composition comprises a cationic polymer as well as starch, inorganic salt, pigment, and water. The composition can further comprise a non-ionic polymer. The coating tightly binds both pigment based inkjet inks and dye based inkjet inks. The composition is easy to apply and the ink jet recording sheet can be easily formed with a standard size press device.

Abstract: An ink composition is provided that includes a cationically polymerizable compound (a), a compound (b) that generates an acid when exposed to radiation, a colorant (c), and a salt of a weak acid having a pKa of 4 to 8 (d). There is also provided an inkjet recording method that includes a step of discharging the ink composition onto a recording medium, and a step of irradiating the discharged ink composition with radiation so as to cure the ink composition.

Abstract: A printing arrangement can include an ink-receiving coating applied to a media substrate, the ink-receiving coating having a coating thickness being configured to have a concentration gradient relative to the thickness. In the concentration gradient, the concentration of a cationic agent is greater in a center region of the ink-receiving coating relative to an upper region and a lower region.

Abstract: An inkjet coating composition for coating a substrate to absorb ink from an inkjet printer comprises a combination of (a) polydiallyldimethyl ammonium chloride (pDADMAC), (b) a crosslinkable cationic polymer, (c) colloidal silica, (d) silica gel, (e) a binder, preferably vinyl acetate-ethylene copolymer, and (f) water.

Abstract: An ink-jet recording media is provided with a sealable coating that is applied to a non-permeable substrate to improve fade resistance, dry time and water resistance. The ink-jet recording media comprises: (a) a non-permeable substrate; (b) a porous basecoat disposed on a surface of the non-permeable substrate, the basecoat comprising at least one pigment, at least one binder, and, optionally, at least one mordant, and adapted to receive a colorant from an ink comprising at least one colorant and a liquid vehicle containing at least one polar solvent; and (c) a porous topcoat. Either (1) the porous basecoat further comprises a solvent-swellable polymer, adapted to swell when contacted by at least one polar solvent of the liquid vehicle, and the porous topcoat is either optional or comprises at least one pigment and at least one binder, or (2) the porous topcoat comprises the solvent-swellable polymer and at least one binder.

Abstract: A coating composition comprising low sodium containing colloidal silicas and ink jet recording sheets prepared from such coatings are described. The coating comprises binder and colloidal silica preferably having an average particle size in the range of about 1 to about 300 nanometers and which has a solids to alkali metal ratio of at least the sum of AW(?0.013SSA+9), AW being the atomic weight of alkali metal present in the colloidal silica and SSA being the specific surface area of the silica. It has been discovered that if the alkali metal, e.g., sodium, content of colloidal silica is reduced, coatings prepared from such colloidal silica and applied to conventional ink jet recording sheet supports provide a specular gloss of at least 30 at 60° C., even at a relatively high silica solids to binder solids ratio of 1:1 or greater.

Abstract: An ink jet recording media system is described which comprises at least one coating layer that comprises a zwitterionic copolymer or cooligomer, which copolymer or cooligomer comprises monomer units derived from at least one monomer selected from the group consisting of the zwitterionic monomers and at least one monomer selected from the group consisting of the hydroxy functional monomers and etherified hydroxy functional monomers. The media system exhibits fast dry times, excellent image quality, low levels of glycol smear, low color coalescence and excellent light fastness.

Abstract: An ink jet recording media system is described which comprises at least one coating layer that comprises a zwitterionic polymer or oligomer. The media system exhibits excellent light fastness as well as good dry time and good image-forming properties.

Abstract: A recording paper containing pulp fibers and filler as main components and containing at least a heterocyclic carboxylic acid and a water-soluble polymer in the surface of the recording paper, wherein the surface contains at least one kind of cationic substance selected from the group consisting of a cationic organic molecule and a metal salt containing a metal cation of valency two or greater.

Abstract: A printing arrangement can include an ink-receiving coating applied to a media substrate, the ink-receiving coating having a coating thickness being configured to have a concentration gradient relative to the thickness. In the concentration gradient, the concentration of a cationic agent is greater in a center region of the ink-receiving coating relative to an upper region and a lower region.

Abstract: An ink jet recording medium including an ink receiving layer disposed on at least one side of a support, wherein the ink receiving layer is formed by applying an ink receiving layer coating solution. The ink receiving layer coating solution includes a water-soluble resin and a fine silica dispersion that has been prepared by finely dispersing a preliminary silica dispersion. The preliminary silica dispersion includes fumed silica, a cationic polymer having an I/O value of 2.4 or less, and alcohol.

Abstract: A recording medium for ink, capable of rapidly absorbing large amounts of ink, showing excellent color forming ability and capable of suppressing image deterioration caused by dye displacement that occurs when an image is stored in humid conditions and image deterioration caused by light when a printed image is displayed, and providing a printed image showing excellent long-term stability. The invention also provides a recording medium for ink having at least one layer provided on a substrate, and an ink receiving layer containing alumina hydrate as an outermost layer. A surface of the substrate at least on the side of the ink receiving layer is subjected to a cationizing treatment. An undercoat layer is provided on the same side as the cationizing treatment, to obtain cations in a predetermined distribution. The outermost ink receiving layer is provided on the undercoat layer.

Abstract: An inkjet recording sheet has a colorant-receiving layer on a support. The colorant-receiving layer is provided with at least one of compounds represented by the following formulas (1) to (4) and which has either or both of an I/O value of at least 0.5 and a water soluble property. The colorant-receiving layer is also provided with at least one organic mordant selected from polyallylamine, polyvinylamine and derivatives of these.

Abstract: An inkjet recording element comprising a support having thereon, in order, a support having thereon an ink-receiving layer comprising a hydrophilic polymer, a polymeric mordant, and particles of an aluminosilicate. Such recording elements exhibit improved humidity keeping.

Abstract: An ink jet recording element having a substrate having thereon: a) a subbing layer comprising an amine inactivated gelatin; and b) an image-receiving layer of a cross-linkable polymer containing hydroxyl groups and a polymeric mordant, the cross-linkable polymer being present at a thickness of from about 2 to about 40 ?m and the weight ratio of the cross-linkable polymer to the mordant being from about 30:70 to about 95:5.

Abstract: The invention provides methods for providing improved image quality and water resistance of dye based ink images on substrates using aqueous dispersed mordants and dispersed hydrophobic materials.

Abstract: The present invention is drawn to compositions and coated substrates wherein a back coating layer can be implemented for use to mitigate ink transfer, surface damage, smudging, and sticking between stacked sheets in output trays of ink-jet ink printers. Specifically, a coated media sheet can comprise a printing surface including an ink-receiving coating formulated to accept an ink-jet ink composition, and an opposing back surface comprising a back coating. The back coating can include an admixture of 0.5 wt % to 75 wt % of a polymeric binder, 5 wt % to 95 wt % of filler particulates having an average particle size from about 0.01 ?m to about 15 ?m, and 3 wt % to 90 wt % of spacer particulates having an average particle size from about 6 ?m to about 500 ?m. In one embodiment, the spacer particulates are larger than the filler particulates.

Abstract: A textile substrate is treated with a composition having a dye fixing agent and an ink receiving agent, for the subsequent printing with an ink jet printer. The dye fixing agent includes a reactive amino compound, and the ink receiving agent comprises inorganic particles. A resin binder can also be used where the dye fixing agent does not provide an adequate bond to the textile substrate.

Abstract: A recording medium for an inkjet printer includes a substrate and an ink receiving layer formed thereon and has an ink absorbing layer having a pigment and a binder, and an ink fixation layer having the pigment, the binder and polyether siloxane copolymer. The recording medium has good coating surface properties by improving surface wetting, a leveling property and flowability by adding the polyether siloxane copolymer to the ink fixation layer during coating, as a component enhancing physical properties of the ink fixation layer.

Abstract: A coating composition comprising cationic colloidal silicas and ink jet recording sheets prepared from such coatings is described. The coating comprises binder and polydispersed cationic colloidal silica. The cationic colloidal silica preferably has an average particle size in the range of about 1 to about 300 nanometers. It has been discovered that if a cationic polydispersed colloidal silica is employed in a glossy coating formulation, the coating provides a specular gloss of at least 30 at 60° C., even at a relatively high silica solids to binder solids ratio of 1:1 or greater, but also a coating having good to excellent printability characteristics.

Abstract: An improved ink jet recording element is disclosed comprising a subbed polyester support, and an ink receiver layer containing a cationic compound, characterized in that between said support and said ink receiver layer there is an additional adhesion promoting layer present comprising a binder and a cationically modified silica.

Abstract: Ink-receiving print media products having multiple capabilities including (A) minimal drying time; (B) improved smear-fastness; (C) a high level of water-fastness; (D) the ability to generate high-definition images; and (E) excellent ink compatibility. The media products have at least one ink-receiving layer on a substrate (e.g. paper pre-coated with one or more binders and/or pigments). The ink-receiving layer includes a pigment (boehmite, pseudo-boehmite, or mixtures thereof) optimally combined with a special binder blend [polyvinyl alcohol, a poly(vinyl acetate-ethylene) copolymer, and a poly(vinyl pyrrolidone-vinyl acetate) copolymer]. Also included is a special dye fixative (namely, a cationic emulsion polymer) which provides enhanced water-fastness. This fixative is of a particular type (a quaternary amine) that also allows high pigment levels to be employed (at least about 65% by weight) which further promotes the foregoing benefits.

Abstract: An ink recording element having a support having thereon a hydrophilic absorbing layer, an inner layer of a poly(vinyl alcohol-ethylene oxide) copolymer, and a polymeric overcoat layer of a cellulose ether.

Abstract: The present invention comprises an ink recording element comprising at least one solvent absorbing layer comprising an amine inactivated absorbing gelatin. In a preferred embodiment, the element includes a hydrophilic overcoat layer comprising cellulose ether. The recording element may further comprise at least one hydrophilic inner layer comprising poly(vinyl alcohol) and located between the hydrophilic absorbing layer and the hydrophilic overcoat layer.

Abstract: An ink jet recording element having a support having thereon a porous image-receiving layer having: (a) particles having a mean particle size of from greater than 0.04 &mgr;m to about 5 &mgr;m; and (b) water insoluble, cationic, polymeric particles having at least about 20 mole percent of a cationic mordant moiety.

Abstract: A recording sheet for ink jet printing described, which consists of a support having coated onto said support at least one ink receiving layer consisting of one or more binders and a mixture of different water insoluble, inorganic oxides of the elements aluminium or silicium, oxide/hydroxides of the element aluminium or aluminium silicates, wherein at least one of said oxides, oxides/hydroxides or silicates has a pore volume of ≧40 ml/100 g and is present in an amount of at least 8 weight percent relative to the total amount of all the water insoluble, inorganic oxides, oxide/hydroxides or silicates and that the primary particles of the mixture component with the largest volume have an equivalent sphere diameter of less than 20 nm and the primary particles of the mixture component with the smallest volume have an equivalent sphere diameter that is at least {fraction (1/20)} of the equivalent sphere diameter of the primary particles of the mixture component with the largest volume.

Abstract: An inkjet recording sheet comprising a support and, on a surface of the support, a colorant-receiving layer formed by applying a first coating liquid, adding a second coating liquid, after application of the first coating liquid and before the same shows a decreasing rate of drying, and thereafter hardening and drying the coat layer to form a porous structure. The first coating liquid has a pH value of 5 or lower, and is obtained by adding a solution which includes polyvinyl alcohol, a nonionic surfactant and/or amphoteric surfactant and a high boiling point organic solvent, to a dispersion including a cationic resin and vapor-phase-process silica having a specific surface area of at least 200 m2/g as measured by the BET method. The second coating liquid has a pH value of 8.5 or higher and includes a cross-linking agent capable of cross-linking the polyvinyl alcohol, an organic mordant and a nonionic surfactant.

Abstract: An inkjet recording element having a support having thereon in order: (I) a base layer of at least about 50% by weight of inorganic particles; and (II) an image-receiving layer of: (a) colloidal, inorganic oxide particles having a mean particle size of from about 10 to about 500 nm; and (b) water-insoluble, cationic, polymeric particles having a benzyldimethyl benzylammonium moiety.

Abstract: The invention provides methods for providing improved image quality and water resistance of dye based ink images on substrates using aqueous dispersed mordants and dispersed hydrophobic materials.