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: Transparent ink-jet recording films, compositions, and methods are disclosed. These compositions and methods can impart excellent adhesion properties between film layers and the transparent support. The films have improved appearance compared to similar high optical density films. Such improved appearance films are produced without requiring reduced drying process throughput. These films are useful for medical imaging.

Abstract: The present invention relates to a pigment dispersion having an inorganic pigment dispersed therein, characterized in that a metal compound adheres to the inorganic pigment and a metal ion concentration of the metal compound in the pigment dispersion does not exceed 0.05 mol/L.

Abstract: An ink for use in combination with, for example, an ink-jet printer. The ink comprises a carrier, a colorant in the carrier, and a component selected from a group consisting of amines, amides, and combinations thereof.

Abstract: Decorative paper for decorative coating materials comprising a base paper and an ink receiving layer dyed in such a way that the decorative paper has after impregnation with impregnating resins and pressing as laminate the same coloring as the coloring of a laminate of a decorative paper that does not comprise an ink receiving layer.

Abstract: Coated substrates are made from colored paper coated with a coating comprising silica or fumed metal oxide, such as precipitated silica, colloidal silica, fumed silica or fumed metal oxide. An opaque coating is formed which improves the L* and b* values of the colored paper. Images printed onto the paper show improved characteristics, such as a reduction in wick or bleed, or an improved color gamut.

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: An ink-jet recording medium having a non-absorbent support; an ink-receiving layer containing an inorganic pigment and a binder, disposed on one surface of the non-absorbent support; and a water-absorbent layer containing a water-absorbent polymer and a pigment, disposed on the other surface of the non-absorbent support, opposite to the one surface provided with the ink-receiving layer.

Abstract: The specification pertains to a single or multiple coated printing sheet in particular but not exclusively for sheet-fed offset printing with an image receptive coating layer on a paper substrate. Unexpectedly short converting times and times until reprinting can be achieved by choosing a coating, in which the image receptive coating layer comprises a top layer and/or at least one second layer below said top layer, said top and/or second layer comprising a pigment part, wherein this pigment part is composed of 1-95 preferably of 80-95 parts in dry weight of a fine particulate carbonate and/or of a fine particulate kaolin or clay and 1-100, preferably 6 to 25 parts in dry weight of a fine particulate silica, and a binder part, wherein this binder part is composed of 5-20 parts in dry weight of binder and less than 4 parts in dry weight of additives. Furthermore methods for making such a printing sheet and uses of such a printing sheet are disclosed.

Abstract: A print medium suitable for inkjet web press printing is disclosed herein. The print medium includes a paper substrate and an ink-receiving layer coated onto at least one surface of the paper substrate. The ink-receiving layer includes: two different inorganic pigments with different particle sizes; a binder; a water-soluble metallic salt; and a colorant durability enhancer selected from the group consisting of boric acid, borax, sodium tetraborate, phenyl boronic acid, butyl boronic acid and combinations thereof.

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: There are provided an inkjet recording medium having on a substrate an ink-receiving layer containing inorganic fine particles and a sulfur compound, with the sulfur compound being contained in a greater quantity in half of the ink-receiving layer at a side nearer to the substrate than in half of the ink-receiving layer at a side further from the substrate when the ink-receiving layer is divided into two equal parts by a plane parallel to the substrate, and a manufacturing method thereof.

Abstract: A print medium is disclosed which includes a base paper containing a first side and a reverse side, and a coating layer disposed on at least the first side. The coating layer contains a mixture that includes about 10-90 weight percent of a first pigment comprising precipitated calcium carbonate particles, about 5-60 weight percent of a second pigment comprising particles of a liquid absorptive material having a larger size than the first pigment particles and having a different shape that of the first pigment particles, and about 1-50 weight percent of a third pigment comprising particles of a liquid absorptive high surface area material having a surface area of at least 50 m2/gram, and having a smaller size that both of the first and second pigments. Weight percents are by combined weight of the first, second and third pigments.

Abstract: The present invention relates to a material intended for forming or printing images, comprising a support and at least one hydrophilic binder-based layer, and its manufacturing method, said method enabling the gelation process of the hydrophilic binder to be controlled. The material according to the invention is characterized in that in at least one of said hydrophilic binder-based layers, said hydrophilic binder is gelated by complexation with a complexing agent present on a heat-sensitive polymer or copolymer, that is hydrophobic at temperatures higher than its lower critical solution temperature LCST to protect the complexing agent, and water-soluble at temperatures less than its LCST to make the complexing agent accessible, the LCST of the heat-sensitive (co)polymer being higher than the setting temperature of said hydrophilic binder. The material according to the invention can be used as photographic material or as material taking aqueous ink compositions applied by the inkjet printing technique.

Abstract: Embodiments of the invention are directed to a printing member for imaging with an inkjet printer using pigment-based aqueous inkjet ink. The printing member may include a substrate and a hydrophilic coating layer. The coasting layer may include acidic colloidal silica whose particles have an elongated shape, a hydrophilic polymer and a crosslinking agent.

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: 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: 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: A manufacturing an ink-receiving medium comprising the steps of providing a support, treating the support with a salt of a multivalent metal cation, and coating upon one or each side of the support at least one porous ink-receiving top layer from an aqueous coating composition consisting of non-cationic components, wherein the non-cationic components comprise a binder and anionic particles of average particle size less than 2.5 microns, wherein the ink-receiving top layer comprises at least 50% of the total solids by weight, such that the water-soluble salt of a multivalent metal cation is able to diffuse into the ink-receiving top layer, the method further comprising drying the coating and optionally calendering the coating. Also disclosed is inkjet media made from such method and a method of printing using such inkjet media.

Abstract: Disclosed are a coating composition, coated article, and a method for treating one or more sides of the printable web with the composition, for providing improved printing ink dry time and gloss. The coating composition comprises: a calcium carbonate pigment component comprising a mixture high and low surface area calcium carbonate pigment; a metal salt drying agent; and a cationic dye fixing agent; a pigment binder; optionally a plastic pigment; and optionally an optical brightener; and which provides: a solids content of at least about 25%; a ratio of high to low surface area calcium carbonate in the range of from about 0.5:1 to about 20:1; and a ratio of calcium carbonate pigment component to pigment binder in the range of from about 4:1 to about 50:1.

Abstract: The invention provides an ink jet recording medium comprising a support and an ink receiving layer provided on at least one surface of the support. In one embodiment, a center line average roughness average Ra of a surface of the ink-receiving layer, measured with a 2.5 mm measuring length and 0.8 mm cut-off value, is in a range of 0.3 ?m or more but less than 0.8 ?m. In another embodiment, a center line average roughness average Ra of the surface of the support measured with a 2.5 mm measuring length and 0.8 mm cut-off value, is preferably in a range of 0.3 ?m or more but less than 1.0 ?m. An image clarity of the surface of the ink receiving layer is preferably in a range of 2 to 40%.

Abstract: Disclosed is an inkjet recording material comprising at least a base layer and an ink receiving layer. The ink receiving layer is composed of a mixture of a hydrophilic component containing a hydrophilic resin and a hydrophobic resin having hot-melt property. And the mass ratio between said hydrophilic component and said hydrophobic resin having hot-melt adhesive property in the mixture is from 60:40 to 20:80 (the hydrophilic component:hydrophobic resin). The inkjet recording material is excellent in moisture resistance, while exhibiting high ink absorption capacity.

Abstract: A recording sheet for ink jet printing is provided, which consists of a support having coated thereon at least one ink-receiving layer consisting of binders and at least one nanoporous inorganic compound, wherein the recording sheet contains a polynuclear aluminum hydroxo complex with 30 aluminum atoms. In a preferred embodiment, the surface of the nanoporous inorganic compound is modified by a treatment with the aluminum hydroxo complex with 30 aluminum atoms.

Abstract: A recording medium containing a substantially colorless compound in which at least 10 atoms having conjugate ? electrons are present on a per-molecule basis, wherein it is especially preferable that the compound has at least two aromatic ring groups and/or shows no fluorescence. An ink composition used for printing in image form on media, with the composition containing a dye and controlling a hue change caused in the printed images over a period of one hour immediately after the printing to 5 or below in color-difference terms. And a method of recording images on media by printing an ink composition in image form, wherein the ink composition contains a dye and a hue change caused in the printed images over a period of one hour immediately after the printing is controlled to 5 or below in color-difference terms.

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: An ink jet recording medium comprising a substrate and at least one ink-receiving layer on the substrate, wherein said ink-receiving layer after recording has the characteristic that the sum of image clarity values is 130 or more (when measured by optical combs of 0.125 mm, 0.25 mm, 0.5 mm, 1.0 mm and 2.0 mm) and the regular reflection strength is 30 or more, makes it possible to record a high quality image which has high glossiness and photographic feel.

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: An ink receiving substrate includes a base substrate, and an ink receptive coating formed on the base substrate. The ink receptive coating includes a binder and a fumed silica and alumina dispersion, wherein the fumed silica and alumina dispersion includes between 5 and 30% alumina particles.

Abstract: The inkjet recording medium herein provided has at least: a support; and an ink-receiving layer provided on the support, the ink-receiving layer comprising inorganic fine particles, two polyvinyl alcohols having a degree of saponification different from each other, and a low molecular weight polyvinyl alcohol having an average degree of polymerization of 2000 or less.

Abstract: A support for image recording material, comprising a base paper and thermoplastic resin layers formed on both faces of the base paper, wherein: a formation index of the base paper is 60 or more; a surface of the base paper, at least on a side where an image recording layer is formed, has a center surface average roughness SRa of 0.70 ?m or less when measured with a cut-off condition of within the range of 0.05 to 0.5 mm, and a center surface average roughness SRa of 0.80 ?m or less when measured with a cut-off condition of within the range of 1 to 3 mm; and the thickness of the thermoplastic resin layer, at least on the side where the image recording layer is formed, is 35 to 60 ?m.

Abstract: The present invention is drawn to a media sheet for ink-jet printing and can comprise a media substrate and a coating composition applied to the media substrate to form an ink-receiving layer. The ink-receiving layer can include semi-metal oxide or metal oxide particulates, at least 5 wt % of a water soluble coating formulation additive, and a binder. The media sheet can also have a wash conductivity less than about 80 microsiemens/cm, said wash conductivity determined by measuring the conductivity of a 50 mL bath of deionized water after placing a 100 cm2 sample of the media sheet in the deionized water for 45 seconds at room temperature under agitation.

Abstract: The present invention refers to an ink-jet recording material comprising a support, and at least one ink receiving porous layer coated on the support, wherein at least one porous layer comprises, dispersed therein, an organic solvent having a logP value higher than 2.00, an antifading compound, a non-ionic surfactant having low EDLB, an anionic surfactant, and a carboxylic derivative.

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 is drawn to compositions and coated substrates wherein a hydrophobic backside coating layer can be implemented for use that mitigates ink transfer, surface damage, smudging, and sticking between stacked sheets in output trays of ink-jet ink printers. The backside coating can comprise hydrophobic beads suspended in a polymeric blend having a hydrophilic polymeric binder component and a hydrophobic polymeric binder component. Alternatively, the coating can comprise a hydrophobic binder blended with a natural wax. Either coating can be applied directly to the backside of a media substrate or on top of an existing hydrophilic layer that is typically applied for curl and sheet feed performance.

Abstract: Provided is an inkjet recording sheet. The inkjet recording sheet includes a support film comprising homopolypropylene, a propylene-ethylene random copolymer, a propylene-ethylene block copolymer, high-density polyethylene, and polystyrene, a primer layer having larger elongation than the support film and comprising a hydroxyl group-containing polyolefin resin, and an ink absorbing layer. The inkjet recording sheet has substantially the same texture as real photo paper and excellent image quality. When a matte-finish surface is used as a recording surface, a non-glossy treatment effect can be obtained. Therefore, various kinds of consumer's desires can be satisfied. In addition, since the inkjet recording sheet has an appropriate stiffness range, no paper jamming occurs upon continuous printing, substantially the same texture as real photo paper and excellent image quality are ensured.

Abstract: A support for an image recording material for receiving at least an image recording layer. The center surface average roughness SRa of the support surface to be provided with an image recording layer is 0.15 ?m or less when measured under a condition of a cutoff of 0.02 to 0.5 mm, and is 0.45 ?m or less when measured under a condition of a cutoff of 1 to 3 mm. An image recording material having an image recording layer on the support. The center surface average roughness SRa of the surface of the image recording material which surface is to be provided with an image is 0.1 ?m or less when measured under a condition of a cutoff of 0.02 to 0.5 mm.

Abstract: An inkjet recording medium, including a support and an ink receiving layer formed on at least one face of the support, wherein the inkjet recording medium satisfies at least one of the following conditions (i) and (ii): (i) the arithmetical mean deviation of the assessed profile Ra, as specified in JIS-B-0601(2001), of a surface of the ink receiving layer, determined with an evaluation length of 2.5 mm and a cutoff value of 0.8 mm, is 0.3 to 1.2 ?m, and the peak value (reflectance) of the surface of the ink receiving layer, as determined by a goniophotometer, is in the range of 30 to 80%; and (ii) the arithmetical mean deviation of the assessed profile Ra, as specified in JIS-B0601(2001), of a surface of the support, determined with an evaluation length of 2.5 mm and a cutoff value of 0.8 mm, is 0.3 to 1.5 ?m, and the peak value (reflectance) of the surface of the support, as determined by a goniophotometer, is in the range of 20 to 80%.

Abstract: This invention provides an ink jet recording medium, which is small in coverage and, at the same time, can simultaneously realize high gloss and ink absorption. The ink jet recording medium is produced by coating a lower layer comprising a water-absorptive pigment, a latex, and boric acid or its salt and an upper layer comprising a submicron pigment and polyvinyl alcohol, and conducting casting.

Abstract: The invention relates to a gloss coated multifunctional printing paper that can be used with a variety of office printing equipment including inkjet and electrophotographic and to processes of making and using the paper. a paper substrate; and a pigmented composition coated on at least one surface of the substrate, said pigmented coating composition comprising (1) a first pigment having a BET surface area in the range of from about 50 to about 750 m2/g; (2) a second pigment having a BET surface area in the range of from about 5 to about 49 m2/g; and (3) a polymeric binder, Said coated paper having a coating gloss equal to or greater than about 30% at 75° and a Bristow Absorption length of less than about 180 mm. The coating compositions may contain other additives such as lubricants, optical brighteners and coating rheology modifiers.

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 inkjet recording medium including a resin-coated paper including a base paper and at least one resin layer on each of both faces of the base paper, and an ink-receiving layer on one face of the resin-coated paper, wherein the inkjet recording medium includes linear concavities and convexities that are formed in parallel or approximately parallel to any one side of the resin-coated paper on at least a part of the face of the resin-coated paper on which the ink-receiving layer is not formed.

Abstract: The present invention relates to a sizing composition that, when applied to paper substrate, creates a substrate, preferably suitable for inkjet printing, having increased print density, and print mottle, as well as print sharpness, low HST, and/or image dry time, the substrate preferably having high brightness and reduced color-to-color bleed as well. In addition, the present invention relates to a method of reducing the HST of a paper substrate by applying the sizing composition to at least one surface thereof. Further, the application relates to methods of making and using the sizing composition, as well as methods of making and using the paper containing the sizing composition.

Abstract: An inkjet recording medium comprising a support and an ink-receiving layer on a support, wherein the hardness of the ink-receiving layer is 9.0 or more; and the D/I value of the ink-receiving layer defined by ASTM E430 is 40 or more, or an inkjet recording medium comprising a support and an ink-receiving layer on a support, wherein the hardness of the ink-receiving layer is 9.0 or more; and the center surface average roughness (SRa) of the ink-receiving layer is 0.1 ?m or less when measured under the condition of cutoff of 0.02 to 0.5 mm, and 0.4 ?m or less when measured under the condition of cutoff of 1 to 3 mm.

Abstract: An inkjet recording element comprising a support having thereon in order, from top to bottom, a fusible, porous ink-transporting layer comprising fusible polymeric particles, which particles comprise a thermoplastic polymer with reactive functional groups, the ink-transporting layer further comprising a multifunctional compound having complementary reactive functional groups capable of crosslinking the reactive functional groups on the thermoplastic polymer. The ink-transporting layer is over a fusible dye-trapping layer that preferably comprises a mordant. Optionally, an ink-carrier-liquid receptive layer is present between the dye-trapping layer and the support.

Abstract: An inkjet recording medium obtained by forming a coating layer containing a pigment and a binder on the surface of a base material and coating layer is subsequently pressed onto a heated mirror finished surface to dry to form an ink absorbing layer through a cast coating method, wherein pigment contains a colloidal silica that has a primary particle diameter of from 10 nm to 100 nm while the ratio of the secondary particle diameter to primary particle diameter is from 1.5 to 3.0.

Abstract: An inkjet recording element comprises a support having thereon in order, from top to bottom, a fusible, porous top layer comprising fusible polymeric particles that comprise a thermoplastic polymer with reactive functional groups, in combination with a multifunctional compound having complementary reactive functional groups capable of crosslinking the reactive functional groups on the thermoplastic polymer. Optionally, an ink-carrier-liquid receptive layer is present between the top layer and the support.

Abstract: A method of producing a print medium to reduce problems associated with the gradual dye-fade and color-shift of inks over time, and to provide improved resistance to physical handling is provided Specifically, a method can comprise steps of coating a media substrate with a porous coating composition of semi-metal oxide or metal oxide particulates to form a porous ink receiving layer, coating the porous ink-receiving layer with a latex layer configured to allow an ink-jet ink to be received at the porous ink-receiving layer, printing ink-jet ink on at least a portion of the latex layer to form ink-associated latex regions exclusive of non-printed latex regions, and heating the latex layer. The ink-jet ink can include an ink vehicle, a colorant, and a film promoting additive that lowers the film forming temperature of the latex particulates in the ink-associated latex regions. Upon heating, the ink-associated latex regions form a continuous film, and non-printed latex regions do not form a continuous film.

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: The present invention provides an aqueous composition for recording medium in a form of aqueous dispersion solution comprising a polyvinyl alcohol-based resin (A) having an average saponification degree of 80-89 mol % and an average polymerization degree of 1700-3500, and containing a polyvinyl alcohol having 1,2-diol structural unit on a side chain thereof, represented by a general formula (1); an inorganic microparticle (B); and a boron compound (C). The aqueous composition of the present invention is not likely to become gel and therefore exhibit excellent preservation stability. Furthermore, the aqueous composition provides a recording layer serving as an ink receiving layer/glossy layer satisfied with gloss, ink absorbency, and water resistance. Accordingly, the present invention may also provide an ink-jet recording medium satisfying surface gloss by forming a coating layer of the inventive aqueous composition on a substrate, even when the substrate has water resistance.