Abstract: An inkjet recording element comprising a support having thereon in order, from top to bottom, an upper fusible, porous layer comprising fusible polymeric particles, which particles comprise a thermoplastic polymer with reactive functional groups, the inkjet recording element further comprising a lower crosslinker-containing layer in which a polyfunctional compound has complementary reactive functional groups capable of crosslinking the reactive functional groups on the thermoplastic polymer under fusing. Optionally, an ink-carrier-liquid receptive layer is present between the fusible, porous layer and the support. Also disclosed is a method of inkjet printing on the element.

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: A tamper-indicating printable sheet. A preferred embodiment of the invention provides a tamper-indicating printable sheet comprising a retroreflective layer comprising a plurality of microbeads partially embedded in an inkjet receptive beadbond layer; and a reflector layer between one of the microbeads and the inkjet receptive beadbond layer. The present invention provides a method of making a tamper-indicating printable sheet.

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: A tamper-indicating printable sheet. A preferred embodiment of the invention provides a tamper-indicating printable sheet comprising a retroreflective layer comprising a plurality of microbeads partially embedded in an inkjet receptive beadbond layer; and a reflector layer between one of the microbeads and the inkjet receptive beadbond layer. The present invention provides a method of making a tamper-indicating printable sheet.

Abstract: A method for manufacturing an inkjet recording medium comprising the steps of: applying a coating color containing a pigment and a binder as major components to at least one side of a base material using a transfer roll coater, subsequently drying coating layer to form an ink absorbing layer, wherein Hercules viscosity of coating color is 5 m Pa·s to 30 m Pa·s and pigment contains a synthetic silica having an oil absorption of 90 ml/10 g to 200 ml/100 g, a BET specific surface area of 45 m2/g to 200 m2/g and an average particle diameter of 1.0 ?m to 3.0 ?m and/or a precipitated calcium carbonate-silica composite having an oil absorption of 100 ml/10 g to 250 ml/100 g, a BET specific surface area of 5 m2/g to 150 m2/g and an average particle diameter of 1.0 ?m to 10 ?m.

Abstract: An inkjet receiver is described which comprises a support and one or more layer coated thereon, at least one layer of which comprises one or more metal organosilicate polymer particulate materials. The metal organosilicate polymer particulate materials are obtainable by contacting a metal salt with a silicon-containing compound having an organic substituent in an organic solvent, wherein either the silicon-containing compound contains a basic group and/or the reaction is conducted in the presence of a base, wherein the metal is selected from one or more of aluminium, magnesium strontium, calcium or zinc and the silicon-containing compound comprises hydrolyzable and non-hydrolyzable substituents such as to form a metal organosilicate polymer particulate material therefrom. The described inkjet receiver is useful for forming images by inkjet printing having excellent colour fastness over time.

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 relates to a recording element intended for forming images by inkjet printing having very good colorfastness over time and a good ink drying time. Said recording element comprises a support and at least one ink-receiving layer, said ink-receiving layer comprising at least one hydrosoluble binder and at least one aluminosilicate polymer capable of being obtained according to a preparation method consisting in treating an aluminum halide with an alkyl orthosilicate only having hydrolyzable functions with an aqueous alkali in the presence of silanol groups, the aluminum concentration being maintained at less than 0.3 mol/l, the Al/Si molar ratio being maintained between 1 and 3.6 and the alkali/Al molar ratio being maintained between 2.

Abstract: An article has a constitution such that yellowing (e.g., yellowing of white portions upon storage in a resin file or the like) of the article can be continuously prevented over a long period of time even when it has a porous site composed of a pigment, such as an alumina hydrate, in an ink-receiving layer. An article, an ink recording medium and an ink-jet recording medium comprising a phenolic compound having a sulfonyl group and a diffusible sulfinic acid salt, and a production process of the ink-jet recording medium are provided.

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: A coating liquid for a recording layer, containing fumed silica of a bulk density higher than 50 g/l and a specific surface area by the BET method equal to or higher than 250 m2/g, and a recording medium having a recording layer prepared with such coating liquid. The recording layer contains a water-soluble resin, which is preferably crosslinked.

Abstract: An ink jet recording material of the invention includes a polyolefin resin-covered paper substrate, an ink absorption layer and a layer principally including colloidal silica in this order at one face of the substrate, and a backcoat layer at an opposite face of the substrate. An MD direction Taber stiffness of the substrate is at least 3 mN·m. The ink absorption layer principally includes fumed silica, and the backcoat layer is principally polyurethane resin. The ink absorption layer includes a thioether-based compound, and a polyolefin resin layer at a side of the substrate at which the ink absorption layer is to be provided includes an fluorescent brightening agent and a white pigment. A solid content coating amount of the colloidal silica is 0.05 to 0.3 g/m2, and a solid content coating amount of the polyurethane resin is 0.8 to 1.5 g/m2. A 20° glossiness of a blank portion of a face of the recording material that features the ink absorption layer is 40 to 60%.

Abstract: The invention provides a coating composition that provides high brightness, high gloss and superior print quality. The coated product comprises a substrate coated on at least one side with a coating composition comprising a pigment component and a binder component that is made of mixture of two binder resins. Both binder resins are capable of film forming. The first binder resin provides coating gloss and adhesion properties and the second binder resin enhances coating porosity, adhesion, and anti-static properties. The first binder resin that is used at 60-95% by weight of the total binder resin blend is selected from the group consisting of vinyl acetate acrylate, styrene acrylate and styrene butadiene acrylic copolymers. The second binder resin that is used at 5-40% by weight of the total binder resin blend is selected from the group consisting of anion type polystyrene derivatives, polyethylene glycol and polypropylene glycol.

Abstract: The present invention relates to a method for treating an inkjet recording element to improve the image quality of such an element. The method comprises the applying of a solution of an aluminosilicate polymer on said recording element, said aluminosilicate polymer being obtainable by a preparation method consisting in treating an aluminum halide with an alkyl orthosilicate only having hydrolisable substituents or with a mixture of at least one silicon alcoxide only having hydrolisable substituents and at least one silicon alcoxide having a non-hydrolisable substituent with an aqueous alkali in the presence of silanol groups, the aluminum concentration being maintained less than 0.3 mol/l, the Al/Si molar ratio being maintained between 1 and 3.6 and the alkali/Al molar ratio being maintained between 2.3 and 3; and then stirring the resulting mixture at ambient temperature in the presence of silanol groups for long enough to form the aluminosilicate polymer.

Abstract: A polymer compound comprises a unit composed of a sulfur-containing compound (A) having at least two active hydrogen groups, a unit composed of a compound (B) having at least two isocyanate groups and a unit composed of an amine compound (C) having at least two active hydrogen groups, and having an average particle size of 200 nm or smaller. The polymer compound can be used in a recording medium.

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: An ink jet recording medium which is excellent in ink absorptivity, color density, gloss, water resistance, light fastness and yellowing resistance, in particular, ink absorptivity, color density, light fastness and yellowing resistance. The ink jet recording medium comprises at least one ink receptive layer containing polymeric organic particles provided on a support, wherein the polymeric organic particles have a glass transition temperature (Tg) of 40° C. or higher and are amphoteric polymeric organic particles having both of the functional groups of a cationic group and an anionic group on the surface thereof.

Abstract: An inkjet receiver layer is constructed of an alumina-containing layer also containing a binder with an essentially binder-free, colloidal, cationic silica top-coat. The colloidal cationic silica topcoat provides improved image quality (color gamut and gloss) and increased resistance to scratching, while maintaining a high absorption of ink.

Abstract: The present invention aims to provide coated printing papers having fast ink drying properties comparable to those of conventional newsprint, without stickiness, having good printability such as sharpness of printed images comparable to those of coated papers, as well as having the effect of decomposing harmful substances by exposure to light, especially when using penetration drying type news inks. A coated printing paper is provided, comprising a coating layer containing a pigment and an adhesive on a base paper, characterized in that a fine titanium oxide powder having a photocatalytic effect is contained in the coating layer and that the coated paper has an oil absorbency of 20 g/m2 or more under pressure and a Bekk smoothness of 75 seconds or less.

Abstract: The invention relates to poly(vinylalcohol)-co-poly(vinylamine) copolymers represented as formula (I), where B is greater than or equal to 1, L is independently of each other a chemical linking group which is —NH—, —N?, >N—, >N++<, —O— or —CO—, COPOLYMER is derived from a prepolymer of the formula (II) where R1 and R3 are independently H; 3-propionic acid or C1,-C6 alkyl ester thereof; or is 2-methyl-3-propionic acid or C1-C6 alkyl ester thereof, R2 and R4 are independently H or C1,-C6 alkyl, x+y+z is between about 3 and about 50 mole percent and q, n and m together make up the remainder of the mole percent, the indices x, y, z, n, m -and q independently may be 0, if q is not 0, b may also be 0.

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: The invention provides an inkjet recording material having high glossiness and favorable ink absorbency, including a support having thereon an ink receiving layer containing silica fine particles and a water-soluble resin, the arithmetic average of the mass ratio of carbon atoms to silicon atoms contained in an outermost surface farthest from the support of the ink receiving layer being from 2.5 to 7.0, and the arithmetic average of the mass ratio of carbon atoms to silicon atoms contained in a region extending from the outermost surface to a depth of 5 ?m in the thickness direction of the ink receiving layer being from 1.5 to 4.0.

Abstract: To provide an inkjet-recording medium including a water non-absorptive support, and an ink-receiving layer which is formed over at least one surface of the water non-absorptive support and which contains inorganic microparticles, wherein the ink-receiving layer has an ink-absorption capacity of 2 mL/m2 to 8 mL/m2.

Abstract: An ink jet recording media system is described which comprises at least one coating layer that comprises a copolymer or cooligomer, which copolymer or cooligomer comprises monomer units derived from at least one monomer selected from the group consisting of the acrylate and acrylamide monomers, at least one monomer selected from the group consisting of the amine containing ethylenically unsaturated monomers and at least one monomer selected from the group consisting of the polyacrylates of polyols. The copolymer or cooligomer is at least partially neutralized with acid. The media system exhibits excellent dye wash fastness, fast dry times, high gloss and excellent light fastness.

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: An inkjet recording element comprises a support having thereon in order, from top to bottom, a fusible, porous layer comprising fusible multifunctional polymer particles derived from an aqueous dispersion that comprise a thermoplastic polymer with at least two reactive functional groups capable of crosslinking with each other. Optionally, an ink-carrier-liquid receptive layer is present between the fusible, porous layer and the support. Also disclosed is a method of inkjet printing on the element.

Abstract: The invention relates to novel and innovative PCC pigments, able to be used in a paper coating formulations to manufacture coated “multipurpose” papers, in particular for inkjet applications, whose print qualities would be identical or quite similar to high resolution commercial papers, while maintaining a reduced paper manufacturing and production cost. Said pigments are obtained by a carbonation process using a reduced flow rate of CO2/air, which leads to porous agglomerates of PCC of a very specific structure and unique properties, followed by an upconcentration step leading to substantially the same agglomerates but with a higher, appropriate, solids content.

Abstract: The present invention is drawn to a media sheet, comprising a substrate and a porous ink-receiving layer deposited on the substrate. The porous ink-receiving layer can comprise inorganic metal or semi-metal oxide particulates bound by a polymeric binder, and the porous ink-receiving layer can further include an effective amount of a sulfur-containing compound that interacts with ozone upon exposure thereto.

Abstract: This invention relates to thermoplastic articles having printable matte surfaces. The printable matte surface is achieved by blending inorganic particles, and especially silica particles, having a mean particle size of from 2 to 30 micron and a narrow particle size distribution into the thermoplastic at from 15 to 30 percent by weight.

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: An inkjet recording medium having on a substrate an ink-receiving layer containing inorganic fine particles and organic nitrogen-containing cationic polymer, with the organic nitrogen-containing cationic polymer being contained in a greater quantity in a half of the ink-receiving layer at a side nearer to the substrate (a near-substrate side) than in a half of the ink-receiving layer at a side further from the substrate (a far-substrate side) when the ink-receiving layer is divided into two equal parts by a plane parallel to the substrate.

Abstract: The present invention relates to an inkjet recording element showing good dye keeping in time and then good image stability. Said element comprises a support and at least one ink-receiving layer, said ink-receiving layer comprising at least allophane-type amorphous spherical or ring-shaped aluminosilicate particles, said aluminosilicate particles having been submitted to an acidic treatment. Said particles can be natural allophane, purified or not, or allophane obtained by synthesis.

Abstract: Disclosed herein is a recording medium comprising an alumina hydrate having an average pore radius of 20 to 200 ? and a half breadth of pore radius distribution of 20 to 150 ?.

Abstract: Metal oxide particle agglomerates prepared by adding an aluminum phosphate agglomerating agent with mixing to an aqueous dispersion of metal oxide nanoparticles to form an aqueous homogeneous dispersion of nanoparticles and agglomerating agent and then adjusting the pH of the dispersion with mixing to about 3.5 to about 6.5 to produce the particle agglomerates and use of the particle agglomerates to prepare ink receptive coatings, as catalysts, as reinforcing fillers, as polishing abrasives and as flattening agents.

Abstract: Papers are provided which exhibit rapid ink setting and ink drying. These papers include a topcoat layer, and a penultimate coating layer that draws ink through the topcoat layer. In some implementations, the penultimate coating layer includes a high internal pore volume filler, and/or has a fine external pigment pore structure.

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 present invention provides a recording medium including a recording layer on a substrate, wherein the recording layer includes a polymer that has a thioether bond, has a sulfur equivalent of no less than 1.2 meq/g, and has an inorganic/organic ratio (I/O value) represented in an organic-inorganic conceptional diagram of no less than 0.5. According to the invention, the recording medium may be an ink jet recording medium, in which the recording layer is an ink receiving layer.

Abstract: The present invention relates to an ink jet recording sheet comprising a sheet-like substrate, and an ink receiving layer formed on at least one surface of the sheet-like substrate, the ink receiving layer containing an amorphous silica having an average particle size 0.5 to 10 ?m and a binder, the sheet-like substrate being subjected to a calendering treatment after forming the ink receiving layer thereon, thereby white-paper gloss of the recording sheet measured at 75° in accordance with JIS Z 8741 is from 30 to 90%.

Abstract: Formulations comprising novel porous metal oxide particles and binder are particularly suitable for ink receptive coatings, e.g., for ink jet papers and films. The metal oxide particles used in this application have a porous structure that differs significantly from the nonporous silica colloids. The particles have a median particle size in the range of about 0.05 to about 3 microns and porosity such that when an aqueous dispersion of the particles is dried at least 0.5 cc/g of pore volume is from pores having a pore size of 600 ? or less. The particles also have a viscosity derived pore volume of at least 0.5 cc/g.

Abstract: An ink jet recording sheet having a porous ink receiving layer is disclosed. The porous ink receiving layer contains a compound which has a plural number of non-aromatic carbon-carbon unsaturated bonds in a molecule, inorganic particles and a hydrophilic binder. An image forming method employing the ink jet recording sheet and a water-base ink is also disclosed.

Abstract: A composition for forming a receiving layer for inkjet printing is provided. The composition, which is a solution or dispersion of a binder resin and a water-containing synthetic silica obtained by a wet gelling method in a solvent containing 10-80% by weight of alcohol, has a low viscosity, exhibits excellent applicability, can adsorb a large amount of ink, and can form a hard receiving layer suitable for inkjet printing. A method of manufacturing the composition and a recording sheet for inkjet printing having a receiving layer formed from the composition are also provided.

Abstract: The present invention relates to a composition suitable for coating an ink jet recording sheet. The composition includes a slurry of pigment particles in a liquid medium and a binder wherein the composition, as an ink-receiving formulation may provide a viscosity of about 1-10,000 centipoise. The recording sheet may then exhibit improved printing properties with respect to variables such as color richness (gamut), L*min, and visual gloss.

Abstract: Transfer paper suitable for inkjet printing, provided, at least on the side to be printed, with a release or barrier layer, the layer having a porosity of at most 100 ml/min, and a method for manufacturing a transfer paper and a method for printing transfer paper with an inkjet printer with an aqueous dispersion of a sublimable ink.

Abstract: The present invention comprises an inkjet recording element comprising a support having thereon at least two ink receiving layers capable of accepting an inkjet image, at least one of said layers comprising porous polyester particles. The present invention also includes a method of forming an inkjet print comprising providing an inkjet recording element comprising at least two ink receiving layers capable of accepting an inkjet image, at least one of said layers comprising porous polyester particles and printing on said inkjet recording element utilizing an inkjet printer.

Abstract: An adhesive print medium for use with an ink jet imaging apparatus includes a first layer having a first side and a second side, and a compound applied to the second side of the first layer, the compound being formulated as both an adhesive and an ink receiving substrate to receive and retain ink ejected from the ink jet imaging apparatus, the compound forming a second layer. The ink ejected from the ink jet imaging apparatus is viewed from the first side of the first layer.

Abstract: A media sheet has a substrate with an image-receiving layer disposed thereon. The image-receiving layer has a first pigment having particles with a size of about 50 to about 400 nanometers, a second pigment having plate-like particles, and a third pigment that either having a porous structure with an oil absorption of about 50 to about 300 cubic centimeters of oil per 100 grams, or a porous structure comprising substantially non-porous particles.

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: An ink-jet ink-receptive composition, which resolves problems such as blurring of images and show-through occurring when water soluble dye inks are employed on uncoated paper such as plain paper or ordinary postcards and which provide a high density and high quality image, contains a specific silica particle aggregate and polyvinylpyrrolidone.