Abstract: The invention relates to the discovery that pre-treating mineral oxide particles with a silylated polymeric coupling agent prior to suspending the particles in a binder polymer increases the crack resistance and adhesion of particles to a inkjet printing substrate such as paper sheets. Such pretreatment also reduces the amount of binder needed to achieve acceptable performance, leading to improvements in production speed and image quality.

Abstract: A set for ink jet recording comprising an ink jet recording medium containing a water-soluble aluminum compound and a sulfoxide compound in an ink receiving layer on a support, and an ink containing a coloring matter represented by the following formula (I), and an ink jet recording method using the same: wherein G is a heterocyclic group; n is an integer of 1 to 3; when n is 1, R, X, Y, Z, Q and G each represent a monovalent group; when n is 2, R, X, Y, Z, Q and G each represent a monovalent or divalent substituent, and at least one of them is a divalent substituent; and, when n is 3, R, X, Y, Z, Q and G each represent a monovalent, divalent or trivalent substituent, and at least two of them are a divalent substituent, or at least one of them represents a trivalent substituent.

Abstract: Ink receiving particles is provided. The ink receiving particles includes polymer particles, the polymer particles including a resin including an acidic group and a polyoxyethylene chain, the acidic group at least partially having a salt structure.

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: A paper includes a substrate and a polymer layer disposed over at least one side of the substrate. The paper further includes an aluminous material at least partially dispersed within the polymer layer. The aluminous material has a primary aspect ratio of at least about 1.5, a secondary aspect ratio of not greater than about 3.0, and a primary particle size between about 50 nm and about 1000 nm.

Abstract: An inkjet recording element comprising an absorbent support, a porous base layer nearest the support, a porous ink-receiving intermediate layer above the base layer, and a porous ink-receiving upper layer above the intermediate layer. The base layer and intermediate layers are each present in an amount of at least 25 g/m2 and the total dry weight coverage of the base layer, the intermediate layer, and the upper layer is 60 to 130 g/m2 in order to handle high fluxes of ink compositions during printing and to provide high gloss upon calendering. Also disclosed is an advantageous method of making such inkjet recording materials.

Abstract: An inkjet recording element having a support having thereon in sequence (a) a transparent, non-porous layer that can be swelled by water less than 0.67 of its original weight, and (b) a fusible, porous image-receiving layer. The inkjet recording element exhibits improved adhesion and excellent image quality. A method of inkjet printing is also disclosed.

Abstract: The object of the present invention is to provide an ink jet recording material which has no cracks on the surface of the ink-receiving layer and possesses both the color developability and the absorbability of pigment inks. According to the present invention, there is provided an ink jet recording material formed by coating a coating solution of a pigment layer and a coating solution of at least one ink-receiving layer in succession on at least one side of a paper support and drying the resulting coating layers, wherein the pigment contained in the pigment layer has an average secondary particle diameter of not less than 1 ?m and not more than 5 ?m, 50% by volume or more of the total volume of the pigment has a secondary particle diameter of not less than 1.

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: There are disclosed an ink-jet recording material having at least two ink-receptive layers mainly containing fine particulate silica on a support, which comprises an ink-receptive layer positioned farthest from the support contains a water-soluble zirconium compound, and the ink-jet recording material satisfies at least one of the following requirements (a) and (b): (a) a water-soluble zirconium compound is present with a larger amount at a portion apart from the support than a portion nearer to the support, and a cationic emulsion is contained in the ink-receptive layer farthest from the support. (b) a water-soluble aluminum compound is contained in an ink-receptive layer positioned nearer to the support, and a process for preparing the same.

Abstract: The invention relates to an image-recording element comprising a support and an image-receiving layer, wherein the image-receiving layer comprises anionic colloidal silica particles, hydrophilic polymeric binder, and fluorosurfactant, wherein the binder is present in an amount of between 2% and 15% weight of the image-receiving layer, the image-recording element has a 60-degree gloss of greater than 25, and a dry time of less than 1 minute.

Abstract: The present invention relates to an inkjet recording material comprising: a) a substrate b) at least one ink-accepting layer applied to at least one side of the substrate, containing at least one pigment selected from the group consisting of calcium carbonate, calcined clay, satin white or mixtures thereof, the mean particle size of the pigment being from 0.1 ?m to 1.5 ?m, c) at least one surface layer applied to the at least one ink-accepting layer, the surface layer containing cationic inorganic particles, the inkjet recording material having a gloss in the range from 10 to 60, measured according to DIN 54502 R? (45°) (measuring angle 45°), on the side to which the at least one surface layer was applied, and the density of the inkjet recording material being greater than or equal to 0.95 g/cm3, and to a process for its production.

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 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 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: Provided is an ink jet recording medium including a substrate a porous layer containing one of a dry-process silica and an alumina hydrate and a silica layer containing spherical colloidal silica particles having a particle size of 105 nm or more and 200 nm or less. The porous layer and the silica layer are formed on the substrate in this order. The porous layer is covered by the spherical colloidal silica particles at a coverage of 40% or more and 75% or less.

Abstract: A novel recording material for the inkjet printing process has a substrate and an ink receiving layer which is applied on at least one side of the substrate, the ink receiving layer containing an inorganic pigment and an ink fixative comprising at least two substances. The first substance is a polyamine epichorohydrin and the second substance is a polyvalent metal salt. This recording material is characterized in that the first substance is a medium-molecular, branched polyamine epichlorohydrin condensation product, the ratio of the first substance to the second substance is between 3:1 and 16:1, the pigment makes up at least 80 percent by weight with a D50 particle size (Malvern) ranging from 4 ?m inclusive to 12 ?m inclusive, and the ratio of ink fixative to pigment ranges from 1:2 inclusive to 1:6 inclusive. The invention is further directed to a method for recording by the discontinuous inkjet printing process which uses the novel recording material.

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 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: 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: 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: There is disclosed an ink-jet recording material which comprises a light transmitting support, at least one ink-receptive layer provided on one surface of the support and at least one back-coating layer provided on the opposite surface of the support, wherein at least one of the back-coating layers contains inorganic fine particles having an average particle size of a primary particle of 5 to 50 nm and a binder, and a void ratio of the layer is 70% by volume or less.

Abstract: The invention relates generally to the field of inkjet recording media and inkjet printing methods. More specifically, the invention relates to a porous base layer of an inkjet recording element, the base layer comprising precipitated calcium carbonate having scalenohedral morphology.

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 inkjet recording medium comprising a resin coated sheet formed from a base paper having both sides coated with a resin, and ink receiving layers provided on both sides of the resin coated sheet as outermost layers, wherein a static friction coefficient between at least one of the ink receiving layers and a metal roller onto which wear-resistant particles are adhered is from 0.3 to 0.6.

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: 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: 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 recording element comprising, over a porous, ink-receiving layer, a fusible, porous topmost layer comprising a film-forming, hydrophobic binder and fusible, polymeric particles of a non-segmented polyurethane, or salt thereof, comprising repeat units derived from a diisocyanate and a diol component comprising a mixture of diols, said diol mixture comprising: an anionically-substituted diol selected from carboxylic acid-, sulfonic acid-, and phosphonic acid-substituted diol and an ether containing short chain aliphatic diol, wherein the polyurethane has a Tg greater than about 70° C.

Abstract: An ink jet-printing medium comprising a substrate and an ink-receptive layer which has at least one layer and is formed on at least one major surface of the substrate, in which at least one layer of the ink-receptive layer contains fibrous fine powder as a pigment in an amount of at least 20% by weight of the total weight of the whole pigment contained in the layer which contains the fibrous fine powder. This medium can be produced at a low cost and has high printing quality while suppressing the discoloration or fading of the prints.

Abstract: The present invention relates to an imaging element comprising at least one imaging layer and a support wherein the support comprises at least one layer comprising a splayant and a layered material, wherein the layered material has an aspect ratio from 20:1 and 500:1 and wherein the layered material comprises less than 10% by weight of the layer. The present invention also relates to a method of making a dimensionally stable imaging element comprising providing a support wherein said support comprises at least one layer comprising a splayant and a layered material, wherein said layered material comprises an aspect ratio of from 20:1 to 500:1 and wherein said layered material comprises less than 10% by weight of said at least one layer; and applying at least one imaging layer.

Abstract: An inkjet recording element comprising an ink-permeable microvoided substrate comprising a porous ink-receiving layer over and adjacent to an ink-permeable microvoided substrate layer comprising, in a polyester continuous phase, a polyester ionomer, wherein the microvoided substrate layer and the porous ink-receiving layer both having interconnecting voids. Also disclosed is an inkjet printing process, comprising the step of providing an ink-jet printer with such an inkjet recording element.

Abstract: There is disclosed an ink jet recording sheet which comprises a substrate and an ink accepting layer composed of at least two layers on the substrate, characterized in that the ink accepting layer comprises at least one cracked layer having cracks in lower layers other than a surface layer (the layer farthest from the substrate) and a contact layer in contact with the cracked layer, wherein part of the contact layer cuts into the cracked layer, and the cracked layer contains a hydrophobic resin (e.g. styrene-acrylics copolymer resin) as a binder, or wherein the contact layer is formed by coating with a coating solution having viscosity of at most 3000 mPa.s and a proportion of solid content in the range of 10 to 30% by weight. The above ink accepting layer is excellent in water resistance and strength of adhesion among the interlayers, whereby the ink jet recording sheet as a whole becomes excellent in scratch-abrasion resistance under wet conditions as well as image density.

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: The present invention provides microporous photo quality glossy inkjet receiving media comprising a substrate, an absorbent basecoat layer, and an ink-receptive topcoat. The absorbent basecoat layer is primarily a combination of pigment and binder, and may include deformable particles, such as core-shell polymeric pigments. The ink-receptive topcoat is composed primarily of alumina hydrate, gelatin, and a water-insoluble cationic polymer. The present invention also provides a method for increasing the gloss and surface smoothness presented by the topcoat of a printing medium by including deformable particles in an underlying basecoat followed by calendering of the printing medium. Further, the present invention provides combination matte and gloss inkjet printing media, comprising matte basecoats at least partially coated with the aforementioned ink-receptive topcoat.

Abstract: Improved macroporous ink receptor media are disclosed. An inkjet receptive media in accordance with one embodiment of the present invention comprises a web comprising a plurality of fibers and a coating overlaying at least a portion of a plurality of the fibers. In a preferred embodiment, the coating comprises a plurality of organic particles. In a preferred embodiment, the fibers define a plurality of pores. In a preferred embodiment, the web defines a plurality of macropores. The fibers of the web may be woven or non-woven. In a preferred embodiment, the web comprises a nonwoven macroporous material.

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: Ink jet printing paper carries a pigment coating comprising (a) a major proportion of a finely divided precipitated calcium carbonate (PCC) having a surface area of at least 60 m2g?1, preferably 80 to 90 m2g?1 (b) a minor proportion of a gel-type silica and (c) binder. The silica is preferably present in an amount of 15 to 30% by weight of the total dry weight of silica and PCC. The pigment coating is preferably made up as an aqueous composition having a solids content of 25 to 35% and a Brookfield viscosity of 150 to 2000 mPa s and applied by a blade coating technique.

Abstract: The present invention provides an ink-jet recording sheet having a coloring agent accepting layer which contains a dispersion containing a cationic polymer with an average molecular weight of 60,000 or lower and having a sulfate ion concentration of 1.5% by mass or lower to the cationic polymer together with a water-soluble resin; an particle dispersion obtained by further granulating a pre-dispersion obtained by pre-dispersing a solution containing at least fine particles and a cationic polymer and the pre-dispersion and/or the particle dispersion is heated at room temperature for 5 hours or longer after pre-dispersion and/or after granulating; and a coating solution for coloring agent accepting layer obtained by adding a water-soluble resin to the particle dispersion.

Abstract: The invention relates to a cationic shelled particle comprising a colloidal alumina core having a median diameter of between 20 and 2000 nm and a positive charge, a layer on the surface of said core particle having a negative charge and comprising particles of a median diameter of less than 30% of the median diameter of said core particle, and an outer layer of positive charge.

Abstract: A recording material which comprises a polymeric substrate having two surfaces, wherein one surface is coated with a sealing layer comprising a particulate polymer having a film forming temperature of between 60° C. and 160° C. and an average particle size between 1 ?m and 50 ?m together with at least one binder, and at least one ink receiving layer; and the opposite surface is coated with an adhesive layer covered by a release liner. A related printing method whereby an image printed on the recording material is heated after printing to seal the sealing layer to provide a protected surface.

Abstract: There is described a recording medium and related ink jet printing method which comprises the steps of: 1) printing onto a receiving medium which comprises a substrate coated with at least one ink receiving layer comprising polymeric particles having film forming temperatures between 60° to 140 ° C. and a binder, and 2) heating the printed image to form a stable image-protecting coating. Preferably the printed image is heated by passing through a laminator. Alternatively the printed image is heated by passing through a laminator in conjunction with a second, inert releasing sheet which is held against the top surface of the print material. The second sheet may be used to produce a particular appearance to the final image such as high gloss or a security pattern. The receiving layers of the invention provide bright images after printing and fusing which show a high level of scratch and rub resistance even when wet.

Abstract: An ink-jet recording medium is disclosed. The ink accepting layer of the recording medium contains silica dispersion containing silica particles having a ratio of a free silanol group of 1.0 to 4.5. Silica particles and silica particle dispersion are also disclosed.

Abstract: According to the present invention, in an ink-jet recording material in which at least two ink-receptive layers containing inorganic fine particles and a hydrophilic binder are provided on a support, an ink-jet recording material wherein an ink-receptive layer (A) nearer to the support contains fumed silica, and an ink-receptive layer (B) apart from the support contains alumina or alumina hydrate is provided.

Abstract: A white biaxially oriented polyester film for use as a base film for receiving an ink jet printer image and a base film for receiving an ink jet printer image which satisfy the following requirements (1) to (4): (1) the content of titanium oxide particles having an average particle diameter of 0.1 to 0.5 ?m in the polyester film is 5 to 20 wt %; (2) the polyester film has an average glossiness of 65 to 95%; (3) the polyester film has an X-ray diffraction intensity ratio (F-1/F-2) represented by the following formal (1): 0.05?F-1/F-2?0.15 (1) ?wherein (F-1) is an X-ray diffraction intensity on a plane (1{overscore (1)}0) parallel to the surface of the film and (F-2) is an X-ray diffraction intensity on a plane (100) parallel to the surface of the film; and (4) the polyester film has a static friction coefficient of 0.3 to 0.6. The base film for receiving an ink jet printer image of the present invention is excellent in adhesion, glossiness, opacifying properties and transportability.

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: The present invention relates to an imaged article comprising a substrate having a primed surface layer. The primed surface layer is comprised of a base polymer having a solubility parameter, molecular weight (Mw) and glass transition temperature within a specified range. The presence of the primer improves the overall image quality by improving at least one property including ink uptake, dot gain, color density and/or ink adhesion. Preferred primer compositions are soluble at least in part in the ink composition resulting in an increase in ink layer thickness that further improves the durability and/or day/night color balance. A variety of substrates may be primed including various sheeting for traffic control signage and commercial graphic films for advertising and promotional displays.

Abstract: Provided is an ink jet recording sheet suitable for outdoor use, the recording sheet giving rise to no blurring of an image, being provided with an ink receiving layer and a print portion having high water-resistance and excellent abrasive resistance in a wet condition while maintaining color developing ability and ink-fixing ability and having excellent color reproducibility and light resistance.

Abstract: A print medium having a heat-sealable layer comprised of a first component and a second component. The first component and the second component have different particle sizes and different glass transition temperatures. A method of producing the print medium is also disclosed. The print medium is used to produce a photographic-quality image by applying inkjet ink to the print medium. The heat-sealable layer of the print medium is sealed by exposing the layer to a temperature above the glass transition temperatures of the two components. An inkjet printer used to apply inkjet ink to the print medium may include a radiant heater.