Abstract: An ink jet recording element having a support having thereon a fusible, porous, image-receiving layer of at least two types of hydrophobic polymer particles having different glass transition temperatures, the first type of hydrophobic polymer particles having a Tg higher than about 60° C. that is substantially monodisperse and the second type of hydrophobic polymer particles having a Tg lower than about 25° C.

Abstract: The invention provides an aqueous dispersion comprising fumed silica particles, colloidal silica particles, and water. The fumed silica particles have a BET surface area of about 70 to about 140 m2/g, and the colloidal silica particles have a BET surface area of about 110 to about 150 m2/g. Also, the total amount of silica in the dispersion is about 35% to about 60% by weight, and the fumed silica particles comprise about 25% to about 80% by weight of the total amount of silica in the dispersion. The invention also provides a coating composition and a recording medium incorporating the inventive dispersion.

Abstract: The present invention describes a transfer system of images produced by an ink jet printer to a textile substrate, comprising a backing and mounted thereon at least one melt transfer ink absorption layer with a matrix comprising at least one meltable polymer material into which fine particles of a filler capable of ink absorption have been embedded.

Abstract: An ink-jet recording material comprising a support material and at least a lower and an upper pigment-containing layer wherein the pigment of the upper layer is present in two particle size distributions (A, B) and one particle size distribution (A) is in the range of 10 to 100 nm and the other particle size distribution (B) is in the range of 1,000 to 3,000 nm, and wherein the pigment of the upper layer is different from the pigment of the lower layer and wherein the average particle size of the pigment of the upper layer is different from the average particle size of the pigment of the lower layer.

Abstract: An ink-jet recording paper is disclosed. The ink-jet recording paper has a support and a porous ink receiving layer comprising fine filler particles having an average particle diameter of from 5 to 100 nm, and the ink receiving layer contains a polymer particle dispersion of a cationic or nonionic polymer having a glass transition point of from ?30° C. to 40° C. and an average particle diameter of from 1 nm to 50 nm.

Abstract: An ink-jet paper is disclosed. The ink-jet paper has an ink receiving layer and a porous layer on the first ink absorption porous layer and the ink absorption porous layer contains organic fine particles which contains a polymer containing a repeating unit represented by Formula 1 as a copolymer constituent in a ratio of not less than 5% by weight and has a glass transition point Tg of not less than 70° C.

Abstract: An ink jet recording material is constituted by a support and a recording layer on the support, in which a plurality of recording layer may be provided. At least one recording layer contains colloidal particles and a water-soluble resin. In order to produce the ink jet recording material, a sticking or adhesive interlayer is provided on a support, and a recording layer including at least one layer is superposed on the interlayer. At least one of the at least one layer of the recording layer contains colloidal particles and a water-soluble resin, and the recording layer is coated and formed on a forming material. Then, the forming material is peeled from said recording layer.

Abstract: An ink jet recording medium comprising a water-impermeable substrate, a first porous layer formed on the substrate, and a second porous layer formed on the first porous layer, wherein the psychometric lightness (L*) at a black solid printed portion with a black dye ink is at most 5.0.

Abstract: There are disclosed an ink-jet recording material comprising a support, and an ink-receptive layer provided on the support, wherein the ink-jet recording material contains at least one compound selected from a carbohydrazide compound in which at least one nitrogen atom at 1-position and 5-position is substituted by two substituents other than a hydrogen atom and a compound having a 4-oxysemicarbazide structure, and ink for ink-jet recording comprising at least one of the above-mentioned compound.

Abstract: High gloss ink jet recording media are produced without need for calendering or supercalendering. The media are comprised of a substrate, such as paper, an ink carrier vehicle absorptive coating on the substrate and an ink-receptive coating overlying the absorptive coating. The absorptive coating is made up in major part of a pigment component that is comprised in major part, i.e., 60-100%, and preferably 100%, of calcined clay. The absorptive coating is applied to the substrate at a thickness sufficient to provide a smooth and level surface. The ink receptive coating is porous and made up of constituents that provide requisite ink holdout and print quality functions and that, when applied to the absorptive coating, also provide a high gloss print surface without calendering or supercalendering. The recording media have exceptionally quick ink drying times and provide excellent high-gloss print quality.

Abstract: An ink-jet recording sheet comprising a support and an ink-absorbable layer is disclosed. The ink-absorbable layer is a void layer containing fine inorganic particles having a dispersion degree of no more than 2 and a hydrophilic binder. The ink-jet recording sheet has a specular gloss specified by JIS Z8741, of at least 20 percent at 60 degrees of the surface of said ink absorbable layer, and exhibits the specular gloss such that 60-degree specular gloss of an ink-recorded part is 3 percent more than that of a nonink-recorded part.

Abstract: An ink jet recording element having a support having thereon a porous image-receiving layer with at least 30% by weight of particles and at least 30% by weight of a binder, the particles being a mixture of a) silica gel particles having an average particle size of greater than about 9 &mgr;m in diameter; and b) silica gel particles having an average particle size of between 1 and about 8 &mgr;m in diameter; wherein the ratio of the a) silica gel particles to the b) silica gel particles is from about 0.5 to about 5.

Abstract: An ink-jet recording sheet comprising a first porous layer at the outermost position of the ink-jet recording sheet, wherein the ink-jet recording sheet satisfies the following Formula (1), when an aqueous solution, which comprises a water-soluble alcohol-type organic solvent having an SP value in an range of from 18.414 to 30.69 (MPa)½ and a boiling point of not less than 120° C. in an amount of from 10 to 40%, is provided to the surface of the ink-jet recording sheet in an amount of 20 ml/m2, Vc/Vd≦0.4  Formula (1) wherein each of Vc and Vd represents a water transition amount of a first area, where the aqueous solution is provided, and a second area, where the aqueous solution is not provided, respectively, during a contact time of 0.8 seconds when the recording material is subjected to Bristow's Measurement.

Abstract: An ink jet recording element comprising a support having thereon an image-receiving layer having: (a) inorganic particles having a primary particle size of from about 7 to about 40 nm in diameter which may be aggregated up to about 500 nm; (b) colloidal particles having a mean particle size of from about 20 to about 500 nm; and (c) water-insoluble, cationic, polymeric particles having at least about 20 mole percent of a cationic mordant moiety.

Abstract: A recording medium for ink jet printing comprises a base material layer such as paper or plastic sheet, a porous lower layer formed on the base material layer, and a porous upper layer formed on the porous lower layer. The porous lower layer contains hydrated alumina showing a boehmite structure. The porous upper layer mainly comprises agglomerates of spherical silica particles with particle diameters ranging between 1 and 100 nm and a binder and contains voids mainly found between the agglomerates, not within the agglomerates. Preferably, a second type of spherical silica particles having smaller particle diameters than the above first type of spherical silica particles are also contained in the porous upper layer, and in this case, the first type particles have particle diameters ranging between 10 and 100 nm and are mostly found outside the agglomerates, while the second type particles have particle diameters ranging between 1 and 10 nm and are mostly found within the agglomerates.

Abstract: A porous ink jet recording element having a support having thereon an image-receiving layer having: (a) inorganic particles having a primary particle size of from about 7 to about 40 nm in diameter which may be aggregated up to about 500 nm; (b) colloidal particles having a mean particle size of from about 20 to about 500 nm; (c) water-insoluble, cationic, polymeric particles having at least about 20 mole percent of a cationic mordant moiety; and (d) inorganic particles encapsulated with an organic polymer having a Tg of less than about 100° C.

Abstract: An ink jet recording element comprising a support having thereon a porous image-receiving layer comprising at least about 50% by weight of particles and less than about 20% by weight of a binder, the particles comprising a mixture of (a) inorganic particles having a primary particle size of from about 7 to about 40 nm in diameter which may be aggregated to provide a mean aggregate particle size of up to about 500 nm; and (b) colloidal particles having a mean particle size of from about 20 to about 500 nm; and wherein the difference between the mean aggregate particle size of the (a) inorganic particles and the mean particle size of the (b) colloidal particles is within about 10%.

Abstract: An inkjet recording element comprising a support having thereon a porous image-receiving layer comprising: (a) particles having a primary particle size of from about 7 to about 40 nm in diameter which may be aggregated up to about 300 nm; and (b) water insoluble, cationic, polymeric particles comprising at least about 20 mole percent of a cationic mordant moiety.

Abstract: A coating composition comprising a relatively low alkali-containing colloidal silica and glossy ink jet recording sheets prepared from such coatings is described. The coating comprises binder and colloidal silica, e.g., having an average particle size in the range of about 1 to about 300 nanometers. The low alkali colloidal silica of this invention comprises ammonia, polydispersed colloidal silica, or both. Polydispersed silicas having a particle size distribution such that the median particle size is in the range of 15 to 100 nanometers and 80% of the particles span a range of at least about 30 to about 70 nanometers are preferred. It has been discovered that coatings prepared from such colloidal silica and applied to conventional ink jet recording sheet supports have a specular gloss of at least 30 at 60° C., and excellent printability at silica solids to binder solids ratio of 1:1 or greater.

Abstract: An ink-jet recording material comprising a support material and at least a lower and an upper pigment-containing layer wherein the pigment of the upper layer is present in two particle size distributions (A, B) and one particle size distribution (A) is in the range of 10 to 100 nm and the other particle size distribution (B) is in the range of 1,000 to 3,000 nm, and wherein the pigment of the upper layer is different from the pigment of the lower layer and wherein the average particle size of the pigment of the upper layer is different from the average particle size of the pigment of the lower layer.