Abstract: An ink jet recording sheet comprising a non-water absorptive support having thereon an ink absorptive layer comprising polyvinyl alcohol, a cationic polymer, and a compound containing a zirconium or aluminum atom other than zirconium oxide and aluminum oxide, wherein a surface pH of the ink absorptive layer is 4 to 6 measured 30 minutes after receiving a water based ink of pH range 6 to 9 jetted from an ink jet printer in an amount of 20 ml/m2.

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: A recording medium having a non-sized single-layer fibrous structure which is composed mainly of a fibrous material and contains no filler and employing a face of the single-layer fibrous structure as an ink-receiving face, wherein alumina hydrate of a boehmite structure and a cationic resin are present at least near the surface of the fibrous material.

Abstract: Media coatings for use on substrates for ink jet printing include a cationically modified clay, a cationically modified silica and a binder. Alternatively, the media coatings also include additional additives. The ratio of cationically modified clay to cationically modified silica varies in the coating formulation from about 1% to about 99%. Desirably, the ratio of the cationically modified clay to cationically modified silica varies from about 10% to about 50%. More desirably, the ratio of cationically modified clay to cationically modified silica varies from about 25% to about 35%. The ratio of the total cationically modified clay and cationically modified silica to binder varies from about 20% to about 80%. Desirably, the ratio of the total cationically modified clay and cationically modified silica to binder varies from about 65% to about 75%.

Abstract: An ink jet recording element having a support having thereon the following layers in order: a) a base layer having a polymeric binder and a polymeric mordant; and b) an overcoat layer having a polymeric UV-absorbing material.

Abstract: An ink jet recording sheet comprising a support having thereon a porous ink absorptive layer comprising inorganic particles, polyvinyl alcohol, at least two cationic polymers having a quarternary ammonium salt group in the molecule, and a compound containing a zirconium atom or an aluminum atom other than zirconium oxide and aluminum oxide.

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 coating fluid for forming a coating on a support for use in printing comprises an aqueous liquid having dispersed therein (a) from 2 to 50% of an inorganic oxide selected from aluminum oxide and silica the % being by weight based on the combined weight of aqueous liquid and inorganic oxide and (b) from 1 to 50% by weight based on the weight of oxide (a) of a composition comprising a polymer containing negatively charged groups and a cationic surfactant. The composition may be formed from a polymer containing maleic acid units and a surfactant containing a quaternary nitrogen atom. The polymer may be a copolymer obtained by copolymerizing a maleic acid containing monomer with another ethylenically unsaturated monomer or monomers and where the molar ratio of maleic acid containing monomers to other monomers is from 1:1 to 1:5.

Abstract: An ink jet recording element comprising a substrate having thereon a porous image-receiving layer having a) organic particles encapsulated with an organic polymer having a Tg of less than about 100° C.; and b) water-insoluble, cationic, polymeric particles.

Abstract: An ink jet printing method having the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with ink jet recording element having a substrate having thereon a porous image-receiving layer of a) organic particles encapsulated with an organic polymer having a Tg of less than about 100 ° C.; and b) water-insoluble, cationic, polymeric particles; C) loading the printer with an ink jet ink composition; and D) printing on the image-receiving layer using the inkjet ink composition in response to the digital data signals.

Abstract: Waterfast coating compositions which are comprised of a blend of a dye fixative and a dispersion of metal oxide particles to form a water-insoluble complex. The ink recording sheets comprise a composition that is absorbed into the surface of the substrate as a sizing material, or alternatively, forms a continuous layer on the substrate. The present invention also encompasses methods for making the ink jet receiving sheets.

Abstract: An ink jet coating composition comprising a blend of silicas, a blend of super and/or fully and partially hydrolyzed polyvinyl alcohols, and a cationic resin is provided, where ink jet recording materials prepared from such compositions demonstrate a balance of properties including improved imaging performance and good water resistance.

Abstract: A coating composition for an ink jet recording medium comprises an aqueous suspension of absorptive silica pigment, a polyvinyl alcohol binder, and a cationic fixing agent. The composition is dispersed at pH values in the range of 4.0 to 7.0. The pigment is preferably a mixture of 75% or more silica gel having a pore volume of 0.5-1.5 cc/g, and 10% or more alumina or alumina hydrate. A method for making down the coating composition and applying it to a substrate is also disclosed.

Abstract: An image recording element for inkjet ink images comprises, in the following order, a support, an absorbent base layer; and, a top layer which is ink receptive and comprises one or more hydrophilic polymers, gelatin, a crosslinking agent for gelatin and a humectant.

Abstract: It is an object of the present invention to provide an ink jet recording sheet which has high glossiness of the recording surface and is free from the bleeding of an image with time even under high temperature and humidity. Also, the recording sheet can avoid the occurrence of cracks, is strong, possesses high ink-absorbing ability, and can form an image with high light resistance and water resistance. The ink jet recording sheet comprises a polymer which contains a quaternary ammonium base in its molecule, of which the ratio of inorganicity/organicity (I/O value) calculated based on an organic conceptual diagram is 1.0 or less and the cation density (meq/g) is 3.0 or less, and which is soluble in at least one of water and an organic solvent.

Abstract: An ink jet recording element comprising a substrate having thereon an image-receiving layer comprising an inorganic, anionic pigment, an organic, anionic binder, an organic, cationic mordant and thermoplastic polymer particles.

Abstract: An ink jet recording element comprising a substrate having thereon an image-receiving layer comprising an inorganic, anionic pigment, an organic, anionic binder and an organic, cationic mordant.

Abstract: The present invention is directed to a multilayer article comprising a substantially water-resistant, coated, microporous substrate connected to a substantially nonporous material. Further, the present invention is directed to a process for producing the multilayer article. The multilayer article and method of the present invention is especially useful for an ink jet recordable substrate and printing on said substrate.