Abstract: An inkjet printable medium includes an opaque substrate having I(x)/I0 equal to or less than 0.05, wherein I(x) is an intensity of light remaining at a distance x, where x is the distance that light travels through the substrate, and wherein I0 is an initial intensity of light at x=0. The substrate includes at least two non-woven paper layers; and an adhesive, opacity enhancing layer disposed between the at least two non-woven paper layers, the adhesive layer including a visible light-blocking dye or pigment. An image receiving layer is coated on the substrate. The substrate has a basis weight ranging from about 100 gsm to about 500 gsm.

Abstract: Embodiments provide treated print media, treatment compositions, and methods for forming treated print media. In some embodiments, a treated print medium may include a substrate and a treatment layer on the substrate, the treatment layer including microfibrils and an ink-fixing agent. Other embodiments are described and claimed.

Abstract: A post-treatment solution for digital inkjet printing includes polymer particulates having a minimum film-forming temperature that is at least 50° C., a film-forming agent, and a liquid carrier. The film-forming agent is selected from the group consisting of citrate compounds, sebacate compounds, ethoxy alcohols, glycol oligomers, glycol polymers, glycol ether, glycerol acetals, and cyclic amides. A print medium, printing method, and printing system are also disclosed herein.

Abstract: The instant disclosure relates to a surface coating composition for inkjet media, including: a binder including at least one of water soluble polymers, water dispersible polymers, or combinations thereof; a pigment including at least one of low surface area inorganic pigments, organic pigments, porous inorganic pigments, or combinations thereof; an optical brightening agent; a metallic salt; and a chemical chelant.

Abstract: A photo media may comprise a substrate, the substrate having an image receiving side and a non-image receiving side, an extruded barrier layer disposed on the non-image receiving side of the substrate, and a laminate layer disposed on the image receiving side of the substrate after an ink layer is printed. The photo media may further comprise an image receiving layer disposed on the image receiving side of the substrate between the substrate and the laminate layer.

Abstract: An uncoated recording medium includes a blend of hardwood and softwood chemical pulp fibers, and thermomechanical pulp (TMP) fibers, with total fiber content at least 80 wt % of the medium's total wt %. Hardwood fibers range from about 20 wt % to about 70 wt %, softwood fibers range from about 30 wt % to about 50 wt %, and TMP fibers range from about 10 wt % to about 30 wt %, all relative to the total fiber content. A TiO2 amount ranges from about 1.5 wt % to about 6 wt % of the total wt %, and a bivalent or multivalent salt amount ranges from about 6,000 to about 16,000 ?g/gram of the medium. The basis weight ranges from about 45 g/m2 to about 63 g/m2.

Abstract: Examples of a printable medium are disclosed herein. In one example, the printable medium includes an opaque substrate that is substantially free of polyvinyl chloride (PVC). The substrate includes a fabric core having I(x)/I0 equal to or less than 0.005, wherein I(x) is an intensity of light remaining at a distance, x, where x is the distance that light travels through the substrate, and wherein I0 is an initial intensity of light at x=0. The substrate further includes a discrete barrier layer disposed on the fabric core. The barrier layer includes a copolymer of ethylene and vinyl acetate having a polyethylene-to-vinyl acetate ratio ranging from about 20:1 to about 9:1. The printable medium further includes a tie layer coated on the discrete barrier layer, and an image receiving layer coated on the tie layer.

Abstract: The present disclosure provides recording media and related methods. A recording media for printing can comprise a base paper and a backside extruded polyethylene layer on a side of the base paper. The backside extruded polyethylene layer can include a filler and an organic reagent admixed in the extruded polyethylene layer, wherein the filler and organic reagent are present in the backside extruded polyethylene layer in an amount of 20% by weight to 50% by weight based on the total weight of the backside extruded polyethylene layer.

Abstract: The present invention provides for a print media comprising an image receiving layer comprising a latex ink film-forming aid. The present invention also provides for a method of forming an image using a latex ink and a print media coated with an image receiving layer comprising a latex ink film-forming aid. The present invention also provides for a printed product comprising a latex ink printed on a print media comprising an image receiving layer comprising a latex ink film-forming aid.

Abstract: In one example, a print medium includes pigment particles sized less than a hundred nanometers and frictional control additives. An undercoating is disposed between the base material and top coating. The undercoat includes a first sub-layer comprising a pigment fixative agent and a second sub-layer comprising a dye fixative agent The top coating forms a protective and low friction coating over the undercoating.

Abstract: The present disclosure is drawn to coated media substrates, as well as related systems and methods. In one example, a coated media substrate for inkjet ink printing can comprise an ink-receiving layer coated on at least one side of a substrate, and can be formulated for accepting an inkjet ink composition. The ink-receiving layer can comprise an optical brightening agent, an organic acid salt, a binder, a pigment, and a low-molecular weight polymeric carrier having a weighted average molecular weight less than 50,000 Mw.

Abstract: A graphics medium may have an ink receiving layer with at least fifty percent hyrogel by weight and an opacity control layer with a polymer embedded with at least one filler material.

Abstract: Described herein is a composition that can be used for treating media. The composition includes an organosilane treated water dispersible organic acid salt, a water soluble organic acid salt, a chelating agent, and an optical brightening agent.

Abstract: A method of producing inkjet media (170) includes dissolving heptahydrate epsomite in a coating solution comprising at least one surface sizing additive, coating at least one side of a substrate with the coating solution to produce the inkjet media (170). An inkjet medium (170) includes a substrate (172) and a coating layer (174) comprising heptahydrate epsomite deposited on a first side of the substrate, the coating layer (174) having a substantially uniform distribution of heptahydrate epsomite throughout its volume.

Abstract: A recording media containing a raw base wherein said media encompasses, on its image side, a pigmented pre-coating layer and a non-polyolefin barrier coating and, on its backside, a polymeric barrier layer. Also disclosed is a method of making such recording media and methods of forming photographic printed images on said recording media.

Abstract: A graphic medium and a method of making same employs a paper core having a normalized opacity within a range of about 0.15 to about 0.4 percent/grams per square meter. The graphic medium includes a first material layer on a first side of the paper core and a second material layer on one or both of the first side between the paper core and the first material layer and a second, opposite side of the paper core. The graphic medium has a translucent opacity between about 40% and about 90%. The method includes mechanically refining a mixture of wood fibers until a paper substrate is formed having the normalized opacity. The paper substrate is calendered using a paper making machine and the first and second material layers are applied to form the graphic medium.

Abstract: In one example, an inkjet media includes a substrate layer with cellulose fibers, synthetic fibers, and a polymeric binder. A barrier layer is disposed on at least one side of the substrate layer, the barrier layer including pigment fillers and at least 30 percent by weight of a polymer resin.

Abstract: A high gloss photo media that has a gloss at 20 degrees equal to or greater than 40% includes a photo media substrate that includes a gloss-enhancement film on a front side of a photo base material. A curl control material is on a back side of the photo base material opposite the front side. The gloss-enhancement film being a multilayer that includes an adherent layer and a layer of one of a polyester composition and a polypropylene composition. A thickness of the gloss-enhancement film is at least 20 microns. The high gloss photo media further includes an image receiving layer on the gloss-enhancement film.

Abstract: A method for surface treatment of a paper substrate and a paper product produced therefrom are disclosed herein. The surface treatment method includes applying a salt-containing solution to at least one surface of a paper substrate by aerosol spraying in a separate step, whereby the salt distribution through the thickness of the treated paper substrate is non-uniform with the highest concentration of salt being present in the outermost portion of the paper substrate. The salt-containing solution contains at least one water-soluble metal salt and is void of any optical brightening agent (OBA).

Abstract: A post-treatment solution for digital inkjet printing includes a thermoplastic material having a melting temperature ranging from about 40° C. to about 250° C., a binder, and a liquid carrier. The thermoplastic material and the binder are present in a weight ratio ranging from 100:1 to 1:1. A print medium, printing method, and printing system are also disclosed herein.