A packaging print medium can include a cellulose-based substrate having a printing side and a back side, a fixative sizing layer on a printing side of the cellulose-based substrate, a primer layer on the back side of the cellulose-based substrate, and a hydrophobic moisture barrier including a hydrophobic polymer film on the primer layer. The fixative sizing layer can have a thickness from 0.5 μm to 15 μm and can include a multivalent metal salt and a starch sizing agent. The primer layer can have a thickness from 0.5 μm to 15 μm and can include a styrene-butadiene film. The hydrophobic moisture barrier can have a thickness from 0.5 μm to 10 μm.

A process including providing a paper substrate; disposing a water soluble precoat composition onto all or a portion of the paper substrate to provide a treated paper; applying an image onto the treated paper using a toner or an aqueous ink to provide an imaged paper; wherein the water soluble precoat composition forms a temporary barrier between the toner or aqueous ink and the paper substrate; and wherein, during a paper pulping process, the water soluble precoat composition dissolves thereby releasing the toner or aqueous ink from the paper substrate.

The invention refers to a method to produce a packaging material comprising the steps of; treating at least one surface of a paperboard substrate with a binder and with a metal salt, printing at least a part of said treated surface with ink, and applying at least one polymer layer on said printed surface. The packaging material produced in accordance with the invention shows good printability and simultaneously good adhesion of the applied polymer layer.

A method is provided for manufacturing a printed paper layer. The method may involve providing the paper layer with a printed pattern. Providing the printed pattern may involve depositing water based inks using a digital inkjet printer. The water based inks may be pigment containing inks. The dry weight of the deposited pigment containing inks may be lower than 9 grams per square meter. The paper layer may include an inkjet receiver coating, such that the inks are deposited on the inkjet receiver coating. The paper layer may have a mean air resistance according to the Gurley method (Tappi T460) of below 30 seconds.

The present disclosure is drawn to coated print media, a method of preparing print media, and a printing system. The coated print media can comprise a substrate and a coating applied to the substrate. The coating can include, by dry weight, 5 wt % to 60 wt % of a polymeric binder having a Tg below 50 C, 10 wt % to 60 wt % of cationic latex having a Tg from 50 C to 130 C, 5 wt % to 30 wt % of a multivalent cationic salt, and 2 wt % to 25 wt % of a high density polyethylene wax.

The present invention relates to inkjet printable twist and/or fold wrap film for packaging applications, to inkjet printed twist and/or fold wrap film for packaging applications, to packaging including said inkjet printable or inkjet printed twist and/or fold wrap film, the use of the inkjet printable or inkjet printed twist and/or fold wrap film for as well as to the method of making a filled packaging.

The invention relates to an aqueous coating composition of nano cellulose (e.g., microfibrillated cellulose), characterized in that has a dry matter concentration of 2%-12% of nano cellulose and comprises at least one cationic surfactant, which may be chosen among Hexadecyltrimethyl-ammonium bromide, Octadecyltrimethyl-ammonium bromide, Hexadecylpyridinium chloride and Tetradecyl trimethyl-ammonium bromide, Dodecyl pyridinium chloride. The invention also pertains to use of the composition as a coating layer and as an oxygen barrier layer. Further it relates to substrates, e.g., board, cardboard or paper coated with the composition. Moreover, the invention pertains to a process for preparing the coating composition.

The present disclosure is drawn to a coated print medium, a method of preparing a print medium, and a printing system. The coated print medium can comprise a substrate and a coating applied to the substrate. The coating can comprise, by solids or dry weight, 5 wt % to 30 wt % of a polymeric binder, 20 wt % to 50 wt % of a cationic latex, 5 wt % to 15 wt % of a multivalent cationic salt, and 1 wt % to 20 wt % of a sulfonic acid- or sulfonate-containing stilbene optical brightener.

A fabric printable medium comprising a fabric base substrate, with an image-side and a back-side, having a water proofing treatment including a water-repellant agent applied thereto; an adhesion promoting layer, applied to the image-side of the fabric base substrate, comprising a polymeric compound and a physical networking component; an ink-receiving coating layer over the adhesion promoting layer, comprising a first and a second crosslinked polymeric network; and a barrier layer applied to the back-side of the fabric base substrate, comprising polymeric binders and filler particles with flame retardancy properties. Also disclosed are the method for making such fabric print medium and the method for producing printed images using said material.

The invention relates to a thermal sublimation paper which can be printed with inks containing a sublimatable dye, in particular ink-jet inks, in which paper a hydrophilic thermal transfer layer to be printed is formed on a porous base paper. Thermoplastic particles with an average particle size of between 0.3 and 5 μm and a melting point of between 35° C. and 190° C. are present in the thermal transfer layer. This thermal sublimation paper can be advantageously produced as follows: an aqueous coating slip is applied to a porous base paper having a Cobb value of between 55 and 150 g/m.sup.2, in particular between 70 and 150 g/m.sup.2, in a paper-making or coating machine, online or offline, said aqueous coating slip containing thermoplastic particles and constituents suitable for forming a hydrophilic thermal transfer layer, and a drying step is subsequently carried out in order to obtain the thermal sublimation paper. The thermal sublimation paper can be used advantageously to mint flat materials, in particular films and textiles.