Abstract: The present disclosure provides pre-treatment compositions and related methods. As such, a pre-treatment coating composition can include an evaporable liquid vehicle and a pre-treatment coating matrix. The pre-treatment coating matrix can include from 5 wt % to 40 wt % multivalent metal salt, and from 5 wt % to 20 wt % coalescent latex binder comprising styrene-butadiene rubber, polyurethane, or mixture thereof. The composition can further include from 30 wt % to 80 wt % high Tg latex having a Tg greater than 80° C., from 0.5 wt % to 20 wt % water soluble binder, and from 3 wt % to 20 wt % wax having a melting point greater than 120° C. The weight percentages of the pre-treatment coating matrix exclude the evaporable liquid vehicle content.

Abstract: 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.

Abstract: A printable recording media containing a substrate and a coating layer including a mixture of a first polymer selected from the group consisting of a polymer comprising ethylene residues and vinyl alcohol residues and a polymer comprising vinyl alcohol residues and a second polymer comprising ethylene residues, ethyl acrylate or acrylic ester residues and maleic anhydride residues wherein the amount of first polymer, in the mixture, is about 50% to about 95% by weight. Also disclosed herein is a method for making such printable recording media.

Abstract: The present disclosure is drawn to primer compositions, which can include a binder including polyvinyl alcohol, starch nanoparticles, and a polyurethane dispersion. The primer competitions can also include a cationic salt and water.

Abstract: The present disclosure is drawn to primer compositions, which can include a polyvinyl alcohol, a cationic salt, and water. The polyvinyl alcohol can have a weight average molecular weight from about 50,000 Mw to about 250,000 Mw. The cationic salt can be present in an amount of at least 15 wt % of all dry components of the primer composition. The polyvinyl alcohol and cationic salt together can make up at least 30 wt % of all dry components of the primer composition.

Abstract: The present disclosure provides a print medium, a printed article, and a method of printing. The print medium can include a thin paper substrate having weight ranging from 40 GSM to 150 GSM, and a pre-treatment coating applied to the thin paper substrate at a weight ranging from 0.3 GSM to 15 GSM. The pre-treatment coating can include from 10 wt % to 80 wt % of a fixer, from 3 wt % to 50 wt % of a latex polymer, and from 5 wt % to 50 wt % of a water holding agent.

Abstract: A building platform substrate for 3D printing in a Fused Filament Fabrication (FFF) 3D printer is disclosed. The platform substrate includes a paper layer that is re-pulpable in water, a water-soluble top coat layer on one side of the paper layer, a water-soluble adhesive layer on an other side of the paper layer, and a lay flat release liner on an exposed surface of the adhesive layer. A 3D printer having a removable Z-axis platen for accepting the building platform substrate and a method of manufacturing the platform substrate are also disclosed.

Abstract: 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 dry weight percent, 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 an optical brightener; and 5 wt % to 20 wt % of a cationic polyamine.

Abstract: The present disclosure is drawn to sizing compositions, which can include 25 wt % to 80 wt % starch based on dry components, 15 wt % to 60 wt % cationic multivalent salt based on dry components, and an organic additive. The organic additive can be a water-swellable polymer having a weight average molecular weight ranging from 150,000 Mw to 1,000,000 Mw, a wax, or both the water-swellable polymer and the wax.

Abstract: 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 dry weight percent, 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 an optical brightener; and 5 wt % to 20 wt % of a cationic polyamine.

Abstract: 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 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, 1 wt % to 20 wt % of an optical brightener, and 1 wt % to 10 wt % of an anti-quenching agent selected from the group consisting of a sulfonated diphenyloxide, polyvinyl pyrrolidone, and combination thereof. In this example, if the polymeric binder is polyvinyl pyrrolidone, the anti-quenching agent is the sulfonated diphenyloxide.

Abstract: The present disclosure is drawn to primer compositions, which can include a polyvinyl alcohol, a cationic salt, and water. The polyvinyl alcohol can be present in an amount of at least 8 wt % of all dry components of the primer composition. The cationic salt can be present in an amount of at least 15 wt % of all dry components of the primer composition. The polyvinyl alcohol and cationic salt together can make up at least 30 wt % of all dry components of the primer composition.

Abstract: The present disclosure is drawn to primer compositions which can include a binder including polyvinyl alcohol, starch nanoparticles, and a polymer latex dispersion. The primer competitions can also include a wax, a cationic salt, and water.

Abstract: Described herein is a media composition. The media composition includes a substrate and an ink receiving layer that includes binder that includes an ethylene-vinyl alcohol co-polymer with a glass transition temperature of 75 degrees Celsius or less, a melting point temperature of 175 degrees Celsius or less, and/or a crystallization temperature of 150 degrees Celsius or less. The ink receiving layer can be applied to a substrate using extrusion techniques.

Abstract: A printable recording media containing a substrate and an ink receiving layer including an aqueous mixture of about 50 to about 99 wt % of an UV curable polyurethane dispersion and about 1 to about 50 wt % of a photo-initiator by total dry weight of said ink receiving layer. Also disclosed herein a method for making the printable recording media.

Abstract: 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.

Abstract: 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.

Abstract: 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 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, 1 wt % to 20 wt % of an optical brightener, and 1 wt % to 10 wt % of an anti-quenching agent selected from the group consisting of a sulfonated diphenyloxide, polyvinyl pyrrolidone, and combination thereof. In this example, if the polymeric binder is polyvinyl pyrrolidone, the anti-quenching agent is the sulfonated diphenyloxide.

Abstract: 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 dry weight percent, 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 an optical brightener; and 5 wt % to 20 wt % of a cationic polyamine.

Abstract: A printable recording media containing a substrate and a coating layer including a mixture of a first polymer selected from the group consisting of a polymer comprising ethylene residues and vinyl alcohol residues and a polymer comprising vinyl alcohol residues and a second polymer comprising ethylene residues, ethyl acrylate or acrylic ester residues and maleic anhydride residues wherein the amount of first polymer, in the mixture, is about 50% to about 95% by weight. Also disclosed herein is a method for making such printable recording media.