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: An ink fixative solution including a polyvalent metal salt; a wax; a dispersing agent; and water in an amount to provide from about 10% to about 35% solids content in the ink fixative solution is disclosed

Abstract: The present disclosure is drawn to sizing compositions, which can include 40 wt % to 85 wt % starch based on dry components, 10 wt % to 40 wt % cationic multivalent salt based on dry components, and 1 wt % to 15 wt % inorganic pigment selected from a calcium carbonate, a swellable clay, or combination of the calcium carbonate and the swellable clay.

Abstract: A print pre-treatment module is provided for printing an ink on a PVC print medium from a printer. The PVC print medium may have exudates on the surface. The pre-treatment module includes an impermeable material in rubbing contact with the PVC print medium, which is supported on a media roller conveying the print medium. Also disclosed herein are a printer incorporating the module and a method for reducing print defects on the PVC print medium.

Abstract: The present disclosure provides recording media and methods. In one example, a light weight media sheet for high speed printing can comprise a paper substrate having a basis weight of less than 100 gsm; a first flatness control layer applied directly to a first side of the paper substrate, the first flatness control layer having a coating weight from 1 to 15 gsm, wherein the first flatness control layer comprises a polymer selected from the group consisting of a polyvinyl alcohol, a polyamide, a polyimide, a polyethylene oxide, a polyvinyl pyrrolidone, a cellulose, a starch, an acrylate, copolymers thereof, and mixtures thereof; and a first ink-receiving layer applied directly to the first flatness control layer, the first ink-receiving layer having a coating weight from 1 to 40 gsm, where the light weight media sheet has a total basis weight from 40 to 150 gsm.

Abstract: An ink fixative solution including a polyvalent metal salt; a wax; a dispersing agent; and water in an amount to provide from about 10% to about 35% solids content in the ink fixative solution is disclosed

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 sizing compositions, which can include 40 wt % to 85 wt % starch based on dry components, 10 wt % to 40 wt % cationic multivalent salt based on dry components, and 1 wt % to 1 5 wt % inorganic pigment selected from a calcium carbonate, a swellable clay, or combination of the calcium carbonate and the swellable clay.

Abstract: A print pre-treatment module is provided for printing an ink on a PVC print medium from a printer. The PVC print medium may have exudates on the surface. The pre-treatment module includes an impermeable material in rubbing contact with the PVC print medium, which is supported on a media roller conveying the print medium. Also disclosed herein are a printer incorporating the module and a method for reducing print defects on the PVC print medium.

Abstract: A lightweight digital printing medium has a basis weight of less than 100 grams per square meter and includes a base paper. The base paper includes a fiber mixture of hardwood pulp and softwood pulp where at least 5% by weight of total fiber in the fiber mixture is bleached, chemi-thermo-mechanical pulp. An internal sizing agent for neutral or alkaline conditions and a wet-strength agent that is a thermosetting resin are mixed with the fiber mixture. An amount of the wet-strength agent added to the fiber mixture is at least 0.1% total dry weight of the base paper.

Abstract: An inkjet printing media, comprising a coating layered on at least one side of the media, the coating comprising a source of polyvalent ions and a latex binder that forms a coherent film in the presence of the polyvalent ions. A coating comprising calcium 2+ ions (Ca2+) and a latex binder that forms a coherent film in the presence of the calcium 2+ ions (Ca2+). A print media coating comprising: a source of polyvalent ions; and a latex binder that forms a coherent film in the presence of the polyvalent ions.

Abstract: A lightweight digital printing medium has a basis weight of less than 100 grams per square meter and includes a base paper. The base paper includes a fiber mixture of hardwood pulp and softwood pulp where at least 5% by weight of total fiber in the fiber mixture is bleached, chemi-thermo-mechanical pulp. An internal sizing agent for neutral or alkaline conditions and a wet-strength agent that is a thermosetting resin are mixed with the fiber mixture. An amount of the wet-strength agent added to the fiber mixture is at least 0.1% total dry weight of the base paper.

Abstract: The present disclosure provides recording media and methods. In one example, a light weight media sheet for high speed printing can comprise a paper substrate having a basis weight of less than 100 gsm; a first flatness control layer applied directly to a first side of the paper substrate, the first flatness control layer having a coating weight from 1 to 15 gsm, wherein the first flatness control layer comprises a polymer selected from the group consisting of a polyvinyl alcohol, a polyamide, a polyimide, a polyethylene oxide, a polyvinyl pyrrolidone, a cellulose, a starch, an acrylate, copolymers thereof, and mixtures thereof; and a first ink-receiving layer applied directly to the first flatness control layer, the first ink-receiving layer having a coating weight from 1 to 40 gsm, where the light weight media sheet has a total basis weight from 40 to 150 gsm.

Abstract: A printable recording media containing and a coating layer including an acrylic resin latex binder; and a mixture of: about 10 to about 90 wt % of a first pigment including precipitated calcium carbonate particles, about 5 to about 60 wt % of a second pigment having a larger size and a different shape than the first pigment particles, and about 1 to about 50 wt % of a third pigment having a surface area of at least 50 m2/gram, wherein the weight percentages are by combined weight of the first, second and third pigments by total dry weight of the coating layer. Also described herein are a method for making said printable recording media and a method for producing printed images using the recording media.

Abstract: An inkjet printing media, comprising a coating layered on at least one side of the media, the coating comprising a source of polyvalent ions and a latex binder that forms a coherent film in the presence of the polyvalent ions. A coating comprising calcium 2+ ions (Ca2+) and a latex binder that forms a coherent film in the presence of the calcium 2+ ions (Ca2+). A print media coating comprising: a source of polyvalent ions; and a latex binder that forms a coherent film in the presence of the polyvalent ions.

Abstract: An inkjet printing media, comprising a coating layered on at least one side of the media, the coating comprising a source of polyvalent ions and a latex binder that forms a coherent film in the presence of the polyvalent ions. A coating comprising calcium 2+ ions (Ca2+) and a latex binder that forms a coherent film in the presence of the calcium 2+ ions (Ca2+). A print media coating comprising: a source of polyvalent ions; and a latex binder that forms a coherent film in the presence of the polyvalent ions.

Abstract: A printing system including a print engine, a drying module, and a heating module. The print engine applies printing fluid on media. The drying module dries the printing fluid and provides dried printing fluid. The heating module applies thermal energy to the dried printing fluid and transitions the dried printing fluid to a cured printing fluid that has improved durability versus the dried printing fluid.

Abstract: An inkjet recording material that contains a supporting substrate and an image-receiving layer formed on at least one side of the supporting substrate, said layer including at least one inorganic pigment, and a latex binder having the formula (I). Also disclosed herein are the method of making said inkjet recording material and a method for producing printed images that encompasses using said recording material.

Abstract: An inkjet printing media, comprising a coating layered on at least one side of the media, the coating comprising a source of polyvalent ions and a latex binder that forms a coherent film in the presence of the polyvalent ions. A coating comprising calcium 2+ ions (Ca2+) and a latex binder that forms a coherent film in the presence of the calcium 2+ ions (Ca2+). A print media coating comprising: a source of polyvalent ions; and a latex binder that forms a coherent film in the presence of the polyvalent ions.

Abstract: An inkjet recording material that contains a supporting substrate and an image-receiving layer formed on at least one side of the supporting substrate, said layer including at least one inorganic pigment, and a latex binder having the formula (I). Also disclosed herein are the method of making said inkjet recording material and a method for producing printed images that encompasses using said recording material.