Abstract:
Embodiments of the present invention provide a paper surface sizing composition, a paper web coated on one or more sides or surfaces with a paper surface sizing composition, and a method for treating one or more sides of the paper web with a paper surface sizing composition to impart benefits relating to one or more of the following properties: (1) brightness; (2) opacity; (3) paper smoothness; (4) print quality; (5) optionally ink dry time (e.g., for ink jet printing where the sizing composition has option); and (6) optionally minimizing or eliminating edge welding (e.g., for paper webs used in, for example, form printing).
Abstract:
A paper sizing or coating composition is provided, which includes; a first binder resin, which is compatible with dry toner binder resin; a second binder resin, which is compatible with liquid toner binder resin, and which is different from the first binder resin; a first pigment, which has a BET surface area of from greater than zero to about 35 m2/g; and a second pigment, which has a BET surface area of about 35 m2/g or greater, and which is different from the first pigment. Recording sheets which include the composition, methods of making the composition and recording sheets, and methods for making an image are provided.
Abstract:
The present invention relates to a sizing composition that, when applied to paper substrate, creates a substrate, preferably suitable for inkjet printing, having increased print density, print sharpness, low HST, and/or image dry time, the substrate preferably having high brightness and reduced color-to-color bleed as well. In addition, the present invention relates to a method of reducing the HST of a paper substrate by applying the sizing composition to at least one surface thereof. Further the application relates to methods of making and using the sizing composition, as well as methods of making and using the paper containing the sizing composition.
Abstract:
The invention provides a three layered reprographic paper having improved strength, stiffness and curl resistance properties, and a method for making same. The paper has a central core layer made largely of cellulose and bulked with a bulking agent such as a diamide salt. A starch-based metered size press coating is pressed on both sides of the core layer, wherein the starch has a high solid content. The coating forms a three layered paper having an I-beam arrangement with high strength outer layers surrounding a low density core.