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Inherently ink-receptive film substrates

A film substrate can be made receptive to inks without having to topcoat or microvoid the surface to obtain adhesion. Topcoats may adversely affect other substrate properties. Other ink-receptive surfaces without using topcoats need a multi-step manufacturing process. However, this technology creates a substrate that both avoids the need for topcoating, and that avoids reliance on a voided microstructure, i.e., that is "inherently" ink receptive. The ink-receptive substrate can receive ink as deposited by inkjets as well as by other techniques. The ink receptive layer is formed from a melt processable blend of a water-soluble polymer and a substantially water-insoluble polymer, and provides an inherently ink receptive surface without further surface treatment. A tie layer can optionally be interposed between base and ink receptive layer.

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