Sheet material for ink-jet printing

Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...

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428215, 428327, 428328, 428330, 428331, 428335, 428336, 428412, 4284231, 428447, 4284744, 4284782, 428480, 428500, 428521, 428522, 428532, 428195, B41M 500

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048776785

ABSTRACT:
The printing sheet of the invention comprises a base sheet and two successive coating layers provided thereon, of which the first coating layer, which serves as a water-absorbing layer, is formed of a dispersion of a powdery highly water-absorptive resin, e.g., poly(sodium acrylate), in a polymeric vehicle and the second coating layer, which serves as a water absorption-controlling layer, is formed of a dispersion of an inorganic powder such as silica in a polymeric vehicle. By virtue of the adequately controlled velocity and capacity of water absorption, the printing sheet can give a very satisfactory printed matter in respect of the color density and sharpness of the printed patterns when it is used in printing on an ink-jet printer by using an aqueous ink.

REFERENCES:
patent: 4460637 (1984-07-01), Miyamoto et al.

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