Importance

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Abstract

Ink jet recording media have a substrate coated on one or both sides with two layers of coating material. The first layer is a relatively inexpensive ink vehicle absorptive coating comprised in major part of a pigment component that is comprised in major part of relatively inexpensive but highly absorbent calcined clay. The second layer is an ink receptive coating comprised of relatively expensive constituents providing excellent print qualities. Because the first layer provides the important ink vehicle absorbing function, the ink receptive coating can be applied at much lower coat weights than would otherwise be required. This produces recording media having equal or better print qualities than a heavier single layer of the ink receptive material, and does so at much lower cost. Methods of making and applying coatings having high levels of calcined clay are key factors in producing the media.

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First Claim