Paper coating composition
AssigneeSequa Chemicals, Inc.
InventorWilliam C. Floyd
Life of this patent
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Abstract
A paper coating composition is provided comprising pigment, binder and a cyclic phosphate salt as an insolubilizer for the binder.
Claims11
Paper coating composition comprising by weight 100 parts of a pigment, about 8 to 20 parts by weight of a binder effective to bind the pigment selected from the group consisting of starch, polyvinyl alcohol, protein and their mixtures, and as an insolubilizer for the binder, a cyclic phosphate salt at a level of about 1 to 15% based on the weight of the binder, wherein the cyclic phosphate salt is selected from the group consisting of trimetaphosphate salt, tetrametaphosphate salt and hexametaphosphate salt or mixtures thereof.
Dependencies are inferred from the claim text.