Compounds and their use as insolubilizers for binders for paper coating compositions
AssigneeSun Chemical Corporation
InventorWilliam C. Floyd
Life of this patent
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Abstract
Paper coating compositions contain at least one pigment, at least one binder, and, as an insolubilizer for the binder, the product of the reaction of glyoxal and a vicinal polyol.
Claims4
A paper coating composition comprising a pigment, a binder, and as an insolubilizer for the binder the hemiacetal product of the reaction of glyoxal and a polyol selected from the group consisting of glycerin, sorbitol, dextrine, .alpha.-methylglucoside, and their mixtures.
A process for insolubilizing the binder in a paper coating composition which comprises including in the composition about 1 to 3 percent of the hemiacetal product of the reaction of glyoxal and a polyol selected from the group consisting of glycerin, sorbitol, dextrine, .alpha.-methylglucoside, and their mixtures.
Dependencies are inferred from the claim text.