Composition comprising interactive ingredients
AssigneeFP-Pigments Oy
InventorPaul Dietz
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Abstract
A composition comprising titanium dioxide and additives useful for enhancing the optical performance of titanium dioxide or for allowing substitution of at least part of the titanium dioxide in said composition for additives. At least two additives are added, wherein a first additive comprises a composite pigment and a second additive comprises a reactive polymer. The invention also provides a method for enhancing the optical properties of titanium dioxide compositions.
Claims14
An composition comprising a combination of titanium dioxide and additives useful for allowing substitution of at least a part of the titanium dioxide in said composition by said additives while maintaining the contrast ratio achieved by a composition comprising titanium dioxide without said additives, the additives comprising a composite pigment and a reactive polymer, wherein said composite pigment comprises titanium dioxide at least partly embedded in a shell formed by precipitated calcium carbonate and wherein the combination of titanium dioxide and said additives comprises 55 to 75 wt % titanium dioxide and the remainder the composite pigment and the reactive polymer.
Dependencies are inferred from the claim text.