Treated inorganic pigments having reduced photoactivity and anti-microbial properties and their use in paper slurries
AssigneeE.I. du Pont de Nemours and Company
InventorsCharles David Musick, Peter Jernakoff
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Abstract
The disclosure provides a paper slurry comprising a treated inorganic particle having reduced photoactivity and improved anti-microbial properties, wherein the treated inorganic pigment comprises: an inorganic core particle; a first treatment of a silicon compound, wherein the silicon compound is added in a single step; and a second treatment comprising a co-precipitated zinc oxide and alumina.
Claims21
A paper slurry comprising a treated inorganic particle having reduced photoactivity and improved anti-microbial properties, wherein the treated inorganic particle comprises:
- a. an inorganic core particle;
- b. a first treatment of a silicon compound, wherein the silicon compound is added in a single step;
- and
- c. a second treatment comprising a co-precipitated zinc oxide and alumina.
A decor paper prepared from a paper slurry, wherein the paper slurry comprises a treated inorganic particle having reduced photoactivity and improved anti-microbial properties, wherein the treated inorganic particle comprises:
- a. an inorganic core particle;
- b. a first treatment of a silicon compound, wherein the silicon compound is added in a single step;
- and
- c. a second treatment comprising a co-precipitated zinc oxide and alumina.
A laminate comprising a decor paper prepared from a paper slurry, wherein the paper slurry comprises a treated inorganic particle having reduced photoactivity and improved anti-microbial properties, wherein the treated inorganic particle comprises:
- a. an inorganic core particle;
- b. a first treatment of a silicon compound, wherein the silicon compound is added in a single step;
- and
- c. a second treatment comprising a co-precipitated zinc oxide and alumina.
(canceled)
Dependencies are inferred from the claim text.