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US 8,986,502 B2Granted
Photodegradable paper and its use
AssigneeSOLVAY ACETOW GmbH
InventorsDirk Hölter, Wolfgang Koppe
Life of this patent
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Abstract
A photodegradable paper including cellulose fibers and, if applicable, fillers, additives and/or other kind of fibers is described. Also described, is a paper particularly in the field of packaging, tissue papers or cigarettes.
Claims18
A photodegradable paper comprising cellulosic fibers and, optionally, additives, wherein the photodegradable paper comprises a carbon modified titanium dioxide, wherein the carbon is located within and/or on the surface of the carbon-modified titanium dioxide, and the carbon-modified titanium dioxide is distributed between the fibers of the photodegradable paper;
- and wherein the carbon modified titanium dioxide has, in contrast to not-modified titanium dioxide, a significant light absorption in the range of λ>=400 nm;
- and wherein the content of carbon modified titanium dioxide within the photodegradable paper is in the range of 0.5 wt % to 40 wt %.
Dependencies are inferred from the claim text.