Coatings and articles with light-blocking properties
AssigneeSiegwerk Druckfarben AG & Co. KGaA
InventorsAshish Datt, John Kilbo, Ayuna Tsyrenova
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Abstract
The present invention is related to a composition for manufacturing a layer (4a, 4b, 4c) that is capable of at least partially blocking light in the UV/VIS region and is deinkable, said composition comprising a blend of a pigment and a filler. The present invention is also related to a printed article, comprising a transparent substrate (3) and on said transparent substrate (3) at least one ink layer (4a, 4b, 4c) being made from said composition. The present invention is furthermore related to a container for storing a product, preferably a food product, wherein said container comprises a transparent substrate (2) containing on its outer surface said printed article, and to a method for deinking said container.
Claims20
A composition for manufacturing a layer that is capable of at least partially blocking light in the UV/VIS region and is deinkable, said composition comprising:
- 10-50 wt.-% of a blend of a pigment and a filler;
- 10-40 wt.-% of a first binder component, selected from the group consisting of nitrocellulose, polyurethane, and combinations thereof
- 5-30 wt.-% of a second binder component selected from the group consisting of maleic resin, a polyvinyl ester, and combinations thereof
- wherein all wt.-% are based on the entire weight of the composition.
Dependencies are inferred from the claim text.