Hydrophobic paper or cardboard with self-assembled nanoparticles and method for the production thereof
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United States of America Patent
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Oct 10, 2017
Grant Date -
Nov 19, 2015
app pub date -
Apr 12, 2013
filing date -
Apr 13, 2012
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Abstract
A hydrophobic paper or cardboard that has self-assembled silicon-oxide nanoparticles with functional silane groups and fluorocarbonated compounds linked directly to cellulose fibers of at least one surfaces thereof, with a Cobb value of 8 to 25 g/m2 and water contact angles of 100° to 140°, which can be used for packing foodstuffs. The hydrophobic paper or cardboard may be printed, is recyclable and exhibits improved adhesion in areas requiring adhesive bonding of paper or cardboard.
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