Antimicrobial foam and method of manufacture
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United States of America Patent
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Oct 7, 2014
Grant Date -
Aug 18, 2011
app pub date -
Feb 18, 2010
filing date -
Feb 18, 2010
priority date (Note) -
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Abstract
An antimicrobial foam includes an open-cell foam in a foam matrix defining a plurality of interconnected bubbles therein. Silver nanoparticles are suspended within the foam matrix. The foam matrix may be made from polyether polyurethane, polyester polyurethane, polycarbonate, thermoplastic olefin, thermoplastic elastomer, and thermoplastic polyurethane. The silver nanoparticles may have an average size between about 5 and 100 nanometers. The silver nanoparticles may be incorporated into the foam matrix in a concentration of between about 0.01 weight-% and about 0.20 weight-%. A method of manufacture of the foam also is described.
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