Antimicrobial foam and method of manufacture

摘要

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.

主权项

1. An antimicrobial foam, comprising:
an open-cell foam in a foam matrix defining a plurality of interconnected bubbles therein; silver nanoparticles; and zeolites, into which the silver nanoparticles are impregnated, suspended within the foam matrix, wherein the foam matrix comprises at least one material selected from a group comprising polyether polyurethane, polyester polyurethane, polycarbonate, thermoplastic olefin, thermoplastic elastomer, and thermoplastic polyurethane, wherein the silver nanoparticles have an average size between about 5 and less than 30 nanometers, and wherein the silver nanoparticles are incorporated into the foam matrix in a concentration of between about 0.01 weight-% and about 0.05 weight-%.