Ecological fabric having ultraviolet radiation protection
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United States of America Patent
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Oct 2, 2012
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N/A
app pub date -
Oct 11, 2011
filing date -
Oct 11, 2011
priority date (Note) -
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Abstract
An ecological fabric having protection from ultraviolet radiation incorporated therein is disclosed in which the fabric is treated by a method comprising the steps of dissolving zinc acetate or other zinc salt in a liquid to form a solution containing Zn(II) ions, adding a fabric to the solution, mixing the solution and the fabric, and adding a base to the solution when the solution and the fabric are being mixed to form a suspension of zinc oxide nanoparticles in contact with the fabric. Other methods are disclosed such as modifying a fabric by carboxylation or phosphorylation of the fabric followed by binding of the UV-blocking nanoparticles to the modified fabric and modifying UV-blocking nanoparticles with a self-assembled monolayer (SAM) or polymer layer containing an active chemical group capable of binding to the fabric and depositing the UV-blocking nanoparticles on the fabric.
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