Method for producing a water-repellent textile
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United States of America Patent
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Issued Date -
Dec 1, 2022
app pub date -
May 19, 2022
filing date -
May 19, 2022
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Abstract
A water-repellent textile is produce by applying to a textile a solution of Al13 nanoclusters or aluminum nitrate or hydrates of aluminum nitrate in a solvent to produce a wetted textile; and photo-annealing the wetted textile with ultraviolet light having a wavelength in the range of 180 nm to 260 nm to produce an Al2O3 coating on fibers of the textile. The textile may be, for example, cotton, polyester, wool, nylon, chiffon, nubuck, leather, burlap, silk, denim, or any combination thereof. Preferably, the solvent is a solubilizing organic solvent, pure water, or a miscible organic/water solvent mixture.
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