HYDROPHOBIC AND OLEOPHOBIC COATING, PREPARATION METHOD THEREFOR, AND PRODUCT
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United States of America Patent
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Issued Date -
Oct 5, 2023
app pub date -
Aug 3, 2021
filing date -
Aug 3, 2021
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Abstract
Disclosed are a hydrophobic and oleophobic coating, a preparation method therefor and a product, wherein the hydrophobic and oleophobic coating is formed by the deposition of a perfluoropolyether or perfluoropolyether derivative on the surface of a substrate by means of PECVD, such that the hydrophobic and oleophobic properties of the surface of the substrate are improved by the perfluoropolyether or perfluoropolyether derivative coating. Further disclosed are a hydrophobic and oleophobic coating, a preparation method therefor and a product, wherein the hydrophobic and oleophobic coating comprises: at least a two-layer structure, one of the layers being formed by the plasma chemical vapor deposition of one or more perfluoropolyethers or perfluoropolyether derivatives as raw materials, and the other layer being formed by the plasma chemical vapor deposition of a silane- or siloxane-containing raw material, thereby improving the hydrophobic and oleophobic properties of the surface of a substrate.
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