Surface treatment method, anti-static agent, and hydrophilizing treatment agent
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United States of America Patent
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Mar 9, 2021
Grant Date -
Sep 21, 2017
app pub date -
Mar 15, 2017
filing date -
Mar 17, 2016
priority date (Note) -
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Abstract
To provide a surface treatment method for hydrophilizing a surface of a treatment target and preventing charging by a simple and easy method and an anti-static agent. The present invention provides a surface treatment method. The method comprises an anti-static treatment step of coating a treatment target with an anti-static agent comprising an electrolyte (e1), a hydrophilic polymer (a) and water, and having electrical conductivity of 15 mS/m or more to obtain a coated film (A), drying the coated film (A) to obtain an anti-static layer, and a hydrophilizing treatment step of coating the anti-static layer with a hydrophilizing treatment agent comprising a hydrophilic polymer (b) and an alcohol to obtain a coated film (B), and drying the coated film (B), followed by rinsing thereof.
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