Method for Manufacturing Water-Using Household Equipment and Water-Using Household Equipment
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United States of America Patent
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Issued Date -
Sep 25, 2008
app pub date -
Feb 9, 2006
filing date -
Mar 3, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides a method for manufacturing water-using household equipment of which hydrophilicity, surface hardness and appearances are good and the water-using household equipment. The water-using household equipment includes a coat including silicic acid, and a coat constituted by composition of 44 to 97% by mass of Si by SiO.sub.2 conversion, 0.2 to 17% by mass of Li by Li.sub.2O conversion and 2.4 to 49% by mass of Na by Na.sub.2O conversion on the coat including the silicic acid on a surface of a substrate. The method for manufacturing water-using household equipment includes: a surface treatment step of treating at least a surface of the substrate contacting water or contacting a water vapor atmosphere with a coating agent including silicic acid and forming a surface treatment layer; and an application step of forming an application layer on the surface treatment layer by applying an aqueous solution including 1 to 20 mass portions of Si by SiO.sub.2 conversion, 0.05 to 0.3 mass portion of Li by Li.sub.2O conversion and 0.5 to 1 mass portion of Na by Na.sub.2O conversion.
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Family
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