AQUEOUS COMPOSITION, STAINLESS STEEL SURFACE ROUGHENING METHOD USING SAME, AND METHOD FOR MANUFACTURING ROUGHENED STAINLESS STEEL
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United States of America Patent
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Issued Date -
Feb 8, 2024
app pub date -
Dec 13, 2021
filing date -
Dec 15, 2020
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Abstract
The problem of the present invention is to provide an aqueous composition with which the surface of stainless steel is sufficiently roughened in an efficient manner with few steps, while maintaining good quality (e.g., thickness) of the stainless steel after treatment. The above problem is solved by the following aqueous composition for roughening the surface of stainless steel. Namely, the aqueous composition comprises 0.1% to 10% by mass of hydrogen peroxide based on the total amount of the aqueous composition, 1% to 30% by mass of halide ions based on the total amount of the aqueous composition, and 0% to 3% by mass of copper ions based on the total amount of the aqueous composition.
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