Surface roughening agent for aluminum, and surface roughening method using said surface roughening agent
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United States of America Patent
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Nov 15, 2016
Grant Date -
Dec 13, 2012
app pub date -
Nov 8, 2010
filing date -
Feb 23, 2010
priority date (Note) -
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Abstract
Provided are a surface roughening agent for aluminum and a surface roughening method using said surface roughening agent wherein it is possible to easily reduce costs for the surface roughening step and to improve the adhesiveness between aluminum and a resin. Specifically, provided is a surface roughening agent for aluminum comprising an aqueous solution containing: an alkali source, an amphoteric metal ion, a nitrate ion, and a thio compound. Moreover, provided is a surface roughening method for aluminum which involves a surface roughening step in which the surface of aluminum is treated with the aforementioned surface roughening agent.
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