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发明名称
防止腐蚀的方法
摘要
本发明系提供一种不用锌系防蚀剂而藉由使用磷系防蚀剂并降低其使用浓度,在抑制对环境的影响下,能够稳定地形成良好的初期防蚀被膜,而且对初期防蚀被膜形成后的水处理也不产生影响的腐蚀防止方法。藉由在水系中添加防蚀剂使在该水系的铁系金属组件表面形成初期防蚀被膜的初期防蚀被膜形成步骤中,使用至少含有从焦磷酸和/或其盐中选出的一种以上物质的防蚀剂,将pH调整到5以上7以下,使初期防蚀被膜形成步骤进行到结束时的pH7以上,来进行初期防蚀被膜形成步骤。
申请公布号
TW200532055
申请公布日期
2005.10.01
申请号
TW094107048
申请日期
2005.03.08
申请人
栗田工业股份有限公司
发明人
米田裕;井芹一;森信太郎
分类号
C23F11/00
主分类号
C23F11/00
代理机构
代理人
蔡坤财
主权项
地址
日本
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