专利名称：Surface-treated galvanized steel sheet with superior flat-portion corrosion resistance,
blackening resistance, and appearance and
corrosion resistance after press forming and
aqueous surface-treatment liquid for
生日经典祝福语>好评回复galvanized steel sheet
发明人：Kazuhisa Okai,Rie Umebayashi,Etsuo
Hamada,Akira Matsuzaki,Satoru Ando
申请号：US12311383
申请日：20071210
公开号：US08304092B2
公开日：
桶式吸尘器
好听的网名男20121106
专利内容由知识产权出版社提供
摘要：An aqueous surface-treatment liquid is a treatment liquid containing a water-soluble zirconium compound, water-dispersive particulate silica, a silane coupling agent, a vanadic acid compound, a phosphoric acid compound, a nickel compound, and an acrylic resin emulsion in particular proportions. A surface-treated galvanized steel sheet produced using the treatment liquid is a galvanized steel sheet having a surface-treatment coating on a surface thereof, and the coating contains a zirconium compound, particulate silica, a silane-coupling-agent-derived component, a vanadic acid compound, a phosphoric acid compound, a nickel compound, and an acrylic resin in pa
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rticular proportions. The amount of coating on a zirconium basis is 10 to 200 mg/m. This surface-treated galvanized steel sheet is chromate-free and has superior flat-portion corrosion resistance, blackening resistance, and appearance and corrosion resistance after press
聪明丈夫>梦幻西游签到答题器forming.
申请人：Kazuhisa Okai,Rie Umebayashi,Etsuo Hamada,Akira Matsuzaki,Satoru Ando 地址：Kawasaki JP,Kawasaki JP,Kawasaki JP,Kawasaki JP,Chiba JP
国籍：JP,JP,JP,JP,JP
代理机构：Holtz Holtz Goodman & Chick PC
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