Title:
高耐食性表面処理鋼板及びその製造方法
Document Type and Number:
Japanese Patent JP4500113
Kind Code:
B2
Abstract:
The surface-treated steel sheet has a zinc-based plated steel sheet, a surface-treatment coating being formed on the surface of the zinc-based steel sheet by applying and drying a surface treatment coating composition thereon, and a top coating being formed by applying and drying a coating composition for top coating on the surface-treatment coating. The surface treatment coating composition contains a water-epoxy resin dispersion, a silane coupling agent, and phosphoric acid and/or a hexafluorometal acid. The coating composition for top coating contains a high molecular weight epoxy group-containing resin having number average molecular weights ranging from 6000 to 20000.
Inventors:
Tatsuya Miyoshi
Kenichi Sasaki
Naoto Yoshimi
Akira Matsuzaki
Kazuhisa Okai
Takao Oshima
Masahiro Murata
Nakano Takashi
Shoichi Tanaka
Kenichi Sasaki
Naoto Yoshimi
Akira Matsuzaki
Kazuhisa Okai
Takao Oshima
Masahiro Murata
Nakano Takashi
Shoichi Tanaka
Application Number:
JP2004173337A
Publication Date:
July 14, 2010
Filing Date:
June 11, 2004
Export Citation:
Assignee:
jfe Steel Corporation
KANSAI PAINT CO.,LTD.
KANSAI PAINT CO.,LTD.
International Classes:
C23C28/00; B32B15/092; C09D5/00; C09D5/08; C09D7/12; C09D161/20; C09D163/00; C09D175/04; C23C2/26; C23C22/08; C23C22/34
Domestic Patent References:
| JP5043833A | ||||
| JP2003105554A | ||||
| JP4011677A | ||||
| JP6235071A | ||||
| JP2001354898A |
Attorney, Agent or Firm:
Hideto Tomabechi