| 发明名称 |
ZIRCONIUM PRETREATMENT COMPOSITIONS CONTAINING MOLYBDENUM, ASSOCIATED METHODS FOR TREATING METAL SUBSTRATES, AND RELATED COATED METAL SUBSTRATES |
| 摘要 |
Disclosed are pretreatment compositions and associated methods for treating metal substrates with pretreatment compositions, including ferrous substrates, such as cold rolled steel and electrogalvanized steel. The pretreatment composition includes: a Group IIIB and/or IVB metal; free fluoride; and molybdenum. The methods include contacting the metal substrates with the pretreatment composition. |
| 申请公布号 |
US2015225855(A1) |
申请公布日期 |
2015.08.13 |
| 申请号 |
US201314424898 |
申请日期 |
2013.08.16 |
| 申请人 |
PPG Industries Ohio, Inc. |
发明人 |
Sudour Michel;Wozniak Aline;Maintier Philippe |
| 分类号 |
C23C22/44;C25D13/20;C25D13/02;C23C22/34 |
主分类号 |
C23C22/44 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method of coating a metal substrate comprising:
pretreating the metal substrate with a pretreatment composition comprising a Group IIIB and/or Group IVB metal, free fluoride, and molybdenum; and electrophoretically depositing a coating composition onto the metal substrate, wherein the coating composition comprises yttrium. |
| 地址 |
Cleveland OH US |
