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公开(公告)号:US20060151070A1
公开(公告)日:2006-07-13
申请号:US11034416
申请日:2005-01-12
申请人: Edward Rodzewich , Jeffrey Melzer , Philip Deck , Donald Whisenhunt , William Carey , David Engel , Bret Chisholm , Christopher Carter
发明人: Edward Rodzewich , Jeffrey Melzer , Philip Deck , Donald Whisenhunt , William Carey , David Engel , Bret Chisholm , Christopher Carter
IPC分类号: C23C22/07
CPC分类号: C23C22/34 , C23C2222/20
摘要: Chromate-free and metal phosphate free treatments and compositions for applying a conversion or passivation coating for metals, more particularly, steel, zinc coated steel, and aluminum surfaces. The methods of the invention comprise contacting the requisite metal surface with a treatment composition comprising a member or members comprising one or more Group IV B elements, fluoride, and phosphonic acid or phosphonate. Optionally, a silane may be added as a treatment component.