发明名称 |
METHOD FOR COATING METAL SURFACES IN A MULTI-STEP METHOD |
摘要 |
A method for coating metal surfaces, in particular surfaces of wheels made of an aluminium alloy, in a multi-step method, wherein the metallic surfaces are first contacted with an aqueous composition predominantly containing silane/silanol/siloxane/polysiloxane and thereafter contacted with an aqueous composition predominantly containing at least one phosphonic compound. |
申请公布号 |
EP2403978(B1) |
申请公布日期 |
2014.12.17 |
申请号 |
EP20100707888 |
申请日期 |
2010.03.03 |
申请人 |
CHEMETALL GMBH |
发明人 |
SEBRALLA, LARS;WALTER, MANFRED |
分类号 |
C23C22/83;B05D7/14;C09D5/08;C23C18/12;C23C22/34;C23C22/56;C23C22/66 |
主分类号 |
C23C22/83 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|