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1.
公开(公告)号:ES2301154T3
公开(公告)日:2008-06-16
申请号:ES06763689
申请日:2006-06-13
Applicant: BASF SE
Inventor: WITTELER HELMUT , BERTKAU WALTER , HEIDENFELDER THOMAS , GOTHLICH ALEXANDER , HAAS JENS , KLIPPEL FRANK
Abstract: Un proceso para la pasivación de superficies metálicas mediante tratamiento de la superficie con una preparación acuosa ácida que comprende al menos un polímero X soluble en agua que comprende grupos ácidos y al menos un ión de metal, caracterizado porque ¿ el polímero tiene al menos 0,6 mol de grupos ácidos /100 g del polímero, ¿ el pH de la formulación no es mayor de 5, ¿ la cantidad del polímero es de 1 hasta 40% en peso, con base en la cantidad de todos los componentes de la formulación, ¿ el ión de metal es al menos uno seleccionado del grupo que consiste en Zn2+, Ca2+, Mg2+ y Al3+, y ¿ la cantidad de iones metálicos es de 0,01 % en peso hasta 25% en peso, con base en la cantidad total de todos los polímeros X.
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公开(公告)号:BR112013007697A2
公开(公告)日:2016-08-09
申请号:BR112013007697
申请日:2011-10-04
Applicant: BASF SE
Inventor: FESSENBECKER ACHIM , SCHADE CHRISTIAN , RICHTER FRANK , WITTELER HELMUT , HAAS JENS , BERTKAU WALTER
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公开(公告)号:AT391196T
公开(公告)日:2008-04-15
申请号:AT06763689
申请日:2006-06-13
Applicant: BASF SE
Inventor: WITTELER HELMUT , BERTKAU WALTER , HEIDENFELDER THOMAS , GOETHLICH ALEXANDER , HAAS JENS , KLIPPEL FRANK , SCHORNICK GUNNAR
Abstract: Process for the passivation of metallic surfaces by treatment of the surface with an acidic, aqueous preparation which comprises at least one water-soluble acid group-containing polymer and Zn, Ca, Mg or Al ions, said process being in particular a continuous process for the passivation of strip metals.
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公开(公告)号:AU2011311627B2
公开(公告)日:2015-03-19
申请号:AU2011311627
申请日:2011-10-04
Applicant: BASF SE
Inventor: FESSENBECKER ACHIM , HAAS JENS , RICHTER FRANK , BERTKAU WALTER , SCHADE CHRISTIAN , WITTELER HELMUT
Abstract: The present invention relates to a method for passivating metallic surfaces, wherein the metallic surface is brought into contact with an aqueous composition containing at least one water-soluble polymer (X) that comprises acid groups, and at least one polyamine (P), wherein the pH of the composition is in the range from 0.5 to 2.
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公开(公告)号:AU2011311627A1
公开(公告)日:2013-04-04
申请号:AU2011311627
申请日:2011-10-04
Applicant: BASF SE
Inventor: FESSENBECKER ACHIM , HAAS JENS , RICHTER FRANK , BERTKAU WALTER , SCHADE CHRISTIAN , WITTELER HELMUT
Abstract: The present invention relates to a method for passivating metallic surfaces, wherein the metallic surface is brought into contact with an aqueous composition containing at least one water-soluble polymer (X) that comprises acid groups, and at least one polyamine (P), wherein the pH of the composition is in the range from 0.5 to 2.
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公开(公告)号:AT521730T
公开(公告)日:2011-09-15
申请号:AT09783874
申请日:2009-10-09
Applicant: BASF SE
Inventor: VANDERMEULEN GUIDO , STRUBEL BERND , WITTELER HELMUT , NEUMANN JESSICA , BERTKAU WALTER , LAUBUSCH BERND , HAAS JENS , HERRLICH-LOOS MIRJAM , LOEW HELMUT , BRAUMANDL WALTER
Abstract: A continuous method for surface treatment of metal strips applies a finish coat having a thickness of not more than 3 μm, the apparatus employed for application being equipped with at least one IR sensor which faces a coated side of the strip, operates in reflection geometry, and serves to measure the coat thickness of the finish coat, with the strip running.
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公开(公告)号:DE502006000563D1
公开(公告)日:2008-05-15
申请号:DE502006000563
申请日:2006-06-13
Applicant: BASF SE
Inventor: WITTELER HELMUT , BERTKAU WALTER , HEIDENFELDER THOMAS , GOETHLICH ALEXANDER , HAAS JENS , KLIPPEL FRANK , SCHORNICK GUNNAR
Abstract: Process for the passivation of metallic surfaces by treatment of the surface with an acidic, aqueous preparation which comprises at least one water-soluble acid group-containing polymer and Zn, Ca, Mg or Al ions, said process being in particular a continuous process for the passivation of strip metals.
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