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公开(公告)号:US20160265116A1
公开(公告)日:2016-09-15
申请号:US15029450
申请日:2014-10-16
申请人: CHEMETALL GMBH
发明人: Benjamin Güttler , Ralf Schneider , Frank Hollmann , Gorka De Luis Garcia , Iñki Nieves Quintana , Martin Orben , Norbert Schwinke-Kruse
CPC分类号: C23C22/46 , C10M173/02 , C10N2230/06 , C10N2240/402 , C10N2280/00 , C23C2/06 , C23C22/78 , C23C22/82 , C23C22/83
摘要: Methods for treatment shaped bodies are described herein. The methods generally include contacting at least one shaped body with an aqueous acidic composition to form a conversion layer on a surface of the at least one shaped body, wherein the surface includes iron or steel and a carbon content in a range of 0 to 2.06 wt. % and a chrome content in a range of 0 to
摘要翻译: 本文描述了治疗成形体的方法。 所述方法通常包括使至少一个成形体与含水酸性组合物接触以在所述至少一个成形体的表面上形成转化层,其中所述表面包含铁或钢,并且碳含量在0至2.06重量%的范围内 。 %,铬含量在0〜10重量%的范围内。 %,并且其中表面可选地镀锌或镀锌合金。 水性酸性组合物包括水; 2〜500g / L草酸; 和0.01至20g / L的基于胍,硝酸盐或其组合的至少一种催化剂,其中酸性组合物的酸洗除去在1至6g / m 2的范围内。
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公开(公告)号:US10392705B2
公开(公告)日:2019-08-27
申请号:US15029450
申请日:2014-10-16
申请人: Chemetall GmbH
发明人: Benjamin Güttler , Ralf Schneider , Frank Hollmann , Gorka De Luis Garcia , Iñaki Nieves Quintana , Martin Orben , Norbert Schwinke-Kruse
摘要: Methods for treatment shaped bodies are described herein. The methods generally include contacting at least one shaped body with an aqueous acidic composition to form a conversion layer on a surface of the at least one shaped body, wherein the surface includes iron or steel and a carbon content in a range of 0 to 2.06 wt. % and a chrome content in a range of 0 to
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