公开(公告)号：WO2015055756A1

公开(公告)日：2015-04-23

申请号：PCT/EP2014/072191

申请日：2014-10-16

Applicant: CHEMETALL GMBH

Inventor： GÜTTLER, Benjamin ,  SCHNEIDER, Ralf ,  HOLLMANN, Frank ,  DE LUIS GARCIA, Gorka ,  NIEVES QUINTANA, Iñaki ,  ORBEN, Martin ,  SCHWINKE-KRUSE, Norbert

IPC: C23C22/46 ,  C23C22/83 ,  C10M173/02

CPC classification number: C23C22/46 ,  C10M173/02 ,  C10N2230/06 ,  C10N2240/402 ,  C10N2280/00 ,  C23C2/06 ,  C23C22/78 ,  C23C22/82 ,  C23C22/83

Abstract: Die Erfindung betrifft ein Verfahren zum Behandeln von Formkörpern mit einer Stahloberfläche mit einem Kohlenstoff-Gehalt im Bereich von 0 bis 2,06 Gew.-% und mit einem Chrom-Gehaltim Bereich von 0 bis 2 liegt, bei dem das Schichtgewicht einer getrockneten Konversionsschicht im Bereich von 1,5bis 15g/m 2 liegt, bei dem das Verhältnis von Beizabtrag zu Schichtgewicht BA : SG der getrockneten Konversionsschicht im Bereich von (0,30bis 0,75) : 1 liegt und bei dem die getrocknete Konversionsschicht eine fest haftende Beschichtung bildet.

Abstract translation: 本发明涉及一种与在范围内的碳含量的钢的表面处理模制件的方法，从0到2.06％（重量），并用至<10形成重量％之前，冷铬Gehaltim范围为0，无论是在至少 用形成的转换层的含水酸性组合物的成型体接触作为分离层，附着在含水酸性组合物只带有附件/是基本上由水组成，2至500g / L草酸和）为0.01〜 是胍的基础上20g / L的至少一种促进剂和/或b）为0.01〜20g / L的至少一种的硝酸和任选的颜料，表面活性剂和/或增稠剂，其中所述酸洗除去含水酸性组合物的 范围从1到6克/米2，其中，所述涂层重量在1.5至15克/ m 2的范围内的干燥转换层，其特征在于，酸洗侵蚀的比率层重量BA ：在的范围内（0,30bis 0.75）将干燥的转换层的SG：1，其中干燥转化层形成牢固粘附的涂层。

公开(公告)号：WO2022207901A1

公开(公告)日：2022-10-06

申请号：PCT/EP2022/058744

申请日：2022-04-01

Applicant: CHEMETALL GMBH

Inventor： SHI, Yinfeng ,  ORBEN, Martin

IPC: C23C22/12 ,  C23C22/66 ,  C23C22/46 ,  C10M173/02 ,  C23C22/10 ,  C10M2201/062 ,  C10M2201/081 ,  C10M2201/085 ,  C10M2205/14 ,  C10M2205/16 ,  C10M2205/18 ,  C10M2207/123 ,  C10M2209/04 ,  C10M2209/084 ,  C10M2209/103 ,  C10M2215/042 ,  C10M2215/08 ,  C10M2215/202 ,  C10M2217/022 ,  C10M2217/024 ,  C10M2217/028 ,  C10N2010/02 ,  C10N2010/04 ,  C10N2010/06 ,  C10N2010/16 ,  C10N2020/04 ,  C10N2030/06 ,  C10N2030/12 ,  C10N2040/24 ,  C10N2040/243 ,  C10N2040/245 ,  C10N2040/246 ,  C10N2050/02 ,  C10N2080/00

Abstract: The present invention relates to a method of pretreatment of a metallic substrate for a subsequent metal cold forming process, said method comprising at least steps (1) and (2), namely providing at least one substrate having at least one surface at least partially made of at least one metal (step (1)), contacting the at least one surface of the substrate provided in step (1) with an aqueous lubricant composition (B) (step (2)), wherein the aqueous lubricant composition (B) comprises besides water at least constituents (b1) to (b4) and optionally (b5), namely as (b1) at least one homopolymer and/or copolymer being prepared by polymerization of at least vinyl pyrrolidone as at least one monomer, wherein (b1) has a polydispersity index (PDI) in a range of from 1.5 to 8.0, as (b2) at least one wax, as (b3) at least one defoamer,and as (b4) (i) oxalate anions and/or phosphate anions or (ii) calcium cations, chloride anions and hydroxide anions, as well as optionally Fe(III) ions as (b5), wherein (b5) is present in case at least oxalate anions are present as (b4), a pretreated metallic substrate obtainable by the inventive method, a method of cold forming of a metallic substrate and an aqueous lubricant composition (B) as defined above.

公开(公告)号：WO2021170707A1

公开(公告)日：2021-09-02

申请号：PCT/EP2021/054657

申请日：2021-02-25

Applicant: CHEMETALL GMBH

Inventor： SHI, Yinfeng ,  ORBEN, Martin

IPC: C10M173/02 ,  C10M177/00 ,  C23C22/46 ,  C23C22/83 ,  C23G1/00 ,  C23G1/08 ,  C10N40/20 ,  C10N70/00 ,  C10N80/00 ,  C10N30/12 ,  C10N50/02

Abstract: The present invention relates to method for pretreatment of a metallic substrate for a subsequent metal cold forming process, said method comprising at least steps (1) and (2) and optionally step (3), namely providing at least one substrate having at least one surface at least partially made of at least one metal (1), contacting the at least one surface of the substrate provided in step (1) with an aqueous lubricant composition (A) having a pH value below 2.0 and comprising besides water oxalate anions (a1), thiosulfate anions (a2), chloride anions (a3), at least one film-forming polymer (a4), which is a homopolymer and/or copolymer being prepared by polymerization of at least one ethylenically unsaturated monomer, at least one wax (a5), and fluoride anions and/or bifluoride anions (a6), and optionally drying the coating film obtained after having performed step (2), a pretreated metallic substrate obtainable by the aforementioned inventive method, a method of cold forming of a metallic substrate including a step of subjecting the inventive pretreated metallic substrate to a cold forming process, an aqueous lubricant composition (A) as defined above and a master batch for preparing the aqueous composition (A).