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1. 发明授权

EP3810833B1 PROCÉDÉ DE TRAITEMENT DE SURFACE D'UNE PIÈCE EN ALUMINIUM OU ALLIAGE D'ALUMINIUM OU EN MAGNÉSIUM OU ALLIAGE DE MAGNÉSIUM 有权
公开(公告)号：EP3810833B1
公开(公告)日：2024-07-31
申请号：EP19742867.5
申请日：2019-06-14
IPC分类号： C25D11/24 , C25D11/30 , C23C22/44 , C25D11/02 , C25D11/08
CPC分类号： C23C22/44 , C25D11/026 , C25D11/08 , C25D11/246 , C25D11/30

2. 发明公开

EP4397786A1 CONVERSION COATING COMPOSITION FOR COLOURED LAYERS ON ALUMINIUM 审中-公开
公开(公告)号：EP4397786A1
公开(公告)日：2024-07-10
申请号：EP23150086.9
申请日：2023-01-03
申请人： Henkel AG & Co. KGaA
发明人： Jadhav, Aditi , Das, Niranjan , Thakur, Priya
IPC分类号： C23C22/34 , C23C22/36
CPC分类号： C23C22/367 , C23C22/34 , C23C22/368 , C23C22/44
摘要： The present disclosure is directed to an aqueous conversion coating composition for the treatment of aluminium or aluminium alloys, said composition having a pH of less than 3 and comprising:
i) at least one water-soluble polyphosphonic acid or a water-soluble salt thereof, wherein said polyphosphonic acid has the general formula (I):

in which:
n is at least 2; and,
Z is a connecting organic moiety having an effective valency of n, said polyphosphonic acid being characterized in that at least two phosphonic groups are separated by a C1-C2 alkylene bridge which may be optionally interrupted by one or more heretoatoms selected from N or O;

ii) at least one mineral acid;
iii) at least one water-soluble or water-dispersible fluoroacid or a salt thereof, wherein said fluoroacid is defined by the following general empirical formula (II):

HpTqFrOs (II)

wherein:
each of q and r represents an integer from 1 to 10;
each of p and s represents an integer from 0 to 10; and,
T represents an element selected from the group consisting of Ti, Zr, Hf, Si, Sn, Al, Ge, and B; and,

iv) at least one tungstate salt,
wherein said composition is characterized in that it is substantially free of chromium (Cr) compounds.

3. 发明授权

EP3350357B1 VORBEHANDLUNG VON ALUMINIUMOBERFLÄCHEN MIT ZIRKON- UND MOLYBDÄNHALTIGEN ZUSAMMENSETZUNGEN 有权
公开(公告)号：EP3350357B1
公开(公告)日：2024-05-01
申请号：EP16770231.5
申请日：2016-09-14
IPC分类号： C23C22/44 , C23C22/80 , C23C22/73
CPC分类号： C23C22/73 , C23C22/80 , C23C22/44

4. 发明授权

EP1847633B1 AQUEOUS SURFACE TREATING AGENT FOR METAL MATERIAL, SURFACE TREATING METHOD AND SURFACE-TREATED METAL MATERIAL 有权
公开(公告)号：EP1847633B1
公开(公告)日：2018-08-22
申请号：EP06713082.3
申请日：2006-01-31
申请人： NIHON PARKERIZING CO., LTD.
发明人： YAMAGUCHI, Hidehiro , NOMURA, Shinji , IWASAKI, Yoshihiro
IPC分类号： C23C22/48 , C23C22/34 , C23C22/08 , C23C22/44 , C23C22/53 , C23C22/42 , C23C22/20 , C23C22/56 , C09D5/08 , C09D183/14 , C23C22/36 , C23C22/74
CPC分类号： C23C22/361 , C09D5/08 , C09D183/14 , C23C22/08 , C23C22/20 , C23C22/34 , C23C22/42 , C23C22/44 , C23C22/53 , C23C22/56 , C23C22/74 , C23C2222/20
摘要： An aqueous metal surface-treating agent wherein an organic silicon compound which has, in one molecule, two or more of functional groups (a) represented by the formula -SiR 1 R 2 R 3 (wherein R 1 , R 2 and R 3 represent alkyl groups, alkoxyl groups or hydroxyl groups, and at least one of them is an alkoxyl group) and at least one hydrophilic functional group (b) selected from hydroxyl groups, amino groups, carboxyl groups, phosphoric acid groups, phosphonic acid groups, sulfonic acid groups, polyoxyethylene chains and amido groups, and has a molecular weight, per one functional group (b), of 100 to 10,000, is compounded; a surface-treating process; and a surface-treated metallic material. The treating agent can form a coating having not only excellent corrosion resistance and adhesion, but such heat resistance, weldability, continuous workability and electric conductivity as an inorganic coating has, and such fingerprint resistance and paint adhesion as an organic coating has.

5. 发明公开

EP3075879A4 METHOD FOR TREATING SURFACE OF ZINC-ALUMINUM-MAGNESIUM ALLOY-PLATED STEEL SHEET 有权
标题翻译： VERFAHREN ZUROBERFLÄCHENBEHANDLUNGVON MIT EINER ZINK-ALUMINUM-MAGNESIUM-LEGIERUNG BESCHICHTETEM STAHLBLECH
公开(公告)号：EP3075879A4
公开(公告)日：2017-08-16
申请号：EP14866659
申请日：2014-11-28
申请人： NISSHIN STEEL CO LTD
发明人： MIURA YUSUKE , NAKAMURA SHINTARO , NAKANO TADASHI , YAMAMOTO MASAYA , TAKETSU HIROFUMI
IPC分类号： C23C22/44 , C22C18/04 , C23C2/06 , C23C22/36
CPC分类号： C23C22/44 , C22C18/00 , C22C18/04 , C23C2/06 , C23C2/26
摘要： Provided is a method for obtaining a chemical conversion coating-treated zinc-aluminum-magnesium alloy-plated steel sheet having extremely excellent in corrosion resistance and adhesiveness to a resin coating film. The method is for treating the surface of a zinc-aluminum-magnesium alloy-plated steel sheet with a metal surface treatment agent, in which the metal surface treatment agent contains a compound (A) having a zirconyl ([Zr=O] 2+ ) structure, a vanadium compound (B), a titanium fluorocomplex compound (C), an organic phosphorus compound (Da) containing a phosphoric acid group and/or a phosphonic acid group, an inorganic phosphorus compound (Db), a specific aqueous acrylic resin (E), and an oxazoline group-containing polymer (F) as a curing agent, each in a predetermined amount, and the pH of the metal surface treatment agent is 3 to 6.
摘要翻译：本发明提供一种获得耐腐蚀性和对树脂涂膜的密合性非常优异的化学转化处理被膜处理锌 - 铝 - 镁合金电镀钢板的方法。该方法是用金属表面处理剂处理镀锌 - 镁 - 镁合金钢板的表面，其中金属表面处理剂含有具有氧化锆（[Zr = O] 2+）的化合物（A））结构，钒化合物（B），钛氟化物化合物（C），含有磷酸基和/或膦酸基的有机磷化合物（Da），无机磷化合物（Db），特定的含水丙烯酸树脂（E）和含有恶唑啉基的聚合物（F）作为固化剂，各自以规定量混合，金属表面处理剂的pH为3〜6。

6. 发明授权

EP2537674B1 ALUMINUM OR ALUMINUM ALLOY MATERIAL HAVING SURFACE TREATMENT COATING FILM, AND SURFACE TREATMENT METHOD THEREFOR 有权
标题翻译：铝或铝合金材料与表面涂层薄膜和表面处理及其方法
公开(公告)号：EP2537674B1
公开(公告)日：2017-04-12
申请号：EP11742204.8
申请日：2011-02-08
申请人： Denso Corporation
发明人： BANNAI, Hirokatsu , OKAMOTO, Yoshiyuki , NAKAMURA, Kenji , HIROSE, Takayuki , KASEBE Osamu , NISHIYA, Shin , KOBAYASHI, Kengo
IPC分类号： B32B15/082 , C22C21/00 , C23C22/40 , C23C28/00 , C09D5/08 , C09D5/14 , C23C22/44 , F28F13/18 , F28F19/02
CPC分类号： C23C28/00 , C09D5/08 , C09D5/14 , C23C22/44 , F28F13/182 , F28F19/02 , Y10T428/12556 , Y10T428/12569 , Y10T428/12618 , Y10T428/1266 , Y10T428/12736 , Y10T428/12743 , Y10T428/12806 , Y10T428/31692

7. 发明公开

EP3130691A1 PLATED STEEL SHEET 审中-公开
标题翻译： PLATTIERTES STAHLBLECH
公开(公告)号：EP3130691A1
公开(公告)日：2017-02-15
申请号：EP15776519.9
申请日：2015-04-08
申请人： Nippon Steel & Sumitomo Metal Corporation
发明人： KUROSAKI, Masao , YAMAGUCHI, Shinichi
IPC分类号： C23C28/00 , B32B15/01 , C23C22/36 , C25D5/26 , C25D7/00
CPC分类号： C23C22/44 , B32B15/012 , B32B15/013 , B32B15/015 , C22C9/06 , C22C12/00 , C22C13/00 , C22C18/00 , C22C28/00 , C23C22/36 , C23C28/00 , C23C28/02 , C23C28/021 , C23C28/023 , C23C28/025 , C23C28/30 , C23C28/321 , C23C28/34 , C23C30/00 , C23C30/005 , C23C2222/20 , C25D3/04 , C25D3/12 , C25D3/22 , C25D3/30 , C25D3/38 , C25D3/54 , C25D3/565 , C25D3/60 , Y10T428/12681 , Y10T428/12722 , Y10T428/12757 , Y10T428/12799 , Y10T428/12806 , Y10T428/12819 , Y10T428/12917 , Y10T428/12937 , Y10T428/12951 , Y10T428/12972 , Y10T428/12979 , Y10T428/24942 , Y10T428/2495 , Y10T428/24967 , Y10T428/24975 , Y10T428/263 , Y10T428/264 , Y10T428/265 , Y10T428/27 , Y10T428/31678
摘要： A plated steel sheet (1) includes: a steel sheet (2); a pre-plating layer (3) on at least one surface of the steel sheet (2), the pre-plating layer (3) containing Al, Cu, In, Zn, Sn, or Sb, or any combination thereof; and a plating layer (4) of a Zn-Ni alloy on the pre-plating layer (3), a Ni content of the Zn-Ni alloy being 5 mass% to 15 mass%. A coating weight of the pre-plating layer (3) is 0.5 g/m 2 or more, and a coating weight of the plating layer (4) is 5 g/m 2 or more.
摘要翻译：电镀钢板（1）包括：钢板（2）; 在钢板（2）的至少一个表面上的预镀层（3），含有Al，Cu，In，Zn，Sn或Sb的预镀层（3）或其任何组合; 和预镀层（3）上的Zn-Ni合金的镀层（4），Zn-Ni合金的Ni含量为5质量％〜15质量％。预镀层（3）的涂层重量为0.5g / m 2以上，镀层（4）的涂布量为5g / m 2以上。

8. 发明公开

EP2957657A4 SINGLE-SIDED ELECTRO-GALVANIZED NON-CHROME SURFACE TREATMENT STEEL PLATE FOR FUEL TANK, AND SURFACE TREATMENT AGENT 有权
标题翻译：单边电镀锌无铬表面处理钢板油箱和表面处理剂
公开(公告)号：EP2957657A4
公开(公告)日：2016-12-14
申请号：EP13873622
申请日：2014-01-14
申请人： BAOSHAN IRON & STEEL
发明人： ZHAO YANLIANG , DAI YIGANG , ZHANG JIANPING , ZHU LAN
IPC分类号： C23C22/36 , C23C22/44 , C23C22/53 , C25D5/48 , C25D7/06
CPC分类号： C25D5/48 , B05D1/28 , C23C22/44 , C23C2222/20 , C25D7/0614 , Y10T428/12535
摘要： An inorganic water surface treatment agent for a single-sided electro-galvanized non-chrome surface treatment steel plate, and a single-sided electro-galvanized non-chrome surface treatment steel plate for a fuel tank and a manufacturing method thereof. The inorganic water surface treatment agent for a single-sided electro-galvanized non-chrome surface treatment steel plate comprises a metal ion compound containing at least one of Zn2+, Mn2+, Mg2+, Ni2+, Al3+ and Ca2+; a vanadium contained compound with at least one of V4+ and V5+; a compound comprising at least one of a phosphoric acid, a pyrophosphoric acid, a metaphosphoric acid, an organic acid and an ammonium salt; a fluoric acid comprising at least one of Zr, Ti, Si, and Ha; a silane coupling agent comprising at least one of a vinyl silane coupling agent, amino silane coupling agent, an epoxy silane coupling agent, and acryloyl silane coupling agent; a silicasol with a grain size of less than 100 nm; and a surface active agent comprising at least one of a carboxylate, a sulfate salt, sulfonate and a phosphate salt. A total solid content of the surface treatment agent is 2wt% to 20wt%. By using the method for manufacturing the a single-sided electro-galvanized non-chrome surface treatment steel plate for a fuel tank, after the surface of the single-sided electro-galvanized steel plate layer is solidified in 70 to 100 degrees centigrade after the surface is coated by using the foregoing surface treatment agent, and oil coating processing is performed finally, so as to obtain a 10 to600 mg/m2 membrane.

9. 发明授权

EP2623635B1 PRODUCTION METHOD FOR GALVANIZED STEEL SHEET AND GALVANIZED STEEL SHEET 有权
标题翻译：处理对镀锌钢板和镀锌钢板
公开(公告)号：EP2623635B1
公开(公告)日：2015-10-28
申请号：EP11828449.6
申请日：2011-09-29
申请人： JFE Steel Corporation
发明人： MATSUDA, Takeshi , MATSUZAKI, Akira , TAKASHIMA, Katsutoshi
IPC分类号： C23C22/40 , C09D5/08
CPC分类号： C23C28/00 , C08G18/0814 , C09D5/084 , C09D5/24 , C09D175/04 , C23C22/40 , C23C22/42 , C23C22/44 , C23C28/021 , C23C28/025 , C23C2222/20 , Y10T428/12569

10. 发明授权

EP2623637B1 GALVANIZED STEEL SHEET 有权
标题翻译：镀锌钢板
公开(公告)号：EP2623637B1
公开(公告)日：2015-08-26
申请号：EP11829419.8
申请日：2011-09-28
申请人： JFE Steel Corporation
发明人： MATSUDA, Takeshi , MATSUZAKI, Akira , TAKASHIMA, Katsutoshi
IPC分类号： C23C22/40 , B32B15/08 , C09D5/08
CPC分类号： C23C22/73 , B05D3/0254 , C09D5/08 , C23C22/40 , C23C22/42 , C23C22/44 , C23C2222/20 , Y10T428/12549

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