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    MULTISTAGE PRETREATMENT OF TINPLATE PRIOR TO THE COATING THEREOF WITH LACQUER
    2.
    发明申请
    MULTISTAGE PRETREATMENT OF TINPLATE PRIOR TO THE COATING THEREOF WITH LACQUER 有权
    使用LACQUER进行涂料的多层预处理

    公开(公告)号：US20130299379A1

    公开(公告)日：2013-11-14

    申请号：US13943111

    申请日：2013-07-16

    申请人： Henkel AG & Co. KGaA

    发明人： Uta Sundermeier ,  Michael Wolpers ,  Marcel Roth ,  Jurgen Stodt

    IPC分类号： C25D11/00 ,  B65D85/72

    CPC分类号： C25D11/00 ,  B65D85/72 ,  C23C28/00 ,  C23C28/04 ,  C25D11/16 ,  C25D11/34

    摘要： The invention relates to a two-stage method for the anti-corrosive pretreatment of tinplate, in which an anti-corrosive primer coating is already applied in a first step, said primer coating effectively preventing the shiny metal surface of the pretreated tinplate from turning black when the pretreated tinplate of the invention that is provided with a coating lacquer is in contact with liquids containing or releasing sulfur compounds and with food containing protein. In the disclosed method, the tinplate is anodically polarized in an electrolyte containing at least one inert water-soluble salt and is then brought in contact with an acidic aqueous composition containing water-soluble inorganic compounds of the elements Zr, Ti, Hf, and/or Si. Tinplate pretreated according to the invention can be used in particular for the production of food-safe packaging such as beverage cans or tin cans.

    摘要翻译： 本发明涉及一种用于马口铁的防腐蚀预处理的两段方法，其中在第一步骤中已经施加了防腐底漆涂层，所述底漆涂层有效地防止了经处理的马口铁的光泽金属表面变黑 当设有涂料漆的本发明的预处理马口铁与含有或释放硫化合物的液体和含食物的蛋白质接触时。 在所公开的方法中，马赛克在包含至少一种惰性水溶性盐的电解液中进行阳极极化，然后与含有元素Zr，Ti，Hf和/或其组分的水溶性无机化合物的酸性含水组合物接触， 或Si。 根据本发明预处理的马口铁可特别用于生产食品安全包装如饮料罐或锡罐。

    Pretreatment of tinplate prior to the coating thereof with lacquer
    3.
    发明授权
    Pretreatment of tinplate prior to the coating thereof with lacquer 有权

    公开(公告)号：US09909227B2

    公开(公告)日：2018-03-06

    申请号：US13798353

    申请日：2013-03-13

    申请人： HENKEL AG & CO. KGAA

    发明人： Uta Sundermeier ,  Michael Wolpers ,  Marcel Roth ,  Jürgen Stodt

    IPC分类号： C25D9/06 ,  C25D11/34

    CPC分类号： C25D9/06 ,  C25D11/34

    摘要： The invention relates to a method for the anti-corrosive pretreatment of tinplate, in which an anti-corrosive primer coating is applied in a single step, said primer coating effectively preventing the shiny metal surface of the pretreated tinplate from turning black when the pretreated tinplate of the invention that is provided with a topcoat is in contact with liquids releasing or containing sulfur compounds and with food containing protein. In the disclosed method, the tinplate is anodically polarized in an electrolyte containing silicates of formula M2O.nSiO2, where M is an alkali metal ion or quaternary ammonium ion and n is a natural number between 0.8 and 7. Tinplate pretreated according to the invention can be used in particular for the production of food-safe packaging such as beverage cans or tin cans.

    Metal Pretreatment With Acidic Aqueous Compositions Comprising Silanes
    4.
    发明申请
    Metal Pretreatment With Acidic Aqueous Compositions Comprising Silanes 审中-公开
    含酸性含水组合物的金属预处理

    公开(公告)号：US20160152838A1

    公开(公告)日：2016-06-02

    申请号：US15015558

    申请日：2016-02-04

    申请人： Henkel AG & Co. KGaA

    发明人： Michael Wolpers ,  Jurgen Stodt ,  Uta Sundermeier ,  Qi Zhang

    IPC分类号： C09D5/08 ,  C23C22/48 ,  C23C22/73 ,  C23C22/34

    CPC分类号： C09D5/088 ,  B32B15/04 ,  B32B15/082 ,  B32B15/095 ,  C09D5/082 ,  C23C22/34 ,  C23C22/361 ,  C23C22/48 ,  C23C22/73 ,  C23C2222/20

    摘要： The invention is directed to an acidic aqueous metal pretreatment solution that comprises amino-functional organosilanes, complex anions of the elements Zr, Ti, Hf and/or Si as well as oxyacids of phosphorus; a process for the treatment of metal substrates, especially selected from zinc and zinc-coated steel substrates, wherein metal pretreatment solutions of this invention are applied to reduce corrosion when applied to metal surfaces and in addition confer good adhesion properties for subsequently coated organic lacquers.

    摘要翻译： 本发明涉及酸性含水金属预处理溶液，其包含氨基官能的有机硅烷，元素Zr，Ti，Hf和/或Si的复合阴离子以及磷的含氧酸; 用于处理金属基材的方法，特别是选自锌和锌涂层的钢基材，其中应用本发明的金属预处理溶液以在施加到金属表面时减少腐蚀，并且另外赋予随后涂覆的有机漆更好的粘合性能。

    Pretreating zinc surfaces prior to a passivating process
    5.
    发明授权
    Pretreating zinc surfaces prior to a passivating process 有权

    公开(公告)号：US10227686B2

    公开(公告)日：2019-03-12

    申请号：US14466377

    申请日：2014-08-22

    申请人： HENKEL AG & CO. KGaA

    发明人： Andreas Arnold ,  Michael Wolpers ,  Marcel Roth ,  Uta Sundermeier

    IPC分类号： C23C22/60 ,  C23C22/00 ,  C23C8/02 ,  C23C22/18 ,  C23C22/34 ,  C23C22/73 ,  C23C22/78 ,  C23C22/83 ,  C23C8/40

    摘要： The invention relates to a wet-chemical pretreatment of zinc surfaces prior to applying a corrosion-protection coating, which deposits a thin inorganic coating of oxide and/or metallic iron. An iron layer structure which is applied according to the invention, hereinafter referred to as ferrization, improves the achievable corrosion protection of wet-chemical conversion coatings on zinc surfaces. Furthermore, the ferrization process causes both a reduction of the contact corrosion of joined metal components which have zinc and iron surfaces as well as a reduction of corrosive coating migration on cut edges of galvanized steel strips with coating layer structures. In particular, the invention relates to an alkaline composition containing an iron ion source, a reducing agent based on oxoacids of nitrogen and phosphorus, and water-soluble organic carboxylic acids with an amino group at the α, β, or γ position with respect to the acid group and/or the water-soluble salts thereof.

    Electrolytic iron metallizing of zinc surfaces
    9.
    发明授权
    Electrolytic iron metallizing of zinc surfaces 有权
    锌表面的电解铁金属化

    公开(公告)号：US09309602B2

    公开(公告)日：2016-04-12

    申请号：US13795528

    申请日：2013-03-12

    申请人： HENKEL AG & CO. KGAA

    发明人： Michael Wolpers ,  Marcel Roth ,  Jürgen Stodt ,  Andreas Arnold

    IPC分类号： C23C28/00 ,  C25D3/20 ,  C25D5/36 ,  C23C22/78

    CPC分类号： C25D3/20 ,  C23C22/78 ,  C25D5/36

    摘要： The present invention relates to a method for the metallizing pretreatment of galvanized and/or alloy-galvanized steel surfaces or joined metallic components having at least some zinc surfaces, wherein a thin surface layer of iron is deposited on the zinc surfaces from an aqueous electrolyte containing water-soluble compounds that are a source of iron cations. The method is performed at least partially or continuously under application of an electrolytic voltage, the galvanized and/or alloy-galvanized steel surfaces being connected as cathode. The aqueous electrolyte additionally contains an accelerator selected from oxo acids of the elements phosphorus, nitrogen and/or sulfur, the elements phosphorus, nitrogen and/or sulfur being present in moderate oxidation states.

    摘要翻译： 本发明涉及一种用于金属化镀锌和/或合金镀锌钢表面或具有至少一些锌表面的接合金属组分的预处理的方法，其中铁的薄表面层从含有电解质的含水电解质沉积在锌表面上 作为铁阳离子来源的水溶性化合物。 该方法在电解电压的施加下至少部分或连续地进行，镀锌和/或合金镀锌钢表面作为阴极连接。 含水电解质还含有选自磷，氮和/或硫元素的含氧酸的促进剂，元素磷，氮和/或硫以中等氧化态存在。