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    • 2. 发明授权
    • Zr-/Ti-containing phosphating solution for passivation of metal composite surfaces
    • 用于钝化金属复合材料表面的含Zr / Ti的磷化液
    • US08801871B2
    • 2014-08-12
    • US12427785
    • 2009-04-22
    • Jan-Willem BrouwerJens KrömerMatthias HamacherStephan WinkelsFrank-Oliver PilarekMarc Balzer
    • Jan-Willem BrouwerJens KrömerMatthias HamacherStephan WinkelsFrank-Oliver PilarekMarc Balzer
    • C23C22/12C23C22/07
    • C23C22/365Y10T428/12757
    • The present invention relates to an aqueous composition and to a method for the anticorrosion conversion treatment of metallic surfaces, particularly metallic materials which are assembled into composite structures, comprising steel or galvanized or alloy-galvanized steel and any combinations of these materials, the composite structure being composed at least in part of aluminum or the alloys thereof. The aqueous composition according to the invention is based on a phosphating solution and contains, in addition to water-soluble compounds of zirconium and titanium, a quantity of free fluoride in a ratio that both permits phosphating of the steel and galvanized and/or alloy-galvanized steel surfaces and determines low pickling rates with regard to the aluminum substrate with simultaneous passivation of the aluminum. The metallic materials, components and composite structures conversion treated in accordance with the underlying invention are used in automotive body construction, in shipbuilding, in construction and for the production of white goods.
    • 本发明涉及水性组合物和金属表面的防腐蚀转化处理方法,特别是组装成复合结构的金属材料,包括钢或镀锌或合金镀锌钢以及这些材料的任何组合,复合结构 至少部分由铝或其合金构成。 根据本发明的水性组合物基于磷酸盐溶液,除了锆和钛的水溶性化合物之外,还含有一定量的游离氟化物,其比例允许钢的磷化和镀锌和/或合金 - 镀锌钢表面,并确定与铝基板相同的钝化铝的酸洗率。 根据本发明处理的金属材料,组分和复合结构转化用于汽车车身结构,造船,建筑和生产白色家电。
    • 10. 发明授权
    • Composition for the alkaline passivation of zinc surfaces
    • 锌表面的碱性钝化的组成
    • US09228088B2
    • 2016-01-05
    • US13566155
    • 2012-08-03
    • Jan-Willem BrouwerJens KroemerWilliam E. FristadAnnette Willer
    • Jan-Willem BrouwerJens KroemerWilliam E. FristadAnnette Willer
    • C23C22/60C23C22/34C23C22/78C23C22/83C09D5/08C23C22/73
    • C09D5/08C23C22/34C23C22/60C23C22/73C23C22/78
    • The present invention relates to an aqueous alkaline composition (A) for alkaline passivation of metallic components comprising at least in part surfaces of zinc or zinc alloys, containing iron(III) ions, phosphate ions, and one or more complexing agents, where a free alkalinity ranges from 1 to 6 points, and the pH is at least 11. The aqueous compositions (A) can additionally contain nonionic surfactants, so that such compositions are suitable for use in a method in which both cleaning and alkaline passivation of the metallic component occur in one step. The present invention further relates to a method for alkaline passivation of metallic components by contacting them with composition (A), and further a method for surface treatment in automobile body production, in which the alkaline passivation step using composition (A) is followed by an acid passivation step using a composition (B).
    • 本发明涉及用于金属组分的碱性钝化的碱性水溶液组合物(A),其包含至少部分含有铁(III)离子,磷酸根离子和一种或多种络合剂的锌或锌合金表面,其中, 碱度范围为1至6个点,pH值至少为11.水性组合物(A)可另外含有非离子表面活性剂,因此这些组合物适用于金属组分的清洁和碱性钝化两者的方法 发生在一个步骤。 本发明还涉及一种通过使其与组合物(A)接触来进行金属组分的碱钝化的方法,还涉及一种使用组合物(A)的碱性钝化步骤之后是一种用于汽车车身制造中的表面处理方法, 酸钝化步骤使用组合物(B)。