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    • 1. 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。
    • 4. 发明授权
    • Process for the chemical treatment of metal surfaces and installation suitable therefor
    • 金属表面化学处理方法及其适用的安装方法
    • US06171409B2
    • 2001-01-09
    • US09356310
    • 1999-07-16
    • Matthias HamacherBerhard KotschyPeter Kuhm
    • Matthias HamacherBerhard KotschyPeter Kuhm
    • C23C2207
    • C23G1/106C23C22/73C23G1/08
    • Metal surfaces are contacted with a solution of a process bath (1), for example a phosphating or pickling solution, which comprises several components in aqueous solution, the composition of the process bath (1) being maintained within a given range by addition of solutions or gases, in particular air. The profitability is improved considerably if the solution of the process bath (1) is circulated via a first line (2) and a circulating pump (3) and the solution to be added and/or the gas to be added is fed to the process bath where, as a consequence of the ending of the line (2), vigorous thorough mixing prevails, or if the solution to be added or the gas to be added is fed to a suction pump (4), the solution to be added or the gas to be added mixing with the circulated solution.
    • 将金属表面与处理浴(1)的溶液接触,例如磷酸盐或酸洗溶液,其在水溶液中包含若干组分,通过加入溶液将工艺浴(1)的组成保持在给定范围内 或气体,特别是空气。 如果处理浴(1)的溶液经由第一管线(2)和循环泵(3)循环,并且待添加的溶液和/或待添加的气体被供给到过程中,则利润率显着提高 浴,其中由于(2)行的结束,剧烈充分的混合占优势,或者如果要添加的溶液或待添加的气体被供给到抽吸泵(4),则添加的溶液或 待加入的气体与循环溶液混合。