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    • 5. 发明授权
    • Process and composition for conversion coating with improved heat stability
    • 具有改善热稳定性的转化涂层的工艺和组成
    • US06558480B1
    • 2003-05-06
    • US09807159
    • 2001-07-23
    • Gary L. RochfortTimm L. KellyRichard D. Banaszak
    • Gary L. RochfortTimm L. KellyRichard D. Banaszak
    • C23C2200
    • C23C22/34
    • A conversion coating that does not substantially diminish the luster of a metal surface on which it is coated nor impair adhesion to the surface of lacquers and printing inks commonly used on beverage containers may be provided by contacting the metal surface with an aqueous liquid composition comprising water and at least the following components: (A) a component of one or more dissolved transition metal compounds that contain zirconium and may also include titanium, provided that zirconium constitutes more than 30% of the moles of the total moles or zirconium and titanium; (B) a component of at least one dissolved compound that contains inorganically bonded fluorine and is not part of component (A); and (C) a component of dissolved organic polymer molecules.
    • 可以通过使金属表面与包含水的水性液体组合物接触来提供不会显着降低其上涂覆的金属表面的光泽或损害对表面和通常用于饮料容器上的印刷油墨的表面的转化涂层 和至少以下组分:(A)含有锆的一种或多种溶解的过渡金属化合物的组分,并且还可以包括钛,条件是锆占总摩尔数的30%以上或锆和钛; (B)至少一种含有无机结合的氟并且不是组分(A)的一部分的溶解化合物的组分; 和(C)溶解的有机聚合物分子的组分。