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    • 1. 发明申请
    • PROCESS AND COMPOSITION FOR TREATING METAL SURFACES USING TRIVALENT CHROMIUM COMPOUNDS
    • 使用多种铬化合物处理金属表面的方法和组合物
    • US20140050855A1
    • 2014-02-20
    • US14058902
    • 2013-10-21
    • Richard J. Church
    • Richard J. Church
    • C09D5/00C09D5/08
    • C09D5/002C09D5/08C09D5/084C23C22/34C23C22/83C23C2222/10C23C2222/20
    • An acidic, aqueous composition contains a trivalent chromium compound, an organo-functional silane, and a compound of a group IV-B element. The composition protects metal surfaces, preferably aluminum and aluminum alloys, against corrosion and improves their paint adhesion. The trivalent chromium compound may comprise chromium fluoride and optionally others, such as chromium nitrate. The organo-functional silane is preferably an aminopropyltriethoxy silane, and the compound of a group IV-B element is preferably fluorozirconic acid. The composition can either be dried-in-place or rinsed before a further coating layer is applied. The composition may also include at least one polymer having a plurality of both carboxylic functional groups, alone or with hydroxyl groups. A process uses the aqueous composition either with or without the organo-functional silane along with a sealing step following the application of the aqueous composition; the sealing step involves applying a sealing composition, including an organo-functional silane, to the metal surface.
    • 酸性水性组合物含有三价铬化合物,有机功能性硅烷和IV-B族元素的化合物。 该组合物保护金属表面,优选铝和铝合金,防止腐蚀并改善其涂料附着力。 三价铬化合物可以包含氟化铬和任选的其它物质,例如硝酸铬。 有机官能硅烷优选为氨基丙基三乙氧基硅烷,IV-B族元素的化合物优选为氟锆酸。 组合物可以在施加另外的涂层之前进行就地干燥或漂洗。 该组合物还可以包括至少一种具有多个单独或与羟基的两个羧基官能团的聚合物。 一种方法使用具有或不具有有机官能硅烷的水性组合物以及施加含水组合物之后的密封步骤; 密封步骤包括将包括有机功能性硅烷的密封组合物施加到金属表面。
    • 2. 发明申请
    • PROCESS AND COMPOSITION FOR TREATING METAL SURFACES USING TRIVALENT CHROMIUM COMPOUNDS
    • 使用多种铬化合物处理金属表面的方法和组合物
    • US20090280253A1
    • 2009-11-12
    • US12116513
    • 2008-05-07
    • Richard J. Church
    • Richard J. Church
    • C09K13/08C23F1/00B05D3/10
    • C09D5/002C09D5/08C09D5/084C23C22/34C23C22/83C23C2222/10C23C2222/20
    • An acidic, aqueous composition contains a trivalent chromium compound, an organo-functional silane, and a compound of a group IV-B element. The composition protects metal surfaces, preferably aluminum and aluminum alloys, against corrosion and improves their paint adhesion. The trivalent chromium compound may comprise chromium fluoride and optionally others, such as chromium nitrate. The organo-functional silane is preferably an aminopropyltriethoxy silane, and the compound of a group IV-B element is preferably fluorozirconic acid. The composition can either be dried-in-place or rinsed before a further coating layer is applied. The composition may also include at least one polymer having a plurality of both carboxylic functional groups, alone or with hydroxyl groups. A process uses the aqueous composition either with or without the organo-functional silane along with a sealing step following the application of the aqueous composition; the sealing step involves applying a sealing composition, including an organo-functional silane, to the metal surface.
    • 酸性水性组合物含有三价铬化合物,有机功能性硅烷和IV-B族元素的化合物。 该组合物保护金属表面,优选铝和铝合金,防止腐蚀并改善其涂料附着力。 三价铬化合物可以包含氟化铬和任选的其它物质,例如硝酸铬。 有机官能硅烷优选为氨基丙基三乙氧基硅烷,IV-B族元素的化合物优选为氟锆酸。 组合物可以在施加另外的涂层之前进行就地干燥或漂洗。 该组合物还可以包括至少一种具有多个单独或与羟基的两个羧基官能团的聚合物。 一种方法使用具有或不具有有机官能硅烷的水性组合物以及施加含水组合物之后的密封步骤; 密封步骤包括将包括有机功能性硅烷的密封组合物施加到金属表面。
    • 3. 发明授权
    • Process and composition for treating metal surfaces using trivalent chromium compounds
    • 使用三价铬化合物处理金属表面的方法和组成
    • US08591670B2
    • 2013-11-26
    • US12116513
    • 2008-05-07
    • Richard J. Church
    • Richard J. Church
    • C23C22/30C23C22/34C23C22/00
    • C09D5/002C09D5/08C09D5/084C23C22/34C23C22/83C23C2222/10C23C2222/20
    • An acidic, aqueous composition contains a trivalent chromium compound, an organo-functional silane, and a compound of a group IV-B element. The composition protects metal surfaces, preferably aluminum and aluminum alloys, against corrosion and improves their paint adhesion. The trivalent chromium compound may comprise chromium fluoride and optionally others, such as chromium nitrate. The organo-functional silane is preferably an aminopropyltriethoxy silane, and the compound of a group IV-B element is preferably fluorozirconic acid. The composition can either be dried-in-place or rinsed before a further coating layer is applied. The composition may also include at least one polymer having a plurality of both carboxylic functional groups, alone or with hydroxyl groups. A process uses the aqueous composition either with or without the organo-functional silane along with a sealing step following the application of the aqueous composition; the sealing step involves applying a sealing composition, including an organo-functional silane, to the metal surface.
    • 酸性水性组合物含有三价铬化合物,有机功能性硅烷和IV-B族元素的化合物。 该组合物保护金属表面,优选铝和铝合金,防止腐蚀并改善其涂料附着力。 三价铬化合物可以包含氟化铬和任选的其它物质,例如硝酸铬。 有机官能硅烷优选为氨基丙基三乙氧基硅烷,IV-B族元素的化合物优选为氟锆酸。 组合物可以在施加另外的涂层之前进行就地干燥或漂洗。 该组合物还可以包括至少一种具有多个单独或与羟基的两个羧基官能团的聚合物。 一种方法使用具有或不具有有机官能硅烷的水性组合物以及施加含水组合物之后的密封步骤; 密封步骤包括将包括有机功能性硅烷的密封组合物施加到金属表面。