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    • 8. 发明授权
    • Water-reducible coating composition for providing corrosion protection
    • 用于提供防腐蚀的水可稀释涂料组合物
    • US06270884B1
    • 2001-08-07
    • US09366268
    • 1999-08-02
    • Donald J. GuhdeTerry E. DorsettEtienne MazeVictor V. GermanoWalter H. Gunn
    • Donald J. GuhdeTerry E. DorsettEtienne MazeVictor V. GermanoWalter H. Gunn
    • B32B516
    • C09D5/10C09D4/00C09D183/06Y10T428/25Y10T428/259Y10T428/273C08G77/04C08L2666/54
    • There is disclosed a water-reducible, chrome-free coating composition for providing corrosion protection to a substrate, such as a metal substrate. The deposited coating film is corrosion-resistant and, for coated articles which are threaded, e.g., steel fasteners, the coating provides a non-thread-filling coating. The coating composition contains particulate metal, such as particulate zinc or aluminum. Although substituents can be separately packaged, the composition is virtually always a one-package coating composition. The composition is water-based, while also containing low-boiling organic liquid. The composition also contains water-reducible organofunctional silane, particularly an epoxy functional silane, as a binding agent. The composition has highly desirable, extended shelf life. The composition can be easily applied in usual manner, such as dip-drain or dip-spin technique, and readily cures at elevated temperature.
    • 公开了一种用于向诸如金属基底的基底提供腐蚀保护的可水稀释的无铬涂料组合物。 沉积的涂膜是耐腐蚀的,并且对于例如钢制紧固件的螺纹的涂覆制品,涂层提供非螺纹填充涂层。 涂料组合物含有颗粒状金属,如颗粒状锌或铝。 虽然取代基可以单独包装,但组合物实际上总是单组分涂料组合物。 组合物是水性的,同时还含有低沸点有机液体。 该组合物还含有可水稀释的有机官能硅烷,特别是环氧官能的硅烷作为粘合剂。 该组合物具有非常理想的延长保质期。 组合物可以以常规方式容易地应用,例如浸渍或浸渍 - 旋涂技术,并且在升高的温度下容易固化。