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    • 70. 发明申请
    • AQUEOUS PROTECTIVE COATING COMPOSITION FOR CHROMIUM SURFACES
    • 铬表面用水性防护涂料组合物
    • WO2018052719A1
    • 2018-03-22
    • PCT/US2017/049542
    • 2017-08-31
    • 3M INNOVATIVE PROPERTIES COMPANY
    • SCHUELL, Christoph T.R.JING, Naiyong
    • C09D7/00C09D5/00
    • C09D7/00C09D5/00
    • The present disclosure relates to a protective coating composition for reducing oily contamination from a chromium surface, wherein the composition comprises: a) a first hydrophilic functional silane; b) optionally, a second hydrophilic functional silane distinct from the first hydrophilic functional silane; c) optionally, a multivalent metal salt; d) optionally a metal silicate; and e) a solvent comprising water. In another aspect, the present disclosure is directed to a method of reducing oily contamination from a chromium surface, which comprises the steps of: a) providing a chromium surface; b) applying a coating composition as described above to the chromium surface thereby forming a layer of the coating composition adjacent to the chromium surface; and c) drying and/or curing the layer of the coating composition thereby forming a coating layer adjacent to the chromium surface. According to still another aspect, the present disclosure is directed to a coated article comprising a chromium surface and a coating layer adjacent to the chromium surface, wherein the coating layer comprises a layer of the coating composition as described above which has been dried and/or cured onto the chromium surface
    • 本公开涉及用于减少来自铬表面的油污染的保护性涂料组合物,其中所述组合物包含:a)第一亲水性官能硅烷; b)任选地,不同于第一亲水性官能硅烷的第二亲水性官能硅烷; c)任选地,多价金属盐; d)任选的金属硅酸盐; 和e)包含水的溶剂。 另一方面,本公开涉及一种减少来自铬表面的油污的方法,该方法包括以下步骤:a)提供铬表面; b)将如上所述的涂料组合物施涂到铬表面上,从而在铬表面附近形成一层涂料组合物; 和c)干燥和/或固化涂层组合物层,从而在铬表面附近形成涂层。 根据又一方面,本公开涉及一种涂层制品,其包含铬表面和与所述铬表面相邻的涂层,其中所述涂层包含如上所述的涂层组合物层,所述涂层组合物已被干燥和/或 固化到铬表面上