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    • 7. 发明授权
    • Electrodepositable coatings, aqueous rinsing systems for treating electrocoated substrates and processes related thereto
    • 电沉积涂层,用于处理电涂底物的水性漂洗系统及其相关工艺
    • US06290830B1
    • 2001-09-18
    • US09430229
    • 1999-10-29
    • Alan J. KayloNeil D. McMurdie
    • Alan J. KayloNeil D. McMurdie
    • C25D1310
    • C09D5/025C09D5/448C09D5/4492
    • The present invention provides electrodepositable compositions that in the absence of a microorganism control agent electrodeposit upon a surface of an electroconductive substrate as a substantially smooth film and which upon the addition of a microorganism control agent mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one result in an electrodepositable composition that upon electrodeposition onto the surface of the electroconductive substrate produces a comparatively rougher film, wherein all or a portion of the mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one is replaced with an aliphatic hydrocarbon material selected from halonitroalkanes, halonitroalkenes, hydroxyalkyl substituted nitroalkanes and mixtures thereof resulting in an electrodepositable compositions that upon electrodeposition onto the surface of the electroconductive substrate produce a substantially smooth film. Aqueous compositions for rinsing electrocoated substrates and processes including such aliphatic hydrocarbon materials are also disclosed.
    • 本发明提供了电沉积组合物,其在不存在微电极控制剂的情况下电沉积在导电基质的表面上,作为基本上光滑的膜,并且在加入5-氯-2-甲基-4- 异噻唑啉-3-酮和2-甲基-4-异噻唑啉-3-酮导致电沉积组合物,当电沉积在导电基材的表面上时,产生比较粗糙的薄膜,其中全部或部分的5-氯 -2-甲基-4-异噻唑啉-3-酮和2-甲基-4-异噻唑啉-3-酮被选自卤代硝基烷烃,卤代硝基烯烃,羟烷基取代的硝基烷烃及其混合物的脂族烃材料代替,得到电可沉积的组合物, 电沉积在导电基材的表面上产生基本平滑的膜。 还公开了用于漂洗电涂底物的水性组合物和包括这种脂族烃材料的方法。