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公开(公告)号：US4889602A
公开(公告)日：1989-12-26
申请号：US186788
申请日：1988-04-25
申请人： Katsuhide Oshima , Toshiaki Murai , Hitoshi Sakurai , Shuji Igarashi , Haruo Hanagata , Hidesato Igarashi
发明人： Katsuhide Oshima , Toshiaki Murai , Hitoshi Sakurai , Shuji Igarashi , Haruo Hanagata , Hidesato Igarashi
IPC分类号： C25D3/56
CPC分类号： C25D3/565
摘要： The invention provides an electroplating bath for forming a zinc-nickel alloy coating consisting essentially of water, about 1 to 70 grams/liter of zinc, about 0.6 to 118 grams per liter of nickel, at least one compound from the group consisting of (i) aliphatic amines in an amount not more than 16 grams/liter, (ii) polymers of aliphatic amines in an amount not more than about 20 grams per liter and (iii) a compound selected from the group consisting of hydroxyaliphatic carboxylic acids and salts thereof in an amount from 0 to 2 mols/liter, said bath having a pH of more than 11. The invention also provides an electroplating method for forming a chromate coating on a zinc-nickel alloy coating electrolytically deposited from the electroplating bath defined in the preceding sentence on electrically conductive metalics matrix material, and forming a chromate coating on the zinc-nickel alloy coating by means of a chromate treatment.
摘要翻译： 本发明提供一种用于形成锌 - 镍合金涂层的电镀浴，其基本上由水组成，约1至70克/升锌，约0.6至118克/升镍，至少一种由（i ）脂肪胺，其量不超过16克/升，（ii）脂族胺的聚合物的量不超过约20克/升，和（iii）选自羟基脂族羧酸及其盐的化合物 所述浴的pH值大于11.本发明还提供一种电镀方法，用于在由前述电镀液中定义的电镀浴电沉积的锌 - 镍合金涂层上形成铬酸盐涂层 对导电金属基质材料进行判断，并通过铬酸盐处理在锌 - 镍合金涂层上形成铬酸盐涂层。
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公开(公告)号：US4163700A
公开(公告)日：1979-08-07
申请号：US952204
申请日：1978-10-17
摘要： A method for stabilizing tin or tin alloy electroplating baths containing citric acid or its salt and an ammonium salt, by adding at least one saturated hydroxycarboxylic acid or its salt other than citric acid or citrate and/or at least one saturated dibasic carboxylic acid.
摘要翻译： 通过添加除了柠檬酸或柠檬酸盐和/或至少一种饱和二元羧酸之外的至少一种饱和羟基羧酸或其盐，稳定含有柠檬酸或其盐和铵盐的锡或锡合金电镀浴的方法。
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公开(公告)号：US5653796A
公开(公告)日：1997-08-05
申请号：US623864
申请日：1996-03-29
申请人： Masaru Kawai , Shuji Igarashi
发明人： Masaru Kawai , Shuji Igarashi
IPC分类号： C04B22/00 , C04B22/16 , C04B103/12 , C04B103/60 , C04B103/61 , C23C18/16
CPC分类号： C04B22/16 , C04B22/0006 , C04B2103/12 , C04B2103/601 , C04B2103/61
摘要： An admixture for cement comprises phosphorous acid and/or a salt thereof or a waste fluid originated from an electroless nickel-plating process which contains phosphorous acid and/or a salt thereof. The admixture is used as a setting accelerator, a rust proofing agent for reinforcing steel or a frost resistive agent for concrete and mortar as hydraulic cement blends. The admixture not only permits improvement of the resulting concrete in the setting-accelerating effect, but also can maintain the compressive strength at a high level while maintaining the bleeding rate at a low level.
摘要翻译： 用于水泥的混合物包含亚磷酸和/或其盐或源自含有亚磷酸和/或其盐的化学镀镍方法的废液。 该混合物用作固化促进剂，用于钢筋的防锈剂或用作混凝土和砂浆的防霜剂作为水硬性水泥混合物。 混合物不仅可以改善凝固加速效果的混凝土，而且可以将压缩强度保持在高水平，同时将渗流速率保持在低水平。
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公开(公告)号：US4168223A
公开(公告)日：1979-09-18
申请号：US960944
申请日：1978-11-15
摘要： An electroplating bath for depositing tin or a tin alloy with satisfactory brightness, which comprises a mother bath of a pH-value ranging from 4 to 8 and containing citric acid or its salt, an ammonium salt and a water-soluble polymer as a brightener. The bath may further comprise an aldehyde compound as a co-brightener.
摘要翻译： 一种用于沉积具有令人满意的亮度的锡或锡合金的电镀浴，其包括pH值为4至8的含有柠檬酸或其盐的母液，铵盐和作为增白剂的水溶性聚合物。 浴可以进一步包含作为共增白剂的醛化合物。
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