Process for coating and/or touching up coatings on metal surfaces
    11.
    发明授权
    Process for coating and/or touching up coatings on metal surfaces 有权
    在金属表面上涂覆和/或接触涂层的方法

    公开(公告)号:US06361622B1

    公开(公告)日:2002-03-26

    申请号:US09486097

    申请日:2000-02-22

    IPC分类号: C23C2207

    摘要: A composition and method for coating and touching up a metal surface is provided. The composition contains from about 0.5 to about 240 millimoles per kilograms of a fluorometallate ion, from about 0.5 grams/liters to about 10 grams/liter of phosphorous-containing inorganic oxy anions calculated at their stoichiometric equivalent as H3PO4; from about 0.05 g/l to about 3.5 g/l of hexavalent chromium and from about 0.10 g/l to about 2.20 g/l of trivalent chromium ions.

    摘要翻译: 提供了用于涂覆和接触金属表面的组合物和方法。 该组合物含有约0.5至约240毫摩尔每千克氟金属离子,约0.5克/升至约10克/升的以其化学计量当量为H 3 PO 4计算的含磷无机氧阴离子; 约0.05g / l至约3.5g / l的六价铬和约0.10g / l至约2.20g / l的三价铬离子。

    Method of producing organic composite-plated steel sheet
    12.
    发明授权
    Method of producing organic composite-plated steel sheet 失效
    生产有机复合镀钢板的方法

    公开(公告)号:US5304401A

    公开(公告)日:1994-04-19

    申请号:US791244

    申请日:1991-11-13

    摘要: The present invention provides a method for producing a highly corrosion resistant organic composite-plated steel sheet which is inhibited from liberation of chromium, which comprises forming a chromate film comprising a composition of the following (A) as a first layer at a coating amount of 5-150 mg/m.sup.2 as a solid film on the surface of a zinc or zinc alloy plated or zinc composite alloy plated steel sheet and then, coating on the first layer an organic solvent coating composition of the following (B) as a second layer at a thickness of 0.3-5 .mu.m as a solid film.(A) coating type chromate bath composition1 Cr.sup.6+ : 1-30 g/l,2 Cr.sup.3+ : 1-30 g/l,3 Cr.sup.6+ /Cr.sup.3+ weight ratio: 0.2-2.0,4 HF+H.sub.3 PO.sub.4 : 1-60 g/l,5 HF+H.sub.3 PO.sub.4 /Cr.sup.3+ weight ratio: 0.5-3.5, and6 silane coupling agent/Cr.sup.6+ molar ratio: 0.05-0.3(B) organic solvent coating composition(a) a bisphenol epoxy resin having a number-average molecular weight of 300-100,000 in an amount of 30% by weight or more based on the solid content of the coating composition;(b) at least one curing agent selected from the group consisting of polyisocyanate compounds and blocked polyisocyanate compounds at 1/10-20/10 in a weight ratio to solid content of the epoxy resin;(c) fumed silica of 0.1-100 m.mu. in an average particle size in an amount of 5-50% by weight based on the solid content of the coating composition;(d) a ketone type organic solvent in an amount of 40% by weight or more based on the weight of the coating composition; and the solid content of the coating composition being in the range of 10-50% by weight.

    摘要翻译: 本发明提供一种抑制铬释放的高耐腐蚀有机复合镀覆钢板的制造方法,其特征在于,以含有下述(A)的组合物的方式形成含有下述(A)的组合物的铬酸盐膜,涂布量为 在锌或锌合金电镀或锌复合合金镀覆钢板的表面上作为固体膜的5-150mg / m 2,然后在第一层上涂覆作为第二层的以下(B)的有机溶剂涂料组合物 厚度为0.3-5(my)m,作为固体膜。 (A)涂层型铬酸盐浴组合物+ E,crc / 1 / Cr6 +:1-30g / l,+ E,crc / 2 / Cr3 +:1-30g / l,+ E,crc / 3 / Cr6 + / Cr3 +重量比:0.2-2.0,+ E,crc / 4 / HF + H 3 PO 4:1-60g / l,+ E,crc / 5 / HF + H 3 PO 4 / Cr 3+重量比:0.5-3.5和+ crc / 6 /硅烷偶联剂/ Cr6 +摩尔比:0.05-0.3(B)有机溶剂涂料组合物(a)数均分子量为300-100,000的双酚环氧树脂,其量为30重量%,或 更多地基于涂料组合物的固体含量; (b)至少一种选自多异氰酸酯化合物和封端多异氰酸酯化合物的固化剂,其量为环氧树脂固体含量的1 / 10-20 / 10; (c)基于涂料组合物的固体含量,平均粒度为5-50重量%的煅烧二氧化硅为0.1-100μm(my); (d)基于涂料组合物重量的40重量%以上的酮类有机溶剂; 并且涂料组合物的固体含量在10-50重量%的范围内。

    Metal surface treatment and aqueous solution therefor
    13.
    发明授权
    Metal surface treatment and aqueous solution therefor 失效
    金属表面处理及其水溶液

    公开(公告)号:US5246507A

    公开(公告)日:1993-09-21

    申请号:US819183

    申请日:1992-01-10

    摘要: A metal article is improved on its surface for the purpose of plating thereon by treatment with an additive of an anionic, cationic or amphoteric and water-soluble or water-self-dispersible organic polymer J, K or L. J is a polymer having an aromatic ring and OH group and a polar group. K is a polymer of hydroxystyrene having a polar group. L is a copolymer of hydroxystyrene having a polar group and a vinyl compound. The parted article is improved in corrosion resistance.

    摘要翻译: 通过用阴离子,阳离子或两性和水溶性或水自分散性有机聚合物J,K或L的添加剂进行处理,在其表面上改善金属制品,以便在其上镀覆.J是具有 芳环和OH基团和极性基团。 K是具有极性基团的羟基苯乙烯的聚合物。 L是具有极性基团的羟基苯乙烯和乙烯基化合物的共聚物。 分离制品的耐腐蚀性得到改善。

    Chromate passivating and storage stable concentrate solutions therefor
    20.
    发明授权
    Chromate passivating and storage stable concentrate solutions therefor 失效
    铬酸盐钝化和储存稳定的浓缩液

    公开(公告)号:US5807442A

    公开(公告)日:1998-09-15

    申请号:US881558

    申请日:1997-06-24

    申请人: Bruce H. Goodreau

    发明人: Bruce H. Goodreau

    IPC分类号: C23C22/38 C23C22/48

    CPC分类号: C23C22/38

    摘要: A concentrated aqueous solution containing: (A) a component of dissolved phosphate ions; (B) a component of dissolved hexavalent chromium; (C) a component of dissolved anions selected from the group consisting of BF.sub.4.sup.-, AlF.sub.6.sup.-3, SiF.sub.6.sup.-2, TiF.sub.6.sup.-2, FeF.sub.6.sup.-3, SnF.sub.6.sup.-2, ZrF.sub.6.sup.-2, and HfF.sub.6.sup.-2 ; and (D) a component of free fluoride ions; and, optionally and preferably, (E) a component of dissolved trivalent chromium; and, optionally, one or more of: (F) a component of dissolved organic substances produced by reducing some hexavalent chromium initially added to trivalent chromium; (G) a component of dissolved, stably suspended, or both dissolved and stably suspended film forming polymer molecules; and (H) a component of dissolved, stably suspended, or both dissolved and stably suspended substances selected from the group consisting of silica and silicates is more resistant to development of precipitates during extended storage than similar compositions without the free fluoride component, and upon dilution makes at least equally satisfactory working compositions for forming a chromate conversion "passivating" coating on zinciferous surfaces.

    摘要翻译: 浓缩水溶液,含有:(A)溶解磷酸根离子的成分; (B)溶解六价铬的成分; (C)选自BF4-,AlF6-3,SiF6-2,TiF6-2,FeF6-3,SnF6-2,ZrF6-2和HfF6-2的溶解性阴离子的组分; 和(D)游离氟离子的成分; 和(E)可溶的三价铬组分; 和(F)一种或多种:(F)通过还原一些最初添加到三价铬中的六价铬而生成的溶解的有机物质的组分; (G)溶解,稳定悬浮或溶解和稳定悬浮成膜聚合物分子两者的组分; 和(H)溶解的,稳定悬浮的,或者选自二氧化硅和硅酸盐的溶解和稳定悬浮物质的组分比在没有游离氟化物组分的类似组合物和稀释时更能抵抗在延长储存期间沉淀物的发展 使至少相当令人满意的工作组合物在镀锌表面上形成铬酸盐转化“钝化”涂层。