Surface-treated steel sheet coated with chromate film for fuel tanks and method of fabricating the same
    1.
    发明授权
    Surface-treated steel sheet coated with chromate film for fuel tanks and method of fabricating the same 失效
    用于油罐的涂有铬酸盐膜的表面处理钢板及其制造方法

    公开(公告)号:US06565671B1

    公开(公告)日:2003-05-20

    申请号:US09889809

    申请日:2001-07-20

    IPC分类号: C23C2200

    摘要: The present invention relates to a surface-treated steel sheet coated with a chromate layer having excellent corrosion resistance, fuel resistance and seam weldability, and a chromate solution used for preparing the surface-treated steel sheet. Specifically, the chromate solution of the present invention comprises (a) a main solution prepared by adding to a chrome solution having 0.4 to 0.8 of trivalent chrome composition and 7 to 50 g/l of dissolved chrome, on the basis of the chrome in the chrome solution, 50 to 80 w % of phosphate, 20 to 40 w % of fluoric acid, 300 to 2000 w % of colloidal silica, 5 to 15 w % of sulfuric acid, and 25 to 40 w % of sodium phosphate, and (b) a hardener solution containing added epoxy silane or glycidyl silane of 2 to 10 w % on the basis of total hardener solution, the pH of which is controlled between 2 and 3, wherein 10 to 60 w % of the hardener solution being added to the main solution.

    摘要翻译: 本发明涉及涂覆有耐腐蚀性,耐燃料性和缝焊性优良的铬酸盐层的表面处理钢板以及用于制备表面处理钢板的铬酸盐溶液。 具体地说,本发明的铬酸盐溶液包含(a)通过在铬酸盐溶液中添加铬而制备的主溶液,该溶液是通过加入具有0.4-0.8的三价铬组成和7至50g / l的溶解铬的铬溶液 铬酸盐溶液,50〜80重量%的磷酸盐,20〜40重量%的氟酸,300〜2000重量%的胶体二氧化硅,5〜15重量%的硫酸和25〜40重量%的磷酸钠,和 b)基于总固化剂溶液添加环氧硅烷或缩水甘油基硅烷的2-10重量%的固化剂溶液,其pH控制在2和3之间,其中加入10至60重量%的硬化剂溶液 主要解决方案。

    Composition and method for chromating treatment of metal
    2.
    发明授权
    Composition and method for chromating treatment of metal 失效
    金属铬化处理的组成和方法

    公开(公告)号:US5399209A

    公开(公告)日:1995-03-21

    申请号:US980810

    申请日:1993-03-01

    IPC分类号: C23C22/33 C23C22/38

    CPC分类号: C23C22/38 C23C22/33

    摘要: A chromate conversion coating with excellent cold workability and protection against corrosion after subsequent painting can be formed on metal surfaces, particularly on galvanized steel sheet, by drying in place on the metal an amount of an acidic aqueous composition comprising (A) from 4.0 to 51.0 g/L of hexavalent chromium; (B) from 6.0 to 38.0 g/L of trivalent chromium; (C) from 0.5 to 97.0 g/L of phosphate ions; (D) a component selected from the group consisting of sulfate ions, nitrate ions, fluoride ions, and mixtures thereof; and (E) a component selected from the group consisting of cations of Cu, Co, Ni, Sn, Fe, and Pb and mixtures thereof, wherein the trivalent chromium/hexavalent chromium weight ratio is in the range from 0.2 to 1.4. Preferably the amount of aqueous composition used is such as to produce a chromium add-on of from 20-160 mg/m.sup.2.

    摘要翻译: PCT No.PCT / US91 / 06017 Sec。 371日期1993年3月1日 102(e)1993年3月1日PCT PCT 1991年8月23日提交PCT公布。 出版物WO92 / 03594 日本3月5日,1992.可以在金属表面,特别是镀锌钢板上形成具有优异的冷加工性和优异的冷加工性和防腐蚀性的铬酸盐转化涂层,通过在金属上适当地干燥一定量的酸性水性组合物, (A)4.0〜51.0g / L六价铬; (B)6.0〜38.0g / L三价铬; (C)0.5〜97.0g / L的磷酸根离子; (D)选自硫酸根离子,硝酸根离子,氟离子及其混合物的组分; 和(E)选自Cu,Co,Ni,Sn,Fe和Pb的阳离子及其混合物的组分,其中三价铬/六价铬重量比在0.2至1.4的范围内。 优选地,所用的水性组合物的量可以产生20-160mg / m 2的铬添加剂。

    Metal surface treatment with an aqueous solution
    3.
    发明授权
    Metal surface treatment with an aqueous solution 失效
    用水溶液进行金属表面处理

    公开(公告)号:US4978399A

    公开(公告)日:1990-12-18

    申请号:US285858

    申请日:1988-12-16

    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 article this way plated 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。 这种镀敷方式的耐腐蚀性提高了。

    Process for coating and/or touching up coatings on metallic surfaces
    5.
    再颁专利
    Process for coating and/or touching up coatings on metallic surfaces 有权
    金属表面涂层和/或接触涂层的工艺

    公开(公告)号:USRE40406E1

    公开(公告)日:2008-07-01

    申请号:US10810546

    申请日:2004-03-26

    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 kilogram 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 and a surfactant.

    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/千克的氟金属离子,约0.5克/升至约10克/升的化学计量当量为H 3 N 3计算的含磷无机氧阴离子 > PO 4; <?delete-start id =“DEL-S-00001”date =“20080701”≥> 0.05g / l至约3.5g / l <?delete-end id =“DEL-S-00001” 六价铬<?delete-start id =“DEL-S-00002”date =“20080701”?>和约0.10g / l至约2.20g / l的<?delete-end id =“DEL-S-00002 “?”三价铬离子<?insert-start id =“INS-S-00001”date =“20080701”?>和表面活性剂<?insert-end id =“INS-S-00001”?>。

    Water-based surface-treating agent for metallic material
    6.
    发明授权
    Water-based surface-treating agent for metallic material 失效
    水性金属表面处理剂

    公开(公告)号:US06447620B1

    公开(公告)日:2002-09-10

    申请号:US09701619

    申请日:2001-03-02

    IPC分类号: C23C2200

    摘要: A water-based surface-treating agent for metallic materials which gives a film highly satisfactory in corrosion resistance, blackening resistance, wet secondary adhesion to topcoatings, low-pollution characteristics (amount of fixed chromium), chemical resistance (especially acid resistance and alkali resistance), etc., while retaining the intact practical liquid stability of conventional chromate-containing resinous coating agents. The water-based surface-treating agent comprises a synthetic resin emulsion and hexavalent chromium ions and has a pH of 5 or lower, the synthetic resin emulsion being one obtained by emulsion-polymerizing the following ingredients using a nonionic polymerizable emulsifier and a nonionic nonpolymerizable emulsifier: (1) an ethylenic carboxylic acid, (2) a functional acrylic monomer having at least one of N-((un)substituted methylol)carbamoyl, phosphonate, alkoxy, cyano, and carbamoyl groups, and (3) a third monomer which is different from the ingredients (1) and (2) and forms the skeleton of the copolymer to be obtained.

    摘要翻译: 一种用于金属材料的水性表面处理剂,其具有耐腐蚀性,耐黑变性,对表面涂层的湿二次粘附性,低污染特性(固定铬量),耐化学性(特别是耐酸性和耐碱性) )等,同时保持常规含铬酸盐树脂涂料的完整实用液体稳定性。 水性表面处理剂包括合成树脂乳液和六价铬离子,其pH为5以下,合成树脂乳液是使用非离子型可聚合乳化剂和非离子型非聚合性乳化剂将以下成分进行乳液聚合而得到的 :(1)烯属羧酸,(2)具有N - ((取代的羟甲基)氨基甲酰基,膦酸酯,烷氧基,氰基和氨基甲酰基中的至少一种的官能丙烯酸类单体,和(3)第三单体, 与成分(1)和(2)不同,形成所得共聚物的骨架。

    Method for formation of hydrophilic corrosion-resistant coating on the
surface of metallic material
    7.
    发明授权
    Method for formation of hydrophilic corrosion-resistant coating on the surface of metallic material 失效
    在金属材料表面形成亲水性耐腐蚀涂层的方法

    公开(公告)号:US4671825A

    公开(公告)日:1987-06-09

    申请号:US877761

    申请日:1986-06-24

    CPC分类号: C23C22/30 C23C22/28 C23C22/38

    摘要: A hydrophilic corrosion-resistant coat is formed on the surface of a metallic material, e.g., aluminum and its alloys, by a method which comprises preparatorily cleaning the surface of the metallic material, applying on the cleaned surface of the metallic material an aqueous treating liquid produced by adding a water-soluble acrylic acid polymer and colloidal silica and effective amounts of a polyhydric alcohol and/or saccharide to an aqueous solution containing hexavalent chromium compound or trivalent and hexavalent chromium compounds, phosphoric acid, and a fluorine compound. The applied layer of the treating liquids is dried and baked, the baking being at a temperature in the range of 100.degree. to 250.degree. C.

    摘要翻译: 通过包括准备清洗金属材料的表面的方法,在金属材料的表面上,例如铝及其合金上形成亲水性耐腐蚀涂层,在金属材料的清洁表面上施加水处理液 通过向含有六价铬化合物或三价和六价铬化合物,磷酸和氟化合物的水溶液中加入水溶性丙烯酸聚合物和胶体二氧化硅和有效量的多元醇和/或糖来制备。 将处理液的施加层干燥并烘烤,烘烤温度在100-250℃的范围内。