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    • 3. 发明申请
    • DRY-IN-PLACE CORROSION-RESISTANT COATING FOR ZINC OR ZINC-ALLOY COATED SUBSTRATES
    • 用于锌或锌合金涂层基材的耐腐蚀涂层
    • US20130302600A1
    • 2013-11-14
    • US13947012
    • 2013-07-19
    • Eco-Green Coatings, L.L.C.
    • William D. KRIPPESTheodore JAROSZMike SERAFINIWilliam CAPIZZANO
    • C09D5/08
    • C09D5/08C23C22/12C23C22/33C23C2222/10Y10T428/12535Y10T428/273
    • A process for making a corrosion-resistant metal component. The process having the steps of: combining water, at least one zinc phosphate compound and at least one chromium compound, being chromium (III) or chromium (IV) compounds, to form a first solution; separately combining at least one silicate compound with water to form a second solution; combining the first solution with the second solution such as to form a mixed aqueous solution; optionally combining the mixed aqueous solution with at least one acrylic resin to form a coating mixture; and, applying the coating mixture to a metal substrate having a zinc or zinc-alloy surface to form a coating on the metal substrate, the coating providing chemical resistance for at least 150 hours in accordance with ASTM B117 standards where the zinc or zinc-alloy coating of the metal substrate has a weight of 0.04 oz/ft2 (12.20 g/m2).
    • 一种制造耐腐蚀金属组分的方法。 该方法具有以下步骤:将水,至少一种磷酸锌化合物和至少一种铬化合物,作为铬(III)或铬(IV)化合物组合以形成第一溶液; 分别将至少一种硅酸盐化合物与水混合以形成第二溶液; 将第一溶液与第二溶液组合以形成混合水溶液; 任选地将混合的水溶液与至少一种丙烯酸树脂混合以形成涂料混合物; 并且将涂料混合物施加到具有锌或锌合金表面的金属基材上以在金属基材上形成涂层,该涂层根据ASTM B117标准提供耐化学性至少150小时,其中锌或锌合金 金属基材的涂层重量为0.04盎司/平方英尺(12.20克/平方米)。
    • 8. 发明授权
    • Conversion coating zinciferous surfaces to resist blackening and white rust
    • 转化涂层含锌表面,防止黑化和白锈
    • US06461449B1
    • 2002-10-08
    • US09529197
    • 2000-04-07
    • Yuzuru MatsubaraAkira Kato
    • Yuzuru MatsubaraAkira Kato
    • C23C2230
    • C23C22/33
    • Metal surfaces, particularly the zinciferous surfaces of zinc-coated steel, can be given a chromate conversion coating that is superior in terms of blackening resistance and white rust resistance by drying into place on the surfaces a layer of a treatment liquid that contains water, hexavalent chromium atoms, trivalent chromium cations, nitrate ions and one or more types of metal ions selected from the group consisting of Ni, Co, Zn and Al, the molar ratio of the total of these metal ions to nitrate ions being in the range from 0.05 to 1.0, the molar ratio of trivalent chromium ions to hexavalent chromium atoms being in the range of 0.11:1.0 to 1.0:1.0, and the molar ratio of nitrate ions to total chromium atoms being in the range of 2.1 to 5.5. Preferably, the coating formed has a chromium content of 10 to 100 mg/m2.
    • 金属表面,特别是镀锌钢板的镀锌表面,可以得到铬酸盐转化膜,其耐黑变性和耐白锈锈性优于表面上一层含有水,六价铬的处理液 铬原子,三价铬阳离子,硝酸根离子和选自Ni,Co,Zn和Al的一种或多种金属离子,这些金属离子与硝酸根离子的总摩尔比在0.05以下 至1.0,三价铬离子与六价铬原子的摩尔比在0.11:1.0至1.0:1.0的范围内,硝酸根离子与总铬原子的摩尔比在2.1至5.5的范围内。 优选地,形成的涂层的铬含量为10〜100mg / m 2。
    • 9. 发明授权
    • Chromating solution and chromated metal sheet
    • 铬酸盐溶液和铬酸盐金属片
    • US06329067B2
    • 2001-12-11
    • US09752469
    • 2001-01-03
    • Yukio UchidaHirofumi TaketsuShinya Furukawa
    • Yukio UchidaHirofumi TaketsuShinya Furukawa
    • B32B1504
    • C23C22/33C23C22/30Y10T428/31678
    • In a chromating solution comprising a water-soluble chromium compound and a reducing agent and in which hexavalent chromium ions produced by dissolution of the water-soluble chromium compound have been partly reduced with the reducing agent to trivalent chromium ions, an oxycarboxylic acid compound is used as the reducing agent. This chromating solution causes neither gelation nor sedimentation of the solution even when hexavalent chromium ions are reduced to trivalent chromium ions at a reduction percentage of more than 50%. The chromating solution and a chromate film formed on a steel sheet may also contain an organic resin, phosphoric acid or a phosphoric acid compound, or a silica sol.
    • 在包含水溶性铬化合物和还原剂的铬酸盐溶液中,通过还原剂将三价铬离子部分还原,其中通过溶解水溶性铬化合物产生的六价铬离子被使用,使用羟基羧酸化合物 作为还原剂。 即使当六价铬离子以大于50%的还原率还原成三价铬离子时,该铬酸盐溶液也不会引起溶液的凝胶化和沉淀。 形成在钢板上的铬酸盐溶液和铬酸盐膜也可以含有有机树脂,磷酸或磷酸化合物或二氧化硅溶胶。