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    • 3. 发明授权
    • Process for coating metal surfaces
    • 金属表面涂层工艺
    • US5688560A
    • 1997-11-18
    • US640956
    • 1996-05-09
    • Takumi HondaKazuhisa NaitoMutsumi Hirota
    • Takumi HondaKazuhisa NaitoMutsumi Hirota
    • B05D7/14C09D5/08B05D3/10B05D3/00
    • C09D5/088B05D7/144
    • A process for coating metal surfaces in which an uncured resin coating is formed on the surface of a metal by contacting the metal surface with an autodepositing coating composition that contains acid, oxidizing agent, and water-dispersible or water-soluble organic film-forming resin, and the uncured coating is thereafter dried, produces a strongly adherent, highly corrosion-resistant autodeposited coating when the uncured coating is brought, prior to its drying, into contact with an aqueous solution that has a pH adjusted to 7 to 11 and that contains at least one selection from the following inorganic acids and salts thereof: molybdic acid, tungstic acid, polyphosphoric acid, and polysilicic acid.
    • PCT No.PCT / US94 / 12221 Sec。 371日期:1996年5月9日 102(e)日期1996年5月9日PCT 1994年11月1日PCT PCT。 出版物WO95 / 13145 日期1995年5月18日一种通过使金属表面与含有酸,氧化剂和水分散性或水溶性有机物的自动沉积涂料组合物接触而在金属表面上涂覆未固化的树脂涂层的金属表面的方法 然后干燥未固化的涂层,当未固化的涂层在其干燥之前与pH调节至7至约的水溶液接触时,产生强粘附的,高度耐腐蚀的自沉积涂层 11,其含有下列无机酸及其盐的至少一种选择:钼酸,钨酸,多磷酸和聚硅酸。
    • 4. 发明授权
    • Autodeposition coating composition
    • 自动沉积涂料组合物
    • US5510410A
    • 1996-04-23
    • US256913
    • 1994-07-29
    • Takumi HondaKazuhisa NaitoMitsuyuki Koga
    • Takumi HondaKazuhisa NaitoMitsuyuki Koga
    • C09D5/08C23C22/44C08K3/10C08K5/04C08K5/51
    • C23C22/44C09D5/088
    • The invention is an aqueous autodeposition coating composition that produces a film that has a better adherence and corrosion resistance than the films formed by the prior-art coating compositions, but which does so without a rinse treatment (for example, a chromium containing solution, rinse) prior to film curing. The aqueous autodeposition coating composition has a pH of 1.6 to 5.0 and contains(i) water-dispersible or water-soluble organic film-forming resin,(ii) at least one of fluoride ions or fluoride ions and complex fluoride ions,(iii) hexavalent chromium ion or hexavalent chromium ion+trivalent chromium ion, and(iv) tungstate ion and/or molybdate ion.
    • PCT No.PCT / US93 / 00138 Sec。 371日期1994年7月29日第 102(e)日期1994年7月29日PCT 1993年1月15日PCT公布。 公开号WO93 / 15155 日期:1993年8月5日。本发明是一种水性自沉积涂料组合物,其产生比现有技术的涂料组合物形成的膜具有更好的粘合性和耐腐蚀性,但是没有进行冲洗处理(例如, ,含铬溶液,冲洗)。 水性自沉淀涂料组合物的pH为1.6〜5.0,含有(i)水分散性或水溶性有机成膜树脂,(ii)氟离子或氟离子和配位氟离子中的至少一种,(iii) 六价铬离子或六价铬离子+三价铬离子,以及(iv)钨酸根离子和/或钼酸根离子。
    • 6. 发明授权
    • Autodeposition coating composition
    • 自动沉积涂料组合物
    • US5646211A
    • 1997-07-08
    • US634132
    • 1996-04-19
    • Takumi HondaKazuhisa Naito
    • Takumi HondaKazuhisa Naito
    • C09D5/08C23C22/44C08K3/10
    • C09D5/088C23C22/44
    • An aqueous autodeposition coating composition that is essentially free of chromium compounds and which produces a film with a much better adherence and corrosion resistance than heretofore obtained, but which does so without a rinse treatment with a chromium-containing solution prior to film curing. The aqueous autodeposition coating composition has a pH of about 1.6 to about 5 and contains(i) water-dispersible or water-soluble organic film-forming resin;(ii) at least one of fluoride ions and flouride ions and complex fluoride ions;(iii) ions of at least one metal selected from zinc, cobalt, manganese, nickel, iron, and aluminum; and(iv) tungstate ion and/or molybdate ion.
    • 一种基本上不含铬化合物的水性自沉积涂料组合物,其产生具有比迄今为止获得的更好的粘合性和耐腐蚀性的膜,但是在膜固化之前没有用含铬溶液进行漂洗处理。 水性自沉淀涂料组合物的pH为约1.6至约5,并含有(i)水分散性或水溶性有机成膜树脂; (ii)氟离子和氟离子中的至少一种和复合氟离子; (iii)选自锌,钴,锰,镍,铁和铝中的至少一种金属的离子; 和(iv)钨酸根离子和/或钼酸根离子。
    • 9. 发明授权
    • Process for improving the corrosion resistance of a metal surface
    • 提高金属表面耐腐蚀性的工艺
    • US06395336B1
    • 2002-05-28
    • US09600368
    • 2000-07-14
    • Takumi HondaMutsumi Yanagi
    • Takumi HondaMutsumi Yanagi
    • B05D136
    • B05D7/142B05D7/144C09D5/088
    • A resin coating is formed on a metal surface using an aqueous autodepositing resin composition that contains oxidizing agent, acid, and carboxyl-functional and/or hydroxyl-functional water-dispersible or water-soluble resin and, optionally, metal ions; the resulting coating, while still in its uncured condition, is subject to post-treatment with an aqueous solution containing from 0.5 to 5.0 g/L of amine and from 10 to 100 g/L (solids) of water-soluble amino resin molecules that bear at least two alkoxymethylamino, methylolamino, and/or imino groups; and the coating is then dried and cured. This provides a highly anticorrosive coating on the metal, and contrary to an analogous process in which the post-treatment solution contains amino resin but not amine, the post-treatment solution remains stable and provides continuing high quality coating performance even after a considerable amount of metal surface per unit volume of post-treatment solution has been processed.
    • 使用包含氧化剂,酸和羧基官能和/或羟基官能的水分散性或水溶性树脂和任选的金属离子的水性自动沉积树脂组合物在金属表面上形成树脂涂层; 所得到的涂层当仍处于未固化状态时,用含有0.5-5.0g / L胺和10-100g / L(固体)水溶性氨基树脂分子的水溶液进行后处理,该水溶液含有 至少两个烷氧基甲基氨基,羟甲基氨基和/或亚氨基; 然后将涂层干燥并固化。 这提供了金属上的高度防腐涂层,与后处理溶液含有氨基树脂而不是胺类似的方法相反,后处理溶液保持稳定,并且即使在相当量的 金属表面每单位体积的后处理溶液已经被处理。