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    • 64. 发明公开
    • Metal surface treating agent
    • Metalloberflächen-Behandlungsmittel
    • EP1241236A2
    • 2002-09-18
    • EP02290661.4
    • 2002-03-15
    • Nippon Paint Co., Ltd.
    • Satoshi, Nishimura
    • C09D133/06B05D7/16C23C22/80
    • C23C22/34C08L61/00C09D133/066C08L2666/14C08L2666/54
    • The present invention provides a non-chromium metal surface treating agent which has excellent adhesion with a coating and corrosion resistance, and also has excellent workability and stability.
      A metal surface treating agent comprising

      a water-soluble zirconium compound, a water-soluble or water-dispersant acrylic resin and a water-soluble or water-dispersant thermosetting crosslinking agent,
         wherein said water-soluble zirconium compound has a zirconium content of 500 to 15000 ppm on a mass basis,
      said acrylic resin has an acid value of solid matter of 150 to 740 mgKOH/g, a hydroxyl value of solid matter of 24 to 240 mgKOH/g, and a solid matter content of 500 to 30000 ppm on a mass basis, and
      said thermosetting crosslinking agent has a solid matter content of 125 to 7500 ppm on a mass basis.
    • 本发明提供了具有优异的涂层附着力和耐腐蚀性的非铬金属表面处理剂,并且还具有优异的可加工性和稳定性。 一种金属表面处理剂,其包含水溶性锆化合物,水溶性或水分散性丙烯酸树脂和水溶性或水分散性热固性交联剂,其中所述水溶性锆化合物具有锆 所述丙烯酸树脂的固体成分的酸值为150〜740mgKOH / g,固体成分的羟值为24〜240mgKOH / g,固体成分含量为500 以质量计为30000ppm,所述热固性交联剂的固体成分质量为125〜7500ppm。