Surface treating agent for galvanized steel sheet

Surface treating agent for galvanized steel sheet

  • CN 102,245,807 A
  • Filed: 12/16/2008
  • Published: 11/16/2011
  • Est. Priority Date: 12/16/2008
  • Status: Active Application
First Claim
Patent Images

1. steel plate galvanized surface treatment agent, wherein, contain:

  • Zirconium carbonate ammonium (A);

    Compound (B), it has in 1 molecule more than 2-SiR 1R 2R 3Shown functional group (a), and be 100~

    5000 scope with respect to the molecular weight (molecular-weight average/functional group'"'"'s number) of 1 functional group (a), formula-SiR 1R 2R 3In, R 1, R 2And R 3Alkyl, alkoxyl group or the hydroxyl of representing carbonatoms 1~

    4 independently of one another;

    Organic phospho acid (C) shown in the general formula (1);

    Metallic compound (D), it contains the metallic element more than at least a kind that is selected among Zr, Ti, Co, Fe, V, Ce, Mo, Mn, Mg, Al, Ni, Ca, W, Nb, Cr and the Zn;

    WithWater,And this steel plate galvanized is 6~

    11 with the pH of surface treatment agent,[changing 1]General formula (1)

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