Aqueous metal treatment composition

Aqueous metal treatment composition

  • CN 1,665,893 A
  • Filed: 05/03/2003
  • Published: 09/07/2005
  • Est. Priority Date: 05/04/2002
  • Status: Active Application
First Claim
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1. water-based metal surface treating composition, it comprises following component:

  • (A) water dispersion of resol, it comprises following (i), (ii) and reaction product (iii),(i) resol precursor,(ii) properties-correcting agent, it comprises and hydrocarbyl portion and at least one ion part of at least one functional groups that described functional group can make properties-correcting agent and resol precursors reaction, described ion partly comprises the ionogen of sulfur-bearing or phosphorus,(iii) at least a polyhydroxy phenol compound;

    With(B) optionally acid,Wherein when described reaction product (A) comprises at least two reactive phenol methylols, in (A) (iii) is optionally.

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