Method for selectively removing coatings from metal substrates

Method for selectively removing coatings from metal substrates

  • CN 101,195,914 A
  • Filed: 12/07/2007
  • Published: 06/11/2008
  • Est. Priority Date: 12/07/2006
  • Status: Active Application
First Claim
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1. method that is used for selectively removing coatings from the ground comprises:

  • Aluminium is diffused in the described coating;

    WithThis coating is contacted with waterborne compositions, and described waterborne compositions comprises having formula H xAF 6Acid and this sour precursor at least a, A is selected from Si, Ge, Ti, Zr, Al and Ga, x is 1-6.

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