abstract |
The invention relates to an aqueous colloidal composition (A) containing an epoxide resin, a hardener that contains at least one phenol resin, and at least one surface-active compound for producing a self-precipitating composition (B), to a method for producing the colloidal composition (A) and to a method for the self-precipitating coating of metal surfaces, in particular iron, zinc and aluminium surfaces, using a composition (B). |