A process for the compounding of Polycondensaten

The invention relates to a process for compounding polycondensates selected from the group consisting of polyamide, polyester and polycarbonate natural in the presence of an epoxy group-containing styrene and / or (meth) acrylic monomer, a bisphenol-A-epoxy or an epoxy-containing oil or Fettsaureesters, characterized in that the compounding equal to 220 ° C and in the presence of an activator selected from the group consisting of at temperatures less than /: zinc, titanium compound, and C