E.i. Dupont De Nemours and Company

Morenike Gisela Awokola

Carmen Flosbach

Volker Paschmann

Helmut Loeffler

Bettina Vogt-Birnbrich

Helmut Loffler

Heike Beyers

The invention is directed to a process for multilayer coating of substrates which comprises

Process for multilayer coating of substrates

Radiation-curable coating compounds

Aqueous dispersions of modified epoxy resins with a urethane and a urea group content of 5-250 mmol, based on 100 g solid content of the dispersion, containing one or more modified epoxy resins A) having an epoxy equivalent weight of 250-10,000, whereby the modified epoxy resins A) are the reaction product of A1) 43,0-86,0 wt-% of one or more epoxy compounds having at least 2 epoxy groups per molecule and an epoxy equivalent weight of 100 to 2000, A2) 10,0-25,0 wt-% of one or more aromatic polyols, A3) 2,0-12,0 wt-% of one or more aliphatic polyols and A4) 2,0-20,0 wt-% of one or more polyisocyanates.

Aqueous dispersions of epoxy resins

Growing community of inventors

Cologne, Germany

Morenike Gisela Awokola