- Patent: US 10526709 B2
- Authors: Karolis Ratautas, Gediminas Račiukaitis, Aldona Jagminienė, Ina Stankevičienė, Eugenijus Norkus
Description: The invention relates to adhesional pretreatment of plastic surfaces prior to metallization by chemical or electrochemical methods. The method improves metal coating adhesion using permanganate-based etching solutions for applications requiring decorative or functional metallic coatings on plastics.