Process for improving the adherency of metallic coatings deposited without current on plastic surfaces

US5182135A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Henning Giesecke · Cologne, DE
• Gerhard D. Wolf · Dormagen, DE
• Hanns P. Muller · Leverkusen, DE
• Ulrich von Gizycki · Leverkusen, DE
• Martin Wienkenhover · Leverkusen, DE

Key dates

• Filing date: Mar 18, 1991
• Grant date: Jan 26, 1993
• Expiry date: Mar 18, 2011

Classification

• Technology area (CPC H): Electricity
• CPC primary: H05K3/387
• WIPO field: Audio-visual technology
• WIPO sector: Electrical engineering

Abstract

Activator formulations which contain an aromatic polyurethane as binder are highly suitable for the preparation of non-metallic substrate surfaces for currentless metallization. The metal coatings produced are distinguished by good adhesion.