Composition with acid-activatable metal component

US9080028B2 · kind B2 · utility

Assignee

• Chemische Fabrik Budenheim KG · DE

Inventors

• Rüdiger Wissemborski · Gau-Algesheim, DE
• Rainer Schnee · Mainz, DE
• Gideon Rath · Darmstadt, DE
• David Kümmet · Budenheim, DE

Key dates

• Filing date: Jul 11, 2011
• Grant date: Jul 14, 2015
• Expiry date: Jan 22, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K2201/012
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A composition which includes a plastic matrix, an acid-activatable metal component selected from aluminium (Al), magnesium (Mg), zinc (Zn), copper (Cu), iron (Fe), tin (Sn), cobalt (Co) and manganese (Mn); and at least one acid carrier which in the RoO test has a rate of oxidation (RoO=rate of oxidation) of less than 1000 ppm of iron with a reaction time of 60 min.