Heat-activatable free-radical initiators and composite material which comprises magnetic particles

US8877835B2 · kind B2 · utility

Assignees

• EVONIK DEGUSSA GMBH · DE
• UNITED INITIATORS GMBH & CO. KG · DE

Inventors

• Harald Herzog · Karlstein, DE
• Konrad Rockstein · Engelskirchen, DE
• Stipan Katusic · Bad Soden, DE
• Martin Kunz · Weil am Rhein, DE
• Iris Nagl · Burgheim, DE
• Hanno Christian Wolf · Ottobrunn, DE

Key dates

• Filing date: May 28, 2010
• Grant date: Nov 4, 2014
• Expiry date: Sep 14, 2030

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S977/779
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Composite material comprising—one or more heat-activatable free-radical initiators selected from the group consisting of organic peroxides and/or initiators having labile carbon-carbon bonds and particles which have a core-shell structure and the core of which comprises one or more magnetic materials, while the shell comprises silicon dioxide.