Dispersing agents in nanocomposites

US7837899B2 · kind B2 · utility

Assignee

• Polymers Australia Pty. Ltd. · AU

Inventors

• Graeme Moad · Sassafras, AU
• George Simon · Melbourne, AU
• Katherine Maree Dean · Melbourne, AU
• Guoxin Li · Melbourne, AU
• Roshan Tyrrel Anton Mayadunne · Melbourne, AU
• Hendrik Wermter · Rauenthal, DE
• Rudolf Pfaendner · Rimbach, DE

Key dates

• Filing date: Feb 23, 2004
• Grant date: Nov 23, 2010
• Expiry date: Dec 2, 2024

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L33/08
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The instant invention discloses a composition, preferably a nanocomposite material, comprising (a) a synthetic polymer, (b) a filler selected from a natural or synthetic phyllosilicate or a mixture of such phyllosilicates, preferably in nanoparticles, and (c) a dispersing agent prepared by controlled free radical polymerization (CFRP).