Acrylic dispersing agents in nanocomposites

US7288585B2 · kind B2 · utility

Assignee

• Ciba Specialty Chemicals Corporation · US

Inventors

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

Key dates

• Filing date: Jun 14, 2004
• Grant date: Oct 30, 2007
• Expiry date: Jun 14, 2024

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2666/04
• 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 such as for example a natural or synthetic phyllosilicate or a mixture of such phyllosilicates, preferably in nanoparticles, and (c) as dispersing agent a polymer based on a long chain alkyl meth(acryte).