Polycarbonate composition comprising nanomaterials

US8865833B2 · kind B2 · utility

Assignee

• SABIC GLOBAL TECHNOLOGIES B.V. · NL

Inventors

• Amit Biswas · Mumbai, IN
• Dibakar Dhara · Bengaluru, IN
• Raja Krishnamurthy · Bengaluru, IN
• Edward Kung · Bergen op Zoom, NL
• Parnasree Maiti · Bengaluru, IN
• Roopali Rai · Savanuru, IN
• Vaidyanath Ramakrishnan · Bergen op Zoom, NL
• Vitthal Abaso Sawant · Indianapolis, US
• Rajashekhar Shiddappa Totad · Bengaluru, IN
• Sandeep Tyagi · Linz, AT

Key dates

• Filing date: Jul 14, 2010
• Grant date: Oct 21, 2014
• Expiry date: Dec 20, 2030

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K2201/003
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A method of preparing a polycarbonate nanocomposite comprising forming a reactant mixture comprising a nanomaterial, a solvent, a dihydroxy compound and an activated carbonate; and polymerizing the dihydroxy compound and the activated carbonate in the presence of the solvent to form the polycarbonate nanocomposite is disclosed. Also disclosed are polycarbonate nanocomposites prepared in accordance with this method, and thermoplastic compositions comprising the polycarbonate nanocomposites. Also disclosed are polycarbonate compositions comprising the nanomaterial.