Thermoplastic polycarbonate compositions with low gloss, articles made therefrom and method of manufacture

US7649057B2 · kind B2 · utility

Assignee

• Sabic Innovative Plastics B.V. · NL

Inventors

• James L. DeRudder · Greenwood, US
• Raja Krishnamurthy · Bengaluru, IN
• Rajashekhar Shiddappa Totad · Bengaluru, IN
• Sandeep Tyagi · Linz, AT
• Robert Walter Venderbosch · Bergen op Zoom, NL

Key dates

• Filing date: Dec 14, 2005
• Grant date: Jan 19, 2010
• Expiry date: Oct 26, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L83/04
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A thermoplastic composition comprising a polycarbonate, an impact modifier, an aromatic vinyl copolymer, and a polyorganosiloxane has excellent mechanical properties, in addition to suitable low gloss performance. An article may be formed by molding, extruding, shaping or forming such a composition to form the article.