Thermoplastic composition, method of manufacture thereof, and articles derived therefrom

US7691304B2 · kind B2 · utility

Assignee

• Sabic Innovative Plastics B.V. · NL

Inventors

• Parminder Agarwal · Evansville, US
• Shreyas Chakravarti · Evansville, US
• Bernard Schrauwen · Sterksel, NL
• Robert Dirk van de Grampel · Bergen op Zoom, NL

Key dates

• Filing date: Jun 19, 2007
• Grant date: Apr 6, 2010
• Expiry date: Mar 26, 2028

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31786
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Disclosed herein is a thermoplastic composition comprising a combination of 10 to 80 wt. % of a polyester, more than 0 to 50 wt. % of a polycarbonate, and 10 to 90 wt. % of at least one polyester-polycarbonate copolymer comprising, based on the total weight of the copolymer, 15 to 95 wt. % of arylate ester units, and 5 to 85 wt. % of aromatic carbonate units. Also disclosed is a method of forming the compositions, and articles prepared therefrom, for example transparent covers.