Flame-resistant polycarbonate compositions having increased chemical resistance

US6767944B2 · kind B2 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Michael Zobel · Bridgwater, GB
• Andreas Seidel · Dormagen, DE
• Thomas Eckel · Dormagen, DE
• Torsten Derr · Dormagen, DE
• Dieter Wittmann · Leverkusen, DE

Key dates

• Filing date: Feb 21, 2002
• Grant date: Jul 27, 2004
• Expiry date: Feb 25, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L69/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A flame retardant, chemical and impact resistant, thermoplastic molding composition is disclosed. The composition that contains(A) an aromatic polycarbonate and/or polyester carbonate,(B) a graft polymer,(C) an oligophosphate conforming to a specific formulaEINBETTEN,(D) an anti-drip agent, and(E) a polyhydroxy ether is suitable for preparing molded articles.