Flame-resistant polycarbonate ABS moulding materials

US6756433B1 · kind B1 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

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

Key dates

• Filing date: Feb 27, 2002
• Grant date: Jun 29, 2004
• Expiry date: Jun 26, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L67/02
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to polycarbonate moulding compositions provided with phosphonate amines and phosphorus compounds, which moulding compositions exhibit excellent flame protection and very good mechanical properties, such as joint line strength or modulus of elasticity, and a good crude shade.