Polycarbonate compositions with reduced iron content

US7030180B2 · kind B2 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Andreas Seidel · Dormagen, DE
• Thomas Eckel · Dormagen, DE
• Holger Warth · Sha Tin, CN
• Dieter Wittmann · Leverkusen, DE

Key dates

• Filing date: Jan 22, 2002
• Grant date: Apr 18, 2006
• Expiry date: Sep 19, 2023

Classification

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

Abstract

A polycarbonate composition containing inorganic material with an anisotropic particle geometry and with an iron content of less than about 100 ppm is disclosed. The composition is suitable for producing molded articles exhibiting improved mechanical properties both at ambient and low temperatures.