Product with antistatic properties

US6316537A · kind A · utility

Assignee

• Degussa-Huels AG · DE

Inventors

• Franz-Erich Baumann · Schneverdingen, DE
• Reinhard Beuth · Marl, DE
• Josef Kubber · Geldern, DE
• Michael Schlobohm · Haltern, DE

Key dates

• Filing date: Nov 17, 1999
• Grant date: Nov 13, 2001
• Expiry date: Nov 17, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K3/04
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A product made from plastic and composed, at least in part, of a thermoplastic molding composition which comprises polyamide and comprises from 3 to 30% by weight of a conductivity black, where the conductivity black is defined by the following parameters: PA1 a) DBP absorption of from 100 to 300 ml/100 g; PA1 b) a specific surface area of from 30 to 180 m.sup.2 /g; PA1 c) an ash content of less than 0.1% by weight and PA1 d) a grit content of not more than 25 ppm, has improved heat-ageing resistance, and also improved resistance to peroxide-containing motor fuels.