Glass fiber reinforced flameproofed thermoplastic molding compositions based on polyesters and graft polymers

US4940745A · kind A · utility

Assignee

• BASF SE

Inventors

• Dietrich Lausberg · Ludwigshafen, DE
• Peter Ittemann · Lampertheim, DE
• Graham E. McKee · Ludwigshafen, DE
• Karl Schlichting
• Manfred Knoll · Monsheim, DE
• Erhard Seiler · Ludwigshafen, DE

Key dates

• Filing date: Oct 7, 1988
• Grant date: Jul 10, 1990
• Expiry date: Oct 7, 2008

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L51/04
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The flameproofing agent content of molding compositions containing polyesters (a.sub.1), acrylate graft polymers (a.sub.2), styrene/acrylonitrile copolymers (a.sub.3) and glass fibers can be reduced without affecting the flame resistance by adding finely divided PTFE.