Fibre-matrix semifinished product

US10494496B2 · kind B2 · utility

Assignee

• LANXESS Deutschland GmbH · DE

Inventors

• Stefan Seidel · Paderborn, DE
• Matthias Bienmuller · Krefeld, DE
• Jochen Endtner · Cologne, DE

Key dates

• Filing date: Jun 14, 2017
• Grant date: Dec 3, 2019
• Expiry date: Oct 3, 2037

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2201/02
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A flame-retardant single-, or multi-layered, fiber-matrix semi-finished product has a polyamide-based fiber-matrix that includes at least one organic phosphinic acid salt and/or a diphosphinic acid salt. A process for the production thereof includes impregnating a fiber ply, or plies, and consolidating the ply or plies into a composite.