Utilization of constituents of effluent from the manufacture of styrene bead polymers in the manufacture of fibrids

US4104341A · kind A · utility

Assignee

• BASF SE

Inventors

• Hans G. Keppler
• Bruno Sander · Ludwigshafen, DE
• Rolf Moeller · Ludwigshafen, DE
• Eckhard Bonitz · Bischofswerda, DE
• Werner Simmler

Key dates

• Filing date: Apr 6, 1976
• Grant date: Aug 1, 1978
• Expiry date: Apr 6, 1996

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02W30/62
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

A process for the manufacture of fibrids by dissolving, in a solvent, macromolecular waste materials from the bead polymerization of styrenes, and introducing the solution into a precipitation medium under the action of shearing forces to form fibrids.