Binder mixtures containing lignin and phenol novolaks

US5373070A · kind A · utility

Assignee

• Rutgerswerke Aktiengesellschaft · DE

Inventors

• Arno Gardziella · Witten, DE
• Ken Kurple · Casco, US
• Achim Hansen · Zug, CH
• Stephan Schröter · Essen, DE
• Willi Roll · Havixbeck, DE

Key dates

• Filing date: Dec 3, 1993
• Grant date: Dec 13, 1994
• Expiry date: Dec 3, 2013

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D04H1/60
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

A binder mixture containing lignin or lignins with reactive groups and phenol-novolac in a weight ratio of 95:5 to 50:50 useful for the production of non-woven fabrics and wood fiber materials.