Production of nonwoven fabrics

US3944690A · kind A · utility

Assignee

• BASF SE

Inventors

• Dieter Distler · Mutterstadt, DE
• Kurt Wendel
• Andreas Einwiller · Mannheim, DE
• Knut Oppenlaender · Ludwigshafen, DE

Key dates

• Filing date: Jan 30, 1975
• Grant date: Mar 16, 1976
• Expiry date: Jan 30, 1995

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J3/16
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Nonwovens of natural and synthetic fibers which are bonded uniformly over the whole cross-section are obtained by using as binders aqueous polymer dispersions containing as heat-sensitizing agents alkoxylated amines having inverse solubility and a pH of less than 6.