Chlorine-resistant elastane fibres

US5969008A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Stephan Hutte · Leverkusen, DE
• Rolf-Volker Meyer · Krefeld, DE
• Hans-Joachim Wollweber · Krefeld, DE
• Karin-Anke Heinrich · Dormagen, DE

Key dates

• Filing date: Oct 30, 1997
• Grant date: Oct 19, 1999
• Expiry date: Oct 30, 2017

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D01F1/10
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

The invention relates to polyurethane compositions and especially to elastic polyurethane fibers resulting therefrom which can be employed for swimwear in aqueous, chlorine-containing environments such as swimming pools, for example. The invention relates in particular to polyurethane compositions and especially to elastic polyurethane fibers resulting therefrom that contain hydrotalcites and/or other basic metal aluminium hydroxy compounds coated with polyorganosiloxane or with a mixture of polyorganosiloxane and polyorganohydrogensiloxane.