Polyorganosiloxane mixtures for treating fibre materials

US6706812B2 · kind B2 · utility

Assignee

• Ciba Specialty Chemicals Corporation · US

Inventors

• Harald Chrobaczek · Augsburg, DE
• Ingo Gorlitz · Augsburg, DE
• Erich Rossler · Stadtbergen, DE
• Mark Oelschläger · Aalen, DE

Key dates

• Filing date: Oct 17, 2002
• Grant date: Mar 16, 2004
• Expiry date: Oct 17, 2022

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D06M2200/12
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Polyorganosiloxane mixtures are obtainable by reacting linear polysiloxanes containing Si—H-bonds with linear dihydroxypolysiloxanes and amino-functional silanes. The reaction is carried out in such a way that the resultant product mixture still contains Si—H— bonds and leads to crosslinked structures. The polysiloxane mixtures obtained are useful for hydrophobicizing fiber materials, especially nonwovens.