Aqueous organopolysiloxane emulsions and emulsifiers for their preparation

US5777017A · kind A · utility

Assignee

• Wacker Chemie AG · DE

Inventors

• Enno Funk · Mehring, DE
• Christine Kuermeier · Berching, DE

Key dates

• Filing date: Sep 11, 1996
• Grant date: Jul 7, 1998
• Expiry date: Sep 11, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J2383/04
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

Aqueous organopolysiloxane emulsions, especially those which can be crosslinked by addition of Si-bonded hydrogen onto aliphatic multiple bond, their preparation with an emulsifier combination comprising alkylphenyl polyglycol ether and polyvinyl alcohol with a low degree of hydrolysis, and their use for preparing anti-adhesive coatings.