Aqueous dispersions

US7947778B2 · kind B2 · utility

Assignee

• Bayer MaterialScience AG · DE

Inventors

• Rudiger Musch · Bensberg, DE
• Knut Panskus · Leverkusen, DE
• Andreas Steinert · Langenfeld, DE

Key dates

• Filing date: Feb 12, 2008
• Grant date: May 24, 2011
• Expiry date: Jul 20, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/32
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention concerns hydrous compositions based on polychloroprene and hydroxylamine derivatives, processes for their production and their use as adhesives. The polychloroprene dispersions are stabilized by the addition of hydroxyalkylamine after removal of residual monomer.