Aqueous polymer dispersion, process for preparing the same and its use in leather production

US6133372A · kind A · utility

Assignee

• Stockhausen GmbH & Co. KG · DE

Inventors

• Helmut Lohmann · Krefeld, DE
• Thomas Muller · Bad Homburg vor der Höhe, DE
• Waldemar Inger · Krefeld, DE
• Stephan Ramlow · Krefeld, DE

Key dates

• Filing date: Dec 23, 1998
• Grant date: Oct 17, 2000
• Expiry date: Dec 23, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C14C9/02
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Aqueous polymer dispersions are produced by polymerizing monoethylenically unsaturated monomers bearing acid groups in an acid, partially or totally neutralized form, optionally with other monomers that can be copolymnerized therewith in the presence of hydrophilized vegetable, animal and/or synthetic fats or oils. Also disclosed is a process for preparing the same, their use for preparing oil-in-water emulsions by admixture of another oil phase composed of vegetable, animal or synthetic oils and/of fats and/or non-self-emulsifying silicones, and their use in the field of wet currying of leather or pelts.