Preparation of an aqueous polymer dispersion by the free radical aqueous emulsion polymerization method

US6218468A · kind A · utility

Assignees

• BASF SE
• Max Planck Institute · DE

Inventors

• Klemens Mathauer · Ludwigshafen, DE
• Walter Machtle · Ludwigshafen, DE
• Wolfgang Schrof · Neuleiningen, DE
• Horst Schuch · Heidelberg, DE
• Timo Rager · Mainz, DE
• Wolfgang Meyer · Rorschach, CH
• Gerhard Wegner · Mainz, DE

Key dates

• Filing date: Jul 22, 1998
• Grant date: Apr 17, 2001
• Expiry date: Jul 22, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J3/03
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

In a process for the preparation of an aqueous polymer dispersion by the free radical aqueous emulsion polymerization method, the polymerization is carried out in the presence of frozen micelles of amphiphilic substances.