Process for preparing acid-terminated ATRP products

US8143354B2 · kind B2 · utility

Assignee

• Evonik Röhm GmbH · DE

Inventors

• Sven Balk · Frankfurt, DE
• Gerd Loehden · Essen, DE
• Christine Miess · Alzenau, DE
• Christine Troemer · Hammersbach, DE
• Monika Maerz · Alzenau, DE

Key dates

• Filing date: May 15, 2007
• Grant date: Mar 27, 2012
• Expiry date: Dec 7, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F220/1804
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to the in situ acid end group functionalization of polymer chains which have been prepared by means of atom transfer radical polymerization, and to the simultaneous removal of transition metals from polymer solutions.