Process for preparing aminomethylated bead polymers

US10294313B2 · kind B2 · utility

Assignee

• LANXESS Deutschland GmbH · DE

Inventors

• Reinhold Klipper · Neunburg vorm Wald, DE
• Pierre Vanhoorne · Monheim, DE

Key dates

• Filing date: Oct 21, 2015
• Grant date: May 21, 2019
• Expiry date: Dec 25, 2035

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F2800/20
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Aminomethylated bead polymers for use as ion exchangers, especially as anion exchangers, or for the preparation of chelate resins, are prepared in the presence of 1,3-dichloropropane as solvent and swelling agent.