Macroporous material in the form of plastic pearls

US7381552B2 · kind B2 · utility

Assignee

• ROEHM GMBH & CO. KG · DE

Inventors

• Stefan Menzler · Darmstadt, DE
• Hans-Ulrich Petereit · Darmstadt, DE
• Christian Meier · Darmstadt, DE
• Thomas Boller · Darmstadt, DE
• Thomas Suefke · Langen (Hessen), DE
• Klaus Schultes · Wiesbaden, DE
• Roger Recktenwald · Bensheim, DE

Key dates

• Filing date: Aug 25, 2003
• Grant date: Jun 3, 2008
• Expiry date: Sep 8, 2024

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S530/815
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to a macroporous plastics bead material with an average particle diameter from 10 to 1000 μm, containing a copolymer of a) 5-60 wt. % vinylically polymerizable monomers with a water solubility of at least 1% at 20° C., b) 1-40 wt. % vinylically polymerizable monomers with an additional functional group, which can enter into covalent bonds with the nucleophilic groups of the ligands in a polymer-like reaction, c) 10-40 wt. % hydrophilic, crosslinking radical-polymerizable monomers with two or more ethylenically unsaturated polymerizable groups and d) 10-60 wt. % vinylically polymerizable monomers with a water solubility of at most 1% at 20° C. are contained, as a rule with the monomers a) to d) adding up to 100%.