Process for the preparation of low-peroxide crosslinked vinyllactam polymer

US8623978B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Frank Fischer · Tauberbischofsheim, DE
• Erik Bohrer · Frankenthal (Pfalz), DE
• Angelika Maschke · Regensburg, DE
• Karl Kolter · Ludwigshafen am Rhein, DE
• Michael Kerber · Cleveland Heights, US

Key dates

• Filing date: Nov 23, 2011
• Grant date: Jan 7, 2014
• Expiry date: Nov 23, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J2339/06
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Process for the preparation of low-peroxide crosslinked vinyllactam polymer by free-radical polymerization in the presence of at least one organic substance acting as antioxidant, low-peroxide crosslinked vinyllactam polymer obtainable by this process, and its use.