Aqueous binders based on polybutadiene

US6218477A · kind A · utility

Assignee

• Huels Aktiengesellschaft · DE

Inventors

• Wilfried Paulen · Recklinghausen, DE
• Rainer Elm · Marl, DE
• Werner Freitag · Dorsten, DE
• Martina Ortelt · Flein, DE
• Wolfgang Sasse · Haltern, DE
• Karin Sokolowski · Gelsenkirchen, DE

Key dates

• Filing date: Mar 12, 1998
• Grant date: Apr 17, 2001
• Expiry date: Mar 12, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08C19/36
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A water-soluble or water-dispersible binder based on polybutadienes which is modified with at least 5% by weight of maleic anhydride and wherein at least 30% of the anhydride groups are present as imide groups from reaction with an amino carboxylic acid.