Benzophenone-containing photopolymerizable binders for printing inks and coating compositions

US4113593A · kind A · utility

Assignee

• BASF SE

Inventors

• Helmut Barzynski · Bad Dürkheim, DE
• Guenter Heil

Key dates

• Filing date: Sep 19, 1977
• Grant date: Sep 12, 1978
• Expiry date: Sep 19, 1997

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/24934
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Photopolymerizable binders for UV-curing printing inks and coating compositions, which contain benzophenone-based photoinitiators and photosensitizers including p-dimethylaminobenzaldehyde and esters of p-dimethylaminobenzoic acid.