UV-curing printing inks

US4056453A · kind A · utility

Assignee

• BASF SE

Inventors

• Helmut Barzynski · Bad Dürkheim, DE
• Guenter Heil
• Karl-Wilhelm Klemm · Stuttgart, DE
• Helfrid Sander

Key dates

• Filing date: Jul 29, 1976
• Grant date: Nov 1, 1977
• Expiry date: Jul 29, 1996

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/24901
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Printing inks which cure under the action of UV radiation. The inks consist of PA1 A. pigment PA1 B. a mixture of benzophenone and Michler's ketone as the photoinitiator PA1 C. a urethane-acrylate PA1 D. an epoxy-acrylate and/or PA1 E. a N-methylol-acrylamide-ether or N-methylol-methacrylamide-ether.