Iodonium salt photoinitiators containing urethane groups for cationic curing

US6380277B1 · kind B1 · utility

Assignee

• GOLDSCHMIDT HOLDING GMBH · DE

Inventors

• Sascha Oestreich · Essen, DE
• Andreas Weier · Essen, DE
• Stefanie Volkmer · Essen, DE

Key dates

• Filing date: Sep 19, 2000
• Grant date: Apr 30, 2002
• Expiry date: Sep 19, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C271/28
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to iodonium salts containing urethane groups of reduced crystallization tendency, to a process for their preparation, and to their use for the radiation curing of cationically curing compositions.