Coreactive photoinitiators

US5744512A · kind A · utility

Assignee

• Ciba Specialty Chemicals Corporation · US

Inventors

• Manfred Kohler · Bulle, CH
• Jorg Ohngemach · Reinheim, DE
• Eike Poetsch · Mühltal, DE
• Rudolf Eidenschink · Mainz, DE
• Gerhard Greber · Bischofshofen, AT
• Dieter Dorsch · Ober-Ramstadt, DE
• Jurgen Gehlhaus · Herbstein, DE
• Konrad Dorfner · Darmstadt, DE
• Hans-Ludwig Hirsch · Reinheim, DE

Key dates

• Filing date: Mar 20, 1996
• Grant date: Apr 28, 1998
• Expiry date: Mar 20, 2016

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S522/904
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Compounds of the formula EQU RG--A--IN wherein PA1 IN is a photoinitiator basic structure PA1 A is a spacer group and PA1 RG is a functional reactive group can be employed as coreactive photoinitiators for photopolymerization of systems containing ethylenically unsaturated compounds.