Photopolymer formulations having a low crosslinking density

US9505873B2 · kind B2 · utility

Assignee

• Covestro Deutschland AG · DE

Inventors

• Marc-Stephan Weiser · Leverkusen, DE
• Thomas Roelle · Leverkusen, DE
• Friedrich-Karl Bruder · Krefeld, DE
• Thomas Fäcke · Leverkusen, DE
• Dennis Hönel · Wichterich, DE

Key dates

• Filing date: Sep 29, 2009
• Grant date: Nov 29, 2016
• Expiry date: Mar 6, 2031

Classification

• Technology area (CPC G): Physics
• CPC primary: G03H2260/30
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to photopolymer formulations based on a polymeric network as a matrix and at least one photopolymerizable monomer dissolved therein and to a method for the production of holographic media from such photopolymers and to the use thereof.