PHOTOPOLYMER COMPRISING A NEW CLASS OF PHOTO INITATOR
申请人:Covestro Deutschland AG
公开号:US20170362349A1
公开(公告)日:2017-12-21
The present invention relates to photopolymer comprising a photopolymerizable component and a photo initiator system. Further aspects of the present invention are a holographic media which comprises such a photopolymer, a display which comprises such a holographic media and the use of such a holographic media to make chip cards, security documents, bank notes and/or holographic optical elements especially for displays.