摘要:
Die Erfindung betrifft einen Schichtaufbau umfassend eine Photopolymerschicht B und eine zumindest teilweise gehärtete Schutzschicht C, ein Verfahren zur Herstellung des erfindungsgemäßen Schichtaufbaus, ein Kit-of-parts, die Verwendung einer zumindest teilweise gehärteten Schutzschicht C zum Schutz einer Photopolymerschicht B, sowie optische Anzeigen und Sicherheitsdokumente, umfassend den erfindungsgemäßen Schichtaufbau.
摘要:
The invention relates to aromatic 4,6-bis-trichloromethyl-s-triazin-2-yl- compounds of formula (I). The invention also relates to a photopolymer formulation containing a photopolymerisable component and at least one aromatic 4,6-bis-trichloromethyl-s-triazin-2-yl- compound of formula (I), and a photopolymer comprising matrix polymers, a writing monomer, a photoinitiator and at least one aromatic 4,6-bis-trichloromethyl-s-triazin-2-yl- compound of formula (I), a holographic medium that contains the corresponding claimed photopolymer, a hologram containing a claimed holographic medium, a method for producing a hologram using pulsed laser radiation, and the use of a claimed holographic medium to record a hologram.
摘要:
The invention relates to a layer structure having a protective layer and an exposed photopolymer layer, wherein the protective layer is obtainable by reacting a mixture comprising or consisting of at least one radiation-curing resin I), a multifunctional radiation-curing resin II) and a photoinitiator system III), and the radiation-curing resin I) includes ≤ 5% by weight of compounds having a weight-average molecular weight 1000, the multifunctional radiation-curing resin II) comprises or consists of at least one acrylate having at least two radiation-curing groups and the mixture includes at least 55% by weight of the radiation-curing resin I) and not more than 35% by weight of the multifunctional radiation-curing resin II). The invention additionally relates to a process for producing such a layer structure and to the use thereof.
摘要:
The invention relates to a novel photopolymer formulation comprising a polyol component, a polyisocyanate component, a writing monomer, and a photoinitiator comprising a dye of the formula (I). The invention also relates to a holographic medium which contains a photopolymer formulation according to the invention or which can be obtained using the photopolymer formulation, to the use of the photopolymer formulation according to the invention in order to produce holographic media, and to a method for producing a holographic medium using a photopolymer formulation according to the invention.