METHOD FOR PRODUCING HOLOGRAPHIC MEDIA
3 Assignments
0 Petitions
Accused Products
Abstract
The invention relates to a method for producing holographic media, wherein a photopolymer formulation comprising matrix polymers, writing monomers, a photoinitiator system, and optionally auxiliary materials and additives as components is provided, the photopolymer formulation is applied as a coating on the surface of a carrier film and the photopolymer formulation is dried on the carrier film at a temperature XX<T>YY DEG C., wherein only those compounds having TGA 95 values >100 DEG C. and at least 30 DEG C. above the temperature T are selected as components for the photopolymer formulation. The invention further relates to a holographic medium that can be obtained by means of the method according to the invention.
-
Citations
33 Claims
-
1-14. -14. (canceled)
-
15. A process for producing holographic media comprising:
-
i) providing a photopolymer formulation comprising, as components; A) matrix polymers, B) writing monomers, C) a photoinitiator system, D) optionally a non-photopolymerizable component, and E) optionally catalysts, free radical stabilizers, solvents, additives and other auxiliaries and/or additives; ii) applying the photopolymer formulation as a layer to a substrate film; and iii) drying the photopolymer formulation on the substrate film at a temperature (T) of between 60 to 120°
C.;wherein the components chosen for the photopolymer formulation are only compounds having a TGA 95 value greater than 100°
C. and are at least 30°
C. above the temperature (T). - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
-
Specification