| abstract |
The invention relates to a photopolymer formulation comprising a matrix polymer A) by reacting at least a polyisocyanate component a) with an isocyanate-reactive component b), a monomer B), light Starting agent C) and catalyst D) and sulfur-containing chain transfer agent E). The invention further relates to a holographic medium, comprising or using the photopolymer formulation of the invention, for the use of the photopolymer formulation of the invention in the manufacture of a holographic medium and the use of the photopolymer formulation of the invention A method for making a holographic medium. |