Patent application number | Description | Published |
20090076199 | RED DYE MIXTURE - Mixtures have been found comprising at least one red dye of the formula (I), (C) or (CI) | 03-19-2009 |
20100092887 | FLUORINE-CONTAINING QUINACRIDONES IN COLOUR FILTERS FOR LCDs - Use of quinacridones of the formula (I) | 04-15-2010 |
20130177746 | LAMINATE STRUCTURE COMPRISING A PROTECTIVE LAYER AND AN EXPOSED PHOTOPOLYMER LAYER - The present invention relates to a laminate structure comprising a protective layer and an exposed photopolymer layer, the laminate structure being obtainable by reacting at least one radiation-curing resin I), an isocyanate-functional resin II) and a photoinitiator system III), and the radiation-curing resin I) containing ≦5% by weight of compounds having a weight-average molecular weight of <500 and ≧75% by weight of compounds having a weight-average molecular weight of >1000, the isocyanate-functional resin II) containing ≦5% by weight of compounds having a weight-average molecular weight of <500, and the protective layer containing the radiation-curing resin I) at least to an extent of 80% by weight and the isocyanate-functional resin II) at most to an extent of 15% by weight. The invention further provides a process for producing the inventive laminate structure. | 07-11-2013 |
20130224634 | PHOTOPOLYMER FORMULATION FOR PRODUCING HOLOGRAPHIC MEDIA HAVING HIGHLY CROSSLINKED MATRIX POLYMERS - The invention relates to a photopolymer formulation comprising a polyol component, a polyisocyanate component, a writing monomer, and a photoinitiator, containing a coinitiator and a dye having the formula F An, where F stands for a cationic dye and An″ stands for an anion, wherein the dye having the formula F An comprises a water absorption of =5%. The invention further relates to a holographic medium, in particular in the form of a film, containing a photopolymer formulation according to the invention, to the use of such a medium for recording holograms, and to a special dye that can be used in the photopolymer formulation according to the invention. | 08-29-2013 |
20130252140 | DIFUNCTIONAL (METH)ACRYLATE WRITING MONOMERS - The invention relates to compounds, of formula (I) in which X is CH | 09-26-2013 |
20140038084 | PHOTOPOLYMER FORMULATION FOR PRODUCING HOLOGRAPHIC MEDIA - The invention relates to a photopolymer formulation, comprising at least one polyol component, a polyisocyanate component, a write monomer, a photoinitiator, and a catalyst, wherein the photopolymer formulation has an activation temperature >8300 K. The invention further relates to a method for producing a holographic medium, to a holographic medium that can be obtained according to the method according to the invention, and to the use of a holographic medium according to the invention for producing a hologram. | 02-06-2014 |
20140255824 | SULPHUR-CONTAINING CHAIN TRANSFER REAGENTS IN POLYURETHANE-BASED PHOTOPOLYMER FORMULATIONS - The present invention relates to photopolymer formulations comprising: matrix polymers (A), obtainable by reacting at least one polyisocyanate component (a) and one isocyanate-reactive component (b); a writing monomer (B); a photoinitiator (C) a catalyst (D); and a sulphur-containing chain transfer reagent (E). A holographic medium that contains a photopolymer formulation according to the invention or can be obtained by using it, the use of a photopolymer formulation according to the invention for manufacturing holographic media, and a method for producing a holographic medium by using a photopolymer formulation according to the invention are also subject matter of the invention. | 09-11-2014 |
20140295328 | CHAIN TRANSFER REAGENTS IN POLYURETHANE-BASED PHOTOPOLYMER FORMULATIONS - The present invention relates to photopolymer formulations comprising: matrix polymers (A), obtainable by reacting at least one polyisocyanate component (a) and one isocyanate-reactive component (b); a writing monomer (B); a photoinitiator (C); a catalyst (D); and a chain transfer reagent (E). A holographic medium that contains a photopolymer formulation according to the invention or can be obtained by using it, the use of a photopolymer formulation according to the invention for manufacturing holographic media, and a method for producing a holographic medium by using a photopolymer formulation according to the invention are also subject matter of the invention. | 10-02-2014 |
20150017353 | LAYER COMPOSITE CONSISTING OF A PHOTOPOLYMER FILM AND AN ADHESIVE LAYER - The present invention relates to a layer composite comprising an exposed photopolymer film and an adhesive layer which is connected to the photopolymer film at least in certain regions, wherein the photopolymer film comprises crosslinked polyurethane matrix polymers A), crosslinked writing monomers B) and a monomeric fluoroethane additive C), wherein the adhesive layer is in the form of a diffusion barrier for the fluoroethane additive C). The invention also relates to the use of the layer composite for producing chip cards, ID documents or 3D images, as a product protective label, as a label, in banknotes in the form of a strip or window or as holographically optical elements in displays. | 01-15-2015 |