Method for selecting photoinitiator systems

The invention relates to a method of selecting photoinitiator systems comprising at least one sensitizer and at least one coinitiator, for photopolymer formulations for producing holographic media.

SELECTION METHOD FOR ADDITIVES IN PHOTOPOLYMERS

The invention relates to a method for selecting compounds which can be used as additives in photopolymer formulations for producing light holographic media, and to photopolymer formulations which contain at least one softener which are selected according to the claimed method. The invention also relates to the use of photopolymer formulations for producing holographic media.

Selection method for additives in photopolymers

The invention relates to a method for selecting compounds which can be used as additives in photopolymer formulations for producing light holographic media, and to photopolymer formulations which contain at least one softener which are selected according to the claimed method. The invention also relates to the use of photopolymer formulations for producing holographic media.

SELECTION METHOD FOR ADDITIVES IN PHOTOPOLYMERS

The invention relates to a method for selecting compounds which can be used as additives in photopolymer formulations for producing light holographic media, and to photopolymer formulations which contain at least one softener which are selected according to the claimed method. The invention also relates to the use of photopolymer formulations for producing holographic media. 111.-. (canceled)12. A method for preparing a photopolymer formulation comprising providing at least one plasticizer , wherein the at least one plasticizer has a volatility TGA95 of >100° C. and a refractive index nof ≦1.4600 , providing a matrix polymer , a writing monomers and a photoinitiator , and preparing the photopolymer formulation by incorporating the at least one plasticizer into the photopolymer formulation.13. The method according to claim 12 , wherein the plasticizer has a volatility TGA95 of >120° C. and the refractive index thereof nD is ≦1.4300.14. A photopolymer formulation comprising matrix polymers claim 12 , writing monomers and photoinitiators claim 12 , wherein the photopolymer formulation is prepared by the method according to and wherein the matrix polymers comprise polyurethanes.15. The photopolymer formulation according to claim 14 , wherein the photoinitiators comprise an anionic claim 14 , cationic or neutral dye and a coinitiator.16. The photopolymer formulation according to claim 14 , wherein the at least one plasticizer comprises urethanes claim 14 , and wherein the urethane is optionally substituted by at least one fluorine atom.18. The photopolymer formulation according to claim 17 , wherein at least one of the radicals R1 claim 17 , R2 claim 17 , R3 is substituted by at least one fluorine atom.19. The photopolymer formulation according to claim 17 , wherein R1 represents an organic radical having at least one fluorine atom.21. The photopolymer formulation according to claim 14 , wherein the writing monomers comprise a polyfunctional writing monomer.22. The ...

Selection method for additives in photopolymers

The invention relates to a method for selecting compounds which can be used as additives in photopolymer formulations for producing light holographic media, and to photopolymer formulations which contain at least one softener which are selected according to the claimed method. The invention also relates to the use of photopolymer formulations for producing holographic media.

Holographic media with improved light sensitivity

The present invention provides a novel photopolymer formulation comprising matrix polymers, writing monomer and a photoinitiator and further comprising a compound of formula (1) where A 1 , A 2 and A 3 are each independently hydrogen, fluorine, chlorine, bromine or iodine, R 1 , R 2 , R 3 , R 4 and R 5 are each independently hydrogen, halogen, cyano, nitro, amino, alkylimino, azide, isonitrile, enamino, formyl, acyl, carboxyl, carboxylate, carboxamide, orthoester, sulphonate, phosphate, organosulphonyl, organosulphoxidyl, optionally fluorinated alkoxy or an optionally substituted aromatic, heteroaromatic, aliphatic, araliphatic, olefinic or acetylenic radical while suitable radicals may be connected together via bridge of any desired substitution, or in that two or more compounds of formula (I) may be connected together via at least one of the radicals R 1 , R 2 , R 3 , R 4 and R 5 , in which case these radicals therein constitute a 2- to 4-tuply functional bridge, with the proviso that at least one of the radicals R 1 , R 2 , R 3 , R 4 and R 5 is not hydrogen. Further subjects of the invention are a photopolymer comprising matrix polymers, a writing monomer and photoinitiator, a holographic medium comprising a photopolymer formulation of the present invention or being obtainable by use thereof, the use of a holographic medium of the present invention and also a process for producing a holographic medium by using a photopolymer formulation of the present invention.

SELECTION METHOD FOR ADDITIVES IN PHOTOPOLYMERS

The invention relates to a method for selecting compounds which can be used as additives in photopolymer formulations for producing light holographic media, and to photopolymer formulations which contain at least one softener which are selected according to the claimed method. The invention also relates to the use of photopolymer formulations for producing holographic media. 111.-. (canceled)13. The method according to claim 12 , wherein claim 12 , in step f) claim 12 , the suitable software package is the program COSMOtherm of COSMOlogic.14. The method according to claim 12 , wherein claim 12 , in step d) claim 12 , a quantum chemical optimization of the geometry of the conformer having the lowest energy according to the force field optimization is effected.15. The method according to claim 12 , wherein claim 12 , in step d) claim 12 , a quantum chemical optimization of the geometry of all conformers in an energy window of 0-4 kJ/mol according to the force field optimization is effected.16. The method according to claim 12 , wherein claim 12 , in step d) claim 12 , a quantum chemical optimization of the geometry of all conformers in an energy window of 0-8 kJ/mol according to the force field optimization is effected.17. The method according to claim 12 , wherein claim 12 , in step k) claim 12 , a check is carried out to determine whether the volatility of the compound to be tested is >120° C. and the refractive index thereof nD is ≦1.4500.18. The method according to claim 12 , wherein claim 12 , in step k) claim 12 , a check is carried out to determine whether the volatility of the compound to be tested is >120° C. and the refractive index thereof nD is ≦1.4400.19. The method according to claim 12 , wherein claim 12 , in step k) claim 12 , a check is carried out to determine whether the volatility of the compound to be tested is >120° C. and the refractive index thereof nD is ≦1.4300.20. A photopolymer formulation comprising matrix polymers claim 12 , writing ...

Method for selecting photoinitiator systems

The invention relates to a method of selecting photoinitiator systems comprising at least one sensitizer and at least one coinitiator, for photopolymer formulations for producing holographic media.

SELECTION METHOD FOR ADDITIVES IN PHOTOPOLYMERS

The invention relates to a method for selecting compounds which can be used as additives in photopolymer formulations for producing light holographic media, and to photopolymer formulations which contain at least one softener which are selected according to the claimed method. The invention also relates to the use of photopolymer formulations for producing holographic media. 111.-. (canceled)13. The method according to claim 12 , wherein claim 12 , in step f) claim 12 , the suitable software package is the program COSMOtherm of COSMOlogic.14. The method according to claim 12 , wherein claim 12 , in step d) claim 12 , a quantum chemical optimization of the geometry of the conformer having the lowest energy according to the force field optimization is effected.15. The method according to claim 12 , wherein claim 12 , in step d) claim 12 , a quantum chemical optimization of the geometry of all conformers in an energy window of 0-4 kJ/mol according to the force field optimization is effected.16. The method according to claim 12 , wherein claim 12 , in step d) claim 12 , a quantum chemical optimization of the geometry of all conformers in an energy window of 0-8 kJ/mol according to the force field optimization is effected.17. The method according to claim 12 , wherein claim 12 , in step k) claim 12 , a check is carried out to determine whether the volatility of the compound to be tested is >120° C. and the refractive index thereof nD is ≦1.4500.18. The method according to claim 12 , wherein claim 12 , in step k) claim 12 , a check is carried out to determine whether the volatility of the compound to be tested is >120° C. and the refractive index thereof nD is ≦1.4400.19. The method according to claim 12 , wherein claim 12 , in step k) claim 12 , a check is carried out to determine whether the volatility of the compound to be tested is >120° C. and the refractive index thereof nD is ≦1.4300.20. A photopolymer formulation comprising matrix polymers claim 12 , writing ...

HOLOGRAPHIC MEDIA WITH IMPROVED LIGHT SENSITIVITY

The present invention provides a novel photopolymer formulation comprising matrix polymers, writing monomer and a photoinitiator and further comprising a compound of formula (1) 2. Photopolymer formulation according to claim 1 , wherein A claim 1 , Aand Aare all either fluorine claim 1 , chlorine claim 1 , bromine or iodine.3. Photopolymer formulation according to claim 1 , wherein R claim 1 , R claim 1 , R claim 1 , Rand Rare each independently hydrogen claim 1 , halogen claim 1 , cyano claim 1 , nitro claim 1 , isonitrile claim 1 , acyl claim 1 , carboxyl claim 1 , carboxylate claim 1 , carboxamide claim 1 , orthoester claim 1 , sulphonate claim 1 , phosphate claim 1 , organosulphonyl claim 1 , organosulphoxidyl claim 1 , or optionally fluorinated alkoxy.4. Photopolymer formulation according to claim 1 , wherein the matrix polymers are in a three-dimensionally crosslinked state.5. Photopolymer formulation according to claim 1 , wherein the matrix polymers are polyurethanes.6. Photopolymer formulation according to claim 5 , wherein the polyurethanes are prepared by reacting at least one polyisocyanate component with at least one isocyanate-reactive component.8. Photopolymer according to claim 7 , wherein A claim 7 , Aand Aare each independently fluorine claim 7 , chlorine claim 7 , bromine or iodine.9. Photopolymer according to claim 7 , wherein R claim 7 , R claim 7 , R claim 7 , Rand Rin the compound of formula (I) are each independently hydrogen claim 7 , halogen claim 7 , cyano claim 7 , nitro claim 7 , isonitrile claim 7 , acyl claim 7 , carboxyl claim 7 , carboxylate claim 7 , carboxamide claim 7 , orthoester claim 7 , sulphonate claim 7 , phosphate claim 7 , organosulphonyl claim 7 , organosulphoxidyl claim 7 , or optionally fluorinated alkoxy.10. Photopolymer according to claim 7 , wherein the matrix polymers are in a three-dimensionally crosslinked state.11. Photopolymer according to claim 7 , wherein the matrix polymers are polyurethanes.12. Photopolymer ...

Selection method for additives in photopolymers

The invention relates to a method for selecting compounds which can be used as additives in photopolymer formulations for producing light holographic media, and to photopolymer formulations which contain at least one softener which are selected according to the claimed method. The invention also relates to the use of photopolymer formulations for producing holographic media.

Method for selecting photoinitiator systems

The invention relates to a method for selecting photoinitiator systems, comprising at least one sensitiser and at least one coinitiator, for use with photopolymer formulations for producing holographic media.

Selection method for photoinitiator systems

本發明有關一種選擇光起始系統之方法，該光起始系統包括至少一種敏化劑及至少一種共起始劑，且係製造全像媒質之光聚合物配方。

An Improved Castor for Furniture and the like.

Kugellager für Möbel

Augenklappe für Pferde