The present invention relates to a novel physical form of bis(2,4,6- trimethylbenzoyl)-n-octyl-phosphine oxide, to a process for its preparation and to its use as photoinitiator in photopolymerization compositions. The invention also relates to a process for the photopolymerization of compositions comprising said photoinitiator as well as its use in articles of manufacture, including printed, coated, and fabricated assemblies.
C08F 2/48 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
G03F 7/00 - Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfacesMaterials therefor, e.g. comprising photoresistsApparatus specially adapted therefor
The present invention relates to hovel photoinitiators having improved performances and to their use in photopolymerization compositions. The invention also relates to a process for the photopolymerization of compositions comprising said photoinitiators as well as their use in articles of manufacture, including printed, coated, and fabricated assemblies.
C08G 65/48 - Polymers modified by chemical after-treatment
B33Y 70/10 - Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
C08F 283/00 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
3.
10,11 -DIHYDRO-5H-DIBENZO[B,F]AZEPINE DERIVATIVES AS PHOTOINITIATIORS IN PHOTOPOLYMERISATION FOR USE IN PHOTOCURABLE COMPOSITIONS
The present invention relates to photoinitiators of formula (I) having improved performances and to their use in photopolymerization compositions. The invention also relates to a process for the photopolymerization of compositions comprising said photoinitiators as well as their use in articles of manufacture, including printed, coated, and fabricated assemblies.
C07D 223/28 - Dibenz [b, f] azepinesHydrogenated dibenz [b, f] azepines with hydrocarbon radicals, substituted by nitrogen atoms, attached to the ring nitrogen atom having a single bond between positions 10 and 11
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
B33Y 70/00 - Materials specially adapted for additive manufacturing
The present invention relates to novel photoinitiators having improved performances and to their use in photopolymerization compositions. The invention also relates to a process for the photopolymerization of compositions comprising said photoinitiators as well as their use in articles of manufacture, including printed, coated, and fabricated assemblies.
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
The present invention relates to novel photoinitiators having improved performances and to their use in photopolymerization compositions. The invention also relates to a process for the photopolymerization of compositions comprising said photoinitiators as well as their use in articles of manufacture, including printed, coated, and fabricated assemblies.
C07C 319/20 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides by reactions not involving the formation of sulfide groups
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
The present invention relates to a novel photoinitiator having improved performances and to its use in photopolymerization compositions. The invention also relates to a process for the photopolymerization of compositions comprising said photoinitiator as well as their use in articles of manufacture, including printed, coated, and fabricated assemblies.
C07C 323/62 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atom of at least one of the thio groups bound to a carbon atom of a six-membered aromatic ring of the carbon skeleton
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
C08K 5/18 - AminesQuaternary ammonium compounds with aromatically bound amino groups
7.
USE OF SPECIFIC PHOTOINITIATORS IN A PHOTOPOLYMERIZATION PROCESS USING COMBINED LED LIGHT WAVELENGTHS
The present invention relates to the use of certain photoinitiators and compositions thereof in a photopolymerization process which makes use of combined LED light wavelengths. The invention also relates to a photopolymerizing process which makes use of said specific photoinitiators with different LED light wavelengths, as well as articles of manufacture, including printed, coated and fabricated assemblies obtained by said process.
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
C09D 11/03 - Printing inks characterised by features other than the chemical nature of the binder
G03F 7/00 - Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfacesMaterials therefor, e.g. comprising photoresistsApparatus specially adapted therefor
The present invention relates to a novel series of bifunctional silicon based photoinitiators with improved reactivity and surface curing and their use in photopolymerization compositions. The invention also concerns a process for the photopolymerization of compositions comprising said photoinitiators, and their use in articles of manufacture, including printed, coated, and fabricated assemblies.
C07F 7/18 - Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B33Y 30/00 - Apparatus for additive manufacturingDetails thereof or accessories therefor
B33Y 70/00 - Materials specially adapted for additive manufacturing
C08F 120/36 - Esters containing nitrogen containing oxygen in addition to the carboxy oxygen
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
C09D 133/14 - Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
The present invention relates to novel photoinitiators having improved reactivity and surface curing and/or lower post-cure yellowing and to photopolymerization compositions containing said photoinitiators. The invention also concerns a process for the photopolymerization of compositions comprising said photoinitiators as well as their use in articles of manufacture, including printed, coated, and fabricated assemblies.
C08F 2/48 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
C07C 69/76 - Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a six-membered aromatic ring
C08F 283/06 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to polyethers, polyoxymethylenes or polyacetals
C08G 65/34 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
The present invention relates to novel coumarin glyoxylates, a process for their preparation and their use as photoinitiators in photopolymerization compositions. The invention also concerns a process for the photopolymerization of compositions comprising said coumarin glyoxylates.
C07D 311/08 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
The present invention relates to novel class of photoinitiators and their use in photopolymerization compositions. The invention also concerns a process for the photopolymerization of compositions comprising said photoinitiators.
C08K 5/3437 - Six-membered rings condensed with carbocyclic rings
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
The present invention relates to hovel photoinitiators having improved performances and to their use in photopolymerization compositions. The invention also relates to a process for the photopolymerization of compositions comprising said photoinitiators as well as their use in articles of manufacture, including printed, coated, and fabricated assemblies.
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
C07C 67/03 - Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
C09D 167/07 - Unsaturated polyesters having carbon-to-carbon unsaturation having terminal carbon-to-carbon unsaturated bonds
C09D 175/16 - Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
The present invention relates to a novel series of bifunctional silicon based photoinitiators with improved reactivity and surface curing and their use in photopolymerization compositions. The invention also concerns a process for the photopolymerization of compositions comprising said photoinitiators, and their use in articles of manufacture, including printed, coated, and fabricated assemblies.
C07F 7/08 - Compounds having one or more C—Si linkages
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
The present invention relates to novel photoinitiators having improved performances and to their use in photopolymerization compositions. The invention also relates to a process for the photopolymerization of compositions comprising said photoinitiators as well as their use in articles of manufacture, including printed, coated, and fabricated assemblies.
C07C 323/22 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and doubly-bound oxygen atoms bound to the same carbon skeleton
G03F 7/00 - Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfacesMaterials therefor, e.g. comprising photoresistsApparatus specially adapted therefor
C08F 2/46 - Polymerisation initiated by wave energy or particle radiation
The present invention relates to a novel photoinitiator having improved performances and to its use in photopolymerization compositions. The invention also relates to a process for the photopolymerization of compositions comprising said photoinitiator as well as their use in articles of manufacture, including printed, coated, and fabricated assemblies.
C07C 323/22 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and doubly-bound oxygen atoms bound to the same carbon skeleton
G03F 7/00 - Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfacesMaterials therefor, e.g. comprising photoresistsApparatus specially adapted therefor
C08F 2/46 - Polymerisation initiated by wave energy or particle radiation
The present invention relates to a homogeneous liquid/fluid combination of photoinitiators with improved formulability, reactivity and surface curing performances, more particularly to novel combinations of acylphosphine oxides and ketocoumarins, optionally further combined with at least one co-initiator.
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
The present invention relates to novel photoinitiators having improved performances and to their use in photopolymerization compositions. The invention also relates to a process for the photopolymerization of compositions comprising said photoinitiators as well as their use in articles of manufacture, including printed, coated, and fabricated assemblies.
C07C 323/22 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and doubly-bound oxygen atoms bound to the same carbon skeleton
G03F 7/00 - Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfacesMaterials therefor, e.g. comprising photoresistsApparatus specially adapted therefor
C08F 2/46 - Polymerisation initiated by wave energy or particle radiation
The present invention relates to novel class of photoinitiators and their use in photopolymerization compositions. The invention also concerns a process for the photopolymerization of compositions comprising said photoinitiators.
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C07D 471/00 - Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups
The present invention relates to multifunctional bisacylphosphine oxides, which are useful as photoinitiators, and to compositions comprising said photoinitiators. The invention also relates to a process for photocuring and to articles of manufacture prepared by said process.
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
The present invention relates to a composition useful for manufacturing pressure sensitive adhesives, “PSAs”, and the use of said PSAs, especially in the medical field. The invention also relates to a method for manufacturing adhesive articles comprising the composition of the invention and to said articles. The invention is further directed to medical articles comprising the composition of the invention.
C08F 2/46 - Polymerisation initiated by wave energy or particle radiation
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
C08G 61/04 - Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms
C09J 133/08 - Homopolymers or copolymers of acrylic acid esters
C08F 220/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
The present invention relates to a homogeneous liquid/fluid combination of photoinitiators with improved formulability, reactivity and surface curing performances, more particularly to novel combinations of acylphosphine oxides and ketocoumarins, optionally further combined with at least one co-initiator.
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
The present invention relates to novel coumarin glyoxylates, a process for their preparation and their use as photoinitiators in photopolymerization compositions. The invention also concerns a process for the photopolymerization of compositions comprising said coumarin glyoxylates.
C07D 311/18 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted otherwise than in position 3 or 7
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
The present invention relates to novel 3-ketocoumarins with improved water compatibility, which are useful as photoinitiators and to compositions comprising said photoinitiators. The invention also relates to compositions comprising said novel 3-ketocoumarins and to a process for photopolymerizing comprising them.
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
C08F 2/48 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
C07D 405/10 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 311/16 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
The present invention relates to a series of novel polymerizable compounds based on 3-ketocoumarins, which are useful as photoinitiators and sensitizers, to compositions comprising said compounds and to a process for photopolymerizing comprising them.
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C07D 311/16 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
C08F 122/20 - Esters containing oxygen in addition to the carboxy oxygen
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
The present invention relates to a novel serie of α-disilyloxyketones, which are useful as photoinitiators (PIs), and to compositions comprising said photoinitiators.
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
The present invention relates to multifunctional bisacylphosphine oxides, which are useful as photoinitiators, and to compositions comprising said photoinitiators. The invention also relates to a process for photocuring and to articles of manufacture prepared by said process.
The present invention relates to a series of novel polymerizable compounds based on 3-ketocoumarins, which are useful as photoinitiators and sensitizers, to compositions comprising said compounds and to a process for photopolymerizing comprising them. Formula (I)
C07D 311/16 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
The present invention relates to novel 3-ketocoumarins with improved water compatibility, which are useful as photoinitiators and to compositions comprising said photoinitiators. The invention also relates to compositions comprising said novel 3-ketocoumarins and to a process for photopolymerizing comprising them.
C07D 311/16 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
29.
COMPOSITION USEFUL AS A PRESSURE SENSITIVE ADHESIVE, ITS USE AND ADHESIVE ARTICLES COMPRISING IT
The present invention relates to a composition useful for manufacturing pressure sensitive adhesives, "PSAs", and the use of said PSAs, especially in the medical field. The invention also relates to a method for manufacturing adhesive articles comprising the composition of the invention and to said articles. The invention is further directed to medical articles comprising the composition of the invention.
C08F 220/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
C09J 133/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
C09J 4/00 - Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C09J 133/08 - Homopolymers or copolymers of acrylic acid esters
The present invention relates to a series of novel multifunctional mono- and bis-acylphosphine oxides, which are useful as photoinitiators, and to photocurable compositions comprising said photoinitiators.
G03F 7/029 - Inorganic compoundsOnium compoundsOrganic compounds having hetero atoms other than oxygen, nitrogen or sulfur
G03F 7/038 - Macromolecular compounds which are rendered insoluble or differentially wettable
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
The present invention refers to a process for producing 5-[4-(2-hydroxy-2-methyl)-1-oxo-prop-1-yl]-3-[4-(2-hydroxy-2-methyl)-1-oxo-prop-1-yl-phenyl]-2,3-dihydro-1,1,3-trimethyl-1H-indene (dimer isomer 5) that comprises the acylation of cumene in the 4-position with an isobutyryl halide, followed by benzylic halogenation and dimerization (cyclization) of the resulting product.
C07C 45/72 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by isomerisationPreparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing C=O groups with the same or other compounds containing C=O groups
C07C 45/63 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by introduction of halogenPreparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by substitution of halogen atoms by other halogen atoms
C07C 45/64 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by introduction of functional groups containing oxygen only in singly bound form
The present invention refers to a process for producing 5-[4-(2-hydroxy-2-methyl)-1-oxo-prop-1-yl]-3-[4-(2-hydroxy-2-methyl)‐1-oxo-prop-1-yl- phenyl]‐2,3‐dihydro‐1,1,3‐trimethyl‐ H‐indene (dimer isomer 5) that comprises the acylation of cumene in the 4‐position with an isobutyryl halide, followed by benzylic halogenation and dimerization (cyclization) of the resulting product.
C07C 45/63 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by introduction of halogenPreparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by substitution of halogen atoms by other halogen atoms
C07C 45/64 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by introduction of functional groups containing oxygen only in singly bound form
C07C 45/72 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by isomerisationPreparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing C=O groups with the same or other compounds containing C=O groups
33.
PROCESS FOR THE PREPARATION OF A PHENYLINDAN COMPOUND
The present invention refers to a process for producing 5‐[4‐(2‐hydroxy‐2‐methyl)‐1‐oxo‐prop‐1‐yl]‐3‐[4‐(2‐hydroxy‐2‐methyl)‐1‐oxo‐prop‐1‐yl‐ phenyl]‐2,3‐dihydro‐1,1,3‐trimethyl‐ H‐indene (dimer isomer 5) that comprises the synthesis from cumene and dimerization of 2‐methyl‐1‐(4‐(prop‐1‐en‐2‐yl)phenyl)propan‐1‐one in the presence of acid catalysts.
C07C 45/63 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by introduction of halogenPreparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by substitution of halogen atoms by other halogen atoms
C07C 45/64 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by introduction of functional groups containing oxygen only in singly bound form
C07C 45/65 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by splitting-off hydrogen atoms or functional groupsPreparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by hydrogenolysis of functional groups
C07C 45/72 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by isomerisationPreparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing C=O groups with the same or other compounds containing C=O groups
C07C 17/14 - Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms in the side-chain of aromatic compounds
The present invention relates to a series of novel multifunctional mono- and bis-acylphosphine oxides, which are useful as photoinitiators, and to photocurable compositions comprising said photoinitiators.
The present invention relates to 3-ketocoumarines which can be used as photoinitiators in LED photocuring and to a process for curing compositions comprising said 3-ketocoumarines.
C07D 311/78 - Ring systems having three or more relevant rings
C07D 311/16 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
C07C 323/22 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and doubly-bound oxygen atoms bound to the same carbon skeleton
B05D 1/00 - Processes for applying liquids or other fluent materials
C09D 129/12 - Homopolymers or copolymers of unsaturated ketones
C07C 49/84 - Ketones containing a keto group bound to a six-membered aromatic ring containing ether groups, groups, groups, or groups
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
3-Esters and 3-amides of thioxanthone bearing alkyl chains of appropriate length and can be used as photoinitiators or sensitizers in photopolymerizable systems, in particular for the preparation of coatings compatible with the food use.
B41M 5/28 - Thermography using thermo-chromic compounds or layers containing liquid crystals, microcapsules, bleachable dyes or heat decomposable compounds, e.g. gas liberating
A61L 24/00 - Surgical adhesives or cementsAdhesives for colostomy devices
C08F 2/46 - Polymerisation initiated by wave energy or particle radiation
C08G 61/04 - Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms
C08J 3/28 - Treatment by wave energy or particle radiation
Process for the preparation of the powdery crystalline mixtures of alpha-hydroxycarbonyl derivatives of alpha-methylstyrene dinners comprising the use of a solvent having polarity from 0 to 0.1.
C07C 45/61 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups
39.
Photopolymerisable systems containing low-extractable and low-volatile coinitiators
This invention concerns photopolymerizable systems containing ethylenically unsaturated reactive oligomers and/or monomers comprising at least one photoinitiator and at least one coinitiator having low-extractability and low-volatility; the photopolymerizable systems of the invention are particularly suited for the preparation of food-packaging coatings.
B05D 3/06 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
40.
Phenylglyoxalic esters generated by photolysis of low migratable fragments
The present invention concerns photopolymerisable systems comprising reactive oligomers and/or monomers having ethylenically unsaturated groups and at least one phenylglyoxalic ester that, by photochemical decomposition, generates fragments having low migratability and low odor.
patents
