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328 results about "Thioxanthone" patented technology
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Thioxanthone is a heterocyclic compound that is a sulfur analog of xanthone. Thioxanthone can be prepared by the reaction of diphenyl sulfide with phosgene in the presence of catalytic aluminium chloride. This synthesis can be seen as a special case of the Friedel-Crafts acylation. The reduction product is thioxanthene.
Ink composition for ultraviolet curable ink jets, ink jet recording apparatus using the same, ink jet recording method using the same, and ink set
An ink composition for ultraviolet curable ink jets including monomer A represented by a general formula (I):CH2═CR1—COOR2—O—CH═CH—R3 (I)(in the formula, ‘R1’ represents a hydrogen atom or methyl group, ‘R2’ represents a divalent organic residue having a carbon number of 2 to 20, and ‘R3’ represents a hydrogen atom or a monovalent organic residue having a carbon number of 1 to 11), and a photopolymerization initiator containing an acylphosphine oxide-based photopolymerization initiator and a thioxanthone-based photopolymerization initiator, in which the total content of the acylphosphine oxide-based photopolymerization initiator and the thioxanthone-based photopolymerization initiator is 8% by mass to 16% by mass with respect to the total mass of the ink composition.
Owner:SEIKO EPSON CORP
Small molecules for the reduction of high blood glucose level
InactiveUS20090317372A1Lower blood sugar levelsAntibacterial agentsBiocideDiseaseAcute hyperglycaemia
Embodiments of the present invention include the in vivo use of a family of heterocyclic compounds containing a quaternary ammonium group as exemplified by the thioxanthone and thioxanthene compounds [3-(3,4-dimethyl-9-oxo-9H-thioxanthen-2-yloxy)-2-hydroxypropyl]trimethylammonium chloride, or CCcompound1, N,N,-diethyl-N-methyl-2-[9-oxo-9H-thioxanthen-2-yl)methoxy]ethanaminium iodide, or CCcompound3, and N,N,N-trimethyl-3-(9H-thioxanthen-9-ylidene)-propane-1-aminium iodide, or CCcompound19 to reduce higher than normal blood glucose level within or close to the normal range in subjects with insulin resistance, hyperglycemia, and diabetes thereby also reducing or preventing associated diseases, complications, and pathological states.
Owner:KISS ZOLTAN
Actinic ray curable ink-jet ink composition, image formation method employing the same, and ink-jet recording apparatus
ActiveUS20050113483A1Stable formImprove accuracyLiquid surface applicatorsOrganic chemistryBenzeneCompound a
Disclosed is an actinic ray curable ink-jet ink composition containing a photopolymerizable compound, a sulfonium salt (compound A) as a photoinitiator, which does not release benzene on actinic ray exposure, and a compound (compound B) as a sensitizing agent selected from the group consisting of (i) a polycyclic aromatic compound having a hydroxyl group, a substituted or unsubstituted aralkyloxy group or a substituted or unsubstituted alkoxy group, (ii) a carbazole derivative, and (iii) a thioxanthone derivative.
Owner:KONICA MINOLTA MEDICAL & GRAPHICS INC
Energy ray-curable ink composition
ActiveUS20090197988A1Improve adhesionExcellent curabilityDuplicating/marking methodsInksHindered amine light stabilizers2,2,6,6-Tetramethylpiperidine
An object of the present invention is to provide an energy ray-curable ink composition which is excellent in curability and adhesion, and is also excellent in storage stability.The present invention relates to an energy ray-curable ink composition comprising a coloring material; a polyfunctional monomer having three or more ethylenical double bonds in one molecule as a polymerizable compound; an α-aminoalkylphenone-based compound and a thioxanthone-based compound as photopolymerization initiators; and a hindered amine-based compound having a 2,2,6,6-tetramethylpiperidinyl group as an antigelling agent.
Owner:MAXELL HLDG LTD
Polymerizable polymeric photoinitiators and radiation curable compositions
InactiveUS20120046376A1Simple and cost efficient procedureAvoiding unecological removal of solventInksVinyl etherPhosphine oxide
A polymerizable polymeric photoinitiator according to Formula (I):wherein:PL represents an n+m+p-functional polymeric core;n and m independently represent an integer from 1 to 30;p represents an integer from 0 to 10;o is 0 or 1;INI represents a group selected from the group consisting of a benzophenone, a thioxanthone, a carbazole, a anthraquinone, a camphor quinone, an α-hydroxyalkylphenone, an α-aminoalkylphenone, an acylphosphine oxide, a bisacyl phosphine oxide, an acylphosphine sulfide, a phenyl glyoxalate, a benzoin ether, a benzyl ketal, an α-dialkoxyacetophenone, a carbazolyl-O-acyl-oxime, an α-haloarylketone and an α-haloaryl sulfone;L3 and L4 represent a substituted or unsubstituted divalent linking group comprising 1 to 14 carbon atoms;A represents a radically polymerizable functional group selected from the group consisting of an acrylate, a methacrylate, a styrene, an acryl amide, a methacryl amide, a maleate, a fumarate, an itaconate, an vinyl ether, an allyl ether, an allyl ester, a maleimide, a vinyl nitrile and a vinyl ester; andR4 represents a substituted or unsubstituted alkyl group.Radiation curable compositions containing the polymerizable polymeric photoinitiator and methods for preparing the polymerizable polymeric photoinitiator are also disclosed.
Owner:AGFA NV
Photocurable ink jet recording ink composition and ink jet recording method
Provided is a photocurable ink jet recording ink composition having a low viscosity and excellent curing property and photopolymerization initiator solubility. The photocurable ink jet recording ink composition includes a polymerizable compound and a photopolymerization initiator. The polymerizable compound includes vinyl ether group-containing (meth)acrylic esters represented by Formula (I) in an amount of 20% by mass or more based on the total mass of the ink composition. The photopolymerization initiator includes a bisacylphosphine oxide photopolymerization initiator in an amount of 5% by mass or more based on the total mass of the ink composition and a thioxanthone photopolymerization initiator. The content ratio of the bisacylphosphine oxide photopolymerization initiator to the thioxanthone photopolymerization initiator is from 3:1 to 5:4.
Owner:SEIKO EPSON CORP
Thioxanthone compound and organic light emitting element having the same
ActiveCN103189368AImprove luminous efficiencyReduce the driving voltageOrganic chemistryElectroluminescent light sourcesOrganic compoundLight emission
Provided is an organic light emitting element having a high light emission efficiency and a low drive voltage. In the organic light emitting element including a positive electrode, a negative electrode and an organic compound layer disposed between the positive electrode and the negative electrode, the organic compound layer includes a thioxanthone compound represented by the following general formula [1].
Owner:CANON KK
Energy ray-curable ink composition
ActiveUS20110015294A1Low viscositySuitable physical propertyDuplicating/marking methodsInksDouble bondPolydimethylsiloxane
The present invention provides an energy ray-curable ink composition excellent in the continuous discharge property, and excellent in curability and adherability. The present invention relates to an energy ray-curable ink composition which contains a coloring agent, contains only a monofunctional monomer having an acrylic equivalent of 300 or less, and having one ethylenic double bond in one molecule, and a polyfunctional monomer having an acrylic equivalent of 150 or less, and having two or more ethylenic double bonds in one molecule as a polymerizable compound, contains an α-aminoalkylphenone compound and a thioxanthone compound as a photopolymerization initiator, and contains a silicone compound having a polydimethylsiloxane structure as a surface conditioner.
Owner:MAXELL HLDG LTD
Photo-curing ink composition, ink jet recording method, and ink jet recording apparatus
InactiveUS20080024577A1Low viscosityGood preservation stabilityDuplicating/marking methodsInksLight irradiationViscosity
It is an object of the present invention to provide a photo-curing ink composition having excellent curing properties while maintaining low viscosity and good preservation stability and to provide an ink jet recording method and an ink jet recording apparatus which can provide an image with high quality by using the ink composition. The photo-curing ink composition according to the present invention contains at least one of a compound having an allyl group and an N-vinyl compound as a polymerizable compound and contains at least one of thioxanthone and an amine as a polymerization accelerator. In the ink jet recording method and the ink jet recording apparatus according to the present invention, the photo-curing ink composition is used and the light irradiation starts 0.1 to 20 seconds after the discharge of the ink composition from a head to a recording medium.
Owner:SEIKO EPSON CORP
Photoinitiator blends for high speed triggering
Owner:CRYOVAC ILLC
Preparation method of star polyacrylamide polymer
The invention discloses a preparation method of a star polyacrylamide polymer taking polymine as a core. The method comprises the following step of: initiating a polymerization reaction of an aqueous solution of acrylamide or a mixed aqueous solution of acrylamide and a comonomer by using thioxanthone-modified polymine shown as a formula (II) under illumination to obtain a product, wherein the molar ratio of the comonomer to the polymine is 0.3-0.6 percent; a core A is the thioxanthone-modified polymine shown as the formula (II); the polymerization degree N is 1-16; and an arm B is an acrylamide homopolymer or a copolymer formed by acrylamide and a comonomer. In the invention, the polymerization reaction is fully undergone in water, so that operation is easy, the using amount of an initiator is small, and the reaction speed is low. The polymer has the advantages of large molecular weight, high shearing resistance and practicability.
Owner:CHINA NAT OFFSHORE OIL CORP +1
Automotive UV (Ultraviolet) light-cured camouflage coating and preparation method thereof
ActiveCN104004451ALow costHigh hardnessPolyurea/polyurethane coatingsEpoxy resin coatingsExtinctionAccelerant
The invention discloses an automotive UV (Ultraviolet) light-cured camouflage coating and a preparation method thereof. The camouflage coating comprises a UV light-cured resin, a reactive diluent, a camouflage paint composition, addition agents and a photoinitiator, wherein the UV light-cured resin is formed by four-functionality urethane acrylates and epoxy acrylates; the reactive diluent is formed by pentaerythritol tetraacrylate (PETA) and triethylene glycol divinyl ether (DVE-3); the addition agents comprise an accelerant, a coupling agent, a flatting agent, defoaming agent and extinction powder; the photoinitiator is formed by Irgacure651 and 2-chloridized thioxanthone. The camouflage coating disclosed by the invention has the characteristics of rapid curing speed, energy conservation, air pollution reduction, good adhesive force, high rigidity and the like.
Owner:JIANGSU LITIAN TECH
Amphiphilic hyper-branched thioxanthone photoinitiator and preparation method thereof
The invention discloses an amphiphilic hyper-branched thioxanthone photoinitiator and a preparation method thereof. The small molecule photoinitiator thioxanthone and water-soluble methoxy polyethylene glycol containing epoxy group are introduced on a hyper-branched polymeric coinitiator polyethyleneimine by a method of ring-opening addition, thus preparing a novel amphiphilic hyper-branched polymeric photoinitiator thioxanthone. The polymeric photoinitiator thioxanthone can be used under a condition without a coinitiator, improves the photoinitiation efficiency of the thioxanthone, has excellent compatibility with many solvents and has excellent application prospect in the fields such as coating, micro-electron, food packaging and the like.
Owner:SHANGHAI JIAO TONG UNIV
UV curable ink jet recording ink composition, ink container and ink jet recording apparatus
ActiveUS20140132682A1Low costImprove securityMeasurement apparatus componentsInksHindered amine light stabilizersOxygen content
The UV curable ink jet recording ink composition contains a thioxanthone-based photopolymerization initiator and a hindered amine compound. The dissolved oxygen content in the ink composition is 20 ppm or less.
Owner:SEIKO EPSON CORP
Benzophenone/thioxanthone derivatives and their use in photopolymerizable compositions
Benzophenone / thioxanthone derivatives useful as photoinitiators are provided as well as photopolymerizable compositions comprising the benzophenone / thioxanthone derivatives.
Owner:UNIVERSITY OF SOUTHERN MISSISSIPPI
Radiation curable compositions for food packaging
ActiveUS9550898B2High sensitivityPerformance of the radiation curable composition was minimizedFlexible coversWrappersVinyl etherMethacrylate
An inkjet printing method includes the steps of jetting ink dots on a substrate of a plurality- of radiation curable inkjet inks having a viscosity of no more than 50 mPa·s at 25° C. and a shear rate of 90 s−1, the plurality of radiation curable inkjet inks including a) at least one non-polymerizable, non-polymeric bisacylphosphine oxide present in a concentration of no more than 4.0 wt % based on the total weight of radiation curable inkjet ink; b) at least one monomer including at least one vinyl ether group and at least one polymerizable group selected from the group consisting of an acrylate group -and a methacrylate group; and c) at least one polymerizable or polymeric thioxanthone, with the proviso that if the at least one polymerizable or polymeric thioxanthone contains no tertiary amine group that the radiation curable composition further includes at least one tertiary amine co-initiator selected from the group consisting of ethylhexyl-4-dimethylaminobenzoate, a polymerizable co-initiator containing a tertiary amine and a polymeric co-initiator containing a tertiary amine; and (2) fully curing the jetted ink dots using one or more UV LEDs.
Owner:AGFA NV
Light mitiator of thioxanthone-2-carboxylic ester
A thioxanthone-2-carboxylate as an optical trigger in the form of liquid used in optical polymerizing process features low extraction performance, low mobility and low volatility, and ca be used for paint and ink. Its preparing process is also disclosed.
Owner:TIANJIN JIURI NEW MATERIALS CO LTD
Dual-curing, multi-component dental composition
A dual-curing, multi-component dental composition is described. The dental composition can include:(a) one or more photopolymerizable monomers selected from the group consisting of acrylates and methacrylates;(b) one or more photoinitiators, selected from the group consisting of alpha-diketones, benzoin alkyl ethers, thioxanthones, benzophenones, acylphosphinoxides, acetophenones, ketals, titanocenes, borates and sensitizing colorants;(c) one or more molecular weight regulators selected from the group consisting of compounds which can be converted with a radical of a monomer of component (a), wherein the conversion takes place by abstraction of an H-radical from the molecular weight regulator in the allyl position;(d) one or more polymerization inhibitors for increasing the storage stability of the composition;(e) one or more inorganic fillers;(f) one or more initiators for a chemical curing at ambient temperature, and if necessary one or more further additives. Related methods and uses are also described.
Owner:VOCO
Recording method, light curable type ink set, and recording apparatus
ActiveUS20120127249A1Color stability of ink, andHigh transparencyImpression capsDuplicating/marking methodsPolymer sciencePhoto irradiation
Provided is a recording method using a light-curable-type ink set including a light-curable-type color-ink composition containing a polymerizable compound, a photopolymerization initiator, and a coloring material and a light-curable-type clear-ink composition containing a polymerizable compound and a photopolymerization initiator, wherein the light-curable-type color-ink composition contains (1) an acylphosphine oxide-based photopolymerization initiator and (2) at least one of a thioxanthone-based photopolymerization initiator and / or an α aminoalkylphenone-based photopolymerization initiator which is in a range of 0.5 to 4 mass % with respect to the total mass of the color ink composition, wherein the light-curable-type clear-ink composition contains an acylphosphine oxide-based photopolymerization initiator which is in a range of 5 to 12 mass % with respect to the total mass of the clear-ink composition, and wherein illumination energy when a coated film made from the ink set is cured through light illumination from a light source is in a range of 100 to 800 mJ / cm2.
Owner:SEIKO EPSON CORP
Preparation method of 2-isopropyl thioxanthone and derivatives thereof
The invention relates to a preparation method of 2-isopropyl thioxanthone and derivatives thereof, comprising the following steps of: carrying out condensation reaction on a derivative of o-chlorobenzoic acid (C7H5ClO2) and a derivative of 4-isopropyl thiophenol (C9H12S) in an organic solvent, and carrying out dehydration cyclization reaction on condensation products under the catalysis of concentrated sulfuric acid. The 2-isopropyl thioxanthone prepared by the invention can be used as a high-efficiency radical II-type photo initiator. The invention has easy operation, low cost, environmental protection and high purity; the purity of the product can reach more than 99 percent; the product can be commercially prepared and produced on a large scale to meet the current ever-increasing market demand.
Owner:TIANJIN JIURI NEW MATERIALS CO LTD
Benzophenone/thioxanthone derivatives and their use in photopolymerizable compositions
Owner:UNIVERSITY OF SOUTHERN MISSISSIPPI
Methacrylic acid-styrene-hydroxyethyl acrylate copolymer dispersant and preparation method and application thereof
ActiveCN102585082AGood dispersionLow total activation energyBiocideTransportation and packagingCarboxylic acidCoordination complex
The invention relates to a methacrylic acid-styrene-hydroxyethyl acrylate copolymer dispersant and a preparation method and application thereof. The methacrylic acid-styrene-hydroxyethyl acrylate copolymer dispersant is synthesized with styrene, methacrylic acid and hydroxyethyl acrylate as monomers, and cerous chloride-2-isopropyl-thioxanthone complex, cerous chloride-anthraquinone complex or cerous chloride-diphenyl ketone complex as a photoinitiator through photo initiated radical copolymerization. The dispersant provided by the invention can have a good dispersion effect on inorganic powder and pesticide preparations, and can be compounded with a wetter to take good dispersion effect on pesticide water-borne preparations.
Owner:SHANGHAI NORMAL UNIVERSITY
Method for preparing patterned polymer brush
The invention relates to a method for preparing a patterned polymer brush, which belongs to the technical field of micro nano material preparation. The micron patterned polymer brush is obtained by fixing a thioxanthone photoinitiator containing coinitiator amine on the surface of a base material by covalent bond self-assembly technology, performing patterned photobleaching on the initiator through mask photoetching and performing photo-initiation monomer polymerization. The method is simple and effective, is suitable for large-scale preparation of various patterned polymer brushes, can prepare functional patterned polymer brushes and develops direction for potential application of the polymer brush.
Owner:SHANGHAI JIAO TONG UNIV
UV ink spraying white ink
The invention provides UV ink spraying white ink, which is prepared from the following ingredients in parts by mass: 30 to 70 parts of monomers, 5 to 15 parts of photoinitiators, 1 to 10 parts of resin and 20 to 50 parts of white color paste, wherein one or several kinds of materials of annular structure, hydroxyl, oxethyl, propyl group, amidogen and amino group are contained in the monomer structures; the photoinitiators are one or several kinds of materials from acyl phosphine oxide type photoinitiators, alpha-hydroxy-ketone type photoinitiators, alpha-aminoketone photoinitiators and thioxanthone type photoinitiators; the white color paste comprises pigments; the pigments are titanium dioxide. The UV white ink spraying white ink provided by the invention has high stability, and can stillrealize high stability after the aging for 7 days. The UV ink spraying white ink provided by the invention has good curing adhesion performance; in addition, the UV white ink spraying ink provided bythe invention has good whiteness and shielding rate; the problems of spray head blockage and ink interruption cannot occur.
Owner:TRENDVISION TECH(ZHUHAI) CO LTD
Polymerizable polymeric photoinitiators and radiation curable compositions
InactiveUS8883873B2Simple and cost efficient procedureAvoiding unecological removal of solventInksVinyl etherMethacrylate
A polymerizable polymeric photoinitiator according to Formula (I):wherein:PL represents an n+m+p-functional polymeric core;n and m independently represent an integer from 1 to 30;p represents an integer from 0 to 10;o is 0 or 1;INI represents a group selected from the group consisting of a benzophenone, a thioxanthone, a carbazole, a anthraquinone, a camphor quinone, an α-hydroxyalkylphenone, an α-aminoalkylphenone, an acylphosphine oxide, a bisacyl phosphine oxide, an acylphosphine sulfide, a phenyl glyoxalate, a benzoin ether, a benzyl ketal, an α-dialkoxyacetophenone, a carbazolyl-O-acyl-oxime, an α-haloarylketone and an α-haloaryl sulfone;L3 and L4 represent a substituted or unsubstituted divalent linking group comprising 1 to 14 carbon atoms;A represents a radically polymerizable functional group selected from the group consisting of an acrylate, a methacrylate, a styrene, an acryl amide, a methacryl amide, a maleate, a fumarate, an itaconate, an vinyl ether, an allyl ether, an allyl ester, a maleimide, a vinyl nitrile and a vinyl ester; andR4 represents a substituted or unsubstituted alkyl group.Radiation curable compositions containing the polymerizable polymeric photoinitiator and methods for preparing the polymerizable polymeric photoinitiator are also disclosed.
Owner:AGFA NV
Acid generator compounds and photoresists comprising same
ActiveUS20140080059A1Improve photolithographic effectIncrease contrastOrganic chemistryElectric discharge tubesSulfoniumPhotoresist
Acid generator compounds are provided that are particularly useful as a photoresist composition component. Acid generator compounds of the invention comprise 1) a cyclic sulfonium salt and 2) a covalently linked photoacid-labile group. In one aspect, thioxanthone acid generator compounds are particularly preferred, including acid generator compounds that comprise (i) a thioxanthone moiety; and (ii) one or more covalently linked acid labile-groups.
Owner:DOW GLOBAL TECH LLC +1
Method for preparing stimulating responsive polymer brush
The invention relates to a method for preparing a stimulating responsive polymer brush, in particular to a polymer brush which can modify a surface and has stimulating responsiveness to temperature, and belongs to the technical field of micro nano material preparation. The stimulating responsive polymer brush is obtained by performing surface cleaning on a substrate by using a mixed solution containing concentrated sulphuric acid and hydrogen peroxide, performing epoxy silane coupling agent self-assembly and performing graft by adopting a photoinitiator. The method fixes a thioxanthone photoinitiator containing coinitiator amine on the surface of a base material by self-assembly technology, prepares the polymer brush by surface photo-initiation polymerization, is simple in operation, has the initiator with high graft intensity, high efficiency and speed of initiation polymerization, can be widely suitable for monomers capable of performing photo-initiation polymerization, and has wide application prospect.
Owner:SHANGHAI JIAO TONG UNIV
High strength low smoke halogen-free flame retardant cable material for buildings and preparation method thereof
InactiveCN104910477AHigh temperature resistanceHigh strengthPlastic/resin/waxes insulatorsFlame-proof filament manufacturePolyethylene oxideCross-linked polyethylene
The invention relates to a high strength low smoke halogen-free flame retardant cable material for buildings. The cable material is prepared from the following raw materials by weight part: 0.5-0.7 of paraffin oil, 1-1.5 of silicon carbide whisker, 20-25 of magnesium hydroxide, 20-25 of aluminum hydroxide, 9-10 of polyacrylonitrile, 6-7 of polylactic acid, 3-4 of polyethylene oxide, a proper amount of dimethyl formamide, a proper amount of a composite solvent of dimethyl formamide / dichloromethane in a volume ratio of 1:1, a proper amount of methyl methacrylate, a proper amount of isopropyl thioxanthone, 50-55 of crosslinked polyethylene, and 4-5 of organic silicone. By using silicon carbide whisker, the cable material has high temperature resistance and high strength, good flame retardance, and can prevent fire, thus increasing the safety of building cables. The invention solves the agglomeration phenomenon caused by uneven dispersion of inorganic filler, the filler is distributed evenly and is coated in the matrix resin, thus being conducive to interface bonding of the filler and the matrix resin. And the formed fiber substantially improves the wear resistance and toughness of the cable material.
Owner:力拓电力合金电缆股份有限公司
Light-sensitive resin composition, a dry film solder resist and a circuit substrate
InactiveCN103109234AExcellent light curing propertiesExcellent plating resistancePhotosensitive materials for photomechanical apparatusNon-metallic protective coating applicationPolymer scienceOligomer
Owner:LG CHEM LTD
Holographic recording medium
InactiveUS20070030541A1Photosensitive materialsPhotomechanical apparatusM-aminoacetophenoneCompound (substance)
A holographic recording medium has a recording layer including a radical-polymerizable compound, a first photo-radical polymerization initiator (A) containing a titanocene compound, and a second photo-radical polymerization initiator (B) containing at least one compound selected from the group consisting of an amino acetophenone derivative, an acylphosphine oxide derivative, a benzyl derivative, and a thioxanthone derivative.
Owner:KK TOSHIBA
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