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1312 results about "Photo curing" patented technology
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Novel aerogel multifunctional material and preparation method thereof
InactiveCN106928908AGood material uniformityGood formabilityHeat-exchange elementsAerogel preparationWeather resistanceChemistry
The invention provides a novel aerogel multifunctional material and a preparation method thereof. The multifunctional aerogel composite is prepared from gellan gum, hyaluronic acid as well as derivatives or mixture of the gellan gum and the hyaluronic acid, aerogel, a novel light-sensitive material, a novel solvent or novel ionic liquid or a novel mixed solvent formred by the above solvents or essential oil and the like by a high-energy photocuring method. The composite material has the characteristics of low density, low heat-conducting coefficient, high weather resistance, environmental friendliness and the like. A functional carrier or a functional material coated with the composite material has high heat-isolating, heat-insulating, cold-accumulating, moisturizing, moisture-proof, moisture-retaining and anti-haze characteristics, and the characteristics and the use range of the materials can be improved. The multifunctional material is extremely widely applied, and can be widely applied in the fields of haze prevention and control, disease diagnosis and treatment, medicine, military industry, chemical industry, spaceflight, navigation, aviation, high-speed train, paper making, printing, water treatment, agriculture and animal husbandry, a cold chain system, food and cosmetic safety.
Owner:广州市芯检康生物科技有限公司
Organic electroluminescent device
InactiveUS6268071B1Easy to useDischarge tube luminescnet screensElectroluminescent light sourcesBenzeneAliphatic hydrocarbon
An organic EL device comprises a substrate, an organic EL structure stacked on the substrate, a sealing plate located on the organic EL structure with a predetermined space therebetween, and a sealing adhesive agent for fixing the sealing plate on the substrate and thereby closing up the organic EL structure. The sealing adhesive agent is a photo-curing type adhesive agent which, upon photo-curing, generates gases under heating conditions of 85° C. and 60 minutes. In these gases, the total amount of a low-molecular straight-chain aliphatic hydrocarbon which may have a substituent, an aromatic hydrocarbon which may have a substituent, an alicyclic hydrocarbon which may have a substituent, and a heterocyclic compound and a siloxane which may have a substituent is 200 mug / g or lower calculated as benzene. The organic EL device of the invention is reduced as much as possible in terms of a deterioration with time, and can maintain its initial performance over a long period of time, so that it can have an ever longer service life.
Owner:FUTABA CORPORATION
Photo nanoimprint lithography
InactiveUS20090085255A1Improve machining accuracyImprove positioning characteristicNanoinformaticsPhotomechanical apparatusResistNanoimprint lithography
The present invention is directed to providing a photo nanoimprint lithography which can form a more uniform base layer. A photo nanoimprint lithography according to the present invention includes the steps of discretely applying a photo-curable resist drop-wise onto a substrate, filling an asperity pattern of a mold with the photo-curable resist by bringing the mold having the asperity pattern formed therein into contact with the photo-curable resist, curing the photo-curable resist by irradiating the resist with a light and releasing from the mold the photo-curable resist which has been photo-cured, wherein an intermediary layer is formed on a surface of the substrate for maintaining a discrete placement of the photo-curable resist that has been instilled drop-wise on the substrate until the mold is brought into contact with the photo-curable resist that has been instilled drop-wise on the substrate.
Owner:HITACHI LTD
Method for manufacturing image display device
ActiveUS20100003425A1Fully curedReduce the amount requiredLiquid crystal compositionsElectric discharge heatingLiquid-crystal displayOptical transmittance
A method for manufacturing an image display device includes the step of forming a cured resin layer 15 by interposing a photo-curable resin composition between a base 2 including an image display unit such as a liquid crystal display panel 8 and a light-transmitting protection member 3 including a light-shielding member 5 and then photo-curing the photo-curable resin composition. In this method, a resin composition having a curing shrinkage ratio of 5% or less, yielding a cured product having a storage elastic modulus at 25° C. of 1.0×107 Pa or less, and forming the cured resin layer having a light transmittance of 90% or more in the visible range is used as the photo-curable resin composition.
Owner:DEXERIALS CORP
Magnetic head device having suspension with microactuator bonded thereto
The present invention provides a magnetic head device exhibiting a good bonded state of a piezoelectric element and a load beam, and excellent reliability. The magnetic head device includes a slider provided with a reproducing element for detecting a magnetic signal recorded on a recording medium, and a recording element for recording a magnetic signal on the recording medium, an elastic supporting member for supporting the slider, and piezoelectric elements mounted on the elastic supporting member, for distorting the elastic supporting member to change the position of the slider. The piezoelectric element and the elastic supporting member are bonded together with a photo-curing and thermosetting epoxy adhesive resin having a Young's modulus of 1 GPa or more at 25° C., and a glass transition temperature of 90° C. or more.
Owner:TDK CORPARATION
Optical film and surface light source using it
InactiveUS20070064294A1Secure high brightnessEvenly diffused lightMechanical apparatusElongate light sourcesEpoxyPolyethylene terephthalate
An optical film 10 has a transparent base film 11 made of polyethylene terephthalate (PET), a prism made of photo-curing resin such as acryl modified epoxy on an incident surface 12 that is one face of the base film 11, and a hologram similarly made of photo-curing resin on an exit surface 13 opposing the incident surface 12. The prism has grooves or ridges each having a substantially triangular cross section to totally reflect incident light so as to bend the light into a direction perpendicular to the exit surface 13. The hologram anisotropically diffuses light exiting from the exit surface 13, to improve brightness.
Owner:HITACHI CHEM CO LTD
Ketoxime ester photoinitiator
ActiveCN101565472AImprove applicabilityApplication performance (good sensitivityOrganic compound preparationPhotomechanical apparatusCarbazoleMethyl benzene
The invention relates to a ketoxime ester photoinitiator, in particular to a ketoxime ester photoinitiator for a photo-curing material. The ketoxime ester photoinitiator has a chemical structural formula as the right, wherein in a R1 structure, n is an integer of between 0 and 5; m is an integer of between 1 and 6; R2 is methyl, phenyl, substituted phenyl, benzyl or substituted benzyl; and R3 is diphenyl sulfide group, substituted diphenyl sulfide group, carbazole group or substituted carbazole group. The ketoxime ester photoinitiator solves the problems of poor application performance and poor thermal stability of the prior OXE-1 ketoxime ester photoinitiator.
Owner:CHANGZHOU TRONLY NEW ELECTRONICS MATERIALS
UV photo-curing adhesive for lamination of polarizer sheet protective membrane
InactiveCN1566244AReduce consumptionShorten the drying channelOrganic non-macromolecular adhesiveTectorial membraneAdhesive
The invention relates to a UV optical solidifying adhesive agent, in particular a UV photo-curing adhesive for lamination of polarizer sheet protective membrane, which comprises prepolymer, reactive monomer, photo-initiation agent, and auxiliary agent.
Owner:CHINA LUCKY FILM CORP
Fluorescent conversion filter and color display device using the same
InactiveUS6249372B1Facilitates its fine patteringImprove the display effectOptical filtersSolid-state devicesDisplay deviceWavelength
A fluorescent conversion filter includes a fluorescent conversion film which facilitates converting light from a wavelength region between near ultraviolet and green to light in the red region which can be finely patterned. A color display device can be produced which includes the fluorescent conversion filter. The fluorescent conversion filter includes a fluorescent conversion film and a light absorption film on the display side surface of the flourescent conversion film. The flourescent conversion film has an absorbance of 1 or less in the wavelength region between 450 nm and 520 nm. The light absorption film has an absorbance of greater than I in the wavelength region between 450 nm and 520 nm. The fluorescent conversion film contains a photo-curing resin or a photo- and thermo-setting resin, that contains an acrylate polymer, a methacrylate polymer or an acrylate-methacrylate copolymer as its main component.
Owner:SHARP KK
Photo-curable composition and photo-cured product
InactiveUS6207728B1Simple compositionProcess stabilityPhotomechanical apparatusOptical articlesSilane compoundsHeat resistance
Disclosed is a photo-curable composition comprising the following components (A) to (C): (A) hydrolyzable silane compound represented by the general formula (1) or a hydrolyzate thereof: (R1)pSi(X)4-p (1) wherein R1 is a non-hydrolyzable organic group having 1 to 12 carbon atoms, X is a hydrolyzable group, and p is an integer of 0 to 3; (B) photo acid generator; and (C) dehydrating agent. By such constitution, it is possible to provide a photo-curable composition which has a rapid photo-curable rate, is excellent in characteristics such as storage stability, heat resistance, weather-ability, scratch resistance and the like, and is applicable to base materials having low heat resistance such as plastics, as well as a cured product obtained therefrom.
Owner:JSR CORPORATIOON
Preparation method of porous ceramic material rapidly formed based on photocuring
InactiveCN107032798AHigh porosityControllable shapeAdditive manufacturing apparatusCeramicwareDiluentSlurry
Provided is a preparation method of a porous ceramic material rapidly formed based on photocuring. The preparation method comprises the steps that firstly, a photo-cured resin prepolymer, an active diluent and a surface modifier are evenly mixed to obtain a premixed solution, ceramic powder and a pore-forming agent are mixed to obtain porous ceramic powder, then the porous ceramic powder is mixed in the premixed solution to obtain primary slurry, and then a photoinitiator is added to prepare a photocured porous ceramic slurry; the ceramic slurry is put in a photocuring forming device to prepare a photocuring forming blank; finally the blank is degreased and sintered to obtain the porous ceramic material. By designing and optimizing the components and proportion of the photocured porous ceramic slurry and using a photocuring 3D printing device, the limitations of traditional mold processing to shapes are overcome. The micropores formed by adopting the pore-forming agent and macropores for 3D printing are combined, and the high-porosity foam ceramic material can be prepared. In addition, the macropores are controllable in shape and distribution, and gradient porous ceramic material can be prepared.
Owner:TSINGHUA UNIV
Magnetic head device having suspension with microactuator bonded thereto
Owner:TDK CORPARATION
Photocurable resin composition for sealing material and method of sealing
InactiveUS6586496B1Liquid crystal compositionsNon-fibrous pulp additionCationic polymerizationHeat resistance
A photo-curable resin composition for sealing material, which is superior in the photo-curing performance and in the prompt curing property and is better in the adhesive property, in the resistance to moisture permeation and in the heat resistance, the photo-curable resin composition comprising(A) a compound having oxetane ring,(B) a photoinitiator for cationic polymerization and(C) a silane coupling agent,wherein the composition has a viscosity in the range from 0.01 to 300 Pa.s at 25° C.
Owner:MITSUI CHEM INC
Method for preparing transparent and heat insulating water ultraviolet curing coating
ActiveCN101423677AGood weather resistanceHigh hardnessPolyurea/polyurethane coatingsUltravioletSolvent
The invention relates to a method for preparing an aqueous ultraviolet photo-cured coating with transparence and heat insulation and belongs to the technical field of environment-friendly energy-saving coating. The coating consists of a modified heat insulating nanometer serous fluid for emulsifying and compounding an aqueous UV prepolymer, a light evocating agent, a coating additive and the like. The modified heat insulating nanometer serous fluid carries out emulsification and compounding on the aqueous UV prepolymer so as to obviously improve the dispersion and stability of the coating, wherein a heat insulation nanometer powder body is an oxide consisting of tin, stibium, zinc, copper and aluminum so that the coating has high transparency and heat insulation and low radiation; the coating uses water as a solvent, fully meets the requirement of environmental protection, adopts a spraying or knifing mode, utilizes ultraviolet radiation for curing and film forming, can realize the automatic coating of production lines and has convenient construction; and a coating film has the characteristics of good weather resistance, high rigidity, strong adhesive force and the like.
Owner:JIANGNAN UNIV
Ultraviolet light curing nano antibacterial woodenware paint and preparation method thereof
InactiveCN1927971AEase of industrial productionNo harmAntifouling/underwater paintsPaints with biocidesLacquerUltraviolet lights
The present invention discloses one kind of ultraviolet ray cured nanometer antibiotic woodenware lacquer and its preparation process. The ultraviolet ray cured nanometer antibiotic woodenware lacquer includes epoxy acrylate, polyurethane acrylate, diluent, nanometer inorganic antiseptic, nanometer inorganic stuffing and photoinitiator. The preparation process includes adding nanometer inorganic antiseptic and nanometer inorganic stuffing into the diluent, stirring to disperse homogeneously, adding epoxy acrylate, polyurethane acrylate and photoinitiator and mixing homogeneously. The woodenware lacquer with nanometer inorganic antiseptic can inhibit the growth and propagation of bacteria and microbes to produce long term antibiotic effect.
Owner:RESEARCH INSTITUTE OF TSINGHUA UNIVERSITY IN SHENZHEN +1
Encapsulating a solder joint with a photo cured epoxy resin or cyanate
InactiveUS6129955AImprove protectionReduce stressPrinted circuit assemblingSemiconductor/solid-state device detailsElectrical conductorEngineering
An electronic package assembly where a low profile integrated circuit chip package is soldered to an organic (e.g., epoxy resin) substrate, e.g., a printed circuit board or card, the projecting conductive leads of the integrated circuit chip package and the solder which substantially covers these leads (and respective conductors on the substrate) having been substantially covered with ultraviolet photocured encapsulant material (e.g., an epoxy resin or a cyanate with a photoinitiator and silica) to provide reinforcement for the solder-lead connections. The encapsulant material is dispensed about the solder and lead joints following solder reflow and solidification so as to substantially surround the solder and any portions of the leads not covered with solder.
Owner:ULTRATECH INT INC
Castor oil-based polyurethane acrylate and preparation method as well as application thereof
ActiveCN105601880ALight curing speed is fastHigh tensile strengthPolyureas/polyurethane adhesivesInksCross-linkMethacrylate
The invention discloses castor oil-based polyurethane acrylate and a preparation method as well as application thereof. The castor oil-based polyurethane acrylate is hexa-functional or octa-functional castor oil-based polyurethane (methyl) acrylate resin. An acrylate radical comprises a methacrylate radical and an acrylate radical, and is suitable for carrying out free radical polymerization. Under the action of a photoinitiator, the resin is irradiated by ultraviolet light and can generate cross linking at a higher speed. A film formation product of the castor oil-based polyurethane acrylate has excellent flexibility and adhesive force; the hardness and the glossiness of a cured film are obviously improved; the castor oil-based polyurethane acrylate can be used as a formula ingredient of a photo-cured coating material, ink, and an adhesive.
Owner:广州纽楷美新材料科技有限公司
Process for manufacturing intraocular lenses with blue light absorption characteristics
ActiveUS7276544B2High refractive indexImprove clarityImpression capsPhotomechanical apparatusIntraocular pressureUltraviolet lights
Owner:BAUSCH & LOMB INC
Display unit integral with touch panel bonded through an adhesive composition or an adhesive film and production method thereof
InactiveUS6310612B1Adequate elastic property and buffering actionSuperior in clarity and adhesiveness and durabilityTransmission systemsStatic indicating devicesMethacrylateTouch panel
A heat- and / or photo-curing adhesive composition to be used in production of a display unit integral with a touch panel by bonding the touch panel to the display unit, the adhesive composition comprising as a main component of one or more than one kind of copolymer selected from (1) ethylene-vinyl acetate copolymer; (2) copolymer of ethylene, vinyl acetate, and acrylate and / or methacrylate monomer; (3) copolymer of ethylene, vinyl acetate, and maleic acid and / or maleic anhydride; and (4) copolymer of ethylene, acrylate and / or methacrylate monomer, and maleic acid and / or maleic anhydride.
Owner:BRIDGESTONE CORP
Image display device
ActiveUS20100097746A1Inhibition effectTube/lamp screens manufactureElectrical apparatus contructional detailsDisplay deviceEngineering
A method for manufacturing an image display device includes the step of forming a cured resin layer by interposing a photo-curable resin composition between a protection member and a display-side panel including an image display unit and a frame member and then photo-curing the photo-curable resin composition, with the photo-curable resin composition being disposed across between the image display unit and the frame member. In the manufacturing method, a high-viscosity resin composition having a viscosity of 3000 mPa·s or more and 12000 mPa·s or less is used as the photo-curable resin composition. Alternatively, after a gap between the image display unit and the frame member is sealed with a sealing film, a photo-curable resin composition is interposed between the display-side panel and the protection member.
Owner:DEXERIALS CORP
Light emitting apparatus for medical applications
ActiveUS7355155B2Efficient deliveryHigh strengthPhotometry using reference valueRadiation pyrometryLight guideLight beam
A light emitting apparatus is disclosed for medical applications including photo-dynamic-therapy (PDT), photobiostimulation (photobiomodulation), photo-sterilization, and photo-curing. The light emitting apparatus comprises a plurality of semiconductor light emitting elements, preferably light emitting diodes (LEDs) to produce a high intensity light beam, and a liquid light guide for delivering the light beam from the light source to the treatment site.
Owner:BWT PROPERTY
Method for preparing zirconium oxide ceramic by 3D (Three Dimensional) printing based on photo-curing molding
InactiveCN106673646AHigh surface finishHigh precisionAdditive manufacturing apparatusSurface finishPolymer science
The invention belongs to the technical field of 3D (Three Dimensional) printing and particularly relates to a method for preparing zirconium oxide ceramic by 3D printing based on photo-curing molding. The invention provides a composition which is prepared from the following raw materials: ceramic powder, a pre-mixed solution, a photoinitiator and a dispersant. The invention further provides a preparation method for preparing the zirconium oxide ceramic by utilizing the composition; and the preparation method comprises the following steps: preparing slurry, molding, curing, drying, degreasing and sintering. According to the technical scheme provided by the invention, the molding efficiency is high, and ceramic particles are uniformly dispersed; a prepared blank body is not cracked or deformed, is dense and uniform and has good surface gloss finish, high precision and excellent blank body performances; and meanwhile, the method also has the advantage of high preparation efficiency. According to the technical scheme provided by the invention, the technical defects of a zirconium oxide ceramic molding method in the prior art that the dependence on a mold is too great and a complicated and precise structure cannot be prepared are overcome.
Owner:GUANGDONG UNIV OF TECH
System, method and portable controller for programming and calibration of a plurality of light source units for photo-reactive/curing applications
ActiveUS20120019171A1Mitigate and disadvantage of knownReduce disadvantagesElectrical apparatusElectric light circuit arrangementClosed loop feedbackEngineering
A system, method, and portable or mobile controller are provided for network management of functions such as monitoring, control, programming, and calibration of a plurality of (UV) light sources, for photo-reactive and photo-curing applications. Beneficially, a reliable and controlled closed-loop feedback network is provided in which a dose of light, or exposure profile, for e.g. spot curing, can be programmed into a light source unit to perform a highly repeatable operation across a single or multiple work stations. The system is scalable up to 1000's of workstations.
Owner:EXCELITAS CANADA
Photo-curing three-dimensional printing method and printing device based on projection
ActiveCN104669625AImprove efficiencyImprove optical power densityAdditive manufacturing apparatusControl systemLocal pattern
The invention provides a photo-curing three-dimensional printing method and printing device based on projection. The printing method comprises the following steps: a projection system scans, prints and cures layer by layer under the control of a control system; when each layer is printed, the whole pattern needing to be printed on each layer is completed by linearly moving a projection breadth obtained by the projection system in a horizontal plane, and the projection breadth horizontally and linearly moves according to a preset route; during moving, the control system obtains the coordinate position of an area projected by the projection breadth in real time and controls a local pattern, corresponding to the coordinate position, projected by the projection system, and the printing and curing of the local pattern are completed. The projection breadth obtained by the projection system linearly moves in a horizontal plane, namely mobile projection. The large-breadth photo-curing three-dimensional printing can be realized, the printing precision and high efficiency of a projector are ensured, and the printing precision of the whole product is improved.
Owner:SHANGHAI UNION TECH
Photo-curing monomer with ortho-phenolic hydroxyl structure, preparation method and bond thereof
InactiveCN101844993APhotopolymerization is fastPhotopolymerization environmental protectionOrganic compound preparationCarboxylic acid amides preparationDouble bondSolvent
The invention discloses a photo-curing monomer with ortho-phenolic hydroxyl strucutre, a preparation method and bond thereof. In the formula I monomer, the compound which has crylic acid at two ends or crylic acid double bond at one end and methylacrylic acid double bond at the other end is added to the amidogen of dopamine and derivant thereof through a Michael addition method to form corresponding secondary amine or tertiary amine. In the formula II monomer, the double bond is introduced by (methyl) acrylic anhydride, (methyl) crylic acid and (methyl) acryloyl chloride. The photopolymerization bond comprises the following components by weight percent: 20 to 99.9 percent of the compound with the ortho-phenolic hydroxyl structure, 0 to 70 percent of activated thinner and / or solvent, 0.1 to 10 percent of evocating agent and 0 to 60 percent of natural macromolecule or modified outcome thereof. The bond can be bonded in dry state and wet state, is a quick and long lasting bond, realizes the organic bond of biological bond and photopolymerization, has the advantages of low manufacture cost, simple and convenient operation and high productivity and has extensive application foreground in the biological bond field.
Owner:BEIJING UNIV OF CHEM TECH
Transparent anti-ultraviolet heat insulating compound film and method for preparing the same
InactiveCN101323191AGood heat insulationExcellent UV absorptionSynthetic resin layered productsPretreated surfacesSurface layerAdditive ingredient
The invention relates to a transparent anti-ultraviolet heat-proof complex film with nanometer oxide and a preparation method thereof, which mainly solves technical problems of high cost, poor quality and the like that existed in the transparent film and film technique of glass surface. Technical proposal of the invention is: the transparent anti-ultraviolet heat-proof complex film, of which, the understratum is the high transparent film or glass base material, and the surface layer is the nanometer transparent heat-proof function photo-cured coating or the nanometer transparent heat-proof function pressure-sensitive adhesive; wherein, the components and parts by weight of the nanometer transparent heat-proof function photo-cured coating or the nanometer transparent heat-proof function pressure-sensitive adhesive are as follows: photo-cured resin or pressure sensitive adhesive: 50-94, nanometer powder: 3-9, surface tension accessory ingredient: 0.2-1.0, thinner: 2.0-35.0, dispersant: 0.8-5.0. The heat-proof complex film of the invention possesses not only the excellent heat isolation performance, ultraviolet radiation absorption performance, but also excellent 'penetrability'. The heat-proof complex film can be extensively used for auto windows, building windows, glass curtain walls and other occasions.
Owner:金国华
Process for manufacturing intraocular lenses with blue light absorption characteristics
ActiveUS20050055090A1High refractive indexImprove clarityImpression capsPhotomechanical apparatusUltraviolet lightsRetina
A process for producing intraocular lenses (IOLs) capable of absorbing blue light and ultraviolet light using photo curing. Intraocular lenses so produced block blue light and ultraviolet light from reaching the retina of an eye implanted with the IOL. By blocking blue light and ultraviolet light from reaching the retina, the IOL thereby prevents potential damage to the retina.
Owner:BAUSCH & LOMB INC
Method for manufacturing image display device
ActiveUS7927533B2Minimize impactHigh quality imagingLamination ancillary operationsElectric discharge heatingDisplay deviceOptical transmittance
Owner:DEXERIALS CORP
Pattern transferring mold, pattern transferring apparatus and device manufacturing method using the same
One object of the present invention is to provide a pattern transferring mold which can provide a starting area of mold release easily and certainly and a pattern transferring apparatus with the same. A pattern transferring mold is disclosed which is used in a pattern transferring apparatus that brings the mold into contact with a photo-curing resin on a substrate and cures the photo-curing resin by light irradiation to transfer a pattern formed on the mold onto the photo-curing resin. The mold comprises a bottom face which contacts the photo-curing resin, the bottom face portion including a first area in which the pattern is formed and a second area formed outside the first area. The mold has a mold-releasing shape in the second area, the mold-releasing shape providing a starting area of mold release from the cured photo-curing resin.
Owner:CANON KK
Free radical- cation type ultraviolet photo-curing cementing agent and its preparation method
InactiveCN101007929AFast curingImprove performanceOrganic non-macromolecular adhesiveEpoxyUltraviolet lights
The invention discloses a free radical- cationic ultraviolet light curing adhesive agent and the preparing method. Said adhesive agent comprises diluting agent, light initiating agent and low-molecular polymer which contains free radical and cation. Said low molecular polymer is prepared with epoxy resin, acroleic acid, catalyst and inhibitor. The curing speed of ultraviolet light curing adhesive agent is high, the double- bond group of acrylate is cured in a short time after radiation by ultraviolet light to make the adhesive agent possess initial adhesive force, the epoxy group continues cross- linking and curing after ultraviolet light withdraw according to cation initiation principle, and the adhesive force is reinforced further to meet requiement for adhesive force by electronics and optical products. The invention is characterized by no solvent, simple operation, convenient connection process and suitability for batch production.
Owner:RESEARCH INSTITUTE OF TSINGHUA UNIVERSITY IN SHENZHEN +1
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