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47results about How to "Good water and oxygen barrier" patented technology
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Flexible OLED device and packaging method therefor
InactiveCN105977394AImprove bendabilityExtended service lifeSolid-state devicesSemiconductor/solid-state device manufacturingOptoelectronicsOxygen barrier
The invention provides a flexible OLED device and a packaging method therefor. The flexible OLED device comprises a flexible substrate and an organic light emitting layer, wherein the organic light emitting layer is positioned on the flexible substrate; a first barrier layer is deposited on the organic light emitting layer; the first barrier layer comprises a first inorganic thin film layer and a second inorganic thin film layer; a buffer layer is prepared on the first barrier layer; and a second barrier layer is deposited on the buffer layer. The flexible OLED device is provided with the first barrier layer, the second barrier layer and the buffer layer; the barrier thin film structure is optimized, so that the flexible OLED device has a good water-oxygen-barrier performance; meanwhile, the flexible OLED display is lighter and thinner, and better in bending performance; and in addition, the service life of the flexible OLED display is prolonged.
Owner:TRULY HUIZHOU SMART DISPLAY
Packaging process of flexible semiconductor film electronic device
ActiveCN103996629AEnhanced scatteringReduce transmittanceSemiconductor/solid-state device detailsSemiconductor/solid-state device manufacturingThin membraneComposite material
The invention discloses a packaging process of a flexible semiconductor film electronic device. The packaging process comprises a water and oxygen blocking layer preparation working procedure, wherein a water and oxygen blocking layer is formed by one or more water and oxygen blocking units in a stacking mode, each water and oxygen blocking unit comprises an organic blocking layer and an inorganic blocking layer, an uneven morphology structure is arranged on the surface of each organic blocking layer, and each inorganic blocking layer is arranged on the upper surface of the corresponding organic blocking layer. The uneven morphology structure on the surface of an organic film is a regular pattern or an irregular pattern. The uneven morphology structure on the surface of each organic blocking layer is formed in a photoetching mode or physical embossing mode or through particle addition. The uneven morphology structure of the surface of each organic blocking layer is of a rectangular structure or zigzag structure or arc structure. The flexible semiconductor film electronic device is simple in manufacturing process and high in water and oxygen blocking performance, and the device can be kept to be thin while the good water and oxygen isolation performance of the device can be achieved.
Owner:GUANG ZHOU NEW VISION OPTO ELECTRONICS TECH
Display device, backlight module, quantum dot optical diaphragm and preparation method thereof
InactiveCN105425463ARepair scratchesEliminate failure areasNon-linear opticsPolyethylene terephthalateDisplay device
The invention discloses a display device, a backlight module, a quantum dot optical diaphragm and a preparation method thereof. The quantum dot optical diaphragm comprises a quantum dot layer, a first composite water oxygen barrier layer which covers the surface of the light inlet side of the quantum dot layer and a second composite water oxygen barrier layer which covers the surface of the light outlet side of the quantum dot layer; the first composite water oxygen barrier layer and the second composite water oxygen barrier layer are each selected from one or a combination of any two of a first film structure, a second film structure and a third film structure, wherein the first film structure is the composite water oxygen barrier layer which is composed of polyethylene terephthalate (PET) and graphene, the second film structure is a graphene layer, and the third film structure is the water oxygen barrier layer which is composed of PET and aluminum oxide. Compared with the prior art, the water oxygen barrier property, the photopermeability and the structural stability of the quantum dot optical diaphragm are obviously improved.
Owner:HISENSE VISUAL TECH CO LTD
Quantum dot material, preparation method, quantum dot film, backlight module and display device
ActiveCN106432566AReduce dosageImprove luminous efficiencyLuminescent compositionsNon-linear opticsSupercritical dryingFreeze-drying
The invention discloses a quantum dot material, a preparation method, a quantum dot film, a backlight module and a display device, and belongs to the technical field of liquid crystal display. The preparation method of the quantum dot material includes the steps of a, evenly mixing silicate ester, organic solvent, silane coupling agent, polymer monomer, initiator and water, wherein the polymer monomer is a monomer for preparing a transparent flexible polymer, and the initiator is an initiator for initiating the polymerization reaction of the polymer monomer; b, adding quantum dots into a system obtained in the step a to be evenly mixed; c, making the system obtained in the step b react for a preset period of time at preset temperature to form wet gel; d, converting the wet gel obtained in the step c into aerogel through a supercritical drying method or a freeze-drying method to obtain the quantum dot material. The quantum dots are loaded on a three-dimensional network structure of silicon dioxide / organic polymer hybridized aerogel, the overlapping rate of the quantum dots is decreased, the light-emitting efficiency of the quantum dot film is improved, and meanwhile the water-oxygen insulation performance is improved.
Owner:HISENSE VISUAL TECH CO LTD
Electroluminescent device
InactiveCN101471425AGood water and oxygen barrier propertiesReduce thicknessOther chemical processesSolid-state devicesDrying AgentsNitrogen gas
An electroluminescent device comprises a light emitting function layer and a package layer, wherein the function layer includes a substrate, an organic material layer and a cathode layer between the substrate and the organic material layer; the package layer includes a polymer layer contacting with the cathode layer, and a ceramic layer; and the polymer layer contains polymer and a drying agent. By adopting the polymer layer containing the drying agent and the polymer, the electroluminescent device has good water-oxygen barrier property, reduced thickness, improved heat dissipation performance, prolonged service life and improved market value. In addition, a protective cover is added to form a sealed space filled with the mixture of nitrogen and hydrogen together with the substrate according to the preferred embodiment, so as to further improve the heat dissipation performance, the water-oxygen barrier property and the service life of the device.
Owner:BYD CO LTD
Manufacturing process of quantum dot diffusion plate, and diffusion plate
ActiveCN107011532AEffective stimulationImprove color gamutDiffusing elementsCoatingsDiffusionLight guide
The invention provides a manufacturing process of a quantum dot diffusion plate, and the diffusion plate. According to the manufacturing process of the quantum dot diffusion plate, PMMA is prepared by adding a quantum dot diffusant into MMA. The diffusion plate comprises a plate body and a water oxygen barrier layer; the outer surface of the plate body is coated with the water oxygen barrier layer; quantum dots and light diffusion agents are dispersed in the plate body uniformly.
Owner:厦门市京骏科技有限公司
Composite barrier film with water and oxygen barrier function and preparation method thereof
ActiveCN108467504AGood water and oxygen barrierImprove stabilityVacuum evaporation coatingSputtering coatingAcrylic resinFilm base
The invention discloses a composite barrier film with a water and oxygen barrier function and a preparation method thereof. The composite barrier film comprises a first organic silicon / inorganic silicon hybrid barrier coating, an inorganic plating layer, a second organic silicon / inorganic silicon hybrid barrier coating and a film base material which are sequentially stacked, wherein the first organic silicon / inorganic silicon hybrid barrier coating and the second organic silicon / inorganic silicon hybrid barrier coating are prepared from, by weight, 30-70 parts of multifunctional cage type polysilsesquioxane, 25-65 parts of organic silicon resin, 0-15 parts of organic silicon-modified (methyl) acrylic resin, 0.2-5 parts of photoinitiator and 5-15 parts of auxiliaries. The composite barrierfilm has the excellent water steam and oxygen barrier effect and the good bending resistance, the thickness is small, the number of layers is small, the prepared composite barrier film is short in production time and low in cost, and the coating barrier function stability and reliability are high.
Owner:DONGGUAN POWERBOND NEW MATERIALS TECH DEV
Composite barrier structure having self-restoration capability
ActiveCN105280837APlay a water and oxygen barrier effectGood water and oxygen barrierSolid-state devicesSemiconductor/solid-state device manufacturingStructural engineeringOxygen barrier
The invention discloses a composite barrier structure having the self-restoration capability. The composite obstruction structure has a plurality of functional structure layers, and includes a basic Al2O3 layer, a middle aluminium layer, a middle Al2O3 layer, and an external compact structure layer that are successively superposed on a substrate, the basic Al2O3 layer forms a first barrier layer, the external compact structure layer can obstruct water and oxygen molecules to pass through, the middle Al2O3 layer and the external compact structure layer form a second barrier layer together, a pure aluminium layer is a repairing agent layer which supplies Al atoms when the superposed basic Al2O3 layer and middle Al2O3 layer have slit defects, and the Al atoms spontaneously oxidate at the defect parts to form Al2O3 to fill the corresponding defects. The composite barrier structure having the self-restoration capability has an excellent water and oxygen barrier property, an excellent repeated bending property, and the self-restoration capability after the defects are formed, and has wide application prospects on the improvement of the water and oxygen barrier property and the bending property of a flexible substrate.
Owner:SHANGHAI UNIV
Display panel and manufacturing method thereof
ActiveCN110993819AEnabling Hybrid PackagingGood water and oxygen barrierSolid-state devicesSemiconductor/solid-state device manufacturingThin membraneOxygen barrier
The invention discloses a display panel and a manufacturing method thereof. The display panel comprises a substrate, a light-emitting function layer arranged on the substrate, a thin film packaging layer arranged on the substrate and the light-emitting function layer and covering the light-emitting function layer, a drying layer located on the substrate and arranged around the thin film packaginglayer, a packaging cover plate arranged on the drying layer and the thin film packaging layer, and a curing adhesive layer for fixing the substrate and the packaging cover plate. An annular groove surrounding the drying layer is formed between the drying layer and the curing adhesive layer, and a packaging adhesive layer is arranged in the annular groove. By means of the structural form of the packaging cover plate and the glass cement, at the same time, by combining the thin film packaging layer, the drying layer and the curing adhesive layer, the mixed packaging of the light-emitting functional layer is achieved, the good water-oxygen barrier property can be guaranteed, and the good packaging strength is achieved. In addition, through the manufacturing method of forming the packaging adhesive layer between the drying layer and the curing adhesive layer, the size of a channel through which the water vapor enters the display panel can be effectively controlled, and the method can adaptto the packaging of OLED display panels of different sizes.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
Thin film package structure of display panel and fabrication method of thin film package structure
ActiveCN105870352AImprove uniformity of light emissionImprove flexibilitySolid-state devicesSemiconductor/solid-state device manufacturingComputer scienceMesh grid
The invention provides a thin film package structure of a display panel and a fabrication method of the thin film package structure. The thin film package structure comprises a metal / inorganic passivation layer, a buffer layer and a second passivation layer which are sequentially arranged on a top electrode of a luminous device, wherein the metal / inorganic passivation layer comprises a metal sealing mesh and a plurality of independent inorganic passivation units, the plurality of independent inorganic passivation units are arranged in the metal sealing mesh, the inorganic passivation units completely cover a luminous region of the luminous device, and the metal sealing mesh is arranged on the surface of the top electrode on which the inorganic passivation units are not covered.
Owner:GUANGDONG JUHUA PRINTING DISPLAY TECH CO LTD
Polymerization process of quantum dot doped PMMA (Polymethyl Methacrylate) body, light guide plate manufacturing process and light guide plate
ActiveCN106883332AReduce thicknessGood photostability and thermal stabilityLight guides with fluorescent dopantsCoatingsSolventMethyl methacrylate
The invention provides a polymerization process of a quantum dot doped PMMA (Polymethyl Methacrylate) body, a light guide plate manufacturing process and a light guide plate. PMMA with high stability and high light transmittance is used as a carrier, and red and green quantum dots with different ratios and concentrations are adjusted; after the PMMA is dissolved into less solvent, a mixture is chemically dispersed into methyl methacrylate (MMA); finally, uniform doping of the quantum dots in the PMMA is realized in a body polymerization manner. The doped PMMA is poured and molded, and then the PMMA is pressed into a quantum dot light guide plate with a water and oxygen obstructing capability through a layer-by-layer assembling process. According to the method provided by the invention, the quantum dots are uniformly doped into the light guide plate in a molding process of a light guide plate material, so that the quantum dots and the light guide plate are fused. The packaging problem of the quantum dots in a backlight module is solved; meanwhile, the stability and light transmittance of the quantum dots are improved.
Owner:厦门市京骏科技有限公司
Mildew-proof and fresh-keeping coated paper and processing method thereof
InactiveCN108316052AImprove bindingDelay oxidative deteriorationPaper coatingPaper/cardboardCyclodextrinOxygen
The invention discloses mildew-proof and fresh-keeping coated paper and a processing method thereof. The mildew-proof and fresh-keeping coated paper is prepared from a mildew-proof and fresh-keeping coated paper raw paper layer and a blocking mildew-proof coating formed on the raw paper layer, wherein the blocking mildew-proof coating is prepared from the following components in parts by weight: 50 to 60 parts of polyvinylidene chloride emulsion, 10 to 20 parts of an ethylene-vinyl acetate copolymer emulsion, 1 to 5 parts of isocyanate, 5 to 20 parts of a micro-encapsulated mildew preventive,0.5 to 2 parts of emulsifying agent and 0.05 to 0.5 part of de-foaming agent; a capsule membrane material of the micro-encapsulated mildew preventive is cyclodextrin or chitosan; a capsule core of themicro-encapsulated mildew preventive is selected from at least one of an organic mildew preventive and an inorganic mildew preventive. The mildew preventive in the mildew-proof coating of the mildew-proof and fresh-keeping coated paper is subjected to micro-encapsulation treatment and the mildew preventive is covered with a bag film, so that the slow release and mildew prevention effects are realized and the mildew-proof and fresh-keeping coated paper can keep antibacterial and mildew-proof effects for a long time; the mildew-proof and fresh-keeping coating has good water-oxygen stopping performance and can keep moisture in packages constant.
Owner:CHANGDE JINDE NEW MATERIAL TECH CO LTD
Organosilicone/inorganic silicon hybridization blocking coating composition and preparation method and application thereof
ActiveCN108410351AGood water and oxygen barrierEnhanced interface bindingCoatingsAcrylic resinOxygen
The invention discloses an organosilicone / inorganic silicon hybridization blocking coating composition and a preparation method and an application thereof. The organosilicone / inorganic silicon hybridization blocking coating composition comprises the following components according to the parts by weight: 30-70 parts of multi-functional cage-type polysilsesquioxane, 25-65 parts of an organic siliconresin, 0-15 parts of an organosilicone-modified (methyl) acrylic resin, 0.2-5 parts of a photoinitiator, and 5-15 parts of an assistant. The organosilicone / inorganic silicon hybridization blocking coating composition has the higher water-oxygen blocking property to a common organic layer material, excellent resistance to yellowing, good glossiness, and better interface bonding force with an inorganic layer, so that a blocking layer can achieve the water-oxygen blocking property of a common multi-layer blocking layer material under the condition of reducing the number of layers to three layers. The blocking coating can be used for greatly reducing the production time and cost of a plastic base material blocking layer, and improving the reliability of the blocking layer.
Owner:DONGGUAN POWERBOND NEW MATERIALS TECH DEV
Encapsulating material, organic barrier cured product and quantum dot device
The invention discloses an encapsulating material, an organic barrier cured product and a quantum dot device. When the encapsulating material is used for encapsulating the quantum dot device, the formed organic barrier cured product can have a good water-oxygen barrier function, so that the service life of the quantum dot device is prolonged. The encapsulating material is prepared from cyclic organosilicone modified epoxy resin, a curing agent and other auxiliaries. Multiple epoxy groups exist on each molecule of the cyclic organosilicone modified epoxy resin and are distributed symmetrically,and good hardness and barrier performance of the encapsulating material can be guaranteed; the cyclic organosilicone modified epoxy resin is low in curing shrinkage, and has better adhesive force onan electric device support when applied to an electric device; a main chain of the cyclic organosilicone modified epoxy resin is cyclic organosilicone, no unsaturated double bond exists on the main chain, and the resistance to yellowing of the cyclic organosilicone modified epoxy resin is good; the cyclic organosilicone modified epoxy resin is has better compatibility with epoxy monomers and can be cured by adopting multiple modes.
Owner:NANJING TECH CORP LTD
CPI film with water-oxygen barrier property and preparation method thereof
ActiveCN113036063AGood water and oxygen barrierAvoid yellowingSolid-state devicesSemiconductor/solid-state device manufacturingPhysical chemistryThin membrane
The invention provides a preparation method of a CPI film with water-oxygen barrier property. The method comprises the following steps: coating a coating liquid containing metal alkoxide on the surface of a CPI base film, and forming an inorganic oxide layer on the surface of the CPI base film after heat-moisture treatment to obtain the CPI film. According to the CPI thin film with the water and oxygen barrier property and the preparation method thereof, the inorganic oxide layer is formed on the surface of the CPI base film in a coating mode and the like, water / oxygen barrier can be efficiently carried out, and large-area and continuous production is achieved.
Owner:浙江中科玖源新材料有限公司
High-barrier transparent flexible display material and preparation method thereof
ActiveCN108997753AHigh transparencyGood in-plane isotropyCoatingsIdentification meansPolymer scienceIn situ polymerization
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI
Organic light-emitting device and preparation method thereof
InactiveCN104518165AAvoid erosionExtended service lifeSolid-state devicesSemiconductor/solid-state device manufacturingOrganic light emitting deviceOrganic electroluminescence
The invention aims to provide an organic light-emitting device with a packaging layer structure. The packaging layer is composed of silicon oxycarbide barrier layers and inorganic barrier layers which are alternately stacked, wherein the silicon oxycarbide barrier layers are made of silicon oxycarbide, and the inorganic barrier layers are made of B2O3, Al2O3, Ga2O3, In2O3 or Tl2O3. The packaging layer can effectively prevent the erosion of external water, oxygen and other active substances to the organic light-emitting device and prolong the service life of the organic light-emitting device. The invention further provides a preparation method of the organic light-emitting device. The preparation method has the advantages of simple process, cheap raw materials and easy realization of large-area preparation.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +2
Water-oxygen blocking film and packaging technology for flexible film electronic device
ActiveCN104362129AGood water and oxygen barrierImprove water and oxygen barrier performanceSemiconductor/solid-state device detailsSolid-state devicesComposite filmThin membrane
The invention relates to a water-oxygen blocking film for a flexible film electronic device and a technology for adopting the water-oxygen blocking film as an electronic device package. The water-oxygen blocking film is a laminated film formed by staggered lamination of multiple blocking layers used for blocking water and oxygen molecules and multiple absorbing layers used for decoupling the structure and absorbing the water and oxygen molecules, and the blocking layers and the absorbing layers are all inorganic films; the composite film comprises a bottommost layer in contact with the device, a topmost layer in contact with the atmosphere and intermediate layers arranged between the bottommost layer and the topmost layer, both the bottommost layer and the topmost layer are the blocking layers, and any two adjacent layers forming the composite film are one blocking layer and one absorbing layer respectively. The blocking layers are at least one kind of SiO2 films, Si3N4 films, SiON films and Al2O3 films. The absorbing layers are metal oxide films or nitride films with amorphous structures. The water-oxygen blocking film is simple in structure and can obtain good water-oxygen blocking performance under the condition of thinness.
Owner:GUANG ZHOU NEW VISION OPTO ELECTRONICS TECH
Organic electroluminescent device and preparation method thereof
InactiveCN104518095AAvoid erosionExtended service lifeSolid-state devicesSemiconductor/solid-state device manufacturingPhenanthrolineHafnium
The invention provides an organic electroluminescent device with the structure of a packaging layer. The packaging layer comprises an organic barrier layer and an inorganic barrier layer which are alternatively stacked. The material of the organic barrier layer is one from copper phthalocyanine, N,N'-diphenyl-N,N'-di(1-naphthyl)-1,1'-biphenyl-4,4'-diamine, (8-hydroxyquinoline)aluminum, 4,4',4''-tris(N-3-methylphenyl-N-phenylamino)triphenylamine, and 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline; and the material of the inorganic barrier layer is a mixture formed by mixing one from a titanium simple substance , a zirconium simple substance and a hafnium simple substance with one from zinc oxide, aluminum oxide and indium oxide according to a mass ratio of 1:9 to 3:7. According to the invention, the organic electroluminescent device can be effectively prevented from being corroded by active substances such as external water, oxygen and the like, and the service life of the organic electroluminescent device can be prolonged. The invention further provides a preparation method of an organic electroluminescent device. The preparation method is simple in process and low in raw material price, and can be easily prepared in a large area.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +2
Quantum dot material and preparation method thereof, quantum dot film, backlight module and display equipment
PendingCN112965295AImprove the uniformity of white light distributionImprove protectionNon-linear opticsLiquid-crystal displayQuantum dot
The invention relates to a quantum dot material and a preparation method thereof, a quantum dot film, a backlight module and display equipment, which belong to the technical field of liquid crystal display. The preparation method of the quantum dot material comprises the following steps of carrying out oxide coating on quantum dots by adopting a reversed-phase microemulsion method to obtain quantum dot / oxide particles, and carrying out polymer wrapping on the quantum dot / oxide particles by adopting a dispersion polymerization method to obtain the quantum dot material. The quantum dots are coated with oxides and polymers by adopting a reversed-phase microemulsion method and a dispersion polymerization method, and the surfaces of the quantum dots can be tightly coated with the oxides by adopting the reversed-phase microemulsion method, so that the quantum dot / oxide particles are good in morphology structure and particle size uniformity and good in water and oxygen barrier property. And on the basis, the polymer is coated, so that the polymer has good coating property, the scattering effect intensity of light is uniformly distributed, and the obtained quantum dot / oxide / polymer particles have better water and oxygen barrier property.
Owner:合肥福纳科技有限公司
Organic electroluminescent device and preparation method thereof
InactiveCN104882548AFacilitate flexible packagingEnable flexible packagingSolid-state devicesSemiconductor/solid-state device manufacturingTitanium nitrideBoron nitride
The invention discloses an organic electroluminescent device which comprises the components of an anode conductive substrate, an organic light emitting functional layer, a cathode and a packaging layer; wherein the organic light emitting functional layer, the cathode and the packaging layer are successively laminated on the anode conductive substrate. The packaging layer comprises a first inorganic barrier layer and a second inorganic barrier layer which are successively laminated on the surface of the cathode. The first inorganic barrier layer is made of bromine-doped titanium oxide, bromine-doped zirconia, iodine-doped titanium oxide, iodine-doped zirconia or iodine-doped hafnium oxide. The second inorganic barrier layer is made of silicon oxide, alumina, titanium oxide, zirconia, hafnium oxide, tantalum oxide, silicon nitride, aluminum nitride, boron nitride, vanadium nitride, tantalum nitride or titanium nitride. The packaging layer of the invention has high compactness, thereby prolonging service life of the organic electroluminescent device, particularly a flexible organic electroluminescent device. The invention further provides a preparation method for the organic electroluminescent device.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +2
Flexible display substrate material and preparation method thereof
The invention provides a flexible display substrate material and a preparation method thereof. The preparation method of the flexible display substrate material provided by the invention comprises thefollowing steps: a) carrying out a polymerization reaction on aromatic dianhydride, aromatic amine and inorganic nanoparticles in a solvent so as to obtain a reaction solution; b) carrying out an endcapping reaction on the reaction solution and amino siloxane so as to obtain polyamide acid slurry; c) performing heat treatment on the polyamide acid slurry, thereby obtaining the flexible display substrate material. The preparation method provided by the invention can achieve the effects of obviously improving the toughness of the material, improving the heat resistance, reducing the thermal expansion coefficient and producing excellent water oxygen barrier property, and the flexible display substrate material with excellent comprehensive performance can be obtained.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI
Quantum dot material and preparation method, quantum dot film, backlight module, display device
ActiveCN106432566BAvoid reunionReduce overlapLuminescent compositionsNon-linear opticsSupercritical dryingFreeze-drying
Owner:HISENSE VISUAL TECH CO LTD
Composite barrier structure with self-healing ability
ActiveCN105280837BWith water and oxygen barrier effectPlay a water and oxygen barrier effectSolid-state devicesSemiconductor/solid-state device manufacturingOxygen barrierSelf repair
The invention discloses a composite barrier structure with self-healing ability, which has a plurality of functional structural layers, including a base Al2O3 layer, a middle aluminum layer, a middle Al2O3 layer and an outer dense structure layer, and a basic Al2O3 layer on a substrate. Constitute the first barrier layer, the outer dense structure layer can block the penetration of water and oxygen molecules, the middle Al2O3 layer and the outer dense structure layer together form the second barrier layer, the pure aluminum layer is used as a repair agent layer, and can be used on the superimposed base Al2O3 layer Al atoms are provided when there are gap defects in the Al2O3 layer and the middle part, and Al2O3 is spontaneously oxidized at the defect to fill the corresponding defect. The multi-layer composite structure of the composite water-oxygen barrier layer of the present invention not only has excellent water-oxygen barrier properties, but also has good repeated bending performance and self-repairing ability after defect formation. It has broad application prospects in terms of promotion.
Owner:SHANGHAI UNIV
High-barrier environment-friendly degradable coffee capsule cover film and preparation method thereof
ActiveCN111907178AReduce pollutionGood water and oxygen barrierWrappersNon-macromolecular adhesive additivesPolymer sciencePolyvinyl alcohol
The invention relates to the field of packaging materials, in particular to a high-barrier environment-friendly degradable coffee capsule cover film and a preparation method thereof, and solves the problems that a traditional coffee capsule cover film cannot be degraded and causes serious environmental pollution. The high-barrier environment-friendly degradable coffee capsule cover film comprisesa non-woven fabric layer, an adhesive layer arranged on the non-woven fabric layer, a paper base layer arranged on the adhesive layer and a water-based barrier layer arranged on the paper base layer from bottom to top. The non-woven fabric layer is made of polylactic acid non-woven fabric. The adhesive layer is made of a water-based adhesive, and the water-based adhesive is a polyvinyl acetate adhesive; the paper base layer is made of kraft paper; the water-based barrier layer is made of a water-based barrier coating, and the water-based barrier coating is a polyvinyl alcohol coating. The high-barrier environment-friendly degradable coffee capsule cover film has the advantages of being environmentally friendly, degradable and high in water and oxygen barrier property.
Owner:周锐
Substrate of organic electroluminescence device and production method thereof
InactiveCN103107291AImprove luminous performanceEasy to prepareSolid-state devicesSemiconductor/solid-state device manufacturingHeat resistanceOptoelectronics
A substrate of an organic electroluminescence device comprises a metal substrate and a leveling layer covered on the metal substrate. The leveling layer is a zinc oxide thin film. The substrate of the organic electroluminescence device is a metal substrate, and the leveling layer made of zinc oxide is formed on the metal substrate so that roughness of the substrate is low. The metal substrate is low in cost and water oxygen barrier property is good. The leveling layer made of zinc oxide has good heat resistance, surface evenness of the substrate cannot be damaged by high temperature during a subsequent production process of the organic electroluminescence device, and pinholes and sharp splinters are not prone to be generated so that the organic electroluminescence device with the substrate can have a good luminescent effect. The invention further provides a production method for the substrate of the organic electroluminescence device.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1
Silver nanowire conductive film and preparation method thereof
ActiveCN110718334AGood water and oxygen barrierGood weather resistanceConductive layers on insulating-supportsApparatus for manufacturing conducting/semi-conducting layersWeather resistancePolysilazane
The invention belongs to the technical field of nano materials, and particularly relates to a silver nanowire conductive film and a preparation method thereof. The preparation method of the silver nanowire conductive film comprises the following steps: providing a substrate; coating the substrate with silver nanowire ink, and drying the silver nanowire ink to obtain an initial silver nanowire film; and coating the surface of the initial silver nanowire film with a polysilazane solution, and curing the solution to obtain a silver nanowire conductive film. The polysilazane cured layer formed bycuring the polysilazane solution is used as a protective layer and has high transparency, high hardness, good dielectric property and excellent water-oxygen barrier property, so that the weather resistance of the silver nanowire conductive film is improved.
Owner:深圳市善柔科技有限公司
High-barrier-performance transparent and flexible display material and preparation method thereof
ActiveCN109320718AChange surface propertiesImprove water and oxygen barrier performancePolymer scienceIn situ polymerization
The invention provides a high-barrier-performance transparent and flexible display base plate material and a preparation method thereof. The preparation method provided by the invention is characterized in that firstly, a cationic two-dimensional layered material and an organic intercalation agent are subjected to heating reaction in a solvent; then, peeling treatment is performed in the solvent;next, the mixture is mixed with polyimide polymerization monomers, and is subjected to in situ polymerization reaction; finally, heat treatment is performed; the flexible display base plate material is obtained. The material prepared by the preparation method provided by the invention has high water oxygen barrier performance, excellent heat stability, low heat expansion coefficient, high transparency and the like, and belongs to a flexible material with excellent comprehensive performance.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI
Silver nanowire conductive film and preparation method thereof
ActiveCN110718334BGood water and oxygen barrierGood weather resistanceConductive layers on insulating-supportsApparatus for manufacturing conducting/semi-conducting layersWeather resistancePolysilazane
The invention belongs to the technical field of nanometer materials, and in particular relates to a silver nanowire conductive film and a preparation method thereof. The preparation method of the silver nanowire conductive film comprises the following steps: providing a substrate; coating silver nanowire ink on the substrate, and then performing drying treatment to obtain an initial silver nanowire film; The polysilazane solution is coated, and then cured to obtain a silver nanowire conductive film. The polysilazane cured layer formed by curing the polysilazane solution is used as a protective layer, which has high transparency, high hardness, good dielectric properties and excellent water and oxygen barrier properties, thereby improving the weather resistance of the silver nanowire conductive film .
Owner:深圳市善柔科技有限公司
A kind of high-barrier transparent flexible display material and preparation method thereof
ActiveCN108997753BHigh transparencyGood in-plane isotropyCoatingsIdentification meansThermal dilatationPolymer science
The invention provides a high-barrier transparent flexible display substrate material and a preparation method thereof. In the preparation method provided by the invention, the anionic two-dimensional layered material and the organic intercalation agent are heated and reacted in a solvent, and then peeled off in the solvent, and then mixed with the polymerized monomer of polyimide and polymerized in situ reaction, and finally heat treatment to obtain a flexible display substrate material. The material obtained according to the preparation method of the present invention has high water and oxygen barrier properties, excellent thermal stability, low thermal expansion coefficient, high transparency, etc., and is a flexible material with excellent comprehensive properties.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI
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