Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
38results about How to "Easy to prepare and effective" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Strong-hydrophobic porous carbon nanofiber and preparation method thereof
ActiveCN103422194AEasy to prepare and effectiveLow surface oxygen contentMonocomponent synthetic polymer artificial filamentArtifical filament manufactureFiberCarbon fibers
The invention relates to strong-hydrophobic porous carbon nanofiber and a preparation method thereof, and belongs to the technical field of porous carbon fiber. The preparation method comprises the following steps: adding thermosetting phenol resin and high molecular weight linear polymers into organic solvent with two proportions to be mixed until the thermosetting phenol resin and the high molecular weight linear polymers are fully dissolved, performing electrostatic spinning on the solution to form phenolic resin fiber, and carrying out curing and carbonizing to obtain the hydrophobic porous carbon nanofiber. The porous carbon nanofiber and the preparation method have the advantages as follows: the diameter, the pore structure and the hydrophobicity of the fiber can be adjusted and controlled through the change of the proportions of the solvent, the prepared carbon nanofiber has good flexibility, a developed pore structure and strong hydrophobicity, and is more conductive to practical application.
Owner:TSINGHUA UNIV
Method for preparing tungsten/copper functional gradient material by infiltration - weld method
InactiveCN1593818AEasy to prepare and effectiveSolve thermal stressMetal layered productsFritGradient material
The invention relates to a new method of making tungsten-copper functional gradient material, which consists of pure tungsten layer and tungsten-copper gradient transit layer. First, make the gradient hole-framework with boring fluid of percent 5~80 volume ratio and tungsten powder of 1~20 micron. Infiltrate copper fluid to make the tungsten-copper gradient transit layer. Weld the W / Cu gradient layer and the pure tungsten by hot pressure. The process is following: mix the material and mould them, then frit framework, Infiltrate copper, weld and check. The method has both the advantage of melt-casting technique and jointing technique. The tungsten-copper functional gradient material made by this method is better heatproof and suited to electric sealing material, heat sinking material, and anti-high temperature plasma scouring unit such as the first layer material in nuclear fusion.
Owner:UNIV OF SCI & TECH BEIJING
Preparation method of conductive polymer polyanilinc nano fiber
InactiveCN1323199CEasy to getEasy to manufactureMonocomponent synthetic polymer artificial filamentFiberSolubility
The invention relates to a conduction macromolecule polyaniline nanometer fiber manufacturing method. It includes the following steps: respectively dissolving aniline and oxidant in acid with water medium; mixing them with action of ultrasonic wave, and controlling temperature at-5 to 30 centigrade degree to do aniline polyreaction; gaining doping state polyaniline nanometer fiber when it finishes; removing the water and solubility impurity; drying; using ammonia liquor to neutralize the doping state; filtering; washing; drying; gaining eigenstate polyaniline nanometer fiber; processing it by dopant to gain conduct state; drying to gain powdery purpose. The invention adopts ultrasonic wave in polyreaction to gain polyaniline fiber with 20-100nm diameter, 500-5000nm length. The method has simple operation, and high yield.
Owner:XI AN JIAOTONG UNIV
Supramolecular polymer material constructed by doubly bridging sulfonated calixarenes and preparation thereof
The invention relates to a supramolecular polymer material constructed by doubly bridging sulfonated calixarenes. The chemical formula of a repetitive unit is C88H78N4O34S8, which is formed by dual-ethyl bridging sulfonated calix [4] arene (bisSC4A*8Na+) and diethylene three ether oxygen chain bridging methyl viologen (bisMV4+*4I-), wherein the bisSC4A is taken as a large ring host body, the bisMV4+ is taken as a guest body, and the supramolecular polymer with a host-guest inclusion structure is constructed through host-guest bonding. The invention has the advantages that the polymer material can be prepared by utilizing strong bonding of sulfonated calixarenes to the viologen guest body through a simple and convenient solution mixing method; and the method has the advantages of simplicity in operation and high productivity, is a convenient and effective method for preparing the polymer material and can detect the formation of supramolecular polymer through fluorescence, can effectively improve the water solubility and viscosity of calixarene class supramolecular polymer at the same time, and has a broad application prospect in the field of materials.
Owner:NANKAI UNIV
Preparation method of single crystalline silicon solar cell with back polished structure
InactiveCN103746044AEasy to prepare and effectiveImprove photoelectric conversion efficiencyFinal product manufacturePhotovoltaic energy generationHigh concentrationCrystalline silicon
The invention discloses a preparation method of a single crystalline silicon solar cell with a back polished structure. The preparation method comprises the following steps of: polishing a silicon wafer with a high-concentration alkaline solution, forming a polishing structure on the front and the back of the silicon wafer, forming a mask layer on the back of the silicon wafer, texturing the silicon wafer with a low-concentration alkaline solution, under the protection of the mask, forming a pyramid textured structure on the front of the silicon wafer, cleaning the silicon wafer before diffusion, removing the mask, retaining the polished structure on the back of the silicon wafer, performing phosphorus diffusion on the silicon wafer surface to form an N+ layer, and preparing electrodes. The method can be used to simply, conveniently and effectively prepare the single crystalline silicon solar cell with the back polished structure, and further improves the photoelectric conversion efficiency of the solar cell.
Owner:北京飞行博达电子有限公司
Chinese medicinal preparation for treating osteoporosis
InactiveCN102935145AEffective treatmentReasonable formulaSkeletal disorderPlant ingredientsSide effectMyrrh
The invention discloses a Chinese medicinal preparation for treating osteoporosis. The preparation is prepared from the following raw materials by weight: 9 grams of achyranthes bidentata, 15 grams of poria cocos, 10 grams of bighead atractylodes rhizome, 10 grams of psoralea, 12 grams of eucommia bark, 12 grams of Chinese angelica, 12 grams of Szechuan lovage rhizome, 10 grams of astragalus root, 10 grams of cassia bark, 10 grams of myrrh, 10 grams of epimedium, 10 grams of angelica pubescens, 10 grams of medlar, 6 grams of earthworm, and 6 grams of licorice. The Chinese medicinal preparation for treating the osteoporosis is reasonable in formula, has the effects of tonifying kidney, strengthening bone, nourishing qi to invigorate spleen and promoting blood circulation to nourish qi, is convenient to prepare, exact in treatment effect and quick in response, and does not have toxic or side effect.
Owner:戴景存 +2
Method for producing polylactic acid and a highly conductive polymer, and apparatus for producing highly conductive polylactic acid polymer
InactiveCN102712745AEasy to manufactureFew facilitiesChemical/physical/physico-chemical stationary reactorsEnergy based chemical/physical/physico-chemical processesAcetic acidConductive polymer
The present invention relates to a method for producing polylactic acid, and more particularly, to a method for producing polylactic acid, which can increase production yield and reduce costs, and which can more conveniently produce a high molecular weight polylactic acid according to the use thereof. Also, the present invention relates to a method for producing a highly conductive polylactic acid polymer, which is economical in terms of time and cost as a highly conductive polylactic acid can be efficiently produced, and to an apparatus for producing the highly conductive polylactic acid polymer. According to the present invention, the method for producing the highly conductive polylactic acid comprises: a step S1 of adding and mixing 100 parts by weight of polylactic acid, 10 to 20 parts by weight of lactide, and 5 to 10 parts by weight of polyglycolic acid in a reaction vessel; a step S2 of adding 5 to 10 parts by weight of serine and 0.1 to 1 part by weight of dodecyl alcohol into the reaction vessel, and then feeding inert gas therein and irradiating same with electromagnetic waves; and a step S3 of adding 0.1 to 1 part by weight of acetic acid selenium into the reaction vessel, and then mixing.
Owner:POLY ENERGY
Phosphorous acid titanium with three-dimensional open-framework structure and preparation method thereof
InactiveCN103395800AEasy to prepare and effectiveImprove thermal stabilityPhosphorous acidMolecular-sieve and base-exchange phosphatesPhosphoric acidStrong acids
The invention provides phosphorous acid titanium with a three-dimensional open-framework structure and a preparation method thereof and belongs to the technical field of phosphorous acid titanium with a three-dimensional open-framework structure. The preparation method is characterized in that an open-framework crystal compound of the phosphorous acid titanium without an organic template is synthesized by adopting a strong acid method in a hydrothermal system, the morphology of a product is regulated and controlled by adjusting the quantities of phosphorous acid and hydrofluoric acid in reaction gel, and the phosphorous acid titanium compounds with the three-dimensional open-framework structure, which have the identical structure and are different in morphologies, are synthesized. The phosphorous acid titanium compound does not contain an organic template agent. Compared with other metal phosphorous acid salts, the phosphorous acid titanium compound has relatively good heat stability, thus favorable conditions are provided for the research of the property of the phosphorous acid titanium compound. The photovoltage research shows that the compound has the property of a p-type conductor. The invention has the beneficial effects of providing a simple, convenient and effective method for preparing the phosphorous acid titanium crystal material with the open-framework structure.
Owner:JILIN UNIV
Coagulant and method for preparing bean products by same
InactiveCN102550701AImprove water holding capacityNo residual odorCheese manufactureFood scienceCitric acidStandardization
The invention provides a bean product coagulant and an application thereof. The bean product coagulant is prepared by adopting the following steps: mixing fruit with 360-400 parts by weight of water and decocting at a high temperature to obtain a decocted substance, wherein the fruit comprises 10-15 parts by weight of red fruits, 8-10 parts by weight of apples, 8-12 parts by weight of pineapples and 5-15 parts by weight of lemons; filtering the decocted substance to obtain the filtrate; and mixing and coagulating the filtrate and 4-8 parts by weight of citric acid to obtain the coagulant. Thebean product coagulant and the method for preparing bean products have the advantages that the bean products can be prepared conveniently and effectively; the operation is easy, standardization and industrialization can be realized easily, the cost is low, and the product yield is high; the prepared bean products have a good water-keeping capacity and a good mouthfeel; the inherent fragrance of raw materials of the bean products can be retained; and no peculiar taste is left.
Owner:刘峰松
Biological composite flocculating agent for adsorbing heavy metal ions in heavy metal wastewater and applications thereof
InactiveCN108217893AImprove adsorption capacityIncrease the scope of applicationOther chemical processesWater contaminantsAluminium chlorohydrateWastewater
The invention relates to a biological composite flocculating agent for adsorbing heavy metal ions in heavy metal wastewater and applications thereof. The composite flocculating agent is prepared by compounding polyglutamic acid, polymeric aluminum chloride, and poly(aspartic acid) according to a weight ratio of 1: 4-6: 15-17. When the flocculating agent is used, at first, the pH value of heavy metal wastewater is adjusted to 6-9; then the biological composite flocculating agent is added into the heavy metal wastewater, the system is vibrated and stirred for 15 to 20 minutes, after vibration and stirring, centrifugal separation or static settlement is performed, and the flocculent precipitates that adsorb heavy metal ions are recovered and processed. The adsorbing performance and application range of the biological composite flocculating agent are both enhanced. The processing mode is simple and environmentally friendly. Furthermore, polyglutamic acid and poly(aspartic acid) can be easily degraded by organisms and will not generate secondary pollution; the preparation and application are convenient, and the cost is low.
Owner:水友环保技术(苏州)有限公司
Composition for organic EL luminophor orientation controlling, organic EL luminophor orientation controlling film, and organic EL element and fabricating method thereof
ActiveCN102190887AGood photo-orientation sensitivityAchieving Luminous Efficiency StabilityLiquid crystal compositionsElectroluminescent light sourcesHeat resistanceOptical orientation
The invention relates to a composition for organic EL (Electroluminescent) luminophor orientation controlling, an organic EL luminophor orientation controlling film, and an organic EL element and a fabricating method thereof. The invention aims at providing a composition for organic EL luminophor orientation controlling with an excellent light orientation sensitivity, wherein the luminescent efficiency stability is obtained according to the high heat resistance, and the organic EL luminophor orientation controlling film can be formed; the controlling film can exert excellent polarized luminescent efficiency according to high level anisotropic orientation of the organic EL luminophor. The invention relates to a composition for organic EL luminophor orientation controlling, comprising a compound [A] containing an optical orientation group with a cinnamic acid structure. The compound [A] is preferably polysiloxane compound; furthermore, the optical orientation group with the cinnamic acid structure is preferably at least one selected from the group consisting of the group of the compound shown as the following formula (1) and the group of the compound shown as the following formula (2).
Owner:JSR CORPORATIOON
Fiber hybridized particle and polymer matrix composite material
ActiveCN106884309AConvenient and effective performanceSolve reunionMaterial nanotechnologyCell electrodesMultiple functionFiber
The invention provides a fiber hybridized particle and a polymer matrix composite material. The fiber hybridized particle comprises nanofiber and nanoparticles which are loaded on the surface of the nanofiber; surface coverage rate of the nanoparticles on the nanofiber is 5-100%; the diameter of the nanofiber is 50-300nm, and the length is 1-100[mu]m; the particle size of the nanoparticles is equal to or less than the diameter of the nanofiber; interface connection effects of the nanofiber and the nanoparticles are physical absorption and / or chemical bond combination. The polymer matrix composite materials comprises polymer and the fiber hybridized particles which are filled in the polymer. The fiber hybridized particles solve the problems of agglomeration and winding of granular and fibrous nano-materials, and endow multiple functions of the fibrous hybrid nano-material multiple functions, so that the polymer matrix composite material with controllable performance and multiple functions is obtained in a convenient and effective mode.
Owner:SHENZHEN INST OF ADVANCED TECH
Platinum nano-particles and preparation method thereof
ActiveCN108971516AEasy to prepare and effectiveGood size controlMaterial nanotechnologyTransportation and packagingHydrogen atmospherePotassium tetrachloroplatinate
The invention discloses platinum nano-particles and a preparation method thereof. The preparation method comprises the following steps: 1) mixing a methylbenzene solution dissolved with tetraoctyl ammonium bromide and a dendritic polymer with an aqueous solution dissolved with potassium chloroplatinite, after violently stirring for 0.5-2 hours at a room temperature, standing for layering and collecting supernatant liquid; and 2) transferring the supernatant liquid into a reactor, and then reacting for 48-95 hours in a hydrogen atmosphere to obtain the platinum nano-particles which are centrifugally separated and collected. According to the preparation method of the platinum nano-particles, hydrogen which is low in price and is easily obtained is taken as a reducing agent, reaction is carried out at the room temperature, and energy consumption caused by heating and the like is avoided. In addition, the sizes of the prepared platinum nano-particles are close to the size of the dendriticpolymer, the sizes of the platinum nano-particles are controllable in a certain range, and thus, the size range of the platinum nano-particles which are prepared by taking the dendritic polymer as a template is expanded.
Owner:HUBEI UNIV
Electrolytic extraction and detection method of nonmetallic inclusion in steel by utilizing organic solution
ActiveCN102213654BAvoid destructionAdjust electrolysis parametersElectrolysis componentsPreparing sample for investigationSalt bridgeFiltration
The invention relates to an electrolytic extraction and detection method of nonmetallic inclusion in steel by utilizing an organic solution. The method comprises the following process steps: (1) preparing electrolyte; (2) preparing and electrolyzing a steel sample: soaking the steel sample containing the inclusion into the electrolyte in an electrolytic cell; arranging a salt bath beside the electrolytic cell; erecting a salt bridge between the salt bath and the electrolytic cell; inserting a calomel electrode into the salt bath; inserting a calomel electrode in the salt bath; using the positive electrode of the steel sample, connected with a direct current stabilized power supply, as the anode, using a platinum wire as an electrolysis cathode, charging inert gas, particularly referring to argon; and (3) separating: pouring the electrolyte left after the electrolysis of the steel sample in the step (2) into a funnel which is filled with filter paper; arranging a vacuum filtration device which is loaded with a polytetrafluoroethylene membrane at the position tightly attached to the liquid down port of the funnel; separating the inclusion from the steel sample under the state that the vacuum filtration device is vacuumized; and transferring the polytetrafluoroethylene membrane which is distributed with the inclusion to a scanning electron microscope for detection. In the method provided by the invention, the inclusion can be extracted out of the steel without being damaged; and the three-dimensional shape of the inclusion is directly observed.
Owner:JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO LTD
Method for preparing tungsten/copper functional gradient material by infiltration - weld method
InactiveCN1290653CEasy to prepare and effectiveSolve thermal stressMetal layered productsFritGradient material
The invention relates to a new method of making tungsten-copper functional gradient material, which consists of pure tungsten layer and tungsten-copper gradient transit layer. First, make the gradient hole-framework with boring fluid of percent 5~80 volume ratio and tungsten powder of 1~20 micron. Infiltrate copper fluid to make the tungsten-copper gradient transit layer. Weld the W / Cu gradient layer and the pure tungsten by hot pressure. The process is following: mix the material and mould them, then frit framework, Infiltrate copper, weld and check. The method has both the advantage of melt-casting technique and jointing technique. The tungsten-copper functional gradient material made by this method is better heatproof and suited to electric sealing material, heat sinking material, and anti-high temperature plasma scouring unit such as the first layer material in nuclear fusion.
Owner:UNIV OF SCI & TECH BEIJING
Calixarene constructed supramolecular polymer material and preparation method thereof
InactiveCN102304141BEasy to prepare and effectiveEasy to operateOrganic chemistryMethyl ViologenPolymer science
The invention discloses a calixarene constructed supramolecular polymer material. The chemical formula of a repeat unit of the material is C210H206N72O64S8; and the material consists of ethyl-bridged p-sulfonated calix[4]arene, cucurbit[8]uril and hexyl-bridged methyl viologen, wherein the ethyl-bridged p-sulfonated calix[4]arene and the cucurbit[8]uril serve as a large-ring host, the hexyl-bridged methyl viologen serves as a guest, and the supramolecular polymer with a host-guest inclusion structure is constructed through host-guest bonding. The invention has the advantages that: by the recognition advantage of the p-sulfonated calix[4]arene and the cucurbit[8]uril on specific groups of the viologen, a fibrous polymer material is prepared by a simple and feasible solution mixing method, and the method is easy to implement, high in yield, convenient and effective; and by a chemical reduction means of adding hydrazine hydrate, the polymer material can be well reduced and depolymerized, and the supramolecular polymer material has wide application prospect in the field of materials.
Owner:NANKAI UNIV
Microcapsules
InactiveCN104066500AReduce leakageEasy to prepare and effectiveCosmetic preparationsHair cosmeticsPolymer chemistryMonomer
Owner:TAKASAGO INTERNATIONAL CORPORATION
Auxiliary correcting device of exposure image partial difference
InactiveCN101408716AEasy to prepare and effectiveGuaranteed image qualityPhotographic printingImaging qualityHandling system
The invention relates to an auxiliary alignment apparatus for the deviation of an exposure image, comprising a movement platform, an image system and a processing system which is connected with the movement platform and the image system. The image system moves by controlling the movement platform, so as to acquire image data of a test printing plate; the image data of the test printing plate comprises information of a plurality of test marks; the processing system stores the image data of a target printing plate and the image data of an ideal printing plate; the image data of the ideal printing plate comprises information of a plurality of ideal marks; the processing system generates alignment data according to the information of the a plurality of ideal marks and the information of the a plurality of test marks, and can generate the image data of a real printing plate according to the alignment data and the image data of the target printing plate. By adopting the device, the printing plate with the distortionless image can be made conveniently and effectively under the premise that the processing difficulty of a drumhead is not increased, thus ensuring the imaging quality.
Owner:HANS LASER TECH IND GRP CO LTD +1
Human adipose tissue acellular extracellular matrix as well as preparation and application thereof
PendingCN114796614AReduce contact timeIncreased physical processing timePharmaceutical delivery mechanismTissue regenerationPost transplantBiophysics
The invention discloses a human adipose tissue acellular extracellular matrix as well as preparation and application thereof, and relates to the technical field of biomedical materials. The method comprises the following steps: S1, preparing concentrated nano fat; s2, thoroughly crushing fat cells; and S3, removing the chemical reagent. Compared with a traditional method, the principle is that the contact time of chemical and biological reagents is shortened, and the physical treatment time is prolonged. Compared with a traditional method, the method has the advantages that the preparation time is greatly shortened, the operation is simplified, and particularly, the treatment of isopropanol and pancreatin is completely omitted. The obtained extracellular matrix retains more types of proteins, more types of proteins promoting lipogenesis are achieved, the middle and long-term vascularization and lipogenesis capacities after transplantation are higher than those of a traditional method, and the method has wide application prospects in experimental research and clinical treatment in the future.
Owner:JINAN UNIVERSITY
Method for preparing dibutylmagnesium
InactiveCN101362772AImprove protectionHigh yieldMagnesium organic compoundsHigh magnesium2-Chlorobutane
The invention relates to a preparation method for synthesizing dibutyl magnesium by taking 2-chlorobutane, magnesium powder and n-butyl lithium as raw materials. The 2-chlorobutane, the magnesium powder and the n-butyl lithium are taken as raw materials, and the dibutyl magnesium is synthesized under the condition of no water and no oxygenated solvent; the reaction process comprises: under the protection of N2, the magnesium powder is mixed with an evocating agent, then the mixture is put in a reaction kettle for heating and stirring and is added with a small amount of 2-chlorobutane solution slowly; after evocating reaction, under the condition of thermal insulation, the 2-chlorobutane solution is added into the reaction kettle slowly to generate a Grignard reagent by reaction; cooling and temperature reduction are carried out, n-butyl lithium hexane solution is added rapidly; after the reaction under the condition of thermal insulation is carried out, a solvent is obtained by distilling and separating; cooling and filtering are carried out, thus obtaining the dibutyl magnesium; in the preparation process, the mixture ratio of each raw material is as follows: the mole ratio of the magnesium powder to 2-chlorobutane to n-butyl lithium is equal to 1.0-1.2: 1: 1. The preparation method has the advantages of simple and easy technique, no pollution, being investment-saving, high magnesium powder conversion rate and product yield, etc.
Owner:WUHAN INSTITUTE OF TECHNOLOGY
A kind of fiber hybrid particle and polymer matrix composite material
ActiveCN106884309BSolve reunionSolve the entanglementMaterial nanotechnologyCell electrodesFiberPolymer science
Provided are a fibre-hybridised particle and a polymer-based composite. The fibre-hybridised particle is composed of a nanofibre and nanoparticles supported on the surface of the nanofibre. The coverage rate of the nanoparticles on the surface of the nanofibre is 5%-100%. The diameter of the nanofibre is 50 nm-300 nm, and the length is 1 μm-100 μm. The particle size of the nanoparticles is equal to or smaller than the diameter of the nanofibre. The interfacial connection action between the nanofibre and the nanoparticles is physical adsorption or / and chemical bond combination. The polymer-based composite of the present invention comprises a polymer and the fibre-hybridised particles filled in the polymer. The fibre-hybridised particles solve the agglomeration and winding problems of granular and fibrous nanomaterials, and at the same time, provide multiple functions for the fibrous hybridised nanomaterial; and a polymer-based composite having controllable properties and multiple functions is obtained in a more convenient and effective manner.
Owner:SHENZHEN INST OF ADVANCED TECH
Method for preparing solvent-free multicomponent polyurethane synthetic leather based on steam injection coating
InactiveCN103031736BSolve environmental pollutionQuality improvementLaminationLamination apparatusAlcoholFoaming agent
The invention discloses a method for preparing solvent-free multicomponent polyurethane synthetic leather based on steam injection coating. The method comprises the following steps: firstly, adding polyhydric alcohol, isocyanate, chain extender, vulcanizing agent, catalyst, coupling agent, foaming agent, foam stabilizer, colorant, component absorbing carbon dioxide and water and filler into a plurality of stock tanks of a polyurethane casting machine; secondly, conveying the raw materials to a mixing head of the casting machine for mixing by regulating a metering pump on the raw material tank to obtain mixed size; coating the mixed size on release paper by a steam injection spreader, fitting base cloth on the mixed size layer of the release paper and then drying the base cloth; and finally, continuously reacting the mixed size by post curing till complete curing, and peeling the release paper after cooling to obtain the solvent-free multicomponent polyurethane synthetic leather. No solvent is used in the production process, so that the environmental pollution problem of DMF, TOL, MEK, THF and other solvents generated by the existing solvent polyurethane synthetic leather can be solved.
Owner:SHAANXI UNIV OF SCI & TECH
Waste circuit board powder-based toughening type spraying-free color regeneration composite material and preparation method
ActiveCN103158311BEffective dispersionGood dispersionSynthetic resin layered productsFirming agentUltimate tensile strength
The invention relates to a waste circuit board powder-based toughening type spraying-free color regeneration composite material, which comprises a color surface layer and a filling layer, the color surface layer comprises the following raw materials by weight: 0.5-3 parts of epoxy color paste, 60-80 parts of epoxy resin 100 curing agent, 0.5 parts of curing accelerator, 5-30 parts of flexibilizer and 0.5-2 parts of age resister; and the filling layer comprises the following raw materials by weight: 100-300 parts of epoxy resin 100 waste printed circuit board powder, 60-80 parts of curing agent, 0.5 parts of curing accelerator, 5-30 parts of flexibilizer and 0.5-2 parts of age resister. The material has the following advantages of reasonable formula, low cost, excellent mechanical property (especially impact resistance strength), thereby the problems that a regeneration material in the prior art is difficult to be colored, most material only can be prepared to black or grey products with uncomfortable feeling and limited application scope can be solved. The invention also discloses a preparation method of the above material, and the method has the advantages of simple technology and convenient operation.
Owner:CHINA NAT ELECTRIC APP RES INST +2
Supramolecular polymer material constructed by doubly bridging sulfonated calixarenes and preparation thereof
InactiveCN103012361BEasy to prepare and effectiveGood water solubilityOrganic chemistrySolubilityMethyl Viologen
Owner:NANKAI UNIV
Phosphorous acid titanium with three-dimensional open-framework structure and preparation method thereof
InactiveCN103395800BEasy to prepare and effectiveImprove thermal stabilityPhosphorous acidMolecular-sieve and base-exchange phosphatesPhosphorous acidHydrofluoric acid
Owner:JILIN UNIV
Auxiliary correcting device of exposure image partial difference
InactiveCN101408716BEasy to prepare and effectiveEfficient manufacturingPhotographic printingImaging qualityHandling system
Owner:HANS LASER TECH IND GRP CO LTD +1
Bean product coagulating agent and application thereof
InactiveCN107006611AImprove water holding capacityImprove textureCheese manufactureFood scienceAdditive ingredientWater holding capacity
The invention discloses a bean product coagulating agent and application thereof. The bean product coagulating agent is prepared by the following steps: mixing fruits with 400 to 420 parts by weight of water and decocting an obtained mixture at high temperature to obtain a decocted product, wherein the fruits comprises the following ingredients in parts by weight: 10 to 15 parts of haw, 8 to 10 parts of sea-buckthorns, 5 to 10 parts of oranges and 10 to 20 parts of lemons; filtering the decocted product to obtain a filtrate; and mixing and coagulating the filtrate with 2 to 4 parts by weight of citric acid to obtain the coagulating agent. The bean product coagulating agent and a method for producing bean products provided by the invention can be used for producing the bean products conveniently and efficiently, are simple in operation, easy to realize standardization and industrialization, low in cost and high in yield. The obtained bean products have good water holding capacity and good taste, keep original fragrance of raw materials of the bean products, and are free from residual odor.
Owner:刘峰松
Composition for organic EL luminophor orientation controlling, organic EL luminophor orientation controlling film, and organic EL element and fabricating method thereof
ActiveCN102190887BEasy to prepare and effectiveGood photo-orientation sensitivityLiquid crystal compositionsElectroluminescent light sourcesLight emissionPhotochemistry
The present invention relates to a composition for controlling the orientation of an organic EL light emitter, an orientation control film for an organic EL light emitter, an organic EL element and a manufacturing method thereof. Its purpose is to provide a composition for controlling the orientation of an organic EL emitter which is excellent in photo-alignment sensitivity, which has stable luminous efficiency due to high heat resistance, and can form an orientation control film for an organic EL emitter which is based on an organic EL emitter. The high-level anisotropic orientation of EL emitters can exert excellent polarized light emission efficiency. The present invention relates to a composition for controlling the orientation of an organic EL light emitting body, comprising: [A] a compound having a photo-alignment group including a cinnamic acid structure. [A] The compound is preferably a polyorganosiloxane compound. In addition, the photo-alignment group containing the above-mentioned cinnamic acid structure is preferably selected from the group consisting of a group derived from a compound represented by the following formula (1) and a group derived from a compound represented by (2). at least one of .
Owner:JSR CORPORATIOON
Membrane humidifier for fuel cell
ActiveCN111566861ASave time at workImprove work efficiencyMembranesSemi-permeable membranesFuel cellsEngineering
A membrane humidifier for a fuel cell, according to one embodiment of the present invention, comprises: a middle case in which a plurality of hollow fiber membranes are accommodated; a cap case coupled to the middle case; a potting part formed at the end portions of the plurality of hollow fiber membranes; and an assembling member disposed between the end portions of the cap case and the middle case, and simultaneously coupling, so as to be airtight, a gap between the cap case and the middle case and a gap between the cap case and the potting part.
Owner:KOLON IND INC
Coagulant and method for preparing bean products by same
InactiveCN102550701BImprove water holding capacityNo residual odorCheese manufactureFood scienceCitric acidStandardization
The invention provides a bean product coagulant and an application thereof. The bean product coagulant is prepared by adopting the following steps: mixing fruit with 360-400 parts by weight of water and decocting at a high temperature to obtain a decocted substance, wherein the fruit comprises 10-15 parts by weight of red fruits, 8-10 parts by weight of apples, 8-12 parts by weight of pineapples and 5-15 parts by weight of lemons; filtering the decocted substance to obtain the filtrate; and mixing and coagulating the filtrate and 4-8 parts by weight of citric acid to obtain the coagulant. The bean product coagulant and the method for preparing bean products have the advantages that the bean products can be prepared conveniently and effectively; the operation is easy, standardization and industrialization can be realized easily, the cost is low, and the product yield is high; the prepared bean products have a good water-keeping capacity and a good mouthfeel; the inherent fragrance of raw materials of the bean products can be retained; and no peculiar taste is left.
Owner:刘峰松
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com