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41results about How to "Cheap and easy to prepare" patented technology
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Peptide mediated synthesis of metallic and magnetic materials
InactiveUS20050064508A1Small sizeEasy to controlMaterial nanotechnologyLibrary screeningOligomerNanocrystal
The present invention includes methods for producing magnetic nanocrystals by using a biological molecule that has been modified to possess an amino acid oligomer that is capable of specific binding to a magnetic material.
Owner:BOARD OF RGT THE UNIV OF TEXAS SYST
Article including sheet-like electromagnetic shielding structure
InactiveUS20080283290A1Extensive and intensiveImpart electrical conductivityScreening rooms/chambersShielding materialsFiberConvex structure
The present invention relates to an article to which a characteristic of shielding electromagnetic waves is imparted, which comprises at least a sheet-like electromagnetic shielding structure, the sheet-like electromagnetic shielding structure comprising a thin layer-like substrate; and a fiber convex structure section having a characteristic of conducting or absorbing electromagnetic waves, in which the said fiber convex structure section is formed at least partially on the thin layer-like substrate in such a form that at least a part of a fiber thereof is positioned outward from the surface of the thin layer-like substrate. As the article including the sheet-like electromagnetic shielding structure, an electronic device, an electronic circuit board, garment, an architectural structure, a construction material, or a transport equipped with an engine is suitable.
Owner:NITTO DENKO CORP
Method for analyzing and detecting four kinds of heterocyclic pesticides in environmental water sample
InactiveCN107064367AGood adsorption efficiencySimple and efficient operationComponent separationChemistrySolid phase extraction
The invention belongs to the field of pesticide detection, and relates to a method for analyzing and detecting four kinds of heterocyclic pesticides in an environmental water sample. The four kinds of heterocyclic pesticides comprise carbendazim, triazolone, chlorfenapyr and fenpyroximate. The method for analyzing and detecting the four kinds of heterocyclic pesticides in the environmental water sample comprises the following steps: preparing amino ferroferric oxide by taking ferric trichloride hexahydrate as a raw material with the assistance of ethylene glycol, sodium acetate and ethanol amine; preparing a magnetic metal organic framework MOF-5 from the prepared amino ferroferric oxide; measuring the four kinds of heterocyclic pesticides by taking the prepared magnetic MOF-5 as a magnetic solid-phase extraction material and taking an efficient liquid chromatography as a measuring instrument. The method has the advantages of easiness and convenience in operation, adoption of readily-available raw materials, high accuracy of measuring result, average recycling rate of 80.30 to 108.33 percent, relative standard deviation of 2.96 to 7.94 percent, good extraction effect, accurate analysis result, high reproducibility and wide market prospect.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY
Preparation method and application of quaternary ammonium salt-N-halamine nano antibacterial fibers
ActiveCN108411626AEnhanced interactionExcellent contact typeVegetal fibresAnimal fibresQuaternary ammonium cationMedical equipment
The invention discloses a preparation method and application of quaternary ammonium salt-N-halamine nano antibacterial fibers. The preparation method includes: performing activation preprocessing on natural fibers, allowing the activated natural fibers to have grafting reaction with a multi-amino polymer compound or a multi-amino multi-sulfydryl polymer compound, then grafting with quaternary ammonium salt, using a crosslinking agent to perform crosslinking, and bleaching to obtain the quaternary ammonium salt-N-halamine nano antibacterial fibers. The prepared quaternary ammonium salt-N-halamine nano antibacterial fibers have contact type and release type bifunctional antibacterial functions and are capable of increasing sterilizing speed, capable of achieving sterilizing under normal temperature, high in sterilizing performance, lasting in effect, less prone to tolerance generation, widely applicable to many fields such food packages, food fresh-keeping, medical equipment, public sanitation and water purification systems and promising in application prospect.
Owner:YULIN NORMAL UNIVERSITY
Method for analyzing and determining four sulfonamide antibiotics in water sample
The invention belongs to the field of antibiotic detection, and relates to a method for analyzing and determining four sulfonamide antibiotics in a water sample. A negative pressure suction filtrationmembrane solid phase extraction technology is utilized, and a metal organic framework material NH2-MIL-101(FE) membrane solid phase extraction-high performance liquid chromatography method is adoptedto determine four antibiotics such as sulfadiazine, sulfamethazine, sulfachloropyridazine and sulfamethoxazole in an environmental water sample. The method is simple, convenient, rapid and sensitiveto operate, and has the advantages of low detection limit, accuracy and good reproducibility; and moreover, the raw materials are cheap and easy to obtain, the material preparation process is simple,the reaction conditions are mild, the application environment is friendly, and the market prospect is wide.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY
Structure having a characteristic of conducting or absorbing electromagnetic waves
InactiveUS20060093782A1Improve the level ofEasy and cheap to produceShielding materialsLiquid surface applicatorsFiberConvex structure
A structure having a characteristic of conducting or absorbing electromagnetic waves contains a base material having a characteristic of conducting or absorbing electromagnetic waves, a pressure-sensitive adhesive layer or an adhesive layer formed on at least one surface thereof, and a fiber convex structure section having a characteristic of conducting or absorbing electromagnetic waves formed on the pressure-sensitive adhesive layer or adhesive layer on the at least one surface of the base material in a form that at least a part of a fiber thereof is positioned outward from the surface of the pressure-sensitive adhesive layer or adhesive layer.
Owner:NITTO DENKO CORP
Method for removing treatment of antibiotic sulfacetamide by means of activated carbon materials
InactiveCN105217715AWell-developed pore structureEasy to recycleOther chemical processesWater contaminantsActivated carbonRoom temperature
The invention relates to a method for removing treatment of antibiotic sulfacetamide by means of activated carbon materials. The method comprises the steps that an activated carbon and hydrogen peroxide solution is added to a sulfacetamide solution, wherein the ration of sulfacetamide to activated carbon to hydrogen peroxide is 0.3875 micromole to 6-7.5 mg to 8-12 micromoles; then the mixture is treated at room temperature for 20-100 min, and the removing treatment of the antibiotic sulfacetamide is completed. According to the method for removing treatment of the antibiotic sulfacetamide by means of the activated carbon materials, the activated carbon materials are adopted, the synergistic catalytic action can be achieved with the hydrogen peroxide, and the antibiotic sulfacetamide is removed; in the removing treatment process, the problems such as secondary pollution caused by a chemical method and high cost can be avoided, and operation is easy. According to the treatment method, only the activated carbon materials need to be added to the sulfacetamide solution at the room temperature, and the industrial treatment steps are greatly simplified; meanwhile, the activated carbon materials are convenient to recycle, suitable for industrial application and especially suitable for the industrial removing treatment of the antibiotic sulfacetamide.
Owner:SHAANXI NORMAL UNIV
Method for analyzing and detecting four heterocyclic pesticides in environmental water sample
PendingCN110849982ACheap and easy to prepareEasy to makeComponent separationMetal-organic frameworkCarboxylic acid
The invention relates to a method for analyzing and determining four heterocyclic pesticides in a water sample, and belongs to the field of pesticide detection. The method specifically comprises the following steps: preparing a metal organic framework material MIL-53 and an MIL-53 membranes; and analyzing four phenoxy carboxylic acid pesticides in the water sample by using solid-phase extraction via the metal organic framework material MIL-53 in combination of high performance liquid chromatography. The organic framework material MIL-53 with high adsorption efficiency for the four phenoxy carboxylic acid pesticides is used, and serves as a membrane solid-phase extraction material, a high performance liquid chromatography-ultraviolet fluorescence detector is adopted, the analysis method ofthe four phenoxy carboxylic acid pesticides in the water sample is established, the method is simple and convenient to operate, the analysis time and cost are greatly reduced, the extraction effect isgood, the analysis result is accurate, and the reproducibility is good; and raw materials are cheap and easy to obtain, the material preparation process is simple, the reaction conditions are mild, the application environment is friendly, and the market prospect is wide.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY +1
Manufacturing method of opto-acoustic lens, focusing ultrasonic device and focusing ultrasonic measurement system
InactiveCN108709623ASmall sizeSuitable for high-precision treatmentUltrasound therapySubsonic/sonic/ultrasonic wave measurementCandleDip-coating
The invention discloses a manufacturing method of opto-acoustic lens, a focusing ultrasonic device and a focusing ultrasonic measurement system. The manufacturing method comprises steps of S1: placingplane-concave lens on candle flame so as to generate a layer of uniform candle ash nano particles on the surface of the concave face of the plane-concave lens; S2: immersing the plane-concave lens into a container containing polydimethylsiloxane, and by use of a dip-coating method, forming candle ash nano particle- polydimethylsiloxane compound; S3: leading out redundant polydimethylsiloxane on the surface of the plane-concave lens; and S4: carrying out thermo-curing on the plane-concave lens. According to the invention, the focusing spots are small; the device is small in size; the method issuitable for high-precision treatment; and the device and the system are simple and cheap to prepare, and suitable for handheld operation.
Owner:SHANGHAI JIAO TONG UNIV
Crosslinked fluid treatment and methods for fracturing underground formations based on flowback, production water, seawater, fresh water, and mixtures of same
The present invention provides cross-linked fracture fluids that allow for reusing return water with no treatment, minimizing the environmental impact thereof and reducing the use of fresh water to very low levels to stimulate wells or re-stimulate wells stimulated in the past. Preparation and use methods of said fluids in fractured subterranean formations drilled by wells, based on return water, production water, sea water, fresh water and mixtures thereof, are provided. Fluids are basically composed of: return water, production water, sea water, fresh water and mixtures thereof present in a sufficient amount to moisten the gelling agent and to form a gellified aqueous agent; a gelling agent; an iron control agent; an alkaline buffer; a delayed cross-linking agent, and a rupture system to “break” the fluid and improve fracture cleaning.
Owner:SOTRO FINANCIAL
Method for preparing lithium titanate coated aluminum lithium ion battery negative pole material
InactiveCN103280557AImprove conductivityGood reversibility of electrode reactionCell electrodesElectrical batteryMuffle furnace
The invention relates to a battery preparation technology, and aims to provide a method for preparing a lithium titanate coated aluminum lithium ion battery negative pole material. The method comprises the following steps of: placing lithium titanate sol in a hydrothermal reaction kettle, adding spherical aluminum powder, stirring and then sealing; after the reaction, taking a reaction product out, and performing filtration, centrifugal separation and vacuum drying to obtain a lithium titanate-aluminum composite material precursor; placing the lithium titanate-aluminum composite material precursor in a muffle furnace, setting calcination temperature as 500 DEG C under the protection of a nitrogen atmosphere, and setting heating rate as 4 DEG C min<-1>; and after the set temperature is reached, preserving heat for 5 hours to obtain a lithium titanate coated aluminum composite material, namely the lithium titanate coated aluminum lithium ion battery negative pole material. According to the method, an organic electrolyte can be safely applied to a battery through a steady charge-discharge voltage platform. The lithium titanate coated aluminum lithium ion battery negative pole material is high in electrode reaction reversibility, high in chemical stability and thermal stability, low in cost, easy to prepare, and pollution-free.
Owner:ZHEJIANG UNIV
Peptide mediated synthesis of metallic and magnetic materials
InactiveUS20070287174A1Cheaply and easilyCheap and easy to prepareMaterial nanotechnologyPeptide/protein ingredientsOligomerNanocrystal
The present invention includes methods for producing magnetic nanocrystals by using a biological molecule that has been modified to possess an amino acid oligomer that is capable of specific binding to a magnetic material.
Owner:BOARD OF RGT THE UNIV OF TEXAS SYST
Tetra-aryloxy IVB group binuclear metal complex and preparation method and application of tetra-aryloxy IVB group binuclear metal complex
ActiveCN112358498ACheap and easy to prepareHigh activityGroup 4/14 organic compounds without C-metal linkagesTitanium organic compoundsPolymer sciencePtru catalyst
The invention discloses a tetra-aryloxy IVB group binuclear metal complex and a preparation method and application thereof. The structure of the tetra-aryloxy IVB group binuclear metal complex is shown as a formula I or a formula I'. The tetra-aryloxy IVB group binuclear metal complex disclosed by the invention has the advantages of cheap and easily available raw materials and simple synthesis. Ethylene / alpha-olefin copolymerization can be catalyzed with the activation of the a co-catalyst aluminum alkyl, aluminum alkoxide, or organoboride, such as 1-octene, the catalytic activity can reach 108 g.mol <-1>(M).h<-1> or above, the molecular weight of a polymerization product is 10,000-500,000 g / mol, and the comonomer insertion capacity is 45 wt% or above. The complex has the characteristics of high temperature resistance, high activity and strong co-monomer insertion capability, and has a good industrial application prospect.
Owner:WANHUA CHEM GRP CO LTD
Preparation method of lithium battery fire gel dry water fire extinguishing agent
InactiveCN113069707ARaw materials are cheap and easy to getCheap and easy to prepareFire extinguisherGellan gumCarrageenan
The invention provides a preparation method of a lithium battery fire gel dry water fire extinguishing agent. The preparation method comprises the steps of adding gellan gum, gelatin, carrageenan, agar and polyvinyl alcohol into deionized water, and stirring to obtain a mixed sol solution; uniformly mixing the mixed sol solution with a water glass solution; slowly dropwise adding a concentrated strong acid solution into the uniformly-mixed mixed solution until the pH value reaches 7 to 9 to form hydrogel; and crushing the hydrogel, adding the hydrophobic silicon dioxide and the crushed hydrogel into a stirrer to be stirred to obtain the gel dry water fire extinguishing agent. The gel dry water fire extinguishing agent is good in stability and convenient to store and transport; the flowability, dispersity and cooling performance are good, and rapid fire extinguishing and continuous cooling are facilitated; and the fire extinguishing agent is non-toxic, harmless, free of secondary pollution, non-conductive, easy to clean after fire extinguishing, and beneficial for inhibiting reburning of a lithium battery fire.
Owner:UNIV OF SCI & TECH OF CHINA
Preparation of a Biomass Emulsion Separation Membrane and Its Application in Selective Emulsion Separation
ActiveCN106861450BImprove separation efficiencyRealize a cycle separationSemi-permeable membranesNon-miscible liquid separationOil emulsionMicrofiltration membrane
The invention discloses preparation of a biomass emulsion separation membrane. A preparation method comprises following steps: coprinus comatus powder treated with an alkali and sodium alginate are dispersed in water fully so as to obtain a mixed solution, and the mixed solution is subjected to stirring reaction at 20 to 30 DEG C for 10 to 20min so as to obtain a reaction solution; the reaction solution is subjected to vacuum filtration using a microfiltration membrane, is washed with deionized water, and is dried so as to obtain the biomass emulsion separation membrane. The biomass emulsion separation membrane possesses special superhydrophilic / under water super oleophobic and super oleophylic / under oil hydrophobic performance, is capable of realizing selective separation of oil-in-water emulsion and water-in-oil emulsion via infiltration of a continuous phase, and separation efficiency is higher than 99.0% after a plurality of times of circulation. The raw materials of the biomass emulsion separation membrane are cheap and easily available; the preparation process is simple; operation is convenient; cost is low; and large scale production and application can be realized.
Owner:SHENZHEN OCEAN GUARD ENVIRONMENTAL PROTECTION TECH CO LTD
Method for photodegradation of organic pollutants in water by black carbon
ActiveCN110002532ACheap and easy to prepareMild reaction conditions for photodegradationWater/sewage treatment by irradiationWater treatment compoundsCombustionPhotodegradation
The invention provides a method for photodegradation of organic pollutants in water by black carbon. The method comprises the following steps: 1), burning C6-C20 hydrocarbon compounds under the condition of controllable combustion oxygen ratio to prepare black carbon; 2), adding a prepared aqueous solution of the black carbon and water organic pollutants to a photo reactor to form a reaction system, and stirring the reaction system under simulated sunlight irradiation to realize degradation of the water organic pollutants. Compared with the prior art, the method has the main advantages that preparation of the black carbon is cheap and simple, photodegradation reaction conditions are mild, reaction operation is simple, universality is wide, various organic pollutants in water can be degraded, and thus, the method has great environmental significance.
Owner:INST OF CHEM CHINESE ACAD OF SCI
Humidifier filter and humidifier filter laminate body
ActiveCN102959337AStable humidificationNot easy to overlapMechanical apparatusLighting and heating apparatusEngineeringMechanical engineering
Owner:MITSUBISHI PAPER MILLS LTD
Method for nondestructive recovery of reinforcement in waste carbonyl-containing thermosetting resin under mild conditions
PendingCN113621171AEfficient recycling and degradationAchieve recyclingPlastic recyclingSolventCarbonyl group
The invention discloses a method for nondestructive recovery of a reinforcement in waste carbonyl-containing thermosetting resin under mild conditions and belongs to the technical field of polymer composite degradation. The specific scheme comprises the following steps: step 1, mixing the waste carbonyl-containing thermosetting resin with an alkaline solution, and heating to obtain a liquid-phase product and a gel-state solid-phase product; 2, regulating swelling of a solid-phase product in a gel state in different solvents to enable the solid-phase product to have viscosity, and removing resin on the surface of the reinforcement by adopting a physical separation mode after drying to obtain a precursor of the reinforcement; step 3, further degrading the precursor of the reinforcement by adopting an advanced oxidation technology, and recovering to obtain the reinforcement. According to the invention, the reaction solvent is green, the degradation temperature is mild, and the energy consumption is reduced; the degradation process is rapid and efficient, the resin removal rate reaches up to 100%, nondestructive recovery of the carbon fibers can be achieved, and high-added-value carbon fiber resources are recycled; and the method has very important industrialization prospects.
Owner:HARBIN INST OF TECH
Organic fertilizer for preventing bitter pits of apples
InactiveCN108840730AReduce the frequency of fertilizationAvoid negative effectsCalcareous fertilisersBio-organic fraction processingLong actingChemistry
The invention discloses an organic fertilizer for preventing bitter pits of apples. The organic fertilizer comprises soluble calcium salt, organic fertilizer liquor, an emulsifying agent and a thickening agent, wherein the organic fertilizer liquor is fermentation liquor of bean cakes, burnt rice bran powder and mushroom residues. The organic fertilizer disclosed by the invention has the beneficial effects that addition agents of the thickening agent, the emulsifying agent and the like are added to a mixed organic fertilizer of liquid calcium and organic matter, and emulsion having certain stickiness is prepared; and through a spraying manner, organic fertilizer liquor drops are uniformly sprayed onto apple surfaces, the liquor drops have definite stickiness and can be adhered to leaf surfaces or the apple surfaces, after moisture in the liquor drops evaporates, a transparent pot-shaped film can be formed on the leaf surfaces or the apple surfaces, the liquid calcium and the organic matter in the liquor drops can deposit in the film and can be slowly absorbed, long-acting slow-release effects are formed, the number of fertilizing times of a calcium fertilizer is reduced, and negative influence on soil caused by excessive fertilizing is avoided.
Owner:山东宝瑞生物科技有限公司
Method and device of fabricating three dimensional scaffolds
InactiveUS20110285047A1Less costLess timeCell culture supports/coatingMicroballoon preparationThree dimensional scaffoldsMaterials science
A method of fabricating three-dimensional scaffolds includes the steps of forming a plurality of bubbles by providing a gelatin solution and a gas stream passing through a bubble production device, gathering the bubbles, cooling the bubbles, crosslinking the bubbles by adding the agent with aldehyde group, and breaking at least some of the bubbles to be interconnected to form a three-dimensional porous materials.
Owner:ACAD SINIC
Humidification filter and humidification filter laminate
InactiveCN102959337BCheap and easy to prepareAvoid contactMechanical apparatusLighting and heating apparatusMechanical engineeringHumidifiers
Owner:MITSUBISHI PAPER MILLS LTD
A kind of measuring method of methylmercury and ethylmercury
InactiveCN106770730BImprove adsorption efficiencyCheap and easy to prepareComponent separationFluorescence/phosphorescenceRelative standard deviationFluorescence
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY
A kind of active carbon material removes the method for processing antibiotic acesulfame
InactiveCN105217715BWell-developed pore structureEasy to recycleOther chemical processesWater contaminantsActivated carbonMaterial removal
The invention relates to a method for removing and treating the antibiotic acesulfame by activated carbon materials. First, activated carbon and hydrogen peroxide solution are added to the acesulfame solution, wherein the ratio of acesulfame, activated carbon and hydrogen peroxide is 0.3875 μmol: (6~7.5) mg: (8~ 12) μmol, and then treated at room temperature for 20-100 minutes to complete the removal of the antibiotic acesulfame. The present invention can produce synergistic catalytic effect with hydrogen peroxide by adopting activated carbon material, remove the antibiotic acesulfame, and avoid the secondary pollution and high cost of the chemical method during the removal process, and it is easy to operate. The activated carbon material is added into the acesulfame solution, which greatly simplifies the industrial processing steps; at the same time, the activated carbon material itself is convenient to recover and is suitable for industrial applications, especially for the industrial removal of the antibiotic acesulfame.
Owner:SHAANXI NORMAL UNIV
A method for the oxidation of aromatic beta-diketones to synthesize carboxylic acids
InactiveCN105777526BNo heating requiredReduce dosageOrganic compound preparationOrganic-compounds/hydrides/coordination-complexes catalystsOrganic synthesisHeteropoly acid
Owner:EAST CHINA NORMAL UNIV
Method for preparing methanoic acid by catalytic hydrogenation of nanometer porous nickel material
InactiveCN106349046AEmission reductionWide variety of sourcesOrganic compound preparationCarboxylic compound preparationHydrogen atmosphereFormate
The invention provides a method for preparing methanoic acid by the catalytic hydrogenation of a nanometer porous nickel material. The method comprises the following steps: after a carbon source, solvent and the nanometer porous nickel material are mixed, regulating a pH value to 8-12, reacting at a temperature of 150-200DEG C under hydrogen atmosphere, carrying out solid-liquid separation after reaction is finished, and collecting a liquid part to obtain methanoic acid solution or formate solution. Compared with the prior art, the method has the following beneficial effects: the method for preparing the methanoic acid by the catalytic hydrogenation of CO2 and carbonate by the nanometer porous nickel material has the advantage of abundant raw material resources (such as industrial exhaust gas, automobile exhaust and the like) and is nontoxic or harmless, fossil energy does not need to be consumed, and CO2 emission can be effectively reduced. Water is used as reaction solvent so as to be environmental-friendly and pollution-free. The nanometer porous nickel material which is cheap and can be easily prepared is used, the highest yield of the methanoic acid can be 92.1%, and selectivity is good.
Owner:SHANGHAI JIAO TONG UNIV
Method for preparing n-propanol from bio-base diol
ActiveCN102731247BCheap and easy to prepareEasy to operatePreparation by OH group eliminationMetal/metal-oxides/metal-hydroxide catalystsChemical industrySingle process
The present invention belongs to the technical field of chemical industry, and specifically to a method for preparing n-propanol from a bio-base diol. According to the method, a glycerol hydrogenolysis product 1,2-propylene glycol and a catalyst prepared by loading a transition metal element on a carrier are subjected to a continuous reaction of high temperature dehydration and hydrogen transfer coupling on a fixed bed reactor under atmospheric pressure nitrogen protection to prepare the n-propanol. With application of the catalyst of the present invention in preparation of n-propanol from 1,2-propylene glycol through the dehydration continuity reaction, the single-process conversion rate is more than 86%, and the selectivity of the n-propanol in the product is more than 45%.
Owner:QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI
A method for the analysis and detection of four heterocyclic pesticides in environmental water samples
InactiveCN107064367BCheap and easy to prepareEasy to makeComponent separationSodium acetateChlorfenapyr
The invention belongs to the field of pesticide detection, and relates to a method for analyzing and detecting four kinds of heterocyclic pesticides in an environmental water sample. The four kinds of heterocyclic pesticides comprise carbendazim, triazolone, chlorfenapyr and fenpyroximate. The method for analyzing and detecting the four kinds of heterocyclic pesticides in the environmental water sample comprises the following steps: preparing amino ferroferric oxide by taking ferric trichloride hexahydrate as a raw material with the assistance of ethylene glycol, sodium acetate and ethanol amine; preparing a magnetic metal organic framework MOF-5 from the prepared amino ferroferric oxide; measuring the four kinds of heterocyclic pesticides by taking the prepared magnetic MOF-5 as a magnetic solid-phase extraction material and taking an efficient liquid chromatography as a measuring instrument. The method has the advantages of easiness and convenience in operation, adoption of readily-available raw materials, high accuracy of measuring result, average recycling rate of 80.30 to 108.33 percent, relative standard deviation of 2.96 to 7.94 percent, good extraction effect, accurate analysis result, high reproducibility and wide market prospect.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY
A kind of preparation method and application of quaternary ammonium salt-n-halamine type nano antibacterial fiber
ActiveCN108411626BEnhanced interactionImprove spinnabilityVegetal fibresAnimal fibresMedical equipmentNatural fiber
The invention discloses a preparation method and application of a quaternary ammonium salt-N-halamine type nano-antibacterial fiber. After the natural fiber is activated and pretreated, it is grafted with a polyamino polymer compound or a polyamino polymercapto polymer compound. After being grafted with a quaternary ammonium salt, crosslinking is carried out by a crosslinking agent, and the quaternary ammonium salt-N-halamine type nano antibacterial fiber of the present invention is obtained after bleaching; the nano antibacterial fiber of the present invention has both contact type and release type. The antibacterial function of the functional group greatly speeds up the sterilization speed, and it can also be sterilized under normal temperature and pressure. It has strong antibacterial property, long-lasting effect, and is not easy to produce drug resistance. The fiber antibacterial material can be made into medical supplies, such as cotton swabs, cotton Balls, gauze, masks, surgical gowns, etc., can be widely used in food packaging, food preservation, medical equipment, public health, water purification systems and many other fields, and have broad application prospects.
Owner:YULIN NORMAL UNIVERSITY
Algicidal/microbicidal agent and algicidal/microbicidal method
This invention relates to an algicide of excellent water solubility, low cost and excellent handling that is characterized in containing N-chloro-2-pyrrolidinone, as well as to an algicidal / microbicidal agent characterized in containing one or more compounds selected from cyclic N-chloro compounds and N,N'-dichloro compounds represented by formula (1). (1) (In the formula, X represents a methylene group, secondary amino group, or N-chloro group, and R represents a C2-5 alkylene group, provided that when X is an N-chloro group, R is a C2-3 alkylene group).
Owner:K I CHEM IND CO LTD
Ferroportin-Inhibitors For The Use In The Prevention And Treatment Of Kidney Injuries
PendingUS20220323416A1Cheap and easy to prepareLower Level RequirementsOrganic active ingredientsOrganic chemistryFormularyKidney injury
The invention relates to the use of ferroportin inhibitor compounds of the general formula (I) for preventing and treating kidney injuries, such as in particular acute kidney injuries, and the symptoms and pathological conditions associated therewith.
Owner:VIFOR INT AG
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