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84results about How to "Simple preparation protocol" patented technology
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Multifunctional photoexcited surface plasma resonant imager
InactiveCN1629618AImplement Analysis TransformationFlexible structureAnalysis by material excitationProcess systemsResonance wavelength
This invention multifunction imager is made based on the surface plasma resonance phenomenon composed of p-polarized parallel light sources, a light incident angle modulation system, a sample transport and analysis system, a reflection light cut-away and modulation system, a detector, and a data register and process system. Said device utilizes the dispersion of P-polarized light and a prism to activate the resonance of sensing film surface plasma to test resonance signals. The resonance image signal or wave length scan resonance signal can be tested by conversion of light sources, the chip research result can be reached by micro-lattice process to sense film to realize spectrum conversion of image and resonance wavelength.
Owner:INST OF CHEM CHINESE ACAD OF SCI
Total-synthesis hydraulic oil with super-long oil change period
InactiveCN105886071ASimple manufacturing schemeQuality improvementLubricant compositionAntioxidantViscosity index
The invention discloses total-synthesis hydraulic oil with a super-long oil change period. The hydraulic oil is characterized by consisting of base oil, an antioxidant, a detergent, a dispersing agent, a corrosion inhibitor, an antifoaming agent, a metal deactivator, a demulsifying agent, an anti-wear agent, an anti-extreme pressure agent, a viscosity index improver and a pour point reducer. In the invention, the production scheme is simple; and the product is cheaper than other products of the same type, has high quality and can effectively and comprehensively improve the performance requirements of lubricating oil. The anti-wear and anti-extreme pressure effects are enhanced to the greatest degree while the properties of lubricating oil including oxidation resistance, corrosion resistance, cleaning and dispersion, foam resistance, rust prevention and prevention of oil sludge generation are comprehensively improved. The life cycle of the hydraulic oil is greatly prolonged, and the noise of mechanical equipment and the energy consumption are reduced. The environmental protection requirements of existing products of the same type are completely exceeded.
Owner:TIANJIN CENTURY VALAVELINE PETROLEUM CO LTD
Preparation method of silica-coated all-inorganic perovskite core-shell structure quantum dots
ActiveCN111205853ALow priceLoose conditionsNanotechnologyLuminescent compositionsFluorescenceSilanes
The invention relates to a preparation method of silica-coated all-inorganic perovskite core-shell structure quantum dots. The preparation method comprises the following steps: completely dissolving cesium carbonate in n-caprylic acid to obtain a cesium precursor solution, dissolving lead bromide and tetra-n-octylammonium bromide in toluene to obtain a lead bromide / toluene solution; and then, sequentially adding an aminosilane coupling agent and the cesium precursor solution into the lead bromide / toluene solution, stirring for reaction, and separating and drying an obtained product to obtain the target product. Compared with the prior art, the preparation method disclosed by the invention is simple and loose in condition, the fluorescence characteristic of the prepared product is not reduced, the stability is greatly improved compared with that of pure CsPbBr3, and the product can be used as fluorescent powder to be packaged into a photoelectric device for application.
Owner:SHANGHAI INST OF TECH
Three-dimensional high-thermal-conductivity and high-electrical-conductivity composite material, preparation method thereof and application thereof
InactiveCN107967997AReduce usageSimple preparation protocolHybrid capacitor electrodesHybrid/EDL manufactureCvd grapheneThermal conductivity
The invention discloses a three-dimensional high-thermal-conductivity and high-electrical-conductivity composite material, a preparation method thereof and an application of the composite material serving as an electrode of a supercapacitor. The preparation method comprises the steps of: 1) using a graphene oxide solution and / or graphene solution as an electrolyte, connecting a porous current collector to a positive electrode of a power supply, and performing electrodeposition to obtain a three-dimensional skeleton; 2) using the three-dimensional skeleton as a working electrode, using a raw material solution used for preparing an active substance as an electrolyte, performing cyclic scanning, and then carrying out annealing processing to obtain a three-dimensional composite material containing the active substance. The three-dimensional composite material prepared by the invention can be directly used as the electrode of the supercapacitor, the integrated electrode preparation methodavoids the usage of a polymer-based adhesive and does not require coating operation, and the preparation scheme is simple and efficient; and the prepared three-dimensional composite material has excellent thermal conductivity and electrical conductivity, has a pseudocapacitor feature, has the advantages of excellent rate performance and good electrochemical performance, and the supercapacitor using the three-dimensional composite material as an electrode has good cycle performance.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
Fully synthetic super-extreme pressure-resistant industrial gear oil
InactiveCN105886072ASimple manufacturing schemeQuality improvementLubricant compositionChemistryPetroleum
The invention discloses fully synthetic super-extreme pressure-resistant industrial gear oil which is characterized by consisting of basic oil, an antioxidant, a detergent, a dispersing agent, a corrosion inhibitor, an anti-foaming agent, a metal deactivator, a demulsifying agent, an anti-wear agent, an extreme pressure-resistant agent, sulfide fatty acid ester, petroleum sodium sulfonate, zinc naphthenate, viscosity index improvers and pour point reducers. According to the invention, the manufacture scheme is simple, the price of the prepared product is lower than that of other similar products, the quality is high, and the various performance requirements of lubricating oil can be effectively and comprehensively improved. The oxidation resistance, corrosion resistance, detergent-dispersant property, foaming resistance, rust resistance and oil sludge resistance of the lubricating oil are comprehensively improved, and the wear-resistant and extreme pressure-resistant effects are improved to the greatest degree. The service cycle of heavy load industrial gear oil is prolonged, noise of mechanical equipment, and the energy consumption is reduced. The industrial gear oil completely goes beyond the environmental-friendly requirements of existing similar products.
Owner:TIANJIN CENTURY VALAVELINE PETROLEUM CO LTD
Preparation method of porous FexCo3-xO4 nanocage, nanocage and application thereof
InactiveCN106552628ALarge specific surface areaHigh activityMaterial nanotechnologyCell electrodesFenton reactionWastewater
The invention provides a preparation method of a porous FexCo3-xO4 nanocage, the nanocage and application thereof. In a PVP solution, the morphology of Co-Co PBAs can be effectively modulated by doping iron ions into a precursor solution for preparing cobalt hexacyanocobaltate(III) (Co-Co PBAs). The porous FexCo3-xO4 nanocage can be prepared by calcining the prepared doped FeyCo1-y-Co PBAs, wherein x is equal to 0-1 and the size of the nanocage is 50-300nm. The difference between the FexCo3-xO4 nanocage and the same kind of materials previously reported in the literature lies in that the cobalt content of the doped transitionmetal-oxide nanocage prepared by the method is adjustable and the morphology and size of the nanocage are adjustable. The nanocage can be used as a catalyst of a Fenton reaction and a Fenton-like reaction. By activating PMS, PS or H2O2, active free radical species can be produced for degrading organic pollutants in wastewater.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Storage and transfer trolley for automobile sliding column assemblies
ActiveCN104401374AEasy to fixSimple preparation protocolHand carts with multiple axesMechanical engineeringEngineering
Owner:CHERY AUTOMOBILE CO LTD
Magnetic nanocomposite and preparation method thereof
ActiveCN103357435ARich varietyRapid responseOrganic-compounds/hydrides/coordination-complexes catalystsMagnetic materialsChlorideALLYL SUCROSE
The invention discloses a magnetic nanocomposite and a preparation method thereof. The preparation method comprises the following steps of: with a polyacrylic acid (PAA) modified ferrate magnetic nanocluster MFe2O4 / PAA(M=Fe, Co, Ni, Mn, Zn, Cu) as well as metal-cation-contained nitrate, sulfate, acetate, chloride and the like as precursors, sufficiently stirring to enable the metal cations and the PAA modified ferrate magnetic nanocluster to be subjected to ligand complexing, then, providing proper anion-contained reagents such as sulfide, hydroxide, fluoride, haloid and the like, and next, carrying out treatment by means of stirring, ultrasonic waves, solvothermal operation and the like to obtain the magnetic nanocomposite with the PAA as a coupling agent.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
Vanadium dioxide-based thermochromic composite film and preparation method thereof
PendingCN113185140AImprove the problem of unsightly colorGood indicationThermosensitive paintsVanadium dioxideComposite film
The invention provides a vanadium dioxide-based thermochromic composite film and a preparation method thereof, and belongs to the technical field of building energy conservation. The preparation method of the vanadium dioxide-based thermochromic composite film provided by the invention comprises the following steps: 1) preparing vanadium dioxide-based thermochromic film slurry; (2) preparing thermochromic polymer slurry; and 3) preparing the composite membrane. The preparation scheme adopted by the invention is simple, is easy for mass production, can be used in the aspects of thermochromic intelligent energy-saving films, intelligent energy-saving windows and the like for buildings and vehicles, and can realize rapid popularization of the vanadium dioxide-based thermochromic energy-saving window application technology. The composite film provided by the invention has an obvious indication effect, the problem that the color of the vanadium dioxide-based thermochromic composite film is not attractive can be improved, and the material stability and the display effect of the composite film are improved.
Owner:UNIV OF JINAN
Preparation method of nanogold-loaded magnetic nanometer catalyst
InactiveCN108212211ASimple preparation protocolCatalytic reduction reactionOrganic-compounds/hydrides/coordination-complexes catalystsNano catalystSilanes
The invention discloses a preparation method of a nanogold-loaded magnetic nanometer catalyst. The preparation method comprises the following steps of adopting a hydrothermal method for synthesizing to obtain a magnetic nanoparticle Fe3O4, and coating the magnetic nanoparticlewith silicon dioxide; modifying the silicon-coated magnetic nanoparticle through a sulfydrylsilane coupling agent: fully dispersing the silicon-coated magnetic nanoparticle into an ethanol solution, adding ammonium hydroxide and stirring, then dropwise adding a silane coupling agent solution with sulfydryl, stirring at the room temperature, magnetically separating a production, and washing; loading nanogold onto the sulfhydrylationmagnetic nanoparticle: after dispersing the sulfhydrylationmagnetic nanoparticle into deionized water, adding a nanogold solution, stirring at the room temperature, magnetically separating a production, and washing to obtain the nanogold-loaded magnetic nanometer catalyst. The preparation method provided by the invention is simple and practicable; experiment conditions are mild and easy to meet; the prepared nanogold-loaded magnetic nanometer catalyst can efficiently and quickly catalyze the reduction reaction of p-nitrophenol, and can be reutilized for not less than 8 times.
Owner:WUHAN INSTITUTE OF TECHNOLOGY
Color-development-adjustable vanadium dioxide based thermochromic composite material and application thereof
ActiveCN109575797AImprove stabilityEasy to adjustThermosensitive paintsVanadium dioxidePhotochromism
The invention relates to a color-development-adjustable vanadium dioxide based thermochromic composite material and application thereof. The vanadium dioxide based thermochromic composite material comprises a vanadium dioxide based thermochromic material and an ultraviolet photochromic material, wherein a mass ratio of the vanadium dioxide based thermochromic material to the ultraviolet photochromic material is 1:(0.1-2) and is 5:1-2:1 preferably.
Owner:SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
Olivary porous stannic oxide sensitive to hydrogen sulfide as well as preparation and application
InactiveCN104445376AGood choiceImprove responsivenessMaterial nanotechnologyTin oxidesHydration reactionOXALIC ACID DIHYDRATE
The invention relates to a preparation method of olivary porous stannic oxide sensitive to hydrogen sulfide. The preparation method comprises the steps of respectively dissolving 0.4g of surface active agent polyvinylpyrrolidone (k=30) and 0.8g of polyethylene oxide-polypropylene oxide-polyethylene oxide triblock copolymer (PEO-PPO-PEO) in a solvent prepared by 60ml of deionized water and ethanol solution in a volume ratio of 1:3; dissolving stannous chloride dihydrate and oxalic acid dihydrate in a molar ratio of 1: 10 to 1: 30 in a settled solution of (1); pouring the solution into a 100ml hydrothermal reaction kettle to have hydrothermal reaction at the temperature of 180 DEG C for 12 hours; centrifugally separating, washing and annealing a reaction product to obtain olivary porous stannic oxide nano particles sensitive to hydrogen sulfide. The prepared stannic oxide nano particles are good in selectivity and response property to toxic and harmful gas, namely hydrogen sulfide. The olivary porous stannic oxide has characteristics of simple and easy preparation method, good product performance and the like, so that the stannic oxide nano particles have good application prospects in the field of a gas-sensitive sensor.
Owner:SHANGHAI NAT ENG RES CENT FORNANOTECH
Preparation technology of low reflection infrared cutoff filter
InactiveCN108802883ARaise the ratioReduce reflectivityOptical filtersCamera filtersRefractive indexMagnesium fluoride
The invention belongs to the technical field of a low reflection infrared cutoff filter, and specifically relates to a preparation technology of a low reflection infrared cutoff filter. The preparation technology of a low reflection infrared cutoff filter has the following steps: S1, plating the surface of a base material with a magnesium fluoride film: plating the surface of the base material with the magnesium fluoride film in an electronic beam vapor plating mode, and enabling the plated base material to wait for moulding of the magnesium fluoride film; S2, plating films by means of high and low refractive index materials: plating the base material with the plated magnesium fluoride film in the step S1, with the high and low refractive index materials successively in an electronic beamvapor plating mode; and S3, lens surface processing: polishing the lens, wherein the surface flatness of the lens is not enough in the step S2 after film plating. The preparation technology of a low reflection infrared cutoff filter adjusts the film plating technology of the infrared cutoff filter, optimizes the film structure compositions, reaches the reflectivity in the condition of reducing 0 DEG and 30 DEG at the same time, is simple in the preparation scheme, and has better prepared finished product effect.
Owner:HUBEI W OLF PHOTOELECTRIC TECH CO LTD
Method for brewing health wine from sprouted buckwheat seed and buckwheat leaf tea
InactiveCN104789413AHigh in flavonoidsImprove commodityAlcoholic beverage preparationPolygonum fagopyrumHealth quality
The invention discloses a method for brewing health wine from sprouted buckwheat seeds or rice grains and buckwheat leaf tea powder. The commodity, the nutrition and the health quality of the buckwheat health wine are improved by adding the buckwheat seed or rice sprout, buckwheat leaf tea powder with high flavonoid content and modifying the liquid state fermentation process. The buckwheat health wine brewed by the method provided by invention is yellowish-brown and entirely clear, similar to yellow wine in mouth feel, has tartish and slightly sweet taste, and has intense special grain fragrance; the alcoholic strength is about 10 degrees, and the health wine does not have strong white spirit smell and is suitable for people of all ages.
Owner:GUIZHOU NORMAL UNIVERSITY
Composite additive for industrial gear oil
InactiveCN103725367ASimple preparation protocolImprove thermal stabilityAdditivesHigh resistanceEnvironmental resistance
The invention relates to a composite additive for industrial gear oil. The composite additive for industrial gear oil is basically characterized by comprising, by weight, 9-11% of an antioxidant; 8-10% of an antiwear agent; 10-12% of an anti-extreme pressure agent; 9-11% of a demulsifying agent; 10-12% of a foam inhibitor; 4-6% of a pour-point depressant; 4-6% of a tackifier; 3-4% of nanoscale copper oxide powder; 4-5% of nanoscale magnesium powder; and the balance base oil. The antioxidant is sterically hindered phenol; the antiwear agent is dialkyl dithiophosphate; the anti-extreme pressure agent is chlorinated paraffin; the demulsifying agent is polyalkoxyl polyol; the foam inhibitor is polyacrylic ester; the pour-point depressant is polyalkyl methacrylate; and the tackifier is polyisobutylene. Being economical and practical, the composite additive for industrial gear oil provided by the invention has the advantages of simple preparation scheme, strong thermal stability, good high temperature extrusion performance, strong oxidation resistance and high wear resistance, can prolong the demulsibility life, and can enhance the anti-foaming performance, and is superior to similar products in terms of comprehensive performance. The waste oil is degradable, thus improving the environmental protection requirements.
Owner:TIANJIN ZEYA TECH
Vanadium dioxide-based fluorescent composite material and application thereof
ActiveCN109337673AIncrease contactNo interactionCoatingsTenebresent compositionsVanadium dioxideUltraviolet
The invention relates to a vanadium dioxide-based fluorescent composite material and application thereof. The vanadium dioxide-based fluorescent composite material comprises a vanadium dioxide-based thermochromic material and a fluorescent material for absorbing ultraviolet emission blue light, and the mass ratio of the vanadium dioxide-based thermochromic material to the fluorescence material forabsorbing ultraviolet emission blue light is 1:(0.1-10), preferably 2:1 to 1:2.
Owner:SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
Preparation method for gear oil composite additive
InactiveCN103725362ASimple preparation protocolStrong thermal stabilityAdditivesEnvironmental resistanceMagnesium
The invention relates to a preparation method for a gear oil composite additive. The gear oil composite additive is basically characterized by comprising, by weight, 6-8% of a rusting inhibitor; 8-10% of an antiwear additive; 4-6% of an extreme pressure additive; 4-5% of a solid extreme pressure additive;7-8% of a demulsifying agent; 7-9% of a foam inhibitor; 4-5% of a viscosity index improver; 4-5% of a metal deactivator; 6-7% of boron powder; 4-6% of metal magnesium powder; and the balance base oil. Being economical and practical, the gear oil composite additive provided by the invention has the advantages of simple preparation scheme, strong thermal stability, good high temperature extreme pressure performance, strong oxidation resistance and high wear resistance, can prolong the demulsification life, and can enhance the anti-blistering performance, and the comprehensive performance is stronger than that of similar products. The waste oil can be degradable, thus enhancing the environmental protection requirements.
Owner:TIANJIN ZEYA TECH
High-alkaline-value synthetic calcium alkyl benzene sulfonate nano detergent and preparation method thereof
InactiveCN105503670AIncrease profitHigh base numberSulfonic acids salts preparationAdditivesBase oilViscosity
The invention discloses high-alkaline-value synthetic calcium alkyl benzene sulfonate nano detergent and a preparation method thereof and belongs to the field of lubricating composite preparation. The high-alkaline-value synthetic calcium alkyl benzene sulfonate nano detergent is formed by compounding synthetic calcium alkyl benzene sulfonate, ball graupel crystal type calcium carbonate and base oil; the preparation method includes the steps of (1), preparation of a synthetic calcium alkyl benzene sulfonate solution; (2), preparation of the synthetic calcium alkyl benzene sulfonate nano detergent, (3) posttreatment and the like; the alkali content of a prepared product is higher than 400 mg KOH / g, the movement viscosity at the temperature of 100 DEG C is lower than 100 mm<2> / s, the product particle size is controlled within the range of 10-100 nm according to different preparation conditions, the particle size distribution is narrow, and the high-alkaline-value synthetic calcium alkyl benzene sulfonate nano detergent has the advantages of being high in alkaline value, low in viscosity, clear, stable and the like.
Owner:ANHUI JINTONG FINE CHEM CO LTD
Preparation method and application of ionic liquid
InactiveCN105985277ASimple preparation protocolHigh puritySulfonic acid amide preparationIon contentQuaternary ammonium ions
The invention relates to a preparation method of ionic liquid. The preparation method comprises the following steps: dissolving a water-soluble compound of which negative ions are trifluoro-alkyl sulfimide ions in water to prepare a first aqueous solution; dissolving a water-soluble compound of which positive ions are quaternary ammonium ions or imidazole ions in water to prepare a second aqueous solution; mixing the first aqueous solution and the second aqueous solution together according to a mole ratio of the negative ions to the positive ions of 1:(0.9-1.1), and then performing separation to obtain a crude product; rinsing the crude product to obtain a high-purity product; and performing vacuum drying on the high-purity product to obtain the ionic liquid. The preparation scheme of the ionic liquid provided by the invention is simple and feasible, and is conducive to industrialization; the prepared ionic liquid is high in purity, low in water content, and low in foreign ion content; and the ionic liquid of this type is high in thermal decomposition temperature and low in chroma, and can be used as an antistatic agent with high optical transparence requirements for high-temperature molding plastics.
Owner:JIANGSU GUOTAI SUPER POWER NEW MATERIALS
Composite additive used for industrial gear oil
InactiveCN103725349ASimple preparation protocolImprove thermal stabilityAdditivesHigh resistanceWaste oil
The invention relates to a composite additive used for industrial gear oil. The composite additive is basically characterized by comprising, by weight, 7-9% of an antioxidant; 6-8% of an anti-abrasion agent; 5-6% of a metal deactivator; 5-7% of an antiwear agent; 4-6% of an extreme pressure agent; 8-10% of a demulsifying agent; 4-5% of a friction modifier; 5-7% of a pour point depressant; 8-10% of a foam inhibitor; 8-10% of metal magnesium powder; 4-6% of graphite, and the balance base oil. Being economical and practical, the composite additive used for industrial gear oil provided by the invention has the advantages of simple preparation scheme, strong thermal stability, good high temperature extrusion performance, strong oxidation resistance, and high wear resistance, can prolong the demulsibility life, also can enhance the anti-foaming performance, and has comprehensive performance superior to that of similar products. The waste oil is degradable, thus improving the environmental protection requirements.
Owner:TIANJIN ZEYA TECH
PDDA protonated graphite phase carbon nitride, preparation method and application thereof
ActiveCN112169754AHigh adsorption selectivityAvoid harmOther chemical processesWater contaminantsCarbon nitrideGraphite
The invention provides PDDA protonated graphite phase carbon nitride, a preparation method and application thereof. The PDDA protonated carbon nitride is prepared from the following raw materials: poly dimethyl diallyl ammonium chloride and graphite phase carbon nitride. The poly dimethyl diallyl ammonium chloride is adopted to quickly protonate the graphite phase carbon nitride, and the obtainedPDDA protonated graphite phase carbon nitride has efficient adsorption selectivity on anionic dyes.
Owner:BEIJING UNIV OF CHEM TECH
Anion adsorbent and preparation method thereof
ActiveCN110743510AImprove adsorption capacitySimple preparation protocolOther chemical processesWater contaminantsPoly(diallyldimethylammonium chloride)Sorbent
The invention discloses an anion adsorbent and a preparation method thereof, and belongs to the technical field of environmental protection technologies and chemical engineering. Na-montmorillonite and polydiallyldimethylammonium chloride (PDDA) are adopted as raw materials, and a finished product is prepared through high-speed dispersive stripping, intercalation modification and drying for powderpreparation. The PDDA in the obtained finished product and the stripped montmorillonite are subjected to an intercalation reaction to form a nanocomposite material of a montmorillonite slice layer and a polymer, and the nanocomposite material of the montmorillonite slice layer and the polymer has the good anion waste adsorption ability; and a preparation scheme of the anion adsorbent is simple and easy to implement, industrialization is easy, and the adopted materials can be circularly applied through acid pickling.
Owner:ZHEJIANG RENHENG CHEM
Water-soluble fertilizer for radically treating dead seedlings and rotted roots of vegetables and fruit trees in continuous cropping
InactiveCN110683899AImprove developmentSimple preparation protocolBiocidePlant growth regulatorsContinuous croppingSODIUM DODECYL BENZENE SULFONATE
The invention provides a water-soluble fertilizer for radically treating dead seedlings and rotted roots of vegetables and fruit trees in continuous cropping, belonging to the technical field of agriculture. The water-soluble fertilizer comprises the following raw materials in parts by weight: 10-15 parts of ammonium bicarbonate, 6-13 parts of urea, 10-15 parts of ammonium dihydrogen phosphate, 5-10 parts of potassium sulfate, 5-10 parts of calcium chloride, 5-10 parts of magnesium nitrate, 8-16 parts of humic acid, 4-9 parts of amino acid, 2-6 parts of micronutrient elements, 0.7-1.2 parts ofmixed strains, 1-5 parts of a traditional Chinese medicine composition, 0.02-0.05 part of indoleacetic acid, 4-8 parts of glutamic acid and 1.6-2.7 parts of sodium dodecyl benzene sulfonate. The water-soluble fertilizer can effectively improve the micro-ecological environment of soil, enhance soil fertility, promote the growth and development of root systems, improve the nutrient absorption capacity of root systems and avoid the dead seedlings and rotted roots of vegetables and fruit trees.
Owner:石稳详
Preparation method of grafted catalyst for continuous catalytic synthesis of isobutyl isobutyrate
ActiveCN111992247ALow priceLower conversion rateOrganic-compounds/hydrides/coordination-complexes catalystsPreparation by aldehyde oxidation-reductionPtru catalystReaction temperature
The invention relates to the technical field of catalysts, in particular to a preparation method of a grafted catalyst for continuous catalytic synthesis of isobutyl isobutyrate. An active center of the grafted catalyst prepared by the method belongs to a molecular form uniformly grafted on a carrier and is higher. Isobutyraldehyde is used as a reactant and reacts under the action of a grafting catalyst to prepare isobutyl isobutyrate, the reaction steps are few, byproducts are avoided, the reaction temperature is low, and the defects that the catalyst is inactivated and is difficult to separate from the product are overcome; besides, no byproducts except water are generated in the reaction process, the influence of water on the product is eliminated, and large-scale production can be achieved. The content of isobutyl isobutyrate in the prepared product is greater than 90%, and the requirements of industrial products are met.
Owner:RUNTAI CHEM TAIXING CO LTD
Full-transparent waterproof flexible organic memristor and preparation method thereof
ActiveCN112331773AResolve failureSimple preparation protocolSolid-state devicesSemiconductor/solid-state device manufacturingEngineeringPEDOT:PSS
The invention discloses a full-transparent waterproof flexible organic memristor and a preparation method thereof. The full-transparent waterproof flexible organic memristor comprises: a flexible substrate; a bottom electrode formed on the flexible substrate; a PEDOT:PSS organic functional layer subjected to low-temperature annealing is formed on the bottom layer electrode; and top layer electrodes which are mutually isolated and distributed on the PEDOT:PSS organic functional layer. According to the invention, the problem of performance attenuation or failure of the device due to the fact that the organic material device is easily affected by water is solved, and possibility is provided for a waterproof application scene of the organic memristor.
Owner:FUDAN UNIV
Fuel filter and process for producing a fuel filter
InactiveCN101400425AImprove retentionSmall sizeMembrane filtersStationary filtering element filtersFuel filter
The invention relates to a fuel filter 5 and to a process for producing a fuel filter, the fuel filter consisting of a filter fabric 1, a support body 2, 3 which consists of plastic and has a pump connection stub 4 attached thereto, the support body consisting of a first filter part 2 and a second filter part 3, the two filter parts 2, 3 each having a peripheral edge 8, 9 which accommodates a filter fabric 1, and connecting elements 15, 16, 18-22 being arranged on the two filter parts 2, 3 such that, when the two filter parts 2, 3 are adjoined, the surfaces 6, 7 of the two filter parts 2, 3 facing away from the filter fabric 1 come to rest on one another, such that the connecting elements 15, 16, 18-22 of the two filter parts 2, 3 interact with one another.
Owner:CONTINENTAL AUTOMOTIVE GMBH
Fully effective lubricating oil used for engine
InactiveCN105602663AHigh performance requirementsImprove antioxidant capacityLubricant compositionRheniumMechanical equipment
The invention relates to fully effective lubricating oil used for engine. The fully effective lubricating oil is composed of base oil, base liquid, lecithin, a tungsten-rhenium alloy, an anti-oxidant, clearing agent, a dispersant, a corrosion inhibitor, an anti-foaming agent, a metal passivator, a demulsifying agent, an anti-wear agent, an extreme pressure additive, and a viscosity index improver. A production scheme of the lubricating oil is simple, the price of the lubricating oil is lower than that of the other same kind products, and the lubricating oil has high quality and can effectively and comprehensively enhance the performance requirements of the lubricating oil. Anti-oxidation, corrosion resistance, detergency and dispersibility, foaming resistance, rust prevention, and oil sludge generation resistance of the lubricating oil can be comprehensively increased, and anti-wear and anti-extreme pressure performances can be increased at maximum limit. The lubricating oil can prolong the usage period, reduces noise of mechanical equipment, reduces energy consumption, and reduces tail gas discharge. The lubricating oil completely exceeds the environmental protection requirement of the current same kind products.
Owner:TIANJIN ZECHANG TECH
Engine oil deposit control additive
An engine oil deposit control additive comprises base oil, sterically hindered phenol, polyisobutylene maleimide, calcium base phenoxide, liquid vitamin (E), barium hydroxide and glyceryl monooleate. The scheme provided by the invention is applicable to all types of engine lubricating oil, and is also suitable for various types of lubricating oil, hydraulic oil and crankcase oil for machinery and equipment. The product of the invention is economical and practical, has simple preparation method, low price, prominent antioxidant effect, enhanced corrosion resistance and obvious cleaning effect. The engine oil deposit control agent can maintain and control sediment generation, suspend the formed aggregates, modify soot particles, prevent agglomeration, decrease the interface capabilities of polar substances to prevent the adsorption on the surface of metal and prolong oil change period, and has comprehensive performance better than the congeneric products.
Owner:TIANJIN ZECHANG TECH
Composite additive for industrial gear oil
InactiveCN103725364ASimple preparation protocolImprove thermal stabilityAdditivesEnvironmental resistanceDepressant
The invention relates to a composite additive for industrial gear oil. The composite additive for industrial gear oil is basically characterized by comprising, by weight, 7-8% of an antioxidant; 6-8% of a rusting inhibitor; 7-9% of a metal passivator; 8-10% of an antiwear agent; 7-9% of an anti-extreme pressure agent; 8-10% of a demulsifying agent; 2-3% of a pour point depressant; 3-5% of a friction modifier; 6-8% of a foam inhibitor; 12-14% of nanoscale metal magnesium powder; and the balance base oil. Being economical and practical, the composite additive for industrial gear oil provided by the invention has the advantages of simple preparation scheme, strong thermal stability, good high temperature extrusion performance, strong oxidation resistance and high wear resistance, can prolong the demulsibility life, and can enhance the anti-foaming performance, and is superior to similar products in terms of comprehensive performance. The waste oil is degradable, thus improving the environmental protection requirements.
Owner:TIANJIN ZEYA TECH
Environment-friendly shield tail sealing grease and preparation method thereof
The invention belongs to the technical field of shield tail sealing greases and in particular discloses an environment-friendly shield tail sealing grease and a preparation method thereof. The environment-friendly shield tail sealing grease comprises raw materials of base oil, a viscosity improver, an extreme pressure lithium base grease, calcium carbonate powder and a reinforcing fiber. The preparation method of environment-friendly shield tail sealing grease specifically comprises the following steps: S1, stirring and mixing the base oil, the extreme pressure lithium base grease and the viscosity improver, namely weighing the base oil, the extreme pressure lithium base grease and the viscosity improver in accordance with a weight ratio, and putting the components into a kneading machine;S2, adding calcium carbonate powder into the kneaded mixture, and performing continue mixing; and S3, adding the reinforcing fiber, so as to obtain a finished product. The raw materials are the baseoil, the viscosity improver, the extreme pressure lithium base grease, the calcium carbonate powder and the reinforcing fiber, the raw materials are common and low in cost, the finished product is good in lubricity, good in sealing effect, good in oxidation resistance and good in environmental performance., and the preparation scheme is simple and fast.
Owner:NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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