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54results about How to "Inert" patented technology
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PET (polyethylene terephthalate) protective film for preparing flat-panel display
InactiveCN102134458AReduce polarityImprove cohesionFilm/foil adhesivesSynthetic resin layered productsTectorial membranePolyethylene terephthalate glycol
The invention discloses a PET (polyethylene terephthalate) protective film for preparing a flat-panel display, which is characterized by comprising an optical-level PET protective film base material and low-polarity pressure-sensitive adhesive, wherein the low-polarity pressure-sensitive adhesive is coated on the upper surface of the optical-level PET protective film base material. Since the pressure-sensitive adhesive has the characteristics of low polarity and high cohesive force, is inert, and can be instantaneously attached to the surface of the glass material of the flat-panel display, the protective film prepared from the pressure-sensitive adhesive, optical-level PET protective film and the like has the characteristics of no shedding, easy stripping after coating by vaporization, no adhesive residue, no pollution, high temperature resistance and static resistance, and can effectively avoid damaging the glass lens in the stripping process.
Owner:KUNSHAN BYE MACROMOLECULE MATERIAL CO LTD
Up-conversion fluorescence immune chromatography test paper for quantitative detection of neomycin and preparation method thereof
Owner:河南百奥生物工程有限公司 +1
Immune chromatography test paper for quantitative determination of clenbuterol based on up-conversion fluorescent nanoparticle label and preparation method thereof
ActiveCN102798720AEliminate distractionsStrong specificityMaterial analysisCelluloseQuantitative determination
Owner:HENAN ACAD OF AGRI SCI
Close-pore foamed metal element with hollow ceramic and method for preparing the same
InactiveCN1843664AUniform microstructureControllable microstructureGearingCylindersMicro structureMetallurgy
The invention relates to a hollow ceramic ball sealed foam metallic element which is produced by uniformly dispersing hollow ceramic balls in fused metallic liquid and molding liquid in mould. Said invention comprises hollow ceramic balls (1) and metallic base (2). First adding preheated hollow ceramic balls into fused metallic liquid; uniformly distributing said balls via mixing decreasing temperature or / and adding thickener; pouring it into mould to be cooled and shaped. The invention has simple process, while the final foam metallic element has controllable micro structure and complex shape. And it can be directly used with few following process.
Owner:HEFEI UNIV OF TECH
Method for processing inertness of frequency-hopping FHSS wireless network facing to multi-interference circumstance application
The invention relates to the computer communication technical filed, and particularly to an inertia processing method for a frequency hopping FHSS wireless network applied to the multi-interference environment. The inertia processing method comprises a user data interface, a data interface, a hardware drive, an Ad Hoc functional module and a radio frequency module; an ARM9 chip in a core circuit of the Ad Hoc functional module is connected with a radio frequency circuit through an SPI interface, so as to achieve the transmission and the control of data; a linkage road state is determined by adopting a network protocol algorithm on the basis of a DSDV route protocol, so as to increase the inertia avoiding time cycle; when interference exists, a route trial is carried out by firstly adopting a frequency hopping FHSS, and an avoiding time interval Tinert is arranged as a configuration parameter; when frequency-hopping communication can not be achieved due to a certain route failure, and a plurality of inertia cycles are kept, a new route update strategy is started. Compared with the prior art, the inertia processing method has the advantages that the frequency of updating a route is reduced, and the inertia processing method has stronger capacity of interference resistance.
Owner:刘西钉
Biological deodorization filler with physical, chemical and biological synergistic effect
InactiveCN107021561AExtended service lifePrevent acidificationSpecific water treatment objectivesWater contaminantsSlagPollutant
The invention discloses a biological deodorization filler with a physical, chemical and biological synergistic effect. The biological deodorization filler is prepared from the following raw materials in percentage by weight: 15 to 20 percent of a shell material which achieves a neutralizing effect to adjust the pH of a system, 70 to 85 percent of a volcanic rock material for providing a microorganism growing environment and adsorbing pollutants and 1 to 15 percent of a pyrite slag material for enhancing the capacity of removing reducing pollutants. A filling mode of the biological deodorization filler is as follows: a mixture of the volcanic rock material and the pyrite slag material is used as an upper-layer filler, and the shell material is used as a lower-layer filler; a gap which is 10 to 20 mm in height is reserved between the two layers of fillers. The component materials of the biological deodorization filler are wide in source, and the biological deodorization filler has an adsorption effect on all types of pollutants in gas, is long in service life, favorable for biological growth and high in system buffer capacity and stability, enhances the removal effect on the reducing pollutants such as hydrogen sulfide and realizes regeneration of components achieving an oxidization effect.
Owner:SHANGHAI YEMA ENVIRONMENTAL PROTECTION EQUIP ENG
Ion removal from water using activated carbon electrodes
InactiveCN1371299AConductiveInertIon-exchange process apparatusIon-exchanger regenerationWater useActivated carbon
An electrode (10) for the deionization of water made with a continuous activated carbon structure. The activated carbon is derived from a synthetic carbon precursor. The structure has an opening, an inlet end (17) and an outlet end (16), allowing water to enter the inlet end, flow through the opening (12), and exit the outlet end (16); at least part of the outer surface of the structure has a conductive coating (17), the metal wire (19) is connected to the structure (10). The deionization system is composed of some electrodes (10) connected in series, and the outlet end of one electrode (10) is adjacent to the inlet end of the most adjacent downstream electrode (10). The metal wires (19) of each electrode are connected to a power source. A method of removing ions from water comprising removing air from a system, passing an electric current through the device, and then passing a stream of ion-laden water through the system to remove ions.
Owner:CORNING INC
Iron tailing unfired ceramsite and preparation method thereof
ActiveCN112794666AReduce manufacturing costIncrease productivitySolid waste managementSlagSodium silicate
The invention relates to the technical field of building materials and ceramsite preparation. An iron tailing unfired ceramsite is prepared from the following components in parts by weight: 55-65 parts of iron tailings, 15-25 parts of steel slag, 15-25 parts of fly ash, 10-15 parts of quick lime, 0.5-1 part of dihydrate gypsum, 0.5-1 part of triethanolamine, 2-4 parts of sodium hydroxide, 2-4 parts of sodium silicate and 5-10 parts of sodium bicarbonate. The preparation method comprises the following steps: carrying out ball milling on the iron tailings until the particle size is less than 300 meshes, decomposing under the action of sodium silicate and sodium hydroxide strong alkali solution, releasing active ions, and reacting with alkaline components in the solution to generate a gelling hydration product, thereby forming an alkali-activated iron tailing gelling material matrix; and meanwhile, adding, heating and decomposing sodium bicarbonate in the steam curing process to generate carbon dioxide gas which is fixed in the matrix, and finally finishing the baking-free ceramsite with the porous interior is formed after curing. According to the preparation method, a sintering process is not needed, the prepared ceramsite is good in performance in all aspects, the problems of tailing treatment and stacking are solved to a great extent, and the sustainable development strategy of ecological environmental protection is met.
Owner:SHENYANG POLYTECHNIC UNIV
Liquid phase gradient mixer
The invention discloses a liquid phase gradient mixer, comprising a first mixing chamber and a second mixing cavity, wherein the cross sections of the two mixing cavities are square; the first mixing chamber and the second mixing cavity are filled with zirconia beads; one end of the first mixing chamber is provided with a flowing phase inlet; the other end is connected with one end of the second mixing chamber via a transmission pipe; and the other end of the second mixing chamber is provided with a flowing phase outlet. In the liquid phase gradient mixer disclosed by the invention, the two mixing chambers of which the cross sections are square are adopted to serve as the containers of mixed flowing phase, wherein the two mixing chambers are connected by the transmission pipe, the flowingphase can occupy most area of the mixer, and therefore the problem of larger dead volume of the traditional static mixer is solved.
Owner:JIANGSU SKYRAY INSTR
Novel PVC (polyvinyl chloride) inorganic pigment paste and preparation method thereof
The invention discloses novel PVC (polyvinyl chloride) inorganic pigment paste and a preparation method thereof. The PVC inorganic pigment paste comprises 125-130 parts of an inorganic pigment, 80 parts of epoxidized soybean oil, 20-25 parts of dioctyl terephthalate, 20-25 parts of chlorinated n-alkane, 5-7 parts of PVC resin, 1.2-1.5 parts of a toner, 1.2-1.5 parts of a dispersing agent, 0.8-1 part of a dispersing aid and 169.5-175 parts of heavy calcium carbonate; then the PVC inorganic pigment paste is obtained through steps of mixing, heating, stirring and grinding. The PVC inorganic pigment paste is brighter in luster, free of layering and low-temperature-resistant, cannot crystallize easily, and has characteristics of capability of increasing the luster, resisting settling and resisting freezing.
Owner:福建宝利特新材料科技有限公司
Integrated wastewater treatment device and petrochemical two-level effluent water treatment method
InactiveCN105330099AHigh speedPromote growthWater treatment parameter controlWater treatment compoundsTotal nitrogenOrganic matter
The invention discloses an integrated wastewater treatment device. The integrated wastewater treatment device comprises an upward flow type reactor, an ozone reactor (7), a water tank (1) and a Venturi tube (8). The reactor sequentially comprises a denitrification region (3), a catalytic ozonation region (4) and a biological aerated filter (5) from bottom to top. A water inlet (18) is formed in the bottom of the denitrification region (3), and a water outlet (10) is formed in the top of the reactor. A first backflow opening (16) and a second backflow opening (17) are formed in the upper portion of the reactor, and the water inlet (18) is connected with the water tank (1) through a first pipeline (13) and connected with the first backflow opening (16) through a second pipeline (14). The invention further discloses a method for treating petrochemical wastewater through the integrated wastewater treatment device. The good organic matter and total nitrogen removal effect is achieved while the petrochemical wastewater is deeply treated.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
Light-driven waste water nitrogen-removal method and equipment
ActiveCN106904728AGood denitrification effectAvoid secondary pollutionTreatment by combined electrochemical biological processesWater contaminantsElectron donorLight driven
The invention relates to light-driven waste water nitrogen-removal method and equipment. The method is characterized in that a semiconductor photoanode, a resistor and a biological cathode of a nitrogen-removal biomembrane attached with electrodephile breathing are connected in series to form a nitrogen-removal circuit, the method comprises the following steps: introducing the to-be-processed sewage containing nitrate in a cathode chamber of electrochemical equipment; light irradiates the surface of the semiconductor photoanode to generate photo-induced electron; the photo-induced electron is conducted to biological cathode, the nitrogen-removal biomembrane attached with electrodephile breathing is used to complete nitrogen removal. According to the invention, light is taken as the only energy and electron source for microbe nitrogen removal, an electron donor is not added for exogenous part, extra electric energy is not required; the biological cathode is attached with the nitrogen-removal biomembrane attached with electrodephile breathing, microbe is taken as a catalyst for denitrification, and the method has the advantages of low cost, environmental protection and continuous development.
Owner:RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI +1
PVC(chlorinated polyvinyl chloride)-C power cable sleeve and production method thereof
InactiveCN107778737AImprove stabilityGood dimensional stabilityPlastic/resin/waxes insulatorsAnhydrous Calcium SulfateTemperature resistance
The invention relates to a PVC(chlorinated polyvinyl chloride)-C power cable sleeve and a production method thereof. The PVC-C power cable sleeve is characterized by being prepared from the raw materials in parts by weight: 100 to 120 parts of chlorinated polyvinyl chloride resin, 20 to 30 parts of nano anhydrous calcium sulfate, 2 to 6 parts of a heat conduction agent, 1 to 3 parts of a compoundstabilizer, 0.5 to 2.0 parts of a methyl methacrylate-butadiene-styrene copolymer, 0.2 to 1.0 part of polypropylene wax and 0.1 to 0.5 part of a coupling agent. The raw materials of the PVC-C power cable sleeve are simple and easy to obtain, so that the PVC-C power cable sleeve is low in cost, has high-temperature resistance and cold resistance, can be used within a large temperature range, is relatively high in aging resistance, can adapt to high temperature generated by overload short circuit in a use process of a high-voltage cable, has high insulation intensity and volume resistivity, andis high in flexibility, high in compressive strength, resistant to differential settlement and long in product life.
Owner:GUANGXI JINTAN PIPE IND TECH CO LTD
Anion interior-wall putty powder
The invention relates to an anion interior-wall putty powder which comprises the following raw materials, by weight, 15-28 parts of white cement, 5-16 parts of sepiolite powder, 10-30 parts of Portland cement, 1-2 parts of carboxymethyl cellulose, 5-8 parts of japonica rice gel powder, 4-8 parts of heavy calcium carbonate powder, 0.5-2 parts of marble powder and 3-9 parts of a tourmalinite powder anion additive. In comparison with the prior art, the silicate foam cement powder is added in the invention, and the silicate foam cement powder has hygroscopicity so as to help the anion interior-wall putty powder to be combined with a finish and to be polished. As the tourmalinite powder anion additive is added in the putty powder, the putty powder can generate aero-anion to purify the ambient air and promote human health. Thus, the putty powder is suitable for wall priming.
Owner:广西兴安县桂兴矿粉厂
Modified carbon fiber reinforced PEK-C composite material
The invention provides a modified carbon fiber reinforced PEK-C composite material. The PEK-C composite material is composed by mixing modified carbon fibers with PEK-C, wherein a preparation method of the composite material comprises the steps of: modification of carbon fibers, primary drying, high-speed mixing, extrusive granulation, secondary drying, and injection moulding. The PEK-C is high-temperature-resistant and self-lubricating, has excellent thermal stability and excellent mechanical performance and processability, and is widely applied in various fields. Non-processed carbon fibers have smooth surface, less active groups and high inertia, and when the carbon fibers are composited with a resin substrate, interface adhesion strength is low and high performances of the carbon fibers are difficult to achieve, which cause poor mechanical performance of the composite material; by adding the modified carbon fibers to the PEK-C, infiltration and adhesion force between fibers and the resin substrate are improved, and meanwhile, the PEK-C composite material is improved in mechanical performances.
Owner:HEILONGJIANG XINDA ENTERPRISE GRP
Airbag shell inflatable suspension proppant and preparation method thereof
ActiveCN112708413AStrong suspension abilitySpread evenlyFluid removalDrilling compositionButyl methacrylateSodium acid carbonate
The invention discloses an airbag shell inflation suspension proppant which structurally comprises a proppant body serving as a core, the surface of the proppant body is wrapped with an inner coating, and the surface of the inner coating is wrapped with an outer coating. The inner coating comprises an adhesive and a gas generating agent, and the gas generating agent is at least two of ammonium chloride, sodium nitrite, potassium nitrite, urea, sodium carbonate, ammonium carbamate, sodium bicarbonate, ammonium nitrate, potassium nitrate, sodium nitrate, acetylsalicylic acid, citric acid, sulfamic acid and oxalic acid. The outer coating comprises a capsule shell agent, and the capsule shell agent is formed by polymerizing at least two monomers of polyethylene glycol diacrylate, polyethylene glycol dimethacrylate, tert-butyl acrylate, butyl methacrylate and styrene. Under the stimulation of a certain external environment, the gas generating agent responds and decomposes to generate gas, the outer coating wraps and seals the generated gas to form an airbag, and self-suspension of the proppant in slick water is achieved under the buoyancy effect of the airbag.
Owner:CHENGDU UNIVERSITY OF TECHNOLOGY
Metal surface grinding and polishing agent and preparation method thereof
InactiveCN108192506AIncrease flow rateConsistent surface temperaturePolishing compositions with abrasivesFoaming agentAnticoagulant
The invention relates to the technical field of metal surface treatment, in particular to a metal surface grinding and polishing agent and a preparation method thereof. The metal surface grinding andpolishing agent is prepared from the following ingredients in parts by weight: 16 to 33 parts of grinding agents, 1 to 2 parts of anti-foaming agents, 0.5 to 2 parts of sodium carbonate, 0.5 to 2 parts of surfactants, 0.5 to 2 parts of fatty alcohol ammonium sulfate, 0.5 to 1.5 parts of surface dimming agents, 0.5 to 1.5 parts of corrosion inhibitors, 0.2 to 0.5 part of suspending agents, 0.2 to 0.6 part of anticoagulants and 60 to 70 parts of water. By using the metal surface grinding and polishing agent provided by the invention, during the grinding and polishing on the metal surface, the multi-time coarse grinding and medium grinding links in the middle can be reduced; the production efficiency is improved.
Owner:东莞华拓研磨材料有限公司
Concrete anti-carbonization environment-friendly coating and construction method
InactiveCN111925675AIrreversibleImprove water resistanceCovering/liningsCement mixing apparatusSlagCarbonization
The invention relates to a concrete anti-carbonization environment-friendly coating and a construction method thereof. The coating comprises the following components in parts by weight: 2-10 parts ofsilica sol; 20-80 parts of steel slag powder; 15-40 parts of a water-based fluorine-containing acrylic polymer emulsion; 15 to 30 parts of heavy calcium carbonate powder; 0.5 to 3 parts of meerschaumpowder; 0.1 to 0.5 part of nano silicon carbide whisker; 0.1 to 2.5 parts of a water reducing agent; 2-8 parts of silica fume; 20 to 60 parts of cement; and 25-80 parts of water. Through the characteristic effects and the mutual synergistic effect of the components in the formula, the concrete anti-carbonization environment-friendly coating is good in anti-carbonization effect and good in performance of multiple properties, and can be widely applied to construction of various concrete base surfaces to form an anti-carbonization environment-friendly coating.
Owner:江西奇信集团股份有限公司
Nutrient for promoting animal growth and its preparing process
InactiveCN1593511AReduce the cost of farmingInertMetabolism disorderUnknown materialsSodium bicarbonateGrowth promotion
The invention discloses a animal growth promotion nourishing agent which comprises animal blood 25-30kg, bran flour 16-20kg, calcium oxide powder 0.1-0.5kg, yeasts 0.005-0.01kg, ferrous sulfate 0.015-0.03kg, copper sulphate 0.005-0.01kg, zinc sulphate 0.005-0.015kg, manganese dioxide or manganese sulphate 0.015-0.025kg, cobalt chloride 0.0012-0.005kg, potassium iodide 0.003-0.005kg, sodium hydrogen carbonate 0.25-1.5kg, sodium sorbate or potassium sorbate 0.05-0.075kg. The invention also discloses the method for producing the nourishing agent.
Owner:王贵荣
Cast titanium alloy applicable to 560 DEG C-650 DEG C
The invention provides a cast titanium alloy applicable to 560 DEG C-650 DEG C. The cast titanium alloy comprises Ti, Al, Sn, Zr, Mo, Nb, Si, Ta and / or C, and the balance impurities. The cast titanium alloy is based on a Ti-Al-Sn-Zr-Mo-Si system basis, the content of Sn element reducing a casting property is controlled strictly, meanwhile, the content of all the elements is adjusted, and a small quantity of Nb, Ta and C elements are added properly. The cast titanium alloy is excellent in casting property, little in cracking tendency, capable of being used for a long time at 550 DEG C, and capable of serving for a short time at 600 DEG C-650 DEG C, and the creep resistance and the heat stability of the cast high-temperature titanium alloy can meet the use requirement at a high temperature.
Owner:重庆两航金属材料有限公司
Preparation method of nanometer alumina doped polyimide film
The invention discloses a preparation method of a nanometer alumina doped polyimide film. The method specifically comprises: 1) selecting a proper amount of pyromellitic dianhydride (PMDA) and 4,4'-diamine diphenyl ether (ODA); and 2) mixing the selected materials, weighing a certain amount of the pre-prepared nanometer oxide dispersion of aluminum, adding a required solvent according to a certain solid content, diluting, carrying out high-speed stirring, adding to a three-necked flask filled with ODA, and stirring until completely dissolving. According to the present invention, the nanometer alumina particle solution is added during the solution mixing, such that the polyimide film can be reinforced and toughened, and the wear resistance of the polyimide film can be significantly improved.
Owner:刘庆祝
Cleaning fiber and method for using cleaning fiber for cleaning well
The invention relates to a cleaning fiber and a method for using the cleaning fiber for cleaning a well and belongs to the technical field of cleaning a wellhole of a petroleum drilled well. The cleaning fiber is made of raw single fiber polypropylene, in the shape of a long thread and has the length ranging from 12mm to 13mm and the diameter of 21micrometers. The cleaning fiber is made of the raw single fiber polypropylene and has the features of being resistant to heat, high in strength and dispersion, sluggish and the like. The cleaning fiber is made into short fibers which are 12mm to 13mm long and have the diameter of 21micrometers. The short fibers are added into drilling liquid and do not change the property of the drilling liquid. The cleaning fibers in the blended fiber cleaning thick liquid can improve the cutting-carrying capacity of the drilling liquid in a multiplied mode and the well cleaning efficiency is greatly higher than that of regular pure drilling liquid for cleaning.
Owner:北京格瑞迪斯石油技术有限公司
Device using low-temperature composite catalytic oxidization to treat volatile organic chemicals (VOCs)
InactiveCN106731442AReduce molecular activityIncrease storage spaceGas treatmentDispersed particle separationCatalytic oxidationEnvironmental engineering
The invention discloses a device using low-temperature composite catalytic oxidization to treat volatile organic chemicals (VOCs). The device comprises a waste gas balance system, an efficient preprocessing tower, a composite catalytic oxidation tower, a catalytic oxidation system and a monitoring gas discharge cylinder, wherein the front end of the efficient preprocessing tower is connected with the waste gas balance system, the rear side of the efficient preprocessing tower is connected with the composite catalytic oxidation tower, the lower portion of the composite catalytic oxidation tower is communicated with the catalytic oxidation system, and the gas vent of the composite catalytic oxidation tower is communicated with the monitoring gas discharge cylinder. The device has the advantages that the device is simple in structure and capable of greatly increasing the treating effect of the VOCs, the application field of the device can be expanded, and the device can be conveniently popularized and used in industry.
Owner:郭秋婷
Mold assembly for forming element and forming method thereof
InactiveCN1990208AImprove qualityGood yieldOptical articlesGlass pressing apparatusOptic lensSingle crystal
Mold assemblies for forming optical elements including a support material and a molding material are disclosed and described. In one aspect, the molding material can include a single crystal diamond coupled to the support material and includes a working surface defining a shape to be imparted to an optical element to be pressed in the mold assembly. In another aspect, the molding material can include a PCD compact coupled to the support material and includes a working surface defining a shape to be imparted to an optical element to be pressed in the mold assembly. In yet a further aspect, the molding material may include a cermet composite coating material which provides a gradient of one material coupled to the support material to another material at a working surface of the molding material which defines a shape to be imparted to an optical element to be molded. The present invention can improve the quality of the optics lens or other device and manufacturing capacity.
Owner:宋健民
Hydrogenation catalyst and preparation method thereof
PendingCN114797842AInertReduce inertiaOrganic chemistryOrganic compound preparationPlatinumPtru catalyst
The present invention provides a hydrogenation catalyst, the hydrogenation catalyst comprises a carrier and an active component having a catalysis effect, the carrier comprises alpha-Al2O3 and MgO, and the active component comprises a platinum element. According to the invention, alumina with a specific crystal form is used as an inner core and is coated with a basic oxide to form a composite carrier, and then a noble metal is loaded on the composite carrier to obtain the hydrogenation catalyst. The hydrogenation catalyst is applied to a reaction for preparing OPP through hydrogenation hydrogenolysis of dibenzofuran, and has the characteristics of high OPP selectivity, few byproducts, good stability, long service life and the like. More active noble metals in the hydrogenation catalyst are dispersed on the surface of the carrier, so that the use amount of noble metal components is reduced. The hydrogenation catalyst is simple in preparation process and easy for large-scale production. Therefore, the hydrogenation catalyst provided by the invention has excellent industrial application prospects.
Owner:SHANGHAI ZHONGHUA TECH CO LTD +1
Self-heat-release high-potential cathode material for thermal battery and preparation method of self-heat-release high-potential cathode material
InactiveCN111613797ALower reaction barrierPromote meltingDeferred-action cellsCell electrodesElectrical batteryThermal Battery
The invention belongs to the technical field of thermal battery positive electrode manufacturing, and particularly relates to a self-heat-release high-potential cathode material for a thermal batteryand a preparation method of the self-heat-release high-potential cathode material. The material is prepared by mixing a combustion agent, an oxidant, a combustion improver, a conductive agent and a depolarizer. The cathode material for the thermal battery can be used as a heat source to burn and release heat, and the battery is activated. The cathode material can be used as an electrode active substance to output electric energy, is high in output voltage, good in thermal stability and suitable for a high-specific-energy and long-time thermal battery, and a thermal battery prepared from the self-heat-release high-voltage thermal battery cathode material has the characteristics of high working voltage and large output capacity.
Owner:GUIZHOU MEILING POWER SUPPLY CO LTD
One time write-in-type blue light storing inorganic medium and method for making same
InactiveCN101038767AHigh optical contrastImprove stabilityRecord information storageRecord carrier materialsComposite filmOptical contrast
A one-off blue-light storage inorganic medium and a manufacturing method thereof are provided. The one-off blue-light storage inorganic medium is a Sb-Sb2O3-SiO2 composite thin film which is prepared on a substrate by stibium Sb and silicon Si through a reactive magnetron sputtering method, and which comprises three components of Sb, Sb2O3 and SiO2, wherein the mol percent of Sb is 10%-70%, the mol percent of Sb2O3 is 10%-40%, the mol percent of SiO2 is 20%-80%. The blue-light storage inorganic medium of the invention prepared by the reactive magnetron sputtering method has a high optical contrast and stability before and after layer action.
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
Polyvinyl chloride composite material and preparation process thereof
The invention discloses a polyvinyl chloride composite material and a preparation process thereof and belongs to the technical field of cable materials. The polyvinyl chloride composite material comprises the following components in parts by weight: 80-120 parts of polyvinyl chloride, 3-8 parts of nitrile rubber, 50-70 parts of a plasticizer, 2-8 parts of a lubricant, 10-30 parts of a flame retardant, 3-5 parts of a rubber vulcanization promoter, 10-30 parts of auxiliary aids and 3-5 parts of a tetrafluoroethylene copolymer. A conventional polyvinyl chloride composite material is relatively low in dosage of a single plasticizer and insufficient in material flexibility, and as the content ratio of the plasticizer to the polyvinyl chloride in the polyvinyl chloride composite material is approximate to 1:2, the flexibility and the cutting property of the product are greatly improved. Meanwhile, materials are mechanically mixed in different batches and further commixed, mechanical mixing and extrusion conditions are adjusted according to properties of different substances sufficiently, and thus the comprehensive properties of the product are effectively improved.
Owner:宁波宁港线缆制造有限公司
Preparation method of novel low-noise EVA (ethylene vinyl acetate copolymer) cable material
ActiveCN104744804AReduce noise valueGood compatibilityPlastic/resin/waxes insulatorsLow noiseWater baths
The invention provides a preparation method of a novel low-noise EVA (ethylene vinyl acetate copolymer) cable material. The preparation method comprises the following steps: (1) crushing natural corals, adding into a sodium hydroxide solution, performing ultrasonic cleaning after soaking, taking out, and drying to obtain coral powder; (2) performing ball milling on the coral powder, adding into an ethanol solution, mixing to obtain a suspension, adding polyethylene glycol, then performing magnetic stirring, discharging, performing vacuum drying, taking out, grinding, and screening to obtain modified coral powder; (3) soaking nano boron fibers in a methylbenzene solution, drying until the weight is constant, adding into a potassium permanganate solution, performing thermostatic water bath treatment, discharging, and drying until the weight is constant to obtain modified nano boron fibers; and (4) mixing the modified coral powder and an EVA glue solution to obtain a mixed glue solution, soaking the modified nano boron fibers into the mixed glue solution, twisting in parallel, cutting, putting a unidirectional fiber pre-soaking fabric into a flat mold, and performing hot pressing molding in a hot press, thereby obtaining the low-noise EVA cable material. The cable material prepared by the method provided by the invention is relatively good in noise resistance and can be used for low-noise cables.
Owner:CGN DELTA (ZHONGSHAN) POLYMER CO LTD
Simple and convenient method for improving performance of on-line recycling membrane closed system for rinsing wastewater of tin-plating
InactiveCN106215707APrevent complex contamination from formingImprove performanceSemi-permeable membranesSpecific water treatment objectivesTin platingWastewater
The invention relates to a simple and convenient method for improving the performance of an on-line recycling membrane closed system for rinsing wastewater of tin-plating. The method comprises the step of adding a proper amount of sodium aminotrimethylene phosphonate to the on-line recycling membrane closed system, so that the concentration of sodium aminotrimethylene phosphonate on the thick side of a membrane in the system is 1.0 to 100 ppm. Compared with the prior art, the method provided by the invention has the advantages that the performance of the on-line recycling membrane closed system is greatly improved, the cost is reduced, the operation can be continuous, secondary pollution is avoided, and the like.
Owner:SHANGHAI JIAO TONG UNIV
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