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288results about How to "High temperature stability" patented technology
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Ceramic microtruss
InactiveUS7687132B1High temperature stabilityHigh strengthMetal-working apparatusGirdersCeramicMicrostructure
An ordered ceramic microstructure and a method of making the same. In one embodiment, the ceramic microstructure includes a base structure and one or more ceramic layers. The base structure includes a plurality of first truss elements defined by a plurality of first self-propagating polymer waveguides and extending along a first direction, a plurality of second truss elements defined by a plurality of second self-propagating polymer waveguides and extending along a second direction, and a plurality of third truss elements defined by a plurality of third self-propagating polymer waveguides and extending along a third direction. Here, the first, second, and third truss elements interpenetrate each other at a plurality of nodes to form a continuous material, and the base structure is self-supporting. In addition, the ceramic layers coat a surface of at least one truss element of the first truss elements, the second truss elements, or the third truss elements.
Owner:HRL LAB
Non stoichiometric tetragonal copper alkaline earth silicate phosphors and method of preparing the same
ActiveUS20090050849A1High temperature stabilitySensitivity against humidityGas discharge lamp usageLuminescent compositionsChemistryColor temperature
Disclosed are non stoichiometric Copper Alkaline Earth Silicate phosphors activated by divalent europium for using them as high temperature stable luminescent materials for ultraviolet or daylight excitation. The phosphors are represented as the formula (BauSrvCawCux)3-y(Zn,Mg,Mn)zSi1+bO5+2b:Eua. The nonstoichiometric tetragonal silicate is prepared in a high temperature solid state reaction with a surplus of silica in the starting mixture. Furthermore, luminescent tetragonal Copper Alkaline Earth Silicates are provided for LED applications, which have a high color temperature range from about 2,000K to 8,000K or 10,000K showing a CRI with Ra=80˜95, when mixed with other luminescent materials.
Owner:SEOUL SEMICONDUCTOR
Composite of modified road asphalt by microwave radiating old rubber powder and its preparation process
InactiveCN1597782AGood dispersionGood physical and mechanical propertiesBuilding insulationsWaxMicrowave
The invention relates to a microwave-irradiated waste-rubber powder modified pitch combination and its preparing method, using higher-wax content pitch as a substrate, adding in powdery butadiene-styrene rubber and microwave-irradiated waste rubber powder, and making high-speed cutting and uniform commixing to make the modified pitch. The modified pitch has the characters of high-temperature stability, obviously increased low-temperature extensibility, good antiaging property, etc, has road performance synthetically improved and can act as high-grade road pitch for use.
Owner:NORTHWEST NORMAL UNIVERSITY
Cathode active material for lithium secondary battery
ActiveUS20110081578A1High battery capacityHigh temperature stabilityPositive electrodesLi-accumulatorsCobalt oxideChemistry
Disclosed herein is a cathode active material based on lithium nickel-manganese-cobalt oxide represented by Formula 1, wherein the lithium nickel-manganese-cobalt oxide has nickel content of at least 40% among overall transition metals and is coated with an ion-conductive solid compound at a surface thereof. A lithium secondary battery having the disclosed cathode active material has advantages of not deteriorating electrical conductivity while maintaining high temperature stability, so as to efficiently provide high charge capacity.
Owner:LG ENERGY SOLUTION LTD
Electrolysis solution and preparation method thereof as well as preparation method for obtained aluminum capacitor
ActiveCN101556867AIncrease the flash voltageStrong corrosion resistanceLiquid electrolytic capacitorsChemistryCorrosion
The invention relates to electrolysis solution and a preparation method thereof as well as a preparation method for an obtained aluminum capacitor. The electrolysis solution is composed by the components according to the following weight by parts: 38.5-85.7 wt % of primary solvent, 5-25 wt % of auxiliary solvent, 4-20 wt % of solute, 5-15 wt % of modified additive, 0.2-1 wt % of hydrogen eliminating agent and 0.1-0.5 wt % of waterproof combination agent. The primary solvent is glycol; the auxiliary solvent is one or more of tributyl phosphate, mono butyl ester phosphate, diglycol dibutyl ether; the solute is one or more of ammonium sebacate, 1.6-dodecyl ammonium bisgallic acid, 1.10-dodecyl ammonium bisgallic acid organic carboxylate. In the preparation method for the aluminum capacitor using the electrolysis solution, positive pressure and vacuum-pumping is required to be applied in an impregnation tank in an alternate recycle way with the recycle impregnation interval period being 20-60min.The electrolysis solution has the characteristics of high temperature resistance, high sparking pressure and strong corrosion resistance. The screw large capacitor has a service life of 8,000 hours at 105 DEG C or 2,000 hours at 125 DEG C.
Owner:GUANGDONG FENGHUA ADVANCED TECH HLDG
Preparation method of high-performance magnesium alloy plate with double-phase structure
Owner:INNER MONGOLIA UNIV OF SCI & TECH
Chemical vapor deposition method of Si-B-C-N amorphous ceramic
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Multi-coating cutting tool deposited in periodicity and preparation method thereof
ActiveCN101690978AAntioxidantHigh temperature stabilityLayered productsTurning toolsOxidation resistantHardness
Owner:ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO LTD
Wide-scope modified asphalt and preparation method thereof
InactiveCN101974235AImprove high temperature stabilitySimple production processBuilding insulationsDuctilityButadiene-styrene rubber
The invention relates to modified asphalt for road repairing and building, in particular to wide-scope modified asphalt and a preparation method thereof. The wide-scope modified asphalt is prepared by a method comprising the following steps: (1) taking 91-95 weight parts of hot asphalt at the temperature of 130-140DEG C as the main raw material; (2) taking 2-4 weight parts of powder butadiene styrene rubber as a first modifier; and (3) taking 3-5 weight parts of Tissuemat E as a second modifier, and mixing the components and preparing into the wide-scope modified asphalt. The wide-scope modified asphalt in the invention has high-temperature stability which is indicated by the softening point larger than 70DEG C and low temperature flexibility which is indicated by the ductility at 5DEG C larger than 150cm, as well as high bonding strength of 0.6MPa and simple production process, and is an asphalt product being convenient for application and dissemination.
Owner:河南金欧特实业集团股份有限公司
Cathode active material for lithium secondary battery
ActiveUS20110062378A1High battery capacityHigh temperature stabilityConductive materialNon-aqueous electrolyte accumulator electrodesMetalNickel content
Disclosed herein is a cathode active material based on lithium nickel oxide represented by Formula 1, wherein the lithium nickel oxide has a nickel content of at least 40% among overall transition metals and is coated with a polymer having a melting point of 80 to 300° C. at a surface thereof. A lithium secondary battery having the disclosed cathode active material has advantages of not deteriorating electrical conductivity while maintaining high temperature stability, so as to efficiently provide high charge capacity.
Owner:LG ENERGY SOLUTION LTD
High-temperature speckle and controllable preparation method
ActiveCN108195298AGood high temperature resistance and high temperature adsorption performanceImproves curing strength and stabilityUsing optical meansToxicityEnvironmental resistance
The invention discloses a high-temperature speckle and controllable preparation method thereof. The high-temperature speckle uses a sodium silicate solution as a matrix, silicon dioxide powder and auxiliary additive powder are added to form a mixed liquid, the characteristics of short curing time, low curing temperature, good high-temperature-resistant performance, no toxicity and environmental protection are achieved, and sodium silicate itself has relatively high high-temperautre-resistant performance and high-temperature adsorption performance, and is suitable for being used for high-temperature speckle manufacture; a speckle template having a speckle pattern is prepared, thereby controlling the speckle size and speckle distribution; the speckle template can be repeatedly used, therebyfurther improving preparation efficiency; and after heating stirring, vacuumizing and gradient warming treatment, occurrence of a speckle bubbling phenomenon can be effectively reduced; materials of the high-temperature speckle are all conventional reagents, and are non-toxic under a normal using condition, thereby facilitating engineering practical application and large-scale manufacture; and thespeckle can meet a non-contact measurement requirement in high-temperature complex environments (thermal shock, and tension and compression deformation).
Owner:TSINGHUA UNIV
Alcohol dehydrogenases with increased solvent and temperature stability
The invention relates to biocatalysts showing alcohol dehydrogenase activity obtainable from Rhodococcus ruber, their preparation, their use in the oxidation of secondary alcohols and / or the reduction of ketones, as well as nucleic acids coding for these alcohol dehydrogenases and microorganisms transformed with nucleic acids coding for these biocatalysts and their use for producing the biocatalyst or oxidizing secondary alcohols and / or reducing ketones.
Owner:CODEXIS INC
Separator for lithium secondary battery
InactiveUS20130244080A1High temperature stabilityExcellent characteristicsCell seperators/membranes/diaphragms/spacersFinal product manufactureIsocyanateCoating
A separator for a lithium secondary battery includes a coating layer including an organic / inorganic bindable silane compound having a reactive functional group, the reactive functional group being selected from the group consisting of amino groups, isocyanate groups, epoxy groups, mercapto groups, and combinations thereof; and an inorganic compound. The separator has excellent high temperature stability.
Owner:SAMSUNG SDI CO LTD
Advanced erosion resistant carbide cermets with superior high temperature corrosion resistance
InactiveUS20040231459A1High temperature stabilityAvoid erosionReversed direction vortexMetal-working apparatusCorrosion resistantCermet
Cermets are provided in which a substantially stoichiometric metal carbide ceramic phase along with a reprecipitated metal carbide phase, represented by the formula MxCy, is dispersed in a metal binder phase. In MxCy M is Cr, Fe, Ni, Co, Si, Ti, Zr, Hf, V, Nb, Ta, Mo or mixtures thereof, x and y are whole or fractional numerical values with x ranging from 1 to 30 and y from 1 to 6. These cermets are particularly useful in protecting surfaces from erosion and corrosion at high temperatures.
Owner:EXXON RES & ENG CO
Composite Tape For Use In Tape Laying Machines
InactiveUS20100282404A1Easy to cleanFacilitated releaseDecorative surface effectsAdhesive articlesResin matrixEngineering
Owner:HEXCEL COMPOSITES LTD (GB)
Biodegradable quasi dry cutting oil and preparation method thereof
InactiveCN102002419AGood lubricityGood extreme pressure and anti-wear propertiesLubricant compositionChemistryPolyester
The invention relates to the technical field of chemistry, in particular to biodegradable quasi dry cutting oil and a preparation method thereof. The biodegradable quasi dry cutting oil is characterized in that the cutting oil is prepared from the following raw materials in percentage by weight: 30 to 40 percent of diester, 30 to 40 percent of polyol ester, 20 to 30 percent of poly alpha-olefin PAO20, 5 to 6 percent of zinc dialkyl dithiophosphate (ZDDP), 2 to 3 percent of polyester and 1 to 2 percent of N-laurel acyl alanine. Compared with the prior art, the cutting oil has good lubricating property and extreme pressure abrasion resistance, is biodegradable, and reduces the environmental pollution to minimum.
Owner:上海通快实业有限公司
Powder metallurgy friction material for high-speed train braking and preparation method of powder metallurgy friction material
InactiveCN109518100AImprove high temperature friction performanceImprove self-shear strength and compressive strengthPowder metallurgyCopper plating
The invention relates to the technical field of brake materials, in particular to a powder metallurgy friction material for high-speed train braking and a preparation method of the powder metallurgy friction material. The powder metallurgy friction material is prepared from the following raw materials: copper powder, iron powder, copper-plated flake graphite, copper-plated graphite granules, chromium iron powder, molybdenum disulfide powder and alumina fiber through a powder metallurgy process. The powder metallurgy friction material has good mechanical properties, and is stable in friction coefficient, small in abrasion loss and good in thermal failure resistance; through the adopted raw materials and the ratio, the friction material with excellent properties can be prepared at the relatively-low sintering pressure and temperature, energy consumption is saved, a preparing process is simple and easy to control, the performance is excellent, and good application prospects are achieved.
Owner:BEIJING TIANRENDAOHE NEW MATERIAL CO LTD
A negative plate lead paste used for starting and stopping lead-carbon super batteries with high performance and a preparation method thereof
ActiveCN109103426AImprove conductivity and capacitive activityImprove stabilityElectrode manufacturing processesLead-acid accumulatorsCarbon compositesGraphene
The invention belongs to the technical field of lead-acid batteries, in particular to a negative plate lead paste used for starting and stopping lead-carbon super batteries with high performance and apreparation method thereof. The carbon material used in the negative plate lead paste prepared by the invention is graphene, the homogeneous dispersion of graphene, lead powder and hydrogen evolutioninhibitor in lead paste is achieved by using aniline oligomer derivative as graphene dispersant and ball milling process. The graphene agglomeration is avoided, and a good lead-carbon composite structure is established, and the hydrogen evolution reaction of lead-carbon negative electrode is inhibited. The negative plate lead paste prepared by the invention adds xanthan gum or sodium alginate tocompletely or partially replace the traditional polyester fiber as a binder, so that the emulsifying stability, adhesion and adhesion of the negative electrode lead paste are effectively improved, andthe problems of serious water loss and easy shedding of active materials in the cycle process of lead-carbon batteries are solved, and the charging acceptance and cycle life of the lead-carbon batteries are remarkably improved.
Owner:ZHEJIANG TIANNENG BATTERY JIANGSU
Preparation method of FeSiAl/Mn-Zn ferrite composite magnetic powder core
InactiveCN106373697AHigh temperature stabilitySolve the magnetic dilution problem of non-magnetic phaseTransportation and packagingMetal-working apparatusEpoxyManganese
Owner:GUANGDONG UNIV OF TECH
High temperature anti-slag anti-coking coating
Owner:JIANGXI HENGDA HI TECH CO LTD
High-temperature phase-changing composite heat storage ceramic matrix material and preparation method thereof
InactiveCN108017403ALarge latent heat of phase changeHigh temperature stabilityProductsReagentsFiberEnergy conversion efficiency
Owner:TIANJIN QIZHEN ENERGY SAVING TECH CO LTD
Composition of anode of low-polarization thermal battery
The invention discloses a composition of an anode of a low-polarization thermal battery. The composition of the anode of the thermal battery comprises the following components in percentage by weight: 50-88 percent of pyrite, 1-15 percent of lithium oxide and 5-30 percent of low melting point eutectic salt. In the invention, two functional materials are added to an anode active substance so as to improve the electrochemical property of the thermal battery anode and the stability of battery output voltage, wherein one functional material is used for enhancing the wetting property of the anode and electrolyte and reducing polarization, while the other functional material is used for carrying out thermal protection on the anode active substance, improving the conducting property of the anode and reducing the polarization.
Owner:GUIZHOU MEILING POWER SUPPLY CO LTD
Ceramic/metal high-temperature packaging material of gradient structure and preparing method thereof
Owner:WUHAN UNIV OF TECH
High-conductivity creep-resistant aluminium alloy cable conductor containing Hf and Ce and preparation method thereof
ActiveCN102760508AImproved heat resistance and creep resistanceImprove high temperature performanceMetal/alloy conductorsCable/conductor manufactureAlloy elementElectric energy
The invention discloses a high-conductivity creep-resistant aluminium alloy cable conductor containing Hf and Ce and a preparation method thereof. The aluminium alloy cable conductor disclosed by the invention is composed of the following constituents in percentage by mass: 0.3-1.1% of Fe, 0.1-0.5% of Cu, 0.01-0.2% of Hf, 0.01-0.05% of B, 0.02-0.1%, and the balance of Al. The preparation method comprises the following steps of: proportioning according to the designed alloy constituents, smelting and pouring, homogenizing-annealing and hot-extruding, cold-drawing and annealing to finally obtain the aluminium alloy cable conductor. The aluminium alloy cable conductor prepared by the preparation method disclosed by the invention has an elongation after fracture being greater than 25%, tensile strength being greater than 110 MPa, and conductivity being 61.0-62.5%. By using the conductor manufactured by the preparation method disclosed by the invention, transmission capacity can be increased and electric energy loss can be reduced due to the introduction of other alloy elements; and moreover, many high-temperature stable phases are distributed on the crystal boundaries and in the crystals of alloys, so that the high-temperature performance and the creep-resistant performance of the alloy conductor can be improved, thus guaranteeing the service life and safety of the conductor.
Owner:CENT SOUTH UNIV +1
Biological type micro lubricating oil and preparation method and application thereof
InactiveCN101654636AImprove the lubrication effectImprove extreme pressure performanceAdditivesBase-materialsPhosphatePollution
Owner:SHANGHAI JINZHAO ENERGY SAVING TECH
Dendritic multi-amino polymer drilling fluid used for mud rock well drilling
ActiveCN104130758AEnhanced inhibitory effectReduce plasticityDrilling compositionPotassiumWell drilling
Owner:CHINA PETROLEUM & CHEM CORP +1
Rare earth ceramic reinforced molybdenum alloy and preparation method thereof
ActiveCN102690984ARaise the recrystallization temperatureLower plastic-to-brittle transition temperatureRare earthAlloy
Owner:HENAN UNIV OF SCI & TECH
Working electrolyte for ultrahigh-voltage aluminium electrolytic capacitor and manufacturing method thereof
InactiveCN104240956AMeeting urgent needsExtend your lifeElectrolytic capacitorsElectrolytic agentUltra high voltage
Owner:上海洪微电子科技有限公司
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