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Three-dimensional porous current collector as well as preparation method and use thereof
ActiveCN104716330AFull pore volumeImprove cycle lifeElectrode manufacturing processesElectrode carriers/collectorsCopper foilMetal
The invention discloses a three-dimensional porous current collector which is used as a negative current collector of a metal secondary battery. At least one surface of the three-dimensional porous current collector is provided with a porous structure, sufficient in pore volume and moderate in thickness. Compared with a flat current collector, a metal negative electrode loaded on the three-dimensional porous current collector can be used for effectively restraining the formation of dendritic crystals, so that the safety of the metal negative electrode is improved, the cycle life of the metal negative electrode is long, and the voltage polarization of the metal negative electrode is small. The three-dimensional porous current collector can be prepared from a flat copper foil, and can be prepared through simple steps. The method for preparing the three-dimensional porous current collector is simple, suitable for large-scale production and very high in practicability, and the raw materials are easily available.
Owner:INST OF CHEM CHINESE ACAD OF SCI
Desert control method of chemical sand-fixing greening technology based on organic composite materials
ActiveCN101548595AAvoid flowModerate thicknessClimate change adaptationAfforestationThermal insulationSoil horizon
The invention discloses a desert control method of a chemical sand-fixing greening technology based on organic composite materials, and the desert control method is characterized in that hydrophilic polyurethane resin curing agent solution is sprayed on a sand or soil layer of greening objects for sowing the vegetation for forming a porous fixed sand layer. The fixed sand layer formed by the method has appropriate thickness and strength, good durability, good anti-freeze and melt properties and functions of water retention, thermal insulation, ventilation, vegetation and the like. According to the method of the invention, the stable and effective solidifying can be carried out on sand even under the specific desert environments of no abundant groundwater sources and strong wind erosion, and the purpose of vegetation greening can be also realized. The method has large-scale construction properties and good economic performances, thereby being applicable to the needs of large-scale chemical sand fixing and vegetation greening of the vast desert and realizing the plant greening function and the ecological restoration and the control of desertified land.
Owner:江苏艾特克环境工程设计研究院有限公司 +2
Processed cheese and preparation method thereof
The invention discloses a processed cheese and a preparation method thereof. The preparation method comprises the following steps of: (1) melting and mixing raw materials, wherein the raw materials include natural cheese, sweetener, butter oil, emulsifying salt, alcohol ester emulsifying agent, stabilizer and water, and the stabilizer is one or more than one of the group consisting of carrageenan, gelatin, agar, locust bean gum, sodium alginate and konjac glucomannan; (2) homogenization and pasteurization; (3) hot-pouring the mixture into a mould, inserting a rod, cooled by icy water or forming by cooling tunnel, and demoulding to obtain formed cheese; and (4) performing instant liquid nitrogen spraying on the surface of the formed cheese obtained from the step (3), coating, and cool-drying by sterilized air to obtain the finished product. The processed cheese with surface coating according to the invention fills in the blanks in the prior art, is more diversified in taste, better in sense of hierarchy and more in change of variety, and increases own added value remarkably.
Owner:上海光明奶酪黄油有限公司
Light high elasticity deodorant rubber spongy cushion for shoes and preparation method thereof
The invention provides a light high elasticity deodorant rubber spongy cushion for shoes and a preparation method thereof. The light high elasticity deodorant rubber spongy cushion comprises components based on parts by weight: 50-150 parts of natural rubber, 2-50 parts of cis-butadiene rubber, 2-3 parts of sulphur, 0.8-4.5 parts of vulcanization accelerator, 1.5-5 parts of sulfurization activator, 1.5-2.5 parts of foaming agent, 15-25 parts of stearic acid, 35-45 parts of filler and 1.5-3 parts of deodorant. The rubber spongy cushion has reasonable elasticity and light specific gravity, reduces the fatigue degree when being worn, is good in the effect of preventing funguses such as candida albicans, staphylococcus aureus, bacillus coli and the like as well as bacteria, and greatly improves the hygiene and the functionality of the rubber shoes; furthermore, the rubber spongy cushion prepared by the method has proper thickness, so as to improve the comfort feeling. In addition, the materials selected by the invention can be easily obtained, and the invention has the advantages of low cost, simple preparation method, easy implementation and good performance of the produced product.
Owner:JIHUA 3537 SHOE MAKING
Method for manufacturing 3D facial mask and 3D facial mask manufactured through method
ActiveCN104721061AImprove tensile propertiesAvoid it happening againCosmetic preparationsToilet preparationsFacial skinPlasticizer
The invention relates to the field of cosmetics, and in particular relates to a method for manufacturing a 3D facial mask and the 3D facial mask manufactured through the method. The method comprises the steps of scanning facial skin to obtain the skin condition and a surface image; according to the surface image, building a three-dimensional mold; and according to the skin condition, printing a facial mask solution into the three-dimensional mold, so as to obtain the 3D facial mask. The facial mask solution comprises water, a facial mask forming agent, a plasticizer, a surface activity agent and functional components. The experiment proofs that after being printed, the facial mask solution adopted in the manufacturing method can achieve rapid facial mask forming and proper facial mask forming thickness, and before and after the solution is printed, the physicochemical property of the solution is not obviously changed; and stretch resistance capacity is good, and the excessive adhesion phenomenon is not caused.
Owner:GUANGZHOU SALIAI STEMCELL SCI & TECH CO LTD
Control method for uniformly laminating multi-layered PCB
A control method for uniformly laminating a multi-layered PCB is disclosed. The control method comprises the steps of PCB laminating and pressing. The control method is simple, convenient, and easy to operate and master; the layers are aligned accurately and the PCB is pressed uniformly; board sliding and decompression can be avoided, and high product quality can be achieved; the lamination process is easy to control, and easy machining and low cost are realized as well; the relatively consistent uniformity of the thickness of each laminated board among different layers can be accurately ensured; sufficient and uniform flowing adhesive in all directions is supplied; the thickness and the impedance of a laminated dielectric layer are moderate; the board edge is designed in a choked-flow manner; the overall uniformity of the laminated PCB is high; the fused flowing time of resin in a prepreg is prolonged, so that sufficient stuffing among the multiple core plate layers is ensured, uniform fused resin flowing is realized, and the efficiency is greatly improved; and in addition, the service life of equipment is prolonged, the lamination quality is effectively ensured, and the production cost is lowered.
Owner:AOSHIKANG TECH CO LTD
Flexible stress sensor and preparation method thereof
InactiveCN107271084ASmall sizeSolve the problem of difficult miniaturizationMaterial nanotechnologyForce measurementSemiconductor materialsMiniaturization
Owner:WUYI UNIV
Preparation method of alumina coated lithium titanate
ActiveCN104852035ASmall water absorptionModerate thicknessCell electrodesSecondary cellsAlcoholDecomposition
The invention discloses a preparation method of alumina coated lithium titanate. The method comprises the following steps of 1) mixing aluminum salt, lithium titanate, a first alcohol solvent and a dispersing agent to react and performing vacuum drying to obtain an aluminum salt coated lithium titanate precursor, wherein a mass ratio of lithium titanate to the first alcohol solvent is (1:0.5)-(1:4); and 2) sintering and cooling the aluminum salt coated lithium titanate precursor to obtain alumina coated lithium titanate. The aluminum salt is sufficiently and uniformly mixed with lithium titanate under the action of the first alcohol solvent and the dispersing agent, and an alumina film formed on the surface of lithium titanate is moderate in thickness, small in particle size and uniform, so that prepared alumina coated lithium titanate reduces the water absorption of lithium titanate, reduces a decomposition effect of a Ti-O bond on an electrolyte, does not react with the electrolyte under overpotential, and improves inflation of a lithium titanate battery.
Owner:HUNAN RESHINE NEW MATERIAL
Magnetic-ultrasonic difunctional SiO2 hollow sphere contrast agent and preparation method and application thereof
InactiveCN102389576AImprove stabilityLow toxicityEchographic/ultrasound-imaging preparationsNMR/MRI constrast preparationsExperimental testingDual mode
The invention discloses a magnetic-ultrasonic difunctional SiO2 hollow sphere contrast agent and a preparation method and an application thereof; the contrast agent comprises SiO2 hollow spheres; the SiO2 hollow sphere has a hollow spherical structure with an inner diameter of 100-2000 nm and a shell thickness of 10-50 nm; a magnetic material DTPA-Gd and targeting molecule RGD are coupled on the surface. The difunctional SiO2 hollow sphere contrast agent obtained by the invention has a uniform particle size, a suitable cavity dimension, a proper shell thickness, and good biocompatibility; ultrasonic imaging and magnetic resonance imaging experimental testing shows that the contrast agent can be used as a good ultrasonic-magnetic dual-mode imaging contrast agent; the experimental device of the invention is simple; the required raw materials are easily available and low in price; the operation process is simple; the by-product causes no pollution; and the invention provides an economical and practical new method for the synthesis of ultrasonic-magnetic dual-mode imaging contrast agents.
Owner:SHANGHAI NORMAL UNIVERSITY
Elastic compound metal heat interface material and preparation method thereof
The invention belongs to the technical field of a heat interface material and discloses an elastic compound metal heat interface material. The elastic compound metal heat interface material is formed by compounding indium and a through-hole porous metal sheet, wherein the indium is filled in the through-hole porous metal sheet and covers the upper and lower surfaces of the through-hole porous metal sheet. The invention also discloses a preparation method of the elastic compound metal heat interface material. The method comprises the following steps: preparing the through-hole porous metal sheet at first; adding a proper amount of indium; heating for smelting indium so that smelted indium fills in the through-hole porous metal sheet and covers the upper and lower surfaces of the through-hole porous metal sheet; and finally cooling, thereby obtaining the elastic compound metal heat interface material. The two surfaces of the through-hole porous metal sheet are both through-hole porous metal and the middle core of the through-hole porous metal sheet is a metal solid. The compound material of the through-hole porous metal sheet and indium has higher elasticity and flexibility in the direction vertical to a mounting surface, so that the compound material can be quickly filled in bigger gaps caused by heat sink and an uneven silicon surface, the interface can be completely filled and the heat resistance of the interface can be kept.
Owner:SOUTHEAST UNIV
Acid cleaning and phosphorizing method of electromobile frame
InactiveCN103243338AReduce labor intensityModerate thicknessMetallic material coating processesSurface conditionsDisposal Technique
The invention relates to an acid cleaning and phosphorizing method of an electromobile frame, belonging to the technical field of metal surface treatment. The method comprises the following steps: (1) degreasing the metal frame; (2) cleaning with water; (3) immersing the metal frame in an acid cleaning solution to carry out acid cleaning; (4) flushing with water; (5) immersing in a surface conditioning tank to carry out surface conditioning; (6) immersing in a phosphorizing tank to carry out phosphorization and film formation; (7) cleaning in a clean water tank; and (8) drying in a phosphorizing line baking oven. The invention has the advantages of low technical difficulty, strong operability, simple technique, low deposit amount, high film formation speed, is simple and convenient for maintenance, greatly lowers the labor intensity of workers, and reduces the technical pollution; and the finally obtained grey phosphorized film has the advantages of uniform crystallization and moderate thickness, and greatly prolongs the service life of the electromobile metal frame.
Owner:山东威斯特车业有限公司
Lithium ion battery non-aqueous electrolyte and lithium ion battery
InactiveCN106340672AImprove stabilityUniform compositionSecondary cellsOrganic electrolytesPower batteryPhosphate
Owner:SHENZHEN CAPCHEM TECH CO LTD
Titanium dioxide thin film and preparation thereof
The invention discloses a titanium dioxide film and a preparation method thereof. The titanium dioxide film comprises the following compositions of titanium dioxide, a dispersant, an emulsifier, a pore-making agent, water and pure nitric acid; the titanium dioxide, the dispersant, the pore-making agent, part of the water and the nitric acid are mixed and slowly ground; the mixture is added with the residual water slowly, ground for 40 to 60 minutes, added with the emulsifier and continuously ground to produce a titanium dioxide sizing agent; and a film is prepared on conductive glass by a scraping knife method and dried for 12 to 48 hours at room temperature; the dried film is put into a muffle furnace for sintering, thereby producing the titanium dioxide film. The titanium dioxide film provided by the invention has the advantages of good electricity conducting performance, good film forming effect, suitable thickness, simple preparation method, low cost and uneasy cracking and can be used for a dye-sensitized solar cell.
Owner:BYD CO LTD
Method for cultivating cigar wrapper tobacco leaves
ActiveCN101946622AFlat smokeModerate thicknessSeed and root treatmentHorticultureAgricultural scienceDark color
The invention discloses a method for cultivating cigar wrapper tobacco leaves, comprising the following steps: selecting a first crop field; adjusting the pH value of the soil to 5.5-6.5; making ridges, applying base fertilizer, and disinfecting; mixing the seeds with fine sand after the seeds are disinfected, soaked and accelerated germination; evenly sowing the seeds on the surfaces of seedbeds; laying sunshade nets on the seedbeds; keeping the water-holding capacity of the seedbeds according to different growth periods; preparing the tobacco field before transplanting the tobacco seedlings; applying the base fertilizer through deeply ploughing the tobacco field; ditching planting ditches and transplanting; laying the sunshade nets; keeping the water-holding capacity of the tobacco field according to the different growth periods; pruning top when the tobacco seedlings grow until the rachides grow out; harvesting the tobacco leaves one by one according to the parts from bottom to top after the tobacco leaves grow proper mature, so as to obtain high-quality tobacco leaves. By adopting an overshadow planting technique, the method of the invention can plant out the tobacco leaves with open and flat leaf surface, moderate thickness, thin leaf veins, low damage degree and darker color; the tobacco leaves conform to the requirement of top-grade cigar wrapper tobacco leaves, thus the method has positive significance in the cigar industry development of China.
Owner:海南建恒哈瓦那雪茄有限公司
Production method of microporous copper foil, microporous copper foil and production device thereof
InactiveCN104993153AAppropriate thicknessNot easily deformedElectrode carriers/collectorsElectroforming processesIonElectrochemical response
The invention provides a production method of a microporous copper foil, a microporous copper foil and a production device thereof. The production method comprises the following steps: taking a solution containing copper ions as an electrolyte, taking a prefabricated microporous cathode roll as a cathode, taking an anode cell as an anode, continuously electrolyzing depositing metal copper on the surface of the microporous cathode roll to form a microporous copper foil, wherein the microporous cathode roll is a cathode roll with a plurality of nonmetal dotted articles on a surface, contacting the electrolyte, of the cathode roll. The production device comprises a stander, wherein the stander is provided with the anode cell, the anode cell is connected with an anode of a power source by virtue of a copper bar, a cathode roll connected with a cathode of the power source is arranged above the anode cell, and the cathode roll is a microporous cathode roll. The microporous copper foil produced by adopting the production method is suitable for the smearing of a smearing machine, so that a cathode material is unlikely to drop; the microporous copper foil has advantages of being appropriate in thickness and not prone to deform and damage.
Owner:SHENZHEN XINYUREN TECH
Method for preparing anticoagulant vascular stent
InactiveCN101927037AImprove bindingNot easy to fall offPharmaceutical containersMedical packagingMedicineDistilled water
The invention discloses a method for preparing an anticoagulant vascular stent, which comprises the following steps of: A, depositing a plasma-polymerized allyl amine functional film on the surface of the vascular stent by using a pulse plasma polymerization method; B, preparing heparin sodium mixed solution; and C, precipitating heparin sodium, namely soaking the vascular stent on which the plasma-polymerized allyl amine functional film is deposited prepared in the step A into the heparin sodium mixed solution prepared in the step B, reacting at the temperature of between 4 and 20 DEG C for 12 to 48 hours, and after the reaction, fully rinsing by using distilled water, and drying to obtain the anticoagulant vascular stent. The vascular stent prepared by the method has the advantages of high binding force between an anticoagulant film layer on the surface of the vascular stent and the vascular stent, and excellent tissue compatibility and blood compatibility.
Owner:CHENGDU SOUTHWEST JIAOTONG UNIV SCI & TECH GARDEN MANAGEMENT
A kind of preparation method of polyurethane hot-melt transfer adhesive
InactiveCN102286262AUniform coatingImprove wettabilityFilm/foil adhesivesDuplicating/marking methodsWater bathsPolybutylene
The invention discloses a preparation method of polyurethane hot-melt transfer printing adhesive, which relates to a transfer printing adhesive. Put the polybutylene adipate into the container, after dehydration under reduced pressure, install the stirring rod and the condenser, and then put it in the water bath until the polybutylene adipate is cooled to room temperature, add diphenyl Methane-4,4'diisocyanate and catalyst di-n-butyltin dilaurate, after stirring, take a water bath, heat up to react, then add a small molecule chain extender to continue the reaction to obtain a polyurethane hot melt adhesive solution; adjust the prepared polyurethane hot melt adhesive solution Viscosity and solid content, coated on the ink layer of the thermal transfer film, after the solvent evaporates, the ink layer is firmly transferred to the thermal transfer adhesive film on various materials such as metal, glass, ceramics, plastics, and fabrics . Not only has good wettability with the ink layer of the thermal transfer film, but also has good adhesion with metal, glass, ceramics, various plastics, fabrics and other materials, and can firmly bond the ink layer to the substrate , is a widely used hot melt transfer adhesive.
Owner:XIAMEN UNIV
Ballastless track-structured waterproof vibration-reducing flexible protecting structure and paving method thereof
ActiveCN105714621ADrain fastComprehensive three-dimensional waterproof protectionRailway tracksSurface layerBridge deck
The invention discloses a ballastless track-structured waterproof vibration-reducing flexible protecting structure and a paving method thereof. A waterproof linking layer and a buffer protecting layer are paved between the bottom of a ballastless track foundation plate and the top surface of a surface layer / bridge deck slab of a roadbed in a full-width manner. According to the ballastless track-structured waterproof vibration-reducing flexible protecting structure, by virtue of the linking layer and the buffer protecting layer which are paved on the full fracture surface, the overall stereoscopic water proofing and the integrality are realized; by regulating the dynamic modulus, the damping characteristic and the deformation adaptability of an asphalt concrete protecting layer by virtue of a special modifying enhancer, the rigidity matching and buffer vibration reducing functions are realized; and by enhancing the load diffusivity, the fatigue durability and the water damage resistance of asphalt concrete by virtue of the special modifying enhancer, the problems of premature failure, interlayer slurry extruding, disengaging, even frost heaving and the like of waterproof layers of existing ballastless track roadbeds are effectively solved, the integrality, the smoothness, the uniformity and the long-term stability of a lower base structure of a track are improved, and good and stable support is provided for a ballastless track plate, so that the fatigue life of the track plate is prolonged. The ballastless track-structured waterproof vibration-reducing flexible protecting structure is a long-lasting protection scheme.
Owner:SOUTHEAST UNIV +2
Mineralization guided tissue regeneration membrane and preparation method and application thereof
ActiveCN106492283AGood tissue compatibilityHigh tensile strengthProsthesisPhysical BarrierNano hydroxyapatite
The invention relates to a mineralization guided tissue regeneration membrane and a preparation method and application thereof, wherein the mineralization guided tissue regeneration membrane comprises: a loose layer formed by compositing type I collagen and nano hydroxyapatite; a compact layer positioned on the loose layer and formed from type collagen. The double-layer mineralization guided tissue regeneration membrane is constructed herein, wherein the loose layer is consistent to autogenous bone in terms of composition, and the membrane may be attached to diseased oral bone defect surface to induce the generation of new bones; the surface of the compact layer is smooth, a diseased area may be isolated from surrounding tissues by making good use of physical barrier function of the membrane, regenerating capacity of a specific tissue is given to maximum play, and the prepared mineralization guided tissue regeneration membrane has high tensile strength and elasticity.
Owner:BEIJING ALLGENS MEDICAL SCI & TECH
Preparation method of silicon dioxide (SiO2) ultrasonic imaging radiography material
InactiveCN102068706AGood biocompatibilityGood dispersionEchographic/ultrasound-imaging preparationsUltrasound imagingAlcohol
The invention relates to a preparation method of a silicon dioxide (SiO2) ultrasonic imaging radiography material. The preparation method comprises the following steps: hydrolyzing a non-functional silicon source and an amino-functional silicon source in a water-alcohol system by utilizing a hard template so as to obtain silicon spheres with amino on surfaces; removing the hard template by extraction to obtain hollow SiO2 spheres with amino on surfaces with uniform particle sizes; and carrying out surface modification by coupling the amino group on the surfaces of the SiO2 spheres with a carboxyl group in polyethylene glycol (PEG) so as to modify the PEG with good biocompatibility on the surfaces of the spheres, and finally obtaining the SiO2 ultrasonic imaging radiography material which has the advantages of good dispersibility, good biocompatibility, suitable cavity dimension and shell thickness and is applicable to ultrasonic imaging.
Owner:SHANGHAI NORMAL UNIVERSITY
Method for manufacturing back contact type crystalline silicon solar cell component
InactiveCN103456843ASolve welding displacementSolve complexityFinal product manufacturePhotovoltaic energy generationEngineeringContact type
The invention relates to the technical field of manufacturing of a solar cell component, in particular to a method for manufacturing a back contact type crystalline silicon solar cell component. The method sequentially comprises the following steps of pre-bonding of a conductive solder strip and an insulation glue film, distance fixing of back contact type crystalline silicon solar cells, placing of a pre-bonding combination body, series welding of the solar cells, placing of glass, placing of lower layer EVA, assembling of a solar cell string, placing of upper layer EVA, placing of a back plate, laminating and framing. The method for manufacturing the back contact type crystalline silicon solar cell component solves the problems of welding shifting and complex and cumbersome working processes of the back contact type crystalline silicon solar cells, operation is simple and convenient, the method is suitable for industrial application, the production quality and the production efficiency of the back contact type crystalline silicon solar cell component can be effectively improved, the insulation glue film which has bonding performance after being heated is used, the thickness of the glue film is moderate, the breaking rate of the back contact type crystalline silicon solar cells in the welding process can be reduced, the welding strength is enhanced, the effect of beautifying the appearance is well achieved, safety and reliability are achieved, and attractiveness and practicability are achieved.
Owner:LIANYUNGANG SHENZHOU NEW ENERGY
Preparation technology for titanium dioxide nano membrane in dye-sensitized solar cell
ActiveCN102332355AImprove conductivityLarge specific surface areaLight-sensitive devicesSolid-state devicesPorous membraneMaterials science
The invention relates to a preparation technology for a titanium dioxide nano membrane in a dye-sensitized solar cell. The preparation technology solves the technical problems that the photo-anode of the existing dye-sensitized solar cell is apt to crack, the homogeneity is poor, the thickness is slightly small and the porosity is low. The technical scheme is that the technology respectively uses P25 TiO2 powder with grain size being 17-30nm and TiO2 powder with grain size being 150-300nm as the base stock of paste, a nano dense membrane and a loose porous membrane are sequentially prepared on conducting substrate glass and the photo-anode of the dye-sensitized solar cell is formed in a compounding way. The thickness of the photo-anode prepared by adopting the technology is moderate, the photo-anode is free of cracks, the porosity is high, more dyes can be adsorbed and the photoelectric conversion efficiency of the dye-sensitized solar cell can be effectively improved.
Owner:北京远大信达科技有限公司
Production method of polyurethane latex condom and special mold thereof
InactiveCN104339485AGood film formingModerate thicknessMale contraceptivesPolyurethane adhesivePolyolefin
The invention relates to a production method of a polyurethane latex condom. The production method comprises the following steps: (A) preparing polyurethane latex, namely mixing waterborne polyurethane with the solid content being 35-55% with assistants, and stirring uniformly to obtain the polyurethane latex; and (B) forming the polyurethane latex condom with the polyurethane latex obtained in the step (A) by a condom mold, wherein the mold is manufactured by a polyolefin material which is polyethylene and / or polypropylene. The invention also provides a special mold for producing the polyurethane latex condom.
Owner:CHEMCHINA ZHUZHOU RUBBER RES & DESIGN INST
Preparation method of multifunctional antirust oil and multifunctional antirust oil
The invention discloses a preparation method of multifunctional antirust oil and multifunctional antirust oil. The preparation method of the multifunctional antirust oil comprises the following steps:S10, providing base oil, mineral oil, a film forming agent, an oil solvent, a rust inhibitor A and a rust inhibitor B, dissolving the rust inhibitor A and the film forming agent in mineral oil to prepare a mixture; S20, dispersing the oil solvent, the rust inhibitor B and the base oil in the mixture to prepare the multifunctional antirust oil, wherein the rust inhibitor A is any one or a mixtureof at least two of barium petroleum sulfonate, calcium petroleum sulfonate, sodium petroleum sulfonate and barium dinonylnaphthalenesulfonate, and the rust inhibitor B is any one or a mixture of at least two of dodecenylsuccinic acid, dodecenylsuccinate, antirust agent T-703 and zinc naphthenate. The raw materials are added in a specific adding sequence, the rust inhibitor A and the rust inhibitorB are added in two steps, and the multifunctional antirust oil with suitable viscosity, oil film thickness, rust resistance, anti-corrosion property, separation stability and water replacement property is prepared.
Owner:广州兴产新材料科技有限公司
Composite nuclear track membrane and preparation method thereof
ActiveCN104001429AImprove surface hydrophilicityHigh mechanical strengthSemi-permeable membranesPolyesterVolumetric Mass Density
The invention discloses a composite nuclear track membrane and a preparation method thereof. The composite nuclear track membrane comprises a polyester nuclear track membrane or a polycarbonate nuclear track membrane, wherein a porous cellulose acetate membrane is composited on one surface of the polyester nuclear track membrane or the polycarbonate nuclear track membrane so as to form the composite nuclear track membrane of which the thickness is 67-160 microns, the aperture of the polyester nuclear track membrane or the polycarbonate nuclear track membrane is 1-10 microns, the pore density of the polyester nuclear track membrane or the polycarbonate nuclear track membrane is 2*10<5> / cm<2>-2*10<7> / cm<2>, and the thickness of the polyester nuclear track membrane or the polycarbonate nuclear track membrane is 7-25 microns. The composite nuclear track membrane has the advantage that the surface hydrophilicity is good, the mechanical strength is high, the membrane thickness is moderate, the automatic operation can be realized easily, the flux of the filtering liquid is high, and the assimilative capacity is strong; the composite membrane is an integer, is not layered and is suitable for fabricating roll type filter cores; the porous cellulose acetate membrane composited on the nuclear track membrane is taken as a pre-filtering layer or a support layer of the nuclear track membrane, so that the problems about mechanical strength and thickness of the membrane are solved, and meanwhile, the a pre-filtering problem of the membrane is solved.
Owner:天津理源科技有限公司
Lithium metal negative electrode structure combination, preparation method thereof and lithium battery cell
InactiveCN108365169AEnsure normal conductionGood ion conductivityFinal product manufactureSecondary cells servicing/maintenanceCharge dischargeLithium compound
The invention relates to the technical field of a lithium battery, in particular to a lithium metal negative electrode structure combination and a preparation method thereof. The metal lithium negative electrode structure combination comprises a negative electrode structure and a surface modification layer, wherein the surface modification layer is formed on the negative electrode structure, the negative electrode structure comprises a negative current collector and a lithium metal negative electrode layer, the lithium metal negative electrode layer is formed on the negative current collector,the negative current collector, the lithium metal negative electrode layer and the surface modification layer are arranged in a lamination way, the lithium metal negative electrode layer comprises alithium metal active material, and the surface modification layer comprises a lithium compound having ion conduction characteristic. The surface modification layer has a modification effect on a surface of the lithium metal negative electrode layer, the surface defect of the lithium metal negative electrode layer is improved, the situations that charges are not uniformly distributed on the lithiummetal negative electrode layer during the charge-discharge process to form lithium dendrites and an electrolyte separator layer is punctured to cause short circuit of the battery are prevented, meanwhile, the lithium dendrites are limited from being formed on the lithium metal negative electrode layer, so that the charges are uniformly distributed on the lithium metal negative electrode layer, and the specific capacity density of the lithium metal negative electrode layer is improved.
Owner:成都亦道科技合伙企业(有限合伙)
PE film compounded antistatic EPE
InactiveCN101579951AWaterproofShockproof and pressure-resistantFlexible coversWrappersHot meltElectronic component
The invention relates to PE film compounded antistatic EPE, which comprises a PE film layer and an antistatic EPE layer which are combined through hot melt; and the antistatic EPE is prepared by adding an antistatic material into an EPE raw material. The PE film compounded antistatic EPE has the characteristics of soft texture, elasticity, high tensile strength, waterproofing and moisture proofing, shock and pressure resistance, medium thickness and the like, and can prevent static and has buffering and shockproof functions when used for packaging electrical appliances, hardware, electronic components and modules such as boards, cards and the like.
Owner:昆山市金鑫塑料制品有限公司
Cr/CrN/CrAlSiN/CrAlTiSiN nano-multilayer gradient film and preparation method thereof
ActiveCN109295425ASmall coefficient of thermal expansionReduce coefficient of frictionVacuum evaporation coatingSputtering coatingTotal thicknessAlloy steel
The invention discloses a Cr / CrN / CrAlSiN / CrAlTiSiN nano-multilayer gradient film and a preparation method thereof, and belongs to the technical field of nitriding films. The Cr / CrN / CrAlSiN / CrAlTiSiN nano-multilayer gradient film is composed of a Cr base layer, a CrN transition layer, a CrAlSiN transition layer and a CrAlTiSiN film layer which are sequentially deposited on a low-alloy steel or mould steel base body by adopting a multi-arc ion plating method; the total thickness of the nano-multilayer gradient film is 1.5 [mu]m-4.2[mu]m; total content ranges of Cr, Al, Ti and Si elements are correspondingly 30at%-34at%, 20at%-28at%, 10at%-14at% and 3at%-5at%; and film base adhesion force of the nano-multilayer gradient film is 35-45N, the friction coefficient is 0.01-0.02, and nano-hardnessis 35-40 Gpa. According to the preparation method, by changing the base body negative bias and deposition time of middle layers and converting targets, the nano-multilayer gradient film with high tenacity, low friction coefficient and good abrasion performance is obtained.
Owner:深圳市奥美特纳米科技有限公司 +1
High-strength and high-performance special aluminum alloy covered profile for radiator
InactiveCN105172260AShorten the manufacturing cycleLow costLaminationLamination apparatusHigh intensityFiller metal
The invention provides a high-strength and high-performance special aluminum alloy covered profile for a radiator. The aluminum alloy covered profile is composited by three layers of materials including a matrix aluminum alloy, an inner anti-corrosion aluminum alloy and surface brazing filler metal from bottom to top sequentially, wherein the thickness of the matrix aluminum alloy accounts for 80% of that of the profile, the thickness of the inner anti-corrosion aluminum alloy accounts for 10% of that of the profile, and the thickness of the surface brazing filler metal accounts for 10% of that of the profile. Compared with the prior art, the high-strength and high-performance special aluminum alloy covered profile has the benefits as follows: by means of the high-strength and high-performance special aluminum alloy covered profile for the radiator and a manufacturing method, manufacturing components are easy to obtain, the product structure is simple, the thickness is moderate, and the profile has excellent machinability and can be applied to a universal deformation and machining technology; meanwhile, the manufacturing process is simple, short in procedure, easy to master and worth popularization.
Owner:佛山市三英铝业有限公司
Capacitive touch screen and manufacturing method thereof
ActiveCN102819372AAddressing Unprotected DefectsReasonable structural designInput/output processes for data processingManufacturing technologyTouch Senses
Owner:GANZHOU DPT TECH
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