10results about How to "Excellent performance balance" patented technology

The invention relates to the technical field of printing materials, in particular to a 3D printing material, a preparation method and application of the 3D printing material in shoe materials, and the 3D printing material comprises the following raw materials in parts by weight: 35-40 parts of TPU, 10-15 parts of polycaprolactone, 6-9 parts of nano silver powder, 3-5 parts of a compatilizer, 3-4 parts of a foaming agent, 2-3 parts of a foam stabilizer, 1-3 parts of a lubricant and 1-3 parts of an antioxidant. According to the 3D printing material disclosed by the invention, TPU is matched with polycaprolactone, functional aids such as a compatilizer, a lubricant and an antioxidant are added, nano silver powder is added to optimize the antibacterial property of a product, and meanwhile, the added carbon nano tube is blended with a nano attapulgite agent and a supplementing agent for supplementing and adjusting a modified filler to be mutually blended and matched, so that the obtained 3D printing material optimizes the raw material agglomeration property; the antibacterial property, the wear resistance and the mechanical tensile property of the product are improved in a balanced and coordinated manner, and the weather-proof and washing-resistant stability effects of the product are remarkable.

The invention discloses steel for a thin-gauge automobile beam with the tensile strength larger than 510 MPa and a production method of the steel. The steel for the automobile beam comprises, by mass, 0.06%-0.08% of C, 0.03%-0.10% of Si, 0.80%-1.00% of Mn, smaller than or equal to 0.018% of P, smaller than or equal to 0.005% of S, 0.020%-0.045% of Alt, 0.012%-0.022% of Nb, 0.025%-0.037% of Ti, 0.0008%-0.0020% of Ca and the balance Fe and inevitable impurities. The steel for the thin automobile frame has the advantages of high strength, high toughness, high forming precision and the like, meets good matching of strength and forming performance in the performance aspect, is free of cracks in a cold bending test and has good cold machining performance.

The invention belongs to the technical field of high-entropy alloys, and discloses a Laves phase enhanced wear-resistant high-entropy alloy and a preparation method thereof. The wear-resistant high-entropy alloy is prepared from the following element components in percentage by atomic mass: 23% to 23.375% of Fe, 23% to 23.375% of Co, 23% to 23.375% of Ni, 23% to 23.375% of V and 6.5% to 8% of Hf, and the total percentage is 100%. The organization structure of the wear-resistant high-entropy alloy is a face-centered cubic structure FCC phase and Laves phase coexisting double-phase structure. The wear-resistant high-entropy alloy prepared by the invention is uniform in component distribution and relatively high in density; the wear-resistant high-entropy alloy has a eutectic structure in which an FCC phase and a Laves phase coexist, so that the wear-resistant high-entropy alloy prepared by the preparation method has relatively low friction coefficient and grinding crack width and good friction and wear properties.

The application relates to a preparation method of a low-cost high-specific-energy battery electrolyte and application thereof and relates to the technical field of lithium metal battery electrolytes. The application realizes the synergistic regulation of the solvation structure of an electrolyte and the electrode interface reaction by constructing a propyl acetate (EP) / fluorinated ethylene carbonate (FEC) / tetrahydrofuran (THF) composite solvent system, taking lithium bis(trifluoromethylsulfonyl)imide (LiTFSI) as a main lithium salt and introducing lithium difluoro(oxalato)borate (LiDFOB) functional lithium salt, so that the cycle stability and the rate performance of a high-nickel positive electrode / lithium metal battery are improved. The low-cost high-specific-energy battery electrolyte prepared by the application has the advantages of a wide electrochemical stability window, excellent interface compatibility and good comprehensive performance balance, still maintains excellent rate capacity output capacity at an extremely low temperature of -30 DEG C, is suitable for the application of high-energy-density lithium metal batteries, and simultaneously shows excellent high-rate capacity retention capacity and long-term cycle stability.

The invention discloses a manufacturing method of a super-junction MOSFET structure. The manufacturing method comprises the following steps of S1, obtaining the surface roughness, the surface defect density and the interface trap density of a super-junction MOSFET; s2, comparing the obtained surface and interface quality parameters according to a threshold value; s3, performing wet chemical cleaning or plasma cleaning on the semiconductor material needing to be improved; s4, applying a passivation layer on the surface of the cleaned semiconductor material; s5, introducing a high-dielectric-constant material into a gate interface to serve as a gate dielectric layer; s6, according to the working voltage and the power level of the super junction MOSFET; s7, carrying out electrical characteristic characterization on the super-junction MOSFET after surface treatment and interface regulation and control; the surface roughness, the defect density and the interface trap density are analyzed through an atomic force microscope and a scanning electron microscope, quantitative parameters are provided for evaluating the surface quality, potential problems are helped to be recognized, meanwhile, a wet chemical cleaning method and a plasma cleaning method are adopted, it is ensured that the surface is clean and flat, impurities and oxide layers are eliminated, and the surface quality is improved.

This invention relates to the field of printing materials technology, specifically to a 3D printing material, its preparation method, and its application in shoe materials. The material comprises the following raw materials in parts by weight: 35-40 parts TPU, 10-15 parts polycaprolactone, 6-9 parts nano-silver powder, 3-5 parts compatibilizer, 3-4 parts foaming agent, 2-3 parts cell stabilizer, 1-3 parts lubricant, and 1-3 parts antioxidant. The 3D printing material of this invention uses TPU in combination with polycaprolactone. By adding functional additives such as compatibilizers, lubricants, and antioxidants, and by adding nano-silver powder to optimize the antibacterial properties of the product, and by simultaneously adding carbon nanotubes to harmonize the nano-attapulgite agent and the filler-modifying agent to complement each other, the resulting 3D printing material optimizes the raw material agglomeration properties, resulting in a balanced and coordinated improvement in the product's antibacterial properties, abrasion resistance, and mechanical tensile properties, as well as significantly enhanced weather resistance and water washability.

The present invention relates to a cable comprising at least one layer comprising a polypropylene composition; the present invention relates to a polypropylene composition comprising a copolymer of propylene and comonomer units selected from ethylene and alpha-olefins having from 4 to 12 carbon atoms wherein the polypropylene composition has a total comonomer content (preferably total ethylene content) of from 4.0 to 11.0 wt%, based on the total weight of the polypropylene composition, the content is determined according to the Crystallization Extraction Method (CRYSTEX) by FT-IR spectroscopy calibrated by a quantified 13C-NMR spectrum; a melt flow rate MFR2 of greater than 2.5 to 6.0 g / 10 min as determined according to ISO 1133 at 230 DEG C and a load of 2.16 kg; a soluble fraction (SF) content of from 10.0 to 25.0 wt%, based on the total weight of the polypropylene composition, as determined by Crystallization Extraction Method (CRYSTEX); and a flexural modulus of greater than 470 MPa to 750 MPa as determined according to ISO 178 method A.

The invention relates to the technical field of adhesive tapes, in particular to a high-thermal-conductivity adhesive tape and a preparation method thereof. The high-thermal-conductivity adhesive tape is obtained by mixing an adhesive emulsion A and an adhesive emulsion B, coating two surfaces of a PET (Polyethylene Terephthalate) base material with the mixture, and carrying out thermocuring. Wherein the adhesive emulsion A is obtained by carrying out emulsion polymerization on an acrylic monomer, a styrene monomer and an epoxidized nano boron nitride dispersion liquid, and the adhesive emulsion B is obtained by carrying out emulsion polymerization on an acrylic monomer. The double-sided adhesive tape provided by the invention has excellent adhesive property while having high thermal conductivity, and is especially suitable for LED application scenes requiring efficient thermal management and reliable adhesion.

This invention belongs to the field of lithium-ion capacitor technology, specifically relating to a lithium-ion capacitor with a porous carbon positive electrode and a hard carbon negative electrode, and its preparation method. Pretreated coal powder and KOH powder are carbonized in a tube furnace at a mass ratio of 1:(3~5) to obtain porous carbon as the positive electrode material; the pretreated coal powder is carbonized in a tube furnace at 1200~1600℃ to obtain hard carbon as the negative electrode material; the positive and negative electrode materials are assembled at a mass ratio of (1~3):1 to obtain a lithium-ion capacitor with good electrical performance. The porous carbon prepared by this invention has a hierarchical pore structure, high specific surface area, and suitable defect density, providing high specific capacitance; the hard carbon prepared by this invention has a composite structure of short-range ordered graphite-like microcrystals and amorphous carbon, which is conducive to rapid lithium-ion insertion / extraction, providing a capacity basis; the appropriate assembly ratio of the porous carbon positive electrode material and the hard carbon negative electrode material effectively improves the overall performance of the lithium-ion capacitor.

The invention provides a rendering method and device for simulating an object surface diffraction effect, computing equipment and a computer readable storage medium, and the method comprises the steps: converting a sight line vector from a model space to a tangent space, and converting a color from RGB to an HSV model during the rendering of an object, and only the hue of the color is adjusted to simulate the color diffraction following the visual angle, the hue is shifted through the sight line vector of the tangent space, and various masks are supplemented, so that a relatively real color diffraction effect is realized. According to the scheme, the dynamic color change effect is achieved by adjusting the hue, complex real-time ray tracing calculation is avoided, the complex visual effect is created, meanwhile, good performance balance is kept, and the method is suitable for three-dimensional application of the mobile terminal.