58results about How to "Mass production possible" patented technology

The invention relates to resin for a polyurethane shoe with extremely-low density and high hardness and a preparation method thereof, belonging to the chemical field. The resin is prepared by foaming a component A and a component B at a certain condition through a polyurethane foaming machine and injecting the mixture into a shoe mold. The component A is formed by mixing polyalcohol A1, polymer of polyester polyol A2, a cross-linking agent, a polyesterdiol chain extender, a catalyst, an organic silicon foam stabilizer, a water foaming agent and the like; and the component B is a prepolymer prepared by reacting polyisocyanates, polyester polyol B1 and polyether polyol B2. The invention has the advantages of maintaining higher hardness of products at lower density and greatly reducing the productions cost of production manufacturers of the polyster type polyurethane shoe. In addition, the invention has easily-obtained raw material, favorable repeatability of products and capability of realizing batch production.

The invention belongs to the field of all-solid-state lithium batteries, and discloses a lithium lanthanum zirconium oxide solid electrolyte. The lithium lanthanum zirconium oxide solid electrolyte comprises 60-75wt% of a polymer, 8-15wt% of a lithium salt and 15-30wt% of a lithium lanthanum zirconium oxide three-dimensional porous inorganic network, wherein the polymer is compounded in the lithium lanthanum zirconium oxide three-dimensional porous inorganic network in situ. The invention also discloses a preparation method of the lithium lanthanum zirconium oxide solid electrolyte and application of the lithium lanthanum zirconium oxide solid electrolyte in the field of lithium ion batteries. The lithium lanthanum zirconium oxide three-dimensional porous network provides a continuous lithium ion transmission channel, so that the ionic conductivity is higher. Meanwhile, due to the existence of the lithium lanthanum zirconium oxide three-dimensional porous network, certain mechanical properties are provided for the composite solid electrolyte, the growth of lithium dendrites can be inhibited, and the high-temperature performance and safety of the battery are improved. Therefore, theinterfacial compatibility and stability between the solid electrolyte and the electrode are optimized and improved, and the formed all-solid-state lithium battery has the advantages of being stable in cycle performance, high in rate capability, low in interfacial impedance and good in stability.

The invention discloses a preparation method of a Ni3Fe-loaded nitrogen-doped carbon nanometer composite material, and a product and applications thereof. The preparation method comprises following steps: 1, a Ni<2+>/Fe<3+>/PVP mixed sol is prepared; 2, the Ni<2+>/Fe<3+>/PVP mixed sol is subjected to electrostatic spinning so as to obtain solid carbon fiber film; 3, the solid carbon fiber film issubjected to pre-oxidation at air atmosphere at 200 to 300 DEG C, programmed heating is adopted for heat processing at 400 to 1000 DEG C at an inert atmosphere so as to obtain the Ni3Fe-loaded nitrogen-doped carbon nanometer composite material. The preparation method is low in cost, is easy, and is universal; the obtained Ni3Fe-loaded nitrogen-doped carbon nanometer composite material is of a one-dimensional composite structure (carbon nanometer fiber and carbon nanotube); Ni3Fe alloy particles can be embedded into the carbon nanometer fiber and carbon nanotube uniformly; the Ni3Fe-loaded nitrogen-doped carbon nanometer composite material can be taken as a water electrolysis hydrogen evolution electrocatalytic material, and possesses relatively high activity and excellent stability.

The invention relates to a manufacturing method of an all-printed electronic carbon dioxide thin-film SAW (Surface Acoustic Wave) sensor. The manufacturing method disclosed by the invention specifically comprises the following steps: selecting a piezoelectric substrate; designing and printing an electrode; preparing and printing a sensitive material; and designing and printing a driving circuit. Compared with the traditional microelectronic process, the carbon dioxide thin-film SAW sensor prepared based on printed electronics has the obvious advantages of being low in cost, simple and rapid in manufacturing process, environmentally friendly and the like.

A lotus leaf-based photothermal conversion material preparing method belongs to the technical field of preparation of solar energy photothermal conversion materials. The lotus leaf-based photothermalconversion material preparing method comprises 1) cleaning and drying fresh lotus leaves; 2) freezing the processed lotus leaves at -18--24 DEG C for 12-24 h to obtain a frozen sample A; 3) drying thefrozen sample A in a vacuum freeze-drying cabinet at a vacuum degree of 6-10 Pa and a temperature of -30--50 DEG C for 48-72 h to obtain a dried sample B; 4) carbonizing the sample B in a nitrogen atmosphere at 500-700 DEG C for 4-6 h to obtain carbonized lotus leaves. The lotus leaf-based photothermal conversion material preparing method has the advantages of being low in preparation cost, goodin repeatability, simple in process, capable of achieving large-scale production and the like; the obtained carbonized lotus leaves have properties of hydrophilicity, transmission water channels, highthermal and light absorbency and the like and can be applied to the field of solar water evaporation.

The invention relates to an electrical-contact composite material, in particular to a preparing method of a silver-base metal acid-salt electrical-contact composite material, which belongs to the technical field of material smelting. The method comprises the following steps: mixing silver-base powder of which the granularity is lower than 20 micrometer and metal acid-salt powder in a powder mixerto lead the tin or copper element content to be 6 to 15 percent of the total weight, uniformly mixing the silver-base powder and the metal acid-salt powder by ultrasonic waves of which the frequency is from 10 to 30 KHz, and compressing the mixed powder into biscuits; sintering the biscuits at a temperature from 500 to 800 DEG C into ingot billets, and recompressing and resintering the ingot billets at a temperature from 500 to 800 DEG C; and sending the recompressed and resintered billets into an extruder to directly extrude out wire rods, and processing the wire rods into finished products.The method has simple technology and excellent processing performance, better solves the problem of the temperature rise of the electrical-contact material, improves the integrated performance of thematerial, and overcomes the problem in the processing and the use of the electrical-contact material in prior.

The invention discloses a preparation method of a hollow structure Co3O4/CeO2 nanoparticle loaded nitrogen doped carbon nanofiber material and application thereof. The preparation method comprises thefollowing steps: 1) preparing a CO<2+>/Ce<3+>/PVP mixed sol; 2) electrospinning the CO2+/Ce3+/PVP mixed sol to obtain a solid carbon fiber film; and 3) preoxidizing the solid carbon fiber film in anair atmosphere of 200-300 DEG C, performing heat treatment in an inert atmosphere of 400-1000 DEG C with programmed temperature rise, and obtaining the hollow structure Co3O4/CeO2 nanoparticle loadednitrogen doped carbon nanofiber composite material by utilizing the Kirkendall effect of nano materials. The preparation method is low in cost, simple and universal. The prepared material is a one-dimensional carbon nanofiber material; hollow Co3O4/CeO2 composite nanoparticles are uniformly embedded in carbon nanofiber; and the material can be used as an electrolytic water oxygen evolution electrocatalytic material and has higher activity and excellent stability.

The invention provides a NiS/NiO heterojunction-loaded nitrogen-doped carbon nano composite material and a preparation method and application thereof. The preparation method comprises the following steps: S1, preparing Ni < 2 + >/PVP mixed sol; S2, performing electrostatic spinning on the Ni < 2 + >/PVP mixed sol to obtain a solid carbon fiber film; and S3, pre-oxidizing the solid carbon fiber film in an air atmosphere, and sequentially carrying out heat treatment in an inert atmosphere, oxidation treatment in the air atmosphere and sulfuration vapor deposition to obtain the NiS/NiO heterojunction-loaded nitrogen-doped carbon nano composite material. PVP selected in the method is cheap and easy to obtain, and compared with a traditional method for preparing the water electrolysis oxygen evolution electrocatalyst material, the method is simple and feasible in process, low in cost and easy to operate, and large-scale production can be achieved.

The invention relates to a preparation method of a core-shell structure high-temperature phase-change heat accumulation material and belongs to the technical field of heat accumulation materials. Thepreparation method comprises the following steps: adding aluminum powder into a nickel chloride solution; dropwise adding an ammonium fluoride solution and ammonia water in sequence and carrying out reaction; then carrying out high-temperature roasting to obtain the core-shell structure Al@NiO-Al2O3 high-temperature phase-change heat accumulation material. According to the core-shell structure Al@NiO-Al2O3 high-temperature phase-change heat accumulation material prepared by the invention, aluminum has good performance including relatively great melting heat, high coefficient of thermal conductivity, low evaporation pressure and the like; NiO-Al2O3 is combined with a shell so that a shell structure is dense and the thickness is increased; then the material can bear chemical corrosion of liquid-state metal with a fused state, and also can bear pressure caused by volume expansion; the material can provide relatively good mechanical strength, but also can be used for enhancing the heat-conduction performance.

The invention provides a super-flexible self-generating yarn, a full-fiber-based super-flexible thermoelectric self-generating fabric and a preparation method thereof. According to the super-flexible self-generating yarn, a P-type thermoelectric material composed of PEDOT: PSS and ionic liquid is adopted to conduct coating modification on fibers or yarns, the film-forming property of PEDOT: PSS is remarkably improved, the yarn flexibility is enhanced, and meanwhile the thermoelectric property of the yarns is improved. An N-type thermoelectric material and the P-type thermoelectric material are coated on the surface of a yarn base material in an adjacent mode and are connected through electrodes to form a series thermoelectric path. The flexibility, thermoelectricity and power generation stability of the prepared full-fiber-based super-flexible thermoelectric self-power-generating fabric are remarkably improved, and an effective way is provided for the full-fiber-based super-flexible thermoelectric self-power-generating fabric. Therefore, the super-flexible self-generating yarn has relatively high popularization and application values in the fields of sensing device power supply, intelligent clothing and wearable electronic devices.

The invention relates to a preparation method of ferric oxide with different crystal forms. The preparation method comprises the following steps of: preparing a Fe precursor from Fe salt and an alkaline compound aqueous solution containing alkali metal, and controlling the content of residual alkali metal in the Fe precursor to modulate the content of alpha-Fe2O3 and gamma-Fe2O3 in calcined Fe2O3.Compared with the prior art, the preparation method provided by the invention is simple and easy to implement, a preparation method of nano iron oxide with low raw material cost, simple equipment andcontrollable crystal form is provided, and the defect of uncontrollable crystal form in the prior art is overcome; according to the fact that the proportion of alkali metal contained in Fe2O3 is increased from 0 and the crystal form is gradually changed from alpha to gamma during calcination, crystal form modulation of a nano iron oxide product is achieved through control over technological conditions; meanwhile, preparation raw materials are easy to obtain, environmental pollution is small, and industrialization is possible.

The invention relates to a method for producing an isoquinoline derivative. In the method for producing 2-alkyl-2H-(halo)isoquinoline-1-ketone, acid amide is subjected to n-butyl lithium metallization, ring closing and dehydration to finally generate the isoquinoline derivative, namely 2-alkyl-2H-(halo)isoquinoline-1-ketone. The method has the advantages of wide sources of reaction raw materials, mild reaction conditions and easy operation, rapid reaction, simple process, high purity of the prepared product, capability of realizing large-scale production and high yield so as to meet the application requirements of industries such as medicine and the like.

The invention discloses a NiPd/Ni anchored nitrogen-doped carbon nanosheet composite material, and a preparation method and application thereof. The NiPd/Ni anchored nitrogen-doped carbon nanosheet composite material takes a nitrogen-doped carbon nanosheet with a three-dimensional nanostructure as a carrier, and NiPd alloy and Ni metal elementary substance nanoparticles are uniformly anchored on the carrier. The method is simple and easy to implement, raw materials are low in cost, and large-scale production can be achieved. The NiPd/Ni anchored nitrogen-doped carbon nanosheet composite material prepared by the method disclosed by the invention has a three-dimensional nanostructure (nitrogen-doped carbon nanosheets), and NiPd alloy and Ni metal elementary substance nanoparticles with superfine particle sizes (about 13.0 nm) are uniformly anchored on the carbon nanosheets. The material can be used as an alkaline bifunctional oxygen electro-catalytic material, and has excellent activity and stability.

The invention discloses a method for preparing a Fe-doped Mn3O4 carbon-nitrogen material with a hollow nano-frame structure and the application of the material in an oxygen reduction reaction and a zinc-air battery. The method comprises the steps of (1) separately preparing a Fe(CN)6<3->/PVP solution and a Mn<2+> solution, (2) uniformly mixing the Fe(CN)6<3->/PVP solution and the Mn<2+> solution and standing to obtain KMnFe(CN)6 khaki Prussian blue similar precipitation, and (3) performing alkali washing on KMnFe(CN)6 solid powder in a NaOH solution and raising the temperature to perform thermal processing at 250 DEG C to 350 DEG C in an inert atmosphere to obtain the Fe-doped Mn3O4 carbon-nitrogen material with the hollow nano-frame structure. The preparation method of the invention has the advantages of low cost and simple and universal use, the obtained material has the open hollow nano-frame structure, the material can be used as an electrocatalytic material of oxygen reduction reaction, and the material has high activity and excellent stability energy and can be applied as a positive electrode material of the zinc-air battery.

The invention discloses a method for producing reduced coenzyme Q10 by fermentation of recombinant strains, belonging to the technical field of molecular biology. The method comprises the steps of transferring genes for producing the reduced coenzyme Q10 into strains with reduced coenzyme Q10 ratio of more than 70%; using mutagenesis technology to screen strains with reduced coenzyme Q10 ratio of more than 90%; using the strains with the reduced coenzyme Q10 ratio of more than 90% as cultivated strains to produce the reduced coenzyme Q10. The method further improves production capacity of the gene recombinant strains by using high-yield strains built by gene engineering and mutagenesis technology, so that the method can satisfy requirement of the commercial production.

The invention relates to a low-cost on-line reinforcement method of aluminosilicate glass, which comprises the following steps that: a high-temperature spraying device is additionally arranged on an annealing kiln of the glass; when the aluminosilicate glass enters the annealing kiln, the high-temperature spraying device atomizes high-temperature fused salt and uniformly sprays to the surface of the aluminosilicate glass; and the atomized fused salt reacts with the glass rapidly to form a compressive stress layer, so that a reinforcement effect is obtained after the aluminosilicate glass is annealed. The designed on-line reinforcement method of the glass is wide in application scope; the existing glass production technology is not required to be modified to a great extent; the investment cost is lowered; and at the same time, the on-line reinforcement method is lower in working temperature and greatly reduces raw material and energy consumption.

The invention provides a preparation method of fluorescently-enhanced graphene quantum dots, the method is as follows: adding acetonitrile into a graphene quantum dot solution, performing ultrasonic cleaning in an ultrasonic cleaner for 5-10min, then transferring to a high-pressure reaction kettle, heating to 175-185 DEG C, reacting at constant temperature for 11 to 12h, and cooling to the room temperature to obtain fluorescent enhanced graphene quantum dots. According to the preparation method provided by the invention, acetonitrile is taken as the auxiliary intermediate to produce the fluorescence enhanced graphene quantum dots by one-step hydrothermal method, the luminescence stability is improved significantly with high luminescence intensity and quantum yield, at the same time, the fluorescence quenching of graphene quantum dots under the high temperature and high pressure environment is effectively prevented, and the application potential of the graphene quantum dots in the fields of photoelectric conversion, ion detection, sensor and the like is greatly expanded.