Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

309results about How to "The group ratio is reasonable" patented technology

Waterborne heat-insulating flame-retardant multifunctional nano coating and preparation method thereof

The invention relates to a waterborne heat-insulating flame-retardant multifunctional nano coating and a preparation method thereof. The coating consists of the following components in part by weight: 48 to 52 parts of waterborne resin and 30 to 50 parts of nano pigment fillers (nano titanium dioxide, nano titanium dioxide-coated hollow glass microspheres, nano titanium dioxide-coated hollow ceramic microspheres and nano antimony-doped tin dioxide (ATO) particles), size and auxiliary materials such as film-forming additive and coupling agent. The preparation method includes the steps that: the nano fillers and the size are first dipped into the waterborne resin, the auxiliary materials are then sequentially added and stirred, and thereby the heat-insulating flame-retardant multifunctional nano coating is obtained. The processing technique is simple, the component proportion is reasonable, and the prepared coating has the advantages of high heat resistance, high reflectivity, high radiative heat conductivity, certain fire resistance, high-efficient heat insulation, excellent mechanical and chemical properties, environment-friendliness, stain resistance, flame retardance and energy saving. The coating can be coated on outside facilities such as outer walls and building roofs.
Owner:长沙新凯化工有限公司

Heat resistant aluminum alloy conductor material and preparation method thereof

The invention provides a heat resistant aluminum alloy conductor material and a preparation method thereof. The heat resistant aluminum alloy conductor material comprises the following components of 0.06-0.15 % of zirconium, 0.15-0.30 % of erbium, 0.10-0.20 % of iron, less than 0.05 % of silicon, less than 0.01 % of inevitable impurities like titanium, vanadium, chromium, manganese and the like and the balance of aluminum. According to the preparation method, the heat resistant aluminum alloy conductor material is directly rolled after each component is fused and cast. The conductor material can realize that the electric conductivity can reach 59.5-60.5 % IACS (International Association Of Classification Societies), the long-term heat resistance temperature can reach 180 DEG C and the short-term heat resistance temperature can reach 210 DEG C without heat treatment; therefore, the conductor material is an electric wire and cable conductor material with great potential. The conductor material can be widely used for construction and capacity expansion reconstruction of electric power engineering; and by using the conductor material, the transmission line capacity is largely increased, the transmission line loss is reduced, the distance between poles of the transmission line can be increased, the line building cost is reduced, the tense corridor resources are saved and obvious economic benefit and energy-saving and environment-friendly significance are obtained. The heat resistant aluminum alloy conductor material provided by the invention has the advantages of reasonable component mixing ratio, simple preparation process, convenience for realizing continuous production and suitability for industrial application; and the production cost and the energy consumption of the heat resistant aluminum alloy can be effectively reduced.
Owner:CENT SOUTH UNIV

Composite additive for preparing hematite concentrate pellet and application thereof

A composite additive for preparing hematite concentrate pellets comprises the following components: humic acid, calcium peroxide, and paigeite. During application, the composite additive is added which has a mass percent of 0.5%-1.6% of the total mass of the hematite concentrates, and the finished product pellets are obtained by pelletization, preheating, and roasting. Compared with pellets prepared by traditional technology, the hematite pellets prepared by the composite additive of the invention have improved falling strength of the green pellets, and compression strength of the finished product pellets; the preheating temperature and roasting temperature suitable for the pellets are reduced; both the preheating time and roasting time are shortened; the TFe grade is increased by 0.8%-1.2%. The composite additive of the invention has reasonable component ratios, is easy to process and manufacture, has a low using amount and a low residual amount, can significantly improve the pelletability of hematite concentrates which are difficult to be palletized, can improve the green pellet quality, has good heat stability, and can effectively reduce the preheating and roasting temperatures and shorten the preheating and roasting time of hematite concentrates. The composite additive of the invention is applicable to the production of oxidized pellets by hematites, and is especially applicable to the production of oxidized pellets by specularites. The composite additive of the invention is applicable to large-scale industrial production.
Owner:CENT SOUTH UNIV

Nickel ferrite-copper metal ceramic inert anode material and preparation method

The invention relates to a nickel ferrite-copper metal ceramic inert anode material which comprises a ceramic phase and a metal phase, wherein the ceramic phase is nickel ferrite or nickel ferrite base composite ceramic; and the metal phase consists of metal copper and cuprous oxide, and the cuprous oxide accounts for 1-20% of the total mass of the metal phase. In the preparation process, the content of the cuprous oxide in the metal phase is controlled through controlling the oxygen partial pressure of a nitrogen protection atmosphere so as to improve the wettability of the nickel ferrite and the copper and achieve the sintering infiltration preparation of the ceramic phase and the metal phase. The metal phase and the ceramic phase of the nickel ferrite-copper metal ceramic inert anode material are in a three-dimensional reticular through structure, wherein the sintering density is higher than 98%, the electric conductivity of the metal ceramic material is more than 200S/cm at a temperature of 900 DEG C, the heat conductivity is up to 40W/(m.K) at the room temperature, and the metal ceramic material cannot be cracked through temperature difference thermal shock at the temperature of 400 DEG C. The problems of difficult sintering densification of the nickel ferrite and the copper, sintering overflow of the metal phase and material thermal shock and cracks are effectively solved, and compared with a material prepared by a conventional mixed powder sintering process, the electric conductivity and the thermal shock resistance of the nickel ferrite-copper metal ceramic material are greatly improved.
Owner:CENT SOUTH UNIV

Composite antioxidant applied to copper powder

The invention relates to a composite antioxidant applied to copper powder, comprising the following components: benzotriazole, hard soap, ethanol and balance of pure water. Electrolytic copper powder is washed until pH value thereof is 1.0-3.0, adding the components to detergent, thus forming a layer of organic antioxidation protective film on the surface of copper powder, contact between the surface of the copper powder and oxygen in the water is cut off to prevent the copper powder from being oxidized in the follow-up washing process. Oxygen content of the copper powder in the invention reaches national standards; in addition, reduction process after washing the electrolytic copper powder, thus greatly saving product cost and lowering energy consumption. The components of the invention features reasonable proportioning, convenient use and can effectively copper powder oxidation resistance, save energy and simplify electrolytic copper powder production technology, reduce production cost and realize industrialized production, thus being suitable for industrialized application and enjoying fine industrialization prospect; in addition the composite antioxidant can not only serve as antioxidation protective agent in the process of producing electrolytic copper powder but also as the antioxidation protective agent in the process of storing copper powder produced by other means.
Owner:CENT SOUTH UNIV

Disease-resistant and fattening sheep breeding feed composition

The invention discloses a disease-resistant and fattening sheep breeding feed composition. The sheep breeding feed composition comprises the following components in parts by weight: 25 to 35 parts of maize straws, 4 to 6 parts of selenium -enriched yeast, 0.5 to 0.8 part of salt, 8 to 12 parts of wheat bran, 10 to 20 parts of corns, 8 to 12 parts of soybean straws, 4 to 6 parts of sorghum roots, 4 to 6 parts of soya-bean cakes, 2 to 4 parts of peanut leaves, 2 to 4 parts of liquorices, 2 to 4 parts of yam peel, 2 to 4 parts of loofah sponges, 4 to 6 parts of grass, 2 to 4 parts of tomatoes, 2 to 4 parts of collagen protein powder, 3 to 5 parts of tea seeds, 2 to 4 parts of saffron, 2 to 4 parts of mint leaves, 1 to 3 parts of caulis spatholobi, 2 to 4 parts of coffee beans, 2 to 4 parts of green tea, 1 to 3 parts of fish skin, 2 to 4 parts of sunflower seed meals, 2 to 4 parts of white hyacinth beans, 0.5 to 1 part of pepper, 2 to 3 parts of honey, 3 to 5 parts of purple potatoes, 1 to 3 parts of linden leaves. The disease-resistant and fattening sheep breeding feed composition has rational proportion in components and rich nutrition, can ensure that the sheep have antibodies against germs when being used for feeding for a long time, and improves the survival rate of lambs, and sheep fed with the feed composition is good in meat quality and body condition, the slaughter rate can be improved, the sheep grow faster and reach market weight much earlier and the feed investment is reduced.
Owner:申保林

Lithium ion battery electrolyte and preparation method thereof

The invention provides a lithium ion battery electrolyte and belongs to the technical field of lithium secondary batteries. The lithium ion battery electrolyte is composed of organic solvents, additives and lithium salt. The organic solvents are composed of a solvent A and a solvent B. According to the principle that the total mass of the organic solvents and the additives is 100%, the lithium ion battery electrolyte is prepared from, by mass, 20-30% of the solvent A, 30-69.5% of the solvent B and 0.5-50% of the additives. The solvent A is ethylene carbonate. The solvent B is one or more of methyl ethyl carbonate, dimethyl carbonate and diethyl carbonate, The additives are sulfite organic solvents. The concentration of the mass of lithium salt in the electrolyte is 0.6-1.5 mol / L. The invention further provides a preparation method of the lithium ion battery electrolyte and a lithium secondary battery. The compatible characteristic between the lithium ion battery electrolyte and electrode materials is good, the temperature adaption characteristic of the electrolyte materials is widened, and by means of the lithium ion battery electrolyte, the circulation performance, the rate performance and the temperature adaptability of the lithium secondary battery can be effectively improved.
Owner:百顺松涛(天津)动力电池科技发展有限公司

TiAl-based alloy high-temperature oxidation resistant coating and method for implementing same

The invention discloses a TiAl-based alloy high-temperature oxidation resistant coating, which comprises the following components: SiO2, Na2O and CaO. The method for implementing the TiAl-based alloy high-temperature oxidation resistant coating comprises the following steps of: firstly, taking the components of the TiAl-based alloy high-temperature oxidation resistant coating according to a proportion; heating the components to about 1,500 DEG C, keeping the temperature, and allowing the components to cool to obtain a raw material of the oxidation resistant coating; heating the raw material of the oxidation resistant coating till the raw material of the oxidation resistant coating is in a viscous state; and coating the raw material in the viscous state on the surface of TiAl-based alloy or completely immersing the TiAl-based alloy in the raw material in the viscous state to apply oxidation resistant protection to the TiAl-based alloy during processing at a high temperatue of 1,300 DEG C. The coating is reasonable in component mixing ratio, simple in production process, convenient in operation and use and low in cost, effectively prevents the oxidization of TiAl-based alloy, avoids influencing the high-temperature deformation capacity of the TiAl-based alloy, separates conveniently from a substrate at normal temperature, effectively overcomes the drawbacks of uneven deformation of easy cracking of the TiAl-based alloy, and difficult separation of a covering sleeve and the alloy in the prior art, is applicable to industrial application, and can replace the prior TiAl-based alloy high-temperature oxidation resistant process.
Owner:CENT SOUTH UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products