92results about How to "Improve powder properties" patented technology

The invention discloses a coal-based anode material, a preparation method and a lithium-ion battery. The coal-based anode material consists of a coal-based material graphitized inner layer, a middle layer and an outer layer distributed on the surface. The preparation method of the coal-based anode material comprises steps as follows: crushing a coal-based material; then adding a binder or mixing the binder and a modifier; then performing pressing and high-temperature graphitization to form a finished product. The coal-based anode material adopts a stable graphite structure, the surface has good compatibility with an electrolyte, and the coal-based anode material has the high specific capacity, the high conductivity, the high rate capability as well as excellent electrolyte absorbing performance and cycle performance. According to the preparation method, the anode material is prepared from the low-price coal-based material used as a raw material, the technology is simple, industrialization is easy to realize, and meanwhile, the application of the coal-based anode material in the field of the lithium-ion battery is promoted.

A lithium transition metal based compound powder for a lithium secondary battery positive electrode material, characterized by including a lithium transition metal based compound, which has a function of enabling insertion and elimination of lithium ions, as a primary component and being produced by conducting firing after at least one type of compound (hereafter referred to as “Additive 1”) containing at least one type of element (hereafter referred to as “Additive element 1”) selected from B and Bi and at least one type of compound (hereafter referred to as “Additive 2”) containing at least one type of element (hereafter referred to as “Additive element 2”) selected from Mo and W are added in combination to a raw material of the primary component at a ratio of a total of Additive 1 and Additive 2 to a total amount of moles of transition metal elements in the raw material of the primary component of 0.01 percent by mole or more, and less than 2 percent by mole.

The invention relates to yttria-stabilized zirconia powder and a preparation method thereof. The yttria-stabilized zirconia powder has the composition characteristics that yttria is taken as a stabilizer of a zirconia material; the powder comprises a doping system formed by one or more following third components: alumina, ceria, lanthana, copper oxide, magnesium oxide and calcium oxide, wherein the weight of the yttria is 2-8mol%, and the total doping weight of the alumina, the ceria, the lanthana, the copper oxide, the magnesium oxide and the calcium oxide is 0-5wt%. According to the yttria-stabilized zirconia powder and the preparation method, the deficiencies of an existing liquid phase preparation process of nanometer zirconia powder are overcome, and the prepared nanometer ZrO2 composite powder has the performance of uniformity in dispersion of components, uniform grain size, super-fineness, high sintering activity, good liquidity and the like. Furthermore, the preparation method is simple in process and low in cost and is easy to industrialize.

The invention relates to a dry powder inhalation with low-density or ultralow-density inhalable medicinal powder, a method for preparing the dry powder inhalation and application of the dry powder inhalation in preparing medicament for treating tumor, in particular lung tumor. The dry powder inhalation can deliver the tumor medicament to the lung directly so as to improve the medicament effect andreduce side effect; and the 'foaming' technology adopted for preparing the dry powder inhalation optimizes the micromeritic properties of the medicinal powder, and greatly improves the deposition performance of the tumor medicinal dry powder inhalation. The dry powder inhalation, the preparation method and the application thereof are also suitable for preparing non-vector dry powder inhalation toovercome the defects of uneven mixture between medicament and vector easily occurring in the dry powder inhalation.

To provide an anionic surfactant powder comprising a polyoxyalkylene ether sulfate which powder has high stability in hard water, high low-temperature solubility and is improved in powder characteristics such as caking characteristics, and a method of producing the anionic surfactant powder. An anionic surfactant powder comprising polyoxyalkylene alkyl ether sulfates in which the average addition mol number of alkylene oxides is 0.05 to 2, wherein the content of the polyoxyalkylene alkyl ether sulfates provided with alkylene oxides added thereto in an amount of 4 mol or more is 30 % by weight or less based on the total anionic surfactant, an anionic surfactant powder further comprising a water-soluble inorganic salt, a method of producing each of these anionic surfactant powders, and a detergent composition and a cement additive comprising these anionic surfactant powders.

A process for the production of polymer particles having excellent powder characteristics which involves little structural restriction of the starting polymer fine particles; matte or light-diffusing resin compositions which contain the polymer particles and which are excellent in physical properties and handleability; and moldings of the compositions. The resin compositions are characterized by comprising polymer particles (C) which are obtained by mixing a latex of polymer fine particles (A) having a volume-mean particle diameter of 1 to 50[mu]m with a polymerizable monomer (B), a polymerization initiator, a suspending dispersant, and a coagulant and subjecting the obtained mixture to granulation and suspension polymerization and which have a volume-mean particle diameter of 100 to 6000[mu]m and a content of fine powder of 50[mu]m or smaller of 15 percent by weight or below and at least one base resin (D) selected from the group consisting of thermoplastic resins, thermosetting resins, and elastomers.

The invention relates to a magnetoplumbate-type permanent magnetic ferrite and a manufacturing method thereof, which relate to the field of the permanent magnet. Main component of the magnetoplumbate-type permanent magnetic ferrite is expressed by the following formula: (1-x-y)Ca0.xSrO.(y / 2)R2O3.(n-z / 2-m / 2)Fe2O3.zMO.MzrO2, wherein R is of at least one element of La, Nd and Pr and contains La, M is selected from at least one element of Co, Zn, Ni, Mn and Cu and contains Co, and x, y, z, m and n respectively indicating the addition ratio of each main metal element calculated at mol. By adopting optimized formula and process design and adding less Zr element, the Zr element is introduced into ferrite lattice during the pre-burning process so as to inhibit the growth of abnormal crystal particle and to reduce the pores; moreover, N(CH2CH2OH)3 dispersing agent is particularly added, the appearance of the powder particles is effectively controlled, so the obtained crystal particles are moreuniform, the arrangement of the crystal structure is more compact, and the permanent magnetic ferrite material is obtained under the condition that substitute of the Co element is not high.

The invention discloses a preparation method of an acrylate-styrene-acrylonitrile nuclear shell grafted copolymer. The method comprises the following steps of 1 preparing seed latex, 2 preparing acrylate rubber nuclear, 3 preparing a rubber nuclear with the outer surface containing an initiator monomer, and 4 preparing a grafted SAN shell layer. The method can effectively improve the SAN shell layer grafting rate, the problems that wrapping of the acrylate rubber nuclear is not right or uniform are avoided, meanwhile, the powder characteristic of the grafted copolymer is improved, and the dyeing property is remarkably improved. Meanwhile, under the condition that no agglomeration technology is performed, the grain size of the acrylate rubber nuclear can reach 180-600 nanometers, and the impact performance is improved.

The invention discloses a preserved plum powder tabletting candy produced by directly tabletting complete powder, and a preparation method. The preserved plum powder tabletting candy is prepared from the following ingredients by weight: 4-10% of preserved plum powder, 5-12% of retrogradation starch, 5-15% of microcrystalline cellulose, 20-30% of mannitol, 18-25% of glucose, 15-25% of lactose, 2% of magnesium stearate and 10% of corrigent. The finished preserved plum is harmony in taste, tender in sour and sweet and sufficient in cooling feeling. Through addition of various additives and regulation in ratios, the characteristics of the powder are improved after the additives are uniformly mixed with the preserved plum powder, and the overall flowability, the compressibility and the shaping capability of the powder meet the requirements on direct powder tabletting; and the preserved plum powder tabletting candy mainly has the characteristics that a complete powder direct tabletting process is adopted, and simplicity, rapidness and convenience are obtained.

The invention relates to the field of propolis product processing, and particularly relates to a deep processing preparation method for a propolis powder, and a product thereof. The preparation method comprises the following steps: hardening and crushing a propolis raw material to obtain a propolis raw material powder; carrying out alcohol extraction on the propolis raw material powder to obtain a thick propolis extract paste; and mixing the thick propolis extract paste with amino acid and auxiliary materials, grinding, carrying out freeze drying, and crushing to obtain the propolis powder. According to the preparation method disclosed by the invention, the mixing condition of propolis and the auxiliary materials is improved through adding the amino acid into the thick propolis extract paste, thus the propolis can be uniformly mixed with the auxiliary materials, and then the propolis can be smoothly dried to obtain the propolis powder with good powder characteristic; and meanwhile, the propolis powder prepared by the process is suitable for propolis capsules (comprising hard capsules and soft capsules), propolis tablets and the like, and is capable of remarkably improving the problem of disintegration of propolis products.

The invention discloses corn high-gluten flour and a preparation method thereof. The preparation method comprises the following steps of adding water into corn grits, uniformly stirring, carrying out extrusion puffing treatment to obtain puffed corn flour, adding purified corn flour and glucose oxidase into the puffed corn flour, and uniformly stirring to obtain the corn high-gluten flour. The preparation method has simple processes and a low cost. The flour dough of the corn high-gluten flour has good ductility and viscoelasticity and a fine, fresh and smooth taste and can be processed into various foods.

The invention pertains to a particulate composition comprising calcium lactate and calcium citrate microparticles having an average diameter from 0.1 [mu]m to 20 [mu]m, wherein the composition is in the form of particles with an average diameter from 25 [mu]m to 1 mm, wherein the ratio by weight of calcium lactate to calcium citrate, based on the dry weight, is 80:20 to 30:70, and wherein the calcium lactate is a non-polymeric agglomeration agent for the calcium citrate microparticles. The invention further relates to a process for producing the particulate composition wherein an aqueous solution of calcium lactate comprising calcium citrate microparticles is spray-dried to the particulate composition, to the use of the particulate composition as calcium-enhancer, and to alimentary products.

The invention discloses a method for improving the flour processing quality by applying recombined wheat endoplasmic reticulum sulfydryl oxidordeuctase, and belongs to the scientific field of genetic engineering and cereals. The method comprises the following steps: protokaryon expresses and purifies the recombined wheat endoplasmic reticulum sulfydryl oxidordeuctase, uniformly stirring the recombined enzyme with flour, sugar, salt (NaCl), plant oil, yeast powder and water to form dough, cutting, weighing, forming and fermenting the formed dough, and baking the dough to obtain a bread finished product. According to the adding level, 0.05 to 0.2 percent (w / w, flour-based) of the recombined wheat endoplasmic reticulum sulfydryl oxidordeuctase is added. The recombined wheat endoplasmic reticulum sulfydryl oxidordeuctase used in the method can obviously improve the flour processing quality, to improve the baking quality such as the specific volume, the height-diameter ratio, the elasticity and the hardness of bread; the improvement effect is equivalent to that of a strong chemical reinforcement agent (azodicarbonamide). Therefore, the recombined wheat endoplasmic reticulum sulfydryl oxidordeuctase can replace the strong chemical reinforcement agent (azodicarbonamide) to be used in the industry of flour product processing.

The invention discloses a lactoprotein concentrate with high thermal stability and a preparation method thereof The method comprises the following steps of: 1, degreasing raw milk, adding emulsified salt, wherein the mass volume percentage of the emulsified salt is 0.1-0.5%, the emulsified salt is selected from two or three of sodium citrate, sodium pyrophosphate and trisodium phosphate, and the mass ratio of the sodium citrate to the sodium pyrophosphate is 2:3-3:2, the mass ratio of the sodium citrate to the trisodium phosphate is 3:7-7:3, and the mass ratio of the sodium pyrophosphate to the trisodium phosphate is 3:2-4:1, stirring for 5-10min at the speed of 50-100r / m and the temperature of 50-55 DEG C, regulating the pH value to be 5.0-6.5, and sterilizing; evaporating to concentrate or filter washing to concentrate after ultra-filtering at the temperature of 10-40 DEG C, and spray drying. According to the preparation method of the lactoprotein concentrate, the albuminous degeneration is well prevented, and the production efficiency is improved. The prepared lactoprotein concentrate has good thermal stability at high temperatures.

The invention discloses a preparation method of selenium carrageenan. The preparation method comprises the following steps that carrageenan is degraded by ultrasonic under the condition of acidic ice-water bath, and is reacted with seleninic acid or selenite under catalysis of barium ions or calcium ions, sodium sulfate sediment is added to remove the barium ions or the calcium ions, separation isachieved through a separation membrane after neutralizing, and finally maltodextrin spray drying is added to prepare selenium carrageenan powder. According to the preparation method, the carrageenanis degraded by the ultrasonic, more rapidness, mildness and environment-friendly are achieved; organic macromolecule selenium carrageenan is separated from micromolecule selenium carrageenan and otherinorganic substances more efficient and environmental-friendly throughseparation membrane filtration; and according to using of the spray drying, the particle size is more uniform, the production link is more sanitary, and the product purity is high.

The invention discloses a steel-copper composite wear-resistant material for a laser manufacturing rolling mill screw box. The alloy material is characterized in that the alloy material takes brass asbasis, Al, Mn, Fe and Ni elements are added at the same time, the steel-copper composite wear-resistant material is prepared from the components by mass in percentage : 10-47% of Zu, 2-9% of Al, 2-5%of Mn, 1-5% of Fe, 1-5% of Ni, and the balance of Cu. According to the steel-copper composite wear-resistant material for the laser manufacturing rolling mill screw box, the alloy material ratio andlaser cladding process parameters are optimized, thus a high-intensity copper alloy cladding layer combined with base material metallurgy can be manufactured on the rolled steel base material througha laser cladding technology by the high-intensity wear-resistant alloy material, the using needs of the rolling mill screw box can be met by the tenacity, corrosion resistance and abrasion resistanceabilities, the production cost can be lowered, and the service life can be prolonged.

The present invention provides buckwheat noodles. The buckwheat noodles are prepared from the following raw materials in parts by weight: 50-70 parts of wheat flour, 30-50 parts of buckwheat flour, 1-10 parts of refine konjac flour, 1-6 parts of vital gluten, 1.5-2 parts of refined salt, 0.15-0.2 part of roasted buckwheat flour, 0.15-0.2 part of edible base and 0.02-0.04 part of additive. The refine konjac flour is added into the raw materials of the buckwheat noodle, which improves the palatability of the fine dried noodles, breaking resistance strength and nutritional value.

The invention discloses quick-frozen pan-fried pork buns. The wrappers of the pan-fried pork buns comprise the following raw materials in parts by weight of 95-105 parts of medium-gluten flour, 0.15-0.35 part of yeast, 0.8-1.3 parts of white sugar, 0.3-0.5 part of baking powder, 0.8-1.3 parts of emulsified oil, 2-5 parts of lard, 0.2-0.4 part of a wrapper modifier and 51-54 parts of water. The wrapper modifier is added to the wrappers, so that the mouth feel of the wrappers can be notably improved, the stability can be improved, and the quality guarantee period can be prolonged. The inventionalso provides a making method of the quick-frozen pan-fried pork buns. Dough leavening is performed in a freezer, fermentation is performed in the freezer of 0-5 DEG C for one night, on the next day,the effect of half-leavened dough can be achieved, and the wrappers of the pan-fried pork buns can be tenacious and cannot retract; and dough is put in a pork bun making machine for shaping, secondaryleavening is not used, the pan-fried pork buns are directly put in a tunnel for quick-freezing, the technology is simplified and controllable, and the production efficiency is greatly improved.

A lithium transition metal based compound powder for a lithium secondary battery positive electrode material, characterized by including a lithium transition metal based compound, which has a function of enabling insertion and elimination of lithium ions, as a primary component and being produced by conducting firing after at least one type of compound (hereafter referred to as “Additive 1”) containing at least one type of element (hereafter referred to as “Additive element 1”) selected from B and Bi and at least one type of compound (hereafter referred to as “Additive 2”) containing at least one type of element (hereafter referred to as “Additive element 2”) selected from Mo and W are added in combination to a raw material of the primary component at a ratio of a total of Additive 1 and Additive 2 to a total amount of moles of transition metal elements in the raw material of the primary component of 0.01 percent by mole or more, and less than 2 percent by mole.

The invention discloses a composite high temperature piezoelectric ceramic material. The composite high temperature piezoelectric ceramic material includes two-phase ceramic, one phase is CaBi4Ti4O15 ceramic, and the other phase is BiFeO3 ceramic, the general formula is CaBi4Ti4O15-xBiFeO3, wherein x is 0.2-0.4. The invention also discloses a preparation method of the composite high temperature piezoelectric ceramic material. The piezoelectric constant and resistivity of the composite piezoelectric ceramic material are both greater than those of the single-phase CaBi4Ti4O15 piezoelectric ceramic material, so that compared with the single-phase CaBi4Ti4O15 piezoelectric ceramic material, the composite piezoelectric ceramic material is more suitable for preparation of piezoelectric sensors and piezoelectric actuators working under a high temperature condition. Also the preparation method has the advantages of stable process, simple operation, no need for special equipment and harsh conditions, and easy mass production.

The invention discloses a highland barley beta-glucan extract, a frozen sweet dough, preparation methods therefor and sweet dough bread. The frozen sweet dough comprises the following raw materials: frozen dough mixed powder, water, the highland barley beta-glucan extract, fresh yeast, lactic acid, whole milk powder, butter, ghee, liquid whole egg, salt, a frozen dough improver, sugar, honey and citric acid. According to the invention, the highland barley beta-glucan extract is applied to the frozen sweet bread, so that the problem that the healthcare function of the highland barley beta-glucan cannot be exerted in the bread is solved, the effect of the highland barley beta-glucan is fully exerted, and the unnecessary mutual repulsion effect is reduced; and the provided frozen sweet breadcan meet the needs of people of different ages for safe, delicious and healthy functional baked foods.

The present invention provides a particulate composition wherein an oil component (A) comprising a water-insoluble bioactive substance is poly-dispersed while forming a domain in a matrix comprising of a water-soluble excipient based on a water-soluble polymer, and wherein the sphericity of the particulate composition is not less than 0.9 and a method of producing the same. The particulate composition simultaneously has excellent water solubility, workability, tabletability and heat-resistance. It also provides a food, food with nutrient function claims, food for specified health uses, nutritional supplement, nutritional product, animal drug, drink, feed, pet food, cosmetic, pharmaceutical product, therapeutic drug, prophylactic drug and the like, which contain the particulate composition.

The invention discloses a preparation method of calcium rosin derivative chelate modified nano or light CaCO3 powder. The method comprises the following steps: smashed rosin / modified rosin or isolatedpine resin acid is added to acrylic acid or fumaric acid, the mixture is blended with excess Ca(OH)2 solution or lime milk and a surfactant, saponification is performed, and rosin / modified rosin derived calcium and calcium chelate or isolated resin acid derived calcium and calcium chelate are generated; then CO2 and excess Ca(OH)2 or lime milk are subjected to a reaction by means of supercavitation, CaCO3 is generated, nano or light CaCO3 precipitates modified with calcium rosin derivative chelate are prepared from rosin / modified pine resin acid or isolated pine resin acid and pine resin acidderived calcium and calcium chelate, and a powder material is prepared through pneumatic drying. The method adopts a simple process, the obtained calcium rosin derivative chelate modified nano or light CaCO3 powder has excellent performance, can remarkably improve physical properties of a material when used as an auxiliary or a modifying material and can be widely applied to various fields.

The invention provides an ultrahigh molecular weight ethylene-alpha-olefin copolymer powder having an intrinsic viscosity of 5 dl / g or more, a DSC melting point of 122 DEG C. or less, an apparent bulk density of 0.30 g / cm<3> or more, and a flow-down rate of 20 g / 10 seconds or more. Also, provided is an ultrahigh molecular weight ethylene-alpha-olefin copolymer powder having an intrinsic viscosity of 5 dl / g or more, a DSC melting point of 122 DEG C. or less, a median diameter of 1 to 3000 [mu]m, and a particle size distribution parameter (SPAN) of 3 or less.

The invention discloses low-density high-thermal-shock-resistance composite ceramic powder and a preparation method thereof. The composite ceramic powder comprises the following components in percentages by mass: 80-95% of mullite powder, 0-5% of silicon carbide powder, 0-5% of silicon dioxide powder, 0-2% of zirconium oxide powder and 0-10% of cordierite powder. The nano mullite-cordierite powderis taken as a matrix, zirconium oxide, silicon carbide and silicon dioxide are added into the nano mullite-cordierite powder, the cordierite has effects of reducing the linear expansion coefficient of the material and improving the thermal conductivity of the material, the silicon carbide improves the thermal conductivity, and the zirconium oxide has effect of improving the toughness of the composite ceramic, so that the thermal-shock-resistance low-density composite ceramic material is obtained.

The purpose of the present invention is provite a process for producing an olefin polymer, which can produce an olefin polymer having a higher molecular weight even in the presence of hydrogen and can obtain an olefin polymer having good powder characteristics by lowering hydrogen concentration efficiently in polymerizing an olefin in the presence of hydrogen by use of a gas phase reaction vessel. There is provided a process for producing an olefin polymer comprising the steps of: using a gas phase reaction vessel; polymerizing an olefin by use of a catalyst for olefin polymerization in the presence of hydrogen; adding a hydrogenation catalyst into the gas phase reaction vessel; and adding a polymerization activity depressant.

The invention relates to a toughened PVC (polyvinyl chloride) resin with high apparent density and a preparation method thereof, which belong to a high-molecular compound composition and particularly relate to improvement of the apparent density performance index of PVC resin. The PVC resin is modified with water-based toughening latex. The toughened PVC resin is characterized by being prepared with raw materials in parts by weight: 100 parts of PVC resin, 1-13 parts of toughening latex counted by solid content, 1-10 parts of release agent emulsion counted by solid content, 5-500 parts of flocculant solution counted by solution weight, 1-2 parts of liquid anti-aging agent counted by the weight percentage of the toughening latex, and 60-400 parts of deionized water. The invention provides the toughened PVC resin with high apparent density, wherein toughened and modified rubber particles are uniformly dispersed in the PVC resin. The invention also provides a preparation method of the toughened PVC resin with high apparent density with the advantages that the equipment is simple, the operation is convenient, the resin can be dried easily, and the production cost is low. The apparent density of the toughened PVC resin with different rubber contents can be more than or equal to 0.40g / mL.

The invention relates to a fructus lycii tablet and a preparation method thereof. The fructus lycii tablet is prepared by the following steps: drying surface moisture of clean and dry fructus lycii ina drying oven, then putting the dried fructus lycii into a refrigerator for low-temperature freezing, then performing blended comminuting on the fructus lycii and auxiliary materials in a comminutorto obtain modified fructus lycii powder, adding magnesium stearate and performing uniform mixing to obtain mixed powder, and finally, directly tabletting the mixed powder. By adopting the preparationmethod of the fructus lycii tablet provided by the invention, the problem that the existing fructus lycii is not easy to comminute due to high sugar content and relatively high viscosity can be effectively solved, and the product quality of the fructus lycii tablet is improved.

The invention relates to a traditional Chinese medicinal preparation, and concretely relates to a blood stasis removing capsule containing Salvia miltiorrhiza and Radix Astragali, and a preparation method thereof. The capsule is composed of a traditional Chinese medicinal extract product and auxiliary materials. A weight ratio of the traditional Chinese medicinal extract product to the auxiliary materials is 10:0.2-0.8; the traditional Chinese medicinal extract product is prepared by using the following raw materials, by weight, 150 parts of Radix Astragali, 150 parts of Salvia miltiorrhiza, 75 parts of Radix Codonopsis, 75 parts of Chinese yam, 100 parts of Glabrous Greenbrier Rhizome, 75 parts of Chinese angelica, 150 parts of Millettia dielsiana, 75 parts of Semen Euryales, 150 parts of Herba Houttuyniae, 45 parts of Rhizoma Sparganii, 150 parts of Herba Patriniae, 15 parts of cinnamon, 45 parts of Rhizoma Atractylodis Macrocephalae, 22.5 parts of baked ginger, 45 parts of Fructus Toosendan, 75 parts of Sophora flavescens, 75 parts of scorpion, 45 parts of Rhizoma Curcumae, 75 parts of ground beetle and 75 parts of Corydalis tuber; and the auxiliary materials comprise, by weight, 5-10 parts of crosslinked sodium carboxymethyl cellulose, 1-3 parts of alpha-lactose and 2-6 parts of microcrystalline cellulose.

A novel method of particle formation by which aggregated latex particles extremely reduced in the content of fine particles and coarse particles and satisfactory in powder properties including blocking resistance and powder flowability can be recovered from a polymer latex without deteriorating the original quality possessed by the polymer itself. The process for producing aggregated latex particles is characterized in that a polymer latex containing a water-soluble polymer having the property of forming a physical gel is atomized or dropped in a gas phase containing an inorganic salt and / or an acid in an aerosol state and the droplets of the polymer latex are caused to fall or come into an aqueous phase.