70results about How to "Eliminate agglomeration" patented technology

This invention relates to improving the flow of flowing streams of hydrocarbons, such as petroleum or finished products, in a conduit such as a pipeline. The present invention also relates to a stable, nonagglomerating nonaqueous suspension suitable for improving flow of hydrocarbons in conduits, particularly finished product hydrocarbons in conduits.

The invention relates to a method for preparing natural plant granular materials for filter tips, which comprises the steps of: taking dry plant stem pith, removing impurities and pulverizing and sieving the stem pith to obtain powdery materials with the mesh number greater than 80 meshes; uniformly mixing the powdery materials and auxiliary materials according to the proportion of the mass ratio being 10/10 to 0, obtaining the powdery mixed materials, stirring and uniformly mixing the powdery mixed materials by ethanol solution or water according to the proportion of the material liquid ratio being 4 to 0.5/1 and making the mixed materials into soft materials; or stirring and uniformly mixing the powdery mixed materials and water solution of the auxiliary materials according to the proportion of the material liquid ratio being 4 to 0.5/1 and making the mixed materials into soft materials; carrying out extrusion type granulation on the soft materials, and then drying granules; and sieving the dried granules by a sieve of 20 to 80 meshes, and the required natural plant granular materials for the filter tips are obtained. The natural plant granular materials for the filter tips prepared by the method has the advantages that when natural plant stem pith granules are thinner, static electricity and agglomeration properties can be eliminated, the powder granulation performance is enhanced, and the addition operability of the natural plant stem pith granular materials during the cigarette filter stick manufacture is improved.

The invention discloses a component of copolymer using in complex inorganic nanoparticles and relates to the pulp and sizing production and process technology of spinning warp sizing and paper-making glue processes. The said copolymer is a kind of ionic acrylic polymers and it is made of ionic monomers, hydrophilic monomers, acrylate monomers and few other monomers by free radical copolymerization reaction, or is made of polyacrylamide as the raw material by macromolecular chemical reaction. The said copolymer is used to prepare a new slurry component which substantial replaces PVA in the spinning warp sizing and paper-making glue processes. The said slurry contains of the mixture in a proportion of 0.1-50 % of copolymer, 0.1-50 % inorganic nanoparticles and residual water.

The invention discloses a preparation method of a silver composite antibacterial material of a carbon nano tube. The method comprises the following steps: 1, plasma activating of a carbon nano tube, namely soaking the carbon nano tube in absolute ethyl alcohol, cleaning and drying, and performing plasma activating in a plasma activating instrument; 2, sensitization of the carbon nano tube, namely preparing sensitizing liquid, sensitizing the carbon nano tube subjected to plasma activating in the sensitizing liquid, and drying the carbon nano tube after reaction; and 3, silver plating of the carbon nano tube, namely performing silver plating on the surface of the sensitized carbon nano tube under the protection of inert gases by adopting a vacuum plating machine to obtain the silver composite antibacterial material. According to the preparation method disclosed by the invention, the carbon nano tube is adopted as a supporting carrier, and the carbon nano tube is subjected to plasma activating and sensitizing in sequence, so that the activity of surface functional groups of the activated carbon nano tube is improved, and the silver plating is finally performed, so that agglomeration of silver nanoparticles can be eliminated, the problem of inactivation caused by mutual agglomeration of the silver nanoparticles can be solved, and the antimicrobial activity of the silver nanoparticles can be improved.

The invention provides a preparation method of a Li4Ti5O12/C composite material aiming at the defects that the preparation process of an existing Li4Ti5O12/C composite material is complicate and the cost is high. The preparation method comprises the following steps: on the basis of taking titanium dioxide as a titanium source and taking small molecular lithium carboxylate or a mixture of small molecular lithium carboxylate and inorganic lithium salt as a lithium source and carbon source, after adding a dispersing agent, adequately mixing by ball-milling, and firing in a muffle furnace or tube-type furnace under an inert atmosphere to obtain the Li4Ti5O12/C composite material by adopting a subsection constant-temperature sintering method. The Li4Ti5O12/C composite material prepared by the preparation method has the particle size of being 250-350nm and has good electrical conductivity and high-rate capacity. The preparation method is simple in process and low in cost, and is easily applied to industry because the Li4Ti5O12/C composite material can be synthesized by a solid phase sintering method without additionally adding the carbon source.

A drag reducing composition comprising a primary polyolefin obtained by polymerizing mono-olefins containing from about 2 to about 30 carbon atoms, and a surfactant having an HLB in the range of 6.5 to 8.5 in an aqueous suspending media.

A process for preparing the indium tin oxide (ITO) nanoparticles includes such steps as respectively dissolving In and Sn in strong acid or the soluble In salt and Sn salt in water, mixing, stirring while adding precipitant to obtain InSn deposit, washing with water and organic solvent, solid-liquid separation, adding organic solvent, azeotropic distilling, drying the filtered cake, breaking and calcining.

The present invention discloses a nanometer hydroxyapatite dispersion body and a preparation process thereof. According to the nanometer hydroxyapatite dispersion body, nanometer hydroxyapatite particles are uniformly dispersed in a liquid phase medium, the solid content of the nanometer hydroxyapatite dispersion body is 1-5 wt%, the size of the nanometer hydroxyapatite particles is 40-60 nm, theaspect ratio of the nanometer hydroxyapatite particles is 1-5, and the liquid phase medium is water, an organic solvent, the mixture of a water-miscible organic solvent and water, or the mixture of different organic solvents. According to the present invention, by combining the hydrothermal method and the super gravity technology, the microcosmic mixing effect is strengthened, and the method has advantages of low production cost, simple operation and good repeatability; the prepared nanometer hydroxyapatite dispersion body has advantages of controlled particle size, good dispersion effect andgood stability; and with the technical scheme, the problems of easy agglomeration, poor dispersibility and the like of the nanometer hydroxyapatite particles can be solved, and the product can be endowed with the high application performance and the broad application range.

The invention relates to an aerosol formulation system comprising a primary package system and an aerosol formulation therein wherein the aerosol formulation comprises insulin, a propellant and an amount of water sufficient to reach equilibrium quantities based on the moisture sorption rate diffusing across the primary package system in which the formulation is contained. In addition, the invention relates to a process for preparing the aerosol formulation systems as described herein.

The invention discloses an ultrafine pulverizer capable of classifying materials by means of an air flow impact mode. The ultrafine pulverizer comprises a rack, a pulverizing device arranged on the rack, a feeding device located on one side of the pulverizing device, a classifying device located over the pulverizing device and a cooling device located on the other side of the pulverizing device; the pulverizing device comprises a pulverizing chamber arranged on the rack and an air inlet chamber located under the pulverizing chamber; the feeding device comprises a feeding support, and the feeding support is provided with a first feeding hopper, a crushing device, a second feeding hopper and a material blowing device; the classifying device comprises a classifying box, classifying impellers are arranged in the classifying box, a flow distributing device is arranged under the classifying impellers, a fine material discharging pipe is arranged above the classifying impellers, and a material collecting device is connected to the fine material discharging pipe. According to the ultrafine pulverizer, the material agglomeration phenomenon can be reduced, therefore, the pulverizing efficiency is improved, the environmental temperature in work is lowered, and then the product quality is guaranteed.

The invention provides a hydrolysis hydrogen-production aluminum alloy and a preparation method thereof. The hydrolysis hydrogen-production aluminum alloy adopts a mechanical alloying method and takes the following components by weight percent as raw materials: 60-95wt% of Al, 0.5-10wt% of Ga, 0.5-10wt% of In, 0.5-10wt% of Sr, 1-10wt% of Bi2O3 and 1-10% of SnC12; and the hydrolysis hydrogen-production aluminum alloy with good hydrogen production performance is obtained by carrying out ball milling. Experimental results prove that the hydrolysis hydrogen-production aluminum alloy prepared by the preparation method provided by the invention is directly subjected to a reaction after being in contact with water at normal temperature and does not have reaction delay time, the hydrogen yield of the hydrolysis hydrogen-production aluminum alloy reaches 1220mL/ g, and the hydrogen production rate of the hydrolysis hydrogen-production aluminum alloy reaches 98.1%, so that the aims of producing and supplying hydrogen in real time are achieved, and the hydrolysis hydrogen-production aluminum alloy is suitable for providing a high-purity hydrogen source for a hydrogen-oxygen fuel cell automobile. The preparation method provided by the invention is low in cost as well as simple and convenient in operation, thus being applicable to industrial production.

A drag reducing composition containing a finely divided solid polyolefin friction-reducing agent formed from mono olefins containing from 2 to 3 carbon atoms, a fatty acid suspending medium and a modifier which is an oxygenated polar organic compound containing from 1 to 20 carbon atoms, water or mixtures thereof.

The invention relates to a technique for using nanometer material and ultrasonic wave to dye warp yarn into indigo blue, which comprises: wetting, dying, cleaning and drying the warp yarn, the technique is characterized in that the dying process is carried out under the ultrasonic wave effect and under the condition that the nanometer material is added into dyeing solution. A device which is used to execute the technique is provided with a stainless dye vat, wherein 8-12 energy transducers are arranged on the bottom inside the stainless dye vat, and all energy transducers are connected in parallel through a guiding wire and connected with an ultrasonic generator through the guiding wire. The technique of the invention utilizes the chemical activity and the surface effect of the nanometer material to increase the dyeing rate of dye greatly. The cavitation effect of the ultrasonic wave and the peptization of the nanometer material eliminate the aggregate ability of the nanometer material, the dying efficiency and the color fastness are greatly increased, 5-7 dye vats in traditional dying procedures are also saved, thereby the energy is greatly saved, and the pollution is reduced.

The invention discloses a method for recycling metal from a waste circuit board. The method comprises the following steps: mixing waste circuit board powder, water and a sodium salt type dispersant in a weight ratio being 1:50:0.25 to 1:80:0.6, and stirring until agglomerated powder is dispersed; and then, separating metal and nonmetal components in circuit board powder by use of a hydraulic shaking table to obtain metal concentrate and nonmetal concentrate; and finally, drying the metal concentrate and nonmetal concentrate to obtain recycled metal. The method has the characteristics that electrostatic acting force and surface tension of powder are damaged under the action of the sodium salt type dispersant, so that the circuit board powder within a relatively small particle size range is completely dispersed into water, and powder agglomeration is eliminated, and therefore, metal particles and nonmetal particles which are wrapped with each other are separated. Favorable conditions are provided for gravity separation of metal and nonmetal. The dispersant does not belong to a hazardous article, does not have corrosion action on metal and nonmetal on a circuit board, and can be recycled.

The invention discloses a high-efficiency and refined medicine pulverizer, which comprises a frame, a pulverizing device arranged on the frame, a feeding device located on one side of the pulverizing device, a classifying device located above the pulverizing device, and a pulverizing device located on the other side of the pulverizing device. The cooling device on the side, the crushing device includes a crushing chamber arranged on the frame and an air intake chamber below the crushing chamber, the feeding device includes a feeding rack, and the feeding rack is provided with a first feeding funnel, a crushing device, The second feeding funnel and blowing device, the classification device includes a classification box, a classification impeller is arranged in the classification box, a flow diversion device is arranged under the classification impeller, and a fine material outlet pipe is arranged above the classification impeller, and the fine material outlet pipe is connected to a receiving device. The invention can solve the agglomeration phenomenon of materials so as to improve the crushing efficiency and reduce the working environment temperature so as to ensure the product quality.

The invention discloses an ionic liquid grafted molecular sieve imidazole framework composite solid polymer electrolyte and a preparation method thereof. A molecular sieve imidazole framework is used for graft modification, imidazole quaternary ammonium salt ionic liquid is grafted on the surface, and modified nanoparticles are uniform in size and can be uniformly dispersed in a solvent without agglomeration. The synthesized imidazole quaternary ammonium salt grafted molecular sieve imidazole framework is used as a filler to prepare the composite solid polymer electrolyte, and the porous molecular sieve filler can improve the stability and electrochemical performance of the composite polymer electrolyte. The imidazole quaternary ammonium salt molecular sieve imidazole framework disclosed by the invention can be well dispersed in a composite polymer electrolyte, and the excellent stability of the molecular sieve imidazole framework and the high ionic conductivity of the ionic liquid are combined; and the high-performance molecular sieve imidazole framework composite solid polymer electrolyte provided by the invention has high room-temperature ionic conductivity and a wide electrochemical stability window.

The invention relates to the field of machining of magnetic materials and in particular relates to a sintered NdFeB powder orienting method which comprises the following steps: a. putting the blank NdFeB powder into a mold cavity; b. leading poles at two sides of a press into vibration or alternating current to form a vibration magnetic field; c. press-fitting a mold; and d. after press fit is completed, applying a current reverse to the smaller current on poles at two sides for carrying out demagnetization, thus obtaining a bloom. The poles at two sides of the press are circularly and alternatively fed into vibration or alternating current to form the vibration magnetic filed; the NdFeB powder dithers in the mold cavity so as to remove the clustering phenomenon of the NdFeB powder to a great extent, thus improving the orientation level and achieving better consistency for all magnetism of the bloom; and during the dithering process, the filling compactness of the powder in the mold cavity is more uniform, the initial pressing intensity after compression is more uniform, the sintered bloom has better form and position tolerance, the grinding amount of the bloom can be decreased, and the cost is lowered.

The invention relates to a method which is adopted the shearing crushing technology to prepare for producing the nickel powder with high performance. It is gained the oxidation product of the metal nickel packed by the brittle nickel oxide after the foamed metal nickel raw material is conducted the dynamic gyration oxidation treatment. The oxidation product is conducted multistage shearing crushing by the multistage shearing crusher, and generally the number of stages is from one stage to five stages. Then the crushed powder is conducted the re-oxidation treatment to gain the nickel oxide powder with fine grain. The nickel oxide powder is conducted reduction treatment in stages by cracked ammonia. Thus the high quality metal nickel powder with high purity, fine grain, and small loosing ratio is produced. The technology can be widely applied to all of the metal powder preparations adopted the oxidation reduction method. The advantage of The invention discloses that the high quality metal nickel powder with fine grain can be prepared by, the re-oxidation and the later reduction in stages after the shearing crushing of the oxidation intermediate product. The produced metal nickel powder can be widely applied to the sintered metal product (hard alloy, diamond tool, nickel iron alloy product, nickel base product) stainless steel product, battery, and chemical industry product, and so on. The features of the invention are that the non contaminant is discharged; it is good for the environmental protection; the process flow and the cost are reduced.

The invention relates to a cellulose triacetate film. Preparation steps comprise preparation of a cellulose triacetate celloidin liquid, dispersion and addition of a matting agent and tape casting, wherein in the dispersion and addition link of the matting agent, the matting agent is mixed and dispersed through ultrasonic cavitation and mechanical stirring, the dispersing time and the grinding time of the matting agent are effectively shortened by means of a method of controlling a flow rate of a pipeline, an agglomeration phenomenon in the matting agent adding process is avoided, and in the dispersion liquid adding process, the content of particles, less than 10 [mu]m, of the matting agent is stabilized to 99.5% above, so that the service life of a filter element is effectively prolonged, and the cost is lowered. Compared with the prior art, the cellulose triacetate film prepared by the invention has the advantages of being low in haze, high in light transmittance, few in crystal points, few in moisture absorption points and the like.