42results about How to "Guaranteed Dispersion" patented technology

The invention discloses a filling masterbatch used in biodegradable plastic. The masterbatch is composed of components of, by mass: (A) 20.0-80.0% of biodegradable polyester, (B) 1.0-80.0% of a filling material, (C) 0.1-10.0% of a lubricating agent, (D) 0.1-5.0% of a high-temperature-resistant agent, and (E) 0.1-5.0% of a hydrolysis-resisting agent. The masterbatch is advantaged in that: (1) compatibility of the carrier is consistent with that of the biodegradable plastic, such that the filling masterbatch has excellent dispersity in the biodegradable plastic; (2) the obtained filling masterbatch satisfies an application requirement of biodegradable plastic En13432; when the filling masterbatch is mixed with biodegradable plastic, the biodegradation performance of the original material is completely maintained; (3) high temperature and hydrolysis resistances of the filling masterbatch are good, and the filling masterbatch has high physical mechanical properties; (4) with the filling masterbatch, while the cost of biodegradable plastic is reduced, physical chemical properties especially the biodegradation performance of the filled material are maintained.

The invention relates to an anti-hydrogen embrittlement, high-strength and high-toughness stainless steel bar for a fastener, and a manufacturing method thereof, belongs to the technical field of metal materials, and solves the problem of low matching degree of anti-hydrogen embrittlement property and high toughness of a fastener used in an aerospace environment. The anti-hydrogen embrittlement, high-strength and high-toughness stainless steel bar for the fastener comprises the following elements in mass fraction: 0.0001%-0.01% of C, 0%-0.10% of Si, 0.01%-0.15% of Mn, 0%-0.005% of S, 0%-0.015%of P, 10.50%-12.50% of Cr, 10.70%-11.50% of Ni, 0.75%-1.25% of Mo, 1.20%-1.70% of Ti, 0%-0.10% of Al, not greater than 1.5ppm of H, and the balance iron and inevitable impurities. The stainless steelbar meeting the comprehensive performance of high strength, high toughness and anti-hydrogen embrittlement property simultaneously is prepared, and the use requirement of the fastener making contactwith a corrosive medium and used for the aerospace environment is met.

The invention provides highly dispersible black colorant rubber. The highly dispersible black colorant rubber comprises, by mass, 30% of butadiene-styrene rubber, 18.5% of calcium carbonate, 8% of softening oil, 42% of carbon black, 1% of an anti-aging agent and 0.5% of a slipping agent. The invention also provides a preparation method of the highly dispersible black colorant rubber. The preparation method can ensure that the carbon black and auxiliary agents in the rubber can be uniformly supported by the carrier rubber, keep good color development physical properties and a dispersion degree of the black rubber, and satisfy colorant rubber plasticity demands in later processes such as normal rolling and extrusion.

The invention provides anti-yellowing black color glue. The anti-yellowing black color glue comprises the following components in percentage content by mass: 35% of styrene butadiene rubber, 18% of calcium carbonate, 8% of softening oil, 35% of carbon black, 2.5% of an antioxidant, and 1.5% of a slipping agent. The invention further provides a preparation method of the anti-yellowing black color glue. By adopting the anti-yellowing black color glue and the preparation method of the anti-yellowing black color glue, glass cement rubber outsoles generated by a client can be ensured to be not yellowed from black and produce no color shift, furthermore, the black color glue is kept in good color development physical properties and dispersion degree, and the color glue has plasticity requirements of subsequent processing procedures of capabilities of carrying out normal rolling, extrusion and the like.

The invention provides a preparation method of an anglerfish bone biochar material capable of adsorbing heavy metal. The preparation method comprises the following steps: taking a proper amount of cutand unfrozen fish bones, removing meat attached to the fish bones by boiling water, pulverizing and sieving; performing two-step hydrothermal carbonization on the fish bone powder in an activating agent solution and by a high-pressure reaction kettle, and performing high-temperature pyrolysis carbonization in nitrogen atmosphere to obtain the anglerfish bone biochar material capable of adsorbingthe heavy metal. The prepared anglerfish bone biochar material has large specific surface area and good effect of adsorbing the heavy metal in wastewater, greatly increases the additional value of theanglerfish bones, and is green and economic.

The invention relates to the field of bearings and provides a combination bearing for a disc-shaped elevator tractor. The combination bearing comprises an inner bearing ring and a first outer bearing ring and a second outer bearing ring which are located on the inner bearing ring; the first outer bearing ring and the second outer bearing ring are closely arranged along an axial direction of the inner bearing ring; a radial cylindrical roller component is arranged between the first outer bearing ring and the inner bearing ring; a ball bearing component is arranged between the second outer bearing ring and the inner bearing ring; a first sealing ring is arranged between the first outer bearing ring and the axial outer end of the inner bearing ring; a second sealing ring is arranged between the second outer bearing ring and the axial outer end of the inner bearing ring. The combination bearing is mainly designed for the machinery, such as the elevator tractor; the combination bearing can simultaneously bear the radial load and the axial load, and is especially suitable for the occasions with higher rotating speed and higher axial load; the assembling and disassembling are simple and the bearing capacity is ultrahigh; the combination bearing has an excellent sealing effect and can guarantee that the lubricating grease does not leak in the running process of the bearing.

The invention relates to the field of bearings, in particular to a combination bearing suitable for an elevator disc tractor. The combination bearing comprises a bearing inner ring, a first bearing outer ring and a second bearing outer ring, wherein the first bearing outer ring and the second bearing outer ring are positioned on the bearing inner ring, the first bearing outer ring and the second bearing outer ring are arranged in the axial direction of the bearing inner ring in a gathered manner; a radial cylindrical roller assembly is arranged between the first bearing outer ring and the bearing inner ring, a ball bearing assembly is arranged between the second bearing outer ring and the bearing inner ring, four-point contact of the ball bearing assembly in the radial direction and the axial direction is achieved, and it is necessary to note that four-point contact is that two end points, in the axial direction of the bearing inner ring, of the ball bearing assembly and two end points, in the radial direction of the bearing inner ring, of the ball bearing assembly make contact with a component to form positioning. The combination bearing is mainly designed for the elevator tractor and other machines; due to the fact that the combination bearing can bear radial loads and axial loads at the same time, the combination bearing is especially suitable for occasions where the rotating speed is relatively high and relatively large axial loads exist; and the combination bearing is easy to mount and demount and very high in bearing capacity.

The invention provides a seed analyzer for measuring the thousand kernel weight of wheat in a laboratory, and belongs to the technical field of thousand kernel weight analyzers. The seed analyzer formeasuring the thousand kernel weight of wheat in a laboratory comprises a work table, a counting mechanism, a seed spreading mechanism, and a sweeping mechanism. A counting groove is formed in the upper end of the work table. A counting plate is arranged in the middle of the counting groove. A weighing instrument is arranged at the lower portion of the counting plate. The counting mechanism is arranged at the edge of the upper end of the work table. The seed spreading mechanism is arranged in the counting groove and comprises a feeding assembly, a seed spreading assembly and a driving assembly. The seed spreading assembly is arranged at the lower end of the feeding assembly. The driving assembly is arranged beside the feeding assembly. The sweeping mechanism is arranged at one side of theseed spreading mechanism and comprises a sweeping assembly and limiting assemblies, wherein the limiting assemblies are arranged at both ends of the sweeping mechanism. According to the seed analyzerfor measuring the thousand kernel weight of wheat in a laboratory, the seeds can be effectively prevented from being stacked together, and the counting and weighing speed is improved.

The invention discloses a processing technology of deep sea fish oil in high EPA (Eicosapentaenoic Acid) DHA (Docosahexaenoic Acid) contents. The deep sea fish oil is subjected to the technologies such as fish oil pretreatment, decoloration and deodorization, fractionation and winterization. According to the processing technology disclosed by the invention, decoloration and deodorization are combined together, heating time is shortened while refining of oil is carried out at a lower temperature, DHA and EPA in the fish oil can be effectively prevented from being decomposed during a deodorization and decoloration process due to too high temperature, the probability of oxidation is reduced, meanwhile, generation of pollutants such as trans-fatty acid can be controlled, and the DHA and EPA contents of products can be increased; meanwhile, the DHA and EPA contents in the fish oil can be further increased through refining and an improved secondary winterization process, the DHA and EPA contents in the fish oil which is finally obtained through a method are three times or above higher than those of common fish oil, and the fish oil can be directly applied to healthcare products and babyfood.

The invention relates to a graphene composite heat dissipation film. The composite heat dissipation film is a laminated sheet layer of at least 20 layers or more, and comprises 100 parts by weight ofgraphene nanoplatelets with large radial sizes and 0.5-2 parts by weight of ZnO quantum dots 90% attached to the surface of graphene. The preparation steps include a graphene nanoplatelets preparationstep, a preparation step, a dispersion liquid preparation step and a heat dissipation film preparation step.

The invention relates to the field of ceramics, and particularly discloses a low-shrinkage porous ceramic component, an injection feed and a preparation method thereof. The porous ceramic component comprises inorganic framework whiskers, an inorganic bonding material and an inorganic filling material, and the inorganic framework whiskers comprise one or more of SiC whiskers, Al2O3 whiskers, SiO2 whiskers and AlN whiskers; the preparation method comprises the following steps: uniformly ball-milling the treated ceramic components, internally mixing with an injection accelerator, an injection skeleton agent, an injection filler and a plasticizer, adding into a granulator to prepare the injection feed after the internal mixing is completed, finally injecting the injection feed into a ceramic green body, discharging glue, and sintering to obtain the low-shrinkage porous ceramic. The low-shrinkage porous ceramic disclosed by the invention can be applied to the fields of electronic cigarettes, atomization medical treatment and atomization cosmetic instruments, and has the advantages of low shrinkage rate, controllable size, high product percent of pass and the like.

The invention relates to the technical field of catalysts, in particular to a supported metal catalyst and a preparation method and application thereof. The supported metal catalyst comprises a supporter and metal supported on the supporter, wherein the supporter is an aluminum-containing precursor of a framework structure with ducts, and the diameter of each duct is 1-5 nanometers; the metal is transition metal, and the particle size of the metal is 2-15 nanometers. The supported metal catalyst is high in conversion rate and high in selectivity. By the preparation method, the supported metalcatalyst with high conversion rate and selectivity can be prepared. The supported metal catalyst can be applied to methane preparation using synthetic gas.

A pneumatic conveying variable spray head comprises a housing, a nozzle is arranged in the front end of the housing, the rear end of the nozzle is fixedly connected with a sliding plug, a pipe base is arranged in the sliding plug in a sleeved mode and connected with one end of a water inlet pipe, and the nozzle, an inner cavity of the sliding plug, an inner cavity of the pipe base and the water inlet pipe form a cavity used for liquid circulation. The spray nozzle is provided with multiple layers of spray outlets capable of moving relatively, can be adjusted in a segmented manner, can adjust and control the positions of the fog drop outlets according to the change of wind power by driving a sliding plug through blades, has the function of adjusting the spray angle along with the wind speed, realizes the change of the annular spray flow section along with the wind speed, effectively guarantees the dispersion degree of fog drops, and can be used for spraying the fog drops even if the wind speed is increased. And by increasing the diameter of the spraying section, the fog drop concentration in the wind field is relatively uniform, the spraying section is controllable, and the requirement of accurate variable spraying is met.

The invention discloses a heat-conducting hexagonal boron nitride hybrid material, a preparation method and application thereof. The heat-conducting hexagonal boron nitride hybrid material of the present invention includes hexagonal boron nitride, and is characterized in that: the hexagonal boron nitride is coated with a polymer layer, and the polymer layer or / and surface load There are silver nanoparticles. The preparation method includes the following steps: preparing a hexagonal boron nitride dispersion, preparing a few-layer hexagonal boron nitride suspension, preparing a mixture solution containing a polymer, hexagonal boron nitride and silver salt, and reducing the silver salt to the polymer. Silver nanoparticles are generated in situ on the layer. Thermally conductive hexagonal boron nitride hybrid material has high thermal conductivity and heat resistance, and stable performance.

The present invention provides a method for preparing an EVA emulsion by adding an alcohol solvent. The method comprises: in a water phase solvent, carrying out an emulsion copolymerization reaction on ethylene and a vinyl acetate (VAc) monomer, and adding an alcohol compound as a second solvent during the copolymerization process. According to the present invention, the method has advantages of polymerization rate controlling, significantly-reduced product viscosity, particle morphology and toughness strength maintaining, and polymerization reaction time shortening; and the obtained EVA emulsion product has advantages of good stability, moderate VAc content and excellent performance, and can meet different needs.

The invention discloses a domestic stainless steel surface degreasing reagent and a preparation method thereof, wherein the domestic stainless steel surface degreasing reagent is prepared from the following raw materials in parts by weight: 5-10 parts of sodium tert-butoxide, 5-10 parts of sodium stearate, 5-10 parts of sodium acetate, 5-10 parts of betaine, 5-10 parts of disodium hydrogen orthophosphate, 5-10 parts of DBU, 5-15 parts of a surfactant, 30-40 parts of ethanol, 35-40 parts of distilled water, 1 part of a flavor and 1 part of a vegetarian meat powder; the raw materials are stirred, subjected to ultrasonic vibration and evenly dissolved to obtain the product. The domestic stainless steel surface degreasing reagent has good antirust effect and long staying time on the surface ofstains; the required amount of the product is one-tenth that of a conventional product when a same cleaning purpose is achieved.

The invention relates to a cotton filling gun for glass fiber bulking, and relates to the technical field of glass fiber bulking equipment, the cotton filling gun comprises a seat body, a shell and an air cylinder fixed on the seat body, the seat body and the shell are fixed and sealed, and a threading hole for glass fibers to penetrate through is formed in the seat body in the length direction of the seat body in a penetrating mode; the air cylinder is used for abutting against the glass fiber in the threading hole, one end of the seat body is located in the shell and is chamfered, the end, located in the shell, of the seat body and the inner wall of the shell form a high-pressure air outlet, and the seat body is provided with a partition plate which is connected with the shell in an inserted mode and matched with the shell in a sliding mode; the partition plate divides an inner cavity of the shell into an air storage cavity and an air guide cavity in the conveying direction of the glass fibers, the partition plate and the inner wall of the shell are arranged in a sealed mode, a plurality of vent holes are circumferentially formed in the partition plate with the threading hole as the center, and an air source is communicated with the end, close to the seat body, of the shell and ventilates air into the air storage cavity. According to the invention, high-pressure gas is uniformly dispersed, so that the puffing dispersion effect on the glass fiber is improved.

The present invention relates to a kind of manufacturing method of phthalocyanine color cement intermediate and phthalocyanine color cement intermediate, in order to solve the problem that phthalocyanine is not easy to disperse in cement, the method is to mix phthalocyanine, white cement, cement dispersant, talcum powder After mixing, add it into a ball mill and grind it. Mixing is to mix phthalocyanine, cement dispersant and talcum powder first, and then add them to white cement for mixing. The phthalocyanine colored cement intermediate is fully mixed with white cement, talc powder accounting for 1-3% of the weight of white cement, phthalocyanine accounting for 1-5% of the weight of white cement, and cement dispersant accounting for 30-100% of the weight of phthalocyanine . The method is to subdivide and blend phthalocyanine and white cement to the greatest extent under the action of additives and ball milling to form a uniform intermediate. The method has the advantages of simple operation, strong operability, low process cost, and can ensure the dispersion degree of phthalocyanine. The intermediate completely overcomes the defect that phthalocyanine is not easy to disperse in cement. When using it, it only needs to be mixed into the concrete material in proportion. When it is applied to concrete, it can achieve the effect of uniform dispersion and long-lasting concrete color, and save a lot of use cost. . It has the advantages of bright color, high coloring rate, good dispersion, good stability and low cost.

The invention relates to an anti-hydrogen embrittlement, high-strength and tough stainless steel rod used for fasteners and a manufacturing method thereof, which belongs to the technical field of metal materials and solves the problem of anti-hydrogen embrittlement, high-strength stainless steel rods used in aerospace environments. The toughness and tight matching are not high. A hydrogen embrittlement-resistant, high-strength and tough stainless steel bar used for fasteners, the mass fraction of each element in the stainless steel bar is C: 0.0001-0.01%, Si: 0-0.10%, Mn: 0.01-0.15%, S: 0~0.005%, P: 0~0.015%, Cr: 10.50%~12.50%, Ni: 10.70%~11.50%, Mo: 0.75%~1.25%, Ti: 1.20%~1.70%, Al: 0~0.10% , H≤1.5ppm, the rest is iron and unavoidable impurities. A stainless steel bar with comprehensive properties of high strength, high toughness and hydrogen embrittlement resistance is prepared, which meets the requirements for fasteners used in aerospace environments exposed to corrosive media.

The invention relates to a high-voltage current monitoring time synchronization system and a time synchronization method. A collector sends a time synchronization command to each high-voltage current monitoring device; The compensation value includes the time synchronization preparation time of the collector, the time synchronization command frame transmission time of the collector, and the time synchronization response time of the high-voltage current monitoring device. The present invention has undergone theoretical calculation and experimental verification. Under the premise of software and hardware guarantees, the scheme can repeatedly calculate the average value. The average value of the delay time of ΔT is 260uS, which can ensure the dispersion of 45uS. After 260uS of synchronous compensation for time calibration, the dispersion of 45uS meets the deviation requirement of the three-phase current clock less than 100μs. The present invention does not use a professional time service system such as Beidou, but uses an ordinary real-time clock chip, and has low cost, and the time service system is simple and effective.

The invention discloses a concrete building block with stable quality. The concrete building block comprises, by weight, 160-180 parts of cement, 6-12 parts of waste calcining material, 4-8 parts of shale powder and 30-50 parts of gravel, 6-12 parts of light calcium carbonate, 8-16 parts of nylon fiber, 10-18 parts of degasifier, 3-5 parts of sodium carbonate, 3-5 parts of organosilicone waterproofing agent and 6-12 parts of rosin compound. The rosin compound is prepared by the following process that 4-tert-octylphenol, oxalic acid and formaldehyde are mixed for heating, stirring and dehydrating under vacuum, the temperature is raised, rosin is added, then the temperature is maintained, pentaerythritol is added for stirring, and the mixture is cooled to obtain the rosin compound. The concrete building block has the advantages of low price, high strength, long-term durability, environmental protection and no pollution to the environment.

The invention relates to a graphene composite heat dissipation film. The composite heat dissipation film is a laminated sheet layer of at least 20 layers or more, and comprises 100 parts by weight ofgraphene nanoplatelets with large radial sizes and 0.5-2 parts by weight of ZnO quantum dots 90% attached to the surface of graphene. The preparation steps include a graphene nanoplatelets preparationstep, a preparation step, a dispersion liquid preparation step and a heat dissipation film preparation step.

The invention discloses an evenly dispersed concrete building block, which comprises the following raw materials in parts by weight: 120 to 140 parts of cement, 40 to 50 parts of moulding promoter, 2to 6 parts of iron powder, 1 to 3 parts of potassium carbonate, 2 to 5 parts of polyoxyethylene nonyl phenyl ether, 1 to 3 parts of organic silicon waterproof agent, and 2 to 8 parts of rosin compound. The rosin compound is prepared by the following steps: mixing hydroquinone, critic acid, and formaldehyde; heating the mixture under stirring, carrying out vacuum dehydration, heating, adding rosin,maintaining the temperature, then adding polyethylene glycol, stirring, and cooling. The provided evenly dispersed concrete building block has the advantages of low price, high strength, durability,green, environmental friendliness, and pollution-free property.

The invention discloses a magnetic field enhanced plasma jet generation device, which belongs to the field of low-temperature plasmas, and comprises a plasma jet generation unit used for generating a plasma jet and outputting the plasma jet through a gas output pipeline of the plasma jet generation unit; the annular magnet is arranged on the outer side of the gas output pipeline in a surrounding mode and used for generating a magnetic field in the gas output pipeline, and the direction of Lorentz force provided by the magnetic field for the plasma jet is consistent with the flowing direction of the plasma jet so that the flowing speed of the plasma jet can be increased. The problems that an existing plasma jet is short in length, uneven in discharge and low in active component concentration are solved, the uniformity of dispersion and spatial distribution of the plasma is guaranteed, the concentration of active oxides in the plasma is enhanced, the contact efficiency of the products and processed objects in application is improved, and then the working efficiency of the whole device is improved.

The invention discloses a nanogold catalyst as well as a preparation method and application thereof. The catalyst comprises a solid solution carrier with the general formula of ZnaAlMbOx and a gold element loaded on the carrier, and according to the total weight of the catalyst, the loading amount of gold is 0.5-3.0 wt%; in the carrier, M is selected from Co, La or a mixture thereof; and a is equal to 0.1-4.0, b is equal to 0.01-0.30, and x is the amount of oxygen element satisfying the chemical value of the compound.

The invention discloses a multi-stage pore molecular sieve-encapsulated platinum-nickel bimetal nano-catalysis material and its preparation method and application. The modified silicon source is prepared by modifying nano-silica with a silane coupling agent, and the PtNi bimetallic precursor is obtained by electrostatic self-assembly of an amine structure-directing agent and a Pt and Ni source. Based on the total mass of the catalytic material, the mass percentage of nickel is 0.1-20 wt%, and the mass percentage of platinum is 0.1-5 wt%. Using a one-step method, in the process of synthesizing hierarchically porous molecular sieves, PtNi bimetallic precursors were introduced in situ to realize the selective encapsulation of PtNi bimetallic nanoclusters in the side cages of hierarchically porous molecular sieves. The catalytic material is used to catalyze the reaction of pyridine dehydrogenation coupling to 2,2'-bipyridine, which has the advantages of low dosage, less side reactions and short process, and has good performance in the fields of adsorption separation, petrochemical industry, fine chemical production and so on. Application prospect.

The invention relates to a hybrid modified EG preparation method. The preparation method comprises the following steps: mixing a citric acid aqueous solution, indium vanadate, cerium oxide, montmorillonite, a hydrobromic acid aqueous solution, graphene oxide, and tin oxide and performing a hydrothermal reaction, grinding a mixture, and performing steps of filtering, calcining, washing and drying to obtain an EG anti-aging agent; mixing glycol, propylene glycol, butylene glycol, a lactic acid cosolvent and the obtained EG anti-aging agent, magnesium oxide, and titanium dioxide, grinding the mixture, and performing steps of dispersing and filtering to obtain the hybrid modified EG mother liquor; and adding the hybrid modified EG mother liquor in EG in a spray form to obtain the hybrid modified EG. The product has the long lasting anti-aging effect.

The invention discloses a data processing method and device and relates to the field of data processing. The data processing method comprises the steps that a service request sent by one or more userslocated on a certain road section cluster in a preset time period is acquired; road sections, adjacent to the road section where the users are located, in the road section cluster are acquired to form an anonymous road section set, and the users on the road sections in the anonymous road section set are obtained to form an anonymous user set; location information of the users in the anonymous user set or coverage range information of the anonymous road section set is sent to a server, so that the server returns a service request result to the users according to the received information. The road sections, adjacent to the road section where the users are located, in the road section cluster form the anonymous road section set so that the anonymous road section set can cover the road sections where the users are closer, the coverage range of the anonymous road section set is in a limited road section cluster range on the basis of guaranteeing that the anonymous road section set has certain dispersity, and the position privacy of the users is effectively protected.