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1493 results about "BLENDER/MIXER" patented technology

General purpose laboratory equipment labeled or promoted for a specific medical use is a device that is intended to prepare or examine specimens from the human body and that is labeled or promoted for a specific medical use.

Macromolecule heat conduction and dissipation blended composite material and automatic preparation method

The invention discloses a macromolecule heat conduction and dissipation blended composite material. The macromolecule heat conduction and dissipation blended composite material is prepared from, by mass, 35-75 parts of matrix resin, 0-10 parts of flexibilizer, 20-50 parts of heat conduction filler, 0.2-1.0 part of antioxidant 1010, 0.2-1.0 part of phosphite ester antioxidant 168, 0.5-1.5 parts of powder surface activation treating agents and 0.5-1.5 parts of lubricant. An automatic preparation method of the macromolecule heat conduction and dissipation blended composite material includes the steps of firstly, conducting surface treating on heat conduction filler for 20 min through powder surface activation treating agents in a high-speed stirring machine; secondly, making the heat conduction filler enter another high-speed stirring machine through an automatic conveying device to be evenly mixed with other materials; thirdly, automatically conveying the mixture obtained in the second step to an internal mixer to be mixed and kneaded for 15 min; fourthly, making the obtained mixture directly enter a double-screw extruder to be extruded and granulated. The prepared heat conduction and dissipation material has the high mechanical property and heat conduction performance, automatic and continuous production is achieved, a large amount of labor is saved, the production period is greatly shortened, the production cost is greatly reduced, and the macromolecule heat conduction and dissipation blended composite material can be widely applied to the fields of LED illumination, electronic electrical appliances, automobiles and the like where good heat conduction and dissipation performance is required.
Owner:东莞市万江明冠实业有限公司

Silicon-slag microcrystalline glass and preparation method thereof

The invention relates to silicon-slag microcrystalline glass and a preparation method thereof. Silicon smelting waste slag is taken as a major raw material, and silicon dioxide or silica sand (SiO2), fluorite (CaF2), limestone or calcite (CaCO3), industrial sodium carbonate (Na2CO3), zinc oxide (ZnO) and potassium carbonate (K2CO3) are taken as auxiliary raw materials, wherein the dosage of the silicon smelting waste slag in the raw materials of the microcrystalline glass is 26.0-75.0wt%. The preparation method specifically comprises the following steps of: evenly mixing cold-state silicon slag with other auxiliary raw materials in a blender mixer to obtain a basic mixed batch, melting the basic mixed batch into qualified glass liquid in a melting furnace, and then performing calendering, casting or water quenching on the glass liquid to form a basic glass plate or granules; finally, subjecting the basic glass plate to crystallization heat treatment to obtain the microcrystalline glass. The density of the microcrystalline glass is 2.5-2.8 g/cm<3>, the rupture strength of the microcrystalline glass is 30.0-103.5 MPa, the compressive strength of the microcrystalline glass is 70.0-903.0 MPa, the Moh's hardness of the microcrystalline glass is 5-8 and the abrasive resistance of the microcrystalline glass is 0.063-0.15 g/cm<2>; the silicon-slag microcrystalline glass can be widely applied to the fields such as chemical engineering, metallurgy, architectural ornament, petroleum, mine and machinery.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI

High thermal conductive and insulating polymer composite and preparing method and application thereof

The invention discloses a high thermal conductive and insulating polymer composite and a preparing method and application thereof. The preparing method is characterized in that 0.1-1.0 part of hexagonal boron nitride is evenly stirred and mixed with 50-1000 parts of organic solvent, and is added into an ultrasonic cleaner with the power ranging from 100 w to 1000 w or an ultrasonic cell disruptor, ultrasonic treatment is carried out for 4 hours to 72 hours, and mixed liquor is obtained; standing is carried out on the mixed liquor for 24 hours to 72 hours, after filtering or rotary evaporating is carried out, a product is cleaned for twice to five times by using acetone, and a boron nitride nano-sheet with the higher yield is obtained; 60-90 parts of a polymer matrix and 40-10 parts of the boron nitride nano-sheet are added into a high-speed blender mixer, the temperature ranges from 200 DEG C to 300 DEG C, the rotary speed ranges from 30 rpm to 60 rpm, mixing is carried out for 5 minutes to 10 minutes, and granulates are extruded by a screw extruder; the high thermal conductive and insulating polymer composite can be obtained through smelting and forming. According to the high thermal conductive and insulating polymer composite, the mechanical property can be maintained, and meanwhile the thermal conductivity is improved maximally.
Owner:SICHUAN UNIV

Porous high-entropy alloy and preparation method thereof

The invention discloses porous high-entropy alloy and a preparation method thereof and belongs to the field of porous foam metal. The preparation method of the porous high-entropy alloy specifically comprises the steps that high-entropy alloy powder and screened pore-forming agents are mixed proportionally according to the requirements for the porosity and the pore size, and the high-entropy alloy powder and the screened pore-forming agents are sintered through spark plasma sintering (SPS) directly after being uniformly mixed by a blender mixer; after sintering is completed, a sintered sample is put into deionized water to be subjected to ultrasonic cleaning, and particles of the pore-forming agents are removed by using the characteristic that the pore-forming agents are soluble in water; and finally the porous high-entropy alloy is obtained. The preparation method is simple in process, particularly, the preparation time is shortened greatly through the SPS method, and the efficiency is improved. The prepared porous high-entropy alloy has the characteristics of being high in porosity, uniform in pore size distribution, controllable in porosity and pore size and the like and has potential application prospects in the fields of biology, petroleum, metallurgy, chemical industry and the like.
Owner:UNIV OF SCI & TECH BEIJING

Coating-type light conversion film and preparation method thereof

The invention relates to a coating-type light conversion film and a preparation method of the coating-type light conversion film. The invention belongs to the technical field of an agricultural film. An inner layer of the coating-type light conversion film is a mechanical property layer; a middle layer is a heat-insulating light conversion layer; a secondary outer layer is a coating carrier layer, and the outer layer is a film coating layer. The preparation method of the coating-type light conversion film comprises the following steps of: (1) preparing a multifunctional master batch with a long service life, heating an internal mixer, charging and agitating, discharging and pelletizing; (2) preparing the master batch with the long service life and efficient light conversion, heating the internal mixer, charging and agitating, discharging and pelletizing; (3) manufacturing the coating light conversion film, weighing the inner layer, the middle layer and the secondary outer layer according the prescription, respectively adding to a blender mixer to agitate and extrude, wherein a die head is of a three-layer composite center feeding form; the material is fused and plastified by three extruders, and coextruded by a round opening die; carrying out corona treatment on the film surface, coating on line, baking and sizing. The coating-type light conversion film has the advantages that the coating-type light conversion film is high in strength, high in impact resistance, high in tear resistance, high in light conversion, high in heat preservation, high in light transmittance, and long in lasting period of drip fog dissipation and the like.
Owner:TIANJIN TIANSU SCI & TECH GROUP

Manufacturing method of bimetal self-lubricating bearing material

The invention relates to a manufacturing method of a bimetal self-lubricating bearing material, which comprises the following steps of: mixing powder, namely uniformly mixing a certain proportion of mixed pure metal powder of Cu, Sn and Pb and graphite powder in an amount which is 5 to 10 percent of the total mass of the mixed pure metal powder in a blender mixer; coating the mixed powder on a steel plate, a stainless steel plate or a bronze sheet and performing secondary sintering, namely performing instant liquid-phase sintering at the temperature higher than the melting point of the Sn powder and lower than the sintering temperature of a copper alloy, wherein limited connection is formed between the Cu powder, a solid solution is formed between the tin and the copper, the Pb powder is distributed between copper and tin solid solution crystal boundaries or dendritic crystal net cells in a form of single Pb particles, the primary positions of the Sn powder and Pb powder are vacant, and the graphite is distributed at the positions; performing the secondary sintering according to the sintering temperature of the copper alloy; and manufacturing the bimetal self-lubricating bearing material by precisely rolling and annealing. The product has stable and reliable performance and is widely applied to machinery industry, such as a hydraulic turbine guide vane bearing, a hydraulic metal structure and metallurgical equipment.
Owner:DALIAN SANHUAN COMPOSITE MATERIAL TECH DEV

Aluminum-chromium-zirconium composite air bricks and manufacturing method thereof

The invention discloses aluminum-chromium-zirconium composite air bricks and a manufacturing method thereof, and relates to industrial bricks and a manufacturing method thereof. Each brick comprises the following chemical components in percentage by weight: more than or equal to 72 percent of Al2O3, more than or equal to 15 percent of Cr2O3, more than or equal to 4 percent of ZrO2, more than or equal to 5 percent of mullite, more than or equal to 3 percent of TiO2, and more than or equal to 1 percent of Fe2O3. The aluminum-chromium-zirconium composite air brick comprises the following processsteps: crushing a raw material chrome corundum until the largest granule has the grain size of less than or equal to 5mm; performing deironization, magnetic separation and sieving, and feeding granules with the grain size of 0.5 to 5mm into a blender mixer to mix the granules and zirconium oxide, rutile, mullite and a binding agent; grinding granules with 0 to 40 meshes into granules of -320 meshes, performing magnetic separation and deferrization on the granules, mixing the granules and the zirconium oxide, rutile, mullite and the binding agent, standing for 25 minutes and performing brick-pressing operation; and drying the bricks at the temperature of 40 DEG C, and firing the bricks in a high-temperature kiln at the temperature of between 1,600 and 1,800 DEG C. The aluminum-chromium-zirconium composite air bricks are applied to an airheater in oil field, a scrap metal incinerator and a copper converter, and the service life of the furnaces is improved.
Owner:锦州大隆特种耐火材料有限公司
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