288results about How to "Applicable production" patented technology

A catalyst system for preparing aldehyde and ketone by catalytic oxidization of alcohol is composed of the catalyst consisting of 2,2,6,6-tetramethylpiperidine-free oxygen radical, halogen and nitrite, and the oxidant. The process for preparing said aldehyde and ketone features the high-sensitivity oxidizing reaction between catalyst, alcohol and air or oxygen in pressure reactor.

The invention provides a packaging structure and the method for a kind of illuminant diode, it uses the liquid phosphorus light agent glue as material, and uses the model-casting and forming method to carry on package, in the packaging process, the glue solvent is saturate and the solid phosphorus light agent is deposited, thus, a phosphorus light media layer covers the illuminant diode, the phosphorus media layer contains a packaging glue and a phosphorus light agent layer, the phosphorus light agent are coated on the illuminant diode. The invention can realize the low color leakage rate effect, at the same time, the size is standardized, the white light spectrum is stable, and it can save the materials.

The invention discloses a wafer level packaging method for a micro electromechanical system (MEMS) chip and a single-chip micro-miniature type MEMS chip. The method comprises the steps of forming a silicon through-hole wafer, forming a first bonded wafer, forming a cover plate wafer, forming a second bonded wafer, forming an MEMS wafer and forming the single-chip micro-miniature type MEMS chip. According to the method, by reducing the depth of an upper cavity, part of a silicon through-hole layer can directly serve as a vertical electrode, and the process is simple. By additionally arranging a metal shielding layer, the influence on the performance of the MEMS chip caused by an environment interference signal is reduced. The prepared single-chip micro-miniature type MEMS chip is small in size and high in yield. By virtue of the metal shielding layer on the chip, the influence on the performance of the MEMS chip caused by the environment interference signal and packaging stress can be reduced.

The invention relates to a co-deposition electroplating method for preparing Au-Sn alloy on an electroplating substrate and a cyanogen-free Au-Sn alloy electrolyte. The wave forms of electroplating current pulses are forward variable-amplitude pulses, namely that two different forward square wave pulses exist in one period, and the peak values and the conducting time of the electroplating current pulses respectively correspond to peak value current density and time which are required for generating Au5Sn and an Au-Sn alloy phase in a plating layer. In the electrolyte, sodium sulfite is adopted as a main complexing agent and ethylene diamine tetraacetic acid is adopted as an auxiliary complexing agent for the gold ion complexing agent, potassium pyrophosphate is used as a tin ion complexing agent, hydroquinone is used as an antioxidant, and the pH value of the electrolyte is from 8 to 9. When the method is used for preparing Au-30at.%Sn eutectic plated layer through electroplating, the plating speed reaches 13 mum/hour, the electrolyte is stable, the operation is simple, and the gold and tin content in the plated layer is easy to control. The method can be applied in microelectronics and photoelectron industry for connecting and encapsulating LED chips, connecting flip chips, forming welding pads or patterns on the surface of semiconductor devices or similar devices, etc.

The invention discloses an automatic ball sorting machine. The automatic ball sorting machine comprises a machine frame, a charging barrel, a ball conveying pipe, a sorting device, a first material falling device and a second material falling device. The sorting device comprises a sensor, a baffle, an arc rack, a first gear and a first motor. An output shaft of the first motor drives the baffle to swing through engagement of the first gear and the arc rack. The lower end of the baffle is connected with the sensor. The distance between the sensing end and the bottom of the ball conveying pipe is equal to the diameter of balls. The first material falling device comprises a material falling plate, a first material falling pipeline, an oblique pulling rod, a sliding block, a second gear and a second motor. An output shaft of the second motor drives the material falling plate to overturn through engagement of the second gear and the rack and cooperation of the sliding block and the oblique pulling rod. By adopting the structure, manual sorting is replaced, the production efficiency is greatly improved, the sorting precision is higher, and operation is more convenient.

The invention relates to an isopropanolamine producing method. As the present isopropanolamine producing method uses water as a catalyst, the energy consumption for subsequent dehydration is high and side effects can be easily caused. For this reason, the isopropanolamine producing method of the invention includes tubular reaction, flash evaporation, deamination and rectification, wherein isopropanolamine is used as the catalyst in the tubular reaction; before feeding, a liquid mixture A of anhydrous liquid ammonia and the catalyst is prepared according to the weight ratio of 96-99:1-4; finally, the liquid mixture A and propylene oxide are added according to the feeding speed ratio of 85-340:58. The isopropanolamine producing method realizes low energy consumption and less byproducts in the subsequent dehydration. The invention is applicable to producing the isopropanolamine.

A monocrystal and orientational cylindrical crystal combined blade used for gas turbine features that its middle region is orientational cylindrical crystals and its gas inlet and outlet edges have monocrystal form. Its manufacture method includes such steps as installing a composite crystallizer to the crystallizer of orientational crystallizing furnace, smelting by 100-150 of overheat, regulating the temp of mould heater to 1500-1530 deg.C for upper region and 1550-1580 deg.C for lower region, casting, and moving mould downward at 5-7 mm/S.

The invention discloses a feeding device and method of stepping beam heating furnace transmission. The feeding device of the stepping beam heating furnace transmission comprises a feeding table framemechanism, a feeding roller way device, a furnace entering device and a PLC control unit, wherein the feeding table frame mechanism comprises a feeding table frame main body, a feeding table frame motor, a pressure sensor, a feeding table frame encoder and a blocking hook; the feeding roller way device comprises a roller way motor, a cold metal detection device, a rotary encoder and a fixing weighing device; the furnace entering device comprises a feeding furnace door, inner-furnace cantilever rollers, a steel pushing machine and an in-furnace positioning encoder; the PLC control unit controlsthe feeding table frame to move in a reciprocating mode, so that blanks are conveyed to the roller way motor, the roller way motor is controlled to operate, the blanks are conveyed to a furnace doorof the heating furnace, when four conditions of a rolling line steel requirement signal, vacancies available in the furnace, a steel pushing machine at the rear position, and a step beam in the rear lower position, a furnace entering system is controlled to complete the processes of opening the furnace door, positioning the blanks, acting the steel pushing machine and the like so as to complete the automatic entering of the furnace.

The invention discloses a fiber-reinforced biological resin adhesive composite material and a preparation method thereof. The composite material is prepared from 10-50 parts by weight of a biological resin adhesive and 50-100 parts by weight of fibers. The biological resin adhesive is prepared from 20-100 parts by weight of biomass oil-modified epoxy resin, 2-20 parts by weight of a diluent, 1-4 parts by weight of an emulsifier, 1-3 parts by weight of a coupling agent, 1-5 parts by weight of a release agent, 5-20 parts by weight of a filler, 1-4 parts by weight of a pigment and 10-20 parts by weight of a curing accelerator. The biological resin adhesive is prepared from the biomass oil-modified epoxy resin, then infiltrates fibers and then is cured so that the fiber-reinforced biological resin adhesive composite material with better toughness, better weather resistance and excellent mechanical properties is obtained. The method is used to prepare the composite material, utilizes easily accessible and cheap raw materials, has simple and mature processes and reduces a composite material cost.

The invention relates to a calcium sulfate whisker modified polystyrene composite material, and a preparation method thereof. The calcium sulfate whisker modified polystyrene composite material is prepared from the raw materials of, by weight: 100 parts of polystyrene, 10 to 40 parts of calcium sulfate whisker, 10 to 20 parts of styrene-butadiene block copolymer, 0.1 to 0.3 parts of anti-oxidant 1010, 0.1 to 1 parts of zinc stearate, and 1 to 3 parts of titanate coupling agent. The preparation method comprises the steps that: calcium sulfate whisker and titanate coupling agent are added into a high-speed mixer, and are mixed for 5 to 10 min; rest raw materials are added to the obtained modified calcium sulfate whisker, and the mixture is mixed for 5 to 10 min in the high-speed mixer; the obtained mixture is extruded and granulated by a double-screw extruder. The calcium sulfate whisker modified polystyrene composite material has good impact resistance and heat resistance. Therefore, the material is suitable to be applied in the manufacturing of electric appliance housings with strict requirements of impact resistance and heat resistance.

The invention discloses a method for forming a full pulp by processing bobbin paper waste pulp residues and producing protoplasm by using the formed full pulp. The method is characterized in that heating is carried out before pulping during the treatment of waste pulp residues, so it is in favor of fibrillation of filers in the waste pulp residues during pulping, a waste paper pulp is processed in grading to respectively prepare a core pulp, a surface pulp and a bottom pulp, the above three pulps are mixed to form a full pulp, and the waste paper pulp grading treatment is in favor of the fiber length equalization; and the full pulp obtained after processing the waste pulp residues is mixed with the full pulp prepared from waste paper boards in proportion to produce the bobbin paper protoplasm. The method changes the waste pulp residues into valuables and reduces the production cost of bobbin paper, and the bobbin paper prepared by using the protoplasm has high strength, and large interlayer bonding force and circumferential pressure. The method is suitable for producing the bobbin paper protoplasm.

The invention provides a hexaaluminate high-emissivity thermal protection coating layer and a preparation method of the hexaaluminate high-emissivity thermal protection coating layer, and relates to a thermal protection coating layer and a preparation method of the thermal protection coating layer, aiming at solving the problem that the existing high-emissivity thermal protection coating layer ispoor in thermal shock resistance, mismatched in thermal expansion and low in emissivity within a short-wave band. The thermal protection coating layer prepared by the invention has the chemical formula as shown in LaMg1-xMxAl11O19, wherein M is Mn, Fe, Co or Ni, x is larger than or equal to 0 and is less than or equal to 1. The preparation method comprises the following steps of: 1, preparing LaMg1-xMxAl11O19 feed material; 2, preparing a high-temperature alloy plate material base body; 3, preparing a NiCoCrAlYTa combination layer on the base body; and 4, preparing the LaMg1-xMxAl11O19 hexaaluminate high-emissivity thermal protection coating layer on the coating base body. The normal spectral emissivity of the thermal protection coating layer prepared by the invention is larger than 0.9 within the wave band of 7-14 mu m. The invention is suitable for the preparation of the metal material thermal protection coating layer.

The invention discloses a preparation method of a nanometer Zn/Al ZSM-5 molecular sieve, relates to the preparation method of a nanometer molecular sieve, and aims to solve the problems that the nanometer Zn/Al ZSM-5 molecular sieve is prepared by the existing method, the template agent usage amount is high, the template removing agent roasting time is long, the cost is high, the toxicity is high, and the pollution is serious. The preparation method comprises the following steps of: preparing gel by aluminum isopropoxide, tetrapropylammonium hydroxide, tetraethoxysilane and deionized water, and crystallizing the gel so as to obtain a pre-crystallized seed crystal; and adding the pre-crystallized seed crystal which takes up 1%-5% of the total mass of the gel into a mixed gel prepared by zinc nitrate hexahydrate, sodium hydroxide, partial sodium aluminate, deionized water and silica sol, thereby obtaining the nanometer Zn/Al ZSM-5 molecular sieve through centrifugation, washing, drying, roasting and cooling after crystallization. The nanometer Zn/Al ZSM-5 molecular sieve disclosed by the invention is low in template agent usage amount, short in template removing agent roasting time, low in cost, low in toxicity, and tiny in pollution. The nanometer Zn/Al ZSM-5 molecular sieve disclosed by the invention is suitable for production of the nanometer molecular sieve.

The invention discloses a forming method of a precise high-temperature alloy pipe with small caliber and thick wall for aviation. The forming method comprises the following steps: S1: cold rolling: carrying out multi-pass cold rolling on a qualified seamless tube to obtain a tube blank in transitional specification, wherein the outer diameter of the tube blank in the transitional specification is 1.14-1.17 times of that of a finished tube, the wall thickness of the tube blank is 0.97-0.985 times of that of the finished tube, and the dimensional deviation is controlled within a range of plus or minus 0.03mm; S2: manufacturing a pointed end: carrying out degreasing, heat treatment, acid cleaning, straightening and UT (ultrasonic) flaw detection on the tube blank with transitional specification sequentially, selecting the qualified tube blank obtained after UT flaw detection, and welding a pointed end with conicity at the end part of the qualified tube blank; S3: empty sinking: drawing the tube blank by the pointed end and deforming the tube blank under the extrusion of an outer mold to obtain a finished tube. The forming method makes up the technical gap of domestically producing the precise high-temperature alloy pipe with small caliber and thick wall, and has important economic benefit on the research and the production of a domestic aero-engine.

The invention discloses a method for preparing nickel-containing silver electrode slurry, which comprises the following steps: (1) preparing silver-nickel mixed liquid; (2) preparing an organic carrier; and (3) preparing the nickel-containing silver electrode slurry. In the method, nickel powder, spherical silver powder and flaky silver powder form the conductive functional phase of the electrode slurry; and the electrical performance of the finally prepared silver electrode slurry can be regulated by changing the addition proportion of the nickel powder; the silver electrode slurry does not contain high-temperature melting compounds, so the silver electrode slurry is not harmful in the slurry producing and processing process, and is advantageous to environmental protection, energy conservation and exhaust reduction. Furthermore, the silver electrode slurry contains the nickel powder and other components, which have low cost, thus being favor for reducing the cost of the silver electrode slurry, and according with the megatrend of modern society development.

The invention relates to cyanogen-free Au-Sn alloy electroplating liquid, which belongs to the field of electroplating. The cyanogen-free Au-Sn alloy electroplating liquid comprises following components including non-cyanogen soluble monovalence gold salt, sulfite, organic polybasic acid, soluble divalent tin salt, pyrophosphate, a tin ion oxidation inhibitor, dihydric phosphate and cobalt salt. The electroplating liquid is stable, electroplating speed is fast, operation is simple, Au-Sn alloy ingredients are easy to be controlled, and the cyanogen-free Au-Sn alloy electroplating liquid is applicable to production.

The invention relates to a photochromic composite preparation method, in particular to a wood-base photochromic composite preparation method which solves the problem that wood-base composites prepared by existing methods lack the photochromic function. The preparation method includes: firstly, polishing wood surface, ultrasonically cleaning, and drying to obtain a wood matrix; secondly, preparing polyvinyl alcohol aqueous solution; thirdly, preparing photochromic materials/ polyvinyl alcohol film forming solution; and fourthly, using a full-cell process to impregnate the photochromic materials/ polyvinyl alcohol film forming solution into the wood matrix, and drying to obtain the wood-base photochromic composite. The photochromic materials are impregnated to the surface of the wood matrix by means of the vacuum pressurizing full-cell process, and consequently the photochromic materials and the wood matrix are combined more closely while photochromic effects of the wood-base photochromic composite are unaffected. The wood-base photochromic composite preparation method is applicable to production of wood-base photochromic composites.