167results about How to "Strong market competitive advantage" patented technology

The invention provides a coaxial coupling driving system of double planetary gear systems and double motors. The coaxial coupling driving system comprises the double motors, the double planetary gear systems and the like. Each planetary gear system comprises a gear ring, a planetary carrier and a sun wheel. A rotor of the first motor is connected with the gear ring of the first planetary gear system. A rotor of the second motor is connected with the sun wheel of the first planetary gear system and the sun wheel of the second planetary gear system through synchronizers correspondingly. The planetary carriers of the two planetary gear systems are connected with an output shaft. The gear ring of the second planetary gear system is connected with a shell. The output shaft is connected with the input end of a deceleration differential. The output end of the deceleration differential is connected with two wheels through two half shafts. A motor control device is connected with an energy storage device and conducts electric power transmission. The motor control device is further connected with the first motor and the second motor and outputs a control command. The coaxial coupling driving system has the characteristic that the vehicle dynamic property, the energy consumption economical efficiency, the geographical adaptability and the application adaptability are better.

The invention discloses fuscoporia obliqua active ingredients capable of lowering blood sugar and a preparation method and application of the fuscoporia obliqua active ingredients. The preparation method takes fuscoporia obliqua fruit body as raw material and comprises the following steps: respectively extracting, filtering and concentrating the fuscoporia obliqua fruit body with normal temperature water and high temperature water; adding alcohol into concentrate and depositing to obtain crude polysaccharide; respectively pouring the polysaccharide extracted with normal temperature water and the crude polysaccharide extracted with high temperature water to flow through a (diethylaminoethanol) DEAE-52 cellulose column; carrying out subsection elution by using distilled water and NaCl solutions with different concentrations; and collecting stepwise elution peak sugar solution. Internal blood sugar reduction activity experiment shows that 0.2mol / L NaCl-section eluted sugar of the crude polysaccharide extracted with normal temperature water and 0.2mol / L NaCl-section eluted sugar of the crude polysaccharide extracted with high temperature water both have obvious blood sugar reduction activity, same blood sugar reduction activity with the blood sugar reduction medicine of metformin hydrochloride, and no obvious toxic or side effect.

The invention discloses a low-calcium boron-chromium-zirconium-copper alloy with high strength and high electrical conductivity and a preparation method thereof. The chemical components of the alloy are: 0.2-1.5wt percent of chromium, 0.02-0.3wt percent of zirconium, 0.0003-0.05wt percent of calcium, 0.0003-0.04wt percent of boron and 0.01-0.5wt percent of other components, wherein, other components are at least one of the elements of: galvanized iron, zinc, silicon, tin, niobium, antimony, bismuth and lead; the rest is copper and inevitable impurities. The preparation method comprises: alloy smelting, thermal extrusion with severe deformation, multilevel thermal treatment and multistage aging under the temperature between 320 DEG C and 480 DEG C for 1-6 hours. The obtained alloy is characterized by high intensity, high conductivity, high softening point, good wear-resistance performance, good welding ability and formability, which is applicable to the manufacturing field such as automobile, high speed train, household appliances, aerospace, electronic telecommunication, metallurgical continuous casting, motor, injection precision mold, etc.

The invention provides a method for preparing a construction material by utilizing electrolytic manganese slag, including the following steps: (1) pretreatment: additive is blended in the electrolyticmanganese slag, water is added for fully stirring, and the raw material reacts in the open air for 1-7 days, wherein the added additive is mixture of lime, plaster and kaolin; (2) cement, sandstonescoarse aggregate, sandstones fine aggregate and component selection air entraining agent are added into the electrolytic manganese slag after the pretreatment, water is added and blended evenly to form a mixture; (3) the mixture is loaded into a mould and formed on a compression forming machine by vibration and pressurizing, and then demoulding is carried out; (4) adobe is naturally cured for 14-28 days, thus obtaining the electrolytic manganese slag construction material product. The technique is simple with high product quality and low production cost and has good social, economic and environmental benefits.

The invention discloses a low temperature self-crosslinking acrylate emulsion with a core-shell structure as well as a preparation method and application thereof. The preparation method comprises the following steps: weighing the following materials in parts by weight: 30-40 parts of shell monomer, 0.8-1.2 parts of emulsifier and 7-14 parts of deionized water, and dispersing the materials to prepare a pre-emulsified shell monomer; weighing 0.2-0.5 parts of initiator and 10-18 parts of deionized water to prepare a shell initiator liquid, keeping temperature at 70-80 DEG C, simultaneously dropwise adding the pre-emulsified shell monomer and the shell initiator liquid into a core-layer emulsion within 2-3 hours so as to prepare a shell-layer emulsion, reacting at the constant temperature for 2-4 hours, cooling, and regulating the pH value. The acrylate emulsion prepared by the invention is environment-friendly, low in cost and simple in production process, and has the characteristics of self-crosslinking at a low temperature (40DEG C), high adhesion, good water tolerance, excellent anti-adhesion and the like; the emulsion can be used as a water-based ink binder so as to be compounded with a water-based color paste to obtain PP / PE (Propen Polymer / Poly Ethylene) film water-based ink.

The present invention relates to one kind of biodegradable medical extracorporeal fixing material with shape memory function. The material is polylactic acid and may have added copolymer of epsilon-caprolactone and lactide-epsilon-caprolactone, inorganic mineral, silane as cross-linking agent, coloring agent and other components. It may produced into plate through mixing, pelletizing, extruding, rolling and other steps; or into netted structure through mixing, pelletizing, extruding, weaving and other steps. When it is used, the biodegradable medical extracorporeal fixing material is first softened in warm water at 55-70 deg.c, then fixed in the required position and finally hardened after the temperature is lowered to room temperature. The present invention has excellent permeability, good water tolerance, high strength, shape memory function, capacity of being reused, no irritation to skin, degradability and other advantages.

The invention discloses a four-die stepless speed change series-parallel hybrid power driving system, belonging to the technical field of automobile hybrid driving. The system comprises an engine, a clutch, two motors, corresponding transmission chains of the two motors, a power transfer switching device, a planetary gear differential device, a deceleration differential device, an energy storage device and a motor control device. The system provided by the invention has the characteristics of better technical inheritance with existing vehicles, overall dynamic property, fuel economy and low emission, and has functions of four-die driving, stepless speed change and series-parallel system; the problems of insufficient driving power, lack in ramp starting ability, large system volume and high cost of the existing similar technologies and the problems that the stepless speed regulation of the engine cannot be realized and the batch industrialization is difficult as the electromechanical components are difficult to manufacture are solved, and organic combination of high performance, low development cost, low system cost and easy implementation of scale industrialization is realized.

A process for reclaiming the water acid generated during preparing titanium oxide includes such steps as heating waste acid for hydrolysis to obtain metatitanic acid, returning it to the production line to prepare titanium yellow powder; and wet metallurgy of the filtrate generated by the said hydrolysis and the zinc contained oxide to obtain active zinc oxide, alkaline zinc carbonate, Fe2O3 and Zn-contained ammonium sulfate.

The invention relates to a preparation method and a device thereof for traversing type lateral composite plates and strips in the field of metallurgy composite materials; the preparation method comprises: preparing materials, forming ingots, cool molding, protection heating, die heat pressing, diffusion annealing, hot-rolling blooming, roughing, finish rolling, cleaning and packing. The device comprises a bottom plate and an upper indenter, wherein, cool press ingots to be pressed are placed between the bottom plate and the upper indenter; horizontal and symmetrical convex teeth are respectively arranged on the bottom plate and the upper indenter; the convex tooth points of the convex teeth are just opposite to the midline of the side of each copperplate in the cool press ingots; the bottom plate and the upper indenter are used for squeezing the cool press ingots to the middle by an oil pressure machine. The preparation method and the device of the invention leads the lateral composite interfaces of two metals in the prepared material to reach the high strength metallurgy combination; the material is high in the whole combination strength and firm in combination and can be used for the large-scale industrial application.

The invention discloses a wear-resistant Buna-N rubber thermoplastic elastomer composition and a preparation method thereof. The wear-resistant Buna-N rubber thermoplastic elastomer composition is prepared from Buna-N rubber, modified resin, a high-hardness silicate mineral substance and conventional auxiliary agents by blending. Raw materials of the wear-resistant Buna-N rubber thermoplastic elastomer composition comprise: by mass, 100 parts of Buna-N rubber (NBR), 0 to 60 parts of polyvinyl chloride (PVC) resin, 0 to 50 parts of styrene-butadiene-styrene block copolymer (SBS), 0 to 30 partsof a plasticizer dioctyl phthalate (DOP), 5.0 parts of a calcium-zinc composite stabilizing agent, 0 to 1.0 part of zine stearate, 0 to 0.6 parts of calcium stearate, 0.6 parts of eleaostearic acid, 0 to 0.5 parts of a composite antioxidant, 0 to 10 parts of potter's clay, and 15 to 60 parts of the high-hardness silicate mineral substance. The wear-resistant Buna-N rubber thermoplastic elastomer composition has excellent elasticity of a rubber elastomer, good scratch resistance and wear resistance and low raw material prices and can be recycled. The preparation method of the wear-resistant Buna-N rubber thermoplastic elastomer composition has simple preparation processes and a low production cost, and utilizes waste and old resources.

An electro-hydraulic hybrid power drive system comprises an engine, a first motor, a second motor, a first planetary gear set, a second planetary gear set and a hydraulic control gear shifting set connected with the engine, wherein the first motor is coupled with the engine; the second motor is coupled with the first planetary gear set and the second planetary gear set; the first planetary gear set and the second planetary gear set are coaxially connected; the hydraulic control gear shifting set comprises a first gear and a second gear; a wet type dual clutch unit is arranged between the first gear and the second gear; the first gear, the second gear and the wet type dual clutch unit are coaxially connected with the engine. With the adoption of the special electro-hydraulic hybrid power drive system, different work modes can be realized according to different requirements, ultra-low-speed stable operation can be realized, large torque is provided, fuel consumption is reduced, and the work requirement of a vehicle is met.

The invention discloses an artificial light fiber plate and a preparation method thereof, consisting of cottonwood, willow, platane wood (wood material), fruit trees, locusts, benfite, phenolic-resin glue, wax, aluminum sulphate, whitener and reinforcer. The preparation method comprises the steps of (1) selection and slicing of wood; (2) stewing and hot grinding; (3) material mixing and pulp preparation; (4) forming of slab; (5) secondary dehydration; (6) baking and shaping; (7) coating protection layer on the plate surface (8) grinding and thickness fixing; (9) spraying the protection layer on the back surface of the plate; (10) obtaining a finished light fiber plate through trimming and packaging. The compounded raw material of the invention is easy to be obtained; trees and branches can be taken as main raw material wood; the invention has the advantages of low price, wide source of raw material, low cost of product, having superiority of market competitiveness, reaching the performance level of abroad similar product, simple process of the preparation method, draining no polluted water, no environmental pollution in the whole process, being the improvement of wet-method plate preparation and meeting corresponding requirement of environmental protection.

The invention discloses a formaldehyde-free amino resin retanning agent. The formaldehyde-free amino resin retanning agent is characterized by being formed as follows: firstly, obtaining an intermediate containing hydroxyl and aldehyde group residue in molecule by using an amino monomer and glutaraldehyde through nucleophilic addition; then, obtaining the formaldehyde-free amino resin retanning agent by a series of reactions such as sulfonation, hydrolyzed collagen end-blocking, condensation and etherification. The formaldehyde-free amino resin retanning agent provided by the invention is an amino resin condensation product containing an aldehyde group, has retanning performance comparable with that of the conventional amino resin retanning agent, has an aldehyde group capable of performing covalent cross-linking reaction with the amino on collagenous fiber in molecule, and can be used for improving the humidity and heat-resistant stability of finished leather. Formaldehyde is not used in a preparation process of the formaldehyde-free amino resin retanning agent, so that harms of formaldehyde in the finished leather can be greatly lowered.

The invention relates to a novel biologically degradable macromolecular external securing material for medical purposes, wherein the essential component of the material is polylactic acid, or can be added poly gamma-caprolactone, inorganic mineral substance (such as calcium carbonate, titanium white, talcum powder, barium sulfate, montmorillonite), silicon alky coupling agent or coloring agent. The invention also discloses its preparation process.

A method for the reproduction of wild bigleaf tea tree with high yield and quality includes such steps as cutting the wooden twig of wild male-parent bigleaf tea tree to become segments with a leaf to obtain cuttage twigs, rooting, inserting them in nursery bed, arranging sunshade net above the nursery bed, moistening the nursery bed, conventional managing, and transplanting.

The invention provides a multi-purpose adaptive second-gear multimode stepless speed changing electric transmission integrated power system. The multi-purpose adaptive second-gear multimode stepless speed changing electric transmission integrated power system comprises a first motor and the like; a planetary gear train comprises a gear ring, a planet carrier and a sun gear; the rotor of the first motor is connected with the gear ring of the planetary gear train; the rotor of the second motor is connected with the sun gear of the planetary gear train and the input end of a transmission chain, respectively; a gear shifting device is connected with the input end of a speed reducing differential mechanism and control on power transfer from the planet carrier of the planetary gear train and the output end of the transmission chain to the speed reducing differential mechanism is realized; the output end of the speed reducing differential mechanism is connected with two wheels by use of two half shafts; a motor control device is connected with an energy storage device to transfer electric energy; the motor control device is further connected with the first motor and the second motor, respectively, and outputs control instructions. The multi-purpose adaptive second-gear multimode stepless speed changing electric transmission integrated power system has the characteristics of better technical inheritance to the existing vehicles, whole vehicle dynamic property, fuel economy and low emission.

The invention discloses a method for processing coke by electrolytic aluminium waste and a special device. The method is characterized by comprising the following steps of: obtaining a carbon material from electrolytic aluminium waste via magnetic separation and flotation processes; drying the carbon material, and preheating to 100-120 DEG C; adding asphalt and tar, mixing via kneading equipment, and then moulding in hydraulic moulding equipment by pressing; curing the moulded raw materials in an electro-thermal dry distillation device; and drying and preheating the carbon material by the dry-distilled coke product via a waste heat utilization device. The invention discloses a new process and a new technology for resource utilization for the high-fluorine-content carbon-containing solid waste of electrolytic aluminium, which is used for deeply processing the carbon material obtained by the electrolytic aluminium waste, so as to further increase the additional value of the electrolytic aluminium waste. Compared with the prior art, the new process and the new technology have the advantages of being wide in application range, high in treatment and disposal amount, advanced in technology, low in treatment cost, and good for the implementation of industrialization. Simultaneously, the project is specific in the aimed target market, and obvious in market competition advantage.

The invention discloses a gas concentration measuring device and a method thereof, which is applied to measuring the concentration of carbon dioxide; a single-channel infrared gas detecting module is used for detecting a voltage signal of gas to be measured; the voltage signal can be converted into voltage value by a digital to analog convertor; and a processing module is used for correcting the voltage value and reference voltage value for generating the concentration valve of the gas to be measured. If the reference voltage value is initial reference voltage value, the carbon dioxide concentration value in atmospheric environment can be taken as reference data, and the processing module is used for correcting voltage excursion of the gas to be measured. Therefore, the measurement accuracy is improved.

The invention relates to a method for one-step extraction and separation of essential oil, water solution and lipid of fresh peony flowers. The method comprises the following steps: on the basis of taking methyl ether or a mixed liquid of methyl ether, butane, propane and ethanol as a solvent, extracting the preprocessed fresh peony flowers in a sealed state at 10-50 DEG C under the pressure of 0.1-0.2MPa for 10-60 minutes; after the extraction is finished, performing solid-liquid separation, collecting an extraction liquid, and statically layering, wherein the peony essential oil is on the upper layer and the peony flower water solution and the peony flower lipid are on the lower layer; performing negative-pressure concentration on the lower-layer solution, and cooling and recovering a condensed liquid to obtain a peony flower water solution extraction liquid, wherein the concentrated liquid is the peony flower lipid. According to the method, the raw material variety is not limited, raw material resources can be fully utilized, the extraction rate is high, the residue content is low, the process is simple, the efficiency is high, the investment is low, and clean dewatered peony petals (filaments), peony flower essential oil, peony flower water solution extraction liquid and peony flower lipid can be obtained at the same time. The method is suitable for not only the fresh peony flowers but also rose flowers, rosa chinensis flowers, jasmine flowers, tea flowers, lavender and the like, the production cost is low, and the competitive advantage in market is remarkable.

The invention provides a multi-element small-amount high-formability magnesium alloy. The multi-element small-amount high-formability magnesium alloy comprises the following chemical components of, byweight percentage, 0.1%-2.0% of zinc, 0.01%-0.8% of calcium, 0.08%-0.5% of manganese, 0.01%-0.3% of tin and the balance of magnesium and additive elements, wherein the additive elements comprise oneor more of titanium, samarium, aluminum and boron, and the total content of the element magnesium in the magnesium alloy is larger than 97.5 wt%. A short-process preparation method comprises the threesteps of multi-element small-amount alloy smelting, sub-rapid solidification double-roller casting rolling and annealing treatment. Due to the combination of a multi-element small-amount component design and a sub-rapid solidification double-roller casting rolling technology, a supersaturated high-solid-solution structure is obtained, grain refinement is realized, uniform heat treatment is remarkably shortened, and the link of finish rolling is omitted. The room temperature elongation rate of an obtained magnesium alloy sheet is larger than 20%, and the magnesium alloy sheet is relatively weak in basal texture and can be directly subjected to punch forming.

The leather tanning agent having no chrome or having little chrome is made up by using amine material containing carboxymethyl group and aliphatic aldehyde compound through the processes of N-carboxymethylation reaction and ring-closing reaction. In addition to oxazolidine naphthenicbase its molecular structure also contains several functional groups of aldehyde group, carboxyl group, hydroxyl group and quaternary amino-group. Said main tanning agent can be combined with vegetable tannin extract, also can be combined with chrome for tanning leather, and can raise wet and thermal stabilizing of the finished leather and reduce dose of chrome by 30-40%.

Provided is an ultrathin wheel shaft type wheel hub motor, composed of an ultrathin wheel hub, a semiaxle motor, a planet secondary decelerator and a wheel fork frame. The semiaxle motor and the planet secondary decelerator are integrated to form a wheel shaft type wheel hub motor; the planet secondary decelerator is installed in the ultrathin wheel hub; the semiaxle motor is equivalent to a right wheel hub semiaxle. According to the invention, original structure contradictions of a mini type wheel hub motor which are difficult to solve are cleverly and effectively solved, thereby achieving the purposes of increasing a gear reduction ratio, improving motor revolving speed and efficiency, mitigating a motor weight and wheel hub crotch size, and simplifying a motor whole structure; an overrunning clutch flywheel in a reducing mechanism allows same sliding effects of an electric bicycle same and a bicycle; the weight of an ultrathin wheel shaft type reducing motor is less than two kilograms, and a crotch size is less than 70 mm. The ultrathin wheel shaft type wheel hub motor has the characteristics of high performance and low cost, and possesses outstanding features and market competition advantages.

The invention discloses a fruit and vegetable antistaling coating, which is composed of the following raw materials (by weight): 1 part of an ethylene absorbent, 100-200 parts of an adhesive, 0.1-10 parts of a water regulator and 0.05-15 parts of an antibacterial agent. A preparation method of the fruit and vegetable antistaling coating is simple; manufacturing cost is low; antistaling function is good; and the formula used has good safety, has no residue, can be used for directly packaging fruit and vegetable products, and has strong market competitive superiority.

The invention discloses a novel medium for cultivating pleurotus ostreatus and a method for cultivating pleurotus ostreatus by using the novel medium. The novel medium comprises the following raw materials in percentage by mass: 30-80% of rape stalks, 12.5-62.5% of rice straws, 5% of wheat bran, 0.5% of carbamide, 1% of saccharose and 1% of gypsum. The method for cultivating the pleurotus ostreatus mainly comprises the following steps: preparing a medium, inoculating, culturing hyphae, accelerating buds, carrying out management of producing mushroom, harvesting first-batch pleurotus ostreatus, nourishing fungus, supplementing water and culturing, carrying out management of producing mushroom and harvesting second-batch pleurotus ostreatus. According to the novel medium for cultivating pleurotus ostreatus, the by-products of waste crops such as rape stalks, the rice straws are reasonably utilized; the waste is changed into wealth; the cultivation medium has the characteristics of cheap and rich raw materials, high simplicity in preparation, convenience in storage and high yield; the method for cultivating the pleurotus ostreatus by using the medium is simple, easy to learn, low in requirements for devices and places, low in pollution rate and high in yield.

The invention relates to bicolor-effect fabric and preparation method thereof. The bicolor-effect fabric comprises polybutylene terephthalate fiber and polyethylene terephthalate fiber; the polybutylene terephthalate fiber and the polyethylene terephthalate fiber are interwoven with each other; and the polybutylene terephthalate fiber and the polyethylene terephthalate fiber, which are interwoven with each other, are dyed in a piece dyeing manner. The preparation method comprises the following steps: (1), selection of raw materials, and (2), after treatment of semifinished products; the technological process includes open width washing, full width shaping, pretreatment, secondary dyeing, soaping, dehydration, drying, shaping and winding. The fabric solves the problem of poor sublimation fastness of polyester fiber color-bar fabric and has the advantages that deep color and light color can be matched easily, the utility value of the product is improved, and market competition advantages are provided; the preparation method is simple in process, the production period is 30% shorter than that of colored woven color bars, wastes are reduced, the manufacturing cost is lowered, and a favorable application prospect is provided.

Provided is an integrated parking radar system. The integrated parking radar system comprises a master sensor and at least one slave sensor, wherein the master sensor comprises a CPU module, a first ultrasonic sensor, a master driving module, a master amplification module and at least one slave driving module, an A / D conversion module is arranged in the CPU module, the CPU module drives the first ultrasonic sensor through the master driving module, the first ultrasonic sensor amplifies a reflection analog signal through the master amplification module and transmits the amplified reflection analog signal to the A / D conversion module of the CPU module, the slave sensor is an analog probe without a CPU, the CPU module drives the slave sensor through the slave driving module, and the slave sensor transmits the reflection analog signal to the A / D conversion module of the CPU module. Due to the fact that the analog probe is adopted in the slave sensor, compared with the cost of a digital probe with a CPU, the cost of the integrated parking radar system is quite low, and especially when the integrated parking radar system is applied to the occasion with a plurality of probes, the integrated parking radar system has the remarkable competitive advantage in market, and can have the unpredictable business prospect.

The invention provides a double synchronizing clutch and a planetary gear coupling double-motor power system. The double synchronizing clutch comprises an inner synchronizer and an outer synchronizer which are arranged inside and outside in the radial direction, a first spline hub of the outer synchronizer and a second spline hub of the inner synchronizer are mechanically connected into a spline hub of an integrated structure, a channel is formed in the spline hub, an axial protrusion is arranged on a combining sleeve of the inner synchronizer, penetrates through the channel in the spline hub and is connected with a shifting fork ring groove of the inner synchronizer, an operation mechanism of the inner synchronizer is movably connected with the shifting fork ring groove of the inner synchronizer, an operation mechanism of the outer synchronizer is movably connected with a combining sleeve of the outer synchronizer, a combination tooth ring of the inner synchronizer is connected with a first input / output end, a combination tooth ring of the outer synchronizer is connected with a second input / output end, and the spline hub is connected with a third output / input end. The double synchronizing clutch and the planetary gear coupling double-motor power system have the stepless speed change function and the like, and have the advantage of meeting all-region and multipurpose application requirements.

The invention discloses a processing method of low blood glucose index preserved mango fruits with effect of regulating the intestinal function. The processing method sequentially comprises the following steps: fruit selecting, fruit cleaning and slicing, color-protecting, sugaring, secondary powder-wrapping and drying, wherein the sugaring process adopts L-arabinose for sugaring for 24-48 hours; the secondary powder-wrapping adopts a mixture of 80-95% of L-arabinose and 5-20% of oligosaccharide. The sugaring processing process of the preserved mango fruits processed by the processing method disclosed by the invention can keep the mouthfeel, and also has good effects of lowering the blood glucose index, restraining the development of hyperglycemia and relieving the pathogenetic condition of a patient with hyperglycemia.

The present invention discloses a bicyclic oxazole alkane tanning agent. The agent is characterized by being prepared with hydroxymethyl amine, polyhydroxy alcohol and aliphatic aldehydes. The appearance of the agent is pale yellow dense liquid, the 1162cm<-1> and 1060cm<-1> of the infrared spectrogram have an O-C-N skeleton vibration absorbing peak, and the content of hydroxymethyl after hydrolysis is 10 to 45 percent. The present invention also discloses a preparation method of the bicyclic oxazole alkane tanning agent. In the preparation method, 60 to 120 portions of hydroxymethyl amine, 30 to 110 portions of polyhydroxy alcohol and 65 to 125 portions of aliphatic aldehydes are mixed for 4 to 9 hours for reaction at the temperature between 50 DEG C and 80 DEG C, the dehydration reaction is performed for 2 to 4 hours at the temperature between 80 DEG C and 100 DEG C, and the agent can be prepared after the temperature is lowered to be between 40 DEG C and 55 DEG C. The agent is cheap, the tanning effect is good, and no dehydrant is used in the preparation process. Therefore, the present invention has the advantages that the method is simple, the feasibility is high, the production cost is low, and the possible environmental pollution is prevented.

The invention relates to a high-strength high-conductivity micro-boron copper alloy material which comprises the following components in percentage by weight: 0.01-0.2% of B, 0.2-1.8% of rare metal (the rare metal is one or two of Zr and Te), balance of Cu and unavoidable impurities. The preparation method comprises the following steps: smelting, and ausforming to obtain the copper-based alloy having fine performance. The obtained alloy has superior comprehensive performance, wherein the tensile strength is 530-600 MPa, the conductivity is 78-95%IACS (International Annealing Copper Standard), and the extensibility is no less than 12%; and the alloy has the advantages of low cost, simple preparation process and the like, and is easy to recycle and process. The copper alloy material provided by the invention is mainly applicable to the fields of lead wires of a high-speed electrified railway contact network, lead frames of large-scale integrated circuits, electrode materials and the like, and has fine industrial application prospects.