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16690results about How to "No pollution" patented technology

Air power engine assembly

The invention relates to an air-powered engine assembly, which comprises an air tank, an air valve, an air distributor, an intake pipe, camshafts, an intake duct, an exhaust control device, air cylinders, pistons, crankshafts, couplers, clutches, automatic gearboxes and differentials connected with the outside. The assembly is characterized in that the air valve, a constant pressure chamber and a pressure controller are arranged between the air tank and the air distributor; the air distributor is connected with a plurality of air cylinders on an air cylinder gasket; each air cylinder is connected with an exhaust chamber through an exhaust manifold; the exhaust chamber is provided with a turbine generator which is connected with a storage batter; the air cylinders are provided with the camshafts for controlling the air intake and exhaust of the air cylinders; the air cylinders are provided inside with the pistons for driving the crankshafts to rotate; the camshafts and the crankshafts are connected by chains; and the crankshafts are connected with the differentials through the couplers, the clutches and the gearboxes in turn. Therefore, doing work through air compression rather than fuel, the air-powered engine assembly has the advantages of avoiding waste gas discharge and air pollution, along with reliable operation, convenient operation, economical efficiency, practicality and so on. In addition, due to recycle of the waste gas for power generation, the air-powered engine assembly saves energy and reduces costs.
Owner:周登荣 +1

Special biological fish-fertilizer for aquaculture and preparation method thereof

The invention discloses a special biological fish fertilizer and a preparation method for the fertilizer used in aquiculture; wherein, the biological fish fertilizer mainly comprises raw materials as follows: microbiological preparation, inorganic fertilizers, fermentation organics, micro-mineral amino acid chelate, mineral composites, and water quality improver. The preparation method for the special biological fish fertilizer in aquiculture comprises steps as follows: microbiological preparation is produced; fermentation organics is then produced, and the micro-mineral amino acid chelate is produced, eventually the finished products are made. The special biological fish fertilizer has the advantages of limiting the growth and reproduction of the harmful algae, promoting the large-scale growth and reproduction of the suitable food for fish, effectively improving the water quality and purifying the water environment, strengthening the fish immunity, reducing the diseases, reducing cost due to the small use level, convenient use, mild odor, no pollution to the water, and environment protection. By combining the modern bioengineering technique, low-temperature drying technique, spray-drying technique, and super-fine crushing techniques, the preparation method has the advantages of stable quality for the fish fertilizers and lower overall cost.
Owner:WUHAN KEYANG BIOTECH

Process for extracting lithium from salt lake brine by adsorptive method

The present invention relates to adsorption process of extracting lithium from salt lake brine, and the process is suitable for producing lithium carbonate and lithium chloride with lithium-containing Qinghai saline lake brine, including concentrated lithium-containing Qinghai saline lake brine. The process includes sun shining saline lake brine to obtain concentrated lithium containing brine, adsorption of lithium ion with aluminum salt adsorbent, eluting adsorbed lithium ion with water, and refining and concentrating the elutriant to obtain material for preparing lithium carbonate and lithium chloride.
Owner:QINGHAI INST OF SALT LAKES OF CHINESE ACAD OF SCI

Nanometer clay-containing high absorptive hydrogel as well as preparation method and application thereof

The invention relates to a nanometer clay-containing high absorptive hydrogel as well as a preparation method and application thereof. The hydrogel contains an acrylamide monomer M1, a chemical crosslinking agent M2, inorganic nanometer clay M3 and a water soluble biopolymer M4 with use level of 98-50:0-10:2-25:015 in mass percent. The preparation method comprises the following step of: taking M3 as a filler or a reinforcing agent or a physical crosslinking agent and taking M4 as a second component in a water solution to prepare the environmentally-friendly hydrogel with high water soluble dye adsorption property and excellent mechanical property. The method has the advantages of simple and reliable preparation process, no environmental pollution, very strong dye adsorption removal effects and practicability; and the dye adsorption quantity can be adjusted by temperature, pH value, crosslinking degree, dye concentration, nanometer clay or biopolymer variety and use level and a reactant charge ratio. The hydrogel can be used for the fields of weaving and dyeing wastewater treatment, dye adsorption, and the like.
Owner:TIANJIN POLYTECHNIC UNIV

Large-capacity high power polymer ferric lithium phosphate power cell and preparation method thereof

The invention discloses a large-capacity high-power polymer lithium iron phosphate power battery. The weight ratio of anode slurry is as follows: 81 to 85 percent of lithium iron phosphate, 1 to 5.5 percent of superconduction carbon, 0 to 2.5 percent of conductive carbon soot, 0 to 4 percent of conductive black lead, 0 to 2.5 percent of crystalline flake graphite, 0 to 2 percent of carbon nanometer tube as well as 6 to 7.5 percent of polyvinylidene fluoride; the weight ratio of cathode slurry is as follows: 89 to 91 percent of cathode material, 1 to 3.5 percent of superconduction carbon, 0 to 2 percent of conductive carbon soot, 0 to 4 percent of conductive black lead, 2.5 to 3.5 percent of styrene-butadiene rubber as well as 1.5 to 2 percent of sodium carboxymethyl cellulose; the steps for preparing the battery are as follows: preparing slurry, coating the anode and the cathode, rolling and pressing a polar plate, transversely and separately cutting the polar plate, baking the polar plate, welding the polar ears of the anode and the cathode, preparing a battery cell, putting the electric core into a shell and sealing, baking the electric core, injecting liquid into the battery as well as forming the battery and dividing the volume of the battery. The invention relates to a lithium-ion secondary battery which can provide drive energies for electric tools, electric bicycles, motor cars and electric vehicles.
Owner:MCNAIR TECH

Back sight image cognition based on-vehicle blind area early warning system and method

The invention discloses a back sight image cognition based on-vehicle blind area early warning system and a method, wherein the system is composed of cameras (1 and 2) mounted on a rearview mirror to monitor the blind area, a digital signal processor (DSP), a sound prompting device, a power source and a plurality of data cables. The system reads the automobile travelling signal through the data cables, acquires the road surface image of the blind area (4 and 5) by adopting the rearview cameras, the processor processes the image, detects the automobile (3) in the blind area, analyzes the travelling state of the automobile, and realizes the multi-stage tracking for the automobile, when the driver intends to switch lanes, if another automobile in the blind area is not far from the automobile, then the driver is warned by the sound prompting device, so that the danger of collision during switching lanes is avoided. The back sight image cognition based on-vehicle blind area early warning system and the method are applied to the active safety driving, and has the advantages of simple system configuration, low cost, high safety performance, good real-time performance and complex environment adaptability.
Owner:HONG KONG PRODUCTIVITY COUNCIL

Emulsion type carbon fiber sizing agent and preparation method and application thereof

The invention discloses an emulsion type carbon fiber sizing agent, which comprises main size, an emulsifier, an aid and deionized water. The aid comprises a diluent and a penetrant, wherein the emulsifier is 5 to 15 mass percent of the main size, the diluent is 0 to 120 mass percent of the main size, the penetrant is 1 to 5 mass percent of the main size, and the mass ratio of the deionized water to the main size is 50-90:10-50. The invention also discloses a preparation method and application of the sizing agent. The sizing agent is suitable for unsaturated polyester resin and solves the problem of poor adhesion of the unsaturated polyester resin and the carbon fiber. After the sizing agent is used for sizing, the wear resistance of the carbon fiber is improved, and the broken filament amount is reduced, the post-processing performance of the fiber is improved, the interface adhesion of the carbon fiber and matrix resin is better, the shear strength between layers is improved, and the performance of composite materials is also improved.
Owner:UNIV OF JINAN

Magnetorheological-material-based 3D (Three-Dimensional) printing type rapid prototyping device and method

The invention relates to a magnetorheological-material-based 3D (Three-Dimensional) printing type rapid prototyping method and device. According to the principle of magnetorheological effect, a magnetorheological material is used as a 3D printing raw material; and a 3D solid model is constructed by spraying the magnetorheological material on a workbench with a magnetic field, rapidly solidifying and prototyping the sprayed magnetorheological material, and then depositing the treated material layer by layer. A computer is provided with three control circuits; one circuit is used for controlling the flow of a driving pump, namely the flow at a spray head; another circuit is used for controlling the 3D motion of the spray head through a servo mechanism; and the rest circuit is used for controlling colour mixing and allocating of a colourized ink box. The magnetorheological material is solidified and prototyped by utilizing the magnetic field generated by an electromagnet. According to the magnetorheological effect of the magnetorheological material, a temperature control module in the traditional melting, spraying and rapid prototyping type 3D printing method is replaced by the magnetic field; in addition, the device disclosed by the invention is also different from a high-pressure electric field required by an electrorheological fluid effect, has the advantages of being simple in structure, low in energy consumption and cost, capable of realizing the microminiaturization and the like, and can be applicable to the fields of process design, art and entertainment, prosthesis model and the like.
Owner:CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACADEMY OF SCI

LED road lamp and its lens

The invention relates to a lens for LED street lamp. A concave pit is provided in the middle of a first side face of the lens and allowing LED to be arranged therein, and the pit wall of the concave pit forms an incident face; an arcing bulge in the middle of a second side face of the lens forms an emergent face with the shape of pillow; and a totally reflecting face is circumferentially provided around the concave pit on the first side face of the lens. The invention also relates to a LED street lamp, which comprises a frame, and a lighting module arranged on the frame, wherein the lighting module comprises a thermal radiator, a substrate with a LED array, a PCB board with a through-hole array and a lens cap with a lens array. The substrate is provided on the undersurface of the thermal radiator, PCB board is provided on the outer surface of the substrate and connected with each LCD electrode, the lens cap is provided at the outer side of the PCB board, LEDs pass through the through-holes on the PCB board to be accommodated in the concave pit corresponding to the lens, and the lens array is formed by arranging and combining a plurality of above mentioned lenses. The invention can control the distribution of light to form rectangular light spot. The light in the effective illuminated zone is very uniform and there is no parasitic light outside the zone.
Owner:SHENZHEN BANG BELL ELECTRONICS

Method for preparing electrodes of super capacitor based on nickel foam and products thereof

The invention discloses a method for preparing electrodes of a dissymmetric super capacitor based on nickel foam. The method comprises the steps: washing the nickel foam, soaking the nickel foam into a graphene oxide aqueous solution to obtain nickel foam in which graphene oxide deposits, serving the nickel foam in which the graphene oxide deposits as precursor materials, and respectively adopting a three-electrode method for preparaing a positive electrode and a negative electrode of the dissymmetric super capacitor, wherein the positive electrode is composed of composite materials of graphene, a carbon nanometer tube and the nickel foam, and the negative electrode is composed of composite materials of graphene, manganese dioxide and the nickel foam. The invention further discloses some other methods for preparing the electrodes of the super capacitor based on the similar principle, and products which correspond to the methods. By means of the methods and the products, respective high-ratio capacitance characteristics of the composite materials are fully played, and energy density of the super capacitor is improved. In addition, usage of various combined reagents can be avoided, and accordingly large-batch industrial production is conducted in a mode of convenient control, low cost and low energy consumption.
Owner:HUAZHONG UNIV OF SCI & TECH

Intelligent cleaning robot capable of realizing automatic navigation, floor mopping, charging and rag cleaning

InactiveCN104586324ASecondary air pollution will not causeNo pollutionMachine detailsFloor-scrubbing machinesWatering troughMarine navigation
The invention discloses an intelligent cleaning robot capable of realizing automatic navigation, floor mopping, charging and duster cloth cleaning. The intelligent cleaning robot comprises a cleaning robot body and a base station with functions of automatically mopping a floor, charging and cleaning duster cloth, wherein the base station with the functions of automatically mopping the floor, charging and cleaning the duster cloth is an L-shaped fixing device; the cleaning robot body is mutually separated from the base station with the functions of automatically mopping the floor, charging and cleaning the duster cloth; the cleaning robot body and the base station move separately and freely; the front part of the base station with the functions of automatically mopping the floor, charging and cleaning the duster cloth is provided with an automatic charging contact end, and the base station is internally provided with a water filtration and dust extraction system and a water filtration system; the bottom of the base station with the functions of automatically mopping the floor, charging and cleaning the duster cloth is provided with a water trough which is used for automatically cleaning the duster cloth; the cleaning robot body is provided with a navigation component, and the navigation component is a three-coordinate digital gyroscope module. The intelligent cleaning robot has the characteristics of convenience in use, accuracy in positioning, sensitiveness in control response, low cost, small size and the like.
Owner:惠州市鑫沛科技股份有限公司

Water-based intaglio ink equal to plate engraving ink and uses thereof

ActiveCN101284965AOptimizing physical fastnessNo pollutionInksOther printing apparatusScreen printingSolubility
The invention is equivalent to water soluble intaglio ink of plate engraving ink and / or equivalent to water-soluble screen printing ink of the ink, suitable for a gravure printing machine. The ink has the advantages of nontoxicity, tastelessness, nonflammable property, water solubility, non-environmental pollution and rapid drying; the printing effect of the obtained presswork is the same as or equivalent to the printing effect of the plate engraving presswork; the materialized firmness of the presswork is superior to the materialized firmness of the plate engraving presswork; the ink is low in printing cost and suitable for printing secure and confidential documents with deep printing lines, such as bank notes, securities, stamps, food packing, etc.
Owner:北京万垟防伪技术有限责任公司 +2

Kieselguhr-based porous ceramics and method for loading Ag doped with nano TiO2 on same

The invention relates to a kieselguhr-based porous ceramics, a preparation method thereof and a method for loading Ag doped with nano TiO2 on the same, belonging to the technical field of a kieselguhr inorganic material. The kieselguhr-based porous ceramics is made from kieselguhr, a sintering auxiliary agent, a dispersing agent, a binder and water in the weight ratio of 60-92:8-40:0.01-2:0:001-1:100-450. The kieselguhr-based porous ceramics has functions of absorption and filtration, and can absorb granules in fluid when the fluid passes through the lieselguhr-based porous ceramics. Ag doped with nano TiO2 is loaded on the kieselguhr-based porous ceramics to generate kieselguhr-based porous ceramics loading the Ag doped with TiO2. The laden anatase-type nano TiO2 has large specific surface area. The effects of filtration, photochemical catalysis and sterilization of the kieselguhr-based porous ceramics loading the Ag doped with nano TiO2 are greatly increased.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER

Super-light foam cement concrete and preparation method thereof

The invention discloses a super-light foam cement concrete and a preparation method thereof. The super-light foam cement concrete comprises the following raw materials by weight parts: 9-36 parts of dead burnt magnesium oxides, 9-32 parts of dihydric phosphates, 0.5-7 parts of adjustable solidification agents, 6-25 parts of light burnt magnesium oxides, 0.5-7 parts of sulfur-containing components, 1-25 parts of industrial slag powder, 1-20 parts of kieselguhrs, 0.3-3.9 parts of waterproof agents, 0.2-1.7 parts of foam stabilizing agents, 1.0-8.9 parts of foaming agents and 25-90 parts of water. The preparation method of the high-performance super-light foam cement concrete comprises the following steps of: metering raw materials; preparing the slurry containing the foam stabilizing agents; uniformly mixing the foaming agents; pouring and standing by; foaming and expanding; coagulating and curing; and naturally maintaining. The super-light foam cement concrete has the advantages of light weight, high strength, heat preservation and insulation, stable volume, low production cost, energy-saving property, no environmental pollution, and the like. The super-light foam cement concrete is simple in production process and is especially suitable for the heat-insulating material of external building wall, roof and floor.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Plant stress-resistant inducer and application thereof

The invention relates to a plant stress-resistant inducer, which takes Chitosan oligosaccharide solution as an effective active component. The invention adopts Chitosan oligosaccharide to induce crops to resist drought, waterlog, cold and freeze. Leaves of the crops are sprayed with the Chitosan oligosaccharide or roots of the crops are irrigated with the Chitosan oligosaccharide in order to induce the stress resistance (drought, waterlog, cold and freeze resistance) of the crops. By inducing the leaves of the crops, the content of resistant enzyme is increased in different degrees; the praline content is obviously increased; the opening degree of stomata obviously declines; the chlorophyll content is obviously increased; and the stress resistance of the crops is improved. The external application of the Chitosan oligosaccharide can improve the stress resistance of the crops, is free from toxicity, causes no environmental pollution, and is simple in usage.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Rice slow-release fertilizer and preparation method thereof

InactiveCN107673927APhysiological characteristics are diverseWidely distributedCalcareous fertilisersMagnesium fertilisersCelluloseTrace element
The invention discloses a rice slow-release fertilizer and a preparation method thereof. The rice slow-release fertilizer comprises the following raw material components by weight: 25-40 parts of compound bacteria, 500-600 parts of an organic material, 800-1200 parts of an inorganic material, 100-150 parts of a fertilizer core, 20-30 parts of trace elements, 120-150 parts of additives, 70-80 partsof cellulose and 2500-3500 parts of a solvent.
Owner:INST OF SOIL FERTILIZER & ENVIRONMENT RESOURCE HEILONGJIANG ACADEMY OF AGRI SCI

Dry-type heat-insulating waterproof coating

InactiveCN101648794AGood heat insulation and waterproof effectImprove waterproof performancePliabilityTalc
The invention relates to a dry-type heat-insulating waterproof coating which comprises the following raw materials in percentage by weight: 0-5.5 dispersible polymer powder, 10-20 hollow filling beads, 5-20 sepiolite powder, 5-10 mica powder, 5-30 heavy calcium carbonate powder, 5-15 light calcium carbonate powder, 0.5-1.5 rutile titanium dioxide, 10-20 talc powder and 10-40 white cement. A coat formed by the coating of the invention has favorable heat-insulating waterproof effect (lowers indoor temperature by 4-20 DEG C) and excellent flexibility, impermeability, weathering resistance and bonding strength to a substrate as well as high strength, good brightness, uniform luster, smooth and tender touch feeling, waterproof washing and rubbing, and the like. The dry-type coating has the advantages of simple production process, convenient transportation, long storage time, convenient construction, and the like, no toxicity or pollution, environment-friendly trend suitability, low cost, low VOC and high performance, thereby becoming a new-generation building coating product.
Owner:吕海涛

Preparation method of super-retarding type polycarboxylate superplasticizer

The invention discloses a preparation method of a super-retarding type polycarboxylate superplasticizer. The super-retarding type polycarboxylate superplasticizer comprises a copolymer and water serving as a solvent, wherein the copolymer comprises an unsaturated polyether macromonomer, an unsaturated carboxylic acid / anhydride mini-monomer, an unsaturated sulfonic acid mini-monomer and an unsaturated phosphonic acid mini-monomer; the pH is 6-7. According to the preparation method, a phosphonate structure capable of retarding is introduced into a water reducer molecular structure; the prepared super-retarding type polycarboxylate superplasticizer can be directly applied to the concrete which needs a relatively long setting time, and thus the process of compounding a retarder can be saved, the production efficiency can be improved, the obtained product is uniform and stable, and abnormal concrete setting time can be avoided.
Owner:KZJ NEW MATERIALS GROUP CO LTD

Environment protection efficient water-based circuit board cleaning agent and preparation thereof

The invention provides an environment-friendly high-efficiency water-based circuit board cleaning agent and a method for preparing the same. The raw material formulation of the cleaning agent comprises a surfactant, a corrosion-retarding active agent, a chelating agent, a defoamer, a cleaning solvent and water. The preparation method comprises the following steps: accurately weighing various raw materials according to the ratio of the formulation, adding the raw materials into a reactor to be stirred evenly, and keeping the mixture stand to obtain the cleaning agent of the invention. The cleaning agent has the advantages of scientific and reasonable raw materials, simple and practicable preparation method, nontoxic and non-corrosive product, no inflammable and explosive properties, non pollution to the environment, high cleaning cleanliness and low cost, is biodegradable, can be cleaned through both immersion and ultrasonic, and has significant economic benefits.
Owner:潘惠凯 +1

An environment-friendly digital ink-jet direct printing textile ink and method for preparing same

ActiveCN101531848ASolve problems such as easy to cause pollution to the environmentSolve problems such as pollutionInksDyeing processUltra fineEngineering
An environment-friendly digital ink-jet direct printing textile ink and method for preparing same, the digital ink-jet direct printing textile ink composed of components as follows: pigment paste, connection materials, cross-linking agent, softening agent, solvent, surfactant, bactericide, pH regulating agent, and deionized water. The pigment paste is a mixture of the following components: pigments, ultra-dispersing agent, wetting agent, and deionized water. The preparation method includes: a. mixing the pigments, ultra-dispersing agent, wetting agent, and deionized water into a pigment paste, mixing the pigment paste at high-speed and then grinding it in an ultra-fine nano-grinding machine, to obtain the nano stage ultrafine grain paste; b. mixing the proportioning mixture with the grinded nano stage ultrafine grain paste, high-speed stirring and then filtering to obtain a finished environment-friendly digital ink-jet direct printing textile ink. The inventive printing textile ink does not contain formaldehyde, can be direct digital printed wtihtout plate-making when in use, and has rich color, soft hand feeling, and capability of allowing the digital ink-jet printing textile materials to meet the high environmental and quality requirements.
Owner:深圳市墨库图文技术有限公司

Solvent composite and preparation method and use thereof

The solvent composition consists of sodium hydroxide 5-12 wt% and urea 8-20 wt% except water. The preparation process of the solvent composition is also provided. Water solution of sodium hydroxideand water solution of urea are mixed to compound the solvent composition; or sodium hydroxide is first compounded into water solution and urea is then added to compound the solvent composition. The solvent composition may be used in directly dissolving natural cellulose and regenerated cellulose to obtain transparent cellulose solution with high dissolubility and high concentration.
Owner:WUHAN UNIV

Novel compound microorganism living bacteria agent, method for preparing same and applications

The invention discloses a novel compound microorganism living bacteria agent. The agent comprises probiotics such as pediococcus, saccharomyces, bacillus and the like, wherein the total bacterial quantity is above 107 colony-forming units (cfu) / gram. The invention further discloses a method for preparing the novel compound microorganism living bacteria agent and applications of the novel compound microorganism living bacteria agent in preparation of organic sewage purification additives, deodorization fly dispelling agents, degreasing agents, pipeline blockage removing agents, feed additives and microorganism disease prevention agents. The novel compound microorganism living bacteria agent has the comprehensive effects of high removal rates to ammonia nitrogen, total nitrogen and total phosphorus, small sludge residues, energy saving, environmental friendliness and the like and the characteristics of convenience in use, safety and quickness in function, no secondary pollution, benefits to ecological protection, low treatment cost, good comprehensive profit and the like.
Owner:SHANGHAI ECO WELL BIOSCI

SCR (selective catalytic reduction) flue gas denitration catalyst regeneration method

The invention relates to a catalyst regeneration method, and especially relates to an SCR flue gas denitration catalyst regeneration method. The method concretely comprises the following steps: purging a catalyst to be regenerated; putting the catalyst into a cleaning pool, cleaning with a cleaning solution, and drying; dipping the cleaned catalyst into an activity supplement solution to carry out activity supplement, and drying; and roasting and cooling the dried catalyst to obtain a generated denitration catalyst. The method of the invention has the following beneficial effects: catalyst carriers are not destroyed during cleaning; the catalyst can be cleaned, active substances can be supplemented, and active components of the regenerated catalyst are environmentally-friendly, so the regenerated catalyst does not generate pollution in the use process; and the denitration activity of the regenerated catalyst reaches above 90%. The method is very important for regeneration and reuse of dead toxic vanadium-titanium catalysts, and use promotion of self-developed novel environmentally-friendly and cheap titanium-based denitration catalysts.
Owner:NANJING UNIV OF TECH

Water-solubility acidity temporary plugging agent for press cracking

The invention relates to a water-soluble fracturing-acidifying temporary-stopping agent, used in temporary- stopping bed of oil water well in the course of selecting fracturing and multi-crack fracturing. It is comprised of bone glue, sulfonated pitch and guargum in the weight ratio of 5.5-6.5 to 1.5-3.5 to 1-2. Its preparing method is taking a certain amount of water to heat and keep the temperature at 70-80 deg.C, adding in bone glue and stirring, dissolving; when the temperature is lowered to 40-50 deg.C, adding in sulfonated pitch and stirring uniformly; adding in guargum and strongly stirring uniformly; pouring into a special container, spreading out into an about 3mm-thick cake in shape, and naturally drying; crushing and then screening, and selecting the particles with 3-6 mm diameter as the finished product. It is fast to dissolve, low-cost and strongly-stopping.
Owner:北京卓辰基业技术开发有限公司

Thermoplasticity sizing agent for carbon fiber and preparation and usage thereof

The invention provides a thermoplasticity sizing agent for a carbon fiber as well as a preparation method and a usage method thereof and relates to solvent sizing agent for a carbon fiber as well as a preparation method and a usage method thereof. According to the invention, the problems that the existing thermoplastic sizing agent is complicate in preparation process and pollutes the environment are solved. The preparation method is as follows: the thermoplastic resin, an organic solvent A and an adjuvant are mixed and stirred uniformly so as to obtain the thermoplastic sizing agent, when being used, the carbon fiber is dipped in the thermoplasticity sixing agent, then fractioning is carried out on the carbon fiber with agent and the treated carbon fiber is dipped in an organic solvent B, and finally the carbon fiber is dried. According to the invention, the wettability of the carbon fiber and the high performance thermoplasticity resin of polyarylether can be improved, the boundary bonding performance of the carbon fiber or the resin matrix composite of thermoplasticity polyarylether can be improved, and the thermoplasticity sizing agent has the advantages that the cost is low, the performance is stable, the utilization is stable and the environment is not polluted. The thermoplasticity sizing agent for the carbon fiber is used for the surface treatment of a carbon fiber material.
Owner:HARBIN INST OF TECH

Catalyst for alkane dehydrogenation and device

The invention provides a catalyst for alkane dehydrogenation as well as a continuous reaction regeneration device and method using the catalyst for catalytic dehydrogenation. The catalyst comprises four ingredients, the ingredient A is oxides of one kind of element or several kinds of elements from Ti, Nb, Ta, Mo, W, Re, In or Ga, the ingredient B is one kind or several kinds of materials in MgO, P2O5, ZrO2, Al2O3 or SiO2, the ingredient C is oxides of one kind of material or several kinds of materials from Zn, Cd and Sn, and the ingredient D is one kind of material or a mixture of several kinds of materials from alkali oxides or alkaline earth metal oxides. The catalyst does not contain noble metal such as Pt and the like, does not contain toxic ingredients such as Cr and the like and cannot pollute the environment. The activity of the catalyst is high, the selectivity of olefin generated by alkane dehydrogenation is high, the stability of the catalyst is good, the mechanical intensity is high, the continuous reaction regeneration device is used for alkane dehydrogenation, the reaction and the catalyst regeneration are continuously carried out, the efficiency is high, and the safety is high.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Ultra-microporous lightweight insulated firebrick and manufacture method thereof

The invention discloses an ultra-microporous lightweight insulated firebrick and a manufacture method thereof. The ultra-microporous lightweight insulated firebrick is prepared by the following raw materials in percentage by weight: powder mainly comprising 50-70 Al2O3 and SiO2, 5-10 expanding agent, 25-40 caking agent and 0.2-1.0 external foaming agent. The manufacture method comprises the following steps: uniformly mixing and stirring the raw materials into pasty material; mixing the foaming agent and water according to a ratio of 1: (15-20); adding the mixture to the pasty material to mix uniformly; then, casting into brick blanks; and drying and keeping the brick blanks at a temperature of 1200-1600 DEG C for 6-8 hours. The firebrick has the advantages of high compressive strength, low coefficient of heat conductivity and low linear change ratio and can be directly used for a fireproof coating of thermal equipment so that the product has the lightweight insulation and fireproofness functions and good insulation effect and is beneficial to energy saving and environmental protection. Compared with the prior art, the invention has obvious economic benefits.
Owner:郑州东方炉衬材料有限公司

Foam profile control agent applicable to oil field in-depth profile control

The invention provides a foam profile control agent applicable to oil field in-depth profile control. The foam profile control agent provided in the invention comprises a polymer cross-linking solution and gas; under formation pressure, a volume ratio of the gas to the polymer cross-linking solution is 0.2: 1 to 1: 1; and the polymer cross-linking solution of the foam profile control agent comprises, by weight, 0.3 to 1.2 wt% of a surfactant, 0.01 to 0.8 wt% of a polymer, 0.001 to 0.2 wt% of a cross-linking agent, 0.001 to 0.1 wt% of a stabilizing agent and 0.05 to 1.5 wt% of inorganic salt, with the balance being water. The foam profile control agent has an effect on delaying cross-linking, can effectively plug a high-permeability zone, can reduce oil-water interfacial tension and has the effects of enlarging swept volume and improving oil displacement efficiency.
Owner:PETROCHINA CO LTD +1

Completely fused paper soap and its making process

The component of the paper soap include carboxymethyl cellulose sodium, fatty alcohol polyioxymethyl ethyleneethere sodium sulfate, sodium dodecyl benzene sulfonate, lauryl sodium sulfate, cocinin diethanolamide, nonly phenol polyoxyethyleneether, glycerine, quaternary ammonium salt and citric acid. Its preparation includes preparing carboxymethyl cellulose sodium mother liquor, adding the mixed solution of other components to prepare solution through stirring, spraying the prepared solution of PVC plate and drying in a sealed room and moisture extract at 35-40 deg.c to form film.
Owner:成都洁利康实业发展有限公司
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