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2817results about How to "The preparation method is simple and easy" patented technology

High-dehydration hardenable plugging sealing agent

The invention relates to a high-dehydration hardenable plugging sealing agent which comprises the following components by mass percent: 35-50% of solidifying material, 25-35% of composite sealing agent, 5-15% of high-dehydration material, 5-10% of elastic expending material and 10-15% of fiber material, wherein the composite sealing agent is formed by mixing granular husk, mica and cotton seed hull in a mass ratio of 5:2:1; the solidifying material is formed by mixing gypsum, cement, blast furnace slag and sodium phosphate in a mass ratio of 1:1:0.5:0.1; the high-dehydration material is kieselguhr or coal ash; the elastic expending material is formed by mixing coated water-sucking rubber and coated water-sucking resin in a mass ratio of 1:1; and the fiber material is polyacrylonitrile fiber of 9-11mm. The sealing agent integrates with high dehydration, delay expanding, plugging solidification and physical overlap joint; and the formed sealing layer is not easy to destroy in the subsequent drilling process, thereby effectively improving the sealing efficiency.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Water catalyst sterilizing and detoxifying device and producing and using method thereof

The invention discloses a water catalyst sterilizing and detoxifying device and a producing and using method thereof. The device comprises a water catalyst generator and a DC (direct current) power supply, wherein the water catalyst generator comprises an anode electrode and a cathode electrode which are both titanium electrodes; and the anode electrode is coated with a composite material coating. The producing method comprises the following steps of: (I) making electrodes; and (II) making the composite material coating: preparing composite material coating liquid, and brushing, drying and sintering the coating liquid in multiple times. The using method comprises the following steps of: a, placing the cleaned article and the water catalyst generator in the cleaning water; b, connecting the water catalyst generator with the DC power supply; and c, purifying the cleaned article with the water catalyst generator and the cleaning water. According to the invention, the design is reasonable, the producing and using processes are simple, and the purifying effect is good; and moreover, the problems of poor using effect, possible new pollution, easy damage to the nutrient components of thecleaned food and the like of the existing sterilizing and pesticide residue removing methods can be solved.
Owner:姚广兴

Phosphorus-doped nickel cobalt sulfide/carbon nanotube-carbon nanofiber composite material and preparation method thereof

The invention belongs to the technical field of transitional-metal sulfide-carbon materials, and concretely relates to a phosphorus-doped nickel cobalt sulfide/carbon nanotube-carbon nanofiber composite material and a preparation method thereof. The preparation method comprises preparing carbon nanotube-doped carbon nanofiber through electrostatic spinning and high-temperature carbonization, then growing nickel cobalt sulfide nanorod in situ through a hydrothermal process, and finally calcining a phosphorus-containing precursor at a high temperature in an atmosphere of an inert gas, so as to prepare the phosphorus-doped composite material. The prepared carbon nanofiber possesses relatively large specific surface area, and the electric conductivity is effectively enhanced by doping carbon nanotube. By taking the carbon naofiber as a substrate, nickel cobalt sulfide nanorod uniformly densely grows on the surface of the composite fiber, and the synergistic effect of various substances is fully displayed. By doping phosphorus, the electrochemical activity of the composite material is further improved. The prepared phosphorus-doped nickel cobalt sulfide/carbon nanotube-carbon nanofiber composite material is applicable as a high-performance electro-catalytic material and an electrode material of lithium ion battery, solar cells and other new-energy-source devices.
Owner:FUDAN UNIV

Microorganism deodorant and preparation method thereof

The invention discloses a microorganism deodorant and a preparation method thereof. The microorganism deodorant has the following strain composition: 106-109 / mL of Lactobacillus acidophilus, 106-109 / mL of Bacillus pumilus, 106-109 / mL of Bacillus subtilis, 105-107 / mL of Pseudomonas fluorescens, 105-107 / mL of Rhodopseudomonas palustris, 104-106 / mL of Bantu Brettanomyces, 104-106 / mL of common Candida albican, 104-106 / mL of Penicillium expansum, 104-106 / mL of Rhizopus oryzae, 104-106 / mL of Trichoderma viride, 104-106 / mL of Streptomyces Microflavus and 104-106 / mL of Streptomyces griseus. Accordingto the microorganism deodorant, the release amount of obnoxious gas can be effectively lowered, and the technical support is provided for effectively processing fetor in livestock and poultry farms and protecting environment.
Owner:GUIZHOU UNIV

Capacitance touch screen and making method thereof

The invention discloses a capacitive touch screen and a manufacturing method; the capacitive touch screen comprises an upper glass substrate, a lower glass substrate and a sealant; the upper glass substrate and the lower glass substrate are bonded through the sealant; and transparent colorless gel is filled between the upper glass substrate and the lower glass substrate. The manufacturing method of the capacitive touch screen comprises the following steps: the upper glass substrate and the lower glass substrate are bonded together through the sealant to form a touch screen box; the glue is poured into the touch screen box; and the glue is solidified as the transparent colorless gel. The manufacturing method is simple in process. As no air layer exists, the capacitive touch screen can effectively prevent the scattering of the air layer to increase the light transmittance, the contrast and the color saturation. The capacitive touch screen can well improve the display effect.
Owner:BYD CO LTD

SOx trap for diesel and lean-burn gasoline automotive applications

The present invention provides a regenerable catalyst composition suitable for entrapping SOx. The composition of the invention comprises a copper oxide having the formula (Cu / (A oxide) where A oxide is SiO2, Zr—SiO2, A12O3, TiO2—Al2O3, ZrO2 and In2O3 or mixtures thereof. Copper loading may vary from about 10 to 60 mol % and is preferably about 25 mol %. The catalyst composition adsorbs SOx as metal sulfate under lean conditions and desorbs accumulated SOx as SO2 under rich conditions. Such reversible SOx trap are able to operate under conventional NOx trap operating conditions to prevent sulfur poisoning of the NOx trap. Furthermore, these traps may be regenerated under rich conditions at 300-450° C. In another embodiment of the present invention, an irreversible SOx trap capable of collecting SOx under lean conditions is provided. The traps of this embodiment include praseodymia, zirconia-praseodymia and mixed manganese-yttria and mixtures thereof.
Owner:FORD GLOBAL TECH LLC

Cobalt disulfide/carbon nanofiber composite material and preparation method thereof

The invention belongs to the technical field of transition metal sulfide-carbon materials and particularly relates to a cobalt disulfide / carbon nanofiber composite material and a preparation method and application thereof. The preparation process of the composite material includes the steps that carbon nanofibers are prepared through electrostatic spinning and a high-temperature carbonization method, and cobalt disulfide particles grow on the carbon nanofibers in situ through a solvent thermal method. The carbon nanofibers prepared through the method have large specific surface area, excellent conductivity, stable chemical performance and good mechanical performance. With the carbon nanofibers serve as substrate substances, the prepared cobalt disulfide / carbon nanofiber composite material has the advantage that the shape and the appearance are controllable, the cobalt disulfide particles evenly grow on the surfaces of the carbon nanofibers, and the synergistic effect of the cobalt disulfide particles and the carbon nanofibers can be given full play to. The prepared cobalt disulfide / carbon nanofiber composite material can serve as high-performance electric catalysis materials and electrode materials of lithium ion batteries, solar cells and other new-energy devices.
Owner:FUDAN UNIV

Preparation method of solvent-free sofa furniture microfiber synthetic leather

The invention discloses a preparation method of solvent-free sofa furniture microfiber synthetic leather, and is characterized in that an environmental-protection type polyether polymeric carbon composite type polyurethane resin is selected as a dry surface layer and a middle layer, a solvent-free layer is a foaming adhesive layer, a microfiber cloth base cloth pasted by a whole dry process and having good hand feeling and high chemical properties is selected for preparing the environmental-protection type sofa furniture leather having the excellent properties of strong real leather effect feeling, three-dimensional and full pattern, abrasion resistance, scratch resistance, hydrolysis resistance and the like; the solvent-free foaming layer is two-liquid type double-compound polyurethane and is composed of an isocyanate A component and a polyether polyol B component. The prepared solvent-free environmental-protection type sofa furniture leather has the advantages of simple leather preparation process, high efficiency and environmental protection, also has the characteristics of strong real leather effect feeling, three-dimensional and full pattern, full and soft hand feeling, wear resistance (wyzenbeek 400 thousand times), scratch resistance, hydrolysis resistance (8 years) and other high physical properties.
Owner:ANHUI ANLI MATERIAL TECH

Method for preparing monodisperse bismuth nano-particles

The invention discloses a method for preparing monodisperse bismuth nano-particles. The method adopts bismuth acetate as a bismuth source and adopts oleylamine or oleic acid as a package agent and a surface activity stabilizer to be synthesized into the bismuth nano-particles in an organic phase system. The operation steps of the method are simple, the used reagents are smaller in quantity and low in cost, the implementation is easy, and the method is safe and environment-friendly. The bismuth nano-particles prepared by the method has higher yield and good stability.
Owner:EAST CHINA NORMAL UNIVERSITY

Combination used for preventing and treating newborn pig diarrhea and preparation method and application thereof

The invention discloses a combination used for preventing and treating newborn piglet diarrhea and a preparation method and application thereof. In percent by weight, the product comprises 88-98% of attapulgite ultra-fine powder, 0.1-3% of organic acid, 0.1-4% of probiotic, 0.05-2% of oligosaccharide, 0.05-1.5% of vitamin C and 0.15-3% of crane sugar. The combination disclosed by the invention isdiluted into solution with the mass fraction of 0.05-3% with drinking water, the solution is used for feeding a piglet in an oral or drinking water manner, and the newborn piglet diarrhea caused by multiple factors can be effectively prevented and treated, thus the combination has the effects of improving immunocompetence of the piglet, improving antioxidant function, regulating intestinal microecology and protecting intestinal shape and can improve survival rate of the piglet, improve production performance of the piglet and relieve weaned stress on the piglet. The combination disclosed by the invention also has the characteristics of simple and convenient application mode, high efficiency, available raw materials, simple preparation and the like.
Owner:ANYOU BIOTECH GRP

Dipping solution and preparing method thereof

An impregnating solution for preparing hydrocatalyst contains at least two metal components in VIB family and at least one metal component in VIII family. It is prepared through dissolving a water-soluble Mo-contained compound in water, and adding organic carboxylic acid, the compound containing metal in VIB family and the salt containing metal in VIII family. Its advantages are high stability and no irritative volatile component.
Owner:CHINA PETROLEUM & CHEM CORP +1

Direct flotation collector of collophanite at room temperature and preparation method thereof

InactiveCN103056036ARealization of normal temperature positive flotationImprove solubilityFlotationActive agentProcess engineering
The invention belongs to collophanite flotation technology, and relates to a direct flotation collector of collophanite at room temperature and a preparation method thereof. The collector comprises ingredients with the following weight ratio: fatty acids 95-100 parts, sodium hydroxide 10-15 parts, sodium dodecyl sulfate 3-8 parts, polyoxyethylene5-10 parts and pine oil 1-3 parts. The preparation method includes: according to a certain weight ratio, heating and stirring the mixture of sodium dodecyl sulfate, polyoxyethylene pine oil, and water to obtain a novel surfactant; subjecting the fatty acid to saponification; finally, compounding the saponificated fatty acid and the novel surfactant by a certain percentage, stirring uniformly so as to obtain the collector. The direct flotation collector is not only good in solubility, but adaptable to low and medium grade collophanite and different temperature. In addition, the direct flotation collector has the advantages of good stability and simple pharmaceutical preparation process, Information about residual glue in the glue container is determined according to forming of vacuum when the vacuum generating system extracts air in the detection tube and accordingly can be widely used in the beneficiation of collophanite.
Owner:INST OF MULTIPURPOSE UTILIZATION OF MINERAL RESOURCES CHINESE ACAD OF GEOLOGICAL SCI

Compounding process of concrete hydration reducer

InactiveCN1810703AReduce heat of hydrationAdiabatic temperature rise is beneficialSolid phasesChemistry
The concrete hydration heat reducer is compounded with one kind of material selected from starch grafted polyacrylate, hydroxyl acetic acid-lactic acid copolymer, modified starch, polymethylamide, polymethyl formacrylate, polyalkyl acrylonitrile and ethyl cellulose, and through dissolving in water, reaction at 5-55 deg.c, water phase-solid phase separation after reaction to obtain the solid phase concrete hydration heat reducer. The material has molar ratio to water of 1 to 1-50. The product can reduce hydration heat of cement obviously, reduce the early adiabatic temperature raise of concrete, reduce temperature raise rate to lag the peak temperature time by about 6 days, make the concrete possess excellent heat stability, less initial stage temperature stress and less cracks.
Owner:CCCC SECOND HARBOR ENG +1

Nonaqueous non-abrasive polishing solution for soft, crisp and deliquescent crystal

The invention discloses a nonwater-based grinding-medium-free chemical mechanical polishing solution adapted to polishing crispy and easily deliquescent crystal. The components of the polishing solution are as below in terms of weight percentage: 40-65% of oil phase, 10-22% of deionized water, and the balance of surface active agent. The oil phase is alcohol or ester, and the surface active agent can adopt high-carbon fatty alcohol polyethenoxy ether, polyoxyethylene nonyl phenyl ether, polyoxyethylene octyl phenyl ether or polyoxyethylate amide of a non-ionic surface active agent. The invention has the advantages of simple polishing solution preparing method, good fluidity, no toxicity, no pollution, no corrosion, good stability, no easy volatilization and long service life. The surface of a polished sample has a roughness concentration which can be up to 1.7 nm, is free from such defects as scratch, damage, and the like, and can be permanently stored at the room temperature in the airtight condition.
Owner:DALIAN UNIV OF TECH

Method for preparing hydrated adhesive

The invention provides a method for preparing hydrated adhesive, which solves the problems of disposable usage, difficultly-controlled pasting position, difficult removal and the like in the traditional tackifier fundamentally. The technical key points of the invention are as follows: the hydrated adhesive is prepared by mixedly stirring the following raw materials by weight percent at normal temperature and pressure: 10%-35% of sodium alga acid (C6H7O8Na), 5%-30% of competed hydrate, 20%-50% of water-soluble adhesive and 5%-65% of water. The hydrated adhesive in the invention has the advantages of controllable viscosity, stable physicochemical property, environment protection, capability of repeated use, no residual and the like, and is suitable for caking of solid materials such as various paper, plastic and the like.
Owner:梁跃飞

Tungsten disulfide/carbon nanofiber/graphene composite material and preparation method thereof

The invention belongs to the technical field of transitional metal sulfide-carbon materials, and particularly relates to a tungsten disulfide / carbon nanofiber / graphene composite material and a preparation method thereof. The preparation method comprises the following steps: preparing a polyacrylonitrile nanofiber membrane in an electrostatic spinning manner; wrapping a polyacrylonitrile nanofiber with a graphene oxide through a solution immersion method; preparing a carbon nanofiber / graphene composite membrane through a high-temperature carbonization; and finally growing a tungsten disulfide nanosheet on the carbon nanofiber / graphene in situ through a one-step solvothermal method. The prepared tungsten disulfide / carbon nanofiber / graphene composite material has the advantages of stable chemical property, good conductivity, excellent mechanical property and the like, and can be used as an ideal high-performance electric catalytic material and an electrode material for new energy devices of a lithium-ion battery, a solar battery and the like.
Owner:FUDAN UNIV

Preparation method of silver catalyst carrier, carrier prepared by preparation method, silver catalyst prepared by carrier and application thereof

The invention relates to a preparation method of a porous alpha-alumina carrier of a silver catalyst used for ethylene oxide production by virtue of ethylene oxidation. The method is characterized in that before a formed body is formed, and a titanium silicalite is added into a formed body raw material. The silver catalyst prepared by the carrier which is prepared by the method shows excellent epoxidation capability and activity in the process of preparing ethylene oxide by virtue of ethylene oxidation. The invention also relates to the carrier prepared by the method, the silver catalyst prepared by the carrier, and application of the silver catalyst in ethylene oxide production by virtue of ethylene oxidation.
Owner:CHINA PETROLEUM & CHEM CORP +1
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