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39results about How to "Good industrialization potential" patented technology

Environment-friendly oil production delayed cross-linking profile control agent, method for preparing same and application of environment-friendly oil production delayed cross-linking profile control agent

The invention relates to a method for preparing an environment-friendly oil production delayed cross-linking profile control agent. The method includes steps of S1, synthesizing anti-salt polymer solution; S2, hydrolyzing the anti-salt polymer solution to obtain hydrolysate; S3, treating the hydrolysate to obtain anti-salt polymers; S4, adding the anti-salt polymers, phenol compounds, aldehyde compounds and catalysts into deionized water at the normal temperature and uniformly stirring and mixing the anti-salt polymers, the phenol compounds, the aldehyde compounds, the catalysts and the deionized water with one another to obtain the environment-friendly oil production delayed cross-linking profile control agent. The invention further relates to the environment-friendly oil production delayed cross-linking profile control agent prepared by the aid of the method and application of the environment-friendly oil production delayed cross-linking profile control agent to petroleum exploitation. The method, the environment-friendly oil production delayed cross-linking profile control agent and the application have the advantages that the environment-friendly oil production delayed cross-linking profile control agent is excellent in diversified properties such as the heat stability, the plugging performance, the high-temperature resistance, the viscosity increasing performance and the high mineralization resistance and accordingly can be applied to petroleum exploitation, diversified profile control effects can be realized by the environment-friendly oil production delayed cross-linking profile control agent, and the method and the environment-friendly oil production delayed cross-linking profile control agent has excellent application prospects and production potential in the technical field of petroleum exploitation.
Owner:DONGYING FANGLI CHEM CO LTD

Preparation method and application of spherical adsorbent for efficiently removing low-concentration hydrogen sulfide

InactiveCN108568290AEfficient adsorption capacityReduce adsorptionGas treatmentOther chemical processesSpherisorb ODSSorbent
The invention discloses a preparation method and application of a spherical adsorbent for efficiently removing low-concentration hydrogen sulfide. The preparation method comprises the following steps:taking pretreated industrialized spherical pseudo-boehmite as a carrier, then soaking the carrier in a certain amount of soluble alkali metal salt solution to obtain an adsorbent precursor, and drying and roasting the adsorbent precursor to obtain a load type adsorbent with high adsorption capacity. The adsorbent disclosed by the invention belongs to a dry desulfurization agent; firstly the adsorbent overcomes the defects caused by using a wet desulfurization agent that a liquid absorbent is used for removing sulfide, the treatment capacity of the equipment is large, the operation of the adsorbent is complicated, the adsorption capacity is low, the requirement of high adsorption capacity is difficult to meet, and especially, the wet process is difficult in meeting the high requirement ofremoving low-concentration hydrogen sulfide; secondly, the spherical adsorbent has the advantages of high adsorption capacity of adsorbing low-concentration hydrogen sulfide, large strength, low costand the like; and the spherical adsorbent is simple in preparation process and easy to produce widely and has good industrialized potential.
Owner:FUZHOU UNIV

Anti-counterfeiting bottle cap

The invention relates to an anti-counterfeiting bottle cap, and belongs to the technical field of bottle cap anti-counterfeiting. The anti-counterfeiting bottle cap comprises an inner cap; the inner cap sleeves a bottle opening, and has a wine outlet channel; one end of the outer surface of the inner cap, which is close to the bottle opening, is provided with multiple clamping grooves; the other end is provided with external threads; the periphery of the inner cap is sleeved by a connecting sleeve; clamping jaws matched with the clamping grooves are arranged on the inner surface of the connecting sleeve; one end of the inner cap, which is provided with the external threads, penetrates through the connecting sleeve; an inner plug for blocking the wine outlet channel is arranged at an end part of the inner cap; an anti-counterfeiting breaking ring is mounted on the connecting sleeve; multiple pawls are arranged at the end part of the connecting sleeve; the anti-counterfeiting breaking ring is provided with multiple ratchet grooves matched with the pawls; multiple breaking gaps are formed in a circumferential direction of the anti-counterfeiting breaking ring; the connecting sleeve is in threaded connection with a middle cap surrounding a screw cap; and a top cap for blocking a mounting cavity is mounted at the top of the middle cap. The bottle cap not only can achieve a bottle cap anti-counterfeiting effect, but also can solve the technical problem of poor sealing effect in reuse of the bottle cap after opening, and can be widely applied to wine anti-counterfeiting.
Owner:ANHUI BAISHIJIA PACKING CO LTD

Short-process recovery method of waste lithium iron phosphate positive electrode material

The invention discloses a short-process recovery method of a waste lithium iron phosphate positive electrode material, and relates to a short-process recovery method of a waste lithium iron phosphate positive electrode material. The invention aims to solve the problems of long recovery process and high cost of existing waste lithium iron phosphate materials. The method comprises the following steps: repeatedly and alternately soaking the positive plate material of the waste lithium iron phosphate battery in deionized water at 25 DEG C and 90 DEG C for three times to obtain a sheet of waste lithium iron phosphate material; drying a sheet of waste lithium iron phosphate material, and grinding in a ball mill for 1-3 hours to obtain waste lithium iron phosphate material powder; and putting the waste lithium iron phosphate material powder into N-methyl-2-pyrrolidone, performing magnetic stirring for 10-14 hours, performing filtering after the stirring to obtain a black precipitate, performing centrifuging and cleaning by using an organic solvent, and performing drying to obtain a waste lithium iron phosphate positive electrode material. The short-process recovery method of the waste lithium iron phosphate positive electrode material can be obtained.
Owner:STATE GRID HEILONGJIANG ELECTRIC POWER CO LTD ELECTRIC POWER RES INST +2

Piezoresistive sensing fabric with one-way moisture conduction effect and preparation method thereof

ActiveCN112680967AGood electrical conductivityAnti-high humidity interference performance High precisionMaterial resistanceVegetal fibresElectrically conductiveInterference resistance
The invention provides a piezoresistive sensing fabric with a one-way moisture conduction effect and a preparation method thereof. The piezoresistive sensing fabric takes fabric base cloth as a base material, through the structural design of asymmetric hydrophilic/hydrophobic functional surfaces on two sides, a first hydrophobic metal oxide layer, a first polymer conductive layer, the fabric base cloth, a second polymer conductive layer, a second hydrophobic metal oxide layer and a hydrophilic fiber layer are sequentially compounded from top to bottom, the piezoresistive sensing fabric with the one-way moisture conduction effect is constructed, and the piezoresistive sensing fabric has excellent electrical conductivity, moisture conduction effect, high-humidity interference resistance and high-precision sensing function. The preparation method is simple in process, high in practicability and suitable for being applied to the field of piezoresistive sensing material preparation; the method can be used for preparation in the air, the process is stable, and the repeatability is good; and large-area production and preparation can be realized, and the method has good industrialization potential.
Owner:WUHAN TEXTILE UNIV

An environmentally friendly delayed cross-linking profile control agent for oil recovery, its preparation method and use

The invention relates to a preparation method of an environment-friendly delayed crosslinking profile control agent for oil recovery. The preparation method comprises the following steps: S1: synthesizing a salt-resistant polymer solution; S2: hydrolyzing the salt-resistant polymer solution to obtain a hydrolyzed solution; S3: Treat the hydrolyzate to obtain the salt-resistant polymer; S4: Add the salt-resistant polymer, phenolic compound, aldehyde compound and catalyst into the deionized water at room temperature, stir and mix evenly, and obtain the environmentally friendly oil recovery retarder Cross-linking profile control agent. It also relates to an environment-friendly delayed cross-linking profile control agent for oil recovery obtained by the above preparation method and its application in oil recovery. The environmentally friendly delayed cross-linking profile control agent for oil recovery has many excellent properties such as excellent thermal stability, plugging performance, high temperature resistance, viscosity increasing performance and high salinity resistance, so it can be applied in oil production. To achieve various profile control effects, it has good application prospects and production potential in the field of oil extraction technology.
Owner:DONGYING FANGLI CHEM CO LTD

Method for realizing electronically localized passivation contacts, crystalline silicon solar cell and method for producing the same

The invention discloses a method for realizing electronic partial passivation contact. First, a tunneling silicon oxide and an amorphous silicon layer are prepared on a crystalline silicon substrate from which a damaged layer has been removed, and then a phosphorus doping is partially covered on the amorphous silicon thin film. agent, and then etches away the amorphous silicon film layer without partial coverage of the phosphorus dopant region by alkaline solution, and then fully crystallizes the amorphous silicon into polysilicon by annealing, and at the same time activates the phosphorus dopant and completes its formation in the polysilicon film Internal redistribution, and finally prepare a metallization layer on this partially phosphorus-doped polysilicon film. Furthermore, the present invention also discloses a crystalline silicon solar cell with an electronic local passivation contact structure and a corresponding cell preparation method. The method disclosed by the invention is simple in process, low in cost, and has good industrialization potential; the battery provided by the invention has good front optical performance and low metallization recombination, and can obtain higher collection probability of photogenerated carriers and less photogenerated carrier transport loss.
Owner:CHANGZHOU SHICHUANG ENERGY CO LTD

Method for synthesizing nucleoside antiviral drug intermediate thiopyrimidone derivatives

ActiveCN107915684AHigh selectivitySolve the problem of high isomer contentOrganic chemistryAntiviral drugNucleotide
The invention provides a method for synthesizing a thiopyrimidone compound shown as a formula (III). The method includes: in an inertial atmosphere, adding a compound shown as a formula (I), a compound shown as a formula (II), a phase transfer catalyst, a cocatalyst and alkali into a solvent, adding an additive serving as a reaction promoter under a condition of stirring, performing reflux stirring reaction for 5-12h at 60-100 DEG C, filtering to remove the solvent after reaction is finished, performing silica gel column chromatography separation, collecting eluent, and removing elution solvent to obtain the compound shown as the formula (III) in the specification, wherein R1 and R2 are H, C1-C6 alkyl groups, C1-C6 alkoxy groups or halogen substituted C1-C6 alkyl groups respectively and independently, X refers to halogen, and n is an integer in a range of 1-6, R3 is halogen, an acyl group with 1-6 carbon atoms, an acyloxy group with 1-6 carbon atoms, a phenyl group, a substituted phenyl group or a substituted hexaceteroary group. By proper selection and combination of alkalis, solvents, catalysts and promoters, synergistic effects are achieved, high-yield high-purity products can be obtained, O-isomer generation is avoided, and the method has an extensive application potential in the field of nucleotide medical intermediate synthesis.
Owner:常州优凯美医药科技有限公司

Aluminum alloy alkaline Sn-Mo conversion liquid and aluminum alloy conversion treatment method

The invention belongs to the technical field of metal material surface treatment, and discloses an aluminum alloy alkaline Sn-Mo conversion liquid and an aluminum alloy conversion treatment method. The conversion liquid is obtained by adjusting the pH of chromium-free conversion liquid to be alkaline through an acid-base regulator, wherein the chromium-free conversion liquid is composed of stannate, molybdate, citrate, an oxidizing agent, a water-soluble hydroxide, an organic solvent and water. The conversion treatment method comprises the following steps that an aluminum alloy undergoes surface cleaning treatment and acid pickling treatment, the aluminum alloy is immersed in the conversion liquid to undergo conversion treatment after being cleaned, and after undergoing water washing and drying, the surface-converted aluminum alloy is obtained. Through conversion treatment, a conversion film is obtained on the surface of the aluminum alloy, the film layer is uniform, and good discoloration resistance and corrosion resistance are achieved. The conversion liquid is the alkaline chromium-free conversion liquid, is safe and environment-friendly, is simple and convenient in process operation, and has a good industrialization prospect.
Owner:SOUTH CHINA UNIV OF TECH
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