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

The invention discloses a preparation method of hexamethylenediamine. The method is used for preparing 1, 6-hexamethylenediamine by virtue of carrying out ammoniation and catalytic hydrogenation on 1, 6-adipaldehyde. The method is simple in process, low in cost, high in yield, low in energy consumption and free from industrial three wastes.

The invention provides a flake-shaped nitrogen and phosphorus co-doped porous carbon material. The flake-shaped nitrogen and phosphorus co-doped porous carbon material is prepared by the following method: mixing aniline and phosphonitrilic chloride trimer and sealing and reacting for 2h to 24h under the conditions that the pressure is 1MPa to 10MPa and the temperature is 140 DEG C to 260 DEG C; then releasing pressure to normal pressure and drying by distillation to obtain a solid substance; under the protection of inert gas, carrying out high-temperature treatment on the solid substance at 400 DEG C to 1000 DEG C for 1h to 6h, so as to obtain a finished product. The flake-shaped nitrogen and phosphorus co-doped porous carbon material provided by the invention has excellent electric properties and can be used for preparing a capacitor electrode, especially a super-capacitor electrode, so that the material can be used for a capacitor, especially a super-capacitor, and has extremely great application potential and industrial value in the field of energy storage.

The invention relates to a pre-crosslinking gel retarding-swelling microsphere profile control agent and a preparation method and application thereof. The pre-crosslinking gel retarding-swelling microsphere profile control agent comprises a polyacrylic acid grafting prepolymer, an acrylamide monomer, a hydrophobic monomer, an anti-salt monomer, a temperature-resistant tackifying monomer, pure alkaline, a composite surfactant, modified kaolin powder, a composite crosslinking agent, an initiator and deionized water. The pre-crosslinking gel retarding-swelling microsphere profile control agent has the advantages that by selecting particular components, particularly modifying multiple components, and utilizing the comprehensive synergistic and promoting functions of multiple technical features, the profile control agent with excellent result is obtained; the excellent high temperature-resistant property, high salt-resistant property, good tackifying property, plugging property and the like are realized; the good application prospect and industrial potential are realized in the field of petroleum exploitation.

The invention discloses a preparation method of hexamethylenediamine. The method is used for preparing 1, 6-hexamethylenediamine by virtue of carrying out ammoniation and catalytic hydrogenation on 1, 6-adipaldehyde. The method is simple in process, low in cost, high in yield, low in energy consumption and free from industrial three wastes.

The invention relates to a chromium-free composite resin gel-type profile control agent for oil exploitation. The profile control agent is prepared from a nano-silica modified cross-linked polymer, a stabilizing agent, a reinforcing agent, organic sulfonate, a density modifier, a surface active agent, an additive, a thickening agent, a wetting agent and water. According to the profile control agent, under the synergistic effect of unique modification of raw materials, suitable selection of components, unique steps and technological parameters of a preparation method and the like, the target product with the best effect is obtained; the target product has good mechanical performance, temperature resistance, mineralization resistance, alkali resistance and the like and has good application prospects and industrial potential in the energy exploitation field.

The invention relates to a pre-crosslinked gel swelling particle alkali-resistant profile control agent and a preparation method and application thereof. The preparation method of the profile control agent includes the following steps: S1, preparing high-tenacity elastic particles; S2, oil-filling the high-tenacity elastic particles; S3, premixing materials; S4, performing polymerization reaction to obtain the pre-crosslinked gel swelling particle alkali-resistant profile control agent. Through coordinated effect of unique modifying of raw materials, proper selecting of components and setting of unique steps and process parameters of the preparation method, a target product best in effect is obtained. The profile control agent is excellent in mechanical performance, temperature resistance, mineralization resistance and alkali resistance and has good application prospect and industralization potential in the field of energy resource exploitation.

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.

The invention discloses a method for capturing and enriching carbon dioxide by using an active material or a modified active material and an application thereof and belongs to the technical field of environmental protection. In order to absorb carbon dioxide in air efficiently for a long time, the invention provides the method for capturing and enriching carbon dioxide by using the active materialor the modified active material. The active material is ion exchange resin, a zeolite molecular sieve, activated aluminium oxide or activated carbon, and the modified active material is a modified zeolite molecular sieve, modified activated aluminium oxide or modified activated carbon. The method can be used for adsorbing carbon dioxide in air efficiently at a constant temperature and a constantpressure and desorbs the adsorbed carbon dioxide. The carbon dioxide can be also taken as a carbon dioxide gas fertilizer for promoting growth of organisms, including growth of microalgae. Carbon dioxide is fully utilized, and the carbon dioxide content in air is reduced.

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.

The invention relates to a rhodiola rosea extract, an extraction method thereof, application thereof to treatment / prevention of an eye disease and a product containing the extract. The extraction method comprises the following steps: (1) treating raw materials to obtain raw material powder; (2) extracting an expansion system to obtain a crude extract; (3) performing liquid-liquid extraction by using an inorganic solution and an organic solvent to obtain a refined extract; (4) performing column chromatography separation to obtain the rhodiola rosea extract. The extract has a good effect of treating / preventing eye diseases such as asthenopia, xerophthalmia and eye nerve pains and can be prepared into an eye pad form so that the extract is convenient to use, safe and nontoxic and has good application prospects and industrial potentiality in the clinic field.

The invention discloses a method for electron beam pre-irradiation grafting modification of aramid fibers. The method comprises irradiating aramid fibers under an electron beam, feeding inert gas to the irradiated aramid fibers in a solution containing a polar solvent, a vinyl reactive monomer and ammonium ferrous sulfate to remove oxygen and carrying out heating for a reaction to obtain grafted aramid fibers, wherein the radiation absorption dosage is 25 to 320kGy in the radiation process and a mass ratio of the aramid fibers, polar solvent, vinyl reactive monomer to ammonium ferrous sulfateis 1: (20 to 45): (5 to 30): (0.02 to 0.07). The method realizes electron beam pre-irradiation grafting modification of aramid fibers, has reaction degree controllability, easily adjusts a fiber modification degree, has simple processes, is easy and has a wide application range and large industrialization potential.

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.

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.

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.

The invention relates to a solid preparation high in drug loading capacity and a preparation method thereof. The solid preparation high in drug loading capacity is prepared from, by weight, 80% or above of main drugs and 20% or below of adjuvant material, wherein the adjuvant material comprises an adhesive which accounts for, by weight, 3.0-15.0% of the solid preparation, and the adhesive is ultra-low-viscosity hydroxypropyl methyl cellulose which refers to the hydroxypropyl methyl cellulose meeting the following condition that the viscosity of the water solution of the hydroxypropyl methyl cellulose with the mass concentration of 2% is 2-4 centipoises at the temperature of 20 DEG C. The drug loading capacity of the solid preparation is up to 80% or above, quick release still can be kept,and a good product compressibility still can be kept. The weight and the size of the drug are effectively reduced, and compared with other adhesives in use, the production time can be effectively shortened, and the production cost is reduced.

The invention relates to a semiconductor chip cleaning agent, which comprises a wetting stripping composition composed of a wetting stripping agent and perfluoro-terminated polyoxyethylene ether, andcan also comprise a penetrating agent, a solubilizer, a composite functional agent, a nitrogen-containing complexing agent, an organic auxiliary agent and ultrapure water. The invention also providesa preparation method and application of the semiconductor chip cleaning agent, and a semiconductor chip cleaning method. The cleaning agent achieves an excellent technical effect through a wetting stripping composition composed of specific components and optimal combination and synergy of a penetrating agent, a composite functional agent and a nitrogen-containing complexing agent, and has good industrial application prospect and popularization potential in the technical field of semiconductor chip cleaning.

The invention discloses an electron selective passivation contact structure, a solar cell and a preparation method. The electron selective passivation contact structure comprises a crystalline silicon substrate; the tunneling passivation layer is deposited on the crystalline silicon substrate; the electron transport layer is deposited on the tunneling passivation layer, and the electron transport layer is a magnesium oxide film; the transparent electrode is deposited on the electron transport layer, and the transparent electrode is a zinc oxide transparent electrode; and the metal electrode is deposited on the zinc oxide transparent electrode. The crystalline silicon solar cell has high transparency and excellent passivation contact performance, carrier recombination loss at the metal-crystalline silicon contact position can be effectively reduced, parasitic optical absorption can be reduced, and the photoelectric conversion efficiency of the crystalline silicon solar cell is improved.

The invention discloses a method for preferentially adsorbing and separating ethylbenzene from a C8 aromatic hydrocarbon isomeride mixture, which comprises the following steps: by taking a microporous material synthesized from a carboxylic acid ligand and metal ions as an adsorbent, carrying out contact adsorption on the C8 aromatic hydrocarbon isomeride mixture containing ethylbenzene and the adsorbent, selective adsorption separation of ethylbenzene from a C8 aromatic hydrocarbon isomeride mixture is realized; the microporous material synthesized by carboxylic acid ligands and metal ions is a porous material formed by metal ions M and carboxylic acid organic ligands through coordinate bonds, and the general formula is [M3L6] n, 1 is an integer, and L represents HCOO-; the metal ion M is at least one of Co < 2 + >, Ni < 2 + > and Mg < 2 + >; and the carboxylic acid organic ligand is HCOOH.

The invention provides a novel calcium-ion selective chelating agent as shown in the formula (I) and a preparation method and application thereof. The compound has excellent capacity of ischemia and oxygen deprivation resistance, meanwhile has excellent transcellular capacity serving as a transport substrate of OATP1B1 transport proteins and has very important meaning and potential value in research of BAPTA derivates.

The invention relates to a nanocellulose-based aerogel based on electrostatic adsorption synergistic chemical crosslinking enhancement and a preparation method thereof. Firstly, cellulose nanocrystals and cellulose nanofibrils were extracted from biomass waste; then cellulose nanocrystals and cellulose nanofibrils were treated with 2,3-epoxypropyltrimethylammonium chloride and TMPEO, respectively. Modification treatment, so that the surface is respectively charged with sufficient positive and negative charges; then the modified cellulose nanocrystals, cellulose nanofibrils and sodium alginate with different charges are mixed to obtain a composite airgel; finally Chemical crosslinking of isocyanate compounds such as HT is sufficient. Under the combined effects of electrostatic adsorption, chemical cross-linking, and cellulose nanocrystal reinforcement, the composite airgel exhibits excellent mechanical properties, and its compressive modulus and compressive strength are three times higher than those of traditional nanocellulose-based aerogels. An order of magnitude, the problems of brittleness and disintegration have been completely solved.

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.

The invention relates to physostigmine and provides a preparation method for a physostigmine precursor compound. The physostigmine precursor compound is prepared with 5-methoxytryptamine as a starting raw material through amino protection, intramolecular cyclization, methylation and amide reduction. The preparation method has the advantages of simple synthesis route, usage of cheap and easily available synthesis reagents, simple synthesis operation, friendliness to environment and the like and is highly feasible in industrial production. In particular, a cyclization reagent, i.e., 1,3-dichloro-5,5-dimethylhydantoin, used in the key intramolecular cyclization is a commercial germicide and disinfectant and is cheap, easily available and friendly to environment. The physostigmine precursor compound used as a synthesis precursor or intermediate for physostigmine is also applicable as a synthesis precursor for phenserine and a variety of physostigmine derivatives and thus has good application value and development potential.

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.

The invention relates to a solid preparation high in drug loading capacity and a preparation method thereof. The solid preparation high in drug loading capacity is prepared from, by weight, 80% or above of main drugs and 20% or below of adjuvant material, wherein the adjuvant material comprises an adhesive which accounts for, by weight, 3.0-15.0% of the solid preparation, and the adhesive is ultra-low-viscosity hydroxypropyl methyl cellulose which refers to the hydroxypropyl methyl cellulose meeting the following condition that the viscosity of the water solution of the hydroxypropyl methyl cellulose with the mass concentration of 2% is 2-4 centipoises at the temperature of 20 DEG C. The drug loading capacity of the solid preparation is up to 80% or above, quick release still can be kept,and a good product compressibility still can be kept. The weight and the size of the drug are effectively reduced, and compared with other adhesives in use, the production time can be effectively shortened, and the production cost is reduced.

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.

The invention relates to a pre-crosslinking gel retarding-swelling microsphere profile control agent and a preparation method and application thereof. The pre-crosslinking gel retarding-swelling microsphere profile control agent comprises a polyacrylic acid grafting prepolymer, an acrylamide monomer, a hydrophobic monomer, an anti-salt monomer, a temperature-resistant tackifying monomer, pure alkaline, a composite surfactant, modified kaolin powder, a composite crosslinking agent, an initiator and deionized water. The pre-crosslinking gel retarding-swelling microsphere profile control agent has the advantages that by selecting particular components, particularly modifying multiple components, and utilizing the comprehensive synergistic and promoting functions of multiple technical features, the profile control agent with excellent result is obtained; the excellent high temperature-resistant property, high salt-resistant property, good tackifying property, plugging property and the like are realized; the good application prospect and industrial potential are realized in the field of petroleum exploitation.

The invention discloses a supported transition metal phosphide catalyst, a preparation method and application thereof. The supported transition metal phosphide catalyst consists of NixPy and a carrier; the NixPy is loaded on the carrier. In the above-mentioned loaded transition metal phosphide catalyst, the carrier is selected from at least one of silicon dioxide, titanium dioxide, zinc oxide and activated carbon; the mass parts of the NixPy are 8-16 parts; the mass parts of the carrier are 84‑92 parts; the molar ratio of Ni and P is (0.5‑2):1. The catalyst uses diammonium hydrogen phosphate as the phosphorus source, uses metal nickel nitrate as the precursor, and uses one of silicon dioxide, zinc oxide, titanium dioxide, activated carbon, etc. as the carrier, and adopts the method of temperature-programmed reduction. Rapid and efficient synthesis of supported NixPy catalyst under reducing atmosphere, which has good hydrogenation activity of dimethyl oxalate and selectivity of methyl glycolate and ethylene glycol.

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.