19 results about "Inorganic solvent" patented technology

The application provides a purification method of crude palladium, and belongs to the technical field of precious metal purification. In the application, the precious metals such as palladium in the crude palladium are dissolved by aqua regia, then the palladium ions are oxidized into high-valence palladium by an oxidizing agent, and then the high-valence palladium is precipitated into palladium salt by a precipitating agent, so as to improve the purity; then the palladium salt is dissolved by an inorganic solvent, so as to remove the impurities such as platinum, copper, iron and silver, thereby improving the purity of the palladium; the palladium ions in the filtrate are complexed by a first complexing agent, so as to obtain a sub-palladium salt precipitate, thereby removing the impurities and improving the purity of the palladium; then the palladium ions are further complexed by a second complexing agent, thereby further improving the purity of the palladium; and then electro-deposition is adopted, so as to ensure that the palladium ions are fully reduced into palladium powder, thereby improving the purity of the palladium. The experimental results show that the purity of the palladium powder obtained by the purification method is greater than or equal to 99.95%.

Disclosed is a method for treating objects produced by an additive manufacturing process which have at least one surface formed from a polymer with a glass transition temperature of at least 120° C., and preferably are formed from such a polymer, and in which the surface of the object is brought into contact with an organic or inorganic solvent. By such a treatment, the surface of the objects can be smoothed and relevant mechanical properties can be improved. Further disclosed are three-dimensional objects produced according to such a method and to the use of organic or inorganic solvents to reduce the surface roughness and / or to improve the mechanical properties and / or the chemical resistance.

The invention relates to the technical field of immunosensors, in particular to a CeO2-Pd NPs composite material, an immunosensor, a preparation method and application. The preparation method of the CeO2-Pd NPs composite material comprises the following steps: dissolving cerium salt and a polyvinylpyrrolidone solution in an organic solvent, adding an inorganic solvent, and carrying out a second heating reaction to obtain cerium dioxide; dissolving potassium salt, L-ascorbic acid and polyvinylpyrrolidone in an inorganic solvent, carrying out a third heating reaction, adding a palladium salt solution, and continuing the third heating reaction to obtain Pd NPs, namely palladium nanoparticles; the preparation method comprises the following steps: dispersing cerium dioxide in an inorganic solvent, and adding Pd NPs to obtain a CeO2-Pd NPs composite material; the invention also provides the CeO2-Pd NPs composite material prepared by the method, an immunosensor and a preparation method. The problem that an existing sensor is low in sensitivity when used for detecting DBP is solved.

An all-inorganic electrolyte formulation for use in a lithium-ion battery system comprising at least one of each a phosphoranimine, a phosphazene, a monomeric organophosphate and a supporting lithium salt. The electrolyte preferably has a melting point below 0° C., and a vapor pressure of combustible components at 60.6° C. sufficiently low to not produce a combustible mixture in air, e.g., less than 40 mmHg at 30° C. The phosphoranimine, phosphazene, and monomeric phosphorus compound preferably do not have any direct halogen-phosphorus bonds. A solid electrolyte interface layer formed by the electrolyte with an electrode is preferably thermally stable ≥80° C.

The invention relates to a method of producing a solution of a feedstock in organic or inorganic solvents. The method includes providing for contact between a feedstock and a solvent. The feedstock is placed in a perforated container. If the density of the solution is greater than the density of the solvent, a distance is provided from the bottom of the perforated container to the bottom of a vessel containing the solvent such that the height of the column of the solvent below the container allows the process of dissolution to take place. If the density of the solution is less than the density of the solvent, the container is immersed in the solvent such that the height of the column of the solvent above the container allows the process of dissolution to take place. The technical results include reducing energy expenditure, simplifying the process of producing a solution and also increasing the speed of dissolution.

The invention relates to the technical field of oil field recovery and carbon sequestration, and discloses a composition for preparing plugging gel, the plugging gel and a preparation method of the plugging gel. The composition contains a monomer combination, a modified nano material, an organic cross-linking agent, an initiator and an inorganic solvent, based on the total weight of the composition, the content of the monomer combination is 3-18 wt%, the content of the modified nano material is 0.1-5 wt%, the content of the organic cross-linking agent is 0.05-0.5 wt%, the content of the initiator is 0.05-0.5 wt%, and the content of the inorganic solvent is 76-96 wt%. The monomer combination contains an amide monomer, a sulfonic acid monomer and an acrylic acid monomer in a mass ratio of 1: (0.12-2.5): (0.25-2). By adopting the composition for preparing the plugging gel provided by the invention, the prepared plugging gel is high in mechanical strength and good in rheological property, and has good temperature resistance, salt resistance and CO2 resistance.

The present invention relates to a method for determining oxidation of coal, the method comprising: a) mixing a coal sample with an organic solvent and an inorganic solvent, to extract oxidised coal species from the coal sample into a liquid phase, and b) analysing the liquid phase from step (a) to determine a degree of coal oxidation. The inorganic solvent may comprise an inorganic compound such as a pyrophosphate. The present invention also relates to a method for controlling collector used in a coal flotation process, the method comprising determining a degree of oxidation of coal by the preceding method and controlling a ratio of non-polar collector to polar collector in the coal flotation process in response to the determined degree of oxidation of coal.

The invention discloses an extraction method of laminarin. The method comprises the following steps: 1) pretreating wet kelp by adopting steam explosion, drying and crushing to obtain powder; 2) carrying out first extraction on the powder by adopting a first organic solvent, and carrying out solid-liquid separation to obtain a first precipitate; (3) carrying out secondary extraction on the first precipitate and an inorganic solvent, and carrying out solid-liquid separation to obtain supernate; 4, the supernate and a second organic solvent are subjected to third extraction and solid-liquid separation, a second precipitate is obtained, and the laminarin is obtained.By means of the extraction method, the extraction rate of the laminarin can be increased, the molecular weight of the laminarin can be reduced, and the uronic acid content can be increased.

The application relates to the field of materials, and discloses a solvent-resistant, oxidation-resistant and corrosion-resistant micro-fluidic chip and a simple preparation method and application thereof. The chip comprises a hydrophilic substrate and a hydrophobic pattern on the surface of the hydrophilic substrate, and the hydrophobic pattern is composed of a cross-linked and solidified product of a hydrophobic precursor. Compared with a micro-fluidic chip prepared from a traditional hydrophilic and hydrophobic patterned surface, the application can more effectively confine a liquid, can resist most organic and inorganic solvents, and can not be dissolved or have any swelling behavior when the chip is soaked in a solvent for a long time. Therefore, the application can greatly widen the application of the micro-fluidic chip in liquid drop microarray and extreme environment, the processing process of the application is relatively simple, the preparation efficiency is relatively high, and the application is very convenient for large-area preparation and industrial production of the solvent-resistant micro-fluidic chip.

The invention relates to the technical field of medicines, in particular to puerarin carbon dots as well as a synthesis method and application thereof. The puerarin carbon dots are synthesized by taking puerarin as a carbon source and m-phenylenediamine as a nitrogen source. The invention also provides a synthetic method of puerarin carbon dots, which comprises the following steps: dispersing puerarin in an inorganic solvent to obtain a solution A; dissolving m-phenylenediamine in an inorganic solvent to obtain a solution B; adding the solution B into the solution A, heating, reacting, cooling and filtering to obtain filtrate; and filtering the filtrate by using a filter membrane, dialyzing the filtrate, and freeze-drying to obtain the puerarin carbon dots. The invention further provides application of the puerarin carbon dots in preparation of a disease diagnosis and treatment integrated reagent. The invention solves the problems that the existing puerarin is poor in water solubility, low in bioavailability, weak in self-fluorescence and difficult to be used for biological imaging, and the existing puerarin is difficult to be directly used for a nano diagnosis and treatment system.

The invention relates to the technical field of water pollution control, in particular to a manganese-based composite material and a preparation method and application thereof. The manganese-based composite material comprises a manganese sesquioxide base material and acid radical ions bonded on the surface of the manganese sesquioxide base material. The invention also provides a preparation method of the manganese-based composite material, which comprises the following steps: dissolving an inorganic manganese salt in an inorganic solvent to obtain a solution A; dissolving oxalate in an inorganic solvent to obtain a solution B; adding the solution A into the solution B, carrying out stirring reaction, and carrying out solid-liquid separation to obtain a manganese oxalate precursor; and calcining the manganese oxalate precursor to obtain porous manganese sesquioxide, immersing the porous manganese sesquioxide into an ammonium salt solution, stirring at normal temperature, standing to obtain manganese sesquioxide impregnated with ammonium salt, and calcining to obtain the manganese-based composite material. The invention also provides an application of the manganese-based composite material prepared by the preparation method as a catalyst. The problem that the oxidative degradation capacity of periodate on organic pollutants is limited when periodate is directly used as an oxidizing agent is solved.

The invention discloses a method for preparing a core-shell structure catalyst and applying the core-shell structure catalyst to black phosphorus crystal preparation, and belongs to the field of material synthesis. The method specifically comprises the following steps: synthesizing a polymer-metal catalyst composite material in an inorganic solvent or an organic solvent, drying, placing red phosphorus, a core-shell structure catalyst and a transport agent at a raw material end according to a certain proportion, and carrying out high-temperature treatment to obtain the high-quality black phosphorus at a nucleation end. Wherein the core-shell structure catalyst takes a polymer as a shell layer and a metal-B as a core, compared with a pure catalyst, the polymer of the shell layer improves the reaction participation temperature of the catalyst, and B in the core further improves the reaction activity of the catalyst metal, so that the problem that the reaction participation temperature of each material in the heating stage is different when black phosphorus is amplified to be prepared to be more than 30kg of a system is solved; therefore, the problems that the materials are not fully contacted in the reaction process, the volatilization rate of the materials is low and the hardening condition is serious are solved. Through construction of the core-shell structure, the material volatilization rate of the raw material end can be further improved, and the black phosphorus crystal quality is improved.

The invention relates to a synthesis method of a sulfentrazone chloride intermediate. The method comprises the following steps: adding an intermediate A into a solvent, adding a catalyst, and stirring and mixing; the solvent is an inorganic solvent; the catalyst is ferric trichloride hexahydrate; slowly heating the mixture to 50-100 DEG C, adding a chlorination reagent, reacting for 1-10 hours, and keeping the temperature for 1 hour; the chlorination reagent is one of chlorine, liquid chlorine, thionyl chloride and sulfonyl chloride; separating out solid, filtering, washing a filter cake with dilute alkaline water, collecting to obtain a brown solid chloride intermediate B, drying in vacuum at 80 DEG C for 24 hours to obtain a product, and applying filtrate to the next batch. The method has the advantages that different chlorination reagents and different reaction solvents and catalysts are used in the chlorination reaction, reaction conditions are optimized, impurities are reduced, and higher reaction yield is obtained.

The invention relates to the technical field of metal-based composite materials, in particular to a multi-dimensional nanometer synergistic reinforced aluminum-based composite material and a preparation method thereof. The preparation method of the multi-dimensional nano synergistically reinforced aluminum-based composite material comprises the following steps: taking zero-dimensional zirconium oxide powder and two-dimensional graphene powder as reinforcing phases, and uniformly mixing the reinforcing phases with an inorganic solvent respectively to obtain a zirconium oxide suspension and a graphene suspension; the graphene turbid liquid and aluminum alloy powder are stirred at a high speed, and a first mixture is obtained; stirring the zirconium oxide suspension and the mixture I at a low speed and then at a medium speed to obtain a mixture II; and sequentially carrying out vacuum drying and drying on the obtained mixture II to obtain the composite powder. And the composite powder is formed through an SLM technology, and then the multi-dimensional nanometer synergistic reinforced aluminum-based composite material is prepared. The prepared aluminum-based composite material has high strength and high toughness, and can meet the requirements of key parts of aero-engine blades and spacecraft bearing bracket lamps.

A rotor for all systems for circulating various single-phase fluids or multiphase fluids, ranging from organic or inorganic solvents to CO2 in liquid or supercritical phase in cells connected to each other by passages, subjected to adjustable centrifugal acceleration and comprising precise temperature control for chemical or biochemical reactions and extraction, purification and separation reactions, and for use in chemical and biochemical reactors, this rotor is formed by one or more discs stacked one on top of the other, each disc being made of a circular sector (A3) comprising a circular half-sector (10) and a circular half-sector (11), each circular half-sector being the mirror image of the other with respect to the plane (28) of the circular half-sector (10) after the two circular half-sectors are assembled opposite each other in a sealed manner. When the half-sectors (10 and 11) are joined, the half-channels of the half-sectors with their respective junctions (18A and 19B) form a junction channel.

The invention provides ink for preparing a semiconductor film, the semiconductor film and a preparation method of the semiconductor film, and belongs to the field of semiconductors. The invention provides ink for preparing a semiconductor film. The ink comprises the following components: indium salt, polyethylene glycol, a surfactant and an inorganic solvent, the molecular weight of the polyethylene glycol ranges from 20000 to 50000, or the molecular weight of the polyethylene glycol ranges from 1000000 to 5000000; when the molecular weight of the polyethylene glycol is 20000-50000, the mass of the polyethylene glycol is 1% of the mass of the indium nitrate; and when the molecular weight of the polyethylene glycol is 1000000-5000000, the mass of the polyethylene glycol is 1-2% of the mass of the indium nitrate. A weak coordinate bond is formed by an ether oxygen group of PEG and In < 3 + >, hydrolytic agglomeration of indium salt is inhibited, the dispersed state and ordered structure of indium oxide nanocrystals are regulated and controlled, and the carrier mobility is improved by adjusting the molecular weight and dosage of polyethylene glycol.

The application discloses a composite electrolyte for inhibiting zinc dendrite and prolonging the cycle life of a battery and application thereof. The solvent of the composite electrolyte is a mixture of inorganic solvent and organic solvent, the volume ratio of the inorganic solvent to the organic solvent is 1 / 9-3 / 7, and the organic solvent is ethylene glycol methyl ether (MOE). The composite electrolyte provided by the application can destroy the original water solvation shell of zinc ions, adjust the deposition process of the zinc ions, and make the zinc ions tend to deposit on the (002) crystal surface. Thus, the occurrence of side reactions such as dendrite and hydrogen evolution is inhibited, and the service life of the aqueous zinc ion battery is prolonged, and the cycle stability is improved. In addition, the composite electrolyte provided by the application has low preparation cost, and provides a strategy for developing high-performance aqueous zinc ion batteries in the future.

The application relates to the technical field of medical materials, in particular to a high-molecular adhesive material and a preparation method and application thereof. The preparation method of the high-molecular adhesive material comprises the following steps: adding alkali into acrylic acid to obtain neutralized acrylic acid; adding the neutralized acrylic acid, sodium carboxymethyl cellulose and N-hydroxysuccinimide acrylate into an inorganic solvent, then adding potassium persulfate (KPS), and heating to react to obtain a gel; and freeze-drying the gel to obtain the high-molecular adhesive material, namely, a CMC / PAA-NHS adhesive modified by N-hydroxysuccinimide. The application also provides the high-molecular adhesive material prepared by the preparation method and application of the high-molecular adhesive material as a medical material. The application solves the problem of poor adhesion of existing hemostatic sponges and hemostatic powders, and also solves the problem of limited hemostatic performance of hydrogel adhesives.

This invention relates to the field of cathode materials for aqueous zinc-ion batteries, and discloses a Ce-α-MnO2 / CNTs nanowire, its preparation method and application, an aqueous zinc-ion battery cathode sheet and its preparation method, and an aqueous zinc-ion battery. The preparation method of Ce-α-MnO2 / CNTs nanowires includes: first mixing multi-walled carbon nanotubes, trivalent cerium salt, and manganese sulfate in the presence of an inorganic solvent to obtain a mixture I; second mixing potassium permanganate solution with the mixture I to obtain product I; subjecting product I to a hydrothermal reaction to obtain product II; and drying product II to obtain Ce-α-MnO2 / CNTs nanowires. The Ce-α-MnO2 / CNTs nanowires of this invention, as a cathode material, have a high specific capacity, can improve the charge and discharge rate of aqueous zinc-ion batteries, and thus enhance the overall performance of aqueous zinc-ion batteries.