35 results about "Ionic complex" patented technology

A process for removing impurity metal ions from an acidic metal sulfate containing stream by adding an effective amount of a reagent, comprising at least one dialkyldithiophosphate compound with the alkyl chain length of C1 to C8 to the acidic metal sulfate containing stream to form impurity metal ion complexes; and separating the impurity metal ion complexes from the acidic metal sulfate stream.

The invention belongs to the technical field of traditional Chinese medicine preparations, and provides a pharmaceutical composition for recurrent urinary tract infection and a preparation method thereof. According to the invention, a compound extract for warming yang, promoting diuresis and activating blood and baicalin are synergistically compounded in an ion composite network formed by sodium alginate and chitosan, and are subjected to shear dispersion or homogenization treatment to form ion composite nanoparticles, and then the ion composite nanoparticles are subjected to calcium chloride cross-linking solidification and chitosan coating to prepare a multi-layer synergistic carrier design of the pellet; the dispersion uniformity, the forming strength, the pH response release and the storage stability of the ionic composite nanoparticles under the condition of high drug loading capacity are realized, and the core contradiction that the mechanical strength, the in-vivo swelling response release and the low-water-content storage and transportation stability are difficult to consider at the same time in the existing calcium alginate carrier system is solved; the method has wide clinical application value in comprehensive prevention and treatment of recurrent urinary tract infection.

This invention discloses a biomimetic bundled fiber evaporator, its preparation method, and its application, belonging to the field of solar interface evaporation water treatment technology. The evaporator includes a bundled fiber core formed by binding C-shaped or Y-shaped cross-section fibers or multi-twisted cotton threads with binding straps; a tannic acid-iron ion complex or MXene superhydrophilic photothermal coating coated on its surface; a hydrophobic thin layer of polydimethylsiloxane or polymethylhydrosilane sprayed onto the upper side of the evaporator; and an insulating float for buoyancy. This invention's biomimetic bundled fiber structure, inspired by enoki mushrooms, replaces the traditional ice template method with simple physical constraints, resulting in a simple, rapid, and low-cost preparation process. This structure achieves efficient, low-resistance water transport and excellent thermal localization effects. Experiments show that the evaporator can achieve a pure water evaporation rate of 2.43~2.82 kg·m³ under one day of sunlight. ‑2 ·h ‑1 It also has excellent evaporation performance and long-term stability, and can be widely used in seawater desalination, high-salt wastewater treatment and other fields.

The application provides a high-capacity long-cycle high-nickel positive electrode material and a preparation method thereof. The high-nickel positive electrode material is a compound shown in the following general formula: Li a Ni x Co y Mn z M 1‑x‑y‑z O2, M is selected from one or more of V, Ta, Nb, Sr, Mo, Mg, Al, Zr, Ti, Ca, La and W, 0.80<=a<=1.20, 0.6<=x<=1.0. The material can form an ion complex with lithium ions. When the compound is added to an aqueous solution, lithium ions can be complexed and then attached to the surface of the high-nickel positive electrode material, so that the excessive escape of lithium ions is prevented, the structural lithium loss of the material in the water washing process is minimized, and the high-nickel positive electrode material with the high-capacity characteristic is prepared.

The inventions relate to olefin polymerization processes. The invention describes: compounds that act as solid activating supports; catalysts; and catalytic compositions containing olefin polymerization catalysts that comprise said solid activating supports having the formula (I): support - O - A. In the compounds expressed by this formula, the support is a solid substrate of an inorganic oxide, and A is a polyfluorinated functional group bound to an oxygen atom on the substrate surface and having the general formula: [C(R1 ) (R2 )-O-MLn]z+ (Cty+ )z / y (II), where M is selected from the group consisting of an atom of aluminium, gallium, boron, a group 3 transition metal, and lanthanide; L is a ligand; n is 2, 3 or 4; z is 0 or 1, and Cty+ is a cation capable of converting a neutral transition metal complex into a cationic complex capable of catalyzing olefin polymerization, with a charge y, where y is 1 or 2. The invention makes it possible to use olefin polymerization catalysts on solid supports in suspension processes and gas-phase processes, thereby producing polyolefins in the form of powders having a narrow particle size distribution and a high bulk density.

The present invention provides a silver ion complex Gemini quaternary ammonium salt along with its preparation method and application. The preparation method includes: the Michael addition reaction and nucleophilic substitution reaction are conducted on dimethylaminoethyl acrylate, long chain thiol and dihaloalkane to obtain Gemini quaternary ammonium salt; and then the Gemini quaternary ammonium salt combines with silver salt to yield the silver ion complexed Gemini quaternary ammonium salt. The present invention includes the silver ion complex of Gemini quaternary ammonium salt and the preparation method and the application. The silver ion complex of Gemini quaternary ammonium salt has higher sterilization and environmental degradability, which greatly reduces the probability of bacterial resistance.

The invention provides a marine antifouling coating as well as a preparation method and application thereof. The marine antifouling coating comprises a base material, epoxy resin primer and a composite antifouling layer which are sequentially stacked, and the composite antifouling layer comprises a copolymer of 2-acrylamide-2-methyl-1-propanesulfonate and trimethyl (acrylamide propyl) ammonium iodide and a polydopamine-metal ion complex. Epoxy resin primer is arranged on the surface of a base material, then a composite coating containing PDA (at) M and AMPs + / TMAAI is prepared on the epoxy resin substrate through a co-deposition method, the composite coating and the epoxy resin primer act together, and the long-acting antifouling performance of the coating in the marine environment is improved.

The present invention belongs to the technical field of chemical mechanical polishing, and relates to an alkaline gallium nitride polishing liquid based on the Fenton reaction and a preparation method thereof. The alkaline gallium nitride polishing liquid provided by the present invention comprises hydrogen peroxide, silica abrasive, sodium bicarbonate, iron salt, dispersant, stabilizer, chelating agent and deionized water. The present invention can broaden the scope of application of the Fenton reaction to alkaline conditions by catalyzing hydrogen peroxide with an iron-based ion complex. The use of a stabilizer can promote the conversion of trivalent iron ions to ferrous ions, enhance the catalytic effect of ferrous ions, and extend the effective duration of the polishing liquid. The polishing liquid provided by the present invention is environmentally friendly, does not corrode processing equipment, has low cost, stable properties, is more convenient to operate without the need for additional auxiliary equipment, and can be stably stored for a long time.

This invention provides a method for separating and recovering cobalt and nickel from alkaline leaching solutions via CO2 mineralization. The method includes: leaching a raw material containing cobalt and nickel in an amine complexing agent solution to obtain a leaching solution containing cobalt and nickel ion complexes; introducing CO2 into the leaching solution to perform a carbonation precipitation reaction of the metal ions; and controlling different reaction temperatures to achieve co-precipitation of cobalt and nickel or stepwise precipitation of cobalt and nickel, thereby achieving the separation and recovery of cobalt and nickel. This invention achieves the dual benefits of CO2 absorption and efficient precipitation and separation of cobalt and nickel ions, and the process is simple, significantly reducing raw material costs and environmental remediation costs.

A method comprising: contacting a cobalt salt containing one or more cobalt halides or esters with a trialkylaluminum or halodialkylaluminum in a coordination compound and / or an inert solvent to form a solution; contacting the formed solution with carbon monoxide having a partial pressure of about 10 psi to about 500 psi at a temperature of about 25°C to about 100°C under conditions for forming a cobalt carbonyl; and contacting the cobalt carbonyl with a porphyrin metal or alkyl halide and a coordination compound, and optionally an inert solvent, under conditions for forming a complex of the cation of the porphyrin metal or alkyl halide, wherein the coordination compound is coordinated to the metal and the anion of the cobalt carbonyl.

A method of extracting a critical mineral cation from a composition is provided. The composition can be any type of composition having critical minerals. The method can include contacting a polyanion to a composition, wherein the composition includes the critical mineral cation. The method includes complexing the critical mineral cation with the polyanion to form a polyan-ion / cation complex in the composition. The method can include separating the polyanion / cation complex from the composition. The method can also include releasing the critical mineral cation from the polyanion.

Systems and methods drawn to an electrochemical cell comprising a low temperature ionic liquid comprising positive ions and negative ions and a performance enhancing additive added to the low temperature ionic liquid. The additive dissolves in the ionic liquid to form cations, which are coordinated with one or more negative ions forming ion complexes. The electrochemical cell also includes an air electrode configured to absorb and reduce oxygen. The ion complexes improve oxygen reduction thermodynamics and / or kinetics relative to the ionic liquid without the additive.

The invention discloses a preparation method of a TiN tension coating on the surface of oriented silicon steel, which belongs to the field of silicon steel tension coatings and comprises the following steps: brushing a precursor solution containing a titanium ion complex on the surface of silicon steel, and carrying out heat treatment on the silicon steel at a temperature higher than a first temperature. In the heating process of heat treatment, when the temperature is lower than a first temperature, the silicon steel is protected by inert atmosphere, when the temperature is higher than the first temperature, the ligand of the introduced ammonia gas and titanium ion complex is an organic ligand, and the first temperature is higher than the degradation temperature of the organic ligand. The compact titanium nitride tension coating can be prepared on the silicon steel, the area and the shape of the silicon steel are not limited, large-area brush coating can be achieved, brush coating and heat treatment can be matched with the silicon steel preparation process, the cost of improvement on original silicon steel production equipment is low, and the atmosphere is controlled in stages according to the temperature, so that the prepared coating is compact and good in film forming quality; and the binding force between the coating and the silicon steel is strong.

The present invention relates to an ionic complex comprising a cationic polypeptide and an anionic excipient selected from: a PEG-carboxylic acid; a fatty acid having 10 or more carbon atoms; an anionic phospholipid; and a combination thereof. The invention also relates to a pharmaceutical composition comprising the ionic complex of the invention and a pharmaceutically acceptable carrier. The cationic polypeptide of the ionic complex has pharmacological activity and the complex can provide a more desirable pharmacokinetic profile for the cationic polypeptide of the complex as compared to the cationic polypeptide alone following administration. As such, the invention also relates to the use of the ionic complex and pharmaceutical composition comprising same to treat a subject suffering from a disease or disorder that is responsive to the cationic polypeptide of the ionic complex.

The application relates to the field of membrane separation technology and discloses a composite nanofiltration membrane and a preparation method and application thereof. The composite nanofiltration membrane comprises a reinforcing layer and a support layer, an intermediate layer and a separation layer which are sequentially attached to the surface of the reinforcing layer; the support layer is a polymer layer containing nanometer manganese dioxide; the intermediate layer is a tannic acid-iron ion complex layer; and the separation layer is a polyamide layer. The support layer of the composite nanofiltration membrane is a polymer layer containing nanometer manganese dioxide, the nanometer manganese dioxide is uniformly dispersed in the polymer layer, interacts with tannic acid in the intermediate layer, can provide a channel for solvent transmission with the gap between the polymer matrix, reduces the resistance of solvent passing, and improves the flux. Meanwhile, the intermediate layer and the separation layer interact, so that the thickness of the separation layer is relatively thin, and the flux of the composite nanofiltration membrane is further improved.

The present application relates to the technical field of carbon dioxide recovery, and particularly relates to an amino-functional ion complex anhydrous absorbent for absorbing carbon dioxide and a preparation method thereof, which solves the problems of low carbon dioxide absorption rate, high desorption energy consumption and corrosion to equipment of the existing ammonia water solution method and alcohol amine solution method, and provides an ionic liquid, i.e. carbamate monohydroxyethane-dimethyl sulfoxide ([DETAH][HCOO]-MEA-DMSO) ionic solution, a manufacturing method of the ionic liquid, which comprises the steps of preparing diethylenetriaminocarbamate [DETAH][HCOO], preparing diethylenetriaminocarbamate-ethanolamine [DETAH][HCOO]-MEA solution and preparing amino-functional ion complex anhydrous absorbent [DETAH][HCOO]-MEA-DMSO, the amino-functional ion complex anhydrous absorbent prepared by the method has the advantages of high absorption rate, large absorption amount, regeneration, low desorption energy consumption, corrosion resistance to metal and the like. Meanwhile, the process is simple, easy to realize, can effectively control the corrosion to the equipment, save the cost, and can recycle and utilize the carbon dioxide as a resource.

The invention provides an investment casting surface layer adhesive formula, and relates to the technical field of investment casting materials. The investment casting surface layer adhesive formula comprises the following raw materials in parts by weight: 10% of an anionic surfactant, 15% of a cationic surfactant, 16% of a nonionic auxiliary agent, 10% of a wetting agent, 18% of a defoaming agent, 8% of a chemical inorganic material, 18% of a laminating agent and 5% of an anti-aging agent. The core innovation lies in that an anion-cation-nonionic composite surfactant system and an inorganic-organic material are cooperatively designed, a multifunctional additive combination is matched, and the comprehensive performance of the surface layer adhesive is remarkably improved through the synergistic effect of all the components. Through cooperative use of the whole formula, the strength of the material layer is improved, cracking of the investment casting shell is effectively prevented, cracks, rat tail lines, skin falling, falling and bulging of a casting are effectively prevented, the fluidity, coverage and compactness of slurry are improved, burrs are effectively prevented, and the surface quality of the casting is improved.

This invention relates to a method and system for the targeted separation and recovery of target ions in a complex liquid phase. The method includes obtaining a liquid to be treated containing a target ion complex, coexisting ions, and a complexing agent; introducing the liquid to be treated into a main flow channel through the main inlet of a separation channel to form a main liquid flow passing unidirectionally along the collection interface; and introducing a decomplexing liquid into a boundary flow channel adjacent to the collection interface through a boundary inlet of the separation channel, so that the decomplexing liquid flows in the same direction as the main liquid flow along the collection interface, forming a boundary decomplexing liquid layer adjacent to the main liquid flow. By limiting the decomplexing position of the target ion complex to the boundary between the boundary decomplexing liquid layer and the main liquid flow, and by allowing the generated target ions to directly enter the collection interface, the method reduces the possibility of the target ions migrating synchronously with coexisting ions after being released as a whole in the main liquid phase, thereby relatively improving the stability of the targeted separation and recovery of target ions.

The invention relates to a synergistic multi-ionic complex providing potentiated preventive and therapeutic responses to inflammation by modulating the pathways of immunity. It is a composition comprising mineral salts, including at least one mineral salt of lithium, magnesium and potassium, characterized by the following molar ratios: lithium 1-magnesium [0.13-0.34]-potassium [1.20-2.40]. The composition according to the invention may also contain organic salts, other mineral salts, additives and / or excipients. It can be used as a drug, medical device for the prevention and / or treatment of inflammation, associated with acute or chronic pathologies involving cell degeneration.

This invention belongs to the fields of organic synthesis and pesticide application, and specifically relates to the application of an indole / indazole compound with an imine fragment, the structural formula of which is as follows: This invention tested the indole / indazole compounds with the imine fragment in vitro against *P. capsici*, *P. aphaneridermatum*, and *P. litchii*. It was found that compounds A1 and A5 exhibited excellent activity against oomycetes, particularly against *P. capsici*, with EC50 values ​​of 4.4 μg / mL and 2.6 μg / mL, respectively, similar to the positive control metalaxyl (2.3 μg / mL). It is also noteworthy that when compounds A1-A5 are prepared as Cu... 2+ When the ionic complex B1-B5 was used, its inhibitory effect on oomycetes was significantly enhanced. Complex B1 showed excellent in vivo protective and curative effects against Phytophthora capsici on pepper leaves, with control efficiencies of 91.45% and 83.75% at a concentration of 200 μg / mL, respectively, which were superior to metalaxyl (80.05% and 76.15%).

The application discloses a kind of preparation and electrochemical performance test method of solid electrolyte, comprising the following steps: step one, raw material preparation: lithium nitrate, lanthanum nitrate hexahydrate, zirconyl nitrate, iron nitrate nonahydrate, ammonium molybdate are used as raw materials, wherein lithium nitrate is 10at% excess to compensate lithium loss, and the raw materials are prepared into aqueous solution with cation concentration of 1.0M;Step two, sol preparation: 10% of dispersing agent ethylene glycol of solution volume is sequentially added to the aqueous solution of step one, and the complexing agent citric acid is equal to the mass of ethylene glycol, and the metal ion complex is formed by magnetic stirring for 1h, the system pH is adjusted to 6.5 by ammonia water, and the sol is obtained after 6h of reaction in 80 DEG C water bath and 1h of standing;The application relates to the technical field of solid electrolyte.The preparation and electrochemical performance test method of the solid electrolyte can completely inhibit the generation of tetragonal phase of LLZO by Fe and Mo element cooperative doping, stabilize single cubic phase structure, and avoid the decrease of ionic conductivity caused by phase transition.

The present disclosure provides a tetraphenylethylene derivative ion complex / Fe 3+ Complex fluorescent probe, preparation method and application thereof. A tetraphenylethylene derivative ion complex / Fe 3+ Preparation method of complex fluorescent probe, comprising: dissolving a tetraphenylethylene derivative ion complex in ethanol to obtain a stock solution I; dissolving FeCl3·6H2O in deionized water to obtain a stock solution II; mixing the stock solution I and the stock solution II, and diluting with deionized water to obtain a tetraphenylethylene derivative ion complex / Fe 3+ Complex fluorescent probe. Tetraphenylethylene derivative ion complex / Fe 3+ Application of complex fluorescent probe in detection of F ‑ ions. The tetraphenylethylene ion complex / Fe 3+ complex of the present disclosure can realize detection of F ‑ “open type” fluorescence detection.

The invention discloses a novel application of a tannic acid (TA)-copper ion (Cu < 2 + >) complex modified organic and inorganic ion co-intercalation LDH composite coating. The invention particularly relates to an application of a tannic acid-copper ion complex modified organic-inorganic ion co-intercalation LDH composite coating in preparation of products for promoting endothelial cell adhesion and proliferation and / or inhibiting vascular smooth muscle cell adhesion and spreading and inhibiting vascular smooth muscle cell abnormal proliferation, and particularly relates to an application of a tannic acid-copper ion complex modified organic-inorganic ion co-intercalation LDH composite coating in preparation of products for promoting endothelial cell adhesion and proliferation and / or inhibiting vascular smooth muscle cell abnormal proliferation. The tannic acid-copper ion complex modified organic-inorganic ion co-intercalation LDH composite coating with a synergistic regulation function is constructed, tannic acid and copper ions are introduced to the surface of the coating, continuous Cu < 2 + > slow release and nitric oxide (NO) generation promoting reaction are achieved, endothelial cell adhesion and proliferation are effectively promoted, and the growth of the endothelial cells is promoted. And adhesion, spreading and abnormal hyperplasia of vascular smooth muscle cells are remarkably inhibited, so that the risk of postoperative restenosis is expected to be reduced, and the biological function performance of the magnesium-based intravascular stent is improved.

The invention relates to a deuterated near-infrared luminous rare earth complex and a preparation method thereof. The ionic type rare earth complex is [Yb (D-biqO2) 4] OTf3, D-biqO2 is a deuterated isoquinoline ligand, OTf is a trifluoromethanesulfonate radical, and the ionic type rare earth complex is an ionic type rare earth complex. According to the nonionic complex [(D-Binol) 3YbNa3 (thf) 6], D-Binol is a deuterated binaphthol anion ligand, and thf is a tetrahydrofuran solvent molecule. The emission spectrums of the two Yb (III) complexes are located in a near-infrared region, and the two Yb (III) complexes have high photoluminescence quantum yield and can be used as photoluminescence materials.

The invention relates to the technical field of uranium extraction from seawater and wastewater, in particular to an alternating-current electrochemical system and method for extracting an anionic uranyl complex. According to the method, a high-power and high-efficiency industrial alternating-current power supply is adopted, and a programmable logic controller is integrated to generate and accurately control required asymmetric alternating-current waveforms (voltage, frequency and duty ratio), so that a uranium solution is in full contact with a functionalized electrode; in a forward bias period, uranyl anion complex ions are directionally enriched to an electrode interface; in a negative bias period, uranyl anion complex ions are subjected to in-situ electrochemical reduction into insoluble uranium oxides and are fixed. The process effectively overcomes the inherent defects that a traditional adsorption material is low in capacity, slow in dynamics and poor in selectivity, and a brand new technical scheme with wide application prospects is provided for efficient and high-selectivity extraction of uranium in seawater and wastewater.

Metal-based batteries incorporating magnets to apply Lorentz force are disclosed herein. In one example, a zinc-bromine battery includes an aqueous electrolyte containing bromine (Br2), bromine ion complexes, or bromine precursors, a plurality of zinc cations (Zn2+), and a plurality of anions of bromine; a first electrode containing zinc (Zn); a second electrode in fluid communication with the first electrode via the aqueous electrolyte; and a magnet proximate to the first electrode and / or the second electrode. The magnet has a field strength to exert sufficient Lorentz force on the plurality of zinc cations (Zn2+) such that the zinc cations (Zn2+) forming a vortex proximate to a surface of the first electrode during galvanic charging and discharging of the zinc-bromine battery.

A process for polymerizing an olefin is provided. The process comprises polymerizing ethylene and optionally one or more alpha-olefin monomers in the presence of a catalyst system. A catalyst system includes a procatalyst and a metal activator ion complex. The metal activator ion complex comprises a cation having a structure according to formula (I) and a weakly coordinating anion.

The present disclosure relates to the field of livestock farming and specifically pertains to an alkaline mineral composition, a method of preparation, and use thereof. The alkaline mineral composition includes a metal ion complex, a mineral ion complex, an alkaline soluble rare earth salt, and a composite gel as active ingredients, formulated in specific mass ratios. It can be used as a feed additive, added to drinking water, or directly fed to animals. The components of the alkaline mineral composition in the present disclosure synergistically enhance efficacy, collectively inhibiting replication and transmission of viruses including coronaviruses, circoviruses, rotaviruses, arteriviruses, and herpesviruses in livestock. It enhances the body's toxin-filtering capacity, strengthens host cell antiviral and immune capabilities, and helps the host resist the damage caused by viruses to the body, effectively improving the viral infection in livestock. It can serve as a safe and effective alternative to antiviral vaccines.

The invention discloses an LAD single-layer high-color-gamut diffusion plate and a preparation method thereof, and relates to the technical field of diffusion plate materials. According to the LAD single-layer high-color-gamut diffusion plate, a self-made absorbent, a diffusant and quantum dots are granulated with polystyrene and then mixed, the mixture is placed in a single-screw extruder to be extruded, a light absorption agent is prepared through the reaction of 1, 3-bis (diphenylphosphine) propane, copper chloride and perfluorooctanoic acid, and the ionic complex type light absorption agent has the advantages that the light absorption effect is good; the composite material can be used for high-temperature processing technologies such as direct injection and extrusion of engineering plastics such as PC (polycarbonate) and PMMA (polymethyl methacrylate), is low in skin irritation and extremely low in possibility of harm to a human body, and effectively reduces potential safety hazards caused in the processes of processing, operating or carrying and the like.