43 results about "Coordination polymer" patented technology

This invention provides a high-nickel ternary cathode material, its preparation method, and its applications. The high-nickel ternary cathode material comprises a composite core and a metal-organic coordination polymer coating layer on the surface of the composite core. The composite core includes a high-nickel ternary cathode material matrix and lanthanide metal phosphate particles dispersed in the matrix. The metal-organic coordination polymer in the coating layer is formed by the polymerization of nitrogen-containing organic ligands and their coordination with high-valence metal cations. This invention improves the bulk structural stability by pinning grain boundaries with lanthanide metal phosphates, while simultaneously providing interfacial protection using the metal-organic coordination polymer coating layer, effectively solving the problem of simultaneously achieving high cycle life and thermal stability in existing high-nickel ternary cathode materials.

The application discloses a kind of light-assisted anticorrosion coating materials and preparation method based on metal coordination structure, the light-assisted anticorrosion coating material is on the basis of traditional anticorrosion metal zinc layer continue to be coordinated with the metal coordination polymer Co (bpy) (dhbq) (bq) with photoelectric conversion capability, and form coordination complex Co (bpy) (dhbq) (bq) @Zn.Because metal coordination polymer Co (bpy) (dhbq) (bq) itself can additionally generate photo-generated electron and photo-generated current after being illuminated, provide redundant charge for Zn layer, make it be in lower potential, strengthen the function of cathodic protection.Corrosion can be inhibited through this mechanism, prolong the service life of Zn layer, provide efficient, green anticorrosion protection for the steel material that needs to be protected.In addition, metal coordination light-assisted anticorrosion technology can also inhibit marine bioattachment by slowly releasing metal ions Co, prevent biofilm formation, reduce microbial growth, prolong the service life of protected material in marine environment, also applicable to underwater bioinduced corrosion and the protection of fouling metal structure.

The application provides a flexible water-stable coordination confined material as well as a preparation method and application thereof, and belongs to the technical field of metal organic coordination polymers. The flexible water-stable coordination confined material is obtained through a coordination reaction of metal ions and oxygen-based organic ligands; wherein the metal ions are selected from any one of V 4+ , Zr 4+ , Cu 2+ , Ti 4+ , Al 3+ , Cr 3+ , Fe 3+ ; and the oxygen-based organic ligands are selected from any one of nitrogen heterocyclic phosphonic acid organic ligands, alkyl phosphonic acid organic ligands, sugar organic ligands, phenolic hydroxyl organic ligands, alcoholic hydroxyl organic ligands, nitrogen heterocyclic hydroxyl organic ligands and enolic organic ligands.

The application belongs to the field of coordination chemistry and analytical sensing technology, and particularly relates to a Zn(II)-Tb(III) complex ratio fluorescence sensor and a preparation method and application thereof. The sensor is a double-metal coordination polymer formed by coordination of Zn(II) ions, Tb(III) ions, nitrogen-containing organic ligands and carboxylic acid organic ligands. Under excitation conditions, the sensor simultaneously generates an emission signal of ligand coordination with Zn(II) and a characteristic emission signal of Tb(III) ions, forming intrinsic double emission. By monitoring the fluorescence intensity ratio (I395 / I549) of the two characteristic emission peaks at 395 nm and 549 nm, ratio fluorescence detection of propyl gallate can be realized, and the detection limit is as low as 0.35 μM. The sensor of the application has a simple synthesis method, a rapid detection process, and realizes internal calibration by using a ratio signal, has strong anti-interference ability, and is suitable for detection of propyl gallate in edible oil and other actual samples.

The application discloses a kind of high-efficiency heterogeneous catalyst for CO2 ring addition preparation cyclic carbonate and its preparation method and application, belong to catalyst technical field.The high-efficiency heterogeneous catalyst is transition metal doped polyoxometalate coordination polymer, chemical general formula is C 16 H 58 M2N2Na2O 48 V 10 Wherein, M is selected from Co 2+ , Ni 2+ , Cu 2+ Or Zn 2+ Its preparation method is: sodium vanadate, transition metal acetate and bis (2-hydroxyethyl) amino (trihydroxymethyl) methane ligand are dissolved in water with pH being 1~3, stirring reaction, after filtration, crystallization is stationary, and is obtained.In the ring addition reaction of CO2 and epoxide, the catalyst and cocatalyst tetrabutylammonium bromide synergistic effect, catalytic yield can be up to 98.2%, selectivity is more than 99%, and catalytic activity still remains at 88% after recycling five times.

This invention presents a novel and sustainable approach for engineering highperformance electronic substrates derived from goat-based textiles, traditionally referred to as Brana. By using a carefully organized sequence of eco-friendly chemical, mechanical, and nanotechnological processes, the textile becomes 8 biodegradable, flexible, and electronically functional platform. This method incorporates active nanoink materials like graphene oxide, carbon nanotubes, and conductive and coordination polymers through scalable deposition techniques such as chemical vapor deposition, electrochemical coating, and screen printing. Consequently, the resulting substrate demonstrates outstanding electrical conductivity, mechanical strength, and thermal stability, making it perfect for next-generation flexible electronics applications. These include wearable biosensors, environmental monitoring devices, flexible printed circuit boards (PCBs), and energy storage components like supercapacitors and battery electrodes. Designed with both ecological impact and industrial scalability [ባ mind, this invention bridges indigenous natural materials with state-of-the-art nanomaterials and fabrication strategies, thereby setting a new benchmark [በ the development of sustainable, multifunctional electronic platforms

This invention provides an ultramicroporous porous coordination polymer, its preparation method, and its application in the adsorption and separation of carbon dioxide, relating to the field of novel materials for gas-phase adsorption and separation. The material is named TCE-NH2ipa, with the chemical formula [Co2(bpt)2(NH2ipa)2]. n In this method, Co represents the metal center cobalt, bpt represents the organic ligand 4-(3-pyridin-4-yl-1H-1,2,4-triazol-5-yl)pyridine, and NH2ipa represents the organic ligand 3-aminoisophthalic acid. The method involves fully dissolving bpt, NH2ipa, and Co(NO3)2·6H2O, transferring the solution to a pressure-resistant sealed container, and heating it for reaction. After the reaction is complete, solvent exchange and heating activation steps are performed to finally obtain a homogeneous powdered material. The TCE-NH2ipa material of this invention exhibits good adsorption capacity for carbon dioxide, hardly adsorbs nitrogen at room temperature and pressure, and can selectively adsorb carbon dioxide in an acetylene / carbon dioxide mixture, demonstrating excellent selectivity and scalability.

This invention belongs to the field of fertilizer additive technology, specifically relating to a Cu-containing additive. Ⅱ The coordination polymers, preparation methods, and applications are described. The preparation methods include: synthesizing N,N'-bis(3-pyridinecarboxamide)-1,2-ethane using nicotinic acid and 1,2-ethylenediamine as raw materials; and synthesizing Cu-containing polymers from N,N'-bis(3-pyridinecarboxamide)-1,2-ethane, CuCl2·2H2O, and 1,4-cyclohexane using a hydrothermal method. Ⅱ The coordination polymer [Cu(1,4-chdc)(3-dpye)]·3H2O is a blue crystal. The product prepared in this invention is used as a fertilizer additive in urea to reduce the conversion of urea N to ammonium nitrogen and ammonium nitrogen to nitrate nitrogen during urea application, thereby reducing the volatilization of NH3 into the air after urea application and the subsequent volatilization of N2O.

This invention belongs to the field of high-entropy transition metal coordination polymer technology, specifically relating to a high-entropy Prussian blue material, its preparation method, and its applications. The invention involves dissolving various hydrated inorganic metal salts and sodium citrate complexing agent in water, slowly adding potassium ferricyanide solution dropwise to this solution, and then stirring for 30 min. The resulting solution is allowed to settle at room temperature for 24 h, washed three times by centrifugation with deionized water, and then washed three times by centrifugation with ethanol to obtain the high-entropy Prussian blue material Cu. 0.2 Ni 0.2 Co 0.2 Mn 0.2 Zn 0.2 (Fe(CN)6) 0.667 This invention yields a high-entropy Prussian blue electrocatalyst that is simple to synthesize, structurally stable, and uses readily available raw materials. This electrocatalyst can be applied to the electrocatalytic reduction of nitrate, laying the foundation for developing other high-entropy transition metal coordination compounds with framework structures as electrocatalysts for the electrocatalytic synthesis of value-added chemicals from nitrate.

The application discloses a luminescent coordination polymer crystal material based on a tetraphenylethylene pyridine ligand and a preparation method and application thereof, the chemical formula of the luminescent coordination polymer crystal material is [Cu(L)SCN.DMSO]n, wherein L is a 4.4'-[(2,2-diphenyl ethylene)di-4.1-phenylene]bis[pyridine] ligand, and n is an arbitrary value; wherein a Cu ion forms a two-dimensional structure with the 4.4'-[(2,2-diphenyl ethylene)di-4. n The crystal material can be used for fluorescence quenching detection of water-phase methyl orange; compared with the prior art, the crystal material is simple and reliable in application, the quenching constant of the crystal material for detecting water-phase methyl orange is as high as 1.9*10 6 M ‑1 , and the detection limit is as low as 0.019 mu M, so the crystal material is a luminescent coordination polymer crystal material for extremely sensitive detection of methyl orange at present and has a wide application prospect.

This invention discloses a method for constructing carrier-free NADH nanoparticles to restore the function of aging hepatocytes, the product, and its applications, belonging to the pharmaceutical field. The method includes preparing carrier-free nano-coordination polymer NADH-Gd using a reverse microemulsion method, followed by a two-step lipid modification process: first, DOPA modification, then DPPC, cholesterol, and DSPE-PEG. 5k NADH-PEG was synthesized by modification, with DSPE-PEG added during the modification process. 5k NADH-Gal is ultimately synthesized from NADH-Gal. NADH-Gal exhibits excellent hepatocyte targeting and can replenish NAD+ in senescent hepatocytes in the MASH environment. + The content is increased by adjusting... Aldh18a1 The expression of [a specific substance] regulates proline metabolism. Improved proline metabolism can restore mitochondrial function by promoting mitophagy and mitochondrial biosynthesis, thereby alleviating hepatocyte aging. Simultaneously, it reduces monocyte recruitment and hepatic stellate cells (HSCs), ultimately providing an effective treatment for MASH. This invention provides a novel strategy for the treatment of MASH.

This present disclosure is directed to Ligating monomers and polymers prepared therefrom are described. Filter elements including the ligating polymers are further described as are the uses thereof for separation of adeno-associated viruses containing a DNA payload ("full AAV") from adeno-associated viruses without a DNA payload ("empty AAV").

The present application relates to a kind of zinc-based coordination polymer and film preparation method and application fluorescent detection of sparteine.Polymer is three-dimensional zinc metal organic framework material, the frame is connected by binuclear zinc and organic ligand to have one-dimensional pore, chemical formula is {NH2(CH3)2·[Zn (TDA)]·DMF·3C2H5OH} n};With fluorescence emission peak at 400nm.It is prepared by hydrothermal reaction by zinc iodide and 4,4'‑(1H‑1,2,4‑triazole‑3,5‑diyl) dibenzoic acid in DMF and ethanol mixed solvent, add acetic acid as regulator.The zinc-based coordination polymer and film prepared by the present application have specific fluorescence recognition function, can quickly and conveniently detect sparteine in water and other solutions, the detection limit is as low as 5.26×10 ‑6 M, high sensitivity and can be recycled.And preparation process is simple, application portable, not dependent on expensive equipment.

This invention belongs to the field of lithium metal battery technology, specifically relating to an isocyanate-containing in-situ gel electrolyte, its preparation method, and its application. The in-situ gel electrolyte uses methacrylate compounds containing coordinating functional groups as monomers and lithium salts containing carbonate solvents as electrolytes. After mixing, the mixture undergoes in-situ polymerization under the action of a crosslinking agent to form a composite gel system. The methacrylate compounds contain isocyanate groups, or the methacrylate compounds undergo crosslinking polymerization to form isocyanate-derived structures. This invention uses methacrylate compounds to undergo in-situ polymerization to form strongly coordinated polymers, which serve as a continuous backbone to selectively anchor Li at the molecular scale with strong coordination sites. + Carbonate-based solvents reduce the binding of anions and strong solvents at the solvation level, thereby forming a synergistic effect of "strong coordination framework + weak coordination solvent", resulting in a gel electrolyte with high lithium-ion mobility, stable interface and high voltage adaptability.

The invention provides a cobalt coordination polymer composite fibrous pseudo-boehmite material and a method and system for separating metal elements from base oil. The cobalt coordination polymer composite fibrous pseudo-boehmite material is prepared by the following steps: mixing a cobalt coordination polymer, fibrous pseudo-boehmite and ammonium bicarbonate, and performing hydrothermal reaction to obtain the cobalt coordination polymer composite fibrous pseudo-boehmite material, the molecular formula of the cobalt coordination polymer is {[Co3 (mu3-dppa) 2 (4, 4 '-bipy) 2 (H2O) 4]. 7H2O} n, dppa is a biphenyl-3-carboxylic acid ligand, 4, 4'-bipy is 4, 4 '-bipyridine, and n is a non-zero natural number. The method for separating the metal elements in the base oil by adopting the composite material can effectively remove the metal elements in the base oil.

This invention discloses a Pb(II) coordination polymer catalytic electrode, its preparation method, and its application, belonging to the field of flow battery electrode materials and electrochemical energy storage technology. The catalytic electrode uses an acid-washed carbon felt electrode as a substrate, and nanoscale Pb-based polymers are grown in situ on the surface of the carbon felt substrate via ultrasonic chemical deposition. 2+ A polymer catalyst layer formed by coordination polymerization with nitrogen-containing organic ligands. The preparation method involves acid washing pretreatment of the original carbon felt electrode, mixing lead source solution and iodine source solution under ultrasonic conditions to obtain a lead-containing intermediate reaction system, then placing the acid-washed carbon felt electrode in the lead-containing intermediate reaction system, adding a nitrogen-containing organic ligand solution, and then in-situ polymerizing the Pb(II) metal-organic coordination polymer on the carbon felt fiber surface under ultrasonic conditions. This catalyst electrode can improve the effective active area and mass transfer accessibility of the electrode, maintain good structural stability under acidic conditions, and enhance the coulombic efficiency and long-term cycling stability of iron-chromium redox flow batteries.

This application discloses a composite material and its preparation method, a thin film, an optoelectronic device, and a display device. The composite material comprises N-type inorganic particles and a microporous coordination polymer. The composite material described in this application exhibits high electromobility.

The application discloses a kind of water-based bending color-changing ink and its preparation method and application, belong to printing ink technical field;The ink includes the following weight parts of component: color-changing core pigment 25~30 parts, flexible film-forming resin 37~40 parts, water-based solvent 22~27 parts, dispersing agent 1~3 parts, leveling agent 0.5~1 part, plasticizer 2~5 parts, defoaming agent 0.1~0.5 parts;The color-changing core pigment is the composite system of liquid crystal elastomer nanometer microsphere and metal coordination polymer, and particle size is controlled at 300-750nm.The present application is optimized by formula system, utilizes the reversible adjustment characteristics of liquid crystal elastomer molecular conformation, and is combined with the synergistic effect of specific adjuvant, solves the problem that existing color-changing ink color-changing sensitivity is low, weather resistance is poor, and single process is adapted.

This invention provides a multidentate organic ligand with visible-near-infrared absorption, its preparation method, and its applications, belonging to the field of functional molecular materials technology. The multidentate organic ligand provided by this invention is a D-A-D type multidentate organic ligand containing a "triphenylamine-phenanthroline" structure. The coordination polymer formed by this multidentate organic ligand and metal ions exhibits good absorption intensity changes in both the visible and near-infrared regions. By introducing a triphenylamine structure, this invention constructs an electrochromic material with multiple redox centers, enhancing the electrochromic properties and stability of the material.

The application relates to the technical field of battery thermal safety, in particular to a hydrated salt composite phase change material and a preparation method and application thereof. The application provides a hydrated salt composite phase change material, and preparation raw materials include a hydrated salt phase change matrix, a thickening agent, a coordination polymer skeleton and expanded graphite; the coordination polymer skeleton is prepared by carrying out a coordination reaction on a soluble magnesium salt and polyethylene glycol. The hydrated salt composite phase change material can effectively solve the problems of inherent supercooling, phase separation, leakage and low thermal conductivity of inorganic hydrated salt materials.

The application belongs to the field of high polymer materials and functional materials, and particularly relates to a composite ion exchange membrane, a preparation method and application thereof. The composite ion exchange membrane disclosed by the embodiment of the application comprises 90-99.99% of ion exchange resin and 0.01-10% of cerium-based coordination polymer, in terms of mass percentage. The organic ligand in the cerium-based coordination polymer in the composite ion exchange membrane has better compatibility when it is blended with the ion exchange membrane, so that the composite ion exchange membrane has better chemical stability.

This invention provides a method for preparing a high-quantum-yield one-dimensional thorium-based metal coordination polymer and its application in X-ray imaging, belonging to the field of organometallic polymer materials technology. Using thorium nitrate hexahydrate and 4-(1,2,2-triphenylvinyl)benzoic acid as raw materials, a one-dimensional chain-like thorium-based coordination polymer was prepared by hydrothermal reaction at 100°C for 5 days in a mixed solvent of DMF, water, and formic acid. The polymer exhibited a quantum yield of 86.52% and excellent radiation stability. This polymer was then composited with PDMS to form a flexible scintillator film, achieving a spatial resolution of 20 LP / mm for X-ray imaging. This invention features mild synthesis conditions, simple operation, and a product with high luminous efficiency and good flexibility, showing promising application prospects in the field of high-resolution flexible X-ray imaging.

The application discloses a baking-free ceramic grain containing red mud and a preparation method thereof, and belongs to the technical field of solid waste resource utilization. 3+ Fe-phytic acid is coordinated to form Fe-phytic acid coordination polymer and is loaded on the surface of metakaolin to obtain Fe-phytic acid@metakaolin compound, which is mixed with red mud, slag, phosphogypsum, cement, nano silicon dioxide and acidified carbon nanotubes, and is subjected to mechanical chemical activation, granulation and two-stage curing to obtain the baking-free ceramic grain. The baking-free ceramic grain prepared by the application has no white crystal in the efflorescence experiment, the cylinder compressive strength is higher than 6.0 MPa, and is suitable for sensitive environments such as water filter material and garden substrate.

The application belongs to the technical field of nanometer material preparation, and discloses a preparation method of two-dimensional rare earth oxychloride nanometer material, which comprises the following steps: preparing a ligand mixed solution A by using an organic small molecule containing a carboxylate, pentanediamine and an organic solvent; preparing a metal precursor solution B by using a rare earth metal source and an organic solvent; adding the metal precursor solution B into the ligand mixed solution A, stirring and reacting at normal temperature, standing, centrifuging, washing, drying, and obtaining a precursor powder; uniformly grinding the precursor powder with a chlorine source, annealing at high temperature under a protective atmosphere, cooling to room temperature, obtaining a powder sample, centrifuging, washing, drying, and obtaining the two-dimensional rare earth oxychloride nanometer material. The two-component coordination system is used to assemble the two-dimensional coordination polymer with the rare earth ions at normal temperature, the chlorine source is introduced through the grinding mode, the two-dimensional rare earth oxychloride nanometer material is obtained after high-temperature annealing, and the two-dimensional rare earth oxychloride nanometer material has wide application prospects in the fields of catalysis, photoelectricity and dielectric materials.

This invention discloses an anti-corrosion coating material based on a metal coordination structure, its preparation method, and its application. The anti-corrosion coating material is based on a traditional zinc anti-corrosion system, incorporating a metal coordination polymer containing a dihydroxy-p-benzoquinone (DHBQ) ligand. This polymer self-assembles to form a stable coordination complex Co(dhbq)₃@Zn. Due to the highly ordered and dense structural characteristics of the metal coordination polymer Co(dhbq)₃ and the dynamic response properties of its reversible coordination bonds, it can effectively construct a dense barrier layer to prevent the penetration of corrosive media. Furthermore, its dynamically reversible metal coordination bonds can spontaneously reconstruct under environmental stimuli after the coating is damaged, thereby achieving in-situ self-repair of the metal surface. This anti-corrosion coating material not only significantly inhibits corrosion propagation but also effectively extends the service life of the zinc coating, improving the long-term protective performance of the entire coating system and providing a durable, efficient, and environmentally friendly anti-corrosion solution for the protected metal materials.

The present application relates to a bimetallic covalent organic framework material and a preparation method and application thereof, and belongs to the technical field of coordination polymer materials. The technical problem solved by the present application is to provide a bimetallic covalent organic framework material M1TPP-M2QL-COF. The structural formula of the material is shown in the formula. The bimetallic covalent organic framework material obtained by the present application has an ultra-long lifetime exciton of 36000 picoseconds; it can be used as a photocatalytic catalyst and exhibits excellent photocatalytic defluorination and debromination performance on o-dibromide, has a significant conversion efficiency and separation yield in a wide range of substrates, the highest conversion efficiency is 99%, and the catalyst has recyclability. The preparation method of the bimetallic covalent organic framework material of the present application not only realizes a metal occupancy rate of nearly 100% at a predetermined position, but also allows independent coordination of a bimetallic center without structural interference. The process is simple, raw materials are easy to obtain, and large-scale industrial production is possible.

The application discloses a kind of probe compositions, including magnetic nano probe and noble metal nano probe, the magnetic nano probe includes magnetic bead and biological ligand, antibacterial peptide is formed by covalent combination, the noble metal nano probe includes the coordination polymer formed by divalent transition metal ion and cyanide ion, polymer containing amino group and / or carboxyl, nucleic acid aptamer bond is formed, the cyanide ion is modified on the surface of noble metal nanoparticle;Through magnetic nano probe, a variety of foodborne pathogenic bacteria are recognized, and are enriched, combined with different types of nucleic acid aptamer modification and the gold nano probe of Pb 2+ , Ni 2+ Metal ion and CN ‑ Formed coordination polymer, the detection of foodborne pathogenic bacteria is realized in magnetic control online surface enhanced raman device.

The application discloses a method for removing organic pollutants in water bodies by activating persulfate, and comprises the following steps: adding a metal precursor into a solvent to obtain a metal precursor solution; adding an organic ligand into the solvent to obtain a ligand solution; adding the ligand solution into the metal precursor solution and adding an additive to react, and after the reaction is completed, post-treatment is performed to obtain a conductive coordination polymer containing metal-nitrogen active sites; and the conductive coordination polymer and the persulfate are put into the water body containing the organic pollutants to complete degradation of the organic pollutants. The conductive coordination polymer containing the metal-nitrogen active sites is used as a catalyst, high-density and active center coordination configuration adjustable metal-nitrogen active sites are used to efficiently activate the persulfate, and the purpose of quickly removing the organic pollutants in the water bodies is achieved.