34 results about "Porous Coordination Polymers" patented technology

The invention discloses a light-induced self-cleaning high-flux high-adhesion oil-water separation membrane and a preparation method thereof, the method comprises the following steps: S1, preparing a metal-polyphenol porous coordination polymer suspension, and drying to obtain a metal-polyphenol porous coordination polymer solid; s2, divalent metal nitrate polyhydrate, trivalent metal nitrate polyhydrate and PCP are mixed in water, alkali liquor is dropwise added to adjust the pH to be neutral, LDHs grow on the surface of a PCP solid in situ, and LDHs-PCP is obtained; s3, performing plasma treatment on the substrate filter membrane; and S4, dispersing LDHs-PCP in water, and carrying out suction filtration on the dispersion liquid onto the plasma modified substrate filter membrane to obtain the light-induced self-cleaning high-flux high-adhesion oil-water separation membrane. The oil-water separation membrane disclosed by the invention has high flux, super-hydrophilicity and underwater super-oleophobicity; the oil-water separator has high mechanical strength and illumination self-cleaning capability, and can stably operate for a long time in a high-strength oil-water separation process.

A method for producing a composite material containing a porous body having pores inside the porous body and a porous coordination polymer compound, in which the porous body has a network structure of Si—O bonds obtained by copolymerizing a dialkoxysilane and a trialkoxysilane, and the porous coordination polymer compound is carried in the pores of the porous body via a solvent.

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.

The invention discloses a phosphorus-containing solid-state-like electrolyte and a preparation method thereof, and relates to the technical field of solid-state electrolytes and lithium metal batteries. The solid-like electrolyte is composed of a phosphorus-containing modified porous coordination polymer, a liquid electrolyte and a binder. And processing the porous coordination polymer into an electrolyte membrane by adopting a powder dry membrane method, and then infiltrating and adsorbing through a liquid electrolyte to obtain a finished product electrolyte. The phosphorus-containing porous coordination polymer disclosed by the invention is beneficial to improving the transmission efficiency of lithium ions in an electrolyte, and a solid electrolyte interface layer rich in phosphorus can be constructed on the surface of a lithium metal negative electrode, so that interface charge transfer is promoted, the reaction kinetic performance is enhanced, uniform deposition of the lithium ions is effectively induced, and growth of lithium dendrites is inhibited; and the safety and the cycling stability of the lithium metal battery are integrally improved.

The application belongs to the technical field of batteries, and particularly relates to a functional diaphragm and a preparation method and application thereof. The functional diaphragm comprises a polymer base diaphragm and a porous coordination polymer functional coating, wherein the weight per unit area of the porous coordination polymer functional coating is 0.2-1 mg·cm ‑2 -2, the thickness of the porous coordination polymer functional coating is 20-60 mu m. The liquid retention per unit area of the modified diaphragm is 20-45 mg·cm ‑2 -2. The functional diaphragm provided by the application can effectively improve the cycle stability, cycle life and rate charge-discharge performance of the battery.

The present application relates to a kind of porous coordination polymers with interpenetrating framework, preparation method and application in ethane / ethylene high temperature separation, belong to coordination chemistry material technical field.Porous coordination polymers are Cu-based coordination polymers, its chemical formula is [Cu2 (BDC) 2L2] n (solvent) x , belong to C2 / c space group, L2 is 4,6-di (1H-1,2,4-triazole-1-yl) pyrimidine-2-amine, NH2 Group is again with adjacent framework forms single hydrogen bond;It is obtained by adding regulating ligand during solvothermal reaction of ligand and metal salt.The present application proposes a new method to regulate temperature-dependent dynamic characteristics in hydrogen-bonded interpenetrating framework, with the weakening of hydrogen bond, porous coordination polymers with one-dimensional narrow-neck channel exhibit promising structural response to ethane / ethylene at high temperature, so that it shows significant ability to directly obtain polymerization grade ethylene.

The invention belongs to the technical field of crystal materials, and particularly relates to an iron-based porous coordination polymer as well as a preparation method and application thereof. One repeating unit in the crystal structure of the iron-based porous coordination polymer is composed of Fe3O4 (DMTD) 3 (TPP), and ligands are 3, 4-dimethyl (2, 3-B) thiophene-2, 5-dicarboxylic acid and 2, 4, 6-tri-(4-pyridyl) pyridine; the iron-based porous coordination polymer has high crystallinity, high purity and a three-dimensional frame structure. The iron-based porous coordination polymer can realize separation of acetylene and ethylene mixed gas and ethane and ethylene mixed gas; the catalyst can be used for electrocatalytic oxygen evolution reaction, and OER crossing point location is 260 mV.

The invention discloses a polishing pad and a preparation method and application thereof, and relates to the technical field of polishing. The polishing pad comprises a substrate layer and a polishing layer which are sequentially arranged from bottom to top, the polishing layer comprises a first polishing layer adjacent to the substrate layer and a second polishing layer stacked on the first polishing layer, and materials of the first polishing layer comprise a polyurethane prepolymer, a curing agent and composite nanospheres. The composite nanosphere is formed by covalent bonding of a porous coordination polymer and a polyfunctional group hybrid molecule; the second polishing layer is made of a polyurethane prepolymer, a curing agent and a composite phase-change material, the composite phase-change material comprises a core and a shell layer wrapping the core, the core is made of a phase-change material, the shell layer is made of inorganic nonmetal, chemical bonding between two areas is achieved through a layered structure, the risk of interface stripping is avoided, and the performance of the composite phase-change material is improved. And the stability requirement of the high-reliability polishing pad is met.

The invention relates to a method for repairing lattice defects in a porous coordination polymer and application of the method in ethylene / ethane separation, and belongs to the technical field of coordination chemical materials. According to the invention, a porous crystal with connector defects is successfully repaired through a directional repair strategy, so that a complete frame structure is obtained. Lattice linker defects caused by steric hindrance of an adjacent carboxylic acid group of isonicotinic acid INA in NTU-70D are successfully repaired by installing additional INA along a specific direction under the assistance of formic acid. In-situ infrared analysis shows that the repaired NTU-70P has more contactable OINA sites in a regular and smooth nano channel, so that the C2H6 adsorption capacity and the C2H6 / C2H4 selectivity of the repaired NTU-70P are remarkably improved, and meanwhile, the repaired NTU-70P shows the capability of efficiently producing high-purity C2H4 (as high as 46.4 mLg <-1 >) from a mixture containing C2H6.

The invention discloses a method for synthesizing a nano enzyme with peroxidase-like activity by taking ferrocene dicarboxylic acid as a ligand structure unit. The metal organic framework material is a porous coordination high-molecular polymer crystal formed by coordination of metal ions and organic ligands. The metal organic framework material is rich in active sites, large in specific surface area, adjustable in structure, large in porosity and remarkable in catalytic performance. On the other hand, ferrocenedicarboxylic acid is used as a ligand structure unit to synthesize the metal organic framework material, and the ferrocene structure unit has a promotion effect on the catalytic activity of the synthesized metal organic framework material as a nano enzyme with peroxidase-like activity. The invention discloses a plurality of metal organic framework materials synthesized by taking ferrocene dicarboxylic acid as a ligand structure unit, and the metal organic framework materials all have peroxidase-like activity. The method has the advantages of simple operation, simple procedure and the like.

The invention discloses a method for synthesizing nano-enzyme with ascorbic acid oxidase and catalase double-enzyme activity based on an iron-doped zinc-based metal organic framework material. The zinc-based metal organic framework material is a porous coordination high-molecular polymer crystal formed by coordination of zinc ions and organic ligands. The metal organic framework material is rich in active sites, large in specific surface area, adjustable in structure, large in porosity and remarkable in catalytic performance. Furthermore, the metal organic framework material is used as a precursor and is calcined and pyrolyzed in inert gas such as argon or nitrogen or air to synthesize a novel porous material, and the novel porous material has relatively large specific surface area, good thermal stability and chemical stability and unique catalytic performance. The invention discloses a method for synthesizing a unique nano-enzyme with ascorbic acid oxidase and catalase double-enzyme activity by using an iron-doped zinc-based metal organic framework material as a precursor and calcining the iron-doped zinc-based metal organic framework material in an inert gas atmosphere at a high temperature, and the method has the advantages of simplicity in operation, simple procedure and the like.

The invention relates to a porous coordination polymer with an interpenetrating framework, a preparation method and application of the porous coordination polymer in separation of ethane / ethylene at high temperature, and belongs to the technical field of coordination chemical materials. The porous coordination polymer is a Cu-based coordination polymer, the chemical formula of the porous coordination polymer is [Cu2 (BDC) 2L2] n (solvent) x, the porous coordination polymer belongs to a C2 / c space group, L2 is 4, 6-di (1H-1, 2, 4-triazole-1-yl) pyrimidine-2-amine, and an NH2 group and an adjacent framework form a single hydrogen bond; in the solvothermal reaction process of a ligand and a metal salt, a regulation ligand is added to obtain the metal complex. The invention provides a novel method for regulating and controlling the temperature-dependent dynamic characteristics in an interpenetrating framework connected by hydrogen bonds, and along with the weakening of the hydrogen bonds, the porous coordination polymer with the one-dimensional narrow-neck channel shows a promising structural response to ethane / ethylene at high temperature, so that the porous coordination polymer shows a remarkable capability of directly obtaining polymer-grade ethylene.

The invention relates to the technical field of medicines, in particular to a nano system loaded with anti-tumor drugs, namely Enberic acid and Oxaliplatin, and a preparation method of the nano system. The nano-system is prepared by the following steps: in-situ packaging or synthesizing the empiratic acid and the oxaliplatin, modifying and loading the empiratic acid and the oxaliplatin into a highly ordered crystal porous coordination polymer; the preparation method comprises the following steps: rapidly adding an aqueous solution containing Zn (NO3) 2.6 H2O and oxaliplatin into a methanol solution containing 2-methylimidazole and enroic acid, and carrying out stirring, centrifugation, pure water washing and other treatments to obtain a uniform and stable nano dispersion liquid; then F127 is used for surface modification, and the nanometer system is obtained through stirring, centrifuging, pure water washing, vacuum drying and other operations. The nano system is used for targeting and combined with anti-tumor drug treatment, and the application range and the curative effect of a nano drug delivery therapy in clinical tumor treatment are greatly improved.

The invention discloses a porous coordination polymer as well as a preparation method and application thereof. The porous coordination polymer takes metal gallium as a central ion and a structure containing a nitro functional group as a ligand; the molecular formula of the porous coordination polymer is [C12H4N2O8Ga2] n, wherein n ranges from 150 to 350. The porous coordination polymer provided by the invention has the advantages of high thermal stability, high crystal purity, large specific surface area, excellent catalytic performance and the like.

A substrate processing apparatus includes a processing chamber configured to process a substrate, and a filtration part containing a porous coordination polymer and provided in an exhaust path configured to exhaust a gas from the processing chamber.

The invention discloses a zinc-based porous coordination polymer for ethylenediamine fluorescence detection as well as a preparation method and application of the zinc-based porous coordination polymer. The chemical formula of the polymer is [Zn2 (2, 6-ndc) 2 (pvq)]. 4.5 DMF. 0.5 H2O, 2, 6-ndc < 2-> is a 2, 6-naphthalene dicarboxylic acid anion, pvq is a 5-(2-(pyridine-4-yl) vinyl) quinoline organic ligand, and the polymer belongs to a triclinic system and a P-1 space group. The polymer structure contains binuclear [Zn2 (COO) 4] paddle-wheel-shaped secondary building units, a square lattice network is formed through bridging of 2, 6-ndc2-ligand, a three-dimensional framework with pcu topology is formed through pvq ligand pillared, the three-dimensional framework is of a double interpenetrating structure, three-dimensional pore channels are formed, and the porosity is 50.2%. The preparation method comprises the following steps: mixing the raw materials, and carrying out solvothermal reaction at 90-120 DEG C for 12-24 hours to obtain the light yellow transparent square crystal. The polymer can be used for fluorescence sensing detection of ethylenediamine, specific recognition is realized through a fluorescence quenching effect, the response time is less than 15 seconds, and the detection limit is a micromole level.

The invention relates to a nitrate modified flexible porous coordination polymer, a preparation method and a propylene-propane separation method, and belongs to the technical field of coordination polymers used in the separation process. According to the invention, a flexible porous crystal is designed, and an electronegative nitrate acceptor is introduced into a dynamic skeleton. The material shows unprecedented reverse selectivity, the absorption amount of C3H8 is twice that of C3H6, and crystallography, theory and in-situ researches show that only C3H8 triggers pore expansion and secondary adsorption through nitrate-mediated recognition. Comparative studies with hydroxyl and methyl functionalized analogs prove an important role in receptor electronegativity. The polymer grade C3H6 can be directly produced through a one-step method, and the method has the advantages of breakthrough selectivity, excellent structural adaptability and large-scale synthesis.

To provide a gas supply system for a flight vehicle that can control concentrations of oxygen in a flight vehicle.SOLUTION: A gas supply system 10 for a flight vehicle is provided with: an adsorbent 14, arranged in an airplane 12, which adsorbs moisture included in air and is configured to include a porous coordination polymer having photocatalytic action that is irradiated with light to decompose water and generate oxygen; an oxygen concentration sensor 16, arranged in the airplane 12, which can measure concentrations of oxygen in the airplane 12; and a lighting device 18, arranged in the airplane 12, which can emit light to the adsorbent 14 and adjust amounts of light.SELECTED DRAWING: Figure 1

The invention discloses an ASIV-MOFs nano-enzyme drug for direct current of eyes. The ASIV-MOFs nano-enzyme is a porous coordination polymer CeO2-MOFs nano-enzyme modified ASIV, wherein the porous coordination polymer CeO2-MOFs nano-enzyme modified ASIV is formed by regularly connecting cerium metal cluster nodes and organic ligands. The invention further discloses a preparation method and application of the ASIV-MOFs nano-enzyme medicine for eye direct current. The problem that the bioavailability of ASIV in eyes is low is solved.

The purpose of the present invention is to provide: a nickel-supporting composite material in which a nickel-based compound is supported on a porous coordination polymer, and which can be used as a methanation reaction catalyst using a porous coordination polymer which has a uniform spatial structure of pores and can selectively adsorb a large amount of gas; and a method for producing same. The present invention is a nickel-supporting composite material in which a nickel-based compound is supported on a porous coordination polymer, and is characterized in that a nickel-based compound is supported on a porous coordination polymer comprising a metal ion and an organic ligand having an imidazole skeleton.

The invention relates to a porous coordination polymer, a preparation method thereof and application of the porous coordination polymer in C3H6 / C3H8 mixed gas separation, and belongs to the field of novel materials for industrial gas separation. The structural formula of the porous coordination polymer is [Zn (M) (N)] n, M is a first organic ligand containing a plurality of carboxyl groups, and N is a second organic ligand containing a plurality of nitrogen; wherein the metal zinc center in the porous coordination polymer is tetra-coordinated, and the metal zinc center is coordinated with two oxygen atoms on the carboxyl group of the first organic ligand and coordinated with two nitrogen atoms in the second organic ligand. The porous coordination polymer has unique one-dimensional corrugated pore channels, and shows high adsorption capacity and adsorption selectivity to propylene; the synthesis is simple; the structure is stable; the recycling is easy; the method for obtaining the high-purity propylene from the propylene / propane mixture through adsorption separation has important application prospects in the aspects of energy safety, high energy consumption and low efficiency of traditional industrial gas separation and the like.

The invention relates to a trapping system (12) for one or more compounds present in an initial gaseous mixture, said initial gaseous mixture comprising at least water and carbon dioxide, said system comprising a first cartridge (38) at least partially filled with a porous coordination polymer enabling the trapping of water present in said initial gaseous mixture passing through said first cartridge, the porous coordination polymer having an affinity ratio between water and carbon dioxide of at least 95 / 5.

The invention belongs to the technical field of batteries, and particularly relates to a functional diaphragm as well as a preparation method and application thereof. The functional diaphragm comprises a polymer base membrane and a porous coordination polymer functional coating, wherein the weight per unit area of the porous coordination polymer functional coating is 0.2-1 mg.cm <-2 >; and the thickness of the porous coordination polymer functional coating is 20-60 [mu] m. And the liquid retention capacity of the modified diaphragm in unit area is 20-45mg. Cm <-2 >. When the functional diaphragm provided by the invention is used in the battery, the cycle stability, cycle life and rate charge-discharge performance of the battery can be effectively improved.

To reduce a gas generated by heating and melting a resin in molding processing such as injection molding.SOLUTION: By adding a porous coordination polymer, whose metal ion radius is set based on the acid dissociation constant of the gas, into a base material, a molding composition and a molded body thereof in which gas generation is suppressed can be obtained. Consequently, quality defects such as surface roughening and void formation in the molded product can be reduced, and maintenance associated with mold contamination can be minimized, thereby enabling the production of high-quality, low-cost products.SELECTED DRAWING: Figure 2

The application discloses a method for synthesizing nano-enzymes and mimic enzymes with organic phosphorus hydrolytic enzyme activity based on cobalt metal organic framework materials. The metal organic framework material is a porous coordination polymer crystal formed by coordination of metal ions and organic ligands. The metal organic framework material is rich in active sites, large in specific surface area, controllable in structure, large in porosity, and has significant catalytic performance. On the other hand, the metal organic framework material is used as a precursor to synthesize a new porous material by calcination pyrolysis in an inert gas such as argon or nitrogen, or air, and has a large specific surface area, good thermal stability and chemical stability, and unique catalytic performance. The application discloses a method for synthesizing unique nano-enzymes and mimic enzymes with organic phosphorus hydrolytic enzyme activity by calcining cobalt metal organic framework materials at high temperature. The method has the advantages of simple operation and simple procedure.

[Problem] To enable production of SIFSIX-3-Cu or an analog thereof with high stability and reproducibility. [Solution] The present disclosure relates to a method for producing a three-dimensional porous coordination polymer represented by the chemical formula: [M(μ-SiF6)(μ-pyr*)2]. A first method according to the present disclosure comprises: preparing a first two-dimensional coordination polymer represented by the chemical formula [M(μ-SiF6)(μ-pyr*)(pyr*)2]; and mixing the first two-dimensional coordination polymer and a solvent containing an alcohol. A second method according to the present disclosure comprises: preparing a second two-dimensional coordination polymer represented by the chemical formula [M(μ-SiF6)(μ-pyr*)(H2O)2]; and reacting the second two-dimensional coordination polymer with pyr*. Here, M is one or more divalent metal atoms capable of forming an octahedral hexacoordinate (OC-6) structure, and pyr* is pyrazine, a derivative thereof, or a mixture thereof.

In the present invention, a porous coordination polymer in which metal ions are coordinated with organic ligands is brought into contact with an ammonia-containing liquid or ammonia-containing gas, the porous coordination polymer adsorbs ammonia, and then the ammonia-adsorbed porous coordination polymer releases ammonia, and the ammonia is recovered. The porous coordination polymer that is brought into contact with the ammonia-containing liquid preferably has a water-soluble organic solvent attached thereto. The ammonia-containing gas is preferably adjusted so as to contain 106 mass parts or more of water per 100 mass parts of ammonia.

The invention relates to the technical field of polymer structure model construction methods and mathematical models, in particular to a porous coordination polymer structure model construction method and device, and the method comprises the steps: constructing an empowerment undirected connected graph based on read information of atoms and chemical bonds in organic ligands; calculating the diameter length of the graph and obtaining the diameter of the graph; calculating the centrality of each atom on the diameter, and taking the atom with the maximum centrality as a crosslinking growth starting point of the organic ligand; removing all edges which do not belong to the diameter in the graph, and starting to construct a cross-linking sub-graph of the organic ligand on the diameter from a cross-linking growth starting point; atoms at two ends of the diameter are respectively connected with a metal node, and the metal nodes and the cross-linked sub-graph of the organic ligand jointly form a structure model of a porous coordination polymer repetitive unit. The technical problem that the crystallinity and the film-forming property cannot be considered in the construction of the porous coordination polymer structure model is solved.

The present invention discloses a host-guest composite material based on a metal organic framework material and a N4Py high-valent mononuclear iron complex, as well as a preparation method and application, and relates to the technical field of porous coordination polymer materials. It is used to solve the technical problem that the existing biomimetic non-heme high-valent iron complex is very easy to dimerize to form an oxygen-bridged binuclear trivalent iron complex during a homogeneous reaction, thereby causing it to lose its catalytic activity. The preparation method of the host-guest composite material comprises: obtaining UiO-66-F4 powder and an acetonitrile solution containing a divalent mononuclear iron complex; adding UiO-66-F4 powder to the acetonitrile solution, and stirring until the divalent mononuclear iron complex enters the interior of the UiO-66-F4 structure to obtain FeN4Py@UiO-66-F4; placing FeN4Py@UiO-66-F4 in an acetonitrile aqueous solution containing ceric ammonium nitrate, and after standing, obtaining the above-mentioned host-guest composite material.

The application discloses a polishing pad and a preparation method and application thereof, and relates to the technical field of polishing. The polishing pad comprises a substrate layer and a polishing layer arranged in sequence from bottom to top, the polishing layer comprises a first polishing layer adjacent to the substrate layer and a second polishing layer stacked on the first polishing layer, the material of the first polishing layer comprises polyurethane prepolymer, a curing agent and composite nanospheres, the composite nanospheres are formed by covalent bonding of porous coordination polymers and multifunctional hybrid molecules; the material of the second polishing layer comprises polyurethane prepolymer, a curing agent and a composite phase change material, the composite phase change material comprises a core and a shell layer covering the core, the material of the core comprises a phase change material, and the material of the shell layer comprises inorganic nonmetal. The layered structure realizes chemical bonding between two regions, has no interface peeling risk, and meets the stability requirement of a high-reliability polishing pad.