19 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 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 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.

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 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 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 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 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.

The invention discloses a porous coordination polymer material capable of preferentially adsorbing argon as well as a preparation method and application of the porous coordination polymer material, and belongs to the field of gas adsorption and separation materials. The preparation method of the material comprises the following steps: (1) dissolving a bipyridine ligand, a fumaric acid ligand and divalent metal salt in a mixed solvent to obtain a uniform reaction solution; (2) carrying out program temperature control solvothermal synthesis reaction on the obtained reaction solution to obtain a target crystal product; and (3) carrying out washing, solvent exchange and activation degassing treatment on the obtained crystal product to obtain the porous coordination polymer material. The material provided by the invention has an ultra-microporous structure and good stability, the Ar adsorption capacity under 298 K and 100 kPa is 0.30 mmol / g, the IAST selectivity to Ar / O2 (v / v, 5 / 95) is up to 1.6, and the material shows a wide industrial application prospect in the fields of trace Ar removal and Ar / O2 separation in the ultra-pure oxygen preparation process.

[Problem] The purpose of the present invention is to provide: a baking powder coating composition and baking liquid coating composition which are PFAS-free, have excellent corrosion resistance and processability while also having high durability and high chemical resistance, and form a good lining coating film without causing defects such as cracks; and a coating film and coated body containing the baking powder coating composition or baking liquid coating composition. [Solution] This baking powder coating composition comprises a polyethylene resin in which a porous coordination polymer (PCP) / metal organic framework (MOF) is dispersed, wherein an organic ligand and a central metal form a coordination bond in the porous coordination polymer (PCP) / metal organic framework (MOF).

The application provides a composite material reference solid-state electrolyte, a preparation method thereof and a solid-state zinc battery. The composite material reference solid-state electrolyte comprises, in percentage by mass, a porous electrolyte film and a liquid electrolyte adsorbed in pores of the porous electrolyte film; the porous electrolyte film comprises a composite material and a binder, the composite material comprises a porous coordination polymer and zinc zincum indium sulfureum wrapped on a surface of the porous coordination polymer, and the porous coordination polymer is a metal organic framework material; and the liquid electrolyte contains zinc ions. The application utilizes a microporous structure of the porous coordination polymer to guide uniform zinc deposition, and the zinc zincum indium sulfureum can form an indium / zinc sulfide solid-state electrolyte interface phase on a zinc metal negative electrode surface in situ when the battery is charged and discharged, so that the interface stability is improved, the interface impedance is reduced, and the electrode reaction kinetics is accelerated, thereby solving the problems of dendrite growth on the zinc negative electrode, slow reaction kinetics and poor interface stability.