10 results about "Porous Coordination Polymers" patented technology

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 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 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.