52 results about "Conjugated microporous polymer" patented technology

The application relates to preparation and application of a zwitterion-containing porphyrin-based conjugated microporous polymer composite fiber membrane, and components of the composite fiber material include: a porphyrin-based conjugated microporous polymer, a zwitterionic polyionic liquid and a polymer matrix; wherein the polymer matrix fiber is doped with the porphyrin-based conjugated microporous polymer and the zwitterionic polyionic liquid. The zwitterion-containing porphyrin-based conjugated microporous polymer composite fiber membrane has the advantages of salt resistance, fast evaporation rate and high photo-thermal conversion efficiency, and has potential application value in seawater desalination, wastewater purification, sterilization and the like.

The invention discloses application of ferrocenyl conjugated microporous polymers Fc-CMPs in a composite solid propellant and the composite solid propellant, the ferrocenyl conjugated microporous polymers Fc-CMPs are porous organic polymers which take ferrocenyl groups as conjugated functional units and are connected through covalent acetylenic bonds, and the ferrocenyl conjugated microporous polymers Fc-CMPs have excellent thermal stability and permanent porosity, and can be used for preparing the composite solid propellant. The material is solid powder, is insoluble in a traditional organic solvent and does not migrate, and a ferrocene unit serves as a constituent part of a polymer framework and an oxidation-reduction active site and is dispersed in a two-dimensional conjugated network structure of a composite solid propellant. When being used as a burning rate catalyst to be applied to AP decomposition, the ferrocene burning rate catalyst can obviously reduce the high-temperature decomposition peak temperature of AP, and solves the migration problem of a traditional ferrocene burning rate catalyst in a composite solid propellant system. The Fc-CMPs are applied to an AP decomposition catalysis scene for the first time, and a new direction is provided for development of a composite solid propellant burning rate catalyst.

The present application relates to a kind of conjugated microporous polymer, film and its preparation and application, the present application is respectively introduced 1,3,5-tri (4-aminophenyl) benzene, 2,4,6-tri (4-aminophenyl) -1,3,5-triazine or tri (4-aminophenyl) amine on the basis of 3,4-dihydroxy-3-cyclobutene-1,2-diketone, powder polymer is prepared, then through electroblasting technology obtains conjugated microporous polymer film.The conjugated microporous polymer film prepared by the present application realizes the detection of NO2 at room temperature, its preparation method is green and simple, low in price, overcomes the problem that conjugated microporous polymer is difficult to process, has good sensing application prospect.

The invention belongs to the field of preparation of conjugated microporous polymers, and particularly discloses a method for synthesizing a conjugated microporous polymer through metal-free catalysis and application of the conjugated microporous polymer. According to the method, triphenylamine (TPA) is taken as a monomer, N-iodosuccinimide (NIS) is introduced to serve as an iodination reagent, the synergistic catalysis of trifluoromethanesulfonic acid (TfOH) is combined, and the synthesis of the conjugated microporous polymer (TPA-CMPs) is successfully realized under the condition that a metal catalyst is not needed. The obtained CMPs material has ultrahigh specific surface area and excellent iodine adsorption capacity, no metal participates in the whole process, the problems of high pollution, high cost and the like in the traditional metal catalytic synthesis process of CMPs are effectively solved, a new thought is provided for green chemical synthesis and functional material development, and the CMPs material has good application prospects in iodine vapor adsorption and iodine adsorption. The catalyst can also be applied to the fields of catalytic carriers, gas separation, environment restoration and the like and has wide application prospects.

The invention discloses a preparation method of a conjugated microporous polymer and application of the conjugated microporous polymer in degradation of bisphenol A, and relates to the field of conjugated microporous polymers. The invention aims to solve the problems of high catalyst cost, poor stability, low utilization rate of active substances and limitation on large-scale industrial application in the catalytic degradation of bisphenol A by using a catalyst in the prior art. The structural formula of the conjugated microporous polymer is shown in the specification. The method comprises the following steps: 1, adding 1, 3, 6, 8-tetrabromo pyrene, 1, 3, 5-triacetylene benzene, tetrakis (triphenylphosphine) palladium and cuprous iodide into a mixed solvent of N, N-dimethylformamide and triethylamine to obtain a mixed solution; 2, hydrothermal reaction; and 3, cleaning and drying. According to the application of the conjugated microporous polymer to adsorption and / or degradation of bisphenol A in water, the method is simple and easy to operate, the degradation efficiency is high, the mineralization rate is high, the conjugated microporous polymer is repeatable, the use cost is low, and the conjugated microporous polymer is suitable for large-scale popularization and application.

The invention relates to an alkynyl-linked conjugated microporous polymer. The molecular structure of the conjugated microporous polymer contains a structural unit as shown in the following formula (I), the alkynyl-linked conjugated microporous polymer provided by the invention consists of aryl and alkynyl, has a long-range continuous conjugated structure and is beneficial to electron conduction, and meanwhile, the alkynyl-linked conjugated microporous polymer provided by the invention has a good microporous structure and a relatively large specific surface area. The invention also provides a method for preparing the alkynyl-linked conjugated microporous polymer based on calcium carbide and application of the alkynyl-linked conjugated microporous polymer in preparation of a conjugated microporous polymer modified electrode.

The application discloses a preparation method and application of a hollow conjugated microporous polymer. It belongs to the field of photocatalytic organic synthesis and comprises the following steps: step S1, dispersing SiO2 nanosphere templates in a triethylamine solvent; step S2, adding 4,7-dibromo-2,1,3-benzothiadiazole, dichlorobistriphenylphosphine palladium and cuprous iodide; step S3, slowly adding a toluene solution of 1,3,5-triethynylbenzene; step S4, heating, stirring, washing, etching with a hydrofluoric acid solution, washing and drying to obtain the hollow conjugated microporous polymer. The hollow spherical structure of the hollow conjugated microporous polymer enhances light capture; high specific surface area and hierarchical pores promote mass transfer and active site exposure; the D-A type conjugated system constructed by BT units effectively narrows the band gap, expands the visible light response range and greatly improves the charge separation efficiency; and the all-organic composition makes the hollow conjugated microporous polymer environmentally friendly and relatively low in cost.

The present application belongs to the technical field of analysis and detection, and particularly relates to an enrichment material of estrogen substances and an analysis method thereof. The enrichment material of estrogen substances (Fe3O4@SiO2@CMP-SO3Na) comprises a magnetic carrier and an ionic conjugated microporous polymer loaded on the surface of the magnetic carrier. The composite material exhibits high adsorption capacity, fast adsorption kinetics and excellent reusability by virtue of the synergistic effect of the conjugated system-ion group-porous structure. On this basis, the present application first establishes an MSPE-HPLC-MS / MS combined analysis method based on Fe3O4@SiO2@CMP-SO3Na, and successfully applies the method to efficient enrichment and accurate detection of trace EEs in food samples (such as honey, dairy products) and environmental water (such as surface water, wastewater).

A method for degrading levofloxacin in wastewater based on a visible light-driven CMP (Chemical Molecular Polymer) photocatalytic system is disclosed. This invention aims to address the problems of most existing photocatalysts being only responsive to ultraviolet light, having limited solar energy utilization efficiency, being highly susceptible to the influence of wastewater turbidity and color, and exhibiting low degradation efficiency for norfloxacin. The method comprises: 1. Synthesizing a conjugated microporous polymer; 2. Performing photocatalytic degradation under visible light irradiation. This invention aims to achieve efficient solar energy utilization by utilizing the excellent photogenerated charge generation and transport efficiency of conjugated microporous polymers for the efficient degradation of levofloxacin. This provides a mild, efficient, and environmentally friendly green method for degrading the novel pollutant levofloxacin, offering a new option for treating complex industrial wastewater.

The invention belongs to the technical field of chemical analysis, and particularly relates to a sample pretreatment technology and an analysis method of a triazine herbicide. The ionic type conjugated microporous polymer is formed by polymerization of 2, 4, 6-tri (4-ethynyl phenyl)-1, 3, 5-triazine (TEPT) and 1, 3-bis (4-bromophenyl)-1H-imidazole-3-onium bromide, and the ionic type conjugated microporous polymer is formed by polymerization of 1, 3-bis (4-bromophenyl)-1H-imidazole-3-onium bromide. The ionic type conjugated microporous polymer is prepared by cross coupling of 2, 4, 6-tri (4-ethynyl phenyl)-1, 3, 5-triazine (TEPT) and 1, 3-bis (4-bromophenyl)-1H-imidazole-3-onium bromide, and the ionic type conjugated microporous polymer is prepared by cross coupling of 2, 4, 6-tri (4-ethynyl phenyl)-1, 3, 5-triazine (TEPT) and 1, 3-bis (4-bromophenyl)-1H- The ionic conjugated microporous polymer is used for preparing a solid phase extraction (SPE) small column, an SPE-LC-MS / MS is established after the extraction condition is optimized, and the SPE-LC-MS / MS is used for selective enrichment and accurate detection of trace triazine herbicides in environmental water bodies (such as underground water and waste water) and food samples.

The invention discloses a conjugated microporous polymer material as well as a preparation method and application thereof in photocatalysis, and belongs to the technical field of organic photoelectric materials and photocatalysis. According to the preparation method of the conjugated microporous polymer material, 1, 3, 5-trivinyl benzene and aryl halide ligands (such as 1, 4-dibromobenzene, 1, 3, 5-tribromobenzene and the like) are used as raw materials, palladium acetate is used as a catalyst, and the conjugated microporous polymer material is synthesized through a Heck coupling reaction by a hydrothermal method. The prepared conjugated microporous polymer material can generate photo-generated charges under an illumination condition, shows semiconductor-like characteristics and a two-dimensional plane structure, and is suitable for photocatalytic degradation of organic pollutants in water and reduction of carbon dioxide. The photocatalyst has a remarkable degradation effect on tetracycline hydrochloride under visible light and can be used for photocatalytic reduction of carbon dioxide to generate useful products. The material is stable in structure, large in specific surface area and reasonable in pore size distribution, and has a good application prospect.

The invention discloses a conjugated microporous polymer and application thereof in treatment of norfloxacin. The conjugated microporous polymer has visible light responsiveness, shows excellent photocatalytic degradation performance to norfloxacin under visible light irradiation, has a degradation rate exceeding 80% in actual water, and shows very high compatibility to complex water quality factors such as a wide pH range, common competitive ions and humic acid. When the dosage of the catalyst is reduced to 0.02 g / L, 95% of norfloxacin can still be degraded in a system of 1000 mL, and the industrial application potential of the norfloxacin in low-dosage and large-volume accumulated water treatment is shown. Meanwhile, the material has excellent cycling stability, the degradation rate is still kept to be 76% or above after the material is continuously used for five times, and the material has remarkable cost advantage and popularization prospect in advanced treatment of industrial wastewater by combining high efficiency and reusability of the material.

The invention relates to the technical field of conjugated microporous polymer materials, and discloses a covalent triazine unit-based conjugated microporous polymer membrane with negative charges and a preparation method thereof. The method comprises the following steps: firstly, preparing a negatively charged cyanophenyl monomer through nucleophilic substitution reaction of a cyanophenyl-containing compound and 1, 4-butane sultone, then taking the monomer and biphenyl nitrile as comonomers, and carrying out step-by-step polymerization, heating film formation, shock cooling shaping and dual-solvent soaking post-treatment under the catalysis of trifluoromethanesulfonic acid to obtain the cyanophenyl-containing polymer film. And finally obtaining the covalent triazine unit-based conjugated microporous polymer membrane with negative charges. The preparation process is high in controllability, and the obtained film has high stability of a covalent triazine structure and the porous characteristic and negative charge function of conjugated micropores, and has wide application prospects in the fields of gas separation and the like through verification.

The application discloses acetylenic group-containing conjugated microporous polymers in a spiral structure and a preparation method thereof. A preparation process takes TNP-3Br and 1,4-diethynylbenzene or 1,3,5-triethynylbenzene as raw materials, takes tetra(triphenylphosphine palladium) and CuI as a catalyst, and takes toluene as a solvent. Through structural optimization and modular design of target CMPs, two kinds of conjugated microporous polymers CMP-1 and CMP-2 are prepared based on a Sonogashira coupling reaction mechanism by a solvothermal method. The conjugated microporous polymers have the characteristics of novel raw material structure, simple synthesis process, low cost, mild reaction condition and high yield. The synthesized CMP-1 and CMP-2 have an extended pi electron system, so that the CMP-1 and CMP-2 exhibit good electronic transmission performance. The materials have potential application values in photoelectric devices, such as organic light-emitting diodes, solar cells and the like.

The invention discloses a preparation method of a double lithium salt type gel polymer electrolyte membrane. The preparation method comprises the following steps: step A, preparing a neutral flexible conjugated microporous polymer f-n-CMP support membrane; and step B, preparing the double-lithium-salt type gel polymer electrolyte membrane by utilizing the f-n-CMP support membrane prepared in the step A through ultraviolet curing. According to the invention, the high mechanical strength of the f-n-CMP support membrane is utilized to make up for the defect of insufficient mechanical property of the gel electrolyte membrane, and the strength does not need to be enhanced by means of excessively constructing a cross-linked network, introducing a hydrogen bond and the like, so that the problems of polymer chain segment fluidity reduction and ion transmission blocking are avoided; meanwhile, the ion transmission efficiency is optimized by combining the synergistic effect of double lithium salts, and an integrated polymer network is constructed by ultraviolet curing in-situ polymerization. According to the invention, the f-n-CMP support membrane, the ultraviolet curing in-situ polymerization and the double lithium salt synergism are synergistically integrated to construct the GPE with high ionic conductivity, excellent interface stability and mechanical strength.

The invention discloses a conjugated microporous polymer composite organic solvent nanofiltration membrane as well as a preparation method and application thereof, and belongs to the technical field of composite membranes. The conjugated microporous polymer composite organic solvent nanofiltration membrane is prepared by adopting an electrochemical method and comprises a conjugated microporous polymer membrane layer and a conductive substrate with a porous network structure, and part of pore channels of the conjugated microporous polymer membrane layer correspond to and are communicated with part of macropores in the conductive substrate. The method is easy and convenient to operate and mild in reaction condition, controllable deposition of the film layer can be achieved, and the problems of film layer cracking, poor interface bonding and the like in a traditional film manufacturing process can be effectively solved. The thickness of the obtained conjugated microporous polymer composite organic solvent nanofiltration membrane is controllable, and good balance between the retention rate and the permeation flux can be realized; meanwhile, the polymer has excellent chemical stability and thermal stability, can run durably in an organic system, and is suitable for a molecular separation process in various organic solvent systems.

This invention relates to an electroactive porphyrin-based conjugated microporous polymer material, its preparation method, and its applications. The porphyrin-based conjugated microporous polymer is obtained from raw materials containing porphyrin-based monomers and aromatic amine monomers through a coupling reaction. The electroactive porphyrin-based conjugated microporous polymer material of this invention exhibits excellent electrochemical performance as an electrode material. Lithium-ion capacitors constructed using this material possess characteristics such as high specific capacitance, high energy density, fast charging rate, and long cycle life. This invention has good application potential in lightweight, high-specific-energy, fast-charging energy storage devices.

The invention discloses a conjugated microporous polymer based on 4, 4 '-biphenyl dicarboxaldehyde, a preparation method and an application, relates to the related technical field of seawater desalination materials and sewage purification materials, and aims to overcome the technical problem of low photothermal conversion efficiency in the prior art, and the structural formula of the conjugated microporous polymer based on 4, 4'-biphenyl dicarboxaldehyde is shown in the specification. The invention provides an efficient, stable and low-cost solution for seawater desalination and sewage purification.

The present application relates to a kind of conjugated microporous polymer photocatalytic preparation aryl sulfone group ethylene compound based on method, the method of the present application uses the CMPs as photocatalyst with cheap chemical stilbene, sulfonyl chloride as raw material, uses triarylamine unit construction, with light energy as energy source, by in-situ formation electron donor-acceptor (EDA) complex realizes stilbene sulfonylation, with atom economy, step simplicity, efficient, green and environmentally friendly synthesis route with low price, to adapt to the requirement of industrial application, the synthesis method of the present application is more green, environment-friendly and wide application range.

This invention discloses an interpenetrating polymer network (IPN) material for the efficient purification of volatile organic compounds (VOCs) and its preparation method. The method first employs a B-H (-NO2) coupling method, using tris(4-nitrophenyl)amine or p-dinitrobenzene as the core component, and various aromatic amine linkers to construct a primary conjugated microporous polymer network (N-CMPs) under a palladium catalysis system. Subsequently, through post-molecular weaving and expansion technology, secondary crosslinking is carried out using p-phenylenedichlorobenzyl or acyl chloride external crosslinking agents under Lewis acid catalysis, significantly improving the density and specific surface area of ​​the framework. The prepared HCCP1-X series materials exhibit a saturated adsorption capacity of 961 mg / g for toluene and 895 mg / g for ethyl acetate at 25 °C, providing a new pathway for the development of highly efficient VOCs adsorbents.

The invention discloses a polyvinyl alcohol-sulfonated imino conjugated microporous polymer organic hydrogel fiber as well as a preparation method and application thereof. The sulfonated imino conjugated microporous polymer is prepared from 2, 2 '-7, 7'-tetrabromine-9, 9 '-spirobifluorene and a 2, 4-diaminobenzene sulfonic acid monomer through Buchwald-Hartwisting carbon and nitrogen coupling polymerization, and the sulfonated imino conjugated microporous polymer is prepared from 2, 2'-7, 7 '-tetrabromine-9, 9'-spirobifluorene and a 2, 4-diaminobenzene sulfonic acid monomer. And injecting a water / organic mixed solution of polyvinyl alcohol and the sulfonated imino conjugated microporous polymer into a mold, freezing in liquid nitrogen for a period of time, freezing, crystallizing, assembling and cross-linking, taking out the organic hydrogel fiber, and demolding to obtain the polyvinyl alcohol-sulfonated imino conjugated microporous polymer organic hydrogel fiber. The prepared organic hydrogel fiber has a three-dimensional network stereo structure, good mechanical strength, excellent stretchability and low strain sensor detection limit, can stably output a deformation signal when a human body moves, and shows a potential application prospect in the aspects of strain sensors, intelligent wearing or soft-bodied robots.

The application discloses a conjugated microporous polymer based on 4,4'-biphenyl dicarboxaldehyde, a preparation method and application, relates to the technical field of seawater desalination materials and sewage purification materials, and aims to overcome the technical problem of low photo-thermal conversion efficiency of the prior art.The structural formula of the conjugated microporous polymer based on 4,4'-biphenyl dicarboxaldehyde is as follows: the application provides an efficient, stable and low-cost solution for seawater desalination and sewage purification.

The application provides a novel thiophene conjugated microporous polymer wave-absorbing material and a preparation method thereof, the wave-absorbing material is composed of a conjugated microporous polymer and a polypyrrole, the conjugated microporous polymer is formed by coupling polymerization of dibromothiophene monomers and borate monomers under the action of a palladium catalyst, and the polypyrrole is obtained by confined polymerization of the polypyrrole in the micropores of the conjugated microporous polymer, and has a reticular structure. The application introduces aromatic heterocyclic molecules on the conjugated microporous molecular skeleton, synthesizes a conjugated microporous polymer containing a thiophene group, introduces the polypyrrole into the nanopores of the conjugated microporous polymer by a confined polymerization method, prepares a novel thiophene conjugated microporous polymer, and then adjusts the ratio of the polypyrrole and the conjugated microporous polymer to obtain a novel conjugated microporous polymer wave-absorbing material with excellent electromagnetic wave-absorbing performance.

The application provides a high-pore corrosion-resistant armoured structure fiber membrane and a preparation method and application thereof, and the method comprises the following steps: step S1, dissolving polylactic acid in an organic solvent to prepare a spinning dope; step S2, preparing a polylactic acid nanofiber membrane through a spinning technology; step S3, dissolving bromine monomers, alkyne monomers and a catalyst in a reaction solvent to prepare a conjugated microporous polymer precursor solution; and step S4, taking the polylactic acid nanofiber membrane obtained in step S2 as a solid template, placing the solid template in the conjugated microporous polymer precursor solution obtained in step S3, and preparing a fiber membrane through a coupling reaction in an inert gas atmosphere. The fiber membrane prepared by the application has the advantages of a large specific surface area, uniform pore distribution, corrosion-resistant steam erosion resistance, excellent dust filtration performance and the like, and has a fiber armoured structure, and is a high-performance multi-field dust and toxic gas synchronous filtration gas purification material.

The application discloses a preparation and application of a heterogeneous catalyst for photoinduced reversible addition-fragmentation chain transfer polymerization, and the method uses conjugated microporous polymer materials B-B, B-CN-B or B-2CN-B as the catalyst for a reversible addition-fragmentation chain transfer (RAFT) polymerization reaction, so that active polymerization with low dispersity (PDI=1.04-1.25) can be obtained. Meanwhile, the conjugated microporous polymer material used as the catalyst in the method has strong stability and can be repeatedly used for many times, has strong applicability, and is suitable for large-scale application.

The application discloses a kind of nano magnetic material and processing method thereof, it relates to nano magnetic material technical field.The application is prepared with iron nitrate nine water, cobalt nitrate six water, porous carbon as raw material to obtain nano particle;The surface of nano particle is obtained by polyamidation to obtain nano magnetic material.Fluorine-containing monomer and 1,3,5-tri (4-ethynylphenyl) benzene are structural unit, and fluorine-containing conjugated microporous polymer is synthesized, and porous carbon is prepared by calcination, and the porous carbon has suitable adjustable mesoporous pore size, huge specific surface area, regular pore structure and excellent physical and chemical stability, and iron-cobalt-oxygen magnet is deposited on the surface of porous carbon to obtain nano particle, and the magnetic nano particle is assembled using porous carbon, which can avoid the agglomeration problem of nano material, ensure the coupling effect between magnetic nano material and mesoporous pore wall, and exhibit excellent wave-absorbing performance.

The invention discloses a conjugated microporous polymer based on terephthalaldehyde, a preparation method and application, relates to the related technical field of seawater desalination materials and sewage purification materials, and aims to overcome the technical problem of low photothermal conversion efficiency in the prior art. According to the invention, an efficient, stable and low-cost solution can be provided for seawater desalination and sewage purification.

This invention discloses a conjugated microporous polymer based on terephthalaldehyde, its preparation method, and its applications, relating to the technical fields of seawater desalination materials and wastewater purification materials. It aims to overcome the technical problem of low photothermal conversion efficiency in existing technologies. The structural formula of the conjugated microporous polymer based on terephthalaldehyde is as follows: [Structure formula would be inserted here]. This invention can provide an efficient, stable, and low-cost solution for seawater desalination and wastewater purification.

The invention discloses a thiophene conjugated microporous polymer membrane for selective screening of uranyl ions as well as a preparation method and application of the thiophene conjugated microporous polymer membrane, and belongs to the technical field of separation membrane materials. The composite membrane is composed of a base membrane and a conjugated microporous polymer selection layer, wherein the base membrane is a polytetrafluoroethylene-carbon nanotube composite membrane; the conjugated microporous polymer selection layer is prepared by performing electrochemical polymerization reaction on thiophene monomers containing amidoxime groups and rigid thiophene monomers on the surface of the base membrane. The obtained thiophene conjugated microporous polymer membrane has excellent chemical stability and competitive ion and uranyl ion screening performance, can stably operate in a complex water body for a long time, and can give consideration to high selectivity and high flux transmission of uranyl ions; the method can be used for efficiently and selectively separating and extracting uranyl ions in complex water bodies such as seawater and uranium-containing industrial wastewater.

A novel material is described, the structure of which is such that it may be termed a conjugated microporous polymer. The material may be prepared by an industrially attractive, one-pot synthesis. The material exhibits advantageous electrochemical properties, making it particularly well-suited for use in battery applications.