68 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 discloses a conjugated microporous polymer photocatalyst as well as a preparation method and application thereof, and relates to the technical field of photocatalyst materials. According to the photocatalyst, carbazole intermediates are used as electron donors, naphthalimide intermediates are used as electron acceptors, and a conjugated microporous polymer skeleton is constructed through an aldehyde amine condensation reaction. The preparation method comprises the following steps: preparation of a naphthalimide intermediate, preparation of a carbazole intermediate and aldehyde amine condensation reaction. According to the photocatalyst obtained through an optimized green synthesis route, H2O2 can be directly synthesized by efficiently utilizing oxygen in water and air at normal temperature and normal pressure, the highest yield can reach 6.09 mmol.g <-1 >. H <-1 > in the presence of a sacrificial agent, and a new solution is provided for green synthesis of H2O2.

The present application relates to the technical field of PTFE porous membrane, in particular to a kind of SPEEK filled PTFE porous membrane and its preparation process, the present application selects PTFE porous membrane as base film material, selects SPEEK as filler, with non-ionic surfactant polyoxyethylene laurate as hydrophilic layer element, induces dopamine to be self-polymerized on the surface of PTFE porous membrane and constructs mussel biomimetic coating;Then PEEK is treated with concentrated sulfuric acid, prepares SPEEK, and grafted gallic acid modified chitosan after activation;Carboxylated fiber nanocrystal, polycarboxyl group conjugated microporous polymer and composite SPEEK are introduced as filler;By controlling the ratio of carboxylated fiber nanocrystal, polycarboxyl group conjugated microporous polymer and composite SPEEK in mixed solution, introducing auxiliary agent in mixed solution, complex crosslinking network is constructed, PTFE porous membrane is endowed with durable antibacterial, corrosion resistance and high stability, the use range of PTFE porous membrane is widened, and the service life of PTFE porous membrane is prolonged.

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 application relates to an imine-based conjugated microporous polymer with high specific surface area and high conjugation degree and a preparation method and application thereof, three monomers of aryl bromide, arylamine and boric acid are selected, and the imine-based conjugated microporous polymer with high specific surface area and high conjugation degree is synthesized based on a one-pot two-reaction of Buchwald-Hartwig carbon-nitrogen coupling reaction and Suzuki-Miyaura carbon-carbon coupling reaction. In the alkaline condition, the ratio of the aryl bromide and arylamine monomers is kept unchanged, the boric acid monomer is introduced to carry out the Suzuki-Miyaura C-C coupling reaction, the specific surface area, active sites and conjugation degree can be effectively increased. The method is simple in operation, the conjugated microporous polymer with high specific surface area, high conjugation and high redox property has great application potential in energy storage electrode materials, supercapacitors and the like.

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 relates to a preparation method of a conjugated microporous polymer type sonosensitizer and application of the conjugated microporous polymer type sonosensitizer in sonodynamic therapy (SDT), and belongs to the crossing field of organic optoelectronic materials and biomedicine. A conjugated microporous polymer with triphenylamine (TPA) as a main body and connecting molecules with different lengths is designed. A series of conjugated microporous polymer sonosensitizers with different pores are constructed by taking triphenylamine with a trident structure as a main body and connecting monomers with different lengths, and have a good sonodynamic treatment effect.

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 relates to a core-shell wave-absorbing yarn based on a conjugated microporous polymer and a preparation method and application of the core-shell wave-absorbing yarn. A shell layer of the core-shell wave-absorbing yarn contains nanofibers of a magnetic wave-absorbing material, and a core layer of the core-shell wave-absorbing yarn is yarn. The core-shell wave-absorbing yarn prepared by the method has excellent mechanical properties, has electromagnetic wave absorption characteristics of wide frequency band and strong absorption in an X wave band, and shows a wide application prospect in the field of flexible wearable electromagnetic protective fabrics.

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.

The invention discloses a negative oxygen ion coating based on a conjugated microporous polymer / sepiolite composite material as well as a preparation method and application of the negative oxygen ion coating. According to the coating, a conjugated microporous polymer / sepiolite composite material is used as a core functional component, a polymer emulsion base material, an auxiliary anion excitation material, an environment-friendly additive system and the like are combined, and efficient degradation of indoor pollutants and lasting release of negative oxygen ions are achieved through a multi-phase synergistic effect mechanism; according to the present invention, the formaldehyde decomposition rate can be significantly increased to more than 90%, the negative oxygen ion release concentration can achieve 3000-10000 / cm < 3 >, and the diversification requirements of people on the indoor air quality improvement can be met due to the radioactive concern and the light dependence of the traditional technology.

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 material for detecting heavy metal iron in drinking water as well as a synthesis method and application thereof, the conjugated microporous polymer material for detecting heavy metal iron in drinking water is synthesized from terephthalic dihydrazide and 2, 5-dimethoxy terephthalaldehyde through a solvothermal reaction method, and during synthesis, the terephthalic dihydrazide and the 2, 5-dimethoxy terephthalaldehyde are subjected to a solvothermal reaction to obtain the conjugated microporous polymer material for detecting heavy metal iron in drinking water. The mass ratio of 2, 5-dimethoxy terephthalaldehyde is (2: 5) to (5: 2).

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 present invention proposes a separator, a preparation method, and applications thereof. The separator comprises at least: a base membrane; and a conjugated microporous polymer coating disposed on at least one surface of the base membrane. The conjugated microporous polymer coating has a microporous structure with a pore size of less than 2 nm and a porosity of 30% to 90%. The separator proposed in the present invention, its preparation method, and applications thereof can prevent transition metal ions dissolved from the positive electrode from diffusing to the negative electrode, thereby improving the cycle life of the battery under high voltage and high temperature conditions.

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.