249 results about "Phloroglucinol" patented technology

The invention relates to the field of oil storage microcapsules, and discloses a porous covalent organic framework oil storage microcapsule as well as a preparation method and application thereof. Under the catalysis of p-toluenesulfonic acid, 4, 4 ', 4' '-(1, 3, 5,-triazine-2, 4, 6-triyl) triphenylamine and trialdehyde phloroglucinol monomers are promoted to be subjected to condensation reaction in the repeated oscillation process, a product is purified to prepare a 4, 4', 4 ''-(1, 3, 5,-triazine-2, 4, 6-triyl) triphenylamine covalent organic framework, and by means of a periodic pore structure of the covalent organic framework, the covalent organic framework can be used for preparing the covalent organic framework. And the lubricating oil is adsorbed and stored and can be controllably separated out to provide lubrication during working, so that a high-performance self-lubricating effect can be realized. In addition, covalent organic frameworks are used as hard particles to be doped into a polymer matrix to modify the polymer matrix, so that the wear resistance of the polymer matrix can be greatly enhanced, and the performance of the self-lubricating bearing material is improved.

The invention relates to the technical field of battery electrodes, in particular to a zinc pole piece coated with a sulfonic COF membrane, a preparation method of the zinc pole piece and an aqueous zinc battery, and the preparation method comprises the following steps: dissolving 2, 4, 6-triformyl phloroglucinol and p-phenylenediamine-2, 5-disulfonic acid in an organic solvent to obtain a mixed solution; and putting the zinc foil into the mixed solution, carrying out sealed standing at normal temperature, taking out the zinc foil coated with the sulfonic group COF film, and washing and drying the zinc foil to obtain the zinc pole piece coated with the sulfonic group COF film. The prepared zinc pole piece coated with the sulfonic COF film has good corrosion resistance and dendritic crystal inhibition capacity, and when the zinc pole piece is used as a negative electrode of a water-based zinc battery, the cycle performance of the water-based zinc battery can be improved, and the cycle life of the water-based zinc battery can be prolonged; the problems that a zinc negative electrode of an existing water-based zinc battery is prone to generating dendritic crystal and corrosion passivation side reactions in the battery circulation process, so that the use performance of the water-based zinc battery is reduced, and the service life is greatly shortened are solved.

The application discloses a preparation method of carbon aerogel material for light electromagnetic shielding, and comprises the following steps: adding resorcinol, phloroglucinol, a template agent and formaldehyde into pure water, stirring and dissolving to obtain a precursor solution; adding the precursor solution into white oil containing a surfactant, emulsifying, heating in an oil bath and fully reacting; centrifugal separation to obtain powder, high-temperature carbonization, dispersion in oleylamine, addition into a stock solution containing nickel acetylacetonate, triphenylphosphine and oleylamine, high-temperature reaction and cooling, addition of a mixture of hexane and ethanol to obtain a product; centrifugal separation and washing to obtain light high-electromagnetic-shielding carbon aerogel. The carbon aerogel material for light electromagnetic shielding prepared by the method has the advantages of small density, high efficiency, corrosion resistance, high electromagnetic shielding efficiency, high product yield and the like, and by controlling the nucleation and growth rate of Ni2P, the Ni2P nanoparticles can be uniformly grown on the carbon aerogel microspheres, and the method is suitable for application in large-scale industrial production.

The invention relates to the field of electric wires and cables, and discloses a high-temperature-oxidation-resistant flame-retardant electric wire and cable and a preparation method thereof.The sheath layer of the electric wire and cable comprises low-density polyethylene, nitrile rubber, natural rubber, ethylene-tetrafluoroethylene copolymer, modified multi-walled carbon nanotubes, modified nano titanium dioxide and auxiliaries; the modified multi-walled carbon nanotube is prepared by reacting an acylating chlorination multi-walled carbon nanotube with a polycyclotriphosphazene derivative; the polycyclotriphosphazene derivative is prepared by reacting hexachlorocyclotriphosphazene with p-aminodiphenylamine and then taking diphenyl dihydroxysilane as a linker; the modified nano titanium dioxide is prepared by the following steps: substituting phenylphosphoryl dichloride with phloroglucinol, then sequentially substituting with 3-(3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl chloride and 3-aminopropyltriethoxysilane, and grafting an obtained antioxidant phosphorus-containing coupling agent with nano titanium dioxide. The sheath layer material prepared by the invention has excellent high-temperature oxidation resistance, flame retardance, wear resistance and heat resistance.

The invention provides a dye / ion separation membrane with pore diameter and charge coordinated regulation and control as well as a preparation method and application thereof, and belongs to the field of preparation of a double-layer ionic covalent organic framework (COFs) composite membrane. An aromatic polyamide ultrafiltration membrane is used as a base membrane, and a double-layer COFs membrane is constructed on the surface of the aromatic polyamide ultrafiltration membrane through a multi-time interfacial polymerization method. The first layer is a positive charge COFs layer formed by reacting a guanidyl monomer with 1, 3, 5-triformyl phloroglucinol (Tp); and the second layer is a negative charge COFs layer formed by reacting ionic aromatic diamine with Tp. By adjusting the type and concentration of the monomers, the pore diameter and charge distribution of the film layer can be synergistically regulated and controlled, and the double-layer composite film which is stable in structure and orderly stacked is constructed. The obtained membrane has molecular sieve separation and electrostatic regulation functions, can efficiently intercept organic dye molecules in high-salt printing and dyeing wastewater, and has high flux, high selectivity and good chemical stability.

The invention discloses a preparation method and application of a nitrogen-containing heterocyclic porous covalent organic framework material. The preparation method comprises the following steps: mixing trialdehyde phloroglucinol and a nitrogen heterocyclic ring-containing monomer according to a certain mass ratio, adding an organic catalyst and a mixed solvent, degassing, sealing, carrying out solvothermal reaction synthesis, washing with a polar solvent, carrying out Soxhlet extraction and purification, and drying to obtain the nitrogen heterocyclic ring-containing porous covalent organic framework material. According to the method, a pyridazine unit and trialdehyde phloroglucinol are used as monomers to construct a COF skeleton of a nitrogen heterocyclic ring, an asymmetric pi-conjugated structure is formed, efficient electron-hole space separation is achieved, active site charge distribution is optimized through the electron-rich characteristic of the pyridazine unit, and the oxygen molecule adsorption and activation capacity is enhanced. The method adopts a green solvent, is mild in reaction condition, avoids the use of toxic reagents, is green and environment-friendly, and provides a new way for photocatalytic synthesis of hydrogen peroxide.

The invention discloses a polymer solid electrolyte based on a covalent organic framework, and a preparation method and application thereof. According to the method, firstly, PVDF-HFP and PEG1-NH2 are synthesized into a PH-PEG1-NH2 thin film, then a trialdehyde phloroglucinol solution is poured on the thin film to generate a PH-PEGCOF composite film, the composite film is impregnated with PEO and lithium salt to form a polymer electrolyte film, the polymer electrolyte film is applied to a solid-state lithium battery, and the assembled battery has good stable cycle performance.

The invention belongs to the technical field of membrane separation, and particularly relates to a polyamide composite membrane containing amino-carboxyl bifunctional COFs as well as a preparation method and application of the polyamide composite membrane. The preparation method comprises the following steps: by taking 1, 3, 5-tri (4-aminophenyl) benzene, 4, 4 '-diaminobiphenyl-2, 2'-dicarboxylic acid and 1, 3, 5-trialdehyde phloroglucinol as monomers, carrying out solvothermal reaction to prepare a bifunctional COFs material rich in amino groups and carboxyl groups at the same time; the preparation method comprises the following steps: dispersing a COFs material in a water phase containing polyamine, and carrying out interfacial polymerization on the water phase and an oil phase containing polyacyl chloride to prepare the composite membrane. COFs are firmly anchored in a polyamide network through a covalent reaction between amino and an acyl chloride monomer, so that the problems that the COFs are easy to fall off and non-uniform in dispersion are solved; the water flux is improved by regular pore channels of COFs, the membrane is endowed with strong hydrophilicity and electronegativity by carboxyl, the desalination rate and the pollution resistance are remarkably enhanced, and the COFs-based composite membrane has a wide application prospect in seawater desalination and high-salinity wastewater treatment.

The invention relates to the technical field of natural medicines, in particular to a 3 / 6 / 5 / 6 / 5 pentacyclic phloroglucinol compound as well as a preparation method and application thereof. The 3 / 6 / 5 / 6 / 5 pentacyclic phloroglucinol compound disclosed by the invention has a structure as shown in a formula I; the method comprises the following steps: extracting hypericum monogynum by using ethanol and petroleum ether, sequentially eluting the obtained petroleum ether extract through silica gel column chromatography, MCI resin column chromatography, Sephadex LH-20 gel column chromatography and ODS medium-pressure column chromatography, and purifying the collected eluate through preparative ODS liquid chromatography and semi-preparative ODS liquid chromatography to obtain the 3 / 6 / 5 / 6 / 5 pentacyclic phloroglucinol compound. The 3 / 6 / 5 / 6 / 5 pentacyclic phloroglucinol compound is extracted from hypericum monogynum for the first time, and the compound has great development value as a novel medicine for preventing or treating calcified aortic valve diseases.

The invention discloses a high-stability hydrated covalent organic framework membrane which comprises an ionic covalent organic framework and a self-supporting flexible substrate and is prepared by a vacuum-assisted self-assembly method, the thickness of the membrane is less than 100nm, and the pore size of the membrane is 2 + / -0.2 nm; the covalent organic framework is a nanosheet formed by polymerizing an aldehyde monomer 1, 3, 5-triformyl phloroglucinol and an amino monomer 4, 4 '-diamino-3. 3'-biphenyl disulfonic acid through a phase transfer method. According to the application of the membrane in natural gas decarburization, the membrane is applied to a wet natural gas purification system, has high flux and high selectivity in a CO2 / CH4 separation process, can tolerate multi-component conditions such as H2S, heavy hydrocarbons (C2H6, C3H8, n-C4H10, n-C6H14 and the like) and pressure as high as 33 bar, also has excellent separation performance on H2S / CH4, and has excellent separation performance in saturated steam of C6H14, C7H8 and C8H10 (hexane partial pressure is greater than or equal to 20 kPa). And the membrane separation performance is not obviously changed.

The invention provides an application of two polycyclic polyisopentenyl acyl phloroglucinol compounds (PPAP) with different skeleton types in preparation of drugs for relieving / treating neurodegenerative diseases. Belongs to the technical field of medicines. Hypheronone A provided by the invention is a 1, 9-split-ring polycyclic polyisopentenyl phloroglucinol compound, and hypheronone L is a polycyclic polyisopentenyl phloroglucinol compound which is formed by carrying out intramolecular [4 + 2] cyclization on a monocyclic polyisopentenyl phloroglucinol compound and has a complex ring system. The compound hypherone A and the compound hypherone L both have the activity of enhancing the current of a voltage-gated T-type calcium channel, can be used for preparing medicines for treating neurodegenerative diseases, particularly can be used for preparing medicines for relieving and / or treating diseases such as spinal cerebellar ataxia, Alzheimer's disease and intellectual syndrome, and have clinical application value.

The invention discloses a PEI-coated HPAN / COF nanofiber ultrafiltration membrane and a preparation method and application thereof, and belongs to the technical field of ultrafiltration membranes, the preparation method comprises the following steps: preparing a spinning solution from polyacrylonitrile, N, N-dimethylformamide and 1, 4-phenylenediamine; the preparation method comprises the following steps: carrying out needle-free electrostatic spinning, dipping an obtained fiber membrane in an absolute ethyl alcohol solution of trialdehyde phloroglucinol, taking out and cleaning, then completely dipping in an alkaline solution, taking out and washing, drying to obtain an HPAN / COF nanofiber membrane, dipping the HPAN / COF nanofiber membrane in a PE I solution for treatment, taking out, washing and drying to obtain a PE I-coated HPAN / COF nanofiber ultrafiltration membrane, and carrying out electrostatic spinning on the membrane to obtain the HPAN / COF nanofiber ultrafiltration membrane. Functional groups of the ultrafiltration membrane are combined with heavy metal ions through chemical modes such as chelation and electrostatic interaction, various heavy metals can be accurately removed, and the problem that a traditional ultrafiltration membrane is insufficient in heavy metal ion removal depth and breadth is effectively solved.

The application discloses a method for inhibiting growth of pseudomonas by using fucoidan and application thereof, and is characterized in that the fucoidan is a degradation product of natural seaweed (sodium alginate), and is a linear oligosaccharide with a polymerization degree of 2-25 and composed of guluronic acid and mannuronic acid, and has the advantages of safety, health and no toxic side effects; in combination with the research of the inventors that the fucoidan can target and inhibit growth of pseudomonas in vitro and in intestinal flora, the fucoidan can meet the demand of practical application, can be used for delaying corruption and deterioration of fresh food caused by pseudomonas, and can be used for inhibiting growth of pseudomonas on the surface or in the body of aquatic products or fresh food, and has good application prospect and safety.

The present invention relates to the technical field of membrane separation, and specifically provides a GO@TP-TTTA composite nanofiltration membrane, a preparation method thereof and an application thereof. The GO@TP-TTTA composite nanofiltration membrane comprises a substrate membrane and a graphene oxide membrane formed on one surface of the substrate membrane. Porous organic framework materials are in-situ grown between the membrane layers of the graphene oxide membrane and on the surface of the graphene oxide membrane. The porous organic framework material is a TP-TTTA material obtained by bonding 2,4,6-tris(4-aminophenyl)-1,3,5-triazine and phloroglucinol trialdehyde through carbon-carbon double bonds. The GO@TP-TTTA composite nanofiltration membrane in the present invention has excellent stability and permeability performance, and its preparation method is simple to operate and has low-carbon and environmentally friendly reaction conditions.

A curcumin nanococrystal composition including curcumin, a coformer, and a stabilizer. The coformer may include at least one of 3,5-dinitrobenzoicacid, gentisic acid, phloroglucinol, 4,4-bipyridine, tartaric acid, citric acid, and gallic acid. The curcumin nanococrystal composition has a particle size less than 10 nm, and the curcumin has a water-solubility between 5 mg / ml and 20 mg / ml.

The invention belongs to the technical field of energy storage, and discloses a covalent organic framework film with a sandwich structure as well as a preparation method and application of the covalent organic framework film. The preparation method comprises the following steps: carrying out condensation reaction on 2, 2 '-benzidine disulfonic acid and trialdehyde phloroglucinol to prepare a self-supporting covalent organic framework membrane, dip-coating the self-supporting covalent organic framework membrane in a polybenzimidazole solution, and carrying out phase inversion to prepare the covalent organic framework membrane with a sandwich structure. According to the invention, selective transfer of protons is realized by using a pore structure and a sulfonic acid group in the covalent organic framework, vanadium ion permeation is hindered, and meanwhile, in the battery assembly and operation process, the polybenzimidazole layers on the two sides play a role in protecting the covalent organic framework membrane. The prepared membrane has high proton selectivity and battery efficiency.

This invention provides a rapid and visual detection method for D-limonene and its application, belonging to the field of analytical chemistry. The method includes: mixing ethanol and water to form a solvent system, sequentially adding template agents Pluronic P123 and Pluronic F127, phloroglucinol, 1,3,5-trimethylbenzene, and ethylenediamine, and stirring at room temperature until homogeneous; after the reaction is complete, washing, centrifuging, drying, and calcining to obtain DNCzyme; adding TMB, H2O2, and DNCzyme to an acetate-sodium acetate buffer solution HAc-NaAc, and finally adding D-limonene, incubating, and then visually detecting the solution. The colorimetric sensing method for detecting D-limonene provided by this invention is rapid, simple, low-cost, highly sensitive, and selective, and can be visualized using a smartphone.

The present application relates to a kind of high efficiency energy-saving preparation process of phloroglucinol.The preparation process uses phenol as raw material, generates 2,6-dichlorophenol and dichlorophenol isomer through chlorination reaction, then is alkaline hydrolysis and acidification into product phloroglucinol, after the intermediate dichlorophenol is generated in the chlorination reaction of raw material phenol, it is not concentrated and separated, directly add base to carry out alkaline hydrolysis reaction, realize chlorination-alkaline hydrolysis two-step reaction continuous production.The present application uses alkaline hydrolysis reaction to also convert the original dichlorophenol isomer impurity in situ into product phloroglucinol, realizes waste to treasure, improves yield about 8-10%;In the preparation process, 2,6-dichlorophenol intermediate is not separated, it is directly used in the next step alkaline hydrolysis reaction, the operation unit such as the solvent, crystallization, centrifugation, drying, packaging etc. for its concentration replacement is saved, at the same time, the pungent odor generated in the large production process of 2,6-dichlorophenol is fundamentally avoided, and the environmental pollution problem in the production process of phloroglucinol is avoided.

The invention discloses a preparation method and application of a sulfonyl-containing defect ternary donor-acceptor organic polymeric material. The material has excellent performance in the aspect of hydrogen production by photocatalytic decomposition of water. According to the present invention, 1, 3, 6, 8-tetra (4-formaldehyde phenyl) pyrene, 3, 7-diaminodibenzo [B, D] thiophene-5, 5-dioxide and trialdehyde phloroglucinol are adopted as synthesis precursors, and a Schiff base reaction is performed to obtain the sulfonyl-containing defect ternary donor-acceptor organic polymerization material; according to the ternary donor-acceptor structure and the double channels located at the defect, a channel for directionally and rapidly transferring current carriers is constructed, separation of electron hole pairs is accelerated, the migration rate of electrons is increased, the energy barrier of hydrogen production reaction is reduced, and meanwhile the hydrophilicity of the material is improved through sulfuryl. The material is stable in property, does not cause secondary pollution, can be recycled, and shows excellent performance of photocatalytic decomposition of water to produce hydrogen.

The invention provides an integrated forming method of an MOF / COF membrane, the membrane and mixed gas separation application, and belongs to the technical field of membrane materials, in particular to the integrated forming method of the MOF / COF membrane, which comprises the following steps: S1, mixing 1, 3, 5-triformyl phloroglucinol and octanoic acid to form a solution A; s2, 2, 5-diaminobenzene sulfonic acid and deionized water are mixed, and a solution B is formed; s3, mixing the solution A and the solution B, and reacting to obtain a COF concentrated solution; s4, mixing the COF concentrated solution and the first precursor solution, and reacting to obtain a second precursor solution; and S5, dip-coating a carrier by using the second precursor solution, and reacting the carrier to obtain the MOF / COF membrane. The MOF / COF film is prepared by adopting a one-step method, and the MOF / COF film is uniform in component distribution, free of intercrystalline defects and good in stability and gas separation performance.

This invention belongs to the field of traditional Chinese medicine treatment, specifically relating to an anti-cold and detoxifying capsule pharmaceutical composition, its preparation method, and its application. The composition comprises the following components in parts by weight: 25-35 parts Angelica dahurica, 40-50 parts Scutellaria baicalensis, 2-5 parts flavonoids, 0.5-2 parts Imperatorin, 1-5 parts Artemisia capillaris, 1-5 parts phloroglucinol compounds, and 0.1-0.5 parts organic acids. The component-based composition provided by this invention has a good effect in preventing and treating wind-heat colds, and the components exhibit good synergistic effects.

The invention discloses a preparation method of phloroglucinol triglycidyl ether, which comprises the following steps: (1) under the action of a catalyst and at the temperature of 100-130 DEG C, performing ring-opening reaction on phloroglucinol and epoxy chloropropane to generate tris (3-chloro-2-hydroxy propyl) phenyl ether; (2) adding water accounting for 1% of the total amount of reactants at 30-80 DEG C, adding alkali metal hydroxides in batches, and carrying out dehydrochlorination reaction; (3) dissolving the crude product obtained in the step (2) in a water-insoluble solvent, and washing with a low-concentration alkali metal hydroxide aqueous solution at 30-100 DEG C; and (4) washing with a low-concentration sodium dihydrogen phosphate solution, and carrying out reduced pressure distillation on a solvent layer to remove the solvent, thereby obtaining the phloroglucinol triglycidyl ether. By adopting the mode, the phenol type glycidyl ether with close to three functionality degrees can be synthesized.

The application belongs to the technical field of battery separator, and particularly relates to a functionalized separator, a preparation method thereof and a lithium ion battery. The preparation method comprises the following steps: dipping a separator base film in an alcohol aqueous solution for pretreatment, then dipping in a mixed aqueous solution of 2,5-diamino-1,4-dihydroxybenzene dihydrochloride Pa-OH and a surfactant, dipping the obtained 2,5-diamino-1,4-dihydroxybenzene dihydrochloride modified base film in an organic solution of 1,3,5-triformylphloroglucinol TP, and a Schiff base reaction occurs between TP and Pa-OH at the interface of two phases to obtain a base film in which TP-COF is generated in situ; dipping the base film in a succinic anhydride or derivative solution for reaction to introduce a carboxyl group, dipping the obtained TP-COF-COOH modified base film in an alcohol solution of a lithium salt to obtain a TP-COF-COOLi functionalized separator. The -COOLi group generated by modification can provide a specific lithium ion transmission path, significantly improve lithium ion migration number and ionic conductivity, and the carboxyl group can enhance electrolyte wettability and Li + affinity, reduce the internal resistance of the battery, and improve the rate performance.

The invention relates to a preparation method and application of a sulfonated covalent organic framework modified perfluorinated sulfonic acid resin composite proton exchange membrane, and the sulfonated covalent organic framework modified perfluorinated sulfonic acid resin composite proton exchange membrane is prepared from the following raw materials: perfluorinated sulfonic acid resin, 2, 4, 6-triformyl phloroglucinol and 2, 5-diaminobenzene sulfonic acid. The sulfonated covalent organic framework in the sulfonated covalent organic framework modified perfluorosulfonic acid resin composite proton exchange membrane has a rigid framework, and has relatively strong intermolecular interaction with perfluorosulfonic acid resin, so that the swelling problem can be effectively relieved while the hydrophilicity of the proton exchange membrane is improved; rich sulfonic acid groups in the sulfonated covalent organic framework structure can be used as additional proton transmission sites, so that the proton conductivity, the electrochemical performance, the mechanical strength, the antioxidant stability and the thermal stability of the composite membrane are improved.

The invention relates to phloroglucinol meroterpenoid compounds Hypercm A and B and a preparation method and application thereof, and belongs to the field of medical chemistry, the phloroglucinol meroterpenoid compounds Hypercm A and B are extracted and separated from Hypericum acalyx branches and leaves for the first time, and the structural formulas of the phloroglucinol meroterpenoid compounds Hypercm A and B are formula (I) and formula (II). The phloroglucinol meroterpenoids Hypericmoses A and B and pharmaceutically acceptable auxiliary materials have the advantages that the phloroglucinol meroterpenoids Hypericmoses A and B have obvious inhibition effects on HepG2 cells induced by oleic acid (OA) and have application potential in the field of lipid-lowering medicines, and the invention further relates to a pharmaceutical composition which comprises the phloroglucinol meroterpenoids Hypericmoses A and B and pharmaceutically acceptable auxiliary materials and has lipid-lowering effects.

The invention relates to the technical field of ammonium dinitramide preparation methods, in particular to an ammonium dinitramide coating material and a preparation method and application thereof.The preparation method comprises the following steps that under the protective atmosphere, an acetic acid solution, trialdehyde phloroglucinol, ammonium dinitramide and an amino compound are mixed and subjected to a Schiff base reaction, and an intermediate material is obtained; and depositing a fluorocarbon on the surface of the intermediate material to prepare the ammonium dinitramide coated material. According to the invention, trialdehyde phloroglucinol reacts with an amino compound to generate an interlinked interlayer microporous material (COFs framework material), and the interlinked interlayer microporous material has good compatibility with strong-polarity ammonium dinitramide and a non-polar fluorocarbon compound, so that transition of ammonium dinitramide (strong-polarity)-microporous material (moderate-polarity)-fluorocarbon (non-polarity) is formed; the abrupt change of interfacial tension when the surface of ammonium dinitramide is directly coated with the fluorocarbon is relieved.

This invention belongs to the field of environmental protection new materials technology, and discloses a functionalized TpPa-1 covalent organic framework, its preparation method, and its application. The preparation method includes the following steps: preparing a TpPa-1 covalent organic framework substrate by static reaction of p-phenylenediamine and trialdehyde-resorcinol at room temperature under scandium trifluoromethanesulfonate catalysis; ultrasonically modifying the TpPa-1 covalent organic framework substrate with alkaline solution NaOH or KOH; washing with water and methanol sequentially; and drying to obtain the functionalized TpPa-1 covalent organic framework. The functionalized TpPa-1 material prepared by this invention has a rich porous structure and exhibits a fast adsorption rate and strong adsorption capacity for both single heavy metal ions and mixed heavy metal ions. It solves the problems of low removal efficiency, slow adsorption rate, and limited adsorption capacity of existing adsorption materials for heavy metal ions, and has good application prospects in the treatment and purification of heavy metal polluted water.

The utility model provides a micro-fluidic chip for detecting formaldehyde in textile, which comprises a rotating hole positioned in a central area and a plurality of detection units uniformly arranged along the circumferential direction, each detection unit is sequentially provided with a sample adding port, a chamber to be detected and a detection chamber from inside to outside, and the sample adding port, the chamber to be detected and the detection chamber are sequentially communicated; the sample adding port is used for placing a sample solution, the to-be-detected chamber is used for placing phloroglucinol in advance, and the detection chamber is used for placing sodium hydroxide in advance. The formaldehyde detection device can improve the simplicity and the detection efficiency of formaldehyde detection in textiles.

The invention belongs to the technical field of magnetic composite materials and analysis and detection, and particularly relates to a magnetic cation covalent organic framework material as well as a preparation method and application thereof, and the preparation method comprises the following steps: taking trialdehyde phloroglucinol and bromomethanthridine as monomers, and carrying out aldehyde amine condensation polymerization on the surfaces of Fe3O4 nanoparticles to obtain the magnetic cation covalent organic framework material. Based on the magnetic cation covalent organic framework material, a magnetic solid phase extraction-liquid chromatography-mass spectrometry detection method is established, and efficient enrichment and sensitive detection of phenoxy carboxylic acid herbicides can be realized. The magnetic cation covalent organic framework material has the advantages of simplicity and convenience in preparation, high enrichment efficiency, strong selectivity, good reusability and the like. The constructed detection method is rapid, sensitive and accurate, can meet the trace analysis requirements of phenoxy carboxylic acid herbicides in water, and has very strong practicability.

The application provides a reticular organic polymer, a preparation method, a battery positive electrode and a water-based zinc-organic battery, and belongs to the technical field of chemical power sources. The preparation method of the reticular organic polymer comprises the following steps: uniformly mixing 2,6-diaminoanthraquinone and 2,4,6-triformylphloroglucinol in N-methylpyrrolidone (mass ratio 1:(0.1-5.9):(10-100)) and reacting at a preset temperature, and then filtering, washing and vacuum drying to obtain the reticular organic polymer. The battery positive electrode and the water-based zinc-organic battery are prepared by using the above reticular organic polymer. In the process of the electrochemical reaction of the battery, the reticular organic polymer can promote the high-kinetic H + coordination redox reaction with ultra-low activation energy, thereby overcoming the slow interfacial charge transfer of Zn 2+ ions due to high desolvation energy barrier, and being beneficial to the comprehensive improvement of the battery performance.