256 results about "Oragene" patented technology

The invention discloses a composite polyacrylamide flocculant based on a nano core-shell structure as well as a preparation method and application of the composite polyacrylamide flocculant. The composite polyacrylamide flocculant is a core-shell structure composite material which takes inorganic nanoparticles grafted with carbon-carbon double bonds on the surface as a core and takes a polyacrylamide copolymer as a shell; the polyacrylamide copolymer is prepared from the following components in parts by mass: 70 to 90 parts of acrylamide, 10 to 30 parts of functional monomer and 0.1 to 1.0 part of cross-linking agent. The basic conception of the flocculating agent provided by the invention is that the structural design of inorganic nano core-organic polymer shell is adopted, PAM molecular chains firmly grow on the surfaces of nano particles in a chemical grafting manner, high dispersion and functional synergy of nano units are realized, and the obtained product has the characteristics of high flocculation speed, dense floc, high removal efficiency and the like, and has a wide application prospect. The method is especially suitable for deep treatment of difficult-to-treat industrial wastewater such as oil-containing wastewater, dye wastewater and heavy metal wastewater.

The invention discloses a macrocyclic covalent organic polymer material for inhibiting a pi-pi stacking effect and application of the macrocyclic covalent organic polymer material, and belongs to the technical field of biological medicines. The preparation method comprises the following steps: adding 5, 10, 15, 20-tetra (4-ethynylphenyl) copper porphyrin and a macrocyclic monomer into an organic solvent in a protective atmosphere, and carrying out solvothermal reaction in the presence of a catalyst and alkali to obtain the macrocyclic covalent organic polymer material. According to the invention, 5, 10, 15, 20-tetra (4-ethynylphenyl) copper porphyrin and a macrocyclic monomer form a porous polymer MCP-CU-POP, the material utilizes the photo-thermal capability to combine the effects of simulated photo-thermal (PTT), photodynamic (PDT), peroxidase (PODs) and glutathione peroxidase (GSH-Px) to perform synergistic antibiosis, and the inherent characteristics of an infected microenvironment can also be utilized to induce death of bacteria, so that the antibacterial property of the material is greatly improved, and the antibacterial property of the material is greatly improved. And the microenvironment of the bacterial infection part can be adjusted, so that the recovery of the bacterial infection wound can be obviously accelerated.

The invention discloses an artificial SEI material and a preparation method thereof, an artificial SEI film and an artificial SEI film modified negative electrode. The artificial SEI material is an organic polymer brush (CNF-g-PSSX) prepared by grafting cellulose nanofibers with polystyrene sulfonate. The polymer brush is of a crystal structure and has a firm framework; and the side chain of polystyrene sulfonate has rich-SO3 functional groups which are matched with cations in sulfonate, so that a rapid ion transmission channel is provided, high-current-density circulation can be realized, and good interface contact is ensured. Due to a special molecular topological structure and a multi-component synergistic effect, when the organic polymer brush forms an artificial SEI film, high mechanical strength, high ionic conductivity and low interface impedance can be obtained at the same time, and through strong electrostatic repulsion between a negatively charged-SO3 group and the surface of a negatively charged lithium dendrite tip, the electrochemical performance of the artificial SEI film is improved. An obvious inhibition effect is shown on the continuous growth of dendritic crystals.

The present invention discloses a method for preparing highly dispersible submicron spherical palladium powder. The method comprises the following steps: first, weighing solid palladium nitrate and dissolving it in dilute nitric acid to prepare a dilute palladium nitrate solution; then dissolving a reducing agent in deionized water to obtain a reducing solution; then weighing a dispersant and an additive and dissolving them in deionized water to obtain a mixed base solution; and then mixing the three to obtain a reaction slurry containing palladium powder. The mixture is then filtered, washed, and dried to obtain submicron spherical palladium powder particles. The present invention adopts a liquid phase reduction method to reduce the palladium nitrate solution with ascorbic acid or hydrazine hydrate as a reducing agent to prepare the submicron spherical palladium powder. An organic polymer dispersant and a small molecule alcohol additive are simultaneously added to the base solution in a symmetrical manner. While ensuring the yield of palladium powder, the particle growth process and dispersibility are well controlled. The prepared palladium powder particles are spherical and highly dispersed, with a particle size of 100 to 600 nm.

The invention discloses a polyamine type porous polymer as well as a preparation method and application thereof, and belongs to the technical field of synthesis of porous organic polymers. The specific method comprises the following steps: dispersing beta-mercaptoethylamine, a photoinitiator and a porous framework polymer with carbon-carbon double bond connection in a polar organic solvent; under the ultraviolet light initiation condition, the photoinitiator excites beta-mercaptoethylamine to generate sulfydryl free radicals, and the sulfydryl free radicals and the porous framework polymer with carbon-carbon double bond connection are subjected to an addition reaction; and washing and drying the product after the addition reaction to obtain the amino-modified polyamine porous polymer. The preparation method provided by the invention is rapid in reaction, extremely high in reactant utilization rate and simple in post-treatment, and the prepared polyamine type porous polymer has rich adsorption sites, good stability and excellent carbon dioxide adsorption performance, and can be applied to the field of carbon capture and the like.

A TPC-OTBS n-hexane solution is added to a mixture of TPC-OSO2F, DMF, and DBU and allowed to stand to produce a crosslinked solvent gel; the crosslinked solvent gel is added to methanol, stirred, and dried to produce the porous crosslinked material. The gel acquired can be prepared into a pore-rich solid porous organic polymer material by means of solvent exchange. SEM and TEM are used to characterize the surface and internal morphologies of the solid material, and the porous morphology thereof is discovered, with large pores being the majority. Infrared and nuclear magnetic resonance are used to characterize the structure of a crosslinked polysulfate; the complete reaction of a sulfuryl fluoride group is proven by means of solid-state fluorine nuclear magnetic resonance spectroscopy and XPS element analysis; and the porous structure of the crosslinked polysulfate allows same to be provided with improved application prospect in terms of adsorption.

The invention discloses a ZnO / PES mixed matrix ultrafiltration membrane and a polyaniline-ZnO / PES mixed matrix nanofiltration membrane as well as a preparation method and an application of the ZnO / PES mixed matrix ultrafiltration membrane and the polyaniline-ZnO / PES mixed matrix nanofiltration membrane. PES is used as an organic polymer, PEG1500 is used as a pore-foaming agent, ZnO is used as a nano filler, and the ZnO / PES composite ultrafiltration membrane is prepared through a non-solvent induced phase inversion method. The preparation method comprises the following steps: synthesizing a polyaniline coated ZnO nano composite material, blending zinc nitrate hexahydrate in ammonia water with a polyaniline solution to form a nano composite structure, and preparing the polyaniline-ZnO / PES mixed matrix nanofiltration membrane by taking the synthesized nano composite particles as a filler. According to the mixed matrix membrane technology, alkali and lignin in the black liquor can be directly recovered, compared with alkali recovery through a combustion method, the mixed matrix membrane technology has the advantages of being easy to operate, not complex in process, low in investment cost, small in occupied area, low in energy consumption, good in environmental compatibility and the like, and meanwhile subsequent high-valued comprehensive utilization can be conducted on lignin.

The invention provides a preparation method of an organic polymer photocatalyst and application of the organic polymer photocatalyst in the aspect of photocatalytic synthesis of nitric acid (HNO3) by directly taking nitrogen (N2) and oxygen (O2) as raw materials in water, and additional reagents do not need to be added. It is worthy of notice that the organic polymer photocatalyst (PyOP) shows excellent photocatalytic performance. When O2 is subjected to photocatalytic reduction, the yield of hydrogen peroxide (H2O2) reaches 10147.5 [mu] mol g <-1 > cat, and meanwhile, 672.8 [mu] mol g <-1 > cat of HNO3 can be synthesized by directly utilizing N2 and O2. The preparation method of the photocatalyst provided by the invention is simple, the raw materials are easy to obtain, the preparation cost is low, a metal-free photocatalytic platform only using H2O, N2 and O2 is constructed, and the photocatalyst is used for green and sustainable nitric acid production.

The invention relates to the technical field of water treatment, and discloses a silicon powder conditioner and a preparation method thereof, the silicon powder conditioner comprises 20-40% of an inorganic coagulant, 5-15% of an organic polymer coagulant, 3-10% of a natural polymer coagulant aid, 10-25% of a demulsifier, 2-8% of a synthetic coagulant aid, and the balance of water. The demulsifying agent is compounded with various coagulants and coagulant aids, the demulsifying agent preferentially destroys an oil-water interfacial film, releases wrapped silicon powder and eliminates the'colloid protection 'effect of oil stains on the surface of the silicon powder, and the inorganic and organic coagulants rapidly perform electrical neutralization and adsorption bridging on exposed silicon powder particles to form floc which is good in settling performance and easy to filter. Meanwhile, the inorganic coagulant provides positive charges and efficiently neutralizes the microfine silicon powder with negative charges; cPAM with high molecular weight and PDADMAC with strong cations form long-chain bridging and patching effects, so that fine particles with the particle size of 1-5 microns are specially captured, and meanwhile, larger-particle silicon powder is improved to form floc which is easy to filter; the natural polymer further increases the volume and density of the floc, and prevents the floc from being broken under shearing.

The application relates to an organic polymer for rapid detection and degradation of mercury ions, and belongs to the technical field of preparation and application of organic functional materials. The structural formula of the organic polymer is shown as formula (IV); the luminescence performance of the polymer is derived from a conjugated organic polymer skeleton, and the recognition function for mercury ions is derived from a sulfur hydrocarbon chain embedded in the organic polymer skeleton. The polymer has high chemical stability and thermal stability, and can be repeatedly used for multiple cycles. The organic polymer is used for detecting and degrading mercury ions, and has the advantages of simple operation, low cost, short detection and degradation time, real-time detection, field detection and the like, and is easy to popularize and apply.

The present invention discloses a covalent organic polymer fluorescent probe, and the preparation method is as follows: 2,7-dibromopyrene and 1,2,3,4,5,6-hexa(4-bromophenyl)benzene are added to an organic solvent to dissolve, a Ni(0) catalyst is added, and the reaction is heated overnight. After the reaction is completed, it is cooled to room temperature, an HCl aqueous solution is added, the resulting precipitate is filtered, and washed with an organic solvent to finally obtain the covalent organic polymer fluorescent probe. The fluorescent probe is synthesized by a nickel-catalyzed Yamamoto reaction, has a significant quenching effect on nitro explosives containing OH groups, can be observed with the naked eye to have a significant color change, has high sensitivity, and has a low detection limit; and has no significant response to nitro explosives containing OH groups. Therefore, this fluorescent probe can be used as a specific fluorescent probe for highly selective detection of nitro explosives containing OH groups.

The invention belongs to the field of functional porous materials, and particularly relates to novel N, S polycyclic aromatic hydrocarbon molecules and preparation thereof, preparation of porous organic porous polymer gel constructed by using the polycyclic aromatic hydrocarbon molecules and application of the porous organic porous polymer gel in photocatalytic water oxidation to generate hydrogen peroxide. The invention provides an N, S polycyclic aromatic hydrocarbon molecule which has a structural formula as shown in a formula I. The invention provides a novel N, S polycyclic aromatic hydrocarbon molecule and a synthesis method thereof. The porous organic polymer gel is synthesized by taking the porous organic polymer as a construction unit, and the synthesized gel has excellent processability and photoelectric activity, so that the gel shows an excellent rate of preparing hydrogen peroxide through photocatalytic water oxidation when being used as a photocatalytic material.

The invention discloses a phenazine-based electrochemical electrode material as well as a preparation method and application thereof. The phenazine-based electrochemical electrode material is an organic small molecule material or an organic polymer which contains nitrogen, has a conjugated structure and can be subjected to electrochemical oxidation-reduction reaction. The phenazine-based electrochemical electrode material disclosed by the invention can be applied to selective separation and extraction of ions, can be used for selective extraction and separation of target ions in a multi-ion complex solution, and can be used for extracting valuable element ions step by step at high performance; the extraction method has the advantages of high ion extraction capacity, low cost, simple process and high element separation and extraction efficiency, is environment-friendly, can realize efficient development and comprehensive utilization in the fields of salt lake resources, marine resources, industrial sewage and wastewater recycling, seawater desalination and the like, and has a better industrialization prospect.

The invention belongs to the technical field of electrochemical energy storage, and relates to a magnetron sputtering preparation method and application of a solid electrolyte hydrophobic interface layer. 2, depositing a hydrophobic coating, namely depositing the hydrophobic coating on one side surface or two side surfaces of the electrolyte matrix by adopting radio frequency magnetron sputtering to form a hydrophobic interface layer; the coating material of the hydrophobic coating comprises an organic polymer or an inorganic nano material, the organic polymer comprises PTFE (polytetrafluoroethylene), PDMS (polydimethylsiloxane) and FAS-17, and the inorganic nano material comprises Si3N4 and NiCrN; the compact and uniform hydrophobic coating is deposited on the surface of the garnet-type, sulfide-based or halide-based solid electrolyte membrane, so that the environmental stability and the interface electrochemical performance of the solid electrolyte material are remarkably improved, and the problems that the current solid electrolyte is easy to absorb moisture in air, unstable in structure, poor in interface contact and the like are effectively solved.

The invention discloses a multi-stage leaching purification method of a targeted therapeutic drug. The multi-stage leaching purification method comprises the following steps: sequentially filling an adsorption column with a porous organic polymer layer and an adsorption ball layer; controlling the flow rate of the leacheate and the column temperature for leaching, and setting an adsorption saturation threshold value; carrier gas is adopted to heat and desorb the porous polymer layer, and carrier gas components are switched to heat and desorb the adsorption ball layer; the method comprises the following steps: introducing carrier gas carrying iodine vapor into an alkaline absorption tower to treat waste gas, eluting impurities of adsorption balls by adopting an acidic mixed solution, and performing catalytic degradation by combining ultraviolet light; a chelating agent solution is used for regenerating adsorption balls, a silver salt solution is used for heavily loading silver ions, an organic solvent is used for eluting and regenerating a porous polymer, regular calibration and part replacement are conducted on a system, and organic pollutants and radionuclides in a matrix are difficult to treat synchronously through a traditional single-layer adsorption material; according to the leaching purification method, the generation amount of radioactive waste liquid is remarkably reduced, and meanwhile the shielding protection requirement of the follow-up purification step is reduced.

The invention relates to an oil-water separation membrane as well as a preparation method and application thereof, and belongs to the field of gas field brine pretreatment. The oil-water separation membrane comprises a nanofiber membrane substrate and an MOFs layer loaded on at least part of the surface of the nanofiber membrane substrate, and the MOFs layer comprises two-dimensional MOFs nanosheets; the nanofiber membrane substrate is prepared by performing electrospinning on three-dimensional MOFs and an organic polymer; the two-dimensional MOFs nanosheet is obtained by secondary growth on the surface of the nanofiber membrane substrate through hydrothermal recrystallization. The oil-water separation membrane can be used for efficiently separating petroleum pollutants and solid suspended matters in the oil and gas field produced wastewater, and can be coupled with an advanced oxidation process based on sulfate free radicals to realize synchronous and efficient removal of oil, suspended particles and organic matters in the oil and gas field produced wastewater.

The present invention discloses a photocatalyst for the regeneration of coenzyme NADH and a preparation method thereof, wherein the photocatalyst is a donor-π-acceptor type conjugated organic polymer, with a triazine-based ligand as an acceptor unit and a heterocyclic ligand as a donor unit, wherein the molar ratio of the triazine-based ligand to the heterocyclic ligand is 1:(1-2), the triazine-based ligand raw material selects 2,4,6-trimethyl-1,3,5-triazine, and the heterocyclic ligand raw material selects a heterocyclic diformaldehyde containing a furan or thiophene structure. The photocatalyst is prepared by a solvothermal method through a Knoevenagel aldol condensation reaction, the reaction solvent selects a mixed solvent of n-butanol and o-dichlorobenzene or a mixed solvent of mesitylene and 1,4-dioxane, and the catalyst used in the reaction selects at least one of trifluoroacetic acid, potassium hydroxide, 1,8-diazabicycloundecane-7-ene, sodium hydroxide, and cesium carbonate. The developed photocatalyst has a donor-π-acceptor type conjugated structure, and has high catalytic activity, high selectivity, good stability, and easy separation and recovery for the regeneration of coenzyme NADH.

The invention discloses a magnet vane for a magnetomotive generator set and a preparation method of the magnet vane, belongs to the technical field of magnet vanes, and aims to solve the problems that an existing magnet vane is prone to generating large eddy-current loss, and stress on the inner side and the outer side is unbalanced due to the fact that the layers of the novel magnet vane are arranged to be horizontal planes. Through the multi-layer composite structure of the supporting layer, the magnetic conductive layer and the diamagnetic layer, the total magnetic conductivity can be increased, an effective impedance matching interface can be formed, and through the arrangement of the inclined plane, the cooperation with the nanometer glue for bonding, the stress distribution and the laminating effect of the lamination are optimized, so that the lamination quality is improved. The wave-absorbing film is formed by compounding nanoscale magnetic particles and light organic polymers, the wave-absorbing performance is guaranteed, the weight of the magnetism isolating plate is greatly reduced, the requirement for light weight of electronic equipment is met, magnetic through holes are formed in the periphery of the magnetism isolating plate in a circular array mode, the forming area of the magnetic through holes is in a kidney shape and is increased from inside to outside, and the magnetic through holes are formed in the periphery of the magnetism isolating plate in a circular array mode. The magnetic through holes have ventilation and heat dissipation functions and directionally guide a magnetic field at the same time, and energy waste is reduced.

The compounds disclosed herein (e.g., compounds having a structure according to Formula (I), (II), (III), (IV), and (V)) are polymers wherein an organic polymeric segment (e.g., a polyethylene glycol (PEG) group) comprises covalent attachments to two or more lipid substructures, and each lipid substructure independently comprises a hydrophobic moiety and a hydrophilic moiety. The compounds provided herein can be useful for delivery and expression of mRNA and encoded protein, e.g., as a component of liposomal delivery vehicle, and accordingly can be useful for treating various diseases, disorders and conditions, such as those associated with deficiency of one or more proteins.

The present invention relates to the field of organic polymers. Specifically disclosed is a method for predicting the properties of grafted polypropylene for a high-voltage power cable. In the method of the present invention, a property prediction model for grafted polypropylene is constructed on the basis of a multi-layer perceptron model and a random forest model. The model solves the defect that a conventional machine learning model mainly relies on a large amount of data and is not suitable for a small data set. Experimental data is used to quantitatively establish a relationship between a grafted structure and mechanical properties, the amount of data required is small, the data is easy to obtain, and the prediction accuracy is high, thereby providing a reliable grafted group for a grafted polypropylene material used for a high-voltage power cable.

The subject of the invention is a particulate made of particles comprising biochar particles impregnated with a tannin binder. The invention also relates to shaped objects and building materials obtained from a composition comprising an organic polymer and particulates, as well as to methods and uses relating to said particulates.

The application discloses a kind of graphdiyne multilayer composite membrane and preparation method thereof, belong to membrane separation and technical field.Porous base membrane with acetylenic group layer is obtained by two-step modification method, then it is immersed in solution containing graphdiyne monomer and catalyst, and reaction is carried out at a certain temperature, so that graphdiyne material is fully grown on the surface of porous base membrane.Then casting solution of organic polymer, crosslinking agent, catalyst and organic solvent is added to the surface of porous base membrane loaded with graphdiyne, and after the organic solvent is volatilized, it is cured into film at 80 DEG C.The preferential alcohol permeation membrane of the application has a three-layer film structure: organic polymer layer, ultrathin graphdiyne transition layer and porous support layer, effectively avoiding the agglomeration and pore penetration problem of nanomaterial, further strengthening the adsorption process of ethanol.The prepared membrane has high pervaporation alcohol permeation performance, can efficiently and stably recover alcohol, and provides a reference for the development of novel preferential alcohol pervaporation membrane structure.

The application belongs to the field of super-amphiphobic materials, and discloses a super-amphiphobic coated metal composite material based on a three-layer structure, which comprises, from bottom to top, a silanized metal substrate, an intermediate layer and a super-amphiphobic coating layer; the intermediate layer is formed by immersing and drying an emulsion of microcapsules dissolved in an organic polymer matrix solution, and the microcapsules are formed by wrapping photosensitizers and first SiO2 super-amphiphobic particles with a polymer matrix; the super-amphiphobic coating layer contains second SiO2 super-amphiphobic particles; the first SiO2 super-amphiphobic particles and the second SiO2 super-amphiphobic particles are nano-SiO2 modified by silane coupling agents and then modified by perfluoroalkyl silane. By introducing nano-SiO2 with low surface energy functional groups into the intermediate layer and the super-amphiphobic coating layer, and by designing the intermediate layer to be formed by drying microcapsules containing SiO2 super-amphiphobic particles dissolved in an organic polymer matrix solution, the surface of the composite material and the composite material after surface damage can still maintain the effects of being hydrophobic and oleophobic.

The invention relates to a polymer composition comprising a polyamide or polyester carrier polymer matrix in which special polymer particles are embedded, to a process for the preparation of this polymer composition, to the use thereof as laser inscription additive or laser welding additive in organic polymer compositions, and to a laser-inscribable or laser-weldable organic polymer composition comprising this polymer composition.

The application provides a perovskite superlattice, a preparation method and application in a nanoscale light emitting diode, and the preparation method comprises the following steps: S1, adding B raw materials, an organic ligand, a cosolvent and an organic polymer C into a solvent, and then heating in a vacuum environment to obtain a precursor 1; S2, adding A raw materials and a cosolvent into a solvent, and then heating in a vacuum to obtain a precursor 2; S3, heating the precursor 1 to a specified temperature in an inert gas atmosphere, mixing the precursor 2 with the precursor 1, and then reducing to room temperature at a set cooling rate, and then standing, centrifuging and cleaning to obtain a nanoscale perovskite superlattice; the organic polymer C is at least one of polymethyl methacrylate, low-density polyethylene, polyethylene, linear low-density polyethylene, polyvinylidene fluoride or isotactic polypropylene. The nanoscale light emitting diode has small size and high light emitting efficiency.

The application discloses a preparation method and application of a hydrophilic porous organic polymer based on fluoroborondipyrrin, and belongs to the technical field of photocatalytic materials. The application designs and prepares a hydrophilic porous organic polymer based on fluoroborondipyrrin by using a Friedel-Crafts reaction for cross-linking and modification after a sulfonation reaction, and modifies the hydrophilic porous organic polymer based on fluoroborondipyrrin by using a sulfonation modification strategy. The porous organic polymer after sulfonation has excellent hydrophilicity and photocatalytic performance, and can efficiently degrade organic pollutants in water. The application provides a high-performance porous organic polymer photocatalyst for degrading organic pollutants in wastewater, and provides a simple and feasible new method and new idea for design and development, performance improvement and practical application of photocatalysts.

The application belongs to the technical field of polymer materials and engineering, and discloses a preparation method of a phosphate cross-linked organic porous uranium extractant. A phenylacetylene is cross-linked with 1,4-dithioerythritol through a click chemistry reaction by using a photo-induced cross-linking method. Compared with common mercaptans, 1,4-dithioerythritol contains an adsorption group. The cross-linking reaction is carried out under the condition that the ratio is 1:3 and the light irradiation time is 1h. An organic polymer PCM with a porous structure is synthesized. After the synthesized polymer is subjected to Soxhlet extraction for 48h, the polymer is modified by phosphating with phosphorus oxychloride to prepare a porous polymer containing a phosphate group. After the synthesized polymer is subjected to Soxhlet extraction for 48h and is dried, a purple black powder P-PCM is obtained. The target polymer can be synthesized only through three steps of reactions. The polymer preparation is relatively simple under the photo-induced cross-linking, which is of great significance to improving the uranium adsorption capacity. The preparation is simple, the reaction is stable, the safety is high, and the cost is low through the click chemistry reaction.

The present application belongs to the technical field of self-repairing coating, and relates to a preparation method of a green photo-thermal super-hydrophobic self-repairing coating. The preparation method specifically comprises the following steps: step 1, polydopamine coating carbon black; step 2, carbon black silane modification; step 3, hybrid wall microcapsule preparation; step 4, silanized carbon black branch connection microcapsule; and step 5, mixed spraying. The present application synthesizes non-fluorinated low-surface-energy particles, adopts non-fluorinated super-hydrophobic carbon black branch connection modification microcapsule to prepare a photo-thermal super-hydrophobic self-repairing coating, the use of the non-fluorinated coating reduces cost and protects the environment; and the nano-composite coating is composed of nano-particle fillers and an organic polymer resin coating. In the coating, the branch connection carbon black endows the coating with excellent photo-thermal conversion capability to realize the deicing function, at the same time, the rupture of the microcapsule realizes the release of the dehydrated castor oil core material, and realizes the self-repairing of the damaged area of the coating, and the hydrophobic modification layer of the carbon black and the hybrid structure of the microcapsule together guarantee the super-hydrophobicity and durability of the coating.

The application discloses a guanidyl-sulfide covalent organic polymer for efficiently capturing iodine ions and a preparation method thereof, and relates to the technical field of iodine-containing wastewater treatment. The guanidyl-sulfide covalent organic polymer has a core structure of guanidyl and a sulfide group, and is formed by being connected through a strong covalent bond, and exhibits excellent chemical stability, thermal stability and radiation resistance, and is especially suitable for application requirements in extreme environments. Meanwhile, the unique N(+) cation in the guanidyl and the C-S-C bond in the sulfide cooperatively act, and the guanidyl-sulfide covalent organic polymer exhibits high removal efficiency and excellent selectivity for iodine ions in iodine-containing wastewater, and has a significant application prospect.