1662 results about "Organic polymer" patented technology

A core-shell particle having an organic polymer core which is completely covered by a first inorganic oxide shell, wherein the first inorganic oxide shell has a silica (SiO2), an alumina (Al2O3), or a titania (TiO2); wherein the first inorganic oxide shell has a layer of a magnetic material which is disposed directly on the polymer core; further having a mesoporous second inorganic oxide shell, wherein the mesoporous second inorganic oxide shell covers the first inorganic oxide shell; wherein the mesoporous second inorganic oxide shell has silica (SiO2), alumina (Al2O3), or a titania (TiO2).

The invention provides a silicon wafer and a preparation method thereof, and a solar cell and a preparation method thereof. The silicon wafer is provided with a first surface and a second surface which are opposite, the first surface is provided with a suede structure, and at least one part of the second surface is provided with an irregular hill-shaped structure. The preparation method of the silicon wafer comprises the following steps that acid etching is carried out on the first surface of the silicon wafer to be textured, then alkali texturing is carried out, so that a textured structure is formed on the first surface, and the textured structure can comprise a plurality of pyramid units; and immersing the silicon wafer subjected to alkali texturing into an alkali solution containing an organic polymer additive (such as polyoxyethylene), and finely adjusting the textured structure of the silicon wafer through etching of the alkali solution containing the organic polymer additive so as to form at least one concave part with a light trapping effect on at least one tower surface of the pyramid unit. The silicon wafer and the solar cell not only have excellent light trapping performance, but also do not affect the subsequent passivation effect, thereby effectively improving the current and efficiency of the solar cell.

The invention relates to the field of ceramic materials, in particular to a high-temperature-resistant composite ceramic material and a preparation method thereof.The high-temperature-resistant composite ceramic material is prepared from, by weight, 80-100 parts of zirconium oxide, 10-20 parts of silicon carbide, 5-10 parts of aluminum nitride, 1-5 parts of a sintering aid and 5-10 parts of modified silicon powder; the modified silicon powder takes nano silicon powder as a core body, the core body is sequentially coated with a transition metal organic polymer and oxidized asphalt, and the prepared composite ceramic material is good in mechanical strength and excellent in high temperature resistance and has important application value in the field of aerospace.

The invention relates to the field of electromagnetic functional composite materials, and particularly discloses a multi-layer composite structure flexible frequency selective surface material and a preparation method thereof. The ultra-high molecular weight polymer fiber-reinforced polymer-based composite material thin-film mechanical enhanced band-pass frequency selection array sequentially comprises an acrylic acid polyvinylidene fluoride organic polymer coating environment-resistant layer, a metal oxide organic film isolation layer, an ultra-high molecular weight polymer fiber-reinforced polymer-based composite material thin-film mechanical enhanced layer, a band-pass frequency selection layer and a packaging protection layer from top to bottom, and the band-pass frequency selection layer is a hexagonal / circular ring nested band-pass frequency selection pattern array. The packaging protection layer is formed by printing a conductive coating composed of conductive filler / polymer resin matrix, and the packaging protection layer is an ink coating. The flexible frequency selective surface material has the characteristics of light weight, high strength, salt fog / rain / ultraviolet and other severe environments, frequency selective wave transmission and multiple functions, has good gas barrier property, is beneficial to maintaining the shape of an inflatable hangar made of a skin and ensuring normal operation of radar equipment, and has good practical engineering application value.

The invention discloses preparation and application of an organic-inorganic interface layer modified zinc negative electrode. The preparation method comprises the following steps: firstly, dispersing organic polymer polylactic acid and zinc sulfide powder into tetrahydrofuran, then coating the surface of zinc foil with the dispersed solution, and drying a solvent at 70 DEG C, so as to prepare the zinc negative electrode modified by an organic-inorganic interface layer. According to the interface layer, zinc ion deposition is regulated and controlled, and the problem of zinc dendrite growth is solved. In addition, the polylactic acid-zinc sulfide composite coating can effectively improve the redox kinetics of zinc ions and improve the coulombic efficiency of the zinc negative electrode. Due to the good ionic conductivity, the interface modification layer can improve diffusion of zinc ions, and the polarization influence caused by the concentration gradient of the zinc ions is relieved. Therefore, the prepared polylactic acid-zinc sulfide composite interface layer modified zinc negative electrode symmetric battery has more excellent cycling stability, the half battery has more stable coulombic efficiency, and the assembled total battery has more prominent capacity retention rate.

The invention discloses a composite water purifying agent based on polyaluminum ferric sulfate. The preparation process comprises the following steps: 1, reacting ferrous sulfate heptahydrate, aluminum sulfate, sodium chlorate, phosphoric acid and the like to prepare a polyaluminum ferric sulfate solution; 2, mixing the modified polyacrylamide solution with the polyaluminum ferric sulfate solution for reaction to obtain a composite system; and step 3, adding acidic ochre soil into the composite system to obtain the composite water purifying agent. The preparation method has the beneficial effects that a modified monomer is prepared through organic synthesis, and the modified monomer is copolymerized with monomers such as acrylamide to prepare modified polyacrylamide; then, the organic polymer is compounded with a polyaluminum ferric sulfate solution and acidic ochre soil, and an inorganic-organic-mineral ternary water purification system is constructed; the composite water purifying agent has the high-efficiency electricity neutralization capability of an inorganic flocculating agent, the bridging flocculation effect of organic macromolecules and the adsorption performance of minerals, and shows excellent flocculation and sedimentation effects and pollutant removal capability.

The invention belongs to the technical field of supercapacitor materials, and particularly relates to a coal-based porous carbon material and a preparation method and application thereof. In order to solve the problems of safety, batch stability and easy formation of a pore structure in a process for preparing porous carbon from coal, the method comprises the following steps: firstly, carrying out mixing and kneading treatment on fine-particle raw material coal and a liquid-phase doping agent, and then carrying out drying-low-carbon integrated treatment on the mixture; then activating the low-carbon material at a high temperature by means of water vapor, and then performing refined pore-forming on the cavity structure at a high temperature by means of carbon dioxide gas; after the activation reaction is finished, carrying out impurity removal treatment on the activated material with the high specific surface area by virtue of an acid-base solution; and depositing a layer of organic polymer on the surface of the purified material by adopting an atomic layer deposition technology, and forming a passivation layer on the polymer layer by virtue of high-temperature treatment, thereby obtaining the coal-based porous carbon material with stable performance and structure, and further applying the coal-based porous carbon material to the negative pole piece of the supercapacitor.

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 invention provides a manufacturing method of a metal conductive structure and a manufacturing method of a semiconductor device, and the method comprises the steps: forming a carbon-containing organic polymer inner side wall on the side wall of an opening of a dielectric layer before the over-etching of the dielectric layer on a metal layer; the metal fluoride residue generated in the over-etching stage cannot be directly contacted with the side wall of the dielectric layer in the opening, so that the patterned photoresist layer on the dielectric layer and the carbon-containing organic polymer inner side wall at least positioned at the upper part of the side wall of the opening are removed; the gap can be formed between the metal fluoride residue and the side wall of the dielectric layer in the opening, and finally the purpose of weakening the binding force of the metal fluoride residue and the dielectric layer is achieved, so that the metal fluoride residue is easy to remove in the cleaning process after etching, and the adverse effect of the metal fluoride residue on the reliability of the device can be avoided.

The invention provides an imine covalent organic polymer and a preparation method thereof, a negative electrode material and a potassium ion battery. The preparation method comprises the following steps: carrying out first mixing on raw materials including a carbonyl-containing first organic compound, an amino-containing second organic compound and a dispersion liquid to obtain a mixed liquid; carrying out in-situ polymerization reaction on the mixed solution to obtain an imine covalent organic polymer; wherein the first organic compound is nitro-substituted or non-substituted pyrene-4, 5, 9, 10-tetraketone; the second organic compound is selected from any one or more of C6-C12 aromatic amine compounds, C6-C12 heteroaromatic amine compounds and amino-substituted C4-C6 cyclic compounds, and the number of amino groups in each molecule of the second organic compound is greater than or equal to 2. The covalent organic polymer obtained by the preparation method can solve the problem that the structure is easily stacked and is easily dissolved in electrolyte to be damaged when the covalent organic polymer is used as a negative electrode material.

The invention belongs to the technical field of organic polymer materials, and particularly discloses a high-toughness, high-strength and high-temperature-resistant organic silicon resin coating and a preparation method thereof.The organic silicon resin coating takes hyperbranched polysiloxane, organic silicon resin and filler as main components, the mass ratio of the hyperbranched polysiloxane to the filler is (0.01-0.05): 1, and the organic silicon resin and the filler are mixed uniformly. The mass ratio of the filler to the organic silicon resin is (3-6): 1. In the preparation process, siloxane and dihydric alcohol react to synthesize hyperbranched polysiloxane, then the hyperbranched polysiloxane is mixed with organic silicon resin, filler and the like and then sprayed to a target matrix, and finally the coating is formed through a stepped heating curing process. The coating provided by the invention effectively realizes synergistic enhancement of mechanical properties and heat resistance, successfully overcomes the technical bottlenecks of difficult high-temperature curing, hard and brittle texture, easy cracking, poor heat stability and the like of the traditional organic silicon resin coating, and is especially suitable for the application field with strict requirements on mechanical properties and heat resistance.

The invention relates to a method (100) for manufacturing a photocatalytic multi-component fiber including the following steps:Supplying a support mixture (110), including at least one thermoplastic polymer;Supplying an active mixture (120), including:at least one organic polymer,at least one photocatalyst at a concentration of at least 10% by weight relative to the weight of active mixture,at least one coupling agent resistant to oxidation,Spinning (130) a multi-component fiber from support and active mixtures;Eliminating (160) the at least one organic polymer on the surface of the multi-component fiber so as to generate a photocatalytic multi-component fiber.The invention also relates to a multi-component fiber, a textile and a filter.

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.

Provided is a porous separator selected from (a) to (c). (a) Porous membranes containing hydrophilic inorganic particles, an aromatic porous support, and an organic polymer including a hydrophilic organic polymer that has a sulfo group and / or a carboxy group and has an acid value of 0.3 mmol / g or higher; (b) porous membranes containing no porous support and containing hydrophilic inorganic particles and an organic polymer including a hydrophilic organic polymer that has a sulfo group and / or a carboxy group and has an acid value of 0.3 mmol / g or higher, the hydrophilic inorganic particle content of said porous membranes being 10 mass% or greater; (c) porous membranes containing no hydrophilic inorganic particles and containing an aromatic porous support and an organic polymer including a hydrophilic organic polymer that has a sulfo group and / or a carboxy group and has an acid value of 0.3 mmol / g or higher.

The invention discloses a preparation method and application of an organic polymer solid electrolyte composite additive. According to the preparation method, a poly (ethylene glycol) diacrylate-mercaptopropyl trimethoxy silane-Li6PS5Cl composite additive material is prepared by adopting a click chemistry reaction; functional groups at two ends of a mercaptopropyl trimethoxy silane molecule are respectively coupled with chemical bonds of polyethylene glycol diacrylate and Li6PS5Cl inorganic electrolyte to construct a stable bonding interface of organic matrix-silane coupling agent-inorganic matrix under the action of chemical bond valence force. The problems that traditional inorganic additives are serious in particle aggregation, poor in compatibility with a polymer solid electrolyte body interface and the like are solved, and by starting with the stability of the internal interface of the additives and construction of ion channels, the organic polymer solid electrolyte is prepared by means of defect regulation and control between organic polymer functional groups and the inorganic additives. The interfacial compatibility and the efficient and rapid ion transmission capability of the material are obviously improved. According to the invention, efficient ion transmission and long-acting cycle stability of an internal interface of the organic polymer solid electrolyte can be realized.

The invention relates to the technical field of organic polymers, and discloses a special copolyester for a high-speed stretch film and a preparation method thereof.The special copolyester is prepared from, by mass, 50-60 parts of terephthalic acid, 20-30 parts of ethylene glycol, 5-20 parts of a polymerizable eutectic solvent, 0.02-0.03 part of a catalyst and 0.002-0.003 part of a stabilizer; the copolyester is prepared by polymerizing terephthalic acid, ethylene glycol, the polymerizable eutectic solvent, the catalyst and the stabilizer, and the polymerizable eutectic solvent has relatively high conductivity after polymerization, so that the melt resistivity of the polyester can be improved, and the toughness and transparency of the polyester can be improved; the problems of polyester crystallization and yellowing caused by electrostatic agents such as metal compounds can be avoided; the copolyester is low in melt resistivity, simple and feasible in preparation method and suitable for high-speed film drawing production.

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.

The invention relates to the technical field of organic polymer adhesives, and particularly discloses a modified castor oil-based polyurethane adhesive as well as a preparation method and application thereof. The adhesive comprises two components, and the component A comprises the following components in parts by weight: 30.0-50.0 parts of modified castor oil and 0.0-30.0 parts of refined castor oil; the component B is prepared from the following components in parts by weight: 30.0 to 50.0 parts of polyisocyanate or a polyisocyanate modifier and 0.00 to 0.05 part of a dewatering agent; the modified castor oil is prepared from refined castor oil and cysteamine through a sulfydryl-alkene addition reaction. Amido of the modified castor oil is alkalescent, and the reaction speed of the modified castor oil and isocyanate groups is high; hydrogen bonds are easily generated between urea bonds generated by the reaction of amino groups and isocyanate groups, so that the adhesive is endowed with thixotropy and high strength. The adhesive disclosed by the invention is simple in composition, high in reaction speed and good in thixotropy and bonding strength.

The invention discloses a low-temperature-resistant organic silicon elastic damping body and a preparation method thereof, and belongs to the field of synthesis of organic polymer materials. The invention relates to a high-efficiency photoinitiator, which is prepared from the following ingredients in parts by weight: 95 to 110 parts of fluorosiloxane-phenylsiloxane segmented copolymers, 25 to 35 parts of boric acid ester end-capped polyurethane prepolymers, 10 to 15 parts of neodymium-containing metal organic frameworks, 20 to 40 parts of azobenzene modified CNT / TiO2, 2 to 4 parts of photoinitiators 1173 and 2 to 3 parts of neodymium acetylacetonate. Ultralow-temperature adaptability, self-repairing and high-modulus coexistence and wide-temperature-range damping stability are achieved through fluorosilicone / phenyl block copolymer molecular design, a borate-neodymium coordination double-dynamic network, stress response filler and a light-heat gradient curing process. The low-temperature-resistant organic silicon elastic damping body prepared by the invention provides a new solution idea for an extreme environment damping material, and has a wide application prospect.

The invention provides a special flame-retardant PC / ABS alloy material for a high-heat-resistant power battery accessory and a preparation method of the special flame-retardant PC / ABS alloy material, and relates to the technical field of high polymer materials. According to the invention, PC and ABS with specific indexes are selected to improve the strength and heat resistance of the basic resin. Three combustion improvers with different flame-retardant mechanisms and an activated 4A molecular sieve are used as auxiliary flame-retardant synergists, so that the effect of the auxiliaries is exerted to the greatest extent, the total addition amount is reduced, and the loss of material performance is reduced; the heat resistance of the material is enhanced by matching the organic polymer heat-resistant agent and the inorganic nanoparticles, and the heat deformation temperature and the vicat softening point are improved by a relatively low addition amount. Compared with a general grafting toughening agent and an MBS toughening agent, the impact-resistant toughening agent with a core-shell structure of an organic silicon system is selected, so that the low-temperature impact resistance and the weather resistance are more excellent, the synergistic effect on a flame-retardant system is good, and the material is endowed with a good appearance.

The invention discloses a preparation method of an iron-containing furnace charge for a blast furnace. The method comprises the following steps: uniformly mixing an iron-containing raw material with a bonde-1 (containing an organic polymer binder, an active calcium-based substance and an active iron-based substance), then adding a bonde-2 (containing silica sol and water glass) and water, and further uniformly mixing to obtain a mixture; carrying out compression molding on the mixture to obtain a wet block mass; and drying and solidifying the wet block mass to obtain the iron-containing furnace charge. According to the method, by using the special multifunctional binder, efficient forming, rapid consolidation and clean low-carbon preparation of the blast furnace burden from the iron-containing burden can be achieved, the obtained blast furnace burden meets the performance requirements of the blast furnace burden, and the method has important practical significance for achieving the double-carbon strategy in the iron and steel industry.

The invention belongs to the related technical field of flexible electrodes, and discloses a preparation method, a product and application of a high-temperature-resistant flexible metallized ceramic nanofiber composite electrode. The method comprises the following steps: carrying out electrostatic spinning on electrostatic spinning sol doped with an organic polymer to obtain a precursor of a flexible ceramic nanofiber membrane; carrying out primary high-temperature calcination on the precursor to remove the doped organic polymer so as to obtain a flexible ceramic nanofiber membrane; growing and coating a metal conductive layer on the surface of the flexible ceramic nanofiber membrane to obtain an electrode precursor; and carrying out secondary high-temperature calcination on the electrode precursor to obtain the required composite electrode. The invention also discloses a product obtained by the preparation method and application. According to the invention, the problem that the flexible sensor is not resistant to high temperature is solved.

The invention discloses an inorganic sepiolite nanofiber prepared from epoxy grafted modified sepiolite, and the structural formula of the inorganic sepiolite nanofiber is shown in the specification, wherein R represents a group of epoxy resin; the sepiolite is subjected to multiple modification, so that the specific surface area of the sepiolite is increased, and the stability, dispersity and compatibility of the sepiolite in an organic polymer are improved. The surface of the modified sepiolite has rich epoxy groups, when the sepiolite is used for a waterborne epoxy coating, epoxy on the surface of the modified sepiolite and waterborne epoxy can be reacted and combined together as long as a curing agent is added, the binding force of the sepiolite and the epoxy is further enhanced, the modified sepiolite is dispersed more uniformly in the demulsified epoxy, and the enhancement effect is better. And the modified sepiolite can also be directly used as a coating, only the curing agent needs to be added at the moment, and the curing agent can react with epoxy grafted with the modified sepiolite to form a consolidated sepiolite fiber network.

The invention relates to a stainless steel-based anode membrane electrode loaded with a covalent organic framework as well as a preparation method and application of the stainless steel-based anode membrane electrode. The stainless steel-based anode membrane electrode comprises a stainless steel substrate and a covalent organic framework layer grown on the stainless steel substrate in situ, the covalent organic framework layer forms coordinate bonds with nitrogen atoms in the covalent organic framework layer through Fe, Ni and Cr metal elements dissolved out of the stainless steel substrate, and a honeycomb-shaped three-dimensional structure is constructed. During preparation, metal in the substrate is induced to be dissolved out at high temperature through a hydrothermal method and forms coordinate bonds with the porous organic polymer material, so that the metal grows on the surface of the stainless steel substrate, and a honeycomb-shaped three-dimensional structure is constructed. Compared with the prior art, the invention has the advantages of favorable electrolyte mass transfer performance, higher reaction bubble desorption speed and higher catalytic activity and stability, and can be used in the alkaline seawater electrolysis OER process.

The invention discloses an artificial SEI film coated graphite negative electrode material and a preparation method and application thereof, and belongs to the technical field of lithium ion battery negative electrode materials. The preparation method comprises the following steps: heating and oxidizing graphite in mixed gas of air and nitrogen, and cooling to obtain oxidized and etched graphite; then dispersing the oxidized and etched graphite in a solvent, adding methyl methacrylate and graphene, stirring and initiating an in-situ polymerization reaction, and forming a doped coating layer on the oxidized and etched graphite; and finally, carrying out vacuum drying on the coated oxidized and etched graphite, and cooling to obtain the artificial SEI film coated graphite negative electrode material. The specific surface area of graphite is increased through oxidation etching, the ion diffusivity is improved, the combination effect of the organic polymer is improved, the first efficiency of the negative electrode material is remarkably improved by combining the synergistic effect of the conductive polymerized organic matter and graphene, and the conductivity, the structural stability and the interface compatibility are enhanced.

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 discloses a porous organic polymer material, a preparation method of the porous organic polymer material and application of the porous organic polymer material in CO2 adsorption and photocatalytic preparation of H2O2, and belongs to the technical field of organic framework materials. The porous organic polymer material is prepared by the following method: adding a compound A and benzo [1, 2-B: 3, 4-B ': 5, 6-B'] trithiophene-2, 5, 8-trialdehyde into a solvent, and uniformly mixing; then adding a catalyst, and carrying out polymerization reaction under the condition of inert gas to obtain a polymerization reaction product; and washing and drying the reaction product to obtain the porous organic polymer material. The porous organic polymer material prepared by the invention is novel in structure, not only has excellent photoinduced charge separation and transmission efficiency, shows better advantages in the aspect of photocatalytic preparation of H2O2, but also has excellent CO2 adsorption performance, thereby having important value and significance for further expansion and application of organic framework materials.