1967 results about "Pyrrole" patented technology

The invention belongs to the technical field of fiber materials, and particularly relates to a modified aramid nanofiber as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) preparing an aramid nanofiber dispersion liquid; (2) modifying the aramid nanofiber by using POSS; and (3) carrying out in-situ polymerization on polypyrrole on the surface of the aramid nanofiber. POSS (polyhedral oligomeric silsesquioxane) has a relatively large volume exclusion effect, the template effect of long-chain alkyl quaternary ammonium salt can be influenced by scattered adhesion of POSS on the surface of aramid nanofiber, uneven polymerization of pyrrole monomers is caused, and formation of a rough structure on the surface of the fiber is facilitated. According to the invention, the polypyrrole-coated aramid nanofiber with a coarse structure is used as a polyolefin modified material, so that the problem of low interfacial force existing in a common filler is solved, and the polyolefin resin composite material with high strength and antistatic property is obtained and can be widely applied to the fields of pipes, plates, grouting equipment parts, grouting bags and the like.

The invention belongs to the technical field of fuel cell electrode material preparation, and particularly relates to a carbon electrode material for a polypyrrole modified bio-based fuel cell and a preparation method of the carbon electrode material. Comprising the following steps: modifying rice hull low-temperature carbonized powder by sequentially adopting POSS (Polyhedral Oligomeric Silsesquioxane) containing unipolar functional groups and POSS containing polypolar functional groups to obtain modified low-temperature carbonized powder; and carrying out in-situ polymerization on a pyrrole monomer on the surface of the modified low-temperature carbonized powder, and carrying out high-temperature carbonization and hydrofluoric acid corrosion to obtain the polypyrrole modified bio-based fuel cell carbon electrode material. The polypolar functional group POSS not only is beneficial to the in-situ polymerization reaction of pyrrole, but also can form a continuous macromolecular chain, and a net structure is formed on the surface of the whole material. The effect of the unipolar functional group POSS is to improve the stability of the low-temperature carbonized powder in the high-temperature carbonization process, and more importantly, the unipolar functional group POSS is to provide a channel for subsequent hydrofluoric acid corrosion, etch away non-conductive substances and improve the conductivity and specific surface area of the carbon electrode material.

The invention discloses a preparation method and application of a conductive polypyrrole compound. The preparation method comprises the following steps: (1) preparing an emulsion system; (2) adding an oxidizing agent; (3) diluting and dropwise adding monomer pyrrole, and reacting for 6-24 hours; and (4) washing the product, and applying the product to preparation of the foamed conductive polyurethane foam. Comprising the following steps: 1, filtering a conductive polypyrrole compound; 2, carrying out synthesis post-treatment on the conductive polypyrrole compound; 3, effectively mixing the polypyrrole compound with a commercial polyurethane foaming component (firstly premixing with an isocyanate-containing component or a polyol-containing component, and then effectively mixing with another polyol-containing component or an isocyanate-containing component); and 4, carrying out one-time forming foaming to obtain the conductive product. The preparation method has the advantages that better dispersion can be realized by synthesizing the conductive polypyrrole compound which is microcosmically in a nano-scale dendritic shape, and the use amount of a conductive material is reduced; the foamed conductive polyurethane foam is simple and convenient to construct, can be foamed instantly, has high foaming rate, retains the original mechanical properties by more than 50%, and has good conductivity.

The invention belongs to the technical field of aerogel, and particularly relates to high-conductivity aerogel powder as well as a preparation method and application thereof. The preparation method comprises the following steps: firstly preparing a graphene / polypyrrole nanosheet composite material with a three-dimensional structure, and then preparing the polyimide / graphene / polypyrrole ternary hybrid conductive aerogel by taking a polyamide acid solution as a precursor through a solution dipping and freeze drying process. Polyimide is used as a framework of high-conductivity aerogel powder, excellent mechanical strength and structural integrity are provided, the common brittleness problem of a pure graphene carbon material or polypyrrole conductive polymer aerogel is solved, and the three-dimensional graphene / polypyrrole nanosheet composite material has excellent elasticity and toughness and can be used for preparing a composite material with high conductivity. The polyimide aerogel prepared by the method can be dispersed in a polyimide matrix as a nano reinforcement, can effectively transfer stress and prevent crack propagation, and endows the aerogel with higher mechanical properties.

The invention is suitable for the technical field of photocatalyst preparation, and provides a modified tubular g-C3N4 loaded Ni-CoP photocatalyst and a preparation method thereof. The preparation method comprises the following steps: calcining a carbon nitride precursor in stages to obtain tubular carbon nitride, stirring the tubular carbon nitride with a cobalt and nickel-containing compound and an alkaline compound, washing and drying to obtain a precipitate, calcining, mixing and grinding with a phosphorus-containing compound, calcining again, and modifying the product with polydopamine and polypyrrole to obtain the composite material. The photocatalyst modified by the polydopamine and the polypyrrole and loaded with the Ni-CoP by taking the tubular g-C3N4 as the carrier is obtained. According to the invention, three-in-one synergistic integration of'carrier-modifier-cocatalyst 'is realized, the prepared photocatalyst still keeps tubular morphology and has a larger specific surface area, the requirements of anode oxygen evolution reaction (OER) on rapid charge separation and transmission can be met, meanwhile, the light absorption range is widened, the solar energy utilization rate is increased, and a foundation is laid for efficient OER reaction.

The invention discloses a preparation method and application of a high-nitrogen-doped ordered mesoporous carbon supported copper catalyst, and belongs to the technical field of catalyst preparation. The preparation method comprises the following steps: by taking cane sugar and a copper-nitrogen complex as raw materials, SBA-15 as a template agent and sulfuric acid as a catalyst, carrying out equivalent-volume impregnation, low-temperature heat treatment, 800-900 DEG C high-temperature carbonization and nitric acid / hydrofluoric acid demolding to prepare pyrrole nitrogen enriched or pyridine nitrogen enriched high-nitrogen doped ordered mesoporous carbon with a large specific surface area; the preparation method comprises the following steps: loading a copper species on high-nitrogen-doped ordered mesoporous carbon by adopting an equivalent-volume impregnation method, and reducing at 350-400 DEG C to prepare the high-nitrogen-doped ordered mesoporous carbon loaded copper catalyst. The prepared catalyst is high in nitrogen content, large in specific surface area, high in pyridine nitrogen or pyrrole nitrogen enrichment degree and uniform in copper particle dispersion and shows efficient catalytic performance in methanol oxidative carbonylation reaction, and the highest methanol conversion rate is 9.3%.

The invention relates to the technical field of wave-absorbing materials, in particular to a preparation method of an MXene-NiO-PPy ternary composite wave-absorbing material. The invention provides a preparation method of an MXene-NiO-PPy ternary composite wave-absorbing material, which comprises the following steps of: etching titanium aluminum carbide powder through a LiF / HCl mixture, and performing ultrasonic stripping to prepare a uniform dispersion of MXene nanosheets; the preparation method comprises the following steps: dispersing MXene nanosheets in a solution of water and absolute ethyl alcohol, and adding a pyrrole monomer and a FeCl3. 6H2O aqueous solution for reaction; after the reaction, washing is performed to obtain a PPy-MXene composite material; the preparation method comprises the following steps: by taking NiCl2. 6H2O as a nickel source and sodium oxalate as a precipitator, preparing NiO nanowires by adopting a hydrothermal method combined with a calcining process; the invention discloses a preparation method of an MXene-NiO-PPy ternary composite wave-absorbing material.According to the method, the MXene-NiO-PPy ternary composite wave-absorbing material with rich heterogeneous interfaces and a porous micro-nano structure is constructed, cooperation of dielectric loss, magnetic loss and interface polarization loss is achieved, and finally the light, efficient and broadband wave-absorbing performance is obtained.

The invention discloses an endogenous anti-aging composition based on an internal and external synergistic mechanism and a preparation method of the endogenous anti-aging composition. The endogenous anti-aging composition based on the internal and external synergistic mechanism is prepared from the following components in parts by mass: 100 to 200 parts of alpha-ketoglutarate calcium; 100 to 200 parts of an olive leaf extract; 10 to 20 parts of nicotinic acid; 10 to 20 parts of pyrroloquinoline quinone; 20 to 60 parts of pomegranate extract; and 10 to 30 parts of coenzyme Q10. The composition and the preparation method thereof have the beneficial effects that the composition capable of integrally improving the aging state of women from multiple dimensions and the preparation method of the composition are provided.

The invention belongs to the technical field of solar-driven interface evaporation, and particularly relates to a solar-driven interface evaporation aerogel material based on gradient modification and a preparation method and application thereof. The preparation method specifically comprises the following steps: performing cross-linking reaction on chitosan and a cross-linking agent in an organic acid aqueous solution, and performing freeze drying to obtain a chitosan matrix with a three-dimensional network structure; a pyrrole monomer is uniformly dispersed in a network structure of a chitosan matrix, then the chitosan matrix is immersed in an ammonium persulfate solution, and by controlling the oxidative polymerization degree of ammonium persulfate to the pyrrole monomer, concentration gradient distribution gradually decreasing from the surface to the inside of polypyrrole is formed in the chitosan matrix, so that the polypyrrole / chitosan composite material is obtained. The solar-driven interface evaporation aerogel material based on gradient modification is obtained. The aerogel material provided by the invention combines a photothermal effect with interface evaporation, and achieves the purpose of reasonably and efficiently utilizing solar energy resources to carry out seawater desalination.

The invention discloses a compound as shown in a formula (I), and / or pharmaceutically acceptable salts thereof, and / or a raceme mixture, a hydrate, a solvate, a prodrug, an enantiomer, a diastereoisomer and a tautomer thereof, and belongs to the technical field of medicines. The invention also discloses a pharmaceutical composition containing the compound as shown in the formula (I), and the compound as shown in the formula (I) and / or a pharmaceutically acceptable salt thereof, and / or a racemic mixture, a hydrate, a solvate, a prodrug, an enantiomer, a diastereoisomer and a tautomer thereof, and / or the pharmaceutical composition, a pharmaceutically acceptable salt thereof, and / or a racemic mixture, a hydrate, a solvate, a prodrug, an enantiomer, a diastereoisomer and a tautomer thereof. The invention further discloses application of the cGAS agonist in preparation of the cGAS agonist and a medicament for treating diseases responding to activation of the cGAS-STING signal channel.

The invention discloses a preparation method of a photo-thermal super-hydrophobic material and a continuous recovery device and method for high-viscosity spilled oil on a water surface, and belongs to the technical field of spilled oil adsorption. The preparation method of the photo-thermal super-hydrophobic material comprises the following steps: selecting a waste textile fabric with compression-recovery performance as a raw material, firstly putting the waste textile fabric in an ethanol solution for ultrasonic treatment, then soaking the waste textile fabric in an aqueous solution containing Tris-HCl and dopamine hydrochloride, and oscillating at a constant temperature; the preparation method comprises the following steps of: soaking in a pyrrole aqueous solution, adding anhydrous FeCl3, oscillating at room temperature, and soaking in an aqueous solution containing Tris-HCl, dopamine hydrochloride and polyethyleneimine after pyrrole is completely polymerized; and finally, soaking in an ethyl acetate solution containing polydimethylsiloxane and a curing agent, and heating and curing after soaking to obtain the photo-thermal super-hydrophobic material. The material not only realizes efficient cyclic utilization of textile wastes, but also has excellent photo-thermal performance and compressible recovery performance under a high-viscosity-wet condition.

The invention relates to an integrated Schottky contact power generation-energy storage hydrogel device and a preparation method thereof, PVA hydrogel is adopted as a base material, and conductive PVA coated PPy hydrogel is prepared through an in-situ polymerization reaction of ferric chloride and pyrrole. Meanwhile, PVA is used as a base material, phosphoric acid is introduced to prepare PVA gel electrolyte, and an integrated self-power-generation-energy-storage device based on the Schottky contact principle is constructed. According to the Schottky contact principle, the device can efficiently convert mechanical energy into electric energy, and storage and release of the electric energy are achieved. The electrical characteristics of the device can be optimized according to the external environment through the adjustability of the hydrogel, so that more efficient energy conversion and storage are realized. The self power generation and energy storage characteristics of the device show excellent voltage output and stable current response, and the device has wide application prospects in the fields of wearable equipment, sensors, environment energy collection and the like.

The invention provides an anti-aging composition and application thereof, the composition at least contains pyrroloquinoline quinone disodium salt, ergothioneine and 5-aminolevulinic acid or salt thereof in physiologically acceptable media, the composition contains PQQ, ergothioneine and 5-aminolevulinic acid (5-ALA) or salt thereof, the three components are compounded to achieve a synergistic effect, and the anti-aging effect is achieved. The dyeing intensity of beta-galactosidase is reduced, and the anti-aging effect is achieved.

The invention provides a composition for delaying senescence by activating telomerase activity. The composition is prepared from the following raw materials in parts by weight: 12.5 parts of wheat germ concentrated powder, 0.25 to 5 parts of ergothioneine, 0.25 to 5 parts of pyrroloquinoline quinone disodium salt and 0.25 to 5 parts of alpha-ketoglutaric acid. The invention further provides a preparation method and application of the composition for delaying senescence by activating telomerase activity. Through the synergistic effect of the ergothioneine and the pyrroloquinoline quinone disodium salt, the telomerase activity can be activated, the telomerase expression can be improved, the telomere length can be maintained, and the effect of delaying senescence can be achieved, so that the functional metabolism of a human body can be promoted, and the health state of the body can be improved; through the synergistic effect of the wheat germ concentrated powder and alpha-ketoglutaric acid, cell aging can be delayed; through the multi-target synergistic effect of'telomerase activation + mitochondrial repair + autophagy enhancement ', the anti-aging effect is delayed, the metabolic capability is high, the anti-aging effect is good, and safety and high efficiency are achieved; belongs to the technical field of food and health care product processing.

The invention relates to a pyrrolo [2, 3-d] pyrimidine-4-amine derivative and application thereof in medicine, in particular to a compound shown in a formula (I) or a stereoisomer, a tautomer, a deuterated compound, a solvate, a prodrug, a metabolite, pharmaceutically acceptable salt or eutectic of the compound, and application of the compound in preparation of medicines for treating sGC-related diseases.

The present invention relates to a magnetic Janus microsphere and a preparation method thereof, belonging to the field of microsphere technology. The present invention uses a θ glass capillary as a generating device, and specifically comprises the following steps: (1) dissolving a water-soluble monomer, polyethylene glycol, an initiator, and a cross-linking agent in water to obtain a dispersed phase I; (2) dissolving pyrrole in a magnetic ionic liquid to obtain a dispersed phase II; (3) mixing soybean oil and paraffin to obtain a continuous phase; (4) connecting one hole of the θ glass capillary to the dispersed phase and the other hole to the continuous phase, mixing the dispersed phase and the continuous phase at a flow rate ratio of 1:10-40 to obtain magnetic Janus droplets; (5) subjecting the magnetic Janus droplets to a polymerization reaction to obtain the magnetic Janus microsphere. The magnetic Janus microspheres of the present invention are introduced into a uniform and stable magnetic ionic liquid, and monodisperse MIL-water Janus droplets are prepared in a one-step method by means of the θ glass capillary in the absence of a surfactant, and the droplets and microspheres can be precisely magnetically manipulated.

The invention discloses a green and efficient carbonyl alkylation pyrrolo [1, 2-a] indole synthesis method, and relates to the technical field of organic synthesis. An alpha-bromocarbonyl compound is used as a carbonyl alkyl source, Ir (ppy) 3 is used as a photosensitizer, potassium hydroxide is used as alkali, sodium dimethyl dithiocarbamate is used as an additive, acetonitrile is used as a solvent, a carbonyl alkylation / cyclization reaction of N-alkenyl substituted indole is realized under the condition of visible light, and corresponding carbonyl alkylation pyrrolo [1, 2-a] indole is obtained. The method is convenient to operate, green and efficient in reaction and wide in substrate applicability.

The invention discloses a fluorescent probe as well as a preparation method and application thereof. The invention provides a series of fluorescent probes with novel structures, and the fluorescent probes take 2-(isoquinoline-1-yl) pyrrole boron difluoride as fluorophores, so that the fluorescence quantum yield of the probes is improved, the detection resolution of nitric oxide is increased, and the detection sensitivity is improved. The fluorescent probe disclosed by the invention has the characteristics of large Stokes displacement, high fluorescence quantum yield, good selectivity and short response time.

The invention provides a nitrogen modified iron-cobalt bimetallic catalyst as well as a preparation method and application thereof, and belongs to the technical field of catalysts. The catalyst takes iron and cobalt as active components, and is prepared by adopting a coprecipitation-hydrothermal-step atmosphere heat treatment process: firstly, carrying out coprecipitation reaction on iron salt and cobalt salt, controlling the pH value to be 11 + / -0.5, carrying out aging and hydrothermal treatment, filtering, washing, drying and grinding to obtain a precursor; and calcining the precursor in a hydrogen-containing mixed atmosphere at 400-500 DEG C, and then calcining the precursor in an ammonia-containing mixed atmosphere at 450-600 DEG C to obtain the nitrogen surface modified iron-cobalt bimetallic catalyst. The catalyst is of a carrier-free iron-cobalt bimetallic structure, nitrogen atoms are embedded into alloy lattices or adsorbed on the surface in the form of pyridine nitrogen, pyrrole nitrogen or graphite nitrogen, and a Fe / Co-N high-activity interface is formed.

The application discloses a carbon nitride / carbon felt electrode for a vanadium redox flow battery and a preparation method thereof, and belongs to the technical field of battery materials. The preparation method comprises the following steps: (1) soaking carbon felt in an ethanol solution containing an iron salt compound and then drying; (2) suspending the dried carbon felt in a closed container, adding a pyrrole monomer, and reacting at a constant temperature under an inert atmosphere to obtain a polypyrrole / carbon felt, which is cleaned and dried; (3) soaking the polypyrrole / carbon felt in an ethanol solution containing a zinc salt compound and then drying; (4) gradually increasing the temperature of the dried polypyrrole / carbon felt under an inert atmosphere to perform high-temperature carbonization, and obtaining carbon nitride / carbon felt; and (5) performing pickling and water washing on the carbon nitride / carbon felt, and obtaining the carbon nitride / carbon felt electrode after drying. In the application, the iron salt is used to catalyze the polymerization and deposition of pyrrole on the surface of the carbon felt, and finally high-temperature carbonization is performed to form various nitrogen-doped structures on the surface of the carbon felt, so that the liquid affinity and the electrochemical reaction activity of the electrode surface are significantly improved, and the energy efficiency of the battery is improved.

A fungicidal composition comprising: (i) metarylpicoxamid as a fungicidal active ingredient; and (ii) an organic acid, wherein the organic acid is present at 0.01 to 5.0% by weight of the composition and is not an aliphatic C2 to C8 mono-carboxylic acid.

The invention belongs to the technical field of chemical synthesis, and relates to a method for continuously synthesizing 4-bromo-2-p-chlorophenyl-5-trifluoromethyl pyrrole-3-nitrile by a microchannel reactor, which comprises the following steps: pumping a substrate solution to a first plate type micro-reaction module; respectively pumping the bromination reagent solution to a first plate type micro-reaction module, a second plate type micro-reaction module and a third plate type micro-reaction module to obtain a reaction base solution; the reaction base solution is introduced into a fourth plate type micro-reaction module, n-heptane is pumped to the fourth plate type micro-reaction module and a fifth plate type micro-reaction module, deionized water is pumped to the fourth plate type micro-reaction module and the fifth plate type micro-reaction module, and extract liquor is obtained; and carrying out separation, evaporation recovery and recrystallization to obtain a finished product. Through the multi-stage series design of the micro-channel reactor, catalytic bromination replaces traditional bromine oxidation and reaction-extraction in-situ integration, and the three major problems of low efficiency, serious pollution and poor safety of an intermittent process are solved.

The invention discloses a health-care food for delaying ovarian aging, which belongs to the technical field of health-care foods and comprises a composition for improving the levels of anti-mullerian test tube hormone and superoxide dismutase and functional auxiliary materials, the composition for improving the anti-muller test tube hormone and superoxide dismutase level is prepared from the following components in parts by weight: 2 to 5 parts of pyrroloquinoline quinone PQQ, 30 to 80 parts of cranberry powder and 40 to 100 parts of an isoflavone extract, and the content of the pyrroloquinoline quinone PQQ is 2 to 5 parts, the content of the cranberry powder is 30 to 80 parts, and the content of the isoflavone extract is 40 to 100 parts. The pyrroloquinoline quinone PQQ, the cranberry powder and the isoflavone extract in a specific formula have the effect of synergistically improving the levels of anti-muller test tube hormone and superoxide dismutase, and the health food prepared from the pyrroloquinoline quinone PQQ, the cranberry powder and the isoflavone extract can improve sleep, improve urinary tract infection of middle-aged women, delay ovarian aging and the like.

The present disclosure relates to pyrrolo-pyrimidine compounds, or pharmaceutically acceptable salts thereof, of Formula (I"): Compounds of the disclosure are useful for degrading cyclin-dependent kinase 4 (CDK4), and methods of making the same are provided.

The invention belongs to the technical field of medical wound materials, and relates to conductive nanofiber aerogel for preventing and treating stress injury and a preparation method thereof. The conductive nanofiber aerogel comprises nanofiber aerogel, a polypyrrole conductive network and a polydopamine hydrophilic layer, wherein the polypyrrole conductive network and the polydopamine hydrophilic layer are deposited in the nanofiber aerogel; the nanofiber aerogel is composed of nanofibers containing a first methylacryloylated polymer and polylactic acid and a second methylacryloylated polymer, the nanofibers are in staggered lap joint to form a three-dimensional skeleton, and the lap joint is wrapped by the second methylacryloylated polymer. The preparation method comprises the following steps: preparing nanofiber aerogel, and sequentially infiltrating the nanofiber aerogel into a pyrrole / FeCl3. 6H2O solution and a dopamine hydrochloride / Tris-HCl solution to react. The conductive nanofiber aerogel has good structural stability, biological safety, hydrophilic imbibition and pressure / seepage sensing capability, and can play an efficient role in prevention and treatment of pressure injury.

A carbon sorbent for removing carbon dioxide from a gaseous material includes a surface composition including carbon, nitrogen, and oxygen. The nitrogen atoms at the surface of the carbon sorbent may be present in pyridone, pyrrole, and pyridine. The surface of the carbon sorbent may include lactone groups and pyrone groups. The carbon sorbent may have a bulk density greater than about 0.40 grams per cubic centimeter. The carbon sorbent may be formed using amino acids to provide the nitrogen for the carbon sorbent. In addition, the use of processing aids during the formation of the carbon sorbent facilitates the formation of a denser carbon sorbent. Related methods of forming the carbon sorbent and pellets of the carbon sorbent are also disclosed.

Disclosed are an optically pure oxaspiro-substituted pyrrolopyrazole derivative, a preparation method therefor and the pharmaceutical use thereof. The compounds are compounds as shown in formula (I) and formula (II) or a pharmaceutically acceptable salt thereof, or a solvate thereof, or a prodrug thereof. Also disclosed are a preparation method therefor and the use thereof.

The invention discloses a preparation method of a liver protection medicine composition containing dihydromyricetin, and relates to the technical field of medicine preparation.According to the method, dihydromyricetin, puerarin, pueraria flower extract, corn oligopeptide, pyrroloquinoline quinone disodium salt, curcumin and ganoderan are used as raw materials; dihydromyricetin and puerarin are stirred, homogenized and dried in a mixed solvent to prepare the liver protection medicine composition, wherein the mass ratio of dihydromyricetin to puerarin is 1: (0.5-2). A multi-target liver protection system is constructed through cooperation of multiple components, the problems that a traditional liver protection medicine is poor in component solubility, easy to degrade in activity and weak in synergistic effect are solved, the bioavailability and stability of the product are improved, the process is simple and controllable, the preparation method is suitable for industrial production and can be prepared into oral preparations such as tablets and oral liquid, and the preparation method is suitable for industrial production. The composition is suitable for protection of alcoholic and chemical liver injury.

The invention belongs to the technical field of conductive polymer materials, and particularly relates to a high-conductivity polypyrrole composite material as well as a preparation method and application thereof. According to the preparation method, sulfhydrylated graphene oxide is taken as a substrate, metal copper quantum dots are taken as an auxiliary material, pyrrole monomers are subjected to in-situ polymerization on the surface of the sulfhydrylated graphene oxide to form a nanosheet structure, and the sulfhydrylated graphene oxide is reduced to form the high-conductivity composite material taking polypyrrole and graphene as substrates. After the graphene oxide is subjected to sulfhydrylation modification, the copper quantum dots are more uniformly distributed on the surface of the graphene oxide, the stability of the metal copper quantum dots is improved, and the stability of the graphene oxide in the reduction and processing processes can be improved. The polypyrrole nanosheets in the high-conductivity polypyrrole composite material are vertically distributed on the surface of the graphene, so that the porosity of the composite material is improved, the specific surface area is increased, the mechanical property of polypyrrole is improved, and the stability of the morphology of the polypyrrole is favorably maintained in the processing process.