80 results about "Doped polyaniline" patented technology

The invention belongs to the technical field of aerogel materials, and particularly relates to antistatic aerogel for 3D printing as well as a preparation method and application of the antistatic aerogel. The preparation method comprises the following steps: (1) dispersing inorganic nanoparticles modified by a silane coupling agent containing epoxy groups and an aniline monomer in an acidic solvent to obtain a monomer mixed solution; (2) stirring and dissolving polyamide in the monomer mixed solution; (3) initiating a reaction to obtain a polyaniline modified polyamide solution; and (4) freeze-drying to obtain the antistatic aerogel for 3D printing. By controlling synthesis conditions, a core-shell structure of acid-doped polyaniline coated inorganic nanoparticles is formed, and a good conductive path is formed in polyamide with a small addition amount of polyaniline. The antistatic aerogel for 3D printing can be applied to technologies such as photocuring molding and fused deposition of polyurethane resin in a 3D printing technology, and the antistatic property and the mechanical property of a 3D printed product are improved.

A flexible pH sensor and a measurement system, belonging to the technical field of sensors. Using a material that does not react with an electrolyte, mixed with a metal, an anode substrate is printed, and by means of an electrochemical method, one-step synthesis of a metal-doped polyaniline composite material is implemented. By means of controlling the metal content, the doping amount of metal ions in the polyaniline can be changed. Adding metal increases the conductivity of the anode substrate, which facilitates deposition of polyaniline. The one-step method for preparing a polyaniline composite material is simple, low-cost, and pollution-free; compared with pure polyaniline, the composite material has improved sensitivity. The metal-doped polyaniline composite material is used in a pH sensor for the first time, thus implementing a wide pH measurement range (2-12) and a high bending stability. The flexible pH sensor can be used in saliva pH measurement, and to measure the freshness of fresh food.

The invention discloses a durable modified epoxy resin composite coating and a preparation method thereof. The durable modified epoxy resin composite coating comprises a component A and a component B, the component A comprises the following components in parts by mass: 100 parts of epoxy resin, 15 parts of mica, 20 parts of glass flakes, 10 parts of mica iron oxide, 5 parts of zinc phosphate, 3 parts of a penetrant and 10 parts of a solvent; the component B is prepared from the following components in parts by mass: 20 parts of doped polyaniline, 100 parts of N-methyl pyrrolidone and 30 parts of a modified amine curing agent. The prepared durable modified epoxy resin composite coating provides more durable surface protection for concrete structures of expressways and bridges, the salt freezing resistance and chloride ion corrosion resistance of the concrete structures subjected to modified epoxy resin surface treatment can be remarkably improved, and the durability of the concrete structures is enhanced.

The application relates to the technical field of packaging films, and discloses an antistatic plastic packaging film and a preparation process.The antistatic plastic packaging film comprises 100 parts by weight of polyethylene, 1-6 parts by weight of phenolic resin polyaniline antistatic agent and 0.2-0.3 parts by weight of an antioxidant.The dodecyl succinic anhydride esterified phenolic resin contains carboxyl groups, can be used as a protonic acid, is doped into polyaniline through an in-situ polymerization reaction, makes imine nitrogen atoms of the polyaniline protonate, forms a charged excited state polaron, and thus the conductivity of the polyaniline is improved, the resistance of the polyethylene is reduced, and the antistatic performance of the packaging film is improved.The dodecyl succinic anhydride esterified phenolic resin and the doped polyaniline have good compatibility with the polyethylene, have a certain reinforcing effect on the polyethylene, and make the film material have higher tensile strength and elongation at break.

The invention relates to the technical field of conductive materials, in particular to a conductive material based on TPU composite carbon nanotubes and a preparation method and application of the conductive material. Comprising the following raw materials in parts by mass: 70-78 parts of homogeneous TPU; 5 to 8 parts of multi-walled carbon nanotubes; 1 to 3 parts of aminated MXene; 2 to 5 parts of chopped carbon fiber; 0.5 to 2 parts of doped polyaniline; 0.3 to 1 part of zirconium phosphate nanosheets; 1 to 1.5 parts of ionic liquid [VBIM] Br; 1 to 2 parts of hydrophobic nano SiO2; 0.5 to 1 part of a silane coupling agent; 0.3 to 0.5 part of an antioxidant; and 0.5 to 1 part of zinc stearate. According to the preparation method, multi-element fillers such as the multi-walled carbon nanotubes, the aminated MXene, the short carbon fibers and the doped polyaniline are compounded, so that the broadband electromagnetic shielding effectiveness is improved, and the interfacial shear strength is improved.

The invention belongs to the technical field of preparation of nano noble metal catalysts, and relates to a preparation method of a doped carbon-based nano noble metal catalyst. Phytic acid doped polyaniline is prepared through chemical oxidative polymerization, a nitrogen and phosphorus co-doped carbon carrier is obtained through pyrolysis under the nitrogen atmosphere, gold and palladium bimetal is loaded through a metal colloid adsorption method, the doped carbon-based nano noble metal catalyst is obtained, the introduced doped element phosphorus has anchoring and dispersing effects on noble metal, and the noble metal is more stable in performance. The activity of the catalyst is remarkably improved by introducing a trace amount of second component metal palladium. The catalyst prepared by the invention is simple in synthesis method, high in activity, good in selectivity and excellent in cycling stability, is suitable for preparing parachloroaniline by hydrogenation of parachloronitrobenzene, and has a relatively wide application prospect.

The invention discloses a current collector active material and a preparation method and application thereof, and relates to the technical field of electrochemical energy storage. Comprising the following steps: dissolving acid, a niobium precursor and aniline in water to form a solution A; dissolving ammonium persulfate in water to form a solution B, adding the solution B into the solution A, uniformly mixing, standing for reaction, carrying out suction filtration and drying to obtain niobium-doped polyaniline carbon nanotubes, and carrying out heat treatment on the niobium-doped polyaniline carbon nanotubes in a protective atmosphere to obtain amorphous carbon nanotubes embedded with niobium pentoxide nanoparticles. The method can be used for preparing a negative-electrode-free sodium metal battery current collector and a negative-electrode-free sodium metal battery. According to the method, hectogram or even kilogram-level superfine amorphous carbon nanotubes embedded with niobium pentoxide nanoparticles can be prepared in a single batch in a macroscopic manner, and Nb2O5 nanoparticles anchored in the carbon tubes are subjected to reversible intercalation pseudocapacitance reaction, so that the sodium ion migration rate is remarkably increased, sodium ions are preferentially adsorbed, the nucleation overpotential is greatly reduced, and the performance of the carbon nanotubes is improved. And the assembled negative-electrode-free sodium metal total battery shows an extremely high capacity retention ratio.

The invention discloses an aqueous zinc ion battery negative electrode material with a polymer modification layer and a preparation method of the aqueous zinc ion battery negative electrode material, valine-doped polyaniline is prepared by a chemical oxidation method, the required aqueous zinc ion battery negative electrode material is prepared by a dispensing method, and the aqueous zinc ion battery negative electrode material is simple to prepare and easy to operate. When the water-based zinc ion battery electrolyte is applied to a water-based zinc ion battery, the cycle performance of the water-based zinc ion battery can be effectively improved, the water-based zinc ion battery has a good and stable deposition / stripping process, the performance is excellent under different current densities, an obvious effect of inhibiting zinc dendrites is achieved, and commercialization of the water-based zinc ion battery is facilitated.

The invention discloses a modified polyaniline synergistic flaky zinc-aluminum waterborne epoxy anticorrosive coating and a preparation method thereof. The anticorrosive coating comprises a component A and a component B in a mass ratio of (4-5): 1, the component A is prepared from the following components in parts by weight: 8 to 16 parts of waterborne epoxy resin, 55 to 75 parts of zinc powder, 5 to 10 parts of flaky zinc-aluminum powder, 0.3 to 0.6 part of a dispersing agent, 0.5 to 1 part of an anti-settling agent, 0.1 to 0.3 part of dodecylbenzene sulfonic acid doped polyaniline, 1 to 2 parts of an adhesion promoter and 6 to 10 parts of a first solvent; and the component B comprises the following components in parts by weight: 3-7 parts of a water-based amine curing agent, 1-2 parts of an anti-flash-rust auxiliary agent, 5-10 parts of a second solvent and 2-5 parts of deionized water. The obtained coating is compact, excellent in corrosion resistance, good in adhesive force, few in organic volatile matter, easy to prepare, convenient to operate and completely free of chromate, and the corrosion resistance far beyond that of conventional paint is achieved.

The invention belongs to the technical field of zinc-iodine batteries, and particularly relates to doped polyaniline, a preparation method thereof and a zinc-iodine battery. The preparation method comprises the following steps: in an acidic environment, mixing substituted aniline, aniline and an oxidizing agent to obtain a mixed solution, and carrying out oxidative polymerization reaction to obtain doped polyaniline; wherein a substituent group of the substituted aniline is an electron withdrawing group; the number of the substituent group is 1; the molar ratio of the substituted aniline to the aniline is (5-25): 100; the positive electrode material in the zinc-iodine battery prepared from the doped polyaniline has high specific capacity and cycling stability.

The invention discloses an active oxygen electrode material for water purification and disinfection and a preparation method and application thereof, and belongs to the technical field of drinking water purification. The electrode material is based on Ox-CNHs nano conductive particles obtained from treated single-walled carbon nanohorns, is matched with nitrogen-doped polyaniline and other components, and is prepared by innovatively using aniline and coal gasification fine slag through a special process. Due to the unique structure, the oxygen adsorbability is good, the electric conductivity is good, active oxygen groups can be efficiently generated, the water body and air disinfecting and purifying capacity is achieved, repeated use can be achieved, the cost is reduced, and high-value utilization of solid waste is achieved. The electrode material is used for a cathode and an anode of an electrochemical water purification and disinfection device, and by virtue of excellent conductivity and catalytic activity, the cathode and the anode cooperate with a runner plate to guide a water body to flow in an electrochemical reactor, so that the water body is in full contact with the electrode, and the purification and disinfection efficiency on the water body is remarkably improved; the method has wide prospects in the fields of water and air disinfection and purification and environmental protection.

The invention relates to the field of anticorrosive coatings, and particularly discloses a multifunctional long-acting anticorrosive coating and a preparation method thereof. The anticorrosive paint comprises a main agent and a curing agent, the main agent is prepared from the following components in parts by weight: 30 to 40 parts of matrix resin, 1 to 2 parts of dispersing agent, 1.2 to 2.5 parts of bentonite, 13 to 25 parts of anti-rust pigment, 3 to 5 parts of doped polyaniline, 3 to 6 parts of gas-phase anti-rust agent, 2.5 to 5.0 parts of benzotriazole corrosion inhibitor, 10 to 17 parts of filler, 13 to 21 parts of solvent, 0.5 to 1.5 parts of defoaming agent, 1 to 3 parts of anti-settling wax and 5 to 10 parts of Angstrom anti-rust microcapsule. The anticorrosive paint can have excellent adhesive force and anticorrosive performance on various different materials, can meet the application of spraying multiple materials on the same equipment, greatly reduces the construction difficulty, can quickly and automatically repair under the condition that a paint film is scratched, and greatly reduces the possibility that a base material is rusted.

The invention discloses an application of a chiral polylactic acid piezoelectric material doped polyaniline composite friction film in degradation of organic pollutants. The application specifically comprises the following steps: adhering the chiral polylactic acid piezoelectric material doped polyaniline composite friction film to the bottom of a turntable, and adhering a friction bottom sheet to the bottom in a flat-bottom container; the organic pollutant solution is poured into the container, the rotating disc adhered with the friction film is placed in the container for equilibrium adsorption, and one side of the friction film faces upwards; the turntable is turned over to enable one side of the friction film to face downwards to form a friction pair with the friction bottom plate, and the turntable is started to rotate for friction catalysis to realize degradation of organic pollutants. The conductivity of polyaniline is combined with the piezoelectric and chiral characteristics of chiral polylactic acid, a flexible friction film is obtained through a solution casting method, the flexible friction film and a friction bottom form a friction pair, active free radicals are generated through the triboelectric effect, high-concentration organic pollutants are efficiently degraded, and environment-friendly and efficient pollutant degradation at normal temperature and pressure is achieved.

The invention belongs to the technical field of photo-thermal evaporation materials, and discloses a composite photo-thermal material Fe / PANI / GF and a preparation method and application thereof. The preparation method of the composite photo-thermal material Fe / PANI / GF comprises the following steps: taking graphite felt (GF), and activating at high temperature to obtain activated graphite felt; uniformly depositing polyaniline on the surface of the activated graphite felt by adopting a constant current method or a cyclic voltammetry to obtain acid-doped polyaniline (PANIES / GF); and dipping the acid-doped polyaniline in a ferric salt solution or a ferrous salt solution, and dispersing and loading Fe on the PANI nano-particle layer through Fe-N coordination to obtain the composite photo-thermal material Fe / PANI / GF. The method shows wide application prospects in the fields of seawater desalination, high-salinity wastewater treatment, heat-assisted power generation, photo-thermal driven sterilization, soil remediation and the like, and an innovative scheme is provided for solving the problems that a traditional photo-thermal material is low in efficiency, poor in stability, high in cost and the like.

The invention discloses a two-dimensional carbon-based catalyst material as well as a preparation method and application thereof, and belongs to the technical field of catalyst preparation. The preparation method comprises the following steps: by taking aniline as a carbon source and a nitrogen source, initiating oxidative polymerization by ammonium persulfate in a perchloric acid solution containing a metal precursor to generate metal-doped polyaniline; and heating the polymer to induce an explosion reaction so as to realize rapid stripping and carbonization of polyaniline and finally obtain the two-dimensional carbon-based material. The method provided by the invention has the advantages of low initiation temperature, extremely short reaction time and remarkable energy-saving advantage, the obtained material shows excellent catalytic performance and good stability in various systems such as energy conversion and electro-catalytic synthesis as an electrode catalyst, and the preparation process is low in raw material cost, simple to operate, low in energy consumption, small in environmental pollution and suitable for industrial production. And the method has a good large-scale application prospect.

The invention discloses construction and application of a biosensor based on an efficient antifouling interface and dual signal amplification, and belongs to the technical fields of optical / electric analytical chemistry, biosensing and material science. According to the invention, the electrode interface is modified with polyaniline doped with polytannic acid as an antifouling film, so that non-specific adsorption of interfering biomolecules in a complex medium is resisted; euTb-MOF is prepared as an efficient luminous body, Tb < 3 + > can transfer energy of Tb < 3 + > and ligand to Eu < 3 + >, and effective signal self-enhancement is realized; according to the EuTb-MOF, the reduction of S2O8 < 2-> is promoted by utilizing the reversible conversion of valence states of Co < 2 + > / Co < 3 + > and Fe < 2 + > / Fe < 3 + > and the synergistic catalysis of Ag NPs, so that the electrochemical luminescence signal of the EuTb-MOF is further improved. Based on the above strategy, the constructed biosensor has high detection sensitivity and precision and long service life, the linear range is 10 fM to 100 nM, and the detection limit is as low as 3.62 fM.

The application relates to the technical field of PET sheets, in particular to an anti-static impact-resistant PET sheet and a preparation method thereof. The anti-static impact-resistant PET sheet of the application comprises PET resin and a modifier. The PET resin and the modifier are melt-blended, extruded and sliced to prepare the anti-static impact-resistant PET sheet. The modifier has an important influence on the anti-static performance and the impact resistance of the PET sheet. The preparation method of the modifier comprises the following steps: firstly, unsaturated glycidyl ester is reacted with amino siloxane; then, the unsaturated glycidyl ester is grafted on the POE molecular chain through melt grafting; finally, the acid-doped polyaniline layer is coated by using an in-situ polymerization method. The modifier obtained through the above preparation method has good compatibility with the PET resin, the interface bonding strength between the POE and the polyaniline is high, in addition, organic montmorillonite and nano zinc oxide can be introduced into the above modifier, and the anti-static performance and the impact resistance of the PET sheet can be further improved.

The invention relates to the technical field of lithium batteries, in particular to a bipolar current collector, a preparation method thereof and a lithium metal battery. The bipolar current collector comprises a metal foil, an alpha zirconium phosphate doped polyaniline coating and a graphene coating; the metal foil comprises an anode metal foil layer and a cathode metal foil layer; the positive electrode metal foil layer is stainless steel foil, and the surface of the positive electrode metal foil layer is coated with the graphene coating; the negative electrode metal foil layer is a copper layer, and the surface of the negative electrode metal foil layer is coated with the alpha zirconium phosphate doped polyaniline coating; the preparation method of the bipolar current collector comprises the following steps: performing magnetron sputtering on the surface of stainless steel foil to form a copper layer; metal foil is obtained; coating the surface of the copper layer with an alpha zirconium phosphate doped polyaniline solution, drying and curing to form an alpha zirconium phosphate doped polyaniline coating; then, the surface of the stainless steel foil is coated with graphene slurry, post-treatment is conducted, and a graphene coating is formed; and obtaining the bipolar current collector. And preparing the lithium metal battery by using the bipolar current collector.

The invention relates to the field of coatings, and discloses a cathodic disbonding resistant solvent-free polyurethane anticorrosive coating for pipelines, the component A of the coating comprises polyethylene glycol, polytetrahydrofuran glycol, 1, 4-butanediol, a functional additive, modified graphene oxide, and an auxiliary agent; the component B is prepared from polyethylene glycol, polypropylene glycol and 4, 4 '-diphenylmethane diisocyanate; the functional additive is prepared by coating dodecylbenzene sulfonic acid doped polyaniline with modified epoxy resin and castor oil through an in-situ emulsion polymerization method; the preparation method comprises the following steps: preparing a modified intermediate from 6-hydroxybenzo [D] thiazole-2-formaldehyde, o-methoxyphenol and DOPO (9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide) in the modified epoxy resin, and substituting the modified intermediate with epoxy chloropropane; the modified graphene oxide is used for loading a modifier by using graphene oxide; according to the modifier, a carboxylation initial product obtained by reacting phytic acid, trimethylolpropane and citric acid reacts with carbamide, and the coating is good in adhesive force and excellent in mechanical property and has good corrosion resistance, flame retardance and antibacterial property.

This invention relates to a corrosion-resistant carbon-based composite material and its preparation method, belonging to the technical field of carbon-based composite materials. The invention involves creating a self-made modifier, then using this modifier and oxalic acid to dope aniline to obtain doped polyaniline. The doped polyaniline is then blended with high-density polyethylene and carbon nanotubes to obtain the corrosion-resistant carbon-based composite material. The phosphate ester groups in the modifier not only provide flame retardancy but also form complexes with the metal wire core. Together with the hydrophobic protective layer formed by the long-chain alkyl groups, they block the intrusion of water molecules and chemical media, giving the material excellent corrosion resistance. Furthermore, the aromatic heterocyclic structure in the modifier improves the overall heat resistance of the material and, in combination with the long-chain alkyl groups, ensures uniform dispersion of polyaniline and carbon nanotubes in the polyethylene matrix, enhancing the interfacial bonding between the three components, thereby improving the overall electrical conductivity and corrosion resistance of the material.

The invention relates to the technical field of nano biological medicines, and discloses a photo-thermal-enzyme catalysis nano-particle as well as a preparation method and application thereof. The photo-thermal-enzyme catalysis nano-particles are constructed by crosslinking water-soluble self-doped polyaniline nano-particles, human serum albumin, lactate oxidase and collagenase through a thioacetal linker capable of being split by active oxygen. Collagenase and lactate oxidase (LOx) are integrated into the same nanoparticle system through a thioacetal (TK) linker, the TK linker is split under the action of tumor microenvironment active oxygen (ROS) and H2O2 generated by catalysis of the LOx, the activity of the two enzymes is synchronously activated, a collagen matrix (physical barrier) is degraded, lactic acid (chemical barrier) is removed, the tumor microenvironment is efficiently remodeled, and the tumor microenvironment can be effectively inhibited. The problems that the regulation effect of a single barrier is limited, and the tumor microenvironment is difficult to improve are solved.

The invention discloses hydrogel for sweat glucose detection, a preparation method of the hydrogel and a spontaneous perspiration type hydrogel sweat glucose detection sensor, and relates to the field of biological fluid characteristic object recognition, and the preparation method of the hydrogel comprises the steps that firstly, phytic acid and aniline monomers serve as raw materials, and phytic acid doped polyaniline powder is prepared; mixing Mxene, methylene blue, sodium ascorbate, the phytic acid doped polyaniline powder, acrylamide and N, N '-methylene bisacrylamide in deionized water to obtain a mixed solution; dropwise adding an ammonium persulfate solution into the mixed solution, stirring and standing to obtain a hydrogel intermediate; and finally, sequentially activating and modifying the hydrogel intermediate, and dispensing glucose oxidase to obtain the hydrogel for sweat glucose detection. The hydrogel prepared by the invention has high ion / electron conductivity, enzyme immobilization ability and mechanical flexibility. The interface charge transfer efficiency can be improved and multifunctional integration can be realized by integrally designing the electrode and a carbon electrode into a sensor of an interdigital structure.

The invention discloses an adhesive film for a chip carrier plate. A glue solution of the adhesive film comprises epoxy resin, thermoplastic resin, a flexibilizer, a curing agent, an inorganic filler, modified nano crystalline cellulose, a flatting agent, an anti-settling agent and a solvent, the inorganic filler comprises coupling agent modified silicon dioxide and organic phosphonic acid doped polyaniline modified zirconium oxide; the organic phosphonic acid doped polyaniline modified zirconium oxide is 2-hydroxyphosphoryl acetic acid doped polyaniline modified zirconium oxide; the modified nano crystalline cellulose is modified by carboxymethylated nano cellulose through octadecyl trimethyl ammonium chloride. Organic phosphonic acid doped polyaniline modified zirconium oxide and coupling agent modified silicon dioxide are compounded, and modified nano crystalline cellulose is uniformly dispersed in an adhesive film to form a compact adhesive film, so that the expansion coefficient of the obtained adhesive film is small, and the water vapor barrier property is improved; the adhesive force with the carrier plate is good in application, and the reliability of the carrier plate is improved; the film surface of the obtained adhesive film is uniform and flat, and manufacturing of a fine circuit and a carrier plate with a smaller aperture is facilitated.

The present application provides a kind of polyaniline amorphous anticorrosive coating, including component A and component B, component A includes 25 mass parts-40 mass parts water-based epoxy resin, 20 mass parts-30 mass parts micrometre flaky amorphous alloy, 5 mass parts-10 mass parts doped polyaniline, 10 mass parts-20 mass parts filler and 4 mass parts-7 mass parts first auxiliary agent;Component B includes 10 mass parts-20 mass parts water-based curing agent and 1 mass parts-3 mass parts second auxiliary agent.The preparation method of polyaniline amorphous anticorrosive coating is also provided.The polyaniline amorphous anticorrosive coating of the present application has super high adhesion, hardness, acid resistance, alkali resistance and salt fog resistance on metal surface, and uses water-based formula, avoids the use of a large amount of organic solvent, green and environmental protection.

The invention discloses a spraying-free antibacterial material for automobiles and a preparation method of the spraying-free antibacterial material, and belongs to the field of high polymer materials. Step 2, preparing doped polyaniline; step 3, preparing functional components; and step 4, preparing the spraying-free antibacterial material to obtain the spraying-free antibacterial material for the automobile. Considering the dispersibility of each component in the preparation process, the scheme adopts different dispersion modes to prepare powdery modified titanium dioxide, doped polyaniline, functional components and the like, and the finally prepared product not only has a good antibacterial effect, but also has the characteristics of high strength, wear resistance, dirt resistance and the like.

The invention relates to a corrosion-resistant carbon-based composite material and a preparation method thereof, and belongs to the technical field of carbon-based composite materials. According to the invention, the modifier is self-made, the modifier and oxalic acid are used together for doping aniline to obtain doped polyaniline, the doped polyaniline, high-density polyethylene and carbon nanotubes are blended to obtain the corrosion-resistant carbon-based composite material, phosphate groups in the modifier realize flame retardance, and the corrosion resistance of the carbon-based composite material is greatly improved. The modifier can form a complex with a metal wire core, and a hydrophobic protection layer formed by the modifier and long-chain alkyl blocks invasion of water molecules and chemical media together, so that the material is endowed with excellent corrosion resistance, and in addition, an aromatic heterocyclic structure in the modifier is matched with the long-chain alkyl while improving the overall heat resistance of the material, so that the corrosion resistance of the material is improved. The polyaniline and the carbon nanotubes are uniformly dispersed in a polyethylene matrix, and the interface bonding property among the polyaniline, the carbon nanotubes and the polyethylene matrix is enhanced, so that the overall conductivity and corrosion resistance of the material are improved.

The invention relates to the technical field of PET sheets, in particular to an anti-static impact-resistant PET sheet and a preparation method thereof. The anti-static and anti-impact PET sheet comprises PET resin and a modifier, and during preparation, the PET resin and the modifier are subjected to melt blending, extrusion and slicing, so that the anti-static and anti-impact PET sheet is obtained. A modifier in a PET sheet has important influence on the antistatic performance and the impact resistance of the PET sheet, and a preparation method of the modifier comprises the following steps: firstly reacting unsaturated glycidyl ester with amino siloxane, then grafting the reaction product to a POE molecular chain through melt grafting, and finally coating an acid-doped polyaniline layer by adopting an in-situ polymerization method. The modifier obtained through the preparation method has good compatibility with PET resin, the interface bonding strength of POE and polyaniline is high, in addition, organic montmorillonite and nano-zinc oxide can be introduced into the modifier, and the anti-static performance and impact resistance of the PET sheet can be further improved.

The present invention discloses an antirust agent for the cavity of hot-rolled steel structures in rail transit, its preparation method and application. It is prepared from 1 part of butyl octanoic acid-doped polyaniline, 10-12 parts of dodecyl hexadecanol erucate and 6-7 parts of base oil by weight ratio. The present invention aims at the cavity structure of the corroded hot-rolled steel structure, solves the problem that physical or chemical methods cannot be used for rust removal, adsorbs the corroded part through strong penetration, wrapping and shielding effects, prevents further corrosion, and at the same time penetrates to the surface of the base material to achieve a long-term and stable anti-corrosion effect.

The invention provides an MXene multi-element functional nano composite material and a preparation method, and relates to the technical field related to anticorrosive paints.The two-dimensional lamellar nano materials such as carbon nano onion, graphene and an MXene precursor are subjected to surface modification through polyaniline, the interlayer distance of the materials is effectively increased, the structural stability and dispersing performance of the materials are improved, and the anti-corrosion performance of the materials is improved. The compact organic compounding of quaternary components such as carbon nano onion, MXene, graphene, polyaniline and the like under the nanoscale is realized, the dispersion state of a two-dimensional sheet material and the microstructure of a composite product are effectively improved, and the corrosion resistance of the MXene multi-element nano composite anticorrosive paint is improved; through polymerization of a secondary doped polyaniline nanofiber material modified by carbon nano onion, graphene and MXene, a template is provided for growth of a polymer skeleton, a compact net structure is formed, and the technical problems of easy agglomeration, relatively short fiber size, insufficient film forming compactness and the like in the polyaniline in-situ polymerization process are successfully solved.

The invention discloses a raffinate acid doped polyaniline derived carbon / polyaniline composite material as well as a preparation method and application thereof. The preparation method comprises the following steps: uniformly stirring and mixing raffinate acid, methyl orange, aniline and an oxidizing agent, carrying out an in-situ polymerization reaction to obtain raffinate acid doped polyaniline, carrying out high-temperature calcination to obtain a raffinate acid doped polyaniline derived carbon material, soaking and washing the raffinate acid doped polyaniline derived carbon material with diluted hydrochloric acid, drying, and adding the dried raffinate acid doped polyaniline derived carbon material into an aniline polymerization system to obtain the polyaniline derivative carbon material. And reacting to obtain the raffinate acid doped polyaniline derived carbon / polyaniline composite material. The composite material obtained by the invention is simple in preparation process, does not need to be subjected to impurity removal treatment on the raffinate acid, saves the cost and is beneficial to effective utilization of the raffinate acid. The raffinate acid-doped polyaniline carbon-derived carbon in the composite material has a multi-element doping characteristic, and constructs an efficient conductive network with polyaniline to provide a path for free electrons in the composite material and enhance conduction loss, so that improvement of the electromagnetic wave absorption performance is facilitated, and the raffinate acid-doped polyaniline carbon-derived carbon can be used as an electromagnetic wave absorption material.