67 results about "Polyaniline composite" patented technology

The invention relates to the technical field of insulating materials, in particular to insulating powder and a preparation method thereof. The invention discloses a flame-retardant coating which comprises the following components in parts by weight: 15-25 parts of epoxy resin, 10-20 parts of aluminum hydroxide, 5-12 parts of nano boron nitride, 1-3 parts of a silane coupling agent KH-560, 3-8 parts of polytetrafluoroethylene micro powder, 2-6 parts of fluorine-modified montmorillonite, 4-9 parts of melamine cyanurate, 2-5 parts of nano titanium dioxide, 1-4 parts of a fluorine-modified graphene oxide-polyaniline composite material and 0.5-2 parts of pentaerythritol stearate. The anti-corrosion coating is prepared from the following components in parts by weight: 1 to 3 parts of nano zinc oxide, 5 to 10 parts of glass fiber, 2 to 5 parts of polyhedral oligomeric silsesquioxane-polyimide copolymer, 1 to 4 parts of ferrocenyl epoxy resin and 0.5 to 2 parts of perfluorooctyltriethoxysilane. The insulation powder is high in corrosion resistance, excellent in insulation, heat dissipation and mechanical performance, environmentally friendly in processing, good in adaptability, capable of prolonging the service life of equipment and reducing the cost, suitable for special environments and wide in popularization prospect.

The application discloses a kind of carbon nanotube / polyaniline composite modified epoxy resin conductive paint and preparation method thereof, belong to coating technical field.The application is prepared by preliminary disentangling carbon nanotube with specific solvent, and the carbon nanotube dispersion liquid uniformly dispersed is obtained;Afterwards, polyaniline is added to carbon nanotube dispersion liquid, and carbon nanotube / polyaniline composite is prepared by solvent evaporation or purification;Finally, carbon nanotube / polyaniline composite is compounded with epoxy resin, and high-performance carbon nanotube / polyaniline composite modified epoxy resin conductive paint is obtained.The carbon nanotube / polyaniline composite modified epoxy resin conductive paint prepared by the application has more excellent mechanical properties and electrical properties than traditional conductive paint, and can be better applied in aerospace, battery, communication, new energy and other aspects.

The present application belongs to the technical field of anticorrosive paint in steel industry, and particularly relates to a polyaniline nanocomposite for anticorrosive paint and a preparation method thereof, and further relates to a polyaniline composite anticorrosive paint using the polyaniline nanocomposite as filler, and especially relates to a polyaniline composite paint for anticorrosion of general steel using the polyaniline nanocomposite as filler. The polyaniline nanocomposite prepared by the present application can effectively inhibit the agglomeration of graphene nanosheets and polyaniline through in-situ polymerization of polyaniline on the graphene nanosheets, and can form a grid structure in the base material through the lamellar structure of the polyaniline nanocomposite in the coating, further playing an effective barrier role in the diffusion of oxygen, water, chloride ions and the like, so that the coating can play a good shielding role on corrosive gases, and greatly improve the corrosion resistance of the metal surface.

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 application discloses a kind of hydrophobic modified anticorrosive coating and preparation method thereof, the method for preparing hydrophobic modified anticorrosive coating includes: anticorrosive coating is soaked in PDMS homogeneous solution, stationary, solidification, obtains hydrophobic modified anticorrosive coating, the preparation of anticorrosive coating includes: coating is scraped, dry, solidification, obtains anticorrosive coating, wherein, the preparation method of coating includes: g-C3N4 is etched in acidic solution, ultrasonic, obtains etching g-C3N4;Etching g-C3N4, aniline and water are mixed, adjust pH, obtain the polyaniline precursor solution of pH 1~4, polyaniline precursor solution is photopolymerization, obtains second precipitation, washes, freeze-drying, obtains polyaniline composite nanomaterial;Polyaniline composite nanomaterial is dispersed in waterborne epoxy resin, first stirring is then ultrasonic, obtains first solution, first solution and curing agent are mixed to be uniform, obtain coating.The hydrophobic modified anticorrosive coating of the application has the advantages of corrosion resistance, ultraviolet resistance, algae resistance, high hydrophobicity and long service life.

The application provides a conductive adhesive, a preparation method and application thereof. The conductive adhesive is a composite conductive polymer with a three-dimensional interpenetrating network structure formed by blending of a polyaniline-modified carbon nanotube composite material and polyacrylate; the polyaniline-modified carbon nanotube composite material is a composite material with polyaniline in-situ grown on the surface of modified carbon nanotubes, and the modified carbon nanotubes are hydroxylated modified carbon nanotubes. The polyaniline composite material with in-situ growth of the modified carbon nanotubes in the conductive adhesive has excellent conductivity, and the polyacrylate has good adhesion, and the conductive polymer with a three-dimensional interpenetrating network structure formed by blending of the two has the functions of not only more tightly bonding the positive active material together and enhancing the electronic conductivity of the positive active material, but also enhancing the adhesion and conductivity between the positive active material and the current collector and reducing the ohmic resistance of the pole piece.

The application discloses a preparation method of a carbon nanotube / chemical conversion graphene / polyaniline composite film for a flexible solid-state supercapacitor. First, graphene oxide is moderately reduced to prepare chemical conversion graphene (CCG) with partial reduction and high oxidation activity. Then, a three-dimensional network structure is constructed by adding carbon nanotubes (CNT) to the CCG intercalation to obtain a composite material CNT / CCG with a larger specific surface area and more active sites. Polyaniline is introduced into the CNT / CCG composite material through in-situ polymerization to obtain a carbon nanotube / chemical conversion graphene / polyaniline composite film (CNT / CCG / PANi). The electrochemical test results show that the specific capacitance of the CNT / CCG / PANi is 706 mF cm ‑2 at a current density of 0.1 mA cm ‑2 , and the specific capacitance is still 78% of the original value after 3000 cycles at 1 mA cm ‑2 . The energy density of the flexible supercapacitor prepared by using the CNT / CCG / PANi composite electrode material is as high as 245 mW cm ‑2 , and the power density is 124 mWh cm ‑2 . The flexible solid-state supercapacitor with the CNT / CCG / PANi electrode has a potential application prospect as an energy storage device.

The application belongs to the technical field of all-vanadium redox flow battery separators, and specifically discloses a sulfonated polyether ether ketone / polyaniline composite membrane as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing polyether ether ketone with concentrated sulfuric acid, heating and reacting in a water bath, and preparing sulfonated polyether ether ketone solids; mixing molybdenum disulfide with toluene, ultrasonicating, adding 1,3-propanesultone, and heating in an oil bath to prepare sulfonated molybdenum disulfide powder; mixing the sulfonated molybdenum disulfide powder, polyaniline and a DMF solution, stirring and ultrasonicating, adding sulfonated polyether ether ketone solids, stirring to obtain casting membrane slurry, coating on a glass plate, drying into a film, sequentially immersing in a sulfuric acid solution and deionized water, and obtaining the sulfonated polyether ether ketone / polyaniline composite membrane. The application discloses a sulfonated polyether ether ketone / polyaniline composite membrane as well as a preparation method and application thereof. The sulfonated polyether ether ketone / polyaniline composite membrane has high proton conductivity, can maintain a low vanadium ion permeability, and improves the electrochemical performance of an all-vanadium redox flow battery.

The invention relates to the technical field of gas adsorption materials, in particular to a dissimilar metal-organic framework confinement polyaniline composite adsorbent and a preparation method and application thereof. The preparation method comprises the following steps: adopting chromium-copper dissimilar metal matching, and constructing a stable Lewis acid site in an MIL-101 skeleton; introducing a sulfonic acid group through a ligand exchange strategy, and establishing a Bronsted acid site; and finally, carrying out confinement polymerization on aniline in MOF pore channels to form rich hydrogen bond binding sites so as to obtain the dissimilar metal-organic framework confinement polyaniline composite adsorbent. According to the dissimilar metal-organic framework confined polyaniline composite adsorbent disclosed by the invention, through triple synergistic effects of dissimilar metal Lewis acid sites, sulfonic acid group Bronsted acid sites and polyaniline hydrogen bond sites, a multiple ammonia gas capture mechanism is constructed, and the adsorption efficiency and adsorption effect on ammonia gas are remarkably improved.

The invention belongs to the field of nickel-zinc batteries, and particularly relates to a graphene-based zinc oxide / manganese dioxide-polyaniline composite nickel-zinc battery negative electrode material, a preparation method thereof and a nickel-zinc battery. The graphene-based zinc oxide / manganese dioxide-polyaniline composite nickel-zinc battery negative electrode material comprises a three-dimensional graphene substrate, composite particles loaded on the three-dimensional graphene substrate, and a sulfonated modified polyaniline layer coating the surfaces of the composite particles. The composite particles comprise zinc oxide and manganese dioxide. Through directional coordination of-SO3H groups in the sulfonated polyaniline layer and zinc ions, uniform deposition of the zinc ions on the surface of the electrode is effectively guided, and generation of dendritic crystals is inhibited. In addition, the sulfonated polyaniline layer also has good alkali resistance and conductivity, can still maintain a stable interface environment under a high-temperature condition, effectively inhibits the occurrence of side reactions, and enables the nickel-zinc battery to still maintain high coulombic efficiency under a high-temperature environment of 50 DEG C.

A solid electrolytic capacitor including a porous body containing a valve metal, a dielectric layer formed on a surface of the porous body, and two or more conductive layers covering the dielectric layer, the two or more conductive layers including a first conductive layer formed on a surface of the dielectric layer and a second conductive layer laminated on the first conductive layer, the second conductive layer contains a polyaniline composite in which polyaniline is doped with a proton donor.

The present invention belongs to the technical field of polyaniline synthesis, and specifically relates to a rapid self-polymerizing polyaniline buffer and a rapid self-polymerization method. Aniline monomer is dissolved in a water-soluble salt solvent to prepare a polyaniline precursor buffer, which is allowed to stand for self-polymerization at room temperature, and then self-polymerizes and grows on a substrate to form polyaniline. The beneficial effect of the present invention is that a method for preparing a rapid self-polymerizing polyaniline buffer is developed, which does not require an initiator. The polyaniline prepared by the rapid self-polymerization method has excellent conductivity. This buffer can realize large-scale production to prepare conductive polymer polyaniline powder and form a coating with uniform thickness on the surface of the substrate through coating and impregnation processes, and rapidly polymerizes and grows to form a stable and dense polyaniline composite layer. This rapid self-polymerizing polyaniline buffer will have broad application prospects in the fields of supercapacitor electrode materials, electromagnetic shielding, microwave absorption, and metal anti-corrosion coatings.

The embodiment of the invention provides a polyaniline composite anticorrosive coating based on in-situ polymerization on chitosan and a preparation method. The polyaniline composite anticorrosive coating consists of the following components: chitosan, an aniline monomer, an oxidizing agent, deionized water and an acidifying agent. A multi-layer protection structure is constructed on the metal surface through the adhesiveness, the film-forming property and the slow-release characteristic of the chitosan substrate layer in combination with the conductivity and the corrosion resistance of polyaniline. The chitosan provides good mechanical support and adhesive force, and the durability of the coating is enhanced; and polyaniline provides effective electrochemical protection, so that the anti-corrosion service life of the coating is prolonged. The polyaniline composite coating is polymerized on the chitosan in situ, so that efficient and long-acting metal protection is realized, the environment-friendly requirement is met, and the application potential is wide.

The invention relates to the field of microbial fuel cells, in particular to a polyaniline composite tungsten-based material and a preparation method and application thereof. The preparation method comprises the following steps: putting a tungsten-based material modified carbon paper electrode into an aniline solution, dropwise adding an ammonium persulfate solution, continuously stirring to enable polyaniline to uniformly grow in situ, and drying after reaction to obtain the polyaniline composite tungsten-based semiconductor modified carbon paper. The specific surface area of the electrode is increased by utilizing the polyaniline nanostructure, and charge transfer between microorganisms and the electrode and energy storage of the battery are facilitated. Therefore, a device assembled by using the polyaniline composite tungsten-based semiconductor modified carbon paper composite electrode as an anode has excellent power output, and a promising choice is provided for the anode of a microbial fuel cell.

The invention discloses a preparation method of a silicon-carbon polyaniline composite material based on gradient carbon nanotube distribution, which comprises the following steps: designing a multi-layer coating structure with gradient carbon nanotube distribution, and combining the conductivity and flexibility of polyaniline; the gradient carbon nanotube distributed silicon-carbon polyaniline composite material with high capacity, low expansion and excellent cycle stability is provided, the composite material is applied to a high-capacity negative electrode of a lithium ion battery, and the bottleneck problems of low first efficiency and short cycle life caused by volume expansion and poor conductivity of a silicon-based negative electrode are systematically solved.

This invention relates to the field of electrochromic functional thin film preparation technology, and particularly to a Prussian blue / polyaniline composite electrochromic thin film, its preparation method, and its applications. The invention employs a constant current method to deposit a Prussian blue underlayer on the surface of a transparent conductive substrate; the obtained Prussian blue underlayer is pre-activated in a potassium-containing electrolyte; subsequently, a polyaniline surface layer is deposited in a polymerization solution containing aniline monomers and an acidic electrolyte using a segmented constant potential method; and finally, a post-conditioning treatment is performed to obtain the Prussian blue / polyaniline composite electrochromic thin film. By introducing a pre-activation step, a segmented deposition step, and a post-conditioning step, this invention improves the interfacial bonding, ion transport, and surface uniformity of the composite film, reducing agglomeration and scattering losses caused by continuous overgrowth of polyaniline. This results in a composite film with fast response, high transmittance adjustment capability, and good cycling stability, making it suitable for electrochromic display devices, smart windows, and transmittance-adjustable optical devices.

The present invention provides a polyaniline / Prussian blue / polyaniline composite electrode material and its preparation method and application. The preparation method comprises the following steps: (1) forming a three-electrode system with a working electrode, a reference electrode, and a counter electrode, using an electrodeposition solution as an electrolyte, and performing an electrodeposition polymerization reaction on the surface of the working electrode to form a polyaniline conductive substrate; (2) placing the working electrode with a polyaniline layer deposited on the surface in a metal salt aqueous solution, first adding sodium citrate dihydrate, and then adding a potassium ferricyanide solution for reaction, thereby forming a Prussian blue layer on the surface of the polyaniline layer; (3) forming a three-electrode system with a working electrode with a polyaniline layer and a Prussian blue layer deposited on the surface, a reference electrode, and a counter electrode, using an electrodeposition solution as an electrolyte, and performing an electrodeposition polymerization reaction on the surface of the Prussian blue layer of the working electrode to form a polyaniline protective layer; thus, the polyaniline / Prussian blue / polyaniline composite electrode material is prepared. The composite material of the present invention has a higher desalination capacity.

The application belongs to the technical field of aluminum batteries, and particularly relates to a graphite@polyaniline composite material and a preparation method and application thereof. In-situ growth of polyaniline is utilized to expand the interlayer spacing of graphite nanolayers, which is beneficial to embedding / detaching reactions in the reaction process of aluminum-graphite batteries, and the actual specific capacity of the aluminum-graphite batteries is improved. The process is simple, the cost is low, the aluminum ion secondary battery with high stability and high capacity can be obtained, and the application is green and environment-friendly.

The invention discloses a carbon micro powder / polyaniline composite yarn capable of being used for a supercapacitor and a preparation method thereof. The composite yarn provided by the invention is of a multi-layer columnar structure, the outer layer is polyaniline, the middle layer is a non-woven fabric strip, and the core layer is carbon micro powder. The method comprises the following steps: firstly, preparing fibers into carbon micro-powder, and constructing a fine carbon micro-powder pore structure by accurately regulating and controlling the time and temperature of a carbonization process; then, carbon micro powder is arranged in non-woven fabric strips through a particle flow spinning technology and twisted into yarn; and finally, polymerizing a polyaniline conductive layer on the surface of the yarn body in situ. According to the yarn, through the design of the multi-layer composite structure, the loading capacity of the carbon micro powder is greatly increased, the energy storage performance of the yarn is improved, polyaniline attachment sites are increased through the porous network structure of the non-woven fabric strips, the polyaniline falling risk is reduced, and the flexibility of the yarn is improved. The comprehensive electrochemical performance of the yarn-based energy storage device is remarkably improved, and the yarn-based energy storage device has wide application prospects in the fields of flexible electronics, wearable equipment and the like.

The invention discloses a polyaniline composite material. The polyaniline composite material comprises a carrier, iron and polyaniline, wherein the surface of the iron is provided with a Fe2O3 layer, the iron is uniformly distributed on the surface of the carrier, the carrier and the iron are coated with the polyaniline, and the polyaniline is in a nanofiber shape. The invention also discloses a preparation method of the polyaniline composite material, which is characterized by comprising the following steps: uniformly mixing the carrier, the iron powder and the aniline, standing, and adding an initiator solution for polymerization reaction to obtain the polyaniline composite material. The invention also discloses the polyaniline composite material and application of the polyaniline composite material prepared by the method in selective adsorption of bromide ions and preparation of elemental bromine by catalytic oxidation. The invention also discloses a method for preparing the elemental bromine from the high-salinity brine. According to the polyaniline composite material, high-halogen brine is used as a raw material, a large amount of Br <-> can be adsorbed, oxidation and desorption are carried out synchronously, and the elemental bromine and the activated polyaniline composite material are prepared synchronously.

The invention relates to a printed circuit board embedded resistance material and a high-frequency impedance regulation and control method thereof, the resistance material comprises modified polyaniline, a high-molecular polymer and a curing agent, and the agglomeration problem of polyaniline in the high-molecular polymer is effectively solved. The regulation and control method comprises the following steps: preparing a printed circuit board embedded resistor material; acquiring physical parameters and impedance data of the resistance material; establishing a relation model of the impedance data and the physical parameters of the resistance material; according to the impedance requirement of the embedded resistor material, mapping physical parameters of the resistor material through the established relation model; and selecting a high-molecular polymer with a corresponding dielectric constant and modified polyaniline with corresponding conductivity and mass fraction according to the obtained physical parameters of the resistance material to obtain the required resistance material. According to the method, a complicated parasitic parameter problem is converted into a measurable and controllable material formula problem, and a brand new solution is provided for realizing'accurate design 'and'on-demand preparation' of impedance of the polyaniline composite material.

The invention relates to a flexible ammonia concentration and distance double-parameter sensing element and a preparation method thereof, and belongs to the technical field of flexible sensors. According to the sensing element, a polyimide (PI) flexible substrate with a central electrode lead is used as a substrate, and a spiral carboxylated multi-walled carbon nanotube and dodecylbenzene sulfonic acid doped polyaniline composite material (MWCNT-COOH-DBSA-PANI) is used as a sensitive material; according to the sensing element, the distance is detected through an eddy current effect generated by a spiral sensitive material, and the ammonia gas concentration is detected by virtue of the synergistic gas-sensitive characteristics of MWCNT-COOH and DBSA-PANI; wherein the DBSA-PANI is used as a p-type semiconductor material and endows the sensor with the capability of detecting ammonia gas (NH3) at normal temperature, the MWCNT-COOH is used for constructing a three-dimensional conductive network and is connected with the DBSA-PANI, a rough surface structure formed by the MWCNT-COOH provides more active sites for NH3, and the NH3 adsorption capability of the sensing element is enhanced. The sensing element prepared by the invention has the advantages of flexibility, simple structure and convenience in attachment, and is suitable for synchronously sensing the ammonia concentration and distance between narrow curved surface layers of complex industrial equipment.

The present invention discloses a polyaniline-doped broadband absorbing composite material and its preparation method. CoNi alloy nanoparticles are prepared using a hydrothermal method. Then, a polyaniline-coated CoNi composite is formed on the surface of the CoNi alloy using an in-situ polymerization method. Finally, the polyaniline / CoNi composite is combined with carbon fibers and polypropylene to produce the polyaniline-doped broadband absorbing composite material. The resulting absorbing material exhibits excellent electrical conductivity, a minimum reflection loss of less than 38 dB, and an absorption band less than 10 dB greater than 4.5 GHz, demonstrating excellent broadband absorbing performance. The resulting absorbing material also exhibits excellent mechanical properties, with the tensile strength of the strips exceeding 25 MPa, demonstrating superior overall performance.

The invention belongs to the technical field of membrane separation, and particularly relates to a preparation method of a polytetrafluoroethylene composite membrane. The preparation method comprises the following steps: (1) dissolving a spinning auxiliary agent, a barium source, a titanium source and a manganese source in a composite solvent, and carrying out electrostatic spinning to prepare precursor fibers; then blending the precursor fiber with a grain refiner, and carrying out heat treatment to obtain a doped ferroelectric fiber bundle; (2) further carrying out polymerization reaction on the organic acid, the inorganic acid, the conductive filler and the conductive polymer with a monomer and an oxidizing agent to finally prepare a conductive polyaniline compound; (3) doping the Mxene and conductive polyaniline compound into the PTFE water-based emulsion, continuously doping the doped ferroelectric fiber bundle, and stirring to obtain a suspension; the suspension is subjected to laying, post-treatment and heat preservation, and the polytetrafluoroethylene composite film is obtained. According to the preparation method, the doped ferroelectric fiber bundles, the conductive polyaniline compound, Mxene and PTFE are doped, so that the pollution resistance of the polytetrafluoroethylene film in long-term use is improved.

The application belongs to the field of water treatment, and particularly relates to application of a molybdenum disulfide / polyaniline composite MoS2@PANI in cooperation with copper ion activated persulfate in degradation of antibiotics in water. The MoS2@PANI is synthesized by modification of MoS2 with PANI. The degradation method is to add MoS2@PANI, Cu(II) and persulfate into water containing antibiotics to be treated to form a degradation reaction system, and then to degrade and remove the antibiotics. The application is green and efficient, and can effectively improve the removal rate of Cu(II) / persulfate in degradation of antibiotics in water by adding MoS2@PANI as a catalyst, thereby reducing the addition amount of Cu(II) and persulfate, further expanding the applicable pH environment, and having a broad industrial application prospect.

The invention discloses a step-by-step electro-deposition preparation method of a sulfur / polyaniline composite positive electrode. Sulfur is deposited firstly, then aniline is polymerized, and the prepared composite positive electrode has high specific capacity and excellent cycling stability. Under the 0.2 C multiplying power, the specific capacity of the first circulation area reaches 140 mu Ah / cm < 2 >, the specific capacity retention ratio after 100 times of circulation is 89.9%, and the specific capacity retention ratio is obviously superior to that of a pure sulfur positive electrode (58 mu Ah / cm < 2 >, 85.1%). The invention discovers and utilizes the synergistic effect of the electropolymerization process of aniline on the in-situ activation and morphology reforming of sulfur. The invention provides a new way for preparing the positive electrode of the high-performance lithium-sulfur battery.

The present invention belongs to the technical field of asphalt preparation, and provides a high-modulus composite modified asphalt material based on natural asphalt and a preparation method thereof. Natural asphalt is separated into a high-molecular-weight asphaltene segment and a medium- and low-molecular-weight colloid segment, and activated asphaltene and colloid segments are prepared by alkali treatment and spray drying; a dynamic cross-linked polymer is synthesized based on a styrene-butadiene-styrene block copolymer and a polyurethane prepolymer through steps such as hydrazide reaction, introduction of boric acid groups, and glutaraldehyde cross-linking; organically modified clay and phenylated chitosan are prepared, and a polyaniline composite material is prepared by in-situ polymerization of aniline to obtain a PANI@clay-biomass composite. The ultraviolet absorption characteristics of polyaniline synergize with the shielding effect of montmorillonite to improve the material's resistance to ultraviolet aging. The above-mentioned multiple modified materials are compounded with a natural asphalt base through multi-stage temperature-controlled dispersion to obtain a high-modulus composite modified asphalt material based on natural asphalt.

The application discloses a kind of polyaniline composite flexible electrode materials, preparation method and supercapacitor, preparation method includes the following steps: using two-step method in aniline structure Introduction sodium sulfonate and cyano, obtain modified aniline;Graphene oxide is reacted with 3-amino propyl triethoxysilane and is obtained modified graphene oxide;Again with polyvinyl alcohol as space stabilizer and template agent, mediate aniline, modified aniline, modified graphene oxide in situ polymerization, obtain polyaniline derivative preform solution;Then introduce hydrophilic hydrogel and obtain polyaniline composite flexible electrode material.The polyaniline composite flexible electrode material provided by the application has good cycle stability, excellent electrochemical performance and mechanical properties.The specific capacitance value and cycle stability of supercapacitor can be significantly improved by assembling the composite flexible electrode material into supercapacitor.

This invention relates to the field of polymer materials technology, and particularly to a high-adhesion modified polyaniline composite material and its preparation method, comprising the following steps: (1) washing glass fibers with acetone to obtain pretreated glass fibers; (2) preparing a silane hydrolysate; (3) immersing the pretreated glass fibers in the silane hydrolysate to obtain mercapto-modified glass fibers; (4) preparing compound (I) of formula I using mercaptoacetic acid and aniline as the starting point for synthesis; (5) preparing modified polyaniline by combining the compound of formula I with p-phenylenediamine and aniline; (6) crosslinking the mercapto-modified glass fibers and modified polyaniline through disulfide bonds to obtain the modified polyaniline composite material. The modified polyaniline composite material of this invention has good adhesion, resistance to damp heat, impact resistance, electrical conductivity, and self-healing ability.

The invention provides a red photoresist composition with low curing temperature and high sensitivity, and belongs to the technical field of photoresist. Comprising the following components: film-forming resin, a photoactive compound, a red colorant, an active diluent, a photoinitiator, a nano cerium oxide-polyaniline composite modifier, an adhesion promoter, a defoaming agent and a solvent. According to the technical scheme, all the components have a synergistic effect, after cerium oxide in the composite modifier is pretreated through the silane coupling agent KH-550, amino groups introduced to the surface can form hydrogen bonds with amino groups of polyaniline, and uniform dispersion in the in-situ polymerization process is achieved; during exposure, cerium oxide absorbs ultraviolet light and then transmits energy to the photoinitiator, 1173 decomposition is accelerated to generate free radicals, meanwhile, a conjugated structure of polyaniline can serve as a free radical channel, rapid diffusion of the free radicals in a system and rapid reaction of the free radicals and unsaturated double bonds in the reactive diluent are promoted, and activation energy of a cross-linking reaction is remarkably reduced.