64 results about "Polyaniline derivatives" patented technology

The invention relates to a flexible transparent conductive thin film and a preparation method thereof. The flexible transparent conductive thin film comprises a transparent substrate and a conductive layer, wherein the conductive layer is overlapped on the transparent substrate and is made of conductive polymer, silver nanowires and curing resin, the silver nanowires and the curing resin are dispersed in the curing resin, the silver nanowires are mutually overlapped, the silver nanowires and the conductive polymer form a conductive network, and the conductive polymer is at least one of polypyrrole, polypyrrole derivative, polythiophene, polythiophene derivative, polyaniline, polyaniline derivative, polyacetylene, polyacetylene derivative, and poly (sodium 4-styrenesulfonate). The flexible transparent conductive thin film has the advantages that the conductivity is better, and the transparency rate is higher.

The invention discloses a water dispersing carbon nanometer pipe and making method of modified conductive polyaniline derivant surface, which is characterized by the following: dissolving the water-soluble phenylamine derivant monomer into inorganic acid solution; adding carbon nanometer pipe to be dispersed evenly through ultrasound; oxidizing and polymerizing to coat the water-soluble conductive phenylamine derivant on the carbon nanometer pipe surface evenly acted by oxidizer through original position chemistry; obtaining the product with simple and feasible method, strong controllability as well as good water dispersion and superior conductivity; fitting for making high-strength, antistatic and microwave-adsorbing material as mass transmitting and transferring carrier for special functional nanometer element and different systems; displaying wide applying prospect in the material science, nanometer technique and life science.

The invention relates to a polyaniline, comprising aniline units and organosulphur units, characterized in that the polyaniline is doped and has a number average degree of polymerization of approximately 5 to approximately 50. The scope of the invention also includes a process for the preparation of polyaniline, wherein aniline and at least one organosulphur unit are converted to a polyaniline derivative in an oxidative, acid-catalyzed polymerization reaction. A subject of the invention is also a coated substrate which is coated with the polyaniline according to the invention and also a process for the coating of the substrate. The scope of the invention furthermore also includes a coating composition which is suitable for the coating of the substrate. The invention thus also relates to a process for the preparation of the coating composition. A subject of the invention is also the use of polyaniline which is doped and has sulphur in the main polymer chain for water treatment and/or for the purification of air and also a purification reactor for carrying out the purification process.

The invention relates to a self-doped electric active polyamic acid, a preparation method and an application thereof in an electrochromic aspect, belonging to the field of functional polymer materials. According to the preparation method disclosed by the invention, the polyamic acid containing an aniline chain segment on a side chain with a sulfuric acid group is firstly synthesized through a ternary copolymerization way; and then, the polymer solution is spin-coated on ITO (indium tin oxide) glass for being used as a working electrode. The electrochromic nature of a polymer in electrolyte solutions with different pH values is respectively determined. Compared with traditional polyaniline derivatives, the side-stranded self-doped electric active polyamic acid containing the sulfuric acid group can keep good electrochromic properties in acidic, neutral and weakly alkaline solutions. The self-doping effect of the sulfuric acid group and a carboxylic acid group in the polymer can enable the polymer to still keep the electric activity under a high pH value so as to show the electrochromic properties. The range of application of electrochromic devices of the polymer is greatly expanded.

An EL element is provided in which a conjugate polymer that has a polythiophene derivative, a polyaniline derivative, a polypyrrole derivative or a polyfuran derivative as a fundamental skeleton and is soluble in an organic solvent is oxidized in its main chain with a dopant of an electron-accepting organic molecule that does not contain an acid component, and the doped conjugate polymer is used as a material to form a hole injecting layer. The polymer, being soluble in an organic solvent, can be formed in film even on a substrate high in the water repellency; that is, it can be easily formed in film on a TFT substrate and the like indispensable for an active matrix display device. Furthermore, since a dopant that does not contain an acid component is used, influence on an organic thin film and an electrode that are in contact with the hole injecting layer can be suppressed to the minimum level.

This invention is synthesis method of supply electron naphthylmercuric replacing polyanion derivant. It relates the synthesis method of supply electron naphthylmercuric replacing electron conduction polyanion derivant poly-2, 5-dimethoxyaniline. This invention provides the synthesis method of supply electron naphthylmercuric replacing polyanion derivant. Supply electron naphthylmercuric replacing polyanion derivant. Poly-2, 5-dimethoxyaniline is synthesized through emulsion polymerization, deionized water and emulsifying agent is added in tank and heated dissolve. Xylene solution of 2, 5-dimethoxyaniline is added with protection of nitrogen gas. Potassium persulphate and ammonium persulfate solution is dissolved in water and then added to reaction system. The tank is changed into distillation plant to make emulsion breaking, then through filtration, scrubbing, drying. Improving the dissolve workability of polyaniline has little affection to conductivity. Polymer over oxidation, crosslinking, degradation by electrochemistry polyreaction is avoide, polymerisate molecular weight can be improved, and half oxidation state polymer of good electrochemistry is got. Polymer film of certain conductivity and thickness is easy to get, it is good to decorate electrode.

Provided are charge-transporting varnishes that can form satisfactory thin films and can provide organic EL elements that can exhibit excellent emission efficiency and luminance characteristics when used for EL elements that have a structure on a substrate. The charge-transporting varnishes comprise quinone diimine derivatives represented by general formula (1) that are oligoaniline derivatives or oxides thereof, electron-accepting dopant substances or hole-accepting dopant substances, and at least one kind of silane compound.

[In the formula, R¹, R² and R³ each independently represents a hydrogen atom, a halogen atom, a hydroxyl group, etc. A and B each independently represents a divalent group represented by general formula (2) or (3).

(In the formulas, R⁴-R¹¹ each independently represents a hydrogen atom, a halogen atom, a hydroxyl group, etc.) m and n are each independently integers of 1 or greater and satisfy m+n≦20.]

The invention relates to a polymer material for adsorbing antibiotics, a preparation method and an application thereof. The polymer material is a polyaniline derivative polymer material obtained by reacting certain amount of acid solutions of aniline and ortho-aminophenol under the action of an initiator to generate solid precipitates, and performing separation, washing, vacuum drying, and grinding of the precipitates. The polyaniline derivative polymer material of the invention is used for adsorbing antibiotic pollutants such as tetracycline, terramycin, aureomycin, norfloxacin and the like, and has better adsorptive property than conventional adsorption materials. The polyaniline derivative has a maximum adsorption capacity of 127.14 mg/g, and the preparation method of the invention is simple in steps, low in cost, and convenient to operate. The polymer material and the preparation method of the invention have wide application prospects in the field of antibiotic treatment for sewage.

The invention discloses a polyaniline derivative-loaded salen catalyst as well as a preparation method and application of the catalyst. The catalyst is prepared by carrying out axial coordination loading on a coupling agent-modified polyaniline derivative and a salenMX catalysis system. The catalyst is applied to carbon dioxide copolymerization, a reaction method is simple, the cost is low, the catalysis efficiency is high, a product is good in selectivity and temperature resistance and high in glass-transition temperature, and the catalyst can be recycled for three times.

The invention discloses an anionic N-substituted aniline ionic liquid. The anion of the ionic liquid contains an N-substituted aniline structure, and preferably the structure of the anionic N-substituted aniline ionic liquid is shown in the formula (I). The anionic N-substituted aniline ionic liquid is obtained by making an aqueous solution of a cationic halide salt (AX) pass through anion exchange resin and then carrying out neutralization reaction, or directly carrying out ion exchange. The anionic N-substituted aniline ionic liquid not only has the properties and application of general ionic liquids such as serving as a reaction medium, an additive for polymer materials and the like, but also can act as a corrosion inhibitor to slow the corrosion of metals by acidic media, and even canbe used as a reaction monomer for preparing a polyionic liquid type polyaniline derivative through auto-oxidation polymerization or oxidative copolymerization with aniline, or for preparing a crosslinked polyionic liquid type polyaniline derivative further through other polymerization means such as radical polymerization and the like.

A charge-transporting varnish comprising a solution or dispersion of at least one charge-transporting polymer comprising repeating units represented by the general formula (1) in at least one solvent, wherein the polymer is at least one polymer selected from among polyimide precursors having number-average molecular weights of 1,000 to 100,000 and polyimides obtained by cyclodehydration of the precursors; a charge-transporting varnish comprising a solution or dispersion in at least one solvent of both a charge-transporting substance consisting of a charge-transporting oligoaniline derivative having a number-average molecular weight of 250 to 5,000 or a charge-transporting organic material consisting of the substance and a charge-receiving dopant and at least one charge-transporting polymer comprising repeating units represented by the general formula (1); charge-transporting thin films formed by using the varnishes; and organic electroluminescent devices provided with the thin films: (1) wherein Ar¹ to Ar³ are each independently monovalent aryl; Ar⁴ to Ar⁷ are each independently divalent aryl; X¹ and X² are each independently a divalent organic group; X³ and X⁴ are each independently a single bond, —O—, —S—, —C(O)NH—, —NHC(O)—, imino which may be substituted with a monovalent hydrocarbon group, alkylene of 1 to 5 carbon atoms which may have a branched structure, or alkylenedioxo of 1 to 5 carbon atoms which may have a branched structure; n is 0 or a positive integer of 3 or below; and i and j are each independently 0 or 1.

Disclosed is an organic photoelectric conversion element that comprises a cathode; an anode, which is formed on a substrate by an application method; and an active layer, which is disposed between the anode and the cathode; wherein the anode contains polyaniline, a polyaniline derivative or a mixture of a polyaniline and a polyaniline derivative.

The invention discloses a method for preparing a 2-amino biphenyl derivative. The method concretely comprises the following steps: dissolving a polyaniline derivative, a phenylhydrazine derivative and a phthalocyanine metal complex catalyst into a solvent, and reacting at 20-80 DEG C, so as to obtain the 2-amino biphenyl derivative. The polyaniline derivative is used as an initiator, and the prepared 2-amino biphenyl derivative is available in raw material and diverse in variety. The product obtained by using the method disclosed by the invention is diverse in variety, can be directly used, and also can be used for further reaction with the others. Meanwhile, the method is mild in reaction conditions and simple in reaction operation and post-treatment process, the reaction process is catalyzed, the dosage of a reagent and generation and emission of a reaction waste are greatly reduced, and the method is high in productive rate and applicable to large-scale production.

The invention relates to the field of coatings, in particular to an environmentally-friendly anticorrosive composite coating. The environmentally-friendly anticorrosive composite coating comprises thefollowing components in parts by weight: 100-150 parts of resin matrix, 10-15 parts of a waterborne polyaniline anticorrosive additive and 2-10 parts of deionized water, wherein the resin matrix is raw lacquer or waterborne resin; the waterborne polyaniline anticorrosive additive comprises polyaniline or a polyaniline derivative; the waterborne polyaniline anticorrosive additive further comprisesa modifying agent; the modifying agent can be sodium ligninsulfonate, phosphoric acid and ammonium persulfate. The environmentally-friendly anticorrosive composite coating has the benefits that: through the addition of the waterborne polyaniline anticorrosive additive into the raw lacquer or the waterborne resin, the composite anticorrosive coating has excellent anticorrosive performance, meanwhile, the coating has high solid content and low VOC and is the environmentally-friendly anticorrosive composite coating.

The invention relates to a polyaniline derivative, a preparation method of reductive poly Schiff base of the polyaniline derivative and application of the polyaniline derivative, in particular relates to a polyaniline material as well as a preparation method and application thereof, and is mainly used for solving the technical problems that the existing polyaniline has poor dissolubility in an organic solvent and is difficultly processed into a film. The structure formula of the polyaniline derivative is shown in the specification. The preparation method of the polyaniline derivative comprises the following steps: adding conjugated poly Schiff base, a solvent and sodium borohydride in a three-neck flask, heating to 10-70 DEG C, and stirring and refluxing for 10-72 hours; cooling, pouring a product obtained from the former step into methanol; and filtering and drying to obtain the polyaniline derivative. The polyaniline derivative can be used as photoelectric materials including an electrochromic material, a fluorescent sense material, an acidic sense material, a cavity transmission material, a three-order non-linear material, an anti-counterfeiting material, a camouflage material and an automobile rearview mirror material, and can also be used for proton detection.

The invention discloses a synthetic method for an isatoic anhydride derivative. The method includes: reacting polyaniline derivatives shown by a formula (II) or (III) with carbon oxide with existence of Pd and Cu, or Fe and Cu metal salt catalysts in catalytic amount to obtain the isatoic anhydride derivative shown by a formula (I), wherein R1 refers to hydrogen, halogen, nitryl, alkyl, alkoxy, ester, acyl, naphthenic base, aryl or arylalkyl, and the R2 refers to hydrogen, alkyl, alkoxy, naphthenic base, aryl or arylalkyl. The synthetic method for the isatoic anhydride derivative has the advantages of mild reaction condition, simplicity in operation, wide applicable range, low production cost, high synthetic yield and the like.

The invention discloses a preparation method of an electrochromic polyaniline derivative film in covalent bond with ITO (indium tin oxide). In the invention, 4-aminobenzyl phosphonic acid, ammonium persulfate, aniline or substituted aniline easily reacting with ITO surface hydroxyl is used as a raw material. The method comprises the following steps: firstly performing cleaning and hydroxylation treatment on the surface of ITO glass; secondly, modifying the ITO glass with 4-aminobenzyl phosphonic acid so that a modifying agent is combined to the glass surface in a form of covalent bond; and finally, preparing the electrochromic polyaniline derivative film in covalent bond with ITO by a chemical oxidation method. The method disclosed by the invention is simple, the product composition is uniform and easy to control, and large-scale preparation can be realized. The obtained film has a flat surface and is closely combined with ITO glass, and the film does not drop due to strong adhesion. The method can be applied to the fields such as electrochromic devices, novel infrared emission devices and polymer electrodes.

The invention relates to a preparation method of magnetic fluids with polyaniline derivatives wrapping nano magnetic particles. By step-by-step interpenetrating reactions, polyaniline derivatives can form chemical bonds firmly wrapping Fe3O4 nano particles. The method specifically includes: using anthranilic acid to modify the surfaces of the Fe3O4 nano particles, adding aniline monomer for polymerization to form the polyaniline derivatives, inoculating dodecylbenzene sulfonic acid to the surfaces of the Fe3O4/polyaniline derivative composite particles, and allowing the Fe3O4/polyaniline derivative composite particles to be stably scattered in basic carrier liquid due to the alkane parent non-polar features of the dodecylbenzene sulfonic acid so as to obtain the magnetic fluids with polyaniline derivatives wrapping nano Fe3O4 particles. The photoelectric performance of the magnetic fluids can change regularly under the action of a regularly changed magnetic field, so that the photoelectric performance indexes of the magnetic fluids can be adjusted by adjusting the strength of the magnetic field, a novel research branch is developed in researches of magnetic fluids, and signification research and application values are achieved.

The invention discloses a novel iron-nickel-nitrogen co-doped carbon catalyst. The catalyst is prepared by the following steps: firstly, carrying out oxidative polymerization reactions on a triaryl imidazole aniline derivative (TPI-NH2) to obtain a triaryl imidazole polyaniline derivative polymer (TPANI); mixing TPANI, an iron source, a nickel source and melamine to carry out reactions to obtain aTPANI/melamine/Ni-Fe mixture; and finally, carrying out a heat treatment on the TPANI/melamine/Ni-Fe mixture in a protective gas atmosphere to obtain the iron-nickel-nitrogen co-doped carbon catalyst(NiFe/N-C). The iron-nickel-nitrogen co-doped carbon catalyst has a large specific area and abundant pore structures, and shows excellent ORR and OER catalytic activities in the application of zinc-air batteries at the same time.

The invention relates to a flame-retardant high-property PC/ABS alloy. The alloy comprises the following components in parts by mass: 60-80 parts of polycarbonate, 20-30 parts of an acrylonitrile-butadiene-styrene copolymer, 30-40 parts of ABS/PP grafted maleic anhydride, 0.3-0.8 part of an anti-drip agent, 0.3-0.5 part of an antioxidant, 2-7 parts of a toughening agent, 0.1-0.5 part of a lubricant, 1-7 parts of an anti-stress cracking agent, 0.5-3 parts of a flowing agent, 10-20 parts of a macromolecule conductive polyaniline derivative, 2-7 parts of an anti-aging agent, 2-7 parts of nano boron carbide, 3-10 parts of a liquid flame retardant and 2-7 parts of a solid flame retardant. As the liquid flame retardant and the solid flame retardant are simultaneously used in the raw materials of the alloy provided by the invention, the alloy is very good in flame retardant effect, the flame retardant effect can be up to UL94-V0 grade, not only is dust prevented from combustion, but also the situation that the raw materials are volatilized as the reaction temperature is increased in the production process can be also avoided, and thus the raw materials are saved.

The invention discloses an intercalation nanocomposite material of a polyaniline or a polyaniline derivative, and inorganic clay by mechanochemical polymerization method. The method comprises the following steps of: (1) placing inorganic clay into a round-bottom flask with a branch port, vacuum-pumping, fully filling with argon, adding aniline or an aniline derivative, wrapping a tin foil out of the round-bottom flask after magnetically stirring, and stewing out of light under normal temperature, to obtain a blending fluid suspension; (2) grinding the blending fluid suspension, adding an oxidizing agent, covering a mortar with a tunnel in a grinding process, introducing argon into one end of the tunnel, continuously grinding, until to become atropurpureus completely; and (3) washing after reaction, filtrating, and vacuum-drying until constant weight, to obtain the intercalation nanocomposite material of inorganic clay. The prepared nanocomposite not only makes polyaniline or the polyaniline derivative have good dispersibility and high mechanical strength, but also raises water solubility and processing temperature of polyaniline or the polyaniline derivative. The method has advantages of simple preparation method and high polymer intercalation rate, and has a practical application meaning.

The invention provides a method for preparing polyaniline derivatives containing electron-donating substituents on the benzene ring, relates to a method for preparing polyaniline-poly2,3-dimethylaniline substituted by electron-donating groups, and provides a protonic acid-doped Preparation method of poly-2,3-dimethylaniline and its application in anti-corrosion coatings. Disclosed is a method for synthesizing poly-2,3-dimethylaniline by solution in-situ polymerization, the method comprising: adding distilled water, protonic acid and 2,3-dimethylaniline to a container; adding sodium persulfate or persulfuric acid Ammonium is used as an oxidant, dissolved in distilled water, and slowly dropped into the reaction system; after the reaction is completed, suction filtration, washing, drying, and grinding can obtain doped poly-2,3-dimethylaniline powder. The poly-2,3-dimethylaniline provided by the invention improves the solubility and dispersibility of the polyaniline, and is better than the intrinsic state polyaniline in anticorrosion performance.

The invention relates to a preparation method for poly-N-[5-(8-hydroxy-quinoline) methyl] aniline-metal complex. The preparation method mainly comprises the following steps: taking ammonium persulfate as oxidant in acidic aqueous solution containing metal ion to perform oxypolymerization on 5-[(anilino group) methyl]-8-hydroxy-quinoline monomer; moreover, obtaining the poly-N-[5-(8-hydroxy-quinoline) methyl] aniline-metal complex through direct coordination between the 5-[(anilino group) methyl]-8-hydroxy-quinoline monomer and metal ion. The invention provides the method used in direct preparation of fluorescence conductive poly-N-[5-(8-hydroxy-quinoline) methyl] aniline-metal complex in a water system. Moreover, the method is simple, energy-saving and environment-friendly.

The invention discloses a high-thermal-conductivity liquid crystal polymer material and a preparation method thereof. The high-thermal-conductivity liquid crystal polymer material comprises the following components, in parts by weight, 80-100 parts of liquid crystal polyamide or liquid crystal epoxy resin, 10-15 parts of a graphene modified polyaniline derivative, 10-20 parts of silane modified boron nitride nanosheets, 5-10 parts of an inorganic filler, 0.1-0.2 part of an antioxidant, 0.1-0.2 part of a heat stabilizer and 0.1-0.2 part of a flame retardant. The high-thermal-conductivity liquid crystal polymer material prepared by the method has a certain electrical conductivity, can have a good anti-static effect, and can be widely applied to electronic shells and products with high heat dissipation requirements.