26 results about "Ferrocene derivatives" patented technology

The invention discloses a method for preparing a high-molecular-weight polymer containing an organic acid group through Fenton reaction catalysis, and belongs to the technical field of Fenton reaction catalysis free radical polymerization. The preparation method comprises the following steps: sequentially adding a ferrocene derivative, a monomer containing an organic acid group, a (methyl) acrylamide monomer or a (methyl) acrylate monomer and an RAFT reagent into water, removing oxygen under the protection of inert gas, adding a hydrogen peroxide stock solution, carrying out a constant-temperature reaction, and carrying out a quenching reaction in air to obtain the polymer. The controllable synthesis bottleneck of a narrow-distribution ultra-high molecular weight carboxylic acid group-containing polymer is broken through, metal catalyst residues of ATRP and high-temperature conditions required by NMP are avoided, water is used as a reaction medium, H2O2 is used as a green oxidizing agent, the system is endowed with excellent biocompatibility and environmental friendliness, and the preparation method is suitable for industrial production. The invention provides a novel synthesis method which is accurate and controllable, simple in process and free of complex post-treatment for meeting the requirements of high-performance polymers in the fields of petrochemical engineering, biological medicine, water treatment and the like.

The invention discloses a preparation method of a high-conductivity modified carbon fiber reinforced nylon material, and the preparation material comprises the following components: 69-79.5% of nylon 6, 0.5-1.5% of modified carbon fiber and 0.5-1.5% of other assistants. 20 to 30% of modified carbon fiber; and 0.5-1% of other auxiliary agents. The preparation method comprises the following steps: modifying a ferrocene material which is mostly used for a catalyst, accurately controlling a reaction sequence, carrying out amination treatment on carbon fibers, directionally grafting an asymmetric ferrocene derivative of which one end is carboxyl and the other end is an amino group protected by a photosensitive protective agent, and releasing an amino group protected by the photosensitive protective group through ultraviolet rays during processing, according to the present invention, the damage to the group during the traditional chemical deprotection is avoided, the exposed amino group reacts with the carboxyl group of the nylon 6 chain segment to form the firm covalent bond interface so as to substantially improve the interface bonding capacity, and the existence of the ferrocene derivative provides the conductive path on the interface so as to substantially increase the conductivity, the technical problem that the carbon fiber and nylon matrix interface bonding is weak and the conductivity is difficult to consider is solved.

The invention discloses a composite propellant containing a high-nitrogen ferrocene derivative and a preparation method of the composite propellant. The composite propellant is prepared from the following components: 14.05% of hydroxyl-terminated polybutadiene (HTPB), 7.03% of diisooctyl sebacate (DOS), 0.92% of 2, 4-toluene diisocyanate (TDI), 1% of the high-nitrogen ferrocene derivative, 59% of ammonium perchlorate (AP) and 18.00% of aluminum powder (Al). N, N-dimethylaminomethylferrocene in the three high-nitrogen ferrocene derivatives has the effects of improving the burning rate of the composite propellant and reducing the pressure index as the ferrocene derivative, nitrate, picric acid, 3-nitro-1, 2, 4-triazole-5-ketone and the like are rich in C, H, O and N elements, and are similar to oxidizing agents such as typical components ammonium nitrate, HMD and the like in the composite propellant; the fuel can be decomposed to provide energy for propellant combustion; the propellant has a low combustion rate pressure index in a pressure range of 1-10 MPa, and has more excellent combustion stability.

The invention discloses a preparation method of a dicarboxylic acid compound. Under electrochemical reaction conditions, a diene compound and carbon dioxide are used as raw materials, a ferrocene derivative is used as a catalyst, an ionic liquid or quaternary ammonium salt is used as an electrolyte, and efficient utilization of carbon dioxide is realized in one step to prepare the organic dicarboxylic acid compound. The method is green, environment-friendly, safe, energy-saving, wide in substrate application range, easily available in raw materials and simple and convenient to operate.

The present application belongs to the technical field of wound dressing, and particularly relates to a multifunctional hydrogel precursor patch and a preparation method thereof. The patch is a fibrous hydrogel precursor obtained by chemical bonding of an organic polymer and a ferrocene derivative. The hydrogel precursor patch of the present application is triggered by exudate to form a 3D hydrogel in situ gelation, which is a wound healing strategy. No drug is needed, and no pre-crosslinking process of a solution-state matrix under acid-base, oxidation or light irradiation conditions is involved. In use, the solid patch is placed on the wound bed, and in a wet liquid environment, the sandwich structure ferrocene in the novel ferrocene-organic copolymer material promotes the rearrangement of the polymer chain through the "double-arm conjugation" effect, so that the irregular coil structure is mainly formed, the fluidity of the molecular chain is increased, and the hydrogel capacity is enhanced. In the gelation structure transformation process, the exudate is effectively absorbed in one direction, and the wound surface is kept clean.

The application relates to the technical field of solid and liquid fire extinguishing, and discloses a foam extinguishing agent and a preparation method and application thereof. The foam extinguishing agent contains a flame retardant, a foaming agent, a foam stabilizer, a thickening agent and a preservative, wherein the flame retardant is a phosphorus-containing ferrocene derivative shown in formula I; and the foaming agent is a zwitterionic surfactant and / or an anionic surfactant. The foam extinguishing agent contains the phosphorus-containing ferrocene derivative with a specific structure, has excellent flame-retardant effect, and has excellent fire extinguishing performance as a single flame retardant without fluorocarbon surfactants.

The present invention relates to a stable equivalent body of 2, 2 ''-bis (1-phosphinoethyl)-1, 1''-diferrocene, which is useful as a ligand in various catalytic reactions including aromatic asymmetric hydrogenation, but is difficult to synthesize and / or separate and purify, and a method for efficiently producing the same, and more particularly, to a stable equivalent body of 2, 2 ''-bis (1-phosphinoethyl)-1, 1''-diferrocene, which is useful as a ligand in various catalytic reactions including aromatic asymmetric hydrogenation. The present invention provides: a diphosphine-diborane complex represented by general formula (1) (BH3) 2); and a method for producing the diphosphine-diborane complex, the method comprising reacting a magnesium source and an oxidizing agent with a phosphine-borane complex in this order.

The invention relates to the technical field of fire fighting, and discloses a fire extinguishing agent and a preparation method and application thereof. The fire extinguishing agent contains a foaming agent, a penetrating agent, a fire retardant, a pour point depressant, a foam stabilizer, a thickening agent, an absorbent and a water-soluble ferrocene derivative. The fire extinguishing agent disclosed by the invention has good fire extinguishing, cooling and smoke abatement capabilities, and the fire extinguishing capability of the energy storage battery can be greatly improved.

This invention belongs to the field of pharmaceutical technology for the treatment and prevention of oral diseases, and particularly relates to a porphyrin and ferrocene derivative, nanoparticles, preparation methods, and applications of synergistic photothermal and acoustic therapy for oral diseases. The porphyrin and ferrocene derivative are formed by organically combining tetraaminophenylporphyrin and diformaldehyde ferrocene through imine dynamic covalent bonds. This invention, through innovative raw material coupling methods and functional integration design, synergistically achieves PTT-SDT dual therapy, providing a new and superior technical solution for precise, efficient, and low-drug-resistance treatment of deep oral bacterial-fungal biofilm infections.

The application discloses a ferrocene derivative and application thereof, and a structural formula of the ferrocene derivative is shown in the figure. The application has a rhodamine structure fused with ferrocene, has obvious inhibiting effect on staphylococcus aureus, and has no toxicity to human cells.

The invention discloses a preparation method and application of a temperature-sensitive polymer modified diaphragm for a low-temperature lithium-sulfur battery, and belongs to the field of secondary batteries. According to the specific scheme, the method comprises the following steps: step 1, dispersing ZIF-8 powder in a mixed solution of a niobium source and a ferrocene derivative, stirring and dipping, removing a solvent, and pyrolyzing the material in an inert atmosphere to obtain Nb-Fc-N-C; step 2, mixing the Nb-Fc-N-C with a precursor containing a polar sulfonic acid group, and performing pyrolysis in an inert atmosphere to obtain an Nb-Fc-SO3H-N-C catalyst; and 3, dissolving a temperature-sensitive polymer monomer and an Nb-Fc-SO3H-N-C catalyst in a solvent, adding a cross-linking agent and an initiator, uniformly stirring, coating the diaphragm with the mixture, and initiating a polymerization reaction to obtain the temperature-sensitive polymer modified diaphragm. According to the invention, the anchoring-conversion capability on polysulfide is obviously enhanced, the diffusion barrier of lithium ions is reduced, and the low-temperature performance and high-temperature safety of the lithium-sulfur battery are effectively improved.

The present invention discloses a pretreatment system for strongly acidic ferrocene-derivative chemical wastewater, and also discloses a pretreatment method for strongly acidic ferrocene-derivative chemical wastewater. Advantages of the system include: ClO2 primarily treats organic pollutants in wastewater through an oxidation reaction, degrading the oxidized organic matter into products primarily containing oxygen-containing groups (carboxylic acids), which are less likely to produce carcinogenic organic chlorinated compounds and thus avoid secondary pollution; and having a long-lasting oxidizing ability, requiring a small amount of use, and exhibiting a significant COD removal effect; H2O2 also has strong oxidizing properties, and the product after oxidation and decomposition is water, which is non-toxic and pollution-free, and has the characteristics of broad spectrum, high efficiency, and green environmental protection; and is inexpensive and low-cost, thereby reducing the wastewater treatment costs of enterprises; and the combined use of ClO2 and H2O2 can destroy the chromogenic groups of substances, thereby achieving a decolorization effect. ClO2 and H2O2 can oxidize organic and inorganic harmful substances in wastewater, while simultaneously achieving decolorization and deodorization, and significantly reducing COD and BOD values.

The invention belongs to the technical field of production of high-frequency heat-resistant epoxy resin-based copper-clad plates, and particularly relates to a preparation method of a high-frequency heat-resistant epoxy resin-based copper-clad plate, which comprises the following steps: synthesizing a dynamic network prepolymer, mixing cucurbituril [8] (CB [8]) and a carboxylic acid functionalized ferrocene derivative, and self-assembling in a buffer solution to obtain the high-frequency heat-resistant epoxy resin-based copper-clad plate. The preparation method comprises the following steps: carrying out polymerization on a host-guest compound to form a dynamic reversible host-guest compound, and then carrying out prepolymerization on the host-guest compound and a tetrafunctional maleimide monomer under UV illumination to form a rigid host network and retain the reversible characteristic of a dynamic bond. Through double-network design, namely, fluorine-containing epoxy resin and maleimide form a rigid main network, a dynamic polyrotaxane network (reversible bond) realizes high-temperature stress dissipation so as to effectively improve the TG temperature and realize high heat resistance, and secondly, GO aerogel and perfluoropolyether are filled to form a porous low-dielectric structure, so that the dielectric constant of the composite material is reduced, and the composite material has good heat resistance. And the transmission loss and the signal attenuation are effectively reduced.

The invention belongs to the technical field of perovskite and solar cell devices thereof, and particularly relates to a method for dynamically and continuously repairing photo-generated defects of a tin-lead mixed perovskite solar cell by using a ferrocene derivative to improve light stability. According to the invention, a ferrocene derivative is used for modifying a buried interface of perovskite, and through strong coordination between the ferrocene derivative and metal cations (Pb < 2 + > / Sn < 2 + >) in perovskite crystal lattices, effective passivation of defects is realized, and regulation and control of perovskite crystallization kinetics and carrier transport kinetics are also realized. Besides, metallocene and corresponding cations can be used as redox pairs to cyclically and dynamically repair light-induced lead and iodine elementary substance defects, inhibit oxidation of divalent tin and play a role in shielding ultraviolet rays, finally, the photoelectric conversion efficiency of a device using the method is obviously improved, and the device has enhanced light stability and day and night operation fatigue resistance.

This invention relates to the field of solid-state battery separator technology, specifically disclosing a high-performance separator, its preparation process, and its application in solid-state batteries. Through the molecular design of a reactive multifunctional monomer (N,N-disubstituted acrylamide-type phosphonate-based ferrocene derivative, Fc-AAm-PA), the acid-base balance regulation of partial lithiation, dual covalent immobilization, and the synergistic effect of a double-sided asymmetric composite structure, Fc-AAm-PA is embedded in a PI porous framework, a polyether acrylate crosslinking network, and a fast ion conductor (LLZTO) composite system. The resulting high-performance composite solid-state separator simultaneously achieves synergistic enhancements in multiple properties within a single separator system, including high ionic conductivity, high mobility number, wide electrochemical window, suppression of lithium dendrites, high-voltage cathode interface resistance, and suppression of redox shuttle. This provides a key separator material solution for high-energy-density, long-life, and high-safety lithium metal solid-state batteries.

The invention discloses a phenanthridone planar chiral ferrocene derivative as well as a preparation method and application thereof. According to the method, simple and easy-to-obtain iodo-ferrocene is taken as a starting raw material and is stirred and reacted in an organic solvent under the action of a palladium catalyst, a ligand, a norbornene derivative and alkali, and a product can be obtained. The method has the advantages of simple and easily available raw materials, mild reaction conditions, good stereoselectivity, wide substrate application range and the like, bifunctionalization of ferrocene can be realized in one step, a new strategy is provided for synthesis of planar chiral ferrocene, and the planar chiral ferrocene catalyst generated by product conversion can be applied to efficient asymmetric reduction reaction of olefin.

The application discloses a ferrocene derivative, a preparation method and application thereof. The ferrocene derivative is shown in formula (I), wherein Z is selected from O, NH or S; R1 is selected from hydrogen, methyl or halogen; R2 is selected from hydrogen, halogen, C1-C6 alkyl, C1-C6 alkoxy, halogenated C1-C6 alkyl, halogenated C1-C6 alkoxy or nitro; n is an integer of 0-5, and R2 can be the same or different. The compound has antitumor activity and can be used as a candidate drug or a leading compound for treating tumors, cancers and the like.

The application relates to the technical field of energy storage battery emergency fire safety, and discloses a phosphorus-containing ferrocene derivative and a fire extinguishing agent as well as a preparation method and application thereof. The structural formula of the phosphorus-containing ferrocene derivative is shown as formula I. The fire extinguishing agent contains a flame retardant, a hydrocarbon surfactant, an organic silicon surfactant, a thickening agent and a preservative, wherein the flame retardant is the phosphorus-containing ferrocene derivative. The phosphorus-containing ferrocene derivative has excellent flame retardation, the phosphorus-containing ferrocene derivative is used as the flame retardant for preparing the fire extinguishing agent, the fire extinguishing agent has strong inhibition on lithium ion battery fire, can more efficiently perform fire extinguishing operation, reduces water consumption, simultaneously has the function of rapid cooling, and effectively prevents battery afterflame.

The invention provides a ferrocene tetrafluoroborate compound and a preparation method thereof, an electrolyte and a secondary battery. The structural formula of the ferrocene tetrafluoroborate compound is as shown in formula I, and R1, R2, R3 and R4 are respectively and independently selected from one of H, CN, NO2, halogen, C1-C4 alkyl and C1-C4 halogenated alkyl. The cation part of the ferrocene derivative has oxidation-reduction activity, oxidation-reduction substances generated in an electrolyte can be stabilized in modes such as ion pairing, so that the oxidation-reduction potential is adjusted, the working voltage and the energy density of the battery are improved, tetrafluoroborate anions have relatively good ion conductivity, and the service life of the battery is prolonged. The ferrocene tetrafluoroborate can promote the migration of ions in the electrolyte and reduce the internal resistance of the battery, so that the charge-discharge efficiency and the power performance are improved, meanwhile, the ferrocene tetrafluoroborate has certain chemical stability and thermal stability, side reaction of the electrolyte in a high-temperature or long-term circulation process can be inhibited, and the service life of the battery can be prolonged. Formula I.

The invention relates to the technical field of fuels, and discloses a modified water-based clean fuel and a preparation method thereof, and the modified water-based clean fuel comprises 65-90% of methanol, 5-30% of 180 # heavy oil, 0.8-1.0% of sorbitan monooleate, 1.2-2.0% of polyoxyethylene sorbitan monooleate, 0.9-1.5% of a composite stabilizer and 0.1-0.2% of a combustion improver. Wherein the compound stabilizer is prepared by reacting oleic acid with diethylenetriamine and is used for forming a stable steric hindrance layer on an oil-alcohol interface; the combustion improver is a ferrocene derivative and is used for catalyzing complete combustion of heavy oil components. The preparation method comprises the following steps: mixing the components to form an alcohol phase solution, and carrying out high-speed shearing emulsification and high-pressure homogenization treatment on the alcohol phase solution and preheated heavy oil. Through the synergistic effect of the specific stabilizer and the combustion improver, the problems that a high-proportion methanol and heavy oil mixed fuel is prone to layering and insufficient in combustion are solved, and the prepared fuel has the advantages of being excellent in storage stability, high in combustion efficiency and clean in emission.

A carbon dioxide capture and release device comprising: a first composite comprising a first carbon-containing conductive material and a ferrocene derivative chemically bonded to the surface of the first conductive material; and an electrode material having the first composite on the surface thereof.

The invention discloses a polyhydroxy ferrocene derivative as well as a synthesis method and application thereof, and relates to the technical field of electrochemical energy storage, the polyhydroxy ferrocene derivative is mercaptoglucose modified ferrocene Fc (Thio-Glu) 2, in particular to 1, 3, 4-thiadiazole. The preparation method comprises the following steps: dissolving 1, 1 '-di (methylene-thio-beta-D-glucose) ferrocene in ultra-dry dichloromethane, adding a trifluoroacetic acid solution, spin-drying a solvent to obtain an intermediate product, dissolving the intermediate product in ultra-dry methanol, adding a sodium methoxide solution drop by drop, and carrying out a reaction at the room temperature to obtain the 1, 1'-di (methylene-thio-beta-D-glucose)-1, 1 '-di (methylene-thio-beta-D-glucose)-2, 3, 4, 6-O-tetraacetyl-1-thio-beta-D-glucose-1, 1'-di (methylene-thio-beta-D-glucose). The polyhydroxy ferrocene derivative is applied to a long-service-life neutral aqueous organic flow battery, the mixture is hydrolyzed at the room temperature, the completion degree of the reaction is monitored through thin layer chromatography during hydrolysis, after hydrolysis is completed, a solvent is spin-dried to obtain a crude product, the crude product is subjected to column chromatography purification and freeze drying, and finally a faint yellow solid is obtained, and the polyhydroxy ferrocene derivative is applied to the long-service-life neutral aqueous organic flow battery.

This invention belongs to the field of electrochromic devices, specifically relating to a room-temperature, in-situ spontaneously polymerizable ionic gel electrolyte composition, which can be used in devices such as smart windows and flexible displays, as well as the electrolyte and its applications. The composition includes a liquid precursor solution and an initiator; the liquid precursor solution is a liquid containing a polymer network framework material, an ionic liquid electrolyte, 1,3-dioxolane, an epoxy crosslinking agent, a viologen derivative electrochromic material, and a ferrocene derivative counter electrode material; the initiator is a combination of lithium bis(trifluoromethanesulfonyl)imide and the initiator trifluoroacetic acid; the cation of the ionic liquid electrolyte is selected from at least one of imidazolium cations, pyrrolidineonium cations, pyridinium cations, and / or quaternary ammonium cations. The composition of this invention can generate a gel electrolyte without external energy input, and the electrochromic device prepared therefrom possesses characteristics such as high ionic conductivity, excellent optical performance, good interfacial stability, and long cycle life.

The present invention discloses a low-temperature resistant lithium battery, which comprises a positive electrode sheet, a negative electrode sheet, a separator and an electrolyte. The positive electrode sheet includes a positive current collector and a positive mixture layer coated on the positive current collector. The negative electrode sheet includes a negative current collector and a negative mixture layer coated on the negative current collector. The negative mixture layer includes a negative active material and a negative additive. The negative additive includes a nitride, glass fiber and an apatite-type lithium ion conductor. The mass ratio of the nitride, glass fiber and apatite-type lithium ion conductor is (60-80):(10-20):(10-20). The electrolyte includes a lithium salt, an organic solvent and an electrolyte additive. The electrolyte additive includes potassium bromide, a ferrocene derivative and a buffer. Compared with the prior art, the low-temperature resistant lithium battery provided by the present invention has excellent charge and discharge performance at -45 °C through double improvements on the negative electrode material and the electrolyte.

The application discloses an electrochromic medium composition and application thereof, and provides the electrochromic medium composition, which comprises at least one anodic electrochromic material and one cathodic electrochromic material, wherein the cathodic electrochromic material comprises a violet derivative prepared by introducing a fluorene into a violet structure, the compound can show different coloring states under different voltages, the compound and a ferrocene derivative are matched to realize a red-blue mixed coloring state, or the compound, dimethyl dihydrophenazine and the ferrocene derivative are matched to realize a neutral gray coloring state, and the electrochromic medium composition greatly expands its application value in the electrochromic field.