20 results about "Ferrocenyl group" patented technology

The invention discloses application of ferrocenyl conjugated microporous polymers Fc-CMPs in a composite solid propellant and the composite solid propellant, the ferrocenyl conjugated microporous polymers Fc-CMPs are porous organic polymers which take ferrocenyl groups as conjugated functional units and are connected through covalent acetylenic bonds, and the ferrocenyl conjugated microporous polymers Fc-CMPs have excellent thermal stability and permanent porosity, and can be used for preparing the composite solid propellant. The material is solid powder, is insoluble in a traditional organic solvent and does not migrate, and a ferrocene unit serves as a constituent part of a polymer framework and an oxidation-reduction active site and is dispersed in a two-dimensional conjugated network structure of a composite solid propellant. When being used as a burning rate catalyst to be applied to AP decomposition, the ferrocene burning rate catalyst can obviously reduce the high-temperature decomposition peak temperature of AP, and solves the migration problem of a traditional ferrocene burning rate catalyst in a composite solid propellant system. The Fc-CMPs are applied to an AP decomposition catalysis scene for the first time, and a new direction is provided for development of a composite solid propellant burning rate catalyst.

The invention relates to a surface-imprinted combined modified electrode and its production method, comprising a novel chalcone-substituted cyclotriphosphazene (CBRG-Fe) and multi-walled carbon nanotube (MWCNT) composite, intended to be used as an electrochemically active sensor for the sensitive determination of ractopamine.

The application discloses an anti-migration ferrocenyl hyperbranched polymer burning rate catalyst, a preparation method thereof and application thereof. The ferrocenyl hyperbranched polymer is prepared by one-pot method through amidation reaction with 1,1'-ferrocene dicarboxylic acid and tri(2-aminoethyl)amine as monomers. The ferrocenyl hyperbranched polymer has high anti-migration performance in a composite solid propellant and can reduce the thermal decomposition temperature of ammonium perchlorate.

The invention relates to a novel ferrocenyl hydrophobic label degradation agent targeting GPX4 as well as a preparation method and application of the novel ferrocenyl hydrophobic label degradation agent. The GPX4 protein degradation agent has a chemical structure as shown in a formula (I). Pharmacological experiments show that the derivative or salt disclosed by the invention can be used for remarkably degrading GPX4 protein in ferroptosis sensitive cells (such as HT1080, OS-RC-2, 4T1 and 786-O), and has very strong anti-proliferative activity on the four cell strains. The invention also provides a preparation method of the derivative and the pharmaceutically acceptable salt thereof, and an application of the derivative and the pharmaceutically acceptable salt thereof as a GPX4 degradation agent. Formula (I).

The invention provides a yolk shell structure metal organic framework-based halogen-free flame retardant as well as a preparation method and application thereof, and belongs to the technical field of nano composite flame-retardant materials. The flame retardant is a metal organic framework with a yolk shell structure, and the surface of the metal organic framework with the yolk shell structure is grafted with a ferrocene group and a 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) group; the yolk shell structure comprises an inner core, an outer shell and a cavity located between the inner core and the outer shell. When the flame retardant is applied to epoxy resin, the limit oxygen index of a composite material can reach up to 31.5% only by adding 10 wt% of the flame retardant, the peak heat release rate is reduced by 58.2% when the composite material passes the UL-94 V-0 grade, and release of smoke toxic gas is remarkably inhibited. Meanwhile, the composite material has excellent mechanical properties, the retention rate of tensile strength is greater than 90% (up to 65.4 MPa), and the bending strength is up to 84.2 MPa. According to the invention, halogen-free and low-addition-amount efficient flame retardance and balance of mechanical properties are realized.

The invention relates to an electrostatic spraying process for a flame-retardant electrical cabinet metal plate, and belongs to the technical field of electrical cabinet surface treatment. The electrical cabinet sheet metal part is sequentially subjected to degreasing, acid pickling, phosphating, water washing and drying treatment; the preparation method comprises the following steps: putting epoxy resin, a modified aliphatic amine curing agent, 4-ferrocenyl butyl methacrylate, 4, 4 '-dimercaptodiphenyl sulfide, benzoyl peroxide, a composite flame retardant, a pigment filler, a carboxyl-terminated nitrile rubber flexibilizer, an acrylate leveling agent, an antioxidant and a diluent into a mixing machine, and mixing to obtain plastic spraying powder; the pretreated sheet metal part is placed in a spraying room, electrostatic spraying, curing forming and aftertreatment are conducted on the surface of the sheet metal part, and the flame-retardant electrical cabinet sheet metal part is obtained; the prepared plastic spraying coating is high in oxygen index, the vertical combustion grade reaches the V-0 grade, the flame retardant effect is excellent, and combustion accidents caused by high temperature and electric sparks of an electrical cabinet can be effectively prevented.

The present application relates to the technical field of probabilistic bit device, and especially relates to a probabilistic bit device based on bias control and a preparation method thereof. The probabilistic bit device comprises an electrode pair and a probabilistic bit molecule, and the probabilistic bit molecule is connected between the electrode pair. The skeleton core is a symmetric or near-symmetric biferrocene group, and the two ferrocene units are equivalent redox active centers, and the redox potential is similar, which lays a foundation for state reversible switching and uniform charge delocalization. The ferrocene unit has excellent chemical stability and no thermal degradation problem; the intermediate bridging group can control the electronic coupling strength, which ensures the charge migration across the sites and avoids the coupling of the strong state merging. The results show that in the bias range of 260 mV-400 mV, the probabilistic bit molecule can be switched between the reduced state and the mixed valence state, and then the high and low state ratio of the device is changed, and finally a stable and controllable bias control type probabilistic bit device is constructed.

The invention provides a ferrocenyl dynamic covalent network monomer, 3D printing resin containing the same and application. According to the ferrocenyl dynamic covalent network monomer, a ferrocene unit is introduced into the monomer, a material can be endowed with paramagnetism, reversible fracture and recombination characteristics are endowed through dynamic covalent bonds, a dynamic covalent network can be constructed by introducing the monomer into a polymer network, and the material has photocuring activity, paramagnetism and dynamic responsiveness; and the method has a remarkable application prospect when being used for preparing intelligent functional devices through photocuring 3D printing.

The invention relates to the technical field of chemical defoaming agent materials, in particular to a high-solid-content self-emulsifying organic silicon defoaming agent based on ferrocenyl modification and a preparation method thereof.The preparation method comprises the following steps that (S1) under the condition of high-speed stirring, ferrocenyl modified silicon dioxide is added into an oxidizing agent water solution to be stirred, and a mixed solution is obtained; cooling to a low speed, stirring, adding redox response type modified polysiloxane and a polymer steric hindrance stabilizer, continuously stirring, adding dimethyl silicone oil, and stirring to obtain a dispersion liquid; and (S2) adding a nonionic thickener aqueous solution and a reducing agent into the dispersion liquid, and stirring at a high speed to obtain the high-solid-content self-emulsifying organic silicon defoaming agent based on ferrocenyl modification. According to the preparation method, key components of the organic silicon defoaming agent are subjected to ferrocenyl modification, so that the organic silicon defoaming agent is subjected to hydrophilic and hydrophobic intelligent conversion in the preparation process, a self-emulsifying process without additional high energy is realized, and the solid content of the final organic silicon defoaming agent is high.

Compounds of general formula I are used as labels in an electrochemical assay:in which:Fc and Fc′ are substituted or unsubstituted ferrocenyl moieties,X is a C1 to C6 alkylene chain which is optionally interrupted by —O— or —NH—;Y is a C1 to C6 alkylene chain which is optionally interrupted by —O— or —NH—;Z is a C1 to C6 alkylene chain which may optionally be substituted and / or may optionally be interrupted by —O—, —S—, cycloalkyl, —CO—, —CON R1—, —NR1CO— or —NR1—in which R1 represents hydrogen or C1 to C4 alkyl; andR is a linker group.Compounds I are used to make labelled substrates, as well as functionalised compounds for making the labelled substrates.

The present application provides ferrocenyl carboxylic anthracene methyl ester for photosensitive resin, relates to the field of photopolymerization. The present application also includes photosensitive resin composition containing the ferrocenyl carboxylic anthracene methyl ester, photosensitive dry film containing the ferrocenyl carboxylic anthracene methyl ester, and application thereof. The ferrocenyl carboxylic anthracene methyl ester of the present application has photosensitivity, low migration characteristics, can improve the adhesion of photosensitive resin composition on various metal surfaces, and can be widely applied to the field of light curing such as dry film, paint, coating, ink and molding material.

The invention discloses a ferrocenyl cationic surfactant containing an amide group as well as a preparation method and application of the ferrocenyl cationic surfactant, and the ferrocenyl cationic surfactant containing the amide group is obtained by reacting ferrocenyl chloride with N, N-dimethyl alkyl diamine at room temperature and then quaternizing with halogenated alkane. The ferrocenyl cationic surfactant containing the amide group can be rapidly dissolved at a low temperature, does not need any cosolvent, is convenient to prepare on site, and is simple to operate; the self-assembly capability is relatively high; organic pollutants in water can be enriched through micelle solubilization and interface adsorption, so that efficient degradation of the organic pollutants is realized through Fenton oxidation; the compound has excellent bactericidal ability to gram-positive bacteria and gram-negative bacteria, and the minimum inhibitory concentration is only 1 microgram / milliliter; the selective recovery rate of gold in the electronic waste reaches 99% or above, and separation can be achieved through simple filtration.

The invention provides a ferrocenyl phosphorus-containing MOF flame retardant, flame-retardant epoxy resin and preparation methods of the ferrocenyl phosphorus-containing MOF flame retardant and the flame-retardant epoxy resin. The ferrocenyl phosphorus-containing MOF flame retardant has a two-dimensional layered structure, and is synthesized by taking cobalt salt, ferrocenedicarboxylic acid and phenylphosphonic acid as raw materials and adopting a one-step solvothermal method. The process for preparing the ferrocenyl phosphorus-containing MOF flame retardant is simple, conditions are controllable, and the obtained flame retardant has high thermal stability and flame retardance; the prepared ferrocenyl phosphorus-containing MOF flame retardant is added into an epoxy resin matrix, and the flame-retardant epoxy resin can be formed after curing. The tensile strength and impact strength of the composite material can be remarkably improved under the condition of low addition amount of the MOF flame retardant, the heat release rate peak value can be reduced by 55.9%, the total smoke release amount can be reduced by 42.5%, synergistic improvement of flame retardance, smoke suppression and mechanical properties is achieved, the problem that a traditional flame retardant is difficult to consider mechanical properties at the same time is solved, and wide industrial application prospects are achieved.

The application relates to a preparation method of an electrolytic water catalyst suitable for a full pH range, which comprises the following steps: (S1) dissolving 1,1'-ferrocene dicarboxylic acid in an organic solvent to form solution A, dissolving a ferrous salt and a tungsten salt in water to form solution B, uniformly mixing solution A and solution B, adding foamed nickel, and carrying out a hydrothermal reaction of the mixed solution in a reaction kettle to obtain tungsten-doped ferrocene metal organic framework nanosheets; (S2) mixing the tungsten-doped ferrocene metal organic framework nanosheets obtained in step (S1) and a nitrogen source, and sintering under an inert atmosphere to obtain the electrolytic water catalyst suitable for the full pH range. The application uses the abundant transition metal tungsten as a dopant, forms a nanoelectrode material with the cost-effective transition metal iron-based nitride, and further obtains a catalyst which can be used for hydrogen evolution reaction, oxygen evolution reaction and overall water splitting and has high catalytic activity and high stability in different pH electrolytes.

The present invention discloses a ferrocene-tagged benzimidazolium salt, N-ferrocenylmethyl-N′-(2-pyridylmethyl)benzimidazolium iodide, and a method of preparation thereof. The compound accumulates in mitochondria, promotes ROS and singlet-oxygen generation, and disrupts mitochondrial membrane potential triggering cancer cell death more effectively than ferrocene and standard drug doxorubicin.

The invention relates to the technical field of novel organic silicon materials and fine chemical engineering, in particular to redox response type cross-linked silicon paste containing fullerene and ferrocene groups as well as a preparation method and application of the redox response type cross-linked silicon paste. The preparation method of the cross-linked silicon paste comprises the following steps: adding a vinyl modified filler, a fullerene cross-linking agent and a resin cross-linking agent into carrier oil under a stirring condition, mixing, adding a catalyst, and carrying out a hydrosilylation reaction to form primary cross-linked silicon paste particles with an interpenetrating network structure; and adding a functional end-capping reagent and a catalyst, continuously reacting, and adding carrier oil after the reaction is finished. The cross-linking density is controllable, the mechanical strength is high, the surface hydrophilic and hydrophobic intelligent switching function is achieved, and intelligent conversion of hydrophilic easy emulsification during processing and hydrophobic strong foam inhibition during use is achieved. The organic silicon defoaming agent is applied to a defoaming agent, hydrophilic in an oxidation state assists emulsification, hydrophobic in a reduction state assists foam inhibition, and the contradiction that the emulsification stability and the foam inhibition durability of a traditional organic silicon defoaming agent are difficult to consider at the same time is solved.

The application relates to a bismuth oxide nanowire composite electrode material, a composite electrode and application, the bismuth oxide nanowire composite electrode material is prepared by mixing ferrocene-based modified beta bismuth oxide nanowires and multi-walled carbon nanotubes grafted with ferrocene groups, drying after ball milling treatment by a nanoball mill; a preparation method of the ferrocene-based modified beta bismuth oxide nanowires comprises the following steps: after deionized water is adjusted to pH 4-6, KH560 is added, reaction is carried out at room temperature for 10-40 min, beta bismuth oxide nanowires are added, reaction is carried out at 50-80 DEG C for 2-5 h, ferrocene-based partially grafted linear polyethylene imine solution is added, reaction is continuously carried out at 50-80 DEG C for 2-5 h, then the reaction is stopped, filtration is carried out, water washing, ethanol washing and drying are carried out, and the ferrocene-based modified bismuth oxide nanowires and the carbon nanotube composite electrode material and the composite electrode are obtained; the ferrocene-based modified bismuth oxide nanowires and the carbon nanotube composite electrode material and the composite electrode are novel and have high efficient electrocatalytic degradation performance on printing and dyeing wastewater.

The invention discloses a redox mediator functional binder for improving the low-temperature performance of a lithium iron phosphate battery and a preparation method of the redox mediator functional binder, and belongs to the technical field of lithium ion battery materials. The novel binder is a diblock polymer which integrates a ferrocene group and a polyoxyethylene-containing side chain. Wherein the ferrocene group is used as a redox mediator and can generate efficient reversible redox reaction at low temperature, and the oxidation state (ferrocene positive ions) of the ferrocene group can chemically oxidize Fe in the lithium iron phosphate, so that the limitation of slow intrinsic reaction kinetics of the material is avoided, and the electrode reaction is driven; meanwhile, the polyoxyethylene-containing side chain can optimize a lithium ion solvation structure at an electrode interface through a coordination effect between specific ether oxygen atoms and lithium ions, so that a desolvation energy barrier of the lithium ions at the interface is remarkably reduced, and the ion transmission rate is accelerated. According to the invention, the specific discharge capacity and rate capability of the lithium iron phosphate battery under a low-temperature condition can be greatly improved.

The application relates to a method for synthesizing a bisferrocenyl compound by using a multi-component reaction and application, and the synthesis method is as follows: adding ferrocene formaldehyde, aminoferrocene, a Lewis acid, anhydrous dichloromethane and anhydrous diethyl ether into a reaction bottle, stirring and dissolving for reaction, then adding acetylferrocene, adding trimethylchlorosilane under stirring, continuing the reaction at room temperature, adding an inorganic alkali aqueous solution after the reaction is completed, extracting with an organic solvent, combining the organic phases, concentrating the solvent, and purifying the crude product through silica gel column chromatography to obtain the target compound. The application synthesizes a novel compound 1,3-bisferrocenyl-3-ferrocenylamino propanone containing three ferrocene groups by using acetylferrocene, ferrocene formaldehyde and aminoferrocene as raw materials and through a Mannich three-component reaction under acidic conditions, and the novel compound exhibits superior antioxidant activity, and the antioxidant performance is superior to that of corresponding single ferrocene group compounds and bisferrocene group compounds, and the novel compound has potential application value.