39 results about "Ferrocenyl group" 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 invention provides ferrocenyl carboxylic acid anthracene methyl ester for photosensitive resin, and relates to the field of photopolymerization. The invention also comprises a photosensitive resin composition containing the ferrocenyl carboxylic acid anthracene methyl ester, a photosensitive dry film containing the ferrocenyl carboxylic acid anthracene methyl ester, and applications of the photosensitive resin composition and the photosensitive dry film. The ferrocenyl carboxylic acid anthracene methyl ester disclosed by the invention has the characteristics of photosensitivity and low migration, can improve the adhesive force of a photosensitive resin composition on various metal surfaces, and can be widely applied to the photocuring fields of dry films, paints, coatings, printing inks, molding materials and the like.

The invention discloses a ferrocene-based D-A type multi-system conjugated small molecule synthesis method, which comprises: carrying out a heating reaction in an organic solvent by using a ferrocenyl compound and a bromophenyl compound as raw materials and using a palladium complex as a catalyst, and after the reaction is completed, carrying out extraction, column chromatography and recrystallization to prepare an intermediate; the obtained intermediate and a 4-pyridine boric acid compound are used as raw materials, a palladium complex is used as a catalyst, a heating reaction is conducted in an organic solvent, and after the reaction is finished, cooling, extraction, column chromatography and recrystallization are conducted to prepare the D-A type multi-system conjugated small molecules. The invention also discloses a memory device with a sandwich structure and application of the memory device to ultra-high density information storage. The small molecular material prepared by the invention not only can realize ternary information storage performance, but also greatly improves the stability of the device through stable redox cycle of the ferrocene group, and realizes long-time stable ultrahigh-density information storage.

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 invention discloses a kind of ferrocenyl-doped MOF-derived metal carbide electrocatalyst and its preparation method and application, preparation method includes:ZIF 8 is dissolved in anhydrous methanol to obtain solution A;Ferrocenyl monocarboxylic acid is dissolved in DMF to obtain solution B;Solution A and solution B are mixed uniformly to obtain reaction solution, and reaction solution is subjected to hydrothermal reaction;The product obtained after the reaction is centrifuged, washed, dried, calcined and carbonized to obtain the ferrocenyl-doped MOF-derived metal carbide electrocatalyst.The catalyst of the present invention has the advantages of being porous, having many active sites, further improves the catalytic performance of electrocatalyst, can be applied to disposable zinc-air battery as oxygen reduction catalyst, and has excellent electrochemical performance under alkaline conditions (0.1M KOH).

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 application discloses a synthesis method of a D-A type multi-ary conjugated small molecule based on ferrocene, and comprises the following steps: taking a ferrocene-based compound and a bromophenyl compound as raw materials, taking a palladium complex as a catalyst, and performing a heating reaction in an organic solvent; after the reaction is completed, an intermediate is prepared through extraction, column chromatography and recrystallization; taking the obtained intermediate and a 4-pyridine boronic acid compound as raw materials, taking a palladium complex as a catalyst, and performing a heating reaction in an organic solvent; after the reaction is completed, a D-A type multi-ary conjugated small molecule is prepared through cooling, extraction, column chromatography and recrystallization. The application further discloses a sandwich structure memory device and applies the sandwich structure memory device to super-high-density information storage. The small molecule material prepared by the application can not only realize ternary information storage performance, but also greatly improve the stability of the device through the stable redox cycle of the ferrocene group, thereby realizing long-time stable super-high-density information storage.

In some embodiments, the catalyst compound is represented by Formula (I): M is a Group 3-5 metal, a lanthanide metal atom, or an actinide metal atom. E is a substituted polycyclic aromatic hydrocarbon-based ligand bonded to M and is substituted with at least one ferrocenyl substituent bonded to the aromatic six-membered ring of the polycyclic aromatic hydrocarbon-based ligand. A is a monoanionic ligand bonded to M. And n is 0 or 1. T is bonded to A and E, and is a bridging group containing a Group 13, 14, 15, or 16 element, and is present when n is 1 and absent when n is 0. Each example of X is independently a monovalent anionic ligand, or two X are joined and bound to M to form a metal ring ring, or two X are joined to form a chelate ligand, a diene ligand, or an alkylene ligand.

The invention provides a ferrocenyl triazine photodegradation agent and an application of the ferrocenyl triazine photodegradation agent. Due to the combination of the ferrocene and the triazine ring, the disadvantage that the ferrocene can sublimate is improved; meanwhile, the photodegradation agent expands photoresponse to a visible light region through an intramolecular charge transfer effect, and the maximum photoresponse reaches 500 nm. The degradation agent is good in compatibility with materials and can be in full contact with the materials, seepage of the light degradation agent is reduced, and accurate regulation and control of the degradation rate are achieved. In addition, the degradation agent can be uniformly dispersed in a polyvinyl chloride matrix, stress concentration points formed by local enrichment are avoided, and the degradation agent can be efficiently utilized without excessive addition of compensation loss.

The invention relates to the technical field of multi-component copolymerized adhesives, and aims to provide a preparation method and application of a multi-component copolymerized adhesive with high bonding performance and long-acting mildew resistance. A ferrocene group is introduced into a 1, 3, 4-oxadiazole molecular structure, the phenolic resin adhesive is combined, and the raw material ratio and the synthesis process are optimized, so that the stability, the cementing performance and the antibacterial and mildew-proof performance of the adhesive are remarkably improved. The preparation method comprises the steps of synthesis of a 1, 3, 4-oxadiazole ring, condensation reaction of a ferrocene group, recrystallization purification and the like. The obtained adhesive shows excellent performance in plywood application, the dry bonding strength reaches 2.39 MPa, the wet bonding strength reaches 2.12 MPa, the antibacterial rate reaches up to 90%, and the adhesive does not go mouldy within 180 days. The problems that a traditional trialdehyde adhesive is prone to mildewing and poor in stability are solved, the low-toxicity environment-friendly property is achieved, and the adhesive is suitable for the fields of artificial boards, wooden furniture and buildings and has remarkable application value and market prospects.

A high-voltage, high-power battery for efficient energy storage and delivery is provided. It includes at least one anode crafted from lithium metal or zinc metal, paired with an organic cathode featuring an active material, specifically (ferrocenylmethyl) trimethylammonium iodide (FcNI), a ferrocene backbone introduced with methyltrimethylammonium iodide groups, denoted by formula (1):The battery also includes at least one porous polymer separator, characterized by a porosity ranging from approximately 30% to 90%, facilitating ion transport while maintaining structural integrity. Furthermore, the battery incorporates an ether electrolyte, enabling optimal electrochemical performance. It is worth noting that the introduced methyltrimethylammonium iodide groups enhances the redox activity of Fe3+ / 2+ and acts as active dual-redox centers for multiple electron transfer. Particularly, Fe3+ / 2+'s discharging plateau is enhanced to 0.8 V by introducing the methyltrimethylammonium iodide groups, which regulates the electron energy of the redox potential of Fe.

The invention discloses a trinuclear ferrocene-based metal composite material and a preparation method and application thereof, and belongs to the field of burning rate catalysts.The preparation method comprises the steps that ferrocenyl acetaldehyde and ferrocenyl dihydrazone are dissolved, then heating reflux is conducted, purification treatment is conducted, a trinuclear ferrocene ligand is prepared, the trinuclear ferrocene ligand is dissolved in a solvent, a mixed solution A is prepared, and the mixed solution B is prepared; dividing the mixed solution A into three equal parts, and respectively adding a Co salt solution, a Fe salt solution and a mixed solution of Co salt and Fe salt to respectively prepare the trinuclear ferrocene-based metal composite materials of Fc3N4 / Co, Fc3N4 / Fe and Fc3N4 / CoFe. The technical problem that a burning rate catalyst prepared by an existing preparation method is not high in pyrolysis catalytic performance on ammonium perchlorate is solved.

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.

This application provides a substituted ferrocene-based diphosphine homogeneous catalyst ligand of formula I. Furthermore, compound I is a metal complex ligand for a homogeneous hydrogenation catalyst. The catalyst ligand is simple to synthesize, easy to post-process, and readily suitable for industrial production. Using this catalyst, very high activity, productivity, and enantioselectivity can be achieved.

The present invention discloses a method for electrochemical sensing detection of cocaine. The method modifies amino groups on the surface of a bare ITO electrode, and assembles a cocaine aptamer fragment 1 on the ITO electrode through an amino cross-linking agent. Since the end of the cocaine aptamer fragment 2 is modified with a ferrocene group, when cocaine is present, an Apt1-cocaine-Apt2 complex is formed on the electrode surface, Fc is introduced into the ITO electrode surface, and then through the host-guest recognition effect between CD-AgNPs and Fc, CD-AgNPs are anchored on the ITO electrode as an electrical signal label, thereby causing a large number of silver nanoparticles to be loaded on the electrode surface. Finally, a differential voltammetric pulse method is used to detect the electrical signal of the silver nanoparticles. The present invention is based on the AgNPs labeling strategy of the host-guest effect, which can achieve rapid and sensitive detection of cocaine.

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 application discloses a small-molecule monomer containing an azobenzene group and a ferrocene group and a synthesis method and application thereof, and comprises the following steps: step one, obtaining an alkyne functionalized azobenzene from 4,4'-dihydroxyazobenzene; step two, obtaining a ferrocene functionalized azobenzene by a CuAAC click reaction of ferrocene formate-3-azidopropyl ester and the alkyne functionalized azobenzene; and step three, obtaining the small-molecule monomer containing the azobenzene group and the ferrocene group by a substitution reaction of methacryloyl chloride and the ferrocene functionalized azobenzene. The monomer synthesized by the application can be conveniently copolymerized with other functional monomers, and then a water-soluble polymer with a clear structure and uniformity is obtained. The polymer can be used as a Fenton reagent, efficiently kills tumor cells through an oxidative stress mechanism, and is applied to the chemical kinetics treatment of tumors.

The present application provides a polymer having a structure shown in Formula 1, a composite material comprising the polymer and a conductive carbon, wherein R is a C6-C 60 arylene group or a C3-C 60 heteroarylene group, and n is a polymerization degree, and 5≤n≤10 5 , preferably 10≤n≤1000. The present application also provides a preparation method of the polymer and the composite material, and their use in lithium ion batteries, particularly as electrode materials such as positive electrode materials. The polymer has a physically and chemically stable structure, has abundant electrochemically active functional groups and a stable polymer backbone, and thus the lithium ion battery prepared thereby has a higher mass specific capacity and an ultra-long cycle life, and also has a higher output voltage and energy density.

The invention discloses an oxygen evolution electrocatalyst based on a ferrocene-based metal organic framework material and layered double hydroxides and a preparation method of the oxygen evolution electrocatalyst, and belongs to the field of oxygen evolution electrocatalyst preparation.The preparation method comprises the following steps that nickel acetate tetrahydrate and cobalt acetate tetrahydrate are mixed in ethyl alcohol; the preparation method comprises the following steps: dissolving polyvinylpyrrolidone copper K30 in ethanol, mixing the two solutions, transferring into a flask, and reacting in a preheated oil bath under the reflux condition of 90 DEG C without stirring to prepare a NiCo-based acetate hydroxide precursor; the preparation method comprises the following steps: dissolving ferrocene dicarboxylic acid in ethanol, dispersing a NiCo-based acetate hydroxide precursor in ethanol, transferring the two solutions into a stainless steel autoclave lined with Teflon, and carrying out a hydrothermal reaction to prepare the oxygen evolution electrocatalyst NiCo-LDH-coated FcMOF with a heterostructure.

The invention relates to the technical field of sealing, in particular to a welding flux and a metal sealing method, the welding flux is composed of alloy powder, ferrocenyl ionic liquid, epoxy acrylate resin, a curing agent and a diluent, high-quality sealing of a titanium / steel heterostructure can be achieved through the welding flux and the sealing method, the strength of a sealing connector is larger than or equal to 200 MPa, and the welding flux can be used for sealing the titanium / steel heterostructure. And the method has great significance on high-quality and high-efficiency connection of heterogeneous materials.

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.