17 results about "Metal amides" patented technology

Methods are provided. A method comprises contacting a tin (IV) compound with a reagent to form at least one reaction product. The regent comprises at least one of a metal alkoxide compound, a metal amide compound, or any combination thereof. The at least one reaction product comprises at least one of a substituted tin (IV) amide compound, a substituted tin (IV) alkoxide compound, or any combination thereof. Various compositions and various compounds, among other things, are also provided.

To provide: a method for efficiently oxidizing a metal amide intermediate itself in a one-pot or flow reaction; and a method for using the same to efficiently introduce a substituent at the nitrogen α-position of a nitrogen-containing aromatic compound.SOLUTION: A method for producing a compound including a nitrogen-containing aromatic ring represented by general formula (III) comprises a step of reacting a metal amide compound represented by general formula (I) with an aromatic aldehyde or aromatic ketone represented by general formula (II).SELECTED DRAWING: None

The present invention is directed to a monomer for chain growth polymerization, in particular anionic polymerization, said monomer having the general formula (EFL)wherein: Ra is a C1-C30 alkyl, C3-C30 cycloalkyl, C6-C18 aryl or C2-C12 alkenyl group. The present invention is further directed to a process for the anionic polymerization of at least one compound (EFL) as defined above, wherein said anionic polymerization is conducted in the presence of an initiator selected from the group consisting of: alkali metal organyls; alkali metal alkoxides; alkali metal thiolate; alkali metal amides; and compounds of an element of group 3a of the Periodic Table of the Elements. The process of anionic polymerization yields a homo- or co-polymer (p-EFL) having pendant lactone functional groups in its repeating units.

The present invention relates to a slurry composition and a sodium battery electrode coating material comprising at least one electrode active material, at least one binder, at least one alkaline additive and optionally at least one conductive agent, the basic additive is selected from the group consisting of metal hydroxides, metal carbonates, metal bicarbonate, metal silicates, ammonia or ammonium hydroxide, metal amines, metal amides, metal hydrides, metal oxides, metal cyanides, or any combination thereof. The invention further relates to an electrode and a battery comprising said electrode active material or made from said slurry coating. The invention further relates to a method for manufacturing the slurry composition, the electrode coating material thereof, the electrode and the battery.

The application discloses a method for degrading polylactic acid to obtain menthyl lactate, and belongs to the technical field of depolymerization and recycling of high polymer composite materials. The polylactic acid is degraded to become menthyl lactate in a targeted manner. In the application, the polylactic acid is dissolved in an organic solvent or without adding other solvents under the catalysis of a metal amide catalyst and in the protection of inert gas under normal pressure, and the polylactic acid is depolymerized under the action of menthol. The polylactic acid molecular chain is depolymerized under mild conditions, and the obtained menthyl lactate can be directly reused, so that the industrial production steps and industrial cost are reduced, and the sustainable development principle is met.

Methods are provided. A method comprises contacting a tin (IV) compound with a reagent to form at least one reaction product. The regent comprises at least one of a metal alkoxide compound, a metal amide compound, or any combination thereof. The at least one reaction product comprises at least one of a substituted tin (IV) amide compound, a substituted tin (IV) alkoxide compound, or any combination thereof. Various compositions and various compounds, among other things, are also provided.

A method for producing a cyclic silazane compound represented by general formula (2)(in the formula, R1 and R2 each independently represent a C1-10 unsubstituted monovalent hydrocarbon group, R3 represents a C1-10 monovalent hydrocarbon group optionally having an amino group or an alkoxysilyl group, and m is 0, 1, or 2)that intramolecularly cyclizes an organoxysilane compound having a secondary amino group represented by general formula (1)(in the formula, R1-R3 and m have the same meaning as indicated above)in the presence of an equivalent amount or more of a basic compound selected from organic metal compounds and organic metal amide compounds achieves a high reaction rate in a short time.

A porous carbon material having a Brunauer-Emmett-Teller (BET) surface area of at least 2600 m2 / g, an oxygen content of at least 1 wt %, a nitrogen content of at least 0.1 wt %, and wherein at least 80 vol % of pores in the porous carbon material have a pore size of no more than 10 nm. Also described are methods for producing a porous carbon material, wherein the method includes mixing a hypercrosslinked polymer with a metal amide or metal nitride to form a mixture, and heating the mixture to a temperature within a range of 350-1000° C. for a time period of at least 1 hour to result in conversion of the hypercrosslinked polymer to the porous carbon material. Further described herein are capacitors, supercapacitors, and batteries containing the porous carbon material incorporated therein, typically in the form of a porous carbon membrane.

The present invention relates to a slurry composition, and sodium battery electrode coating material comprising at least one electrode active material, at least one binder, at least one alkaline additive, and optionally at least one conductive agent, wherein said alkaline additive is selected from metal hydroxides, metal carbonates, metal bicarbonates, metal silicates, ammonia or ammonium hydroxide, metal amines, metal amides, metal hydrides, metal oxides, metal cyanides, or any combination thereof. The present invention further relates to electrodes, and batteries comprising said electrode active material or made of said slurry coating. The present invention further relates to methods of manufacturing the slurry composition, electrode coating material, electrodes, and batteries thereof.

The application discloses a synthesis method of bifenzhydrylamine intermediate, and relates to the technical field of organic synthesis. The synthesis method comprises the following steps: taking 4-methoxy aniline as a starting material, and obtaining 4-methoxy benzene diazonium salt through a diazotization reaction; decomposing the 4-methoxy benzene diazonium salt to form an aryl free radical, adding a certain amount of benzene to carry out a coupling reaction, and obtaining 4-methoxy biphenyl; then carrying out halogenation reaction on the 4-methoxy biphenyl through a halogenating reagent to obtain 4-methoxy-3-halogen biphenyl; finally, adding a metal amide to carry out nucleophilic substitution, and obtaining 4-methoxy-3-amino biphenyl. The synthesis method of 4-methoxy-3-amino biphenyl provided by the application avoids relatively dangerous and harsh reactions such as nitration reaction and Grignard reaction, the reaction process is relatively safe, raw materials are cheap and easy to obtain, the reaction yield is high, the reaction condition is mild, the synthesis route is short, the equipment investment is small, and the method is easy to industrialize.

The present invention relates to a slurry composition, and sodium battery electrode coating material comprising at least one electrode active material, at least one binder, at least one alkaline additive, and optionally at least one conductive agent, wherein said alkaline additive is selected from metal hydroxides, metal carbonates, metal bicarbonates, metal silicates, ammonia, metal amines, metal amides, metal hydrides, metal oxides, metal cyanides, or any combination thereof. The present invention further relates to electrodes, and batteries comprising said electrode active material or made of said slurry coating. The present invention further relates to methods of manufacturing the slurry composition, electrode coating material, electrodes, and batteries thereof.

Process for making a partially coated electrode active material wherein said process comprises the following steps: (a) Providing an electrode active material according to general formula Li1+x, TM1+XO2, wherein TM is a combination of Ni, Co and, optionally, Mn, and, optionally, at least one metal selected from Al, Ti and Zr, and x is in the range of from zero to 0.2, wherein at least 60 mole-% of the transition metal of TM is Ni, and wherein said electrode active material has a residual moisture content in the range of from 50 to 1,000 ppm, (b) treating said electrode active material with a metal alkoxide or metal halide or metal amide or alkyl metal compound, (c) treating the material obtained in step (b) with moisture, (d) repeating the sequence of steps (b) and (c) twice to ten times, (e) performing a post-treatment by heating the material obtained after the last step (d) at a temperature from 200 to 400° C.

Methods are provided. A method comprises contacting a tin (IV) compound with a reagent to form at least one reaction product. The regent comprises at least one of a metal alkoxide compound, a metal amide compound, or any combination thereof. The at least one reaction product comprises at least one of a substituted tin (IV) amide compound, a substituted tin (IV) alkoxide compound, or any combination thereof. Various compositions and various compounds, among other things, are also provided.

The invention discloses a lithium magnesium nitrogen hydrogen material coated by polymer chemical linking and a preparation method thereof, belonging to the field of solid-state hydrogen storage. The composite material comprises a core layer and a polymer shell layer, the raw materials of the core layer comprise metal hydride, metal amide and borohydride, the polymer shell layer is a polymer containing an ester group, borohydride is used as a linking molecule, the linking molecule is distributed on the core layer, O in the polymer shell layer -O-R can form a B-O bond with the borohydride, the core layer and the polymer shell layer have a strong bonding force, so that the polymer shell layer can be uniformly coated outside the core layer, a small amount of substrate can be used to form a good barrier for LMNH particles, thereby reducing the degradation of the hydrogen storage capacity per unit mass, and a relatively high hydrogen storage capacity can be maintained after multiple hydrogen charging and discharging cycles; at the same time, the borohydride can be used as a catalyst for the reaction of the LMNH material with hydrogen, accelerate the reaction rate of the metal amide-hydride, thereby improving the LMNH hydrogen absorption and desorption rate.

This article describes metal complexes and their preparation and use. In some forms, metal complexes contain C NHC ^C^C NHC (NHC=N-heterocyclic carbene) clamp ligands with a through-bonded donor-acceptor configuration. The donor (e.g., an amide group) is coordinated to a metal ion, while the acceptor (e.g., 2,4,6-triphenyl-1,3,5-triazine and its derivatives) is incorporated into the clamp ligand and located at the para position of the carbanion. In some forms, the incorporation of the acceptor (e.g., 2,4,6-triphenyl-1,3,5-triazine and its derivatives) can be applied to clamp ligands N^C^N and / or C^C^N, wherein in the metal complex, C... NHC ^C^C NHC ligand donor C NHC It can be replaced with a neutral N- donor and / or a carbanion. The design of the metal complexes disclosed herein can lead to improved photophysical properties, such as a shortened emission lifetime and / or an increased radiative decay rate constant, thereby improving their device performance in OLED devices.

The invention relates to a preparation method of three-dimensional graphene, and belongs to the technical field of nano materials. The preparation method comprises the following steps: firstly, mixing metal nitride and metal amino compound in an inert atmosphere, and filling a stainless steel tube with the mixture; then putting into a stainless steel ultrahigh vacuum reactor, and vacuumizing at room temperature; the reactor is heated by a heating wire to form metal nitrogen hydride. And then carrying out chemical vapor deposition reaction on the obtained metal nitrogen hydride and carbon monoxide gas to obtain a solid product, and carrying out acid pickling and centrifugation to obtain the three-dimensional graphene. The invention provides a new way for preparing the semi-hydrogenated graphene, which possibly plays an important role in catalysis, semiconductors and other applications.