60 results about "Metallogorgia" patented technology

A polynuclear metal complex having in each molecule not only at least one large cyclic ligand having 5 to 15 coordinating atoms but also multiple metal atoms is subjected to any of heating treatment, radiation exposure treatment and electric discharge treatment, thereby providing a polynuclear metal complex exhibiting a ratio of weight loss by the treatment of 5 to 90 wt. % and a carbon content after the treatment of 5 wt. % or more.

The present disclosure is directed to new photoluminescent metal-organic frameworks (MOFs). The newly developed MOFs include either non rare earth element (REE) transition metal atoms or limited concentrations of REE atoms, including: Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, Y, Ru, Ag, Cd, Sn, Sb, Ir, Pb, Bi, that are located in the MOF framework in site isolated locations, and have emission colors ranging from white to red, depending on the metal concentration levels and/or choice of ligand.

This invention relates to a transition metal compound represented by the formula:

wherein M is a group 3, 4, 5 or 6 transition metal atom, or a lanthanide metal atom, or actinide metal atom; E is: 1) a substituted or unsubstituted indenyl ligand that is bonded to Y through the four, five, six or seven position of the indenyl ring, or 2) a substituted or unsubstituted heteroindenyl ligand that is bonded to Y through the four, five or six position of the heteroindenyl ring, provided that the bonding position is not the same as the position of the ring heteroatom, or 3) a substituted or unsubstituted fluorenyl ligand that is bonded to Y through the one, two, three, four, five, six, seven or eight position of the fluorenyl ring, or 4) a substituted or unsubstituted heterofluorenyl ligand that is bonded to Y through the one, two, three, four, five or six position of the heteroindenyl ring, provided that the bonding position is not the same as the position of the ring heteroatom; A is a substituted or unsubstituted cyclopentadienyl ligand, a substituted or unsubstituted heterocyclopentadienyl ligand, a substituted or unsubstituted indenyl ligand, a substituted or unsubstituted heteroindenyl ligand, a substituted or unsubstituted fluorenyl ligand, a substituted or unsubstituted heterofluorenyl ligand, or other mono-anionic ligand; Y is a Group 15 or 16 bridging heteroatom substituent that is bonded via the heteroatom to E and A; and X are, independently, univalent anionic ligands, or both X are joined and bound to the metal atom to form a metallocycle ring, or both X join to form a chelating ligand, a diene ligand, or an alkylidene ligand. This invention further relates to catalyst systems comprising the above transiotioon metal compounds, activators and optional supports and their use to polymerize or oligomerize olefins.

A functionalized porous crystalline material is disclosed exhibiting an X-ray diffraction pattern with at least one peak at a position greater than about 1.8 nm d-spacing with a relative intensity of 100. The crystalline material comprises a framework including metal atoms, oxygen atoms and at least one organic group bonded between at least two of said metal atoms so as to be integral with said framework, and wherein said organic group has at least one sulfonate moiety bonded thereto.

Methods of forming metal silicide layers. The methods include: forming a silicon-rich layer between dielectric layers; contacting the silicon-rich layer with a metal layer and heating the silicon rich-layer and the metal layer to diffuse metal atoms from the metal layer into the silicon layer to form a metal silicide layer.

A method for producing metal complex nanoparticles, the method having: providing an aqueous solution containing a metal cyano complex anion having a metal atom M_A as a central metal, with an aqueous solution containing zinc cation, the pH of the aqueous solution containing zinc cation being adjusted; and mixing the solutions and thereby producing metal complex nanoparticles composed of the metal atom M_A and zinc under controlling the properties of the obtained metal complex nanoparticles.

A preparation method of a stress-adjustable metal nitride hard mask adopts an alloy target material to undergo a sputtering process to make the metal nitride hard mask deposited on a wafer reach a preset thickness, and the growth crystal orientation of the crystal of the metal nitride hard mask is the preset direction. Compared with a method using a single metal material target material for sputtering in the prior art, the preparation method of the invention has the following advantages: new metal atoms are introduced into the metal nitride hard mask to replace part of original metal atoms, sothat lattice distortion is caused when the metal nitride hard mask is deposited, crystals of the metal nitride hard mask grow in the preset direction, the film performance is improved, and the preparation method is particularly suitable for the manufacturing process of 14 nn or below.

The invention discloses a lanthanide series metal-organic framework material with excellent second harmonic performance and a preparation method thereof. The chemical formula of the material is M(L)<x>(G)<y>, wherein M is a metal atom, L is a flexible organic ligand containing a hexacarboxylic acid group, and G is a solvent molecule. The material is prepared by adopting a solvothermal method. Thelanthanide series metal-organic framework material disclosed by the invention has a non-centrosymmetric C121 space group, so the lanthanide series metal-organic framework material has second harmonicperformance, and the highest second harmonic performance can reach 4 times or more of the second harmonic performance of a potassium dihydrogen phosphate crystal. In general, the strength of SHG of La-Tb-MOFs shows a rising trend along with the increase of a metal atomic number, and experiments find that the SHG of La-Tb-MOFs is inversely related to average coordination bond length; that is, the SHG of La-Tb-MOFs is consistent with the electron push-and-pull capacity of the metal atom; and MOFs with sizes of 170-300 meshes show optimal SHG performance under various pumping wavelengths.

To provide a multinuclear complex including at least one ligand L satisfying the following requirements (i) r (ii) and (iii), and a plurality of metal atoms in a molecule:

• (i) having a group having polymerizable reactive multiple bonds, and/or a ring-opening polymerizable ring,
• (ii) having five or more coordination atoms bonding to the metal atoms, and
• (iii) being soluble in a solvent.

The invention belongs to the technical field of nano materials and detection, and in particular relates to a synthesis method and application of a titanium-zirconium double-metal-atom horizontally-doped honeycomb-shaped mesoporous composite material taking pollen as a template. The titanium-zirconium double-metal-atom horizontally-doped honeycomb-shaped mesoporous composite material taking pollen particles as the template is formed by synthesizing the pollen particles coated with titanium-zirconium double-metal oxide through a one-pot method and calcining at a high temperature. The material has a large specific surface area, strong hydrophily and relatively good biocompatibility; the template pollen is removed in a calcining process and titanium-zirconium double-metal-atom horizontal doping is performed to form double-metal oxide, and the composite material can have relatively good coordination with a phosphorylated peptide section of a phosphate radical containing negative charges, so that efficient separation and enrichment of a low-abundance phosphorylated peptide mixed sample can be realized. The titanium-zirconium double-metal-atom horizontally-doped honeycomb-shaped mesoporous composite material is novel, simple and convenient, low in cost, practical and efficient, has good repeatability and high stability, and has a wide application prospect.

The invention relates to the technical field of plastics, and discloses an intelligent metal collecting device in a plastic recycling process. The device comprises a base. Through the cooperative useof a fragment box, a baffle plate, a first connecting rod, a vertical rod and a disc, the fragment box intermittently and automatically discharges materials quantitatively during metal screening, so that a screening effect is prevented from being influenced by excessive one-time discharging, a screening rate is increased, screening is more sufficient, through the cooperative use of a magnetic poleblock, an electromagnet, a push rod, a supporting rod and special-shaped discs, a current is generated by cutting a magnetic induction line, magnetism is intermittently generated, metal is automatically adsorbed, screening and collecting of the metal are automatically conducted, more time and labor are saved, meanwhile, waste of metal raw materials is avoided, energy-saving and environment-friendly effects are better achieved, through the cooperative use of the disc, a limiting plate and the special-shaped discs, two steps of metal adsorption and movement of the baffle plate are linked, thenthe linkage performance of the whole device is improved, and operation is simpler.

The invention relates to the field of photocatalysis, and provides a method for loading metal clusters on a photocatalyst. According to the method, no additive is needed, metal particles and photocatalyst particles are adopted as precursors, and the metal cluster loaded composite photocatalyst can be obtained under the hydrothermal condition after the metal particles and the photocatalyst particles are mixed. According to the method, the metal particles with large particle sizes are oxidized and etched by utilizing the oxidability of thermally induced holes of the photocatalyst, then metal atoms enter a solution, and metal ions grow on the particles in a heterogeneous nucleation manner under the reduction action of a hydrothermal condition to form the metal clusters. Compared with the prior art, the loading process provided by the invention is extremely simple, the size of the loaded metal clusters is less than 2 nm, the loaded metal clusters are uniformly distributed on photocatalyst particles, and the catalytic activity of the photocatalyst is greatly improved.

The invention discloses a homologous metal gradient material as well as a preparation method and application thereof, and the preparation method of the homologous metal gradient material comprises thefollowing steps: (1) taking a transition metal material for chemical oxidation treatment to form a transition metal-metal oxide material; and (2) adding a chalcogenide source into the transition metal-metal oxide material, introducing inert gas and reaction gas, forming a homologous metal gradient material through a reaction, and the reaction gas can reduce metal oxide in the transition metal-metal oxide material. The transition metal material is used as a substrate material, the homologous metal gradient material is prepared through in-situ derivation of the homologous metal, the stability is good, the electro-catalytic hydrogen evolution performance is superior to that of other transition metal-based catalysts, and the homologous metal gradient material has wide application prospects inwater electrolysis hydrogen production, supercapacitors and ion batteries.

The invention relates to a preparation method of a metal-containing monatomic fluid. The method comprises the following steps: stirring and mixing polyvinylidene fluoride and an N, N-dimethylformamide solution for a certain time, adding metal solid powder, fully stirring at normal temperature to obtain a turbid liquid in which metal atoms are dispersed, adding polyaniline and nitroxide free radical piperidinol/PyBIG into the turbid liquid of the metal atoms, fully stirring at normal temperature, and fully dispersing metal atoms in the solution to obtain the metal-containing monatomic fluid. Through a long-time normal-temperature sufficient stirring process, the monatomic fluid containing the metal is prepared through simple operation. The preparation process method is simple, and large-scale industrial production can be easily realized. The preparation process is short in manual time consumption and high in yield, and the working efficiency can be effectively improved. The monatomic fluid containing the dispersed metal can be applied to capture of carbon dioxide in flue gas of a power plant, and has a good effect on absorption and desorption of carbon dioxide.

The invention discloses a construction method of a metal-organic coordination structure. The construction method realizes the construction of the metal-organic coordination structure by controllably introducing metal atoms with specific types and concentrations on the surface and regulating and controlling the proportion of molecules to the metal atoms, halogenated naphthol molecules and iron atoms are co-deposited on the surface and annealed at a specific temperature to form the metal-organic coordination structure with O-Fe-O and C-Fe-C coordination bonds, and compared with the metal-organic coordination structure only containing a single coordination bond in the past, the coordination structure has more special and complicated electrical and magnetic properties, and meanwhile, the structure has more reaction active sites and has a wider potential application prospect in the fields of catalysis, molecular recognition and the like.

A curable formulation containing a metal aprotic organosilanoxide compound of formula (I): {R¹—Si(R²)(R³)—[O—Si(R⁴)(R⁵)]_m—O}_n-M¹(←L)_o(X¹)p (I), wherein M¹ is a metal atom Al, Ce, Fe, Sn, Ti, V, or Zr, a polymerizable organosilicon compound, an organosilicon crosslinker for crosslinking the polymerizable organosilicon compound, and a silicon-based adhesion promoter. Also included is a cured product of curing the curable formulation; a manufactured article containing or prepared from the curable formulation or cured product; and methods of making and using the foregoing. The cured product may be free-standing or disposed on a substrate.

The invention provides a metal-organic framework material separation membrane and a preparation method of the metal-organic framework material separation membrane. The metal-organic framework material separation membrane comprises a base membrane and a metal-organic framework material functional layer, and the metal-organic framework material functional layer structurally comprises polyhedral structures which are mutually embedded. The preparation method of the metal-organic framework material separation membrane comprises the following steps: (1) preparing a solution containing a first organic solvent, an organic ligand, a metal compound and an auxiliary agent; (2) pretreating the base film, and introducing metal atoms in the metal compound in the step (1) to the surface of the base film; and (3) mixing the base membrane pretreated in the step (2) with the solution in the step (1) to obtain a first mixture, and heating the first mixture to react to prepare the metal-organic framework material separation membrane. The organic gas separation membrane prepared by the invention has the properties of high separation coefficient, large flux, adhesion resistance, pollution resistance and the like in the application process.

The invention provides a metal corrosion inhibitor and a preparation method thereof, and relates to the technical field of metal materials. The preparation method of the metal corrosion inhibitor comprises the following steps: mixing and dissolving alpha-amino acid, an alkaline reagent and a solvent to obtain a first mixed solution; adding 4-tert-butylbenzoyl chloride into the first mixed solution, carrying out continuous stirring till the reaction is completed, obtaining a second mixed solution, separating and purifying the second mixed solution, and obtaining the metal corrosion inhibitor. According to the metal corrosion inhibitor, coordination bonds can be formed between metal corrosion inhibitor atoms and metal atoms, a compact monomolecular film layer is formed on the metal surface so as to slow down metal corrosion, and the preparation method of the metal corrosion inhibitor is short in synthesis step, mild in reaction condition, easy and convenient to operate; the alpha-amino acid, the alkaline reagent and the p-tert-butylbenzoyl chloride are used as raw materials, so the method is wide in source, low in cost, non-toxic, harmless, green and environment-friendly.

The invention discloses a metal organic coordination nanometer material, a preparation and use method thereof and a sensor based on the material. According to the metal organic coordination framework nano material,-O-active groups generated by a dehydrogenation reaction of hydroxyl of a molecule 4, 4 '-di-(hydroxyl) quaterphenyl are coordinated with metal atoms to form a metal organic most basic unit, and the unit extends outwards to form the nano material. The material absorbs carbon dioxide and can release the carbon dioxide through heating, so that the material can be repeatedly used. According to the carbon dioxide absorption sensor based on the metal organic coordination frame nanometer material, an air collecting port is connected with a concentration sensing device and then connected with an air outlet, the mechanical pump is used for exhausting air for the device, and the concentration sensor comprises a heater and the metal organic coordination frame nanometer material. The material screens gas molecules without affecting the structural stability. The nano-pores enable metal binding sites to have relatively small steric hindrance, so that reaction proceeding can be increased, and the sensitivity of the material to carbon dioxide is improved.

The invention relates to a method of producing elongate metal strands or fibres with a crucible, the method comprising the steps of; directing molten metal through a nozzle having a nozzle direction in a deposition direction at a regulated pressure difference between the inside and the outside of the crucible; depositing said molten metal from said nozzle on a rotating planar surface having an axis of rotation; entraining said molten metal in one plane via said rotating planar surface to form elongate metal strands, wherein said rotating surface is aligned at an alignment angle, to the deposition direction during the entraining of the molten metal; cooling said elongate metal strands to form solidified metal strands; and guiding said metal strands to collecting means to collect the solidified metal strands formed on the rotating planar surface.

This disclosure provides a graded composition including at least a first, second, and third material property zone each having a crystallographic configuration distinct from other zones. In some implementations, the graded composition has a first material in the first material property zone including a metal, the first material composed of metallic bonds between metal atoms present in the first material property zone; a second material that at least partially overlaps the first material in the first material property zone including carbon, the second material composed of covalent bonds between the carbon in the second material and the metal in the first material; and, a third material that at least partially overlaps the second material property zone including carbon, the third material composed of covalent bonds between the carbon of the third material. Each crystallographic configuration may include a cubic crystallographic lattice, a hexagonal lattice, a face or body-centered cubic lattice.

The invention discloses a method for improving the binding force of a polymer and a metal film. The method comprises the steps that a carbon plasma induction in-situ growth method is adopted, metal plasma is sputtered at the same time, the carbon plasma induces polymer in-situ transformation and reacts with metal atoms to generate a complex at the same time, accordingly, an amorphous carbon/metal mixed transition layer is constructed on the surface of a polymer matrix, and then a metal thin film is grown. Therefore, the binding force between the metal film and the polymer substrate is enhanced. According to the method, the amorphous carbon/metal mixed transition layer is prepared between the metal film and the polymer substrate, bonding of metal on the surface of the polymer can be better improved, and the method has the advantages that the process is simple, the polymer substrate is not limited, environment friendliness is achieved, the metal films are diversified, and the cost is low; the method has a wide application prospect for developing an environment-friendly polymer surface metallization technology and expanding the application of the polymer in the fields of electronics, machinery, decoration, blocking, electromagnetism, light, heat and the like.