53 results about "Substance M" patented technology

The present invention relates to a method for preparing nano noble metal hydrogenation catalyst by using chemical displacement process and its application. It is characterized by that it utilizes metal elementary substance M and salt of noble metal N and makes them undergo the process of displacement reaction to produce elementary substance N, in which the N represents Ru, Rh, Pd, Pt and Ir or their mixture, M represents Zn, Al, Fe, Co and Ni. When the M is terrifically excess, N/M type metal loaded nano noble metal can be produced; and When the N and M are approximate to stoichiometry, the highly-dispersed nano N colloid can be formed, after the stabilizing agent is added, the load type N/S can be prepared, in which S represents C, Al2O3, SiO2, MgO, ZrO2 and CeO2. Said catalyst can be used for hydrogenation reaction of various compounds.

The invention discloses a preparation method of racemic tocopherol. In the method, a mixed system consisting of metal hydrochloride MCln and a metal simple substance M serves as a catalytic system for condensation of isophytol and trimethylhydroquinone, wherein M is selected from one of zinc, copper, aluminum, magnesium, tin and titanium atoms; and n represents the quantivalency of a metal atom M, and is an integer selected from 1-4. The method has the advantages of readily available raw materials, easiness in operating, good suppression of oxidation of tocopherol, good application prospect and suitability for industrial production.

The invention provides an ultra-high density vertical magnetic recording medium by a physical deposition method, i.e., a magnetron sputtering method, in which the recording medium uses L10-CoPt as a magnetic layer, includes a substrate, a base layer, and the magnetic layer, the magnetic layer is a multi-layer film on which CoPt and non-magnetic substance M are alternately deposited, wherein CoPt is equiatomic CoPt alloy, the non-magnetic substance M is carbon C or boron nitride BN. The method has a low manufacturing cost, products with small grain size, and the method can largely increase production efficiency thereby having a good industrialisation foreground.

The invention discloses a ternary microwave medium material of Li2O-CoO2-TiO2 and a low temperature sintering method. The microwave medium material consists of 96-99.5wt% of Li2CoTi3O8 and 0.5-4wt% of low melting point substance M, wherein the M is one of the H3BO3, the BaCu(B2O5) and the V2O5. The low temperature sintering method comprises the following steps of: mixing for 12 hours by wet ball mill, wherein the solvent is distilled water; presintering for 4 hours in atmosphere at 900 DEG C after drying; adding a bonder in the presintered powder and prilling; compressing and molding; and finally sintering for 2 hours in atmosphere at 850-950 DEG C. The bonder is a 5% polyving akohol solution by mass concentration and accounts for 6% of the total weight of the original powder. The ceramic material has low sintering temperature, high frequency dielectric constant (epsilon r) of 20-30, Q*f value of 8000-30000GHz and lower temperature coefficient of resonance frequency (tau f) and can not react with silver (Ag), thereby the co-sintering requirement with low cost silver electrode can be satisfied and the manufacturing cost of the apparatus can be greatly reduced.

The invention discloses a supported zeolite catalyst for oxidation removal of dichlorobiphenyl in supercritical water. Zeolite is washed and modified with AgNO3 to prepare a substance M; the substance M is modified with a mixed solution prepared from polyvinylpyrrolidone, methanol, auric chloride, rhodium chloride trihydrate, ruthenium chloride trihydrate, concentrated hydrochloric acid and sodium borohydride to prepare a substance N; the substance N is modified with a mixed solution prepared from CoCl2, CuCl2, concentrated nitric acid, urea and ammonium fluoride to prepare a substance O; the substance O is modified with a mixed solution prepared from tetra-n-butyl titanate, tetraethyl orthosilicate and acetylacetone to prepare a substance P; the substance P is modified with a mixed solution prepared from SnCl4, SrCl2 and InCl3 to prepare a substance Q; the substance Q is modified with a mixed solution prepared from NiCl2, CeCl3, NaOH, Na2CO3 and CdCl2 to prepare a substance, namely the supported zeolite catalyst for oxidation removal of dichlorobiphenyl in supercritical water.

The invention discloses a preparation method for m-chlorophenol source hyper-fluorescent carbon dots. The method specifically comprises the following steps: (1), dissolving m-chlorophenol into a mixed solvent of methanol and water, stirring or enabling the mixed liquid to be subjected to ultrasound to obtain a uniform mixed solution, then transferring into an autoclave, and performing constant-temperature heating in an oven of 170 to 190 DEG C for 10 to 12 hours; (2), cooling to the room temperature in a natural way, removing large particles by centrifugation, extracting unreacted m-chlorophenol by using dichloromethane of double volumes twice to four times, so that purified hyper-fluorescent carbon dots are obtained. According to the preparation method, the toxic and harmful substance m-chlorophenol is used as a precursor for preparing the hyper-fluorescent carbon dots for the first time, the poison is successfully turned into the valuable, and a novel thought is provided for the disposal of the supervirulent m-chlorophenol and pesticide residues of this kind. Besides, the prepared carbon dots have the advantages of uniform size distribution, high quantum yield, low toxicity, good biocompatibility and good photostability. Thus, the method has relatively high promotional value.

A coated article includes a substrate, a first layer formed on the substrate, and a second layer deposited on the first layer. The substrate comprises a first outer surface. The substrate defines a plurality of first convexes in the first outer surface. The first layer comprises a second outer surface away from the first outer surface. The second outer surface of the first layer defines a plurality of second convexes corresponding to the first convexes in the position. The second layer substantially includes substance M, O, and N, wherein M is Al or Si.

The invention relates to a catalyst system for preparing cyclohexene by benzene selective hydrogenation, and a method for preparing cyclohexene by benzene selective hydrogenation. The method for preparing cyclohexene by benzene selective hydrogenation is implemented by catalyzing with the catalyst system composed of nanometer Ru catalyst, alkaline substance M, zinc salt and water. The nanometer Ru catalyst with microcrystalline size of 3-6 nm is prepared from NaOH, RuCl3 and polyethylene glycol (PEG) by co-current co-precipitation method. The alkaline substance M can be hydroxide, oxide or alkaline organic substance of alkali metal, alkaline earth metal, transition metal or rare earth metal. The zinc salt can be zinc sulfate, zinc nitrate or zinc chloride. Ru catalyst/M/zinc salt weight ratio is 1:(0-10):(20-30), and Ru/water weight ratio is 0.5-1%. At 150 DEG C and 5.0 MPa, after reaction for 15-25 min, when the benzene conversion rate is 40-60%, cyclohexene selectivity is 75-85%, and cyclohexene yield is 35-50%.

The embodiment of the invention discloses a preparation method of spinel type lithium manganate or lithium nickel manganese oxide. The method includes: mixing a lithium source, a substance M and a base material to obtain a precursor; and conducting calcination treatment on the precursor to obtain a target product. The substance M includes a manganese source, or the substance M includes a manganese source and a nickel source, under the circumstance that the substance M includes the manganese source, the target product is spinel type lithium manganate, and under the circumstance that the substance M includes the manganese source and the nickel source, the target product is spinel type lithium nickel manganese oxide. The base material is plant fiber with a hollow structure, preferably at least one of wood pulp fiber and cotton pulp, and the weight of the base material is not less than 1% of the total weight of the lithium source and the substance M. The scheme ensures that in a calcination process, the precursor at different positions can contact oxygen more uniformly, so that the spinel type lithium manganate or lithium nickel manganese oxide has good structural consistency.

The invention relates to a transition metal phosphide MxPy oxygen reduction and hydrogen evolution bifunctional catalyst and a preparation method and application thereof. The preparation method comprises the following steps: S1, mixing transition metal elementary substance M and red phosphorus powder, and ball milling to obtain transition metal phosphide MxPy material in an inert atmosphere; S2, adding a dispersing agent into the MxPy material, ball milling, and drying to obtain a transition metal phosphide MxPy bifunctional catalyst for oxygen reduction and hydrogen evolution. A metal transition phosphide with high purity, small crystal grain size and large specific surface area is prepared by a ball milling method, and has excellent ORR and HER catalytic performance and high stability, and can be widely applied to metal-air batteries, fuel cells or electrocatalytic hydrolysis to produce hydrogen; and the preparation method provided by the invention is simple and quick, the raw materials are cheap and easy to obtain and pollution-free, the production cost is low, and the requirement of industrialized mass production is met.

A coated article includes a substrate, a first ceramic layer deposited on the substrate, a color layer deposited on the first ceramic layer, and a second ceramic layer deposited on the color layer. The first ceramic layer substantially includes substance M, elemental O and elemental N, wherein M is Al or Si. The color layer substantially includes metal M′, O and elemental N, wherein M′ is elemental Al or Zn. The second ceramic layer substantially includes substance M, elemental O and elemental N, wherein M is Al or Si.

A coated article is provided. A coated article includes a substrate, a ceramic layer deposited on the substrate by vacuum plating, and a color layer deposited on the ceramic layer. The ceramic layer substantially includes substance M, elemental O and elemental N, wherein the M is Al or Si. The color layer substantially includes metal M′, elemental O and elemental N, wherein the M′ is Al or Zn.

The invention discloses a catalyst of imide synthesized by an aromatic nitro compound and benzaldehyde or furfural and a derivative thereof as well as a preparation method and an application. The catalyst of the imide synthesized by the aromatic nitro compound and the benzaldehyde or the furfural and the derivative thereof is in a vulcanizing state, and the composition is shown as MS2@MoS2, wherein an auxiliary M is Fe, Co, Ni or Cu, and a ratio of the quantity of a substance M to the quantity of a substance M0 is 0.25 to 1. The catalyst disclosed by the invention has the advantages of mild reaction conditions, high conversion ratio, high selectivity and low cost.

The invention discloses an ester exchange catalyst with biological activity, a synthesis method of the ester exchange catalyst, and application of the ester exchange catalyst to preparation of degradable polyester. The synthesis method of the ester exchange catalyst comprises the steps that a simple substance M and dihydric alcohol A are mixed and heated to the boiling point temperature or above of the dihydric alcohol A, a reaction is conducted under the condensation reflux condition, and the ester exchange catalyst is obtained through stirring and aging; the simple substance M is selected from one or more of metal magnesium, calcium and strontium; the general molecular formula of the dihydric alcohol A is HO(CH2)<m>OH, and m is selected from 2 to 10; and the mass ratio of the simple substance M to the dihydric alcohol A is (0.001 to 0.5):1. The ester exchange catalyst is further applied to the synthesis field of the degradable polyester, and the finally prepared degradable polyesterhas the high molecular weight and the biological activity, and can be applied to the biomedical field.

A coated article is provided. A coated article includes a substrate having a color layer and a ceramic layer formed thereon, and in that order. The color layer substantially comprises a material elected from the group consisting of aluminum, aluminum alloy, zinc, and zinc alloy. The ceramic layer substantially consists of substance M, elemental O, and elemental N, wherein M is elemental Al or elemental Zn.

The invention discloses a supported foamy copper catalyst used for removing acrylonitrile through supercritical water oxidation. A preparation method of the catalyst comprises the following steps: cleaning foamy copper and then modifying foamy copper with AgNO3, thus preparing a substance M; modifying the substance M with mixed liquor prepared from polyvinylpyrrolidone, methanol, palladium dichloride, gold chloride, concentrated hydrochloric acid and sodium borohydride, thus preparing a substance N; modifying the substance N with mixed liquor prepared from PbCl2, SrCl2, concentrated nitric acid, urea and ammonium fluoride, thus preparing a substance O; modifying the substance O with mixed liquor prepared from tetra-n-butyl titanate, tetraethyl orthosilicate and acetylacetone, thus preparing a substance P; modifying the substance P with mixed liquor prepared from ZrCl4, CdCl2 and AlCl3, thus preparing a substance Q; modifying the substance Q with mixed liquor prepared from ZnCl2, BiCl3, NaOH, Na2CO3 and CuCl2, thus obtaining a substance, namely the supported foamy copper catalyst used for removing acrylonitrile through supercritical water oxidation.

A method for sintering lithium contained electrode material includes: depositing a mixture of a particle like lithium compound and a substance M in a metal container, where M is a chemical element selected from a group consisting of iron (Fe), phosphor (P), cobalt (Co), nickel (Ni), manganese (Mn), vanadium (V), and carbon (C), or an oxide or compound thereof; subjecting the mixture deposited in the metal container to heat treatment by heating the metal container in two phases of which temperature ranges for heating are respectively 300-700° C. and 500-900° C.; and grinding the mixture so heat-treated to obtain a powder like lithium contained electrode material. According to the method of the present invention, in the process of sintering and synthesis, it is not necessary to supply an external (or a great amount of) protective gas, so that substantial reduction of processing cost and time is realized.

A coated article includes a substrate, a color layer formed on the substrate and a ceramic layer deposited on the color layer. The color layer substantially includes metal Zn and O. The ceramic layer substantially includes substance M, O, and N, wherein M is Al or Si.

The invention relates to a method for producing an electrolytically coated cold rolled strip, preferably for use in the production of battery sheaths. The cold rolled strip is provided with a cobalt or a cobalt alloy layer by an electrolytic method. The aim of the invention is to provide a battery sheath with low values for the electric contact resistance between the cathode substance of the battery and the inner surface of the battery sheath. To this end, organic substances m added to the electrolyte during coating that produce decomposition products, said decomposition produces and/or reaction products of said decomposition products with other components of the electrolytic bath being deposited on the strip material as a brittle layer along with the cobalt or the cobalt alloy.

The invention discloses a supported ceramic catalyst for acrylonitrile removal through supercritical water oxidation. The catalyst is prepared through the following steps: cleaning ceramic, and modifying with AgNO3 to prepare a substance M; modifying the substance M with a mixed solution prepared from polyvinylpyrrolidone, methanol, palladium dichloride, ruthenium trichloride trihydrate, concentrated hydrochloric acid and sodium borohydride to prepare a substance N; modifying the substance N with a mixed solution prepared from PbCl2, NiCl2, concentrated nitric acid, urea and ammonium fluoride to prepare a substance O; modifying the substance O with a mixed solution prepared from tetrabutyl titanate, tetraethyl orthosilicate and acetylacetonate to prepare a substance P; modifying the substance P with a mixed solution prepared from NbCl4, MnCl2 and CeCl3 to prepare a substance Q; and modifying the substance Q with a mixed solution prepared from CuCl2, AlCl3, NaOH, Na2CO3 and ZnCl2 to obtain a substance which is the supported ceramic catalyst for acrylonitrile removal through supercritical water oxidation.

The invention discloses a supported ferroferric oxide catalyst used in supercritical water oxidation to remove dichlorobiphenyl. A method for preparing the supported ferroferric oxide catalyst is characterized by cleaning ferroferric oxide and then modifying ferroferric oxide with AgNO3, thus preparing a substance M; modifying the substance M with mixed liquor prepared from polyvinylpyrrolidone, methanol, rhodium trichloride trihydrate, ruthenium trichloride trihydrate, concentrated hydrochloric acid and sodium borohydride, thus preparing a substance N; modifying the substance N with mixed liquor prepared from ZnCl2, PbCl2, concentrated nitric acid, urea and ammonium fluoride, thus preparing a substance O; modifying the substance O with mixed liquor prepared from tetra-n-butyl titanate, tetraethyl orthosilicate and acetylacetone, thus preparing a substance P; modifying the substance P with mixed liquor prepared from ZrCl4, CdCl2 and CeCl3, thus preparing a substance Q; and modifying the substance Q with mixed liquor prepared from SrCl2, SbCl3, NaOH, Na2CO3 and MgCl2, thus obtaining a substance, namely the supported ferroferric oxide catalyst used in supercritical water oxidation to remove dichlorobiphenyl.

The invention discloses a loaded type foam aluminum catalyst for removing acrylonitrile through supercritical water oxidation. Foam aluminum is cleaned, is then prepared into a substance M through AgNO3 modification; the substance M is prepared into a substance N through the modification on a mixed solution prepared from polyvinylpyrrolidone, methyl alcohol, gold chloride, concentrated hydrochloric acid and sodium borohydride; the substance N is prepared into a substance O through the modification on a mixed solution prepared from CoCl2, CuCl2, concentrated nitric acid, urea and ammonium fluoride; the substance O is prepared into a substance P through the modification on a mixed solution prepared from tetra-n-butyl titanate, tetraethoxysilane and acetylacetone; the substance P is prepared into a subsequent Q through the modification on a mixed solution prepared from SnCl4, PbCl2 and CeCl3; the subsequent Q is prepared into a substance through the modification on a mixed solution prepared from SrCl2, InCl3, NaOH, Na2CO3 and NiCl2, and the substance is the loaded type foam aluminum catalyst for removing acrylonitrile through supercritical water oxidation.

The invention discloses a supported foam iron catalyst used for dimethylformamide removing by supercritical water oxidation. Foam iron is cleaned and then modified by AgNO3 to prepare a substance M; the substance M is modified by a mixed liquor to prepare a substance N, wherein the mixed liquor is prepared from polyvinylpyrrolidone, methyl alcohol, trihydrate rhodium chloride, concentrated hydrochloric acid and sodium borohydride; the substance N is modified by a mixed liquor to prepare a substance O, wherein the mixed liquor is prepared from MgC12, ZnC12, concentrated nitric acid, urea and ammonium fluoride; the substance O is modified by a mixed liquor to prepare a substance P, wherein the mixed liquor is prepared from tetra-n-butyl titanate, tetraethyl orthosilicate and acetylacetone; the substance P is modified by a mixed liquor by a mixed liquor to prepare a substance Q, wherein the mixed liquor is prepared from ZrC14, PbC12 and CeC13; and the substance Q is modified by a mixed liquor to prepare the supported foam iron catalyst used for dimethylformamide removing by supercritical water oxidation, wherein the mixed liquor is prepared from NiC12, AlC13, NaOH, Na2CO3 and CoC12.

The invention discloses a supported vanadium pentoxide catalyst for removing acrylonitrile by supercritical water oxidation. Vanadium pentoxide is cleaned and then is modified by AgNO3 to obtain a substance M; the substance M modifies a mixed solution prepared from polyvinylpyrrolidone, methanol, palladium dichloride, rhodium chloride trihydrate, concentrated hydrochloric acid and sodium borohydride to obtain a substance N; the substance N modifies a mixed solution prepared from MnCl2, CoCl2, concentrated nitric acid, urea and ammonium fluoride to obtain a substance O; the substance O modifies a mixed solution prepared from tetrabutyl titanate, tetraethyl orthosilicate and acetylacetone to obtain a substance P; the substance P modifies a mixed solution prepared from ZrCl4, ZrCl2 and CeCl3 to obtain a substance Q; the substance Q modifies a mixed solution prepared from PbCl2, BiCl3, NaOH, Na2CO3 and MgCl2 to obtain a substance, namely the supported vanadium pentoxide catalyst for removing the acrylonitrile by the supercritical water oxidation.

The invention discloses a load-type foamed aluminum catalyst for removing dimethyl formamide by use of supercritical water oxidization. The load-type foamed aluminum catalyst for removing dimethyl formamide by use of supercritical water oxidization is prepared by virtue of the following steps: washing foamed aluminum, and then modifying the washed foamed aluminum with AgNO3, thereby obtaining a substance M; modifying a mixed solution prepared from polyvinyl pyrrolidone, methanol, gold trichloride, concentrated hydrochloric acid and sodium borohydride by the substance M, thereby obtaining a substance N; modifying a mixed solution prepared from SrCl2, CoCl2, concentrated aqua fortis, urea and ammonium fluoride by the substance N, thereby obtaining a substance O; modifying a mixed solution prepared from tetra-n-butyl titanate, tetraethyl orthosilicate and acetylacetone by the substance O, thereby obtaining a substance P; modifying a mixed solution prepared from ZrCl4, MgCl2 and InCl3 by the substance P, thereby obtaining a substance Q; and modifying a mixed solution prepared from PbCl2, BiCl3, NaOH, Na2CO3 and CdCl2 by the substance Q, thereby obtaining a substance, namely the load-type foamed aluminum catalyst for removing the dimethyl formamide by use of supercritical water oxidization.

The invention discloses a supported ceramic catalyst for removing dichlorobiphenyl by supercritical water oxidation. The supported ceramic catalyst is prepared by the following steps: cleaning ceramic and then modifying the cleaned ceramic with AgNO3 to prepare a substance M; modifying the substance M with a mixed solution prepared from polyvinylpyrrolidone, methanol, palladium dichloride, ruthenium (III) chloride trihydrate, concentrated hydrochloric acid and sodium borohydride to prepare a substance N; modifying the substance N with a mixed solution prepared from MgCl2, SrCl2, concentrated nitric acid, urea and ammonium fluoride to prepare a substance O; modifying the substance O with a mixed solution prepared from tetra-n-butyl titanate, tetraethyl orthosilicate and acetylacetone to prepare a substance P; modifying the substance P with a mixed solution prepared from PtCl4, CoCl2 and SbCl3 to prepare a substance Q; modifying the substance Q with a mixed solution prepared from CdCl2, BiCl3, NaOH, Na2CO3 and PbCl2 to prepare a substance, namely, the supported ceramic catalyst for removing the dichlorobiphenyl by supercritical water oxidation.

The invention discloses a supported graphite catalyst for the removal of acrylonitrile by supercritical water oxidation. After being cleaned, the graphite is modified by AgNO3 to obtain the substance M; the substance M is modified by a mixed solution prepared by polyvinylpyrrolidone, methanol, palladium dichloride, concentrated hydrochloric acid and sodium borohydride to obtain the substance N; the substance N is modified by a mixed solution prepared by SrCl2, NiCl2, concentrated nitric acid, urea and ammonium fluoride to obtain the substance O; the substance O is modified by a mixed solution prepared by tetra-n-butyl titanate, tetraethyl orthosilicate and acetylacetone to obtain the substance P; the substance P is modified by a mixed solution prepared by ZrCl4, MgCl2 and BiCl3 to obtain the substance Q; the substance Q is modified by a mixed solution prepared by CdCl2, SbCl3, NaOH, Na2CO3 and CoCl2 to obtain the supported graphite catalyst for the removal of the acrylonitrile by the supercritical water oxidation.