232 results about "Periodic table" patented technology

The invention discloses a cross-scale graphene / aluminum composite material machine learning design method, and belongs to the technical field of metal material property prediction. In order to inhibit serious interface reaction of graphene and a metal matrix at an interface, a method for accelerating a first principle by machine learning is utilized, alloy elements suitable for segregation towards a graphene / aluminum interface are selected in a periodic table range of elements, and elements suitable for being doped in the aluminum matrix and having no negative influence on mechanical properties of the matrix are selected; the influence of graphene distribution and temperature on the mechanical property of the cross-scale graphene / aluminum composite material is determined through a molecular dynamics simulation method, and the preparation process range of the cross-scale graphene / aluminum composite material is determined; alloy elements suitable for segregation to a graphene / aluminum interface and elements suitable for being doped in an aluminum matrix and having no negative influence on mechanical properties of the matrix are compared to obtain an intersection, doped elements are determined, and then experimental verification is performed based on a preparation process of the cross-scale graphene / aluminum composite material.

In one aspect, evaporator boats are provided which, in some embodiments, exhibit resistance to corrosion and associated performance degradation imparted by exposure to molten metals, including aluminum. An evaporator boat described herein comprises a body and an evaporator surface, the body comprising a boron nitride (BN) component and a TiB2 component including a solid solution of TiB2 and one or more elements selected from the group consisting of silicon and metallic elements of Groups IVB-VIIIB of the Periodic Table.

The disclosure relates to a metallocene complex of formula (I), wherein Mt is Zr or Hf; X is a sigma ligand; R1 are each independently, same or different from each other, C1-C20-hydrocarbyl, optionally containing up to two heteroatoms of Group 14-16 of the Periodic Table, or form, together with the Si atom they are attached to, a C4-C8-ring; R2 and R2' are each independently, same or different from each other, C6-C10-aryl, heteroaryl, or CH2-R21, with R21 being H or C1-C10-hydrocarbyl; n are each independently, same or different from each other, an integer from 1 to 5; R3 and R4 are each independently, same or different from each other, H, linear or branched C1-C6-alkyl, C7-C20-arylalkyl, C7-C20-alkylaryl, C6-C20-aryl, or -OR31, with R31 being C1-C10-hydrocarbyl, whereby at least one R3 per present phenyl group and at least one R4 is not H; R5 and R6 are each independently C1-C10-hydrocarbyl or form together with neighbouring oxygen atoms -O(R61)m-O-, wherein R61 is independently -CH2-, -CHR*-, or -C(R*)2- group, with R* being C1-C2-alkyl and m being an integer from 2 to 4; R5' and R6' are each independently C1-C10-hydrocarbyl or form together with neighbouring oxygen atoms –O(R61')m-O-, wherein R61' is independently -CH2-, -CHR*-, or –C(R*)2- group, with R* being C1-C2-alkyl and m being an integer from 1 to 4; R7 is H, Me, OMe, or C6-C20-aryl, whereby the C6-C20-aryl is substituted 1 to 5 times with R3, whereby at least one R3 per said aryl group is not H.

An MXene or a derivative thereof, on which nitrous oxide reductase is immobilized, wherein the MXene has a formula of Mn+1XnTs, wherein M is a transition metal of Groups 3, 4, 5, 6, or a combination thereof, of the Periodic Table of the Elements, X is carbon, nitrogen, or a combination thereof, T is oxide, epoxide, hydroxide, C1-C5 alkoxide, fluoride, chloride, bromide, iodide, or a combination thereof, and n is 1, 2, or 3, and s is 0, 1, or 2.

The disclosure relates to a metallocene complex of formula (I) wherein Mt is Zr or Hf; X is a sigma ligand; R1 are each independently, same or different from each other, C1-C20-hydrocarbyl, optionally containing up to two heteroatoms of Group 14-16 of the Periodic Table, or form together with the Si atom they are attached to a C4-C8-ring; R2 and R2' are each independently a C1-C10-hydrocarbyl, provided that at least one of R2 and R2' is an alpha-branched C3-C10-hydrocarbyl; n are each independently, same or different from each other, an integer from 1 to 5; R3 and R4 are each independently, same or different from each other, H, linear or branched C1-C6-alkyl, C7-C20-arylalkyl, C7-C20-alkylaryl, C6-C20-aryl, -OR31, SR31, or N(R31)2,with R31 being C1-C10-hydrocarbyl, whereby at least one R3 per phenyl group and at least one R4 is not H; R5 and R6 are each independently, same or different from each other, H or C1-C10- hydrocarbyl, or may form together with the C atoms they are attached to a C5-C7 carbocycle; R51' is C1-C10-hydrocarbyl; and R6' is C(R61)3, with R61 being linear or branched C1-C6-alkyl.

To provide a reductant capable of preventing or suppressing deterioration in performance and lifespan of an oxygen carrier while enabling relatively easy thermal control.SOLUTION: According to one aspect of the present invention, a reductant is provided which generates oxygen defects upon contact with a reducing gas containing hydrogen and eliminates the oxygen defects upon contact with an oxidizing gas containing carbon dioxide. The reductant contains an oxygen carrier having oxygen ion conductivity and latent heat storage particles. The oxygen carrier includes at least two metal elements belonging to Group 3 and Group 4 of the periodic table, including lanthanoids and actinoids, or includes Fe. The latent heat storage particles comprise a core particle and a coating part covering at least a portion of the core particle. The core particle is composed of an element selected from the group consisting of Al, Mg, Si, Ti, Fe, Ni, Cu, Zn, Sn, Sb, Ga, In, Bi, Pb, and Cd, or an alloy or compound mainly composed of the element, having a melting point of 100°C or higher.SELECTED DRAWING: Figure 1

The disclosure relates to a metallocene complex of formula (I) wherein Mt is Zr or Hf, preferably Zr; X is a sigma ligand R1 are each independently, same or different from each other, C1-C20-hydrocarbyl, optionally containing up to two heteroatoms of Group 14-16 of the Periodic Table, or form together with the Si atom they are attached to a C4-C8-ring; R2 is linear C1-C20-hydrocarbyl; R2' is alpha-branched C3-C10-hydrocarbyl or SiH(R21')2, with R21' being each independently, same or different from each other, C1-C10-hydrocarbyl; n are each independently an integer from 1 to 5; R3 and R4 are each independently, same or different from each other, H, C1-C10- hydrocarbyl group, or a –OR31, -SR31 or -NR31 2 group in which R31 is C1-C10- hydrocarbyl, whereby at least one R3 and at least one R4 is not hydrogen; L is O or S; R51 and R51' are each independently, same of different from each other, C1-C10- hydrocarbyl; and R6 and R6' are each independently, same or different from each other, C(R61)3 or - OR61, with R61 being each independently, same of different from each other, linear or branched C1-C6-alkyl; or adjacent LR51 and R6 and / or LR51' and R6' form together a -O[C(R62)2]mO- group, with each R62 being independently, same or different from each other, H or linear or branched C1-C6-alkyl, with m being 1 to 3.

A coated tool includes a base and a coating layer on the base. The coating layer includes a cubic crystal that includes one or more kinds of elements selected from Groups 4, 5 and 6 in the periodic table, Al, Si, B, Y and Mn, and one or more kinds of elements selected from C, N and O. A maximum peak is in a range of 50° or more in a distribution of X-ray intensity (111) at α axis of a pole figure, the X-ray intensity regarding a (111) plane of the cubic crystal. The intensity at the maximum peak is Imax, a peak width at 0.8 Imax of the maximum peak is 20° or more, and the intensity at 90° is 0.78 Imax or more. A cutting tool includes a holder which includes a pocket at an end, and the coated tool in the pocket.

Naphtha reforming catalysts are described. The catalyst includes a support comprising a solid solution or a homogenous mixture of atoms in solid state having a single crystal structure comprising AI2O3, and / or 0.01 to 3 wt% of a first metal of Group 2 or Group 15 of the Periodic Table, or a combination thereof. It also includes 0.05 to 5.0 wt% Pt and 0.05 to 5.0 wt% Re; 0.01 to 2 wt% of at least one additional metal from Groups 1, 2, 3, 9, or 15 of the Periodic Table, or combinations thereof; 0.03 to 1.0 wt% S; and 0.5 to 2 wt% of a halogen. The catalyst has an average bulk density in a range of 0.25 - 1.50 g / cc and a surface area in a range of 50-300 m2 / g. Catalytic reforming processes are also described.

The present invention addresses the problem of providing a metal carbide sintered body in which the occurrence of cracks is suppressed. Also provided is a method for producing a metal carbide sintered compact in which the occurrence of cracks is suppressed. This problem is solved by a metal carbide sintered body of at least one metal selected from the group consisting of Group 4 and Group 5 elements of the periodic table, the average particle diameter of the particles in the first region being 3.5-9.5 [mu] m, and the average particle diameter of the particles in the second region being 3.5-9.5 [mu] m. The ratio of the average particle diameter of the particles in the second region to the average particle diameter of the particles in the first region is from 0.75 to 1.0 (inclusive). Furthermore, this problem is solved by a method for producing a sintered carbide, the method comprising: a step for adding a carbon powder to a mixed powder of a SiO2 powder and a metal carbide of at least one metal selected from the group consisting of Group 4 and Group 5 elements of the periodic table; and a step for sintering the mixture to which the carbon powder has been added, the amount of the carbon powder added being 0.30-3.00 parts by mass (inclusive) per 100 parts by mass of the mixed powder.

Provided is a sputtering member composed of an alloy of Co and a group 5 element in the periodic table, such as a Co-Nb alloy, capable of suppressing particles generated during sputtering. This sputtering member contains not less than 1 at% but less than 25 at% of Nb, the remaining portion being Co and unavoidable impurities. The sputtering member has a relative density of 99.7% or more. This sputtering member contains not less than 1 at% but less than 25 at% of the total of one or more of V, Nb, and Ta, the remaining portion being Co and unavoidable impurities. The sputtering member has a relative density of 99.7% or more.

The present invention relates to a sulfide solid electrolyte which has a crystal phase containing a crystal that is represented by composition formula RaMbScXd (wherein 3 ≤ a ≤ 7, b = 1, 3 ≤ c ≤ 6, 0.1 ≤ d ≤ 2, R represents an alkali metal element, M represents an element which can have a four-coordinate structure with S and is selected from among the elements in groups 2 to 15 of the periodic table, S represents elemental sulfur, and X represents a halogen element), wherein: in the composition formula, M is composed of a total of three or more elements that include a group 14 element MA and a group 15 element MB; the crystal has three or more tetrahedral structures that include MAS4 and MBS4; and the proportion of Ge in M in the crystal is 0.05 or less in terms of the molar ratio.

The invention discloses a processing method for manufacturing a novel powder material through controlled atom spraying. In the method, the material (target) to be deposited may be selected from any element in the periodic table of elements or from a combination of at least two elements. The material to be deposited is referred to as a base material or substrate, which may be selected from polymers, metals, semiconductors, ceramics, molecular sieves, perovskite, MOFs, carbonaceous materials, or any type or class of powder material having a vapor pressure of less than 10 <-1 > mbar. The processing method taught in the invention describes a means of planning and implementing different coating structures on a substrate (substrate) by defining and controlling the production process. As a result, a plurality of novel materials having a plurality of novel properties and predetermined properties can be obtained.

This invention relates to a thermoplastic composition comprising: a) 20 to 90 wt% of a thermoplastic resin, b) a laser-direct structuring additive, c) optionally, ceramic filler particles without laser-direct structuring additive function, and d) 0.1 to 5.0 wt% of an acid-modified polymer, wherein b) comprises b1) a conductive metal oxide, wherein the conductive oxide has a maximum of 5 x 10⁻⁶ ppm. 3 The resistivity is Ω·cm, and it contains at least a metal of Group n and Group (n+1) of the periodic table, where n is an integer from 3 to 13, and / or b2) calcium copper titanate.

The present invention relates to a method for preparing a catalyst, comprising: a) a step of preparing an acidified organic solution comprising: a metal precursor of a metallic element chosen from the elements of groups 3, 4 and 5 of the periodic table, a multifunctionalized ketone additive, said metal precursor and said multifunctionalized ketone additive being present in the acidified organic solution in amounts such that the additive / metal molar ratio is greater than or equal to 1; b) a step of depositing said metal precursor on an oxide matrix, by bringing the acidified organic solution into contact with said oxide matrix; then c) a heat treatment step. The present invention also relates to the catalyst obtained and its use for converting a feedstock comprising ethanol into butadiene.

A compound represented by the Formula 1 and having an argyrodite-type crystal structure:LiaM1xM2wPSyM3z  Formula 1wherein M1 is at least one element of Group 2 or Group 11 of the periodic table, M2 is at least one metal element other than Li of Group 1 of the periodic table, M3 is at least one element of Group 17 of the periodic table, and wherein 4≤a≤8, 0<x<0.5, 0≤w<0.5, 3≤y≤7, and 0≤z≤2.

The present invention relates to a composite material comprising a) at least one elastomer, and b) an amount equal to or greater than 30% by weight, relative to the total weight of said composite material, of type 3A zeolite in which the cationic sites are occupied by the potassium cation, the sodium cation, at least one alkaline earth metal cation from column IIA of the periodic table and the hydronium ion.The invention also relates to the use of said composite material as an adsorbent material, for the production of master batches, for packaging and for the production of double-glazing.

Provided is a polishing composition capable of polishing a layer containing an element in group 13 of the periodic table in a content of 40 mass % or more at a high polishing speed. Provided is a polishing composition for use in polishing an object to be polished having a layer containing an element in group 13 of the periodic table in a content of 40 mass % or more, the polishing composition containing a cationically modified silica, a polyalkylene glycol, and an acid.

To provide a resin composition which comprises a liquid crystalline polyester resin, generates little corrosive gas from a molded article and can maintain the abrasion resistance of the molded article.SOLUTION: There is provided a resin composition which comprises a liquid crystalline polyester resin, a fluororesin and an oxide of a metal element belonging to Group 2 of the long periodic table and comprises no fibrous filler, wherein the content of the metal element belonging to Group 2 based on the total 100 mass% of the resin composition is 0.01 mass% or more and 2.0 mass% or less.SELECTED DRAWING: None

The present invention relates to a method for preparing a catalyst, comprising: • a) a step of preparing an aqueous impregnation solution comprising: • a metal precursor of a metal element chosen from the elements of groups 3, 4 and 5 of the periodic table such as tantalum, • at least one multifunctional acid additive, comprising a carboxylic acid or ester function and at least one second chemical function in the alpha or beta position, and • an aqueous solvent; the metal precursor and the multifunctional acid additive being present in the aqueous solution in amounts such that the additive / metal molar ratio is greater than or equal to 5; • b) a step of depositing the metal precursor on an oxide matrix, by placing the aqueous solution in contact with the oxide matrix; and then • c) a thermal treatment step. The present invention also relates to the catalyst obtained and to the use thereof for converting a feedstock comprising ethanol into butadiene.

The disclosure relates to a metallocene complex of formula (I) wherein Mt is Zr or Hf; X is a sigma ligand; R1 are each independently, same or different from each other, C1-C20 hydrocarbyl, optionally containing up to two heteroatoms of Group 14-16 of the Periodic Table, or form together with the Si atom they are attached to a C4-C8 ring; R2 and R2' are each independently, same or different from each other, CH2-R21, with R21 being H, linear or branched C1-C6-alkyl, C3-C8-cycloalkyl, or a C6-C9-aryl, provided that R2 and R2' are not both methyl; R3 and R4 are each independently, same or different from each other, H, linear or branched C1-C6-alkyl, C7-C20-arylalkyl, C7-C20-alkylaryl, C6-C20 aryl, or -OR31, with R31 being C1-C10-hydrocarbyl, whereby at least one R3 per phenyl group and at least one R4 is not H; R5 and R6 are each independently, same or different from each other, C1-C10 hydrocarbyl, or may form together with the C atoms they are attached to a C5-C7 carbocycle; R51' is C1-C10-hydrocarbyl; and R6' is C(R61)3, with R61 being linear or branched C1-C6-alkyl.

A catalyst used for converting a heavy hydrocarbon, wherein the catalyst includes an extrudate having a co-mulled mixture of an inorganic oxide; and at least one metal from Group VIB and at least one metal from Group VIII of the Periodic Table of Elements. An atomic ratio of the at least one metal from Group VIII to the at least one metal from Group VIB is in the range of from 0.0 to 0.3, and the catalyst has a pore structure such that 15 vol.% to 25 vol.% of the total pore volume is present in pores of a diameter greater than 1,000 A and a surface area of that is greater than 150 square meters (m2) / gram (g) and less than 240 m2 / g.

A process for separating one or more elements among the rare-earth elements from other metals in columns 4 to 14 of the Periodic Table of the Elements, in admixture in aqueous solution. The process uses a polyethyleneimine-CS2 adduct in the form of a salt and involves liquid / solid separation to obtain a solid predominantly containing the rare-earth elements.

ELECTROLYTIC HYDROGEN PURIFICATION The present invention relates to a method for purifying a hydrogen stream contaminated by water, oxygen, and optionally nitrogen. The method comprises contacting the hydrogen stream to be purified with a zeolitic adsorbent material comprising at least one metal selected from the metals of columns 3 to 12 of the Periodic Table of Elements, in its zero-valence metallic form, or in its oxidized or reduced form, and recovering the purified hydrogen stream. The invention also relates to the use of a zeolitic adsorbent material comprising at least one metal from columns 3 to 12 of the Periodic Table of Elements for hydrogen purification, as well as the use of hydrogen thus purified in industrial processes. Fig.: None

The embodiment of the present application provides a kind of phase change material and its manufacturing method, phase change memory and its manufacturing method, wherein the phase change material includes: first doped element, second doped element and phase change bulk material;Wherein, the first doped element and the second doped element can form chemical bond with the element in the phase change bulk material;The bond energy of the chemical bond formed is greater than the bond energy of the chemical bond between elements in the phase change bulk material;The first doped element and the second doped element belong to the elements of different groups in periodic table.The embodiment of the present application can improve the amorphous thermal stability and data retention of phase change material, so as to improve the electrical performance of phase change memory.

A method for preparing C2 to C5 paraffins including introducing a feed stream of hydrogen gas and a carbon-containing gas selected from carbon monoxide, carbon dioxide, and mixtures thereof into a reaction zone of a reactor. Converting the feed stream into a product stream that includes C2 to C5 paraffins in the reaction zone in the presence of a hybrid catalyst. The hybrid catalyst including a microporous catalyst component; and a metal oxide catalyst component. The metal oxide catalyst component including a metal component present on a metal oxide support material. The metal oxide support material includes at least one oxide of a metal selected from Group 4 of the IUPAC periodic table of elements. The product stream has a C3 / C2 carbon molar ratio greater than or equal to 4.0.

A semiconductor layer and a method and an apparatus for its manufacturing are disclosed. The semiconductor layer includes at least one compound of the formula M1aM21-aN, where M1 is selected from group 13 of the periodic table and M2 is selected from the group including scandium, yttrium, erbium, and europium and where the parameter a is selected between 0.01 and 0.99. The method includes supplying a first precursor into a reaction chamber, the first precursor including at least M2 and being supplied to the reaction chamber at a molar flow rate of at least 1·10−6 mol / min by providing the first precursor by means of a first bubbler from which it is evaporated and supplied to the reaction chamber, the temperature of the first bubbler being more than 90° C.

A high-toughness cermet and a method for producing the same are provided. [Solution] A high-toughness cermet is (1) primarily composed of titanium carbide, nitride, carbonitride, or any composition thereof, and (2) a carbide, nitride, carbonitride, or any composition thereof of at least one metal element selected from Groups IVB, VB, and VIB of the periodic table excluding titanium, and when (1) and (2) are different, the high-toughness cermet comprises a hard phase which is a nitride, a binder phase which is at least two transition metals, cobalt, nickel, and iron, and a metal reinforcer which is at least two of tantalum, niobium, manganese, ruthenium, rhenium, yttrium, and cerium, and at least one of tantalum, niobium, and manganese, and which is finely and uniformly dispersed throughout the microstructure of the cermet, and the hard phase contains dispersion-strengthened hard phase precipitates which are precipitated by reaction of some of the metal elements of the metal reinforcer with carbon.

The present disclosure relates to metallocene complexes of formula (I) wherein Mt is Zr or Hf; x is a sigma ligand; r < 1 >, each independently, equal to or different from each other, is a C1-C20 hydrocarbon group, optionally containing up to two heteroatoms of groups 14-16 of the periodic table, or forming together with the Si atom to which they are attached a C4-C8 ring; r1 and R2'are each independently, equal to or different from each other, a C1-C10-hydrocarbyl group, n are each independently an integer from 1 to 5, R3 and R4 are each independently H, a C1-C10-hydrocarbyl group, or an-OR31,-SR31 or-NR312 group, where R31 is a C1-C10-hydrocarbyl group, where at least one R3 of each phenyl group is not hydrogen and at least one R4 is not hydrogen, R51 'is a C1-C10-hydrocarbyl group, and R6' is C (R61) 3, where R61 is a linear or branched C1-C6-alkyl group.