59 results about "Phosphorus atom" patented technology

The invention discloses hydrolysis-resistant liquid phosphite ester and a preparation method and application thereof.The hydrolysis-resistant liquid phosphite ester is prepared by the steps that 2, 2, 4-trimethyl-1, 3-pentanediol and phosphorus trichloride or phosphite triester serve as raw materials, a cyclization reaction is conducted firstly, and then the hydrolysis-resistant liquid phosphite ester is obtained; and then carrying out nucleophilic substitution on Cl or aryl and alkyl on the cyclized intermediate by using higher saturated monohydric alcohol with more than C8, wherein the molecular structure is as shown in formula I in the specification. The liquid phosphite ester is novel liquid phosphite ester, the main body of the liquid phosphite ester is of a six-membered ring structure, the basic structure of the phosphite ester is reserved to the maximum extent, and the anti-oxidation effect of the phosphite ester is guaranteed; hydrophobic aliphatic chain structures on phosphorus atoms and branched chains of the phosphorus atoms prevent water molecules from approaching P-O bonds, so that the phosphorus atoms and the branched chains are prevented from being attacked by the water molecules, and the hydrolysis resistance is improved under the conditions that any additional amine hydrolysis-resistant agent is not used and any steric hindrance group is not introduced; good practical value, economic value and market prospect are realized.

The invention provides a TBC battery, a preparation method thereof and a photovoltaic module, and relates to the technical field of solar cells, and the front surface structure of the TBC battery comprises an N + front surface field layer, a front phosphorosilicate glass layer, a passive film layer and an antireflection film layer which are sequentially stacked on the front surface of a silicon substrate; wherein the N + front surface field layer is a high-concentration N-type region formed by doping phosphorus atoms on the front surface through phosphorus diffusion. An N + front surface field (FSF) is added on the front surface of the cell, phosphorus atoms are doped on the front surface through phosphorus diffusion to form an N + region, an N-N + high-low junction is formed with an N-type silicon substrate, minority carriers are repelled, and the field passivation effect is improved.

The invention discloses a preparation method of FePS3, which comprises the following steps: mechanically mixing pyrite powder, sulfur-containing small molecules and elemental phosphorus, calcining the fully mixed powder in two temperature stages under a protective atmosphere, and cooling to obtain FePS3 nano-powder; wherein in the first temperature stage, the temperature is 200-300 DEG C, and the heat preservation time is 120-240 minutes, and in the second temperature stage, the temperature is 400-600 DEG C, and the heat preservation time is 120-180 minutes; the sulfur-containing small molecules are thiourea, thioacetamide or a mixture of the thiourea and the thioacetamide; the molar ratio of sulfur atoms to phosphorus atoms in FeS2 molecules and sulfur-containing small molecules in the pyrite powder is (1: 3: 5)-(1: 1: 5). According to the method, pyrite is used as an iron source and a sulfur source, sulfur-containing small molecules are used as a second sulfur source, and the FePS3 nano-powder is directly obtained through solid-phase reaction with the simple substance phosphorus without additional purification treatment. The method is low in solid-phase reaction temperature and simple in process, does not need harsh reaction conditions, and is easy for large-scale production.

A two-dimensional particle that includes: one or plural layers that comprise a layer body represented by: MmXn, wherein Mis at least one metal of Group 3, 4, 5, 6, or 7; X is a carbon atom, a nitrogen atom, or a combination thereof; n is 1 to 4; and m is more than n but not more than 5, a modifier or terminal T exists on a surface of the layer body, wherein T is at least one selected from a hydroxyl group, a fluorine atom, a chlorine atom, an iodine atom, an oxygen atom, a chlorine atom, a phosphorus atom, and a hydrogen atom; and a hydrocarbon compound exists on the one or plural layers.

To provide a molded article in which an adherend and a resin layer are relatively hardly peeled in the presence of moisture, and to provide a package using the molded article.SOLUTION: The molded article according to the present invention includes an adherend and a layer A laminated on the adherend, wherein the layer A contains a polyolefin-based resin and a phosphorus-based antioxidant, the content of the phosphorus-based antioxidant is 0.01 parts by mass or more and 1 part by mass or less with respect to 100 parts by mass of the polyolefin-based resin, and the number of atoms (excluding hydrogen atoms) present at less than 4.6 Å from a phosphorus atom in the phosphorus-based antioxidant is 16 or more.SELECTED DRAWING: None

The present invention relates to a composition comprising a fluorinated polymer P1 and a polymer additive P2 comprising at least one functional group containing a phosphorus atom.

A solid electrolyte containing a molecular crystal and a fluorine-containing polymer, the molecular crystal including an organic molecule having at least one kind of atom selected from a sulfur atom, an oxygen atom, a nitrogen atom, and a phosphorus atom, and an alkali metal salt, the solid electrolyte having a diffraction spectrum derived from the molecular crystal in X-ray diffraction.

An active material particle according to an aspect of the present invention includes an active material base material and a covering layer covering at least a part of a surface of the active material base material, in which the covering layer contains niobium atoms and phosphorus atoms, and a content of the phosphorus atoms with respect to a total content of the niobium atoms and the phosphorus atoms in the covering layer is more than 0 mol % and 80 mol % or less.

A resin composition is provided and contains a maleimide compound, a polyphenylene ether compound having an unsaturated double bond in the molecule, a phosphorus-containing compound having a group represented by the following Formula (1) and a group containing a phosphorus atom in the molecule, and a curing agent.In Formula (1), R1 represents a hydrogen atom or an alkyl group.

The invention relates to a solvent extraction method for improving a separation factor of trivalent americium and curium, which comprises the following steps: preparing an extraction organic phase solution containing an extraction agent and a synergistic extraction agent, the extraction agent being dithiophosphonic acid with long chain hydrocarbon substituents on two substituted benzene rings on phosphorus atoms; then co-extracting Am (III) / Cm (III) by using an extraction organic phase solution; carrying out selective reverse extraction on Cm (III) by adopting a water-phase solution containing a water-soluble complexing reverse extraction agent; and finally, carrying out primary reverse extraction on the residual Am (III) in the organic phase by using HNO3. According to the method provided by the invention, the separation factor of the trivalent americium and curium is increased from about 4 to more than 10, so that the separation factor of the americium and curium is greatly increased. Compared with the prior art, the extraction agent adopted in the method is higher in stability, the separation factor of americium and curium is high, and separation of trivalent actinide lanthanum and americium and curium can be achieved in one extraction and separation process in a synergistic extraction and complexing reverse extraction mode.

Electrolyte additive comprising a first additive, a second additive and a third additive, wherein the first additive comprises a compound represented by formula 1: where: R1 is selected from a C atom or an O atom; R2 is selected from or R3 is selected from methylene, or R4 is selected from or and at least one of R2, R3 and R4 contains a sulfur atom; wherein the second additive comprises at least one of a compound represented by formula 2 and one of a compound represented by formula 3: formula 2, formula 3, where X comprises a phosphorus atom or a phosphorus atom; and where the third additive comprises a compound represented by formula 4: RN=C=O Formula 4, where R comprises at least one of alkyl, O=C=N-substituted alkyl, cycloalkyl, O=C=N-substituted cycloalkyl, aryl or O=C=N-substituted aryl.

The invention relates to a process for L-Iditol by hydrogenating L-Sorbose. Further, the invention also relates to a use of a transition metal complex as hydrogenation catalyst for L-Sorbose. The invention relates to a process for the preparation of L-Iditol comprising at least one reaction step, in which a composition comprising L-Sorbose and hydrogen is reacted in the presence of a transition metal catalyst complex in a homogeneous solution, wherein the transition metal catalyst complex comprises at least one chiral ligand containing at least one phosphorus atom, which is capable of coordinating to the transition metal, and wherein the transition metal is selected from metals of groups 8, 9 and 10 of the periodic table of the elements according to IUPAC. The invention further relates to a use of a transition metal complex as defined above and below as hydrogenation catalyst for compositions comprising L-Iditol or mixtures thereof.

This positive electrode mixture contains a carbon material, a sulfur-based active material, and an ion conductor containing lithium atoms, phosphorus atoms and halogen atoms, and has diffraction peaks at 2θ = 29.3 ± 0.5° and 2θ = 34.0 ± 0.5° according to X-ray powder diffraction using CuKα radiation.

Provided is a curable resin material which contains: a resin (A) containing an indene ring, a vinylbenzyl group, and an arylalkyl group other than the vinylbenzyl group; and a phosphorus atom-containing compound (B).

To provide an alkylamine composition and a method for storing the alkylamine composition.SOLUTION: The alkylamine composition contains 99.5% by volume or more of an alkylamine represented by the following formula (1) and 10 ppm by mass or more and 100 ppm by mass or less of water. (In the formula, N represents a nitrogen atom; R1 represents a C1 to 10 hydrocarbon group which may have a ring, a hetero atom, or a halogen atom; R2 and R3 each independently represent H or a C1 to 10 hydrocarbon group which may have a ring, a hetero atom, or a halogen atom; However, when the number of carbon atoms is 3 or more, the hydrocarbon group may have a branched-chain structure or a cyclic structure. The hetero atom of the hydrocarbon group is a nitrogen atom, an oxygen atom, a sulfur atom, or a phosphorus atom. In addition, R1 has one or more hydrogen atoms at an α - position carbon atom. ) SELECTED DRAWING: None

The present invention relates to a resin composition containing (A) one or more selected from the group consisting of maleimide resins having one or more N-substituted maleimide groups, and derivatives of the maleimide resins and (B) a phosphate ester compound containing two or more phosphorus atoms, in which the group connecting at least two phosphorus atoms contains two or more aromatic rings, a prepreg, a laminated plate, a resin film, a printed wiring board and a semiconductor package, using the resin composition.

The present invention provides: a biodegradable film that contains a polylactic acid and a phosphite ester compound, and with which device contamination during film formation is suppressed; and a laminate in which said biodegradable film is used. The present invention also provides a biodegradable film that contains a polylactic acid, and with which device contamination is suppressed while having at least a certain level of biodegradability.　The present invention provides a biodegradable film characterized by containing (A) a polylactic acid and (B) a phosphite ester compound having two or more phosphorus atoms and one or more aromatic rings in one molecule. The present invention also provides a biodegradable film containing (A) a polylactic acid, (B) an aromatic phosphite ester compound having two or more phosphorus atoms in one molecule, and (C) an aliphatic phosphite ester compound having two or more phosphorus atoms in one molecule.

A bidentate phosphite ligand having the following structure: Formula (I) wherein each R1 group is an alkyl group or an aryl group and the two R1 groups bonded to the same phosphorus atom may be interconnected, wherein, when each R1 group is an alkyl group, the two alkyl groups bonded to the same phosphorous atom are interconnected; and wherein each R2 group is an alkyl group.

The invention discloses a polythiourea catalyst for polyester synthesis and a preparation method and application thereof, and belongs to the technical field of catalyst preparation. The problems that an existing thiourea catalyst is high in dosage and poor in thermal stability, and synthesized polylactic acid is low in molecular weight and wide in distribution are solved. The polythiourea catalyst takes cyclophosphazene as a parent nucleus, and a thiourea group is connected with a phosphorus atom on the parent nucleus through a phenoxy bridging arm. The catalyst provided by the invention has a plurality of thiourea active sites, the catalyst and organic alkali form a two-component system, the dosage of the catalyst is reduced to 0.001-0.2 mol% of that of L-lactide by utilizing a multi-site synergistic activation mechanism, and polylactic acid with the number-average molecular weight of 10-210 kDa and molecular weight distribution of 1.02-1.20 can be obtained in a short time in room-temperature solution or high-temperature bulk polymerization. The polythiourea catalyst is high in thermal stability and free of metal residues, and the problems of high-temperature inactivation and high load of a traditional catalyst are solved.

This slurry contains abrasive grains and a compound A including at least one selected from the group consisting of nitrogen atoms and phosphorus atoms, wherein the octanol-water partition coefficient AlogP of the compound A is 2.00 or more, and the pH is 5.0 or more. This polishing method comprises a step for polishing a member to be polished using the slurry.

This positive electrode mixture includes a carbon material, a sulfur-based active material, and an ion conductor containing lithium atoms, phosphorus atoms and sulfur atoms, wherein the molar ratio (Li / P) of the lithium atoms to the phosphorus atoms in the ion conductor is 0.20 to 3.30, and the molar ratio (S / P) of the sulfur atoms to the phosphorus atoms is greater than 2.50 but less than 4.00.

The invention belongs to the field of small organic molecules, and discloses a method for preparing silanol through catalysis of a phosphorus-doped cobalt monatomic catalyst and application. According to the method, water serves as an oxidizing agent, hydrogen silane is catalyzed to be selectively oxidized into silanol through a phosphorus-doped cobalt monatomic catalyst, phosphorus atoms are introduced into a structure in situ through the phosphorus-doped cobalt monatomic catalyst, the coordination symmetry of cobalt atoms can be reduced, electron distribution of a catalytic center can be improved, water molecules can be activated through the phosphorus atoms, and silanol is obtained. According to the present invention, the hydrogen silane can be selectively oxidized by using the low-loading catalyst, the catalyst is suitable for a wide substrate range, and the heterogeneous characteristic of the catalyst enables the catalyst to have excellent cycle amplification performance.

Provided is a polymerizable composition comprising a norbornene-based monomer, a metathesis polymerization catalyst, and a coordinating compound containing a phosphorus atom, wherein the metathesis polymerization catalyst is a ruthenium-carbene complex represented by General Formula (1) or (2) below, and the coordinating compound containing a phosphorus atom is contained in an amount such that 170 to 2000 mol of phosphorus atoms are contained relative to 1 mol of ruthenium atoms in the meta thesis polymerization catalyst.

A first product ion mass spectrum of a nucleic acid analyzed using a CID method is received. Also, a second product ion mass spectrum of the nucleic acid analyzed using a radical-induced dissociation method is received. Peak m / z values of the first spectrum, peak m / z values of the second spectrum, and an m / z value of a precursor ion of the nucleic acid are converted to a single charge. A peak m / z value of the first spectrum is determined that differs from a peak m / z value of the second spectrum by a mass value of a structure within the nucleic acid the radical-induced dissociation method is known to not be able to dissociate and the CID method is known to be able to dissociate. The structure includes a phosphorus atom and an optionally substituted 5-membered ring containing an oxygen.

The invention discloses a high-conductivity N-type diamond epitaxially grown based on a boron-phosphorus-nitrogen co-doping technology and a preparation method of the high-conductivity N-type diamond, and relates to a growth method of a novel N-type diamond. According to the method, ammonia gas, borane and phosphorane are used as doping gas sources, the diamond is prepared on the diamond substrate by adopting a microwave plasma chemical vapor deposition (MPCVD) method, the activation energy of phosphorus atoms is reduced by utilizing a boron-phosphorus-nitrogen co-doping technology, and epitaxial growth of the N-type diamond is realized. By means of the boron-phosphorus-nitrogen co-doping technology, the phosphorus atom activation energy is reduced, the carrier concentration of the N-type diamond is improved, meanwhile, the growth cost of the N-type diamond is reduced, and an efficient and reliable novel method is provided for preparing the N-type diamond.

This treatment agent for fiber recycling comprises an ionic liquid formed from a cation having nitrogen atoms or phosphorus atoms and an anion.

To provide a compound capable of preparing a reactive composition excellent in reactivity of a base-reactive compound when heated.SOLUTION: The compound is represented by general formula (1), wherein X is O or S, R1, R2 and R3 are each a monovalent organic group, at least one of R1, R2 and R3 has an aminopyridine skeleton, and the N atom in the amino group is bonded to the P atom in general formula (1). [Chemical Formula 1] SELECTED DRAWING: None

The invention relates to a process for catalyzing the production of methanol from hydrogen and carbon monoxide. The reaction is carried out in the presence of at least one nucleophilic promoter, wherein a complex comprising a transition metal (M) and at least one ligand is used. The ligands are designed as chelating agents that bind intimately to three or more sites having two donor atoms linked to at least one Lewis base center (LB) via a ligand backbone. One of the donor atoms is a phosphorus atom, which is a chiral center, having two different substituents R'and R '', and / or both donor atoms are phosphorus atoms, where each donor atom has two identical substituents R 'or R', where the substituents R 'and R' are different from each other.

A molecular crystal is produced by a method comprising: a step for obtaining a mixture by mixing an organic molecule having at least one type of atom selected from the group consisting of a sulfur atom, an oxygen atom, a nitrogen atom and a phosphorus atom with an alkali metal salt while applying mechanical energy; and a step for heating the mixture.