125 results about "Thiophosphate" patented technology

Provided herein are compositions and methods for removing / recovering heavy metal ions in a phosphoric acid-containing stream by mixing a dialkyldithiophosphate compound having at least one alkyl chain length of C8 to C18, a dialkyldithiophosphate compound having at least one alkyl chain length of C8 to C18, and a dialkyldithiophosphate compound having at least one alkyl chain length of C18 to C18, reagents of at least one dialkyldithiophosphinate compound and at least one surfactant are added to a phosphoric acid solution or slurry to form heavy metal ion complexes, and the heavy metal ion complexes are separated from the solution or slurry.

The invention discloses a super-lubricity microcapsule, a composite material thereof and preparation methods of the super-lubricity microcapsule and the composite material. The super-smooth microcapsule comprises a core material and a wall material coating the core material, the core material comprises a component A and a component B; the component A comprises oxymolybdenum dialkyl dithiophosphate, molybdenum dialkyl dithiocarbamate, a molybdenum amine complex, molybdenum naphthenate, molybdenum alkyl salicylate, nitrogen-containing oxymolybdenum dialkyl dithiophosphate, molybdenum bisphenol, molybdenum thiophosphate, molybdenum hydroximic acid, molybdenum fatty acid, organic molybdate, molybdenum schiff base, tripolymolybdenum salt, ethyl thiotungstate and propyl thiotungstate; one or more of butyl thiotungstate and butyl thiotungstate; and the component B is ionic liquid or lubricating oil. The super-lubricity microcapsule composite material is prepared from a super-lubricity microcapsule and a base material with a core-shell structure, wherein the base material comprises a solid lubricant core material and a polymer shell material coating the core material. The preparation method disclosed by the invention is simple, feasible and high in operability, can realize macroscopic super-lubricity in an atmospheric environment, and has a very high application value.

Disclosed is a method for removing heavy metal ions from a phosphoric acid containing stream, the method may include: adding a diluted solution of a dialkyldithiophosphate compound having an alkyl chain length ranging from 8 to 12 carbon atoms to the phosphoric acid containing stream to form a heavy metal ion complex; and separating the heavy metal ion complexes from the phosphoric acid containing stream.

The invention discloses a flame-retardant B1-grade sheath material and application thereof in cables, and relates to the technical field of high polymer materials. Comprising the following raw materials in parts by weight: 40-50 parts of an ethylene-vinyl acetate copolymer, 10-20 parts of an ethylene-vinyl alcohol copolymer, 10-20 parts of a functional hyperbranched polymer, 30-40 parts of a metal organic framework modified composite flame retardant, 3-5 parts of a compatilizer, 0.8-1.2 parts of an antioxidant and 0.4-0.6 part of a lubricant. The functional hyperbranched polymer comprises structural units introduced by the following monomers: triphenyl isocyanate thiophosphate and N-[(4-methyl-1H-benzotriazole-1-yl) methyl] diethanol amine. The material is high in tensile strength, sufficient in thermal shock resistance and excellent in aging resistance and flame retardance.

The invention provides a sulfide solid-state battery high-nickel ternary positive electrode material and a modification method thereof, and relates to the technical field of lithium batteries. According to the invention, excessive lithium source is added during primary sintering of the high-nickel ternary material, so that more residual alkali exists on the surface of the product after primary sintering, uniformly coated lithium phosphate is formed on the surface in situ through the reaction of the residual alkali on the surface and phosphoric acid, and then the lithium thiophosphate coated high-nickel ternary positive electrode material is formed through the reaction of the lithium phosphate and a phosphorus-sulfur compound; the lithium thiophosphate material is uniformly coated on the surface of the high-nickel ternary positive electrode material through a simple and low-cost method, so that the stability and the ion transmission capability of the positive electrode material in a sulfide solid-state battery can be improved; the obtained lithium thiophosphate-coated high-nickel ternary positive electrode material can be used for sulfide solid-state batteries, and can be applied to the fields of power batteries and energy storage batteries.

The invention belongs to the technical field of lubricating oil, and particularly relates to environment-friendly biodegradable lubricating oil for a hydraulic retarder and a preparation method of the environment-friendly biodegradable lubricating oil. The environment-friendly biodegradable lubricating oil for the hydraulic retarder is prepared from the following components in parts by mass: 80 to 90 parts of base oil, 1 to 3 parts of a cleaning agent, 1 to 3 parts of a dispersing agent, 1 to 2 parts of a viscosity index improver, 0.5 to 2 parts of an anti-wear agent, 0.3 to 1.5 parts of an antioxidant, 0.1 to 0.5 part of an anti-foaming agent and 0.1 to 0.3 part of a pour point depressant, the antioxidant comprises hindered phenolic ester, aromatic amine and zinc thiophosphate in a mass ratio of (3-6): (2-5): 1. The environment-friendly biodegradable lubricating oil for the hydraulic retarder, provided by the invention, is biodegradable, and has excellent high-temperature resistance, oxidation resistance and low-temperature resistance and longer oil change period.

The present disclosure provides methods for preparing oligonucleotides. In certain embodiments, the present disclosure provides methods for preparing oligonucleotides using cyclic-phosphate or cyclic-thiophosphate nucleosides. In certain embodiments, the present disclosure provides methods for preparing oligonucleotides using nucleophiles selected from substituted thiol nucleophiles, substituted nitrogen-based nucleophiles, substituted phosphine nucleophiles, halides, pseudohalides, azides, and substituted lithium-based nucleophiles.

This application discloses a dry-process negative electrode sheet and its preparation method, as well as a solid-state battery. The dry-process negative electrode sheet includes a modified sulfide solid electrolyte and a silicon-containing material. The modified sulfide solid electrolyte comprises a sulfide solid electrolyte and a coating layer located on at least a portion of the surface of the sulfide solid electrolyte. The coating layer comprises oxides and / or thiophosphates. This suppresses interfacial side reactions between the silicon-containing material and the sulfide solid electrolyte, reduces the consumption of the sulfide solid electrolyte during cycling, and improves the cycle life of the solid-state battery.

The disclosed technology relates to a lubricant composition for automotive gears, axles and bearings, the lubricant composition containing an oil of lubricating viscosity and a metal thiophosphate compound, such as zinc dialkyldithiophosphate, as well as a method of obtaining extreme pressure performance in automotive gears, axles and bearings at lower sulfur content than is typical, by lubricating such automotive gears, axles and bearings with a lubricant composition containing a metal thiophosphate compound, such as zinc dialkyldithiophosphate.

This invention belongs to the field of mineral flotation technology, and discloses a flotation collector for non-ferrous metal sulfide ores, its preparation method, and its application. The collector uses O,O-dialkyldithiophosphate as a starting material, and reacts sequentially with a halocarboxylic acid ester, hydrazine hydrate, potassium hydroxide, and carbon disulfide in anhydrous ethanol in a three-step reaction to obtain the target product, O,O-dialkyldithiophosphate hydrazide-N′-dithiocarbamate potassium. Its molecular structure simultaneously contains three active groups: a dithiophosphate group, an hydrazide group, and a dithiocarbamate group. This invention achieves efficient process connection and smooth transition by optimizing the material ratio, temperature, and time of each reaction step, and has advantages such as mild reaction conditions, simple operation, few side reactions, high yield, and stable product. The prepared collector exhibits excellent collecting performance and good selectivity for non-ferrous metal sulfide ores such as chalcopyrite, and is suitable for widespread application in sulfide ore flotation processes.

To provide a method capable of manufacturing a non-aqueous electrolyte secondary battery, in which resistance increase at the time when it is located under a long period high temperature is suppressed.SOLUTION: A manufacturing method of a non-aqueous electrolyte secondary battery to be disclosed, contains: a step of preparing a battery assembly having a positive electrode, a negative electrode, and a non-aqueous electrolyte; a step of exciting initial charging to the battery assembly; and a step of exciting aging processing to the battery assembly to which the initial charging is executed. The positive electrode comprises: a positive electrode collector; and a positive electrode activation layer supported by the positive electrode collector. The positive electrode active material layer contains: a positive electrode active material; and a thiophospheric acid. A content ratio of the thiophospheric acid in the positive electrode active material layer is 1 mass% to 10 mass%. The initial charging is performed until a voltage becomes a dissolution start potential or more of the thiophospheric acid. The aging processing is performed in a state where the battery assembly is charged to the voltage that becomes the dissolution start potential of the thiophospheric acid.SELECTED DRAWING: Figure 1

The invention relates to the field of lubricating oil, in particular to a compressor oil composition which is prepared from the following components in parts by weight: 0.005 to 0.2 part of an anti-rust agent, 0.05 to 1 part of an extreme pressure anti-wear agent, 0.01 to 0.5 part of a friction reducing agent, 3 to 8 parts of synthetic ester, 0.01 to 1 part of an antioxidant, 0.001 to 0.1 part of an anti-foaming agent and 90 to 97 parts of base oil. The anti-friction agent is a trimethylolpropane-triacid ester derivative, the anti-rust agent is formed by mixing an alkenyl succinic acid half-ester derivative and a carboxyl imidazoline derivative, and the anti-wear reagent at extreme pressure is formed by mixing triphenyl phosphate and an alkyl thiophosphate derivative. The antioxidant is formed by mixing any two of alkyl diphenylamine, alkyl phenyl-alpha-naphthylamine and alkyl hindered phenol. The invention further relates to a preparation method of the compressor oil composition. The compressor oil composition provided by the invention has excellent washing resistance and rust resistance.

This invention proposes a composite foaming agent, a foam drilling fluid, its preparation method, and its application. The composite foaming agent of this invention comprises a first foaming agent of zinc dialkyl thiophosphate (ZDDP) and a second foaming agent of alkyl sulfate, and water. The foam drilling fluid of this invention contains 0.3wt% to 0.8wt% composite foaming agent, 0.2wt% to 0.5wt% foam stabilizer, 1.5wt% to 3.0wt% filtration loss reducer, and the balance being water. The foam drilling fluid has a foam half-life of up to 240 min, a temperature resistance of up to 150℃, and an API filtration loss of ≤12 mL, which is significantly higher than the performance of foam drilling fluids prepared with conventional foaming agents.

The invention discloses a surface protection layer of an ultrathin lithium strip as well as a preparation method and application of the surface protection layer, and belongs to the technical field of lithium batteries. The surface protection layer is formed after lithium metal reacts with a composite additive, and the composite additive is composed of solid powder and an organic solvent; wherein the solid powder is selected from one or more of dialkyl dithiophosphate or metal fluoride; the organic solvent is selected from any one of dimethyl sulfoxide, formamide, butyrolactam, acetone, 1, 4-dioxane, tetrahydrofuran, trimethyl phosphate, triethyl phosphate and propylene carbonate. The electrochemical performance of the produced lithium strip with the surface protection layer is remarkably improved, large-scale production can be achieved on the premise that existing equipment is not transformed and technological processes are not increased by means of the preparation method, the technical advantages in cost and technology are achieved, and therefore the lithium strip with the surface protection layer has a good application prospect. The surface protection layer of the ultrathin lithium strip and the preparation method of the surface protection layer have good application prospects.

The application relates to a method for producing polarized smerons by regulating copper indium thiophosphate through an electric field and application thereof, and the method comprises the following steps: preparing copper indium thiophosphate by a chemical vapor transport method, the molecular formula of the copper indium thiophosphate is Cu 1‑ x InP2S6, 0.28 > x >= 0.15, and the copper indium thiophosphate has ferroelectric domains; the copper indinium thiophosphate is prepared into a nanometer film through a mechanical stripping technology; the nanometer film is placed on the surface of a substrate through a dry transfer technology; a piezoelectric response force microscope technology is used, a voltage is applied on the surface of the nanometer film through a needle tip to form an electric field, the ferroelectric domains are converted into polarized smerons, the direction of the electric field is perpendicular to the nanometer film, and the nanometer film points to the needle tip, and the intensity is 20V / mu.m-40V / mu.m. The method can effectively regulate the conversion of the ferroelectric domains into the polarized smerons without affecting the crystal lattice structure and the morphology of the copper indium thiophosphate.

The invention relates to long-life turbine oil for an ammonia-resistant turboset and a preparation process of the long-life turbine oil. The complexing agent comprises an antioxidant, an anti-rust agent, an anti-wear reagent at extreme pressure, a metal deactivator, a demulsifier, an alkali-resistant stabilizer and base oil, the antioxidant comprises at least two of dinonyl diphenylamine, beta-(3, 5-di-tert-butyl-4-hydroxyphenyl) isooctyl propionate and dialkyl dithiocarbamate, the demulsifier comprises at least two of dialkyl dithiocarbamate, and the alkali-resistant stabilizer comprises at least two of dialkyl dithiocarbamate. The anti-wear reagent at extreme pressure comprises at least two of tricresyl phosphate, thiophosphate and amine salt derivatives thereof, and phosphate and amine salt derivatives thereof, and the alkali-resistant stabilizer comprises polycarboxylic polyether and aliphatic amines. The preparation method comprises the following steps: sequentially adding the components, heating, stirring, mixing at constant temperature, cooling and filtering.

The application belongs to the technical field of cutting oil, and specifically provides a kind of composite cutting oil and a preparation method thereof.A kind of composite cutting oil uses coconut oil, mineral oil, poly-alpha olefin as mixed base oil, adds specific amount of rust preventive, polyethylene glycol, nano molybdenum disulfide, antioxidant, dispersant and composite additive obtained by chemical combination of carboxylated multi-walled carbon nanotube surface and thiophosphate amine salt, etc., through the synergistic effect of multiple components, the prepared cutting oil has excellent lubricity, extreme pressure and wear resistance, and is suitable for severe extreme pressure cutting environment.

A process for removing impurity metal ions from an acidic metal sulfate containing stream by adding an effective amount of a reagent, comprising at least one dialkyldithiophosphate compound with the alkyl chain length of C1 to C8 to the acidic metal sulfate containing stream to form impurity metal ion complexes; and separating the impurity metal ion complexes from the acidic metal sulfate stream.

The invention discloses a zinc thiophosphate material with a yolk double-shell structure as well as a preparation method and application thereof, and relates to the technical field of sodium ion batteries. The preparation method comprises the following steps: firstly, preparing a ZIF-8 precursor template through a zinc source and solvothermal reaction of 2-methylimidazole, and then sequentially carrying out coating, template etching, synchronous carbonization and vulcanization treatment and phosphorus vulcanization treatment on the ZIF-8 precursor template to finally obtain the ZnPS3 / NC-C material with the yolk double-shell structure and excellent electrochemical performance. Compared with a traditional transition metal thiophosphate preparation process, the method is safer in process, and the yolk double-shell morphology of the metal phosphorus sulfide can be accurately regulated and controlled. Compared with pure zinc thiophosphate prepared by a traditional process, the prepared ZnPS3 / NC-C material with the yolk double-shell structure has the characteristics of hollow and porous characteristics, high specific surface area and structural stability, and shows relatively high first charge-discharge efficiency and excellent cycle stability when being used as a sodium-ion battery negative electrode material.

The invention discloses a graphene composite lubricating additive as well as a preparation method and application thereof, and belongs to the technical field of lubricating additive preparation. Modified graphene, nano molybdenum disulfide, a dispersing agent and thiophosphate amine salt are mixed and react to obtain the graphene composite lubricating additive. According to the invention, a triple synergistic stabilization mechanism of chemical anchoring, physical blocking and steric hindrance is utilized, so that the compatibility of graphene and base oil is improved, and the dispersion stability of the graphene composite lubricating additive is improved. Meanwhile, the prepared graphene composite lubricating additive can reduce the temperature of a friction pair, can form a friction reaction film containing C, Mo, P and O elements on the surface of the friction pair, reduces friction wear, shows good friction reduction and wear resistance, provides a theoretical basis and technical support for development of high-performance lubricating oil additives and application of high-temperature working conditions, and has wide application prospects. And the high-temperature lubrication problem of the marine diesel engine is solved, and remarkable engineering value and application prospects are achieved.

The invention belongs to the technical field of flotation reagents, and discloses a use method for activating minerals by utilizing ion waste liquid generated by preparing alkyl thiophosphate. The method comprises the following steps: removing or reducing impurities in the waste liquid to obtain purified waste liquid which can be used as an activating agent; and then, in the flotation operation, ore to be treated is crushed, ground and pulped, an inhibitor, the activating agent, a collecting agent and a foaming agent are sequentially added, and target concentrate is obtained after stirring, air inflation and flotation. The activation potential of the alkyl thiophosphate waste liquid on minerals is found for the first time, industrial wastewater is converted into the efficient flotation activating agent, and a traditional activating agent can be replaced and strengthened. According to the method, the pollution problem of the alkyl thiophosphate waste liquid is solved, the flotation reagent cost is reduced, meanwhile, the concentrate grade and the recovery rate of valuable minerals such as zinc ore, gold ore, copper ore and pyrite can be improved, the requirement for green mine construction is met, and a new path is provided for efficient separation of low-grade ore.

The invention discloses a high-efficiency anti-wear engine oil composition and a preparation method thereof, and relates to the technical field of engine oil. The engine oil is prepared from the following components in parts by weight: 75-85 parts of base oil, 5-8 parts of an engine oil composite additive, 4-6 parts of a dispersing agent, 0.8-1.5 parts of an antioxidant, 3-5 parts of a viscosity index improver, 0.1-0.5 part of an anti-foaming agent, 0.6-1 part of a pour point depressant, 1-3 parts of triphenyl isocyanate thiophosphate, 0.8-1.5 parts of hydroxyl fluorosilicone oil, 0.8-1.2 parts of (3, 6-diamino acridine-9-yl) boric acid, 1-3 parts of 4, 4 '-diphenyl-1, 3-pentanediol monoisobutyrate, 1-3 parts of an anti-foaming agent, 1-3 parts of a pour point depressant, 1-3 parts of triphenyl isocyanate thiophosphate, 0.1-0.5 part of an antioxidant, 1-3 parts of The invention relates to a high-performance liquid crystal display screen, which is prepared from the following components in parts by weight: 1 to 3 parts of 1, 3, 5-tris [3-(trimethoxysilyl) propyl]-1, 3, 5-triazine-2, 4, 6 (1H, 3H, 5H)-triketone, 1 to 3 parts of 2, 3, 5-triazine-2, 4, 6 (1H, 3H, 5H)-1, 3, 5-tris [3-(trimethoxysilyl) propyl]-1, 3 The engine oil composition is excellent in high-temperature oxidation resistance, good in cleaning and dispersing performance, high in wear resistance and sufficient in corrosion resistance.

A lubricating oil composition is disclosed. The composition comprises a major amount of an oil of lubricating viscosity; one or more ashless dispersants; at least one phosphorus-containing antiwear additive, wherein the at least one phosphorus-containing antiwear additive is a phosphorus-containing acid, a phosphate ester, a phosphite ester, a thiophosphate ester, or an amine salt thereof; at least one friction modifier, wherein the at least one friction modifier is a diol, an ethoxylated amine, a fatty acid ester, or an alcohol; a nitrogen-containing friction modifier having the structure wherein R1 and R2 are independently a branched C10-C25 hydrocarbyl group.

Provided is the use of two-dimensional nanomaterials in the inhibition of a coronavirus, and specifically disclosed is the use of the two-dimensional nanomaterials in the preparation of a medicament for treating or preventing diseases caused by a coronavirus or of a material for adhering to or inhibiting the coronavirus. The two-dimensional nanomaterial is selected from the group consisting of copper indium thiophosphate (CIPS) nanosheet, graphene oxide nanosheet, molybdenum disulfide nanosheet, black phosphorus nanosheet and mixtures thereof. The coronavirus is selected from one of HCoV-229E, HCoV-OC43, HCoV-NL63, HCoV-HKU1, SARS-CoV, SARS-CoV2 or MERS-CoV. The diseases caused by the coronavirus are diseases caused by coronavirus infection. The material has the advantages of being simple to prepare, having a high biological safety and an excellent effect.

Provided is a lubricating oil composition containing a base oil (A), a hindered amine compound (B), and an organic zinc dithiophosphate (C) having at least one primary alkyl group.

A battery recycling method removes impurities to ensure production of battery-grade materials. The method includes removing cadmium (Cd) from a pregnant leach solution before recovering valuable battery metals such as nickel (Ni), manganese (Mn), cobalt (Co), and lithium (Li). The removal of the Cd may be performed by precipitating an insoluble organo-complex by adding an organic compound material to the pregnant leach solution. The organic compound material may include one or more of organosulfur, organothiophosphate, benzothiazole compounds or derivatives, such as dithiophosphinate, dithiophosphate, and mercaptobenzothiazole, respectively.

The invention relates to continuous reaction equipment of N-n-butyl thiophosphoric triamide and a preparation method of the N-n-butyl thiophosphoric triamide. The invention discloses a continuous preparation method of N-n-butyl thiophosphoric triamide and reaction equipment, and belongs to the technical field of fine chemical engineering. The method comprises the following steps: uniformly mixing thiophosphoryl chloride serving as an initial raw material with a solvent in a batching kettle to prepare a thiophosphoryl chloride solution; the method comprises the following steps: respectively adding a thiophosphoryl chloride solution, n-butylamine and inert gas into a micro-channel reactor through a flow pump to carry out substitution reaction, and separating hydrogen chloride gas and an N-n-butyl dichlorothiophosphoramide solution through a gas-liquid separator; then adding the N-n-butyl dichlorophosphoramide thiophosphate solution and liquid ammonia into a tubular reactor through a flow pump to obtain an N-n-butyl thiophosphoric triamide solution; and finally, extracting, washing, concentrating an organic phase, crystallizing, separating and drying to obtain the high-purity N-n-butyl thiophosphoric triamide. The method is safe, efficient, simple and convenient to operate, good in reaction selectivity, high in yield, low in pollutant emission, low in production cost and suitable for industrial production.

The invention relates to the technical field of lubricating oil, in particular to an energy-saving type lubricating oil composition for industrial gears and a preparation method of the energy-saving type lubricating oil composition. The lubricating oil composition is prepared from an extreme pressure anti-wear agent, a friction modifier, an anti-corrosion and anti-rust agent, an antioxidant, a demulsifier, an anti-foaming agent, a viscosity index improver and base oil, the extreme pressure anti-wear agent is prepared from more than one of zinc butyl thiocarbamate boride, calcium pentadecyl borate, calcium pentadecyl thioborate, thiophosphoric triester and butyl triphenyl thiophosphate; the friction modifier comprises more than one of molybdenum alkyl thiophosphate, molybdenum amine ester, a molybdenum carbamate complex, nitrogen-containing boric acid ester, phosphate and benzotriazole fatty amine salt. The energy-saving lubricating oil composition for the industrial gear has outstanding oil film thickness, extremely low friction coefficient and excellent defoaming capability, can help an industrial gear system to save energy consumption during working, and effectively improves the efficiency of a transmission system.

The invention relates to the field of solid electrolyte, in particular to composite solid electrolyte as well as a preparation method and application thereof. The composite solid electrolyte is characterized by being prepared from the following components in percentage by mass: 30 to 40 percent of lithium thiophosphate, 5 to 15 percent of Ti < 3 > C < 2 > T < x > MXenes, 5 to 7 percent of polyoxyethylene, 3 to 5 percent of nano aluminum oxide, 5 percent of a carbonate plasticizer and 40 percent of N, N-dimethylformamide. The room-temperature ionic conductivity of the composite solid electrolyte provided by the invention reaches 1 * 10 <-1 > S / cm, which is superior to that of the traditional Li3PS4 electrolyte. A cycle life gt; 3000 times (the capacity retention rate gt; and no dendritic crystal is generated. And the air stability is obviously improved (no decomposition is generated after exposure to an environment with the humidity of 30% for 24 hours).

The present invention relates to a method for synthesising thiophosphate Li3PS4 particles, from a solvate complex formed between Li3PS4 and a first solvent S1, the method comprising: a) a step of dispersing the solvate complex of Li3PS4 and the first solvent S1 in a non-complexing second solvent S2, the second solvent S2 being miscible with the first solvent S1 and having: - a logarithm of the octanol-water partition coefficient logP greater than or equal to 1.1, - a molecular density greater than or equal to 0.869 g / cm3, and - a dipole moment less than or equal to 2.32 D, so as to cause thiophosphate Li3PS4 particles to precipitate; b) a step of separating the thiophosphate Li3PS4 particles precipitated in step a); and c) a step of drying the thiophosphate Li3PS4 particles separated in step b).