42 results about "Monofluorophosphate" patented technology

An object is to provide a nonaqueous electrolyte and a nonaqueous-electrolyte secondary battery which have excellent discharge load characteristics and are excellent in high-temperature storability, cycle characteristics, high capacity, continuous-charge characteristics, storability, gas evolution inhibition during continuous charge, high-current-density charge / discharge characteristics, discharge load characteristics, etc. The object has been accomplished with a nonaqueous electrolyte which comprises: a monofluorophosphate and / or a difluorophosphate; and further a compound having a specific chemical structure or specific properties.

A subject is to provide a nonaqueous electrolyte excellent in cycle performances such as capacity retention after cycling, output after cycling, discharge capacity after cycling, and cycle discharge capacity ratio, output characteristics, high-temperature storability, low-temperature discharge characteristics, heavy-current discharge characteristics, high-temperature storability, safety, high capacity, high output, high-current-density cycle performances, compatibility of these performances, etc. Another subject is to provide a nonaqueous-electrolyte secondary battery employing the nonaqueous electrolyte. The subjects have been accomplished with a nonaqueous electrolyte which contains a monofluorophosphate and / or a difluorophosphate and further contains a compound having a specific chemical structure or specific properties.

This invention provides a nonaqueous electrolyte which is excellent in discharge load properties, as well as in high-temperature storage stability, cycling characteristics, high capacitance, continuous charge properties, storage stability, gas evolution suppression in continuous charging, charge / discharge properties at a high current density, discharge load properties and the like, and a rechargeable battery with a nonaqueous electrolyte. The nonaqueous electrolyte contains a monofluorophosphate and / or a difluorophosphate and further contains a compound having a specific chemical structure orspecific properties.

A nonaqueous electrolytic solution that can provide a battery that is low in gas generation, has a large capacity, and is excellent in storage characteristics and cycle characteristics contains an electrolyte and a nonaqueous solvent dissolving the electrolyte and further contains 0.001 vol % or more and less than 1 vol % of a compound represented by Formula (1) in the nonaqueous solvent. Alternatively, the nonaqueous electrolytic solution contains 0.001 vol % or more and less than 5 vol % of a compound represented by Formula (1) in the nonaqueous solvent and further contains at least one compound selected from the group consisting of cyclic carbonate compounds having carbon-carbon unsaturated bonds, cyclic carbonate compounds having fluorine atoms, monofluorophosphates, and difluorophosphates.In Formula (1), R1 to R3 each independently represent an alkyl group of 1 to 12 carbon atoms, which may be substituted by a halogen atom; and n represents an integer of 0 to 6.

A subject is to provide a nonaqueous electrolyte excellent in cycle performances such as capacity retention after cycling, output after cycling, discharge capacity after cycling, and cycle discharge capacity ratio, output characteristics, high-temperature storability, low-temperature discharge characteristics, heavy-current discharge characteristics, high-temperature storability, safety, high capacity, high output, high-current-density cycle performances, compatibility of these performances, etc. Another subject is to provide a nonaqueous-electrolyte secondary battery employing the nonaqueouselectrolyte. The subjects have been accomplished with a nonaqueous electrolyte which contains a monofluorophosphate and / or a difluorophosphate and further contains a compound having a specific chemical structure or specific properties.

The present invention relates to a single phase oral care composition comprising:a. a stannous saltb. a potassium saltc. a chelantd. monofluorophosphate (MFP).The composition of the invention has been found to allow prolonged contact between stannous ion and nitrate ion in a single dentifrice without toxic effects or insoluble products. The invention further provides for the maintenance of an efficacious fluoride ion level.

A nonaqueous electrolyte containing a monofluorophosphate and / or a difluorophosphate and a compound having a specific chemical structure or specific properties. The nonaqueous electrolyte can contain at least one of a saturated chain hydrocarbon, a saturated cyclic hydrocarbon, an aromatic compound having a halogen atom and an ether having a fluorine atom.

A nonaqueous electrolytic solution that can provide a battery that is low in gas generation, has a large capacity, and is excellent in storage characteristics and cycle characteristics. The solution contains an electrolyte, a nonaqueous solvent dissolving the electrolyte, 0.001 vol % to 5 vol % of a compound represented by Formula (1), and further contains at least one compound selected from the group consisting of cyclic carbonate compounds having carbon-carbon unsaturated bonds, cyclic carbonate compounds having fluorine atoms, monofluorophosphates, and difluorophosphates.In Formula (1), R1 to R3 each independently represent an alkyl group having 1 to 12 carbon atoms, optionally substituted by a halogen atom; and n is an integer of 0 to 6.

A nonaqueous electrolyte secondary battery includes a positive electrode having a positive-electrode active material, a negative electrode having a negative-electrode active material, and a nonaqueous electrolytic solution having a nonaqueous solvent dissolving a solute. The negative-electrode active material includes powdered silicon and / or a silicon alloy, the nonaqueous electrolytic solution includes additives composed of at least one fluorinated lithium phosphate selected from the group consisting of lithium monofluorophosphate, lithium difluorophosphate, and lithium trifluorophosphate and a diisocyanate compound, and the nonaqueous solvent includes a chain carbonate compound.

The invention discloses a composite reinforced concrete corrosion-inhibiting agent and a preparation method thereof. The corrosion-inhibiting agent is prepared from the following raw materials in percentage by mass: 3-12% of potassium monofluorophosphate, 15-35% of acid, 3-9% of zinc gluconate, 20-40% of low-molecular-weight alcohol amine and the balance of water. The preparation method comprises the following steps of: firstly mixing acid, zinc gluconate, low-molecular-weight alcohol amine and water; then stirring until the solution is clear; cooling to room temperature, and then adding potassium monofluorophosphate; and stirring until potassium monofluorophosphate is fully dissolved to obtain the composite reinforced concrete corrosion-inhibiting agent. The preparation method of the corrosion-inhibiting agent has easily available raw materials and is simple; by using the corrosion-inhibiting agent to prepare sea sand reinforced concrete, the obtained reinforced concrete has good corrosion resistance and certain enhancing effect on delayed coagulation; and aiming at the circumstances of the gradual increase of sea sand use amount and severe corrosion of concrete reinforcement bars, the composite corrosion-inhibiting agent has excellent application prospects.

A subject is to provide a nonaqueous electrolyte excellent in cycle performances such as capacity retention after cycling, output after cycling, discharge capacity after cycling, and cycle discharge capacity ratio, output characteristics, high-temperature storability, low-temperature discharge characteristics, heavy-current discharge characteristics, high-temperature storability, safety, high capacity, high output, high-current-density cycle performances, compatibility of these performances, etc. Another subject is to provide a nonaqueous-electrolyte secondary battery employing the nonaqueous electrolyte. The subjects have been accomplished with a nonaqueous electrolyte which contains a monofluorophosphate and / or a difluorophosphate and further contains a compound having a specific chemical structure or specific properties. Besides, in the invention, the compound of nonaqueous-electrolyte liquid having the special chemical structure or special characteristics can be used to solve the above mentioned subjects.

The invention relates to an anti-corrosive and rust-resisting concrete compensation agent and a preparation method thereof. The compensation agent comprises the following components in parts by weight: 10-20 parts of mineral powder, 10-20 parts of coal ash, 3-5 parts of gypsum, 3-5 parts of aluminite, 1-2 parts of monofluorophosphate, 1-2 parts of cement clinker and 3-5 parts of limestone. The method comprises the steps of (1) preparing raw materials; (2) smashing massive gypsum, aluminite, cement clinker and limestone to be 20-40mm, homogenizing, and then standing in a store shed for one month; (3) conveying the massive gypsum, aluminite, cement clinker and limestone into a ball mill according to mass ratio, and smashing; and (4) mixing and stirring the mixed powder subjected to ball milling and the mineral powder, the coal ash as well as monofluorophosphate powder to obtain a finished product. By using the product provided by the invention, the strength of different periods of concrete in seawater or polluted water environment can be improved, the anti-permeability capability is improved, and meanwhile, the service life of a metal component is prolonged.

The invention relates to mulberry leaf and mulberry fruit antibacterial toothpaste. The mulberry leaf and mulberry fruit antibacterial toothpaste is characterized by comprising the following materials (in percentage by weight): 12-20% calcium carbonate, 25.0-35.0% of sorbitol, 1.0-3.0% of sldium lauryl sulfate, 4.0-6.0% of a mulberry leaf and mulberry fruit extract, 1.0-3.0% of polyethylene glycol, 0.1-0.5% of trisodium phosphate, 0.1-0.3% of sodium dihydrogen phosphate, 0.002-0.005% of saccharin, 0.2-0.6% of tetrasodium pyrophosphate, 0.1-0.3% of monofluorophosphate, 1.0-2.0% of hydroxyethyl cellulose, 0.1-0.5% of a cavity refreshing agent, 2.0-3.0% of sodium dodecyl sulfate, and the balance being deionized water. The mulberry leaf and mulberry fruit toothpaste disclosed by the invention has multiple efficacies of resisting bacteria, diminishing inflammation, clearing heat, stopping bleeding, reducing swelling, stopping pains and the like, and can be used for comprehensively nursing oral cavities and protecting the health of gums and the oral cavities.

The objective of the present invention is to provide: a nonaqueous electrolyte solution which is capable of exhibiting high output characteristics at low temperatures even when a battery has been usedto a certain extent, while exhibiting good high-rate characteristics at normal temperature, and which is also capable of similarly exhibiting a sufficient performance at low temperatures even after storage at high temperatures; and a nonaqueous electrolyte battery. A nonaqueous electrolyte solution for nonaqueous electrolyte batteries according to the present invention contains a nonaqueous solvent, an electrolyte which is dissolved in the nonaqueous solvent, (I) a difluoro ionic complex (1) represented by general formula (1), and (II) at least one compound selected from the group consistingof difluorophosphate salts, monofluorophosphate salts, salts having a specific imide anion, and specific silane compounds; and 95% by mole or more of the difluoro ionic complex (1) is a difluoro ioniccomplex (1-Cis) having a cis-type steric conformation represented by general formula (1-Cis).

An object is to provide a nonaqueous electrolyte and a nonaqueous-electrolyte secondary battery which have excellent discharge load characteristics and are excellent in high-temperature storability, cycle characteristics, high capacity, continuous-charge characteristics, storability, gas evolution inhibition during continuous charge, high-current-density charge / discharge characteristics, discharge load characteristics, etc. The object has been accomplished with a nonaqueous electrolyte which comprises: a monofluorophosphate and / or a difluorophosphate; and further a compound having a specific chemical structure or specific properties.

A nonaqueous electrolytic solution contains an additive selected from monofluorophosphate salts or difluorophosphate salts, and a Group 5 element. In the nonaqueous electrolytic solution, the Group 5 element may have a content in a range of 1×10−6 to 3×10−3 mol / L. The Group 5 element may be vanadium.

The invention provides a preparation method of a reinforced concrete corrosion inhibitor. The preparation method comprises the following steps: mixing 2,4,6-tri(4-carboxyl phenyl)-1,3,5-triazine, 1-(chloromethyl) adamantane and diethyl ether, stirring to react, distilling, conducting suction filtration, washing and drying in vacuum to obtain an ionic liquid, dissolving in deionized water, adding magnesium hydrate, filtering after stirring, distilling at the reduced pressure, and conducting suction filtration to obtain a magnesium salt compound, soaking the magnesium salt compound in an aqueoussolution of sodium monofluorophosphate, stirring, and drying in vacuum to obtain the reinforced concrete corrosion inhibitor. The magnesium ion in the prepared corrosion inhibitor improves the chloride penetration resistance of the concrete; the triazine substance corrosion inhibitor is adsorbed on the surface of a rebar to play a role in inhibiting the corrosion of the rebar; the carboxylate radical and the chloride ion form an adsorption film on the surface of the rebar so as to protect the rebar; and the monofluorophosphate forms a unimolecule protection film on the surface of the rebar, so that the corrosion speed of the rebar is slowed down. In addition, the used materials are nontoxic and harmless, are green, protect the environment, and are environmentally friendly.

The invention discloses a positive electrode electrolyte of a high-concentration all-vanadium redox flow battery. The electrolyte comprises vanadium ions, sulfuric acid and additives, and the additives comprise one or more of boric acid, borate, phytic acid, phytate, tributyl phosphate, perfluorobutyl sulfonic acid, perfluorobutyl sulfonate, hexafluorophosphoric acid, hexafluorophosphate, monofluorophosphoric acid, monofluorophosphate, difluorophosphoric acid, difluorophosphate and pyridinium propanesulfonate. The concentration of V(V) and / or V(IV) in the positive electrode electrolyte of theall-vanadium redox flow battery is within a relatively wide concentration range, the stability of the positive electrode electrolyte is obviously improved, and the all-vanadium redox flow battery canadopt an electrolyte with higher V(V) and / or V(IV) concentration and is suitable for a higher temperature range, so that the energy density and the performance of the all-vanadium redox flow battery are obviously improved.

The invention discloses an eldecalcitol soft capsule, and specifically relates to the technical field of pharmaceutical preparations. The eldecalcitol soft capsule includes a content and a capsule shell; the content includes the following raw materials: eldecalcitol, glucosamine, threonine, monofluorophosphate, and refined camellia oil; the capsule shell includes the following raw materials: gelatin, glycerin, microcrystalline cellulose, malic acid and lemon yellow; and a preparation method of the soft capsule includes the following preparation steps: capsule shell preparation, content preparation, pelleting, two-stage vacuum drying, inspection and packaging. The eldecalcitol soft capsule prepared by the raw material formula of the invention can reach a maximize drug utilization rate, enhance the synthetic effect on cartilage matrix protein, promote generation of collagen, reduce calcium loss and have a better treatment effect on osteoporosis; and a special stirring manner is adopted in the preparation process of the capsule shell and the content, so that the multiple variable-speed stirring mixing of the raw materials can be realized, and the content deviation of effective substances in each soft capsule is smaller to ensure the drug effect.

The present invention relates to a single phase oral care composition comprising: a. a stannous salt b. a potassium salt c. a chelant d. monofluorophosphate (MFP). The composition of the invention has been found to allow prolonged contact between stannous ion and nitrate ion in a single dentifrice without toxic effects or insoluble products. The invention further provides for the maintenance of an efficacious fluoride ion level.

The invention discloses a preparation method of lithium monofluorophosphate. The preparation method comprises the following steps: S1, preparation of monofluorophosphoric acid: reacting phosphorus pentoxide with hydrofluoric acid in a closed reactor made of a fluorine-resistant material to obtain monofluorophosphoric acid; S2, separating and purifying the product obtained in the step S1 through vacuum distillation; and S3, searching a lithium source, reacting the lithium source with the product obtained in the step S2, after the reaction, evaporating, concentrating and crystallizing the solution to obtain crystals, namely lithium monofluorophosphate, and drying the crystals in vacuum to obtain a lithium monofluorophosphate product; wherein the mass fraction of hydrofluoric acid is 65%-75%;the fluorine-resistant material of the closed reactor can be selected from one of titanium-nickel alloy, hastelloy, monel alloy and Inconel alloy; wherein the closed reactor made of the fluorine-resistant material in the step S1 is provided with a solid and liquid feeding device; the preparation method is simple in process and few in by-products, the reactions are easy to trigger, and the productpurity is high.

The present invention addresses the problem of providing: a nonaqueous electrolytic solution and a nonaqueous electrolytic secondary battery using the nonaqueous electrolytic solution. The non-aqueouselectrolytic solution has excellent cycle characteristics such as post-cycle capacity retention ratio, post-cycle output, post-cycle discharge capacity, cycle discharge capacity ratio, and the like,and cycle characteristics such as output characteristics, high-temperature storage characteristics, low-temperature discharge characteristics, high-current discharge characteristics, high-temperaturestorage characteristics, safety, high capacity, high output, and high current density. The above-described problems are solved by using the nonaqueous electrolytic solution that contains a monofluorophosphate and / or a difluorophosphate and that contains a compound having a specific chemical structure or specific physical properties.

The invention belongs to the field of chemical detection and analysis and particularly relates to a method for rapidly determining the content of free fluorine and monofluorophosphate radical in sodium monofluorophosphate. An ion chromatography leacheate is used as a strong alkaline KOH solution which is different from weak alkaline leacheates such as Na2CO3, NaHCO3 and the like in the past. A sodium monofluorophosphate sample is diluted with pure water for certain multiples, the solution is injected into an ion chromatograph for gradient elution, and free fluorine and monofluorophosphate can be separated rapidly, and the content of free fluorine and monofluorophosphate can be determined rapidly. The ion chromatography method replaces a detection method in the national standard, and the detection time for monofluorophosphate radical in sodium monofluorophosphate can be shortened to 20 min from 26 h in the national standard.

The invention discloses a compound preparation used for treating radiation bone injuries and a preparing method thereof.The compound preparation comprises calcium gluconate, monofluorophosphate glutamine, rocaltrol, nafcillin, oxacillinum natricum, durabolin, glutathione, calcitonin, icariin, vitamin AD, stanozolol, corticosteroid, sucralfate, dexamethasone and lipopolysaccharide.The compound preparation has the effects of resisting radiation, enhancing immunity and promoting bone cell metabolism, can effectively prevent complications such as radiation osteoporosis, radiation marrow, radiation fracture, osteoradionecrosis and radiation dysostosis, the formula of the compound preparation is novel and unique, the curative effect is good, cost is low, the side effect is small, and the compound preparation is widely suitable for the radiation bone injuries.

A subject is to provide a nonaqueous electrolyte excellent in cycle performances such as capacity retention after cycling, output after cycling, discharge capacity after cycling, and cycle discharge capacity ratio, output characteristics, high-temperature storability, low-temperature discharge characteristics, heavy-current discharge characteristics, high-temperature storability, safety, high capacity, high output, high-current-density cycle performances, compatibility of these performances, etc. Another subject is to provide a nonaqueous-electrolyte secondary battery employing the nonaqueous electrolyte. The subjects have been accomplished with a nonaqueous electrolyte which contains a monofluorophosphate and / or a difluorophosphate and further contains a compound having a specific chemical structure or specific properties.

To provide a flame retardant non-aqueous electrolyte solution for secondary batteries, with which a lithium ion secondary battery which is less likely to undergo thermal runaway and which is excellent in the high temperature storage properties can be obtained; and a lithium ion secondary battery using the non-aqueous electrolyte solution for secondary batteries.A non-aqueous electrolyte solution for secondary batteries, comprising an electrolyte salt and a liquid composition,which contains either one or both of monofluorophosphate anions and difluorophosphate anions derived from at least part of the electrolyte salt,wherein at least a lithium salt is contained as one type of the electrolyte salt, andthe liquid composition comprises at least one fluorine-containing solvent (α) selected from the group consisting of a fluorine-containing ether compound, a fluorine-containing chain carboxylic acid ester compound and a fluorine-containing chain carbonate compound, and a cyclic carboxylic acid ester compound. A lithium ion secondary battery using the non-aqueous electrolyte solution for secondary batteries.

The invention discloses a preparation method of monofluorophosphate, which comprises the following steps: a stabilizer is added into an obtained monofluorophosphate reaction solution, the stabilizer is selected from at least one of metal oxide, anhydrous carbonate and anhydrous bicarbonate, and the structure of the monofluorophosphate is as shown in the following formula (I), in the formula (I), R is selected from C1-C6 alkyl groups, C1-C6 fluoroalkyl groups, C2-C6 alkenyl groups and C2-C6 fluoroalkenyl groups. The prepared monofluorophosphate product is high in yield, high in purity, low in acidity and low in impurity content.

The present invention provides non-aqueous electrolytic solution for secondary battery and the non-aqueous electrolytic solution secondary battery that has used this non-aqueous electrolytic solution respectively, and this non-aqueous electrolytic solution for secondary battery contains for ethylene carbonate, propylene carbonate, The solubility of dimethyl carbonate, diethyl carbonate, ethyl methyl carbonate etc. is high, forms the electrolyte of coating film of good quality at positive electrode and negative electrode interface; Specifically, the present invention provides secondary battery non-aqueous electrolytic solution, It is characterized in that it contains a non-aqueous solvent containing a monofluorophosphate salt represented by the following general formula 1 or 2, and a lithium salt as a solute. The details of the general formula 1 or 2 are as described in this specification.

The invention relates to a mouthwash or dentifrice composition containing stable chlorine dioxide and inorganic stabilizer phosphate. The present invention relates to the composition for preventing and treating dental diseases by reducing the number of microorganisms in the oral cavity, the composition comprises mouth wash, tooth cleaning products (such as toothpaste and dental follicles) and other oral health-care products. The oral care product comprises stable chlorine dioxide with a concentration ranging from about 0.005% to 0.3%, and a monofluorophosphate compound in a concentration rangefrom about 0.02% to 3.0% to prevent chlorine dioxide from escaping from the composition when the pH ranges from 6.0 to 5%, thereby increasing a shelf life and efficacy of the composition.