253 results about "Borate salt" patented technology

The invention relates to viologen-anthraquinone composite electrochromic liquid and a preparation method thereof, the viologen-anthraquinone composite electrochromic liquid comprises 1.2-2.5 parts by mole of viologen salt, 0.8-1.5 parts by mole of anthraquinone derivative and 8-12 parts by mole of electrolyte; the viologen salt is ethyl viologen tetrafluoroborate or heptyl viologen tetrafluoroborate or octyl viologen tetrafluoroborate; the anthraquinone derivative is 1-ethylamino-4-hydroxy anthraquinone or acid blue 43; the preparation method comprises the following steps: preparing an electrolyte solution; adding purple refined salt and anthraquinone derivatives according to the formula; fully dissolving the electrochromic material to form uniform and transparent initial liquid; and degassing the initial liquid to remove oxygen dissolved in the initial liquid. The electrochromic liquid has the advantages that after the purple refined salt and the anthraquinone derivative are added into the dissolving solution according to the proportion of the formula, the two color-changing materials are jointly dissolved in the electrolyte, and when the two color-changing materials are reduced at the same time, spectrum superposition absorbed by the two color-changing materials can cover the whole visible region, so that black and white switching of the electrochromic liquid is realized, and the use effect is good.

The invention provides a polymer electrolyte, a secondary battery and a preparation method of the polymer electrolyte and the secondary battery. The non-aqueous electrolyte comprises an organic solvent, an electrolyte salt, a borate derivative with the mass fraction of 0.1%-15%, a sulfonyl-containing cross-linking agent A with the mass fraction of 0.1%-4%, a cross-linking agent B at least containing three carbon-carbon double bonds and an initiator, the mass ratio of the cross-linking agent B to the cross-linking agent A is (1-100): 1, the mass fraction of the borate derivative is 0.1%-15%, the mass fraction of the sulfonyl-containing cross-linking agent A is 0.1%-4%, and the mass fraction of the initiator is 0.1%-1%. The mass ratio of the sum of the mass of the borate derivative, the cross-linking agent A and the cross-linking agent B to the mass of the initiator is (1000-20): 1. The polymer electrolyte provided by the invention has high ionic conductivity, can improve the safety performance of a battery in a high proportion state, and can maintain good cycle performance at the same time.

The invention discloses application of 2-aminoethoxy diphenyl borate (2-APB) in preparation of a medicine for improving endometrial receptivity and treating diseases related to the endometrial receptivity, and belongs to the technical field of biological medicine. A large number of experiments prove that 2-APB specifically activates a TRPM6 channel, enhances calcium ion influx and activates a calcium-dependent CaM-CaMKII-Ecadherin signal axis, so that expression of receptivity markers (such as E-cadherin and ICAM-1) is up-regulated, and endometrial receptivity is improved. The problems of poor targeting property and high toxicity of the traditional calcium ion carrier are solved, and a safe and effective treatment strategy is provided for a patient suffering from repeated implantation failure (RIF).

A borate compound-containing composition soluble in hydrocarbon solvents. A composition containing base A, or a compound having a total carbon number of not less than 8 and represented by the formula (5):wherein R and R′ are each independently an optionally substituted C1-30 alkyl group, an optionally substituted C3-15 cycloalkyl group, or an optionally substituted C6-14 aryl group; anda borate compound represented by the following formula (1):wherein R1, R2, R3 and R4 are each independently a C6-14 aryl group substituted by one or more fluorine atoms or fluoro C1-4 alkyl groups; and[A-H]+ is a base A-derived cation. A method for producing a polymer, by polymerizing at least one kind of monomer selected from the group consisting of olefins and dienes by using the composition A as a cocatalyst.

The present invention relates to a sulfide-based solid electrolyte containing lithium (Li), phosphorus (P), sulfur (S), boron (B), and a plurality of halogen elements and having an argyrodite-type crystal structure, wherein the sulfide-based solid electrolyte satisfies formula 1. [Formula 1] 3.6 ≤ (CxB) / A ≤ 5.5 In formula 1, A is Dmax measured by a laser diffraction and particle size distribution measurement method, B is D50, and C is an elastic modulus measured using an atomic force microscope (AFM).

The invention discloses a borate-based near-infrared luminescent material as well as a preparation method and application thereof, and belongs to the technical field of near-infrared luminescent materials. The chemical general formula of the borate-based near-infrared luminescent material disclosed by the invention is Y1-xGa3 (BO3) 4: xEr < 3 + >, and x is more than or equal to 0.05 and less than or equal to 0.25. By regulating the doping proportion of the Er < 3 + > component, the light-emitting peak position and the light-emitting efficiency are finely regulated; a rare earth ion Er < 3 + > is doped in a Y1-xGa3 (BO3) 4: xEr < 3 + > compound to form a luminescent material with a new component, the excitation peak value of the luminescent material is 365 nm ultraviolet light and 980 nm near-infrared light, the emission wavelength is within the range of 1400-1700 nm, the luminescent material can be well matched with an ultraviolet light chip, and the technical problem that the existing fluorescent powder is difficult to realize near-infrared band luminescence is solved.

There is provided an on-press development type lithographic printing plate precursor including a support, and an image-recording layer provided on the support, in which the image-recording layer contains (1) or (2).(1) a borate compound represented by Formula (1) and an electron-accepting polymerization initiator(2) a borate compound represented by Formula (1a)in Formula (1) and Formula (1a), R1, R2, R3, and R4 each independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkenyl group, or a substituted or unsubstituted alkynyl group, and R1, R2, R3, and R4 may each independently have a ring structure. Provided that at least one of R1, R2, R3, or R4 is different from the other. M+ represents a cation. Ma+ represents an iodonium cation.

The present invention relates to a gel-type polymer electrolyte, a lithium metal battery comprising same, and a method for manufacturing same and, more specifically, comprises: an organic solvent; a lithium salt; an additive; and a crosslinked polymer, wherein a current collector includes an organic phosphate, the lithium salt includes at least one of a borate-based lithium salt and a fluorine-based lithium salt, and the organic phosphate is a low-molecular compound having a molecular weight (Mw) of 100-400 g / mol and is dispersed in the organic solvent.

The invention discloses borate rare earth-based high-entropy ceramic nanofibers and a preparation method thereof, and relates to the technical field of high-entropy ceramics, and the preparation method comprises the following steps: sequentially adding a spinning aid, rare earth salt and boric acid into a solvent, and uniformly stirring to obtain a spinning solution; performing electrostatic spinning and pre-oxidation on the spinning solution to obtain a pre-oxidized precursor fiber; and placing the pre-oxidized precursor fiber in inert gas, calcining at high temperature, and cooling to obtain the borate rare earth-based high-entropy ceramic nanofiber.

Provided are methods of producing cobalt-based nanoparticles (CoxBy NPs) of a pre-selected diameter. The methods include reducing Co2+ ions with a sodium borohydride (NaBH4) solution having a selected ratio of tetrahydroxyborate (B(OH)4−) to tetrahydroborate (BH4−) based on the pre-selected diameter, where the ratio of B(OH)4− to BH4− is positively correlated with the pre-selected diameter. Also provided are methods of using the CoxBy NPs to produce hollow metal nanospheres (HMNs). Methods of producing CoxBy NP core / metal shell structures are also provided, such methods including combining in an anaerobic galvanic exchange reaction a deaerated solution including CoxBy NP scaffolds and a deaerated solution including a metal. Also provided are methods of producing HMNs from the CoxBy NP core / metal shell structures. Compositions and kits that find use in practicing the methods of the present disclosure and using HMNs produced in accordance with the methods of the present disclosure, are also provided.

The invention provides 4-methyl-1-pentene and a preparation method of the 4-methyl-1-pentene. The preparation method comprises the following steps: carrying out dimerization reaction on propylene in a reactor of a fixed bed to obtain a dimerization product system; carrying out gas-liquid separation on the dimerization product system to obtain a liquid phase system containing 4-methyl-1-pentene; 4-methyl-1-pentene is obtained through separation from the liquid phase system; the fixed bed reactor is filled with a catalyst, and the catalyst comprises a carrier and alkali metal loaded on the carrier; the carrier is obtained by mixing and molding alkali metal salt, cyclodextrin and derivatives thereof, graphite, a reinforcing agent and water and then roasting; the reinforcing agent is selected from borate and / or silicate. The preparation method can improve the selectivity of 4-methyl-1-pentene and the conversion rate of propylene.

The invention discloses 4, 5-bis (fluorine gem dinitro)-1, 2, 3-triazole and a preparation method thereof, and the preparation method specifically comprises the following steps: step 1, adding 4, 5-bis (fluorine gem dinitro)-1, 2, 3-triazole potassium salt, 1-chloromethyl-4-fluoro-1, 4-diazotized bicyclic 2.2. 2 octane bis (tetrafluoroborate) salt and a reaction solvent into a reactor, and stirring until the materials are completely dissolved; 2, after dissolving is completed, reacting at room temperature; and 3, after the reaction is finished, spin-drying the solvent to obtain a solid, dissolving the solid by using an organic solvent, filtering, and concentrating to obtain a colorless liquid 4, 5-bis (fluorine gem dinitro)-1, 2, 3-triazole. The calculated density of the 4, 5-bis (fluorine gem dinitro)-1, 2, 3-triazole is large, the density of the 4, 5-bis (fluorine gem dinitro)-1, 2, 3-triazole is 2.01 g / cm < 3 >, and the theoretical density of 5-amino-3-nitro-1, 2, 4-triazole and the theoretical density of 3, 5-dinitro-1, 2, 4-triazole compounds in comparison files are 1.82 g / cm < 3 > and 1.83 g / cm and are improved by 10.4% and 9.8%.

This invention discloses a method for preparing difluorooxalate borate. The method includes the following steps: S100, placing the reactants in a mechanochemical reaction apparatus for a staged solid-phase transformation reaction to obtain crude difluorooxalate borate. The reactants are tetrafluoroborate and oxalic acid or oxalate. During the reaction, volatile substances generated are removed and recovered. S200, the crude difluorooxalate borate obtained in step S100 is subjected to crystallization treatment to obtain the difluorooxalate borate product. The method for preparing difluorooxalate borate provided by this invention uses tetrafluoroborate and oxalic acid or oxalate as reactants in a mechanochemical reaction apparatus. It does not require a large amount of reaction solvent, obtains the target product in one step without generating a large amount of waste liquid, and has a simple post-processing procedure. Byproducts are continuously removed during the reaction, promoting the forward reaction. This is a green and efficient method for preparing difluorooxalate borate.

The invention discloses a super capacitor electrolyte and a super capacitor, and relates to the technical field of super capacitors, the super capacitor electrolyte comprises an electrolyte, a solvent and a functional additive; the electrolyte comprises spiro quaternary ammonium tetrafluoroborate and triethyl methyl ammonium tetrafluoroborate; the solvent comprises acetonitrile and sulfolane; the functional additive is a compound with a crown ether structure prepared through a thiol-ene click reaction; the addition amount of the functional additive is 1-10% of that of the solvent. The supercapacitor electrolyte system can resist high voltage and has wide temperature adaptability, that is, the supercapacitor electrolyte system has good high temperature resistance and low temperature resistance, so that the application requirement of a supercapacitor in a complex and severe environment is met.

Provided are glasses containing silicon dioxide (Si02) and / or boron oxide (B203) as glass formers and having a refractive index n greater than or equal to 1.9 d (at 587.56 nm) and a density (measured at 25 °C) less than or equal to 5.5 g / cm 3 Optionally, the glasses can be characterized by high transmission in the visible and near-ultraviolet (near-UV) range of the electromagnetic spectrum and / or good glass forming ability.

This invention belongs to the field of electronic ceramics and their manufacturing, and relates to a calcium aluminum borate microcrystalline glass material with a low coefficient of thermal expansion and its preparation method. This invention uses CaCO3, Al2O3, and H3BO3 as raw materials, obtaining a glass material through high-temperature melting and water quenching, followed by granulation and sintering to obtain a microcrystalline glass material with CaAl3BO7 as the main crystalline phase. The glass material, after melting and holding at 1300℃ for 1 hour and water quenching, and then sintering at 850–950℃, exhibits excellent dielectric properties and low thermal expansion characteristics: the dielectric constant is between 7.41 and 9.14; the sample sintered at 925℃ with a 10wt.% excess of H3BO3 has a Q×f value as high as 28561 GHz (@15.725 GHz), a flexural strength of 140 MPa, and a coefficient of thermal expansion of 3.08 × 10⁻⁶. ‑6 With a coefficient of thermal expansion of 1 / K, which is similar to that of silicon semiconductor materials, it can meet the thermal-electric-mechanical performance requirements of microwave dielectric ceramic substrate materials, and has the potential to be used as a packaging substrate material.

This invention relates to the field of board technology, and proposes a high-strength eco-friendly board and its preparation method. The eco-friendly board, from top to bottom, comprises a first decorative paper layer, a first reinforcing layer, a substrate layer, a second reinforcing layer, and a second decorative paper layer. The first and second reinforcing layers each independently comprise the following components by weight: 70 parts silica sol, 12-20 parts magnesia fiber, 15-25 parts silica fume, 3-5 parts zinc stearate, and 5-10 parts binder; the binder includes polylactic acid and borate; the weight ratio of polylactic acid to borate is 1:9 to 9:1. This technical solution solves the problem of poor strength performance in eco-friendly boards in related technologies.

This invention relates to a polyphosphate compound, its preparation method, and its applications. The preparation method of the polyphosphate compound includes the following steps: reacting a diphenolic compound with a phosphate compound under the action of carbonates and borates to obtain the polyphosphate compound. The preparation method of the polyphosphate compound provided by this invention is simple in process and convenient in post-processing. While effectively increasing the phosphorus content of the obtained polyphosphate compound, it also reduces the reaction temperature, avoiding the stringent high-temperature requirements of existing condensation-type flame retardant synthesis.

The present invention relates to an electrolyte for a lithium-sulfur battery, and a lithium-sulfur battery comprising the same, the electrolyte comprising: a first solvent comprising a heterocyclic compound comprising at least one double bond and simultaneously comprising an oxygen atom or a sulfur atom; a second solvent comprising at least one of an ether-based compound, an ester-based compound, an amide-based compound, and a carbonate-based compound; a lithium salt; lithium nitrate; and a borate-based lithium salt.

The invention relates to the technical field of fireproof materials, and discloses a fireproof plugging material and a preparation method thereof, and the fireproof plugging material comprises the following components by mass: 20-40 parts of a metal oxide enriched phosphate gelling system, 10-25 parts of an expansion main body, 5-15 parts of a synergistic fluxing and heat absorbent, 30-50 parts of an in-situ reactive aggregate, and 1-5 parts of reinforced fibers. According to the preparation method, a four-stage chain reaction system of expansion, synergistic fluxing, volatilization inhibition and in-situ welding is constructed, an oxygen-enriched phosphate gelling system provides BO volatilization inhibition capability and a POprecursor, boric acid provides a low-temperature endothermic effect and a BO precursor, the oxygen-enriched phosphate gelling system and the boric acid form a phosphorus borate eutectic melt at the temperature of 600-900 DEG C, and the low-temperature heat absorption effect and the BO precursor form a low-temperature heat absorption effect and a low-temperature heat absorption effect at the temperature of 600-900 DEG C; and the melt further reacts with wollastonite to generate a calcium-magnesium-boron-phosphorus-silicate glass phase, and a loose carbon layer obtained after expandable graphite is expanded is welded, so that the core contradiction that high expansion rate and high-temperature residual strength cannot be considered at the same time in the prior art is effectively solved.

This invention provides a collector for recovering platinum group metals (PGMs) from spent catalysts, its preparation method, and its application, belonging to the technical field of precious metal recovery. The collector comprises a copper matrix, a flux, a framework support, and a lattice activator: the copper matrix, flux, and lattice activator are loaded on the surface of the framework support; the copper matrix is ​​elemental copper or a copper-based compound; the flux is boric acid or a borate; the framework support is a porous inorganic material; and the lattice activator is tin, a tin alloy, or a metal sulfide. The collector serves as a collector for the pyrometallurgical recovery of PGMs from spent catalysts. This invention constructs a multi-component synergistic collector composed of a copper matrix, flux, framework support, and lattice activator, which significantly improves the recovery rate of PGMs, especially rhodium, from spent automotive exhaust purification catalysts in pyrometallurgical treatment, and reduces the smelting temperature required for pyrometallurgical treatment, thus significantly reducing energy consumption.

The present invention discloses a glass composition for an eco-friendly detergent, and a method for preparing glass powder for an eco-friendly detergent by using same, wherein the glass composition based on borate-based glass containing large amounts of MgO, CaO, K2O, Na2O, and B2O3 and a trace amount of SiO2 exhibits maximized elution of ions such as K+, Na+, Ca2+, Mg2+, etc., whereby a high concentration of eluate can be prepared. As a result, the glass composition for an eco-friendly detergent and the method for preparing glass powder for an eco-friendly detergent allow for the repeated use of a certain amount of glass and can uniformly maintain cleansing performance even to 40 cleansing rounds or more.

The application discloses a prevention and treatment composition, a prevention and treatment method and a device, and relates to the field of biological prevention and treatment. The prevention and treatment composition is used for biological prevention and treatment by applying a voltage in a solution form. Functional substances in the prevention and treatment composition include: an electrolyte component, which includes one or more of a bicarbonate compound, a carbonate compound and a nitrogen compound, and the mass proportion of the electrolyte component in the functional substances is greater than or equal to 50% and less than or equal to 87%; an interface regulator, which includes a polyhydric alcohol compound, and the mass proportion of the interface regulator in the functional substances is greater than or equal to 5% and less than or equal to 20%; and a functional additive, which includes a borate compound, and the mass proportion of the functional additive in the functional substances is greater than or equal to 2% and less than or equal to 10%. The prevention and treatment composition can realize chemical-physical synergistic prevention and treatment, and can avoid the generation of pesticide resistance. The prevention and treatment composition can be decomposed into water and oxygen after electrolysis for a period of time, and can ensure no chemical residues.

There are provided an on-press development type lithographic printing plate precursor including a support, and an image-recording layer on the support, in which the image-recording layer contains two or more electron-donating polymerization initiators and an electron-accepting polymerization initiator, and the two or more electron-donating polymerization initiators are borate compounds, and at least one of the two or more electron-donating polymerization initiators is a borate compound represented by Formula (1), in which, R1, R2, R3, and R4 each independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkenyl group, or a substituted or unsubstituted alkynyl group, and R1, R2, R3, and R4 may each independently have a ring structure, provided that at least one of R1, R2, R3, or R4 is different from the other, and M+ represents a cation.

[Problem] To provide a water electrolysis method and a water electrolysis system with which water electrolysis can be highly efficiently performed under non-extreme pH conditions. [Solution] Provided is a water electrolysis method in a buffer solution having a pH of 7 to 12, wherein the buffer solution is composed of an electrolyte solution containing at least one cation species selected from the group consisting of alkali metal cations and at least one anion species selected from the group consisting of borates and carbonates, and the electrolyte solution contains 0.1 to 6.0 mol / kg of phosphate ions.

The present invention discloses a plant based industrial lubricant formulation that includes three major components. The first component includes at least one constituent such as ester of soyabean oil, ester of sesame oil, ester of corn oil, ester of caster oil, ester of canola, ester of safflower oil and the like. The second component includes at least one of the constituents including Sapindus mucorossi, neem oil and calendula oil. Further, the third component is a nanoparticle component which includes Zinc Sulfide nanoparticles, hexagonal boron nitrate nanoparticles and molebdenum disulfide nanoparticles. Also disclosed is a process for preparation of a plant based industrial lubricant of the present invention. This lubricant formulation has varied applications in various industries due to adjustable viscosities and flashpoints.

This invention provides a method for detecting the content of active ingredients in perfluoroaryl boronic acid (PFAO) solutions. The method includes: dissolving an N,N,-di(hexadecyl)phenylammonium tetra(pentafluorophenyl)boronic acid sample in a first and second organic solvent to obtain a test solution; detecting the test solution using high-performance liquid chromatography (HPLC) with two standards; qualitatively comparing the retention times of the test solution with the first and second standards; and determining the content of N,N,-di(hexadecyl)phenylammonium tetra(pentafluorophenyl)boronic acid in the test solution using an external standard method. This method provides complete separation of N,N,-di(hexadecyl)phenylammonium tetra(pentafluorophenyl)boronic acid and related impurities. The method offers high precision, accurate results, simple quantitative analysis, and good repeatability.

The invention discloses a high-efficiency catalyst composition for preparing optical-grade PC (polycarbonate), the catalyst composition comprises a non-metal catalyst and a rare earth oxide, and the mass ratio of the non-metal catalyst to the rare earth oxide is 1: (0.1-1); the non-metal catalyst is prepared from at least one of N-heterocyclic carbene borate, 1, 5, 7-triazabicyclo [4.4. 0] dec-5-ene, N, N '-di-tert-butyltetramethylguanidine or 1, 3-di (2, 6-diisopropyl phenyl) imidazole-2-subunit, and the non-metal catalyst is prepared from at least one of N-heterocyclic carbene borate, 1, 5, 7-triazabicyclo [4.4. 0] dec-5-ene, N, N'-di-tert-butyltetramethylguanidine and 1, 3-di (2, 6 In the efficient catalyst for preparing the optical grade PC, the nonmetal catalyst has a high steric hindrance effect and can inhibit Fries side reaction, meanwhile, the rare earth oxide is introduced to serve as a cocatalyst, carbonyl is activated through Lewis acid, and the catalytic activity and catalytic efficiency are greatly improved.

The application discloses a kind of weather-resistant PVB resin and its preparation method and application.A kind of preparation method of weather-resistant PVB resin includes the following steps: polyvinyl alcohol aqueous solution is cooled to 4-12 ℃, then emulsifier, acid catalyst is added, stirring, aldehyde is added to perform acetalization reaction, after heat preservation 0.5-1.5 h, temperature is raised to 60-75 ℃, then boric acid salt is added, and it is maintained at 60-75 ℃ for 1-2 h;Add base to perform acid-base neutralization reaction, wash with water after acid-base neutralization reaction, then adjust pH value to 11-12 by adding base again, wash with water again, centrifugal to obtain final product.The PVB resin preparation method of the application, by adding boric acid salt additive, improves the oxidation corrosion resistance and heat resistance of the resin, thereby further improving weather resistance.

Disclosed herein is a single nonlinear optical crystal having a chemical formula of RnBa3(B3O6)3 wherein R is n different rare earth elements selected from La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and any combination thereof; and wherein n is 1 to 14. Also disclosed are devices comprising the same and methods of making the same.