64 results about "Borate ion" patented technology

The invention discloses a multistage crosslinking organic boron crosslinking agent capable of resisting high temperature of 180 DEG C and a preparation method of the multistage crosslinking organic boron crosslinking agent. The crosslinking agent comprises the following components in parts by weight: 3-4 parts of a boron-containing polymeric monomer, 10-12 parts of boric acid ester, 2-3 parts of a boron-containing compound, 15-18 parts of a solvent 1, 2-3 parts of a solvent 2, 0.5-1 part of a first ligand, 13-15 parts of a second ligand, 20-25 parts of a third ligand, 1-1.5 parts of alkenyl oxygen-containing silane and 2-3 parts of a strong hydrophilic monomer. The preparation method comprises the following steps: firstly, carrying out surface graft copolymerization on a boron-containing polymeric monomer to the surface of a nano material to prepare a boron-containing small-molecule polymer, and then chelating the boron-containing small-molecule polymer, boric acid ester, a boron-containing compound and the like step by step by using various chelating agents to obtain the organic boron cross-linking agent disclosed by the invention. After the cross-linking agent is compounded with a fracturing fluid, boron carriers with different release speeds are opened layer by layer, borate ions are released to be subjected to multi-stage cross-linking with the fracturing fluid, slow gelling is realized, a unique nano material is introduced to enhance the spatial structure and mechanical stability of gel, and the temperature resistance of the fracturing fluid is greatly improved.

Provided are methods of extracting lithium from a lithium containing solution, as well as the resulting compositions. The method includes supplying a lithium containing solution to a lithium capture step, the lithium capture step being operable to capture lithium from the lithium salt containing solution. The method further includes recovering lithium from the lithium capture step to produce a lithium rich stream. In especially preferred methods, the lithium capture step is performed to increase the lithium to sodium ratio above at least 1:1. Optionally, the lithium rich stream can be purified to remove divalent ions and borate ions. The lithium rich stream is then concentrated by supplying the lithium rich stream to a reverse osmosis step to produce a concentrated lithium rich stream.

IR-sensitive lithographic printing plate precursors provide a stable print-out image using a unique IR-sensitive image-recording layer. The IR radiation-sensitive layer includes: (1) a free radical initiator composition with an electron-donating agent and one or more iodonium cations; (2) a free radically polymerizable composition; and (3) a color-changing compound of Structure (I) having an indene ring in the conjugated chain between the aromatic terminal groups. The IR radiation-sensitive composition and layer also contains one or more borate ions such that the molar ratio of one or more borate ions to the one or more iodonium ions is at least 0.5:1. After IR imaging, these precursors exhibit desirable printout images both fresh and after dark storage. The precursors can be developed on-press.

An electrolyte membrane for a battery that cycles lithium ions includes a sulfide-based solid electrolyte, a polymer binder, an inorganic filler, an inorganic lithium salt, and an ionic liquid. The sulfide-based solid electrolyte includes lithium sulfide (Li2S) and at least one element selected from the group consisting of phosphorus (P), tin (Sn), silicon (Si), germanium (Ge), boron (B), gallium (Ga), and aluminum (Al). The ionic liquid includes substantially equimolar amounts of a cation and an anion. The cation includes a complex of lithium (Li+) and an ethylene glycol dimethyl ether, an imidazolium ion, a piperidinium ion, a pyrrolidinium ion, an ammonium ion, a phosphonium ion, or a combination thereof. The anion includes an arsenate ion, a phosphate ion, a sulfonylimide ion, a borate ion, a chlorate ion, or a combination thereof.

Provided are a positive electrode active material and a preparation method therefor, a positive electrode sheet, a battery, and an electric device. The positive electrode active material comprises Na4-aAbFe3-cBd(PO4)2-eDf(P2O7), wherein A comprises at least one of Li and K, B comprises a metal element, D comprises at least one of a halogen anion, a silicate ion, a sulfate ion, or a borate ion, -0.12≤a≤0.12, b≥0, 0≤c≤0.3, d≥0, f>0, and 0<e≤0.1.

According to the low-temperature high-durability magnesium phosphate cement and the preparation method thereof, dead burned magnesia powder serves as a core gelling base material and can provide a large amount of active Mg < 2 + >, ammonium dihydrogen phosphate can provide an acid environment and PO4 < 3->, the dead burned magnesia powder and the ammonium dihydrogen phosphate are subjected to an acid-base neutralization reaction in the presence of water to generate ammonium magnesium phosphate hydration products, and the magnesium phosphate hydration products are subjected to a low-temperature high-durability magnesium phosphate cement. The products are interwoven to form a hardened body framework, and a strength foundation is laid for cement; borax is adopted as a key retarder, borate ions generated after the borax is dissolved in water can be adsorbed on the surfaces of dead burned magnesia powder particles, a magnesium borate complex film is formed, the dissolution of Mg < 2 + > and the reaction of PO4 < 3-> are hindered, the cement setting time is effectively delayed, and the construction requirements are met; and the borax can also refine the crystal structure of a hydration product, reduce the porosity, improve the impermeability and the volume stability of a hardened body, and avoid shrinkage cracking.

Provided are methods of extracting lithium from a lithium containing solution, as well as the resulting compositions. The method includes supplying a lithium containing solution to a lithium capture step, the lithium capture step being operable to capture lithium from the lithium salt containing solution. The method further includes recovering lithium from the lithium capture step to produce a lithium rich stream. In especially preferred methods, the lithium capture step is performed to increase the lithium to sodium ratio above at least 1:1. Optionally, the lithium rich stream can be purified to remove divalent ions and borate ions. The lithium rich stream is then concentrated by supplying the lithium rich stream to a reverse osmosis step to produce a concentrated lithium rich stream.

A battery that cycles lithium ions includes a negative electrode, a positive electrode spaced apart from the negative electrode, and a gel polymer electrolyte disposed between and configured to provide a medium for the conduction of lithium ions between the negative electrode and the positive electrode. The positive electrode includes a high-voltage electroactive material formulated to undergo lithium intercalation and deintercalation. The gel polymer electrolyte includes an aliphatic polyester, a lithium salt, and an ionic liquid. The aliphatic polyester includes a substituted or unsubstituted poly(ethylene carbonate) (PEC). The lithium salt includes lithium sulfonylimide, lithium borate, or a combination thereof. The ionic liquid includes substantially equimolar amounts of a cation and an anion, with the cation including a complex of lithium (Li+) and an ethylene glycol dimethyl ether, an imidazole ion, or a combination thereof, and the anion including a sulfinate ion, a borate ion, or a combination thereof.

Disclosed is a composition for forming a hole transport layer, the composition containing a charge transport polymer having a unit which is represented by a specific structural formula, tetraaryl borate ions, a first solvent that is an aromatic compound containing an oxygen atom, and a second solvent that does not contain an oxygen atom.　The present invention can provide: a composition which contains a polymer having an aromatic amine structural unit and an electron-accepting compound that improves conductivity, contains a mixed solvent that sufficiently dissolves the polymer and the electron-accepting compound, and can be suitably applied to the formation of a hole transport layer; and a photoelectric conversion element which has a hole transport layer that is formed using the composition.

In order to solve the problems that an existing nickel-zinc battery is poor in cycle performance and short in service life, the invention provides a negative electrode material for a zinc secondary battery, a negative electrode plate and a battery, the negative electrode material for the zinc secondary battery comprises the following components in percentage by mass: 70-91% of an active substance, 3-10% of an additive and 3-6% of a binder, the additive comprises a first additive, a second additive and a third additive, the first additive contains soluble calcium ions and borate ions.

An electrolyte for a lithium-ion cyclizing battery comprises a glycerol-based ionic liquid and an ammonium-based cyclic ionic liquid. The glycerol-based ionic liquid essentially comprises equimolar amounts of a cation component, consisting of a lithium (Li+)-glycerol complex, and an anion component, consisting of an arsenate ion, a phosphate ion, a sulfonylimide ion, a borate ion, and / or a chlorate ion. The ammonium-based cyclic ionic liquid comprises a cation component, consisting of a piperidinium ion and / or a pyrrolidinium ion, and an anion component, consisting of an arsenate ion, a phosphate ion, a sulfonylimide ion, a borate ion, and / or a chlorate ion. The electrolyte has a lithium concentration greater than or equal to 0.2 mol per liter and less than or equal to 1.6 mol per liter.The electrolyte can be used in batteries that cycle lithium ions and include silicon-containing electroactive materials of the negative electrode.

Relates to a positive active material and a preparation method thereof, a positive pole piece, a battery and electric equipment, the positive active material comprises Na4-aAbFe3-cBd (PO4) 2-eDf (P2O7), A comprises at least one of Li or K, B comprises a metal element, D comprises at least one of halogen anions, silicate ions, sulfate ions or borate ions,-0.12 < = a < = 0.12, b > = 0, 0 < = c < = 0.3, d > = 0, f > 0, and 0 < e < = 0.1.

An IR sensitive lithographic printing plate precursor provides stable printing using a unique IR sensitive image recording layer. The IR radiation sensitive layer includes: component (1) a free radical initiator composition; component (2) a radically polymerizable composition; and component (3) a color-changing compound of structure (I) having an indene structure in the conjugated chain between the aromatic end groups. A specific group, such as a halogen group, is directly or indirectly attached to the indene structure. The infrared radiation sensitive image recording composition and the infrared radiation sensitive image recording layer also contain one or more borate ions. After infrared imaging, these precursors exhibit desirable fresh or initial printings and printings after dark storage. The precursor may be on-press developable.

The invention provides a piezoelectric composite material compositely integrated by high-performance piezoelectric conductive hydrogel and a biphase bone scaffold. The piezoelectric composite material is formed by compositing piezoelectric hydrogel, conductive hydrogel and a tricalcium phosphate / hydroxyapatite biphase scaffold, the piezoelectric hydrogel is formed by wrapping glycine nanofibers with a modified polymer; the conductive hydrogel is formed by complexing a polymer solution containing lithium acetate, borate ions and a hydroxyl compound. The pressure-responsive self-generating composite material which is high in conductivity, high in voltage, high in support and biodegradable is formed by integrating the pressure-conductive hydrogel and the biphase bone scaffold, construction of a composite hydrogel system which is high in voltage, high in conductivity, high in support strength and biodegradable is achieved, and the application requirement of a high-performance bone repair material system is met.

The invention provides a permanent magnetic ferrite and a preparation method and application thereof. The preparation method comprises the following steps: mixing a permanent magnetic ferrite pre-sintering material, silicon dioxide and a calcium borate strontium additive for the first time to obtain the permanent magnetic ferrite. According to the invention, the calcium strontium borate additive is added, the calcium strontium borate additive contains boric acid ions, the boric acid ions have good affinity with ferrite, and the secondary addition of boric acid can significantly improve the microstructure of a magnet, so that the comprehensive performance of the permanent magnetic ferrite is improved.

An electrolyte for a battery that cycles lithium ions includes a glyme-based ionic liquid and a cyclic ammonium-based ionic liquid. The glyme-based ionic liquid includes substantially equimolar amounts of a cation component including a complex of lithium (Li+) and a glyme and an anion component including an arsenate ion, a phosphate ion, a sulfonylimide ion, a borate ion, and / or a chlorate ion. The cyclic ammonium-based ionic liquid includes a cation component including a piperidinium ion and / or a pyrrolidinium ion and an anion component including an arsenate ion, a phosphate ion, a sulfonylimide ion, a borate ion, and / or a chlorate ion. The electrolyte has a lithium concentration of greater than or equal to 0.2 moles per liter and less than or equal to 1.6 moles per liter. The electrolyte may be used in batteries that cycle lithium ions and that include silicon-containing electroactive negative electrode materials.

The invention provides ionic liquid coated with oxide solid electrolyte and a preparation method of the ionic liquid, and belongs to the technical field of ionic liquid preparation. The structural formula of the ionic liquid disclosed by the invention is X-R-Y-R '-Si-(OCH3) 3 or X-R-Y-R'-Si-(OCH2CH3) 3, wherein X is a group containing double bonds; y is an ionic liquid group, a cation-containing group and an anion; the cationic group is one or more of imidazoles, pyridines, quaternary ammonium, quaternary phosphorus and pyrrolidines; the anions are one or more of halide ions, phosphate ions, perchlorate ions, sulfimide ions, oxalato borate ions, sulfonate ions and acetate ions. When the ionic liquid coated oxide solid electrolyte is used for a battery, the cycle life of the battery can be remarkably prolonged, the brittle stress of the oxide can be buffered by the flexibility of the ionic liquid, interface microcracks are prevented, and the ionic liquid coated oxide solid electrolyte has high safety and high energy density potential.

To provide a rebamipide-containing aqueous suspension having similar properties to Mucosta(R) ophthalmic suspension UD2% without using PVA, which may react with borate ions to form a gel, as an additive.SOLUTION: An aqueous suspension containing rebamipide or a salt thereof and a silver salt or chlorobutanol, preferably further containing polyvinylpyrrolidone in an amount of 2%(w / v) or less.SELECTED DRAWING: None

The invention relates to a battery comprising a gel polymer electrolyte and a method of making the same. A battery circulating lithium ions includes a negative electrode, a positive electrode spaced apart from the negative electrode, and a gel polymer electrolyte disposed between the negative electrode and the positive electrode and configured to provide a lithium ion conducting medium between the negative electrode and the positive electrode. The positive electrode includes a high voltage electroactive material that is formulated to undergo lithium intercalation and deintercalation. The gel polymer electrolyte includes an aliphatic polyester, a lithium salt, and an ionic liquid. The aliphatic polyester includes substituted or unsubstituted poly (ethylene carbonate) (PEC). The lithium salt includes lithium sulfonimide, lithium borate, or a combination thereof. The ionic liquid comprises substantially equimolar amounts of cations and anions, the cations comprising a complex of lithium (Li +) and ethylene glycol dimethyl ether, imidazole ions, or a combination thereof, and the anions comprising sulfinate ions, borate ions, or a combination thereof.

The invention provides a boric acid detector based on an ultra-narrow band filter-photomultiplier, and belongs to the technical field of nuclear power. According to the invention, the laser generation unit is turned on to sequentially pass through the first concave lens element and the sample cell filled with the solution to be detected, and the laser is reflected back to the sample cell through the second concave lens element, so that the laser power level in the sample cell is improved, and the first photoelectric detection element and the second photoelectric detection element are used for collecting boric acid and water molecule Raman scattering signals; and converting the optical signal into an electric signal, inputting the electric signal into a data acquisition and processing system, processing data by using related software, deducting the bottom noise of the previously measured laser power, and deducting the water peak spectrum signal acquired by the second photoelectric detection element, thereby obtaining the Raman spectrum peak height value of the final boric acid ion concentration. And finally obtaining an accurate numerical value of the boric acid ion concentration in the to-be-detected solution after normalization processing.

This invention proposes a corrosion-inhibiting polycarboxylate superplasticizer, its preparation method, and its application. The corrosion-inhibiting polycarboxylate superplasticizer is prepared by a ring-opening grafting reaction between an epoxy-containing polycarboxylate superplasticizer and triethanolamine borate. A functionalized framework is constructed using epoxy-containing monomers, and then corrosion-inhibiting groups are stably anchored to the molecular side chains through a nucleophilic ring-opening reaction, achieving molecular-level integration of water-reducing and corrosion-inhibiting functions. Through the directional adsorption of amino groups onto the surface of reinforcing steel to form a film, combined with the anodic passivation inhibition induced by borate, corrosive media are effectively isolated. Simultaneously, the released borate ions react with calcium ions in the pore fluid to form micro-precipitates in situ, filling capillary pores and significantly optimizing pore size distribution. This invention solves the problems of poor component compatibility and performance interference, significantly reducing the chloride ion permeability coefficient even at low dosages, and significantly improving the mechanical strength and durability of concrete. The process of this invention is simple, the reaction conditions are mild, and it is suitable for the protection of reinforced concrete structures in marine engineering and harsh environments.

To provide an aqueous solution containing borate ions and / or polyborate ions at a high concentration in terms of boron.SOLUTION: Provided is an aqueous solution containing polyborate ions and ammonium ions and / or primary alkylammonium ions with a carbon number of 1 to 4, wherein a mass molar concentration of the polyborate ions, in terms of boron, exceeds the solubility of both ammonium tetraborate alone and ammonium pentaborate alone in water at the same temperature, and the aqueous solution contains the ammonium ions and / or the primary alkylammonium ions with a carbon number of 1 to 4 in an amount equal to or greater than the stoichiometric amount relative to the polyborate ions.SELECTED DRAWING: None

This invention discloses an online borate ion detection device and method, and an online ion detection system and method for nuclear power plant circuits. The online borate ion detection device includes: an online sample preparation module for preparing standard sample solutions of different concentrations online; a sample module for delivering and pre-treating the sample to be tested; a sample selection module for selecting standard sample solutions or the sample to be tested and injecting them into the borate detection module; an automatic eluent preparation module for preparing the eluent online and delivering it to the borate detection module for elution; and a borate detection module including an ion exclusion chromatography column, wherein the packing material in the ion exclusion chromatography column is a mixed acidic resin packing material containing both sulfonic acid groups and carboxyl groups. This invention enables rapid, low-limit, and accurate measurement of borate ions, meeting the online detection requirements for different ions, including borate, in different circuits.

The invention discloses application of a hexagonal crystal system material GdAl3 (BO3) 4 in the field of extremely low temperature magnetic refrigeration, and relates to the technical field of magnetic refrigeration materials. The hexagonal crystal system material GdAl3 (BO3) 4 applied to the field of extremely low temperature magnetic refrigeration, provided by the invention, can show excellent magnetocaloric performance and stability under the condition of extremely low temperature (less than or equal to 300mK). According to the material, Gd < 3 + > is introduced as magnetic ions, Al < 3 + >, borate ions and other ions with small relative molecular mass are introduced as ligands, the mass ratio of the magnetic ions is guaranteed, and the material has a higher magnetic entropy change value. The phase change temperature is low, no phase change occurs at the temperature of 300 mK or above, lambda phase change occurs at the temperature of 300 mK, and the magnetic entropy is well reserved in an extremely low temperature region. Crystal water is not contained, and the structural stability and thermal stability are high. The magnetic refrigeration device has a remarkable magnetothermal effect in an extremely low temperature region, and can realize efficient, stable and convenient magnetic refrigeration application in sub-Kelvin or even lower temperature regions.

Coating slurry of the low-porosity high-cycle solidified pole piece comprises a polymerizable composite electrolyte, and the polymerizable composite electrolyte comprises cyclic lactone ionic liquid with a structure shown in a formula I, a polymer monomer with at least one reactive active group, electrolyte nano-particles and an initiator; the structural formula of the cyclic lactone ionic liquid with the structure shown in the formula I is # imgabs0 #, X is an oxygen heterocyclic group, and Y < + > is an ionic liquid cation group; r is any one of substituted or unsubstituted alkane group, alkoxy group, alkyl ester group, unsaturated alkyl group and cyclic hydrocarbon group, and the substituent group is selected from halogen; z <-> is selected from one or more of halogen ions, phosphate ions, perchlorate ions, sulfimide ions, oxalato borate ions, sulfonate ions and acetate ions. According to the low-porosity and high-cycle solid-state pole piece, the porosity of the pole piece is reduced, the electrochemical performance of the pole piece is improved, and the low-porosity and high-cycle solid-state pole piece is obtained.

A copper ferrite synthesis describing the use of cuprous, ferric, and borate ions is disclosed. Cuprous and ferric compounds react with sodium borate to form cuprous ferric oxide precipitates. Oxidizing a cuprous ferric oxide with an oxygen enhanced flame, synthesizes copper ferrite. The cuprous ferric oxide may be reduced to nanoparticle size via pulverization to produce copper ferrite nanoparticles.

The IR-sensitive lithographic printing plate precursor uses a unique IR-sensitive image recording layer to provide stable printing. This IR-sensitive layer comprises: component (1) a free radical initiator composition; component (2) a free radical polymerizable composition; and component (3) a color-changing compound of structure (I) having an indene structure in a conjugated chain between aromatic end groups. Specific groups, such as halogen groups, are directly or indirectly connected to this indene structure. The IR-sensitive image recording composition and the IR-sensitive image recording layer also contain one or more borate ions. After infrared imaging, these precursors exhibit desirable fresh or initial printing and printing after dark storage. The precursor is machine-developable.

This invention relates to the field of graphene materials technology, and discloses a modified graphene material and its preparation method. The preparation method includes: modifying graphene oxide with sodium lignosulfonate through π-π stacking to prepare an aqueous stable dispersion; introducing saponified rosin acid to attach the rosin acid tricyclic hydrophobic framework to the graphene surface; compounding tung oil emulsion, utilizing the α-tung acid conjugated triene double bond to form a film through free radical oxidation polymerization at room temperature (15-35℃), and covalently bonding graphene into the organic film-forming system through phenolic radical coupling; adding zinc borate, where zinc ions catalyze curing and promote the formation of zinc rosin acid, and borate ions form an inorganic borate ester crosslinking network with the hydroxyl groups of sodium lignosulfonate; adjusting the solid content and grinding to obtain the finished product. The conductive ink prepared by this invention self-cures at room temperature, and the cured coating has excellent water resistance and conductivity stability, making it suitable for heat-sensitive flexible substrates.

The present application discloses a solar cell, an interface passivation material, a photovoltaic power generation system, and an electric device. The solar cell includes an interface passivation material, the interface passivation material including a first compound represented by chemical formula (1) and / or a second compound represented by chemical formula (2): where Ar is an aromatic group, Q is a functional group containing active hydrogen, A+ is selected from an ammonium group or a phosphonium group, X- is selected from any one of a halogen ion, a pseudohalogen ion, an oxyanion ion, a fluorine-containing borate ion, or a sulfonyl imide anion. The interface passivation material can be used in solar cells to passivate interface defects in the light absorption layer, improve carrier transport performance, and improve the photoelectric conversion efficiency and stability of the solar cell.

IR-sensitive lithographic printing plate precursors provide a stable print-out image using an IR-sensitive image-recording layer that includes: (1) a free radical initiator composition with an electron-donating agent and one or more iodonium cations; (2) a free radically polymerizable composition; and (3) a color-changing compound of Structure (I) having an indene ring in the conjugated chain between aromatic terminal groups. The IR-sensitive image-recording layer contains one or more borate ions. After IR imaging, these precursors exhibit desirable printout images both fresh and after dark storage. The precursors can be developed on-press. The infrared radiation-sensitive image-recording layer can produce a colored compound that when exposed to infrared radiation, satisfies the equation FW3>FW1 wherein FW1 is the formula weight in Daltons of the (3) color-changing compound, absent Za, and FW3 is the formula weight in Daltons of the produced colored compound, absent Za.