21 results about "Borate ion" patented technology

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.

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.

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.

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.

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.

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.

The invention discloses a curable additive containing a polymer monomer I and a perfluoroalkyl ionic liquid II, a high oxidation potential electrolyte containing the curable additive and a battery, the structural formula of the polymer monomer I is shown in the specification, wherein R1-R3 are selected from C1-C4 alkyl, alkoxy, halogenated alkyl or halogenated alkoxy, and the structural formula of the perfluoroalkyl ionic liquid II is shown in the specification. R4 is selected from alkylene groups or halogenated alkyl groups of C1-C6, and R5 is selected from alkyl groups or halogenated alkyl groups of C1-C2; the structural formula of the perfluoroalkyl ionic liquid II is shown in the specification, wherein X and Y are respectively and independently selected from one or more of imidazoles, pyridines, quaternary ammonium, quaternary phosphorus, pyrrolidines or piperidines, and R is selected from perfluoro-substituted C1-C10 alkylene; z <-> and Z < '-> are respectively and independently selected from one or more of halide ions, phosphate ions, perchlorate ions, sulfimide ions, oxalato borate ions, sulfonate ions and acetate ions. The invention constructs the high oxidation potential electrolyte and the battery with high safety and conductivity.

An object of the present invention is to provide a non-aqueous electrolytic solution secondary battery capable of improving low-temperature output characteristics.The problem is solved by a secondary battery including a non-aqueous electrolytic solution containing fluorosulfonic acid ions, difluorophosphate ions, and bisoxalate borate ions, in which [FSO3−]>[PO2F2−]>[BOB−] is satisfied in the non-aqueous electrolytic solution.

The invention relates to the technical field of building materials, and discloses high-water-retention and high-bonding-strength dry-mixed masonry mortar which is prepared from 280-320 parts of ordinary Portland cement, 80-120 parts of fly ash, 540-630 parts of graded quartz sand, 8-20 parts of functional dispersion master batch and a defoaming agent. The functional dispersion master batch comprises polyvinyl alcohol powder, D-sorbitol, sodium tetraborate decahydrate and anhydrous sodium metasilicate. The preparation method adopts a low-temperature high-speed master batch prefabrication and post-mixing process. According to the preparation method disclosed by the invention, by utilizing the preferential complexing action of D-sorbitol and borate ions, instantaneous gelation at the initial stage of stirring is inhibited, and polyvinyl alcohol is ensured to be fully dissolved and dispersed; along with hydration, released borate radicals and polyvinyl alcohol are subjected to in-situ delayed cross-linking, and a water-resistant net structure is formed. The problems that traditional mortar is prone to flash coagulation and poor in water resistance are effectively solved, and the mortar has excellent construction performance and water-resistant bonding strength.

The invention provides a perovskite interface modification layer, a perovskite cell, a preparation method of the perovskite cell and a laminated cell. The perovskite interface modification layer comprises polyvinyl alcohol and borax, a dynamic boric acid ester cross-linking bond is formed between hydroxyl in the polyvinyl alcohol and boric acid radical ions hydrolyzed by the borax, and the boric acid ester cross-linking bond is broken when the temperature is greater than or equal to 40 DEG C and is rebuilt when the temperature is less than 40 DEG C. Therefore, a borate crosslinking bond in the perovskite interface modification layer is a reversible dynamic chemical bond, and local decrosslinking and re-crosslinking can occur when the borate crosslinking bond is stimulated by heat, so that macroscopic flow of materials such as polyvinyl alcohol and borax is realized. When the perovskite interface repairing layer is applied to a perovskite battery, cracks of a perovskite light absorption layer can be repaired, so that the physical integrity and compactness of the perovskite light absorption layer can be recovered, invasion channels of external harmful components such as water and oxygen are effectively cut off, and the long-term service life and the reliability of a device are greatly improved.

The present disclosure provides a moisture-swing sorbent composition comprising an ion exchange resin loaded with borate ions. The composition captures carbon dioxide from ambient air at low humidity and releases it when exposed to high humidity environments. The ion exchange resin contains quaternary ammonium functional groups that serve as cation sites for charge neutrality with anionic species. The ions may consist of carbonate and borate ions, providing synergistic effects that enhance both capacity and rate of carbon dioxide capture compared to single-anion systems. The composition demonstrates dual functionality through simultaneous carbon dioxide capture and atmospheric water harvesting capabilities. The sorbent achieves moisture-swing carbon dioxide capacities while maintaining reversible operation through humidity-controlled regeneration cycles without requiring high temperature or pressure swing regeneration methods.

The application discloses an expansion plugging material for fracture or cave leakage, which comprises elastic plugging spheres, wherein the elastic plugging spheres adopt elastic steel wire spheres as a framework, the diameters of the elastic steel wire spheres are compressed to 1 / 2-1 / 3 of the natural state, and the elastic steel wire spheres are sealed in paraffin. The application also discloses a hydrogel water plugging agent filled in the gaps of the steel wire spheres. The preparation process of the hydrogel water plugging agent is as follows: firstly, sodium alginate and polyvinyl alcohol are respectively dissolved and mixed, the pH value of the mixed solution is adjusted to weak acidity, then the mixed solution is reacted with polyethylene glycol diglycidyl ether to prepare a multi-block copolymer, methanol is added to make the two polymers simultaneously precipitate to form a mixture of the two polymers, and finally, the mixture is mixed with triethanolamine borate and calcium lactate microcrystals to prepare a high-strength interpenetrating network hydrogel water plugging agent which is sensitive to calcium ions and borate ions. The plugging material can be easily delivered to a leakage well section, can be highly expanded, can be easily stayed and accumulated in a leakage channel to form a bridge structure, and thus the plugging success rate is improved.

The present application relates to a kind of super large specific surface area magnesium-chromium hydrotalcite and its preparation method and application, belong to inorganic functional material technical field.The present application is prepared by borate ion intercalation combined with organic solvent washing treatment, and super large specific surface area magnesium-chromium hydrotalcite is obtained.The specific surface area of the magnesium-chromium hydrotalcite reaches 500-600 m 2 / g, interlayer anion is borate, with regular layered structure, rich surface hydroxyl active site and good mesoporous characteristics.The hydrotalcite prepared by the present application is stable in structure, and the preparation method is simple and low in cost.The super large specific surface area magnesium-chromium hydrotalcite provided by the present application can be used for uranium extraction from seawater and heavy metal pollution treatment of arsenic, lead, cadmium and the like, and has good application prospect.

The invention discloses a high-voltage cross-linked perfluoroalkyl ionic liquid and application thereof in a battery. The high-voltage cross-linked perfluoroalkyl ionic liquid has a structure shown in a formula (1), wherein X and Y are independently selected from one or more of imidazoles, pyridines, quaternary ammonium, quaternary phosphorus, pyrrolidines or piperidines, and R is selected from perfluoro-substituted C1-C10 alkylene; z <-> and Z < '-> are respectively and independently selected from one or more of halide ions, phosphate ions, perchlorate ions, sulfimide ions, oxalato borate ions, sulfonate ions and acetate ions. The fluorine element is introduced into the ionic liquid structure through molecular design, so that the ion transmission, oxidation resistance and safety performance of the ionic liquid are improved, and the high-safety and high-energy-density solid-state battery is further prepared.

The application provides a boron removal method of moxifloxacin hydrochloride and a preparation method of pure moxifloxacin hydrochloride, and belongs to the technical field of medicine preparation. In the application, LSC-800 resin is used for adsorbing and removing boric acid under the condition that the pH value is 8-9. The LSC-800 resin is a macroporous structure chelating resin which is crosslinked by styrene and divinylbenzene and has N-methylglucosamine groups. The polyol group part of the LSC-800 resin can generate complex anions with boric acid groups, and the amine group part of the LSC-800 resin can capture the generated complex anions as anion exchange groups, so that the boric acid ions in the boric acid-containing moxifloxacin hydrochloride can be selectively adsorbed, and the boric acid ions can be effectively removed. The results of the examples show that no boric acid is detected in the obtained moxifloxacin hydrochloride by using the boron removal method.

This product provides a hair care brush that is expected to improve the condition of the hair or scalp. [Solution] A hair care brush comprises a hair care brush body having multiple bristle holes, and the bristle holes It comprises a hair care brush with implanted bristles, the hair care brush bristles being composed of component (A) io It contains sustained-release glass particles and component (B) synthetic resin, and component (A) is fluoride ion. N, sodium ions, strontium ions, borate ions, aluminum ions, and One or more ions selected from the group consisting of bisilicate ions are released in a sustained manner.

The application relates to the field of ceramic diaphragms, in particular to a composite ceramic diaphragm with temperature resistance and liquid retention, a preparation method and application thereof, the diaphragm comprises a ceramic-coated diaphragm and a modified coating layer coated on at least one surface of the ceramic-coated diaphragm; the modified coating layer is obtained by coating a coating slurry on the surface of the ceramic-coated diaphragm, drying and then soaking in an impregnating solution; the boron-containing reinforcing agent is a boron acid-coated carbon nanotube; the impregnating material is an aqueous solution containing borate ions; the coating slurry is prepared by adding the boron-containing reinforcing agent into a hydroxyl-containing polymer, the boron acid-coated carbon nanotube provided in the application has synergistic effects with the hydroxyl-containing polymer and the impregnating solution, so that the finally-prepared ceramic diaphragm has a lower thermal shrinkage, that is, higher temperature resistance, and also has higher liquid absorption and liquid retention, and therefore has a wide application prospect.