16 results about "Ionic composition" patented technology

The present invention relates to an inorganic-organic hybrid compound as ionic compound, composed of an inorganic metal cation selected from [ZrO]2+, and of an organic active ingredient anion selected from gemcitabine monophosphate or gemcitabine triphosphate.

Provided is a method for producing lithium hydroxide, comprising the steps of: introducing a lithium salt solution into a salt solution compartment, and introducing water into an acidic solution compartment and a basic solution compartment; discharging, from the acidic solution compartment, a sulfuric acid solution including sulfuric acid ions separated from the lithium salt solution by an anion-selective ion exchange membrane and hydrogen ions generated by decomposing water through electrodialysis in a first bipolar membrane; discharging, from the basic solution compartment, a lithium hydroxide solution including lithium ions separated from the lithium salt solution by a cation-selective ion exchange membrane and hydroxide ions generated by decomposing water through electrolysis in a second bipolar membrane; and adding an additive to the lithium hydroxide solution discharged from the basic solution compartment to precipitate impurities and remove same.

This invention provides an onium salt used in a chemically amplified resist composition that exhibits excellent solvent solubility, high sensitivity, high contrast, and superior lithography performance such as LWR, CDU, MEF, EL, and DOF in photolithography using high-energy rays; a chemically amplified resist composition containing the onium salt as a photoacid generator; and a pattern formation method using the chemically amplified resist composition. [Solution] A sulfonium salt comprising an aromatic sulfonate anion and a sulfonium cation represented by the following formula (1B). TIFF2026076056000601.tif51140

The invention relates to a seawater-based ionic composition for the manufacture of medical devices intended for administering said composition to patients, and to restorative and soothing cosmetics, comprising a specific concentration of chloride (Cl), sodium (Na), sulfate (SO4), sulfur (S), magnesium (Mg), calcium (Ca), potassium (K), and bicarbonate (HCO3). This composition is reproducible, stable, well-tolerated, and can be used alone or in combination with other ingredients.

The sulfonium salt consists of an aromatic sulfonate anion having the following formula (1A) and a sulfonium cation having the following formula (1B). The sulfonium salt can be used in a chemically amplified resist composition. The resist composition has a high solvent solubility, high sensitivity and high contrast, and forming a resist film with improved lithography properties such as LWR, CDU, MEF, EL, and DOF when processed by photolithography using high-energy radiation such as a KrF or ArF excimer laser beam, an electron beam (EB) or EUV.

The invention relates to an ionic liquid corrosion inhibitor and a preparation method and application thereof, the ionic liquid corrosion inhibitor is composed of N, N-dialkyl secondary ammonium cations and dodecylbenzene sulfonic acid anions, and has a general formula structure shown in the following figure. When the ionic liquid corrosion inhibitor is added into mineral oil as an oil-soluble corrosion inhibitor, steel and iron materials can be prevented from being corroded in a humid and hot atmospheric environment. The ionic liquid corrosion inhibitor has the characteristics of good oil solubility, stable micelle structure and high corrosion inhibition efficiency, and can be used as a key rust inhibition component in novel antirust oil. The oil-soluble surface active ionic liquid corrosion inhibitor based on the N, N-dialkyl-secondary ammonium ions and the dodecylbenzene sulfonate ions, provided by the invention, has the characteristics of being green, non-toxic, good in oil solubility and high in corrosion inhibition efficiency.

The present invention addresses the problem of providing a plating solution and a plating method which have excellent uniform electrodeposition properties and are capable of forming a Ni-Cr-(Mo / W) alloy coating film with a more uniform film thickness. A plating solution for forming a Ni-Cr-(Mo / W) alloy coating film, the plating solution containing: a metal ion source containing an ion source of nickel, chromium, and molybdenum and / or tungsten; and one or more chemical species selected from the group consisting of ammonia, amines, and ammonium ions. And a method for forming a Ni-Cr-(Mo / W) alloy coating film, the method including a step for plating using the plating solution. It is preferable that the plating solution further contains a complexing agent in an amount of 0.01-4 equivalents (inclusive) relative to the total amount of the metal ion sources.

This application relates to a temperature- and salt-resistant polyacrylamide and its preparation method, belonging to the field of polymer materials. The raw materials for preparation include the following components in parts by weight: 80-100 parts acrylamide, 46-72 parts a composite ionic composition, 3.5-5.5 parts a hydrophobic associating monomer, 2-4 parts an emulsifier, 0.05-0.15 parts an initiation system, 15-25 parts a hydrolysate, and a pH adjuster; the composite ionic composition includes 2-acrylamido-2-methylpropanesulfonic acid, sodium p-styrenesulfonate, and dodecyl dimethyl benzyl ammonium chloride. The preparation method includes the following steps: adding acrylamide, the composite ionic composition, and the hydrophobic associating monomer to water, adding an emulsifier, adjusting the pH to neutral with a pH adjuster, stirring to dissolve and deoxygenating, adding the initiation system under a protective atmosphere, stirring and reacting to obtain a polymer colloid, granulating, adding a hydrolysate, hydrolyzing, drying, and pulverizing to obtain the temperature- and salt-resistant polyacrylamide. This application has the effect of improving the salt resistance and temperature resistance of polyacrylamide.

The invention relates to the field of polypeptides, in particular to an adipose tissue targeted MRI (Magnetic Resonance Imaging) developing agent. The invention provides an adipose tissue targeted MRI (Magnetic Resonance Imaging) developing agent, which is characterized in that the MRI developing agent has the following structure: [X]-L-P, wherein P is a polypeptide, and the polypeptide is selected from a group consisting of SEQ ID NOs: 1 to 15; l is an attachment joint, and the attachment joint comprises amino acid and / or amino acid derivatives; [X] is a paramagnetic metal complex, and the paramagnetic metal complex is composed of a chelating agent and paramagnetic metal ions. The MRI developing agent provided by the invention not only can accurately and specifically target and locate adipose tissues of a living body, but also can visualize visceral fat, so that the fat distribution condition of the living body is displayed.

The application discloses a photosensitive resin composition and a preparation method thereof, a metal circuit and a manufacturing method and application thereof, and belongs to the technical field of electronic device materials. The preparation raw material of the photosensitive resin composition provided by the application comprises a functional monomer, an acrylic ester monomer, a crosslinking agent, a photoinitiator and a light absorber; the functional monomer is an ionic compound composed of a quaternary ammonium cation and a fluorosulfonylimide anion; and the quaternary ammonium cation comprises an ultraviolet light curing group. The photosensitive resin composition provided by the application can effectively improve the platability of the photosensitive resin composition, finally improves the accuracy of the size of a subsequent metal conductive pattern, and the stability of the conductivity. The application further provides a preparation method of the photosensitive resin composition, a preparation raw material, a metal circuit comprising the photosensitive resin composition, a manufacturing method of the metal circuit, and the application of the photosensitive resin composition and / or the metal circuit.

The application discloses a water quality identification system and method based on multi-component ion mobility deviation characteristics. The system adopts a three-layer architecture of a hardware perception layer, an algorithm analysis layer and a performance application layer. The hardware perception layer collects TDS, pH, EC and temperature signals in real time through a multi-parameter integrated sensor array. The algorithm analysis layer includes a binary matrix model module, a nonlinear jump detection module and a dynamic thermal transient response module. The ion component type is identified by calculating the conductivity response deviation factor D of different ion components. The critical jump point of the performance mutation of the reverse osmosis membrane is captured as the filter core life warning criterion through the concentration gradient incremental test. The water samples with similar static conductivity but different ion compositions are distinguished through the thermal pulse excitation test. The performance application layer converts the analysis results into a multi-dimensional characteristic fingerprint radar chart and a performance evaluation report. The system is also provided with an adaptive correction module, which can automatically correct the judgment criteria when deployed across regions.

The invention relates to a method for in-situ removal of halide ions in ionic liquid, and belongs to the field of organic chemical separation and purification. Ionic liquid is a novel green medium composed of organic cations and inorganic / organic anions and is widely applied to the fields of chemical engineering, energy, materials and the like, halogen ions are introduced during synthesis of part of ionic liquid, product purification is difficult, the synthesis cost is too high, and industrial application of the ionic liquid is restricted. Therefore, high-efficiency removal of the halide ions in the ionic liquid is crucial. The invention discloses a method for in-situ removal of halide ions in an ionic liquid in a synthesis process, alcohol and an acid solution are used as reaction raw materials, an ionic liquid product and alkyl halide are formed in a reaction process, and efficient removal of halide ions in a reaction system is realized in a manner of removing alkyl halide under reduced pressure.

The present application relates to a kind of ionic liquid corrosion inhibitor and preparation method and application, the ionic liquid corrosion inhibitor is composed of N, N-alkyl secondary ammonium cation and dodecyl benzene sulfonic acid anion, with the general structure shown in the following figure.The ionic liquid corrosion inhibitor is added to mineral oil as oil-soluble corrosion inhibitor, can prevent the corrosion of steel material in hot and humid atmosphere environment.The ionic liquid corrosion inhibitor has the characteristics of good oil solubility, stable micellar structure and high corrosion inhibition efficiency, and can be used as a key rust-preventing component in new anti-rust oil.The oil-soluble surface-active ionic liquid corrosion inhibitor based on N, N-alkyl-sec-ammonium ion and dodecyl benzene sulfonic acid ion proposed in the present application has the characteristics of green, non-toxic, good oil solubility and high corrosion inhibition efficiency.

The invention provides a method for reducing the dosage of a neutralizing auxiliary agent in acid leaching slurry. The method comprises the following steps: adding a composite dispersant into the acid leaching slurry to obtain pretreated slurry; adding a neutralizing auxiliary agent into the pretreated slurry, and carrying out primary neutralization; adding a composite catalyst into the slurry subjected to primary neutralization, and carrying out catalytic auxiliary neutralization; and supplementing a neutralizing auxiliary agent for secondary deep neutralization to obtain the target acid leaching slurry. According to the method, ion composition and particle characteristics of the acid leaching slurry are adjusted through pretreatment, a sectional type neutralization process and a catalytic auxiliary means are combined, and a neutralization reaction process is enhanced by adopting mechanochemistry, so that on the premise that the pH value of the slurry reaches the standard and a subsequent separation process is stable, the dosage of a neutralization auxiliary agent is remarkably reduced, and compared with a traditional method, the method has the advantages that the cost is reduced; according to the method, the using amount of the neutralizing auxiliary can be reduced by 30%-50%, the yield of the neutralizing slag is reduced by 15%-50%, meanwhile, the leaching rate and the follow-up recovery efficiency of target metal are not affected, and remarkable economic and environment-friendly benefits are achieved.

This invention discloses a magnetic resonance imaging (MRI) contrast agent for targeted detection of collagen molecular structural denaturation, its preparation method, and its application. The general chemical formula of this MRI contrast agent is: [X] m -L-(GfO) n Among them, (GfO) n [n] is a collagen hybrid peptide, where n is a positive integer between 6 and 12; L is a linker, comprising amino acids and / or amino acid derivatives; [X] is a paramagnetic metal complex, composed of a chelating agent and paramagnetic metal ions; m represents the number of paramagnetic metal complexes, where m is a positive integer between 1 and 12. The magnetic resonance contrast agent of this invention can target and detect degenerated collagen, exhibiting higher lesion specificity and detection sensitivity compared to conventional targeted contrast agents that rely on differences in collagen content for imaging. Furthermore, this magnetic resonance contrast agent can significantly enhance the magnetic resonance signal of damaged and degenerated cartilage, Achilles tendon, and abdominal aortic aneurysm, facilitating the early diagnosis of collagen degeneration-related diseases.