22 results about "Ionic compound" patented technology

There is a process for the preparation of polypropylene carbonate having the step of copolymerization of propylene oxide and carbon dioxide (CO2) in the presence of a catalytic system including:at least one catalyst selected from complexes of a transition metal having general formula (I):at least one co-catalyst selected from:(a) ionic compounds having general formula (II):and(b) ionic compounds having general formula (III):

The application discloses a high-conductivity and deep-low-temperature high-thermal-conductivity carbon film resistant to high-low temperature frequent alternation, characterized by comprising a carbon film body, the carbon film body serving as an electron donor, the carbon film body being composed of multiple layers of graphene sheet layers, a molybdenum chloride layer being inserted between two adjacent graphene sheet layers, and the molybdenum chloride layer being inserted between the graphene sheet layers in the form of an ionic compound and serving as an electron acceptor. The thermal conductivity of the carbon film can be as high as 4.6 times that of an original carbon film at deep low temperature. The carbon-based thermal-conductivity film has wide application prospects in the field of heat dissipation under extreme temperature such as aerospace and deep-sea exploration.

Process for devulcanization of vulcanized elastomers, comprising the following steps: A. preparing an aqueous mixture of vulcanized elastomers with a devulcanization composition, obtained by: i) mixing urea and at least one dicarboxylic acid in an aqueous solvent at a temperature higher than 40°C for a time comprised between 3 and 8 hours, to obtain an aqueous mixture comprising devulcanization ionic compounds; and ii) adding a plasticizer to said aqueous mixture from step i), to obtain a devulcanization composition; B. carrying out a devulcanization reaction, by subjecting the aqueous mixture from step A to a state of stress, thereby obtaining a devulcanized product.

A method of forming a microelectronic structure on a substrate is disclosed. The method includes applying an underlayer forming composition to an uppermost intermediate layer of a lithography stack, if present, or to the substrate to form an underlayer. The underlayer forming composition includes a pre-ionic compound that generates an ionic compound, moiety, or both during post-application bake. The pre-ionic compound can include, for example, a copolymer having glycidyl methacrylate and 4-vinylpyridine. An EUV-sensitive photoresist comprising a metal-oxide is applied directly on an upper surface of the underlayer. EUV lithography is then performed. This method can be used to achieve dose reduction compared to prior art methods of EUV lithography using metal-oxide containing photoresists. Various underlayer forming compositions for performing EUV lithography using a metal-oxide-containing resist are also disclosed.

The application discloses an ionic compound film and a preparation method and application thereof. 4,4'-dipyridine is used as a molecular main body, different halogenated hydrocarbons are used as reaction raw materials, methyl, ethyl or benzyl groups are respectively introduced at the ends of molecules, and sodium tetrafluoroborate or ammonium tetrafluoroborate is used as a reactant to perform an anion exchange reaction on the ionic compound, so that ionic compounds with different structures are obtained. Then, the ionic compound is dissolved in a solvent, and an electrophoretic deposition is used to form a film on the surface of a conductive substrate. Finally, the three ionic compounds are prepared into a memory device with a sandwich structure, and the application of the ionic compound film as multi-radix information storage is provided. By simply adjusting the steric hindrance of the end groups, different information storage performances can be realized, which is simpler and faster than a complex and tedious structure design idea.

The application discloses a dopamine in-situ growth ZIF-8 dye / salt separation loose nanofiltration membrane and a preparation method thereof, and comprises the following steps: preparing a Tris buffer solution by taking a Tris buffer solution as a solvent and an alcohol-water mixed solution; preparing a precursor solution by adding dopamine, polyethyleneimine and a metal ion compound into the buffer solution; depositing the precursor solution on a polysulfone membrane surface; dissolving 2-methylimidazole in the alcohol-water mixed solution and then depositing the 2-methylimidazole on the polysulfone membrane surface; pouring off the excess solution, drying the membrane and then storing the membrane in deionized water to obtain a filter membrane. The nanofiltration membrane prepared by the application can intercept dyes and almost completely pass bivalent inorganic salts, and can fully separate a mixed solution of Congo red, methyl blue and sodium sulfate. Meanwhile, the application is simple in operation, can be popularized to various material substrates, and has great application value and development prospect.

The present invention provides a sensitizing or radiation-reducing resin composition that has excellent roughness performance and can suppress the occurrence of defects in the pattern when forming ultrafine patterns (e.g., line and space patterns of 30 nm or less, or hole patterns with a hole diameter of 30 nm or less). The sensitizing or radiation-reducing resin composition comprises (A) a resin having a repeating unit having an aromatic ring having a halogen atom or an organic group having a halogen atom and a halogen atom-free substituent, and (Y) an ionic compound (Y) having a halogen atom in a cationic portion, wherein the content of the ionic compound (Y) is 5.0 mass% or more with respect to the total solid content of the composition.

Provided are a power generation method and a power generating element capable of obtaining an electromotive force by utilizing humidity variation in an environment and having excellent operation stability. An aqueous solution of an ionic compound having deliquescence is separated by an ion permeable membrane, electrodes are inserted into the aqueous solution on both sides of the ion permeable membrane, one is blocked from outside air and sealed, and the other is connected to the outside air, and a difference in ion concentration derived from the ionic compound in the aqueous solution is generated across the ion permeable membrane due to a change in humidity in the outside air to generate an electromotive force between the electrodes.

This invention discloses an electrochemical in-situ monitoring device and method based on fluorescence microscopy. By combining a fluorescence microscope and an electrochemical workstation, and utilizing ionic compounds with fluorescent functional groups covalently linked to cations or anions as electrolyte components, the fluorescence microscope can detect the evolution of interfacial microstructures during electrochemical reactions in situ. The method of this invention is applicable to various electrochemical processes, such as electrochemical deposition, electrochemical corrosion, and electrochemical synthesis, and can monitor the microscopic evolution of electrochemical interfaces in real time under changes in time, potential, reactant concentration, and environmental conditions. Using this invention, the electrostatic shielding effect on the micro-interface can be directly observed, which contributes to a deeper understanding of the electrochemical reaction mechanism.

The present application provides a novel organic compound and an organic ionic compound having excellent light absorption properties. The organic compound of an embodiment of the present application has a structure represented by the following formula (1). In formula (1), R 1 represents at least one selected from a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, and a substituted or unsubstituted phenyl group; R 2 represents at least one selected from a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkylcarbonyl group having 1 to 4 carbon atoms, a substituted or unsubstituted phenyl group, a substituted or unsubstituted benzoyl group, and a carboxymethyl group; and X represents an organic group having a heterocyclic skeleton containing at least one oxygen atom, nitrogen atom, or sulfur atom in the ring.

This invention discloses a water-based treatment agent for improving the zirconization properties of high-strength pickled steel, which contains the following active ingredients: a nitrate ion compound, wherein the molar concentration of nitrate ions is 0.02-0.6 mol / L; a metal ion compound, wherein the metal ion is at least one of Fe ions, K ions, Na ions, Cu ions, and Zn ions, and the molar concentration of the metal ion is 0.004-0.03 mol / L; an organic acid, wherein the molar concentration is 0.01-0.5 mol / L; and a surfactant, wherein the molar concentration is 0.002-0.03 mol / L.

A method for treating the surface of a metallic material (210). The method comprises an anodizing step (104), in which a metal oxide layer (220) is formed on the surface of the metallic material. The method comprises a sealing step (112) comprising reacting the metallic material (210) with a first nickel free solution to form a sealing layer (240) at a temperature of at least 15 degrees Celsius for at least 3 minutes. The first nickel free solution comprises an aqueous solution containing at least one of a lithium ion compound, a sodium ion compound, a potassium ion compound, and an ammonium ion compound. The method comprises a coating step (118) comprising applying a second nickel free solution to the sealing layer (240) at a temperature of at least 85 degrees Celsius for at least 10 minutes to form a coating (250). The second nickel free solution comprises an aqueous solution containing at least one of a lithium ion compound, a sodium ion compound, a potassium ion compound, and an ammonium ion compound.

The present invention relates to an electrode additive, a negative electrode for a lithium secondary battery containing the same, and a method for manufacturing a negative electrode for a lithium secondary battery. The electrode additive of the present invention can mitigate damage caused by volume changes in the negative electrode active material and improve the phenomenon of energy density reduction in the battery without a decrease in electrode density. Furthermore, it can dissociate into alkaline cations and carbon-based anions in the electrolyte like an ionic compound, replenish the loss of cations in the electrolyte, and significantly improve capacity maintenance performance.

One embodiment of the present invention relates to a charge transport material containing: an ionic compound having an ion interaction energy of 120 kcal / mol or less; and a charge transport polymer having a polymerizable functional group.

This invention belongs to the field of hydrogel preparation. It discloses a mid-internal phase Pickering emulsion gel, its preparation method, and its applications. The gel comprises glycyrrhizic acid, a cationic compound, an oil phase, and water. The glycyrrhizic acid in the emulsion gel is 0.7-1.5 wt% by weight (based on available glycyrrhizic acid); the cationic compound is 0.1-0.5 wt% by weight, and is selected from at least one of lysozyme, polylysine, zinc chloride, calcium chloride, or magnesium chloride; the oil phase has a volume fraction of 30%-70%. This invention achieves efficient gelation under mid-internal phase conditions through electrostatic bridging of low-concentration glycyrrhizic acid and trace amounts of cations, overcoming the dependence of traditional techniques on high-concentration emulsifiers, composite systems, or high oil phases.

There are provided a method and a system for measuring an ionic concentration of an ionic compound present in a soil. The method includes extracting a sample from the soil; once the sample is at least partially dried, filtering the sample to obtain a filtered sample; mixing the filtered sample with a liquid to obtain a sample solution; filtering the sample solution to obtain a filtered sample solution; and determining an ionic concentration of the ionic compound. The system includes a mixing and extraction module configured to circulate a fluid; a filter configured to receive a soil sample and produce a filtered sample solution through a plurality of holes; and a chamber surrounding the filter, the chamber being configured to receive the filtered sample solution from the filter. The system includes a flow control module and an analysis module configured to characterize a property of the filtered sample solution.

The present invention provides a use of a hydraulic composition foaming agent for a hydraulic composition, the hydraulic composition foaming agent being capable of being easily removed by washing when the foaming agent adheres to equipment for producing a bubble-containing hydraulic composition. Provided is a use of a hydraulic composition foaming agent for a hydraulic composition, the hydraulic composition foaming agent containing at least one surfactant (A) which is selected from anionic, cationic, and amphoteric surfactants that have a hydrocarbon group containing 8-30 carbon atoms, a non-ionic compound (B) which has LogP of 0-7.0, and an organic compound (C) which has LogP of not less than -5.0 but less than 0. In the hydraulic composition foaming agent, the content of the component (A) is 10-50 mass%, the content of the component (B) is 1-10 mass%, and the content of the component (C) is 1-20 mass%.

This invention discloses a non-aqueous electrolyte and a secondary battery comprising the non-aqueous electrolyte. The non-aqueous electrolyte of this invention comprises a lithium salt, a non-aqueous organic solvent, and an additive. The additive includes a first additive having the structure shown in Formula I, wherein M... + Selected from heterocyclic ononium cations containing tertiary amine nitrogen, aliphatic tertiary amine ononium cations, or N,N-dialkyl-substituted amide ononium cations, Q ‑ It contains fluorine-containing anionic groups. The non-aqueous electrolyte of this invention, due to the inclusion of ionic compounds with special structures, can effectively improve the electrochemical performance of secondary batteries, especially high-rate cycling performance and low-temperature discharge performance.

A method of forming a microelectronic structure on a substrate is disclosed. The method includes applying an underlayer forming composition to an uppermost intermediate layer of a lithography stack, if present, or to the substrate to form an underlayer. The underlayer forming composition includes a pre-ionic compound that generates an ionic compound, moiety, or both during post-application bake. The pre-ionic compound can include, for example, a copolymer having glycidyl methacrylate and 4-vinylpyridine. An EUV-sensitive photoresist comprising a metal-oxide is applied directly on an upper surface of the underlayer. EUV lithography is then performed. This method can be used to achieve dose reduction compared to prior art methods of EUV lithography using metal- oxide containing photoresists. Various underlayer forming compositions for performing EUV lithography using a metal-oxide-containing resist are also disclosed.

The present invention provides an ionic compound including a molecular cation and a molecular anion, wherein the molecular cation includes at least one organic ammonium selected from the group consisting of a primary organic ammonium, a secondary organic ammonium, and a tertiary organic ammonium, wherein the organic ammonium has an organic moiety having 1 to 20 carbon atoms, and wherein the molecular anion includes a fluorine-containing bis(sulfonyl)imide.

The application relates to a multi-stage filtering device for essence production, and relates to the technical field of essence processing equipment, which comprises a filtering assembly, the filtering assembly comprises a plurality of connecting sleeve pipes which are closely connected in sequence, filtering components are arranged in the plurality of connecting sleeve pipes, the plurality of filtering components are respectively pre-filtering components for filtering large solid particles, fine-filtering components for filtering fine impurities, ultra-filtering components for filtering macromolecular substances with diameters greater than 0.05 microns, and nanofiltration components for removing salt and other ionic compounds in solutes, and a backwashing assembly for regularly flushing the internal filtering components is arranged on one side of the filtering assembly. The application can filter impurities in liquid through step-by-step grading, and is beneficial to improving the purity of filtered essence.