94 results about "Ionic compound" patented technology

The invention belongs to the technical field of semipermeable membrane preparation, and particularly relates to a preparation method of a nanofiltration membrane. The preparation method comprises the following steps: (1) cleaning the supporting layer for later use; the preparation method comprises the following steps: blending diamine, an amino beta-cyclodextrin derivative, an inorganic hybridizing agent, a zwitterionic compound and water to obtain a water phase for later use; blending aromatic acyl chloride, a cosolvent and an organic solvent to obtain an oil phase for later use; and (2) sequentially carrying out primary impregnation in a water phase, membrane scraping, secondary impregnation in an oil phase and heating curing on the supporting layer, and finally carrying out post-treatment to obtain the nanofiltration membrane. The nanofiltration membrane is prepared by introducing the amino beta-cyclodextrin derivative, the inorganic hybridization agent and other components into polyamide, so that the water flux of the polyamide nanofiltration membrane and the capability of effectively separating ions with different valence states are further improved.

A slurry for electrochemical mechanical polishing of semiconductor workpieces (e.g., silicon carbide semiconductor wafers) is provided. In one example embodiment, the slurry contains a solvent an abrasive particle, and an ionic compound. The ionic compound contains a cation and an anion. One or more of the cation or the anion is bonded to the abrasive particle, for instance, with a functional group or other bonding.

The application belongs to the field of catalytic synthesis of fine chemical products, and particularly relates to an ionic compound and a method for catalytically synthesizing cyclic carbonate. The application provides an ionic compound, which comprises an anion as shown in formula (I) or formula (II); wherein X is selected from O, S and Se, and the value of L is 0 or 1; the anion in the ionic compound has suitable nucleophilicity and leaving property, can be combined with other active positive ions or metal ions to form a catalytic system with good solubility, and is particularly suitable for being used in a cycloaddition reaction involving carbon dioxide. Meanwhile, the application further provides a catalytic method for synthesizing cyclic carbonate, which uses a catalytic system containing the ionic compound, so that cyclic carbonate can be synthesized in a solvent-free, low-halogen or halogen-free, low-catalyst-amount and mild reaction condition mode with high efficiency, high conversion rate and high chemical selectivity.

The application discloses a synthesis method and a reaction system of an aromatic amine compound. The synthesis method of the aromatic amine ionic compound comprises the following steps: in a continuous flow reactor, carrying out a nucleophilic substitution reaction on water, an ionic compound A and a nitrogen source Y to obtain the aromatic amine ionic compound. The preparation method has the characteristics of short reaction time, simple and safe operation and no amplification effect.

The invention deals with a composition comprising a liquid carrier, which is liquid at a temperature of 23 °C, a block co-polymer comprising at least one block (A) wherein block (A) comprises at least one amide group and at least one block (B) having no amide groups, dissolved in the liquid carrier, wherein block (A) does not contain aromatic groups, and an ionic compound, wherein the ionic compound comprises at least one of CaCl2, MgCl2, SrCl2, ZnCl2, carbamimidoylazanium chloride, NaSCN, NaBr, dissolved in the liquid carrier.

Glycerophosphoinositol (GPI) is used in preventing and treating COVID-19 infections. An environmentally sustainable method is for obtaining glycerophosphoinositol. In particular, a process for preparing glycerophosphoinositol from crude or partially purified phospholipid mixtures, includes in sequence: a) hydrolysis of a crude or partially purified phospholipid mixture by treatment with PLA1 and PLA2 enzymes; b) microfiltration of the mixture from step a) and subsequent ultrafiltration and nanofiltration of the microfiltrate to give a concentrated aqueous fraction of reaction products; c) electrodialysis of the aqueous fraction of step b) for separating ionic compounds from neutral compounds; d) ion exchange chromatography. Moreover, glycerophosphoinositol is used in preventing and treating a COVID-19 syndrome.

A ZIF-derived zinc-cadmium sulfide photocatalyst, its preparation method, and its application are disclosed. The catalyst, by molar fraction, comprises: 35-50% 2-methylimidazole; 0-7.7% divalent cadmium ion compound; 0-7.7% divalent zinc ion compound; 7-10% thioacetamide; and 35-50% amines. The preparation method involves: preparing a 2-methylimidazole solution and a cadmium-zinc mixed solution separately; then preparing a ZIF precursor solution with cadmium and zinc as the central metals; adding thioacetamide to the precursor solution; transferring the solution to a polytetrafluoroethylene liner and hydrothermally treating it; finally collecting the hydrothermally treated solution, centrifuging, washing, drying, and grinding to obtain the ZIF-derived zinc-cadmium sulfide photocatalyst. The catalyst prepared by this invention has a large specific surface area and exhibits significant catalytic effects in photocatalytic water splitting for hydrogen production. Furthermore, the catalyst has a stable structure and can be recycled for a long period without a significant decrease in the hydrogen production rate.

The present invention relates to a method for monitoring chloride content in porous materials, preferably in reinforced concrete structures, in which a voltammetric sensor comprising a metal electrode is used, characterised in that the electrode metal forms poorly soluble ionic compounds with chlorides and a potentiodynamic excitation signal is applied to the electrode, causing an oxidation-reduction process to take place that favours the formation of the poorly soluble ionic compounds. The formation of the poorly soluble ionic compounds produces a response in the form of electric current intensity that is related to the chloride content in the monitored material.

The invention discloses a novel environment-friendly extreme pressure lubricant, which relates to the technical field of petrochemical industry, and is composed of an ionic compound generated by a neutralization reaction and / or electrostatic interaction between phytic acid and alkyl tertiary amine. Compared with the prior art, the novel environment-friendly extreme pressure lubricant has the beneficial effects that 1, the novel environment-friendly extreme pressure lubricant is simple in preparation method and small in odor effect, and has a corrosion inhibition effect on nonferrous metals; 2, compared with most good extreme pressure lubricants in the market, the friction coefficient is small under the condition of the same addition amount, the tested four-ball friction spot trace is not obvious, and the shape is relatively round (close to a circle); and 3, the novel environment-friendly extreme pressure lubricant has good dissolution and dispersibility in fully synthetic cutting fluid, micro-emulsion cutting fluid, semi-synthetic cutting fluid, emulsified cutting fluid, cutting oil and lubricating oil, and is a water-based and oil-based universal lubricant product.

A composition is provided comprising an organic ionic compound comprising at least one C = C double bond, a polythiol compound comprising a plurality of thiol groups, and a bridging compound comprising a plurality of C = C double bonds. A composite material, a method of forming the composite material, and an electrochemical device comprising the composite material are also provided.

The present disclosure provides an electrolyte composition containing a polymer (A) having an anionic functional group and an alkali metal ion which is a counter cation of the anionic functional group, an ionic compound, and a nonionic organic solvent, the electrolyte composition having an energy at which lithium ions dissociate from the anionic functional group of 150 kcal / mol or more.

The invention provides an etching liquid composition for a 4mask process of an IGZO (Indium Gallium Zinc Oxide) film layer and application of the etching liquid composition. The etching liquid composition comprises a main agent and an auxiliary agent, the main agent comprises hydrogen peroxide, inorganic acid, a sulfonic acid compound, amino acid, an F ionic compound, organic alkali, a stabilizer and a metal corrosion inhibitor; and the auxiliary agent comprises the following components in parts by weight: inorganic acid, a sulfonic acid compound, amino acid, an F ionic compound, a stabilizer and a metal corrosion inhibitor. According to the formula, it is guaranteed that the copper layer, the molybdenum alloy layer and the IGZO layer are evenly etched under the same condition, the matched etching rate is achieved, and therefore the metal interface layer with the excellent morphology is obtained. According to the etching solution, a mask process can be reduced, the IGZO layer and the S / D layer can be etched at the same time, and the etched TFT device is large in line width and stable in performance and has wide application prospects and huge commercial value.

An electrolyte solution comprising: an ionic salt compound represented by chemical formula 2; and (ii) an electrolyte solution comprising an electrolytic solvent, wherein the ionic salt compound content is 20-50 weight parts relative to 100 weight parts of the electrolyte solution, and the electrolytic solvent is acetonitrile, glutaronitrile (GN), or a mixture thereof.

The present invention relates to a composition comprising a liquid carrier that is liquid at a temperature of 23 DEG C, a urea component having a number average molecular weight Mn of between 400 g / mol and 30,000 g / mol dissolved in the liquid carrier, and an ionic compound dissolved in the liquid carrier wherein the ionic compound comprises at least one of CaCl2, MgCl2, SrCl2, guanidine hydrochloride, NaSCN, NaBr.

The present disclosure provides an electrolyte composition containing a polymer having an ability to preferentially conduct alkali metal ions and an ionic compound, the ionic compound containing an anion having a donor number of 37 or less as measured with respect to a 1-ethyl-3-methylimidazolium salt.

The invention belongs to the field of hydrogel preparation, and discloses a middle-internal phase Pickering emulsion gel and a preparation method and application thereof, the middle-internal phase Pickering emulsion gel comprises glycyrrhizic acid, a cationic compound, an oil phase and water; in terms of effective glycyrrhizic acid, the weight percentage of the glycyrrhizic acid in the emulsion gel is 0.7-1.5 wt%; the weight percentage of the cationic compound in the emulsion gel is 0.1-0.5 wt%, and the cationic compound is selected from at least one of lysozyme, polylysine, zinc chloride, calcium chloride or magnesium chloride; the volume fraction of the oil phase is 30%-70%. According to the invention, the low-concentration glycyrrhizic acid and trace cations are subjected to electrostatic bridging to realize high-efficiency gelation under the condition of middle and inner phases, and the dependence of the traditional technology on a high-concentration emulsifier, a composite system or a high oil phase is broken through.

The present application relates to a kind of mesoionic compound and its preparation method and application;Specifically, the present application relates to the mesoionic compound shown in formula (I) or the stereoisomer of the mesoionic compound shown in formula (I), nitroxide and its salt, and the preparation method of such mesoionic compound, and the use of such mesoionic compound and the composition comprising such mesoionic compound as insecticide in agriculture, and the method for preventing and treating pests using these compounds or compositions;Wherein, R 1 , R 2 , R 3 , R 4 , R 5 And R 6 It has the meaning described in the present application.

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.

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 invention relates to the technical field of electronic materials, in particular to conductive silver paste for a BC battery, a preparation method and the BC battery, and the conductive silver paste comprises the following components in percentage by weight: 88-93 wt% of silver powder, 3-5 wt% of glass powder, 1-3 wt% of organic resin, 6-10 wt% of solvent and 0-1 wt% of other auxiliaries, the sum of the components is 100 wt%, the glass powder comprises an alkali metal ion compound and / or a high-content lead oxide. By adding the rubidium ionic compound, the cesium ionic compound and the high-content lead oxide, the conflict between the softening point and acetic acid resistance of the glass powder can be balanced, so that the problem of high acetic acid attenuation rate of a BC battery is completely or partially solved, and meanwhile, the reliability of the BC battery is improved.

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.

The present invention provides an antistatic agent that exhibits excellent antistatic properties and can reduce defects in molded products and coatings. [Solution] An antistatic agent is used that is an ionic compound consisting of a cation (A) and an anion (B), has a melting point of 25 to 180°C, a water content of 0.5% or less, and a halide ion content of 1000 ppm or less, and an antistatic resin composition containing the above antistatic agent and a thermoplastic resin, preferably in which the cation (A) is a quaternary ammonium cation and / or an amidinium cation.

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.

The present application relates to ionic compounds derived from polyamines, compositions thereof, and processes for their preparation. Disclosed herein are cationic or anionic compounds having a plurality of charges, methods of making the same, and articles or compositions including the same. The disclosed multi-charged cationic or anionic compounds are derived from a polyamine through two reactions: an aza-Michael addition reaction with an activated olefin having an ionic group and a ring-opening reaction with an epoxide. The activated olefin has the following formula. The epoxide is an epoxide.

The invention discloses a rare earth doped aluminate nanocrystal capable of emitting light in a near-infrared second region through ultrasonic excitation as well as a preparation method and application of the rare earth doped aluminate nanocrystal. The preparation method comprises the following steps: mixing an alkaline earth metal ion compound, an aluminum ion compound, a rare earth ion compound and a polydentate ligand in water for complex reaction to prepare a metal ion chelate precursor; performing high-temperature solid-phase thermal decomposition reaction on the metal ion chelate precursor, performing surface fat-soluble molecular modification in a thermal solvent, and performing surface hydrophilization modification by adopting an amphiphilic polymer to prepare the rare earth doped aluminate nanocrystal capable of emitting near-infrared second region by ultrasonic excitation. The rare earth doped aluminate nanocrystal is prepared by adopting an amorphous complex high-temperature solid-phase thermal decomposition method, the reaction condition is controllable, the operation is simple, the repeatability is good, the used reagent is cheap and easy to obtain, the rare earth doped aluminate nanocrystal has the property of ultrasonic excitation near-infrared second-region luminescence, and the wavelength can be adjusted within 900-2500 nm.

The application provides a high-strength self-assembled gel foam oil displacement agent and a preparation method thereof, and belongs to the field of chemical oil displacement. The high-strength self-assembled gel foam oil displacement agent is composed of the following components: a ternary amphiphilic hydrophobic association copolymer, a zwitterionic surfactant, a non-ionic surfactant, a heat-resistant polyacid, a counterion compound, a chelating agent and formation water. The self-assembled gel foam oil displacement agent forms four interactions among the molecules of each component, significantly increases the strength of the foaming liquid, produces fine and rich nitrogen gas foam, has good stability, can block large fractures and solution cavities in a fracture-cavity type reservoir, can effectively expand the swept volume, and significantly improves the oil recovery rate of the fracture-cavity type reservoir. The foam agent does not produce precipitation with calcium and magnesium ions, and also does not precipitate due to salt.

The invention provides an anti-PID solar cell module and a preparation method and application thereof, and relates to the technical field of solar cells. Specifically, the solar cell module comprises cover plate glass, an upper-layer packaging adhesive film, a cell piece, a lower-layer packaging adhesive film and a back plate which are connected in sequence; raw materials of the upper-layer packaging adhesive film comprise a passivating agent, and the passivating agent comprises a first component and a second component; the first component comprises an alkaline earth metal ionic compound, and the second component comprises at least one of a quaternary ammonium salt ionic compound, a crown ether compound and a zeolite imidazate skeleton structure material. The passivation agent is added into a conventional adhesive film substrate, sodium ion migration is prevented from the source, the passivation effect is long-acting and reliable, and the passivation agent has good cost and process advantages and has good application prospects.

The invention discloses an ionic polymer adhesive prepared based on PET degradation and a preparation method of the ionic polymer adhesive. The preparation method comprises the following steps: carrying out aminolysis or ester exchange reaction on PET and a small molecule of which one end is provided with amino or hydroxyl and the other end is provided with an organic cation precursor to obtain an intermediate; carrying out ionization reaction on the intermediate and halogenated hydrocarbon to obtain an organic ionic compound; mixing the organic ion compound solution with a salt solution containing target anions for anion exchange reaction to obtain an organic ion monomer compound; and heating the organic ionic monomer compound for polymerization reaction to obtain the ionic polymer adhesive prepared based on PET degradation. According to the preparation method, PET is converted into a small molecule compound through aminolysis / ester exchange reaction, an organic ion monomer compound is prepared through ionization reaction and anion exchange reaction, a three-dimensional polymer network is formed through dehydration polymerization and mutual cross-linking, the adhesive property is excellent, and meanwhile recycling and repeated bonding can be achieved under specific conditions.

To provide a humidity-variation power-generation element having high operational stability with respect to environmental conditions.SOLUTION: The present invention relates to a humidity-variation power-generation element that obtains an electromotive force by using humidity fluctuations in the environment. In both sides of an ion-permeable membrane, an aqueous electrolyte containing an ionic compound having deliquescence is accommodated together with an electrode. On one side of the ion-permeable membrane, the aqueous electrolyte is accommodated in the ion-permeable membrane under a waterproof moisture-permeable film that allows water vapor to pass. On the other side of the ion-permeable membrane, the aqueous electrolyte is accommodated in the ion-permeable membrane under a waterproof and moisture-proof film or wall that blocks at least moisture in the environment. The waterproof moisture-permeable film has flexibility and is provided along the surface of the aqueous electrolyte.SELECTED DRAWING: Figure 2