147 results about "Ionic compound" patented technology

The invention relates to the technical field of plastic films, and provides a degradable plastic film and a preparation method thereof.The mode that microorganisms are placed between an inner layer film and an outer layer film in advance is adopted, auxiliary degradation of the degradable plastic film after use is achieved, the meeting and matching links of the degradable plastic film and the microorganisms in the external environment are reduced, and the degradation efficiency of the degradable plastic film is improved. The degradable plastic film is good in degradation environment matching performance and shorter in degradation period and comprises an inner-layer film and an outer-layer film, the inner-layer film and the outer-layer film are formed in a heating and rolling mode, a plurality of film-closing-free areas are arranged between the inner-layer film and the outer-layer film, microbial carriers are arranged in the multiple film-closing-free areas, and the microbial carriers are arranged between the inner-layer film and the outer-layer film. The inner layer film and the outer layer film are both formed by casting matrix plastic, and the matrix plastic is prepared from the following raw materials in parts by weight: 55 to 68 parts of polyvinyl chloride, 40 to 50 parts of polylactic acid, 22 to 28 parts of polyvinyl acetate, 15 to 20 parts of plant straw, 7 to 10 parts of ionic compound, 11 to 14 parts of flexibilizer, 14 to 20 parts of coupling agent and 13 to 16 parts of strength additive.

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 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 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.

The present invention provides a nanoscale MOF with pH-responsive function for targeted dual-drug thrombolysis and a preparation method thereof. Hollow mineralized nanoscale calcium carbonate powder is mixed with γ-cyclodextrin and a potassium ion compound, ultrasonically dispersed, and then incubated to form a cyclodextrin MOF embedded with calcium carbonate. An RGD polypeptide is grafted onto the surface of the cyclodextrin MOF embedded with calcium carbonate to obtain MOF-RGD. The grafted MOF-RGD is impregnated into ethanol containing an anticoagulant drug, air-dried, and then mixed with a thrombolytic drug, so that the thrombolytic drug is loaded on the surface of the nanoscale MOF to obtain a pH-responsive targeted nanoscale MOF. The present invention forms a nanoscale MOF with a targeted function, which combines thrombolysis and anticoagulation, and realizes the treatment and prevention of deep vein thrombosis.

Provided are a resist top coating composition and a method of forming a pattern using the same. The resist top coating composition includes a copolymer including a first structural unit represented by Chemical Formula M-1 and a second structural unit represented by Chemical Formula M-2; a photoacid generator; and a solvent, in which the photoacid generator is a nonionic compound including an organic sulfonate group or an ionic compound including, as an anion, at least one selected from the group consisting of a conjugated base of an inorganic acid and a conjugated base of an organic sulfonic acid.

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.

Provided are: an ionic compound having an anion structure represented by formula 1; and a composition, a functional material, and a silver halide photosensitive material or a diffusion-transfer-type silver halide photosensitive material containing the ionic compound. In formula 1: w represents an integer of 1 or more; x represents an integer of 2 or more; Sil1 represents a substituent containing at least three Si atoms, wherein a plurality of Sil1 may be the same or different; L1 represents a divalent linking group, wherein a plurality of L1 may be the same or different; and R represents an (x + w)-valent organic group containing a carbon atom.

A system for separating and concentrating ionic compounds in a sample is provided herein. In some embodiments, a system includes at least one sample separation device, a flexible holder having a plurality of slots, wherein each slot is configured to have a sample separation device inserted therein, wherein the at least one sample separation device is inserted into a slot of the flexible holder; and an electrode for applying a voltage to the device, wherein the at least one sample separation device comprises a separation portion, a first storage portion, and a second storage portion, wherein the first and second storage portions are positioned on opposing sides of the separation portion, wherein the separation portion is folded at a predetermined interval to form two or more discrete base units.

The present invention discloses a surface protective film, an optical component, and an electronic component, belonging to the technical field of protective films. A urethane adhesive composition comprises at least a urethane prepolymer and an antistatic functional agent; the antistatic functional agent comprises an ionic compound and a surfactant, wherein the addition ratio of the ionic compound to the surfactant satisfies the following: 2 ≤ ionic compound / surfactant ≤ 50; the urethane prepolymer is obtained by reacting a first polyol with an organic polyisocyanate compound, wherein the first polyol comprises a polyether polyol and a polyester polyol, wherein the addition ratio of the polyether polyol to the polyester polyol satisfies the following: 5 ≤ polyether polyol / polyester polyol ≤ 50. The present invention solves the problem of ionic compound precipitation by utilizing a specific addition ratio of the polyether polyol to the polyester polyol. This, in conjunction with the specific addition ratio of the ionic compound to the surfactant, ultimately achieves a balance between low peeling charge voltage and low ion precipitation concentration in the surface protective film.

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.

Provided are: a polarizing film with a pressure-sensitive adhesive layer, the polarizing film being capable of exhibiting both highly reliable antistatic properties and excellent corrosion resistance; and an optical device including the polarizing film with a pressure-sensitive adhesive layer.　A polarizing film with a pressure-sensitive adhesive layer according to an embodiment of the present invention comprises a pressure-sensitive adhesive layer and a polarizing film. The pressure-sensitive adhesive layer is made of a pressure-sensitive adhesive formed from a pressure-sensitive adhesive composition. The pressure-sensitive adhesive composition comprises a base polymer and an ionic compound, wherein the ionic compound comprises a cationic species and an anionic species, the anionic species being at least one anion selected from the group consisting of borate anions and dicyanamide anions.

The invention discloses an additive for a sodium-ion battery, a non-aqueous electrolyte and the sodium-ion battery, and belongs to the technical field of sodium-ion batteries. The additive has a ring-opening cyclic structure and a medium-carbon-carbon double-bond structure, substituent groups in the general formula of the additive can be hydrogen, fluorine, amino, substituted or unsubstituted C1-C5 alkyl, aryl, thiophene or derivative groups thereof, and the additive can further comprise alkali metal ions to form an ionic compound; the additive can be complexed with HF in an electrolyte, corrosion of HF to a positive electrode material is inhibited, and dissolution of transition metal ions is reduced; meanwhile, a nitrogen-rich stable SEI film is formed on the surface of the electrode through polymerization, the chemical and thermal stability of an electrolyte interface is improved, and rapid migration of sodium ions is promoted; the additive is introduced into an electrolyte formed by a non-aqueous organic solvent and a conductive sodium salt to prepare a sodium ion battery, and the cycle performance and the capacity retention rate of the sodium ion battery in normal-temperature and high-temperature environments can be remarkably improved.

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.

A wound irrigation system includes a first fluid including an ion rich compound having free available ions; and a second fluid including an oxidation-reduction potential increasing compound, the second fluid housed separately from the first fluid. Mixing the first and second fluids in a charging area forms an ionically charged fluid with an oxidation-reduction potential higher than a wound site oxidation-potential. The ionically charged fluid increases antimicrobial activity of the wound upon application.

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 discloses a silicon wafer polishing composition and its application. The silicon wafer polishing composition uses silica sol as a polishing abrasive, an organic base as a rate promoter, and an aryl positive ion compound and a water-soluble modified silicone oil are added. By simultaneously adding an aryl positive ion compound and a water-soluble modified silicone oil to the silicon wafer polishing composition, the present invention can quickly remove the corrosion products on the surface of the silicon wafer, reduce the corrosion residue on the surface of the silicon wafer, lower the etching rate of the silicon wafer surface, and is more conducive to subsequent cleaning.

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):