179 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 invention provides an Org / ZnSO4 electrolyte, a preparation method of the Org / ZnSO4 electrolyte and application of the Org / ZnSO4 electrolyte in a secondary battery. In the Org / ZnSO4 electrolyte, a solute is Org and ZnSO4, and a solvent is deionized water and an organic solvent, or is only deionized water. Org is any one or a combination of more of aromatic organic molecules, nitrogen-containing organic molecules, fluorine-containing organic molecules or ionic compounds. The preparation method of the Org / ZnSO4 electrolyte comprises the following steps: preparing a zinc sulfate aqueous solution and an Org solution; and adding the Org solution into the zinc sulfate aqueous solution, and uniformly stirring to obtain the Org / ZnSO4 electrolyte. The Org / ZnSO4 electrolyte formula prepared by the invention is used as an aqueous zinc ion secondary battery electrolyte for the first time. Compared with the existing electrolyte, the electrolyte shows excellent corrosion resistance, rate capability and cycling stability. In addition, the Org / ZnSO4 electrolyte formula process is simple and easy to control, the controllability and efficiency of the preparation process are greatly improved, the cost is low, and industrial implementation is easy.

The invention discloses a preparation method of a gas sensitive material, a gas sensor and a preparation method of the gas sensor, and relates to the field of sensors. The method comprises the following steps: mixing a hydrofluoric acid solution with an MAX phase material to prepare an MXene solution; the preparation method comprises the following steps: mixing a graphene oxide solution, a tungsten ion compound, ascorbic acid and an MXene solution, so that graphene oxide in the graphene oxide solution is reduced by the ascorbic acid, and an rGO / MXene / WO3 mixed solution is prepared; the rGO / MXene / WO3 mixed solution is subjected to a hydrothermal reaction, and the rGO / MXene / WO3 gas sensitive material is prepared. The invention aims to solve the problem that NO2 cannot be accurately and rapidly detected due to poor gas-sensitive performance of the existing gas-sensitive material.

The invention relates to the field of titanium dioxide photocatalytic water decomposition, in particular to a preparation method of doped rutile titanium dioxide with selective exposure of {101} and {110} crystal faces and low defect concentration. The preparation method comprises the following steps: by taking a titanium elementary substance or a titanium-containing compound as a precursor, adding a heterogeneous metal element compound of which the valence state is lower than positive tetravalence as a morphology control agent and a defect inhibitor, fully mixing with an ionic compound serving as a molten salt medium, carrying out one-step high-temperature heat treatment in an oxidizing or reducing atmosphere, cooling, and washing off the molten salt medium, thereby obtaining the titanium-containing composite material. The rutile-doped titanium dioxide nano or micron particles with specific crystal face selective exposure and low defect concentration are obtained. According to the invention, a specific heterogeneously doped metal element compound is used as a morphology regulating agent and a defect inhibitor, so that the synergistic regulation and control of the microstructure and surface and bulk phase defects of rutile titanium dioxide are realized. Therefore, the separation efficiency of rutile titanium dioxide bulk phase photo-generated charges and the activity of photocatalytic decomposition of water to produce hydrogen are greatly improved.

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.

A liquid lens can include a lens body forming a cavity with a conducting liquid and an insulating liquid disposed therein, the conducting liquid substantially immiscible with the insulating liquid to define an interface between the conducting and insulating liquids. The conducting liquid can include an ionic compound of either a dicyanamide anion and a cation counterion, or a tricyanomethanide anion and a cation counterion, the dicyanamide anion having the formula the tricyanomethanide anion having the formula and the cation counterion is one of an imidazolium, a pyrrolidininium, a piperidinium, a phosphonium, a pyridinium, a pyrrolinium or a sulfonium cation. The ionic compound of the conducting liquid can be N-methyl-N-ethylpyrrolidinium dicyanamide, 1-ethyl-3-methylimidazolium dicyanamide, 1-butyl-1-methylpyrrolidinium tricyanomethanide, or 1-ethyl-3-methylimidazolium tricyanomethanide, among others. The conducting liquid can have transmittance of at least 50% over a thickness of 1 mm for electromagnetic waves having wavelength of 1550 nm.

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.

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

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.