44 results about "Ammonium Cation" patented technology

The invention relates to a fabric flavor enhancer containing ester-based quaternary ammonium salt and a preparation method thereof. The fabric flavor enhancer containing ester-based quaternary ammonium salt comprises the following components: polyethylene glycol, an ester-based quaternary ammonium salt solution, modified silicon dioxide, polyquaternary ammonium salt and the like. The modified silicon dioxide is prepared by the following steps: carrying out a blending reaction on hydroxylated silicon dioxide and KH570 to obtain an intermediate product, then carrying out a blending reaction on triethanolamine, acrylic acid, lauric acid and sodium bromoacetate to obtain an intermediate product 2, and finally polymerizing the intermediate product, the intermediate product 2 and hydroxyethyl methylacrylate. Long alkyl chains, quaternary ammonium cations and hydroxyl are introduced into the modified silicon dioxide, so that organic matters on the surface of the modified silicon dioxide form a net-shaped structure; wherein the long alkyl chain can improve the compatibility; quaternary ammonium cations can neutralize charges and make the fabric softer and more fluffy; hydroxyl can adsorb essence, the antistatic performance and the like can be improved, and in addition, silicon dioxide and a net-shaped structure can further enhance the fragrance of the fabric.

To provide a solid composition useful for various treatments of a hydrogen bonding material such as a biological sample.SOLUTION: A compound of formula (I) Wherein each R independently represents a linear or branched hydroxyalkyl group having one or more hydroxyl groups and an alkyl moiety having 1 to 10 carbon atoms; N represents an integer of 1 to 3. The solid composition contains the organic ammonium salt and a biological sample, wherein the mass ratio of the organic ammonium salt to the biological sample is 10:1 to 0.1:1.SELECTED DRAWING: None

The invention relates to the technical field of polyester fibers, and discloses an antistatic polyester fiber for clothing and a preparation method thereof.The polyester fiber contains an antistatic agent, a wear-resistant functional material and other additives, and the antistatic agent is prepared by modifying quaternary ammonium cations on the surface of graphene oxide; the existence of quaternary ammonium cations can enable the surfaces of graphene oxide particles to carry strong positive charges, so that the graphene oxide particles are separated from one another and are uniformly dispersed in the fiber, and the antistatic performance of the fiber is improved by utilizing the conductive effect of graphene, and the wear-resistant functional material is prepared by modifying a polyester type macromolecular substance on the surface of nano tungsten disulfide; pi-Pi conjugation can be formed between the polyester type macromolecular substance and a PET matrix, and a molecular chain of the polyester type macromolecular substance is intertwined and interwoven with a PET molecular chain, so that the nano tungsten disulfide fully plays a role, the strength of the polyester fiber can be enhanced, and the wear resistance of the polyester fiber can be improved by utilizing the self effect of the nano tungsten disulfide.

The present invention relates to the technical field of production of high-purity quaternary ammonium bases, and provides a method for preparing high-purity adamantyl trimethylammonium hydroxide and a high-purity quaternary ammonium base prepared thereby. The method for preparing high-purity adamantyl trimethylammonium hydroxide comprises the following steps: S1, material preparation: adding adamantyl trimethylammonium chloride into water to obtain an aqueous solution, and then adding an adsorbent thereto to obtain a pretreatment solution, wherein the adsorbent contains stearate ions; S2 electrolysis: adding the pretreatment solution to a raw material chamber of an electrolytic cell for electrolysis, so that adamantyl trimethyl ammonium cations enter a cathode chamber through a cation membrane and combine with hydroxide ions generated by the cathode to form adamantyl trimethylammonium hydroxide, so as to obtain a quaternary ammonium base. The method for preparing high-purity adamantyl trimethylammonium hydroxide has the advantage of improving the quality of the quaternary ammonium base product.

A hydrophilic composition that includes at least one of an organic silicon compound represented by formula (1), a condensate of an organic silicon compound represented by formula (1), and the product of reacting an organic silicon compound represented by formula (1) and metal oxide particles makes it possible to obtain a hydrophilic coating film that has excellent durability. (In the formula, the R1s each independently represent a hydrogen atom, a C1–10 alkyl group, or a C6–10 aryl group, the R2s each independently represent a C1–10 alkyl group or a C6–10 aryl group, X represents a hydrogen atom, a k-valent metal cation, or an ammonium cation, k is 1 or 2, provided that k is 1 when X is a hydrogen atom or an ammonium cation, m is an integer from 1 to 10, inclusive, and n is an integer from 1 to 3, inclusive.)

The present invention provides salts represented by the structure of Formula (I): wherein Q is an ammonium cation; and processes comprising the use of the salts in the preparation of benzodiazepinone compounds, especially bis(fluoroalkyl) derivatives thereof.

The present invention provides a CHA-type zeolite crystallized from a raw material composition containing an N,N,N-trialkylcyclohexylammonium cation as a structure-directing agent, which has a low SiO2 / Al2O3 ratio and can provide a catalyst exhibiting a practical nitrogen oxide reduction rate, a method for producing the same, and at least one of these, a nitrogen oxide reduction catalyst containing the same. [Solution] The present invention provides a CHA-type zeolite having a molar ratio of silica to alumina of less than 13 and a sodium content of 100 ppm to 2000 ppm. Preferably, such a CHA-type zeolite is obtained by a manufacturing method comprising the steps of: crystallizing a composition containing at least an N,N,N-trialkylcyclohexylammonium cation, an alumina source, a silica source, a sodium source, and water, wherein the molar ratio of silica to alumina is 20 or less and the molar ratio of potassium to sodium is less than 0.05 to obtain a crystalline product; removing the N,N,N-trialkylcyclohexylammonium cation from the crystalline product; and contacting the crystalline product with an ammonium salt-containing solution having an ammonium concentration of 1% by mass or more.

The application discloses activated carbon for reducing content of chlorate in water and a preparation method thereof, and belongs to the technical field of wastewater treatment. The application sequentially constructs a chlorinated glycidyl trimethyl ammonium cation layer for electrostatic adsorption of chlorate and a nano zero-valent iron functional layer for chemical reduction of the chlorate on the coconut shell activated carbon through bridging action and chemical grafting of polydopamine, forms a unique 'adsorption-degradation' integrated structure, greatly improves the treatment efficiency, ensures stability of functional components through chemical bonding, avoids secondary pollution, and has remarkable social, economic and environmental benefits.

The application relates to the technical field of oilfield exploitation, and discloses a solid-phase-free drilling fluid containing polysaccharide as well as a preparation method and application of the drilling fluid. The drilling fluid is prepared by mixing plugging anti-sloughing agents, polysaccharide filtrate reducers and viscosity increasing agents, wherein the plugging anti-sloughing agent is prepared by taking acrylamide, N-vinyl pyrrolidone and a functional monomer as raw materials, and performing emulsion cross-linking polymerization under the action of an initiator; the functional monomer structure contains a large number of quaternary ammonium cations and sulfonic acid groups, and simultaneously contains a biphenyl structure; the quaternary ammonium cations can produce strong adsorption with shale and silt, thereby improving the plugging effect and temperature resistance of the drilling fluid; in addition, the polysaccharide is used as the filtrate reducer of the drilling fluid, and after the polysaccharide is dissolved in water, a high-viscosity colloid can be formed to effectively plug formation pores, reduce filtrate invasion and reduce the filtration loss; in addition, the polysaccharide filtrate reducer can improve the viscosity of the drilling fluid, enhance the rock-carrying capacity of the drilling fluid and improve the cleaning effect of a wellbore.

A process includes the steps of contacting an olefin, an alcohol and a metallosilicate catalyst to form oligomers of an alcohol ethoxylate having structure (I), wherein R1 is an alkyl, R2 is an alkyl, and n has a value of 1 to 3; and sulfating the oligomers of Structure (I) to form oligomers of Structure (II), wherein R1 is an alkyl, R2 is selected from the group consisting of an alkyl group, M is selected from the group consisting of a proton, an ammonium cation, a metal cation, a nitrogen cation, a boron cation, a phosphorus cation, triethylamine, triethanolamine, monoethanolamine and combinations thereof, and n has a value of 1 to 3, and wherein 95 mol % or greater of the oligomers of Structure (II) have an n of 1 and 5 mol % or less of the oligomers of Structure (II) have an n of 2 or greater.

A novel synthetic crystalline borongermanosilicate molecular sieve material, designated boron SSZ-117x, is provided. The boron SSZ-117x can be synthesized using N,N,N,3,5-pentamethyladamantan-1-ammonium cations as a structure directing agent. The synthesis employs a boron pathway to achieve the boron molecular sieve. The boron SSZ-117x may be used in organic compound conversion reactions, such as reforming, and / or sorptive processes.

Provided is a method for liquefying ammonia gas, the method comprising: a step in which ammonia gas is supplied; and a step in which the ammonia gas and a solid ammonium salt react, whereby the ammonia gas liquefies to form liquid ammonia, and the solid ammonium salt decomposes into ammonium cations and anions.

The present invention relates to a milling process comprising the milling of a mineral composition to be milled in the presence of an adjuvant composition comprising at least one polymer (P) of formula (I), wherein: - M independently represents H+ or a cation of valence v selected from an alkali metal cation, an alkaline earth metal cation, a divalent or trivalent metal cation, an ammonium cation, or an organic ammonium cation, - if M = H, v = 1, and if “M” represents a cation, v is the valence of cation M, - R2, R3, R4, and R5 independently represent H, CH3, or –COO(M)1 / v, - m = 0, 1, or 2; p = 0 or 1;X is O, or N, and - R1 represents -[Alkyl-O]z-R6, wherein each “Alkyl” is, independently, a linear or branched C2 to C4 alkylene, R6 represents H, a C1 to C20 alkyl, a cyclohexyl or an alkylaryl, and z ≥ 40, the number of (I) and (II) units in the polymer (P) being defined by a repeating unit (A) comprising a (II) unit and “a” (I) units, with a > 0, n ranging from 1.5 to 50, and the molecular weight of the repeating unit (A) Mw(A) ≤ 6500 g / mol, the mineral composition to be milled comprising from 0% to 80% by weight of clinker, relative to the total weight of the mineral composition to be milled.

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 embodiments of the present disclosure relate to a carbon dioxide absorbent containing an ionic material containing a cyclic ammonium cation and a hydroxide anion. The carbon dioxide absorbent according to an embodiment contains a hydroxide anion having a small molecular weight and high basicity, such that absorption performance per unit volume of the absorbent may be effectively improved. Further, the carbon dioxide absorbent according to an embodiment is soluble in water and thus may not cause layer separation problems.

Disclosed herein is a process for preparing a zeolite material having an AFX framework structure including X2O3 and YO2 via interzeolite conversion, the process including (1) providing a mixture including a first zeolite material having a non-FAU framework structure including X2O3 and YO2 and an organic structure directing agent selected from the group consisting of diquaternary ammonium cation containing compounds, and (2) heating the mixture from (1) to form a second zeolite material having an AFX framework structure including X2O3 and YO2, wherein X is a trivalent element and Y is a tetravalent element, and where the organic structure directing agent is not 1,4-bis(1,4-diazabicyclo[2.2.2]octane)butyl dihydroxide when the first material zeolite has a CHA framework structure. Further disclosed herein is the zeolite material having an AFX framework structure as obtainable or obtained from the process, and a method of using the same as a catalytically active material.

A positive resist composition is provided comprising a base polymer end-capped with a salt consisting of an ammonium cation linked to a sulfide group and a fluorinated anion. Because of controlled acid diffusion, a resist film of the composition forms a pattern of good profile with a high resolution and reduced edge roughness or dimensional variation.

The invention belongs to the technical field of lubricating oil, and particularly relates to a fixed natural gas engine oil composition as well as a preparation method and application thereof. The fixed natural gas engine oil composition is characterized by comprising the following components: base oil, an ionic liquid additive, a clearing agent, an anti-oxidation and anti-wear agent, an antioxidant and an ashless dispersant, and the ionic liquid additive is composed of N-trioctyl hexadecyl ammonium cations and dibutyl dithiophosphate anions. The fixed natural gas engine oil composition provided by the invention is suitable for a natural gas compressor power end of an oil and gas field or a gas storage, has excellent oxidation resistance and wear resistance, can meet unique requirements of equipment manufacturers on lubricating oil, and ensures stable operation of equipment.

Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step oftanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least one compound of formula (I),wherein Hal signifies chlorine or fluorine, X signifies N or CR Y signifies hydrogen, C1-8-alkyl, C1-4-alkylcarbonyl, C1-4-alkyl-su|phpnyl or a radical of formula (la), of (lb) -(-C2-3aikylene-O-)q*H (lb) R signifies hydrogen or chlorine, q is to 10 and M signifies hydrogen or an alkali metal cation or an ammonium cation, the ammonium cation being a protonated tertiary amine or a quaternary ammonium cation, in a tanning bath, the tanning bath having a pH of from 6 to 10 at the beginning of the tanning step.

A production method for high-purity tetrapropylammonium hydroxide, comprising the following steps: adding tetrapropylammonium halide into a raw material chamber of an electrolytic cell; and by means of electrolysis, tetrapropylammonium cations passing through a cationic membrane, entering a cathode chamber, and being combined with hydroxide ions generated at a cathode, so as to form tetrapropylammonium hydroxide to prepare a quaternary ammonium base. The raw material chamber contains a citrate ion compound. The production method for high-purity tetrapropylammonium hydroxide has the advantage of helping to improve the quality of a quaternary ammonium base product.

The present disclosure relates to a particle having a core-shell structure, wherein the core comprises a perovskite compound CsPbX3, and the shell comprises Csn-1PbnX3n+12− and at least one organic ammonium cation R1R2R3R4N+, wherein n is 1 or 2; R1 is selected from the group consisting of optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted aryl, optionally substituted arylalkyl, and optionally substituted heteroaryl; R2, R3, and R4 are each independently selected from the group consisting of —H, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted aryl, optionally substituted arylalkyl, and optionally substituted heteroaryl; and X is a halide. The present disclosure also relates to a method of passivating a perovskite compound CsPbX3, the method comprising the step of: adding an organic ammonium halide R1R2R3R4NY to the CsPbX3 at a molar ratio of R1R2R3R4NY:CsPbX3 of about 500:1 to about 60000:1 to form a mixture, wherein R1 is selected from the group consisting of optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted aryl, optionally substituted arylalkyl, and optionally substituted heteroaryl; R2, R3, and R4 are each independently selected from the group consisting of —H, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted aryl, optionally substituted arylalkyl, and optionally substituted heteroaryl; and X and Y are independently a halide.

The present invention provides a binder for a cathode of a lithium secondary battery, the binder comprising an ammonium cation-substituted cationic polyvinylidene fluoride-based polymer.

A novel synthetic crystalline aluminogermanosilicate molecular sieve material, designated SSZ-117x, is provided which exhibits increased acidity. The SSZ-117x can be synthesized using N,N,N,3,5-pentamethyladamantan-1-ammonium cations as a structure directing agent. The synthesis employs a boron pathway to achieve increased acid sites. The SSZ-117x of increased acidity may be used in organic compound conversion reactions and / or sorptive processes.

This invention discloses a method for preparing and applying a two-dimensional lead bromide perovskite single crystal based on 1-amino-4-methylpiperazine in the Dion-Jacobson phase, wherein the chemical formula of the single crystal is (C5H). 14 N3)PbBr4, where C5H 14 N3 2+ It is a diprotonated 1-amino-4-methylpiperazine cation; single-crystal X-ray diffraction analysis shows that it has a typical two-dimensional Dion-Jacobson phase layered structure, belongs to the monoclinic crystal system, space group P21 / n, and its structure is dominated by [PbBr4]. 2‑ The single crystal is constructed by alternating stacks of octahedral inorganic layers and diammonium cation organic layers. The preparation method involves: first, dissolving 1-amino-4-methylpiperazine in hypophosphite and lead oxide in hydrobromic acid; then mixing the two solutions and heating them at 100-130°C to form a homogeneous precursor solution; finally, obtaining the single crystal through a programmed slow cooling method. This invention utilizes hydrobromic acid as a medium to achieve precise protonation of organic amines and a high-concentration bromine environment. The resulting single crystal exhibits high crystal quality and good stability, demonstrating significant application potential in optoelectronic fields such as polarization detection, nonlinear optics, and light-emitting devices.

This invention discloses a multi-step high-entropy high-enthalpy phase transition hybrid double perovskite material and its preparation method. The preparation method includes the following steps: 1) Weigh at least one of 1,3-propanediamine, N-methyl-1,3-propanediamine, 1,3-diamino-2-propanol, ethylenediamine, N-ethylethylenediamine, and N-(2-hydroxyethyl)ethylenediamine, as well as a salt containing M1, a salt containing M2, and formic acid as raw materials according to stoichiometric ratio; 2) Add the above raw materials to a reaction vessel lined with polytetrafluoroethylene and mix evenly; 3) Seal the reaction vessel and heat it at a constant temperature of 80-110℃ for 36-72h; 4) Cool naturally to room temperature, collect the product, wash and dry it to obtain a material with the chemical formula [A]2[M1M2(HCOO)6]. This material achieves multi-step reversible high-entropy and high-enthalpy phase transitions through heterovalent bimetallic synergy and flexible cyclic ammonium cation design. It also features dielectric response and low-temperature photoluminescence. The phase transition temperature can be tuned to room temperature and near room temperature range, effectively solving the problems of limited phase transition steps, low entropy and enthalpy changes, and poor performance synergy of existing materials.

The present invention relates to a method for producing a precursor for a positive electrode active material, the method comprising: a seed formation step of forming a precursor for a positive electrode active material seed by performing a coprecipitation reaction while supplying a transition metal aqueous solution, an ammonium cation complexing agent, and an alkaline compound to a reactor; and a particle growth step of growing a precursor for a positive electrode active material particle by performing a coprecipitation reaction while supplying a transition metal aqueous solution, an ammonium cation complexing agent, and an alkaline compound to a reaction solution in which the precursor for a positive electrode active material seed has been formed, wherein in the particle growth step, the reaction is performed while continuously increasing the supply rates of the transition metal aqueous solution and the ammonium cation complexing agent.

The invention discloses a preparation method of high-purity trihydroxyethyl methyl ammonium hydroxide and high-purity quaternary ammonium base prepared by the preparation method, and relates to the technical field of high-purity quaternary ammonium base production. The preparation method of the high-purity tris (2-hydroxyethyl) methyl ammonium hydroxide comprises the following steps: electrolysis: taking tris (2-hydroxyethyl) methyl quaternary ammonium salt, and preparing into an aqueous solution; the method comprises the following steps: adding trihydroxyethyl methylammonium chloride into a raw material chamber of an electrolytic bath, and electrolyzing, so that trihydroxyethyl methylammonium cations enter a cathode chamber through a cation membrane and are combined with hydroxyl ions generated by a cathode to form trihydroxyethyl methylammonium hydroxide, thereby obtaining the quaternary ammonium base. The preparation method of the high-purity trihydroxyethyl methyl ammonium hydroxide has the advantage of being beneficial to improving the quality of a quaternary ammonium base product.

This invention relates to the field of vanadium redox flow battery energy storage technology, and discloses a mixed-cation vanadium electrolyte comprising vanadium ions; sulfuric acid; and a first cation, wherein the first cation is a small-size, high-charge-density cation, including Li. + Na + K + Mg 2+ and Ca 2+ At least one of the following; a second cation, wherein the second cation is a large-sized cation with proton transfer capability, including NH4+. + At least one of organic ammonium cations and imidazole cations. This invention introduces small-sized, high-charge-density cations, utilizing their strong hydration capacity to disrupt the original long-range ordered hydrogen bond network of water molecules, increasing the configurational entropy of the electrolyte system, and physically suppressing VO2 through the entropy increase effect. + The hydrolysis-polymerization reaction. This mechanism does not depend on direct coordination with vanadium ions, thus improving the high-temperature stability of the electrolyte while avoiding changes to the electronic structure of vanadium ions and maintaining their intrinsic electrochemical activity.

The invention relates to the technical field of disinfectants, in particular to antibacterial nanogel as well as a preparation method and application thereof. The antibacterial nanogel disclosed by the invention is prepared from raw materials including quaternary ammonium cation chloride and acrylic acid; the molar ratio of the quaternary ammonium cation chloride to the acrylic acid is 1: (1-10). According to the antibacterial nanogel disclosed by the invention, the molar ratio of the quaternary ammonium cation chloride to the acrylic acid is optimized, and a specific preparation process (such as heating, ultraviolet radiation and the like) is adopted, so that the antibacterial nanogel not only has broad-spectrum antibacterial ability, but also can form a uniform and stable protective layer on the surface of skin, and the antibacterial nanogel has a good application prospect. The uniformity and durability of the disinfection effect are obviously improved.

The invention discloses a production process of high-quality trihydroxyethyl methyl ammonium hydroxide and quaternary ammonium base prepared by the production process, and relates to the technical field of organic base production. The preparation method of the high-purity tris (2-hydroxyethyl) methyl ammonium hydroxide comprises the following steps: taking tris (2-hydroxyethyl) methyl quaternary ammonium salt, and preparing into an aqueous solution; the method comprises the following steps: adding trihydroxyethyl methylammonium chloride into a raw material chamber of an electrolytic bath, and electrolyzing to enable trihydroxyethyl methylammonium cations to enter a cathode chamber through a cation membrane to be combined with hydroxyl ions generated by a cathode to form trihydroxyethyl methylammonium hydroxide, so as to prepare quaternary ammonium base; and liquid nitrogen is introduced into the cathode chamber. The preparation method of the high-purity trihydroxyethyl methyl ammonium hydroxide has the advantage of being beneficial to improving the quality of a quaternary ammonium base product.