20 results about "Acid anion" patented technology

The invention provides a production system and a production method of 3-methoxy-N, N-bis (2-ethoxyl) aniline. According to the production method, functionalized ionic liquid ([HEMIM] HSO4, [HEMIM] H2PO4, [APMIM] HSO4 and [APMIM] H2PO4) and triethylamine are adopted to construct an efficient synergistic catalysis system. Amino (-NH2) or hydroxyl (-OH) of a cation side chain of the ionic liquid is combined with nitrogen atoms of triethylamine through hydrogen bonds, meanwhile, acidic anions (HSO4 <-> / H2PO4 <->) of the ionic liquid and protonated triethylamine ([H-TEA] < + >) generated in the reaction can form strong ion pairs, and the overall stability of a catalytic system is remarkably enhanced through the multiple non-covalent interaction. Compared with traditional acid catalysis or single ionic liquid catalysis, the synergistic catalysis system is high in catalytic activity, excellent in selectivity and high in stability, and the yield and purity of the target product 3-methoxy-N, N-bis (2-ethoxyl) aniline can be remarkably improved.

In some embodiments the application pertains to processes comprising reacting a component comprising an alkaline earth weak acid with a component comprising an acid to form a component comprising an alkaline earth acid anion and a component comprising a weak acid derivative. At least a portion of the component comprising the alkaline earth acid anion is reacted with a component comprising an alkali sulfate to form a component comprising alkaline earth sulfate and a component comprising an alkali acid anion. At least a portion of the component comprising alkaline earth sulfate is decomposed to form a component comprising alkaline earth oxide, or alkaline earth hydroxide, or alkaline earth carbonate, or alkaline earth sulfide, or a derivative thereof, or any combination thereof, and a component comprising sulfur dioxide, or oxygen, or sulfur trioxide, or a derivative thereof, or any combination thereof.

The present invention relates to the technical field of acid sewage treatment, and discloses a smelting industry acid sewage treatment process, comprising the following steps: adding an alkaline substance to the smelting industry acid sewage, adjusting the sewage pH value to be neutral, standing for 10 30 minutes, filtering, and collecting a filtrate and a precipitate A; adding a composite adsorbent to the filtrate, vibrating for 30 40 minutes, adding a polyacrylamide flocculant, continuing to shake for 10 20 minutes, filtering, and obtaining a precipitate B and a supernatant; Precipitate A and precipitate B are mixed and recovered, and the supernatant is recovered and detected for reuse. The diatomaceous earth loaded with porous carbon has a double-layer porous structure, has a large adsorption capacity, and can adsorb heavy metal ions and organic impurities in sewage; an amphoteric small molecule functional reagent is grafted on the surface of the diatomaceous earth composite, and can be electrostatically bonded with the acidic anions and metal cation impurities in sewage, and a collaborative porous structure is formed to complete directional adsorption and fixation.

Provided is an amine separation method that includes separating an amine through chromatography using a stationary phase including a ligand having a crown ether-like cyclic structure and being supported on a carrier; and a mobile phase containing a salt of a cation and an acid anion at a concentration of 0.2 mM or more and 50.0 mM or less and containing a solvent having a water content of 50 vol. % or less.

The method comprises the following steps: pre-modifying the surface of the explosive, preparing an acidic polyanion aqueous solution, carrying out in-situ polymerization coating on the surface of the explosive, putting the pre-modified explosive into the acidic polyanion aqueous solution, stirring and dispersing at normal temperature, and carrying out in-situ polymerization coating on the surface of the explosive under the initiation of an acidic anionic polymer, 4-aminostyrene coats the explosive through spontaneous polymerization of a zwitter-ion mechanism to obtain the polymerized and coated explosive. The preparation process of the coated explosive is simple, convenient and easy to operate, polymerization coating of the surfaces of different explosives can be achieved, all-directional, uniform and tight coating of the explosives can be achieved, the bonding strength is high, and the inherent physicochemical, safety, morphology and other characteristics of the explosives cannot be affected.

The invention relates to a sulfonium salt type monomer, a polymer, a chemically amplified resist composition and a pattern forming method. The present invention provides a sulfonium salt-type monomer represented by formula (A), a polymer containing a repeating unit derived from the sulfonium salt-type monomer, a chemically amplified resist composition containing the polymer, and a pattern forming method using the chemically amplified resist composition. In the formula, Z-represents a fluoroalkanesulfonic acid anion having a polymerizable group.

The invention provides a preparation method of a high-purity key photoacid generator PAG intermediate for a semiconductor, namely a triaryl hydroxyl sulfonium compound. According to the method, triaryl sulfonium salt represented by a general formula (I) is taken as a raw material: [R1-R2-R3-S] < + > X <->, R1, R2 and R3 are independently selected from phenyl or substituted phenyl, and substituent groups are selected from methyl, tertiary butyl, halogen, C1-C6 alkyl, phenyl and the like; x <-> is selected from acidic anions such as trifluoromethanesulfonate, chloride ions, bromide ions, p-toluenesulfonate and the like. According to the method, mixed alkaline anion exchange resin is used as a catalyst, and circular reaction is performed through a continuous device filled with cation exchange resin, so that efficient preparation of the DUV-grade triaryl hydroxyl sulfonium compound is realized.

The present application pertains in one embodiment to a process which reacts a component comprising an alkaline-earth cation – weak acid anion with a component comprising an acid to form a component comprising an alkaline-earth cation – acid anion and a component comprising a weak acid derivative. At least a portion of the formed alkaline-earth cation – acid anion is reacted with a component comprising an alkali sulfate to form a component comprising an alkali cation – acid anion and a component comprising an alkaline-earth sulfate. At least a portion of a component comprising carbon dioxide is dissolved in a solution comprising at least a portion of the component comprising an alkali cation – acid anion. At least a portion of the acid is separated from at least a portion of the alkali in the presence of carbon dioxide and the presence of a membrane to form an alkali cation – carbon dioxide species anion.

To provide a resist material, a resist material for dry etching, a pattern formation method, a structure, and a patterned structure, all of which are novel.SOLUTION: A resist material contains metal oxo acid anion and onium cation.SELECTED DRAWING: Figure 1

To provide means for producing a MOF having an RHO-type topology with high gas adsorption performance in high yields.SOLUTION: One aspect of the present invention relates to a metal organic framework containing metal ions as zinc cations and ligands as 2-ethylimidazole (2-EtIm) or monocarboxylic acid anions. The metal organic framework has an RHO-type topology in which the 2-EtIm anions are partially substituted with the monocarboxylic acid anions. Another aspect of the present invention relates to a method for producing the metal organic framework having the above-described features.SELECTED DRAWING: Figure 6

A disinfectant wipe is provided including a substrate that is substantially free of polyamides, and an acid anionic disinfectant is adsorbed to the substrate such that the disinfectant readily releases from the substrate to allow at least 65% delivery of the disinfectant when wiped on a surface. The substrate may be a woven, nonwoven, knit fabric, a foam, sponge or film composition and may be formed from polyester, polypropylene, nylon, cotton, rayon, acrylic, or combinations thereof. The acid anionic disinfectant has a pH below 7, below 5, below 3 and below 2. The substrate used to prepare the disinfectant wipe is not pretreated with the disinfectant or a release composition before applying the disinfectant. That is, the disinfectant is not applied and re-applied to ensure release onto a surface. In an embodiment of the invention acid anionic disinfectant is an antimicrobial agent.

The application provides a high-efficiency synergic driving artificial muscle fiber pair, a driving method and application thereof. The artificial muscle fiber pair comprises an artificial muscle fiber as a working electrode, an artificial muscle fiber as a counter electrode and an organic electrolyte; the material and structural parameters of the two artificial muscle fibers are consistent; and the electrolyte is selected from a salt composed of a full alkyl ammonium cation and a perfluoroboric acid anion and / or a perfluorophosphoric acid anion. The application uses the anion-cation salt with symmetric driving properties as the electrolyte, uses two artificial muscle fibers with consistent material parameters as the positive electrode and the negative electrode, and uses the synchronous driving electrochemical fiber pair system, so that the synchronous contraction is realized under the positive and negative potentials, the positive and negative electrodes are active working units in the whole driving cycle, the problem of "counter electrode idling" is completely overcome, the overall output work and energy conversion efficiency are greatly improved, the driving asynchronization or mechanical stress accumulation is effectively avoided, and the cycle stability and response consistency are improved.

The present application pertains in one embodiment to a process which reacts a component comprising an alkaline-earth cation− weak acid anion with a component comprising an acid to form a component comprising an alkaline-earth cation− acid anion and a component comprising a weak acid derivative. At least a portion of the formed alkaline-earth cation− acid anion is reacted with a component comprising an alkali sulfate to form a component comprising an alkali cation− acid anion and a component comprising an alkaline-earth sulfate. At least a portion of a component comprising carbon dioxide is dissolved in a solution comprising at least a portion of the component comprising an alkali cation− acid anion. At least a portion of the acid is separated from at least a portion of the alkali in the presence of carbon dioxide and the presence of a membrane to form an alkali cation− carbon dioxide species anion.

The application pertains to processes for producing alkali hydroxides or alkali sulfites using large molecular weight acid intermediates. Generally, a component comprising an alkaline-earth cation—small molecular weight acid anion may be reacted with a component comprising an alkali sulfate to form a component comprising an alkali cation—small molecular weight acid anion and a component comprising an alkaline-earth sulfate. A series of additional steps results in forming a component comprising an alkali hydroxide, or an alkali carbonate, or an alkali bicarbonate, or any combination thereof.

This invention provides a chemically amplified resist composition that exhibits excellent solvent solubility, high sensitivity, high contrast, and excellent etching resistance in photolithography using high-energy rays, and a pattern formation method using the chemically amplified resist composition. [Solution] A chemically amplified resist composition comprising (A) a polymer containing repeating units represented by the following formula (a1) and not containing repeating units that generate acid upon exposure, (B) a photoacid generator containing an iodine atom or a fluoroalkanesulfonic acid anion having an aromatic ring structure substituted with an iodine atom and a bromine atom, and (C) a solvent. TIFF2026135632000230.tif5174

The invention belongs to the technical field of chemical sensing and detection, and discloses preparation of a multi-component rare earth metal-organic framework and application of the multi-component rare earth metal-organic framework in heavy water recognition, the molecular formula of the multi-component rare earth metal-organic framework is {[Eu (BETC) 0.5 (BDC-OH) 0.5 (H2O) 2]. MH2O} n, m is 0-6, n is any natural number, BETC is 1, 2, 4, 5-benzene tetracarboxylic acid anion, and m is 0-6. According to the present invention, the multi-component rare earth metal-organic framework can perform ultra-sensitive detection on trace H2O in D2O, the detection limit is as low as 0.39%, and the wide-range quantitative detection can be achieved;

The invention relates to the technical field of acidic sewage treatment, and discloses a smelting industry acidic sewage treatment process which comprises the following steps: adding an alkaline substance into smelting industry acidic sewage, adjusting the pH value of the sewage to be neutral, standing for 10-30 minutes, filtering, and collecting filtrate and precipitate A; adding a composite adsorbent into the filtrate, oscillating for 30-40 minutes, adding a polyacrylamide flocculant, continuously oscillating for 10-20 minutes, and filtering to obtain a precipitate B and supernate; and mixing and recovering the precipitate A and the precipitate B, and recovering, detecting and reusing the supernate. The diatomite loaded with porous carbon has a double-layer porous structure, has relatively large adsorption capacity, and can adsorb heavy metal ions and organic impurities in sewage; the amphoteric small molecular functional reagent is grafted on the surface of the diatomite compound, and can be electrostatically combined with acidic anions and metal cation impurities in sewage to cooperate with a porous structure to complete directional adsorption fixation.

The invention relates to the technical field of carbon dioxide conversion and organic catalysis, in particular to a metal organic framework material LIFM-DSL-8, a preparation method thereof and application of the metal organic framework material LIFM-DSL-8 in a carbon dioxide cyclization reaction. The preparation method comprises the following steps: carrying out solvothermal reaction on a linear dicarboxylic acid ligand with a Bronsted acid functional group and a metal organic framework LIFM-28 to obtain LIFM-DSL-7, and promoting Bronsted acid to be converted into Bronsted acid salt under an alkaline condition to obtain the metal organic framework material LIFM-DSL-8. The Bronsted acid anions in the material have catalytic activity and can effectively promote the cyclization reaction of carbon dioxide to synthesize high-added-value chemicals. The crystal structure of the obtained LIFM-DSL-8 is clear, the catalytic conversion efficiency of carbon dioxide can be greatly improved, and carbon resource circulation is assisted. Meanwhile, the structure provides a basis for researching a catalytic mechanism and establishing a reaction mechanism, and has environmental and economic dual values.

A method of producing a metal material comprising a film using a metal surface treatment agent containing: a prescribed copolymer (A) obtained by polymerizing a compound (a) [Formula (1)] with a compound (b) [Formula (2) or (3)] and a water-soluble or water-dispersible resin (B), wherein R1 and R2 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R3 and R4 each independently represent an alkyl group having 1 to 5 carbon atoms, X— represents an ion of a halogen atom, or an acid anion, R5 represents a hydrogen atom or a methyl group, R6 and R7 each independently represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, a benzyl group, or a hydroxyalkyl group having 2 or 3 carbon atoms; and R8 represents a hydrogen atom or a methyl group.

In some embodiments the application pertains to processes comprising reacting a component comprising an alkaline earth weak acid with a component comprising an acid to form a component comprising an alkaline earth acid anion and a component comprising a weak acid derivative. At least a portion of the component comprising the alkaline earth acid anion is reacted with a component comprising an alkali sulfate to form a component comprising alkaline earth sulfate and a component comprising an alkali acid anion. At least a portion of the component comprising alkaline earth sulfate is decomposed to form a component comprising alkaline earth oxide, or alkaline earth hydroxide, or alkaline earth carbonate, or alkaline earth sulfide, or a derivative thereof, or any combination thereof, and a component comprising sulfur dioxide, or oxygen, or sulfur trioxide, or a derivative thereof, or any combination thereof.