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62 results about "Organic anion" patented technology

Organic anions are chemically heterogeneous substances possessing a carbon backbone and a net negative charge. Organic anions are conjugate bases of organic acids. The following table lists some of the organic anions and their conjugate acids which are substrates of the organic acid transporter (OAT) family of transmembrane proteins.

Electrolyte for regulating interface reaction based on organic anion mediated gradient ion pump

The invention discloses an electrolyte for regulating interface reaction based on an organic anion mediated gradient ion pump, and belongs to the field of zinc metal batteries. The electrolyte for regulating and controlling the interface reaction based on the organic anion mediated gradient ion pump comprises a mixed aqueous solution of zinc salt electrolyte and organic anion salt, the zinc salt electrolyte is selected from any one of zinc sulfate, zinc chloride, zinc acetate or zinc trifluoromethanesulfonate; an organic chain in the organic anion salt is of a Janus structure, the organic chain contains hydroxyl and alkyl with hydrophobic end chain parts, the problems that an interfacial film of an existing aqueous zinc metal battery solid electrolyte is prone to failure, a zinc negative electrode is poor in stability, and side reaction is serious are solved, the high-reversibility and long-life zinc deposition / stripping process is achieved through multiple effects of the organic salt additive, and the service life of the solid electrolyte is prolonged. The overall performance of the zinc metal battery is improved.
Owner:CHENGDU UNIV

Antistatic polystyrene and preparation method thereof

ActiveCN120904592APolymer scienceMeth-
The invention provides antistatic polystyrene and a preparation method thereof. The antistatic polystyrene comprises the following raw materials in parts by mass: 100 parts of polystyrene and 5-15 parts of organic anion quaternary ammonium salt modified polystyrene. Wherein the organic anion quaternary ammonium salt modified polystyrene is obtained by quaternizing a chloromethyl styrene-styrene copolymer and then carrying out anion exchange on the quaternized chloromethyl styrene-styrene copolymer and an organic anion metal salt. By introducing the organic anion quaternary ammonium salt modified polystyrene into a polystyrene matrix, the antistatic performance of the material can be remarkably improved, and the performance is kept stable in the long-term use process, so that the problems of dust adsorption, discharge interference and appearance degradation caused by static accumulation are reduced.
Owner:HAISO TECH CO LTD

Coordination polymer based on pesticide ligand as well as preparation method and application of coordination polymer

The invention provides a coordination polymer based on pesticide ligands as well as a preparation method and application thereof, and belongs to the technical field of compounds and preparation thereof. In the step process of preparing the coordination polymer based on the pesticide ligand by using the preparation method of the coordination polymer based on the pesticide ligand, a metal is used as a central metal, and pesticide molecules, carboxyl-containing organic anion ligands or N-containing ligands are used as ligands to form a double-ligand type coordination polymer. The coordination polymer has high pesticide occupancy and sensitive pH responsiveness, and release concentrations of different degrees can be achieved by adjusting the pH. The coordination polymer based on the pesticide ligand has a slow-release bactericidal effect, can prolong the action time of the pesticide, and provides a new thought for the coordination polymer material as a slow-release bactericide.
Owner:BEIJING UNIV OF AGRI

Sodium-ion battery electrolyte and sodium-ion battery

The invention discloses a sodium-ion battery electrolyte and a sodium-ion battery, and relates to the technical field of sodium-ion batteries. The novel organic anion sodium salt taking conjugated estrogen as a parent nucleus is used as an additive, so that a formed CEI interface film has high sodium ion conductivity and good toughness, the interface impedance of the battery is reduced, and the electrochemical performance of the sodium ion battery is improved; in the formation process, due to the fact that additive molecules form a self-assembly adsorption layer on an interface, solvent molecules cannot make contact with an electrode, the solvent molecules are prevented from participating in formation of CEI, the gas production rate of the battery can be reduced, and the cycling stability and safety of the sodium-ion battery can be improved.
Owner:JIANGSU PYLON BATTERY CO LTD

Organic anion lithium ionic cocrystal compounds and compositions

A cocrystal having the formula LiX·aM, or a solvate or hydrate thereof, wherein X is a conjugate base of an organic acid, M is a neutral organic molecule, and a is from 0.5 to 4, pharmaceutical compositions comprising such cocrystals, cocrystal solvates, or cocrystal hydrates, and methods of preparing such cocrystals, cocrystal solvates, or cocrystal hydrates, and such pharmaceutical compositions.
Owner:UNIV OF SOUTH FLORIDA

High-valence metal organic salt and metal inorganic compound composite electrolyte additive, electrolyte containing additive and application

The invention relates to a high-valence metal organic salt and metal inorganic compound composite electrolyte additive, an electrolyte containing the additive and application, and belongs to the technical field of battery materials. According to the invention, the organic salt with high-valence metal cations and the inorganic halide / chalcogenide are introduced into the conventional electrolyte at the same time, so that the defects of an electrode / electrolyte interface layer can be dynamically repaired. Anions in the high-valence metal organic salt are organic ions capable of generating auto-polymerization or electrochemical polymerization, and high-valence metal cations have oxidability, can promote auto-polymerization or electrochemical polymerization of the organic anions and / or the electrolyte solvent, and can be reduced by a metal negative electrode with strong reducing capacity. Meanwhile, inorganic halide / chalcogenide (such as ZnCl2, ZnI2, MgS2 and the like) can induce formation of a passivation layer on the surface of the negative electrode, the deposition and dissolution behaviors of sodium ions on the surface of the electrode are optimized, dendritic crystal growth is prevented, and corrosion of electrolyte and polysulfide is prevented. The composite electrolyte additive meets the multi-scene requirements of power batteries, energy storage batteries and the like.
Owner:SOUTHWEST UNIV

Electrolyte compound additive for spontaneously constructing high ionic conductance SEI layer, electrolyte and secondary battery

The invention provides a compound additive for an electrolyte. A <-> is selected from one of boron-containing inorganic anions or nitrogen-containing organic anions; r1-R4 and X are respectively and independently selected from one of a hydrogen atom, a halogen atom, a C1-C7 alkyl chain or a C1-C7 alkyl chain with a substituent group, a C1-C7 alkoxy chain or a C1-C7 alkoxy chain with a substituent group, a C2-C7 olefin chain or a C2-C7 olefin chain with a substituent group; y is selected from a sulfur atom or an oxygen atom, and A-in the formula 1 and X in the formula 2 respectively contain at least one halogen atom. The electrolyte additive shows high ionic conductivity and good interface mechanical performance, and interface charge transfer impedance is remarkably reduced; meanwhile, the dendritic crystal growth puncture problem at the interface is effectively inhibited, and the cycle life and the safety performance of the battery are improved.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Method for jointly reducing COD (Chemical Oxygen Demand) and hardness of chloride ions and calcium and magnesium in circulating water

The invention relates to the technical field of circulating water treatment, in particular to a method for jointly reducing COD (Chemical Oxygen Demand) and hardness of chloride ions and calcium and magnesium in circulating water. Circulating water firstly passes through a multi-medium filter to reduce the turbidity in the circulating water, then the circulating water enters an anion exchange column, chloride ions, sulfate radicals and other inorganic anions and oxalate, formate, benzoate radicals, acetate and other organic anions contributing COD in the circulating water are replaced with hydroxyl radicals, and at the moment, the pH of outlet water of the circulating water is 13-14; effluent of the exchange column enters a sloping plate sedimentation tank, 4% sulfuric acid is added into an inlet of the sedimentation tank to adjust the pH to be 7-8.5, and effluent of the sloping plate sedimentation tank is purified circulating water. According to the method, the scaling possibility of the circulating water is effectively reduced, the water quality of the circulating water can be remarkably improved, for example, after the circulating water is adsorbed by the ion exchange column, the COD removal rate is greater than 85%, the chloride ion removal rate is higher than 80%, and after the circulating water is settled by adding sulfuric acid into the inclined plate settling tank, the calcium and magnesium hardness removal rate is not lower than 50%.
Owner:SHANXI LUBAO GRP JINGANG ZHAOFENG COAL CHEM CO LTD

Preparation method of layered magnesium-based flame-retardant smoke-suppression hybrid material

The invention relates to a preparation method of a layered magnesium-based flame-retardant smoke-suppression hybrid material, which comprises the following steps: (1) dispersing organic anion intercalated magnesium-based LDHs into a Tris-HCl buffer solution with the pH value of about 8.5 to obtain slurry A; then adding bio-based polyphenol into the slurry A, continuously stirring, and carrying out suction filtration, washing and freeze drying to obtain organic anion intercalation magnesium-based LDHs coated with polyphenol on the surface; (2) dispersing the organic anion intercalation magnesium-based LDHs coated with polyphenol on the surface into deionized water, then adding soluble cobalt salt, soluble nickel salt and sodium citrate, and continuously stirring to obtain slurry B; and (3) adding a transition metal potassium cyanide solution into the slurry B under continuous stirring, then aging, and carrying out suction filtration, washing and freeze drying to obtain the layered magnesium-based flame-retardant and smoke-suppression hybrid material. The method is simple, low in cost and easy to implement, and the obtained material solves the problems that an anchored transition metal compound is large in particle size, uneven in distribution, lack of synergistic effect and the like.
Owner:QINGHAI UNIVERSITY

Electroplating solutions

PendingUS20250305175A1JewelleryOrganic anionCarbonate
Aqueous electroplating solution for alkaline electroplating, comprising: [M(NH3)4]2+ ions, wherein M is selected from the group consisting of Pd or Pt; and organic anions selected from the group consisting of bicarbonate, carbonate, or a mixture thereof; wherein the following species, if present, are present in the following amounts: alkali metals in an amount of less than 5 g / L; compounds comprising phosphorus in an amount of less than 5 g / L; compounds comprising boron in an amount of less than 5 g / L. The invention also relates to an electroplating bath comprising the electroplating solution, and a method of forming a metal layer on a substrate by electroplating using the electroplating solution.
Owner:JOHNSON MATTHEY PLC

Salt, acid generator, resist composition and method for producing resist pattern

Provided are a salt capable of producing a resist pattern with satisfactory CD Uniformity (CDU), an acid generator, and a resist composition. Disclosed are a salt represented by formula (I), an acid generator, and a resist composition:wherein, in formula (I), R4, R5, R6, R7, R8 and R9 each represent a halogen atom, a haloalkyl group, etc.; A1, A2 and A3 each represent a hydrocarbon group, etc.; m1 and m4, m5, m6 and m7 represent an integer of 0 to 5, m2, m3, m8 and m9 represent an integer of 0 to 4, 0≤m1+m7≤5, 0≤m2+m8≤4, 0≤m3+m9≤4, and at least one of m1, m2 and m3 represents an integer of 1 or more; X4 represents a single bond, —CH2—, —O—, —S—, —CO—, —SO— or —SO2—; and AI− represents an organic anion.
Owner:SUMITOMO CHEM CO LTD

An ionic liquid graphene oxide composite material, its preparation method and application

The present invention belongs to the technical field of the preparation of graphene oxide materials, and particularly relates to an ionic liquid graphene oxide composite material, a preparation method thereof and an application. The preparation method of the ionic liquid graphene oxide composite material provided by the present invention comprises the following steps: S1, reacting a polyethylenepolyamine with an organic anion precursor to obtain a target ionic liquid; S2, dispersing graphene oxide in water, adding the above-mentioned target ionic liquid, stirring, and freeze-drying to obtain the ionic liquid graphene oxide composite material. By chemically bonding an ionic liquid with multiple active sites to graphene oxide to form an ionic liquid graphene oxide composite material, the present invention not only has active sites for anions, but also has active sites for cations, greatly increasing the carbon dioxide adsorption amount.
Owner:HUANENG POWER INT INC +1

Ionic liquid used as a water-based lubricating additive and preparation method thereof

The present invention provides an ionic liquid used as a water-based lubricating additive and a preparation method thereof. The water-based lubricating additive is an organic salt, and its general formula can be expressed as A + B ‑ , where A + represents an organic cation, B ‑ Represents an organic anion. Compared with traditional ionic liquids, the water-based lubricating additive of the present invention has a simple and easy preparation process, does not require complex steps such as ion exchange, separation, and purification, and has a low preparation cost. In addition, the raw materials required for ionic liquid synthesis are widely available. The product has high chemical stability, thermal stability, extreme pressure resistance, and excellent friction reduction and anti-wear properties. It can withstand a load of 400N and has a certain anti-corrosion ability during use, which can significantly improve the overall performance of water-based lubricants.
Owner:BAOJI UNIV OF ARTS & SCI

Marine biodegradability polymer compound, method for producing same, and marine biodegradability resin composition

The present invention provides a marine biodegradability polymer compound which contains, as essential units, the following structural units: structural unit A derived from a marine biodegradability coupling agent (A), and structural unit B derived from a marine biodegradability coupling agent (B); the marine organism degradable linker (A) is a compound which contains two or more organic anions having a molecular weight of 100-10000, has a structure in which the organic anions are bonded to each other via ionic bonds generated by metal cations having a valence of 2 or more in the main chain, and contains two or more reactive groups X in the molecule; and a structural unit (B1) derived from a compound (B1) having, in the molecule, two or more reactive groups (Y) that react with the reactive group (X). Or a structural unit B2 which is a ring-opening polymerizable ring compound (B2) that generates a reactive group Y that reacts with the reactive group X in the molecule by opening the ring, the structural unit B2 being derived from a structural unit C in the case where the structural unit B1 is included, and the structural unit B2 being derived from a structural unit B2 that is a ring-opening polymerizable ring compound that generates a reactive group Y that reacts with the reactive group X in the molecule. And a reactive group X derived from a compound (C) other than the marine biodegradability linker, the compound (C) other than the marine biodegradability linker containing two or more reactive groups X in the molecule.
Owner:NISSHINBO IND INC

Radiation-sensitive composition and method for forming resist pattern

A radiation-sensitive composition contains: (A) a polymer including a structural unit (U) represented by the following formula (1); and (B) a radiation-sensitive acid-generator formed of an onium cation having at least one group Rf1 selected from the group consisting of a fluoroalkyl group and a fluoro group (excepting a fluoro group in the fluoroalkyl group) and an organic anion having an iodine atom. In formula (1), R1 represents a hydrogen atom, a methyl group, or the like. X1 represents a single bond, an ether bond, an ester bond, or the like. Ar1 represents a cyclic group bound to X1 via an aromatic ring. A hydroxy group or group —ORY is bound to an atom adjacent to the atom bound to X1, among the atoms forming the aromatic group in Ar1. RY represents an acid-releasable group.
Owner:JSR CORPORATION

Antistatic polystyrene and a method for preparing the same

ActiveCN120904592BPolymer scienceMeth-
The application provides antistatic polystyrene and a preparation method thereof, the antistatic polystyrene comprising 100 parts of polystyrene, 5-15 parts of organic anion quaternary ammonium salt modified polystyrene by mass; wherein the organic anion quaternary ammonium salt modified polystyrene is obtained by anion exchange of chloromethyl styrene-styrene copolymer after quaternary ammonization and organic anion metal salt. By introducing the organic anion quaternary ammonium salt modified polystyrene into the polystyrene matrix, the antistatic performance of the material can be significantly improved, and the performance remains stable during long-term use, thereby reducing the problems of dust adsorption, discharge interference and appearance degradation caused by static accumulation.
Owner:HAISO TECH CO LTD

Preparation method of electronic-grade iodonium salt photoacid generator

The invention is applicable to the field of semiconductor manufacturing materials, and provides a preparation method of an electronic-grade iodonium salt photoacid generator A1, the electronic-grade iodonium salt photoacid generator A1 is prepared from a compound D1 and a compound C1 through reaction, and the iodonium salt photoacid generator A1 is composed of two parts, namely organic cations containing I < + > and organic anions containing SO3 <->. According to the present invention, the by-product can be completely removed in the form of gas or dissolving in the solvent, the forward reaction is ensured, and the basic requirements that the total metal ion content of the prepared iodonium salt photoacid generator A1 is less than 2 ppb, and the far super electron grade is less than 100 ppb are met.
Owner:NINGBO NATA OPTO ELECTRONICS MATERIAL CO LTD

Radiation-sensitive composition and method for forming resist pattern

This radiation-sensitive composition comprises: a compound represented by formula (1) and a radiation-sensitive acid-generating body formed from a radiation-sensitive cation and an organic anion having a steroid skeleton or a 9,10-ethanoanthracene skeleton. In formula (1), R11, R12, and R13 are each independently, a C1-20 monovalent aliphatic hydrocarbon group.
Owner:JSR CORPORATION

Radiation-sensitive composition and method for forming resist pattern

A radiation-sensitive composition contains: (A) a polymer including a structural unit (U) represented by the following formula (1); and (B) a radiation-sensitive acid-generator formed of an onium cation having at least one group Rf1 selected from the group consisting of a fluoroalkyl group and a fluoro group (excepting a fluoro group in the fluoroalkyl group) and an organic anion having an iodine atom. In formula (1), R1 represents a hydrogen atom, a methyl group, or the like. X1 represents a single bond, an ether bond, an ester bond, or the like. Ar1 represents a cyclic group bound to X1 via an aromatic ring. A hydroxy group or group —ORY is bound to an atom adjacent to the atom bound to X1, among the atoms forming the aromatic group in Ar1. RY represents an acid-releasable group.
Owner:JSR CORPORATION

Application of quercetin in preparation of medicine for improving kidney injury caused by hyperuricemia

The invention discloses an application of quercetin in preparation of a medicine for improving renal injury caused by hyperuricemia in the technical field of biological medicine, and experimental results show that the quercetin medicine can activate hepatocyte nuclear factor-alpha, enhance expression of an organic anion transporter OAT2 protein on a renal tubular epithelial cell substrate outer membrane, and improve the renal injury caused by hyperuricemia. The traditional Chinese medicine composition can promote blood vessels to actively secrete uric acid into renal tubular cavities so as to improve renal injury caused by hyperuricemia, and can be used for treating renal injury symptoms caused by primary or secondary hyperuricemia. Quercetin is applied to preparation of drugs, health care products and / or food for preventing and / or treating kidney injury diseases caused by hyperuricemia and has good application value and development prospect.
Owner:ANHUI MEDICAL UNIV

Salt, acid generator, resist composition and method for producing resist pattern

Disclosed are a salt represented by formula (I), an acid generator, and a resist composition including the same:wherein R4 to R9 each represent a halogen atom, a haloalkyl group, etc., A1, A2 and A3 each represent a hydrocarbon group, the group may have a substituent, —CH2— in the group may be replaced by —O—, —CO—, —S—, etc., X4, X5 and X6 each represent —O— or —S—, m1 represents an integer of 1 to 5, m2, m3, m8 and m9 represent an integer of 0 to 5, m4, m5 and m6 represent an integer of 0 to 3, m7 represents an integer of 0 to 4, 1≤m1+m7≤5, 0≤m2+m8≤5, 0≤m3+m9≤5, and AI− represents an organic anion.
Owner:SUMITOMO CHEM CO LTD

Marine biodegradable polymer compound, method for producing same, and marine biodegradable resin composition

PendingUS20260201123A1Polymer scienceBackbone chain
The marine biodegradable polymer compound includes, as essential units: (A) a structural unit A derived from a marine biodegradable linking agent which is a compound including two or more reactive groups X in the molecule and having, in the main chain, a structure which includes two or more organic anions having a predefined molecular weight and in which the organic anions are bound by an ionic bond formed by a metal cation having a valence of two or more; and (B1) a structural unit B1 derived from a compound having, in the molecule, two or more reactive groups Y that react with the reactive groups X or (B2) a structural unit B2 derived from a cyclic compound which can undergo ring opening polymerization and in which the reactive groups Y that reacts with the reactive groups X are generated in the molecule through ring-opening.
Owner:NISSHINBO HOLDINGS INC

Ionic liquid type corrosion inhibitor suitable for acid medium as well as preparation method and application of ionic liquid type corrosion inhibitor

The invention discloses an ionic liquid type corrosion inhibitor for inhibiting metal corrosion in an acid medium as well as a preparation method and application of the ionic liquid type corrosion inhibitor, and belongs to the technical field of corrosion inhibitors. The corrosion inhibitor is used as an organic molten salt, the general formula of the corrosion inhibitor can be represented as A + B-, A + represents an organic cation, and B-represents an organic anion. The ionic liquid type corrosion inhibitor has good solubility in an acid medium, meanwhile, a layer of compact protective film can be generated on a metal interface to inhibit a corrosive medium from making contact with the metal interface, and the generated protective film has certain lubricating performance.
Owner:BAOJI UNIV OF ARTS & SCI

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

Provided is an electrophotographic photosensitive member having a satisfactory chargeability and being excellent in fogging suppression. The electrophotographic photosensitive member is an electrophotographic photosensitive member including a surface protective layer, wherein the surface protective layer is a polymerized film of a composition containing a compound having one of an acryloyloxy group or a methacryloyloxy group, a conductive particle, and an organic salt formed of at least one organic cation selected from the group consisting of: imidazolium; pyridinium; pyrrolidinium; piperidinium; a tetraalkylammonium; and a tetraalkylphosphonium, and at least one anion selected from the group consisting of organic or inorganic anions, and wherein the content of the organic salt is 0.1 mass % to 10.0 mass % with respect to the total mass of the conductive particle.
Owner:CANON KK

Method for simply and efficiently catalyzing depolymerization of polyurethane

The invention provides a method for simply and efficiently catalyzing depolymerization of polyurethane. According to the method, in the presence of an organic alcohol (phenol) salt catalyst, polyurethane or a polyurethane-containing composite material is subjected to a chemical depolymerization reaction in diester carbonate. The organic salt is metal organic salt and / or organic anion ionic liquid. According to the method, the organic alcohol (phenol) salt is used for catalyzing the reaction of the diester carbonate and the polyurethane, so that the preparation of chemicals by depolymerizing the polyurethane under mild conditions is realized, and the method is suitable for related technical research and development of chemical recovery of any polyurethane and polyurethane monomers in a mixed system thereof. The method provided by the invention has the advantages of high efficiency, greenness, mild reaction conditions and the like, depolymerizes the polyurethane to generate the monomer of the polyurethane, and has a relatively high industrial application value.
Owner:INST OF CHEM CHINESE ACAD OF SCI

Methods of treating disease with dichlorphenamide

Provided herein are methods for administering dichlorphenamide, or a pharmaceutically acceptable salt thereof, to a subject in need thereof, wherein the subject is also being administered an organic anion transporter-1 (OAT1) substrate to treat an associated disease or disorder. The method comprises administering to the subject a therapeutically effective amount of dichlorphenamide, or a pharmaceutically acceptable salt thereof, and monitoring the subject for signs and symptoms of toxicity and clinical response associated with the OAT1 substrate.
Owner:XERIS PHARMACEUTICALS INC

Anti-segregation aluminum-silicon refractory castable containing aluminate cement as well as preparation method and application of anti-segregation aluminum-silicon refractory castable

PendingCN121824095AAluminateSulfate radicals
The invention belongs to the technical field of refractory castable, and particularly relates to an aluminate cement-containing segregation-preventing aluminum-silicon refractory castable as well as a preparation method and application of the aluminate cement-containing segregation-preventing aluminum-silicon refractory castable. The refractory castable is prepared from metakaolin and modified magnesium-aluminum hydrotalcite subjected to organic anion intercalation treatment, the total content of silicon dioxide and aluminum oxide of the metakaolin is larger than or equal to 92 wt%, the specific surface area of the metakaolin is larger than or equal to 600 m < 2 > / kg, the organic anion is any one of dodecyl sulfate radical and terephthalic acid radical, and the modified magnesium-aluminum hydrotalcite is modified magnesium-aluminum hydrotalcite subjected to organic anion intercalation treatment. The particle size D50 of the modified magnesium-aluminum hydrotalcite is greater than or equal to 1.5 microns, and the specific surface area is greater than or equal to 120m < 2 > / g.
Owner:MAANSHAN FANGGETAIDONG THERMAL ENERGY TECHNOLOGY CO LTD

Salt, acid generator, resist composition and method for producing resist pattern

Disclosed are a salt represented by formula (I), an acid generator, and a resist composition:wherein R1, R2 and R3 each represent a hydroxy group, *—O—R10, *—O-L10-CO—O—R10, etc.; L10 represents an alkanediyl group; R10 represents an acid-labile group; R4 to R9 each represent a halogen atom, a haloalkyl group, etc.; A1, A2 and A3 each represent a hydrocarbon group, etc.; m1 and m7 represent an integer of 0 to 5, m2 to m6, m8 and m9 represent an integer of 0 to 4, 0≤m1+m7≤5, 0≤m2+m8≤4, 0≤m3+m9≤4, and at least one of m1, m2 and m3 represents an integer of 1 or more; X4 represents a single bond, —CH2—, etc.; and Al− represents an organic anion.
Owner:SUMITOMO CHEM CO LTD

Method for catalyzing polyester depolymerization by alkoxide

The invention discloses a method for catalyzing polyester depolymerization by alkoxide. The method comprises the following steps: carrying out chemical depolymerization reaction on polyester or a polyester-containing composite material in diester carbonate in the absence of a catalyst or in the presence of an organic salt as a catalyst, wherein the organic salt comprises metal organic salt and organic anion ionic liquid; anions in the metal organic salt and the organic anion ionic liquid are independently selected from the following anions: alcohol anions, phenol anions, mercaptan anions and thiophenol anions. The method has the advantages of high efficiency, greenness, mild reaction conditions and the like, polyester can be depolymerized to generate the polyester monomer, a new method is provided for chemical conversion of waste polyester plastic, and the method has high industrial application value.
Owner:INST OF CHEM CHINESE ACAD OF SCI

Actinic ray–sensitive or radiation-sensitive resin composition, resist film, pattern formation method, and electronic device manufacturing method

PCT designated stageWO2026150773A1Actinic RaysOnium
Provided are: an actinic ray-sensitive or radiation-sensitive resin composition containing an onium salt compound (I) that includes an organic anion and a cation having a specific structure, an onium salt compound (II) that includes an onium cation and an anion having a specific structure, an acid-decomposable resin, and a solvent; and a resist film, a pattern formation method, and an electronic device manufacturing method that use the actinic ray-sensitive or radiation-sensitive resin composition.
Owner:FUJIFILM CORP