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505 results about "Aliphatic hydrocarbon" patented technology

An aliphatic compound is a hydrocarbon compound containing carbon and hydrogen joined together in straight chains, branched trains or non-aromatic rings. Aliphatic compounds may be saturated (e.g., hexane and other alkanes) or unsaturated (e.g., hexene and other alkenes, as well as alkynes). The simplest aliphatic...

Anticorrosive coating composition

This anticorrosive coating composition comprises a main agent (I) and a curing agent (II), wherein: the main agent (I) contains an epoxy resin (a); the epoxy resin (a) contains at least one of a bisphenol A epoxy resin (a-11) and a novolac epoxy resin (a-12) each having a weight average molecular weight of 6,000-12,000; the curing agent (II) contains a polyamine (b) and an alkylphenol (c); the polyamine (b) contains an alicyclic polyamine (b-1) having a cyclic aliphatic hydrocarbon group to which an amino group is bonded and contains a non-alicyclic polyamine (b-2) having no cyclic aliphatic hydrocarbon group to which an amino group is bonded; at least one of the main agent (I) and the curing agent (II) includes a vinyl-based defoaming agent (d) that has a constituent unit derived from at least one monomer selected from the group consisting of alkyl (meth)acrylates, alkyl vinyl ethers, and olefins and that has a number average molecular weight of 30,000-100,000 or 300,000-2,000,000; the content of the alicyclic polyamine (b-1) is 30%-80% by mass of the solid content of the curing agent (II); the content of the non-alicyclic polyamine (b-2) is 2%-45% by mass of the solid content of the curing agent (II); the content of the alkylphenol (c) is 5%-60% by mass of the solid content of the curing agent (II); and the content of the vinyl-based defoaming agent (d) is 0.005-3 parts by mass with respect to 100 parts by mass of the anticorrosive coating composition.
Owner:NIPPON PAINT CO LTD

Method for separating EPA and DHA through supercritical fluid chromatography

The invention provides a method for separating EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) through supercritical fluid chromatography, and relates to the technical field of separation and purification. The invention provides a method for separating EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) by supercritical fluid chromatography, which comprises the following steps: by taking supercritical carbon dioxide and an organic reagent as mobile phases, and by utilizing the specific mobile phase property of supercritical CO2 after being mixed with the organic reagent (saturated aliphatic hydrocarbon) and matching with a normal-phase chromatographic column, separating the EPA from the DHA by supercritical fluid chromatography. A specific stationary phase (one or more of a silica gel surface bonded propylurea stationary phase, a silica gel surface bonded phenyl stationary phase and a silica gel surface bonded imidazolyl stationary phase) is adopted, effective separation and preparation of the EPA and the DHA in the fish oil can be achieved, the EPA and the DHA in the fish oil can be effectively separated within 50 min, the separation speed is high, the separation effect is good, and the method is suitable for industrial production. The purity of the obtained EPA and DHA is 98% or above, the purity of the EPA and the DHA is high, and the EPA and the DHA have good application prospects in the fields of medicine production and food and health care products.
Owner:JIANGSU HANBON SCI & TECH CO

Preparation method of high-performance concrete anticorrosive paint and coating

The invention provides a high-performance concrete anticorrosive paint and a preparation method of a coating, and relates to the technical field of building materials and corrosion prevention. The coating is composed of a component A and a component B, the component A comprises epoxy resin, a composite solvent, an organic solvent, a dispersant, fumed silica and a leveling agent, and the component B comprises an epoxy hardener, a conductive polymer dispersion liquid and an organic solvent. The composite solvent is formed by compounding one or more of orthotitanate, phosphate and orthosilicate with an ester, ketone, alcohol, aromatic hydrocarbon, aliphatic hydrocarbon or ether organic solvent. The preparation method of the anticorrosive coating comprises the following steps: preparing the component A and the component B, mixing to form a coating, applying the coating to the surface of concrete, and curing. The coating is compact in structure and strong in adhesive force, can obviously improve the durability and corrosion resistance of concrete in extreme environments such as high salinity and high acid, and is particularly suitable for infrastructure protection in coastal and heavy corrosion industrial areas.
Owner:BEIJING ZHONGXIN HIGH ENERGY NEW MATERIAL TECHNOLOGY CO LTD

Phenolphthalein polyaryletherketone polymer and preparation method thereof

PendingCN120623468APolymer scienceSide chain
The invention discloses a phenolphthalein-based polyaryletherketone polymer and a preparation method thereof, and the phenolphthalein-based polyaryletherketone polymer is prepared from the following raw materials: 240 to 370 parts of phenolphthalein monomer, 45 to 150 parts of modified phenolphthalein, 140 to 220 parts of 2, 6-dichlorobenzonitrile and 3 to 12 parts of alkyl halide. The modified phenolphthalein is prepared from phenolphthalein and a modifier; the modifying agent is selected from at least one of 3-amino propyl trimethoxy silane, 3-amino propyl triethoxy silane, bis (aminopropyl) polydimethylsiloxane, and aminopropyl terminated polydimethylsiloxane. By introducing a siloxane side chain and a cyano side bond and using long-chain aliphatic hydrocarbon for end capping, the bonding capacity of the polymer and other materials is improved, and meanwhile, the high temperature resistance and toughness of the polymer are kept.
Owner:JIANGSU JICUI FUNCTIONAL MATERIALS RES INST CO LTD +1

Lithium metal battery and modified negative electrode thereof

The invention discloses a lithium metal battery and a modified cathode thereof. The preparation method of the negative electrode comprises the following steps: providing a clean metal lithium sheet; providing, as a treatment agent, an organic solution containing a compound of general formula R-A-X, where R is an aliphatic hydrocarbon group or an aromatic hydrocarbon group, A is at least one metal selected from the group consisting of Mg, Al, Zn, K, Na, Ca, Sn, In and Fe, and X is at least one halogen selected from the group consisting of F, Cl, Br, I and At; and carrying out surface chemical treatment on the metal lithium sheet by using a treating agent under a protective atmosphere to prepare the negative electrode. The interface layer is formed on the surface of the lithium metal, so that on one hand, the lithium alloy contained in the interface layer can remarkably promote rapid transmission of lithium ions and effectively inhibit growth of lithium dendrites; on the other hand, the contained halide can be dissolved in the electrolyte in the cycle process of the battery to react with dead lithium generated by the lithium metal negative electrode to generate active lithium, so that the performance of the battery is remarkably improved.
Owner:BEIJING INST OF TECH +1

Waste asphalt regenerant, large-proportion waste asphalt containing waste asphalt regenerant and preparation method of waste asphalt regenerant

PendingCN120737623ABuilding insulationsMethyl carbamateAliphatic hydrocarbon
The invention relates to the technical field of waste asphalt regeneration, and particularly discloses a waste asphalt regenerant, large-proportion waste asphalt containing the waste asphalt regenerant and a preparation method of the waste asphalt regenerant and the large-proportion waste asphalt. The waste asphalt regenerant is prepared from the following raw materials: 45 to 55 percent of epoxidized illegal cooking oil, 15 to 20 percent of furfural refined oil, 8 to 12 percent of methyl carbamate, 3 to 5 percent of nano mica powder, 10 to 15 percent of desulfurized rubber powder and 5 to 8 percent of SEBS (Styrene-Ethylene-Butylene-Styrene) modifier. The waste asphalt regenerant has a three-dimensional network structure which is subjected to polar bonding; the large-proportion waste asphalt is prepared from the following components in parts by mass: 70 to 90 parts of waste asphalt, 15 to 25 parts of limestone sand, 10.5 to 18 parts of waste asphalt regenerant, 1 to 5 parts of new asphalt and 0.05 to 0.15 part of long-chain aliphatic hydrocarbon warm mixing agent. The regenerant can act in molecules of the waste asphalt, a stable space structure with elasticity and a three-dimensional network is formed through the synergistic effect of multiple components, and good low-temperature crack resistance and performance stability are kept after the waste asphalt is regenerated through the chemical bond effect among the components.
Owner:HAINAN ZHIXING NEW MATERIALS CO LTD

Organophosphorus compound

[Problem] To provide: a flame retardant which has excellent flame retardancy and contains, as an active ingredient, an organic phosphoric acid compound reduced in environmental burden; a flame-retardant polyurethane resin composition containing the flame retardant; and a synthetic leather obtained using the flame-retardant polyurethane resin composition. [Solution] A polyurethane resin composition containing a flame retardant that contains, as an active ingredient, an organophosphorus compound which is a salt obtained by reacting phytic acid with an aliphatic polyamine, preferably an aliphatic polyamine represented by R-(NH2)x (wherein R is a C2-C12 linear aliphatic hydrocarbon group and X is an integer of 2-4). 
Owner:SEIREN CO LTD +3

Antibacterial nylon 6 material as well as preparation method and application thereof

The invention discloses an antibacterial nylon 6 material as well as a preparation method and application thereof, relates to the technical field of nylon materials, and solves the problem that the antibacterial property and the mechanical property of nylon are difficult to consider at the same time. The material has a structure shown as a formula (I), R1 and R2 are independently selected from one of C1-24 linear chain / branched chain aliphatic groups, substituted / unsubstituted C3-12 alicyclic hydrocarbon groups / C6-18 aryl groups / C7-30 aralkyl groups, or R1 and R2 on the same N and connected N form 5-7-membered saturated / unsaturated heterocyclic rings; and each E-group is independently selected from the structural general formula (II). Each R3 is independently selected from one of C1-24 linear chain / branched chain aliphatic groups, substituted / unsubstituted C3-12 alicyclic hydrocarbon groups, C6-18 aryl groups and C7-30 aralkyl groups; x is an integer selected from 1 to 18; m is equal to 0.01-0.50, and m + n is equal to 1. The antibacterial nylon 6 material has a broad-spectrum and efficient antibacterial effect, is lasting in antibacterial effect and excellent in mechanical property, and can be used for preparing textiles, daily necessities, building materials, packaging materials or panels. # imgabs0 #
Owner:CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY CHINESE ACADEMY OF SCIENCES

Surface treatment agent composition, water-repellent and oil-repellent textile product, and method for producing same

Provided are: a surface treatment agent composition which uses a silicone-based compound and achieves both durable water repellency and peeling resistance; a water-repellent and oil-repellent textile product; and a method for producing the textile product. In one aspect, provided is a surface treatment agent composition comprising a silicone resin (A) and an organopolysiloxane (B) containing a carbinol group, wherein the silicone resin (A) contains at least one component selected from MQ, MDQ, MTQ, and MDTQ (where, M, D, T, and Q represent a (R")3SiO0.5 unit, a (R")2SiO unit, a R"SiO1.5 unit, and an SiO2 unit, respectively, and R" represents a C1-10 monovalent aliphatic hydrocarbon group or a C6-15 monovalent aromatic hydrocarbon group).
Owner:NICCA CHEM COMPANY

Ion-exchange membrane, membrane electrode assembly, cell for redox flow battery, and redox flow battery

An ion-exchange membrane comprisinga resin composition comprisinga side-chain heteroaromatic resin having a structural unit represented by the following general formula 1:wherein,R1, R2, and R3 are each optionally the same or different, and are each a hydrogen atom, a substituted or unsubstituted aliphatic hydrocarbon group having 1 to 10 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon group having 6 to 10 carbon atoms,R4 is a direct bond, a substituted or unsubstituted divalent aliphatic hydrocarbon group having 1 to 10 carbon atoms, or a substituted or unsubstituted divalent aromatic hydrocarbon group having 6 to 10 carbon atoms, andHc is a substituted or unsubstituted heteroaromatic group having 4 to 30 carbon atoms, the group having at least one nitrogen atom in a heteroaromatic ring structure and containing a five-membered ring and / or six-membered ring structure, anda cation-exchangeable resin.
Owner:ASAHI KASEI KOGYO KABUSHIKI KAISHA

Preparation method of alpha-difluoroseleno methyl ketone derivative

The invention provides a preparation method of an alpha-difluoroselenomethyl ketone derivative, which is a method for preparing the alpha-difluoroselenomethyl ketone derivative by using 2, 2-difluoroolefin and dialkyl diselenide in the presence of iodosobenzene diacetate. The preparation method specifically comprises the following steps: dissolving 2, 2-difluoroolefin and a dialkyl diselenide compound in an organic solvent, uniformly mixing, adding iodobenzene diacetate, and stirring and reacting at a certain temperature in an air atmosphere to obtain the product alpha-difluoro (seleno) methyl ketone derivative. The alpha-difluoroselenomethyl ketone derivative can be mildly and efficiently obtained by only adopting iodobenzene diacetate without necessary catalysts, alkali, persulfide and persulfate compounds in the prior art. Wherein R1 and R2 are aliphatic hydrocarbon, substituted and unsubstituted benzene, substituted and unsubstituted naphthalene or other aromatic groups.
Owner:JIANGSU OCEAN UNIV

Surface treatment agent composition, and water / oil-repellent fiber product and method for producing the same

To provide a surface treatment agent composition comprising a silicone-based compound and capable of achieving both durable water repellency and resistance to peeling, and to provide a water / oil-repellent fiber product and a method for producing the same.SOLUTION: A surface treatment agent composition comprises: a silicone resin (A); and an organopolysiloxane (B) containing silanol groups, wherein the silicone resin (A) includes, as a component, at least one selected from MQ, MDQ, MTQ, and MDTQ {M, D, T, and Q respectively represent (R'')3SiO0.5 units, (R'')2SiO units, R''SiO1.5 units and SiO2 units, and R'' represents a monovalent aliphatic hydrocarbon group having 1 to 10 carbon atoms or a monovalent aromatic hydrocarbon group having 6 to 15 carbon atoms}.SELECTED DRAWING: None
Owner:NICCA CHEM COMPANY

Epoxy resin composition for RTM, cured resin product and fiber-reinforced composite material, and manufacturing method therefor

Challenges are to provide an epoxy resin composition for RTM which achieves both viscosity stability at the time of injection and stiffness at the time of demolding, and a cured resin of which is superior in balance among elastic modulus under wet and heat conditions, heat resistance under wet conditions, and fracture toughness, and to provide a large fiber-reinforced composite material having a high Vf and including the epoxy resin composition. Provided is an epoxy resin composition for RTM including an epoxy resin and a curing agent component, containing the following components [A] and [C] as the epoxy resin, containing the component [B] as the curing agent component, and containing 50 to 85 parts by mass of the component [A] in 100 parts by mass of the epoxy resin, [A] Tetrafunctional glycidyl amine type epoxy resin [B] a curing agent that is liquid at 150°C [C] Aniline type epoxy resin represented by Formula (I): (In Formula (I), R1 and R2 each represent at least one selected from the group consisting of aliphatic hydrocarbon groups having a carbon number of 1 to 4; n is an integer of 0 to 4; and m is an integer of 0 to 5; when n or m is 2 or more, R1 and R2 each may be the same or different at each occurrence; X represents -O- or -S-).
Owner:TORAY INDUSTRIES INC

Thermosetting resin composition and use thereof

To provide a thermosetting resin composition which becomes a cured product having high heat resistance and excellent tracking resistance.SOLUTION: The thermosetting resin composition contains (A) an aliphatic bismaleimide compound represented by the following formula (1) (where A represents a C5-12 divalent aliphatic hydrocarbon group) and (B) an epoxy resin having two or more epoxy groups in one molecule. A content of the component (A) is 20 to 95 mass% based on the total of the component (A) and the component (B).SELECTED DRAWING: None
Owner:SHIN ETSU CHEMICAL CO LTD

Double-ligand doped and modified zirconium-based metal organic framework membrane as well as preparation method and application thereof

The invention discloses a double-ligand doped and modified zirconium-based metal organic framework membrane as well as a preparation method and application thereof. According to the membrane material, a central metal node is used, carboxylic acid ligands containing amino and nitryl are used as ligands, the ligands are doped in zirconium-based metal organic framework polycrystal UiO-66 membrane pore channels to construct preferential aromatic hydrocarbon adsorption sites and defects in a membrane framework beneficial to aromatic hydrocarbon separation, and then efficient separation of aromatic hydrocarbon / aliphatic hydrocarbon mixed components is achieved through the membrane. The preparation method comprises the following steps: by adopting a strategy of inducing secondary solvothermal growth by using a nanocrystalline seed and performing double-ligand doping modification, modifying and attaching the nanocrystalline seed to the surface of a support body by using a dip-coating method, and performing self-assembly on two polar carboxylic acid ligands and a metal source in a synthetic solution to form a compact and defect-free ligand-doped modified metal organic framework polycrystalline film. When the membrane is used for toluene / n-heptane mixed components, the selectivity reaches 5.3, and the permeation flux is greater than or equal to 400g / m < 2 > h.
Owner:NANJING TECH UNIV

Method for producing catalyst for polymerization of olefin and catalyst for polymerization of olefin

A method is disclosed for producing a catalyst, which suppresses a decrease in polymerization activity due to early deactivation of the active site after the catalyst has been formed, exhibits excellent catalyst activity at the time of polymerization of olefins, and can produce polymers of olefins, which are excellent in stereoregularity. The method for producing a catalyst includes contacting a solid catalyst component (A) containing magnesium, titanium, halogen and an internal electron-donating compound, and a specific organoaluminum compound (B) represented by the general formula (I), with each other, wherein at least one selected from the solid catalyst component (A) and the organoaluminum compound (B) is previously subjected to contact treatment with a hydrocarbon compound having one or more vinyl groups, in an organic solvent containing 30% by mass or more of one or more compounds selected from saturated aliphatic hydrocarbon compounds having 20 or more carbon atoms.
Owner:TOHO TITANIUM CO LTD

Phase change microcapsule antibacterial material based on alkylated chitosan-polystyrene copolymer and preparation method thereof

The invention discloses a phase change microcapsule antibacterial material based on an alkylated chitosan-polystyrene copolymer and a preparation method thereof.The material is composed of a core material and a wall material, the core material is an aliphatic hydrocarbon phase change material, the wall material is the alkylated chitosan-polystyrene copolymer, and the alkylated chitosan-polystyrene copolymer is a mixture of the alkylated chitosan-polystyrene copolymer and the alkylated chitosan-polystyrene copolymer. The outer layer of the wall material is an alkylated chitosan-styrene grafted section, and the inner layer of the wall material is a polystyrene cross-linked section; according to the invention, tert-butyl hydrogen sulfate is designed as an amino protective agent for the first time, and amino protective grafting is carried out on chitosan through a path of'protection-grafting-deprotection 'to synthesize alkylated chitosan (ACS); and preparing the phase-change microcapsule antibacterial material with the ACS-g-PSt material as the wall material by using ACS as an emulsifier and a wall material component at the same time through a microemulsion interfacial polymerization method, so that the application research blank of the chitosan grafting material in the field of phase-change microcapsules is filled; and a new technology and direction are provided for industrial application of the phase change microcapsules in the fields of medical treatment and public health and the like.
Owner:ZHEJIANG UNIV OF TECH

Adhesion promoter for polysulfide and polythioether-based sealants

The invention relates to a method for sealing a substrate, comprising at least steps 1) and 3), by applying at least part of a solvent-based composition to a surface of the substrate to at least part form a film (1) on said surface, applying at least part of a sealant composition to the film obtained after step 1) to form a sealant film (3), wherein the sealant composition is obtainable by mixing at least two components A) and B) of a sealing system, which are present separately, with one another, the solvent-borne composition applied in step 1) comprising at least one aliphatic hydrocarbon as an organic solvent component a1) in an amount of at least 70.0 wt.-%, based on the total weight of the composition, at least one organometallate as component a2) in an amount of at least 70.0 wt.-%, based on the total weight of the composition, the present invention relates to a method for preparing a solvent-borne composition comprising at least one metal acid salt, the metal of which is selected from Ti and Zr, and at least one organosilane as component a3), sealing substrates obtainable by this method, the use of this solvent-borne composition as an adhesion promoting composition, the solvent-borne composition itself, and a kit comprising said solvent-borne composition.
Owner:CHEMETALL GMBH

Method for detecting detergent main agent in gasoline

The invention relates to a method for detecting a clearing agent main agent in gasoline, and the method comprises the following steps: carrying out thin-layer chromatography detection on a to-be-detected sample, and determining the composition of the clearing agent main agent in the concentrated to-be-detected sample according to color spot distribution on an obtained thin-layer chromatography plate, wherein the clearing agent main agent comprises one or more of a polyether amine clearing agent, a polyisobutene amine clearing agent and a Mannich base clearing agent; the thin-layer chromatography detection sequentially comprises developing and developing treatment; a developing agent for developing comprises one or more of a developing agent I, a developing agent II and a developing agent III; the developing solvent I is methanol, and the developing solvent II and the developing solvent III comprise one or more of alcohol with the carbon atom number of 1-6, aliphatic hydrocarbon with the carbon atom number of 5-12 and cycloalkane with the carbon atom number of 5-12. According to the method provided by the invention, whether the clearing agent main agent is added into the sample to be detected or not can be rapidly determined, and the type of the clearing agent main agent can be rapidly and accurately detected.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Ultraviolet protection liquid for perovskite solar cell module and application thereof

The invention belongs to the technical field of solar cells, and relates to an ultraviolet protection liquid for a perovskite solar cell module and application thereof, the ultraviolet protection liquid for the perovskite solar cell module comprises an ultraviolet curing adhesive and an organic solvent; the organic solvent comprises a solvent A and a solvent B, the solvent A comprises an aromatic hydrocarbon solvent, the solvent B comprises any one of a ketone solvent, an ether solvent or an aliphatic hydrocarbon solvent, and the viscosity of the ultraviolet protection liquid is 500-800 mPa.s. According to the ultraviolet protection liquid disclosed by the invention, the ultraviolet curing adhesive and two different organic solvents are matched, the viscosity is low, and a film can be quickly formed under the conditions of low temperature and low power, so that the influence of high temperature, high ultraviolet curing power and long-time ultraviolet curing on a functional layer in the preparation process is avoided; the light transmittance is high, the film forming quality is high, in addition, the negative effect on normal use of the assembly is avoided, and the long-term operation stability and the photoelectric property of the assembly are improved.
Owner:KUNSHAN GCL OPTOELECTRONIC MATERIAL CO LTD

Fluidized bed device for coupling naphtha and methanol to prepare aromatics and co-produce olefins and its application method

A fluidized bed device for coupling naphtha and methanol to prepare aromatics and co-produce olefins and its application method are provided. By using the device, under the action of a catalyst, naphtha reacts with methanol to generate product gas containing aromatics and light olefins as main components. The method can efficiently and selectively convert linear and branched aliphatic hydrocarbons into aromatics, while also increasing p-xylene production through aromatic methylation reactions, with the p-xylene content in the xylene mixture exceeding 75 wt %. The fluidized bed reactor achieves increased p-xylene production by controlling the progression of cascade reactions (naphtha→benzene / toluene→p-xylene). Additionally, it utilizes the methylation reaction of benzene / toluene with methanol to provide in-situ heat for the coupled naphtha-methanol aromatization process, thereby achieving autothermal balance.
Owner:DALIAN INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES +1

Thiazolyl-pyrazolo[1, 5-a]pyridine compounds and their use as MYLK4 inhibitors

The present application provides novel compounds that inhibit MYLK4 activity and their medical use. A compound of Formula (I) or a pharmaceutically acceptable derivative thereof is provided: (in the formula, R 1 to R 5 each independently is hydrogen or a C 1‑3 linear aliphatic hydrocarbon; R 6 a 5- to 10-membered aromatic hydrocarbon optionally substituted, a 5- to 10-membered heterocycle optionally substituted having 1 to 5 heteroatoms independently selected from nitrogen, oxygen, and sulfur as ring constituent atoms, or a condensation ring of any of the foregoing with a 4- to 10-membered heterocyclic group optionally substituted having 1 to 3 heteroatoms independently selected from nitrogen, oxygen, and sulfur as ring constituent atoms), and the like as medicines.
Owner:ZENYAKU KOGYO KK

Cyclic diol compound, method for producing the same, and catalyst for saccharide decomposition

To provide a method for producing a cyclic diol compound derived from saccharides as a starting material, a cyclic diol compound, and a catalyst for saccharide decomposition.SOLUTION: A method for producing a cyclic diol compound represented by the following general formula (1), comprises a step of reacting glucose or mannose in the presence of zeolite and a metal oxide in an aliphatic alcohol solvent having 1 to 10 carbon atoms, wherein the metal oxide comprises at least one selected from the group consisting of oxides of Group 2 metal elements, oxides of Group 5 metal elements, oxides of Group 6 metal elements, and complex metal oxides, and the complex metal oxide is Mo3Nb2O14 or W3Nb2O14. [In the formula, R represents an aliphatic hydrocarbon group having 1 to 10 carbon atoms].SELECTED DRAWING: None
Owner:HOKKAIDO UNIVERSITY

Method for producing polyacetal

PendingCN121045480APolymer sciencePtru catalyst
The invention relates to a method for producing polyacetal. In a method for producing polyacetal using a cationic active catalyst, the cationic active catalyst is efficiently deactivated and washed, thereby producing polyacetal having excellent thermal stability. A method for producing a polyacetal, characterized by comprising: a polymerization step for polymerizing at least one cyclic ether and / or cyclic formal containing trioxymethylene in the presence of at least one cationic active catalyst; and a deactivating and washing step in which the crude polyacetal obtained in the polymerization step is brought into contact with a deactivating and washing solution obtained by dissolving or suspending a basic compound in an aliphatic hydrocarbon solvent, thereby deactivating and washing the cationic active catalyst in the same step.
Owner:ASAHI KASEI KOGYO KABUSHIKI KAISHA

Polycarbonate polyols, polyurethanes, adhesives, paints, sealants, water-based polyurethanes, water-dispersible compositions, and synthetic leathers

PendingJP2026091285APolymer sciencePolyol
For example, we provide polycarbonate polyols and the like that can provide polyurethanes with excellent heat resistance and weather resistance, in which discoloration due to heat during polyurethane manufacturing and discoloration over time are suppressed. [Solution] A polycarbonate polyol characterized by having repeating structural units represented by the following formula (1) and structural units represented by the following formula (2). JPEG2026091285000021.jpg22170 (In formula (1), R1 is any divalent aliphatic hydrocarbon group.) JPEG2026091285000022.jpg12170 (In formula (2), R2 is any monovalent aliphatic hydrocarbon group, and R3 is any divalent aliphatic hydrocarbon group.)
Owner:ASAHI KASEI KOGYO KABUSHIKI KAISHA

Functional coating, separator and secondary battery

PendingCN122338355AElectrical batteryNew energy
This application belongs to the field of new energy battery technology, specifically relating to a functional coating, a separator, and a secondary battery. The functional coating provided in this application includes a functional material, which comprises a carboxylate with the chemical formula (RCOO). x (OH) y M is a metal ion with a valence of 1-3, x is 1, 2, or 3, y is 0 or 1, and R is an aliphatic hydrocarbon group with 9-20 carbon atoms; the mass content of M is denoted as m% based on the mass of the functional coating, satisfying: 1≤m≤30. The functional coating provided in this application enables the battery to reduce micro-short circuits and has better fast charging performance, thermal safety, and cycle performance.
Owner:ZHUHAI COSMX BATTERY CO LTD

DNA methylation promoter, oral composition for promoting DNA methylation, and use of compound

This DNA methylation promoter contains a compound represented by formula (I), a racemate thereof, or a salt thereof. [In formula (I), X represents a carbon atom or an oxygen atom, R1 represents a saturated aliphatic hydrocarbon group optionally including a ring structure, R2 represents a saturated or unsaturated aliphatic hydrocarbon group that has 10-30 carbon atoms and that optionally has a substituent group which is an alkyl group having 1-4 carbon atoms or an alkoxy group having 1-4 carbon atoms, a carbon atom of a glycerol skeleton optionally has a substituent group, * represents an oxygen atom bound to R3, and R3 represents an AA optionally having a substituent group.]
Owner:INST OF RHEOLOGICAL FUNCTION OF FOOD +1

Adhesive composition for laminated optical film, and laminated optical film

Provided is an adhesive composition for laminated optical films, which is used for bonding at least two optical films, and which contains a curable component, metal oxide particles, and a compound represented by general formula (1) (wherein X represents a reactive group; (In the formula, Y represents an alkylene group having 1-12 carbon atoms and optionally having a branched chain, or a phenylene group optionally having a substituent, and R1 and R2 each independently represent a hydrogen atom, an aliphatic hydrocarbon group optionally having a substituent, an aryl group, or a heterocyclic group).
Owner:NITTO DENKO CORP

Water-repellent agent composition

The present invention provides a water-repellent agent composition which contains a polymer (A) having a repeating unit that is derived from a silicon-containing monomer represented by formula CH2=C(-Ra)-X-SiZ3 (in the formula, Ra represents a hydrogen atom or a hydrocarbon group having 1 to 5 carbon atoms, X represents a divalent group that is composed of one or more selected from the group consisting of X1 and X2, X1 represents a group that is composed of one or more selected from the group consisting of -O-, -C(=O)-, and -NR'- (wherein each R' independently represents a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms), X2 represents a divalent aliphatic hydrocarbon group having 1 to 40 carbon atoms, each Z independently represents a hydrocarbon group having 1 to 10 carbon atoms or –(O-SiZ1 2)n-O-SiZ2 3, each Z1 independently represents a hydrocarbon group having 1 to 10 carbon atoms or -OSiZ11 3, each Z11 independently represents a hydrocarbon group having 1 to 10 carbon atoms or -OSiZ111 3, each Z111 independently represents a hydrocarbon group having 1 to 10 carbon atoms, each Z2 independently represents a hydrocarbon group having 1 to 10 carbon atoms or -OSiZ21 3, each Z21 independently represents a hydrocarbon group having 1 to 10 carbon atoms or -OSiZ211 3, each Z211 independently represents a hydrocarbon group having 1 to 10 carbon atoms, and each n independently represents an integer of 0 to 196) and a dispersant (B), wherein: the polymer (A) contains the repeating unit that is derived from the silicon-containing monomer in an amount of 90% by weight or more based on the weight of the polymer (A); and polymer (A) has a number average molecular weight of 60,000 to 4,000,000 inclusive. The water-repellent agent composition is capable of imparting both good water repellency and good slip resistance to a base material (particularly, a fiber product).
Owner:DAIKIN INDUSTRIES LTD