46 results about "Cyclic ether" patented technology

The present invention provides a processing solution for semiconductor devices that excels in suppressing defects, a method for processing substrates, and a method for manufacturing semiconductor devices. [Solution] The present invention provides a processing solution for semiconductor devices, a method for processing substrates, and a method for manufacturing semiconductor devices, all of which contain a quaternary ammonium hydroxide compound, a cyclic ether compound, and an alkyl ketone, wherein the total content of the cyclic ether compound and the alkyl ketone is 0.001 ppm or more and less than 5 ppm.

This invention provides a UV-curable coating composition, its preparation method, and its application. The UV-curable coating composition of this invention comprises the following components in parts by weight: 40-60 parts of silicone-modified polyurethane acrylate, 5-30 parts of cyclic ether acrylate or its derivatives, 2-10 parts of silane coupling agent, 30-80 parts of filler, and 0.5-5 parts of photoinitiator; wherein the reaction raw materials for the silicone-modified polyurethane acrylate include the following components in parts by weight: 15-30 parts of isocyanate, 20-100 parts of hydroxyl-terminated polydimethylsiloxane, 20-100 parts of aromatic polyester polyol, and 3-15 parts of end-capping agent. By using hydroxyl-terminated polydimethylsiloxane to modify the polyurethane acrylate, and simultaneously adding cyclic ether acrylate or its derivatives as diluent monomers to the coating composition, the resulting coating exhibits high resistance to damp heat, high strength, and high elasticity.

This invention discloses a method for preparing polyethylene cyclohexanedicarboxylate (PECCHD) from waste PET. Specifically, it relates to a solvent composition for dissolving PET, characterized in that the solvent composition comprises a first solvent and a second solvent; the first solvent is a haloalcohol solvent or a cyclic ether solvent; the second solvent is one or more of a cyclic ether solvent, a chain ether solvent, a nitrile solvent, a ketone solvent, or a haloalkane solvent; the chain ether solvent is a chain ether solvent with 2-4 oxygen atoms; the volume ratio of the first solvent to the second solvent is 1:(1-5); the first solvent and the second solvent are not the same solvent. This method has significant advantages in terms of raw material adaptability, reaction efficiency, and industrialization potential, achieving a highly efficient conversion from low-end waste PET to high-value-added PECHD.

The application belongs to the technical field of secondary batteries, and more particularly relates to a low-temperature microemulsion electrolyte, a preparation method and application thereof. The low-temperature microemulsion electrolyte comprises an electrolyte salt, a symmetrical cyclic ether solvent, a highly chlorinated solvent insoluble in the symmetrical cyclic ether solvent, and a chlorinated ether solvent for dispersing the highly chlorinated solvent in the symmetrical cyclic ether solvent in the form of micelles. Through synergistic effect of the components, an electrolyte system with high ion conductivity, electrode interface stability and wide temperature range adaptability is constructed, effectively solving the core problems of kinetic sluggishness, poor interface stability and short cycle life of the secondary battery in an ultra-low temperature environment. The electrolyte remains liquid at -70 DEG C, and exhibits excellent cycle stability in a wide temperature range of -40 DEG C to 25 DEG C, giving the battery excellent wide temperature range adaptability, breaking the low-temperature performance bottleneck of the secondary battery, and having a broad application prospect.

Provided is a method of producing a lithium ion secondary battery, the method including: a charge and discharge treatment step of subjecting a first lithium ion secondary battery including a positive electrode having a positive electrode active material layer containing a sulfur-modified compound, a first liquid electrolyte, and a negative electrode to charge and discharge treatment; and a replacement step of replacing the first liquid electrolyte with a second liquid electrolyte to provide a second lithium ion secondary battery after the charge and discharge treatment step, wherein the first liquid electrolyte contains a solvent selected from the group consisting of: a saturated cyclic carbonate compound; and a saturated chain carbonate compound, and wherein the second liquid electrolyte contains a solvent selected from the group consisting of: a saturated cyclic ether compound; and a saturated chain ether compound.

Provided is a catalyst layer-forming composition capable of forming a catalyst layer in which the occurrence of cracks is suppressed. This composition for forming a catalyst layer contains a fluorine-containing polymer having a unit containing a cyclic ether structure and having an ion exchange group, a catalyst, and a solvent, the solvent containing water and an alcohol, the alcohol containing propanol, the content of water being 50% by mass or more with respect to the total mass of the solvent, and the content of ethanol being 50% by mass or more with respect to the total mass of the solvent. The content of propanol is 50% by mass or more with respect to the total mass of the alcohol.

This invention belongs to the field of polymer-based solid-state battery technology, specifically disclosing a method for preparing a precursor solution and a gel polymer electrolyte, and their applications. The precursor solution includes a liquid monomer and an electrolyte salt dissolved in the liquid monomer, wherein: the monomer is one or more of the following: cyclic ether, cyclic carbonate, acrylamide and acrylamide derivatives containing functional groups, acrylate and acrylate oligomers containing double bonds on one side, acrylonitrile and acrylonitrile derivatives containing functional groups, cyanoacrylate and cyanoacrylate derivatives containing functional groups; the electrolyte salt is a lithium salt, potassium salt, or sodium salt. This invention utilizes electron beam irradiation to initiate the polymerization of the precursor solution inside the battery to prepare a gel polymer electrolyte or polymer-based battery, avoiding the adverse effects of using initiators on battery performance, while effectively improving the contact performance of the electrode-electrolyte interface. This preparation method is simple and efficient, and is conducive to large-scale production.

To provide a polarizing film having a good appearance even when an optical film is bonded to the easily adhesive layer surface of a polarizer with an easily adhesive layer via an adhesive layer, and at least one resin film selected from the group consisting of polyester resin, (meth)acrylic resin, polystyrene resin, and polycarbonate resin is used as the optical film. [Solution] An optical film is bonded to the easily adhesive layer surface of a polarizer with an easily adhesive layer via an adhesive layer, the optical film being at least one resin film selected from the group consisting of polyester resin, (meth)acrylic resin, polystyrene resin, and polycarbonate resin, the adhesive composition satisfying the condition that the turbidity water absorption rate is 2.8 or higher, and the easily adhesive composition is a polarizing film containing water, a cyclic ether group-containing (meth)acrylamide derivative, and a compound represented by general formula (1).

The present application relates to self-assembled block copolymers containing cyclic cross-linkable groups and self-correcting directed self-assembly methods. The self-assembled block copolymers contain cyclic cross-linkable groups selected from one or more of the group consisting of fused saturated alicyclic aryl, cyclic amine aryl, cyclic ether, and saturated alicyclic aryl. The self-correcting directed self-assembly methods include a first directed self-assembly using a first self-assembled block copolymer, which is the self-assembled block copolymer containing cyclic cross-linkable groups described above, and cross-linking to obtain a first nanostructure, and using the first nanostructure to direct a second self-assembly of a second block copolymer to obtain a second nanostructure. The self-correcting directed self-assembly methods using the self-assembled block copolymers containing cyclic cross-linkable groups of the present application substantially reduce pattern defects and reduce line edge roughness and line width roughness.

The invention provides an aqueous cleansing composition comprising: A) one or more types of polyglycerin fatty acid esters derived from fatty acids with 8 to 10 carbon atoms and having an HLB value of 10 to 15, B) a cyclic ether or a polyglycerin ester having a dicarboxylic acid with 14 to 28 carbon atoms, C) an anionic surfactant, and D) water, wherein the component B is not polyglycerin fatty acid esters.

The application provides a composite polymer solid electrolyte membrane and a preparation method and application thereof, wherein lithium salt, a cyclic ether compound and a non-ether polymer soluble in or insoluble in the cyclic ether compound are mixed, a polymerizable system is uniformly coated on one side or both sides of a porous membrane through a method such as drop coating, blade coating, spray coating, gravure coating and the like, the non-ether polymer soluble in or insoluble in the cyclic ether compound in the mixture is intercepted on one side of the porous membrane, part of the lithium salt and the cyclic ether compound penetrate into the inside of the porous membrane and the other side under the action of gravity and capillary force, and a polymer electrolyte layer different from the inside of the porous membrane is formed on both sides of the porous membrane through ring-opening polymerization, so that the composite polymer solid electrolyte membrane is obtained.

This invention relates to the field of alkali metal-based battery technology, and particularly to a fluorinated cyclic triphosphazene compound, a flame-retardant electrolyte, and an alkali metal-based battery. The fluorinated cyclic triphosphazene compound provided by this invention has the general structural formula shown in Formula I: Formula I; R1~R6 are each independently selected from -F or ; and one or two of R1~R6 are ; R7 is selected from substituted or unsubstituted alkylene groups, substituted or unsubstituted chain ether groups, substituted or unsubstituted cyclic ether groups; substitution means that at least one hydrogen in the group is independently replaced by a halogen, cyano, olefinic, or alkyne group. This invention applies a fluorinated cyclic triphosphazene compound containing a specific difluoromethyl terminal group to a flame-retardant electrolyte. Utilizing the unique hydrogen bonding and supramolecular halogen bonding interactions between the molecules of this compound, a stable phosphazene supramolecular network is formed inside the electrolyte, thus simultaneously ensuring battery safety, high-voltage stability, and high-temperature adaptability.

To provide a liquid crystal alignment agent that can produce a liquid crystal element exhibiting good liquid crystal alignment properties, low charge accumulation, and rapid residual charge relaxation, as well as a liquid crystal alignment film with high strength. [Solution] A polymer (A) containing structural units derived from a monomer having a substructure represented by formula (1), and a group F which is at least one selected from the group consisting of polymerizable carbon-carbon unsaturated bond-containing groups, isocyanate groups, protected isocyanate groups, cyclic carbonate groups, groups having a ketene structure, groups having a meldrum acid structure, cyclic ether groups, cyclic thioether groups, oxazoline groups, protected hydroxyalkylamide groups, protected thiol groups, and protected secondary amino groups. 1 A liquid crystal alignment agent containing a compound (B) having a total of two or more of in one molecule and lacking an aromatic ring. In formula (1), Ar 1 and Ar 2 This is a divalent aromatic ring group, etc. 1 X is a hydrogen atom, etc. 1 is -O- etc. TIFF2026087169000033.tif20169

This application relates to the field of battery technology, specifically to an electrolyte, a secondary battery, and an electrical device. The secondary battery includes an electrolyte comprising an organic solvent, which in turn includes at least two types of chain ether compounds and cyclic ether compounds. The cyclic ether compounds have 6-21 atoms forming the rings. The content of the cyclic ether compounds in the organic solvent is 10wt%-70wt%. The technical solution of this application can improve the low-temperature performance of the secondary battery.

Provided is a method for producing a polarizing film in which an optical film is laminated, via an adhesive layer, to the easy-adhesion layer surface of a polarizer having an easy-adhesion layer. The optical film is at least one resin film selected from the group consisting of polyester resins, (meth)acrylic resins, polystyrene resins, and polycarbonate resins. An adhesive composition contains: a (meth)acrylamide derivative containing a cyclic ether group; and a (meth)acrylate having a hydrocarbon group with 10 or more carbon atoms. An easy-adhesion composition contains water, a (meth)acrylamide derivative containing a cyclic ether group, and a compound represented by general formula (1). In the easy-adhesion composition, the solid concentration is between 55 mass% and 85 mass%, inclusive. The method for producing a polarizing film comprises a step for forming an uncured composition layer, which is obtained by laminating a coating film of the adhesive composition and a coating film of the easy-adhesion composition, by adjusting the coating amount of the coating film of the adhesive composition and / or the coating film of the easy-adhesion composition such that the total percentage of the (meth)acrylamide derivatives containing a cyclic ether group in the solid content of the uncured composition layer is between 61 mass% and 80 mass%, inclusive. In this method for producing a polarizing film in which an optical film is laminated, via an adhesive layer, to the easy-adhesion layer surface of a polarizer having an easy-adhesion layer, a polarizing film with a favorable appearance is obtained, even when at least one resin film selected from the group consisting of polyester resins, (meth)acrylic resins, polystyrene resins, and polycarbonate resins is used as the optical film.

The present application relates to the technical field of alkali metal-based battery, and particularly relates to a flame-retardant electrolyte and an alkali metal-based battery thereof. The flame-retardant electrolyte provided by the present application comprises a solvent, the solvent comprises 10% to 100% of an ether-based phosphazene solvent in terms of volume percentage, and the ether-based phosphazene solvent has the following general structure formula (I): formula (I); wherein one or more of R1 to R6 is selected from a chain ether group which is substituted or unsubstituted by a halogen atom, a cyano group, an olefin group or an alkyne group, and R7 is selected from a cyclic ether group which is substituted or unsubstituted by a halogen atom, a cyano group, an olefin group or an alkyne group. The flame-retardant electrolyte provided by the present application adopts an ether-based phosphazene solvent with a specific structure, compared with the traditional phosphazene compound which can only be used as an electrolyte additive, the coordination effect of the introduced ether group greatly improves the solubility of the phosphazene solvent to lithium salt, so that the phosphazene solvent can be used as the main solvent of the electrolyte for the flame-retardant electrolyte of a wide-temperature and high-pressure lithium battery.

Provided are a processing liquid for semiconductor devices, a method for processing a substrate, and a method for manufacturing a semiconductor device, the processing liquid including a quaternary ammonium hydroxide compound, a cyclic ether compound, and an alkyl ketone, wherein the total of the the cyclic ether compound content and the alkyl ketone content is 0.001 ppm or more and less than 5 ppm.

The application relates to the technical field of solid electrolyte materials, in particular to a POM-based solid-state polymer electrolyte and a preparation method thereof, which comprises the following steps: dispersing bacterial cellulose raw materials in an aqueous solution to form a precursor solution, vacuum-filtering and drying to obtain a bacterial cellulose film; adding a Lewis acid initiator into an organic solvent, stirring and mixing to form coating slurry; immersing the bacterial cellulose film into the coating slurry, air-drying at room temperature and heat-drying to obtain an initiator-modified bacterial cellulose film; adding a lithium salt and a cyclic ether monomer into an ether solvent to obtain POM-based solid electrolyte slurry, coating the POM-based solid electrolyte slurry on the initiator-modified bacterial cellulose film, and drying to obtain the POM-based solid-state polymer electrolyte. The POM and the Lewis acid initiator-modified bacterial cellulose support layer are used to improve ionic conductivity, and an ultrathin, high-mechanical-strength and high-ionic-conductivity POM-based solid electrolyte is prepared.

The purpose of the present invention is to provide a curable resin composition capable of forming cured objects having large thicknesses and satisfactory shapes and a cured object obtained from the curable resin composition. This curable resin composition comprises an alkali-soluble resin (A) which comprises a repeating constituent unit (a1) having a cyclic ether group and a repeating structural unit (a2) having an acid group and has a glass transition temperature of 100°C or lower and an acid value of 40-120 mgKOH / g, a monofunctional monomer (B) having a glass transition temperature of 0°C or higher, and an organic solvent (C), wherein the content of the monofunctional monomer (B) is 10-60 parts by mass per 100 parts by mass of the alkali-soluble resin (A). The curable resin composition contains neither a monofunctional monomer (D) having a glass transition temperature lower than 0°C nor a polyfunctional monomer (E). Alternatively, when the monofunctional monomer (D) is contained, the content of the monofunctional monomer (D) is 25 parts by mass or less per 100 parts by mass of the alkali-soluble resin (A), and when the polyfunctional monomer (E) is contained, the content of the polyfunctional monomer (E) is 2 parts by mass or less per 100 parts by mass of the alkali-soluble resin (A).

This invention relates to the field of alkali metal-based battery technology, and more particularly to a cyclic ether-based alkali metal salt, an electrolyte, and an alkali metal-based battery thereof. The cyclic ether-based alkali metal salt has the following general structural formula (I): Formula (I); wherein, A + For Li + Na + or K + Z1 and Z2 are independently sulfonyl groups or single bonds; at least one of R1 and R2 is selected from cyclic ether groups; the cyclic ether group is a cyclic ether group with 1-10 oxygen atoms. The cyclic ether alkali metal salt of the present invention utilizes the ring-opening polymerization ability of the cyclic ether group to provide catalytic sites for the transition metal at the positive electrode interface during the charging process of the alkali metal-based battery, forming a special anionic polymerization CEI interface. This interface can effectively passivate the positive electrode interface and improve the high-voltage resistance and cycle stability of the battery.

This invention discloses an N-N axial chiral phase-transfer catalyst, its synthesis method, and its applications, belonging to the field of asymmetric catalytic synthesis technology. Using chiral 2,4-pentanediol and N-Boc-indolephenol as starting materials, this invention efficiently constructs an N-N axial chiral biscarbazole cyclic ether skeleton through a five-step reaction involving Mitsunobu etherification, deBoc protection, PIDA oxidative cyclization, radical bromoxymethylation, and intramolecular quaternization. This method eliminates the need for complex chiral resolution and noble metal coupling, employs mild reaction conditions, uses readily available and inexpensive starting materials, achieves high overall yield, and yields a product with an axial chirality ee value ≥98%. The resulting catalyst possesses excellent conformational rigidity, chiral induction ability, and phase-transfer performance, exhibiting broad substrate applicability. It also possesses bisindole ring bioactivity, making it widely applicable in asymmetric catalytic synthesis in pharmaceuticals, fine chemicals, and other fields, and providing new directions for the development of antibacterial and antitumor biomaterials.

The invention discloses an electrolyte, a preparation method thereof and a sodium ferric sulfate cathode-free battery, and relates to the technical field of material preparation. The electrolyte is applied to the sodium ferric sulfate cathode-free battery and comprises an electrolyte, an ether mixed solvent and an additive, the electrolyte comprises inorganic sodium salt; the ether mixed solvent comprises a chain ether solvent, an organic sodium fluoride salt additive and a cyclic ether solvent; the additives comprise an organic small molecule additive and an inorganic sodium salt additive, the molar conductivity of the organic small molecule additive is greater than or equal to 40cm < 2 > mol <-1 > omega <-1 >, and the organic sodium fluoride salt additive can be preferentially decomposed into a film under the voltage condition of greater than or equal to 4V. The invention aims to prepare an electrolyte which is compatible with a sodium ferric sulfate positive electrode and can be induced to form a stable and compact solid electrolyte interface film (SEI film).

In-situ preparation and application of a thermoresponsive polyether polymer solid electrolyte, relating to a method for preparing a thermoresponsive polyether polymer solid electrolyte and its application in solid-state batteries. This invention utilizes the property of polyethers to depolymerize at high temperatures and repolymerize at low temperatures to achieve interface repair and electrolyte recycling in battery systems. The in-situ preparation and application of the thermoresponsive polyether polymer solid electrolyte of this invention consists of cyclic ethers, crosslinking agents, initiators, lithium salts, plasticizers, and additives. The polyether solid electrolyte obtained by this invention has thermoresponsive characteristics, can repair batteries with interface separation, reconstruct physical contacts, effectively restore and extend battery cycle life; furthermore, the depolymerized cyclic ether monomers can be collected by heating the cycled battery and reused in assembling new batteries. This electrolyte has broad application prospects.

Provided is a membrane electrode assembly capable of inhibiting cross permeation of hydrogen. A membrane electrode assembly, which is a solid polymer type membrane electrode assembly for water electrolysis, includes an anode having a catalyst layer, a cathode having a catalyst layer, and a solid polymer electrolyte membrane disposed between the anode and the cathode, at least one of the catalyst layer in the anode and the catalyst layer in the cathode including a fluorine-containing polymer that includes a unit having a cyclic ether structure and has an ion exchange group.

A catalyst layer forming composition is provided, capable of forming a catalyst layer for a membrane electrode assembly used in a solid polymer fuel cell with excellent power generation performance and durability. The catalyst layer forming composition comprises: a fluoropolymer having units comprising a cyclic ether structure and having ion exchange groups, a catalyst, and a solvent, wherein the ion exchange capacity of the fluoropolymer is 1.20 mEq / g dry resin or less, the catalyst comprises a carbon support and a metal supported on the carbon support, and the mass ratio of the fluoropolymer to the carbon support is 0.6 to 1.5.

This invention discloses a star-shaped polyamino acid nanoparticle with long-cycle properties, its preparation method, and its applications, belonging to the field of biomedical technology. The nanoparticles of this invention have a star-shaped structure with a polyamide-amine dendritic macromolecule as the core and copolymerized amino acids as arms; the nanoparticles are first initiated by polyamide-amine as an initiator. N -Carboxylic acid ring anhydride and second N The nanoparticles are prepared by random copolymerization of anhydride monomers within a carboxylic acid ring in an organic solvent. The organic solvent is a mixture of a low-polarity haloalkane and a high-polarity amide or cyclic ether solvent in a volume ratio of 9:1. This preparation method is simple and efficient. This invention, by controlling the types of amino acids, the charge of the nanoparticles, and their topological structure, demonstrates that the star-shaped topology and glutamic acid / lysine side chains play a crucial role in achieving long-term cycling. These nanoparticles have broad application prospects in the preparation of therapeutic tumor drugs.

This invention provides an electrolyte for lithium-sulfur batteries and a lithium-sulfur battery comprising the same, wherein the electrolyte exhibits excellent capacity retention and lifespan characteristics by comprising a predetermined non-aqueous solvent. According to one embodiment of the invention, the electrolyte for lithium-sulfur batteries comprises a lithium salt and a non-aqueous solvent, wherein the non-aqueous solvent comprises a linear ether solvent but not a cyclic ether solvent. The linear ether solvent comprises a compound having the structure of Formula 1, and the content of the compound having the structure of Formula 1 is 35-70% by volume relative to a total of 100% by volume of the non-aqueous solvent. [Formula 1] R1 and R1' are each independently a straight-chain or branched alkylene group having 1 to 10 carbon atoms, a straight-chain or branched alkenyl group having 1 to 10 carbon atoms, a cycloalkylene group having 3 to 10 carbon atoms, or an aryl group having 6 to 10 carbon atoms.