33 results about "Fluorinated hydrocarbons" patented technology

A method comprises adding a fluoride anion scavenger to the waste stream, adding a base and then heating to de-fluorinate fluorinated hydrocarbons and liberating the fluoride ions, which are scavenge

A method of treating a process waste stream contaminated with fluorinated hydrocarbons, such as per- and / or polyfluoralkyl substances (PFAS), the method comprising: adding a fluoride anion scavenger (e.g. calcium hydroxide) to the process waste stream; adding a base (e.g. sodium hydroxide or lithium hydroxide) to the process waste stream; and heating the process waste stream after addition of the fluoride anion scavenger and the base to defluorinate the fluorinated hydrocarbons liberating fluoride anions which are scavenged by the fluoride scavenger. The heating step may be performed in the presence of a platinum group metal catalyst.

The purpose of the present invention is to provide a radiation-sensitive composition and a pattern formation method that enable formation of a resist film that, when a next-generation technology is applied, can exhibit sufficient levels of sensitivity and CDU and suppress development defects. Another purpose of the present invention is to provide a polymer and a compound applicable to the radiation-sensitive composition.　The present invention relates to a radiation-sensitive composition containing a solvent and a polymer containing a structural unit (I) having an acid-dissociable group and a structural unit (II) represented by formula (1). (In the formula (1), R1 is a hydrogen atom, a fluorine atom, a methyl group, or a trifluoromethyl group. R2 is a divalent organic group having 1 to 50 carbon atoms. Z is an amide bond. R3 is a single bond or an organic group having 1 to 5 carbon atoms. Rf1 and Rf2 are each independently a hydrogen atom, a fluorine atom, or a fluorinated hydrocarbon group, and at least one thereof is a fluorine atom or a fluorinated hydrocarbon group. When there are multiple Rf1s and multiple Rf2s, the multiple Rf1s and the multiple Rf2s are each the same or different. n is an integer of 1 to 3. M+ is a monovalent onium cation.)

Provided is a composition for a refrigerator, which is a mixture of a mixed refrigerant that has a low global warming potential and contains carbon dioxide, and a refrigerator oil that has excellent compatibility with the mixed refrigerant and that has excellent thermal stability with respect to the mixed refrigerant. The composition for a refrigerator contains a refrigerant mixture and a refrigerator oil containing a base oil, the refrigerant mixture containing a fluorinated hydrocarbon compound and carbon dioxide, and the base oil containing at least one selected from the group consisting of polyvinyl ethers and polyol esters.

A process for recovering and upgrading unsaturated fluorinated hydrocarbons, comprises: a) providing a foam M1 consisting of pores containing a composition C1 comprising at least one unsaturated fluorinated hydrocarbon; b1) optionally grinding or compressing said foam M1 to form a ground foam or a compressed foam; b2) optionally recovering at least a portion of said composition C1; c) depolymerizing or dissolving said foam M1 provided in step a) or said ground or compressed foam obtained in step b1); d) recovering at least a portion of said composition C1 and optionally mixing the latter with said at least a portion of the composition recovered in step b2) to form a stream A comprising at least one unsaturated fluorinated hydrocarbon; e) recovering and separating said stream A into a plurality of streams of which at least one stream B1 comprises said at least one unsaturated fluorinated hydrocarbon.

A resist composition including a base material component whose solubility in a developing solution is changed by an action of an acid and a compound represented by General Formula (d0). In Formula (d0), Rf represents a fluorinated hydrocarbon group; V0 represents a hydrocarbon group which may have a substituent or a single bond; Y0 represents a divalent linking group having an oxygen atom; I represents an iodine atom; x represents an integer of 1 to 4, y represents an integer of 1 to 4; 2≤x+y≤5 is satisfied; a total number of fluorine atoms contained in x pieces of Rf's is 5 or more; Mm+ represents a sulfonium cation or an iodonium cation; and m represents an integer of 1 or greater.

A highly fluorinated lubricant is configured to be adsorbed by an outer coating of a magnetic recording medium. The lubricant may have the following structure: R1-Rf-R1 wherein Rf is-CF2O (CF2CF2O) nCF2-, where n is from 1 to about 100, or Rf is-CF2CF2O (CF2CF2CF2O) sCF2CF2-,-CF2CF2O (CF2CF2CF2O) sCF2CF2-,-CF2CF2O [CF (CF3) CF2O] sCF2CF2-,-CF2O (CF2CF2O) r (CF2O) sCF2-, or-CF2O (CF2CF2O) sCF2-, and r, s are independently from 1 to about 100, and R1 is a fluorinated hydrocarbon having a functional group terminated with-OH.

A refrigerator oil composition may effectively suppress an increase in an acid value even when a ratio of an unsaturated fluorinated hydrocarbon compound (HFO) in a refrigerant is increased. Such a refrigerator oil composition can used for a refrigerant and may include one or more unsaturated fluorinated hydrocarbon compounds of formula (1):CxFyH  (1),wherein x is an integer of 2 to 6, y is an integer of 1 to 11, and z is an integer of 1 to 11, and one or more carbon-carbon unsaturated bonds are present in the molecule. The refrigerator oil composition may include a base oil (A), and one or more silicone compounds (B) selected from the group consisting of an unmodified silicone (B1) and a modified silicone (B2), wherein a content of the silicone compound (B) is 0.05% by mass or more based on the total amount of the refrigerator oil composition.

A method of treating a process waste stream contaminated with fluorinated hydrocarbons, the method comprising: adding a fluoride anion scavenger to the process waste stream; and contacting the process waste stream with a platinum group metal catalyst to defluorinate the fluorinated hydrocarbons liberating fluoride anions which are scavenged by the fluoride scavenger.

A highly fluorinated lubricant configured to be adsorbed by an overcoat of a magnetic recording medium. The lubricant may have a structure:where Rf is —CF2O(CF2CF2O)nCF2— where n is from 1 to about 100, or Rf is —CF2CF2O(CF2CF2CF2CF2O)sCF2CF2—, —CF2CF2O(CF2CF2CF2O)sCF2CF2—, —CF2CF2O[CF(CF3)CF2O]sCF2CF2—, —CF2O(CF2CF2O)r(CF2O)sCF2—, or —CF2O(CF2CF2O)CF2—, and r, s are independently from 1 to about 100, and R1 is a fluorinated hydrocarbon having a functional group terminating in —OH.

A method for fabricating a transistor array substrate and a method for fabricating a display device are provided. The method of fabricating the transistor array substrate includes forming on a substrate, a material layer for an oxide semiconductor layer containing IGZO, forming a photoresist pattern on the material layer for the oxide semiconductor layer, and etching the material layer for the oxide semiconductor layer using an etching gas containing a fluorinated hydrocarbon gas represented by CxHyFz, wherein x, y and z are each integers from 1 to 10.

A radiation-sensitive resin composition includes: an onium salt compound (1) represented by formula (1); an onium salt compound (2) different from the onium salt compound (1); a resin including a structural unit which includes an acid-dissociable group; and a solvent. W is a monovalent chain organic group having 1 to 40 carbon atoms, a monovalent cyclic organic group having 5 or less carbon atoms, or a monovalent group obtained by combining a monovalent chain organic group having 1 to 40 carbon atoms and a cyclic structure having 5 or less carbon atoms; R1 and R2 are each independently a hydrogen atom, a fluorine atom, a monovalent hydrocarbon group, or a monovalent fluorinated hydrocarbon group; R3, R4, and R5 are each independently a fluorine atom or a monovalent fluorinated hydrocarbon group; m1 is an integer of 1 to 8; and Z+ is a monovalent radiation-sensitive onium cation.

A refrigerator oil composition, including a refrigerant containing one or more unsaturated fluorinated hydrocarbon compounds of the following general formula (1):CxFyHz  (1)where x is an integer of 2 to 6, y is an integer of 1 to 11, z is an integer of 1 to 11, and one or more carbon-carbon unsaturated bonds are present. The refrigerator oil composition further includes a base oil (A) selected from the group consisting of a polyalkylene glycol compound, a polyvinyl ether compound, a copolymer of poly(oxy)alkylene glycol or a monoether thereof and a polyvinyl ether, and a polyol ester compound, and an epoxy compound (B), where the epoxy compound (B) contains the following (B1) and (B2):(B1) at least one divalent group represented by the following formula (1),(B2) at least one ester group.

The present application relates to fluorinated hydrocarbon refining purification technical field, specifically to the purification device and method of pharmaceutical grade R134a, the device includes industrial grade R134a product tank, initial separation condenser, feed pump, degassing tower, rectifying tower, product condenser, adsorber and pharmaceutical grade product tank connected in turn, the purification method is: the raw material is condensed to remove non-condensable gas, the liquid phase enters the rectifying tower to remove light components, then enters the rectifying tower to remove heavy components and isomers, the gas phase condenses after the top of the rectifying tower and enters the adsorber filled with gradient fluorinated modified activated carbon, and the R1122 impurities and moisture are deeply removed, the present application adopts HF-N2 gradient concentration and temperature modification activated carbon, the micropore aperture is accurately controlled to 0.6-0.9nm and the polar C-F bond is formed on the surface, the double targeted capture of R1122 is realized, and finally the high-quality pharmaceutical grade R134a product with purity ≥99.99% and no R1122 detection is stably obtained.

The disclosure provides for covalent dual-functional inhibitors of peanut allergic reactions where the inhibitors include a targeting moiety comprising a peanut allergen protein epitope or mimotope peptide sequence, a reactive functional group capable of forming a site-directed covalent bond to the amine moiety of a lysine amino acid of an allergen reactive immunoglobulin, and a variable length spacer comprising oligomers of ethylene glycol monomers, amino acids, saccharides, hydrocarbons, fluorinated hydrocarbons, or a combination thereof, wherein the 10 spacer is conjugated by one or more amide bonds to the TM and the FG.

Through a refrigerant and the refrigerant comprising a component selected from the following general formula (1) C x F y H z ...(1) [In the aforementioned general formula (1), x is 2 to 6, y is 1 to 11, and z is an integer from 1 to 11, and the molecule has one or more carbon-carbon unsaturated bonds.] A refrigeration oil composition comprising one or more unsaturated fluorinated hydrocarbon compounds, and the refrigeration oil composition containing an epoxy compound (B) and a base oil (A) selected from polyalkylene glycols, polyvinyl ethers, copolymers of poly(oxy)alkylene glycols or their monoethers with polyvinyl ethers, and polyol esters, and the aforementioned epoxy compound (B) satisfies the following conditions (B1) and (B2), thereby providing a refrigeration oil composition that can effectively suppress the rise in acid value even when the ratio of unsaturated fluorinated hydrocarbon compounds (HFO) in the refrigerant is increased. (B1) The molecule has at least one divalent group represented by the following formula (1). (B2) The molecule has at least one ester group.

The invention provides a radiation-sensitive composition and a pattern forming method, wherein the radiation-sensitive composition can exert sensitivity or LWR performance, pattern rectangularity, CDU performance, pattern circularity, MEEF and exposure latitude at a sufficient level when a pattern is formed. A radiation-sensitive composition includes a first onium salt compound represented by formula (1), a second onium salt compound represented by formula (2), a polymer containing a structural unit having an acid-dissociable group, and a solvent. (In formula (1), A represents a (1 + n)-valent organic group having 1-40 carbon atoms; rf1 and Rf2 are each independently a hydrogen atom, a monovalent organic group having 1-20 carbon atoms, a fluorine atom, or a monovalent fluorinated hydrocarbon group; when there are a plurality of Rf1 and Rf2, the plurality of Rf1 and Rf2 are the same or different from each other. Wherein at least one of Rf1 and Rf2 is a fluorine atom or a monovalent fluorinated hydrocarbon group; r1 and R2 are each independently a hydrogen atom, a fluorine atom, or a monovalent organic group having 1-20 carbon atoms; when a plurality of R1 and R2 are present, the plurality of R1 and R2 are the same or different; m1 is an integer from 1 to 4; m2 is an integer of 0-4; n is an integer of 1-3; z1 + is a monovalent radiation-sensitive onium cation; wherein the number of fluorine atoms in Z1 + is 8 or less) (In formula (2), R4 represents a monovalent organic group having 1-40 carbon atoms in which a fluorine atom or a fluorinated hydrocarbon group is not bonded to an atom adjacent to a sulfur atom in SO3-; and Z2 + represents a monovalent organic cation).

To provide an onium salt compound capable of exhibiting sensitivity, LWR performance, and CDU performance at a sufficient level.SOLUTION: An onium salt compound comprising a structure represented by the following formula (1-2): (In the formula, Rf1 and Rf2 are each F or a monovalent fluorinated hydrocarbon group having 1 to 20 carbon atoms; R1 is H, a monovalent hydrocarbon group having 1 to 20 carbon atoms, F, or a monovalent fluorinated hydrocarbon group having 1 to 20 carbon atoms; R2 to R7 are each H or a monovalent hydrocarbon group having 1 to 20 carbon atoms; n1 is an integer of 0 to 4; n2 is an integer of 0 to 4; provided that n1+n2 is an integer of 2 to 8; n3 is an integer of 0 to 5; X1 and X2 are each O or S; and Z+ is a monovalent radiation-sensitive onium cation).SELECTED DRAWING: None

A radiation-sensitive resin composition includes: a base resin comprising a structure unit having an acid-dissociable group; and a radiation-sensitive acid generator which comprises compounds represented by formula (2) and formula (3), and optionally a compound represented by formula (1). R1-R3 are each independently a group having a cyclic structure; X11-X32 are each independently a hydrogen atom, a fluorine atom, or a fluorinated hydrocarbon group. At least one of X11 or X12, at least one of X21 or X22, and at least one of X31 or X32 are not a hydrogen atom, respectively. A11-A32 are each independently a hydrogen atom, or a hydrocarbon group having a carbon number of 1 to 20. The radiation-sensitive resin composition does not comprise a ketone-based solvent. The the radiation-sensitive resin composition does not comprise a monovalent onium cation other than an onium cation represented by formulas (X-1), (X-3), (X-4), or (X-5).

A novel method for producing an aqueous fluoropolymer dispersion is provided. The method comprises the steps of: reacting one or more fluoromonomers with a compound of the formula: TIFF0007792546000012.tif32131 and a non-fluorinated hydrocarbon compound represented by the formula (I) in water to obtain an aqueous fluoropolymer dispersion; a step of aqueously polymerizing one or more fluoromonomers in the aqueous fluoromonomer dispersion to obtain an aqueous fluoropolymer dispersion; a step of dispersing one or more fluoromonomers in the aqueous fluoropolymer dispersion or a dilution thereof to obtain a second aqueous fluoromonomer dispersion; and a step of aqueously polymerizing one or more fluoromonomers in the second aqueous fluoromonomer dispersion to obtain an aqueous fluoropolymer dispersion.

The method comprising adding a fluoride anion scavenger to the waste stream, contacting with a platinum group metal catalyst, the fluoride ions then being scavenged by the fluoride ion scavenger. The

A method for liquid-liquid extraction includes contacting a first liquid with a second liquid sufficient to extract one or more per- and polyfluoroalkyl substances (PFASs) from the first liquid, wherein the second liquid includes a deep eutectic solvent.

A radiation-sensitive resin composition includes: an onium salt compound represented by formula (1), a resin including a structural unit which includes an acid-dissociable group, and a solvent. R1, R2, and R3 each independently represent a monovalent chain organic group having 1 to 10 carbon atoms; R4, R5, and R6 each independently represent a hydrogen atom, a fluorine atom, a monovalent hydrocarbon group, or a monovalent fluorinated hydrocarbon group; Rf1 represents a fluorine atom or a monovalent fluorinated hydrocarbon group; m1 represents an integer of 0 to 8; m2 represents an integer of 1 to 4; and Z+ represents a monovalent radiation-sensitive onium cation.

A novel method for producing an aqueous fluoropolymer dispersion is provided. The method comprises the steps of: reacting one or more fluoromonomers with a compound of the formula: TIFF0007792545000020.tif8136 and a non-fluorinated hydrocarbon compound which is a compound represented by the following formula (I) or a salt thereof in water to obtain an aqueous fluoropolymer dispersion; a step of aqueously polymerizing one or more fluoromonomers in the aqueous fluoromonomer dispersion to obtain an aqueous fluoropolymer dispersion; a step of dispersing one or more fluoromonomers in the aqueous fluoropolymer dispersion or a dilution thereof to obtain a second aqueous fluoromonomer dispersion; and a step of aqueously polymerizing one or more fluoromonomers in the second aqueous fluoromonomer dispersion to obtain an aqueous fluoropolymer dispersion.

The invention provides a radiation-sensitive composition and a pattern forming method. The radiation-sensitive composition can form a resist film which can exert sensitivity, LWR performance, pattern rectangularity, CDU, pattern roundness, MEEF and DOF at a sufficient level. A radiation-sensitive composition includes: a first onium salt compound represented by formula (1); a second onium salt compound which is at least one selected from the group consisting of carboxylate compounds represented by formula (2) and carboxylic acid intramolecular salt compounds represented by formula (3); a polymer containing a structural unit having an acid-dissociable group; and a solvent. (In formula (1), A is a (1 + n)-valent organic group having 1-40 carbon atoms, Rf1 and Rf2 are each independently a hydrogen atom, a monovalent organic group, a fluorine atom, or a monovalent fluorinated hydrocarbon group, a plurality of Rf1 and Rf2 are each the same or different when there are a plurality of Rf1 and Rf2, m1 is an integer of 1-8, n is an integer of 1-3, and Z1 + is a radiation-sensitive onium cation). (In formula (2), R1 represents a monovalent organic group having 2-40 carbon atoms, and Z2 + represents an organic cation) (In formula (3), R2 represents a single bond or a C1-40 divalent organic group, and Z3 + represents a monovalent organic onium cation).

To provide a method for dehydrating a composition containing a fluorine-based hydrocarbon compound such as HFC-134a.SOLUTION: A dehydration method includes a step of bringing a composition containing a fluorine-based hydrocarbon compound into contact with zeolite.SELECTED DRAWING: None

The invention provides a high-voltage-resistant small-particle-size composite solid electrolyte, a preparation method thereof and a solid-state battery. The high-voltage-resistant small-particle-size composite solid electrolyte comprises an inorganic solid electrolyte and a fluorine-containing organic molecular layer coating the surface of the inorganic solid electrolyte, the particle size D50 of the composite solid electrolyte is 0.1-3 [mu] m, the particle size D90 is less than 5 [mu] m, and the standard deviation std is less than 1 [mu] m; the material for forming the fluorine-containing organic molecular layer comprises fluorinated amphiphilic molecules, the structural formula of the fluorinated amphiphilic molecules is (Rf-L) n-X, and X represents a surface anchoring group and is selected from organic groups capable of generating chemical adsorption with the surface of the inorganic solid electrolyte; l represents a linking single bond or a linking group selected from a hydrocarbon group; rf represents a fluorine-containing chain segment and is selected from perfluoro-substituted or partially fluoro-substituted alkyl, and n is 1 or 2. The composite solid electrolyte is excellent in conductivity, small in particle size and good in dispersity.

Provided is a composition for refrigerators, which is a mixture of a refrigerant mixture containing carbon dioxide and a refrigerant oil having a low global warming potential value, and which has excellent thermal stability, and which contains the refrigerant mixture and the refrigerant oil containing a base oil, the mixed refrigerant contains a fluorinated hydrocarbon compound and carbon dioxide, the content of the fluorinated hydrocarbon compound is less than 25 mass% based on the total amount of the mixed refrigerant, and the base oil contains at least one selected from the group consisting of polyvinyl ethers and polyalkylene glycols.

The present invention provides a radiation-sensitive composition, a pattern forming method, and an onium salt compound which can exhibit sensitivity or CDU performance, pattern circularity, development defect suppression, depth of focus, LWR performance, pattern rectangularity, and exposure latitude at a sufficient level when forming a pattern. A radiation-sensitive composition comprising: an onium salt compound represented by formula (1); a polymer containing a structural unit (I) represented by formula (2); and a solvent. (In formula (1), A represents a C3-40 (1 + n) valent organic group containing a cyclic structure; wherein, when A contains a linear alkanediyl group, the carbon number of the linear alkanediyl group is 1 or 2; a does not contain a cyclohexyl carbonyloxy structure; rf1 and Rf2 are each independently a hydrogen atom, a monovalent organic group having 1-20 carbon atoms, a fluorine atom, or a monovalent fluorinated hydrocarbon group; when there are a plurality of Rf1 and Rf2, the plurality of Rf1 and Rf2 are the same or different from each other. Wherein at least one of Rf1 and Rf2 is a fluorine atom or a monovalent fluorinated hydrocarbon group; m1 is an integer from 1 to 4; m2 is 0 or 1; n is an integer of 1-3; z + is a monovalent radiation-sensitive onium cation; wherein the number of fluorine atoms in Z + is 8 or less) (In formula (2), RA is a hydrogen atom, a fluorine atom, a methyl group, or a trifluoromethyl group; l is a single bond or a divalent linking group; w is a monocyclic lactone structure, a monocyclic carbonate structure, a monocyclic sultone structure, a monocyclic sulfone structure or a monocyclic ether structure; r11 is a monovalent organic group with the carbon number of 1-10, a cyano group, a nitro group, a hydroxyl group or an amino group; when a plurality of R11 exist, the plurality of R11 are the same or different; p is an integer of 0-3; q is 0 or 1.)

A refrigerator oil composition used in a refrigerant containing one or more unsaturated fluorinated hydrocarbon compounds selected from compounds represented by the following general formula (1): CxFyHz (1), wherein x is an integer of 2 to 6, y is an integer of 1 to 11, z is an integer of 1 to 11, and there are one or more carbon-carbon unsaturated bonds in the molecule, the refrigerator oil composition containing a base oil (A) that includes polyvinyl ether, a modified silicone compound (B), and a specific epoxy compound (C).