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JP2024501820A |
The present invention provides a continuous preparation system and method for vinylidene chloride, and the present invention performs coupling through a two-stage supergravity reactor, and converts the product vinylidene chloride and wat...
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JP7413399B2 |
The present invention relates to a process for purifying 1-chloro-3,3,3-trifluoropropene comprising the steps of: a) providing a stream comprising 1-chloro-3,3,3-trifluoropropene and at least one compound of formula HX wherein X is F or ...
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JP7411780B2 |
Provided are a nitrogen-phosphorus-modified granular carbon-supported bimetallic catalyst, a preparation method thereof and the use thereof. The catalyst comprises a nitrogen-phosphorus-modified carbon carrier and metal particles support...
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JP7411124B2 |
Disclosed is a method for preparing hexafluoro-1,3-butadiene and an intermediate thereof. The method for preparing hexafluoro-1,3-butadiene comprises: A1, reacting 1,2-dibromo-1-chloro-1,2,2-trifluoroethane with a trifluorohaloethylene i...
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JP7410192B2 |
The present disclosure provides a regeneration method of a nitrogen-containing carbon catalyst, including the following steps: roasting the nitrogen-containing carbon catalyst in a nitrogen-containing atmosphere to obtain a regenerated n...
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JP7403504B2 |
To provide a method for producing 1-chloro-2,2-difluoroethylene from 1,2-dichloro-1,1-difluoroethane as a raw material, which can be performed more industrially, under relatively low temperature conditions, and show very little reduction...
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JP7403557B2 |
Disclosed is a method for preparing vinyl chloride by catalytic thermal cracking of 1,2-dichloroethane, in which method the heat required for the thermal cracking is supplied via a liquid or condensing heat transfer medium, wherein, the ...
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JP7402271B2 |
The present disclosure provides separation processes that use azeotropic or azeotropic-like compositions of 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) that allow for improved recovery rates of 1-chloro-3,3,3-trifluoropropene during or...
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JP2023178017A |
To provide (4Z,6E)-4,6-undecadienyl=trimethylacetate, which is a synthetic precursor for industrially preparing (5Z,7E)-5,7-dodecadiene compound.A production process includes subjecting [4-(trimethylacetyloxy)butyl]triarylphosphonium=hal...
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JP2023175746A |
To provide a composition which is excellent in the solubility of various organic substances and is friendly to the Earth's environment, a method of cleaning articles using the composition, a method of producing a lubricant solution using...
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JP7395422B2 |
An object of the present invention is to provide a method for efficiently obtaining fluoroethylene.A method for producing at least one fluoroethylene compound selected from the group consisting of HFO-1132(Z/E), HFO-1132a, and HFO-1123, ...
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JP2023174809A |
To provide a method for producing a fluoroolefin compound having four or more carbon atoms, in an industrially inexpensive manner, with a high conversion rate and high selectivity.The present invention provides a method for producing a f...
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JP2023169295A |
To provide a composition including 1,1,1-trifluoro-2,3-dichloropropane.A composition includes 1,1,1-trifluoro-2,3-dichloropropane, 3,3,3-trifluoropropene, a chlorine gas, a catalyst, and 1,1,1-trifluoro-3-chloropropylene. The catalyst in...
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JP2023547657A |
The present invention is a method for producing trifluoroethylene in a reactor equipped with a catalyst bed containing a catalyst. i) activating the catalyst, comprising contacting the catalyst with a gas stream comprising a reducing age...
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JP2023547660A |
The present invention is a method for producing trifluoroethylene in a reactor equipped with a fixed catalyst bed containing a catalyst, comprising: chloroethylene in the presence of a catalyst and in the gas phase to produce a stream co...
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JP7372923B2 |
The present disclosure provides various compositions including 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) and at least one impurity comprising 2,3,3,3-tetrafluoropropene (HFO-1234yf), pentafluoropropene (HFO-1225ye isomer(s)), 1,3,...
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JP2023159369A |
To provide a method for producing mixtures containing HCFO-1233zd(Z) and HCFC-244fa that improves overall yields and reduces production cost.There is provided a method for simultaneous conversion of a composition containing HCFO-1233zd(Z...
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JP2023159385A |
To provide a method for producing HFO-1234yf which may allow for the improved yields, more economical processes, and waste reduction in the production of 1234yf and subsequent processes.There is provided a method of manufacturing 2,3,3,3...
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JP7371738B2 |
Provided is a mixture comprising 2-chloro-1,3,3,3-tetrafluoropropene and 1-chloro-2,3,3,3-tetrafluoropropene, a proportion of 2-chloro-1,3,3,3-tetrafluoropropene with respect to the total amount of 2-chloro-1,3,3,3-tetrafluoropropene and...
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JP7368714B2 |
To provide a method for stably preserving a composition comprising 1-chloro-2,3,3-trifluoro-1-propene, or provide a composition comprising 1-chloro-2,3,3-trifluoro-1-propene that can be preserved for the long term.A composition comprises...
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JP7359141B2 |
Provided is a method for producing hexafluoro-1,3-butadiene, and the method can produce hexafluoro-1,3-butadiene at an industrially sufficient level of yield. In a reaction liquid containing a halogenated butane represented by chemical f...
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JP7360055B2 |
The present disclosure addresses the problem of producing an alkene having a double bond in position 2 and having four or more carbons by means of isomerization. This method for producing an alkene having a double bond at position 2 and ...
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JP7360551B2 |
The present application discloses a catalyst for pyrolysis of 1,2-dichloroethane (1,2-DCE) to prepare vinyl chloride monomer (VCM), a preparation method, a use, and a regeneration method thereof. The catalyst for pyrolysis of 1,2-DCE to ...
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JP2023131517A |
To provide a method of obtaining halogenated alkenes at a high conversion rate with a high degree of selectivity using a catalyst produced by a simple method.A halogenated alkene production method according to the present invention inclu...
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JP2023131520A |
To provide a method of obtaining halogenated alkenes with a high degree of selectivity at a high conversion rate using an inexpensive naturally occurring catalyst.A halogenated alkene production method according to the present invention ...
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JP2023131518A |
To provide a method of obtaining halogenated alkenes with a high degree of selectivity from immediately after reaction initiation using an inexpensive catalyst.A halogenated alkene production method according to the present invention inc...
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JP7348531B2 |
By fluorinating 1,2,3,3-tetrachloro-1-propene (1230xd) using hydrogen fluoride as a fluorinating agent, an efficient method for producing 1,2-dichloro-3,3-difluoro-1-propene (1232xd) is provided. Through this composition including 1232xd...
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JP7348993B2 |
A process for producing a reaction mixture comprising a plurality of C3 chlorinated alkane isomers comprising chlorinating a C3 chlorinated alkane starting material in a chlorination zone to produce the plurality of C3 chlorinated alkane...
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JP7348834B2 |
An object of the present invention is to provide a method of producing an alkene using a solvent that has little decrease in production rate over time and is easy to recover and recycle.The method of producing an alkene, which solves the...
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JP7348535B2 |
The present disclosure addresses the problem of producing a hydrogenated alkene by way of hydrogen substitution. This alkene manufacturing method includes a step in which a hydrogenation reaction is conducted in the presence of an activa...
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JP7343796B2 |
A fluoroalkyne compound can be efficiently synthesized from a fluoroalkane compound by a method for producing a fluoroalkyne compound represented by formula (1): R1C≡CR2 (1)where
in R1 and R2 are th...
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JP7342874B2 |
The present invention addresses the problem of providing a safe and economical method for producing 3,4-dichloro-1-butene by achieving an isomerization reaction of 1,4-dichloro-2-butene at low temperature in a small amount of time. The p...
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JP7340523B2 |
The present disclosure provides various manufacturing processes for the production of 2,3,3,3-tetrafluoropropene (HFO-1234yf or 1234yf). Such methods may allow for the improved yields, more economical processes, and waste reduction in th...
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JP7340621B2 |
The present invention relates to a method for preparing vinyl chloride by catalytic thermal cracking of 1,2-dichloroethane, in which method the heat required for the thermal cracking is supplied via a liquid or condensing heat transfer m...
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JP7337759B2 |
To provide a method that makes it possible to obtain a perfluoroalkadiene compound with high yield while the generated amount of an impurity difficult to separate is minimized.The present invention provides a method for manufacturing a p...
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JP7336849B2 |
A process for the fluorination of a chlorinated C3 alkane or alkene compound having at least one chlorine atom into a fluorinated C3 alkane or alkene compound having at least one fluorine atom includes the following steps: a) contacting,...
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JP2023122567A |
To provide an iodo compound-containing liquid composition that has better photostability than conventional iodo compound-containing liquid compositions.According to the present invention, a liquid composition includes an iodo compound an...
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JP7332724B2 |
The present invention provides a method for the co-production of 1,1-difluoroethane and vinyl chloride, including: (a) vaporizing dichloroethane and hydrogen fluoride, and delivering the vaporized dichloroethane and hydrogen fluoride int...
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JP7331844B2 |
To produce, from a composition containing 1-chloro-2,3,3,4,4,5,5-heptafluoro-1-pentene and a substance that may cause problems in reliability and performance, 1-chloro-2,3,3,4,4,5,5-heptafluoro-1-pentene in which the content of the subst...
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JP7331700B2 |
Provided is an efficient HCFO-1437dycc production method for producing HCFO-1437dycc with a high yield at a high selective rate through an industrially advantageous process by using easily available raw materials. This production method ...
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JP7325741B2 |
The method according to this disclosure is a method for separating an unsaturated hydrocarbon having 2 or 3 carbon atoms and a halogenated unsaturated carbon compound formed by replacing at least one of hydrogen atoms included in the uns...
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JP2023105225A |
To provide use of a fluoropropane of CF3CH=CHF as a refrigerant.The invention provides use, as a refrigerant, of a fluoropropane of formula CF3CH=CHF produced by a production method of the fluoropropane of CF3CH=CHF. The production metho...
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JP7315856B2 |
Provided is a method for producing 1,2-dichloro-3,3,3-trifluoropropene at high yield on an industrial scale by using, as a raw material, a halogenated olefin that can be purchased inexpensively. This method includes dehydrochlorinating a...
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JP7314934B2 |
Provided is a method for producing 1-chloro-2,3,3,4,4,5,5-heptafluoro-1-pentene, whereby it becomes possible to remove 1-chloro-3,3,4,4,5,5-hexafluoro-1-penthyne and water with high efficiency, it also becomes possible to achieve a high ...
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JP7310807B2 |
A 1437dycc(Z) production method is provided in which 1437dycc(E) can be efficiently removed and 1437dycc(Z) having a heightened purity can be obtained with a high recovery. The 1437dycc(Z) production method is characterized by distilling...
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JP7310803B2 |
The present invention provides a method for producing a fluorine-containing unsaturated hydrocarbon, specifically a hydrofluoroolefin, a perfluoroolefin, a hydrochlorofluoroolefin or a chlorofluoroolefin from a fluorine-containing satura...
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JP2023099721A |
To produce a hydrogenated alkene by way of hydrogen substitution.An alkene production method includes a step in which a hydrogenation reaction is performed in the presence of an activated carbon catalyst supporting a precious metal or a ...
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JP2023096609A |
To provide a method for producing and recovering HCFO from a solution composition where an organic polysiloxane component and alcohol are dissolved in hydrochlorofluoroolefin.A method for recovering hydrochlorofluoroolefin includes: a fi...
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JP7304681B2 |
Provided is a method for producing a hydrofluoroolefin (HFO) with which a diluent gas is easily separated even at a low boiling point and which has excellent productivity. This method for producing a HFO has a reaction step, in which in ...
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JP2023096010A |
To provide a method for efficiently synthesizing an alkyne compound from a fluoroalkane compound.A production method of a fluoroalkyne compound represented by general formula (1): R1C≡CR2 (1) [In formula, R1 and R2 are identical to or ...
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