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JP2015532299A |
A method for purifying a fluorinated organic carbonate, particularly a fluoroethylene carbonate produced from the reaction of ethylene carbonate with elemental fluorine, is provided. The method according to the invention comprises treati...
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JP2015528434A |
A trifluoromethyl group-containing saturated monohydric alcohol or a mixture of a trifluoromethyl group-containing saturated monohydric alcohol and a saturated linear monohydric alcohol is mixed with triphosgen, and the temperature is ad...
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JP5756088B2 |
A method of producing an alkylene oxide includes passing a reaction mixture comprising alkylene, oxygen and a gaseous chlorine-containing promoter species over a supported catalyst containing silver and a promoting amount of rhenium to u...
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JP5738206B2 |
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JP5730892B2 |
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JP5730889B2 |
A process for producing a high-purity dimethyl carbonate, which includes: (I) cooling a commercial grade dimethyl carbonate containing 1 ppm or more of chlorine to a temperature from +6° C. to −5° C. at a rate from 0.5-2° C./hour, t...
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JP5730897B2 |
The invention relates to a process for preparing a diaryl carbonate from a dialkyl carbonate and an aryl alcohol using a series of reactive distillation columns.
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JP5726880B2 |
The invention relates to a process for the preparation of an alkanediol and a dialkyl carbonate comprising: reacting an alkylene carbonate and an alkanol in the presence of a transesterification catalyst to obtain a reaction mixture comp...
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JP2015515450A |
Dialkyl carbonate and diol products are prepared in an integrated process. In one embodiment, the alkylene oxide is reacted with carbon dioxide in the presence of a halide-free homogeneous carbonation catalyst in the first reaction zone ...
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JP5725496B2 |
To provide a production method which can also obtain a carbonic ester at even a mild reaction condition, controls the discharge of a by-product, and can easily separate/purify the carbonic ester.The method of producing a carbonic ester i...
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JP2015513548A |
The presence of a metal organic skeleton (MOF) catalyst with less than 0.5 mol% of potassium or quaternary ammonium salt present relative to the number of moles of alkylene oxide feedstock in the reaction zone under the reaction conditio...
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JP5718985B2 |
Processes for the alcoholysis, inclusive of transesterification and/or disproportionation, of reactants are disclosed. The alcoholysis process may include feeding reactants and a trace amount of soluble organometallic compound to a react...
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JP5714578B2 |
Fluoroalkyl alkyl carbonates and fluorosubstituted carbamates which are suitable as additives or solvents in lithium ion batteries are prepared from fluoroalkyl fluoroformates and the respective alcohol or amine. Methanol is the preferre...
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JP5714240B2 |
Making diaryl carbonate comprises (a) producing phosgene by reacting chlorine with carbon monoxide; (b) reacting phosgene with monophenol in presence of e.g. sodium-containing base, to give a reaction wastewater solution containing diary...
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JP5708498B2 |
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JP2015083545A |
To provide a method for producing the subject compounds that have a less amount of impurity content.Provided are: a method for producing a quaternary ammonium alkyl carbonate represented by a compound (3) that is characterized in reactin...
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JP5700595B2 |
The present invention provides a separation method of separating (A) and (B), comprising: a step of separating at least either an active hydrogen-containing compound (A) or a compound (B) that reversibly reacts with (A) from a mixture co...
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JP5689881B2 |
The present invention provides a method for preparing dialkyl carbonate from urea or alkyl carbamate and alkyl alcohol using an ionic liquid comprising a cation, which produces a hydrogen ion, and a hydrophobic anion containing fluorine ...
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JP2015044820A |
To provide a method for producing carbonic acid ester, upon separation of carbonic acid ester, capable of suitably controlling the amount of acetone adopted as an entrainer.Provided is a method for producing carbonic acid ester in which ...
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JP5679331B2 |
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JP5675770B2 |
A description is given of a process for preparing solutions of radiation-sensitive, free-radically polymerizable organic compounds, where a first starting compound, which has an acid halide group, and a second starting compound, which ha...
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JP5675659B2 |
An electronic device comprising a structured organic film with an added functionality comprising a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein the structured organic film may be a mu...
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JP2015504855A |
The present invention is a method for obtaining dialkyl carbonate and alkylene glycol from a stream containing dialkyl carbonate, alkylene carbonate, alkylene glycol and alcohol, wherein (a) the dialkyl carbonate, alkylene carbonate, in ...
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JP2015028182A |
To provide a polymerization system, a polymerization method and a composition of a polycarbonate polyol and to provide a polyurethane composition.There is provided a polymerization system for copolymerization of COand an epoxide which is...
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JP5659218B2 |
The present invention provides a method for producing an aryloxytitanium composition that can solve the problems of the clogging of the storage tank, the piping, the pump, and the like during storage and transfer, and the like, and a dec...
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JP2015007099A |
To provide a method for continuously producing a diaryl carbonate with high productivity stably for a prolonged period of time.The method for producing a diaryl carbonate comprises a step (1) 110, 120 of obtaining an alkyl aryl carbonate...
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JP5652965B2 |
The present invention provides a method for continuously producing a diaryl carbonate stably for a long time with high productivity. The method for producing a diaryl carbonate according to the present invention comprises a step (1) of o...
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JP2014224056A |
To provide a method for efficiently producing an aromatic carbonic ester without requiring a multistage process.There is provided a method for producing an aromatic carbonic ester by reacting an aromatic hydroxy compound represented by t...
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JP5633196B2 |
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JP5624378B2 |
Continuous production of dialkylcarbonate compounds (I) and alkylene glycol compounds (II) as byproduct, comprises transesterification of a cyclic alkylene carbonate with an alcohol compound (III) in the presence of a catalyst. Continuou...
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JP2014208595A |
To provide a method for producing fluorine-containing carbonate, in which the high-purity fluorine-containing carbonate is produced easily in high yield by a reaction of fluorine-containing alcohol with phosgene or the like.The method fo...
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JP5612093B2 |
Processes for producing diaryl carbonates are disclosed, where such processes may provide for the production of diaryl carbonates from green house gases, such as carbon dioxide. The processes disclosed advantageously integrate diethyl ca...
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JP5604875B2 |
The present invention is to provide a production process capable of selectively producing various kinds of fluorine-containing carbonate compounds without any inhibition in high yields without using phosgene and without producing hydroge...
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JP2014177434A |
To provide a novel and useful method for manufacturing a purified carbonic acid ester by separating and removing, from a carbonic acid ester including at least one type of impurity selected from the group consisting of HF, HCl, and chlor...
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JP5594283B2 |
A compound has a following general formula (1). R0 represents an (n+1)-valent linear or branched aliphatic hydrocarbon group having 1 to 10 carbon atoms, or the like. R1 represents a hydrogen atom, a methyl group, or a trifluoromethyl gr...
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JP5596147B2 |
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JP5596049B2 |
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JP5596307B2 |
Preparing at least one diaryl carbonate, comprises: (a) reacting dialkyl carbonate(s) with aromatic hydroxyl compound(s) in a first reaction column; (b) feeding the sump product of the first reaction column containing at least one furthe...
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JP5579737B2 |
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JP5580970B2 |
Production of at least a diarylcarbonate and/or alkylarylcarbonate from at least one dialkyl carbonate and at least an aromatic hydroxy compound, comprises reacting the dialkyl carbonate in the presence of at least one transesterificatio...
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JP5574476B2 |
To provide a process for producing a carbonate ester directly from an alcohol even under moderate reaction conditions. There is provided a process for producing a carbonate ester represented by formula (2) by allowing a monohydric alcoho...
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JP5563887B2 |
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JP5562841B2 |
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JP5559181B2 |
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JP5552866B2 |
To provide a simple method for producing a polycarbonate polyol polyacrylate compound without requiring a distillation operation of by-product alcohol.Vinyl alcohol, which is produced as a by-product in the reaction of a polycarbonate po...
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JP5551876B2 |
An alkylene carbonate is produced by the reaction of an alkylene oxide with carbon dioxide in the presence of a phosphonium catalyst in a process in which (a) the alkylene oxide, carbon dioxide and the phosphonium catalyst are continuous...
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JP5544132B2 |
Preparation of diaryl carbonate comprises reacting monophenols with phosgene or chloro carbonic acid aryl esters. The reaction is carried out in the presence heterogeneous catalysts containing a metal compound. Preparation of diaryl carb...
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JP2014118376A |
To provide a method of manufacturing chloroformic acid ester capable of judging a reaction end point without sampling in the course of the reaction, and capable of obtaining chloroformic acid ester at high yield.There is provided a metho...
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JP5524629B2 |
Cyclohexanedione compounds, and derivatives thereof, which are substituted in 5-position, are suitable for use as herbicides. The cyclohexanedione compounds and derivatives of the invention are compounds of formula (I) wherein the substi...
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JP5507446B2 |
The present invention provides an epoxidation reactor system for preparing an olefin oxide comprising: one or more purification zones comprising one or more purification vessels containing an absorbent comprising copper and zinc; and a r...
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