ЛИНИЯ ДЛЯ ПРОИЗВОДСТВА ХЛОРОПАРАФИНОВ

Линия для производства хлоропарафинов, включающая последовательно соединенные мерники для воды и исходных реагентов, смеситель для приготовления электролита, бездиафрагменный электролизер, фазоразделитель, выпарной аппарат и сборник готовой продукции, где электролизер в верхней части соединен с абсорбером, причем абсорбер и фазоразделитель соединены с мерниками воды. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 78 188 (13) U1 (51) МПК C07C 19/00 (2006.01) C25B 3/06 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21), (22) Заявка: 2008124291/22 , 16.06.2008 (24) Дата начала отсчета срока действия патента: 16.06.2008 (45) Опубликовано: 20.11.2008 R U 7 8 1 8 8 Формула полезной модели Линия для производства хлоропарафинов, включающая последовательно соединенные мерники для воды и исходных реагентов, смеситель для приготовления электролита, бездиафрагменный электролизер, фазоразделитель, выпарной аппарат и сборник готовой продукции, где электролизер в верхней части соединен с абсорбером, причем абсорбер и фазоразделитель соединены с мерниками воды. Ñòðàíèöà: 1 U 1 U 1 (54) ЛИНИЯ ДЛЯ ПРОИЗВОДСТВА ХЛОРОПАРАФИНОВ 7 8 1 8 8 (73) Патентообладатель(и): Институт органической и физической химии им. А.Е. Арбузова Казанского научного центра РАН (ИОФХ им. А.Е. Арбузова КазНЦ РАН) (RU) , Общество с ограниченной ответственностью (ООО "ОЛЕФИН") (RU) R U Адрес для переписки: 420088, Республика Татарстан, г.Казань, ул. Арбузова, 8, патентный отдел, А.А. Гурылевой (72) Автор(ы): Будникова Юлия Германовна (RU), Краснов Сергей Анатольевич (RU), Магдеев Ильдар Мухтарович (RU), Синяшин Олег Герольдович (RU) U 1 U 1 7 8 1 8 8 7 8 1 8 8 R U R U Ñòðàíèöà: 2 RU 78 188 U1 Полезная модель относится к химической промышленности, а именно к технологическим линиям для получения хлоропарафинов С1 6-С2 8 и выше, которые 5 10 15 20 25 30 35 40 45 50 находят применение в качестве вторичных пластификаторов полимерных материалов, ...

Process For Preparing 3,3,3-Trifluoropropene

The invention provides a process for preparing 3,3,3-trifluoropropene (1243zf), the process comprising contacting a compound of formula CX 3 CH 2 CH 2 X or CX 3 CH═CH 2 , with hydrogen fluoride (HF) in the presence of a zinc/chromia catalyst, wherein each X independently is F, Cl, Br or I, provided that in the compound of formula CX 3 CH═CH 2 , at least one X is not F.

PROCESS FOR SEPARATION OF TETRAFLUOROETHYLENE FROM CARBON DIOXIDE USING IONIC LIQUIDS

A process for separating tetrafluoroethylene from a mixture comprising tetrafluoroethylene and carbon dioxide by contacting the mixture with at least one ionic liquid. 1. A process for separating tetrafluoroethylene from a mixture comprising tetrafluoroethylene and carbon dioxide , comprising contacting the mixture with at least one ionic liquid in which carbon dioxide is soluble to a greater extent than tetrafluoroethylene , and separating the tetrafluoroethylene from the mixture.3. The process of wherein at least one of R claim 1 , R claim 1 , R claim 1 , R claim 1 , R claim 1 , R claim 1 , R claim 1 , R claim 1 , R claim 1 , and Rcomprises F.4. The process of wherein an ionic liquid comprises an anion selected from the group consisting of [CHCO] claim 1 , [HSO] claim 1 , [CHOSO] claim 1 , [CHSOSO] claim 1 , [AlCl] claim 1 , [CO] claim 1 , [HCO] claim 1 , [NO] claim 1 , [NO] claim 1 , [SO] claim 1 , [PO] claim 1 , [HPO] claim 1 , [HPO] claim 1 , [HSO] claim 1 , [CuCl] claim 1 , Cl claim 1 , Br claim 1 , I claim 1 , SCN claim 1 , and any fluorinated anion.5. The process of wherein an ionic liquid comprises an anion selected from the group consisting of [CHCO] claim 2 , [HSO] claim 2 , [CHOSO] claim 2 , [CHOSO] claim 2 , [AlCl] claim 2 , [CO] claim 2 , [HCO] claim 2 , [NO] claim 2 , [NO] claim 2 , [SO] claim 2 , [PO] claim 2 , [HPO] claim 2 , [HPO] claim 2 , [HSO] claim 2 , [CuCl] claim 2 , Cl claim 2 , Br claim 2 , I claim 2 , SCN claim 2 , and any fluorinated anion.6. The process of wherein an ionic liquid comprises an anion selected from the group consisting of [CHCO] claim 3 , [HSO] claim 3 , [CHOSO] claim 3 , [CHSOSO] claim 3 , [AlCl] claim 3 , [CO] claim 3 , [HCO] claim 3 , [NO] claim 3 , [NO] claim 3 , [SO] claim 3 , [PO] claim 3 , [HPO] claim 3 , [HPO] claim 3 , [HSO] claim 3 , [CuCl] claim 3 , Cl claim 3 , Br claim 3 , I claim 3 , SCN claim 3 , and any fluorinated anion.7. The process of wherein an ionic liquid comprises an anion selected from the group ...

METHODS OF REMOVING IMPURITIES FROM ALKYL BROMIDES DURING DISTILLATION AND DISTILLATE PRODUCED THEREIN

Methods are provided for removing impurities from compositions comprising alkyl bromide. Such methods comprise combining such composition with at least one nonvolatile epoxide during distillation to purify the alkyl bromide. Ultra pure alkyl bromide compositions are also provided. 1. A continuously produced distillate composition comprising 1-bromopropane with a purity of greater than about 99.8%.2. The continuously produced distillate of which has been derived by combining a composition comprising 1-bromopropane with at least one nonvolatile epoxide during distillation of the composition.3. A continuously produced distillate composition comprising 1-bromopropane having a 2-bromopropane content of less than about 120 ppm (wt/wt).4. The continuously produced distillate composition of which has been derived by combining a composition comprising 1-bromopropane with at least one nonvolatile epoxide during distillation of the composition. n-Propyl bromide (also referred to as 1-bromopropane, propyl bromide or NPB) is a commercial product. It is particularly useful as a degreasing agent and is used for various applications including cold cleaning of electrical and mechanical parts.Methods for producing n-propyl bromide are known. One such method involves free radical hydrobromination of propylene. A variant of this method comprises continuously feeding propylene, gaseous hydrogen bromide, and a molecular oxygen-containing gas into a liquid phase reaction medium comprised of aliphatic bromide (preferably n-propyl bromide, corresponding to the product being produced) to cause anti-Markovnikov addition of HBr to propylene. The principal product is n-propyl bromide with small amounts of isopropyl bromide (also referred to as 2-bromopropane) also being co-formed. WO 2006/113307 describes a process for oxygen-initiated hydrobromination of propylene to form a crude reaction mixture of n-propyl bromide. These and other methods typically produce n-propyl bromide that includes ...

POLYISOBUTYLENES AND PROCESS FOR MAKING SAME

The present invention generally relates to alcohol-terminated polyisobutylene (PIB) compounds, and to a process for making such compounds. In one embodiment, the present invention relates to primary alcohol-terminated polyisobutylene compounds, and to a process for making such compounds. In still another embodiment, the present invention relates to polyisobutylene compounds that can be used to synthesize polyurethanes, to polyurethane compounds made via the use of such polyisobutylene compounds, and to processes for making such compounds. In yet another embodiment, the present invention relates to primary alcohol-terminated polyisobutylene compounds having two or more primary alcohol termini and to a process for making such compounds. In yet another embodiment, the present invention relates to primary terminated polyisobutylene compounds having two or more primary termini selected from amine groups or methacrylate groups. 1. A primary alcohol-terminated polyisobutylene compound according to the following formula:{'br': None, 'sub': 3', '2', '2', '3', '2', 'n, '˜˜˜C(CH)—[CH—C(CH)]—R—OH'}{'sub': 3', '12', '3', '12, 'where ˜˜˜ represents the remaining portion of a linear, star, hyperbranched, or arborescent molecule, n is an integer from 2 to about 5,000, and R is a straight Cto Clinkage formed from a corresponding straight Cto Callyl group having a double bond present at the end of the allyl group, and where the primary alcohol-terminated polyisobutylene has at least two primary alcohol termini.'}2. The primary alcohol-terminated polyisobutylene compound of claim 1 , wherein n is an integer from about 7 to about 4 claim 1 ,500.3. The primary alcohol-terminated polyisobutylene compound of claim 1 , wherein n is an integer from about 100 to about 2 claim 1 ,000.4. The primary alcohol-terminated polyisobutylene compound of claim 1 , wherein n is an integer from about 250 to about 1 claim 1 ,500.5. A method for producing a primary methacrylate-terminated polyisobutylene ...

CONVERSION OF CHLOROFLUOROROPANES AND CHLOROFLUROPROPENES TO MORE DESIRABLE FLUOROPROPANES AND FLUOROROPENES

A process is provided comprising contacting and reacting the compound CFCFCHXCl, wherein X is H or Cl, or the compound CFCF═CXCl, wherein X is H or Cl, with hydrogen in the presence of a catalyst consisting essentially of Cu, Ru, Cu—Pd, Ni—Cu, and Ni—Pd, to obtain as a result thereof reaction product comprising hydrofluoropropenes or intermediates convertible to said hydrofluoropropenes, notably CFCF═CHand CFCH═CHF. 1. A composition comprising at least one member selected from the group consisting of HFO-1234yf (CFCF═CH) , HFO-1234ze (CFCH═CHF) , and HFO-1225zc (CFCH═CF); and , at least one member selected from the group consisting of HCFC-235cb , HCFC-225ca , HCFO-1224yd , and CFO-1214ya.2. The composition of further comprising CFCCl═CHF (HCFO-1224xe).3. The composition of comprising 1234yf claim 1 , 1224yd claim 1 , 225ca and 1224xe.4. The composition of comprising 1234yf claim 1 , 1224yd and 1214ya.5. The composition of comprising 1234yf claim 1 , 1234ze claim 1 , 1224yd and 225ca.6. The composition of further comprising HCFC-245fa (CFCHCFH).7. The composition of comprising 1234ze claim 1 , 235cb claim 1 , 245fa and 1224xe.8. A composition consisting essentially of 1234yf claim 1 , 1224yd claim 1 , 225ca and 1224xe.9. A composition consisting essentially of 1234yf claim 1 , 1234ze claim 1 , 1224yd and 225ca. The present invention relates to chemical processes for converting chlorofluoropropanes (HCFC) and chlorofluoropropenes (CFO) to more desirable fluoropropanes and fluoropropenes, especially propenes that are hydrofluoroolefins (HFO), i.e. free of Cl, and to intermediates from which these HFOs can be obtained.U.S. Pat. No. 8,399,722 discloses the hydrogenation of at least one of 1,1-dichloro-2,3,3,3-tetrafluoropropene (CFCF═Cl, 1214ya) and 1-chloro-2,3,3,3-tetrafluoropropene (CFCF═CHCl, 1224yd) in the presence of catalyst composed of Pd supported on a carbon carrier to obtain 2,3,3,3,-tetrafluoropropene (CFCF═CH, 1234yf), which is free of chlorine and which ...

METHOD FOR PRODUCING 2-CHLORO-3,3,3-TRIFLUOROPROPENE

The invention relates to a method for producing 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) from at least one compound A selected from the group consisting of halopropane of formulae CXCHClCHX or CXCFClCH, or halopropenes of formula CQXCCNCHand CX═CClCHX where X independently represents a fluorine or chlorine atom, characterised in that it comprises bringing said at least one compound A into contact with HF in a gaseous phase in the presence of a fluorination catalyst AlFor fluorine-bearing alumina in order to form a gaseous flow B comprising 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) et 3,3,3-trifluoropropene (HFO-1243zf). 110.-. (canceled)11. A process for manufacturing 2-chloro-3 ,3 ,3-trifluoropropene (HCFO-1233xf) starting with at least one compound A comprising a halopropane of formula CXCHClCHX or CXCFClCH , or halopropenes of formula CClXCCl═CHor CX═CClCHX with X independently representing a fluorine or chlorine atom , the process comprising placing said at least one compound A in contact with HF in the gaseous phase at a temperature of between 225° C. and 450° C. in the presence of a fluorination catalyst AlFor fluorinated alumina to form a gaseous stream B comprising 2-chloro-3 ,3 ,3-trifluoropropene (HCFO-1233xf) and 3 ,3 ,3 -trifluoropropene (HFO-1243zf).12. The process as claimed in claim 11 , wherein stream B also comprises trichlorofluoropropene (HCFO-1231).13. The process as claimed in claim 11 , wherein stream B also comprises a dichlorodifluoropropene (HCFO-1232).14. The process as claimed in claim 11 , wherein the placing in contact is performed at a temperature of between 250° C. and 400° C.15. The process as claimed in claim 11 , wherein the placing in contact is performed with a mole ratio of HF relative to said at least one compound A of between 0.5 and 50.16. The process as claimed in claim 11 , wherein the placing in contact is performed at a pressure of between 0.5 and 20 bar.17. The process as claimed in claim 11 , wherein the placing ...

PROCESS FOR THE MANUFACTURE OF 2,2-DICHLORO-1,1,1-TRIFLUOROETHANE (HCFC-123) AND/OR HCFC-122 (1,1,2-TRICHLORO-2,2-DIFLUOROETHANE)

The invention pertains to a method in which the production of HCFC-123 (2,2-dichloro-1,1,1-trifluoroethane) and/or of HCFC-122 (1,1,2-trichloro-2,2-difluoroethane) in at least one reaction step takes place in a microreactor. Particularly, in preferred embodiments of the invention pertains to a method in which the production of HCFC-123 (2,2-dichloro-1,1,1-trifluoroethane) and/or of HCFC-122 (1,1,2-trichloro-2,2-difluoroethane) in at least one reaction step takes place in a microreactor that comprises or is made of SiC (“SiC-microreactor”), or in a microreactor that comprises or is made of an alloy, e.g. such as Hastelloy C. In an ebodiment, the processes for the manufacture of HCFC-123 (2,2-dichloro-1,1,1-trifluoroethane) and/or of HCFC-122 (1,1,2-trichloro-2,2-difluoroethane) can be efficiently combined in that HCFC-122 (1,1,2-trichloro-2,2-difluoroethane) produced by the method according the invention by using a microreactor, preferably an SiC-microreactor, may preferably advantageously serve as starting material/and/or intermediate material in the manufacture of HCFC-123 (2,2-dichloro-1,1,1-trifluoroethane), preferably also in a microreactor. 1. A process of manufacturing CHClCF(HCFC-123) , comprising:{'sub': 2', '2, '(a) providing CHClCClF(HCFC-122);'}(b) providing HF and a catalyst;(c) mixing the HCFC-122 in the step (a) with the HF and the catalyst in the step (b);{'sub': 2', '3, '(d) feeding the mixture obtained in the step (c) into at least one continuous flow reactor with upper lateral dimensions of about ≤4 mm, and carrying out the reaction of the HCFC-122 with the HF in the presence of the catalyst in the at least one continuous flow reactor to obtain a reaction mixture comprising CHClCF(HCFC-123); and'}(e) taking out the reaction mixture obtained in the step (d) from the continuous flow reactor to yield a product comprising HCFC-123.2. The process of claim 1 , wherein the HCFC-122 in the step (a) is formed by reacting tetrachloroethylene (PER) with HF ...

CONVERSION OF CHLOROFLUOROROPANES AND CHLOROFLUROPROPENES TO MORE DESIRABLE FLUOROPROPANES AND FLUOROROPENES

A process is provided comprising contacting and reacting the compound CFCFCHXCl, wherein X is H or Cl, or the compound CFCF═CXCl, wherein X is H or Cl, with hydrogen in the presence of a catalyst consisting essentially of Cu, Ru, Cu—Pd, Ni—Cu, and Ni—Pd, to obtain as a result thereof reaction product comprising hydrofluoropropenes or intermediates convertible to said hydrofluoropropenes, notably CFCF═CHand CFCH═CHF. 1. A product made by a process comprising contacting and reacting the compound CFCFCHXCl , wherein X is H or Cl , or the compound CFCF═CXCl , wherein X is H or Cl , with hydrogen in the presence of a catalyst consisting essentially of Cu , Ru , Cu—Pd , Ni—Cu , and Ni—Pd , to obtain as a result thereof reaction product comprising hydrofluoropropenes or intermediates convertible to said hydrofluoropropenes.2. A product made by a process comprising contacting and reacting the compound CFCFCHClwith hydrogen in the presence of a catalyst comprising at least one member selected from the group consisting of Cu , Ru , Cu—Pd , Ni—Cu , and Ni—Pd , to obtain as a result thereof a reaction product comprising CFCF═CHand at least one compound selected from the group consisting of CFCF═CHCl and CFCFCHCl , wherein said compound CFCF═CHCl is converted to the reaction product comprising the compound CFCF═CHby hydrogenation in the presence of a catalyst.3. A composition comprising CFCF═CHand at least one compound selected from the group consisting of CFCF═CHCl and CFCFCHCl.4. The composition of wherein the compound comprises CFCF═CHCl.5. The composition of wherein the compound comprises CFCFCHCl.6. The composition of further comprising CFO-1214ya.7. The composition of comprising CFCF═CH claim 3 , CFCF═CHCl and CFCFCHCl.8. The composition of further comprising HCFC-225ca.9. A composition consisting essentially of CFCF═CH claim 3 , CFCF═CHCl and CFCFCHCl. The present invention relates to chemical processes for converting chlorofluoropropanes (HCFC) and chlorofluoropropenes ( ...

PROCESSES FOR PRODUCING BRANCHED FLUOROALKYL OLEFINS

Processes for producing branched fluoroalkyl olefins are disclosed. In addition, novel halo-fluoroalkane intermediates are disclosed that may be used in the branched fluoroalkyl olefin production processes. Non-limiting examples of branched fluoroalkyl olefins include branched fluorobutenes, such as 1,3,4,4,4-pentafluoro-3-trifluoromethyl)but-1-ene (HFO-1438ezy). In some aspects, there is disclosed a method for dehydrobrominating 4-bromo-1,1,1,2,4-pentafluoro-2-(trifluoromethyl)butane to produce 1,3,4,4,4-pentafluoro-3-(trifluoromethyl)but-1-ene (HFO-1438ezy). 1. A production process comprising the step of contacting a halo-fluoroalkane reactant with an olefinic reactant in a reaction vessel to produce a halo-fluoroalkane intermediate , wherein each of said halo-fluoroalkane reactant and said halo-fluoroalkane intermediate is substituted by bromine or chlorine.2. The process according to claim 1 , further comprising the step of converting said halo-fluoroalkane intermediate into one or more branched fluoroalkyl olefins.3. The process according to claim 2 , wherein said converting comprises dehydrohalogenating said halo-fluoroalkane intermediate by contacting said halo-fluoroalkane intermediate with an aqueous base and heating said reaction vessel to a temperature of between about 35 and about 100° C.4. The process according to claim 3 , wherein said contacting is done in the presence of a phase transfer catalyst.5. The process according to claim 1 , wherein said contacting is done in the presence of: a) a metal or a metal salt; and claim 1 , b) a ligand.6. The process according to claim 5 , wherein the metal or metal salt is selected from the group consisting of iron claim 5 , copper and the chloride and bromide salts thereof claim 5 , and wherein the ligand is selected from the group consisting of tributyl phosphate claim 5 , triphenyl phosphine.7. The process according to claim 2 , wherein said halo-fluoroalkyl intermediate comprises 4-bromo-1 claim 2 ,1 claim 2 , ...

METHOD FOR PRODUCING FLUORINATED ORGANIC COMPOUNDS

Provided is a process for making 2-chloro-1,1,1,2-tetrafluoropropane. The process has the step of hydrofluorinating 2-chloro-3,3,3-trifluoropropene in the presence of a catalyst selected from the group consisting of SbCl, SbCl, SbF, TiCl, SnCl, CrO, and fluorinated CrO. 1. A process for making 2-chloro-1 ,1 ,1 ,2-tetrafluoropropane , comprising hydrofluorinating 2-chloro-3 ,3 ,3-trifluoropropene in the presence of a catalyst selected from the group consisting of SbCl , SbCl , SbF , TiCl , SnCl , CrO , and fluorinated CrO.2. The process of claim 1 , wherein the catalyst is in bulk form.3. The process of claim 1 , wherein the catalyst is supported.4. The process of claim 3 , wherein the support is selected from the group consisting of carbon claim 3 , alumina claim 3 , fluorinated alumina claim 3 , or aluminum fluoride.5. The process of where the catalyst is activated using anhydrous hydrogen fluoride.6. The process of where the catalyst is activated using anhydrous chlorine.7. The process of claim 1 , wherein the hydrofluorination is vapor-phase fluorination.8. The process of claim 7 , wherein the catalyst for vapor-phase fluorination reaction is SbClsupported on activated carbon.9. The process of claim 7 , wherein the catalyst for vapor-phase fluorination reaction is CrObulk or supported.10. The process of claim 7 , wherein the catalyst for vapor-phase fluorination reaction is fluorinated CrObulk or supported.11. The process of claim 7 , wherein the vapor-phase fluorination reaction is carried out at a temperature of about 50° C. to about 120° C. and at a pressure of about 30 psia to about 175 psia.12. The process of claim 7 , wherein the mole ratio of hydrogen fluoride to 2-chloro-3 claim 7 ,3 claim 7 ,3-trifluoropropene is from about 2:1 to about 15:1.13. The process of claim 1 , wherein the hydrofluorination is liquid-phase fluorination.14. The process of claim 13 , wherein the catalyst for liquid-phase fluorination reaction is SbCl.15. The process of claim 13 , ...

METHOD OF SIMULTANEOUSLY PREPARING 1,1,1-TRIFLUORO-2-CHLOROPROPENE AND 1,1,1,2-TETRAFLUOROPROPENE USING GAS PHASE CATALYST

Disclosed is a method of simultaneously preparing 1,1,1-trifluoro-2-chloropropene and 1,1,1,2-tetrafluoropropene, the method including i) a step of elevating a temperature of a reactor charged with a gas phase catalyst up to a reaction temperature; ii) a step of feeding 1,1,1-trifluoro-2,3-dichloropropane and 2-chloro-1,1,1,2-tetrafluoropropane into the reactor, the temperature of which has been elevated; iii) a step of performing dehydrochlorination while maintaining the temperature of the reactor; and iv) a step of performing washing and distillation after the dehydrochlorination. In accordance with the present disclosure, a high-efficient gas-phase process of continuously, simultaneously preparing 1,1,1-trifluoro-2-chloropropene and 1,1,1,2-tetrafluoropropene is provided. 1. A method of simultaneously preparing 1 ,1 ,1-trifluoro-2-chloropropene and 1 ,1 ,1 ,2-tetrafluoropropene , the method comprising:i) elevating a temperature of a reactor charged with a gas phase catalyst up to a reaction temperature;ii) feeding 1,1,1-trifluoro-2,3-dichloropropane and 2-chloro-1,1,1,2-tetrafluoropropane into the reactor, the temperature of which has been elevated;iii) performing dehydrochlorination while maintaining the temperature of the reactor; and 'wherein the gas phase catalyst is a catalyst in which a metal is supported on a support, the support is selected from activated carbon, activated alumina, or a molecular sieve, and the metal is selected from the group consisting of Zn, Pd, Pt, Sb, V, Sn, and Bi.', 'iv) performing washing and distillation after the dehydrochlorination: and'}2. (canceled)3. (canceled)4. (canceled)5. The method according to claim 1 , wherein the metal is Zn.6. The method according to claim 5 , wherein a Zn content in the gas phase catalyst is 1 to 20% by weight.7. The method according to claim 1 , wherein a reaction temperature of the reactor is 300 to 400° C.8. The method according to claim 1 , wherein an inflow rate of 1 claim 1 ,1 claim 1 ,1- ...

PROCESS FOR REDUCING 3,3,3-TRIFLUOROPROPYNE IN 2,3,3,3-TETRAFLUOROPROPENE

The invention relates to a process for reducing the concentration of a fluorinated alkyne impurity, such as 3,3,3-trifluoropropyne (TFPY), in 2,3,3,3-tetrafluoropropene (HFO-1234yf) which comprises contacting such a mixture with a caustic material, such as sodium hydroxide (NaOH), under conditions effective to reduce the concentration of the fluorinated alkyne impurity, including in some practices reducing the concentration by at least about 50%. 1. A process for reducing the concentration of a fluorinated alkyne impurity in 2 ,3 ,3 ,3-tetrafluoropropene (HFO-1234yf) which comprises contacting a mixture comprising HFO-1234yf and at least one fluorinated alkyne impurity having the formula RC≡CH , wherein R is a perfluorinated straight chain C-Calkyl , with a caustic material under conditions effective whereby at least one reaction product between the caustic material and at least a portion of the alkyne impurity is formed , and whereby the HFO-1234yf remains substantially unreacted.2. The process of further comprising recovering the HFO-1234yf having the reduced concentration of said fluorinated alkyne impurity.3. The process of wherein R is —CF.4. The process of wherein the caustic material is selected from the group consisting of an alkali metal hydroxide claim 1 , an alkali metal oxide claim 1 , an alkali earth metal hydroxide claim 1 , an alkali earth metal oxide claim 1 , and combinations thereof.5. The process of wherein the alkali metal hydroxide is selected from the group consisting of potassium hydroxide (KOH) claim 4 , sodium hydroxide (NaOH) claim 4 , lithium hydroxide (LiOH) claim 4 , cesium hydroxide (CsOH) claim 4 , rubidium hydroxide (RbOH) claim 4 , and combinations thereof.6. The process of wherein the alkali earth metal hydroxide is selected from the group consisting of magnesium hydroxide (Mg(OH)) claim 4 , calcium hydroxide (Ca(OH)) claim 4 , strontium hydroxide (Sr(OH)) claim 4 , barium hydroxide (Ba(OH)) claim 4 , and combinations thereof.7. The ...

Azeotropic Compositions Comprising Hydrogen Fluoride and Fluorocarbons

The present application discloses compositions comprising hydrogen fluoride and fluorinated compounds (e.g., hydrofluorocarbons), wherein the fluorinated compound is present in the composition in an amount effective to form an azeotrope composition or azeotrope-like composition with the hydrogen fluoride. 2. The composition of claim 1 , wherein Ris H claim 1 , halo claim 1 , or Cfluoroalkyl.3. The composition of claim 1 , wherein Ris H claim 1 , chloro claim 1 , fluoro claim 1 , or trifluoromethyl.4. The composition of claim 1 , wherein Ris H or Cfluoroalkyl.5. The composition of claim 1 , wherein Ris H or trifluoromethyl.10. The composition of claim 1 , wherein the compound of Formula I is (E)-1 claim 1 ,1 claim 1 ,1 claim 1 ,4 claim 1 ,4 claim 1 ,4-hexafluorobut-2-ene claim 1 , wherein the (E)-1 claim 1 ,1 claim 1 ,1 claim 1 ,4 claim 1 ,4 claim 1 ,4-hexafluorobut-2-ene is present in an amount effective to form an azeotrope or an azeotrope-like composition with the hydrogen fluoride.11. The composition of claim 10 , wherein the composition comprises from about 52 to about 76 mole percent hydrogen fluoride and from about 48 to about 24 mole percent (E)-1 claim 10 ,1 claim 10 ,1 claim 10 ,4 claim 10 ,4 claim 10 ,4-hexafluorobut-2-ene.12. The composition of claim 11 , wherein the composition has a boiling point of from about −30° C. to about 110° C. at a pressure of from about 3 psia to about 812 psia.13. The composition of claim 1 , wherein the compound of Formula I is (Z)-1 claim 1 ,1 claim 1 ,1 claim 1 ,4 claim 1 ,4 claim 1 ,4-hexafluorobut-2-ene claim 1 , wherein the (Z)-1 claim 1 ,1 claim 1 ,1 claim 1 ,4 claim 1 ,4 claim 1 ,4-hexafluorobut-2-ene is present in an amount effective to form an azeotrope or an azeotrope-like composition with the hydrogen fluoride.14. The composition of claim 13 , wherein the composition comprises from about 59 to about 92 mole percent hydrogen fluoride and from about 41 to about 8 mole percent (Z)-1 claim 13 ,1 claim 13 ,1 claim 13 ,4 ...

SOLID COMPOSITE STABILIZER FOR PERCHLOROETHYLENE (PCE) AND PREPARATION METHOD

The solid composite stabilizer for PCE includes the following components in parts by weight: 10 to 30 parts of a phenol-substituted ion-exchange resin, 50 to 80 parts of a basic anion-exchange resin, and 50 to 100 parts of a desiccating agent. The phenol-substituted ion-exchange resin is chloromethylated macroporous polystyrene-divinylbenzene (PS-DVB) substituted by a phenolic compound; and the basic anion-exchange resin is chloromethylated macroporous PS-DVB substituted by an amine compound. The preparation method includes the following step: thoroughly mixing the phenol-substituted ion-exchange resin, the basic anion-exchange resin, and the desiccating agent in a specified ratio to obtain the solid composite stabilizer for PCE. The solid composite stabilizer for PCE is packaged in a glass fiber bag and placed in PCE for storage and use. 1. A solid composite stabilizer for perchloroethylene (PCE) , comprising the following components in parts by weight: 10 to 30 parts of a phenol-substituted ion-exchange resin , 50 to 80 parts of a basic anion-exchange resin , and 50 to 100 parts of a desiccating agent.2. The solid composite stabilizer for PCE according to claim 1 , wherein the phenol-substituted ion-exchange resin is a first substitution product from a reaction of a phenolic compound with chloromethylated macroporous polystyrene-divinylbenzene (PS-DVB); and the chloromethylated macroporous PS-DVB has a benzyl chloride content of 12 wt % to 15 wt %.3. The solid composite stabilizer for PCE according to claim 2 , wherein the first substitution product is obtained by washing with water claim 2 , methanol claim 2 , and absolute methanol and drying claim 2 , and the first substitution product has a moisture content of ≤50 ppm and methanol residues are not detected in the first substitution product.4. The solid composite stabilizer for PCE according to claim 2 , wherein the phenolic compound is a hydroquinone monosodium salt.5. The solid composite stabilizer for PCE ...

CHLOROPROPENE STABILIZATION PROCESS

Processes for stabilizing chloropropenes by removing oxygen and/or water and adding substituted phenols as stabilizers. 1. A process for stabilizing a chloropropene , the process comprisinga) purging a system containing the chloropropene with an inert gas; andb) adding a stabilizing amount of at least one substituted phenol to the chloropropene, the stabilizing amount is from about 1 ppm to about 10,000 ppm by weight of the chloropropene;wherein the chloropropene is substantially free of water and/or oxygenates; andwherein the inert gas is nitrogen, argon, helium, or mixtures thereof.2. The process of claim 1 , wherein the chloropropene is contacted with an absorbent claim 1 , an alkylene oxide claim 1 , or combinations thereof to remove water; andwherein the absorbent is a molecular sieve, alumina, active carbon, clay, silica gel, zeolite, or a combination thereof.3. The process of claim 1 , wherein the substituted phenol comprises at least one substituent chosen from chloro claim 1 , nitro claim 1 , nitroso claim 1 , alkoxy claim 1 , hydroxy claim 1 , amino claim 1 , alkylamino claim 1 , keto claim 1 , alkanoyl claim 1 , alkyl claim 1 , substituted alkyl claim 1 , alkenyl claim 1 , substituted alkenyl claim 1 , aryl claim 1 , or substituted aryl.4. The process of claim 1 , wherein the substituted phenol is chosen from 2-isopropyl-5-methylphenol claim 1 , p-methoxyphenol claim 1 , p-tert-amylphenol claim 1 , p-sec-butylphenol claim 1 , 2 claim 1 ,4-dimethyl-6-tert-butylphenol claim 1 , 2-methoxyhydroquinone claim 1 , butylated hydroxy anisole claim 1 , butylated hydroxy toluene claim 1 , or a combination thereof.5. The process of claim 1 , wherein the substituted phenol is 2-isopropyl-5-methylphenol.6. The process of claim 1 , wherein the system is in a container.7. The process of claim 6 , wherein the container is a metal container lined with a polymeric coating;wherein the metal comprises stainless steel, carbon steel, or a monel metal; andwherein the polymeric ...

STABILIZATION OF CHLOROPROPENES

Compositions including chlorinated propenes and a phenolic antioxidant are described herein. 144-. (canceled)45. A composition comprising a tetrachloropropene and at least one phenolic antioxidant is selected from the group consisting of p-methoxyphenol and p-tert-amylphenol.46. The composition according to claim 45 , further comprising an additional phenol compound selected from the group consisting of isopropyl-meta cresol claim 45 , 4 claim 45 ,4′methylenebis(2 claim 45 ,6-di-tert-butylphenol); 4 claim 45 ,4′-bis(2 claim 45 ,6-di-tert-butylphenol); 2 claim 45 ,2-biphenyldiols claim 45 , 4 claim 45 ,4-biphenyldiols; derivatives of 2 claim 45 ,2- and 4 claim 45 ,4-biphenyldiols; 2 claim 45 ,2′-methylenebis(4-ethyl-6-tert-butylphenol); 2 claim 45 ,2′-methylenebis(4-methyl-6-tert-butylphenol); 4 claim 45 ,4 claim 45 ,-butylidenebis(3-methyl-6-tert-butylphenol); 4 claim 45 ,4 claim 45 ,-isopropylidenebis(2 claim 45 ,6-di-tert-butylphenol); 2 claim 45 ,2′methylenebis(4-methyl-6-nonylphenol); 2 claim 45 ,2′-isobutylidenebis(4 claim 45 ,6-dimethylphenol); 2 claim 45 ,2′methylenebis(4-methyl-6-cyclohexylphenol); 2 claim 45 ,6-di-tert-butyl-4-methyl-phenol; 2 claim 45 ,6-di-tertbutyl-4-ethylphenol; 2 claim 45 ,4-dimethyl-6-tert-butylphenol; 2 claim 45 ,6-di-tert-a-dimethylamino-p-cresol; 2 claim 45 ,6-di-tert-butyl-4-(N claim 45 ,N-dimethylaminomethyl)phenol; 4 claim 45 ,4′-thiobis(2-methyl-6-tert-butylphenol); 4 claim 45 ,4′-thiobis(3-methyl-6-tert-butylphenol); 2 claim 45 ,2′-thiobis(4-methyl-6-tert-butylphenol); tocopherol; hydroquinone; tert-butyl hydroquinone; and derivatives of hydroquinone.47. The composition according to claim 45 , wherein the tetrachloropropene is 1 claim 45 ,1 claim 45 ,2 claim 45 ,3-tetrachloropropene or 2 claim 45 ,3 claim 45 ,3 claim 45 ,3-tetrachloropropene or 1 claim 45 ,1 claim 45 ,3 claim 45 ,3-tetrachloropropene or (cis or trans)1 claim 45 ,3 claim 45 ,3 claim 45 ,3-tetrachloropropene or (cis or trans)-1 claim 45 ,2 claim 45 ,3 claim 45 , ...

Stabilization of Chlorinated Olefins

A composition is provided, including: at least one chlorinated olefin having at least 3 carbon atoms and at least two terminal chlorine atoms; and at least one C 1 -C 7 aliphatic aldehyde hydrazone and/or at least one C 1 -C 14 aliphatic ketohydrazone. A method of inhibiting formation of phosgene and/or acidic impurity from a chlorinated olefin having at least 3 carbon atoms and at least two terminal chlorine atoms, comprising: adding at least one C 1 -C 7 aliphatic aldehyde hydrazone and/or at least one C 1 -C 14 aliphatic ketohydrazone to a chlorinated olefin having at least 3 carbon atoms and at least two terminal chlorine atoms also is provided.

Method for producing trans-1-chloro-3,3,3-trifluoropropene

A method for producing 1-chloro-3,3,3-trifluoropropene efficiently from an intermediate product having a low reactivity is provided. A method for producing trans-1-chloro-3,3,3-trifluoropropene comprising reacting a halogenated hydrocarbon compound having 3 carbon atoms represented by Formula (1) shown below in a gas phase with hydrogen fluoride in the presence of chlorine is provided. C 3 H X Cl Y F Z (1) wherein X is 2 or 3; and when X=2, Y is an integer from 1 to 4, Z is an integer from 0 to 3, and Y+Z=4; and when X=3, Y is an integer from 1 to 5, Z is an integer from 0 to 4, and Y+Z=5; provided that Formula (1) shown above represents a halogenated hydrocarbon compound having 3 carbon atoms excluding trans-1-chloro-3,3,3-trifluoropropene.

METHOD FOR SEPARATING AND RECOVERING 2,3,3,3-TETRAFLUOROPROPENE AND HYDROFLUORIC ACID

The present invention relates to a method for separating a composition containing 2,3,3,3-tetrafluoropropene and hydrofluoric acid, and for recovering the thus-separated 2,3,3,3-tetrafluoropropene and hydrofluoric acid. The invention also relates to a method for manufacturing and purifying 2,3,3,3-tetrafluoropropene using a hydrofluorination reaction of the saturated or unsaturated compound having three carbon atoms and including at least one chlorine atom in the presence of a fluorination catalyst. 1. A process for the separation and recovery of 2 ,3 ,3 ,3-tetrafluoropropene and HF from a composition comprising 2 ,3 ,3 ,3-tetrafluoropropene and HF , characterized in that it comprises a stage of cooling said composition in the presence of an added amount of at least one compound (C1) chosen from chlorocarbons , hydrochlorocarbons , hydrochlorofluorocarbons , optionally fluorinated alcohols , optionally fluorinated ethers , ketones , esters , polyols and hydrofluorinated ethers in order to give an upper phase rich in HF and a lower organic phase rich in HFO-1234yf and compound C1.2. The process as claimed in characterized in that the 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene/HF molar ratio is between 0.5 and 2.5 claim 1 , preferably between 1.1 and 2.1.3. The process as claimed in or claim 1 , characterized in that the amount of compound C1 to be added represents from 5% to 95% by weight claim 1 , with respect to the HFO-1234yf/HF mixture claim 1 , preferably from 10% to 80% by weight claim 1 , with respect to the HFO-1234yf/HF mixture.4. The process as claimed in any one of the preceding claims claim 1 , characterized in that the cooling temperature is between −20 and 40° C. and preferably between −5 and 35° C.5. The process as claimed in any one of the preceding claims claim 1 , characterized in that the composition comprising 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene and HF originates from a hydrofluorination reaction on at least one ...

METHOD FOR PRODUCING HYDROCHLOROFLUOROCARBON AND/OR HYDROFLUOROCARBON

Provided is a method for producing HCFC and/or HFC by subjecting a halogenated hydrocarbon and anhydrous hydrogen fluoride to a fluorination reaction in the presence of a catalyst, whereby efficient production can be achieved, without the need to stop the production every time catalytic activity is regenerated or recovered, and without making facilities excessive. Provided as a solution therefor is a method comprising 1. A method for producing hydrochlorofluorocarbon (HCFC) and/or hydrofluorocarbon (HFC) , the method comprising:(A) subjecting a halogenated hydrocarbon to a fluorination reaction using anhydrous hydrogen fluoride in at least two reactors each in the presence of a catalyst to thereby obtain HCFC and/or HFC; and(B) while halting the reaction in at least one of the reactors, obtaining HCFC and/or HFC by the reaction in at least one other reactor.2. The method according to claim 1 , wherein in step (B) claim 1 , catalytic activity is regenerated or recovered in the at least one reactor in which the reaction is halted.3. The method according to claim 1 , further comprising the following step (C):(C) collecting the HCFC and/or HFC obtained in step (A) using a recovering device connected to the at least two reactors.4. The method according to claim 3 , wherein in step (C) claim 3 , a composition containing the HCFC and/or HFC obtained in step (A) is separated from a composition containing an unreacted halogenated hydrocarbon and/or unreacted anhydrous hydrogen fluoride.5. The method according to claim 3 , wherein in step (C) claim 3 , the recovering device is at least one recovering device selected from the group consisting of distillation columns claim 3 , liquid separation devices claim 3 , and flash columns.6. The method according to claim 3 , further comprising the following step (D):(D) recycling the unreacted compounds obtained in step (C) as raw material compounds in the reactors.7. A method for producing HCFC and/or HFC claim 3 , the method ...

COMPOSITIONS COMPRISING 1,1,1,2,3 PENTACHLOROPROPANE

The invention relates to a composition comprising at least 99% by weight of 1,1,1,2,3-pentachloropropane, and comprising at least one compound chosen from a list of additional compounds consisting of trichloropropanes, tetrachloropropanes, pentachloropropanes other than 1,1,1,2,3-pentachloropropane, hexachloropropanes, heptachloropropanes, dichloropropenes, trichloropropenes, tetrachloropropenes, pentachloropropenes and hexachloropropene, said compound being present in the composition in a weight content of less than or equal to 500 ppm. 1. A composition comprising at least 99 wt % of 1 ,1 ,1 ,2 ,3-pentachloropropane (240db) and at least one compound selected from the group consisting of 250fb , 1240za and 1240zf , wherein the content of said at least one compound is lower than 250 ppm.2. The composition of claim 1 , wherein the content of said at least one compound is lower than 100 ppm.3. The composition of claim 1 , wherein the content of said at least one compound is lower than 50 ppm.4. The composition of claim 1 , further comprising at least two compounds selected from the group consisting of 250fb claim 1 , 1240za and 1240zf claim 1 , wherein the content of each of said at least two compounds is lower than 250 ppm.5. The composition of claim 1 , wherein the content of each of said at least two compounds is lower than 100 ppm.6. The composition of claim 1 , wherein the content of each of said at least two compounds is lower than 50 ppm.7. The composition of claim 1 , which comprises at least 99.5% by weight claim 1 , of 240db. This application is a continuation of application Ser. No. 15/518,605, filed on Apr. 12, 2017, which is a National Stage application of International Application No. PCT/FR2015/052692, filed on Oct. 7, 2015, which claims the benefit of French Patent Application No. 1459926, filed on Oct. 16, 2014.The present invention relates to compositions based on F-240db (1,1,1,2,3-pentachloropropane) and also to the use thereof especially for ...

Hydrochloric acid purification process

The invention relates to a process for the treatment of a gas stream comprising hydrochloric acid, hydrofluoric acid and fluorinated/oxygenated compounds, in which the gas stream is successively subjected to: a stage of catalytic hydrolysis; a stage of washing with an acid solution; a stage of adsorption of impurities by active charcoal; a stage of adiabatic or isothermal absorption of the hydrochloric acid in an aqueous solution, making it possible to collect hydrochloric acid solution.

PROCESS FOR PRODUCING 2-CHLORO-3,3,3-TRIFLUOROPROPENE

This invention provides a process for producing 2-chloro-3,3,3-trifluoropropene, comprising: reacting anhydrous hydrogen fluoride with at least one chlorine-containing compound selected from the group consisting of chloropropanes and chloropropenes represented by specific formulas in a gas phase in the presence of a chromium atom-containing fluorination catalyst while heating, the reaction being carried out in the presence of molecular chlorine or with a water content in the reaction system of 300 ppm or less. This invention enables suppression of catalyst deterioration and efficient production of 2-chloro-3,3,3-trifluoropropene in a simple and economically advantageous manner on an industrial scale. 1. A process for producing 2-chloro-3 ,3 ,3-trifluoropropene , comprising:{'sub': 2', '2', '2, 'reacting anhydrous hydrogen fluoride with at least one chlorine-containing compound in a gas phase in the presence of a chromium atom-containing fluorination catalyst while heating, the at least one chlorine-containing compound being selected from the group consisting of chloropropanes represented by Formula (1): CXYZCHClCHA, wherein X, Y, and Z are the same or different and each is F or Cl, and A is a halogen atom, chloropropenes represented by Formula (2): CXYZCCl═CH, wherein X, Y, and Z are the same or different and each is F or Cl, and chloropropenes represented by Formula (3): CXY═CClCHA, wherein X and Y are the same or different and each is F or Cl, and A is a halogen atom, and the reaction being carried out in the presence of molecular chlorine.'}2. A process for producing 2-chloro-3 ,3 ,3-trifluoropropene , comprising:{'sub': 2', '2', '2, 'reacting anhydrous hydrogen fluoride with at least one chlorine-containing compound in a gas phase in the presence of a chromium atom-containing fluorination catalyst while heating, the at least one chlorine-containing compound being selected from the group consisting of chloropropanes represented by Formula (1): CXYZCHClCHA, ...

PROCESS FOR PREPARING 3,3,3-TRIFLUOROPROP-1-ENE

The present application provides a process of preparing 3,3,3-trifluoroprop-1-ene, comprising reacting 3-chloro-1,1,1-trifluoropropane with a base in an aqueous solvent component in the absence of a phase transfer catalyst. 130.-. (canceled)31. A process of preparing a mixture of 3 ,3 ,3-trifluoroprop-1-ene (HFO-1243zf) and 2-chloro-3 ,3 ,3-trifluoropropene (HCFO-1233xf) , comprising reacting a mixture of 3-chloro-1 ,1 ,1-trifluoropropane (HCFC-253fb) and 1 ,1 ,1-trifluoro-2 ,3-dichloropropane (HCFC-243db) with a base in an aqueous solvent component , wherein the reacting is conducted in the absence of a phase transfer catalyst , wherein the aqueous solvent component comprises 0 to 40% of an organic solvent.32. The process of claim 31 , wherein the aqueous solvent component does not comprise an organic solvent.33. A composition comprising:i) 3-chloro-1,1,1-trifluoropropane (253fb); andii) one or more additional compounds selected from the group consisting of 3,3,3-trifluoroprop-1-ene (1243zf), 2-chloro-3,3,3-trifluoropropene (1233xf), 1,1,1,3-tetrafluoropropane (254th), and 1,1,1-trifluoro-2,3-dichloropropane (243db).34. The composition of claim 33 , wherein the composition comprises 3-chloro-1 claim 33 ,1 claim 33 ,1-trifluoropropane (253fb) claim 33 , 3 claim 33 ,3 claim 33 ,3-trifluoroprop-1-ene (1243zf) claim 33 , and 2-chloro-3 claim 33 ,3 claim 33 ,3-trifluoropropene (1233xf).35. The composition of claim 34 , wherein the composition comprises:about 95 to about 99 percent 3,3,3-trifluoroprop-1-ene (1243zf);about 1 to about 2 percent 3-chloro-1,1,1-trifluoropropane (253fb); andabout 0.1 to about 0.2 percent 2-chloro-3,3,3-trifluoropropene (1233xf).36. The composition of claim 34 , wherein the composition comprises:about 98 to about 99 percent 3,3,3-trifluoroprop-1-ene (1243zf);about 1 to about 2 percent 3-chloro-1,1,1-trifluoropropane (253fb); andabout 0.1 to about 0.2 percent 2-chloro-3,3,3-trifluoropropene (1233xf).37. The composition of claim 33 , wherein the ...

COMPOSITION CONTAINING C8F17Br AND METHOD FOR PRODUCING C8F17Br

This invention provides a composition that contains PFOB with a PFOA content lower than that of known PFOB, and that is less likely to have an adverse effect on the environment; and provides a method for producing PFOB. The composition contains CFBrand further contains CFCOOH, wherein CFCOOH is present in a concentration of 25 ppb or less based on the total weight of CFBr. The method for producing CFBr comprises reacting CFI and a brominating agent to obtain CFBr, and alkali-washing the obtained CFBr to reduce the CFCOOH content to 25 ppb or less based on the total weight of CFBr. 1. A composition containing CFBr , and further containing CFCOOH , wherein CFCOOH is present in a concentration of 25 ppb or less based on the total weight of CFBr.2. A method for producing CFBr , comprising:{'sub': 8', '17', '8', '17, 'reacting CFI and a brominating agent to obtain CFBr; and'}{'sub': 8', '17', '7', '15', '8', '17, 'alkali-washing the obtained CFBr to reduce the CFCOOH content to 25 ppb or less based on the total weight of CFBr.'}3. The production method according to claim 2 , wherein the alkali-washing is performed using an alkali solution having a concentration of 0.01 to 98 wt %. The present invention relates to a composition containing CFBr, and a method for producing CFBr.Perfluorooctyl bromide (abbreviated as “PFOB”), represented by the formula: CFBr, is known as a compound having X-ray contrast ability and MR contrast ability. It is also known that PFOB can be used as an active pharmaceutical ingredient of a diagnostic drug, a medicinal intermediate, and the like.It is known that PFOB can be produced by various methods. Examples of known methods of obtaining PFOB include a method of reacting a compound represented by the formula: CFI (n-perfluorooctyl iodide, abbreviated as “PFOI”) with a brominating agent, such as bromine, in a gas phase (e.g., Patent Literature (PTL) 1); and a method of obtaining PFOB by performing photochemical bromination of PFOI (e.g., PTL 2). ...

METHODS FOR RECOVERING CHLORINATED HYDROCARBONS

Processes for isolating 1,1,1,2,3-pentachloropropane from a crude product stream containing the 1,1,1,2,3-pentachloropropane and ferric chloride. The processes may include deep distillation of the crude, treatment of the crude with a reagent that deactivates the ferric chloride followed by distillation on the deactivated crude stream, aqueous washing of the crude product stream to remove ferric chloride followed by distillation on the deactivated crude stream. Other embodiments simultaneously prepare 1,1,2,3-tetrachloroprene and 1,1,1,2,3-pentachloroprane. 1. A process for isolating 1 ,1 ,1 ,2 ,3-pentachloropropane from a crude product stream containing the 1 ,1 ,1 ,2 ,3-pentachloropropane , the process comprising:(a.) providing a crude product stream containing 1,1,1,2,3-pentachloropropane, where the crude product stream further includes ferric chloride;(b.) adding an inhibitor to the crude product stream to deactivate the ferric chloride.2. The process of claim 1 , wherein the inhibitor is a Lewis base.3. The process of claim 1 , wherein the inhibitor is tributylphosphate.4. The process of claim 1 , wherein the amount of inhibitor added to the crude product stream is from about 0.5 moles to about 2.0 moles of inhibitor per mole of ferric chloride within the crude product stream.5. The process of claim 1 , wherein the amount of inhibitor added to the crude product stream is from about 0.7 moles to about 1.3 moles of inhibitor per mole of ferric chloride within the crude product stream.6. The process of claim 3 , wherein the amount of inhibitor added to the crude product stream is from about 0.5 moles to about 2 moles of inhibitor per mole of ferric chloride within the crude product stream.7. The process of claim 3 , wherein the amount of inhibitor added to the crude product stream is from about 0.7 moles to about 1.3 moles of inhibitor per mole of ferric chloride within the crude product stream.8. The process of claim 1 , wherein the crude product stream includes ...

AZEOTROPIC COMPOSITIONS OF 1,3,3-TRICHLORO-1,1-DIFLUOROPROPANE AND HYDROGEN FLUORIDE

Provided are azeotropic or azeotrope-like mixtures of 1,3,3-trichloro-1,1-difluoropropane (HCFO-242fa) and hydrogen fluoride. Such compositions are useful as a feed stock or intermediate in the production of HFC245fa and HCFO1233zd. 1. An azeotropic or azeotrope-like mixture consisting essentially of 1 ,3 ,3-trichloro-1 ,1-difluoropropane (242fa) and hydrogen fluoride.2. The composition of claim 1 , which consists essentially of from about 1 weight percent to about 99 weight percent hydrogen fluoride and from about 99 weight percent to about 1 weight percent 1 claim 1 ,3 claim 1 ,3-trichloro-1 claim 1 ,1-difluoropropane (242fa) claim 1 , which composition has a boiling point of from about 0° C. to about 25° C. claim 1 , at a pressure of from about 7.1 psia to about 17.9 psia.3. The composition of claim 1 , which consists essentially of from about 0.2 weight percent to about 97 weight percent hydrogen fluoride and from about 99.8 weight percent to about 3 weight percent 1 claim 1 ,3 claim 1 ,3-trichloro-1 claim 1 ,1-difluoropropane (242fa) claim 1 , which composition has a boiling point of from about 0° C. to about 25° C. claim 1 , at a pressure of from about 7.1 psia to about 17.9 psia.4. The composition of claim 1 , which consists essentially of from about 90 weight percent to about 97 weight percent hydrogen fluoride and from about 10 weight percent to about 3 weight percent 1 claim 1 ,3 claim 1 ,3-trichloro-1 claim 1 ,1-difluoropropane (242fa) claim 1 , which composition has a boiling point of about 0° C. claim 1 , at a pressure of about 7.1 psia.5. The composition of claim 1 , which consists essentially of from about 99 weight percent to about 1 weight percent hydrogen fluoride.6. The composition of claim 1 , which consists essentially of from about 95 weight percent to about 5 weight percent hydrogen fluoride.7. The composition of claim 1 , which consists essentially of from about 85 weight percent to about 15 weight percent hydrogen fluoride.8. The composition ...

CONVERSION OF CHLOROFLUOROROPANES AND CHLOROFLUROPROPENES TO MORE DESIRABLE FLUOROPROPANES AND FLUOROROPENES

A process is provided comprising contacting and reacting the compound CFCFCHXCl, wherein X is H or Cl, or the compound CFCF═CXCl, wherein X is H or Cl, with hydrogen in the presence of a catalyst consisting essentially of Cu, Ru, Cu—Pd, Ni—Cu, and Ni—Pd, to obtain as a result thereof reaction product comprising hydrofluoropropenes or intermediates convertible to said hydrofluoropropenes, notably CFCF═CHand CFCH═CHF. 1. A composition comprising HCFO-1224yd (CFCF═CHCl) , HFO-1234yf (CFCF═CH).and HCFC-1214ya (CFCF═Cl).2. The composition of further comprising HFO-1234ze (CFCH═CHF).3. The composition of further comprising at least one of HCFC-235da (CFCHClCHF) claim 1 , and HCFC-234db (CFCHClCHF).4. The composition of wherein the composition comprises two isomers of HCFO-1224yd.5. The composition of further comprising CFCFCHCl (HCFC-235cb).6. A composition comprising HCFO-1224yd (CFCF═CHCl) and at least one member selected from the group consisting of HFO-1234yf (CFCF═CH) claim 1 , HCFC-1214ya (CFCF═Cl) claim 1 , HCFC-225cb (C3HCl2F) and CFCCl═CHF (HCFO-1224xe).7. The composition of wherein said member comprises HFO-1234yf and HCFC-225cb.8. The composition of further comprising HCFO-1224xe.9. The composition of further comprising HFO-1234ze. The present invention relates to chemical processes for converting chlorofluoropropanes (HCFC) and chlorofluoropropenes (CFO) to more desirable fluoropropanes and fluoropropenes, especially propenes that are hydrofluoroolefins (HFO), i.e. free of Cl, and to intermediates from which these HFOs can be obtained.U.S. Pat. No. 8,399,722 discloses the hydrogenation of at least one of 1,1-dichloro-2,3,3,3-tetrafluoropropene (CFCF═Cl, 1214ya) and 1-chloro-2,3,3,3-tetrafluoropropene (CFCF═CHCl, 1224yd) in the presence of catalyst composed of Pd supported on a carbon carrier to obtain 2,3,3,3,-tetrafluoropropene (CFCF═CH, 1234yf), which is free of chlorine and which has promise at least as a refrigerant exhibiting both low ozone depletion ...

FLUORINATION PROCESS AND REACTOR

The invention relates to a process to prepare tetrahalopropenes, such as 2-chloro-3,3,3-trifluoropropene (1233xf). The process comprises atomizing a feed material, such as 1,1,2,3-tetrachloropropene (1230xa) and the like, and mixing it with superheated HF to form a vaporized composition of feed material and HF with substantially instantaneous contact with a vapor phase fluorination catalyst. The invention extends catalyst life and forestalls catalyst deactivation. 1. A reactor apparatus comprising:a reaction chamber;a heating chamber disposed on the reaction chamber, said heating chamber comprising a mixing area in fluid communication with said reaction chamber;at least first and second feed lines in fluid communication with said mixing area; andan atomizing nozzle disposed on at least said first feed line, said nozzle having an exit into said mixing area.2. The apparatus of wherein the heating chamber comprises heating means.3. The apparatus of further comprising superheating means in communication with at least said second feed line.4. The apparatus of further comprising a catalyst bed within said reaction chamber.5. The apparatus of wherein said nozzle exit is located proximate said catalyst bed.6. The apparatus of wherein the mixing area is contiguous with the reaction chamber.7. The apparatus of further comprising at least one outlet in fluid communication with said reaction chamber.8. A process to prepare a tetrahalopropene comprising:a) providing a reactor apparatus having a catalyst bed within a reaction chamber, and a heating chamber disposed on the reaction chamber, the heating chamber comprising a mixing area in fluid communication with said reaction chamber;b) supplying superheated HF and an atomized feed material selected from the group consisting of chlorocarbons, mixed chlorocarbons, and combinations thereof, to the mixing area under conditions effective to form a vaporized composition comprising the feed material and the HF; andc) contacting the ...

STABILIZER AND INHIBITOR FOR CHLOROPROPENES, SUCH AS TETRACHLOROPROPENE 1,1,2,3-TETRACHLOROPROPENE (1230xa), USED IN THE MANUFACTURE OF 2,3,3,3-TETRAFLUOROPROPENE (1234yf)

The present invention relates in part to a method of stabilizing chloropropenes, such as 1,1,2,3-tetrachloropropene, otherwise known to decompose and degrade, and to the resulting stabilized chloropropene, using a morpholine compound and/or a trialkyl phosphate compound as defined herein. Such stabilized chloropropenes are useful in the manufacture of hydrofluoroolefins such as 2,3,3,3-tetrafluoroprop-1-ene (1234yf). 2. The method of wherein said chloropropene is a tetrachloropropene.3. The method of wherein said tetrachloropropene is 1 claim 2 ,1 claim 2 ,2 claim 2 ,3-tetrachloropropene.4. The method of wherein R is H or a C-Calkyl.5. The method of wherein R is Calkyl or H.6. The method of wherein R′ is a C-Calkyl.7. The method of wherein R′ is a Calkyl.8. The method of wherein said stabilizer compound is added in an amount of about 5 ppm to about 1000 ppm by weight of said chloropropene.10. The composition of wherein said stabilizer compound is present in a stabilizingly effective amount.11. The composition of wherein said stabilizer compound is present in said composition in an amount of about 5 ppm to about 1000 ppm by weight of said chloropropene.12. The composition of wherein said chloropropene is a tetrachloropropene.13. The composition of wherein said tetrachloropropene is 1 claim 9 ,1 claim 9 ,2 claim 9 ,3-tetrachloropropene.14. The composition of wherein R is H or C-Calkyl.15. The composition of wherein R is Calkyl or H.16. The composition of wherein R′ is a C-Calkyl.17. The composition of wherein R′ is a Calkyl.18. A container within which comprises the composition of .19. The container of wherein the container comprises stainless steel.21. The method of said chloropropene is a tetrachloropropene.22. The method of wherein said tetrachloropropene is 1 claim 21 ,1 claim 21 ,2 claim 21 ,3-tetrachloropropene.23. The method of wherein R is H or a C-Calkyl.24. The method of wherein R is H.25. The method of wherein R′ is a C-Calkyl.26. The method of wherein R′ ...

Process for the Preparation of 2,3,3,3 Tetrafluoropropene

The present invention provides a process for preparing 2,3,3,3-tetrafluoropropene from 1,1,1,2,3-pentachloropropane and/or 1,1,2,2,3-pentachloropropane, comprising the following steps: (a) catalytic reaction of 1,1,1,2,3-pentachloropropane and/or 1,1,2,2,3-pentachloropropane with HF into a reaction mixture comprising HCl, 2-chloro-3,3,3-trifluoropropene, 2,3,3,3-tetrafluoropropene, unreacted HF, and optionally 1,1,1,2,2-pentafluoropropane; (b) separating the reaction mixture into a first stream comprising HCl and 2,3,3,3-tetrafluoropropene and a second stream comprising HF, 2-chloro-3,3,3-trifluoropropene and optionally 1,1,1,2,2-pentafluoropropane; (c) catalytic reaction of the second stream into a reaction mixture comprising 2,3,3,3-tetrafluoropropene, HCl, unreacted 2-chloro-3,3,3-trifluoropropene, unreacted HF and optionally 1,1,1,2,2-pentafluoropropane and (d) feeding the reaction mixture of step (c) directly without separation to step (a). 1. A process for preparing 2 ,3 ,3 ,3-tetrafluoropropene , comprising:(a) catalytically reacting of 1,1,1,2,3-pentachloropropane and/or 1,1,2,2,3-pentachloropropane with HF to produce a first reaction mixture comprising HCl, 2-chloro-3,3,3-trifluoropropene, 2,3,3,3-tetrafluoropropene, unreacted HF and optionally 1,1,1,2,2-pentafluoropropane;(b) separating the first reaction mixture into a first stream comprising HCl and 2,3,3,3-tetrafluoropropene and a second stream comprising HF, 2-chloro-3,3,3-trifluoropropene and optionally 1,1,1,2,2-pentafluoropropane;(c) catalytically reacting the second stream to produce a second reaction mixture comprising 2,3,3,3-tetrafluoropropene, HCl, unreacted 2-chloro-3,3,3-trifluoropropene and HF and optionally 1,1,1,2,2-pentafluoropropane; and(d) feeding the second reaction mixture of step (c) directly to step (a).2. The process according to claim 1 , wherein step (a) and step (c) are carried out in the gas phase.3. The process according to claim 1 , or the catalyst in step (a) and/or step (c) ...

METHOD FOR PROLONGING A CATALYST'S LIFE DURING HYDROFLUORINATION

The invention provides an improved process to manufacture 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) by reacting 2-chloro-3,3,3,-trifluoropropene (HCFO-1233xf) with hydrogen fluoride, in the presence of a fluorination catalyst, where by using 2-chloro-3,3,3,-trifluoropropene (HCFO-1233xf) of high purity, the need to add an oxidizing agent (typically chlorine) to keep the catalyst active can be avoided. The HCFC-244bb is then used as an intermediate in the production of 2,3,3,3-tetrafluoropropene-1 (HFO-1234yf). 1) A process for producing 2-chloro-1 ,1 ,1 ,2-tetrafluoropropane comprising reacting a feed comprising a substantially pure organic component of 2-chloro-3 ,3 ,3 ,-trifluoropropene with hydrogen fluoride and a fluorination catalyst in the absence of an oxidizing agent.2) The process of wherein the substantially pure organic component of 2-chloro-3 ,3 ,3 ,-trifluoropropene comprises at least 99% of 2-chloro-3 ,3 ,3-trifluoropropene. 3) The process of wherein the substantially pure organic component of 2-chloro-3 ,3 ,3 ,-trifluoropropene is produced by a process comprising fluorinating 1 ,1 ,2 ,3 ,-tetrachloropropene and/or 1 ,1 ,1 ,2 ,3-tetrachloropropane and separating 2-chloro-3 ,3 ,3-trifluoropropene from an intermediate stream.43) The process of claim wherein the intermediate stream comprises 2-chloro-3 ,3 ,3 ,-trifluoropropene and one or more reaction impurities.5) The process of wherein at least one impurity is 2 claim 4 ,3-dichloro-3 claim 4 ,3-trifluoropropene.63) The process of claim wherein the step of separating 2-chloro-3 claim 4 ,3 claim 4 ,3-trifluoropropene from one or more impurities is performed by distillation.7) The process of wherein the reaction is conducted in a liquid phase or a vapor phase.8) The process of wherein the reaction is conducted continuously or batch-wise.9) The process of wherein the mole ratio of hydrogen fluoride to the substantially pure organic component of 2-chloro-3 claim 1 ,3 claim 1 ,3-trifluoropropene that ...

Method of fluorination in the gaseous phase

The present invention concerns a method of producing at least one compound of formula (II): CF 3 —CX(Z)n—CHX(Z)n in which X represents, independently, a hydrogen, fluorine or chlorine atom, Z represents, independently, a hydrogen or fluorine atom, and n =0 or 1, from at least one compound of formula (I): CX(Y)2—CX(Y)m—CHmXY in which X and Y represent, independently, a hydrogen, fluorine or chlorine atom and m =0 or 1. The method comprises at least one step during which at least one compound of formula (I) reacts with HF in the gaseous phase in the presence of a fluorination catalyst in order to give at least one compound of formula (II), characterised in that the catalyst is made from chromium oxyfluoride containing at least nickel as the co-metal and at least one rare earth metal.

COMPOSITIONS COMPRISING 2,3-DICHLORO-1,1,1-TRIFLUOROPROPANE, 2-CHLORO-1,1,1-TRIFLUOROPROPENE, 2-CHLORO-1,1,1,2-TETRAFLUOROPROPANE OR 2,3,3,3-TETRAFLUOROPROPENE

Disclosed are compositions comprising HCFC-243db, HCFO-1233xf, HCFC-244db and/or HFO-1234yf and at least one additional compound. For the composition comprising 1234yf, the additional compound is selected from the group consisting of HFO-1234ze, HFO-1243zf, HCFC-243db, HCFC-244db, HFC-245cb, HFC-245fa, HCFO-1233xf, HCFO-1233zd, HCFC-253fb, HCFC-234ab, HCFC-243fa, ethylene, HFC-23, CFC-13, HFC-143a, HFC-152a, HFC-236fa, is HCO-1130, HCO-1130a, HFO-1336, HCFC-133a, HCFC-254fb, CHF═CHCl, HFO-1141, HCFO-1242zf, HCFO-1223xd, HCFC-233ab, HCFC-226ba, and HFC-227ca. Compositions comprising HCFC-243db, HCFO-1233xf, and/or HCFC-244db are useful in processes to make HFO-1234yf. Compositions comprising HFO-1234yf are useful, among other uses, as heat transfer compositions for use in refrigeration, air-conditioning and heat pump systems. 1. A composition comprising HFO-1234yf , HCFC-244db , HCFO-1233xf and at least one additional compound selected from the group consisting of HFO-1234ze , HFO-1243zf , HCFC-243db , HFC-245cb , HFC-245fa , HCFO-1233zd , HCFC-253fb , HCFC-234ab , HCFC-243fa , ethylene , HFC-23 , CFC-13 , HFC-143a , HFC-152a , HFC-236fa , HCO-1130 , HCO-1130a , HFO-1336 , HCFC-133a , HCFC-254fb , CHF═CHCl , HFO-1141 , HCFO-1242zf , HCFO-1223xd , HCFC-233ab , HCFC-226ba , and HFC-227ca.2. The composition of containing less than about 1 weight percent of the at least one additional compound.3. The composition of wherein said additional compound comprises HFO-1234ze.4. The composition of wherein said additional compound comprises HFO-1243zf.5. The composition of wherein said additional compound comprises HFC-143a.6. The composition of wherein said additional compound comprises HFO-1243zf and HFO-1234ze.7. The composition of wherein the amount of HCFC-244db claim 1 , HCFO-1233xf and the at least one additional compound are greater than 0 and less than about 1 weight percent.8. A method for carrying heat from a heat source to a heat sink wherein the composition of is ...

CATALYTIC PROCESSES FOR MAKING HYDROMONOCHLOROFLUOROBUTANE AND HYDROMONOCHLOROFLUOROPENTANE COMPOUNDS

Disclosed is a process involving contacting a hydrohalobutane selected from the group consisting of CFHCHClCHCClH, CFCHClCHCClH, CFCHClCHCCl, CFCClHCHFCClH and CFCClHCHFCCl, with HF in a reaction zone in the presence of an antimony halide catalyst selected from SbCland SbFto form a first product mixture containing a hydromonochlorofluorobutane. Also disclosed is a process involving contacting a hydrohalopentane selected from the group consisting of CFHCHClCHCXCXand CFCHClCHCXCX, wherein each X is independently selected from the group consisting of F and Cl, and not all X are fluorines, with HF in a reaction zone in the presence of an antimony halide catalyst selected from SbCland SbFto form a first product mixture containing a hydromonochlorofluoropentane. A compound of the formula CFCHClCHCHFis also disclosed. 1. A process comprising contacting a hydrohalobutane selected from the group consisting of CFHCHClCHCClH , CFCHClCHCClH , CFCHClCHCCl , CFCClHCHFCClH and CFCClHCHFCCl , with HF in a reaction zone in the presence of an antimony halide catalyst selected from SbCland SbFto form a first product mixture comprising a hydromonochlorofluorobutane.2. The process of claim 1 , further comprising recovering the hydromonochlorofluorobutane from the first product mixture.3. The process of wherein the hydrohalobutane is CFHCHClCHCClH claim 1 , and the hydromonochlorofluorobutane is CFHCHClCHCFH.4. The process of wherein the hydrohalobutane is CFCHClCHCClH claim 1 , and the hydromonochlorofluorobutane is CFCHClCHCHF.5. The process of wherein the hydrohalobutane is CFCHClCHCCl claim 1 , and the hydromonochlorofluorobutane is CFCHClCHCF.6. process of wherein the hydrohalobutane is CFCClHCHFCClH claim 1 , and the hydromonochlorofluorobutane is CFCClHCHFCFH.7. The process of wherein the hydrohalobutane is CFCClHCHFCCl claim 1 , and the hydromonochlorofluorobutane is CFCClHCHFCF claim 1 ,8. A process comprising contacting a hydrohalopentane selected from the group consisting of ...

COMPOSITIONS CONTAINING 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb)

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)), 1,3,3,3-tetrafluoropropene (HFO-1234ze isomer(s)), 1,1,1,2,2-pentafluoropropane (HFC-245cb), 1,1,1,2-tetrafluoropropane (HFC-254eb), 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf), 1-chloro-1,1,2,2-tetrafluoropropane (HCFC-244cc), chlorotetrafluoropropene (HCFO-1224 isomers), E-1-chloro-3,3,3-trifluoropropene (HCFO-1233zdE), 1,1,1,3,3-pentafluoropropane (HFC-245fa), heptafluorobutane (HFC-347 isomers), 2-chloro-1,1,1,3,3-pentafluoropropane (HFC-235da), 3-chloro-1,1,1,2-tetrafluoropropane (HCFC-244eb), 3-chloro-3,3,3-trifluoropropane (HCFC-253fb), dichlorotrifluoropropene (HCFO-1223 isomers), 2,3-dichloro-1,1,1,2-tetrafluoropropane (HCFC-234bb), 2,2-dichloro-1,1,1-trifluoropropane (HCFC-243db), chlorohexafluorobutene (HFO-1326 isomers), hexafluorobutene (HFO-1336 isomers), pentafluorobutene (HFO-1345 isomers), heptafluorobutene (HFO-1327 isomers), tetrafluorohexane (HFC-5-11-4 isomers), 1,3,3,3-tetrafluoropropane (HFC-254fb), chlorohexafluorobutane (HFC-346 isomers), octafluoropentane (HFC-458 isomers), octafluorohexene, 2,2-dichloro-1,1,1-trifluoroethane (HCFC-123), (Z)-1-chloro-3,3,3-trifluoropropene (HCFO-1233zd(Z)), C 5 H 2 F 10 isomer, C 6 H 2 F 8 isomer, C 6 H 4 F 8 isomers, decafluorobutane (C 4 F 10 ), C 6 H 3 F 7 isomer, C 6 H 3 F 9 isomer, dichlorodifluoropropene (HCFO-1232 isomers), trichlorotrifluoropropane (HCFC-233 isomers), C 6 H 3 Cl 2 F 7 isomers, trichlorodifluoropropane (HCFC-242 isomers), C 8 H 3 F 7 isomers, or long-chain halogenated hydrocarbons having a boiling point above about 15° C.

COMPOSITIONS COMPRISING 1,1,1,2,3 PENTACHLOROPROPANE

The invention relates to a composition comprising at least 99% by weight of 1,1,1,2,3-pentachloropropane, and comprising at least one compound chosen from a list of additional compounds consisting of trichloropropanes, tetrachloropropanes, pentachloropropanes other than 1,1,1,2,3-pentachloropropane, hexachloropropanes, heptachloropropanes, dichloropropenes, trichloropropenes, tetrachloropropenes, pentachloropropenes and hexachloropropene, said compound being present in the composition in a weight content of less than or equal to 500 ppm. 114-. (canceled)15. A composition comprising at least 99% by weight of 1 ,1 ,1 ,2 ,3-pentachloropropane and at least one additional compound selected from the group consisting of trichloropropanes , tetrachloropropanes , pentachloropropanes other than 1 ,1 ,1 ,2 ,3-pentachloropropane , hexachloropropanes , heptachloropropanes , dichloropropenes , trichloropropenes , tetrachloropropenes , pentachloropropenes and hexachloropropene , said additional compound being present in the composition in a weight content of less than or equal to 500 ppm.16. The composition as claimed in claim 15 , wherein the additional compound is present in the composition in a weight content of less than or equal to 250 ppm.17. The composition as claimed in claim 15 , wherein the at least one additional compound comprises a plurality of additional compounds selected from the group consisting of trichloropropanes claim 15 , tetrachloropropanes claim 15 , pentachloropropanes other than 1 claim 15 ,1 claim 15 ,1 claim 15 ,2 claim 15 ,3-pentachloropropane claim 15 , hexachloropropanes claim 15 , heptachloropropanes claim 15 , dichloropropenes claim 15 , trichloropropenes claim 15 , tetrachloropropenes claim 15 , pentachloropropenes and hexachloropropene claim 15 , each of the additional compounds of said plurality of additional compounds being present in the composition in a weight content of less than or equal to 500 ppm.18. The composition as claimed in claim 15 ...

FLUORINATION PROCESS AND REACTOR

The invention relates to a process to prepare tetrahalopropenes, such as 2-chloro-3,3,3-trifluoropropene (1233xf). The process comprises atomizing a feed material, such as 1,1,2,3-tetrachloropropene (1230xa) and the like, and mixing it with superheated HF to form a vaporized composition of feed material and HF with substantially instantaneous contact with a vapor phase fluorination catalyst. The invention extends catalyst life and forestalls catalyst deactivation. 1. A reactor apparatus comprising:a reaction chamber;a heating chamber disposed on the reaction chamber, said heating chamber comprising a mixing area in fluid communication with said reaction chamber;at least first and second feed lines in fluid communication with said mixing area; andan atomizing nozzle disposed on at least said first feed line, said nozzle having an exit into said mixing area.2. The apparatus of wherein the heating chamber comprises heating means.3. The apparatus of further comprising superheating means in communication with at least said second feed line.4. The apparatus of further comprising a catalyst bed within said reaction chamber.5. The apparatus of wherein said nozzle exit is located proximate said catalyst bed.6. The apparatus of wherein the mixing area is contiguous with the reaction chamber.7. The apparatus of further comprising at least one outlet in fluid communication with said reaction chamber.814.-. (canceled)15. A process to prepare 2-chloro-3 claim 1 ,3 claim 1 ,3-trifluoropropene (1233xf) comprising: [{'br': None, 'sub': 2', '2, 'CX═CCl—CHX \u2003\u2003(Formula I)'}, {'br': None, 'sub': '3', 'CX—CCl═CH2 \u2003\u2003(Formula II)'}, {'br': None, 'sub': 3', '2, 'CX—CHCl—CHX \u2003\u2003(Formula III)'}], 'a) atomizing a starting composition comprising at least one compound having a structure selected from Formula I, II and IIwherein X is independently selected from F, Cl, Br and I, provided that at least one of X is not F;b) contacting the atomized composition with ...

FLUORINATION PROCESS AND REACTOR

The invention relates to a process to prepare tetrahalopropenes, such as 2-chloro-3,3,3-trifluoropropene (1233xf). The process comprises atomizing a feed material, such as 1,2,3-tetrachloropropene (1230xa) and the like, and mixing it with superheated HF to form a vaporized composition of feed material and HF with substantially instantaneous contact with a vapor phase fluorination catalyst. The invention extends catalyst life and forestalls catalyst deactivation. 1. A reactor apparatus comprising:a reaction chamber;a heating chamber disposed on the reaction chamber, said heating chamber comprising a mixing area in fluid communication with said reaction chamber;at least first and second feed lines in fluid communication with said mixing area; andan atomizing nozzle disposed on at least said first feed line, said nozzle having an exit into said mixing area.2. The apparatus of wherein the heating chamber comprises heating means.3. The apparatus of further comprising superheating means in communication with at least said second feed line.4. The apparatus of further comprising a catalyst bed within said reaction chamber.5. The apparatus of wherein said nozzle exit is located proximate said catalyst bed.6. The apparatus of wherein the mixing area is contiguous with the reaction chamber.7. The apparatus of further comprising at least one outlet in fluid communication with said reaction chamber. This application is a divisional application claiming priority under 35 U.S.C. §121 to U.S. Ser. No. 15/139,778 filed Apr. 27, 2016, which is a divisional application of U.S. Ser. No. 14/206,088 filed Mar. 12, 2014, now U.S. Pat. No. 9,353,029, which claims priority under 35 U.S.C. §119 to provisional application U.S. Ser. No. 61/783,545 filed Mar. 14, 2013, now expired, the entire contents of all the foregoing being incorporated herein by reference.The invention relates to a reactor design particularly useful in preparing fluorinated organic compounds, including without limitation, ...

HOMOALLYL HALIDE COMPOSITION AND METHOD FOR STORING HOMOALLYL HALIDE

There is provided a composition containing one or more basic compounds selected from the group consisting of tertiary amines, nitrogen-containing heterocyclic aromatic compounds, alkali metal carbonate salts, alkaline earth metal carbonate salts and alkali metal hydrogencarbonate salts, and a homoallyl halide. 1: A composition , comprising:at least one basic compound selected from the group consisting of a tertiary amine, a nitrogen-containing heterocyclic aromatic compound, an alkali metal carbonate salt, an alkaline earth metal carbonate salt and an alkali metal hydrogencarbonate salt; anda homoallyl halide.2: A composition , comprising:at least one basic compound selected from the group consisting of an alkali metal carbonate salt and an alkaline earth metal carbonate salt; anda homoallyl halide.3: A method for storing a homoallyl halide , the method comprising allowing at least one basic compound selected from the group consisting of a tertiary amine , a nitrogen-containing heterocyclic aromatic compound , an alkali metal carbonate salt , an alkaline earth metal carbonate salt and an alkali metal hydrogencarbonate salt , to coexist with the homoallyl halide.4: A method for producing a compound or a resin claim 1 , the method comprising using the composition according to as a raw material.5: A method for producing a compound or a resin claim 2 , the method comprising using the composition according to as a raw material. The present invention relates to a homoallyl halide composition, particularly to a composition containing a specific basic compound and a homoallyl halide.Homoallyl halides such as 3-methyl-3-butenyl chloride are useful as raw materials for compounds or resins for medicines, silane coupling agents and the like.Hydrocarbon halides are generally likely to decompose when exposed to heat, light, water or the like. Particularly in the case of homoallyl halides, in addition to further decomposition and isomerization by a hydrogen halide generated by the ...

Method for Preparing Fluorinated Olefin Compounds

The present invention relates to a method for preparing fluorinated olefin compounds, in particular (chloro)fluoropropenes and (chloro)fluorobutenes, and specifically, the fluorinated compound 2,3,3,3-tetrafluoro-1-propene, including at least one step of fluorination, in the gaseous phase, with HF and at least one compound selected from the halopropenes having formula the CXCHClCHX and the halopropenes having the formulas CXCC═CH, CClXCCl═CHand CX═CClCHX, where X is, independently, a fluorine or chlorine atom, in the presence of oxygen and a fluorination catalyst suspended in a fluidized-bed reactor. 110-. (canceled)11. A process for the manufacture of 2 ,3 ,3 ,3-tetra-fluoro-1-propene comprising at least one stage of gas-phase fluorination with HF of reactants comprising at least one compound selected from the group consisting of halopropanes of the formula CXCHClCHX and halopropenes of the formulae CXCCl═CH , CClXCCl═CHand CX═CClCHX , with X independently representing a fluorine or chlorine atom , in the presence of molecular oxygen and a fluorination catalyst held in suspension in a fluidized bed reactor.12. The process of claim 11 , wherein the molecular oxygen is in the form of air claim 11 , enriched air or high-purity oxygen.13. The process of claim 11 , wherein the halopropane comprises 2 claim 11 ,3-dichloro-1 claim 11 ,1 claim 11 ,1-trifluoropropane and/or 1 claim 11 ,1 claim 11 ,1 claim 11 ,2 claim 11 ,3-pentachloropropane.14. The process of claim 11 , wherein the halopropene of formula CXCCl═CHcomprises 2-chloro-3 claim 11 ,3 claim 11 ,3-trifluoro-1-propene.15. The process of claim 11 , wherein the oxygen compounds to be fluorinated molar ratio is between 0.01 and 1.16. The process of claim 11 , wherein the contact time between a gas mixture comprising the reactants and the catalyst is between 1 and 50 s.17. The process of claim 11 , wherein the catalyst comprises chromium.18. The process of claim 17 , wherein a mean diameter of the catalyst particles is ...

PROCESS FOR PRODUCING 2-CHLORO-3,3,3-TRIFLUOROPROPENE

This invention provides a process for producing 2-chloro-3,3,3-trifluoropropene, comprising: reacting anhydrous hydrogen fluoride with at least one chlorine-containing compound selected from the group consisting of chloropropanes and chloropropenes represented by specific formulas in a gas phase in the presence of a chromium atom-containing fluorination catalyst while heating, the reaction being carried out in the presence of molecular chlorine or with a water content in the reaction system of 300 ppm or less. This invention enables suppression of catalyst deterioration and efficient production of 2-chloro-3,3,3-trifluoropropene in a simple and economically advantageous manner on an industrial scale. 1. A process for producing 2-chloro-3 ,3 ,3-trifluoropropene , comprising:continuously reacting anhydrous hydrogen fluoride with at least one chlorine-containing compound in a gas phase in the presence of a chromium atom-containing fluorination catalyst while heating for at least 200 hours,{'sub': '2', 'the at least one chlorine-containing compound being chloropropenes represented by Formula (3): CXY═CClCHA, wherein X and Y are the same or different and each is F or Cl, and A is a halogen atom, and'}the reaction being carried out in the presence of molecular chlorine, wherein the amount of molecular chlorine is about 0.001 to about 0.3 moles per mole of the at least one chlorine-containing compound,the reaction being carried out at a temperature in the range of 200° C. to 300° C.,the selectivity of the 2-chloro-3,3,3-trifluoropropene being maintained at at least 90% after 200 hours of reaction time, andthe conversion rate of the chlorine-containing compound being maintained at at least 80% after 200 hours of reaction time.2. A process for producing 2-chloro-3 ,3 ,3-trifluoropropene , comprising:continuously reacting anhydrous hydrogen fluoride with at least one chlorine-containing compound in a gas phase in the presence of a chromium atom-containing fluorination ...

Method for producing fluoropropene

The present invention provides an economically advantageous method for efficiently producing a fluorine-containing compound while ensuring high conversion of the starting compound, reducing production of 245cb, and reducing equipment costs and energy costs. Specifically, the present invention provides a method for producing a fluorine-containing compound represented by Formula (3): CF3CFYnCH2Zn (wherein n is 0 or 1, one of Y and Z is H, and the other is F or Cl) by successively reacting at least one chlorine-containing compound selected from the group consisting of chlorine-containing fluoroalkane represented by Formula (1): CX3CHClCH2Cl (wherein X is independently F or Cl, with the proviso that at least one X is F) and chlorine-containing fluoroolefin represented by Formula (2): CX3CCl═CH2 (wherein X is independently F or Cl, with the proviso that at least one X is F) with anhydrous hydrogen fluoride in the presence of a fluorination catalyst, wherein the concentration of hydrogen chloride in a reactor inlet gas is not less than 0.01 vol % and not more than 10 vol %.

Process for preparing 3,3,3-trifluoroprop-1-ene

The present application provides a process of preparing 3,3,3-trifluoroprop-1-ene, comprising reacting 3-chloro-1,1,1-trifluoropropane with a base in an aqueous solvent component in the absence of a phase transfer catalyst.

STABLE COMPOSITIONS OF TRIFLUOROETHYLENE

The present invention relates to a composition comprising trifluoroethylene and 1,2,3,3,3-pentafluoropropene characterized that the weight ratio trifluoroethylene/1,2,3,3,3-pentafluoropropene is from 5/95 to 95/5. 119-. (canceled)20. A composition comprising trifluoroethylene and 1 ,2 ,3 ,3 ,3-pentafluoropropene , wherein the weight ratio trifluoroethylene/1 ,2 ,3 ,3 ,3-pentafluoropropene is from 5/95 to 95/5.21. The composition of claim 20 , wherein the weight ratio trifluoroethylene/1 claim 20 ,2 claim 20 ,3 claim 20 ,3 claim 20 ,3-pentafluoropropene is from 10/90 to 80/20.22. The composition of claim 20 , wherein the weight ratio trifluoroethylene/1 claim 20 ,2 claim 20 ,3 claim 20 ,3 claim 20 ,3-pentafluoropropene is from 20/80 to 50/50.23. The composition of claim 20 , wherein the composition is either liquid or compressed gas.24. The composition of claim 20 , wherein 1 claim 20 ,2 claim 20 ,3 claim 20 ,3 claim 20 ,3-pentafluoropropene comprises the Z or E isomer or a combination of both.25. A container comprising the composition of claim 23 , wherein the pressure within the container is from 0.35 to 4.14 MPa.26. The container of claim 25 , wherein when the composition is a compressed gas claim 25 , the pressure within the container is from 0.45 to 1.75 MPa.27. The container of claim 26 , wherein the pressure within the container is from 0.55 to 1.4 MPa and the composition weight ratio trifluoroethylene/1 claim 26 ,2 claim 26 ,3 claim 26 ,3 claim 26 ,3-pentafluoropropene is from 20/80 to 80/20.28. The container of claim 25 , wherein when the composition is a liquid in equilibrium with a gas claim 25 , the pressure within the container is from 0.55 to 1.75 MPa.29. The container of claim 28 , wherein the pressure within the container is from 0.65 to 1.4 MPa claim 28 , and the composition weight ratio trifluoroethylene/1 claim 28 ,2 claim 28 ,3 claim 28 ,3 claim 28 ,3-pentafluoropropene is from 15/85 to 60/40.30. The composition of claim 20 , wherein the ...

Radiolabeling Agents, Methods of Making, and Methods of Use Thereof

Described herein are labeling agents, specifically [C]fluoroform, [C]difluoromethane, [C]fluoromethyl iodide, [C]fluoromethyl bromide, [C]fluoromethyl chloride, [C]fluoromethyl trifluoromethansulfonate, [C]difluoromethyl iodide, [C]difluoromethyl bromide, [C]difluoromethyl chloride, [C]difluoromethyl trifluoromethansulfonate, [C]trifluoromethyl iodide, [C]trifluoromethyl bromide, [C]trifluoromethyl chloride, [C]trifluoromethyl trifluoromethansulfonate, [F]fluoroform, [F]difluoromethane, [F]difluoromethyl bromide or [F]trifluoromethyl bromide. Also included are methods of labeling precursors to provide labeled fluoroalkanes and imaging methods. 1. A labeling agent that is [C]fluoroform , [C]difluoromethane , [C]fluoromethyl iodide , [C]fluoromethyl bromide , [C]fluoromethyl chloride , [C]fluoromethyl trifluoromethansulfonate , [C]difluoromethyl iodide , [C]difluoromethyl bromide , [C]difluoromethyl chloride , [C]difluoromethyl trifluoromethansulfonate , [C]trifluoromethyl iodide , [C]trifluoromethyl bromide , [C]trifluoromethyl chloride , [C]trifluoromethyl trifluoromethansulfonate , [F]fluoroform , [F]difluoromethane , [F]difluoromethyl bromide , or [F]trifluoromethylbromide.2. (canceled)3. The labeling agent of claim 1 , wherein the labeling agent contains [C] and is NCA with a molar activity greater than 200 GBq/μmol claim 1 , wherein the molar activity is corrected to the end of radionuclide production claim 1 , or wherein the labeling agent contains [F] and is has moderate molar activity greater that is greater than 15 GBq/μmol claim 1 , wherein the molar activity is corrected to the end of radionuclide production.4. (canceled)5. A gas phase solvent-free method for producing an C- or F-labeled fluoroalkane claim 1 , the method comprising{'sup': 11', '18', '18', '11', '11', '11', '11, 'sub': '3', 'contacting [C]methane, [F]fluoromethane, [F]fluoromethyl bromide, [C]methyl iodide, [C]methyl bromide, [C]methyl chloride, or [C]methyl trifluoromethansulfonate, with ...

PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE

The invention relates to a process to prepare 2-chloro-3,3,3-trifluoropropene (HCO-1233xf) or 2-chloro-1,1,12-tetrafluoropropane (HCFC-244bb) using dichloro-trifluoropropanes and/or trichloro-difluoropropanes, and to prepare 2-chloro-3,3,3-trifluoropropene (HCO-1233xf) using various 242 and 243 isomers. 18.-. (canceled)9. A process to prepare 2-chloro-3 ,3 ,3-trifluoropropene (HCO-1233xt) and 2-chloro-1 ,1 ,1 ,2-tetrafluoropropane (244bb) comprising a contacting step comprising contacting at least one compound of Formulae (I) , (II) , (III){'br': None, 'sub': 2', '2, 'CX═CCl—CHX \u2003\u2003(I)'}{'br': None, 'sub': 3', '2, 'CX—CCl═CH\u2003\u2003(II)'}{'br': None, 'sub': 3', '2, 'CX—CHCl—CHX \u2003\u2003(III)'}wherein X is independently selected from F, Cl, Br, and I, provided that at least one X is not fluorine, with anhydrous hydrogen fluoride (HF) in the presence of a catalyst under conditions effective to form a composition comprising HCO-1233xf and a by-product selected from the group consisting of a dichloro-trifluoropropane, a trichloro-difluoropropane and combinations thereof;recovering the by-product from the composition;recycling the by-product to the contacting step wherein the by-product is converted to 2-chloro-1,1,1,2-tetrafluoropropane (244bb).10. The process of wherein the recovering step comprises phase separation and distillation.11. The process of wherein the catalyst is selected from the group consisting of CrO claim 9 , FeCl/C claim 9 , CrO/AlO claim 9 , CrO/AlF claim 9 , CrO/carbon claim 9 , CoCl/CrO/AlO claim 9 , NiCl/CrO/AlO claim 9 , CoCl/AlF claim 9 , NiCl/AlFand combinations thereof.12. The process of wherein the dichloro-trifluoropropane is selected from the group consisting of 2 claim 9 ,2-dichloro-1 claim 9 ,1 claim 9 ,1-trifluoropropane (HCFC-243ab) claim 9 , 1 claim 9 ,2-dichloro-1 claim 9 ,1 claim 9 ,2-trifluoropropane (HCFC-243bc) claim 9 , and combinations thereof.13. The process of wherein the trichloro-difluoropropane is selected ...

HYDROFLUORINATION OF 1233XF TO 244BB BY SBF5

The disclosure relates to a method for hydrofluorination of an olefin of the formula: RCX═CYZ to produce a hydrofluoroalkane of formula RCXFCHYZ or RCXHCFYZ, wherein X, Y, and Z are independently the same or different and are selected from the group consisting of H, F, Cl, Br, and C-Calkyl which is partially or fully substituted with chloro or fluoro or bromo; and R is a C-Calkyl which is unsubstituted or substituted with chloro or fluoro or bromo, comprising reacting the olefin with HF in the liquid-phase, in the presence of SbF, at a temperature ranging from about −30° C. to about 65° C. and compositions formed by the process. 1. A hydrofluoroalkane composition formed by reacting HF with olefin of the formula RCX═CYZ in the liquid phase in the presence of a catalyst , the catalyst being SbF , at a temperature ranging from about −30° C. to about 65° C. to produce a hydrofluoroalkane having the formula;wherein X, Y and Z are independently the same or different and are H, F, or Cl, and R is trifluoromethyl and the hydrofluoroalkane composition comprises greater than 95% RCXFCHYZ.2. The hydrofluoroalkane composition of claim 1 , wherein the hydrofluoroalkane composition comprises greater than 98% RCXFCHYZ.3. The hydrofluoroalkane composition of claim 1 , wherein the hydrofluoroalkane composition comprises greater than 99% RCXFCHYZ.4. The hydrofluoroalkane composition of claim 1 , wherein the hydrofluoroalkane is 2-chloro-1 claim 1 ,1 claim 1 ,1 claim 1 ,2-tetrafluoropropane.5. The hydrofluoroalkane composition of claim 1 , wherein the olefin is 2-chloro-3 claim 1 ,3 claim 1 ,3-trifluoropropene and the hydrofluoroalkane is 2-chloro-1 claim 1 ,1 claim 1 ,1 claim 1 ,2-tetrafluoropropane.6. The hydrofluoroalkane composition of claim 1 , wherein the hydrofluoroalkane composition comprises greater than 98% 1 claim 1 ,1 claim 1 ,1 claim 1 ,3 claim 1 ,3-pentafluoropropane.7. The hydrofluoroalkane composition of claim 1 , wherein the hydrofluoroalkane composition comprises ...

METHOD FOR STORING AND TRANSPORTING CHLOROALKANES

Disclosed herein are inhibitor mixtures that prevent or minimize the degradation of halogenated alkanes. The formulations contain acid acceptor stabilizer and/or a metal inhibitor. Methods of making and using the inhibitor mixture are also described. 1. A process for inhibiting degradation of a halogenated alkane , the process comprising: Combining a halogenated alkane with an inhibitor mixture comprising an acid acceptor stabilizer and/or a metal inhibitor , wherein the halogenated alkane is optionally dried before it is treated with the inhibitor mixture.2. A process according to claim 1 , wherein the acid acceptor comprises one or more of compounds comprising amylene claim 1 , butylene oxide claim 1 , propylene oxide claim 1 , cyclohexene oxide claim 1 , butoxymethyl oxirane claim 1 , isopropyl acetate claim 1 , cyclohexane claim 1 , trimethylpentene claim 1 , isopropyl alcohol claim 1 , pyridine claim 1 , triethylamine claim 1 , epichlorohydrin claim 1 , 4-methylmorpholine claim 1 , n-methylmorpholine claim 1 , n-methyl pyrrole claim 1 , nitromethane and combinations of two or more thereof.3. A process according to claim 1 , wherein the metal inhibitor comprises one or more of 1 claim 1 ,4-dioxane claim 1 , cyclohexane claim 1 , 1 claim 1 ,3-dioxolane claim 1 , isoamyl alcohol claim 1 , ethyl acetate claim 1 , formaldehyde dimethyl hydrazone claim 1 , or 2-methyl-3-buyn-2-ol claim 1 , furfuryl alcohol claim 1 , dimethyl oxalate claim 1 , and glycidol.4. A process according to claim 1 , wherein the halogenated alkane is a chlorinated alkane.5. A process according to claim 1 , wherein the halogenated alkane is dried by treating it with calcium chloride claim 1 , AlO claim 1 , activated carbon claim 1 , molecular sieve claim 1 , ion exchange resins or a combination of two or more thereof.6. A process according to claim 4 , wherein the chlorinated alkane is a chlorinated C-Calkane.7. A process according to claim 6 , where in the chlorinated C-Calkane is a ...

Method for producing fluorinated compounds

The present invention relates to a process for producing a fluorinated compound, comprising the steps of providing a gas stream comprising hydrofluoric acid; providing at least one liquid stream of chlorinated compound; spraying said at least one liquid stream of chlorinated compound to form droplets; vaporizing said droplets produced in step c) by mixing with said gas stream, the resulting mixture being a gas mixture; catalytic reaction of the chlorinated compound with the hydrofluoric acid in the gas phase and collection of a product stream; characterized in that the droplets produced in step c) have a mean diameter of less than 500 μm. The invention also relates to a facility for performing this process.

HEAT STORAGE MEDIUM, COOLING PACK, LOGISTICS PACKAGE, AND COOLING UNIT

It is an object to provide a heat storage medium capable of maintaining the latent heat capacity even if a supercooling inhibitor is added. A heat storage medium according to an aspect of the present invention is a heat storage medium which undergoes a phase change at a predetermined temperature and contains water, a main agent made of a quaternary ammonium salt forming a semi-clathrate hydrate, a pH adjustor maintaining alkalinity, and a nucleating agent generating cations exhibiting positive hydration. The heat storage medium separates into a first liquid layer containing the main agent and a second liquid layer containing the nucleating agent in an environment with a temperature exceeding the phase change temperature. 1. A heat storage medium which undergoes a phase change at a predetermined temperature , comprising:water;a main agent made of a quaternary ammonium salt forming a semi-clathrate hydrate;a pH adjustor maintaining alkalinity; anda nucleating agent generating cations exhibiting positive hydration,the heat storage medium separating into a first liquid layer containing the main agent and a second liquid layer containing the nucleating agent in an environment with a temperature exceeding the phase change temperature.2. The heat storage medium according to claim 1 , wherein the main agent is any one of tetrabutylammonium bromide claim 1 , tetrabutylammonium chloride claim 1 , tetrabutylammonium nitrate claim 1 , and tetrabutylammonium fluoride:the pH adjustor is sodium carbonate; andthe nucleating agent is an anhydride or hydrate of disodium hydrogen phosphate.3. The heat storage medium according to claim 2 , wherein when the main agent is tetrabutylammonium bromide claim 2 , the content of tetrabutylammonium bromide is within the range of 35 wt % to 40.5 wt % claim 2 ,the content of the anhydride or the hydrate of disodium hydrogen phosphate is 2.5 wt % or more, andthe content of the sodium carbonate is 2.0 wt % or more.4. The heat storage medium ...

OIL EXTRACTION AGENT

It is an objet to provide an oil extraction agent that is used in an oil concentration meter, that can be manufactured at low cost, that has a high oil extraction efficiency, and whose burden on the environment is small. Trimeric or higher oligomers of chlorotrifluoroethylene are contained in the overall oil extraction agent in a range between 35% by weight or more and 100% by weight or less. 1. An oil extraction agent containing trimeric or higher oligomers of chlorotrifluoroethylene in a range between 35% by weight or more and 100% by weight or less.2. An oil extraction agent whose principal constituent is formed by trimeric or higher oligomers of chlorotrifluoroethylene , andwhose viscosity at 25° C. is between 1.30 cSt or more and 3.00 cSt or less.3. The oil extraction agent according to claim 1 , wherein the oligomers are trimers.4. The oil extraction agent according to claim 2 , wherein the oligomers are trimers.5. A method of measuring an oil concentration of an oil extraction agent after the oil extraction agent has been added to a test sample and has extracted oil therefrom claim 2 , whereinan oil extraction agent that contains trimeric or higher oligomers of chlorotrifluoroethylene in a range between 35% by weight or more and 100% by weight or less is used as the oil extraction agent.6. The oil concentration measurement method according to claim 5 , wherein the oil concentration is measured using infrared absorption method.7. An oil concentration measuring device that measures an oil concentration of an oil extraction agent after the oil extraction agent has been added to a test sample and has extracted oil therefrom claim 5 , whereinan oil extraction agent that contains trimeric or higher oligomers of chlorotrifluoroethylene in a range between 35% by weight or more and 100% by weight or less is used as the oil extraction agent.8. The oil concentration measurement device according to claim 7 , wherein the oil concentration measurement device comprises a ...

PROCESS FOR THE PRODUCTION OF 2,3,3,3-TETRAFLUOROPROPENE

The present invention relates to a process for producing 2,3,3,3-tetrafluoropropene, comprising the steps of: a) providing a stream A comprising at least one of the compounds selected from the group consisting of 2-chloro-3,3,3-trifluoropropene and 2,3-dichloro-1,1,1-trifluoropropane; b) in a reactor, bringing said stream A into contact with HF in the presence or absence of a fluorination catalyst in order to produce a stream B comprising 2,3,3,3-tetrafluoropropene; characterized in that the electrical conductivity of said stream A provided in step a) is less than 15 mS/cm. 1. A process for producing 2 ,3 ,3 ,3-tetrafluoropropene , comprising the steps of:a) providing a stream A comprising at least one starting compound selected from the group consisting of 2-chloro-3,3,3-trifluoropropene and 2,3-dichloro-1,1,1-trifluoropropane;b) in a reactor, bringing said stream A into contact with HF in the presence or absence of a catalyst in order to produce a stream B comprising 2,3,3,3-tetrafluoropropene;wherein the electrical conductivity of said stream A provided in step a) is less than 15 mS/cm.2. The process as claimed in claim 1 , wherein step b) is carried out in the gas phase in the presence of a catalyst.3. The process as claimed in claim 1 , wherein the electrical conductivity of said stream A is less than 10 mS/cm.4. The process as claimed in claim 1 , wherein step b) is carried out in the presence of a chromium-based catalyst.5. The process as claimed in claim 1 , wherein the catalyst is based on chromium and also comprises a cocatalyst selected from the group consisting of Ni claim 1 , Zn claim 1 , Co claim 1 , Mn and Mg.6. The process as claimed in claim 1 , wherein stream A comprises 2-chloro-3 claim 1 ,3 claim 1 ,3-trifluoropropene claim 1 , HF and 1 claim 1 ,1 claim 1 ,1 claim 1 ,2 claim 1 ,2-pentafluoropropane.7. The process as claimed in claim 1 , wherein claim 1 , in addition to 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene claim 1 , stream B ...

Hydrogenation of multi-brominated alkanes.

Process for Preparing 2-Chloro-3,3,3-Trifluoropropene

본 발명은 2-클로로-3,3,3-트리플루오로프로펜의 제조방법을 제공하는 것으로, 식 (1): CX 3 CHClCH 2 Cl로 표시되는 클로로프로판으로서, 각각의 X는 동일하거나 상이하며 각각 Cl 또는 F를 나타내는 클로로프로판; 식 (2): CClY 2 CCl=CH 2 로 표시되는 클로로프로펜으로서, 각각의 Y는 동일하거나 상이하며 각각 Cl 또는 F를 나타내는 클로로프로펜; 및 식 (3): CZ 2 =CClCH 2 Cl로 표시되는 클로로프로펜으로서, 각각의 Z는 동일하거나 상이하며 각각 Cl 또는 F를 나타내는 클로로프로펜으로 이루어진 군으로부터 선택된 하나 이상의 염소-함유 화합물이 출발 화합물로서 사용되며, 상기 하나 이상의 염소-함유 화합물은 상기 염소-함유 화합물에 대해서 물 50 ppm 이상의 존재 하에 기체 상태로 가열되면서 불화수소와 반응한다. 본 발명의 제조방법은 용이하게 수행하고 경제적으로 유리하고 산업적 규모의 생산에 적합한 방식으로 2-클로로-3,3,3-트리플루오로프로펜 (HCFO-1233xf)을 제조하는 것이 가능하다. The present invention provides a process for producing 2-chloro-3,3,3-trifluoropropene, wherein chloropropane represented by the formula (1): CX 3 CHClCH 2 Cl, wherein each X is the same or different Chloropropane, each representing Cl or F; Equation (2): CClY 2 CCl = chloro as propene represented by CH 2, each Y is chloro propene represents the same or different and each is Cl or F, respectively; And (3): CZ 2 = CClCH 2 Cl, wherein each Z is the same or different and at least one chlorine-containing compound selected from the group consisting of chloropropene, each of which represents Cl or F, Wherein the at least one chlorine-containing compound is reacted with hydrogen fluoride while being heated to a gaseous state in the presence of at least 50 ppm of water relative to the chlorine-containing compound. The process of the present invention makes it possible to prepare 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) in a manner that is easy to perform and economically advantageous and suitable for industrial scale production.

用于制备2,3,3,3-四氟丙烯的方法

本发明提供通过简单且经济有利的适用于在工业规模上实施的方法来有效地制备2,3,3,3-四氟丙烯（HFO-1234yf）的方法。本发明提供用于制备2,3,3,3-四氟丙烯的方法，包括以下步骤：（1）在反应器中，（1-1）使1,1,1,2,3-五氯丙烷与氟化氢反应，其中氟化氢的量相对于每摩尔1,1,1,2,3-五氯丙烷为10～100摩尔；（1-2）在由组成式CrO m （1.5<m<3）表示的铬氧化物或通过使铬氧化物氟化而得到的氟化铬氧化物的存在下；（1-3）在氧的存在下，其中氧的量相对于每摩尔1,1,1,2,3-五氯丙烷为0.02～1摩尔；以及（1-4）在320～390℃温度范围内的气相中，从而获得含有2,3,3,3-四氟丙烯的反应产物。

Method for production of 1,1,2,2,3-pentafluoropropane

Предлагается способ получения 1,1,2,2,3-пентафторпропана реакцией 1-хлор-2,2,3,3-тетрафторпропана с фтористым водородом в присутствии фторированного катализатора. Осуществление этого способа позволяет получать 1,1,2,2,3-пентафторпропан в промышленном масштабе и экономично с достижением высокого выхода.

Method of preparing 1,1,2,2,3-pentafluoropropane

Предлагается способ получения 1,1,2,2,3-пентафторпропана реакцией 1-хлор-2,2,3,3-тетрафторпропана с фтористым водородом в присутствии фторированного катализатора. Осуществление этого способа позволяет получать 1,1,2,2,3-пентафторпропан в промышленном масштабе и экономично с достижением высокого выхода. 2 з.п. ф-лы, 2 табл. Э9ЭСсСУтОтС ПЧ Го (19) РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ ВИ 2104 264 ' МК С 07С 19/08, 17/16 13) СЛ 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 95117118/04, 24.12.1993 (30) Приоритет: 29.12.1992 /Р 360963/92 (46) Дата публикации: 10.02.1998 (56) Ссылки: Ц, патент, 280740, кл. 570-134, 1961. (71) Заявитель: Дайкин Индастриз Лтд. (Р) (72) Изобретатель: Такаси Ясухара[уР], Акинори Амамото[/Р], Хироказу Аояма[/Р], Эйдзи Секи[УР] (86) 3 РСТ (73) Патентообладатель: ^ аявка | айкин Индастриз Лтд. (УР УР 93/01888 (24.12.93) п р СР о (54) СПОСОБ ПОЛУЧЕНИЯ 1,1,2,2,3-ПЕНТАФТОРПРОПАНА < (57) Реферат: Осуществление этого способа позволяет «о Предлагается способ — получения получать 1,1,2,2,3-пентафторпропан В 1,1,2,2,3-пентафторпропана реакцией промышленном масштабе и экономично с сч 1-хлор-2,2,3,3-тетрафторпропана с достижением высокого выхода. 2 з.п. ф-лы, 2 фтористым водородом в присутствии табл. < фторированного катализатора. © == Сс' — О Э9ЭСсСУтОтС ПЧ Го КУЗЗАМ АСЕМСУ ГОК РАТЕМТ$ АМО ТКАОЕМАКК$ (19) 13) ВИ ^” 2 104 264 `°_ Сл (51) пё. С1.6 С 07 С 19/08, 17/16 12) АВЗТКАСТ ОЕ 1МУЕМТОМ (21), (22) АррИсаНоп: 95117118/04, 24.12.1993 (71) АррисапЕ (30) Рношу: 29.12.1992 /Р 360963/92 (46) Рае ог рибИсаНоп: 10.02.1998 (86) РСТ аррИсанНоп: УР 9301888 (24.12.93) Бакт шадазмх Ца. (р) (72) пуетог. — Таказ уазиКВага[4Р], АКтог Ататою[/Р], Кмгокахи Аоата[.Р], Еат Зек|Р] (73) Ргорпеюг: Бакт шаазмх Ца. (р) (54) МЕТНОО ОЕ РВЕРАНМС 1,1,2,2,3-РЕМТАРЕЧОКОРКОРАМЕ (57) АБзасЕ: НЕО: среглса! тадиягу. ЗОВЗТАМСЕ: ргезепт% шуепйоп Чезспрез тешоя © ргерагпа 1,1,2,2,3- ретщайЙиогоргорапе Бу геас!оп ОЕ 1-сН|ого-2,2,3,3- { ...

Low temperature production of 1-chloro-3,3,3-trifluoropropene (HCFC-1233zd)

一种由1，1，1，3，3－五氯丙烷(HCC－240fa)和氟化氢反应生产1－氯－3，3，3－三氟丙烯(HCFC－1233zd)的工艺，在路易斯酸催化剂或者路易斯酸催化剂混合物存在下，在反应温度低于150℃下，所述反应物液相反应，并连续移出反应中形成的氯化氢和HCFC－1233zd并分离HCFC－12333zd。

Process for producing hexafluoropropylene from CCIF2CClFCF3 and an azeotropic mixture of CCIF2CClFCF3 and HF

(57)【要約】 ＣＦ 3 ＣＦ＝ＣＦ 2 の製造方法が開示される。その方法は、２，３−ジクロロ−１，１，１，２，３，３−ヘキサフルオロプロパンと少なくとも０．１モルの水素とを、チタン、ニッケル、もしくは鉄、またはそれらの合金の反応容器中で、約３５０℃から約６００℃の範囲内の温度において、そしてヘキサフルオロプロペンを生成するために十分な時間の間、接触させる工程を含み、その反応容器は、空であるか、またはチタン、ニッケル、もしくは鉄、またはそれらの合金の粒子または形成された造形品を詰め込まれる。有効量のＣＣｌＦ 2 ＣＣｌＦＣＦ 3 と組合わせてフッ化水素を含有して、共沸混合物またはフッ化水素を含む共沸性組成物を形成する組成物も開示される。その組成物は、約８．７から３３．６モルパーセントのＣＣｌＦ 2 ＣＣｌＦＣＦ 3 を含有する。

Method of obtaining 1, 1,1-trifluoro-2, 3-dichloropropane

Изобретение относится к способу получения 1,1,1-трифтор-2,3-дихлорпропана (243db), включающий контактирование 3,3,3-трифторпропена (1243zf) с хлором в присутствии катализатора, включающего активированный уголь, оксид алюминия и/или оксид переходного металла. Предлагаемый способ является чистым и эффективным. 8 н. и 67 з.п. ф-лы, 7 пр., 5 табл. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 476 413 (13) C2 (51) МПК ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ C07C C07C C07C C07C C07C B01J B01J 17/04 (2006.01) 17/20 (2006.01) 17/23 (2006.01) 19/10 (2006.01) 21/18 (2006.01) 21/18 (2006.01) 23/26 (2006.01) ИЗОБРЕТЕНИЯ К ПАТЕНТУ Приоритет(ы): (30) Конвенционный приоритет: 09.04.2008 GB 0806419.8 (73) Патентообладатель(и): МЕКСИЧЕМ АМАНКО ХОЛДИНГ С.А. ДЕ С.В. (MX) (43) Дата публикации заявки: 20.05.2012 Бюл. № 14 C 2 2 4 7 6 4 1 3 R U C 2 (56) Список документов, цитированных в отчете о поиске: WO 2008054782 A1, 08.05.2008. BÜCHNER M; NIXDORF A; H-F GRÜTZMACHER. REACTIONS OF GASEOUS, HALOGENTATED PROPENE RADICAL CATIONS WITH AMMONIA: A STUDY OF THE MECHANISM BY FOURIER TRANSFORM ION CYCLOTRON RESONANCE // CHEMISTRY - A EUROPEAN JOURNAL. - VOL:4, PAGE(S): 1799-1809, 01.01.1998. WO 2008075017 A2, 26.06.2008. EP 0502605 A1, (см. прод.) (85) Дата начала рассмотрения заявки PCT на национальной фазе: 09.11.2010 (86) Заявка PCT: GB 2009/000949 (09.04.2009) (87) Публикация заявки РСТ: WO 2009/125200 (15.10.2009) Адрес для переписки: 109012, Москва, ул. Ильинка, 5/2, ООО "Союзпатент" (54) СПОСОБ ПОЛУЧЕНИЯ 1,1,1-ТРИФТОР-2,3-ДИХЛОРПРОПАНА (57) Реферат: Изобретение относится к способу получения 1,1,1-трифтор-2,3дихлорпропана (243db), включающий контактирование 3,3,3трифторпропена (1243zf) с хлором в присутствии катализатора, включающего активированный уголь, оксид алюминия и/или оксид переходного металла. Предлагаемый способ является чистым и эффективным. 8 н. и 67 з.п. ф-лы, 7 пр., 5 табл. (56) (продолжение): Ñòð.: 1 ru 2 4 7 6 4 1 3 (45) Опубликовано: 27.02.2013 Бюл. № 6 ...

Process for preparing 2,3,3,3-tetrafluoropropene

本发明提供一种生产由化学式CF 3 CF＝CH 2 表示的2，3，3，3-四氟丙烯的方法，包括使由化学式CF 2 XCFYCH 2 Z表示的含氟丙烷与至少一种选自氧化铬、氟化氧化铬和氟化铁的催化剂在气相中接触，其中X是Cl、Br或I；Y和Z中一个是H，且另一个是F、Cl、Br或I。根据本发明的方法，能够在经济有利的条件下很容易生产2，3，3，3-四氟丙烯。

Hydrochlorofluorocarbon azeotropic or azeotropic-like mixture

A hydrochlorofluorocarbon azeotropic or azeotropic-like mixture comprising at least one member selected from the group consisting of hydrogen-containing fluoropropanes of the formula I: wherein a + b + c = 3, x + y + z = 3, a + x≧1, b + y≧1, and 0≤a,b,c,x,y,z≦3, and at least one member selected from the group of compounds II consisting of halogenated hydrocarbons having a boiling point of from 20 to 85 °C other than said hydrochlorofluoropropanes, hydrocarbons having a boiling point of from 20 to 85°C and alcohols having from 1 to 4 carbon atoms.

How to remove hydrogen fluoride

플루오르화수소, 디클로메탄, 클로로플루오로메탄 및/또는 디플루오로메탄의 혼합물을 증류하여 플루오르화수소와 디플루오로메탄, 및 플루오르화수소와 클로로플루오로메탄의 2성분계 공비혼합물을 제거하거나, 이러한 혼합물을 플루오르화수소가 풍부한 상부 액상과 플루오르화수소가 빈약한 하부 액상으로 분리하고 각각의 액상을 상술한 바와같이 증류하므로써 플루오르화수소를 혼합물로 부터 효율적으로 제거될수 있다.

METHOD FOR PRODUCING HALOGENED HYDROCARBONS AND A CHOSENED COMPOUND

1. Жидкофазный способ, включающий реакцию CHCl3 с CHX=CYR в присутствии катализатора присоединения с получением смеси продуктов, содержащей соединение присоединения CHCl2CHXCClYR, где каждый и X, и Y независимо выбраны из группы, содержащей H, F, Cl и Br, и R=H или пергалогенированная алкильная группа. ! 2. Жидкофазный способ по п.1, где указанный катализатор присоединения представляет собой медьсодержащий катализатор, содержащий хлорид меди и подходящий восстановитель. ! 3. Жидкофазный способ по п.2, где указанный подходящий восстановитель выбирают из группы, содержащей гидразин и его производные, дитиониты, медь, марганец и железо. ! 4. Жидкофазный способ по п.2, где растворитель применяют вместе с указанным медьсодержащим катализатором. ! 5. Жидкофазный способ по п.4, где указанный растворитель выбирают из группы, содержащей ацетонитрил, пропионитрил, диметилформамид, диметилацетамид и N-метилпирролидон. ! 6. Жидкофазный способ по п.2, где указанную реакцию проводят при температуре от приблизительно 60°C до приблизительно 240°C. ! 7. Жидкофазный способ по п.1, где указанный катализатором присоединения является железный катализатор, содержащий железо и хлорид железа. ! 8. Жидкофазный способ по п.7, где указанный хлорид железа представляет собой FeCl3. ! 9. Жидкофазный способ по п.7, где сокатализатор применяют вместе с указанным железным катализатором, и где указанный сокатализатор представляет собой алкил или арилфосфат. ! 10. Жидкофазный способ по п.9, где указанный сокатализатор выбирают из группы, содержащей триэтилфосфат, трибутилфосфат, фенилдиэтилфосфат, диэтилфосфат, дибутилфосфат, фенилфосфат и бутилфосфат. ! 11. Жидкофазный способ по п. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2010 147 009 (13) A (51) МПК C07B 47/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2010147009/04, 17.11.2010 (71) Заявитель(и): Е.И.ДЮПОН ДЕ НЕМУР ЭНД КОМПАНИ (US) Приоритет(ы): (22) Дата подачи заявки: 17.11.2010 (43) Дата ...

CATALYTIC SYNTHESIS OF INTERNAL FLUORBUTENES AND INTERNAL FLUOROPENTENES

1. Парофазный способ получения внутренних фторбутенов, включающий контактирование галобутанового исходного материала, выбранного из группы, содержащей CF2HCHClCH2CCl2H, CF2HCHClCH2CCl3, CF3CHClCH2CCl2H, CF3CHClCH2CCl3, CF3CHClCHClCCl2H, CF3CHClCHClCCl3, CF3CCl2CH2CCl2H, CF3CCl2CH2CCl3, CF3CCl2CHClCCl2H, CF3CCl2CHClCCl3, CF3CClFCHClCCl2H, CF3CClFCHClCCl3, CF3CClFCH2CCl2H, CF3CClFCH2CCl3, CF3CClFCHFCCl2H, CF3CClFCHFCCl3, CF3CClHCHFCCl2H и CF3CClHCHFCCl3, с HF в реакционной зоне в присутствии катализатора оксифторида хрома с получением смеси продукта, содержащей внутренний фторбутен. ! 2. Парофазный способ по п.1, где указанный галобутановый исходный материал представляет собой CF2HCHClCH2CCl2H, а указанный продукт внутреннего фторбутена представляет собой CF2HCH=CHCF2H. ! 3. Парофазный способ по п.1, где указанный галобутановый исходный материал представляет собой CF2HCHClCH2CCl3, CF3CHClCH2CCl2H или их смеси, а указанный продукт внутреннего фторбутена представляет собой CF3CH=CHCF2H. ! 4. Парофазный способ по п.1, где указанный галобутановый исходный материал представляет собой CF3CHClCH2CCl3, а указанный продукт внутреннего фторбутена представляет собой CF3CH=CHCF3. ! 5. Парофазный способ по п.1, где указанный галобутановый исходный материал представляет собой CF3CHClCHClCCl2H, а указанный продукт внутреннего фторбутена представляет собой CF3CF=CHCF2H, CF3CH=CFCF2H или их смеси. !6. Парофазный способ по п.1, где указанный галобутановый исходный материал выбирают из группы, содержащей CF3CHClCHClCCl3, CF3CCl2CH2CCl3, CF3CClHCHFCCl3 и CF3CClFCH2CCl3, а указанный продукт внутреннего фторбутена представляет собой CF3CF=CHCF3. ! 7. Парофазный способ по п.1, где указанный галобутановый исходный материал представляет собой CF3CCl2CH2CCl2H, CF3CClFCH2CCl2H или их смеси, а указанный продукт внутреннего фторбутена представляет собой CF3CF=CHCF2H. ! 8. Парофазный способ по п.1, РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2010 147 004 (13) A (51) МПК C07C 11/00 (2006.01) ФЕДЕРАЛЬНАЯ ...

Saparation method of the high boiling point organic compounds in ionic liquid

본 발명은 이온성 액체 내에 존재하는 고비점 유기화합물을 제거하는 이온성 액체의 정제방법에 관한 것으로, 본 발명에 따른 이온성 액체 내의 고비점 유기 화합물을 제거하는 이온성 액체의 정제방법은 종래의 일반 유기용매를 이용한 정제보다 정제효과가 상당히 우수하여, 고순도 이온성 액체의 제조가 가능할 뿐만 아니라, 정제공정이 간단하여 시간 및 경제적인 효과가 뛰어나고, 고순도의 이온성 액체를 제조하기 위하여 많은 양의 유기용매를 사용해야 했던 종래의 정제방법에 비해 적은 양의 용매를 사용함으로써 폐용매가 적게 발생되는 환경적인 효과 또한 크므로 유기합성, 전기화학 생물공학, 화학공학 및 분리 공정을 포함하는 여러 분야에서 유용하게 사용할 수 있다.

Method for producing 2,3,3,3-tetrafluoropropene

Novel alkylhalide compounds and method for preparing the same

The present invention relates to a novel alkyl halide compound and a process for preparing the same. The alkyl halide compound according to the present invention is applied to all polymers and monomers used in organic semiconductors, and thus the organic semiconductor material into which the novel alkyl group is introduced has a solubility And various solvents are added to facilitate the production of devices through solution processes such as spin coating, die casting, and printing, and the device characteristics can be improved by controlling the shape and crystallinity of the film.

Method of removing hydrogen fluoride

본 발명은 플루오르화수소, 디클로로메탄, 클로로플루오로메탄 및/또는 디플루오로메탄의 혼합물을 증류하여, 플루오르화수소와 디클로로메탄, 플루오르화수소와 디플루오로메탄, 및 플루오르화수소와 클로로플루오로메탄의 2 성분계 공비 혼합물을 제거하거나, 또는 이러한 혼합물을 플루오르화수소가 풍부한 상부 액상과, 플루오르화수소가 빈약한 하부 액상으로 분리한 후, 각각의 액상을 상술한 바와 같이 증류함으로써, 상기 혼합물로부터 플루오르화수소를 효율적으로 제거하는 방법에 관한 것이다. The present invention is to distill a mixture of hydrogen fluoride, dichloromethane, chlorofluoromethane and / or difluoromethane, to obtain hydrogen fluoride and dichloromethane, hydrogen fluoride and difluoromethane, and hydrogen fluoride and chlorofluoromethane. The hydrogen fluoride is efficiently removed from the mixture by removing the component azeotropic mixture or by separating the mixture into a hydrogen fluoride-rich upper liquid phase and a hydrogen fluoride poor liquid phase, and then distilling each liquid phase as described above. It is about how to remove.

Process for combining chlorine-containing molecules to synthesize fluorine-containing products

Alternatives to chlorofluorocarbons are provided by the inventive process for synthesizing fluorine-containing products RCFbHc+a-1Hf+d-1FeCR' which may optionally be carried out without the isolation of any intermediate in a single reactor or a series of reactors. The process comprises combining chlorine-containing reactants RCClaFbHc and R'CCldFeHf in the presence of hydrogen and at least one catalyst. R and R' are chosen from the group consisting of halogens, halogenated hydrocarbons, and hydrocarbons, and at least one of R and R' contains fluorine, a and d are integers from 1 to 3, b, c, e, and f are integers from 0 to 2, the sum of a, b, and c is 3, and the sum of d, e, and f is 3, and further treating the coupled products in the presence of an optional catalyst with hydrogen or a fluorinating agent.

Process for stabilizing tetrabromobisphenol A bis (dibromopropyl) ether or hexabromocyclododecane

Tetrabrombisphenol A-bis-(dibrompropyl)-äther oder Hexabromcyclododecan, die mit geringen Mengen an ungesättigten Verbindungen verunreinigt sind, werden mit einem polymeren Epoxid stabilisiert und dadurch Verfärbungen bei der Verarbeitung von thermoplastischen Kunststoffen vermieden, die mit Tetrabrombisphenol A-bis-(dibrompropyl)-äther bzw. Hexabromcyclododecan brandgeschützt eingestellt sind. Tetrabromobisphenol A-bis- (dibromopropyl) -ether or hexabromocyclododecane, which are contaminated with small amounts of unsaturated compounds, are stabilized with a polymeric epoxide and thus discolouration during the processing of thermoplastics avoided with tetrabromobisphenol A-bis- (dibromopropyl) -ether or hexabromocyclododecane are set fire-proof.

METHOD FOR PRODUCING HALOGENED HYDROCARBONS AND SELECTED COMPOUNDS

1. Жидкофазный способ, включающий реакцию CCl4 с CHX=CYR в присутствии катализатора присоединения с получением смеси продуктов, содержащей соединение присоединения CCl3CHXCClYR, где каждый и X, и Y независимо выбраны из группы, содержащей H, F, Cl и Br, и R представляет собой пергалогенированную алкильную группу, при условии, что CHX=CYR не является CF3CH=CH2. ! 2. Жидкофазный способ по п.1, где указанный катализатор присоединения представляет собой медный катализатор, содержащий хлорид меди и подходящий восстановитель. ! 3. Жидкофазный способ по п.2, где указанный подходящий восстановитель выбирают из группы, содержащей гидразин и его производные, дитиониты, медь, марганец и железо. ! 4. Жидкофазный способ по п.2, где растворитель применяют вместе с указанным медным катализатором. ! 5. Жидкофазный способ по п.4, где указанный растворитель выбирают из группы, содержащей ацетонитрил, пропионитрил, диметилформамид, диметилацетамид и N-метилпирролидон. ! 6. Жидкофазный способ по п.2, где указанную реакцию проводят при температуре от приблизительно 60oC до приблизительно 240°C. ! 7. Жидкофазный способ по п.1, где указанным катализатором присоединения является железосодержащий катализатор, содержащий железо и хлорид железа. ! 8. Жидкофазный способ по п.7, где указанный хлорид железа представляет собой FeCl3. ! 9. Жидкофазный способ по п.7, где сокатализатор применяют вместе с указанным железным катализатором, и где указанный сокатализатор представляет собой алкил или арилфосфат. ! 10. Жидкофазный способ по п.9, где указанный сокатализатор выбирают из группы, содержащей триэтилфосфат, трибутилфосфат, фенилдиэтилфосфат, диэтилфосфат, дибутилфосфат, фенилфосфат РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2010 147 008 (13) A (51) МПК C07C 17/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2010147008/04, 17.11.2010 (71) Заявитель(и): Е.И.ДЮПОН ДЕ НЕМУР ЭНД КОМПАНИ (US) Приоритет(ы): (22) Дата подачи заявки: 17.11.2010 (43) ...

Inhibition of decomposition of hydrogen and fluorinated halogenated hydrocarbons and methods of inhibiting decomposition using the same

유기 산-아민 혼합물, 불소 비함유 할로겐화 탄화수소, 카복실산 에스테르, 니트릴 화합물, 카보닐 화합물 및 할로겐화 니트로 화합물로 구성된 군중의 적어도 하나의 구성원을 포함하는 하이드로클로로플루오로카본 및 하이드로플루오로카본(HCFCs/HFCs)의 분해 억제제. 상기 언급한 분해 억제제를 사용함을 포함하는 HCFCs/HFCs의 분해를 억제하는 방법. 발포체로 HCFCs/HFCs를 사용하여 폴리우레탄 발포체를 제조하는 분야에서, HCFCs/HFCs의 분해를 억제하는 효과는 원료 물질의 저장, 발포체 제조 방법 및 발포 제품의 사용을 포함하는 장시간의 기간 동안 유효할 수 있다.

Azeotropic mixture and hydrogen fluoride isolation methods

FIELD: industrial organic synthesis. SUBSTANCE: hydrogen fluoride is efficiently removed from mixture consisting of hydrogen fluoride, dichloromethane, chlorofluoromethane, and/or difluoromethane via (i) distillation of mixture to remove two-component hydrogen fluoride- dichloromethane, hydrogen fluoride-hlorofluoromethane, and hydrogen fluoride-difluoromethane azeotropic mixtures or (ii) separating mixture into upper liquid hydrogen fluoride-enriched phase and lower liquid hydrogen fluoride-depleted phase followed by distillation of corresponding phases as described in (i). EFFECT: simplified method and increased its efficiency. 7 cl, 2 dwg, 7 tbl ссэзггс ПЫ Го РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) 13) ВИ” 2118 635” Сл 51 МК @ 07 С 17/38, 17/383, 19/08, С ОЛ В 7/19 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 93058442/04, 09.04.1993 (30) Приоритет: 13.04.1992 /Р 92667/92 27.04.1992 УР 107656/92 (46) Дата публикации: 10.09.1998 (56) Ссылки: Ц5, патент, 2450414, кл. С 07 С 17/38, 1948. (71) Заявитель: Дайкин Индастриз Лтд. (Р) (72) Изобретатель: Такехиде Тсуда (4Р), Такео Матсумото (.Р), Иосинори Танака (УР), Сатоси Коматсу (/Р), Сатоси Койяма (+Р) (54) АЗЕОТРОПНАЯ СМЕСЬ И СПОСОБЫ ВЫДЕЛЕНИЯ ФТОРОВОДОРОДА (57) Реферат: Фтороводород (НР) эффективно удаляется из смеси, состоящей из фтороводорода, дихлорметана, хлорфторметана и/или дифторметана, путем дистилляции смеси для удаления двухкомпонентных азеотропных смесей фтороводорода и дихлорметана, фтороводорода и хлорфторметана, фтороводорода и дифторметана или путем разделения смеси на верхнюю жидкую фазу, обогащенную фтороводородом, и нижнюю жидкую фазу, обедненную фтороводородом, и дистилляции соответствующих фаз, как описано выше. Способ эффективен и прост. 6 с. и 4 з.п. ф-лы, 2 ил., Г табл. (73) Патентообладатель: < Дайкин Индастриз Лтд. (Р) о р) < о со ^^. | =” Г и г = Й м м сх' 7 7 > Й 13 |, 14 си 77 Фиг] ссэзггс ПЫ Го 13) "Ри"? 2 418 635 Сл 579 07 С 17/38, 17/383, 19 ...

Stabilization of solutions for the treatment of metallic surfaces

PERFLUOROALKYLALOGENIDE BRANCHED AND THEIR PREPARATION

Halogenated organic compounds

Stabilization of nuclear chlorostyrenes by 2, 6-dinitrophenols

Stabilized chlorinated hydrocarbon compositions

Catalytical synthesis of internal fluorobutenes and internal fluoropentenes

A vapor phase process is disclosed for making internal fluorobutenes. The process involves contacting a halobutane starting material selected from the group consisting of CF 2 HCHCICH 2 CCI 2 H, CF 2 HCHCICH 2 CCI 3 , CF 3 CHCICH 2 CCI2H, CF 3 CHCICH 2 CCI 3 , CF 3 CHCICHCICCI 2 H, CF 3 CHCICHCICCI 3 , CF 3 CCI 2 CH 2 CCI 2 H, CF 3 CCI 2 CH 2 CCI 3 , CF 3 CCI 2 CHCICCI 2 H, CF 3 CCI 2 CHCICCI 3 , CF 3 CCIFCHCICCI 2 H, CF 3 CCIFCHCICCI 3 , CF 3 CCIFCH 2 CCI 2 H, CF 3 CCIFCH 2 CCI 3 , CF 3 CCIFCHFCCI 2 H, CF 3 CCIFCHFCCI 3 , CF 3 CCIHCHFCCI 2 H and CF 3 CCIHCHFCCI 3 , with HF in a reaction zone in the presence of a chromium oxyfluoride catalyst to produce a product mixture comprising an internal fluorobutene. Another vapor phase process is disclosed for making internal fluoropentenes. The process involves contacting a halopentane starting material selected from the group consisting of CF 2 HCHXCH 2 CX 2 CX 3 , CF 3 CHXCH 2 CX 2 CX 3 , CF 3 CHXCHXCX 2 CX 3 , CF 3 CX 2 CH 2 CX2CX 3 , CF 3 CX 2 CHXCX 2 CX 3 and CF 3 CHXCHFCX 2 CX 3 , with HF in a reaction zone in the presence of a chromium oxyfluoride catalyst to produce a product mixture comprising an internal fluoropentene, wherein each X is independently selected from the group consisting of F, CI and Br, provided that not all X are fluorines.

Stabilized halogenated hydrocarbons

Abstract of the disclosure: Many halogenated hydrocarbons, such as methylene chloride or fluorotrichloromethene, are slowly hydrolyzed even in the presence of small amounts of water. It has been found that they can be stabilized by adding thereto from 0,001 to 10 % by weight of a tertiary amine of the formula RR1R2N wherein R and R1, independent from each other, represent alkyl groups with from 1 to 10 carbon atoms and R2 represents an isopropyl, butyl (2), tertiary butyl or cyclohexyl group.

GAS PHASE FLUORINATION PROCESS

PENTAFLUORETHANE STABILIZATION PROCESS

STABILIZED COMPOSITIONS OF 1,1,1-TRICHLORETHANE

Process for the stabilization of chlorinated hydrocarbons

PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE

La présente invention concerne un procédé de production du 2,3,3,3-tétrafluoropropène comprenant les étapes de : a) fourniture d'un courant A comprenant au moins un des composés sélectionnés parmi le groupe consistant en 2-chloro-3,3,3-trifluoropropène et 2,3-dichloro-1,1,1-trifluoropropane ; b) dans un réacteur, mise en contact dudit courant A avec HF en présence ou non d'un catalyseur de fluoration pour produire un courant B comprenant 2,3,3,3-tétrafluoropropène ; caractérisé en ce que la conductivité électrique dudit courant A fourni à l'étape a) est inférieure à 15 mS/cm.

An insulating cooling liquid for electrical equipment

An insulating cooling liquid for electrical equipment. .F4-. Chlorinated aromatic hydrocarbons (I) are stabilised with 0.001-10% (esp. 0.05-1%) by wt. of 4,4'-bis(2,3-epoxypropoxy)-diphenyldimethylmethane and with 0.001-0.1% of a amine, which may be aliphatic, cycloaliphatic, arylaliphatic or a mixture. Preferably (I) are chlorinated diphenyl with 40-60% Cl, or mixtures of these with chlorobenzenes with 50-60% Cl. As amine at least one of the following should be present: dibenzylmethylamine, trimethylenetetramine, dicyclohexylamine, or preferably tribenzylamine.

PROCESS FOR PRODUCING DIFLUOROETHYLENE

Dimethoxymethane as stabiliser for chlorinated hydrocarbons - like tri-chloroethane, tri- and tetra-chloroethylene

Patent FR2268773B2

STABILIZED COMPOSITIONS OF 1,1,1-TRICHLOROETHANE

L'INVENTION CONCERNE DES COMPOSITIONS DE 1,1,1-TRICHLOROETHANE STABILISEES CONTENANT UN NITROALCANE ET DU 2-METHYL-2,3-EPOXYBUTANE. CES COMPOSITIONS CONVIENNENT BIEN POUR DEGRAISSER DES PIECES METALLIQUES MOUILLEES D'HUILES DE COUPE. THE INVENTION RELATES TO STABILIZED 1,1,1-TRICHLOROETHANE COMPOSITIONS CONTAINING NITROALCANE AND 2-METHYL-2,3-EPOXYBUTANE. THESE COMPOSITIONS ARE SUITABLE FOR DEGREASING METAL PARTS WET WITH CUTTING OILS.

Process for the stabilization of chlorinated hydrocarbons

COMPOSITION BASED ON STABILIZED METHYLENE CHLORIDE, USEFUL FOR DEGREASING METALS

L'invention concerne une composition à base de chlorure de méthylène stabilisé constituée essentiellement par au moins un 1,2-époxyalcane et par au moins un acétal. La composition selon l'invention est utilisable pour le dégraissage, le nettoyage et/ou le séchage des pièces métalliques. The invention relates to a composition based on stabilized methylene chloride consisting essentially of at least one 1,2-epoxyalkane and at least one acetal. The composition according to the invention can be used for degreasing, cleaning and / or drying metal parts.

Stabilising agent for 1,1,1- trichlorothene

Stabilising agent for 1,1,1-trichloroethane Consists of a mixture of an alkoxyethanol of formula R-O-CH2.CH2.OH, with one or more co-stabilisers, which may be epoxides, aliphatic ethers, alcohols, internal ethers, ketones, ketals, aldehydes, nitroalkanes or nitriles. 1,1,1-Trichloroethane is used as a cleaning agent for metals; stabilisation prevents decomposition and subsequent corrosive attack on metals. Total quantity of stabilising agents is 1-5% of trichlorethane.

PROCESS FOR PRODUCING A HYDROFLUOROALCAN

STABILIZED COMPOSITION OF 1,1,1-TRICHLOROETHANE

Composition stabilisée de 1,1,1-trichloroéthane. Cette composition contient de 3,7 à 7,6 % en volume par rapport au volume total de la composition de : 1 à 3 % en volume de 1,4-dioxanne; 1 à 3 % en volume d'alcool t-amylique; 0,5 à 1 % en volume d'oxyde de 1,2-butylène et 0,2 à 0,6 % en volume de nitrométhane ou d'un mélange de nitrométhane et de nitroéthane contenant jusqu'à 75 % en volume de nitroéthane. Utilisable notamment comme solvant de dégraissage des métaux. Stabilized composition of 1,1,1-trichloroethane. This composition contains from 3.7 to 7.6% by volume relative to the total volume of the composition of: 1 to 3% by volume of 1,4-dioxane; 1 to 3% by volume of t-amyl alcohol; 0.5 to 1% by volume of 1,2-butylene oxide and 0.2 to 0.6% by volume of nitromethane or a mixture of nitromethane and nitroethane containing up to 75% by volume of nitroethane . Usable in particular as a solvent for degreasing metals.

GAS PHASE FLUORINATION PROCESS

La présente invention concerne un procédé de fabrication d'au moins un composé de formule (II) : CF3-CX(Z)n-CHX(Z)n dans laquelle X représente indépendamment un atome d'hydrogène, de fluor ou de chlore, Z représente indépendamment un atome d'hydrogène ou de fluor et n = 0 ou 1 à partir d'au moins un composé de formule (I) : CX(Y)2-CX(Y)m-CHmXY dans laquelle X et Y représentent indépendamment un atome d'hydrogène, de fluor ou de chlore et m = 0 ou 1. Le procédé comprend au moins une étape au cours de laquelle au moins un composé de formule (I) réagit ou réagissent avec de l'HF en phase gazeuse en présence d'un catalyseur de fluoration pour donner au moins un composé de formule (II) caractérisé en ce que le catalyseur est à base d'oxyfluorure de chrome renfermant au moins le nickel comme co-métal et au moins un métal de terre rare. The present invention relates to a process for producing at least one compound of formula (II): ## STR1 ## wherein X independently represents a hydrogen, fluorine or chlorine atom, Z independently represents a hydrogen or fluorine atom and n = 0 or 1 from at least one compound of formula (I): CX (Y) 2-CX (Y) m-CHmXY wherein X and Y represent independently, a hydrogen, fluorine or chlorine atom and m = 0 or 1. The process comprises at least one step in which at least one compound of formula (I) reacts or reacts with HF in the gas phase in the presence of a fluorination catalyst to give at least one compound of formula (II), characterized in that the catalyst is based on chromium oxyfluoride containing at least nickel as co-metal and at least one rare earth metal .

PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE

La présente invention concerne un procédé de production du 2,3,3,3-tétrafluoropropène comprenant les étapes de : a) fourniture d'un courant A comprenant au moins un des composés sélectionnés parmi le groupe consistant en 2-chloro-3,3,3-trifluoropropène et 2,3-dichloro-1,1,1-trifluoropropane ; b) dans un réacteur, mise en contact dudit courant A avec HF en présence ou non d'un catalyseur de fluoration pour produire un courant B comprenant 2,3,3,3-tétrafluoropropène ; caractérisé en ce que la conductivité électrique dudit courant A fourni à l'étape a) est inférieure à 15 mS/cm.