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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 3046. Отображено 100.
15-03-2012 дата публикации

Process for producing 2,3,3,3-tetrafluoropropene

Номер: US20120065437A1
Автор: Daniel C. Merkel, Haiyou Wang, Hsueh S. Tung, Konstantin A. Pokrovski
Принадлежит: Honeywell International Inc

The instant invention relates to a process and method for manufacturing 2,3,3,3-tetrafluoropropene by dehydrohalogenating a reactant stream of 2-chloro-1,1,1,2-tetrafluoropropane that is substantially free from impurities, particularly halogenated propanes, propenes, and propynes.

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Номер записи: 1
17-05-2012 дата публикации

Azeotrope-like compositions comprising 1-chloro-3,3,3-trifluoropropene

Номер: US20120122996A1
Автор: David J. Williams, Gary Knopeck, Hang T. Pham, Kane Cook, Leslie Bement, Rajat Basu, Rajiv R. Singh, Ryan Hulse
Принадлежит: Honeywell International Inc

An azeotrope-like mixture consisting essentially of chlorotrifluoropropene and at least one component selected from the group consisting of a C 1 -C 3 alcohol, a C 5 -C 6 hydrocarbon, a halogenated hydrocarbon, methylal, methyl acetone, water, nitromethane, and combinations thereof.

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Номер записи: 2
28-06-2012 дата публикации

Compositions comprising 1,1,1,2,3-pentafluoropropane or 2,3,3,3- tetrafluoropropene

Номер: US20120165578A1
Автор: Barry Asher Mahler, Jeffrey P. Knapp, Mario Joseph Nappa
Принадлежит: EI Du Pont de Nemours and Co

Disclosed are compositions comprising HFC-245 eb and at least one additional compound selected from the group consisting of HFO-1234 ze , HFC-245 fa , HFC-236 cb , HFC-236 ea , HFC-236 fa , HFC-227 ea , HFC-227 ca , HFO-1225 yc , HFO-1225 zc , HFO-1225 ye , methane, ethane, propane, HFC-23, HFC-143 a , HFC-134, HFC-134 a , FC-1216, HFO-1234 yf , HFC-254 eb , HFO-1243 zf , and HFC-254 fb . Compositions comprising HFC-245 eb are useful in processes to make HFO-1234 yf . Also disclosed are compositions comprising HFO-1234 yf and at least one additional compound selected from the group consisting of HFO-1234 ze , HFC-254 eb , HFC-254 fb , HFO-1243 zf , HFCHFC-245 eb , HFC-245 fa , HFC-245 cb , HFC-236 cb , HFC-236 ea , HFC-236 fa , HFC-227 ea , HFC-227 ca , HFO-1225 yc , HFO-1225 zc , HFO-1225 ye , methane, ethane, propane, HFC-23, HFC-134, HFC-134 a , HFO-1132 a and FC-1216. Compositions comprising HFO-1234 yf are useful as heat transfer compositions for use in refrigeration, air-conditioning and heat pump systems.

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Номер записи: 3
26-07-2012 дата публикации

Process for separating hydrogen fluoride from organic feedstocks

Номер: US20120190901A1
Автор: Daniel C. Merkel, Hsueh Sung Tung, Konstantin A. Pokrovski
Принадлежит: Honeywell International Inc

Provided is a process for purifying an organic feedstock comprising (a) distilling a raw organic feedstock comprising hydrogen fluoride, 2-chloro-1,1,1,2-tetrafluoropropane, and 2-chloro-3,3,3-trifluoropropene to produce a first distillate stream comprising an azeotrope-like composition of 2-chloro-1,1,1,2-tetrafluoropropane, 2-chloro-3,3,3-trifluoropropene, and hydrogen fluoride, and a first bottoms stream rich in hydrogen fluoride; (b) cooling said first distillate stream to produce an intermediate composition comprising an organic layer rich in 2-chloro-1,1,1,2-tetrafluoropropane and 2-chloro-3,3,3-trifluoropropene, and an acid layer rich in hydrogen fluoride; and, optionally but preferably, (c) distilling said organic layer to produce a second distillate stream comprising an azeotrope-like composition of 2-chloro-1,1,1,2-tetrafluoropropane, 2-chloro-3,3,3-trifluoropropene, and hydrogen fluoride, and a second bottoms stream comprising a purified organic feedstock substantially free of hydrogen fluoride.

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Номер записи: 4
25-10-2012 дата публикации

Compounds for a liquid-crystalline medium, and the use thereof for high-frequency components

Номер: US20120267571A1
Автор: Atsutaka Manabe, Christian Jasper, Detlef Pauluth, Elvira Montenegro, Volker REIFFENRATH
Принадлежит: Merck Patent GmBH

The present invention relates to compounds of the formula I where one or more of the radicals A 1-5 denote a 1,4-naphthylene or 1,4- or 9,10-anthracenylene radical, and the other parameters are as defined in Claim 1 . The invention additionally includes liquid-crystalline media which comprise the title compounds, and components for high-frequency technology which comprise these media, in particular phase shifters and microwave array antennae.

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Номер записи: 5
25-10-2012 дата публикации

Process for producing trans-1233zd

Номер: US20120271069A1
Автор: Haiyou Wang, Hsueh Sung Tung
Принадлежит: Honeywell International Inc

Trans-1233zd, the trans-isomer of 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) can be used as blowing agents, solvents, cleaning agents, as well as monomers of macromolecule compounds, and can be prepared through the dehydrochlorination of 1,1,1-trifluoro-3,3-dichloropropane (HCFC-243fa) with the help of a catalyst. The present invention is directed to an integrated process is proposed to produce trans-1233zd from 243fa, which is consisted of the following four major unit operations: (1) Catalytic dehydrochlorination of 243fa into trans/cis-1233zd, (2) HCl recovery, (3) Catalytic isomerization of cis-1233zd into trans-1233zzd, and (4) Isolation of trans-1233zd.

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Номер записи: 6
20-12-2012 дата публикации

Purification of cis-1,1,1,4,4,4-hexafluoro-2-butene via extractive distillation

Номер: US20120323054A1
Автор: Jeffrey P. Knapp
Принадлежит: EI Du Pont de Nemours and Co

A process for separating cis-1,1,1,4,4,4-hexafluoro-2-butene from a first mixture comprising cis-1,1,1,4,4,4-hexafluoro-2-butene and at least one chlorofluoroolefin is disclosed. The process involves the steps of contacting said first mixture with at least one extractive agent, to form a second mixture, distilling said second mixture; and recovering cis-1,1,1,4,4,4-hexafluoro-2-butene substantially free of chlorofluoroolefin.

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Номер записи: 7
18-04-2013 дата публикации

FLUORO OLEFIN COMPOUNDS USEFUL AS ORGANIC RANKINE CYCLE WORKING FLUIDS

Номер: US20130091843A1
Автор: BROWN ANDREW, HULSE RYAN, ZYHOWSKI GARY J.
Принадлежит: HONEYWELL INTERNATIONAL INC.

Aspects of the present invention are directed to working fluids and their use in processes wherein the working fluids comprise compounds having the structure of formula (I): 2. The process of wherein the working fluid is selected from the group consisting of 1 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene(E) claim 1 , 1 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene(Z) and combinations thereof.3. The process of wherein the working fluid comprises a blend of 1 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene and 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene.4. The process of claim 3 , wherein 1 claim 3 ,3 claim 3 ,3 claim 3 ,3-tetrafluoropropene comprises 1 claim 3 ,3 claim 3 ,3 claim 3 ,3-tetrafluoropropene(E).5. The process of claim 3 , wherein 2 claim 3 ,3 claim 3 ,3 claim 3 ,3-tetrafluoropropene is provided in an amount from greater than about 0 wt % to about 40 wt. % and 1 claim 3 ,3 claim 3 ,3 claim 3 ,3-tetrafluoropropene is provided in an amount from less than 100 wt. % to about 60 wt. %.6. The process of claim 3 , wherein 2 claim 3 ,3 claim 3 ,3 claim 3 ,3-tetrafluoropropene is provided in an amount from greater than about 0 wt % to about 30 wt. % and 1 claim 3 ,3 claim 3 ,3 claim 3 ,3-tetrafluoropropene is provided in an amount from less than 100 wt. % to about 70 wt. %;7. The process of claim 3 , wherein 2 claim 3 ,3 claim 3 ,3 claim 3 ,3-tetrafluoropropene is provided in an amount from about 5 wt % to about 30 wt. % and 1 claim 3 ,3 claim 3 ,3 claim 3 ,3-tetrafluoropropene is provided in an amount from about 95 wt % to about 70 wt. %.8. The process of claim 3 , wherein 2 claim 3 ,3 claim 3 ,3 claim 3 ,3-tetrafluoropropene is provided in an amount from about 10 wt % to about 30 wt. %; and 1 claim 3 ,3 claim 3 ,3 claim 3 ,3-tetrafluoropropene is provided in an amount from about 90 wt % to about 70 wt. %.9. A process for converting thermal energy to mechanical energy comprising:heating a the working fluid to a temperature sufficient to ...

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Номер записи: 8
25-04-2013 дата публикации

Process

Номер: US20130102815A1
Автор: Andrew P. Sharratt, Claire Mcguiness, John W. Smith
Принадлежит: MEXICHEM AMANCO HOLDING SA DE CV

The invention provides a process for the preparation of 2,3,3,3-tetrafluoropropene (1234yf) comprising (a) contacting 1,1,1-trifluoro-2,3-difluoropropane (243db) with hydrogen fluoride (HF) in the presence of a zinc/chromia catalyst to produce a compound having the formula CF 3 CHFCH 2 X, wherein X is Cl or F, and (b) dehydrohalogenating the

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Номер записи: 9
23-05-2013 дата публикации

Azeotrope-like compositions of (z)-1-chloro-3,3,3-trifluoropropene and hydrogen fluoride

Номер: US20130131404A1
Автор: Hang T. Pham, Ryan Hulse
Принадлежит: Honeywell International Inc

Disclosed are azeotropic and azeotrope-like mixtures of (Z)-1-chloro-3,3,3-trifluoropropene (1233zd(Z)) and hydrogen fluoride. Such compositions are useful as an intermediate in the production of 1233zd(Z). The latter compound is useful as a nontoxic, zero ozone depleting fluorocarbon useful as a solvent, blowing agent, refrigerant, cleaning agent, aerosol propellant, heat transfer medium, dielectric, fire extinguishing composition and power cycle working fluid.

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Номер записи: 10
01-08-2013 дата публикации

METHOD FOR PRODUCING 2-CHLORO-3,3,3,-TRIFLUOROPROPENE (HCFC-1233xf)

Номер: US20130197282A1
Автор: Daniel C. Markel, Hsueh S. Tung
Принадлежит: Honeywell International Inc

The present invention relates to an improved method for manufacturing 2-chloro-3,3,3,-trifluoropropene (HCFC-1233xf) by reacting 1,1,2,3-tetrachloropropene, 1,1,1,2,3-pentachloropropane, and/or 2,3,3,3-tetrachloropropene with hydrogen fluoride, in a vapor phase reaction vessel in the presence of a vapor phase fluorination catalyst and stabilizer. HCFC-1233xf is an intermediate in the production of 2,3,3,3-tetrafluoropropene (HFO-1234yf) which is a refrigerant with low global warming potential.

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Номер записи: 11
15-08-2013 дата публикации

BLOWING AGENTS, FOAM PREMIXES AND FOAMS CONTAINING HALOGENATED OLEFIN BLOWING AGENT AND ADSORBENT

Номер: US20130210946A1
Автор: Bogdan Mary C., LING Yiu Keung, Williams David J.
Принадлежит: HONEYWELL INTERNATIONAL INC.

The invention provides polyurethane and polyisocyanurate foams and methods for the preparation thereof. More particularly, the invention relates to closed-celled, polyurethane and polyisocyanurate foams and methods for their preparation. Preferably, the foams are produced with a polyol premix composition which comprises a combination of a hydrohaloolefin blowing agent, a polyol, a catalyst and an adsorbent material. 1. A polyol premix composition comprising at least one blowing agent , a polyol , at least one surfactant , a catalyst , and an adsorbing agent , wherein the blowing agent comprises a hydrohaloolefin , and optionally a hydrocarbon , fluorocarbon , chlorocarbon , fluorochlorocarbon , halogenated hydrocarbon , COor other gas generating material , or combinations thereof.2. The polyol premix composition of wherein the adsorbing agent is a halogen ion scavenger selected from the group consisting of a silica gel claim 1 , fumed silica claim 1 , activated charcoal claim 1 , calcium sulfate claim 1 , calcium chloride claim 1 , montmorillonite clay claim 1 , a molecular sieve claim 1 , and combinations thereof.3. The polyol premix composition of wherein the halogen ion scavenger comprises a molecular sieve having a pore diameter between about 3 Å to about 8 Å.4. The polyol premix composition of claim 1 , wherein the absorbing materials is provided in an amount between about 0.1 wt. % and about 20 wt. %.5. The polyol premix composition of wherein the catalyst comprises an amine catalyst having the formula RRN-[A-NR]Rwherein each of R claim 1 , R claim 1 , R claim 1 , and Ris independently H claim 1 , a Cto Calkyl group claim 1 , a Cto Calkenyl group claim 1 , a Cto Calcohol group claim 1 , or a Cto Cether group claim 1 , or Rand Rtogether form a Cto Ccyclic alkyl group claim 1 , a Cto Ccyclic alkenyl group claim 1 , a Cto Cheterocyclic alkyl group claim 1 , or a Cto Cheterocyclic alkenyl group; A is a Cto Calkyl group claim 1 , a Cto Calkenyl group claim 1 , or ...

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Номер записи: 12
22-08-2013 дата публикации

Compositions containing fluorine substituted olefins and methods and systems using same

Номер: US20130217784A1
Автор: Hang T. Pham, Ian Shankland, Rajiv R. Singh
Принадлежит: Honeywell International Inc

Disclosed are the use of fluorine substituted olefins, including tetra- and penta-fluoropropenes, in a variety of applications, including in methods of depositing catalyst on a solid support, methods of sterilizing articles, cleaning methods and compositions, methods of applying medicaments, fire extinguishing/suppression compositions and methods, flavor formulations, fragrance formulations and inflating agents.

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Номер записи: 13
12-09-2013 дата публикации

METHOD OF FORMING THIN FILM

Номер: US20130237677A1
Автор: Araki Takayuki, Kodani Tetsuhiro
Принадлежит: DAIKIN INDUSTRIES, LTD.

A vinylidene fluoride homopolymer represented by the formula (4): 124.-. (canceled)25. A vinylidene fluoride homopolymer represented by the formula (4):{'br': None, 'sub': '3', 'sup': '1', 'CF-(A)—I\u2003\u2003(4)'}{'sup': '1', 'wherein Arepresents a structural unit of vinylidene fluoride homopolymer which comprises crystal form I alone or as main component and has a number average degree of polymerization of 5 to 12.'}26. (canceled)27. (canceled)28. The vinylidene fluoride homopolymer of claim 25 , wherein the vinylidene fluoride homopolymer comprises crystal form I alone or as main component and when attention is given to proportions of the respective vinylidene fluoride homopolymers having crystal form I claim 25 , II or III which are calculated by IR analysis claim 25 , the proportion of vinylidene fluoride homopolymers having crystal form I satisfies both of (Equation 1):{'br': None, 'i': I', 'I', 'II, '100≧-form/(-form+-form)≧50% by weight\u2003\u2003(Equation 1)'}{'br': None, 'and (Equation 2){'br': None, 'i': I', 'I', 'III, '100≧-form/(-form+-form)≧50% by weight\u2003\u2003(Equation 2).'}29. (canceled)30. The vinylidene fluoride homopolymer of claim 28 , wherein the proportion of vinylidene fluoride homopolymers having crystal form I satisfies both of (Equation 3):{'br': None, 'i': I', 'I', 'II, '100≧-form/(-form+-form)≧70% by weight\u2003\u2003(Equation 3)'}{'br': None, 'and (Equation 4){'br': None, 'i': I', 'I', 'III, '100≧-form/(-form+-form)≧70% by weight\u2003\u2003(Equation 4).'}31. (canceled) This application is a Divisional of U.S. application Ser. No. 12/641,183 filed Dec. 17, 2009, which is a Divisional of U.S. application Ser. No. 11/231,992 filed Sep. 22, 2005, which is a continuation-in-part of PCT international application No. PCT/JP2004/004028 filed on Mar. 24, 2004 and which claims benefit of Japanese Patent Application No. JP 2003-86179 filed Mar. 26, 2003 and Japanese Patent Application No. JP 2003-422989 filed Dec. 19, 2003. The above-noted ...

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Номер записи: 14
07-01-2021 дата публикации

Process for the production of 2,3,3,3-tetrafluoropropene

Номер: US20210002188A1
Автор: Deur-Bert Dominique, Pigamo Anne, Wendlinger Laurent
Принадлежит: Arkema France

A process for the production of 2,3,3,3-tetrafluoropropene including the stages: i) in a first reactor, bringing a stream A including 2-chloro-3,3,3-trifluoropropene into contact with hydrofluoric acid in the gas phase in the presence of a catalyst in order to produce a stream B including 2,3,3,3-tetrafluoropropene, HCl, HF and unreacted 2-chloro-3,3,3-trifluoropropene; and ii) in a second reactor, bringing hydrofluoric acid into contact, in the gas phase in the presence or not of a catalyst, with a stream including at least one chlorinated compound selected from the group of 1,1,1,2,3-pentachloropropane, 2,3-dichloro-1,1,1-trifluoropropane, 2,3,3,3-tetrachloropropene and 1,1,2,3-tetrachloropropene, in order to produce a stream C including 2-chloro-3,3,3-trifluoropropene, wherein the stream B obtained in stage i) feeds the second reactor used for stage ii); and wherein the electrical conductivity of the stream A provided in stage i) is less than 15 mS/cm. 1. A process for the production of 2 ,3 ,3 ,3-tetrafluoropropene comprising the stages:i) in a first reactor, bringing a stream A comprising 2-chloro-3,3,3-trifluoropropene into contact with hydrofluoric acid in the gas phase in the presence of a catalyst in order to produce a stream B comprising 2,3,3,3-tetrafluoropropene, HCl, HF and unreacted 2-chloro-3,3,3-trifluoropropene; andii) in a second reactor, bringing hydrofluoric acid into contact, in the gas phase in the presence or not of a catalyst, with at least one chlorinated compound selected from the group consisting of 1,1,1,2,3-pentachloropropane, 2,3-dichloro-1,1,1-trifluoropropane, 2,3,3,3-tetrachloropropene and 1,1,2,3-tetrachloropropene, in order to produce a stream C comprising 2-chloro-3,3,3-trifluoropropene,wherein the stream B obtained in stage i) feeds said second reactor used for stage ii); and wherein the electrical conductivity of said stream A provided in stage i) is less than 15 mS/cm.2. The process as claimed in claim 1 , wherein stage i) is ...

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Номер записи: 15
07-01-2021 дата публикации

CONVERSION OF CHLOROFLUOROROPANES AND CHLOROFLUROPROPENES TO MORE DESIRABLE FLUOROPROPANES AND FLUOROROPENES

Номер: US20210002190A1
Автор: Sun Xuehui
Принадлежит: THE CHEMOURS COMPANY FC, LLC

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 ...

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Номер записи: 16
05-01-2017 дата публикации

METHODS FOR REMOVING HALOGENATED ETHYLENE IMPURITIES IN 2, 3, 3, 3-TETRAFLUOROPROPENE PRODUCT

Номер: US20170001931A1
Автор: Tung Hsueh Sung, WANG HAIYOU
Принадлежит: HONEYWELL INTERNATIONAL INC.

Disclosed is a composition comprised of at least one compound selected from 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoro-1-propene and 1-chloro-3,3,3-trifluoropropene and halogenated impurity selected from the group consisting of HFO-1141 (CH═CHF), HCFO-1140 (CH═CHCl), and HCFO-1131 (CH═CFCl and/or trans/cis-CHF═CHCl) and combination thereof, said halogenated impurity being present in said composition in an amount of 50 ppm or less. 1. A composition comprised of at least one compound selected from 2 ,3 ,3 ,3-tetrafluoropropene , 1 ,3 ,3 ,3-tetrafluoro-1-propene and 1-chloro-3 ,3 ,3-trifluoropropene and halogenated impurity selected from the group consisting of HFO-1141 (CH═CHF) , HCFO-1140 (CH═CHCl) , and HCFO-1131 (CH═CFCl and/or trans/cis-CHF═CHCl) and combination thereof , said halogenated impurity being present in said composition in an amount of 50 ppm or less.2. The composition according to wherein said halogenated impurity is present in said composition in an amount of 20 ppm or less.3. The composition according to wherein said halogenated impurity is present in said composition in an amount of 10 ppm or less.4. The composition according to wherein a second impurity selected from CFCCH claim 1 , HFO-1243zf (CFCH═CH) claim 1 , HFO-1234ze (E/Z-CFCH═CHF) claim 1 , HCFO-1233zd (E/Z-CFCH═CHCl) claim 1 , HCFO-1233xf (CFCCl═CH) and combination thereof is additionally present.5. The composition according to wherein a second impurity selected from CFCCH claim 2 , HFO-1243zf (CFCH═CH) claim 2 , HFO-1234ze (E/Z-CFCH═CHF) claim 2 , HCFO-1233zd (E/Z-CFCH═CHCl) claim 2 , HCFO-1233xf (CFCCl═CH) and combination thereof is additionally present.6. The composition according to wherein a second impurity selected from CFCCH claim 3 , HFO-1243zf (CFCH═CH) claim 3 , HFO-1234ze (E/Z-CFCH═CHF) claim 3 , HCFO-1233zd (E/Z-CFCH═CHCl) claim 3 , HCFO-1233xf (CFCCl═CH) and combination thereof is additionally present.7. The composition according to wherein the second impurity is HFO- ...

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Номер записи: 17
02-01-2020 дата публикации

METHOD FOR STORING TETRAFLUOROPROPENE AND CONTAINER FOR STORING TETRAFLUOROPROPENE

Номер: US20200002254A1
Автор: FUKUSHIMA Masato, Shigematsu Maki, Tsuzaki Masaaki
Принадлежит: AGC Inc.

To provide a method for stably storing tetrafluoropropene filled in a container for e.g. storage or transportation, without occurrence of reaction such as polymerization. 1. A method for storing tetrafluoropropene in a gaseous-liquid state composed of a gas phase and a liquid phase in a closed container , wherein the oxygen concentration in the above gas phase is adjusted to at least 3 vol ppm and less than 3 ,000 vol ppm at a temperature of 25° C.2. The method for storing tetrafluoropropene according to claim 1 , wherein the oxygen concentration in the above gas phase is adjusted to at least 5 vol ppm and less than 1 claim 1 ,000 vol ppm at a temperature of 25° C.3. The method for storing tetrafluoropropene according to claim 1 , wherein the above tetrafluoropropene is 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene.4. A container for storing tetrafluoropropene claim 1 , which is filled with tetrafluoropropene in a gaseous-liquid state composed of a gas phase and a liquid phase claim 1 , and closed claim 1 , wherein the oxygen concentration in the above gas phase is at least 3 vol ppm and less than 3 claim 1 ,000 vol ppm at a temperature of 25° C.5. The container for storing tetrafluoropropene according to claim 4 , wherein the oxygen concentration in the above gas phase is at least 5 vol ppm and less than 1 claim 4 ,000 vol ppm at a temperature of 25° C.6. The container for storing tetrafluoropropene according to claim 4 , wherein the above tetrafluoropropene is 2 claim 4 ,3 claim 4 ,3 claim 4 ,3-tetrafluoropropene. The present invention relates to a method for storing tetrafluoropropene and a container for storing the same, particularly to a method for stably storing tetrafluoropropene for e.g. storage or transportation and a container for stably storing tetrafluoropropene.In recent years, 2,3,3,3-tetrafluoropropene (which is represented by CFCF═CH, hereinafter referred to also as HFO-1234yf) as one of isomers of tetrafluoropropene, has attracted attention ...

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Номер записи: 18
03-01-2019 дата публикации

MANUFACTURING METHOD OF PURIFIED 1-CHLORO-2,3,3,3-TETRAFLUOROPROPENE AND PURIFIED 1-CHLORO-2,3,3,3-TETRAFLUOROPROPENE (Z)

Номер: US20190002375A1
Автор: HAYASE Takashi, NOMURA Jumpei, SAKAI Takayuki, TANIGUCHI Tomoaki
Принадлежит: AGC Inc.

There is provided a method of efficiently manufacturing purified 1224containing 1224at a high concentration from a mixture containing 1224and a compound that forms an azeotropic composition or an azeotropic-like composition with 1224A manufacturing method of purified 1224includes making a first mixture of 1224and a compound (X1) forming an azeotropic composition or an azeotropic-like composition with 1224to be brought into contact with a first extraction solvent to obtain purified 1224not substantially containing the compound (X1). 1. A manufacturing method of purified 1-chloro-2 ,3 ,3 ,3-tetrafluoropropene , comprising making a first mixture of 1-chloro-2 ,3 ,3 ,3-tetrafluoropropene and a compound (X1) forming an azeotropic composition or an azeotropic-like composition with 1-chloro-2 ,3 ,3 ,3-tetrafluoropropene to be brought into contact with a first extraction solvent to obtain purified 1-chloro-2 ,3 ,3 ,3-tetrafluoropropene not substantially containing the compound (X1).2. A manufacturing method of purified 1-chloro-2 ,3 ,3 ,3-tetrafluoropropene (Z) , comprising making a second mixture of 1-chloro-2 ,3 ,3 ,3-tetrafluoropropene (Z) and a compound (X2) forming an azeotropic composition or an azeotropic-like composition with 1-chloro-2 ,3 ,3 ,3-tetrafluoropropene (Z) to be brought into contact with a second extraction solvent to obtain purified 1-chloro-2 ,3 ,3 ,3-tetrafluoropropene (Z) not substantially containing the compound (X2).3. The manufacturing method according to claim 1 , whereinthe compound (X1) is a compound which exhibits a relative volatility between 1-chloro-2,3,3,3-tetrafluoropropene and the compound (X1) in the first mixture of 0.9 to 1.1.4. The manufacturing method according to claim 2 , whereinthe compound (X2) is a compound which exhibits a relative volatility between 1-chloro-2,3,3,3-tetrafluoropropene (Z) and the compound (X2) in the second mixture of 0.9 to 1.1.5. The manufacturing method according to claim 1 , whereinthe first extraction ...

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Номер записи: 19
03-01-2019 дата публикации

Novel Fire Retardant Compounds

Номер: US20190002377A1
Автор: Badaeva Ekaterina A., Gregersen Kimberly-Alice D., Moreland James Craig, Zweig Andrew M.
Принадлежит:

Compounds with fire extinguishing properties having the formula: 2. The fire extinguishing unit of wherein two or more substituents selected from R claim 1 , Rand Rare halogen.3. The fire extinguishing unit of wherein R claim 1 , Rand Rare each halogen.4. The fire extinguishing unit of wherein R claim 1 , Rand Rare each independently selected from hydrogen claim 1 , Br claim 1 , Cl and I.5. The fire extinguishing unit of wherein Ris —CRRR.6. The fire extinguishing unit of wherein R claim 5 , R claim 5 , and Rare each halogen.7. The fire extinguishing unit of wherein R claim 5 , R claim 5 , and Rare each F.8. The fire extinguishing unit of wherein the fire extinguishing compound is selected from 2-bromo-1 claim 5 ,1 claim 5 ,3 claim 5 ,3 claim 5 ,3-pentafluoropropene; 2-iodo-1 claim 5 ,1 claim 5 ,3 claim 5 ,3 claim 5 ,3-pentafluoropropene; 2-iodo-3 claim 5 ,3 claim 5 ,3-trifluoropropene and combinations thereof.9. The fire extinguishing unit of wherein Ris —CRRCRRR.10. The fire extinguishing unit of wherein R claim 9 , R claim 9 , and Rare each halogen.11. The fire extinguishing unit of wherein R claim 10 , R claim 10 , and Rare each F.12. The fire extinguishing unit of wherein Rand Rare each halogen.13. The fire extinguishing unit of wherein Rand Rare each F.14. The fire extinguishing unit of wherein the fire extinguishing compound is selected from 2-iodo perfluoro-1-butene; 2 claim 9 ,3-dibromo-4 claim 9 ,4 claim 9 ,4-trifluoro-1-butene; 2-iodoperfluoro-1-butene; 2-bromoperfluoro-1-butene; 3-iodo-3 claim 9 ,4 claim 9 ,4 claim 9 ,4-tetrafluoro-1-butene; 1-iodo-4 claim 9 ,4 claim 9 ,4-trifluoro-1-butene; 1-bromo-4 claim 9 ,4 claim 9 ,4-trifluoro-1-butene; 2-chloro-3 claim 9 ,3 claim 9 ,4 claim 9 ,4 claim 9 ,4-pentafluoro-1-butene; isomers thereof and combinations thereof.16. A method according to wherein two or more substituents are selected from R claim 15 , Rand Rare halogen.17. A method according to wherein R claim 15 , Rand Rare each halogen.18. A method ...

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Номер записи: 20
02-01-2020 дата публикации

HEAT TRANSFER FLUIDS AND METHODS OF USING SAME

Номер: US20200002589A1
Автор: Lamanna William M.
Принадлежит:

An apparatus for heat transfer includes a device and a mechanism for transferring heat to or from the device. The mechanism for transferring heat includes a working fluid that includes a hexafluoropropylene trimer having Structural Formula (1) The hexafluoropropylene trimer having Structural Formula (1) is present in the working fluid in an amount of at least 85% by weight, based on the total weight of hexafluoropropylene trimer in the working fluid. 2. The apparatus for heat transfer of claim 1 , wherein the hexafluoropropylene trimer having Structural Formula (1) is present in the working fluid in an amount of at least 25% by weight claim 1 , based on the total weight of the working fluid.3. The apparatus for heat transfer according to claim 1 , wherein the device is selected from a microprocessor claim 1 , a semiconductor wafer used to manufacture a semiconductor device claim 1 , a power control semiconductor claim 1 , an electrochemical cell claim 1 , an electrical distribution switch gear claim 1 , a power transformer claim 1 , a circuit board claim 1 , a multi-chip module claim 1 , a packaged or unpackaged semiconductor device claim 1 , a fuel cell claim 1 , and a laser.4. The apparatus for heat transfer according to claim 1 , wherein the mechanism for transferring heat is a component in a system for maintaining a temperature or temperature range of a device. The present disclosure relates to heat transfer fluids and methods of making and using the same.Various compositions comprising trimers of HFP and their use as inert or isolating liquids, solvents, and cooling agents are described in, for example, U.S. Pat. No. 3,917,724, U.S. Pat. No. 2,918,501, I. L. Knunyants, et. al., J. Fluorine Chemistry, 10, 323-327 (1977), R. N. Haszeldine, et. al., J. Fluorine Chemistry, 9, 94-96 (1977), and T. Martini, et. al., Tetrahedron Letters (24), 2129-2132 (1974).In some embodiments, an apparatus for heat transfer is provided. The apparatus includes a device and a ...

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Номер записи: 21
12-01-2017 дата публикации

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

Номер: US20170009117A1
Автор: Barry Asher Mahler, Mario Joseph Nappa
Принадлежит: Chemours Co FC LLC

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, HCO-1130, HCO-1130a, HFO-1336, HCFC-133a, HCFC-254fb, HCFC-1131, 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.

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Номер записи: 22
08-01-2015 дата публикации

Method for Purifying (E)-1-Chloro-3,3,3-Trifluoropropene

Номер: US20150011803A1
Автор: IMURA Hideaki, OKAMOTO Masamune, Takada Naoto
Принадлежит: CENTRAL GLASS COMPANY, LIMITED

Provided is a purification method for efficiently reducing an undesirable organic compound or compound in (E)-1-chloro-3,3,3-trifluoropropene and thereby obtaining (E)-1-chloro-3,3,3-trifluoropropene with high purity. The purification method of OF-1233E according to the present invention is characterized by bringing a composition containing OF-1233E and at least one organic compound selected from the group consisting of HCFC-142 isomers, HCFC-244fa, HFC-245fa, OF-1234E, OF-1234Z and OF-1233Z into contact with a solid adsorbent. 1. A method for purifying OF-1233E , comprising bringing a composition containing OF-1233E and at least one organic compound selected from the group consisting of HCFC-142 isomers , HCFC-244fa , HFC-245fa , OF-1234E , OF-1234Z and OF-1233Z into contact with a solid adsorbent.2. The method according to claim 1 , wherein the composition containing OF-1233E and HFC-245fa is brought into contact with the solid adsorbent.3. The method according to claim 1 , wherein the solid adsorbent is a zeolite.4. The method according to claim 3 , wherein the zeolite is an X-type zeolite.5. A solid-liquid heterogeneous mixture for use in the method according to claim 1 , comprising:a composition containing OF-1233E and at least one organic compound selected from the group consisting of HCFC-142 isomers, HCFC-244fa, HFC-245fa, OF-1234E, OF-1234Z and OF-1233Z; anda solid adsorbent. The present invention relates to a method for purifying (E)-1-chloro-3,3,3-trifluoropropene (trans-1-chloro-3,3,3-trifluoropropene; also referred to as “OF-1233E” or “1233E”).It is known that 1233E is a fluoroolefin useful for working fluids, blowing agents, solvents, pharmaceutical and agrichemical intermediate products etc. For production of 1233E, there are disclosed a process for forming 1-chloro-3,3,3-trifluoropropene by reaction of 1,1,1,3,3-pentachloropropane (HCC-240fa) with hydrogen fluoride in a gas phase (Patent Document 1) and a process for forming 1,1,1-trifluoro-3-chloro- ...

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Номер записи: 23
09-01-2020 дата публикации

METHOD FOR PRODUCING 1,3-DICHLORO-3,3-DIFLUOROPROPENE

Номер: US20200010388A1
Автор: MATSUNAGA Kei, NISHIGUCHI Yoshio, OKAMOTO Masamune, OKAMOTO Satoru, SUMIDA Kohei
Принадлежит:

A manufacturing method of 1-chloro-3,3,3-trifluoropropene (1233zd) is provided. This manufacturing method includes a reaction in which a halogenated hydrocarbon compound having a carbon number of 3 and represented by a general formula (1) is heated: 1. A method for manufacturing 1 ,3-dichloro-3 ,3-difluoropropene , the method comprising a reaction in which a halogenated hydrocarbon compound having a carbon number of 3 and represented by a general formula (1) is heated:{'br': None, 'sub': a', '3-a', '2', 'b', '2-b, 'CFCl—CH—CHFCl\u2003\u2003(1)'}wherein, in the formula, a is an integer from 0 to 2, b is 1 or 2 when a=0, b is 0 or 1 when a=1, and b is 0 when a=2.2. The method according to claim 1 , wherein the reaction is carried out in a gas phase.3. The method according to claim 1 , wherein the reaction is carried out in the presence or in the absence of a metal catalyst.4. The method according to claim 3 , wherein the metal catalyst includes at least one kind of metal selected from aluminum claim 3 , vanadium claim 3 , chromium claim 3 , titanium claim 3 , magnesium claim 3 , manganese claim 3 , iron claim 3 , cobalt claim 3 , nickel claim 3 , copper claim 3 , zirconium claim 3 , niobium claim 3 , molybdenum claim 3 , ruthenium claim 3 , rhodium claim 3 , palladium claim 3 , silver claim 3 , tin claim 3 , antimony claim 3 , zinc claim 3 , lanthanum claim 3 , tantalum claim 3 , and tungsten.5. The method according to claim 4 , wherein the metal catalyst is an oxide of the metal claim 4 , an oxyhalide of the metal claim 4 , or a halide of the metal.6. The method according to claim 4 ,wherein the metal catalyst is a supported catalyst or a non-supported catalyst, anda support of the supported catalyst is carbon, an oxide of the metal, an oxyhalide of the metal, or a halide of the metal.7. The method according to claim 3 , wherein the metal catalyst includes at least a fluorine atom.8. The method according to claim 1 , wherein the reaction is carried out in the ...

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Номер записи: 24
09-01-2020 дата публикации

METHOD FOR PRODUCING PERFLUOROALKADIENE COMPOUNDS

Номер: US20200010389A1
Автор: ETOU Yuusuke, MARUO Atsushi, NAKAI Katsuya, Takahashi Kazuhiro
Принадлежит: DAIKIN INDUSTRIES, LTD.

According to a method for producing a perfluoroalkadiene compound represented by general formula (1): CF═CF—(CF)—CF═CF(1), wherein n is an integer of 4 or more, the method comprising a reaction step of adding a nitrogen-containing compound to a solution of a compound represented by general formula (2): XCF—CFX—(CF)—CFX(2), wherein n is the same as above, Xis the same or different and is a halogen atom other than fluorine, and Xis a halogen atom, the perfluoroalkadiene compound can be obtained at a high yield. 1. A method for producing a perfluoroalkadiene compound represented by general formula (1):{'br': None, 'sub': 2', '2', 'n-4', '2, 'CF═CF—(CF)—CF═CF\u2003\u2003(1)'} {'br': None, 'sup': 1', '2', '1, 'sub': 2', '2', 'n-4', '2', '2, 'XCF—CFX—(CF)—CF—CFX\u2003\u2003(2)'}, 'the method comprising a reaction step of adding a nitrogen-containing compound to a solution of a compound represented by general formula (2), 'herein n is an integer of 4 or more,'}{'sup': 1', '2, 'wherein n is the same as above, Xis the same or different and is a halogen atom other than fluorine, and Xis a halogen atom.'}2. The production method according to claim 1 , wherein the addition rate of the nitrogen-containing compound is 0.001 to 60 mol/h per mol of the compound represented by general formula (2).3. The production method according to claim 1 , wherein the nitrogen-containing compound is N claim 1 ,N-dimethylformamide.4. The production method according to claim 1 , wherein the solution is a solution of an organic solvent.5. The production method according to claim 4 , wherein the boiling point of the organic solvent is lower than the boiling point of the nitrogen-containing compound.6. The production method according to claim 1 , wherein in the reaction step claim 1 , the solution of the compound represented by general formula (2) further comprises zinc or a zinc alloy.7. The production method according to claim 1 , wherein the nitrogen-containing compound is added after the solution ...

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Номер записи: 25
09-01-2020 дата публикации

AN IMPROVED PROCESS FOR THE PREPARATION OF 2,3,3,3-TETRAFLUOROPROPENE

Номер: US20200010390A1
Автор: Anand Rajdeep, GEORGE Jose, Katiyar Anurag, Mishra Ambuj, RAJ Sunil
Принадлежит: SRF Limited

The present invention provides an improved process for preparation of 2,3,3,3- tetrafluoropropene, wherein recyclization of the reaction by-products result in equilibrium between feed and outlet composition. 1. A process for preparation of 2 ,3 ,3 ,3-tetrafluoropropene comprising:a) providing heat source in a reactor;b) providing preheated methyl chloride, tetrafluoroethylene and an initiator, either pre-mixed or added separately, in the reactor to obtain a first reaction mixture;c) heating the first reaction mixture using heat source to obtain 2,3,3,3-tetrafluoropropene and second reaction mixture components;d) recycling the second reaction mixture components into the reactor to attain an equilibrium; ande) isolating 2,3,3,3-tetrafluoropropene.2. A process for preparation of 2 ,3 ,3 ,3-tetrafluoropropene comprising:providing a heat source in a reactor;providing a mixture of methylchloride and tetrafluoroethylene, said mixture is either premixed or added separately, in the reactor to obtain a mixture;contacting the mixture with heat source in the presence of an initiator to obtain a reaction mixture comprising 2,3,3,3-tetrafluoropropene; andisolating 2,3,3,3-tetrafluoropropene.34.-. (canceled)5. A process for the preparation of 2 ,3 ,3 ,3-tetrafluoropropene comprising:a) providing a heat source in a reactor;b) providing methylchloride and tetrafluoroethylene, pre-mixed or added separately, in the reactor to obtain a mixture;c) contacting step b) mixture with heat source to obtain a reaction mixture comprises 2,3,3,3-tetrafluoropropene; andd) isolating 2,3,3,3-tetrafluoropropene from step c).6. The process of claim 1 , wherein the reactor is a continuous or batch reactor.7. The process of claim 1 , wherein the heat source provided in the reactor is electric furnace.8. The process of claim 1 , wherein the reactor is heated to a temperature in range of 250° C. to 700° C. or the reaction mixture is heated to a temperature in the range of 250° C. to 700° C. in the ...

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Номер записи: 26
09-01-2020 дата публикации

Processes and systems for recovering r1233zd in purified form

Номер: US20200010392A1
Автор: Jay F. Miller, John A. Wismer (Deceased)
Принадлежит: Arkema Inc

Aspects of the invention relate to systems and processes for recovering R1233zd in purified form from compositions additionally comprising hydrogen fluoride. In accordance with one aspect, the invention provides a process that includes separating a feed stream comprised of hydrogen fluoride and R1233zd using azeotropic distillation in a first distillation column to produce a first distillate stream comprised of hydrogen fluoride and R1233zd and a first bottoms stream consisting essentially of hydrogen fluoride. The first distillation column is operated at a first pressure. The process further includes separating the first distillate stream using azeotropic distillation in a second distillation column to produce a second distillate stream comprised of hydrogen fluoride and R1233zd and a second bottoms stream consisting essentially of R1233zd. The second distillation column is operated at a second pressure that may be different than the first pressure of the first distillation column.

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Номер записи: 27
09-01-2020 дата публикации

REFRIGERANT CIRCULATION DEVICE AND REFRIGERANT CIRCULATION METHOD

Номер: US20200011578A1
Автор: Kobayashi Naoki, SUEMITSU Ryosuke, Ueda Kenji, WAJIMA Kazuki
Принадлежит: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.

The objective of the present invention is to provide a refrigerant circulation device and a refrigerant circulation method with which a change in pressure inside the device can be avoided and performance stability and stable operation are achieved even when a HFO or a HCFO refrigerant is used. In the refrigerant circulation device (), a refrigerant circulation circuit for circulating a refrigerant is formed by connecting a compressor (), a condenser (), an expansion valve (), and an evaporator () through primary pipes (), and the refrigerant circulation circuit is charged with a refrigerant containing hydrofluoroolefin or hydrochlorofluoroolefin having a carbon-carbon double bond in the molecular structure. The refrigerant circulation device () is provided with a recovery catalyst that is arranged so as to be capable of contacting the refrigerant in the refrigerant circulation circuit, and is for returning, to the pre-isomerization state, an isomer formed by isomerization of the hydrofluoroolefin or hydrochlorofluoroolefin contained in the initial refrigerant with which the refrigerant circulation circuit is initially charged. 1. A refrigerant circulation device in which a refrigerant circulation circuit for circulating a refrigerant is formed by connecting a compressor , a condenser , an expansion valve , and an evaporator through primary pipes , and the refrigerant circulation circuit is charged with a refrigerant containing hydrofluoroolefin or hydrochlorofluoroolefin having a carbon-carbon double bond in a molecular structure , the refrigerant circulation device comprising:a recovery catalyst that is arranged so as to be capable of contacting the refrigerant in the refrigerant circulation circuit and returns, to a pre-isomerization state, an isomer formed by isomerization of hydrofluoroolefin or hydrochlorofluoroolefin contained in the initial refrigerant with which the refrigerant circulation circuit is initially charged.2. The refrigerant circulation device ...

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Номер записи: 28
03-02-2022 дата публикации

COPOLYMERS OF PERFLUOROCYCLOALIPHATIC METHYL VINYL ETHER

Номер: US20220033673A1
Автор: Fukushi Tatsuo, Guerra Miguel A., Ryland Bradford L.
Принадлежит:

Described herein is a perfluoropolymer and compositions therefrom. The perfluoropolymer is derived from: (a) no more than 88 mol % tetrafluoroethylene monomer; and (b) a complementary amount of a perfluoro (cycloaliphatic methyl vinyl ether) monomer, and has substantially no melting point. 1. A perfluoropolymer , wherein the perfluoropolymer is derived from at least:(a) no more than 88 mol % tetrafluoroethylene monomer; and{'sub': 2', '3', '2', 'n', '2, 'claim-text': wherein Rf is a perfluorinated group comprising 6 carbon atoms and 11 fluorine atoms and a cycloaliphatic group, and n is 0, 1, or 2; and', 'wherein the perfluoropolymer has substantially no melting point., '(b) a complementary amount of a monomer according to Formula I Rf—CF—[OCF(CF)CF]O—CF═CF'}2. The perfluoropolymer according to claim 1 , wherein the monomer of Formula I comprises perfluoro(cyclohexyl methyl vinyl ether).3. The perfluoropolymer according to claim 1 , wherein the monomer of Formula I comprises at least one of perfluoro(cyclohexyl methyl vinyl ether) claim 1 , perfluoro(2-methyl cyclopentyl methyl vinyl ether) claim 1 , perfluoro(3-methyl cyclopentyl methyl vinyl ether) claim 1 , perfluoro(2-dimethyl cyclobutyl methyl vinyl ether) claim 1 , and perfluoro(3-dimethyl cyclobutyl methyl vinyl ether).4. The perfluoropolymer according to claim 1 , wherein the perfluoropolymer is further derived from at least one of hexafluoropropylene claim 1 , chlorotrifluoroethylene claim 1 , a perfluoroalkyl vinyl ether claim 1 , a perfluoroalkyl allyl ether claim 1 , and combinations thereof.5. The perfluoropolymer according to claim 4 , wherein the perfluoropolymer is further derived from at least 10 mol % of a perfluoroalkyl vinyl ether claim 4 , a perfluoroalkyl allyl ether claim 4 , or combinations thereof.6. The perfluoropolymer according to claim 1 , wherein the perfluoropolymer is derived from at least 15 mol % of the perfluoro(cycloaliphatic methyl vinyl ether) monomer.7. The perfluoropolymer ...

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Номер записи: 29
15-01-2015 дата публикации

STABLE COMPOSITIONS OF TRIFLUOROETHYLENE

Номер: US20150017064A1
Автор: ANTENUCCI Emanuela
Принадлежит:

A trifluoroethylene composition which is safe to handle and which can be safely stored and transported at pressures of up to 5.00 MPa. The composition comprises trifluoroethylene and HCl in a molar ratio trifluoroethylene:HCl from 10:90 to 63:37. When the composition is a compressed gas it has a pressure of from 0.50 to 5.00 MPa. 1. A liquid or compressed gas composition comprising trifluoroethylene and hydrogen chloride (HCl) in a molar ratio of trifluoroethylene:HCl from 10:90 to 63:37 , wherein when the composition is a compressed gas the pressure is from 0.50 to 5.00 MPa.2. The composition according to claim 1 , wherein the composition is a liquid composition.3. The composition according to claim 2 , wherein the molar ratio of trifluoroethylene:HCl is no more than 50:50.4. The composition according to claim 2 , wherein the composition comprises at least 20% by weight of the combined weight of trifluoroethylene and HCl.5. The composition according to claim 1 , wherein the composition is a compressed composition.6. The composition according to claim 5 , wherein the molar ratio of trifluoroethylene:HCl is from 40:60 to 60:40.7. The composition according to claim 5 , wherein the composition comprises at least 50% by weight of the combined weight of trifluoroethylene and HCl.8. The composition according to claim 5 , wherein the composition has a pressure of from 0.50 to 2.00 MPa claim 5 , wherein the composition comprises at least 95% by weight of the combined weight of trifluoroethylene and HCl claim 5 , and wherein the molar ratio of trifluoroethylene:HCl is from 50:50 to 60:40.9. The composition according to claim 5 , wherein the composition has a pressure of from 0.50 to 5.00 MPa claim 5 , wherein the composition comprises at least 95% by weight of the combined weight of trifluoroethylene and HCl claim 5 , and wherein the molar ratio of trifluoroethylene:HCl is from 40:60 to 50:50.10. A process for the preparation of the composition of claim 1 , the process ...

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Номер записи: 30
18-01-2018 дата публикации

AEROSOL COMPOSITIONS CONTAINING FLUORINE SUBSTITUTED OLEFINS AND METHODS AND SYSTEMS USING SAME

Номер: US20180016212A1
Автор: Knopeck Gary, Pham Hang T., SINGH Rajiv R.
Принадлежит:

Various compositions, including particularly aerosol compositions, containing fluorinated olefins, including particularly tetra- and penta-fluoropropenes, in a variety of applications are disclosed. 1. An aerosol comprising at least one fluoroalkene of Formula I:{'br': None, 'sub': z', '3-z, 'XCFR\u2003\u2003(I)'}{'sub': 1', '2', '3', '4', '5, 'where X is a C, C, C, C, or Cunsaturated, substituted or unsubstituted radical, each R is independently Cl, F, Br, I or H, and z is 1 to 3.'}2. The aerosol of wherein X is a substituted Cradical.3. The aerosol of having a Global Warming Potential (GWP) of not greater than about 1000.5. The aerosol of wherein Y is CF.6. The aerosol of wherein at least one R on the unsaturated terminal carbon is H.7. The aerosol of wherein n is 0.8. The aerosol of wherein n is 0.9. The aerosol of wherein Y is CFand n is 0.10. The aerosol of wherein said at least one fluoroalkene comprises at least one tetrafluoropropene (HFO-1234).11. The aerosol of wherein said at least one tetrafluoropropene is HFO-1234ze.12. The aerosol of consisting essentially of one or more compounds in accordance with Formula (I).13. A sprayable composition comprising the aerosol of .14. The sprayable composition of further comprising material to be sprayed.15. The sprayable composition of wherein said material to be sprayed comprises at least one cosmetic material.16. The sprayable composition of wherein said at least one cosmetic material is selected from the group consisting of deodorants claim 15 , perfumes claim 15 , hair sprays claim 15 , cleaning solvents claim 15 , lubricants and combinations of these.17. The sprayable composition of wherein said material to be sprayed comprises at least one medicinal material.18. The sprayable composition of wherein said at least one medicinal material comprises a biologically active substance.19. The sprayable composition of wherein said at least one medicinal material comprises a drug.20. The sprayable composition of wherein ...

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Номер записи: 31
18-01-2018 дата публикации

METHOD FOR STORING TETRAFLUOROPROPENE AND CONTAINER FOR STORING TETRAFLUOROPROPENE

Номер: US20180016213A1
Автор: FUKUSHIMA Masato, Shigematsu Maki, Tsuzaki Masaaki
Принадлежит: Asahi Glass Company, Limited

To provide a method for stably storing tetrafluoropropene filled in a container for e.g. storage or transportation, without occurrence of reaction such as polymerization. 1. A method for storing tetrafluoropropene in a gaseous-liquid state composed of a gas phase and a liquid phase in a closed container , wherein the oxygen concentration in the above gas phase is adjusted to at least 3 vol ppm and less than 3 ,000 vol ppm at a temperature of 25° C.2. The method for storing tetrafluoropropene according to claim 1 , wherein the oxygen concentration in the above gas phase is adjusted to at least 5 vol ppm and less than 1 claim 1 ,000 vol ppm at a temperature of 25° C.3. The method for storing tetrafluoropropene according to claim 1 , wherein the above tetrafluoropropene is 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene.4. A container for storing tetrafluoropropene claim 1 , which is filled with tetrafluoropropene in a gaseous-liquid state composed of a gas phase and a liquid phase claim 1 , and closed claim 1 , wherein the oxygen concentration in the above gas phase is at least 3 vol ppm and less than 3 claim 1 ,000 vol ppm at a temperature of 25° C.5. The container for storing tetrafluoropropene according to claim 4 , wherein the oxygen concentration in the above gas phase is at least 5 vol ppm and less than 1 claim 4 ,000 vol ppm at a temperature of 25° C.6. The container for storing tetrafluoropropene according to claim 4 , wherein the above tetrafluoropropene is 2 claim 4 ,3 claim 4 ,3 claim 4 ,3-tetrafluoropropene. This application is a continuation of PCT Application No. PCT/JP2013/061678 filed on Apr. 19, 2013, which is based upon and claims the benefit of priority from Japanese Patent Application No. 2012-103184 filed on Apr. 27, 2012. The contents of those applications are incorporated herein by reference in their entireties.The present invention relates to a method for storing tetrafluoropropene and a container for storing the same, particularly to a ...

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Номер записи: 32
21-01-2021 дата публикации

Process for preparing (z)-1,1,1,4,4,4-hexafluoro-2-butene

Номер: US20210017106A1
Автор: SHENG Peng
Принадлежит: Chemours Co FC LLC

The present application is directed to processes and intermediates for preparing (Z)-1,1,1,4,4,4-hexafluoro-2-butene. The present application further provides compositions prepared according to one or more of the processes described herein and methods of using the compositions.

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Номер записи: 33
21-01-2021 дата публикации

TERNARY AZEOTROPIC OR QUASI-AZEOTROPIC COMPOSITION COMPRISING HF, 2,3,3,3-TETRAFLUOROPROPENE AND 1,1,1,2,2-PENTAFLUOROPROPANE

Номер: US20210017107A1
Автор: BERGER Béatrice, Deur-Bert Dominique, Wendlinger Laurent
Принадлежит: Arkema France

The present invention relates to an azeotropic or quasi-azeotropic composition comprising hydrogen fluoride, 2,3,3,3-tetrafluoropropene and 1,1,1,2,2-pentafluoropropane, characterized in that said composition has a boiling point above 40° C. 1. An azeotropic or quasi-azeotropic composition comprising hydrogen fluoride , 2 ,3 ,3 ,3-tetrafluoropropene and 1 ,1 ,1 ,2 ,2-pentafluoropropane , wherein said composition has a boiling point above 45° C.2. The composition as claimed in claim 1 , wherein the composition is obtained for a pressure greater than 11 bara.3. The composition as claimed in claim 1 , it wherein the composition has a boiling point of between 40° C. and 100° C. at a pressure of between 11 and 30 bara.4. The composition as claimed in claim 1 , wherein the hydrogen fluoride content is from 10 to 70 mol % claim 1 , on the basis of the molar composition of said composition.5. The composition as claimed in claim 1 , wherein the 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene content is from 10 to 90 mol % claim 1 , on the basis of the molar composition of said composition.6. The composition as claimed in claim 1 , wherein the 1 claim 1 ,1 claim 1 ,1 claim 1 ,2 claim 1 ,2-pentafluoropropane content is from 1 to 50 mol % claim 1 , on the basis of the molar composition of said composition.7. The composition as claimed in claim 1 , wherein the boiling point of said azeotropic or quasi-azeotropic composition is between 45° C. and 65° C. at a pressure of between 13 and 20 bara.8. The composition as claimed in claim 1 , wherein the composition comprises 31 mol % hydrogen fluoride claim 1 , 66 mol % 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene and 3 mol % 1 claim 1 ,1 claim 1 ,1 claim 1 ,2 claim 1 ,2-pentafluoropropane claim 1 , and has a boiling point of 60° C. at a pressure of 18 bara.9. The composition as claimed in claim 1 , wherein the composition consists of hydrogen fluoride claim 1 , 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene and 1 ...

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Номер записи: 34
28-01-2016 дата публикации

METHODS FOR PURIFYING AND STABILIZING HYDROFLUOROOLEFINS AND HYDROCHLOROFLUOROOLEFINS

Номер: US20160023034A1
Автор: Bonnet Philippe, Elsheikh Maher Y.
Принадлежит: Arkema Inc.

Hydrofluoroolefins and hydrochlorofluoroolefins contaminated with acid and/or iron compounds are purified and stabilized by contacting the haloolefin with a solid adsorbent such as alumina and then combining the purified haloolefin with one or more stabilizers such as an epoxide. The purified, stabilized haloolefins thus obtained are useful in a wide variety of end-use applications, including, for example, as refrigerants, propellants, foaming agents, fire suppression or extinguishing agents, and solvents. 1. A method comprising:a) contacting an impure haloolefin composition comprised of a haloolefin selected from the group consisting of hydrofluoroolefins and hydrochloroiluoroolefins with a solid adsorbent to obtain a purified haloolefin composition; andb) combining the purified haloolefin composition obtained from step a) with at least one stabilizer selected from the group consisting of free radical scavengers, oxygen scavengers, acid scavengers, polymerization inhibitors and corrosion inhibitors to obtain a purified, stabilized haloolefin composition.2. The method of claim 1 , wherein the impure haloolefin composition comprises one or more impurities selected from the group consisting of FeCl claim 1 , trifluoroacetic acid claim 1 , trifluoroacetaldehyde claim 1 , HF and HCl.3. The method of claim 1 , wherein the solid adsorbent is selected from the group consisting of high surface area alumina claim 1 , activated carbon and mixtures thereof.4. The method of claim 1 , wherein the haloolefin is an open chain haloolefin of general formula CHFCl claim 1 , wherein n is 2 claim 1 , 3 or 4 claim 1 , b is 0 or 1 claim 1 , and a is 0 to 6 and a and b are not both 0.535. The method of claim 1 , wherein the haloolefin is a Cto Ccyclic hydrochlorofluoroolefin of general formula CHFCl claim 1 , wherein n is to claim 1 , b is 0 or 1 claim 1 , and a is 0 to 7 and a and b are not both 0.6. The method of claim 1 , wherein the haloolefin is selected from the group consisting of ...

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Номер записи: 35
28-01-2016 дата публикации

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

Номер: US20160023969A1
Автор: Andrew M. Taylor, Andrew P. Sharratt, Claire Mcguiness, John W. Smith
Принадлежит: MEXICHEM AMANCO HOLDING SA DE CV

The invention provides a process for the preparation of 1234yf comprising (a) contacting 1,1,2,3,3,3-hexafluoropropene (1216) with hydrogen in the presence of a hydrogenation catalyst to produce 1,1,2,3,3,3-hexafluoropropane (236ea); (b) dehydrofluorinating 236ea to produce 1,2,3,3,3-pentafluoropropene (1225ye); (c) contacting 1225ye with hydrogen in the presence of a hydrogenation catalyst to produce 1,2,3,3,3-pentafluoropropane (245eb); and (d) dehydrofluorinating 245eb to produce 1234yf.

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Номер записи: 36
28-01-2016 дата публикации

Process for Preparing C3-6 (Hydro)Fluoroalkenes by Dehydrohalogenating C3-6 Halo(Hydro)Fluoroalkanes in the Presence of a Zinc/Chromia Catalyst

Номер: US20160023971A1
Автор: Seddon Leslie Richard, Sharratt Andrew P.
Принадлежит: MEXICHEM AMANCO HOLDING S.A. DE C.V.

The invention relates to a process for preparing a C3-6 (hydro)fluoroalkene comprising dehydrohalogenating a C3-6 hydro(halo)fluoroalkane in the presence of a zinc/chromia catalyst, wherein the C3-6 (hydro)fluoroalkene produced is isomerised in the presence of the zinc/chromia catalyst. 1. A fluid comprising an isomer or an isomer blend of a C3-6 (hydro)fluoroalkene , wherein the C3-6 (hydro)fluoroalkene is produced by a process comprising dehydrohalogenating a C3-6 hydro(halo)fluoroalkene in the presence of a zinc/chromia catalyst , wherein the C3-6 (hydro)fluoroalkene produced is isomerised in the presence of the zinc/chromia catalyst.2. A fluid according to claim 1 , wherein the C3-6 (hydro)fluoroalkene exists in E and Z isomers claim 1 , and the ratio of E and Z isomers is changed in the presence of the zinc/chromia catalyst.3. A fluid according to claim 4 , wherein the presence of the zinc/chromia catalyst changes the ratio of E and Z isomers from that which is the kinematic determined mixture of isomers from the preparation of the C3-6 (hydro)fluoroalkene.4. A fluid according to claim 2 , wherein the desired isomer of the C3-6 (hydro)fluoroalkene is recovered in a subsequent step.5. A fluid according to claim 1 , wherein the process is carried out at a temperature of from −70° C. to 400° C. and a pressure of from 0 to 30 bara.6. A fluid according to claim 7 , wherein the process is carried out in the vapour phase at a temperature of from 200 to 360° C.7. A fluid according to claim 5 , wherein the process is carried out at super-atmospheric pressure.8. A fluid according to claim 1 , wherein the C3-6 (hydro)fluoroalkene is a (hydro)fluoropropene and the process comprises dehydrohalogenating a hydro(halo)fluoropropene.9. A fluid according to claim 10 , wherein the (hydro)fluoropropene produced is selected from tetrafluoropropenes and pentafluoropropenes.10. A fluid according to claim 11 , wherein the (hydro)fluoropropene comprises 1 claim 11 ,2 claim 11 ,3 claim ...

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Номер записи: 37
28-01-2016 дата публикации

COMPOSITION COMPRISING HF AND E-3,3,3-TRIFLUORO-1-CHLOROPROPENE

Номер: US20160023974A1
Автор: Bonnet Philippe, COLLIER Bertrand, Deur-Bert Dominique, Wendlinger Laurent
Принадлежит: Arkema France

An azeotropic or quasi-azeotropic composition including hydrogen fluoride, E-3,3,3-trifluoro-1-chloropropene and optionally one or more (hydro)halogen-carbon compounds including between 1 and 3 carbon atoms. Also, a preferred azeotropic or quasi-azeotropic composition including hydrogen fluoride, E-3,3,3-trifluoro-1-chloropropene, and optionally one or more compounds selected from among 1,1,1,2,2-pentafluoropropane, 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, 1,3,3,3-tetrafluoropropene, trifluoropropyne, 1,1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropene, 1,1,1,2,3-pentafluoropropene and 2-chloro,1,1,1,2-tetrafluoropropane. 1. An azeotropic or quasi-azeotropic composition comprising hydrogen fluoride , E-3 ,3 ,3-trifluoro-1-chloropropene and optionally one or more (hydro)halocarbon compounds comprising between 1 and 3 carbon atoms.2. The composition as claimed in claim 1 , in which the composition comprises hydrogen fluoride claim 1 , E-3 claim 1 ,3 claim 1 ,3-trifluoro-1-chloropropene claim 1 , and optionally one or more compounds chosen from 1 claim 1 ,1 claim 1 ,1 claim 1 ,2 claim 1 ,2-pentafluoropropane claim 1 , 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene claim 1 , 3 claim 1 ,3 claim 1 ,3-trifluoropropene claim 1 , 3 claim 1 ,3 claim 1 ,3-trifluoro-2-chloropropene claim 1 , 1 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene claim 1 , trifluoropropyne claim 1 , 1 claim 1 ,1 claim 1 ,1 claim 1 ,3 claim 1 ,3-pentafluoropropane claim 1 , 1 claim 1 ,1 claim 1 ,1 claim 1 ,3 claim 1 ,3-pentafluoropropene claim 1 , 1 claim 1 ,1 claim 1 ,1 claim 1 ,2 claim 1 ,3-pentafluoropropene and 2-chloro-1 claim 1 ,1 claim 1 ,1 claim 1 ,2-tetrafluoropropane.3. The composition claim 1 , in which the composition comprises hydrogen fluoride claim 1 , E-3 claim 1 ,3 claim 1 ,3-trifluoro-1-chloropropene and optionally at least one or more organic compounds chosen from 1 claim 1 ,1 claim 1 ,1 ...

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Номер записи: 38
25-01-2018 дата публикации

HEAT TRANSFER COMPOSITIONS, METHODS AND SYSTEMS

Номер: US20180022672A1
Автор: Pham Hang T., Shankland Ian, SINGH Rajiv R.
Принадлежит:

Various compositons, including particularly aerosol compositions, containing fluorinated olefins, including particularly tetra- and penta-fluorpropenes, in a variety of applications are disclosed. 1. A method for producing an automobile air conditioning system for use with 2 ,3 ,3 ,3-tetrafluoropropene (HFO-1234yf) comprising:(a) providing an automobile vapor compression air conditioning system usable with refrigerant 1,1,1,2-tetrafluoroethane (HFC-134a) and having at least one compressor and at least one condenser; and(b) providing a heat transfer composition in said system, said heat transfer composition consisting essentially of:(i) at least about 50% by weight of HFO-1234yf ; and(ii) lubricant consisting essentially of polyalkylene glycol(s), and(c) operating said vapor compression air conditioning system, wherein (1) during at least a portion of said operating step said condenser operates with said refrigerant in a temperature range that includes 150° F.; (2) said HFO-1234yf and said lubricant are stable when in contact in said vapor compression air conditioning system; and (3) said refrigerant has no substantial acute toxicity as measured by inhalation exposure to mice and rats.2. The method of wherein said lubricant is present in the heat transfer composition in an amount of from about 30% to about 50% by weight.3. The method of wherein said HFO-1234yf is present in the heat transfer composition in an amount of at least about 70% by weight.4. The method of wherein said refrigerant has a Global Warming Potential (GWP) of not greater than about 150.5. A method of conditioning the air in an automobile using an automobile air conditioning system including at least one compressor claim 3 , at least one condenser and at least one evaporator claim 3 , said method comprising:(a) utilizing in said system a heat transfer composition consisting essentially of:(i) at least about 50% by weight of 2,3,3,3-tetrafluoropropene (HFO-1234yf); and(ii) lubricant consisting ...

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Номер записи: 39
10-02-2022 дата публикации

HYDROFLUOROOLEFINS AND METHODS OF USING SAME

Номер: US20220041532A1
Автор: Bulinski Michael J., Costello Michael G., Coughlin Forrest A., Ren Hui, Smith Sean M.
Принадлежит:

A hydrofluoroolefin compound represented by the following general formula (II): Formula (II) where Rf is a linear, branched, or cyclic perfluoroalkyl group having 1-6 carbon atoms, and optionally comprises at least one catenated heteroatom selected from nitrogen or oxygen; n is 0 or 1; X is Cl or Br; with the following proviso: when Rf is CF3, then n is 1. 1. A hydrofluoroolefin compound represented by the following general formula (II):{'br': None, 'sub': f', 'n, 'R(CFH)CF═CHX\u2003\u2003(II)'}{'sub': 'f', 'where Ris a linear, branched, or cyclic perfluoroalkyl group having 1-6 carbon atoms, and optionally comprises at least one catenated heteroatom selected from nitrogen or oxygen;'}n is 0 or 1;X is Cl or Br;with the following proviso:{'sub': 'f', 'when Ris CF3, then n is 1.'}2. The hydrofluoroolefin compound of claim 1 , wherein the hydrofluoroolefin compound has the following general formula (IIA):{'br': None, 'RfCF═CHCl\u2003\u2003(IIA)'}{'sub': 'f', 'where Ris a linear, branched, or cyclic perfluoroalkyl group having 2-6 carbon atoms, and optionally comprises at least one catenated heteroatom selected from nitrogen or oxygen.'}3. The hydrofluoroolefin compound of claim 1 , wherein the hydrofluoroolefin compound has the following general formula (IIB):{'br': None, 'RfCF═CHCl\u2003\u2003(IIB)'}{'sub': 'f', 'where Ris a perfluoroalkyl group having 2-3 carbon atoms.'}4. The hydrofluoroolefin compound of claim 1 , wherein the hydrofluoroolefin compound has the following general formula (IIC):{'br': None, 'RfCF═CHBr\u2003\u2003(IIC)'}{'sub': 'f', 'where Ris a linear, branched, or cyclic perfluoroalkyl group having 2-6 carbon atoms, and optionally comprises at least one catenated heteroatom selected from nitrogen or oxygen.'}5. The hydrofluoroolefin compound of claim 1 , wherein the hydrofluoroolefin compound has the following general formula (IID):{'br': None, 'RfCF═CHBr\u2003\u2003(IID)'}{'sub': 'f', 'where Ris a perfluoroalkyl group having 2-3 carbon atoms.'}6. ...

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Номер записи: 40
23-01-2020 дата публикации

METHOD FOR PRODUCING 1-CHLORO-3,3,3-TRIFLUOROPROPENE

Номер: US20200024218A1
Автор: OKAMOTO Masamune, OKAMOTO Satoru
Принадлежит:

A method for manufacturing 1-chloro-3,3,3-trifluoropropene (1230zd) is provided. The method includes contacting a halogenated hydrocarbon compound having a carbon number of 3 and represented by a general formula (1) with a metal catalyst in a gas phase. 1. A method for manufacturing 1-chloro-3 ,3 ,3-trifluoropropene , the method comprising contacting a halogenated hydrocarbon compound having a carbon number of 3 and represented by a general formula (1) with a metal catalyst in a gas phase:{'br': None, 'sub': a', '3-a', '2', 'b', '2-b, 'CFCl—CH—CHFCl\u2003\u2003(1)'}wherein, in the formula, a is an integer from 0 to 2, b is 1 or 2 when a=0, b is 0 or 1 when a=1, and b is 0 when a=2.2. The method according to claim 1 , wherein the reaction is carried out in the presence of at least one kind of fluorocarbon compound selected from 1 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene claim 1 , 1 claim 1 ,1 claim 1 ,3 claim 1 ,3-tetrafluoropropene claim 1 , and 1 claim 1 ,1 claim 1 ,1 claim 1 ,3 claim 1 ,3-pentafluoropropane in the reaction.3. The method according to claim 2 , wherein the reaction is carried out in the presence of 1 claim 2 ,1 claim 2 ,1 claim 2 ,3 claim 2 ,3-pentachloropropane.4. The method according to claim 2 , wherein the fluorocarbon compound is 1 claim 2 ,3 claim 2 ,3 claim 2 ,3-tetrafluoropropene or 1 claim 2 ,1 claim 2 ,1 claim 2 ,3 claim 2 ,3-pentafluoropropane.5. The method according to claim 1 , wherein the metal catalyst includes at least one kind of metal selected from aluminum claim 1 , vanadium claim 1 , chromium claim 1 , titanium claim 1 , magnesium claim 1 , manganese claim 1 , iron claim 1 , cobalt claim 1 , nickel claim 1 , copper claim 1 , zirconium claim 1 , niobium claim 1 , molybdenum claim 1 , ruthenium claim 1 , rhodium claim 1 , palladium claim 1 , silver claim 1 , tin claim 1 , antimony claim 1 , zinc claim 1 , lanthanum claim 1 , tantalum claim 1 , and tungsten.6. The method according to claim 5 , wherein the metal catalyst ...

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Номер записи: 41
24-04-2014 дата публикации

Method For Making Catalyst Compositions Of Alkali Metal Halide-Doped Bivalent Metal Fluorides And A Process For Making Fluorinated Olefins

Номер: US20140113805A1
Автор: Haiyou Wang, Hsueh Sung Tung
Принадлежит: Honeywell International Inc

There is provided methods for making a catalyst composition represented by the formula MX/M′F 2 wherein MX is an alkali metal halide; M is an alkali metal ion selected from the group consisting of Li + , Na + , K + , Rb + , and Cs + ; X is a halogen ion selected from the group consisting of F − , Cl − , Br − , and I − ; M′F 2 is a bivalent metal fluoride; and M′ is a bivalent metal ion. One method has the following steps: (a) dissolving an amount of the alkali metal halide in an amount of solvent sufficient to substantially dissolve or solubilize the alkali metal halide to form an alkali metal halide solution; (b) adding an amount of the bi-valent metal fluoride to the alkali metal halide solution to form a slurry of the alkali metal halide and bi-valent metal fluoride; and (c) removing substantially all of the solvent from the slurry to form a solid mass of the alkali metal halide and bi-valent metal fluoride. Another method has the following steps: (a) adding an amount of hydroxide, oxide, or carbonate of an alkali metal to an aqueous solution of a hydrogen halide and reacted to form an aqueous solution of an alkali metal halide; (b) adding an amount of a hydroxide, oxide, or carbonate of a bivalent metal to an aqueous solution of hydrogen fluoride and reacted to form a precipitate of a bivalent metal fluoride; (c) admixing the alkali metal halide solution and the bivalent metal fluoride precipitate are admixed to form an aqueous slurry; and (d) removing water from the aqueous slurry to form a solid mass. There is also a method for making a fluorinated olefin.

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Номер записи: 42
04-02-2016 дата публикации

Composition comprising hf and 1,3,3,3-tetrafluoropropene

Номер: US20160031773A1
Автор: BERTRAND Collier, Dominique Deur-Bert, Laurent Wendlinger, Philippe Bonnet
Принадлежит: Arkema France SA

An azeotropic or quasi-azeotropic composition including hydrogen fluoride, 1,3,3,3-tetrafluoropropene and one or more (hydro)halogen-carbon compounds including between 1 and 3 carbon atoms. Also, a preferred azeotropic or quasi-azeotropic composition comprising hydrogen fluoride, 1,3,3,3-tetrafluoropropene, and one or more compounds selected from among 1,1,1,2,2-pentafluoropropane, 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, E-3,3,3-trifluoro-1-chloropropene, trifluoropropyne, 1,1,1,3,3-pentafluoropropane, 1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropene, 1,1,1,2,3-pentafluoropropene and 2-chloro, 1,1,1,2-tetrafluoropropane.

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Номер записи: 43
04-02-2016 дата публикации

COMPOSITIONS COMPRISING FLUOROOLEFINS AND USES THEREOF

Номер: US20160032164A1
Автор: Minor Barbara Haviland, Nappa Mario Joseph, SIEVERT ALLEN CAPRON
Принадлежит: THE CHEMOURS COMPANY FC, LLC

The present invention relates to fluoroolefin compositions. The fluoroolefin compositions of the present invention are useful as refrigerants or heat transfer fluids and in processes for producing cooling or heat. Additionally, the fluoroolefin compositions of the present invention may be used to replace currently used refrigerant or heat transfer fluid compositions that have higher global warming potential. 148-. (canceled)49. A refrigerant or heat transfer fluid composition comprising at least one compound selected from the group consisting of 1 ,3 ,4 ,4 ,4-pentafluoro-3-(trifluoromethyl)-1-butene; 1 ,3 ,3 ,4 ,4 ,4-hexafluoro-1-butene; and 2 ,3 ,3 ,4 ,4 ,4-hexafluoro-1-butene.50. The composition of claim 49 , further comprising a flammable refrigerant.51. The composition of claim 50 , wherein the flammable refrigerant is selected from the group consisting of hydrofluorocarbons claim 50 , fluoroethers claim 50 , hydrocarbon ethers claim 50 , hydrocarbons claim 50 , ammonia and combinations thereof.52. The composition of claim 51 , wherein the flammable refrigerant is selected from the group consisting of difluoromethane (HFC-32); fluoromethane (HFC-41); 1 claim 51 ,1 claim 51 ,1-trifluoroethane (HFC-143a); 1 claim 51 ,1 claim 51 ,2-trifluoroethane (HFC-143); 1 claim 51 ,1-difluoroethane (HFC-152a); fluoroethane (HFC-161); 1 claim 51 ,1 claim 51 ,1-trifluoropropane (HFC-263fb); 1 claim 51 ,1 claim 51 ,1 claim 51 ,3 claim 51 ,3-pentafluorobutane (HFC-365mfc); 1 claim 51 ,2 claim 51 ,3 claim 51 ,3-tetrafluoro-1-propene (HFC-1234ye); 1 claim 51 ,3 claim 51 ,3 claim 51 ,3-tetrafluoro-1-propene (HFC-1234ze); 2 claim 51 ,3 claim 51 ,3 claim 51 ,3-tetrafluoro-1-propene (HFC-1234yf); 1 claim 51 ,1 claim 51 ,2 claim 51 ,3-tetrafluoro-1-propene (HFC-1234yc); 1 claim 51 ,1 claim 51 ,3 claim 51 ,3-tetrafluoro-1-propene (HFC-1234zc); 2 claim 51 ,3 claim 51 ,3-trifluoro-1-propene (HFC-1243yf); 3 claim 51 ,3 claim 51 ,3-trifluoro-1-propene (HFC-1243zf); 1 claim 51 ,1 claim 51 ,2- ...

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Номер записи: 44
01-02-2018 дата публикации

Method for preparing 2,3,3,3-tetrafluoropropene using methyl magnesium chloride

Номер: US20180029961A1
Автор: Hongfeng Li, Liyong Ma, Shuhua Wang, Xiaobo Xu
Принадлежит: Juhua Group Technology Centre

The present invention discloses a method for preparing 2,3,3,3-tetrafluoropropene using methylmagnesium chloride, comprising the following steps: 1) preparing 1,1,2-trifluoropropene (CH 3 CF═CF 2 ); 2) preparing 1,1,1,2,2-pentafluoropane (CF 3 CF 2 CH 3 ); 3) preparing 2,3,3,3-tetrafluoropropene (CF 3 CF═CH 2 ). In the present invention, using a Grignard reagent, namely methylmagnesium chloride, and tetrafluoroethylene as starting raw materials, 2,3,3,3-tetrafluoropropene is prepared by three steps of nucleophilic addition-elimination, fluorine addition, and dehydrofluorination in sequence. The process flow is relatively short, and the product yield is high.

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Номер записи: 45
31-01-2019 дата публикации

Method for Producing Trans-1-Chloro-3,3,3-Trifluoropropene

Номер: US20190031583A1
Автор: Koji Ueda, Satoru Okamoto, Takamasa Kitamoto
Принадлежит: Central Glass Co Ltd

wherein X is 2 or 3; when X=2, Y is an integer of 1 to 4, Z is an integer of 0 to 3, and Y+Z=4; and, when X=3, Y is an integer of 1 to 5, Z is an integer of 0 to 4, and Y+Z=5; provided that the general formula (1) represents any halogenated C3 hydrocarbon compound other than trans-1-chloro-3,3,3-trifluoropropene.

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Номер записи: 46
30-01-2020 дата публикации

METHOD FOR PRODUCING (Z)-1-CHLORO-2,3,3-TRIFLUORO-1-PROPENE

Номер: US20200031744A1
Автор: Fujimori Atsushi, Ichinokawa Mari, MITSUOKA Hiroaki, Nakamura Masahiko, Okamoto Hidekazu
Принадлежит: AGC Inc.

Provided is a method for producing (Z)-1-chloro-2,3,3-trifluoro-1-propene where (E)-1-chloro-2,3,3-trifluoro-1-propene and water can be efficiently removed and (Z)-1-chloro-2,3,3-trifluoro-1-propene with higher purity can be obtained at a higher recovery ratio. The method for producing (Z)-1-chloro-2,3,3-trifluoro-1-propene includes: distilling a distillation composition which contains (Z)-1-chloro-2,3,3-trifluoro-1-propene, (E)-1-chloro-2,3,3-trifluoro-1-propene and water to remove (E)-1-chloro-2,3,3-trifluoro-1-propene and water as an azeotropic composition or an azeotropic-like composition. 16-. (canceled)7: A composition , comprising:(Z)-1-chloro-2,3,3-trifluoro-1-propene;(E)-1-chloro-2,3,3-trifluoro-1-propene; andwater,wherein a proportion of (Z)-1-chloro-2,3,3-trifluoro-1-propene with respect to a sum total of contents of the (Z)-1-chloro-2,3,3-trifluoro-1-propene, (E)-1-chloro-2,3,3-trifluoro-1-propene and water is 90 mass % or more.8: The composition according to claim 7 , wherein a content of water in the composition is 0.01% or less.9: The composition according to claim 7 , wherein the proportion of (Z)-1-chloro-2 claim 7 ,3 claim 7 ,3-trifluoro-1-propene with respect to a sum total of contents of the (Z)-1-chloro-2 claim 7 ,3 claim 7 ,3-trifluoro-1-propene claim 7 , (E)-1-chloro-2 claim 7 ,3 claim 7 ,3-trifluoro-1-propene and water is 93 mass % or more.10: The composition according to claim 7 , wherein the proportion of (Z)-1-chloro-2 claim 7 ,3 claim 7 ,3-trifluoro-1-propene with respect to a sum total of contents of the (Z)-1-chloro-2 claim 7 ,3 claim 7 ,3-trifluoro-1-propene claim 7 , (E)-1-chloro-2 claim 7 ,3 claim 7 ,3-trifluoro-1-propene and water is 95 mass % or more.11: The composition according to claim 7 , wherein the proportion of (Z)-1-chloro-2 claim 7 ,3 claim 7 ,3-trifluoro-1-propene with respect to a sum total of contents of the (Z)-1-chloro-2 claim 7 ,3 claim 7 ,3-trifluoro-1-propene claim 7 , (E)-1-chloro-2 claim 7 ,3 claim 7 ,3-trifluoro ...

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Номер записи: 47
30-01-2020 дата публикации

COMPOSITION CONTAINING HYDROFLUOROOLEFIN COMPOUND

Номер: US20200031745A1
Автор: Chaki Takehiro, Karube Daisuke
Принадлежит: DAIKIN INDUSTRIES, LTD.

The present invention provides a composition comprising an HFO compound, the composition having excellent stability with decomposition and oxidation of the HFO compound being inhibited, the composition having improved refrigerating capacity when used as a heat transfer medium, compared with the case in which an HFO compound is used alone. More specifically, the present invention provides a composition comprising at least one HFO compound selected from the group consisting of HFO-1234yf, (E-/Z-)HFO-1234ze, and (E-/Z-)HFO-1225ye; and a chlorine-containing compound, wherein (1) the chlorine-containing compound is at least one member selected from the group consisting of CH═CHCl, CHF═CHCl, CH═CFCl, CFCl, CHCl, CFCHCl, CClF═CHCl, and CHF═CCl, and (2) the chlorine-containing compound is contained in an amount ranging from 1 to 500000 mass ppm. 111-. (canceled)12. A composition comprising:at least one HFO compound selected from the group consisting of 2,3,3,3-tetrafluoropropene (HFO-1234yf), (trans-/cis-)1,3,3,3-tetrafluoropropene ((E-/Z-)HFO-1234ze), and (trans-/cis-)1,2,3,3,3-pentafluoropropene ((E-/Z-)HFO-1225ye); anda chlorine-containing compound,wherein{'sub': 2', '2, '(1) the chlorine-containing compound is at least one member selected from the group consisting of CH═CHCl and CH═CFCl, and'}(2) an amount of the chlorine-containing compound in the composition is within a range of 10000 to 400000 mass ppm.13. The composition according to claim 12 , wherein the amount of the chlorine-containing compound in the composition is within a range of 100000 to 300000 mass ppm.14. The composition according to claim 12 , wherein a mixture of the HFO compound and the chlorine-containing compound is an azeotrope or azeotrope-like mixture.15. The composition according to claim 12 , further comprising at least one HFC compound selected from the group consisting of difluoromethane (HFC-32) claim 12 , 1 claim 12 ,2 claim 12 ,2 claim 12 ,2-tetrafluoroethane (HFC-134a) claim 12 , 1 claim ...

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Номер записи: 48
30-01-2020 дата публикации

Novel Fire Retardant Compounds

Номер: US20200031746A1
Автор: Badaeva Ekaterina A., Gregersen Kimberly-Alice D., Moreland James Craig, Zweig Andrew M.
Принадлежит:

Compounds with fire extinguishing properties having the formula: 2. The compound of wherein two or more substituents selected from R claim 1 , Rand Rare halogen.3. The compound of wherein R claim 1 , Rand Rare each halogen.4. The compound of wherein R claim 1 , Rand Rare each independently selected from hydrogen claim 1 , Br claim 1 , Cl and I.5. The compound of wherein Ris —CRRR.6. The compound of wherein Ris —CRRCRRR.7. A method for extinguishing a fire claim 1 , the method comprising directing a compound of towards a fire.9. The fire extinguishing unit of wherein two or more substituents are selected from R claim 8 , Rand Rare halogen.11. A compound according to wherein Ris iodo and Ris hydrogen.12. A compound according to wherein Rand Rare both fluoro.13. A compound according to wherein Rand Rare both hydrogen.14. A compound which is 2 claim 10 ,3-dibromo-4 claim 10 ,4 claim 10 ,4-trifluoro-1-butene; 2-iodoperfluoro-1-butene; 2-bromoperfluoro-1-butene; 3-iodo-3 claim 10 ,4 claim 10 ,4 claim 10 ,4-tetrafluoro-1-butene; 1-iodo-4 claim 10 ,4 claim 10 ,4-trifluoro-1-butene; 1-bromo-4 claim 10 ,4 claim 10 ,4-trifluoro-1-butene; or 2-chloro-3 claim 10 ,3 claim 10 ,4 claim 10 ,4 claim 10 ,4-pentafluoro-1-butene. This application is a divisional of U.S. application Ser. No. 16/126,746, filed Sep. 10, 2018, which is a divisional of U.S. application Ser. No. 14/753,760, filed Jun. 29, 2015, the disclosure of each of which is incorporated herein by reference in its entirety.This invention concerns novel halogen containing compounds and fire extinguishing units including one or more fire extinguishing compounds.Halon 1301 is the predominant fire extinguishing agent used on aircraft. Halon 1301 is currently a banned substance with few exceptions. One such exception is its use as an aircraft fire extinguishing agent. However, even with this exception, new fire extinguishing compounds are needed because Halon 1301, as a banned substance, is no longer manufactured and ...

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Номер записи: 49
08-02-2018 дата публикации

CONVERSION OF CHLOROFLUOROROPANES AND CHLOROFLUROPROPENES TO MORE DESIRABLE FLUOROPROPANES AND FLUOROROPENES

Номер: US20180037525A1
Автор: Sun Xuehui
Принадлежит:

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 ( ...

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Номер записи: 50
24-02-2022 дата публикации

METHOD FOR PURIFYING 1,1,1,2,3-PENTAFLUOROPROPANE AND USE THEREOF FOR OBTAINING HIGH-PURITY 2,3,3,3-TETRAFLUOROPROPENE

Номер: US20220055973A1
Автор: BERTRAND Collier, SEDAT Pierre-Marie
Принадлежит:

The present invention relates to a process for purifying 1,1,1,2,3-pentafluoropropane, comprising the steps of: i) providing a composition A1 comprising 1,1,1,2,3-pentafluoropropane and 1,1,1,3-tetrafluoropropane; ii) purifying, preferably distilling, said composition A1 under conditions that are sufficient to form at least two streams including a first stream comprising 1,1,1,2,3-pentafluoropropane and a second stream comprising 1,1,1,3-tetrafluoropropane. The present invention also relates to a process for producing 2,3,3,3-tetrafluoropropene and a composition comprising 2,3,3,3-tetrafluoropropene. 1. A composition comprising:at least 99.5% by weight of 1,1,1,2,3-pentafluoropropane,less than 500 ppm of 1,1,1,3-tetrafluoropropane;less than 1000 ppm of 1,1,1,2,3,3-hexafluoropropane;less than 50 ppm of 1,1,2-trifluoroethane and/or 1,1,1-trifluoroethane;less than 100 ppm of 1,1,1,2-tetrafluoropropane;on the basis of the total weight of the composition.2. A composition comprising:at least 99.5% by weight of 2,3,3,3-tetrafluoropropene,less than 100 ppm of 3,3,3-trifluoropropene,less than 100 ppm of 1,2,3,3,3-pentafluoropropene,less than 200 ppm of 1,1,2-trifluoroethane and/or 1,1,1-trifluoroethane, andless than 20 ppm of 1,1,1,2,3-pentafluoropropane,on the basis of the total weight of the composition.3. The composition of comprising from 0 ppm to 100 ppm of 1 claim 1 ,1 claim 1 ,1 claim 1 ,2 claim 1 ,3 claim 1 ,3-hexafluoropropane on the basis of the total weight of the composition.4. The composition of comprising from 0 ppm to 25 ppm of 1 claim 3 ,1 claim 3 ,1 claim 3 ,2 claim 3 ,3 claim 3 ,3-hexafluoropropane on the basis of the total weight of the composition.5. The composition of comprising from 0 ppm to 10 ppm 1 claim 1 ,1 claim 1 ,1 claim 1 ,3-tetrafluoropropane on the basis of the total weight of the composition. This application is a Divisional application of U.S. application Ser. No. 16/959,197, filed on Jun. 30, 2020, which was a U.S. National Stage ...

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Номер записи: 51
07-02-2019 дата публикации

METHOD FOR PRODUCING TETRAFLUOROPROPENE

Номер: US20190039975A1
Автор: Chaki Takehiro, Karube Daisuke, OHKUBO Shun, Usui Takashi
Принадлежит: DAIKIN INDUSTRIES, LTD.

The present invention provides a method for producing tetrafluoropropene represented by formula (1) by bringing monochlorotrifluoropropene represented by formula (2) into contact with anhydrous hydrogen fluoride in the presence of a catalyst, the method being capable of maintaining the conversion of the starting material and the selectivity for the target product within an excellent range, while reducing degradation of the catalyst to maintain the reaction for a long time. The invention specifically relates to a method for producing tetrafluoropropene represented by formula (1) CFCX═CHX wherein Xs are different from each other and represent H or F, including the step of bringing an organic substance containing monochlorotrifluoropropene represented by formula (2) CFCY═CHY wherein Ys are different from each other and represent H or Cl into contact with anhydrous hydrogen fluoride in the presence of a catalyst in a reactor, wherein the amount of the anhydrous hydrogen fluoride supplied to the reactor is 30 moles or more per mole of the organic substance supplied to the reactor. 2. The production method according to claim 1 , wherein the amount of the anhydrous hydrogen fluoride supplied to the reactor is 30 to 100 moles per mole of the organic substance supplied to the reactor.3. The production method according to claim 1 , wherein the catalyst is a fluorination catalyst.4. The production method according to claim 1 , comprising supplying an oxidizing agent to the reactor.5. The production method according to claim 4 , wherein the amount of the oxidizing agent supplied to the reactor is 0.0001 to 0.5 moles per mole of the organic substance supplied to the reactor.6. The production method according to claim 4 , wherein the oxidizing agent is oxygen.7. The production method according to claim 2 , wherein the catalyst is a fluorination catalyst.8. The production method according to claim 2 , comprising supplying an oxidizing agent to the reactor.9. The production method ...

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Номер записи: 52
07-02-2019 дата публикации

LOW-CARBON ENVIRONMENTALLY-FRIENDLY FOAMER COMPOSITION

Номер: US20190039976A1
Автор: Fang Min, GONG Haitao, HONG Jiangyong, OUYANG Hao, Yang Bo, Zhang Yan, Zhao Yang, ZHOU Huadong
Принадлежит: Zhejiang Quhua Fluor-Chemistry Co Ltd

A low-carbon environmentally-friendly foamer composition is disclosed. The composition includes the following ingredients in mass percentage: 60-98.99% of 1-chloro-3,3,3-trifluoropropene, 1-39.9% of 1,1,1,2,3-pentafluoropropane and 0.01-1% of 1,2,2,3-tetrafluoropropane. The GWP value of the low-carbon environmentally-friendly foamer composition is smaller than the GWP value of a single-medium HFC-245fa. This low-carbon environmentally-friendly foamer composition has the features of environmental protection, excellent foaming performance and little modification of foaming devices, and can reduce the heat conductivity coefficient and overall energy consumption level. Therefore, the low-carbon environmentally-friendly foamer composition is the best choice for high-performance hard insulating foam, and is an ideal choice of future foamer. 5. The low-carbon environment-friendly foamer composition of claim 1 , wherein the composition has a boiling point of 18-19° C. at 101.3 KPa.6. A preparation method for the low-carbon environmentally-friendly foamer composition of claim 1 , wherein all ingredients are physically mixed by mass percentage in a liquid-phase state.7. A preparation method for the low-carbon environmentally-friendly foamer composition of claim 2 , wherein all ingredients are physically mixed by mass percentage in a liquid-phase state.8. A preparation method for the low-carbon environmentally-friendly foamer composition of claim 3 , wherein all ingredients are physically mixed by mass percentage in a liquid-phase state.9. A preparation method for the low-carbon environmentally-friendly foamer composition of claim 4 , wherein all ingredients are physically mixed by mass percentage in a liquid-phase state.10. A preparation method for the low-carbon environmentally-friendly foamer composition of claim 5 , wherein all ingredients are physically mixed by mass percentage in a liquid-phase state. This invention relates to the application field of foamer, in ...

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Номер записи: 53
06-02-2020 дата публикации

METHOD FOR CO-PRODUCING LOW-CARBON FOAMING AGENTS

Номер: US20200039902A1
Автор: Fang Min, GONG Haitao, HONG Jiangyong, OUYANG Hao, Yang Bo, Zhang Yan, Zhao Yang, ZHOU Huadong
Принадлежит: Zhejiang Quhua Fluor-Chemistry Co Ltd

The invention discloses a method for co-operating low-carbon foaming agents, comprising: preheating 1,1,1,3,3-pentachloropropane and hydrogen fluoride and then introducing into a reactor to have a reaction in the presence of a catalyst to obtain a reaction product, and separating and purifying to obtain the following low-carbon foaming agent products: trans-1,3,3,3-tetrafluoropropene, cis-1,3,3,3-tetrafluoropropene, 1,1,1,3,3-pentafluoropropane, trans-1-chloro-3,3,3-trifluoropropene, cis-1-chloro-3,3,3-trifluoropropene. The invention has the advantages of simple process, environmental friendliness, high production efficiency and low cost. 1. A method for co-producing low-carbon foaming agents , comprising following steps of:{'sup': '−1', '(1) preheating 1,1,1,3,3-pentachloropropane and hydrogen fluoride, introducing the 1,1,1,3,3-pentachloropropane and the hydrogen fluoride into a reactor, and reacting the 1,1,1,3,3-pentachloropropane and the hydrogen fluoride in the presence of a catalyst to obtain a reaction product, wherein a ratio of the 1,1,1,3,3-pentachloropropane and the hydrogen fluoride is 1:10-40, a temperature of the reaction is 150-400° C., a pressure of the reaction is 0.1-2.0 MPa, and a material space velocity of the reaction is 10-1000 h;'}(2) introducing the reaction product obtained in the Step (1) into a recycle column to obtain a recycle column overhead fraction and a recycle column bottom component;(3) introducing the recycle column overhead fraction obtained in the Step (2) into a hydrogen chloride separation column to obtain a hydrogen chloride separation column overhead fraction and a hydrogen chloride separation column bottom component;(4) introducing the hydrogen chloride separation column bottom component obtained in the Step (3) and an extractant into an extraction column for extraction to obtain an extraction column overhead component and an extraction column bottom component; and(5) alkaline washing the extract column bottom component ...

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Номер записи: 54
18-02-2021 дата публикации

PROCESS FOR SYNTHESIS OF FLUORINATED OLEFINS

Номер: US20210047251A1
Автор: Bortz Cheryl L., Cantlon Cheryl L., Johnson Robert C., Light Barbara A., MUKHOPADHYAY SUDIP
Принадлежит:

Disclosed is a process for the synthesis of fluorinated olefins, and in particularly preferred embodiments tetrafluorinated olefins having F on an unsaturated, non-terminal carbon, such as 2,3,3,3-tetrafluoropropene. The preferred processes of the present invention in accordance with one embodiment generally comprise: 2. The process of claim 1 , wherein compound of formula (IIIB) is CFCHFCHCl.3. The process of claim 1 , wherein compound of formula (IIIB) is CFCHFCHF.4. The process of wherein said reacting step (a) is a catalyzed liquid phase reaction.5. The process of wherein said reaction step (a) comprises reacting said HF with said compound of formula (IIA) at a temperature of from about 0° C. to about 250° C. and at a pressure of about 500 to about 1000 psig in the presence of a catalyst.6. The process of wherein said catalyst comprises SbCl.7. The process of wherein said exposing step (b) is a liquid phase reaction that involves contacting the compound of formula (III) with a potassium hydroxide solution and claim 1 , optionally claim 1 , a Crown ether.8. The process of wherein said exposing step is at least partially conducted at a temperature of from about 25° C. to about 90° C. and at a pressure of about 100 to about 200 psig.9. The process of wherein said exposing step (b) is a vapor phase reaction that involves contacting the compound of formula (III) with a metal-based catalyst.10. The process of wherein said metal-based catalyst is at least one of Pd or Ni on a carbon substrate.11. The process of wherein said exposing step is at least partially conducted at a temperature of from about 200° C. to about 500° C. This application is a division of U.S. application Ser. No. 15/987,463 filed May 23, 2018 (pending) which is a continuation of U.S. application Ser. No. 14/797,699, filed Jul. 13, 2015 (now abandoned), which application is a division of U.S. application Ser. No. 12/249,958, filed Oct. 12, 2008, (now U.S. Pat. No. 9,079,818, issued Jul. 14, 2015), ...

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Номер записи: 55
18-02-2021 дата публикации

PRODUCTION METHOD FOR ALKENE

Номер: US20210047252A1
Автор: Suzuki Kensuke, TOHMIYA Hiraku
Принадлежит: KUREHA CORPORATION

The present invention is to provide a method of producing an alkene that can further enhance the yield of an alkene, a reaction product, the method including bringing a gaseous halogenated alkane into contact with an alkaline aqueous solution in the presence of a phase-transfer catalyst. The objective above is achieved by a method of producing an alkene comprising bringing in the presence of a phase-transfer catalyst a liquid phase containing an alkaline aqueous solution and a water-insoluble solvent into contact with a gas phase containing a halogenated alkane that is soluble in the water-insoluble solvent. 2. The method of producing an alkene according to claim 1 , wherein the liquid phase is agitated in the step of bringing the liquid phase into contact with the gas phase.3. The method of producing an alkene according to claim 1 , wherein the step of bringing the liquid phase into contact with the gas phase is a step of producing the alkene in a gas form claim 1 , which is a reaction product.4. The method of producing an alkene according to claim 1 , wherein the water-insoluble solvent is a water-insoluble solvent selected from a group consisting of an alcohol-based water-insoluble solvent claim 1 , an ether-based water-insoluble solvent claim 1 , an aliphatic hydrocarbon-based water-insoluble solvent claim 1 , and an aromatic hydrocarbon-based water-insoluble solvent.5. The method of producing an alkene according to claim 1 , wherein the water-insoluble solvent is a water-insoluble solvent selected from a group consisting of toluene claim 1 , isopropylbenzene claim 1 , and o-dichlorobenzene.6. (canceled)7. (canceled)8. The method of producing an alkene according to claim 1 , wherein the halogenated alkane is 1 claim 1 ,1-difluoro-1-chloroethane claim 1 , and the step of bringing the liquid phase into contact with the gas phase is a step of producing 1 claim 1 ,1 -difluoroethylene. The present invention relates to a method of producing an alkene.As a method of ...

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Номер записи: 56
18-02-2016 дата публикации

COMPOSITION COMPRISING HF AND 3,3,3-TRIFLUOROPROPENE

Номер: US20160046548A1
Автор: Bonnet Philippe, COLLIER Bertrand, Deur-Bert Dominique, Wendlinger Laurent
Принадлежит: Arkema France

An azeotropic or quasi-azeotropic composition including hydrogen fluoride, 3,3,3-trifluoropropene and one or more (hydro)halogen-carbon compounds including between 1 and 3 carbon atoms. Also, a preferred azeotropic or quasi-azeotropic composition including hydrogen fluoride, 3,3,3-trifluoropropene, and one or more compounds selected from among 1,1,1,2,2-pentafluoropropane, 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoropropene, 3,3,3-trifluoro-2-chloropropene, E-3,3,3-trifluoro-l-chloropropene, trifluoropropyne, 1,1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropene, 1,1,1,2,3-pentafluoropropene and 2-chloro, 1,1,1,2-tetrafluoropropane. 1. An azeotropic or quasi-azeotropic composition comprising hydrogen fluoride , 3 ,3 ,3-trifluoropropene and one or more (hydro)halocarbon compounds comprising between 1 and 3 carbon atoms.2. The composition as claimed in claim 1 , in which the composition comprises hydrogen fluoride claim 1 , 3 claim 1 ,3 claim 1 ,3-trifluoropropene claim 1 , and at least one or more compounds chosen from 1 claim 1 ,1 claim 1 ,1 claim 1 ,2 claim 1 ,2-pentafluoropropane claim 1 , 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene claim 1 , 1 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene claim 1 , 3 claim 1 ,3 claim 1 ,3-trifluoro-2-chloropropene claim 1 , E-3 claim 1 ,3 claim 1 ,3-trifluoro-1-chloropropene claim 1 , trifluoropropyne claim 1 , 1 claim 1 ,1 claim 1 ,1 claim 1 ,3 claim 1 ,3-pentafluoropropane claim 1 , 1 claim 1 ,1 claim 1 ,1 claim 1 ,3 claim 1 ,3-pentafluoropropene claim 1 , 1 claim 1 ,1 claim 1 ,1 claim 1 ,2 claim 1 ,3-pentafluoropropene and 2-chloro-1 claim 1 ,1 claim 1 ,1 claim 1 ,2-tetrafluoropropane.3. The composition as claimed in claim 1 , in which the composition comprises hydrogen fluoride claim 1 , 3 claim 1 ,3 claim 1 ,3-trifluoropropene and at least one or more organic compounds chosen from E-1 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene claim 1 , Z-1 claim 1 ,3 claim 1 ,3 ...

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Номер записи: 57
18-02-2021 дата публикации

AZEOTROPIC COMPOSITIONS COMPRISING HYDROGEN FLUORIDE AND FLUOROCARBONS

Номер: US20210047567A1
Автор: KNAPP JEFFREY P., Muthu Olagappan, Peng Sheng
Принадлежит: THE CHEMOURS COMPANY FC, LLC

The present application discloses compositions comprising hydrogen fluoride and fluorinated compounds (e.g., hydrochlorofluorocarbons), 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. 16-. (canceled)7. A composition comprising ,i) hydrogen fluoride, andii) a compound selected from the group consisting of:2,3-dichlorohexafluoro-2-butene;(E)-2,3-dichlorohexafluoro-2-butene; and(Z)-2,3-dichlorohexafluoro-2-butene;wherein the compound is present in an amount effective to form an azeotrope or an azeotrope-like composition with the hydrogen fluoride.8. The composition of claim 7 , wherein the compound is (E)-2 claim 7 ,3-dichlorohexafluoro-2-butene claim 7 , wherein the (E)-2 claim 7 ,3-dichlorohexafluoro-2-butene is present in an amount effective to form an azeotrope or an azeotrope-like composition with the hydrogen fluoride.9. The composition of claim 8 , wherein the composition has a boiling point of from about 0° C. to about 130° C. at a pressure of from about 5 psia to about 1000 psia.10. The composition of claim 7 , wherein the compound is (Z)-2 claim 7 ,3-dichlorohexafluoro-2-butene claim 7 , wherein the (Z)-2 claim 7 ,3-dichlorohexafluoro-2-butene 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 has a boiling point of from about 0° C. to about 130° C. at a pressure of from about 5 psia to about 1000 psia.12. The composition of claim 7 , wherein the compound is a mixture of (E)-2 claim 7 ,3-dichlorohexafluoro-2-butene and (Z)-2 claim 7 ,3-dichlorohexafluoro-2-butene isomers claim 7 , wherein the mixture of 2 claim 7 ,3-dichlorohexafluoro-2-butene are present in an amount effective to form an azeotrope or an azeotrope-like composition with the hydrogen fluoride.13. The composition of claim 12 , wherein the ...

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Номер записи: 58
19-02-2015 дата публикации

Method for storing tetrafluoropropene and container for storing tetrafluoropropene

Номер: US20150051426A1
Автор: Maki Shigematsu, Masaaki Tsuzaki, Masato Fukushima
Принадлежит: Asahi Glass Co Ltd

To provide a method for stably storing tetrafluoropropene filled in a container for e.g. storage or transportation, without occurrence of reaction such as polymerization. A method for storing tetrafluoropropene in a gaseous-liquid state composed of a gas phase and a liquid phase in a closed container, wherein the oxygen concentration (content) in the above gas phase is adjusted to at least 3 vol ppm and less than 3,000 vol ppm at a temperature of 25° C.

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Номер записи: 59
14-02-2019 дата публикации

METHODS FOR REMOVING HALOGENATED ETHYLENE IMPURITIES IN 2, 3, 3, 3-TETRAFLUOROPROPENE PRODUCT

Номер: US20190047927A1
Автор: Tung Hsueh Sung, WANG HAIYOU
Принадлежит: HONEYWELL INTERNATIONAL INC.

Disclosed is a composition comprised of at least one compound selected from 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoro-1-propene and 1-chloro-3,3,3-trifluoropropene and halogenated impurity selected from the group consisting of HFO-1141 (CH═CHF), HCFO-1140 (CH═CHCl), and HCFO-1131 (CH═CFCl and/or translcis-CHF═CHCl) and combination thereof, said halogenated impurity being present in said composition in an amount of 50 ppm or less. 1. A composition comprised of 2 ,3 ,3 ,3-tetrafluoropropene and a halogenated impurity comprising CH═CFCl , said halogenated impurity being present in said composition in an amount greater than 0 ppm and less than or equal to 50 ppm , wherein 2 ,3 ,3 ,3-tetrafluoropropene is present in said composition in at least 90% by weight.2. The composition according to wherein the hydrogenated impurity is present in said composition in an amount greater than 0 ppm but less than or equal to 20 ppm.3. The composition according to wherein the halogenated impurity is present in said composition in an amount greater than 0 ppm but less than or equal 10 ppm.4. The composition according to wherein one or more compounds selected from CFC□CH claim 1 , HFO-1243zf (CFCH═CH) claim 1 , HFO-1234ze (E/Z-CFCH═CHF) claim 1 , HCFO-1233zd (E/Z-CFCH═CHCl) claim 1 , HCFO-1233xf (CFCCl═CH) and combination thereof is additionally present.5. The composition according to wherein a compound selected from CFC≡CH claim 2 , HFO-1243zf (CFCH═CH) claim 2 , HFO-1234ze (E/Z-CFCH═CHF) claim 2 , HCFO-1233zd (E/Z-CFCH═CHCl) claim 2 , HCFO-1233xf (CFCCl═CH) and combination thereof is additionally present.6. The composition according to wherein a compound selected from CFC≡CH claim 3 , HFO-1243zf (CFCH═CH) claim 3 , HFO-1234ze (E/Z-CFCH═CHF) claim 3 , HCFO-1233zd (E/Z-CFCH═CHCl) claim 3 , HCFO-1233xf (CFCCl═CH) and combination thereof is additionally present.7. The composition according to wherein the compound is HFO-1243zf (CFCH═CH) claim 6 , HFO-1234ze (E/Z-CFCH═CHF) claim 6 , or ...

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Номер записи: 60
25-02-2021 дата публикации

METHOD FOR PRODUCING 1-CHLORO-2,3,3,4,4,5,5-HEPTAFLUORO-1-PENTENE, AND COMPOSITION

Номер: US20210053896A1
Автор: Iwase Takuya, KAWAGUCHI Satoshi, Takagi Hirokazu
Принадлежит: AGC Inc.

To produce, from a composition containing 1-chloro-2,3,3,4,4,5,5-heptafluoro-1-pentene and a substance that may cause problems in reliability and performance, 1-chloro-2,3,3,4,4,5,5-heptafluoro-1-pentene in which the content of the substance has been reduced. This method for producing 1-chloro-2,3,3,4,4,5,5-heptafluoro-1-pentene comprises bringing a composition containing 1-chloro-2,3,3,4,4,5,5-heptafluoro-1-pentene and at least one substance selected from the group consisting of water, 3,3,4,4,5,5-hexafluoro-1-pentyne, 1-chloro-3,3,4,4,5,5-hexafluoro-1-pentyne and an oxide, into contact with a solid adsorbent, to remove the substance from the composition. 1. A method for producing 1-chloro-2 ,3 ,3 ,4 ,4 ,5 ,5-heptafluoro-1-pentene , which comprises bringing a composition containing 1-chloro-2 ,3 ,3 ,4 ,4 ,5 ,5-heptafluoro-1-pentene and at least one substance selected from the group consisting of water , 3 ,3 ,4 ,4 ,5 ,5-hexafluoro-1-pentyne , 1-chloro-3 ,3 ,4 ,4 ,5 ,5-hexafluoro-1-pentyne and an oxide , in contact with a solid adsorbent , to remove the substance from the composition.2. The production method according to claim 1 , wherein the solid adsorbent contains at least one member selected from the group consisting of activated carbon claim 1 , zeolite claim 1 , silica and alumina.3. The production method according to claim 1 , wherein the composition contains water claim 1 , and the solid adsorbent contains zeolite.4. The production method according to claim 1 , wherein the composition contains at least one member selected from the group consisting of 3 claim 1 ,3 claim 1 ,4 claim 1 ,4 claim 1 ,5 claim 1 ,5-hexafluoro-1-pentyne and 1-chloro-3 claim 1 ,3 claim 1 ,4 claim 1 ,4 claim 1 ,5 claim 1 ,5-hexafluoro-1-pentyne claim 1 , and the solid adsorbent contains at least one member selected from the group consisting of activated carbon and silica.5. The production method according to claim 1 , wherein the composition contains an oxide claim 1 , and the solid ...

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Номер записи: 61
10-03-2022 дата публикации

SELECTIVE CATALYTIC DEHYDROCHLORINATION OF HYDROCHLOROFLUOROCARBONS

Номер: US20220072525A1
Автор: Nappa Mario Joseph
Принадлежит:

A dehydrochlorination process is disclosed. The process involves contacting RCHClCHCl with a chromium oxyfluoride catalyst in a reaction zone to produce a product mixture comprising RCCl═CH, wherein Ris a perfluorinated alkyl group. 1. A composition comprising RCCl═CHand a dehydrochlorination catalyst having the formula CrOF , wherein x+y/2=3 , wherein R , is a perfluorination alkyl group.2. The composition according to wherein Ris CF.3. The composition according to wherein Ris CFCF.4. The composition according to wherein HF is additionally present.5. The composition according to wherein an inert gas is additionally present.6. The composition according to wherein the dehydrochlorination catalyst has a surface area of from 10 m/g to 800 m/g.7. The composition according to wherein the dehydrochlorination catalyst contains an alkali metal content of from 2000 parts-per-million or less.8. The composition according to wherein the alkali metal content comprises potassium. This application is a divisional application of U.S. application Ser. No. 16/688,688 filed Nov. 19, 2019, which is a divisional of U.S. application Ser. No. 15/666,770 filed Aug. 2, 2017, which is a continuation of U.S. application Ser. No. 13/397,956 filed Feb. 16, 2012, which claims benefit of U.S. Provisional Application No. 61/444,874 filed Feb. 21, 2011, the entire contents of which are incorporated herein by reference.This disclosure relates in general to the selective catalytic dehydrochlorination of hydrochlorofluorocarbons (HCFCs) to make hydrochlorofluoroolefins (HCFOs). More specifically, the catalyst is a chromium oxyfluoride catalyst.Hydrochlorofluoroolefins (HCFOs), having low ozone depletion potential and low global warming potentials, are regarded as candidates for replacing saturated CFCs (chlorofluorocarbons) and HCFCs (hydrochlorofluorocarbons). HCFOs can be employed in a wide range of applications, including their use as refrigerants, solvents, foam expansion agents, cleaning agents, ...

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Номер записи: 62
01-03-2018 дата публикации

SEPARATION OF (Z)-1-CHLORO-3,3,3-TRIFLUOROPROPENE (HCFO-1233zd(Z)) AND 1-CHLORO-1,3,3,3-TETRAFLUOROPROPANE (HCFC-244fa) BY ADDING A THIRD COMPONENT

Номер: US20180056210A1
Автор: Basu Rajat S., Merkel Daniel C., Pokrovski Konstantin A., Tung Hsueh Sung
Принадлежит:

A method for separating halocarbons and, in particular, a method for separating (Z)-1-chloro-3,3,3-trifluoropropene (HCFO-1233zd(Z), or simply 1233zd(Z)) and 1-chloro-1,3,3,3-tetrafluoropropane (HCFC-244fa, or simply 244fa) via distillation by adding a third component, hydrogen fluoride (HF), forming a binary azeotrope of 1233zd(Z) and HF. The binary 1233zd(Z)/HF azeotrope may then be recovered from the distillation column as an overhead stream which includes only a relatively minor amount of 244fa, while the 244fa may be recovered from the distillation column as a bottoms stream which includes only relatively minor amounts of 1233zd(Z) and HF. 1. A method of separating (Z)-1-chloro-3 ,3 ,3-trifluoropropene (HCFO-1233zd(Z)) and 1-chloro-1 ,3 ,3 ,3-tetrafluoropropane (HCFC-244fa) , comprising the steps of:providing a mixture of 1233zd(Z) and 244fa to a distillation column;adding an amount of hydrogen fluoride (HF) to the distillation column to form an azeotropic or azeotrope-like mixture consisting essentially of 1233zd(Z) and HF;distilling the 244fa and the azeotrope-like mixture of 1233zd(Z) and HF; andrecovering the azeotropic or azeotrope-like mixture of 1233zd(Z) and HF in an overhead stream.2. The method of claim 1 , further comprising claim 1 , after said distilling step claim 1 , the additional step of recovering 244fa in a bottoms stream.3. The method of claim 1 , wherein said step of providing a mixture of 1233zd(Z) and 244fa further comprises providing a mixture of 1233zd(Z) and 244fa having between 5.0 wt. % and 98.0 wt. % 1233zd(Z) and between 2.0 wt. % and 95.0 wt. % 244fa claim 1 , based on a combined weight of 1233zd(Z) and 244fa.4. The method of claim 1 , wherein said step of adding an amount of hydrogen fluoride (HF) further comprises adding between 1.0 wt. % and 34.3 wt. % HF claim 1 , based on a combined weight of 1233zd(Z) claim 1 , 244fa claim 1 , and HF.5. The method of claim 1 , wherein said distilling step is conducted at a pressure between 1 ...

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Номер записи: 63
01-03-2018 дата публикации

Chromium-free catalyst for gas-phase fluorination and application thereof

Номер: US20180057431A1
Автор: BO Wang, Chunying Li, Fei He, Fengxian LI, Hui Ma, Jian Lu, Liangang KOU, Sheng Han, Wei Mao, Wei Zhang, Yangbo MA, Yongmei DU, YUE Qin, Zhenhua Zhang, Zhijun HAO
Принадлежит: Xian Modern Chemistry Research Institute

Disclosed in the present invention are a chromium-free gas phase fluorination catalyst and an application thereof. The precursor of the related chromium-free gas phase fluorination catalyst consists of a compound containing iron element, a compound containing rare earth metal element and a compound containing element A, wherein element A is one selected from Ca, Al, Mg and Ti, the precursor is subjected to roasting and fluorination treating to obtain the chromium-free gas phase fluorination catalyst. The precursor of the catalyst is roasted at 400-500° C. and fluoridized with hydrogen fluoride at 350-450° C. to obtain the chromium-free gas phase fluorination catalyst. The catalyst has characteristics of being chromium-free and environment-friendly, good catalytic activity and long life etc. The catalyst can be used for preparing hydrofluoroolefins or hydrochlorofluoroolefins from halohydrocarbons.

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Номер записи: 64
01-03-2018 дата публикации

PROCESS FOR THE PREPARATION OF FLUOROOLEFIN COMPOUNDS

Номер: US20180057432A1
Автор: Bossoutrot Jean-Michel, SEDAT Pierre-Marie
Принадлежит:

The subject of the invention is a process for the preparation of fluoroolefin compounds. It relates more particularly to a process for manufacturing a (hydro)fluoroolefin compound comprising (i) bringing at least one compound comprising from three to six carbon atoms, at least two fluorine atoms and at least one hydrogen atom, provided that at least one hydrogen atom and one fluorine atom are located on adjacent carbon atoms, into contact with potassium hydroxide in a stirred reactor, containing an aqueous reaction medium, equipped with at least one inlet for the reactants and with at least one outlet, in order to give the (hydro)fluoroolefin compound, which is separated from the reaction medium in gaseous form, and potassium fluoride, (ii) bringing the potassium fluoride formed in (i) into contact, in an aqueous medium, with calcium hydroxide in order to give potassium hydroxide and to precipitate calcium fluoride, (iii) separation of the calcium fluoride precipitated in step (ii) from the reaction medium and (iv) optionally, the reaction medium is recycled after optional adjustment of the potassium hydroxide concentration to step (i). 111-. (canceled)12. A process for the manufacture of a fluoroolefin comprising:(a) dehydrofluorinating a fluoroalkane in the presence of KOH to produce a fluoroalkene;(b) withdrawing a reaction stream comprising spent KOH; and(c) recovering spent KOH.13. The process of wherein the fluoroalkane is comprised of a compound of formula CFCYRCR′XH claim 12 , in which Y represents a hydrogen atom or a halogen atom chosen from fluorine claim 12 , chlorine claim 12 , bromine or iodine and X represents a halogen atom chosen from fluorine claim 12 , chlorine claim 12 , bromine or iodine; n and p are integers and may independently take the value zero claim 12 , 1 or 2 provided that (n+p)=2 claim 12 , and R represents a fluorine atom when R′ represents a hydrogen atom or R represents a hydrogen atom when R′ represents a fluorine atom.14. The ...

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Номер записи: 65
02-03-2017 дата публикации

PRODUCTION METHOD FOR COMPOSITION CONTAINING 1,2-DICHLORO-3,3,3-TRIFLUOROPROPENE (HCFO-1223xd) AND/OR 1,1,2-TRICHLORO-3,3,3-TRIFLUOROPROPENE (CFO-1213xa)

Номер: US20170057891A1
Автор: Daisuke Karube, Shun OHKUBO, Tatsuya TAKAKUWA
Принадлежит: Daikin Industries Ltd

The present invention provides a method that produces a composition containing 1223xd and/or 1213xa by a gas-phase reaction, and that achieves production efficiency higher than known methods. The present invention provides a method for producing a composition containing at least one fluorine-containing olefin selected from 1,2-dichloro-3,3,3-trifluoropropene (HCFO-1223xd) and 1,1,2-trichloro-3,3,3-trifluoropropene (CFO-1213xa), the method comprising subjecting at least one starting compound selected from a chlorine-containing alkane represented by Formula (1-1): CF 3 CHXCHX 2 , wherein each X is independently H or Cl, with the proviso that at least one X represents Cl, and a chlorine-containing alkene represented by Formula (1-2): CF 3 CX═CX 2 , wherein each X is independently H or Cl, with the proviso that at least one X represents Cl, to a gas-phase oxychlorination reaction in a temperature range of 380° C. or lower in the presence of oxidative gas and hydrogen chloride gas.

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Номер записи: 66
20-02-2020 дата публикации

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

Номер: US20200055804A1
Автор: Borowski Ralph John, Labuda Lucas Peter, Perez Willie Josue, Tu Fang Huang, Tung Hsueh Sung, WANG HAIYOU, Welch John L., Zhai Yian
Принадлежит:

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 ...

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Номер записи: 67
05-03-2015 дата публикации

FLUOROSURFACTANTS HAVING IMPROVED BIODEGRADABILITY

Номер: US20150065746A1
Автор: NAIR HARIDASAN K., Nalewajek David, POSS Andrew J., SINGH Rajiv R., Zhai Yian
Принадлежит:

To address the problem of insufficient biodegradability of perfluorinated surfactants, the present invention provides biodegradable fluorosurfactants derived from olefins having —CHR, —CHRf, —CHF, and/or —CHgroups, where R is an alkyl group and Rf is a perfluoro or fluroroalkyl group. Preferably, the —CHR, —CHRf, —CHF, and/or —CHgroups are contained within partially fluorinated alkenes. 1. A fluorosurfactant having the general formula Rf—X—Y , wherein Rf is a perfluorinated alkyl group , X is a fluoroolefin , Y is a neutral group or a hydrophilic group , and wherein the surfactant is biodegradable.2. The fluorosurfactant of claim 1 , wherein X is derived from a partially fluorinated alkene.3. The fluorosurfactant of claim 3 , wherein the partially fluorinated alkene is selected from the group consisting of CF═CFCl claim 3 , CH═CHF claim 3 , CHF═CHF claim 3 , CH═CF claim 3 , CFCH═CHCF claim 3 , CFCF═CFCF claim 3 , CFC═H claim 3 , and (CF)CF—CF═CFCF(HFP dimer).4. The fluorosurfactant of claim 2 , wherein X is derived from a partially fluorinated propene.5. The fluorosurfactant of claim 3 , wherein the partially fluorinated propene is selected from the group consisting of CFCF═CH(HFO-1234yf) claim 3 , CFCH═CHF (HFO-1234ze) claim 3 , CFCF═CHF (HFO-1225yf) claim 3 , CFCH═CHCl (HCFO 1233zd) claim 3 , CFCH═CH claim 3 , CFCH═CF claim 3 , CFCF═CF claim 3 , CFCH≡CH claim 3 , (CF(CF)(CFH)H claim 3 , and hexafluoropropene trimer.6. The fluorosurfactant of claim 1 , which is an anionic surfactant.7. The fluorosurfactant of claim 6 , wherein the anionic surfactant is selected from the group consisting of carboxylates claim 6 , sulfonates claim 6 , sulfates claim 6 , phosphates claim 6 , and mixtures thereof.8. The fluorosurfactant of claim 1 , which is a cationic surfactant.9. The fluorosurfactant of claim 8 , wherein the cationic surfactant is selected from the group consisting of amino claim 8 , amido claim 8 , ammonio claim 8 , sulfonamido salts claim 8 , and mixtures thereof. ...

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Номер записи: 68
17-03-2022 дата публикации

HFO-1234ZE, HFO-1225ZC AND HFO-1234YF COMPOSITIONS AND PROCESSES FOR PRODUCING AND USING THE COMPOSITIONS

Номер: US20220082305A1
Автор: Nappa Mario Joseph, Peng Sheng
Принадлежит: THE CHEMOURS COMPANY FC, LLC

A fluoropropene composition comprising Z-1,3,3,3-tetrafluoropropene, E-1,3,3,3-tetrafluoropropene, 1,1,3,3,3-pentafluoropropene, 2,3,3,3-tetrafluoropropene, and optionally 1,1,1,3,3-pentafluoropropane wherein the 2,3,3,3-tetrafluoropropene being present in an amount of 0.00001 to 1.0%. A method of producing the fluoropropene, methods for using the fluoropropene and the composition formed are also disclosed. 1. A composition comprising Z-1 ,3 ,3 ,3-tetrafluoropropene , E-1 ,3 ,3 ,3 ,-tetrafluoropropene , at least one 1225ye isomer , HFC-1243zf , and 2 ,3 ,3 ,3-tetrafluoropropene , wherein 2 ,3 ,3 ,3-tetrafluoropropene is present and in an amount of less than 1.0 mol % , and optionally less than 1.0 mole % of 1 ,1 ,3 ,3 ,3-pentafluoropropene.2. The composition of claim 1 , wherein the 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene is present in an amount of 0.1 to 0.9 mol %.3. The composition of claim 1 , wherein the 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene is present in an amount of 0.2 to 0.4 mol %.4. The composition of claim 1 , wherein the 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene is present in an amount of 0.3 to 0.4 mol %.5. The composition of claim 1 , wherein the fluoropropene composition additionally comprises one or more of R-143a claim 1 , R-152a claim 1 , TFP claim 1 , R-1233xf claim 1 , R-1233zd(E) claim 1 , R-1233zd(Z) 1224yd claim 1 , 1224zc claim 1 , 1326mxz claim 1 , 113 claim 1 , 32 claim 1 , 23 claim 1 , trifluoro propyne claim 1 , 356mff claim 1 , 1326mxz claim 1 , HFC-245fa claim 1 , HFC-245cb claim 1 , 1234zc claim 1 , 1234yc claim 1 , 1234ye claim 1 , 134a claim 1 , 114 claim 1 , 124 claim 1 , and 236fa.6. The composition of claim 5 , wherein the sum total of the amounts of R-143a claim 5 , R-152a claim 5 , TFP claim 5 , R-1233xf claim 5 , R-1233zd(E) claim 5 , R-1233zd(Z) claim 5 , 1224yd claim 5 , 1224zc claim 5 , 1326mxz claim 5 , 113 claim 5 , 32 claim 5 , 23 claim 5 , trifluoro propyne claim 5 , 356mff claim ...

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Номер записи: 69
08-03-2018 дата публикации

Dry Etching Gas and Dry Etching Method

Номер: US20180066187A1
Автор: FUJIWARA Masaki, NAKAMURA Yosuke, OOMORI Hiroyuki, Yao Akifumi
Принадлежит:

What is disclosed is a dry etching gas containing 1,3,3,3-tetrafluoropropene, wherein 1,3,3,3-tetrafluoropropene has purity of 99.5 mass % or more, and a total of concentration of each mixed metal component of Fe, Ni, Cr, Al, and Mo is 500 mass ppb or less. Furthermore, regarding to the dry etching gas, it is preferable that a content of nitrogen is 0.5 volume % or less, and that a content of water is 0.05 mass % or less. In a dry etching with a plasma gas obtained by making a dry etching gas into plasma, the dry etching gas of the present invention can improve etching selectivity of silicon-based material with respect to a mask. 1. A dry etching gas containing 1 ,3 ,3 ,3-tetrafluoropropene , wherein 1 ,3 ,3 ,3-tetrafluoropropene has purity of 99.5 mass % or more , and a total of concentrations of each metal component of Fe , Ni , Cr , Al , and Mo in 1 ,3 ,3 ,3-tetrafluoropropene is 500 mass ppb or less.2. The dry etching gas as claimed in claim 1 , wherein a content of nitrogen is 0.5 volume % or less.3. The dry etching gas as claimed in claim 1 , a content of water is 0.05 mass % or less.4. The dry etching gas as claimed in claim 1 , wherein the total of concentrations of each metal component is 300 mass ppb or less.5. The dry etching gas as claimed in claim 1 , wherein each metal component is derived from a metal catalyst used in a synthesis reaction of 1 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene or metal facilities used in manufacturing.6. The dry etching gas as claimed in claim 1 , wherein the dry etching gas further contains an additive gas and an inert gas.7. The dry etching gas as claimed in claim 6 , wherein the additive gas is an oxidized gas.8. The dry etching gas as claimed in claim 1 , wherein the dry etching gas selectively etches at least one silicon-based material selected from a group consisting of silicon oxide claim 1 , silicon nitride claim 1 , and silicon oxynitride with respect to a mask.9. A vessel with a valve charged with the dry ...

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Номер записи: 70
11-03-2021 дата публикации

METHOD FOR PRODUCING TETRAFLUOROETHYLENE AND/OR HEXAFLUOROPROPYLENE

Номер: US20210070679A1
Автор: Hirai Mai, Nakaya Hideki, Noguchi Atsushi, OHTA Toshihiko, Yasuhara Takashi
Принадлежит: DAIKIN INDUSTRIES, LTD.

A process for producing one or both of tetrafluoroethylene and hexafluoropropylene, which includes pyrolyzing a low molecular weight fluorine compound by continuous reaction in a microreactor. 1. A process for producing at least one of tetrafluoroethylene and hexafluoropropylene , comprising:pyrolyzing a low molecular weight fluorine compound by continuous reaction in a microreactor.2. The process according to claim 1 , wherein the low molecular weight fluorine compound has a carbon chain having 4 to 28 carbon atoms.3. The process according to claim 1 , wherein the low molecular weight fluorine compound has a carbon chain having 4 to 18 carbon atoms.4. The process according to claim 1 , wherein the low molecular weight fluorine compound is a perfluoroalkene.5. The process according to claim 1 , wherein the pyrolysis is performed in the temperature range of 620° C. to 720° C.6. The process according to claim 1 , wherein a diameter of the microreactor is 1 mm to 20 mm.7. The process according to claim 1 , wherein the pyrolysis is performed in the condition of mixing the low molecular weight fluorine compound and an inert gas. This is a continuation application under 37 C.F.R. § 1.53(b) of PCT/JP2019/019722 filed May 17, 2019, which claims priority from Japanese Patent Application No. 2018-096506 filed May 18, 2018, incorporated herein by reference in its entirety.The present disclosure relates to a process for producing tetrafluoroethylene and/or hexafluoropropylene.The pyrolysis of a perfluoroalkane is known as a method for producing tetrafluoroethylene and hexafluoropropylene (Patent Literature 1). In Patent Literature 1, a perfluoroalkane was added to a cylindrical container, heated and pyrolyzed to obtain tetrafluoroethylene and hexafluoropropylene.Patent Literature 1: Japanese Patent Laid-Open No. 2016-13994The method of Patent Literature 1 has a problem that the conversion ratio and the selection ratio from a perfluoroalkane to tetrafluoroethylene and ...

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Номер записи: 71
15-03-2018 дата публикации

Process for Making 2,3,3,3-Tetrafluoropropene and/or Vinylidene Fluoride

Номер: US20180072642A1
Автор: BANAVALI RAJIV, NAIR HARIDASAN K., Zhai Yian
Принадлежит:

Disclosed is a process for the formation of a mixture of the compounds 2,3,3,3-tetrafluoropropene (HFO-1234yf) and vinylidene fluoride, comprising pyrolyzing 1,1,2-trifluoro-2-trifluoro-methyl-cyclobutane under conditions effective to produce a reaction product comprising HFO-1234yf and vinylidene fluoride in a 1234yf:vinylidene fluoride molar ratio of from about 0.5 to about 1.2. 1. A process for the formation of a mixture of the compounds 2 ,3 ,3 ,3-tetrafluoropropene (HFO-1234yf) and vinylidene fluoride , comprising pyrolyzing 1 ,1 ,2-trifluoro-2-trifluoro-methyl-cyclobutane under conditions effective to produce a reaction product comprising HFO-1234yf and vinylidene fluoride in a 1234yf:vinylidene fluoride molar ratio of from about 0.5 to about 1.2.2. The process of claim 1 , wherein the pyrolysis is conducted at a temperature in the range of from about 750° C. to about 800° C. and for a contact time of from about 2 seconds to about 25 seconds and at a pressure of about 1 atm.3. The process of claim 1 , wherein the pyrolysis is conducted in a stainless steel tube reactor and wherein the reaction is quenched by cooling as it comes out of the reactor.4. The process of claim 1 , wherein the pyrolysis provides a yield in the range of about 80% to about 90%.5. The process of claim 1 , wherein the pyrolysis provides a conversion rate of about 70%.6. The process of claim 1 , wherein the pyrolysis is conducted in a batch mode.7. The process of claim 1 , wherein the pyrolysis is conducted in a continuous mode.8. The process of claim 1 , further comprising the step of separating the mixture of the compounds 1234yf and vinylidene fluoride.9. The process of claim 1 , further comprising the step of forming the compound 1 claim 1 ,1 claim 1 ,2-trifluoro-2-trifluoromethyl-cyclobutane (TFMCB) by the thermal dimerization a mixture of hexafluoro-propene (HFP) and a stoichiometric excess of ethylene claim 1 , in the presence of a polymerization or oligomerization inhibitor.10. The ...

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Номер записи: 72
19-03-2015 дата публикации

Methods for making foams using blowing agents comprising unsaturated fluorocarbons

Номер: US20150080485A1
Автор: Allen Capron Sievert, Ekaterina N Swearingen, Joseph Anthony Creazzo, Mario Joseph Nappa
Принадлежит: Chemours Co FC LLC

Disclosed herein are blowing agents comprising fluorocarbons and/or hydrofluorocarbons useful in foamable compositions. Also disclosed are methods for forming a foam comprising the aforementioned blowing agents.

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Номер записи: 73
14-03-2019 дата публикации

LIQUID PHASE PROCESS FOR PREPARING (E)-1,1,1,4,4,4-HEXAFLUOROBUT-2-ENE

Номер: US20190077733A1
Автор: Brandstadter Stephan, Jackson Andrew, Nappa Mario Joseph, Peng Sheng
Принадлежит:

Disclosed herein are methods of producing E-CFCH═CHCFin a liquid phase. Also disclosed are methods of preparing CFCHCHClCFand CFCHClCHCCl. 1. A process for preparing E-CFCH═CHCF , comprising:{'sub': 3', '2', '3', '3', '3, 'treating CFCHCHClCFwith an effective amount of a base to form a mixture comprising the E-CFCH═CHCF,'}wherein the process is a liquid phase process.2. The process of claim 1 , wherein the mixture further comprises one or more of hexafluoroisobutylene (1336mt) claim 1 , 1 claim 1 ,1 claim 1 ,1 claim 1 ,4 claim 1 ,4 claim 1 ,4-hexafluorobutane (356mff) claim 1 , (E)-1-chloro-1 claim 1 ,1 claim 1 ,4 claim 1 ,4 claim 1 ,4-pentafluorobut-2-ene (1335lzz) claim 1 , and Z—CFCH═CHCF.3. The process of claim 1 , wherein the base is selected from the group consisting of lithium hydroxide claim 1 , lithium oxide claim 1 , sodium hydroxide claim 1 , sodium oxide claim 1 , potassium hydroxide claim 1 , potassium oxide claim 1 , rubidium hydroxide claim 1 , rubidium oxide claim 1 , cesium hydroxide claim 1 , cesium oxide claim 1 , calcium hydroxide claim 1 , calcium oxide claim 1 , strontium hydroxide claim 1 , strontium oxide claim 1 , barium hydroxide claim 1 , and barium oxide.4. The process of claim 3 , wherein the base is potassium hydroxide or sodium hydroxide.5. The process of claim 1 , wherein the base is in an aqueous solution of from about 4 M to about 12 M.6. The process of claim 1 , wherein the process is performed in the presence of a phase transfer catalyst selected from the group consisting of a quaternary ammonium salt claim 1 , a heterocyclic ammonium salt claim 1 , an organic phosphonium salt claim 1 , and a nonionic compound.7. The process of claim 6 , wherein the phase transfer catalyst is selected from the group consisting of benzyltrimethylammonium chloride claim 6 , benzyltriethylammonium chloride claim 6 , methyltricaprylammonium chloride claim 6 , methyltributylammonium chloride claim 6 , methyltrioctylammonium chloride claim 6 , ...

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Номер записи: 74
14-03-2019 дата публикации

Azeotropic Compositions Comprising Hydrogen Fluoride and Fluorocarbons

Номер: US20190077734A1
Автор: Knapp Jeffrey, Peng Sheng
Принадлежит:

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 ...

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Номер записи: 75
24-03-2016 дата публикации

AZEOTROPIC COMPOSITIONS OF 1,3,3,3-TETRACHLOROPROP-1-ENE AND HYDROGEN FLUORIDE

Номер: US20160083317A1
Автор: HULSE RYAN, Merkel Daniel C., Pokrovski Konstantin A., Tung Hsueh Sung, WANG HAIYOU
Принадлежит:

Provided are azeotropic or azeotrope-like mixtures of 1,3,3,3-tetrachloroprop-1-ene (HCO-1230zd) and hydrogen fluoride. Such compositions are useful as a feed stock in the production of HFC245fa and HCFO1233zd. 1. An azeotropic or azeotrope-like composition consisting essentially of 1 ,3 ,3 ,3-tetrachloroprop-1-ene (HCO-1230zd) and hydrogen fluoride.2. The composition of claim 1 , which consists essentially of from about 1 to about 99 weight percent hydrogen fluoride and from about 99 to about 1 weight percent 1 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrachloroprop-1-ene (HCO-1230zd) claim 1 , which composition has a boiling point of about from 0° C. claim 1 , at pressure of about from 13.3 psia.3. The composition of claim 1 , which consists essentially of from about 90 weight percent to about 10 weight percent hydrogen fluoride.4. The composition of claim 1 , which consists essentially of from about 70 weight percent to about 15 weight percent hydrogen fluoride.5. The composition of claim 1 , which consists essentially of from about 10 weight percent to about 90 weight percent 1 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrachloroprop-1-ene (HCO-1230zd).6. The composition of claim 1 , which consists essentially of from about 30 weight percent to about 85 weight percent 1 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrachloroprop-1-ene (HCO-1230zd).7. The composition of claim 1 , which consists essentially of from about 0.2 to about 97 weight percent hydrogen fluoride and from about 99.8 to about 3 weight percent 1 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrachloroprop-1-ene (HCO-1230zd) claim 1 , which composition has a boiling point of about 0° C. claim 1 , at pressure of about 13.3 psia.8. An azeotropic or azeotrope-like composition comprising effective amounts of 1 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrachloroprop-1-ene (HCO-1230zd) and hydrogen fluoride.9. The composition of claim 8 , which consists essentially of from about 1 to about 99 weight percent hydrogen fluoride and from about 99 ...

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Номер записи: 76
31-03-2022 дата публикации

HIGH-PURITY 1,1,1,2,3,3-HEXAFLUOROPROPANE, METHOD FOR PRODUCING SAME AND USE THEREOF

Номер: US20220098132A1
Автор: Deur-Bert Dominique, Wendlinger Laurent
Принадлежит:

The present invention relates to a method for producing high-purity 1,1,1,2,3,3-hexafluoropropane and a composition containing mainly 1,1,1,2,3,3-hexafluoropropane, suitable for use as a cleaning agent in the semiconductor industry. 1. A composition comprising at least 99.4% by weight of 1 ,1 ,1 ,2 ,3 ,3-Hexafluoropropane (HFC-236ea) , and one or more compounds selected from the group consisting of 2 ,3 ,3 ,3-tetrafluoropropene (HFO-1234yf) , cis/trans-1 ,3 ,3 ,3-tetrafluoropropene (HFO-1234ze(Z/E)) , 3 ,3 ,3-trifluoropropene (HFO-1243zf) , 1 ,1 ,1 ,2 ,3 ,3 ,3-peptafluoropropane (HFC-227ea) , 1 ,1 ,1 ,3 ,3 ,3-hexafluoropropane (HFC-236fa) , 1 ,1 ,1 ,3 ,3-pentafluoropropane (HFC-245fa) , 1 ,1 ,1 ,2 ,3-pentafluoropropane (HFC-245eb) , 1 ,1 ,1 ,2-tetrafluoropropane (HFC-254eb) , 1 ,1 ,1 ,3-tetrafluoropropane (HFC-254fb) , 1 ,1 ,1-trifluoropropane (HFC-263fb) , 1 ,1 ,2-trifluoroethane (HFC-143) , hexafluorocyclopropane (cyclo-CF) , octafluorocyclobutane (cyclo-C4F8) , cis/trans-1 ,1 ,1 ,4 ,4 ,4-hexafluoro-2-butene (HFO-356mff(Z/E)) , hydrogen , nitrogen , oxygen , CO2 , and CO , wherein the one or more compounds is present in the composition in an amount of at most 0.6% by weight.2. The composition of claim 1 , comprising at least 99.7% by weight of 1 claim 1 ,1 claim 1 ,1 claim 1 ,2 claim 1 ,3 claim 1 ,3-Hexafluoropropane (HFC-236ea) and wherein the one or more compounds are selected from the group consisting of 1 claim 1 ,1 claim 1 ,1 claim 1 ,2 claim 1 ,3 claim 1 ,3 claim 1 ,3-peptafluoropropane (HFC-227ea) claim 1 , 1 claim 1 ,1 claim 1 ,1 claim 1 ,3 claim 1 ,3 claim 1 ,3-hexafluoropropane (HFC-236fa) claim 1 , 1 claim 1 ,1 claim 1 ,1 claim 1 ,3 claim 1 ,3-pentafluoropropane (HFC-245fa) claim 1 , 1 claim 1 ,1 claim 1 ,1 claim 1 ,2 claim 1 ,3-pentafluoropropane (HFC-245eb) claim 1 , 1 claim 1 ,1 claim 1 ,1 claim 1 ,2-tetrafluoropropane (HFC-254eb) claim 1 , 1 claim 1 ,1 claim 1 ,1-trifluoropropane (HFC-263fb) claim 1 , and cis/trans-1 claim 1 ,1 claim 1 ,1 claim 1 ,4 ...

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Номер записи: 77
21-03-2019 дата публикации

PROCESS FOR DRYING A GAS STREAM COMPRISING 2,3,3,3 TETRAFLUOROPROPENE

Номер: US20190083927A1
Автор: CORR Stuart, Low Robert Elliott
Принадлежит: MEXICHEM AMANCO HOLDING S.A. DE C.V.

A method of drying a fluid comprising a fluoropropene, which method comprises the step of contacting the fluid with a desiccant comprising a molecular sieve having openings which have a size across their largest dimension of from about 3 Å to about 5 Å. A heat transfer device comprising a heat transfer fluid comprising a fluoropropene, and a desiccant comprising a molecular sieve having openings which have a size across their largest dimension of from about 3 Å to about 5 Å. Preferably, the fluoropropene is R134yf or R-1225ye. 1. A method of drying a fluid comprising a fluoropropene and water , the method comprising contacting the fluid with a desiccant comprising a molecular sieve having openings which have a size across their largest dimension of from about 3 Å to 5 Å , wherein at least 79% by weight of the water is separated from the fluoropropene when contacting the fluid with the desiccant.2. The method according to claim 1 , wherein at least 84% by weight of the water is separated from the fluoropropene.3. The method according to wherein the molecular sieve has openings which have a size across their largest dimension of from about 3 Å to about 4 Å.4. The method according to wherein the molecular sieve has openings which have a size across their largest dimension of about 4 Å.5. The method according to claim 1 , wherein the fluoropropene is a tetrafluoropropene.6. The method according to claim 1 , wherein the fluoropropene is R-1234yf.7. The method according to wherein the fluid comprises at least one additional refrigerant component.8. The method according to wherein the at least one additional refrigerant component is selected from the group consisting of CFI claim 7 , R-134a and R-152a.9. The method according to wherein the fluid further comprises a lubricant selected from esters claim 1 , PAGs claim 1 , PVEs claim 1 , mineral oils and synthetic hydrocarbons.10. The method according to claim 1 , wherein the fluid further comprises acids claim 1 , and ...

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Номер записи: 78
21-03-2019 дата публикации

NOVEL PROCESS FOR MANUFACTURING 2-CHLORO-3,3,3-TRIFLUOROPROPENE FROM 1,2-DICHLORO-3,3,3-TRIFLUOROPROPENE

Номер: US20190084905A1
Автор: Tung Hsueh Sung, WANG HAIYOU
Принадлежит: HONEYWELL INTERNATIONAL INC.

The present disclosure relates to a process for preparing 2-chloro-3,3,3-trifluorpropene comprising: (a) hydrogenating 1,2-dichloro-3,3,3-trifluoropropene in the presence of a hydrogenation catalyst to form 1,1,1-trifluoro-2,3-dichloropropane and (b) dehydrochlorinating 1,1,1-trifluoro-2,3-dichloropropane in the presence of a dehydrochlorination catalyst to form 2-chloro-3,3,3-trifluorpropene. 1. A process for preparing 2-chloro-3 ,3 ,3-trifluorpropene comprising:(a) hydrogenating 1,2-dichloro-3,3,3-trifluoropropene in the presence of a hydrogenation catalyst to form 1,1,1-trifluoro-2,3-dichloropropane and(b) dehydrochlorinating 1,1,1-trifluoro-2,3-dichloropropane in the presence of a dehydrochlorination catalyst to form 2-chloro-3,3,3-trifluorpropene.2. The process according to wherein the hydrogenation catalyst is a metal selected from palladium claim 1 , platinum claim 1 , rhodium claim 1 , iron claim 1 , cobalt claim 1 , nickel claim 1 , and copper claim 1 , which metal is unsupported or supported3. The process according to wherein the hydrogenation catalyst is supported on oxyfluoride of Al claim 1 , Cr claim 1 , Ti claim 1 , Zr claim 1 , or Mg or on fluorides of Al claim 1 , Cr claim 1 , Ti claim 1 , Zr claim 1 , or Mg.4. The process according to wherein the hydrogenation was conducted at a temperature ranging from about 50° C. to about 350° C.5. The process according to where conducted at a temperature ranging from about 100° C. to about 250° C.6. The process according to wherein the dehydrochlorination catalyst is a carbon solid selected from graphite claim 1 , carbon black claim 1 , activated carbon or three-dimensional matrix of carbonaceous material.7. The method according to wherein the dehydrochorination catalyst is a metal halide wherein the metal is lithium claim 1 , sodium claim 1 , potassium claim 1 , cesium claim 1 , magnesium claim 1 , calcium claim 1 , strontium claim 1 , barium claim 1 , iron claim 1 , cobalt claim 1 , nickel claim 1 , copper ...

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Номер записи: 79
05-05-2022 дата публикации

HYDROFLUOROOLEFINS AND METHODS OF USING SAME

Номер: US20220135503A1
Автор: Bulinski Michael J., Toso Nicholas A.
Принадлежит:

A hydrofluoroolefin compound is represented by the following general formula (I): where R1 is a hydrogen atom or CH, and (iii) R1 is a linear or branched perfluorinated alkyl group having 1 to 10 carbon atoms and optionally including one or more catenated heteroatoms; and R2 is a fluorine atom or a linear or branched perfluorinated alkyl group having 1 to 8 carbon atoms and optionally including one or more catenated heteroatoms; with the proviso that when RF2 is a fluorine atom, then RF1 includes at least 2 carbon atoms; or (iv) R1 and R2 are bonded together to form a ring structure having 4 to 8 carbon atoms and optionally including one or more catenated heteroatoms.

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Номер записи: 80
05-05-2022 дата публикации

FLUOROETHYLENE COMPOSITION

Номер: US20220135504A1
Автор: GOTOU Tomoyuki, OHKUBO Shun, WATANABE Yuka
Принадлежит: DAIKIN INDUSTRIES, LTD.

Provided is a composition that contains a fluoroethylene having one or more fluorine atoms, the composition having excellent stability of the fluoroethylene. The fluoroethylene composition of the present disclosure contains a fluoroethylene having one or more fluorine atoms, water, and oxygen, the composition having a water content of 100 mass ppm or less based on the mass of the fluoroethylene, and an oxygen content of 0.35 mol % or less based on the fluoroethylene. The fluoroethylene composition has excellent stability of fluoroethylene.

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Номер записи: 81
19-03-2020 дата публикации

CATALYST AND PROCESS USING THE CATALYST FOR MANUFACTURING FLUORINATED HYDROCARBONS

Номер: US20200086299A1
Автор: McGUINNESS CLAIRE EEIZABETH, REES CLAIRE NICOLA, Sharratt Andrew Paul
Принадлежит: MEXICHEM FLUOR S.S. DE C.V.

A catalyst comprising one or more metal oxides, wherein the catalyst has a total pore volume equal to or greater than 0.3 cm/g and a mean pore diameter greater than or equal to 90 Å, where in the pore volume is measured using Nadsorption porosimetry and the mean pore diameter is measured using NBET adsorption porosimetry. 1. A catalyst comprising one or more metal oxides , wherein the catalyst has a total pore volume equal to or greater than 0.3 cm/g and a mean pore diameter greater than or equal to 90 Å , where in the pore volume is measured using Nadsorption porosimetry and the mean pore diameter is measured using NBET adsorption porosimetry.2. A catalyst according to claim 1 , wherein the total pore volume is equal to or greater than 0.4 cm/g.3. A catalyst according to claim 1 , wherein the average pore width of the catalyst is greater than or equal to 100 Å when measured by NBET adsorption porosimetry.4. A catalyst according to claim 1 , wherein the average pore width of the catalyst is greater than or equal to 130 Å when measured by NBJH adsorption porosimetry.5. A catalyst according to claim 1 , wherein the average pore width of the catalyst is greater than or equal to 90 Å when measured by NBJH desorption porosimetry.6. A catalyst according to provided in the form of pellet or pellets comprising a plurality of catalyst particles.7. A catalyst according to claim 6 , wherein the pellets comprise graphite.8. A catalyst according to claim 6 , wherein the pellets have a longest dimension from about 1 mm to about 100 mm.9. A catalyst according to claim 1 , wherein the metal is a transition metal.10. A catalyst according to claim 9 , wherein the transition metal comprises chromium.11. A catalyst according to claim 9 , wherein the transition metal comprises zinc.12. A catalyst according to which comprises at least 80 wt % chromia.13. A catalyst according to claim 1 , wherein the catalyst is unused.14. A method of preparing a catalyst as defined in claim 1 , ...

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Номер записи: 82
19-03-2020 дата публикации

Selective catalytic dehydrochlorination of hydrchlorofluorocarbons

Номер: US20200086308A1
Автор: Mario Joseph Nappa
Принадлежит: Chemours Co FC LLC

A dehydrochlorination process is disclosed. The process involves contacting RfCHClCH2Cl with a chromium oxyfluoride catalyst in a reaction zone to produce a product mixture comprising RfCCl═CH2, wherein Rf is a perfluorinated alkyl group.

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Номер записи: 83
19-03-2020 дата публикации

SOLVENT COMPOSITION, CLEANING METHOD, METHOD OF FORMING A COATING FILM, HEAT TRANSFER FLUID, AND HEAT CYCLE SYSTEM

Номер: US20200087231A1
Автор: Fujimori Atsushi, Ichinokawa Mari, MITSUOKA Hiroaki, Nakamura Masahiko, Okamoto Hidekazu
Принадлежит: AGC Inc.

There are provided: a solvent composition which is excellent in solubility of various organic substances and excellent in detergency, and has no adverse effect on a global environment, is excellent in stability, and is capable of suppressing corrosion of metal; a cleaning method using the solvent composition; a method of forming a coating film; a heat transfer fluid including the solvent composition; and a heat cycle system using the heat transfer fluid. A solvent composition including HCFO-1233yd and HCFC-244ca, in which a content of HCFC-244ca to a total of HCFO-1233yd and HCFC-244ca is 0.0001 to 1 mass %, a cleaning method of contacting the solvent composition with an article, a method of forming a coating film consisting of the nonvolatile organic compound using the solvent composition and a nonvolatile organic compound, a heat transfer fluid including the solvent composition, and a heat cycle system using the heat transfer fluid. 1. A solvent composition comprising 1-chloro-2 ,3 ,3-trifluoro-1-propene and 1-chloro-2 ,2 ,3 ,3-tetrafluoropropane , in whicha proportion of a content of 1-chloro-2,2,3,3-tetrafluoropropane to a total of a content of 1-chloro-2,3,3-trifluoro-1-propene and a content of 1-chloro-2,2,3,3-tetrafluoropropane is 0.0001 to 1 mass %.2. The solvent composition according to claim 1 , wherein a proportion of a content of 1-chloro-2 claim 1 ,3 claim 1 ,3-trifluoro-1-propene to a total amount of the solvent composition is 80 mass % or more.3. The solvent composition according to claim 1 , wherein the 1-chloro-2 claim 1 ,3 claim 1 ,3-trifluoro-1-propene consists of (Z)-1-chloro-2 claim 1 ,3 claim 1 ,3-trifluoro-1-propene and (E)-1-chloro-2 claim 1 ,3 claim 1 ,3-trifluoro-1-propene claim 1 , and a proportion of a content of (Z)-1-chloro-2 claim 1 ,3 claim 1 ,3-trifluoro-1-propene to a total amount of 1-chloro-2 claim 1 ,3 claim 1 ,3-trifluoro-1-propene is 80 to 100 mass %.4. A cleaning method comprising bringing the solvent composition according to ...

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Номер записи: 84
05-04-2018 дата публикации

E-1-CHLORO-3,3,3-TRIFLUOROPROPENE PRODUCTION PROCESS FROM 1,1,3,3-TETRACHLOROPROPENE

Номер: US20180093934A1
Автор: Bonnet Philippe, COLLIER Bertrand, Pigamo Anne, WISMER John
Принадлежит: Arkema France

A production process for the production of E-1-chloro-3,3,3-trifluoropropene, the process including at least one stage during which 1,3,3,3-tetrachloropropene reacts with anhydrous hydrofluoric acid in the liquid phase, in the absence of a catalyst, with an HF/1,1,3,3- tetrachloropropene molar ratio between 3 and 20 inclusive, at a temperature between 50° C. and 150° C. inclusive and an absolute pressure of between 1 and 20 bar inclusive. 1. A production process for the production of E-1-chloro-3 ,3 ,3-trifluoropropene , the process comprising at least one stage during which 1 ,3 ,3 ,3- tetrachloropropene reacts with anhydrous hydrofluoric acid in the liquid phase , in the absence of a catalyst , with an HF/1 ,1 ,3 ,3- tetrachloropropene molar ratio between 3 and 20 inclusive , at a temperature between 50° C. and 150° C. inclusive and an absolute pressure of between 1 and 20 bar inclusive.2. A production process for the production of E-1-chloro-3 ,3 ,3-trifluoropropene , the process comprising:(i) at least one stage during which 1,1,3,3-tetrachloropropene reacts with anhydrous hydrofluoric acid in the liquid phase in a reactor equipped with a drain and an effluent outlet;(ii) at least one stage for treating the effluent from the reactor in order to provide a flow A that comprises E-1-chloro-3,3,3-trifluoropropene, HCl, HF and Z-1-chloro-3,3,3-trifluoropropene and a flow B that comprises at least 50% HF in weight;(iii) at least one stage for recovering the hydrochloric acid from flow A, the hydrochloric acid being in flow C and flow D that includes E-1-chloro-3,3,3-trifluoropropene, HCl, HF and Z-1-chloro-3,3,3-trifluoropropene;(iv) at least one stage for purifying flow D from stage (iii) in order to purify the E-1233zd to a level higher than or equal to 98% in weight.3. The production process of claim 2 , the process comprises a drainage stage claim 2 , wherein drainage collected in the reactor drain is claim 2 , after treatment claim 2 , recycled back to the ...

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Номер записи: 85
05-04-2018 дата публикации

COMPOSITION CONTAINING HYDROFLUOROOLEFIN COMPOUND

Номер: US20180093935A1
Автор: Chaki Takehiro, Karube Daisuke
Принадлежит: DAIKIN INDUSTRIES, LTD.

The present invention provides a composition comprising an HFO compound, the composition having excellent stability with decomposition and oxidation of the HFO compound being inhibited, the composition having improved refrigerating capacity when used as a heat transfer medium, compared with the case in which an HFO compound is used alone. More specifically, the present invention provides a composition comprising at least one HFO compound selected from the group consisting of HFO-1234yf, (E-/Z-)HFO-1234ze, and (E-/Z-)HFO-1225ye; and a chlorine-containing compound, wherein (1) the chlorine-containing compound is at least one member selected from the group consisting of CH=CHCl, CHF=CHCl, CH=CFCl, CFCl, CHCl, CFCHCl, CClF=CHCl, and CHF=CCl, and (2) the chlorine-containing compound is contained in an amount ranging from 1 to 500000 mass ppm. 2. The composition according to claim 1 , wherein the chlorine-containing compound is at least one member selected from CH=CHCl claim 1 , CHF=CHCl claim 1 , and CH=CFCl claim 1 , and the chlorine-containing compound is contained in an amount of more than 6 mass ppm and 500000 mass ppm or less.3. The composition according to claim 1 , wherein the chlorine-containing compound is at least one member selected from CH=CHCl claim 1 , CHF=CHCl claim 1 , and CH=CFCl claim 1 , and the chlorine-containing compound is contained in an amount of 10000 to 400000 mass ppm.4. The composition according to claim 1 , wherein the chlorine-containing compound is at least one member selected from CH=CHCl claim 1 , CHF=CHCl claim 1 , and CH=CFCl claim 1 , and the chlorine-containing compound is contained in an amount of 100000 to 300000 mass ppm.5. The composition according to claim 1 , wherein a mixture of the HFO compound and the chlorine-containing compound is an azeotrope or azeotrope-like mixture.6. The composition according to claim 1 , wherein a mixture of the HFO compound and at least one chlorine-containing compound selected from CH=CHCl claim 1 ...

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Номер записи: 86
26-06-2014 дата публикации

AZEOTROPE-LIKE COMPOSITIONS COMPRISING 1-CHLORO-3,3,3-TRIFLUOROPROPENE

Номер: US20140178312A1
Автор: Basu Rajat, Bement Leslie, COOK KANE, HULSE RYAN, Knopeck Gary, Pham Hang T., SINGH Rajiv R., Williams David J.
Принадлежит: HONEYWELL INTERNATIONAL INC.

An azeotrope-like mixture consisting essentially of chlorotrifluoropropene and at least one component selected from the group consisting of a C-Calcohol, a C-Chydrocarbon, a halogenated hydrocarbon, methylal, methyl acetone, water, nitromethane, and combinations thereof. 1. A composition comprising a ternary azeotrope-like mixture consisting essentially of 1-chloro-3 ,3 ,3-trifluoropropene , trans-1 ,2-dichloroethylene and a third component selected from the group consisting of methanol , ethanol , n-pentane and isohexane.2. The composition of wherein 1-chloro-3 claim 1 ,3 claim 1 ,3-trifluoropropene is provided as the trans isomer.3. The composition of wherein trans-1-chloro-3 claim 2 ,3 claim 2 ,3-trifluoropropene is provided in an amount from about 80 to about 99.9 wt. % claim 2 , methanol is provided in an amount from about 0.05 to about 15 wt. % claim 2 , and trans-1 claim 2 ,2-dichloroethylene is provided in an amount from about 0.05 to about 10 wt. %.4. The composition of wherein trans-1-chloro-3 claim 2 ,3 claim 2 ,3-trifluoropropene is provided in an amount from about 85 to about 99 wt. % claim 2 , n-pentane is provided in an amount from about 2.0 to about 4.5 wt. % claim 2 , and trans-1 claim 2 ,2-dichloroethylene is provided in an amount from about 0.01 to about 13 wt. %.5. The composition of wherein 1-chloro-3 claim 1 ,3 claim 1 ,3-trifluoropropene is provided as the cis isomer.6. The composition of wherein cis-1-chloro-3 claim 5 ,3 claim 5 ,3-trifluoropropene is provided in an amount from about 60 to about 80 wt. % claim 5 , isohexane is provided in an amount from greater than 0.0 to about 20 wt. % claim 5 , and trans-1 claim 5 ,2-dichloroethylene is provided in an amount from about 20 to about 35 wt. %.7. The composition of wherein cis-1-chloro-3 claim 5 ,3 claim 5 ,3-trifluoropropene is provided in an amount from about 60 to about 80 wt. % claim 5 , ethanol is provided in an amount from greater than 0.0 to about 20 wt. % claim 5 , and trans-1 claim 5 ...

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Номер записи: 87
08-04-2021 дата публикации

Method for producing and purifying 2,3,3,3-tetrafluoro-1-propene

Номер: US20210101854A1
Автор: BABA-AHMED Abdelatif, COLLIER Bertrand, Deur-Bert Dominique, Wendlinger Laurent
Принадлежит:

The invention relates to a method for producing and purifying 2,3,3,3-tetrafluoro-1-propene using a first composition comprising 2,3,3,3-tetrafluoro-1-propene, 3,3,3-trifluoropropene (1243zf), and trans-1,3,3,3-tetrafluoro-1-propene (1234ze-E), said method comprising the steps of: (a) bringing said first composition into contact with at least one organic extraction agent in order to form a second composition; (b) extractive distilaation of said second composition in order to form (i) a third composition comprising said organic extraction agent, 3,3,3-trifluoropropene (1243zf), and trans-1,3,3,3-tetrafluoro-1-propene (1234ze-E), and (ii) a stream comprising the 2,3,3,3-tetrafluoro-1-propene; and (c) recovery and separation of said third composition in order to form a stream comprising said organic extraction agent and a stream comprising 3,3,3-trifluoropropene (1243zf) and trans-1,3,3,3-tetrafluoro-1-propene (1234ze-E). 1. A composition comprising 2 ,3 ,3 ,3-tetrafluoropropene , 3 ,3 ,3-trifluoropropene (1243zf) , trans-1 ,3 ,3 ,3-tetrafluoro-1-propene (1234ze-E) and an organic extracting agent having:{'sub': 1,2', '1,2', '1,s', '2,s', '1,s', '2s, 'a separation factor Sof greater than or equal to 1.40, said separation factor being calculated by the formula S=(γ*P1)/(γ*P2) wherein γrepresents the activity coefficient of 2,3,3,3-tetrafluoropropene in said organic extracting agent at infinite dilution, P1 represents the saturating vapor pressure of 2,3,3,3-tetrafluoropropene, γrepresents the activity coefficient of 3,3,3-trifluoropropene (1243zf) in said organic extracting agent at infinite dilution, P2 represents the saturating vapor pressure of 3,3,3-trifluoropropene (1243zf) and'}{'sub': 1,2', '1,s', '2,s', '1,s', '2,s, 'a separation factor S1,2 of greater than or equal to 1.40, said separation factor being calculated by the formula S=(γ*P1)/(γ*P2) in which γrepresents the activity coefficient of 2,3,3,3-tetrafluoropropene in said organic extracting agent at infinite ...

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Номер записи: 88
13-04-2017 дата публикации

WORKING MEDIUM AND HEAT CYCLE SYSTEM

Номер: US20170101567A1
Автор: FUKUSHIMA Masato
Принадлежит: Asahi Glass Company, Limited

To provide a working medium for heat cycle, of which combustibility is suppressed, which has less influence over the ozone layer, which has less influence over global warming and which provides a heat cycle system excellent in the cycle performance (efficiency and capacity), and a heat cycle system, of which the safety is secured, and which is excellent in the cycle performance (efficiency and capacity). 1. A working medium composition , which comprises 1-chloro-2 ,3 ,3 ,3-tetrafluoropropene and a polyol ester oil.212-. (canceled)13. The working medium composition according to claim 1 , wherein the 1-chloro-2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene is present in a content of at least 60 mass % in the working medium composition based on 100 mass %.14. The working medium composition according to claim 13 , wherein the polyol ester oil is present in a content of 10-100 parts by mass based on the working medium (100 parts by mass).15. The working medium composition according to claim 13 , wherein the polyol ester oil is present in a content of 20-50 parts by mass based on the working medium (100 parts by mass).16. The working medium composition according to claim 1 , wherein the polyol ester oil is an ester of a diol with a Cfatty acid.17. The working medium composition according to claim 16 , wherein the diol is selected from ethylene glycol claim 16 , 1 claim 16 ,3-propanediol claim 16 , propylene glycol claim 16 , 1 claim 16 ,4-butanediol claim 16 , 1 claim 16 ,2-butandiol claim 16 , 1 claim 16 ,5-pentadiol claim 16 , neopentyl glycol claim 16 , 1 claim 16 ,7-heptanediol and 1 claim 16 ,12-dodecanediol claim 16 , and the Cfatty acid is selected from hexanoic acid claim 16 , heptanoic acid claim 16 , octanoic acid claim 16 , nonanoic acid claim 16 , decanoic acid claim 16 , undecanoic acid claim 16 , dodecanoic acid claim 16 , eicosanoic acid claim 16 , oleic acid claim 16 , and a neo acid having a quantenary αcarbon atom.18. The working medium composition ...

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Номер записи: 89
13-04-2017 дата публикации

WORKING MEDIUM AND HEAT CYCLE SYSTEM

Номер: US20170101568A1
Автор: FUKUSHIMA Masato
Принадлежит: Asahi Glass Company, Limited

To provide a working medium for heat cycle, of which combustibility is suppressed, which has less influence over the ozone layer, which has less influence over global warming and which provides a heat cycle system excellent in the cycle performance (efficiency and capacity), and a heat cycle system, of which the safety is secured, and which is excellent in the cycle performance (efficiency and capacity). 1. A working medium composition , which comprises 1-chloro-2 ,3 ,3 ,3-tetrafluoropropene and a mineral oil.212-. (canceled)13. The working medium composition according to claim 1 , wherein the 1-chloro-2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene is present in a content of at least 60 mass % in the working medium composition based on 100 mass %.14. The working medium composition according to claim 13 , wherein the mineral oil is present in a content of 10-100 parts by mass based on the working medium (100 parts by mass).15. The working medium composition according to claim 13 , wherein the mineral oil is present in a content of 20-50 parts by mass based on the working medium (100 parts by mass).16. The working medium composition according to claim 1 , wherein the mineral oil is a naphthene mineral oil.17. The working medium composition according to claim 1 , wherein the mineral oil is a paraffin mineral oil.18. The working medium composition according to claim 1 , wherein the mineral oil is a purified fraction obtained by atmospheric distillation or vacuum distillation of crude oil. The present invention relates to a working medium and a heat cycle system employing the working medium.Heretofore, as a working medium for heat cycle such as a coolant for a refrigerator, a coolant for an air conditioner, a working fluid for power generation system (such as exhaust heat recovery power generation), a working medium for a latent heat transport apparatus (such as a heat pipe) or a secondary cooling medium, a chlorofluorocarbon (CFC) such as chlorotrifluoromethane ...

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Номер записи: 90
21-04-2016 дата публикации

Process for the preparation of fluorinated compounds

Номер: US20160107959A1
Автор: Anne Pigamo, Laurent Wendlinger, Michel Devic
Принадлежит: Arkema France SA

A subject-matter of the invention is a process for the preparation of 2,3,3,3-tetrafluoro-1-propene which comprises the following stages: (i) hydrogenation of hexafluoropropylene to give 1,1,1,2,3,3-hexafluoropropane; (ii) dehydrofluorination of the 1,1,1,2,3,3-hexafluoropropane obtained in the preceding stage to give 1,2,3,3,3-pentafluoro-1-propene; (iii) hydrogenation of the 1,2,3,3,3-pentafluoro-1-propene obtained in the preceding stage to give 1,1,1,2,3-pentafluoropropane; and (iv) dehydrofluorination of the 1,1,1,2,3-pentafluoropropane obtained in the preceding stage to give 2,3,3,3-tetrafluoro-1-propene. Stages (ii) and (iv) are carried out using a water and potassium hydroxide mixture with the potassium hydroxide representing between 58 and 86% by weight of the mixture and at a temperature of between 110 and 180° C.

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Номер записи: 91
02-04-2020 дата публикации

PROCESS FOR DRYING A GAS STREAM COMPRISING 2,3,3,3 TETRAFLUOROPROPENE

Номер: US20200101417A1
Автор: CORR Stuart, Low Robert Elliott
Принадлежит: MEXICHEM AMANCO HOLDING S.A. DE C.V.

A method of drying a fluid comprising a fluoropropene, which method comprises the step of contacting the fluid with a desiccant comprising a molecular sieve having openings which have a size across their largest dimension of from about 3 Å to about 5 Å. A heat transfer device comprising a heat transfer fluid comprising a fluoropropene, and a desiccant comprising a molecular sieve having openings which have a size across their largest dimension of from about 3 Å to about 5 Å. Preferably, the fluoropropene is R134yf or R-1225ye. 1. A method of drying a fluid comprising a fluoropropene and water , the method comprises the step of:contacting the fluid with a desiccant comprising a molecular sieve having openings which have a size across their largest dimension of from 3 Å to 5 Å.2. The method according towherein the molecular sieve has openings which have a size across their largest dimension of from 3 Å to 4 Å.3. The method according to wherein the molecular sieve has openings which have a size across their largest dimension of about 4 Å.4. The method according to wherein the fluoropropene is R-1234yf or R-1225ye.5. The method according to wherein the fluid comprises at least one additional refrigerant component.6. The method according to wherein the at least one additional refrigerant component is selected from CFI claim 5 , R-134a and R152a.7. The method according to wherein the fluid further comprises a lubricant.8. The method according to wherein the lubricant is selected from the group consisting of esters claim 7 , PAGs claim 7 , PVEs claim 7 , mineral oils and synthetic hydrocarbons.9. The method according wherein the fluid further comprises a stabilizer.10. The method according to wherein the stabiliser is selected from epoxides claim 9 , dienes and phenols.11. The method according to wherein the fluid further comprises a dye.12. The method according to wherein the dye is a fluorescene.13. The method according to wherein the desiccant comprises at least one ...

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Номер записи: 92
28-04-2016 дата публикации

STABLE 2,3,3,3-TETRAFLUOROPROPENE COMPOSITION

Номер: US20160115361A1
Автор: Boussand Beatrice
Принадлежит: Arkema France

A stable composition (CS) including at least x wt.- % 2,3,3,3-tetrafluoropropene (99.8 ÿ x <100), at most y wt.- % unsaturated compound(s) (Ia) (0 Подробнее

Номер записи: 93
27-04-2017 дата публикации

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

Номер: US20170113986A1
Автор: Fuyuhiko Sakyu, Masatomi Kanai, Satoru Okamoto, Takamasa Kitamoto
Принадлежит: Central Glass Co Ltd

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.

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Номер записи: 94
13-05-2021 дата публикации

DEHYDROHALOGENATION OF HYDROCHLOROFLUOROCARBONS

Номер: US20210139396A1
Автор: KRAUSE Karl, Sun Xuehui
Принадлежит:

A dehydrohalogenation product includes a hydrochlorofluorocarbon mixture of a fluoroolefin of formula RCX═CZQ and a halofluoroalkane of formula RCXYCZQT. R is a perfluorinated alkyl group and X, Z, and Q are independently H or halogen. One of Y and T is H and the other is Cl, Br, or I. About 80% or greater of the hydrochlorofluorocarbon mixture is the fluoroolefin. The dehydrohalogenation product also includes a caustic agent and a solvent. In some embodiments, the dehydrohalogenation product is free of any catalyst, including any phase transfer catalyst. 1. A composition comprising: a fluoroolefin of formula RCX═CZQ, wherein R is a perfluorinated alkyl group and X, Z, and Q are independently H or halogen; and', 'a halofluoroalkane of formula RCXYCZQT, wherein one of Y and T is H and the other is Cl, Br, or I;', 'wherein about 80% or greater of the hydrochlorofluorocarbon mixture is the fluoroolefin;, 'a hydrochlorofluorocarbon mixture comprisinga caustic agent; anda solvent.2. The composition of claim 1 , wherein the composition is free of any catalyst claim 1 , including any phase transfer catalyst.3. The composition of claim 1 , wherein the caustic agent is selected from the group consisting of NaOH claim 1 , KOH claim 1 , LiOH claim 1 , CsOH claim 1 , Ca(OH) claim 1 , Zn(OH) claim 1 , NaCO claim 1 , KCO claim 1 , KPO claim 1 , NaPO claim 1 , KF claim 1 , and CsF.4. The composition of claim 1 , wherein the solvent is an aqueous solvent.5. The composition of claim 4 , wherein the aqueous solvent is water.6. The composition of claim 1 , wherein the halofluoroalkane is CFCHClCHCl and the fluoroalkene is CFCCl═CHor wherein the halofluoroalkane is CFCHCHCland the fluoroalkene is CFCH═CHCl or wherein the halofluoroalkane is CFCClCHand the fluoroalkene is CFCCl═CHor wherein the halofluoroalkane is CFCHFCHCl and the fluoroalkene is CFCF═CHor wherein the halofluoroalkane is CFCClFCHand the fluoroalkene is CFCF═CH.7. The composition of claim 1 , wherein one of Y and T is ...

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Номер записи: 95
24-07-2014 дата публикации

Compositions containing fluorine substituted olefins and methods and systems using same

Номер: US20140202182A1
Автор: Hang T. Pham, Ian Shankland, Rajiv R. Singh
Принадлежит: Honeywell International Inc

Disclosed are the use of fluorine substituted olefins, including tetra- and penta-fluoropropenes, in a variety of applications, including in methods of depositing catalyst on a solid support, methods of sterilizing articles, cleaning methods and compositions, methods of applying medicaments, fire extinguishing/suppression compositions and methods, flavor formulations, fragrance formulations and inflating agents.

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Номер записи: 96
16-04-2020 дата публикации

AZEOTROPE OR AZEOTROPE-LIKE COMPOSITIONS OF TRIFLUOROIODOMETHANE (CF3I) AND HEXAFLUOROPROPENE (HFP)

Номер: US20200115303A1
Автор: Hulse Ryan J., Jungong Christian, Merkel Daniel C., Pham Hang T., WANG HAIYOU
Принадлежит:

The present disclosure provides azeotrope or azeotrope-like compositions including trifluoroiodomethane (CFI) and hexafluoropropene (HFP), and a method of forming an azeotrope or azeotrope-like composition comprising the step of combining hexafluoropropene (HFP) and trifluoroiodomethane (CFI) to form an azeotrope or azeotrope-like comprising hexafluoropropene (HFP) and trifluoroiodomethane (CFI) having a boiling point of about −31.21° C.±0.30° C. at a pressure of about 14.21 psia±0.30 psia. 1. A composition comprising an azeotrope or azeotrope-like composition consisting essentially of effective amounts of hexafluoropropene (HFP) and trifluoroiodomethane (CFI).2. The composition of claim 1 , wherein the azeotrope or azeotrope-like composition has a boiling point of about −31.21° C.±0.30° C. at a pressure of about 14.21 psia±0.30 psia.3. The composition of claim 1 , wherein the azeotrope or azeotrope-like composition consists essentially of from about 36 wt. % to about 94 wt. % hexafluoropropene (HFP) and from about 6 wt. % to about 64 wt. % trifluoroiodomethane (CFI).4. The composition of claim 1 , wherein the azeotrope or azeotrope-like composition consists essentially of from about 48 wt. % to about 85 wt. % hexafluoropropene (HFP) and from about 15 wt. % to about 52 wt. % trifluoroiodomethane (CFI).5. The composition of claim 1 , wherein the azeotrope or azeotrope-like composition consists essentially of from about 69 wt. % to about 70 wt. % hexafluoropropene (HFP) and from about 30 wt. % to about 31 wt. % trifluoroiodomethane (CFI).6. The composition of claim 1 , wherein the azeotrope or azeotrope-like composition consists essentially of about 69.39 wt. % hexafluoropropene (HFP) and about 30.61 wt. % trifluoroiodomethane (CFI).7. A composition comprising an azeotrope or azeotrope-like composition consisting essentially of hexafluoropropene (HFP) and trifluoroiodomethane (CFI) and having a boiling point of about −31.21° C.±0.30° C. at a pressure of about 14.21 ...

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Номер записи: 97
16-04-2020 дата публикации

AZEOTROPE OR AZEOTROPE-LIKE COMPOSITIONS OF TRIFLUOROIODOMETHANE (CF3I) AND 1,1,3,3,3,-PENTAFLUOROPROPENE (HFO-1225zc)

Номер: US20200115304A1
Автор: Hulse Ryan J., Jungong Christian, Merkel Daniel C., Pham Hang T., WANG HAIYOU
Принадлежит:

The present disclosure provides azeotrope or azeotrope-like compositions including trifluoroiodomethane (CFI) and 1,1,3,3,3-pentafluoropropene (HFO-1225zc), and a method of forming an azeotrope or azeotrope-like composition comprising the step of combining 1,1,3,3,3-pentafluoropropene (HFO-1225zc) and trifluoroiodomethane (CFI) to form an azeotrope or azeotrope-like comprising 1,1,3,3,3-pentafluoropropene (HFO-1225zc) and trifluoroiodomethane (CFI) having a boiling point of about −25.63° C.±0.30° C. at a pressure of about 14.44 psia±0.30 psia. 1. A composition comprising an azeotrope or azeotrope-like composition consisting essentially of effective amounts of 1 ,1 ,3 ,3 ,3-pentafluoropropene (HFO-1225zc) and trifluoroiodomethane (CFI).2. The composition of claim 1 , wherein the azeotrope or azeotrope-like composition has a boiling point of about −25.63° C.±0.30° C. at a pressure of about 14.44 psia±0.30 psia.3. The composition of claim 1 , wherein the azeotrope or azeotrope-like composition consists essentially of from about 24 wt. % to about 54 wt. % 1 claim 1 ,1 claim 1 ,3 claim 1 ,3 claim 1 ,3-pentafluoropropene (HFO-1225zc) and from about 46 wt. % to about 76 wt. % trifluoroiodomethane (CFI).4. The composition of claim 1 , wherein the azeotrope or azeotrope-like composition consists essentially of from about 30 wt. % to about 48 wt. % 1 claim 1 ,1 claim 1 ,3 claim 1 ,3 claim 1 ,3-pentafluoropropene (HFO-1225zc) and from about 52 wt. % to about 70 wt. % trifluoroiodomethane (CFI).5. The composition of claim 1 , wherein the azeotrope or azeotrope-like composition comprises from about 38 wt. % to about 39 wt. % 1 claim 1 ,1 claim 1 ,3 claim 1 ,3 claim 1 ,3-pentafluoropropene (HFO-1225zc) and from about 61 wt. % to about 62 wt. % trifluoroiodomethane (CFI).6. The composition of claim 1 , wherein the azeotrope or azeotrope-like composition comprises about 38.99 wt. % 1 claim 1 ,1 claim 1 ,3 claim 1 ,3 claim 1 ,3-pentafluoropropene (HFO-1225zc) and about 60.01 wt. % ...

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Номер записи: 98
16-04-2020 дата публикации

AZEOTROPE OR AZEOTROPE-LIKE COMPOSITIONS OF TRIFLUOROIODOMETHANE (CF3I) AND HEXAFLUOROACETONE (HFA)

Номер: US20200115305A1
Автор: Hulse Ryan J., Jungong Christian, Merkel Daniel C., Pham Hang T., WANG HAIYOU
Принадлежит:

The present disclosure provides azeotrope or azeotrope-like compositions including trifluoroiodomethane (CFI) and hexafluoroacetone (HFA), and a method of forming an azeotrope or azeotrope-like composition comprising the step of combining hexafluoroacetone (HFA) and trifluoroiodomethane (CFI) to form an azeotrope or azeotrope-like comprising hexafluoroacetone (HFA) and trifluoroiodomethane (CFI) having a boiling point of about −29.84° C.±0.30° C. at a pressure of about 14.40 psia±0.30 psia. 1. A composition comprising an azeotrope or azeotrope-like composition consisting essentially of effective amounts of hexafluoroacetone (HFA) and trifluoroiodomethane (CFI).2. The composition of claim 1 , wherein the azeotrope or azeotrope-like composition has a boiling poing of about −29.84° C.±0.30° C. at a pressure of about 14.40 psia±0.30 psia.3. The composition of claim 1 , wherein the azeotrope of azeotrope-like composition consists essentially of from about 28 wt. % to about 75 wt. % hexafluoroacetone (HFA) and from about 25 wt. % to about 72 wt. % trifluoroiodomethane (CFI).4. The composition of claim 1 , wherein the azeotrope or azeotrope-like composition consists essentially of from about 45 wt. % to about 70 wt. % hexafluoroacetone (HFA) and from about 30 wt. % to about 55 wt. % trifluoroiodomethane (CFI).5. The composition of claim 1 , wherein the azeotrope or azeotrope-like composition consists essentially of from about 59 wt. % to about 60 wt. % hexafluoroacetone (HFA) and from about 40 wt. % to about 41 wt. % trifluoroiodomethane (CFI).6. The composition of claim 1 , wherein the azeotrope or azeotrope-like composition consists essentially of about 59.78 wt. % hexafluoroacetone (HFA) and about 40.22 wt. % trifluoroiodomethane (CFI).7. A composition comprising an azeotrope or azeotrope-like composition consisting essentially of hexafluoroacetone (HFA) and trifluoroiodomethane (CFI) and having a boiling point of about −29.84° C.±0.30° C. at a pressure of about 14.40 ...

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Номер записи: 99
25-08-2022 дата публикации

HFO-1234ZE, HFO-1225ZC AND HFO-1234YF COMPOSITIONS AND PROCESSES FOR PRODUCING AND USING THE COMPOSITIONS

Номер: US20220268493A1
Автор: Nappa Mario Joseph, Peng Sheng
Принадлежит: THE CHEMOURS COMPANY FC, LLC

A fluoropropene composition comprising Z-1,3,3,3-tetrafluoropropene, E-1,3,3,3-tetrafluoropropene, 1,1,3,3,3-pentafluoropropene, 2,3,3,3-tetrafluoropropene, and optionally 1,1,1,3,3-pentafluoropropane wherein the 2,3,3,3-tetrafluoropropene being present in an amount of 0.00001 to 1.0%. A method of producing the fluoropropene, methods for using the fluoropropene and the composition formed are also disclosed. 1. A fluoropropene composition comprising Z-1 ,3 ,3 ,3-tetrafluoropropene , E-1 ,3 ,3 ,3 ,-tetrafluoropropene , 1 ,1 ,3 ,3 ,3-pentafluoropropene , 1243zf , and 2 ,3 ,3 ,3-tetrafluoropropene , wherein 2 ,3 ,3 ,3-tetrafluoropropene and 1 ,1 ,3 ,3 ,3-pentafluoropropene both being present and wherein the total amount of 1 ,1 ,3 ,3 ,3-pentafluoropropene and 2 ,3 ,3 ,3-tetrafluoropropene is less than 1.0 mol % and further comprising at least one isomer of at least one of 1225ye and 1233zd.2. The composition of claim 1 , wherein the 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene is present in an amount of 0.1 to 0.9 mol %.3. The composition of claim 1 , wherein the 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene is present in an amount of 0.2 to 0.4 mol %.4. The composition of claim 1 , wherein the 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene is present in an amount of 0.3 to 0.4 mol %.5. The composition of claim 1 , wherein the fluoropropene composition additionally comprises one or more of R-143a claim 1 , R-152a claim 1 , R-1233xf claim 1 , 1224yd claim 1 , 1224zc claim 1 , 1326mxz claim 1 , 113 claim 1 , 32 claim 1 , 23 claim 1 , 356mff claim 1 , 1326mxz claim 1 , HFC-245fa claim 1 , HFC-245cb 1234zc claim 1 , 1234yc claim 1 , 1234ye claim 1 , 134a claim 1 , 114 claim 1 , 124 claim 1 , and 236fa.6. The composition of claim 5 , wherein the sum total of the amounts of R-143a claim 5 , R-152a claim 5 , R-1233xf claim 5 , 1224yd claim 5 , 1224zc claim 5 , 1326mxz claim 5 , 113 claim 5 , 32 claim 5 , 23 claim 5 , trifluoro propyne claim 5 , 356mff ...

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Номер записи: 100