ТЕПЛОПЕРЕДАЮЩИЕ КОМПОЗИЦИИ

Изобретение относится к области теплопередающих композиций. Теплопередающая композиция содержит по существу из от около 60 до около 85 мас.% транс-1,3,3,3-тетрафторпропена (R-1234ze(E)) и от около 15 до около 40 мас.% фторэтана (R-161). Также изобретение касается теплопередающей композиции, включающей R-1234ze(E), R-161 и 1,1,1,2-тетрафторэтан (R-134a). Изобретение обеспечивает понижение токсичности, горючести и GWP теплопередающей композиции при КПД в пределах 10% от величин, достигаемых при использовании существующих холодильных агентов. 21 н. и 32 з.п. ф-лы, 11 табл., 1 ил.

РАБОЧАЯ ЖИДКОСТЬ ДЛЯ ТЕПЛОВОГО ЦИКЛА, КОМПОЗИЦИЯ ДЛЯ СИСТЕМЫ ТЕПЛОВОГО ЦИКЛА И СИСТЕМА ТЕПЛОВОГО ЦИКЛА

Изобретение обеспечивает рабочую текучую среду теплового цикла, имеющую низкий потенциал глобального потепления, которая может заменить R410A, композицию для системы теплового цикла, включающую рабочую текучую среду, и систему теплового цикла, использующую данную композицию. Описана рабочая текучая среда для теплового цикла, которая содержит трифторэтилен и 2,3,3,3-тетрафторпропилен, где общая доля трифторэтилена и 2,3,3,3- тетрафторпропилена в расчете на общее количество рабочей текучей среды составляет от 70 масс.% до 100 масс. %, а доля трифторэтилена в расчете на общее количество трифторэтилена и 2,3,3,3-тетрафторпропилен составляет от 35 масс.% до 95 масс. %. Также описаны композиция для системы теплового цикла и система теплового цикла. Технический результат: предложена рабочая текучая среда для теплового цикла с хорошими эксплуатационными характеристиками при одновременном подавлении влияния на глобальное потепление. 3 н. и 12 з.п. ф-лы, 8 ил., 12 табл.

КОМПОЗИЦИЯ И СОДЕРЖАЩИЕ ЕЕ ТЕПЛОНОСИТЕЛЬ, ХЛАДАГЕНТ, ПЕНООБРАЗОВАТЕЛЬ И РАСПЫЛЯЕМАЯ КОМПОЗИЦИЯ

Изобретение относится к близкой к азеотропной композиции, применимой, в частности, в качестве хладагента, пропеллента, пенообразователя и теплоносителя, содержащей транс-1,3,3,3-пентафторпропан (TpaнcHFO-1234ze) и соединение, которое выбирают из группы, состоящей из 1,1-дифторэтана («HFC-152a»), 1,1,1,2,3,3,3-гептафторпропана («CHFC-227ea»), 1,1,1,2-тетрафторэтана («HFC-134a»), 1,1,1,2,2-пентафторэтана («HFC-125»). Изобретение также относится к способам применения близкой к азеотропной композиции. Технический результат - композиции с низким потенциалом в истощении озонового слоя. 16 н. и 37 з.п. ф-лы, 4 табл.

КОМПОЗИЦИЯ, СОДЕРЖАЩАЯ ФТОРЗАМЕЩЕННЫЕ ОЛЕФИНЫ, И СПОСОБЫ ЕЕ ПРИМЕНЕНИЯ

ТЕПЛОПЕРЕДАЮЩИЕ КОМПОЗИЦИИ

... 1. Теплопередающая композиция, состоящая, по существу, из от около 60 до около 85 мас.% транс-1,3,3,3-тетрафторпропена (R-1234ze(E)) и от около 15 до около 40 мас.% фторэтана (R-161)2. Композиция по п.1, состоящая, по существу, из от около 65 до около 82 мас.% R-1234ze(E) и от около 18 до около 35 мас.% R-161.3. Теплопередающая композиция, включающая R-1234ze(E), R-161 и 1,1,1,2-тетрафторэтан (R-134a).4. Композиция по п.3, включающая до около 50 мас.% R-134a.5. Композиция по п.4, включающая от около 4 до около 20 мас.% R-161, от около 25 до около 50 мас.% R-134a и от около 30 до около 71 мас.% R-1234ze(E).6. Композиция по любому из пп.3-5, состоящая, по существу, из R-1234ze(E), R-161 и R-134a.7. Композиция по любому из пп.1-5, где GWP композиции составляет менее 1000, предпочтительно менее 150.8. Композиция по любому из пп.1-5, температурный гистерезис которой составляет менее приблизительно 10 К, предпочтительно менее приблизительно 5 К.9. Композиция по любому из пп.1-5, где объемная ...

БЛИЗКАЯ К АЗЕОТРОПНЫМ КОМПОЗИЦИЯ И ЕЕ ПРИМЕНЕНИЕ

... 1. Близкая к азеотропной композиция, содержащая эффективные количества транс-1,3,3,3-пентафторпропана (TpaHcHFO-1234ze) и соединение, которое выбирают из группы, состоящей из 1,1-дифторэтана («HFC-152a»), 1,1,1,2,3,3,3-гептафторпропана («CHFC-227ea»), 1,1,1,2, -тетрафторэтана («HFC-134a»), 1,1,1,2,2-пентафторэтана («HFC-125») и комбинации двух или более этих соединений. 2. Близкая к азеотропной композиция по п.1, содержащая эффективные количества трансHFO-1234ze и соединение, которое выбирают из группы, состоящей из 1,1-дифторэтана («HFC-152a»), 1,1,1,2,3,3,3-гептафторпропана («HFC-227ea»), 1,1,1,2,-тетрафторэтана («HFC-134a») и 1,1, 1,2,2-пентафторэтана («HFC-125»). 3. Близкая к азеотропной композиция по п.1, содержащая до примерно 75 мас.% трансHFO-1234ze и остальное HFC-134a. 4. Близкая к азеотропной композиция по п.1, содержащая до примерно 60 мас.% трансHFO-1234ze и остальное HFC-134a. 5. Близкая к азеотропной композиция по п.1, содержащая до примерно 40 мас.% трансHFO-1234ze и остальное ...

Heat transfer compositions

A heat transfer composition comprises up to about 30 % by weight carbon dioxide (R-744), from about 30 % to about 80 % by weight difluoromethane (R-32), and 1,3,3,3-tetrafluoropropene (R-1234ze), preferably R-1234ze(E). The composition preferably has a low GWP and may further comprise a lubricant, a stabiliser or a flame retardant. The composition may be a refrigerant, a blowing agent, a foam or a sprayable composition. The composition may be used in a heat transfer device e.g. automotive air conditioning systems, chiller refrigeration systems. Also shown are methods of cooling, heating, extraction and cleaning using the composition.

Heat transfer compositions

Heat transfer compositions

Compositions

A composition comprising 1,1-difluoroethene (R-1132a); ethane (R-170) and, optionally carbon dioxide (CO2, R-744). The composition preferably has a low GWP and may further comprise a lubricant, a stabiliser or a flame retardant. The composition may be a refrigerant, a foam or a sprayable composition. The composition may be used in a heat transfer device e.g. automotive air conditioning systems, chiller refrigeration systems. Also shown are methods of cooling, heating, extraction and cleaning using the composition.

Coolant-containing composition, use for same, refrigerator having same, and method for operating refrigerator

The present invention addresses the problem of providing a mixed coolant which exhibits four types of performance which consist of a refrigerating capability and performance coefficient which are identical to those of R410A, a sufficiently low GWP, and mild flammability (class 2L) according to ASHRAE standards. The present invention solves the problem by providing a coolant-containing composition, wherein: the coolant thereof contains trans-1,2-difluoroethylene (HFO-1132(E)) and trifluoroethylene (HFO-1123) in a manner such that the total thereof constitutes 99.5 mass% or more of the total mass of the coolant; and the coolant contains the HFO-1132(E) in an amount which constitutes 62.5-72.5 mass% of the total mass of the coolant.

Heat transfer compositions and methods

Compositions, methods and systems which comprise or utilize a multi-component mixture comprising: (a) from about 10% to about 35% by weight of HFC-32; (b) from about 10% to about 35% by weight of HFC-125; (c) from about 20% to about 50% by weight of HFO- 1234ze, HFO- 1234yf and combinations of these; (d) from about 15% to about 35% by weight of HFC-134a; and optionally (e) up to about 10% by weight of CF3I and up to about 5% by weight of HFCO-1233ze, with the weight percent being based on the total of the components (a) - (e) in the composition.

Refrigerant mixtures

Use of a gaseous mixture, selected from the group consisting of - propylene in a concentration from 90% to 99% by weight and a gas selected from the group consisting of butene, ethylene and ethane or mixtures thereof in a concentration from l% to 10% by weight; as replacement or alternative refrigerant gas for R404A, R507A and/or R407C, and/or other replacement or alternative refrigerants for R404A, R507A and R407C containing HFC (hydrofluorocarbons), HFO (hydrofluoro olefins) and HFE (hydrofluoro ethers).

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

The present disclosure relates to compositions comprising 2,3,3,3-tetrafluoropropene that may be useful as heat transfer compositions, aerosol propellants, foaming agents, blowing agents, solvents, cleaning agents, carrier fluids, displacement drying agents, buffing abrasion agents, polymerization media, expansion agents for polyolefins and polyurethane, gaseous dielectrics, extinguishing agents, and fire suppression agents in liquid or gaseous form. Additionally, the present disclosure relates to compositions comprising 1,1,2,3-tetrachloropropene, 2-chloro-3,3,3-trifluoropropene, or 2-chloro-1,1,1,2-tetrafluoropropane, which may be useful in processes to produce 2,3,3,3-tetrafluoropropene.

AZEOTROPE-LIKE COMPOSITIONS OF 1,1,1,2-TETRAFLUOROPROPENE AND 1,1,1,2-TETRAFLUOROETHANE

Provided are azeotrope-like compositions consisting essentially of 1,1,1,2-tetrafluoropropene and 1,1,1,2-tetrafluo-roethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.

HEAT TRANSFER COMPOSITIONS AND METHODS

Compositions, methods and systems which comprise or utilize a multi-component mixture comprising: (a) from about 10% to about 35% by weight of HFC-32; (b) from about 10% to about 35% by weight of HFC-125; (c) from about 20% to about 50% by weight of HFO-1234ze, HFO-1234yf and combinations of these; (d) from about 15% to about 35% by weight of HFC-134a; and optionally (e) up to about 10% by weight of CF3I and up to about 5% by weight of HFCO-1233ze, with the weight percent being based on the total of the components (a) - (e) in the composition ...

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

LOW GWP REFRIGERANT BLENDS

A refrigerant composition consists essentially of: carbon dioxide 10-35%; an HFO selected from the group consisting of: R1234yf, R1234ze(E) and mixtures thereof 45-85%; and R227ea 3-15% wherein the percentages are by mass and are selected from the ranges quoted to total 100%.

Ternary compositions for high-capacity refrigeration

Compositions comprising tetrafluoropropenes of 2 the formula I-A, 3 of the formula 3 (I) of 3 - formula (I), (I), (I) and (C)

Compositions comprising z-1,1,1,4,4,4-hexafluoro-2-butene and uses thereof

REFRIGERANT COMPOSITION

METHOD FOR HEATING AND/OR AIR CONDITIONING OF A VEHICLE

COMPOSITIONS BASED ON 1,1,2-TRIFLUOROETHYLENE AND CARBON DIOXIDE

열 전달 조성물 및 방법

... 조성물 내의 성분 (a)-(e)의 총량을 기준으로 (a) 약 10-35중량%의 HFC-32; (b) 약 10-35중량%의 HFC-125; (c) 약 20-50중량%의 HFO-1234ze, HFO-1234yf 및 이들의 조합; (d) 약 15-35중량%의 HFC-134a; 및 선택적으로 (e) 약 10중량%까지의 CF3l 및 약 5중량%까지의 HFCO-1233ze를 포함하는 다성분 혼합물을 포함하거나 이를 이용하는 조성물, 방법 및 시스템이 개시된다.

AZEOTROPE-LIKE COMPOSITIONS OF TETRAFLUOROPROPENE AND HYDROFLUOROCARBONS

COMPOSITIONS OF TYPE AZEOTROPICAS OF TETRAFLUORPROPENO AND HIDROFLUOROCARBUROS

Se proveen composiciones de tipo azeotropicas que comprenden tetrafluorpropeno e hidrofluorcarburos, y sus usos, entre ellos, el uso en composiciones refrigerantes, sistemas de refrigeracion, composiciones de agentes sopladores y propulsores de aerosol.

COMPOSITIONS COMPRISING HFC-1234YF AND HFC-32

COMPOSITION CONTAINING MIXTURE OF FLUORINATED HYDROCARBONS, AND METHOD FOR PRODUCING SAME

COMPOSITIONS COMPRISING FLUOROOLEFINS AND USES THEREOF

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.

HEAT TRANSFER FLUIDS COMPRISING DIFLUOROMETHANE, PENTAFLUOROETHANE, TETRAFLUOROPROPENE AND OPTIONALLY PROPANE

A composition includes between 11 and 13 wt. % of difluoromethane; between 58 and 62 wt. % of pentafluoroethane; between 18 and 29 wt. % of tetrafluoropropene; and between 0 and 7 wt. % of propane. The tetrafluoropropene can be 1,3,3,3-tetrafluoropropene or 2,3,3,3-tetrafluoropropene. The composition can be used as a heat transfer fluid in a vapour compression circuit.

Composition comprising refrigerant, use thereof, refrigerating machine having same, and method for operating said refrigerating machine

An object of the present invention is to provide a mixed refrigerant having three types of performance; i.e., a refrigerating capacity (also referred to as cooling capacity) and a coefficient of performance (COP) that are equivalent to those of R410A, and a sufficiently low GWP. Provided as a means for achieving the object is a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and 2,3,3,3-tetrafluoro-1-propene (R1234yf).

ТЕПЛОПЕРЕДАЮЩИЕ КОМПОЗИЦИИ С НИЗКИМ ПГП

Изобретение относится к теплопередающей композиции и/или композиции холодильных агентов, использующимся в связанных с охлаждением практических применениях, а именно в качестве нагревающей и/или охлаждающей среды, в автомобильных системах кондиционирования воздуха, бытовых системах кондиционирования воздуха, коммерческих системах кондиционирования воздуха, бытовых холодильных системах, бытовых системах заморозки, коммерческих холодильных системах, небольших холодильных системах, коммерческих системах заморозки, автомобильных холодильных системах, чиллерных системах кондиционирования воздуха, чиллерных холодильных системах или теплонасосных системах, в низкотемпературной и/или среднетемпературной холодильных системах и в качестве заменителя R-404A в низкотемпературной и среднетемпературной холодильных системах. Композиция содержит: (a) 21,5% по массе HFC-32, (b) 75,5% по массе 2,3,3,3-тетрафторпропена и (c) 3% по массе СО. Технический результат заключается в улучшении производительности, ...

КОМПОЗИЦИЯ, СОДЕРЖАЩАЯ ФТОРЗАМЕЩЕННЫЕ ОЛЕФИНЫ, И СПОСОБЫ ЕЕ ПРИМЕНЕНИЯ

Изобретение относится к применению транс-1,3,3,3-тетрафторпропена (транс-HFO-1234ze) в качестве пропеллента в промышленном аэрозоле, контактном моющем средстве, опыливателе, продукте бытовой химии, автомобильном продукте или продукте, используемом в области медицины, где пропеллент содержит по меньшей мере 5 мас.% транс-1,3,3,3-тетрафторпропена (транс-HFO-1234ze)и пропеллент имеет потенциал глобального потепления менее 500 и потенциал разрушения озонового слоя менее 0,05. Описаны также композиция пропеллента и распыляемая композиция. Технический результат – обеспечение практически невоспламеняющихся распылителей – сжиженных газов, имеющих весьма низкий потенциал глобального потепления и потенциал разрушения озонового слоя. 3 н. и 22 з.п. ф-лы, 1 ил., 2 табл., 5 пр.

ТЕПЛОПЕРЕДАЮЩАЯ ТЕКУЧАЯ СРЕДА, ЗАМЕНЯЮЩАЯ R-410А

... 1. Применение трехкомпонентной композиции 2,3,3,3-тетрафторпропена, 1,1-дифторэтана и дифторметана в качестве теплопередающей текучей среды в холодильных системах вместо смеси R-410A.2. Применение по п.1, отличающееся тем, что трехкомпонентная композиция содержит в основном от 5 до 83 мас.% 2,3,3,3-тетрафторпропена, от 15 до 75 мас.% дифторметана и от 2 до 40 мас.% дифторэтана.3. Применение по п.1, отличающееся тем, что трехкомпонентная композиция содержит в основном от 5 до 63 мас.% 2,3,3,3-тетрафторпропена, от 35 до 70 мас.% дифторметана и от 2 до 25 мас.% дифторэтана.4. Применение по п.1, отличающееся тем, что композиция содержит в основном от 40 до 58 мас.% 2,3,3,3-тетрафторпропена, от 40 до 50 мас.% дифторметана и от 2 до 10 мас.% дифторэтана.5. Применение по любому из пп.1-4, отличающееся тем, что композиция стабилизирована.6. Применение по любому из пп.1-4, отличающееся тем, что холодильные системы относятся к компрессорному типу.7. Применение по п.5, отличающееся тем, что холодильные ...

Compostion

AZEOTROPÄHNLICHE COMPOSITIONS OF 1,1,1,3,3 - PENTAFLUORBUTAN

Compositions containing fluorine substituted olefins

Composition containing refrigerant, use of said composition, refrigerator having said composition, and method for operating said refrigerator

An object is to provide a mixed refrigerant having three types of performance, i.e., a refrigerating capacity that is equivalent to that of R410A, a sufficiently low GWP, and a 5 lower flammability (Class 2L) according to the ASHRAE standard. Provided is a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), difluoromethane (R32), and 2,3,3,3-tetrafluoro-1-propene (R1234yf), wherein when the mass% of HFO-1132(E), R32, and 10 R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), R32, and R1234yf is 100 mass% are within the range of a figure surrounded by line segments AC, CF, FD, and DA that connect the following 4 15 points: point A (71.1, 0.0, 28.9), point C (36.5, 18.2, 45.3), point F (47.6, 18.3, 34.1), and point D (72.0, 0.0, 28.0), or on these line segments; the line segment AC is represented by coordinates ( ...

Compositions comprising 2,3,3,3-tetrafluoropropene, 1,1,2,3-tetrachloropropene, 2-chloro-3,3,3-trifluoropropene, or 2-chloro-1,1,1,2-tetrafluoropropane

The present disclosure relates to compositions comprising 2,3,3,3-tetrafluoropropene that may be useful as heat transfer compositions, aerosol propellants, foaming agents, blowing agents, solvents, cleaning agents, carrier fluids, displacement drying agents, buffing abrasion agents, polymerization media, expansion agents for polyolefins and polyurethane, gaseous dielectrics, extinguishing agents, and fire suppression agents in liquid or gaseous form. Additionally, the present disclosure relates to compositions comprising 1,1,2,3-tetrachloropropene, 2-chloro-3,3,3-trifluoropropene, or 2-chloro-1,1,1,2-tetrafluoropropane, which may be useful in processes to produce 2,3,3,3-tetrafluoropropene.

Refrigerant mixtures comprising tetrafluoropropene, difluoromethane, pentafluoroethane, and tetrafluoroethane, and uses thereof

A non-flammable refrigerant mixture is disclosed. The non-flammable refrigerant mixture may include from 20 weight percent to 25.5 weight percent HFO-1234yf, (b) from 20 weight percent to 24.5 weight percent HFC-32, (c) from 24.5 weight percent to 30 weight percent HFC-125, (d) from 25.5 weight percent to 30 weight percent HFC-134a, and optionally (e) from about 0.0001 weight percent to 10 weight percent trans-HFO-1234ze. These refrigerant mixtures are useful as components in compositions also containing non-refrigerant components (e.g., lubricants), in processes to produce cooling, in methods for replacing refrigerants R-404A, R-507, R-407A, R-407C, R-407F and/or R-22, and in refrigeration apparatuses.

Heat transfer fluids comprising difluoromethane, pentafluoroethane, tetrafluoropropene and optionally propane

The invention relates to a composition comprising: between 11 and 13 wt.% of difluoromethane; between 58 and 62 wt.% of pentafluoroethane; between 18 and 29 wt.% of tetrafluoropropene; and between 0 and 7 wt.% of propane. The tetrafluoropropene can be 1,3,3,3-tetrafluoropropene or 2,3,3,3-tetrafluoropropene. Said composition can be used as a heat transfer fluid in a vapour compression circuit.

Compositions comprising Z-1,1,1,4,4,4-hexafluoro-2-butene and 2,2-dichloro-1,1,1-trifluoroethane and methods of use thereof

In accordance with the present invention a composition is provided. The composition comprises Z-1,1,1,4,4,4-hexafluoro-2-butene (Z-HFO-1336mzz) and 2,2-dichloro-1,1,1-trifluoroethane (HCFC-123). Also in accordance with the present invention a method is provided for topping-off or replenishing a refrigerant charge. The method comprises adding a second refrigerant to a refrigeration, air conditioning, heat pump or power cycle system containing HCFC-123 as a first refrigerant, wherein said second refrigerant comprises Z-HFO-1336mzz and optionally HCFC-123, thus producing a refrigerant composition comprising the first refrigerant and the second refrigerant. Also in accordance with the present invention another method is provided. The method comprises replacing HCFC-123 in a refrigeration, air conditioning, heat pump or power cycle system with a refrigerant composition comprising Z-HFO-1336mzz and optionally HCFC 123.

COMPOSITION CONTAINING REFRIGERANT, AND REFRIGERATION METHOD USING SAID COMPOSITION, OPERATING METHOD FOR REFRIGERATION DEVICE, AND REFRIGERATION DEVICE

The present disclosure provides a composition containing a refrigerant, the composition having the characteristics of having a refrigeration capacity and a coefficient of performance (COP) equal to or greater than R404A, and of having an adequately small GWP. The present disclosure specifically provides a composition containing a refrigerant, wherein the refrigerant contains trans-1,2-difluoroethylene (HFO-1132(E)) and 2,3,3,3-tetrafluoropropene (HFO-1234yf), the content ratio of HFO-1132(E) being 35.0-65.0 mass% and the content of HFO-1234yf being 65.0-35.0 mass% with respect to the total mass of HFO-1132(E) and HFO-1234yf, and the refrigerant is used for operation of a refrigeration cycle in which the evaporation temperature is -75°C to -5°C.

COMPOSITIONS CONTAINING FLUORINE SUBSTITUTED OLEFINS

Disclosed herein is a use of a sprayable composition comprising a propellant composition comprising 1,3,3,3-tetrafluoropropene (HFO-1234ze), and a material to be sprayed, as an industrial aerosol, a contact cleaner, a duster, a household product, an automotive product, a medical product which is a metered dose inhaler or as a consumer aerosol product. The sprayable composition is non-azeotropic when the sprayable composition further comprises pentafluoroethane (HFC-125); 1,1,2,2-tetrafluoroethane (HFC-134a); 1,1,1,2,3 ,3 ,3-heptafluoropropane (HFC-227ea) or difluoroethane (HFC-152a).

COMPOSITIONS CONTAINING FLUORINE SUBSTITUTED OLEFINS

AZEOTROPE-LIKE COMPOSITIONS OF 1,1,1,2-TETRAFLUOROPROPENE AND 1,1,1,2-TETRAFLUOROETHANE

Provided are azeotrope-like compositions consisting essentially of 1,1,1,2-tetrafluoropropene and 1,1,1,2-tetrafluoroethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.

LOW GWP HEAT TRANSFER COMPOSITIONS

The present invention relates, in part, to heat transfer compositions, methods, and uses thereof that include (a) from about 17% to about 40% by weight of HFC-32; (b) from about 51% to about 83% by weight of a tetrafluoropropene; and (c) from greater than about 0% to less than about 9% by weight of CO2. The amount of component (c) improves one or more of a capacity, efficiency, discharge temperature, discharge pressure, and/or energy consumption of the composition, particularly in a low or medium temperature refrigeration system and as compared to composition lacking component (c) and/or the refrigerant R-404A.

REFRIGERANT GAS COMPOSITION

MIXTURE OF AGENTS, NOT CONTAINING CHLOROFLUOROCARBONS, FOR USE IN MUCH STEPPED AVTOKASKADNYKh SYSTEMS

REFRIGERANT GAS COMPOSITION

GASEOUS REFRIGERANT COMPOSITION

FLUID OF TRANSFER OF HEAT FOR CENTRIFUGAL COMPRESSOR

L'invention concerne un procédé de refroidissement ou de chauffage d'un fluide ou d'un corps au moyen d'un circuit de compression de vapeur comportant un compresseur centrifuge et contenant un fluide de transfert de chaleur, le fluide de transfert de chaleur comprenant au moins deux composés choisis parmi le 2,3,3,3-tétrafluoropropène, le 1,3,3,3-tétrafluoropropène , le 1,1,1,2-tétrafluoroéthane, le 1,1-difluoroéthane et le 3,3,3-trifluoropropène, dans lequel : - le rapport du nombre de Mach du compresseur centrifuge sur le nombre de Mach qu'a le compresseur centrifuge dans les mêmes conditions de fonctionnement si le fluide de transfert de chaleur est remplacé par du 1,1,1,2-tétrafluoroéthane dans le circuit de compression de vapeur est supérieur ou égal à 0,97 et inférieur ou égal à 1,03 ; - le taux de compression du compresseur centrifuge est inférieur ou égal au taux de compression qu'a le compresseur centrifuge dans les mêmes conditions de fonctionnement si le fluide de transfert de ...

COMPOSITIONS OF TRIFLUOROETHYLENE, AND USES THEREOF

La présente invention concerne une composition comprenant : - le trifluoroéthylène ; - le pentafluoroéthane ; et - au moins un composé C choisi dans le groupe constitué du difluorométhane, du 1,1,1-trifluoroprène , du trifluoroéthane, du 1,1,1,2-tétrafluoroéthane, du monofluoroéthane, du 1,1,1,4,4,4-hexafluorobut-2-ène, du 3,3,4,4,4-pentafluorobut-1-ène, du 2,4,4,4-tétrafluorobut -1-ène, du 1,1,1,3,3-pentafluoropropane, du 2,3,3,3-tétrafluoropropène, du 1,1,2,2-tétrafluoroéthane, du 1,1-difluoroéthane, du 1,1,1,3,3-pentafluorobutane, du butane, du 1,1,1,2,3,3,3-heptafluoropropane, du 1-chloro-trifluoropropène, du 2-méthylbutane , du pentane, du propane, et de leurs mélanges. La présente invention concerne également ses utilisations dans la réfrigération, climatisation et pompes à chaleur.

TERNARY COMPOSITIONS FOR REFRIGERATION LOW CAPACITY

La présente invention concerne des compositions renfermant du 2,3,3,3-tetrafluoropropène et leurs utilisations comme fluides de transfert de chaleur, agents d'expansion, solvants et aérosols. Elle a plus particulièrement pour objet des compositions contenant essentiellement de 10 à 90 % en poids du 2,3,3,3-tetrafluoropropène, de 5 à 80 % en poids du HFC-134a et de 5 à 10 % en poids du HFC-32.

COMPOSITIONS OF 2,4,4,4-TETRAFLUOROBUT-1-ENE AND CIS-1,1,1,4,4,4-HEXAFLUOROBUT-2-ENE

L'invention concerne une composition comprenant du 2,4,4,4-tétrafluorobut -1-ène et du cis-1,1,1,4,4,4-hexafluorobut-2-ène, ainsi que son utilisation notamment en tant que fluide de transfert de chaleur.

COOLING FLUID

La présente invention a pour objet des compositions à base de tetrafluoropropène et a plus particulièrement pour objet des compositions comprenant de 60 à 90 % en poids du 2,3,3,3 tetrafluoropropène et de 10 à 40 % en poids d'au moins un composé choisi parmi le difluoroéthane et le difluorométhane uitlisable en réfrigération.

TERNARY COMPOSITIONS FOR LOW-CAPACITY REFRIGERATION

COMPOSITIONS CONTAINING FLUORINE SUBSTITUTED OLEFINS

NON-CFC REFRIGERANT MIXTURE FOR USE IN MULTISTAGE AUTO CASCADE SYSTEMS

REFRIGERANT MIXTURES COMPRISING TETRAFLUOROPROPENES AND DIFLUOROMETHANE AND USES THEREOF

In accordance with the present invention compositions are disclosed. The compositions consist of (A) a refrigerant component consisting essentially of (1) at least one refrigerant having an OEL less than 400; and (2) a combination of refrigerants, each having an OEL greater than 400, consisting essentially of (i) HFC-32; and (ii) trans-HFO-1234ze; and optionally (B) a non-refrigerant component; wherein component (A)(2) of the refrigerant component is present in an amount sufficient to provide an overall OEL for the refrigerant component of at least 400. The refrigerant mixtures of the refrigerant component are useful as components in compositions also containing non-refrigerant components (e.g. lubricants), in processes to produce refrigeration, in methods for replacing refrigerant R-410A, and in air conditioning and heat pump apparatus.

Composition containing coolant, heat transfer medium and heat cycle system

The present disclosure provides a composition comprising a refrigerant characterized by having a GWP lower than that of R410A and a COP equivalent to that of R410A. Specifically, the present disclosure provides a composition comprising a refrigerant, the refrigerant comprising CO2(R744) and at least one compound A selected from the group consisting of trans-1,2-difluoroethylene [(E)-HFO-1132], cis-1,2-difluoroethylene [(Z)-HFO-1132], fluoroethylene (HFO-1141), and 3,3,3-trifluoropropyne (TFP).

Use of R-1233 in liquid chillers

This invention relates to the use of chloro-trifluoropropenes as refrigerants in negative-pressure liquid chillers and methods of replacing an existing refrigerant in a chiller with chloro-trifluoropropenes. The chloro-trifluoropropenes, particularly 1-chloro-3,3,3-trifluoropropene, have high efficiency and unexpectedly high capacity in liquid chiller applications and are useful as more environmentally sustainable refrigerants for such applications, including the replacement of R-123 and R-11.

Working fluid for heat cycle, composition for heat cycle system, and heat cycle system

An object of the present invention is to provide, as a working fluid to be used for a heat cycle system, a working fluid for heat cycle that has cycle performance replaceable with that of R410A, and at the same time, has a small burden on an apparatus, low flammability, suppressed self-decomposition, and less effect on global warming, and therefore, is usable stably even if leaked, a composition for heat cycle system containing the same, and a heat cycle system using the composition. The working fluid for heat cycle contains trifluoroethylene, difluoromethane, and at least one selected from 1,1-difluoroethane, fluoroethane, propane, propylene, carbon dioxide, 2,3,3,3-tetrafluoropropene, and (E)-1,3,3,3-tetrafluoropropene at mass ratios satisfying predetermined expressions and at a ratio of the total content to be 90 to 100 mass % relative to the total amount of the working fluid and has a temperature glide of 10° C. or less.

NOVEL USE FOR COMPOSITIONS COMPRISING HFC-134A AND HFO-1234YF AND AN AZEOTROPIC COMPOSITION THEREOF

Hydrofluorocarbon compositions which consist of more than 50 to less than 60% wt of HFO-1234yf, and of more than (40) to less than 50 wt % HFC-134a are useful as drop-in substitutes for R-404A, R-507 and R-22. The invention also concerns azeotropic hydrofluorocarbon compositions consisting equal to or more than 56.3 to equal to or less than 58.0 wt of HFO-1234yf, and equal to or more than 42.0 to equal to or less than 43.7% wt of HFC-134a.

REFRIGERATING OIL FOR REFRIGERANT OR REFRIGERANT COMPOSITION, METHOD FOR USING REFRIGERATING OIL, AND USE OF REFRIGERATING OIL

There are provided a refrigerating oil for refrigerant compositions in which good lubricity can be achieved when a refrigeration cycle is performed using a refrigerant having a sufficiently low GWP, a method for using the refrigerating oil, and use of the refrigerating oil. The refrigerating oil for a refrigerant composition contains a refrigerant containing trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and 2,3,3,3-tetrafluoro-1-propene (R1234yf).

REFRIGERANT-CONTAINING COMPOSITION, AND REFRIGERATING METHOD, REFRIGERATING DEVICE OPERATING METHOD, AND REFRIGERATING DEVICE USING SAID COMPOSITION

The present disclosure is to provide a composition comprising a refrigerant that has the characteristics of having a sufficiently low GWP, and having a coefficient of performance (COP) and a refrigerating capacity equivalent to or higher than those of R404A. The present disclosure provides a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), 1,1,2-trifluoroethylene (HFO-1123), and 2,3,3,3-tetrafluoropropene (HFO-1234yf), wherein the total concentration of the three components is 99.5 mass % or more, based on the entire refrigerant, and the three components have a mass ratio that falls within a region surrounded by a figure passing through the following 5 points in a ternary composition diagram whose three vertices represent the three components: point A (HFO-1132(E)/HFO-1123/HFO-1234yf=42.5/1.0/56.5 mass %), point B (HFO-1132(E)/HFO-1123/HFO-1234yf=27.1/1.0/71.9 mass %), point C (HFO-1132(E)/HFO-1123/HFO-1234yf=1.0/30.4/68.6 mass % ...

AZEOTROPE-LIKE COMPOSITIONS OF 1,1,1,2-TETRAFLUOROPROPENE AND 1,1,1,2-TETRAFLUOROETHANE

Provided are azeotrope-like compositions consisting essentially of 1,1,1,2-tetrafluoropropene and 1,1,1,2-tetrafluoroethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.

Refrigeration cycle device for vehicle

No studies have been made regarding what kinds of refrigerants should be used in a refrigeration cycle device for a vehicle. An air conditioner (1) for a vehicle includes a refrigerant circuit (10) and a refrigerant that is sealed in the refrigerant circuit (10). The refrigerant circuit (10) includes a compressor (80), a first heat exchanger (85), which serves as a heat dissipater in a dehumidifying heating mode, an outside-air heat exchanger (82), a cooling control valve (87), and a second heat exchanger (86), which serves as an evaporator in the dehumidifying heating mode. The refrigerant is a refrigerant having a low GWP.

LOW GWP REFRIGERANT BLENDS

КОМПОЗИЦИЯ, СОДЕРЖАЩАЯ ФТОРЗАМЕЩЕННЫЕ ОЛЕФИНЫ, И СПОСОБЫ ЕЕ ПРИМЕНЕНИЯ

В настоящей заявке описаны композиции для передачи тепла, содержащие: (а) по меньшей мере, один фторалкен, имеющий, по меньшей мере, четыре галогеновых заместителя и не содержащий бромистых заместителей, по меньшей мере, три из указанных галогеновых заместителей представляют собой фтор, причем фторалкен имеет формулу (2) ! ! где каждый R представляет собой независимо Cl, F, I или Н, ! R' означает группу (CR2)nY, Y означает CRF2 ! и n означает 0 или 1, при условии, что при ненасыщенном концевом углероде имеется по крайней мере один Н; и ! (b) смазывающее масло, при условии, что указанное смазочное масло и указанный охлаждающий агент образуют одну жидкую фазу при по меньшей мере одной температуре в интервале от -50°С до +70°С и при условии, что указанная композиция для передачи тепла имеет потенциал глобального потепления (ПГП) не больше, чем приблизительно 1000. ! Также заявляется способ передачи тепла в текучую среду или в изделие, или из текучей среды или из изделия, в котором стадия контактирования ...

ТЕПЛОПЕРЕДАЮЩАЯ ТЕКУЧАЯ СРЕДА, ЗАМЕНЯЮЩАЯ R-410А

Изобретение относится к композициям, содержащим 2,3,3,3-тетрафторпропен, и их применению в качестве жидких теплоносителей. Описывается применение трехкомпонентной композиции 2,3,3,3-тетрафторпропена в качестве теплопередающей текучей среды в холодильных системах вместо смеси R-410A. Указанная композиция содержит от 40 до 58 мас. % 2,3,3,3-тетрафторпропена, от 2 до 10 мас. % 1,1-дифторэтана и от 40 до 50 мас. % дифторметана. Описывается также способ теплопередачи с использованием указанной композиции. Изобретение обеспечивает нулевое значение истощения озонового слоя (ODP) и пониженное по сравнению с R-410A значение потенциала потепления (GWP) при повышенном коэффициенте полезного действия. 2 н. и 7 з.п. ф-лы, 3 табл.

ТРЕХКОМПОНЕНТНЫЕ КОМПОЗИЦИИ ДЛЯ ОХЛАЖДЕНИЯ МАЛОЙ ПРОИЗВОДИТЕЛЬНОСТИ

Изобретение относится к композициям, содержащим 2,3,3,3-тетрафторпропен, применяемым в качестве теплопередающей жидкости. Описывается применение композиции, содержащей от 10 до 90 мас. % 2,3,3,3-тетрафторпропена, от 5 до 80 мас. % HFC-134a и от 5 до 10 мас. % HFC-32, в качестве теплопередающей текучей среды в компрессионных системах охлаждения с теплообменниками, функционирующими в противоточном режиме. Изобретение обеспечивает озонобезопасную теплопередающую композицию, имеющую нулевое значение истощения озонового слоя (ODP) и пониженное по сравнению с HFC-134a значение потенциала глобального потепления (GWP) при повышенном коэффициенте полезного действия. 5 з.п. ф-лы, 2 табл.

КОМПОЗИЦИЯ, СОДЕРЖАЩАЯ 2,3,3,3-ТЕТРАФТОРПРОПЕН И 1,1,1,2-ТЕТРАФТОРЭТАН, ОХЛАДИТЕЛИ, СОДЕРЖАЩИЕ ИХ, И СПОСОБЫ ОСУЩЕСТВЛЕНИЯ В НИХ ОХЛАЖДЕНИЯ

... 1. Аппарат-охладитель, содержащий композицию, содержащую от около 6 до около 70 весовых процентов 2,3,3,3-тетрафторпропена и от около 30 до около 94 весовых процентов 1,1,1,2-тетрафторэтана.2. Аппарат-охладитель по п.1, подходящий для применения с HFC-134a.3. Аппарат-охладитель по п.1, подходящий для применения с CFC-12.4. Аппарат-охладитель по п.1, где указанная композиция содержит от около 38 до около 67 весовых процентов 2,3,3,3-тетрафторпропена и от около 62 до около 33 весовых процентов 1,1,1,2-тетрафторэтана.5. Аппарат-охладитель по п.1, где указанная композиция содержит от около 54 до около 67 весовых процентов 2,3,3,3-тетрафторпропена и от около 46 до около 33 весовых процентов 1,1,1,2-тетрафторэтана.6. Аппарат-охладитель по п.1, где указанная композиция содержит от около 54,0 до около 56,0 весовых процентов 2,3,3,3-тетрафторпропена и от около 46,0 до около 44,0 весовых процентов 1,1,1,2-тетрафторэтана.7. Аппарат-охладитель по п.6, где указанная композиция содержит около 55 весовых ...

КОМПОЗИЦИЯ, СОДЕРЖАЩАЯ ФТОРЗАМЕЩЕННЫЕ ОЛЕФИНЫ, И СПОСОБЫ ЕЕ ПРИМЕНЕНИЯ

... 1. Вспенивающаяся композиция, содержащая, по меньшей мере, один пенообразующий компонент и пенообразователь, содержащий, по меньшей мере, один фторалкен, имеющий четыре галогеновых заместителя, причем указанный фторалкен имеет формулу (2)где каждый R независимо представляет собой Cl, F, Br, I или Н,R' представляет собой (CR)Y,Y представляет собой CF,и n означает 0 или 1, где, по меньшей мере, один R при ненасыщенном концевом атоме углерода представляет собой Н;причем указанный, по меньшей мере, один фторалкен имеет потенциал глобального потепления (ПГП) не больше, чем приблизительно 1000.2. Пена, включающая полимерную ячеистую структуру и пенообразователь, содержащийся в указанной ячеистой структуре, причем указанный пенообразователь содержит, по меньшей мере, один фторалкен, имеющий четыре галогеновых заместителя и имеющий формулу (2):где каждый R независимо представляет собой Cl, F, Br, I или Н,R' представляет собой (CR)Y,Y представляет собой CF,и n означает 0 или 1, где, по меньшей мере ...

КОМПОЗИЦИИ, СОДЕРЖАЩИЕ 2,3,3,3-ТЕТРАФТОРПРОПЕН, 1,1,2,3-ТЕТРАХЛОРПРОПЕН, 2-ХЛОР-3,3,3-ТРИФТОРПРОПЕН ИЛИ 2-ХЛОР-1,1,1,2,-ТЕТРАФТОРПРОПАН

... 1. Композиция, включающая HFO-1234yf и по меньшей мере одно дополнительное соединение, выбранное из группы, состоящей из HCO-1250xf, HCC-260da, HCC-260db, HCC-240aa, HCO-1230xa, HCFO-1233xf, HCFO-1233zd, HCFC-244bb, HCFC-244db, HFO-1234ze, HFC-245cb, HFO-1243zf, HCFO-1223za, HCFO-1224zb, HFO-1225zc, HCFC-241db, HCFC-242dc, HCFO-1232xf, HCFO-1231xf и HCFO-1233yf.2. Композиция по п.1, отличающаяся тем, что включает HCFO-1232xf.3. Композиция по п.2, отличающаяся тем, что дополнительно включает по меньшей мере одно соединение, выбранное из группы, состоящей из HCFC-243db, HCFO-1233xf, HCFO-1231xf, HCFC-242dc и HCFC-241db.4. Композиция по п.1, отличающаяся тем, что дополнительно включает по меньшей мере одно соединение, выбранное из группы, состоящей из HCFC-243db и HFC-245fa.5. Композиция по п.1, отличающаяся тем, что включает менее чем приблизительно 1% вес. указанного дополнительного соединения на основе общей массы композиции.6. Композиция по любому из пп.1-5, отличающаяся тем, что дополнительно ...

РАБОЧАЯ ЖИДКОСТЬ ДЛЯ ТЕПЛОВОГО ЦИКЛА, КОМПОЗИЦИЯ ДЛЯ СИСТЕМЫ ТЕПЛОВОГО ЦИКЛА И СИСТЕМА ТЕПЛОВОГО ЦИКЛА

Arbeitsfluid für einen Wärmekreisprozess, Zusammensetzung für ein Wärmekreisprozesssystem und Wärmekreisprozesssystem

Die Bereitstellung eines Arbeitsfluids für einen Wärmekreisprozess, das ein geringes Potenzial für eine globale Erwärmung aufweist und das R410A ersetzen kann, eine Zusammensetzung für ein Wärmekreisprozesssystem, welche dieses umfasst, sowie ein Wärmekreisprozesssystem, bei dem die Zusammensetzung eingesetzt wird. Ein Arbeitsfluid für einen Wärmekreisprozess, das Trifluorethylen und 2,3,3,3-Tetrafluorpropen umfasst, wobei der Gesamtanteil von Trifluorethylen und 2,3,3,3-Tetrafluorpropen auf der Basis der Gesamtmenge des Arbeitsfluids von 70 bis 100 Massen-% beträgt und der Anteil von Trifluorethylen auf der Basis der Gesamtmenge von Trifluorethylen und 2,3,3,3-Tetrafluorpropen von 35 bis 95 Massen-% beträgt, eine Zusammensetzung für ein Wärmekreisprozesssystem, welche dieses umfasst, sowie ein Wärmekreisprozesssystem, bei dem die Zusammensetzung eingesetzt wird.

Compositions

Compositions

Heat transfer compositions

Compositions

Heat transfer compositions

Refrigerant mixtures comprising tetrafluoropropene, difluoromethane, pentafluoroethane, and tetrafluoroethane and uses thereof

A non-flammable refrigerant mixture is disclosed. The non-flammable refrigerant mixture consists essentially of (a) from 20 weight percent to 25.5 weight percent HFO-1234yf, (b) from 20 weight percent to 24.5 weight percent HFC-32, (c) from 24.5 weight percent to 30 weight percent HFC-125 (d) from 25.5 weight percent to 30 weight percent HFC-134a, and (e) from about 0.0001 weight percent to 10 weight percent trans-HFO-1234ze. These refrigerant mixtures are useful as components in compositions also containing non-refrigerant components (e.g. lubricants), in processes to produce cooling, in methods for replacing refrigerant R-404A or R-507, and in refrigeration apparatus.

Refrigerant mixtures comprising tetrafluoropropene, difluoromethane, pentafluoroethane, and tetrafluoroethane and uses thereof

A non-flammable refrigerant mixture is disclosed. The non-flammable refrigerant mixture consists essentially of (a) from 20 weight percent to 25.5 weight percent HFO-1234yf, (b) from 20 weight percent to 24.5 weight percent HFC-32, (c) from 24.5 weight percent to 30 weight percent HFC-125 (d) from 25.5 weight percent to 30 weight percent HFC-134a, and (e) from about 0.0001 weight percent to 10 weight percent trans-HFO-1234ze. These refrigerant mixtures are useful as components in compositions also containing non-refrigerant components (e.g. lubricants), in processes to produce cooling, in methods for replacing refrigerant R-404A or R-507, and in refrigeration apparatus.

Compositions containing fluorine substituted olefins

The use to e of tetrafluoropropenes, particularly (HFO-1234) in a variety of applications, including refrigeration equipment, is disclosed. These materials are generally useful as 5 refrigerants for heating and cooling, as blowing agents, as aerosol propellants, as solvent composition, and as fire extinguishing and suppressing agents.

Use of E-1,1,1,4,4,4-hexafluoro-2-butene in heat pumps

Disclosed is a method for producing heating in a heat pump that involves extracting heat from a working fluid comprising E-HFO-1336mzz, in a heat exchanger, thereby producing a cooled working fluid. Also disclosed is a method for producing heating in a heat pump wherein heat is exchanged between at least two cascade stages. Also disclosed is a heat pump apparatus including a working fluid heater, compressor, working fluid cooler and expansion device and said apparatus contains a working fluid comprising E-HFO-1336mzz. Also disclosed is a method for replacing CFC-114, HFC-245fa, HFC-236fa, HCFC-124, HFC-134a, CFC-12 working fluid in a heat pump designed for said working fluid that involves providing a replacement working fluid comprising E-HFO-1336mzz. Also disclosed is a composition containing (i) a working fluid consisting essentially of E-HFO-1336mzz; and (ii) a stabilizer; or (iii) a lubricant; or both (ii) and (iii).

Heat exchange unit

Provided is a heat exchange unit in which it is difficult for a refrigerant to reach an electrical component unit even when using a flammable refrigerant. According to the present invention, an outdoor unit (20) constituting a portion of an air conditioning device (1) and connected to an indoor unit (30) through a liquid-side refrigerant communication pipe (6) and a gas-side refrigerant communication pipe (5) is provided with: an outdoor housing (50); an outdoor heat exchanger (23) installed inside the outdoor housing (50) and having a refrigerant flowing therein; a liquid-side closing valve (29) connected to the liquid-side refrigerant communication pipe (6); a gas-side closing valve (28) connected to the gas-side refrigerant communication pipe (5); and an outdoor electrical component unit (8) provided inside the outdoor housing (50), wherein the refrigerant is a flammable refrigerant containing at least 1,2-difluoroethylene, and the outdoor electrical component unit (8) is installed such ...

Refrigerant-containing composition, use thereof and refrigerator comprising same, and method for operating said refrigerator

Provided is a refrigerant composition that combines two capabilities, i.e., a coefficient of performance equivalent to that of R410A and a satisfactorily low GWP. Provided is a refrigerant-containing composition wherein the refrigerant contains, each at a prescribed concentration, trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and difluoromethane (R32).

Compositions comprising 1,1,2,2-tetrafluoroethane and uses thereof

The present disclosure relates to compositions comprising 1,1,2,2-tetrafluoroethane and at least one additional compound selected from the group consisting of 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1-trifluoroethane, difluoromethane, octafluorocyclobutane, 1,1,1,2,3,4,4,4-octafluoro-2-butene, 1,1,1,2,3,3,3-heptafluoropropane, 1,1,3,3,3-pentafluoropropene, 1,1,1,2,2-pentafluoropropane, 1,2,3,3,3-pentafluoropropene, pentafluoroethane, chlorodifluoromethane, 2-chloro-1,1,1,2-tetrafluoroethane, 1-chloro-1,1,2,2-tetrafluoroethane, methyl chloride, chlorofluoromethane, 1,2-dichloro-1,1,2,2-tetrafluoroethane, 1,1-dichloro-1,2,2,2-tetrafluoroethane, 1,1-difluoroethylene, and 1,1,2-trifluoroethylene and combinations thereof. These compositions are useful as refrigerants, heat transfer compositions, thermodynamic cycle (e.g. heating or cooling cycle) working fluids, aerosol propellants, foaming agents (blowing agents), solvents, cleaning agents, carrier fluids, displacement drying agents, buffing ...

Coolant-containing composition, use for same, refrigerator having same, and method for operating refrigerator

The present invention addresses the problem of providing a mixed coolant which exhibits three types of performance which consist of a refrigerating capability and performance coefficient which are identical to those of R410A, and a sufficiently low GWP. The present invention solves the problem by providing a coolant-containing composition, wherein the coolant contains trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and 2,3,3,3-tetrafluoro-1-propene (R1234yf).

REFRIGERANT, HEAT TRANSFER COMPOSITIONS, METHODS, AND SYSTEMS

Disclosed are refrigerants, and heat transfer compositions, heat transfer systems and heat transfer methods containing such refrigeratns, wherein the refrigerant comprises at least about 97% by weight of the following three components (a) - (c) and the following fourth compontent if present: (a) trans-1 -chloro-3,3,3-trifluoropropene (HFCO-1233zd(E)), (b) trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)), (c) trifluoroiodomethane (CF3I), and. (d) 1,1,1,2,3,3, 3-heptafluoropropane (HFC-227ea).

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

COMPOSITIONS

The invention provides a composition comprising (a) from about 6 to about 18 weight % R-1132a, (b) from about 5 to about 35 weight % R-32, and (c) from about 47 to about 89 weight % R-1234yf. The use of such a composition as a working fluid in a heat pump system of a vehicle, preferably an electric vehicle, is also provided.

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

The present disclosure relates to compositions comprising 2,3,3,3-tetrafluoropropene that may be useful as heat transfer compositions, aerosol propellants, foaming agents, blowing agents, solvents, cleaning agents, carrier fluids, displacement drying agents, buffing abrasion agents, polymerization media, expansion agents for polyolefins and polyurethane, gaseous dielectrics, extinguishing agents, and fire suppression agents in liquid or gaseous form. Additionally, the present disclosure relates to compositions comprising 1,1,2,3-tetrachloropropene, 2-chloro-3,3, 3-trifluoropropene, or 2-chloro-1,1,1,2-tetrafluoropropane, which may be useful in processes to produce 2,3,3,3-tetrafluoropropene.

TERNARY HYDROFLUOROCARBON REFRIGERANT GAS COMPOSITION

Present invention relates to a refrigerant composition comprising tetrafluorethane, difluoromethane and pentafluoroethane for use in heating and cooling applications, especially for inverter air-conditioners / heat pumps.

HEAT TRANSFER FLUIDS COMPRISING DIFLUOROMETHANE, PENTAFLUOROETHANE, TETRAFLUOROPROPENE AND OPTIONALLY PROPANE

L'invention concerne une composition comprenant:- de 11 à 13 % en poids de difluorométhane; - de 58 à 62 % en poids de pentafluoroéthane; - de 18 à 29 % en poids de tétrafluoropropène; et - de 0 à 7 % en poids de propane. Le tétrafluoropropène peut être le 1,3,3,3-tétrafluoropropène ou le 2,3,3,3-tétrafluoropropène. Cette composition peut être utilisée en tant que fluide de transfert de chaleur dans un circuit de compression de vapeur.

Compositions containing fluorine substituted olefins and methods and systems using same

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.

Tetrafluoropropene compositions and uses thereof

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.

Azeotrope-like compositions of tetrafluoropropene and hydrofluorocarbons

Provided are azeotrope-like compositions comprising tetrafluoropropene and hydrofluorocarbons and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.

COMPOSITIONS COMPRISING Z-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE AND USES THEREOF

The present disclosure relates to compositions comprising Z-1,1,1,4,4,4-hexafluoro-2-butene and additional compounds that may be useful as refrigerants, heat transfer compositions, aerosol propellants, foaming agents, blowing agents, solvents, cleaning agents, carrier fluids, displacement drying agents, buffing abrasion agents, polymerization media, expansion agents for polyolefins and polyurethane, gaseous dielectrics, power cycle working fluids, extinguishing agents, and fire suppression agents in liquid or vapor form. 1. A composition comprising Z—HFO-1336mzz and at least one additional compound selected from the group consisting of HFO-1243zf , HCC-40 , HCFO-1223 , CFC-113a , CFC-113 , CFC-11 , HFO-1429 , HFC-449 , HFC-365 , HFO-1327 , HFO-1132 , HCFC-123a , chlorobutane , ethyl benzene , o-xylene , m-xylene , p-xylene , HCFO-1334 , and HCFO-1333.2. The composition of further comprising at least one tracer compound selected from the group consisting of HFC-356 claim 1 , HCFC-123 claim 1 , HCFC-133a claim 1 , HFC-143a claim 1 , HCFO-1122 claim 1 , HCFO-1122a claim 1 , CFO-1316 claim 1 , HCFO-1335 claim 1 , HFO-1345 claim 1 , and HCFO-1326.3. The composition of comprising at least one composition selected from the group consisting of:Z—HFO-1336mzz, HFO-1429, and HCFO-1335;Z—HFO-1336mzz, HFO-1429, and HFO-1345;Z—HFO-1336mzz, HFO-1429, and HCFC-123;Z—HFO-1336mzz, HFO-1429, and CFC-11;Z—HFO-1336mzz, HFO-1429, HCFO-1335, and HFO-1345;Z—HFO-1336mzz, HFO-1429, HCFO-1335, and HCFC-123;Z—HFO-1336mzz, HFO-1429, HCFO-1335, and CFC-11;Z—HFO-1336mzz, HFO-1429, HFO-1345, and HCFC-123;Z—HFO-1336mzz, HFO-1429, HFO-1345, and CFC-11;Z—HFO-1336mzz, HFO-1429, HCFO-1335, HFO-1345, and HCFC-123;Z—HFO-1336mzz, HCFO-1335, and CFC-11;Z—HFO-1336mzz, HCFO-1335, and HCFO-1334;Z—HFO-1336mzz, HFO-1345, and CFC-11;Z—HFO-1336mzz, HFC-365, and HCFO-1326;Z—HFO-1336mzz, HFC-365, and CFC-11;Z—HFO-1336mzz, HFO-1243zf, and HCFO-1122;Z—HFO-1336mzz, HFO-1243zf, and HCC-40;Z—HFO-1336mzz, HCFO-1122, and ...

COMPOSITIONS COMPRISING E-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE AND USES THEREOF

The present disclosure relates to compositions comprising E-1,1,1,4,4,4-hexafluoro-2-butene and additional compounds that may be useful as refrigerants, heat transfer compositions, aerosol propellants, foaming agents, blowing agents, solvents, cleaning agents, carrier fluids, displacement drying agents, buffing abrasion agents, polymerization media, expansion agents for polyolefins and polyurethane, gaseous dielectrics, power cycle working fluids, extinguishing agents, and fire suppression agents in liquid or vapor form, and in methods for detecting leaks. 1. A composition comprising E-HFO-1336mzz and at least one additional compound selected from the group consisting of HFO-1243zf , HCC-40 , HCFO-1223 , CFC-113a , CFC-113 , CFC-11 , HFO-1429 , HFC-449 , HFC-365 , HFO-1327 , HFO-1132 , HCFC-123a , chlorobutane , ethyl benzene , o-xylene , m-xylene , p-xylene , HCFO-1334 , and HCFO-1333.2. The composition of further comprising at least one tracer compound selected from the group consisting of HFC-356 claim 1 , HCFC-123 claim 1 , HCFC-133a claim 1 , HFC-143a claim 1 , HCFO-1122 claim 1 , HCFO-1122a claim 1 , CFO-1316 claim 1 , HCFO-1335 claim 1 , HFO-1345 claim 1 , and HCFO-1326.3. The composition of +--comprising at least one composition selected from the group consisting of:E-HFO-1336mzz, HFO-1429, and HCFO-1335;E-HFO-1336mzz, HFO-1429, and HFO-1345;E-HFO-1336mzz, HFO-1429, and HCFC-123;E-HFO-1336mzz, HFO-1429, and CFC-11;E-HFO-1336mzz, HFO-1429, HCFO-1335, and HFO-1345;E-HFO-1336mzz, HFO-1429, HCFO-1335, and HCFC-123;E-HFO-1336mzz, HFO-1429, HCFO-1335, and CFC-11;E-HFO-1336mzz, HFO-1429, HFO-1345, and HCFC-123;E-HFO-1336mzz, HFO-1429, HFO-1345, and CFC-11;E-HFO-1336mzz, HFO-1429, HCFO-1335, HFO-1345, and HCFC-123;E-HFO-1336mzz, HCFO-1335, and CFC-11;E-HFO-1336mzz, HCFO-1335, and HCFO-1334;E-HFO-1336mzz, HFO-1345, and CFC-11;E-HFO-1336mzz, HFC-365, and HCFO-1326;E-HFO-1336mzz, HFC-365, and CFC-11;E-HFO-1336mzz, HFO-1243zf, and HCFO-1122;E-HFO-1336mzz, HFO-1243zf, ...

COMPOSITIONS COMPRISING 1,1-DIFLUOROETHENE, TRIFLUOROMETHANE AND A THIRD COMPONENT

The present invention provides a composition, such as a refrigerant composition comprising 1, 1-difluoroethene (vinylidene fluoride, R-1132a); trifluoromethane (R-23); and one or more compound selected from hexafluoroethane (R-116), ethane (R-170) and carbon dioxide (R-744, CO). 1. A composition comprising:i) 1,1-difluoroethene (vinylidene fluoride, R-1132a);ii) trifluoromethane (R-23); and{'sub': '2', 'iii) one or more compound selected from hexafluoroethane (R-116), ethane (R-170) and carbon dioxide (R-744, CO).'}2. A composition according to comprising:v) 1,1-difluoroethene (vinylidene fluoride, R-1132a);vi) trifluoromethane (R-23); andvii) one or more compound selected from hexafluoroethane (R-116) and/or ethane (R-170); and{'sub': '2', 'viii) carbon dioxide (R-744, CO).'}3. A composition according to or comprising:v) 1,1-difluoroethene (vinylidene fluoride, R-1132a);vi) trifluoromethane (R-23); andvii) one or more compound selected from hexafluoroethane (R-116) and/or ethane (R-170); and{'sub': '2', 'viii) less than about 50% by weight carbon dioxide (R-744, CO).'}4. A composition according to any the preceding claims comprising from about 1 to about 98% by weight R-1132a.5. A composition according to any the preceding claims comprising from about 35 to about 95% by weight R-1132a.6. A composition according to any the preceding claims comprising from about 1 to about 98% by weight R-23.7. A composition according to any the preceding claims comprising up to about 80% by weight R-116.8. A composition according to comprising from about 1 to about 60% by weight R-116.9. A composition according to any of the preceding claims comprising from about 1 to about 40% by weight R-116 claim 7 , from about 5 to about 98% by weight R-1132a and from about 5 to about 98% by weight R-23.10. A composition according to comprising from about 1 to about 30% by weight R-116 claim 9 , from about 20 to about 90% by weight R-1132a and from about 5 to about 95% by weight R-23.11. A ...

COMPOSITIONS COMPRISING 2,3,3,3-TETRAFLUOROPROPENE AND HYDROCARBONS AND USES THEREOF

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises 2,3,3,3-tetrafluoropropene (HFC-1234yf) and at least one hydrocarbon. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, and aerosol propellants. 1. A composition selected from the group consisting of compositions comprising:HFO-1234yf and cyclopropane;HFO-1234yf and propylene;HFO-1234yf, HFC-152a, and cyclopropane;HFO-1234yf, HFC-152a, and propane; andHFO-1234yf, HFC-134a, and cyclopropane.2. The composition of comprising a near-azeotropic composition comprising:about 1 weight percent to about 99 weight percent HFO-1234yf and about 99 weight percent to about 1 weight percent cyclopropane;about 1 weight percent to about 86 weight percent HFO-1234yf, about 99 weight percent to about 14 weight percent propylene;about 95 weight percent to about 99 weight percent HFO-1234yf, about 5 weight percent to about 1 weight percent propylene;about 1 weight percent to about 98 weight percent HFO-1234yf, about 1 weight percent to about 98 weight percent HFC-152a, and about 1 weight percent to about 98 weight percent cyclopropane;about 1 weight percent to about 98 weight percent HFO-1234yf, about 1 weight percent to about 98 weight percent HFC-152a, and about 20 weight percent to about 98 weight percent propane; andabout 1 weight percent to about 98 weight percent HFO-1234yf; about 1 weight percent to about 98 weight percent HFC-134a, and about 1 weight percent to about 98 weight percent cyclopropane.3. The composition of comprising an azeotropic composition comprising:about 65.4 weight percent HFC-1234yf and about 34.6 weight percent cyclopropane at 25° C. and about 123.8 psia (kPa);about 23.9 weight percent HFO-1234yf and about 76.1 weight percent propylene at 25° C. and about 167.7 psia (kPa);about 52.6 weight percent HFO-1234yf, about 11.1 ...

REFRIGERANT CIRCULATION DEVICE AND REFRIGERANT CIRCULATION METHOD

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 ...

TETRAFLUOROPROPENE COMPOSITIONS AND USES THEREOF

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. 1. A composition selected from the group consisting of compositions comprising:HFO-1234yf, HFC-125, and HFC-152a;HFO-1234yf, HFC-125, and HFC-134a;HFO-1234yf, HFC-32, and HFC-134a;HFO-1234yf, HFC-32, HFC-125, and HFC-134a;HFO-1234ze and HFC-125;HFO-1234ze, HFC-125, and HFC-152a;HFO-1234ze, HFC-125, and HFC-134a;HFO-1234ze, HFC-32, and HFC-134a; andHFO-1234ze, HFC-32, HFC-125, and HFC-134a.2. The composition of comprising a composition selected from:about 80 weight percent to about 99 weight percent trans-HFO-1234ze and from about 20 weight percent to about 1 weight percent HFC-125.3. The composition of comprising a near-azeotropic composition comprising:about 1 weight percent to about 98 weight percent HFO-1234yf, about 1 weight percent to about 98 weight percent HFC-152a, and about 1 weight percent to about 98 weight percent HFC-125;about 1 weight percent to about 98 weight percent HFO-1234yf, about 1 weight percent to about 98 weight percent HFC-125, and about 1 weight percent to about 98 weight percent HFC-134a;about 1 weight percent to about 98 weight percent HFO-1234yf, about 1 weight percent to about 4 weight percent HFC-32, and about 1 weight percent to about 98 weight percent HFC-134a;about 1 weight percent to about 55 weight percent HFO-1234yf; about 45 weight percent to about 98 weight percent HFC-32, and about 1 weight percent to about 55 weight percent HFC-134a;about 1 weight percent to about 97 weight percent HFO-1234yf, about 1 weight percent to about 97 weight percent HFC-134a, about 1 weight percent to about 97 weight percent HFC-125, and ...

Systems for efficient heating and/or cooling and having low climate change impact

The present invention relates, in part, to heat transfer systems, methods and compositions which utilize a heat transfer fluid comprising: (a) from about or greater than about 0% to about 15% by weight of HCFO-1233zd; (b) from about 65% to less than about 100% by weight of HFO-1234ze, or HFO-1234yf, or combinations thereof; and (c) from greater than about 0% to about 20% by weight of HFC-125, with the weight percent being based on the total of the components (a)-(c) in the composition.

REFRIGERANTS WITH REDUCED FLAMMABILITY PROFILE

The present disclosure is directed to refrigerant compositions having reduced flammability profiles. The reduced flammability refrigerants comprise a refrigerant and an additive. Also disclosed are methods of increasing the minimum ignition energy of a refrigerant and methods of increasing the lower flammability limit of a refrigerant. The present disclosure is also directed to a method of scavenging radicals in a refrigerant. 1. A refrigerant composition , comprising a refrigerant and a flammability-reducing additive.2. The composition according to claim 1 , wherein the additive is a radical scavenging additive.3. The composition of claim 1 , wherein the additive is a dilution additive.4. The composition of claim 1 , wherein the additive is a halogenated hydrocarbon compound.5. The composition according to claim 1 , wherein the additive is an organometallic compound claim 1 , an organophosphorus compound claim 1 , a halogenated sulfur compound claim 1 , or a mono or multi sulfides compound.6. The composition according to claim 1 , wherein the additive is limonene oxide claim 1 , Alpha-methylstyrene claim 1 , p-methoxyphenol claim 1 , 4-Cert-butylcatechol or 2 claim 1 ,6-di-tertbutylphenol.7. The composition according to claim 1 , wherein the composition comprises at least two additives.8. The composition according to claim 1 , wherein the composition comprises at least three additives.9. The composition according to claim 1 , wherein the composition comprises at least two refrigerants.10. The composition according to claim 1 , wherein the composition comprises at least three refrigerants.11. The composition according to claim 1 , wherein the refrigerant is a Class 2L claim 1 , Class 2 claim 1 , or Class 3 refrigerant.12. The composition according to claim 1 , wherein the refrigerant is a Class 2L refrigerant.13. The composition according to claim 1 , wherein the refrigerant comprises one or more of R-32 claim 1 , HFO-1234yf claim 1 , HFO-1234ze claim 1 , and HFC- ...

COMPOSITIONS CONTAINING DIFLUOROMETHANE AND FLUORINE SUBSTITUTED OLEFINS

Compositions comprising multi-fluorinated olefins and HFC-32 are disclosed. Such compositions are useful particularly for in stationary refrigeration and air conditioning equipment. 1. A refrigerant consisting essentially of:(a) from 70% to 80% by weight of 1234yf; and(b) from 20% to 30% by weight of R-32.2. The refrigerant of consisting of:(a) from 70% to 80% by weight of 1234yf; and(b) from 20% to 30% by weight of R-32.3. An air conditioning system comprising the refrigerant of .4. An air conditioning system according to wherein said system was a system for use with R-404A.5. A stationary air conditioning system comprising the refrigerant of .6. A stationary air conditioning system according to wherein said system was a system for use with R-404A.7. A low temperature refrigeration system comprising the refrigerant of .8. An low temperature refrigeration system according to wherein said system was a system for use with R-404A.9. A medium temperature refrigeration system comprising the refrigerant of .10. A medium temperature refrigeration system according to wherein said system was a system for use with R-404A.11. A refrigerant consisting essentially of:(a) about 80% by weight of 1234yf; and(b) about 20% by weight of R-32.12. An air conditioning system comprising the refrigerant of .13. An air conditioning system according to wherein said system was a system for use with R-404A.14. A stationary air conditioning system comprising the refrigerant of .15. A stationary air conditioning system according to wherein said system was a system for use with R-404A.16. A low temperature refrigeration system comprising the refrigerant of .17. An low temperature refrigeration system according to wherein said system was a system for use with R-404A.18. A medium temperature refrigeration system comprising the refrigerant of .19. A medium temperature refrigeration system according to wherein said system was a system for use with R-404A.20. The refrigerant of consisting of:(a) about ...

INDOOR UNIT FOR REFRIGERATION DEVICE

Provided is an indoor unit for a refrigeration apparatus that is capable of detecting a refrigerant leak while suppressing condensation on a refrigerant gas sensor. An indoor unit () for an air conditioner () including a refrigerant circuit () includes a casing (), an indoor fan (), and a refrigerant gas sensor (). The refrigerant circuit () has refrigerant charged therein, and performs a refrigeration cycle. The casing () houses at least a portion of the refrigerant circuit (), and has a blow-out port () that opens in a direction other than an up-down direction. The indoor fan () is housed in the casing (), and generates an air flow (F) directed from the blow-out port () to outside the casing (). The refrigerant gas sensor () is capable of detecting a refrigerant gas below a bottom surface () of the casing (). 15015025010010. An indoor unit ( , , ) for a refrigeration apparatus () including a refrigerant circuit () that has refrigerant charged therein and that performs a refrigeration cycle , the indoor unit for the refrigeration apparatus comprising:{'b': 60', '64, 'a casing () that houses at least a portion of the refrigerant circuit, the casing having a blow-out port () that opens in a direction other than an up-down direction;'}{'b': '53', 'a fan () that is housed in the casing and that generates an air flow directed from the blow-out port to outside the casing; and'}{'b': 81', '63', '61, 'a refrigerant gas sensor () capable of detecting a refrigerant gas below a lower surface () of the casing or above an upper surface () of the casing.'}2. The indoor unit for the refrigeration apparatus according to claim 1 , whereinthe refrigerant charged in the refrigerant circuit is a single-component refrigerant that is one of a flammable refrigerant, a low flammable refrigerant, a mildly flammable refrigerant, and a highly toxic refrigerant, or a refrigerant mixture of two or more thereof.3. The indoor unit for the refrigeration apparatus according to claim 1 , wherein{'b ...

COMPOSITIONS AND METHOD FOR REFRIGERATION

The present invention relates, in part, to heat transfer systems, methods and compositions which utilize a heat transfer fluid comprising: (a) HFO-1234ze; (b) HFC-227ea; and (c) optionally HFC-134a, wherein HFO-1234ze and HFC-227ea are provided in effective amounts to form an azeotrope or azeotrope-like composition. 1. A heat transfer composition comprising: (a) HFO-1234ze; (b) HFC-227ea; and (c) optionally HFC-134a , wherein HFO-1234ze and HFC-227ea are provided in effective amounts to form an azeotrope or azeotrope-like composition.2. The heat transfer composition of claim 1 , where HFO-1234ze consists essentially of trans-HFO-1234ze.3. The heat transfer composition of comprising (a) from about 80 wt. % to about 95 wt. % of HFO-1234ze; and (b) from about 5 wt. % to about 20 wt. % of HFC-227ea claim 1 , with the weight percent being based on the total of the components (a)-(c) in the composition.4. The heat transfer composition of comprising (a) from about 83 wt. % to about 92 wt. % of HFO-1234ze; and (b) from about 8 wt. % to about 17 wt. % of HFC-227ea claim 1 , with the weight percent being based on the total of the components (a)-(c) in the composition.5. The heat transfer composition of comprising (a) from about 85 wt. % to about 90 wt. % of HFO-1234ze; and (b) from about 10 wt. % to about 15 wt. % of HFC-227ea claim 1 , with the weight percent being based on the total of the components (a)-(c) in the composition.6. The heat transfer composition of comprising (a) from about 88 wt. % to about 95 wt. % of HFO-1234ze; and (b) from about 8 wt. % to about 12 wt. % of HFC-227ea claim 1 , with the weight percent being based on the total of the components (a)-(c) in the composition.7. The heat transfer composition of comprising (a) from about 60 wt. % to about 95 wt. % of HFO-1234ze; (b) from about 5 wt. % to about 20 wt. % of HFC-227ea claim 1 , (c) from greater than about 0 wt. % to about 20 wt. % of HFC-134a claim 1 , with the weight percent being based on the ...

TERNARY COMPOSITIONS FOR LOW-CAPACITY REFRIGERATION

Compositions containing 2,3,3,3-tetrafluoropropene and to the uses thereof as heat transfer fluid, expansion agents, solvents and aerosol. Compositions essentially containing between 10 and 90 wt. % of 2,3,3,3-tetrafluoropropene, between 5 and 80 wt. % of HFC-134a and between 5 and 10 wt. % of HFC-32. Compositions essentially containing from 10 to 45% by weight of 2,3,3,3-tetrafluoropropene, from 50 to 80% by weight of HFC-134a and from 5 to 10% by weight of HFC-32. 110-. (canceled)11. A method of heat transfer comprising a compression refrigeration system including exchangers operating in countercurrent mode or in crossed-current mode with countercurrent tendency , wherein the compression refrigeration system includes a heat-transfer fluid comprising a refrigerant consisting essentially of from 10 to 90% by weight of 2 ,3 ,3 ,3-tetrafluoropropene , from 5 to 80% by weight of HFC-134a and from 5 to 10% by weight of HFC-32.12. The method as claimed in claim 11 , wherein the refrigerant consists essentially of from 10 to 45% by weight of 2 claim 11 ,3 claim 11 ,3 claim 11 ,3-tetrafluoropropene claim 11 , from 50 to 80% by weight of HFC-134a and from 5 to 10% by weight of HFC-32.13. The method as claimed in claim 11 , wherein the heat-transfer fluid further comprises a stabilizer.14. The method as claimed in claim 13 , wherein the stabilizer is selected from the group consisting of nitromethane claim 13 , ascorbic acid claim 13 , terephthalic acid claim 13 , azoles claim 13 , phenolic compounds claim 13 , epoxides claim 13 , phosphites claim 13 , phosphates claim 13 , phosphonates claim 13 , thiols and lactones.15. The method as claimed in claim 13 , wherein stabilizer represents at most 5% by weight relative to the refrigerant.16. The method as claimed in claim 11 , wherein the heat-transfer fluid further comprises a lubricant.17. The method as claimed in claim 16 , wherein the lubricant is selected from the group consisting of mineral oil claim 16 , alkylbenzene ...

System and method for retrofitting a refrigeration system from hcfc to hfc refrigerant

A system and method for retrofitting a refrigeration system containing an HCFC refrigerant and a compatible lubricant, with an HFC refrigerant, comprising providing a transport container containing a mixture of a miscible lubricant and the HFC refrigerant, removing the HCFC refrigerant from the refrigeration system while maintaining at least a portion of a lubricant immiscible with the HFC refrigerant, and charging the refrigeration system with the mixture. The polyol ester lubricant may be present in a range exceeding about 5-15% by weight, e.g., 8%.

HEAT TRANSFER COMPOSITIONS COMPRISING R-1225YE(E) AND R-32

The present application relates to compositions comprising (E)-1,2,3,3,3-pentafluoro-1-propene (i.e., R-1225ye(E) or HFO-1225ye(E)), R-32, and, optionally, one or more additional components, that are useful in refrigeration, air conditioning, or heat pump systems. Methods of replacing R-134a or R-513A in refrigeration, air conditioning, or heat pump systems are also provided. 1. A composition comprising (E)-1 ,2 ,3 ,3 ,3-pentafluoro-1-propene and R-32.2. The composition of claim 1 , wherein the composition comprises about 85 to about 95 weight percent (E)-1 claim 1 ,2 claim 1 ,3 claim 1 ,3 claim 1 ,3-pentafluoro-1-propene and about 15 to about 5 weight percent R-32.3. The composition of claim 1 , wherein the composition comprises about 90 weight percent (E)-1 claim 1 ,2 claim 1 ,3 claim 1 ,3 claim 1 ,3-pentafluoro-1-propene and about 10 weight percent R-32.4. The composition of claim 1 , further comprising a compound selected from HFO-1234yf claim 1 , R-125 claim 1 , and CO claim 1 , or any mixture thereof.5. The composition of claim 4 , wherein the composition comprises about 40 to about 95 weight percent (E)-1 claim 4 ,2 claim 4 ,3 claim 4 ,3 claim 4 ,3-pentafluoro-1-propene.6. The composition of claim 4 , wherein the composition comprises about 2 to about 12 weight percent R-32.7. The composition of claim 4 , wherein the composition comprises about 41 to about 48 weight percent HFO-1234yf.8. The composition of claim 4 , wherein the composition comprises about 1 to about 6 weight percent R-125.9. The composition of claim 4 , wherein the composition comprises about 1 to about 3 weight percent CO.10. The composition of claim 4 , wherein the composition comprises (E)-1 claim 4 ,2 claim 4 ,3 claim 4 ,3 claim 4 ,3-pentafluoro-1-propene claim 4 , R-32 claim 4 , HFO-1234yf claim 4 , and R-125.11. The composition of claim 10 , wherein the composition comprises about 41 to about 49 weight percent (E)-1 claim 10 ,2 claim 10 ,3 claim 10 ,3 claim 10 ,3-pentafluoro-1-propene ...

USE OF R-1233 IN LIQUID CHILLERS

This invention relates to the use of chloro-trifluoropropenes as refrigerants in negative-pressure liquid chillers and methods of replacing an existing refrigerant in a chiller with chloro-trifluoropropenes. The chloro-trifluoropropenes, particularly 1-chloro-3,3,3-trifluoropropene, have high efficiency and unexpectedly high capacity in liquid chiller applications and are useful as more environmentally sustainable refrigerants for such applications, including the replacement of R-123 and R-11. 1. A chiller system comprising a compressor , at least one liquid cooler , at least one condenser , a purge unit , and a refrigerant; wherein said compressor is a centrifugal compressor and said refrigerant comprises 1-chloro-3 ,3 ,3-trifluoropropene , and where in the 1-chloro-3 ,3 ,3-trifluoropropene comprises greater than 70 wt % the trans-isomer.2. The chiller system of wherein said compressor is a centrifugal compressor.3. The chiller system of wherein said compressor is a multistage compressor.4. The chiller system of wherein said multistage compressor is a centrifugal compressor with 2 or 3 stages.5. The chiller system of wherein said compressor is an oil-free compressor.6. The chiller system of wherein said liquid cooler is a flooded evaporated.7. The chiller system of wherein said compressor contains a lubricant.8. The chiller system of wherein said at least one condenser comprises at least one water-cooled condenser.9. The chiller system of wherein said at least one condenser comprises at least one air-cooled condenser.10. The chiller system of wherein one of said at least one condensers of the chiller system is operated at temperatures ranging from about 26.7° C. (80° F.) to 60° C. (140° F.).11. The chiller system of wherein said chiller system is a heat recovery chiller system.12. The heat recovery chiller system of wherein heat is recovered from water leaving said at least one water-cooled condenser.13. The heat recovery chiller system of wherein heat is recovered ...

Heat transfer methods, systems and compositions

Disclosed are refrigerants comprising at least about 97% by weight of a blend of three compounds, said blend consisting of: from about 40% by weight to about 49% by weight difluoromethane (HFC-32), from about 6% by weight to about 12% by weight pentafluoroethane (HFC-125), from about 33% by weight to about 40% by weight trifluoroiodomethane (CF 3 I); and from about 2% by weight to about 12% by weight of trans 1,3,3,3-tetrafluoropropene (trans HFO-1234ze), wherein the percentages are based on the total weight of the three compounds in the blend, and systems and method using same.

Working fluid for heat cycle, composition for heat cycle system, and heat cycle system

A working fluid for heat cycle, wherein the global warming potential is less than 300; the product of the relative coefficient of performance and the relative refrigerating capacity is at least 0.820 relative to R410A in a standard refrigerating cycle under conditions of an evaporation temperature of 0° C., a condensing temperature of 40° C., a supercoiling degree of 5° C. and a degree of superheat of 5° C.; the relative compressor discharge gas pressure is at most 1.100; the lower limit of the combustion range by method A in High Pressure Gas Safety Act is at least 5 vol %; and the pressure will not exceed 2.00 MPaG in a combustion test by method A in High Pressure Gas Safety act under 0.98 MPaG at 250° C.

COMPOSITIONS COMPRISING 1,1-DIFLUOROETHENE (R-1132A)

The invention provides a composition comprising 1,1-difluoroethene (R-1132a); a second component selected from the group consisting of hexafluoroethane (R-116), ethane (R-170) and mixtures thereof; and, optionally carbon dioxide (CO, R-744). 1. A heat transfer composition comprising 1 ,1-difluoroethene (R-1132a); ethane (R-170); and , optionally carbon dioxide (R-744).2. A composition according to claim 1 , comprising from 20 to 99% by weight R-1132a claim 1 , a second component which is 1 to 80% by weight R-170 and optionally hexafluoroethane (R-116) claim 1 , and optionally R-744.3. A composition according to claim 1 , wherein the composition is selected from the group consisting of:1 to 50% by weight ethane and from 50 to 99% by weight R-1132a;1 to 25% by weight ethane and from 75 to 99% by weight R-1132a;{'sub': '2', 'R-1132a, ethane and up to 70% by weight CO;'}{'sub': '2', '2 to 98% by weight of R-1132a, from 2 to 98% by weight of ethane, and from 2 to 60% by weight CO;'}{'sub': '2', '4 to 96% by weight of R-1132a, from 4 to 96% by weight of ethane and from 4 to 50% by weight CO; and'}{'sub': '2', 'R-1132a, ethane, and from 6 to 40% by weight CO.'}4. A composition according to claim 1 , further comprising pentafluoroethane (R-125).5. A composition according to claim 1 , further comprising a hydrocarbon claim 1 , wherein the hydrocarbon is in addition to any ethane present in the composition.6. A composition according to claim 1 , wherein the composition is less flammable than R-1132a alone.7. A composition according to claim 6 , wherein the composition has:a. a higher flammable limit;b. a higher ignition energy; and/orc. a lower flame velocitycompared to R-1132a alone.8. A composition according to that is non-flammable.9. A composition according to claim 8 , wherein the composition is non-flammable at ambient temperature claim 8 , said ambient temperature including at least 60° C.10. A composition according to that has a temperature glide in an evaporator or ...

COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM

To provide a composition for a heat cycle system, which comprises a working fluid for heat cycle which has a low global warming potential and high stability, and which can replace R410A, and a heat cycle system employing the composition. A composition for a heat cycle system, which comprises a working fluid for heat cycle containing trifluoroethylene, and a stabilizer for preventing deterioration of the working fluid for heat cycle, such as an oxidation resistance-improving agent, a heat resistance-improving agent or a metal deactivator, and a heat cycle system employing the composition for a heat cycle system. 1. A composition for a heat cycle system , comprising:a working fluid for heat cycle comprising trifluoroethylene and a hydrofluoroolefin other than trifluoroethylene; anda stabilizer for preventing deterioration of the working fluid for heat cycle.2. The composition for a heat cycle system according to claim 1 , wherein the stabilizer is at least one stabilizer selected from an oxidation resistance-improving agent claim 1 , a heat resistance-improving agent and a metal deactivator.3. The composition for a heat cycle system according to claim 2 , wherein the stabilizer is at least one compound selected from the group consisting of a phenol compound claim 2 , an unsaturated hydrocarbon group-containing aromatic compound claim 2 , an aromatic amine compound claim 2 , an aromatic thiazine compound claim 2 , a terpene compound claim 2 , a quinone compound claim 2 , a nitro compound claim 2 , an epoxy compound claim 2 , a lactone compound claim 2 , an orthoester compound claim 2 , a mono- or di-alkali metal salt compound of phthalic acid claim 2 , and a thiodiphenyl ether hydroxide compound.4. The composition for a heat cycle system according to claim 1 , wherein a content of the stabilizer in the composition is at least 1 mass ppm.5. The composition for a heat cycle system according to claim 1 , further comprising a refrigerant oil.6. The composition for a heat ...

Compositions of 2,4,4,4-tetrafluorobut-1-ene and 1-methoxyheptafluoropropane

The invention relates to the use of a composition comprising 2,4,4,4-tetra-fluoro-but-1-ene and 1-methoxyheptafluoropropane as a heat transfer fluid. The invention also relates to associated units, methods and compositions.

COOLANT CONTAINING FLUORINATED HYDROCARBON AND CARBON DIOXIDE, USE OF SAME, REFRIGERATING MACHINE COMPRISING SAME AND METHOD FOR OPERATING SAID REFRIGERATING MACHINE

An object is to provide a mixed refrigerant that has desired properties as an alternative refrigerant for R410A. As a solution to achieve the object, a composition containing a refrigerant that contains difluoromethane (R32), carbon dioxide (CO), pentafluoroethane (R125), 1,1,1,2-tetrafluoroethane (R134a), and 2,3,3,3-tetrafluoropropene (R1234yf) in a specific mixture ratio is provided. 1. A composition comprising a refrigerant ,{'sub': '2', '#text': 'the refrigerant comprising difluoromethane (R32), carbon dioxide (CO), pentafluoroethane (R125), 1,1,1,2-tetrafluoroethane (R134a), and 2,3,3,3-tetrafluoropropene (R1234yf),'}wherein{'sub': ['2', '1', '1', '1', '2', '2'], '#text': 'when the mass % of R32 is a, the mass % of COis b, the mass % of R125 is c, the mass % of R134a is c2, the mass % of the sum of R125 and R134a is c, the mass % of R1234yf is x, and c/(c+c) is r based on the sum of R32, CO, R125, R134a, and R1234yf in the refrigerant,'}{'sub': '2', '#text': 'in a ternary composition diagram having R32 at a point of (100-x) mass %, COat a point of (100-x) mass %, and the sum of R125 and R134a at a point of (100-x) mass % as vertices,'}1-1-1) when 43.8≥x≥41, and 0.5≥r≥0.25, coordinates (a,b,c) fall within a quadrangular region surrounded by line segments that connect the following points:point A (−0.6902x+43.307, 100-a-x, 0.0),{'sub': 'r=0.25 to 0.5', 'sup': ['2', '2'], '#text': 'point O((−2.2857x+87.314)r+(1.7143x−55.886)r+(−0.9643x+55.336), (2.2857x−112.91)r+(−1.7143x+104.69)r+(−0.25x+11.05), 100-a-b-x),'}{'sub': 'r=0.25 to 0.5', 'sup': '2', '#text': 'point D(0.0, −28.8r+54.0r+(−x+49.9), 100-b-x), and'}point Q (0.0, 100-x, 0.0),{'sub': 'r=0.25 to 0.5', '#text': 'or on the line segments, excluding any point on line segment Dto Q, and line segment QA, or 1-1-2) when 43.8≥x≥41, and 1.0≥r≥0.5, coordinates (a,b,c) fall within a quadrangular region surrounded by line segments that connect the following points:'}point A (−0.6902x+43.307, 100-a-x, 0.0),{'sub': 'r=0.5 ...

WORKING FLUID FOR HEAT CYCLE, COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM

A working fluid for heat cycle, a composition for a heat cycle system containing the working fluid, and a heat cycle system employing the composition are provided. The working fluid has a low global warming potential and can replace R410A. The working fluid contains trifluoroethylene and 2,3,3,3-tetrafluoropropene. The total proportion of trifluoroethylene and 2,3,3,3-tetrafluoropropene based on the entire amount of the working fluid is from 70 to 100 mass %. The proportion of trifluoroethylene based on the total amount of trifluoroethylene and 2,3,3,3-tetrafluoropropene is from 35 to 95 mass %. 115-. (canceled)16. A working fluid for heat cycle , comprising:trifluoroethylene and 2,3,3,3-tetrafluoropropene,wherein a total proportion of trifluoroethylene and 2,3,3,3-tetrafluoropropene based on an entire amount of the working fluid is from 70 to 100 mass %.17. The working fluid according to claim 16 , wherein a proportion of trifluoroethylene is more than a proportion of 2 claim 16 ,3 claim 16 ,3 claim 16 ,3-tetrafluoropropene.18. The working fluid according to claim 16 , wherein a proportion of trifluoroethylene is equal to a proportion of 2 claim 16 ,3 claim 16 ,3 claim 16 ,3-tetrafluoropropene.19. The working fluid according to claim 16 , wherein a proportion of trifluoroethylene is less than a proportion of 2 claim 16 ,3 claim 16 ,3 claim 16 ,3-tetrafluoropropene.20. The working fluid according to claim 16 , wherein a proportion of trifluoroethylene based on a total amount of trifluoroethylene and 2 claim 16 ,3 claim 16 ,3 claim 16 ,3-tetrafluoropropene is from 40 to 85 mass %.21. The working fluid according to claim 16 , wherein a proportion of trifluoroethylene based on the entire amount of the working fluid is at most 70 mol %.22. The working fluid according to claim 16 , further comprising:a saturated hydrofluorocarbon.23. The working fluid according to claim 22 , wherein the saturated hydrofluorocarbon is at least one selected from the group consisting of ...

WORKING FLUID FOR HEAT CYCLE, COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM

To provide a working fluid for heat cycle containing 1,2-difluoroethylene, which has high stability, and which has cycle performance sufficient as an alternative to R410A (a pseudoazeotropic mixture refrigerant of difluoromethane and pentafluoroethane in a mass ratio of 1:1) or 1,1,1,2-tetrafluoroethane while the influence over global warming is suppressed, a composition for a heat cycle system comprising it, and a heat cycle system employing the composition. 1. A working fluid for heat cycle , which contains at least two members selected from a saturated hydrofluorocarbon and a hydrofluorocarbon having a carbon-carbon double bond other than 1 ,2-difluoroethylene , and 1 ,2-difluoroethylene.2. The working fluid for heat cycle according to claim 1 , wherein 1 claim 1 ,2-difluoroethylene is trans-1 claim 1 ,2-difluoroethylene claim 1 , cis-1 claim 1 ,2-difluoroethylene or a mixture thereof.3. The working fluid for heat cycle according to claim 1 , wherein the proportion of 1 claim 1 ,2-difluoroethylene is at most 80 mass % based on the entire amount of the working fluid for heat cycle.4. The working fluid for heat cycle according to claim 1 , wherein the proportion of 1 claim 1 ,2-difluoroethylene is from 20 to 80 mass % based on the entire amount of the working fluid for heat cycle.5. The working fluid for heat cycle according to claim 1 , wherein the temperature glide is at most 8° C. claim 1 , which is represented by a difference between the evaporation initiation temperature and the evaporation completion temperature in an evaporator when applied to a standard refrigerating cycle under conditions such that the evaporation temperature is 0° C. (in the case of a non-azeotropic mixture claim 1 , the average temperature of the evaporation initiation temperature and the evaporation completion temperature) claim 1 , the condensing temperature is 40° C. (in the case of a non-azeotropic mixture claim 1 , the average temperature of the condensation initiation temperature ...

Azeotrope-Like Compositions Of Tetrafluoropropene And Hydrofluorocarbons

Provided are azeotrope-like compositions comprising tetrafluoropropene and hydrofluorocarbons and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants. 1. An azeotrope-like composition consisting essentially of (a) trans-1 ,3 ,3 ,3-tetrafluoropropene (transHFO-1234ze) and (b) 1 ,1-difluoroethane (“HFC-152a”) , said HFC-152a being present in the azeotrope-like composition in a range of from about 50 wt % to less than 100 wt % , wherein said composition includes a minimum boiling azeotrope having a liquid composition component concentration equal to the vapor composition component concentration , whereby at a pressure of about 14.4 psia said azeotrope-like composition has a boiling point of −23° C.+/−2° C.2. A heat transfer composition comprising the azeotrope-like composition of .3. The heat transfer composition of wherein said azeotrope-like composition has a boiling point of from about −23° C.+/−1° C. at a pressure of about 14.4 psia.4. A refrigeration system comprising the heat transfer composition of .5. An air conditioning system comprising the heat transfer composition of .6. A refrigeration system originally designed for use with HFC-134a and comprising the heat transfer composition of .7. The heat transfer composition of wherein said heat transfer composition is non-flammable.8. The heat transfer composition of further comprising a lubricant.9. An azeotrope-like composition consisting essentially of (a) trans-1 claim 7 ,3 claim 7 ,3 claim 7 ,3-tetrafluoropropene (transHFO-1234ze) and (b) 1 claim 7 ,1 claim 7 ,1 claim 7 ,2 claim 7 ,2-pentafluoroethane (“HFC-125”) claim 7 , said HFC-125 being present in the azeotrope-like composition in a range of from about 60 wt % to less than about 99 wt % claim 7 , wherein said composition range includes a minimum boiling azeotrope having a liquid composition component concentration equal to the vapor composition component concentration claim 7 , ...

COMPOSITIONS COMPRISING FLUOROOLEFINS AND USES THEREOF

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- ...

WORKING FLUID FOR HEAT CYCLE, COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM

To provide a working fluid for heat cycle having a low global warming potential and having high durability, which can replace R410A, a composition for a heat cycle system comprising it, and a heat cycle system employing the composition. A working fluid for heat cycle, which contains trifluoroethylene, 2,3,3,3-tetrafluoropropene and difluoromethane, wherein the proportion of the total amount of trifluoroethylene, 2,3,3,3-tetrafluoropropene and difluoromethane based on the entire amount of the working fluid is higher than 90 mass % and at most 100 mass %, and based on the total amount of trifluoroethylene, 2,3,3,3-tetrafluoropropene and difluoromethane, the proportion of trifluoroethylene is at least 10 mass % and less than 70 mass %, the proportion of 2,3,3,3-tetrafluoropropene is at most 50 mass %, and the proportion of difluoromethane is higher than 30 mass % and at most 75 mass %. 1. A working fluid for heat cycle , which contains trifluoroethylene , 2 ,3 ,3 ,3-tetrafluoropropene and difluoromethane , wherein the proportion of the total amount of trifluoroethylene , 2 ,3 ,3 ,3-tetrafluoropropene and difluoromethane based on the entire amount of the working fluid is higher than 90 mass % and at most 100 mass % , and based on the total amount of trifluoroethylene , 2 ,3 ,3 ,3-tetrafluoropropene and difluoromethane , the proportion of trifluoroethylene is at least 10 mass % and less than 70 mass % , the proportion of 2 ,3 ,3 ,3-tetrafluoropropene is at most 50 mass % , and the proportion of difluoromethane is higher than 30 mass % and at most 75 mass %.2. The working fluid for heat cycle according to claim 1 , wherein the proportion of difluoromethane based on the total amount of trifluoroethylene claim 1 , 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene and difluoromethane is higher than 30 mass % and at most 44 mass %.3. The working fluid for heat cycle according to claim 1 , wherein based on the total amount of trifluoroethylene claim 1 , 2 claim 1 ,3 claim ...

NON-FLAMMABLE MIXED REFRIGERANT CAPABLE OF REDUCING GREENHOUSE EFFECT AND USE THEREOF

Provided are a mixed refrigerant that is non-flammable and capable of reducing the greenhouse effect, and the use thereof. The mixed refrigerant comprises the following components in mass fractions: 10%-30% of R134a, 5%-70% of R1234ze(E), and 18%-65% of R1234yf. The mixed refrigerant of the present invention, in fitting combination with the amount ranges of all the components, makes the refrigerant non-flammable, and the ODP thereof is 0, and the GWP thereof is no greater than 400. The mixed refrigerant can be used in a refrigeration system, has no ozone destructive power, reduces the greenhouse effect, has a lower temperature glide, and belongs to ternary azeotropic or nearly azeotropic refrigerants, which is beneficial to the stable operation of a refrigeration system. The mixed refrigerant of the present invention can also serve as a foaming agent or aerosol propellant, and has the advantages of being non-flammable, having a low ozone destruction index, and being environmentally friendly and safe and reliable. 1. A mixed refrigerant comprising , by mass fraction , 10-30% of R134a , 5-70% of R1234ze(E) , and 18-65% of R1234yf.2. The mixed refrigerant according to claim 1 , wherein the mixed refrigerant is non-flammable and azeotropic or near-azeotropic.3. The mixed refrigerant according to claim 1 , wherein the mixed refrigerant has an ODP of 0 and a GWP of less than or equal to 400.4. The mixed refrigerant according to claim 3 , wherein the mixed refrigerant has an ODP of 0 and a GWP of less than or equal to 150.5. The mixed refrigerant according to claim 3 , wherein the mixed refrigerant comprises claim 3 , by mass fraction claim 3 , 30% of R134a claim 3 , 49% of R1234ze(E) claim 3 , and 21% of R1234yf; orthe mixed refrigerant comprises, by mass fraction, 22% of R134a, 48% of R1234ze(E), and 30% of R1234yf; orthe mixed refrigerant comprises, by mass fraction, 11.3% of R134a, 69.8% of R1234ze(E), and 18.9% of R1234yf; orthe mixed refrigerant comprises, by mass ...

NON-OZONE DEPLETING AND LOW GLOBAL WARMING REFRIGERANT BLENDS

Non ozone depleting and non flammable refrigerant compositions with GWPs between 1,000 and 1600 ITH which may replace R404A and R507 in refrigeration systems. 15. A refrigerant composition consisting only of the components as claimed in .16. A refrigerant composition as claimed in having a Global Warming Potential greater than 1000. This invention relates to refrigerant compositions.Chlorofluorocarbons (CFCs) such as CFC12 and CFC502 and hydrochlorofluorocarbons (HFCs) such as HCFC22 migrate to the stratosphere where they are broken down by ultra violet light producing chlorine atoms that destroy the ozone layer. These Ozone Depleting Substances (ODS) are in the process of being replaced by non-ozone depleting alternatives such as hydrofluorocarbons (HFCs) which are non-flammable, efficient and of low toxicity. In certain applications, particularly but not specifically related to low temperature refrigeration systems often used in supermarkets, R502 was the main refrigerant of choice due largely to its lower discharge temperature compared to R22. As a consequence of the global environmental agreement embodied in the Montreal Protocol, R502 has been banned. R502 has been largely replaced by the HFCs R404A and R507. However R404A and R507, while being excellent refrigerants in terms of energy efficiency, non-flammability, low toxicity and thermodynamic properties, nevertheless have GWPs which are at the high end of the commonly used HFCs.It is an object of this invention to provide refrigerant compositions which have Global Warming Potentials (GWP) exceeding 1,000 but less than 1600 on an Integrated Time Horizon (ITH) of 100 years. In this specification the numerical value for Global Warming Potential (GWP) refer to an Integrated Time Horizon (ITH) of 100 years as contained in the Inter-Governmental Panel on Climate Change Fourth Assessment Report (AR4) and have no adverse effect on stratospheric ozone. This invention relates to blends which are particularly, but not ...

COOLANT-CONTAINING COMPOSITION, USE FOR SAME, REFRIGERATOR HAVING SAME, AND METHOD FOR OPERATING REFRIGERATOR

An object is to provide a mixed refrigerant having three types of performance, i.e., a refrigerating capacity and a coefficient of performance that are equivalent to those of R410A, and a sufficiently low GWP. Provided as a means for achieving the object is a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and 2,3,3,3-tetrafluoro-1-propene (R1234yf). 1. A composition comprising a refrigerant , the refrigerant comprising trans-1 ,2-difluoroethylene (HFO-1132(E)) , trifluoroethylene (HFO-1123) , and 2 ,3 ,3 ,3-tetrafluoro-1-propene (R1234yf).2. A composition comprising a refrigerant , the refrigerant comprising trans-1 ,2-difluoroethylene (HFO-1132(E)) and 2 ,3 ,3 ,3-tetrafluoro-1-propene (R1234yf) , and optionally further comprising trifluoroethylene (HFO-1123) , 'when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is 100 mass % are within the range of a figure surrounded by line segments OD, DG, GH, and HO that connect the following 4 points:', 'wherein'}point D (87.6, 0.0, 12.4),point G (18.2, 55.1, 26.7),point H (56.7, 43.3, 0.0), andpoint O (100.0, 0.0, 0.0), [{'sup': 2', '2, 'the line segment DG is represented by coordinates (0.0047y−1.5177y+87.598, y, −0.0047y+0.5177y+12.402),'}, {'sup': 2', '2, 'the line segment GH is represented by coordinates (−0.0134z−1.0825z+56.692, 0.0134z+0.0825z+43.308, z), and'}, 'the line segments HO and OD are straight lines., 'or on the line segments OD, DG, and GH (excluding the points O and H);'}3. The composition according to claim 1 , 'when the mass % of HFO-1132(E), HFO-1123, and R1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), ...

REFRIGERANT, HEAT TRANSFER COMPOSITIONS, METHODS, AND SYSTEMS

Disclosed are refrigerants, and heat transfer compositions, heat transfer systems and heat transfer methods containing such refrigerants, wherein the refrigerant comprises at least about 97% by weight of the following three components (a)-(c) and the following fourth component if present: 1. A refrigerant comprising at least about 97% by weight of the following four compounds , with each compound being present in the following relative percentages:from 1% by weight to 2%+/−0.5% by weight trans-1-chloro-3,3,3-trifluoropropene (HFCO-1233zd(E)),from about 73% by weight to about 87% by weight trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)),4.4%+/−0.5% by weight 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea), and{'sub': '3', 'from about 6.6% by weight to about 20.6% by weight trifluoroiodomethane (CFI).'}2. A heat transfer composition comprising a refrigerant of .3. The heat transfer composition of further comprising a lubricant.4. The heat transfer composition of further comprising a stabilizer.5. The heat transfer composition of further comprising a stabilizer.6. A refrigerant comprising at least about 97% by weight of the following three compounds claim 3 , with each compound being present in the following relative percentages of:from 1% by weight to 3% by weight trans-1-chloro-3,3,3-trifluoropropene (HFCO-1233zd(E),from about 77% by weight to about 83% by weight trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E), andfrom about 15% by weight to about 21% by weight trifluoroiodomethane (CF3I).7. A heat transfer composition comprising a refrigerant of .8. The heat transfer composition of further comprising a lubricant.9. The heat transfer composition of further comprising a stabilizer.10. The heat transfer composition of further comprising a stabilizer. The present application is a continuation of U.S. application Ser. No. 15/870,597, filed Jan. 12, 2018, (now U.S. Pat. No. 10,655,040, issued May 19, 2020) which application claims the priority benefit of each of U.S. ...

Heat Transfer Compositions

The invention provides a heat transfer composition comprising (i) from about 45 to about 75% by weight 2,3,3,3-tetrafluoropropene (R-1234yf); and (ii) from about 25 to about 55% by weight 1,1,1,2-tetrafluoroethane (R-134a). A heat transfer composition comprising, optionally consisting essentially of, (i) from about 20 to about 90% by weight R-1234yf; (ii) from about 10 to about 60% by weight R-134a; and (iii) from about 1 to about 20% by weight R-32 is also provided. 4. A composition according to consisting essentially of R-1234yf and R-134a.5. A composition according to consisting essentially of about 56% by weight R-1234yf and about 44% by weight R-134a.6. A composition according to consisting of R-1234yf and R-134a.7. A composition according to wherein the composition has a temperature glide is less than about 5 K.8. A composition according to wherein the existing refrigerant that it is intended to replace is R-134a and the composition has a volumetric refrigeration capacity within about 5% of the R-134a.9. A composition according to which is non-flammable according to ASHRAE Standard 34.10. A composition according to which is non-flammable at 60° C. according to ASHRAE Standard 34.11. A composition according to wherein the existing refrigerant that it is intended to replace is R-134a and the composition has a cycle efficiency within about 5% of the R-134a.12. A composition according to wherein the composition has a compressor discharge temperature within about 10 K of the existing refrigerant that it is intended to replace.13. A composition according to wherein the existing refrigerant that it is intended to replace is R-134a and the composition has a compressor discharge temperature within about 5% of the R-134a.14. A composition comprising a lubricant and a composition according to wherein the lubricant is selected from mineral oil claim 1 , silicone oil claim 1 , polyalkyl benzenes (PABs) claim 1 , polyol esters (POEs) claim 1 , polyalkylene glycols (PAGs) ...

TETRAFLUOROPROPENE COMPOSITIONS AND USES THEREOF

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. 114-. (canceled)15. A composition comprising HFO-1234yf , HFC-32 , HFC-125 , and HFC-134a.16. The composition of wherein the composition comprises from about 20 weight percent to about 98 weight percent HFO-1234yf.17. The composition of further comprising at least one lubricant selected from the group consisting of mineral oils claim 15 , alkylbenzenes claim 15 , synthetic paraffins claim 15 , synthetic naphthenes claim 15 , poly alpha olefins claim 15 , polyalkylene glycols claim 15 , dibasic acid esters claim 15 , polyesters claim 15 , neopentyl esters claim 15 , polyvinyl ethers claim 15 , silicones claim 15 , silicate esters claim 15 , fluorinated compounds claim 15 , phosphate esters and mixtures thereof.181. A process to produce cooling comprising condensing a composition of claim and thereafter evaporating said composition in the vicinity of a body to be cooled.191. A process to produce heat comprising condensing the composition of claim in the vicinity of a body to be heated and thereafter evaporating said composition.20. A method for replacing R12 claim 15 , R134a claim 15 , R22 claim 15 , R404A claim 15 , R407A claim 15 , R407C claim 15 , R410A claim 15 , R422A claim 15 , R422B claim 15 , R422C claim 15 , R422D claim 15 , R438A claim 15 , R502 claim 15 , R507A claim 15 , R507B claim 15 , or R508 claim 15 , in a system that uses claim 15 , used or was designed to use R12 claim 15 , R134a claim 15 , R22 claim 15 , R404A claim 15 , R407A claim 15 , R407C claim 15 , R410A claim 15 , R422A claim 15 , R422B claim 15 , R422C claim 15 , R422D claim 15 , ...

Composition containing compound useful as refrigerant, detergent, propellant, or the like, and refrigerating machine, large-sized air conditioner, or industrial process cooler each including said composition

This invention provides a composition comprising a compound that has low GWP in spite of having low flammability, and that is less likely to lead to a negative-pressure state during operation even when applied to a large air conditioner; and to a refrigerating machine, large air conditioner, or industrial process cooler, each comprising the composition. Specifically, the present invention provides a composition comprising a refrigerant, the refrigerant comprising a compound represented by the following general formula (1): CmHnFxCly (1), wherein m is 4≤m≤10, n+x+y is equal to 2m−2, and the compound has a triple bond in its molecule.

REFRIGERANT-CONTAINING COMPOSITION, USE THEREOF, REFRIGERATING MACHINE HAVING SAME, AND METHOD FOR OPERATING SAID REFRIGERATING MACHINE

An object is to provide a mixed refrigerant having four types of performance, i.e., a coefficient of performance and a refrigerating capacity that are equivalent to those of R410A, a sufficiently low GWP, and a lower flammability (Class 2L) according to the ASHRAE standard. Provided as a means for a solution is a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)) and trifluoroethylene (HFO-1123) in a total amount of 99.5 mass % or more based on the entire refrigerant, and the refrigerant comprising 62.0 mass % to 72.0 mass % of HFO-1132(E) based on the entire refrigerant. 1. A composition comprising a refrigerant ,the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)) and trifluoroethylene (HFO-1123) in a total amount of 99.5 mass % or more based on the entire refrigerant, andthe refrigerant comprising 62.0 mass % to 72.0 mass % of HFO-1132(E) based on the entire refrigerant.2. A composition comprising a refrigerant ,the refrigerant comprising HFO-1132(E) and HFO-1123 in a total amount of 99.5 mass % or more based on the entire refrigerant, andthe refrigerant comprising 45.1 mass % to 47.1 mass % of HFO-1132(E) based on the entire refrigerant.3. The composition according to claim 1 , for use as a working fluid for a refrigerating machine claim 1 , wherein the composition further comprises a refrigeration oil.4. The composition according to claim 1 , for use as an alternative refrigerant for R410A.5. Use of the composition according to as an alternative refrigerant for R410A.6. A refrigerating machine comprising the composition according to as a working fluid.7. A method for operating a refrigerating machine claim 1 , comprising the step of circulating the composition according to as a working fluid in a refrigerating machine.8. The composition according to claim 2 , for use as a working fluid for a refrigerating machine claim 2 , wherein the composition further comprises a refrigeration oil.9. The ...

COMPOSITION CONTAINING COOLANT, HEAT TRANSFER MEDIUM AND HEAT CYCLE SYSTEM

The present disclosure provides a composition comprising a refrigerant characterized by having a GWP lower than that of R410A and a COP equivalent to that of R410A. Specifically, the present disclosure provides a composition comprising a refrigerant, the refrigerant comprising CO(R744) and at least one compound A selected from the group consisting of trans-1,2-difluoroethylene [(E)-HFO-1132], cis-1,2-difluoroethylene [(Z)-HFO-1132], fluoroethylene (HFO-1141), and 3,3,3-trifluoropropyne (TFP). 1. A composition comprising a refrigerant , the refrigerant comprising CO(R744) and at least one compound A selected from the group consisting of trans-1 ,2-difluoroethylene [(E)-HFO-1132] , cis-1 ,2-difluoroethylene [(Z)-HFO-1132] , fluoroethylene (HFO-1141) , and 3 ,3 ,3-trifluoropropyne (TFP).2. The composition according to claim 1 , wherein R744 is present in an amount of 0.1 to 50 mass % claim 1 , and the compound A is present in an amount of 50 to 99.9 mass % claim 1 , based on the total amount of R744 and the compound A taken as 100 mass %.3. The composition according to claim 1 , wherein the refrigerant further comprises at least one compound B selected from the group consisting of tetrafluoromethane (FC-14) claim 1 , trifluoromethane (HFC-23) claim 1 , difluoromethane (HFC-32) claim 1 , pentafluoroethane (HFC-125) claim 1 , 1 claim 1 ,1 claim 1 ,1 claim 1 ,2-tetrafluoroethane (HFC-134a) claim 1 , 1 claim 1 ,1 claim 1 ,2 claim 1 ,2-tetrafluoroethane (HFC-134) claim 1 , 1 claim 1 ,1-difluoroethane (HFC-152a) claim 1 , 1 claim 1 ,2-difluoroethane (HFC-152) claim 1 , 1 claim 1 ,1 claim 1 ,1-trifluoroethane (HFC-143a) claim 1 , 1 claim 1 ,1 claim 1 ,2-trifluoroethane (HFC-143) claim 1 , 1 claim 1 ,1 claim 1 ,1 claim 1 ,2 claim 1 ,3 claim 1 ,3 claim 1 ,3-heptafluoropropane (HFC-227ea) claim 1 , 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene (HFO-1234yf) claim 1 , trans-1 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene [(E)-HFO-1234ze] claim 1 , 1 claim 1 ,2 claim ...

Composition containing coolant, heat transfer medium and heat cycle system

The present disclosure provides a composition comprising a refrigerant characterized by having a low GWP, low flammability, a COP equivalent to that of R410A, and a refrigerating capacity almost equivalent to that of R410A. Specifically, the present disclosure provides a composition comprising a refrigerant, the refrigerant comprising CO2 (R744), hexafluoropropene (FO-1216), and at least one compound A selected from the group consisting of trifluoroethylene (HFO-1123), trans-1,2-difluoroethylene [(E)-HFO-1132], cis-1,2-difluoroethylene [(Z)-HFO-1132], fluoroethylene (HFO-1141), and 3,3,3-trifluoropropyne (TFP).

COMPOSITION INCLUDING REFRIGERANT, USE THEREOF, REFRIGERATOR HAVING SAME, AND METHOD FOR OPERATING SAID REFRIGERATOR

Provided is a mixed refrigerant having three types of performance; i.e., a refrigerating capacity equivalent to that of R410A, a sufficiently low GWP, and a lower flammability (Class 2L) according to the ASHRAE standard. Provided as a means for a solution is a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), difluoromethane (R32), and 2,3,3,3-tetrafluoro-1-propene (R1234yf), each in a specific concentration. 5. The composition according to claim 1 , for use as a working fluid for a refrigerating machine claim 1 , wherein the composition further comprises a refrigeration oil.6. The composition according to claim 1 , for use as an alternative refrigerant for R410A.7. Use of the composition according to as an alternative refrigerant for R410A.8. A refrigerating machine comprising the composition according to as a working fluid.9. A method for operating a refrigerating machine claim 1 , comprising the step of circulating the composition according to as a working fluid in a refrigerating machine. The present disclosure relates to a composition comprising a refrigerant, use of the composition, a refrigerating machine having the composition, and a method for operating the refrigerating machine.R410A is currently used as an air conditioning refrigerant for home air conditioners etc. R410A is a two-component mixed refrigerant of difluoromethane (CHF: HFC-32 or R32) and pentafluoroethane (CHF: HFC-125 or R125), and is a pseudo-azeotropic composition.However, the global warming potential (GWP) of R410A is 2088. Due to growing concerns about global warming, R32, which has a GWP of 675, has been increasingly used.For this reason, various low-GWP mixed refrigerants that can replace R410A have been proposed (PTL 1).The present inventors performed independent examination, and conceived of the idea that no prior art had developed refrigerant compositions having three types of performance; i.e., a refrigerating capacity (also ...

Heat-transfer fluid for a centrifugal compressor

A process for cooling or heating a fluid or a body by means of a vapour compression circuit including a centrifugal compressor and containing a heat-transfer fluid, the heat-transfer fluid including at least two compounds selected from 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoropropene, 1,1,1,2-tetrafluoropropene, 1,1-difluoroethane and 3,3,3-trifluoropropene, in which: the ratio of the Mach number of the centrifugal compressor to the Mach number which the centrifugal compressor has under the same operating conditions if the heat-transfer fluid is replaced with 1,1,1,2-tetrafluoroethane in the vapour compression circuit is greater than or equal to 0.97 and less than or equal to 1.03; the compression ratio of the centrifugal compressor is less than or equal to the compression ratio which the centrifugal compressor has under the same operating conditions if the heat-transfer fluid is replaced with 1,1,12-tetrafluorethane in the vapour compression circuit.

Azeotrope-Like Compositions of Tetrafluoropropene And Hydrofluorocarbons

Provided are azeotrope-like compositions comprising tetrafluoropropene and hydrofluorocarbons and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants. 1. An azeotrope-like composition consisting essentially of (a) trans-1 ,3 ,3 ,3-tetrafluoropropene (transHFO-1234ze) and (b) 1 ,1-difluoroethane (“HFC-152a”) , said HFC-152a being present in the azeotrope-like composition in a range of from about 50 wt % to less than 100 wt % , wherein said composition includes a minimum boiling azeotrope having a liquid composition component concentration equal to the vapor composition component concentration , whereby at a pressure of about 14.4 psia said azeotrope-like composition has a boiling point of −23° C.+1-2° C.2. A heat transfer composition comprising the azeotrope-like composition of .3. The heat transfer composition of wherein said azeotrope-like composition has a boiling point of from about −23° C.+1-1° C. at a pressure of about 14.4 psia.4. A refrigeration system comprising the heat transfer composition of .5. An air conditioning system comprising the heat transfer composition of .6. A refrigeration system originally designed for use with HFC-134a and comprising the heat transfer composition of .7. The heat transfer composition of wherein said heat transfer composition is non-flammable.8. The heat transfer composition of further comprising a lubricant.9. An azeotrope-like composition consisting essentially of (a) trans-1 claim 7 ,3 claim 7 ,3 claim 7 ,3-tetrafluoropropene (transHFO-1234ze) and (b) 1 claim 7 ,1 claim 7 ,1 claim 7 ,2 claim 7 ,2-pentafluoroethane (“HFC-125”) claim 7 , said HFC-125 being present in the azeotrope-like composition in a range of from about 60 wt % to less than about 99 wt % claim 7 , wherein said composition range includes a minimum boiling azeotrope having a liquid composition component concentration equal to the vapor composition component concentration claim 7 , ...

Working fluid for heat cycle, composition for heat cycle system, and heat cycle system

A working fluid for heat cycle, a composition for a heat cycle system containing the working fluid, and a heat cycle system employing the composition are provided. The working fluid contains trifluoroethylene, 2,3,3,3-tetrafluoropropene, and difluoromethane. A proportion of the total amount of trifluoroethylene, 2,3,3,3-tetrafluoropropene, and difluoromethane based on the entire amount of the working fluid is higher than 90 mass % and at most 100 mass %. Based on the total amount of trifluoroethylene, 2,3,3,3-tetrafluoropropene, and difluoromethane, the proportion of trifluoroethylene is at least 10 mass % and less than 70 mass %, the proportion of 2,3,3,3-tetrafluoropropene is at most 50 mass %, and the proportion of difluoromethane is higher than 30 mass % and at most 75 mass %. The working fluid can replace R410A and has a low global warming potential and high durability.

HEAT TRANSFER COMPOSITIONS AND METHODS

Compositions, methods and systems which comprise or utilize a multi-component mixture comprising: (a) from about 10% to about 35% by weight of HFC-32; (b) from about 10% to about 35% by weight of HFC-125; (c) from about 20% to about 50% by weight of HFO-1234ze, HFO-1234yf and combinations of these; (d) from about 15% to about 35% by weight of HFC-134a; and optionally (e) up to about 10% by weight of CF3I and up to about 5% by weight of HFCO-1233ze, with the weight percent being based on the total of the components (a)-(e) in the composition 111.-. (canceled)12. A heat transfer composition comprising: (a) from about 12.5% to about 13.0% by weight of HFC-32; (b) from about 12.5% to about 13.0% by weight of HFC-125; (c) from about 30% to about 31.5% by weight of HFC-134a; (d) from about 16% to about 44% by weight HFO-1234ze; and (e) from about 0% to about 30% by weight HFO-1234yf with the weight percent being based on the total of the components (a)-(e) in the composition.131. The heat transfer composition of claim wherein said HFO-1234ze comprises trans-HFO-1234ze.141. The heat transfer composition of claim wherein said HFO-1234ze consists essentially of trans-HFO-1234ze.151. The heat transfer composition of claim wherein the weight ratio of HFO-1234ze:HFO-1234yf is from about 5:1 to about 3:1.161. The heat transfer composition of claim further comprising at least one polyol ester lubricant.171. The heat transfer composition of claim having a coefficient of performance , based upon HFC-404A , of about 100% or greater.18. A method of replacing an existing heat transfer fluid contained in heat transfer system comprising removing at least a portion of said existing heat transfer fluid from said system , said existing heat transfer fluid being HFC-404A and replacing at least a portion of said existing heat transfer fluid by introducing into said system a heat transfer composition comprising: (a) from about 12.5% to about 13.0.% by weight of HFC-32; (b) from about 12.5% to ...

COOLANT-CONTAINING COMPOSITION, USE FOR SAME, REFRIGERATOR HAVING SAME, AND METHOD FOR OPERATING REFRIGERATOR

An object is to provide a mixed refrigerant having four types of performance, i.e., a coefficient of performance and a refrigerating capacity that are equivalent to those of R410A, a sufficiently low GWP, and a lower flammability (Class 2L) according to the ASHRAE standard. Provided as a means for a solution is a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)) and trifluoroethylene (HFO-1123) in a total amount of 99.5 mass % or more based on the entire refrigerant, and the refrigerant comprising 62.5 mass % to 72.5 mass % of HFO-1132(E) based on the entire refrigerant. 1. A composition comprising a refrigerant ,the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)) and trifluoroethylene (HFO-1123) in a total amount of 99.5 mass % or more based on the entire refrigerant, andthe refrigerant comprising 62.5 mass % to 72.5 mass % of HFO-1132(E) based on the entire refrigerant.2. The composition according to claim 1 , for use as a working fluid for a refrigerating machine claim 1 , wherein the composition further comprises a refrigeration oil.3. The composition according to claim 1 , for use as an alternative refrigerant for R410A.4. Use of the composition according to as an alternative refrigerant for R410A.5. A refrigerating machine comprising the composition according to as a working fluid.6. A method for operating a refrigerating machine claim 1 , comprising the step of circulating the composition according to as a working fluid in a refrigerating machine.7. The composition according to claim 2 , for use as an alternative refrigerant for R410A.8. Use of the composition according to as an alternative refrigerant for R410A.9. A refrigerating machine comprising the composition according to as a working fluid.10. A method for operating a refrigerating machine claim 2 , comprising the step of circulating the composition according to as a working fluid in a refrigerating machine. The present disclosure ...

WORKING FLUID FOR HEAT CYCLE, COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM

A working fluid for heat cycle, a composition for a heat cycle system containing the working fluid, and a heat cycle system employing the composition are provided. The working fluid contains trifluoroethylene, 2,3,3,3-tetrafluoropropene, and difluoromethane. A proportion of the total amount of trifluoroethylene, 2,3,3,3-tetrafluoropropene, and difluoromethane based on the entire amount of the working fluid is higher than 90 mass % and at most 100 mass %. Based on the total amount of trifluoroethylene, 2,3,3,3-tetrafluoropropene, and difluoromethane, the proportion of trifluoroethylene is at least 10 mass % and less than 70 mass %, the proportion of 2,3,3,3-tetrafluoropropene is at most 50 mass %, and the proportion of difluoromethane is higher than 30 mass % and at most 75 mass %. The working fluid can replace RA and has a low global warming potential and high durability. 18-. (canceled)9. A working fluid for heat cycle , comprising:trifluoroethylene, 2,3,3,3-tetrafluoropropene, and difluoromethane.10. The working fluid of claim 9 , wherein claim 9 , based on a total amount of trifluoroethylene claim 9 , 2 claim 9 ,3 claim 9 ,3 claim 9 ,3-tetrafluoropropene claim 9 , and difluoromethane claim 9 , a proportion of trifluoroethylene is at least 10 mass % and less than 70 mass % claim 9 , a proportion of 2 claim 9 ,3 claim 9 ,3 claim 9 ,3-tetrafluoropropene is at most 50 mass % claim 9 , and a proportion of difluoromethane is higher than 30 mass % and at most 44 mass %.11. The working fluid of claim 10 , wherein claim 10 , based on the total amount of trifluoroethylene claim 10 , 2 claim 10 ,3 claim 10 ,3 claim 10 ,3-tetrafluoropropene claim 10 , and difluoromethane claim 10 , the proportion of trifluoroethylene is at least 20 mass % and less than 70 mass % claim 10 , and the proportion of 2 claim 10 ,3 claim 10 ,3 claim 10 ,3 tetrafluoropropene is at most 40 mass %.12. The working fluid of claim 10 , wherein claim 10 , based on the total amount of trifluoroethylene ...

Trifluoroethylene-based compositions and uses thereof

The present invention also relates to the uses thereof in refrigeration, air conditioning and heat pumps.

Use of r-1233 in liquid chillers

This invention relates to the use of chloro-trifluoropropenes as refrigerants in negative-pressure liquid chillers and methods of replacing an existing refrigerant in a chiller with chloro-trifluoropropenes. The chloro-trifluoropropenes, particularly 1-chloro-3,3,3-trifluoropropene, have high efficiency and unexpectedly high capacity in liquid chiller applications and are useful as more environmentally sustainable refrigerants for such applications, including the replacement of R-123 and R-11.

Heat source unit and refrigeration cycle apparatus

A heat source unit and a refrigeration cycle apparatus that are able to reduce damage to a connection pipe when a refrigerant containing at least 1,2-difluoroethylene is used are provided. An outdoor unit ( 20 ) that is connected via a liquid-side connection pipe ( 6 ) and a gas-side connection pipe ( 5 ) to an indoor unit ( 30 ) including an indoor heat exchanger ( 31 ) and that is a component of an air conditioner ( 1 ) includes a compressor ( 21 ) and an outdoor heat exchanger ( 23 ). A refrigerant containing at least 1,2-difluoroethylene is used as a refrigerant. A design pressure of the outdoor unit ( 20 ) is lower than 1.5 times a design pressure of each of the liquid-side connection pipe ( 6 ) and the gas-side connection pipe ( 5 ).

REFRIGERANT-CONTAINING COMPOSITION, USE THEREOF, REFRIGERATOR USING SAME, AND OPERATION METHOD FOR SAID REFRIGERATOR

An object is to provide a novel low-GWP mixed refrigerant. A solution to the problem is to provide a composition containing a refrigerant that contains trans-1,2-difluoroethylene (HFO-1132(E)), difluoromethane (R32), and 1,3,3,3-tetrafluoropropene (R1234ze). 1. A composition comprising a refrigerant , the refrigerant comprising trans-1 ,2-difluoroethylene (HFO-1132(E)) , difluoromethane (R32) , and 1 ,3 ,3 ,3-tetrafluoropropene (R1234ze).6. The composition according to claim 1 , wherein the refrigerant further comprises 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene (R1234yf).9. The composition according to claim 1 , which is for use as a working fluid for a refrigerating machine claim 1 , the composition further comprising a refrigeration oil.10. The composition according to claim 1 , which is for use as an alternative refrigerant for R404A.11. Use of the composition of as an alternative refrigerant for R404A.12. A refrigerating machine comprising the composition of as a working fluid.13. A method for operating a refrigerating machine claim 1 , comprising circulating the composition of as a working fluid in a refrigerating machine. The present disclosure relates to a composition containing a refrigerant, use of the composition, a refrigerating machine containing the composition, and a method for operating the refrigerating machine.R404A is currently used as a refrigerant for refrigeration apparatuses such as freezing and refrigerating equipment for commercial use. R404A is a three-component mixture refrigerant composed of pentafluoroethane (R125) (44%), 1,1,1-trifluoroethane (R143a) (52%), and 1,1,1,2-tetrafluoroethane (R134a) (4%). However, the global warming potential (GWP) of R404A is 3920. Due to growing concerns over global warming, there is demand for refrigerants with a lower GWP. For this reason, various low-GWP mixed refrigerants that can replace R404A have been proposed (PTL 1 to 5).A composition comprising a refrigerant, the refrigerant comprising ...

METHODS AND COMPOSITIONS FOR RECHARGING SYSTEMS AND RECHARGED SYSTEMS

Disclosed are methods and compositions comprising HFC-32, HFC-125, transHFO-1234ze, HFC-134a and HFO-1234yf that may be used as a replacement refrigerant in existing systems, and particularly used to partially replace R-404A in existing systems. Also disclosed are refrigeration systems, methods and compositions comprising HFO-1234yf, transHFO-1234ze, HFC-134a, HFC-143a, HFC-125, and HFC-32. 1. A refrigeration system comprising:a. at least one compressor, condenser and evaporator in fluid communication; i. from about 2.5% to about 15% of HFO-1234yf;', 'ii. from about 0.5% to about 6% of HFO-1234ze;', 'iii. from about 5% to about 15% of HFC-134a;', 'iv. from about 20% to about 45% of HFC-143a;', 'v. from about 30% to about 40% of HFC-125; and', 'vi. from about 5% to about 20% of HFC-32, with said percentages being based on weight of the refrigerant., 'b. a refrigerant contained in said system, said refrigerant comprising2. The refrigeration system according to claim 1 , wherein the refrigerant comprises:i. from about 3% to about 15% of HFO-1234yf;ii. from about 1% to about 5% of HFO-1234ze;iii. from about 7% to about 15% of HFC-134a;iv. from about 20% to about 45% of HFC-143a;v. from about 30% to about 40% of HFC-125; andvi. from about 5% to about 20% of HFC-32.3. The refrigeration system according to claim 1 , wherein the refrigerant comprises:i. from about 5% to about 15% of HFO-1234yf;ii. from about 2% to about 5% of HFO-1234ze;iii. from about 7% to about 15% of HFC-134a;iv. from about 20% to about 45% of HFC-143a;v. from about 30% to about 40% of HFC-125; andvi. from about 5% to about 20% of HFC-32.4. The refrigeration system according to claim 1 , wherein the refrigerant comprises:i. from about 8% to about 12% of HFO-1234yf;ii. from about 2.5% to about 5% of HFO-1234ze;iii. from about 10% to about 15% of HFC-134a;iv. from about 20% to about 32% of HFC-143a;v. from about 33% to about 37% of HFC-125; andvi. from about 10% to about 16% of HFC-32.5. The refrigeration ...

COMPOSITION CONTAINING REFRIGERANT, USE THEREOF, REFRIGERATOR HAVING SAME, AND OPERATION METHOD FOR SAID REFRIGERATOR

The present disclosure provides a mixed refrigerant having four types of performance, i.e., an excellent coefficient of performance and refrigerating capacity that allow it to serve as an alternative refrigerant for R410A, a sufficiently low GWP, and non-flammability. Specifically, the present disclosure provides a composition comprising a refrigerant, the refrigerant comprising trifluoroiodomethane (CFI) and difluoromethane (R32), wherein the contents of CFI and R32 in the refrigerant are respectively 48 mass %≥CF≥46 mass % and 54 mass %≥R32≥52 mass %, based on the total amount of CFI and R32 taken as 100 mass %. 1. A composition comprising a refrigerant , the refrigerant comprising trifluoroiodomethane (CFI) and difluoromethane (R32) , wherein the contents of CFI and R32 in the refrigerant are respectively 48 mass %≥CFI≥46 mass % and 54 mass %≥R32≥52 mass % , based on the total amount of CFI and R32 taken as 100 mass %.2. A composition comprising a refrigerant , the refrigerant comprising trifluoroiodomethane (CFI) , difluoromethane (R32) , and pentafluoroethane (R125) , {'sub': 3', '3, 'when the mass % of R32, R125, and CFI based on their sum is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of R32, R125, and CFI is 100 mass % are within the range of a figure surrounded by line segments EF, FD, DX, and XE that connect the following 4 points, 'wherein'}point E (53.7, 11.0, 35.3),point F (51.6, 0.0, 48.4)point D (65.0. 0.0, 35.0), andpoint X (64.6. 8.9, 26.5), [{'sup': 2', '2, 'the line segment EF is represented by coordinates (x, −1.1255x+123.76x−3389.3, 1.1255x−124.76x+3489.3), and'}, 'the line segments FD, DX, and XE are straight lines., 'excluding the line segment FD,'}3. A composition comprising a refrigerant , the refrigerant comprising trifluoroiodomethane (CFI) and trans-1 ,2-difluoroethylene (HFO-1132(E)) , wherein the contents of CFI and HFO-1132(E) in the refrigerant are respectively 68 mass ...

COMPOSITION CONTAINING REFRIGERANT AND APPLICATION THEREOF

The present invention provides a composition containing a refrigerant having characteristics equal to or higher than those of R23. Specifically, the present invention provides a composition containing a refrigerant, wherein the refrigerant contains (a) at least one perfluorocarbon (PFC) selected from the group consisting of PFC-14, PFC-116, PFC-c216, FFC-218, PFC-c318, and PFC-31-10, and (b) an unsaturated compound. 117-. (canceled)18. A composition comprising a refrigerant , wherein the refrigerant comprises(a) PFC-14 as perfluorocarbon (PFC),(b) an unsaturated compound, and(c) HFC.19. The composition according to claim 18 , wherein the (b) unsaturated compound is at least one compound selected from the group consisting of HFO-1234yf claim 18 , HFO-1234ze(E) claim 18 , HFO-1234ze(Z) claim 18 , HFO-1225ye claim 18 , FO-1114 claim 18 , HFO-1123 claim 18 , HFO-1132a claim 18 , HFO-1132(E) claim 18 , HFO-1132(Z) claim 18 , HCFO-1233zd claim 18 , HCFO-1224yd claim 18 , and HCFO-1122a.20. The composition according to claim 18 , wherein the (c) HFC is at least one compound selected from the group consisting of HFC-23 claim 18 , HFC-32 claim 18 , HFC-125 claim 18 , HFC-143a claim 18 , HFC-134a claim 18 , and HFC-134.21. The composition according to claim 18 , wherein the (b) unsaturated compound is at least one compound selected from the group consisting of HFO-1123 claim 18 , HFO-1132a claim 18 , and HFO-1132(E).22. The composition according to claim 21 , wherein the (c) HFC is at least one compound selected from the group consisting of HFC-23 claim 21 , HFC-32 claim 21 , and HFC-125.23. The composition according to claim 21 , wherein the (b) unsaturated compound is HFO-1132a.24. The composition according to claim 18 , wherein the (b) unsaturated compound is at least one compound selected from the group consisting of HFO-1234yf claim 18 , HFO-1234ze(E) claim 18 , HFO-1123 claim 18 , and HFO-1132(E) claim 18 , and the (c) HFC is at least one compound selected from the ...

Improving glide in refrigerant blends and/or azeotopic blends, alternatives to r123 refrigerant, and refrigerant compositions, methods, and systems thereof

Methods of using refrigerant compositions and systems thereof are described. In particular, methods of using refrigerant compositions and systems thereof, include refrigerant compositions including a two component blend. One of the components is a refrigerant blend that, when first combined, is considered an azeotropic blend, azeotrope, near azeotropic, or the like. This component is one component of the two components of the resulting refrigerant composition, which is combined with a second component being another refrigerant.

WORKING FLUID FOR HEAT CYCLE, COMPOSITION FOR HEAT CYCLE SYSTEM AND HEAT CYCLE SYSTEM

A working fluid for a heat cycle, contains: trifluoroethylene; and a first component consisting of at least one of substance selected from carbon dioxide, fluoromethane, trifluoroiodomethane, methane, ethane, propane, helium, neon, argon, krypton, xenon, nitrogen and ammonia. 1. A working fluid for a heat cycle , comprising:trifluoroethylene; anda first component comprising propane.2. The working fluid for the heat cycle according to claim 1 ,wherein a ratio of a total amount of the trifluoroethylene and the first component with respect to an entire amount of the working fluid for the heat cycle is over 90 mass % and 100 mass % or less, andwherein a ratio of an amount of the trifluoroethylene with respect to the total amount of the trifluoroethylene and the first component is 20 mass % or more and 95 mass % or less.3. The working fluid for the heat cycle according to claim 1 ,wherein a ratio of a total amount of the trifluoroethylene and the propane with respect to an entire amount of the working fluid for the heat cycle is over 90 mass % and 100 mass % or less, andwherein a ratio of an amount of the trifluoroethylene with respect to the total amount of the trifluoroethylene and the propane is 20 mass % or more and 95 mass % or less.4. The working fluid for the heat cycle according to claim 1 , further comprising:a second component selected from the group consisting of hydrofluorocarbon where fluoromethane is excluded and hydrofluoroolefin where trifluoroethylene is excluded,wherein the hydrofluorocarbon and the hydrofluoroolefin have a global warming potential (100 years) in the Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment Report of 2000 or less.5. The working fluid for the heat cycle according to claim 4 ,wherein the second component is at least one of 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoropropene or difluoromethane.6. The working fluid for the heat cycle according to claim 4 ,wherein difluoromethane is the second component.7. The ...

COMPOSITION CONTAINING REFRIGERANT, USE OF SAME, FREEZER HAVING SAME, AND METHOD FOR OPERATING SAID FREEZER

An object of the present disclosure is to provide a novel low-GWP mixed refrigerant. To solve this problem, the present disclosure provides a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), 1,3,3,3-tetrafluoropropene (R1234ze), and difluoromethane (R32). 1. A composition comprising a refrigerant , the refrigerant comprising trans-1 ,2-difluoroethylene (HFO-1132(E)) , trifluoroethylene (HFO-1123) , 1 ,3 ,3 ,3-tetrafluoropropene (R1234ze) , and difluoromethane (R32).2. The composition according to claim 1 , when the mass % of HFO-1132(E), HFO-1123, R1234ze, and R32 based on their sum in the refrigerant is respectively represented by x, y, z, and a,', 'if 0 Подробнее

COMPOSITION CONTAINING REFRIGERANT, USE OF SAME, REFRIGERATOR HAVING SAME, AND METHOD FOR OPERATING SAID REFRIGERATOR

An object is to provide a novel low-GWP mixed refrigerant. 1. A composition comprising a refrigerant , the refrigerant comprising trans-1 ,2-difluoroethylene (HFO-1132(E)) , difluoromethane (R32) , 1 ,3 ,3 ,3-tetrafluoropropene (R1234ze) , and carbon dioxide (CO).2. The composition according to claim 1 , [{'sub': '2', 'in the refrigerant, when the mass % of HFO-1132(E), R32, R1234ze, and CObased on their sum is respectively represented by x, y, z, and a,'}, '(1) if 0 Подробнее

COMPOSITIONS COMPRISING E-1,2-DIFLUOROETHYLENE AND USES THEREOF

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises E-1,2-difluoroethylene. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and power cycle working fluids. 1. A composition comprising E-1 ,2-difluoroethylene and at least one compound selected from the group consisting of Z-1 ,2-difluoroethylene , Z-1 ,2 ,3 ,3 ,3-pentafluoropropene , E-1 ,2 ,3 ,3 ,3-pentafluoropropene , E-1 ,3 ,3 ,3-tetrafluoropropene , 3 ,3 ,3-trifluoropropene , difluoromethane , pentafluoroethane , 1 ,1 ,2 ,2-tetrafluoroethane , 1 ,1 ,1 ,2-tetrafluoroethane , 1 ,1 ,1-trifluoroethane , 1 ,1-difluoroethane , fluoroethane , 1 ,1 ,1 ,2 ,3 ,3 ,3-heptafluoropropane , 1 ,1 ,1 ,3 ,3 ,3-hexafluoropropane , 1 ,1 ,1 ,2 ,3 ,3-hexafluoropropane , 1 ,1 ,1 ,3 ,3-pentafluoropropane , propane , cyclopropane , propylene , n-butane , isobutane , n-pentane , isopentane , dimethylether , trifluoroiodomethane , CFSCFand mixtures thereof.2. The composition of comprising an azeotropic or azeotrope-like combination of:E-1,2-difluoroethylene and Z-1,2-difluoroethylene;E-1,2-difluoroethylene and Z-1,2,3,3,3-pentafluoropropene;E-1,2-difluoroethylene and E-1,2,3,3,3-pentafluoropropene;E-1,2-difluoroethylene and E-1,3,3,3-tetrafluoropropene;E-1,2-difluoroethylene and 3,3,3-trifluoropropene;E-1,2-difluoroethylene and difluoromethane;E-1,2-difluoroethylene and pentafluoroethane;E-1,2-difluoroethylene and 1,1,2,2-tetrafluoroethane;E-1,2-difluoroethylene and 1,1,1,2-tetrafluoroethane;E-1,2-difluoroethylene and 1,1,1-trifluoroethane;E-1,2-difluoroethylene and 1,1-difluoroethane;E-1,2-difluoroethylene and 1,1,1,2,3,3,3-heptafluoropropane;E-1,2-difluoroethylene and propane;E-1,2-difluoroethylene and dimethyl ether;{'sub': '3', 'E-1,2-difluoroethylene and CFI;'}E-1,2-difluoroethylene and fluoroethane;{'sub': 3', '3, 'E-1,2- ...

LOW GWP HEAT TRANSFER COMPOSITIONS

The present invention relates, in part, to heat transfer and refrigerant compositions and methods that include HFC-32; HFO-1234ze and HFC-125. 2. The heat transfer composition of claim 1 , wherein said component (b) further comprises a compound claim 1 , other than HFO-1234ze claim 1 , selected from unsaturated —CF3 terminated propenes claim 1 , unsaturated —CF3 terminated butenes claim 1 , and combinations of these.3. The heat transfer composition of claim 1 , comprising from about 63% to about 69% by weight of HFC-32; from about 25% to about 37% by weight of HFO-1234ze; and from greater than about 0% to about 6% by weight of HFC-125.4. The heat transfer composition of claim 1 , comprising from about 1% to about 8% by weight of HFC-125.5. The heat transfer composition of claim 1 , comprising from about 1% to about 6% by weight of HFC-125.6. The heat transfer composition of claim 1 , comprising from about 3% to about 8% by weight of HFC-125.7. The heat transfer composition of claim 1 , comprising from about 3% to about 6% by weight of HFC-125.9. The refrigerant composition of claim 8 , comprising from about 63% to about 69% by weight of HFC-32; from about 25% to about 37% by weight of HFO-1234ze; and from greater than about 0% to about 6% by weight of HFC-125.10. The refrigerant composition of claim 8 , comprising from about 1% to about 8% by weight of HFC-125.11. The refrigerant composition of claim 8 , comprising from about 1% to about 6% by weight of HFC-125.12. The refrigerant composition of claim 8 , comprising from about 3% to about 8% by weight of HFC-125.13. The refrigerant composition of claim 8 , comprising from about 3% to about 6% by weight of HFC-125.14. A method of replacing an existing heat transfer fluid contained in heat transfer system comprising removing at least a portion of said existing heat transfer fluid from said system claim 1 , said existing heat transfer fluid being HFC-410A and replacing at least a portion of said existing heat transfer ...

Compositions comprising z-1,2-difluoroethylene and uses thereof

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises Z-1,2-difluoroethylene (Z-HFO-1132a). The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and power cycle working fluids.

USES OF FLUORINATED EPOXIDES AND NOVEL MIXTURES THEREOF

This application relates to compositions comprising one or more partially fluorinated epoxides and/or one or more perfluorinated epoxides which may be useful in applications including refrigerants, air conditioning, heat transfer media, high-temperature heat pumps, organic Rankine cycles, fire extinguishing/fire suppression, propellants, foam blowing, solvents, dielectrics, and/or cleaning fluids. 2. The composition of claim 1 , wherein:{'sup': 1', '4, 'sub': 1-4', '1-4, 'Rand Rare each independently H, Cl, F, a partially fluorinated Calkoxy, or a perfluorinated Calkoxy;'}{'sup': '2', 'sub': 1-10', '1-10, 'Ris H, F, partially fluorinated Calkyl, or perfluorinated Calkyl;'}{'sup': 1', '2', '4, 'wherein at least one of R, R, and Ris not H; and'}{'sup': '3', 'sub': 1-10', '1-10, 'Ris selected from partially fluorinated Calkyl and perfluorinated Calkyl.'}3. The composition of claim 1 , wherein Rand Rare each independently H claim 1 , Cl claim 1 , or F; Ris F claim 1 , CF claim 1 , CFCF claim 1 , CF(CF) claim 1 , CFCFCF claim 1 , CFCFCFCF claim 1 , or CFCFCFCFCF; and Ris CF claim 1 , CFCF claim 1 , CF(CF) claim 1 , CFCFCF claim 1 , CFCFCFCF claim 1 , or CFCFCFCFCF.4. The composition of claim 1 , wherein Rand Rare each independently H claim 1 , Cl claim 1 , F claim 1 , a partially fluorinated Calkoxy claim 1 , or a perfluorinated Calkoxy; and Rand Rare each independently selected from partially fluorinated or perfluorinated Calkylene claim 1 , which together form a monocyclic ring.5. The composition of claim 1 , wherein Rand Rare H; Ris partially fluorinated or perfluorinated Calkylene; and Ris partially fluorinated or perfluorinated Calkylene; wherein said Rand Rare taken together form a 4-6 membered monocyclic ring.6. (canceled)7. The composition of claim 1 , wherein the compound of Formula (I) is selected from:2,3-difluoro-2-(trifluoromethyl)oxirane;2-fluoro-3-(trifluoromethyl)oxirane;2,3-bis(trifluoromethyl)oxirane;2-(trifluoromethyl)-3-(perfluoroethyl)oxirane;2-( ...

COMPOSITION CONTAINING REFRIGERANT, AND REFRIGERATION METHOD USING SAID COMPOSITION, OPERATING METHOD FOR REFRIGERATION DEVICE, AND REFRIGERATION DEVICE

The present disclosure provides a composition comprising a refrigerant characterized by having a coefficient of performance (COP) and a refrigerating capacity equivalent to or higher than those of R404A, and having a sufficiently low GWP. Specifically, the present disclosure provides a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132 (E)) and 2,3,3,3-tetrafluoropropene (HFO-1234yf), wherein HFO-1132 (E) is present in an amount of 35.0 to 65.0 mass %, and HFO-1234yf is present in an amount of 65.0 to 35.0 mass %, based on the total mass of HFO-1132 (E) and HFO-1234yf, and wherein the refrigerant is for use in operating a refrigeration cycle in which the evaporation temperature is −75 to −5° C. 126-. (canceled)27. A refrigeration method comprising operating a refrigeration cycle , in which the evaporation temperature is −75 to −5° C. , using a composition comprising a refrigerant ,the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132 (E)) and 2,3,3,3-tetrafluoropropene (HFO-1234yf),wherein HFO-1132 (E) is present in an amount of 35.0 to 65.0 mass %, and HFO-1234yf is present in an amount of 65.0 to 35.0 mass %, based on the total mass of HFO-1132 (E) and HFO-1234yf.28. The refrigeration method according to claim 27 , wherein the refrigerant is an alternative refrigerant for R407C claim 27 , R452B claim 27 , R454B claim 27 , or R454C.29. The refrigeration method according to claim 27 , wherein the method comprises operating equipment designed for R407C claim 27 , R452B claim 27 , R454B claim 27 , or R454C with the refrigerant comprising HFO-1132 (E) and HFO-1234yf.30. The refrigeration method according to claim 27 , wherein the refrigerant further comprises an additional refrigerant claim 27 ,wherein the additional refrigerant is present in an amount of 0.5 mass % or less, based on the total amount of HFO-1132 (E), HFO-1234yf, and the additional refrigerant taken as 100 mass %.31. A composition comprising a ...

TERNARY COMPOSITIONS FOR HIGH-CAPACITY REFRIGERATION

Compositions containing 2,3,3,3-tetrafluoropropene and to the uses thereof as heat transfer fluid, expansion agents, solvents and aerosol. Compositions of between 15 and 50 wt. % of 2,3,3,3-tetrafluoropropene, between 5 and 40 wt. % of HFC-134a and between 45 and 60 wt. %, preferably between 45 and 50 wt. %, of HFC-32. 1. A composition essentially containing from 15 to 50% by weight of 2 ,3 ,3 ,3-tetrafluoropropene , from 5 to 40% by weight of HFC-134a and from 45 to 60% by weight of HFC-32 , preferably from 45 to 50% by weight of HFC-32.2. The composition as claimed in claim 1 , characterized in that it is stabilized.3. A heat-transfer fluid comprising the composition as claimed in .4. The heat-transfer fluid as claimed in claim 3 , characterized in that it is used in compression refrigeration systems claim 3 , preferably with exchangers operating in counterflow mode.5. The heat-transfer fluid as claimed in claim 3 , characterized in that it is used as a replacement for R-410A.6. The heat-transfer fluid as claimed in claim 3 , characterized in that it is employed in the presence of a lubricant.7. Blowing agents comprising the compositions as claimed in .8. Solvents comprising the compositions as claimed in .9. Aerosols comprising the compositions as claimed in . The present application is a continuation of U.S. application Ser. No. 13/390,379, filed on Feb. 14, 2012, which is a U.S. national stage application of International Application No. PCT/FR2010/051745, filed on Aug. 20, 2010, which claims the benefit of French Application No. 0956248, filed on Sep. 11, 2009. The entire contents of each of U.S. application Ser. No. 13/390,379, International Application No. PCT/FR2010/051745, and French Application No. 0956248 are hereby incorporated herein by reference in their entirety.The present invention relates to compositions containing 2,3,3,3-tetrafluoropropene and uses thereof as heat-transfer fluids, blowing agents, solvents and aerosols.The problems posed by ...

Compositions containing fluorine substituted olefins and methods and systems using same

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.

REFRIGERANT COMPOSITIONS COMPRISING HFC-32, CF3I, AND CO2

The present application relates to compositions comprising difluoromethane (R-32), trifluoroiodomethane (CFI), and carbon dioxide (CO), that are useful in refrigeration, air conditioning, or heat pump systems. Methods of replacing a refrigerant selected from R-410A and R-32 in refrigeration, air conditioning, or heat pump systems are also provided. 1. A composition consisting of difluoromethane (R-32) , trifluoroiodomethane (CFI) , and carbon dioxide (CO) , the wherein the composition contains 44 to 54 weight percet difluoromethane (R-32);{'sub': '3', '42 to 53 weight percet trifluoroiodomethane (CFI); and'}{'sub': '2', '2 to 6 weight percet carbon dioxide (CO).'}2. (canceled)3. The composition of claim 2 , wherein the composition is non-flammable.415-. (canceled)16. A process for producing cooling claim 1 , comprising condensing the composition of and thereafter evaporating said composition in the vicinity of a body to be cooled.17. A process for producing heating claim 1 , comprising evaporating the composition of and thereafter condensing said composition in the vicinity of a body to be heated.18. A method of replacing R-410A in a refrigeration claim 1 , air conditioning claim 1 , or heat pump system claim 1 , comprising providing the composition of as replacement for said R-410A.19. The method of claim 18 , wherein the composition exhibits a GWP of from about 300 to about 375.20. The method of claim 19 , wherein the composition is non-flammable.21. (canceled)22. The method of claim 19 , wherein the composition exhibits a cooling capacity of within about ±10% to about ±20% of the cooling capacity of R-410A.23. The method of claim 19 , wherein the composition exhibits a cooling capacity of within about ±15% of the cooling capacity of R-410A.24. The method of claim 19 , wherein the composition exhibits a temperature glide of about 7° C. or less.25. (canceled)26. The method of claim 19 , wherein the composition is non-flammable.27. (canceled)28. The method of claim ...

COMPOSITIONS COMPRISING TETRAFLUOROPROPENE AND METHODS OF USE THEREOF

The present invention relates to a composition comprising HFO-1234yf, or trans-HFO-1234ze, or a mixture thereof; HFC-32; and HFC-152a, HFO-1243zf, or a mixture thereof, wherein said composition is selected from the group consisting of: 1. A composition comprising HFO-1234yf or trans-HFO-1234ze or a mixture thereof; HFC-32; and HFC-152a , HFO-1243zf , or a mixture thereof; wherein said composition is selected from the group consisting of:(I) a first composition, wherein said HFO-1234yf or trans-HFO-1234ze or a mixture thereof is at least 56 weight percent of the total weight of said first composition;(II) a second composition, wherein said HFC-32 is at most 29 weight percent of the total weight of said second composition;(III) a third composition, wherein said HFC-152a is at least 56 weight percent of the total weight of said third composition;(IV) a fourth composition, wherein said HFC-32 is at least 56 weight percent of the total weight of said fourth composition;(V) a fifth composition comprising trans-HFO-1234ze; HFC-32; and HFC-152a, HFO-1243zf or mixture thereof; and(VI) a sixth composition, wherein said HFO-1243zf or mixture thereof with HFC-152a is at most 20 weight percent of the total weight of said sixth composition.2. The composition as recited in claim 1 , wherein said composition has a cooling capacity in the range of from about 75% to about 130% of at least one existing refrigerant.3. The composition as recited in claim 2 , wherein said existing refrigerant is selected from the group consisting of R-22 claim 2 , HFC-134a claim 2 , R-404A claim 2 , and R-407C.4. The composition as recited in claim 3 , wherein the flammability of said composition is classified at most as 2L.5. The composition as recited in claim 1 , comprising from about 56 to about 98 weight percent HFO-1234yf or trans-HFO-1234ze or a mixture thereof claim 1 , from about 1 to about 29 weight percent HFC-32 claim 1 , and from about 1 to about 18 weight percent HFC-152a claim 1 , HFO- ...

COMPOSITIONS BASED ON 1,1,2-TRIFLUOROETHYLENE AND CARBON DIOXIDE

The invention relates to a composition containing 1,1,2-trifluoroethylene and carbon dioxide, and possibly additional compounds, as well as to the use thereof, particularly as a refrigerant for replacing the conventional fluid R-410A. 1. A composition comprising 1 ,1 ,2-trifluoroethylene , carbon dioxide , 2 ,3 ,3 ,3-tetrafluoropropene , and difluoromethane.2. The composition as claimed in claim 1 , comprising one or more additional compounds chosen from ammonia and optionally halogenated alkanes and alkenes.3. The composition as claimed in claim 1 , comprising one or more additional compounds chosen from 1 claim 1 ,1 claim 1 ,1 claim 1 ,2-tetrafluoroethane claim 1 , pentafluoroethane claim 1 , 1 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene claim 1 , ammonia claim 1 , 1 claim 1 ,1 claim 1 ,1 claim 1 ,2 claim 1 ,3 claim 1 ,3 claim 1 ,3-heptafluoropropane claim 1 , propane claim 1 , propylene claim 1 , 1 claim 1 ,1 claim 1 ,1-trifluoroethane claim 1 , 1-chloro-3 claim 1 ,3 claim 1 ,3-trifluoropropene claim 1 , 1 claim 1 ,1 claim 1 ,1 claim 1 ,4 claim 1 ,4 claim 1 ,4-hexafluorobut-2-ene claim 1 , 1 claim 1 ,1 claim 1 ,1 claim 1 ,3 claim 1 ,3-pentafluoropropane claim 1 , 1 claim 1 ,1 claim 1 ,2 claim 1 ,2-tetrafluoroethane claim 1 , 1 claim 1 ,1-difluoroethane and combinations thereof.4. The composition as claimed in claim 1 , consisting essentially of:1,1,2-trifluoroethylene, carbon dioxide, difluoromethane and 2,3,3,3-tetrafluoropropene; or1,1,2-trifluoroethylene, carbon dioxide, 1,1,1,2-tetrafluoroethane, difluoromethane and 2,3,3,3-tetrafluoropropene; or1,1,2-trifluoroethylene, carbon dioxide, 1,1,1,2-tetrafluoroethane, difluoromethane, pentafluoroethane and 2,3,3,3-tetrafluoropropene; or1,1,2-trifluoroethylene, carbon dioxide, 1,1,1,2-tetrafluoroethane, difluoromethane, pentafluoroethane, 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene.5. The composition as claimed in claim 1 , wherein the proportion of 1 claim 1 ,1 claim 1 ,2-trifluoroethylene is ...

COMPOSITIONS COMPRISING FLUOROOLEFINS AND USES THEREOF

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. 163-. (canceled)64. A fluoroolefin composition comprising 1 ,3 ,3 ,3-tetrafluoro-1-propene and a non-flammable refrigerant wherein the composition is non-flammable.65. The composition of wherein said non-flammable refrigerant is chosen from:R-134a, R-134, R-23, R125, R-236fa, R-245fa, and mixtures of HCFC-22/HFC-152a/HCFC-124 (known by the ASHRAE designations, R401 or R-401A, R-401B, and R-401C), HFC-125/HFC-143a/HFC-134a (known by the ASHRAE designation, R-404 or R-404A), HFC-32/HFC-125/HFC-134a (known by ASHRAE designations, R407 or R-407A, R-407B, and R-407C), HCFC-22/HFC-143a/HFC-125 (known by the ASHRAE designation, R408 or R-408A), HCFC-22/HCFC-124/HCFC-142b (known by the ASHRAE designation: R-409 or R-409A), HFC-32/HFC-125 (known by the ASHRAE designation R-410A), and HFC-125/HFC-143a (known by the ASHRAE designation: R-507 or R507A) and carbon dioxide.66. The composition of wherein the non-flammable refrigerant is chosen from R-134a claim 64 , R-134 claim 64 , R-23 claim 64 , R125 claim 64 , R-236fa claim 64 , and R-245fa.67. The composition of wherein the non-flammable refrigerant is R-134a.68. The composition of wherein the non-flammable refrigerant is R-134.69. The composition of wherein the non-flammable refrigerant is R-23.70. The composition of wherein the non-flammable refrigerant is R125.71. The composition of wherein the non-flammable refrigerant is R-236fa.72. The composition of wherein the non-flammable refrigerant is R-245fa.73. The composition of wherein the composition has a global warming potential of less than 150.74. The composition of ...

RECHARGING SYSTEMS AND METHODS

Disclosed are methods of recharging an operating system of the type containing a less than full charge of existing working fluid with a recharging fluid that is different than said existing fluid, the method comprising: (a) identifying at least one readily measured physical property of fluids comprising combinations of the existing working fluid and the recharging working fluid wherein said physical property reliably correlates to target component concentrations of the working fluid after recharge; (b) providing a system which contains less than a full charge of the existing working fluid; (c) adding to the existing working fluid a recharging fluid having at least one property superior to that property of the existing working fluid; (d) at least after said adding step (c), measuring said readily measured physical property of the operating fluid in the system; and (e) based on said measuring step, repeating or not said steps (c) and (d) and/or adjusting at least one system operating parameter. 1. A method of recharging an operating system comprising:(a) providing a system which contains an existing working fluid but less than a full charge of the existing working fluid;(b) adding to the existing working fluid contained in the system a recharging working fluid having at least one property superior to that property of the existing working fluid contained in the system;(c) at least after said adding step (b), measuring a readily measured physical property of the fluid in the system that is reliably correlated to one or more component concentration(s) of the working fluid in the system after said adding step (b);(d) estimating one or more component concentration(s) of the working fluid after said adding step (b) based on said measuring step (c); and(f) repeating or not said steps (b)-(e) and/or adjusting at least one system operating parameter.2. The method of claim 1 , wherein the operating system is a refrigeration system.3. The method of claim 2 , wherein the ...

Air-conditioning unit

An air-conditioning unit that is able to suppress ignition at an electric heater even when leakage of refrigerant occurs while a low-GWP refrigerant is used is provided. In an outdoor unit (20) including a casing (60), a compressor (21) provided inside the casing (60) and configured to compress refrigerant containing 1,2-difluoroethylene, and a drain pan heater (54) provided inside the casing (60), an electric power consumption of the drain pan heater (54) is lower than or equal to 300 W.

COMPOSITIONS AND METHODS FOR REFRIGERATION

Heat transfer systems, methods and compositions which utilize a heat transfer fluid comprising: (a) from about 30% to about 65% by weight of HFC-134a; (b) from about 0% to about 70% by weight of HFO1234ze; and (c) from about 0% to about 70% by weight of HFO-1234yf, provided that the amount of HFO-1234ze and HFO-1234yf in the composition together is at least about 35% by weight, with the weight percent being based on the total of the components (a)-(c) in the composition. 1. A heat transfer composition comprising: (a) from about 30% to about 65% by weight of HFC-134a; (b) from about 0% to about 70% by weight of HFO1234ze; and (c) from about 0% to about 70% by weight of HFO-1234yf , provided that the amount of HFO-1234ze and HFO-1234yf in the composition together is at least about 35% by weight , with the weight percent being based on the total of the components (a)-(c) in the composition.2. The heat transfer composition of comprising (a) from about 35% to about 55% by weight of HFC-134a; (b) from about 30% to about 60% by weight of HFO1234ze; and (c) from about 5% to about 30% by weight of HFO-1234yf claim 1 , with the weight percent being based on the total of the components (a)-(c) in the composition.3. The heat transfer composition of comprising (a) from about 35% to about 50% by weight of HFC-134a; (b) from about 30% to about 55% by weight of HFO1234ze; and (c) from about 5% to about 25% by weight of HFO-1234yf claim 1 , with the weight percent being based on the total of the components (a)-(c) in the composition.4. The heat transfer composition of comprising (a) from about 40% to about 45% by weight of HFC-134a; (b) from about 35% to about 50% by weight of HFO1234ze; and (c) from about 10% to about 20% by weight of HFO-1234yf claim 1 , with the weight percent being based on the total of the components (a)-(c) in the composition.5. The heat transfer composition of comprising (a) about 42% by weight of HFC-134a; (b) 40% by weight of HFO1234ze; and (c) about 18% by ...

REFRIGERANT GAS COMPOSITION

Present invention relates to a refrigerant composition comprising tetrafluorethane, difluoromethane and pentafluoroethane for use in heating and cooling applications, especially for inverter air-conditioners/heat pumps. 1. A refrigerant composition comprising a mixture offrom 90 to 97.5 wt % of tetrafluorethane andfrom 2.5 to 10 wt % of a mixture of difluoromethane and pentafluoroethane.2. The refrigerant composition of claim 1 , wherein the mixture of difluoromethane and pentafluoroethane comprises from 40 to 60 wt % difluoromethane and from 60 to 40 wt % pentafluoroethane.3. The refrigerant composition of claim 1 , wherein the composition comprises94-96 wt % tetrafluorethane;2-3 wt % difluoromethane and2-3 wt % pentafluoroethane.4. Use of the refrigerant composition of in air conditioners and heat pumps.5. Use of the refrigerant composition of in air conditioners and heat pumps.6. Use of the refrigerant composition of in air conditioners and heat pumps. Present invention relates to a refrigerant composition for use in heating and cooling applications, especially for inverter air-conditioners/heat pumps.An air conditioner (often referred to as air con, AC or A/C), is an apparatus designed to change the air temperature and humidity within an area used for cooling and sometimes heating depending on the air properties at a given time. The cooling is typically done using a simple refrigeration cycle. Previously, air conditioning units generally used R22 refrigerant. R22 is a single hydro-chlorofluorocarbon (HCFC) compound. R22 has been phased out in developed countries due to the compound's ozone depletion potential (ODP) and high global warming potential (GWP). The refrigerant mixture R410A was developed as a replacement to R22. R410A is a mixture of difluoromethane (CHF, called R32) and pentafluoroethane CHFCF, called R-125).R410A was developed as an environmentally friendly gas due to pressure outside the industry to reduce global warming (GWP). One of its ...

REFRIGERANT COMPOSITIONS

Refrigerant compositions are described, which can be used for example, in refrigeration, air conditioning, and/or heat pump systems which for example, can be incorporated into a heating, ventilation and air conditioning (HVAC) system or unit. The refrigerant composition includes an amount of a R125 refrigerant, an amount of a R32 refrigerant, and an amount of a R1234yf refrigerant, where the R32 refrigerant has higher flammability than the R125 refrigerant, and the R1234yf refrigerant has higher flammability than the R125 refrigerant. 1. A refrigerant composition comprising:an amount of a R125 refrigerant;an amount of a R32 refrigerant; andan amount of a R1234yf refrigerant,the R32 refrigerant has higher flammability than the R125 refrigerant, and the R1234yf refrigerant has higher flammability than the R125 refrigerant,wherein the amount of R125 refrigerant is 5.5% wt, 6.5% wt, 7.0% wt, 7.5% wt, 10.5% wt, 17.5% wt, or 20% wt.2. The refrigerant composition of claim 1 , wherein claim 1 , when the amount of R125 refrigerant is 5.5% wt claim 1 , the amount of R32 refrigerant is 74.0% wt and the amount of R1234yf refrigerant is 20.5% wt.3. The refrigerant composition of claim 1 , wherein claim 1 , when the amount of R125 refrigerant is 6.5% wt claim 1 , the amount of R32 refrigerant is 68.0% wt and the amount of R1234yf refrigerant is 25.5% wt.4. The refrigerant composition of claim 1 , wherein claim 1 , when the amount of R125 refrigerant is 7.5% wt claim 1 , the amount of R32 refrigerant is 64.0% wt and the amount of R1234yf refrigerant is 28.5% wt.5. The refrigerant composition of claim 1 , wherein claim 1 , when the amount of R125 refrigerant is 17.5% wt claim 1 , the amount of R32 refrigerant is 20.0% wt and the amount of R1234yf refrigerant is 62.5% wt.6. The refrigerant composition of claim 1 , wherein claim 1 , when the amount of R125 refrigerant is 10.5% wt claim 1 , the amount of R32 refrigerant is 62.0% wt and the amount of R1234yf refrigerant is 27.5% wt.7. ...

Compositions containing difluoromethane and fluorine substituted olefins

Compositions comprising multi-fluorinated olefins and HFC-32 are disclosed. Such compositions are useful particularly for in stationary refrigeration and air conditioning equipment.

HEAT TRANSFER COMPOSITIONS

The invention provides a heat transfer composition comprising up to about 30% by weight carbon dioxide (R-744), from about 30% to about 80% by weight difluoromethane (R-32), and 1,3,3,3-tetrafluoropropene (R-1234ze). 1. A heat transfer composition comprising up to about 30% by weight carbon dioxide (R-744) , from about 30% to about 80% by weight difluoromethane (R-132) , and trans-1 ,3 ,3 ,3-tetrafluoropropene (R-1234ze(E)).2. A composition according to comprising from about 4% to about 30% by weight R-744.3. A composition according to comprising from about 45% to about 80% by weight R-32.4. A composition according to wherein the amount of R-32 is such that the mean condensing pressure is maintained within 0.5 bar of the equivalent condensing pressure obtained using R-410A claim 1 , and/or such that the compressor discharge temperature is lower than that obtained using R-410A5. A composition according to comprising from about 4 to about 12% by weight R-744 claim 1 , from about 45 to about 80% by weight R-32 and from about 8% to about 51% by weight R-1234ze(E).6. A composition according to comprising from about 6 to about 10% by weight R-744 claim 5 , from about 55 to about 75% by weight R-32 and from about 15% to about 39% by weight R-1234ze(E).7. A composition according to comprising from about 4 to about 8% by weight R-744 claim 5 , from about 65 to about 70% R-32 and from about 22% to about 31% by weight R-1234ze(E).8. A composition according to wherein the condenser temperature glide is less than about 15 K.9. A composition according to wherein the evaporator temperature glide is less than about 10 K.10. A composition according to which has a critical temperature of greater than about 70° C.11. A composition according to claim 1 , wherein the composition has a GWP of less than 1000.12. A composition according to wherein the composition has a volumetric refrigeration capacity at least about 90% of an existing refrigerant that it is intended to replace.13. A ...

Azeotrope-Like Compositions of Tetrafluoropropene And Hydrofluorocarbons

Provided are azeotrope-like compositions comprising tetrafluoropropene and hydrofluorocarbons and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants. 1. An azeotrope-like composition consisting essentially of (a) trans-1 ,3 ,3 ,3-tetrafluoropropene (transHFO-1234ze) and (b) 1 ,1-difluoroethane (“HFC-152a”) , said HFC-152a being present in the azeotrope-like composition in a range of from about 50 wt % to less than 100 wt %.2. A heat transfer composition comprising the azeotrope-like composition of .3. The heat transfer composition of wherein said azeotrope-like composition has a boiling point of from about −23° C.+/−1° C. at a pressure of about 14.4 psia.4. A refrigeration system comprising the heat transfer composition of .5. An air conditioning system comprising the heat transfer composition of .6. A refrigeration system originally designed for use with HFC-134a and comprising the heat transfer composition of .7. The heat transfer composition of wherein said heat transfer composition is non-flammable.8. The heat transfer composition of further comprising a lubricant.9. An azeotrope-like composition consisting of (a) trans-1 claim 7 ,3 claim 7 ,3 claim 7 ,3-tetrafluoropropene (transHFO-1234ze) and (b) 1 claim 7 ,1 claim 7 ,1 claim 7 ,2 claim 7 ,2-pentafluoroethane (“HFC-125”) claim 7 , said HFC-125 being present in the azeotrope-like composition in a range of from about 60 wt % to less than about 99 wt % claim 7 , wherein said composition range includes a minimum boiling azeotrope having a liquid composition component concentration equal to the vapor composition component concentration claim 7 , whereby at a pressure of about 14.4 psia said azeotrope-like composition has a boiling point of −47° C.+/−2° C.10. A heat transfer composition comprising the azeotrope-like composition of .11. A refrigeration system comprising the heat transfer composition of .12. The heat transfer composition ...

COOLANT-CONTAINING COMPOSITION, USE FOR SAME, REFRIGERATOR HAVING SAME, AND METHOD FOR OPERATING REFRIGERATOR

Provided is a mixed refrigerant having two types of performance, i.e., a coefficient of performance that is equivalent to that of R410A and a sufficiently low GWP. Provided as a means for a solution is a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and difluoromethane (R32) at specific concentrations. 5. The composition according to claim 1 , for use as a working fluid for a refrigerating machine claim 1 , wherein the composition further comprises a refrigeration oil.6. The composition according to claim 1 , for use as an alternative refrigerant for R410A.7. Use of the composition according to as an alternative refrigerant for R410A.8. A refrigerating machine comprising the composition according to as a working fluid.9. A method for operating a refrigerating machine claim 1 , comprising the step of circulating the composition according to as a working fluid in a refrigerating machine. The present disclosure relates to a composition comprising a refrigerant, use of the composition, a refrigerating machine having the composition, and a method for operating the refrigerating machine.R410A is currently used as an air conditioning refrigerant for home air conditioners etc. R410A is a two-component mixed refrigerant of difluoromethane (CHF: HFC-32 or R32) and pentafluoroethane (CHF: HFC-125 or R125), and is a pseudo-azeotropic composition.However, the global warming potential (GWP) of R410A is 2088. Due to growing concerns about global warming, R32, which has a GWP of 675, has been increasingly used.For this reason, various low-GWP mixed refrigerants that can replace R410A have been proposed (PTL 1).PTL 1: WO2015/141678The present inventors performed independent examination, and conceived of the idea that no prior art had developed refrigerant compositions having two types of performance, i.e., a coefficient of performance (COP) that is equivalent to that of R410A and a ...

REFRIGERANT MIXTURES COMPRISING TETRAFLUOROPROPENES, DIFLUOROMETHANE, PENTAFLOUROETHANE, AND TETRAFLUOROETHANE AND USES THEREOF

Compositions are disclosed which contain a refrigerant component consisting essentially of at least one refrigerant having an OEL less than 400; and a combination of refrigerants, each having an OEL greater than 400, consisting essentially of HFC-134a; HFC-32; trans-HFO-1234ze; and optionally at least one refrigerant selected from the group consisting of HFC-134 and HFC-125; provided that HFC-134a is not greater than 26 weight percent of the refrigerant component and the total of HFC-134a and HFC-134 is not less than 20 weight percent of the refrigerant component; and optionally a non-refrigerant component; wherein the refrigerant component has an overall OEL of at least 400 and wherein components the refrigerant component is non-flammable. These compositions are useful in processes to produce refrigeration, in methods for replacing refrigerant R-404A or R-507A, and in refrigeration apparatus. 1. A composition consisting of: (1) at least one refrigerant having an OEL less than 400; and', (i) HFC-134a;', '(ii) HFC-32;', '(iii) trans-HFO-1234ze; and optionally', '(iv) at least one refrigerant selected from the group consisting of HFC-134 and HFC-125;', 'provided that HFC-134a is not greater than about 26 weight percent of the refrigerant component and the total of HFC-134a and HFC-134 is not less than about 20 weight percent of the refrigerant component; and, '(2) a combination of refrigerants, each having an OEL greater than 400, consisting essentially of'}], '(A) a refrigerant component consisting essentially of'}optionally 'wherein component (A)(2) of the refrigerant component is present in an amount sufficient to provide an overall OEL for the refrigerant component of at least 400 and wherein components (A)(2)(i) and (A)(2)(iv) are present in a total amount sufficient to provide a non-flammable refrigerant component.', '(B) a non-refrigerant component2. The composition of wherein the refrigerant component has a GWP of less than 1600.3. The composition of wherein ...

Heat transfer fluid replacing r-410a

A heat transfer method using ternary composition containing 2,3,3,3-tetrafluoropropene, 1,1-difluoroethane and difluoromethane, as a heat transfer fluid in refrigeration systems, to replace the R-410A mixture.

Low-temperature and average-temperature refrigeration

Binary compositions of 2,3,3,3-tetrafluoropropene and difluoromethane, as a heat transfer fluid in compression, low-temperature and average temperature refrigeration systems, with exchangers operating in counterflow mode or in split flow mode with counterflow tendency. Also, to a heat transfer method. The binary compositions can replace R-404A and R-407C (ternary mixture containing 52 wt. % of HFC-134a, 25 wt. % of pentafluoroethane and 23 wt. % of difluoromethane) in compression-type heat-transfer systems with exchangers operating in countercurrent mode or in crossed-current mode with countercurrent tendency.

HEAT TRANSFER FLUID

Compositions which are based on tetrafluoropropene and more particularly relates to compositions inclduing 60% to 90% by weight of 2,3,3,3-tetrafluoropropene and 10% to 40% by weight of at least one compound selected from difluoroethane and difluoromethane, which can be used as a heat transfer fluid. The compositions may include 60% to 79% by weight of 2,3,3,3-tetrafluoropropene and 21% to 40% by weight of a compound selected from difluoroethane and difluoromethane. 112-. (canceled)13. A heat transfer fluid comprising:60% to 90% by weight of 2,3,3,3-tetrafluoropropene; and10% to 40% by weight of a mixture of difluoromethane and 1,1-difluoroethane.14. The heat transfer fluid of comprising:60% to 79% by weight of 2,3,3,3-tetrafluoropropene; and21% to 40% by weight of a mixture of difluoromethane and 1,1-difluoroethane.15. The heat transfer fluid of comprising:60% to 70% by weight of 2,3,3,3-tetrafluoropropene; and30% to 40% by weight of a mixture of difluoromethane and 1,1-difluoroethane.16. The heat transfer fluid of comprising:60% to 65% by weight of 2,3,3,3-tetrafluoropropene; and35% to 40% by weight of a mixture of difluoromethane and 1,1-difluoroethane.17. A composition comprising the heat transfer fluid of and a stabilizer selected from the group consisting of nitromethane claim 13 , ascorbic acid claim 13 , terephthalic acid claim 13 , azoles claim 13 , phenolic compounds claim 13 , epoxides claim 13 , phosphites claim 13 , phosphates claim 13 , phosphonates claim 13 , thiols and lactones.18. The composition of claim 17 , wherein the stabilizer represents at most 5% by weight relative to the heat transfer fluid.19. A composition comprising the heat transfer fluid of and a lubricant selected from the group consisting of mineral oil claim 13 , alkylbenzene claim 13 , polyalkylene glycol and polyvinyl ether.20. A composition comprising the heat transfer fluid of and a stabilizer selected from the group consisting of nitromethane claim 16 , ascorbic acid claim 16 , ...

REFRIGERANT COMPOSITIONS COMPRISING HFC-32, HFC-125, AND CF3I

The present application relates to compositions comprising difluoromethane (R-32), pentafluoroethane (R-125), and trifluoroiodomethane (CFI), that are useful in refrigeration, air conditioning, or heat pump systems. Methods of replacing a refrigerant selected from R-410A and R-32 in refrigeration, air conditioning, or heat pump systems are also provided. 1. A composition , comprising difluoromethane (R-32) , pentafluoroethane (R-125) , and trifluoroiodomethane (CFI) , wherein the composition comprises from about 38-43 weight percent R-32 , from about 1 to 4 weight percent R-125 , and from about 54 to 60 weight percent CFI , exhibits a GWP of less than about 400 , and provides cooling capacity within 10% of that for R-410A.2. (canceled)3. The composition of claim 1 , wherein the composition is non-flammable.47.-. (canceled)8. The composition of claim 3 , wherein the composition consists essentially of the difluoromethane (R-32) claim 3 , pentafluoroethane (R-125) claim 3 , and trifluoroiodomethane (CFI).926.-. (canceled)27. A process for producing cooling claim 1 , comprising condensing the composition of and thereafter evaporating said composition in the vicinity of a body to be cooled.28. A process for producing heating claim 1 , comprising evaporating the composition of and thereafter condensing said composition in the vicinity of a body to be heated.29. A method of replacing R-410A in a refrigeration claim 1 , air conditioning claim 1 , or heat pump system claim 1 , comprising providing the composition of as replacement for said R-410A.30. (canceled)31. The method of claim 29 , wherein the composition is non-flammable.3236.-. (canceled)37. An air conditioning system claim 1 , heat pump system claim 1 , or refrigeration system comprising the composition of .38. The air conditioning system claim 37 , heat pump system claim 37 , or refrigeration system of claim 37 , wherein the system comprises an evaporator claim 37 , compressor claim 37 , condenser claim 37 , and ...

COMPOSITIONS COMPRISING FLUOROOLEFINS AND USES THEREOF

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. 179-. (canceled)80. A fluoroolefin composition comprising 1 ,3 ,3 ,3-tetrafluoro-1-propene , 2 ,3 ,3 ,3-tetrafluoro-1-propene and a non-flammable refrigerant comprising R-134a and R-245fa , wherein the composition is non-flammable.81. The composition of wherein the composition has a global warming potential of less than 150.82. The composition of wherein the composition has a global warming potential of less than 50.83. A method for replacing the use of a high global warming potential refrigerant claim 80 , said method comprising: providing the composition of in refrigeration claim 80 , air conditioning claim 80 , or heat pump apparatus in place of claim 80 , or in combination with claim 80 , a high global warming potential refrigerant in said apparatus.84. A method of using the composition of to lower global warming potential of an original refrigerant or heat transfer fluid composition claim 80 , said method comprising combining said original refrigerant or heat transfer fluid composition with the composition of claim 80 , to produce a second refrigerant or heat transfer fluid composition wherein said second refrigerant or heat transfer fluid composition has a lower global warming potential than said original refrigerant or heat transfer fluid composition.85. A method for reducing the GWP of an original refrigerant or heat transfer fluid composition in a refrigeration claim 80 , air-conditioning or heat pump apparatus claim 80 , wherein said original refrigerant or heat transfer fluid has a GWP of about 150 or higher; said method comprising introducing a ...

COMPOSITIONS CONTAINING DIFLUOROMETHANE, TETRAFLUOROPROPENE, AND CARBON DIOXIDE AND USES THEREOF

In accordance with the present invention refrigerant compositions are disclosed. The compositions comprise a refrigerant mixture consisting essentially of HFC-32, HFO-1234yf, and CO. The compositions are useful as refrigerants in processes to produce cooling and heating, in methods for replacing refrigerant R-410A, and in refrigeration, air conditioning or heat pump systems. These inventive compositions match cooling capacity for R-410A within 20% with GWP less than 250 or less than 200. 1. A composition comprising a refrigerant mixture for replacing R-410A said refrigerant mixture consisting essentially of from about 25 to about 38 weight percent difluoromethane , about 55 to about 65 weight percent 2 ,3 ,3 ,3-tetrafluoropropene , and about 3 to about 10 weight percent carbon dioxide.2. The composition of claim 1 , said refrigerant mixture consisting essentially of from about 25 to about 37 weight percent difluoromethane claim 1 , about 56 to about 64 weight percent 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene claim 1 , and about 5 to about 10 weight percent carbon dioxide.3. The composition of claim 1 , said refrigerant mixture consisting essentially of about 27 to 36 weight percent difluoromethane claim 1 , about 57 to 63 weight percent 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene claim 1 , and about 5 to 10 weight percent carbon dioxide.4. The composition of claim 1 , said refrigerant mixture consisting essentially of about 28 to 36 weight percent difluoromethane claim 1 , about 58 to 63 weight percent 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene claim 1 , and about 6 to 9 weight percent carbon dioxide.5. The composition of claim 1 , said refrigerant mixture consisting essentially of about 29 to 36 weight percent difluoromethane claim 1 , about 58 to 63 weight percent 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene claim 1 , and about 6 to 8 weight percent carbon dioxide.6. The composition of claim 1 , said refrigerant mixture ...

COMPOSITIONS CONTAINING DIFLUOROMETHANE AND FLUORINE SUBSTITUTED OLEFINS

Compositions comprising multi-fluorinated olefins and HFC-32 are disclosed. Such compositions are useful particularly for in stationary refrigeration and air conditioning equipment. 1. A heat transfer composition comprising a refrigerant composition consisting essentially of:(a) difluoromethane (R-32) in an amount from about 60 weight percent to about 70 weight percent; and(b) 2,3,3,3-tetrafluoropropene (HFO-1234yf) in an amount from about 30 weight percent to about 40 weight percent; andwherein said refrigerant has an evaporator glide and a compressor glide of less than about 5° C.2. The heat transfer composition of wherein said refrigerant composition comprises from 66.6 to 75.6 percent by weight of HFC-32 and from about 24.4 to about 33.4 percent by weight of HFO-1234yf.3. A method of transferring heat to or from a fluid or body comprising causing a phase change in a refrigerant composition according to and exchanging heat with said fluid or body during said phase change.4. A refrigeration system comprising a heat transfer composition in accordance with claim 1 , said system being selected from the group consisting of automotive air conditioning systems claim 1 , residential refrigerator systems claim 1 , residential freezer systems claim 1 , commercial refrigerator systems claim 1 , commercial freezer systems claim 1 , chillers claim 1 , heat pump systems claim 1 , and combinations of two or more of these.5. The heat transfer composition of wherein difluoromethane (R-32) is provided present in said refrigerant an amount of about 67.4 weight percent and said HFO-1234yf is present in said refrigerant in an amount of about 32.6 weight percent.6. The heat transfer composition of wherein said refrigerant consists of said difluoromethane (R-32) and said HFO-1234yf.7. The heat transfer composition of wherein said refrigerant consists of said difluoromethane (R-32) and said HFO-1234yf.8. The heat transfer composition of wherein said refrigerant has a GWP of less than ...

LOW GWP HEAT TRANSFER COMPOSITIONS

The present invention relates, in part, to heat transfer compositions and methods that include (a) from about 60% to about 70% by weight of HFC-32; (b) from about 20% to about or less than 40% by weight of a compound selected from unsaturated —CF3 terminated propenes, unsaturated —CF3 terminated butenes, and combinations of these; and (c) from greater than about 0% to about 10% by weight of n-butane, isobutane, and combinations thereof. 1. A heat transfer composition comprising:(a) from about 60% to about 70% by weight of HFC-32;(b) from about 20% to less than about 40% by weight of a compound selected from unsaturated —CF3 terminated propenes, unsaturated —CF3 terminated butenes, and combinations of these; and(c) from greater than about 0% to about 10% by weight of a compound selected from the group consisting of n-butane, isobutane and combinations thereof,provided that the amount of component (c) is effective to improve one or more of the composition's glide; heating capacity, cooling capacity, heating efficiency, cooling efficiency; and/or discharge temperature, as compared to compositions lacking component (c).2. The heat transfer composition of claim 1 , wherein said component (b) comprises HFO-1234ze.3. The heat transfer composition of claim 1 , wherein said component (b) consists essentially of transHFO-1234ze.4. The heat transfer composition of claim 1 , wherein said component (b) consists of HFO-1234ze.5. The heat transfer composition of claim 1 , wherein HFO-1234ze and component (c) are provided in effective amounts to form an azeotrope or azeotrope-like composition.6. The heat transfer composition of claim 5 , wherein HFC-32 and component (c) are provided in effective amounts to form an azeotrope or azeotrope-like composition.7. The heat transfer composition of claim 1 , wherein (a) is provided in an amount of from about 63% to about 69% by weight; component (b) is provided in an amount of from about 25% to less than about 37% by weight; and component (c ...

HEAT TRANSFER COMPOSITIONS, METHODS AND SYSTEMS

The present invention includes refrigerant composition, including trifluoroiodomethane (CFI); 1,1,1,2-tetrafluoropropene (HFO-1234yf); difluoromethane (HFC-32); and pentafluoroethane (HFC-125), for use in a heat exchange system, including refrigeration applications and in particular aspects to the use of such compositions as a replacement of the refrigerant R-404A for heating and cooling applications and to retrofitting heat exchange systems, including systems designed for use with R-404A. 1. A refrigerant comprising at least about 97% by weight of the following four compounds with each compound being present in the following relative percentages:{'sub': '3', '32.8 to 42.8% by weight trifluoroiodomethane (CFI);'}48 to 58% by weight 1,1,1,2-tetrafluoropropene (HFO-1234yf);2 to 6% by weight difluoromethane (HFC-32); and1 to 3.2±0.2% by pentafluoroethane (HFC-125).2. The refrigerant of comprising at least about 98.5% by weight of the following four compounds in the relative amounts set forth below:{'sub': '3', '36 to 39% by weight trifluoroiodomethane (CFI);'}51 to 55% by weight 1,1,1,2-tetrafluoropropene (HFO-1234yf);2 to 6% by weight difluoromethane (HFC-32); and1 to 3.2±0.2% by weight carbon pentafluoroethane (HFC-125).3. The refrigerant of consisting essentially of the following four compounds in the relative amounts set forth below:{'sub': '3', '36 to 39% by weight trifluoroiodomethane (CFI);'}51 to 55% by weight 1,1,1,2-tetrafluoropropene (HFO-1234yf);2 to 6% by weight difluoromethane (HFC-32); and1 to 3.2±0.2% by weight pentafluoroethane (HFC-125).4. The refrigerant of consisting of the following four compounds in the relative amounts set forth below:{'sub': '3', '36 to 39% by weight trifluoroiodomethane (CFI);'}51 to 55% by weight 1,1,1,2-tetrafluoropropene (HFO-1234yf);2 to 6% by weight difluoromethane (HFC-32); and1 to 3.2±0.2% by weight pentafluoroethane (HFC-125).5. The refrigerant comprising at least about 97% by weight of the following four compounds in ...

REFRIGERANT MIXTURES

Use of a gaseous mixture selected from the group consisting of:—propane in a concentration from 71% to 79% by weight and a gas selected from the group consisting of isobutene and butene or mixtures thereof in a concentration from 21% to 29% by weight as a replacement or alternative refrigerant gas for R134a and/or for other refrigerants which are replacements or alternatives to R134a containing HFC (hydrofluorocarbons), HFO (hydrofluoro olefins) and HFE (hydrofluoro ethers). 1. Use of a gaseous mixture selected from the group consisting of:propane in a concentration from 71% to 79% by weight and a gas selected from the group consisting of isobutene and butene or mixtures thereof in a concentration from 21% to 29% by weight as a replacement or alternative refrigerant gas for R134a and/or for other refrigerants which are replacements or alternatives to R134a containing HFC (hydrofluorocarbons), HFO (hydrofluoro olefins) and HFE (hydrofluoro ethers).2. Use according to claim 1 , wherein the gaseous mixture consists of 75% by weight of propane and 25% by weight of isobutene.3. Use according to claim 1 , wherein the gaseous mixture consists of 75% by weight of propane and 25% by weight of butene.4. Use according to claim 1 , wherein said gaseous mixture is used in air-conditioning or refrigeration plants.5. Use according to claim 1 , wherein said gaseous mixture is used in air-conditioning systems of motor vehicles claim 1 , refrigerated cabinets for supermarkets claim 1 , cold stores claim 1 , domestic refrigerators claim 1 , centrifugal chillers claim 1 , domestic claim 1 , commercial and industrial air-conditioning plants claim 1 , domestic claim 1 , commercial and industrial chillers claim 1 , air-conditioning or refrigeration plants in the process industry claim 1 , refrigerated transport claim 1 , chilled water dispensers claim 1 , commercial ice machines claim 1 , and domestic claim 1 , commercial and industrial dehumidifiers.6. Refrigerant gaseous mixture ...

REFRIGERANT MIXTURES

Use of a gaseous mixture, selected from the group consisting of:—dimethyl ether in a concentration from 85% to 95% by weight and propylene in a concentration from 5% to 15% by weight, and—dimethyl ether in a concentration from 71% to 85% by weight and propane in a concentration from 15% to 29% by weight as a replacement or alternative refrigerant for R134a and/or for other refrigerants which are replacements or alternatives to R134a containing HFC (hydrofluorocarbons), HFO (hydrofluoro olefins) and HFE (hydrofluoro ethers). 1. Use of a gaseous mixture , selected from the group consisting of:dimethyl ether in a concentration from 85% to 95% by weight and propylene in a concentration from 5% to 15% by weight, anddimethyl ether in a concentration from 71% to 85% by weight and propane in a concentration from 15% to 29% by weight as a replacement or alternative refrigerant for R134a and/or for other refrigerants which are replacements or alternatives to R134@ containing HFC (hydrofluorocarbons), HFO (hydrofluoro olefins) and HFE (hydrofluoro ethers).2. Use according to claim 1 , wherein the mixture consists of:dimethyl ether in a concentration from 91% to 95% by weight, andpropylene in a concentration from 5% to 9% by weight.3. Use according to claim 1 , wherein the mixture consists of 92% by weight of dimethyl ether and 8% by weight of propylene.4. Use according to claim 1 , wherein the mixture consists of:dimethyl ether in a concentration from 77% to 83% by weight, andpropane in a concentration from 23% to 17% by weight.5. Use according to claim 1 , wherein said mixture consists of 79% by weight of dimethyl ether and 21% by weight of propane.6. Use according to claim 1 , wherein said gaseous mixture is used in air-conditioning or refrigeration plants.7. Use according to claim 1 , wherein said gaseous mixture is used in air-conditioning systems of motor vehicles claim 1 , refrigerated cabinets for supermarkets claim 1 , cold stores claim 1 , domestic refrigerators claim ...

REFRIGERANT CONTAINING CARBON DIOXIDE AND FLUORINATED HYDROCARBON, USE THEREFOR, REFRIGERATING MACHINE PROVIDED WITH SAME, AND OPERATION METHOD FOR SAID REFRIGERATING MACHINE

A problem to be solved is to provide a composition containing a refrigerant that satisfies the following four properties: (1) a GWP of 1500 or less, (2) ASHRAE non-flammability, (3) a COP equivalent to that of R410A, and (4) a refrigerating capacity equivalent to that of R410A. As a solution to the problem, provided is a composition containing a refrigerant that contains CO, R32, R125, and R134a, wherein when the mass % of CO, R32, R125, and R134a based on their sum in the refrigerant is respectively x, a, b, and c, coordinates (a,b,c) in a ternary composition diagram in which 2.7≤x<6.0, and the sum of R32, R125, and R134a is (100−x) mass % fall within a triangular region surrounded by line segments that connect point E, point F, and point G, or on the line segments; or coordinates (a,b,c) in a ternary composition diagram in which 6.0≤x<9.0 fall within a triangular region surrounded by line segments that connect point E, point F, and point G, or on the line segments. 5. The composition according to claim 1 , comprising R32 claim 1 , R125 claim 1 , R134a claim 1 , and COin a total amount of 99.5 mass % or more based on the entire refrigerant.6. The composition according to claim 1 , comprising a refrigerant oil.7. The composition according to claim 1 , wherein the refrigerant is used as an alternative refrigerant for R410A.8. A refrigerating machine comprising the composition according to .9. The refrigerating machine according to claim 8 , comprising a heat exchanger in which a flow of the refrigerant and a flow of an external heat medium are in countercurrent flow.10. The refrigerating machine according to claim 8 , comprising a heat-source-side heat exchanger and a user-side heat exchanger claim 8 , wherein when the user-side heat exchanger functions as an evaporator claim 8 , the evaporating temperature of the refrigerant is 0° C. or below.11. A refrigerating machine comprising at least one fluorinated hydrocarbon selected from the group consisting of ...

LOW GLOBAL WARMING POTENTIAL REFRIGERANTS IN LIQUID CHILLERS

A refrigeration system is disclosed. The system includes a compressor, a condenser, an expansion device, and an evaporator fluidly connected to form a refrigeration circuit. A refrigerant composition including an environmentally-suitable chiller refrigerant that has a 100 year direct global warming potential (GWP) of less than 150 is included. The refrigerant composition includes a mixture including R-1336mzz-(Z) and R-1130-(E), wherein an amount of R-1336mzz-(Z) in the mixture is in a range from at or about 69% by weight to at or about 81% by weight, and an amount of R-1130-(E) in the mixture is in a range from at or about 31% by weight to at or about 19% by weight. 1. A refrigeration system , comprising:a negative pressure liquid chiller, including a compressor, a condenser, an expansion device, and an evaporator fluidly connected to form a refrigeration circuit, and further including a purge; anda refrigerant composition configured as a low pressure refrigerant and including an environmentally-suitable chiller refrigerant that has a 100 year direct global warming potential (GWP) of less than 150, the refrigerant composition including a mixture including R-1336mzz-(Z) and R-1130-(E), wherein an amount of R-1336mzz-(Z) in the mixture is in a range from at or about 69% to at or about 81%, and an amount of R-1130-(E) in the mixture is in a range from at or about 31% to at or about 19%.2. The refrigeration system according to claim 1 , wherein the amount or R-1336mzz-(Z) in the mixture is in a range from at or about 69% to at or about 76% and the amount of R-1130-(E) in the mixture is in a range from at or about 31% to at or about 24%.3. The refrigeration system according to claim 1 , wherein the amount of R-1336mzz-(Z) in the mixture is at or about 75% and the amount of R-1130-(E) in the mixture is at or about 25%.45-. (canceled)6. The refrigeration system according to claim 1 , wherein the environmentally-suitable chiller refrigerant has a GWP less than 10.7. The ...

Refrigerant mixtures

Use of a gaseous mixture, selected from the group consisting of—propylene in a concentration from 90% to 99% by weight and a gas selected from the group consisting of butene, ethylene and ethane or mixtures thereof in a concentration from 1% to 10% by weight; as replacement or alternative refrigerant gas for R404A, R507A and/or R407C, and/or other replacement or alternative refrigerants for R404A, R507A and R407C containing HFC (hydrofluorocarbons), HFO (hydrofluoro olefins) and HFE (hydrofluoro ethers).

NON-FLAMMABLE MIXED REFRIGERANT CAPABLE OF REDUCING GREENHOUSE EFFECT AND USE THEREOF

Provided are a mixed refrigerant that is non-flammable and capable of reducing the greenhouse effect, and the use thereof. The mixed refrigerant comprises the following components in mass fractions: 10%-30% of R134a, 5%-70% of R1234ze(E), and 18%-65% of R1234yf. The mixed refrigerant of the present invention, in fitting combination with the amount ranges of all the components, makes the refrigerant non-flammable, and the ODP thereof is 0, and the GWP thereof is no greater than 400. The mixed refrigerant can be used in a refrigeration system, has no ozone destructive power, reduces the greenhouse effect, has a lower temperature glide, and belongs to ternary azeotropic or nearly azeotropic refrigerants, which is beneficial to the stable operation of a refrigeration system. The mixed refrigerant of the present invention can also serve as a foaming agent or aerosol propellant, and has the advantages of being non-flammable, having a low ozone destruction index, and being environmentally friendly and safe and reliable. 1. A mixed refrigerant consisting of , by mass fraction , 10-30% of R134a , 5-70% of R1234ze(E) , and 18-65% of R1234yf.2. The mixed refrigerant according to claim 1 , wherein the mixed refrigerant is non-flammable and azeotropic or near-azeotropic.3. The mixed refrigerant according to claim 1 , wherein the mixed refrigerant has an ODP of 0 and a GWP of less than or equal to 400.4. The mixed refrigerant according to claim 3 , wherein the mixed refrigerant has an ODP of 0 and a GWP of less than or equal to 150.5. The mixed refrigerant according to claim 1 , wherein the mixed refrigerant further contains CFI.6. The mixed refrigerant according to claim 1 , wherein the mixed refrigerant further contains a stabilizer.7. The mixed refrigerant according to claim 5 , wherein the mixed refrigerant further contains a stabilizer.8. The mixed refrigerant according to claim 6 , wherein the stabilizer contains claim 6 , but is not limited to claim 6 , one selected from ...

REFRIGERANT COMPOSITION INCLUDING HFO-1234ze(E) AND HFC-134 AND USE FOR SAME

The present invention provides a refrigerant composition having performance such as ASHRAE non-flammability, a large refrigerating capacity, a GWP lower than that of HFC-134, and a COP that is equal to that of HFC-134. A refrigerant composition comprising HFO-1234(E) and HFC-134, which is for use in at least one refrigeration apparatus selected from the group consisting of refrigerators, freezers, water coolers, ice makers, refrigerating showcases, freezing showcases, freezing and refrigerating units, refrigerating machines for freezing and refrigerating warehouses, chillers (chilling units), turbo refrigerating machines, and screw refrigerating machines. 1. A refrigerant composition comprising HFO-1234ze(E) and HFC-134 , which is for use in at least one refrigeration apparatus selected from the group consisting of refrigerators , freezers , water coolers , ice makers , refrigerating showcases , freezing showcases , freezing and refrigerating units , refrigerating machines for freezing and refrigerating warehouses , chillers (chilling units) , turbo refrigerating machines , and screw refrigerating machines.2. The refrigerant composition according to claim 1 , wherein HFO-1234ze(E) is contained in an amount of 1 to 64% by weight claim 1 , and HFC-134 is contained in an amount of 36 to 99% by weight per 100% by weight of the total amount of HFO-1234ze(E) and HFC-134.3. The refrigerant composition according to claim 1 , wherein HFO-1234ze(E) is contained in an amount of 44 to 64% by weight claim 1 , and HFC-134 is contained in an amount of 36 to 56% by weight per 100% by weight of the total amount of HFO-1234ze(E) and HFC-134.4. A refrigerant composition comprising HFO-1234ze(E) claim 1 , HFC-134 claim 1 , and a third component claim 1 , wherein the third component is at least one compound selected from the group consisting of HCFO-1233zd(E) claim 1 , HCFO-1224yd(Z) claim 1 , HFO-1234ze(Z) claim 1 , HFO-1336mzz(E) claim 1 , HFO-1336mzz(Z) claim 1 , HFO-1225ye(E) claim ...

Azeotrope to azeotrope-like composition containing 1-chloro-3,3,3-trifluoropropene and 1,1,1,3,3-pentafluoropropane

The problem to be solved by the present invention is to provide a novel mixed refrigerant that can be an alternative for HCFC-123, has a low ODP and a low GWP, has a COP equal to that of HCFC-123, and has a refrigerating capacity and gas density higher than those of single refrigerants, such as HCFO-1233zd(E) and HFC-245fa, which are being considered as alternative refrigerants for HCFC-123. A composition comprising a refrigerant, wherein the refrigerant comprises HCFO-1233zd(E) and HFC-245fa, and has a mass ratio of HCFO-1233zd(E) to HFC-245fa of 18:82 to 49:51 is provided as a means for solving the above problem.

COMPOSITION CONTAINING MIXTURE OF FLUORINATED HYDROCARBONS, AND METHOD FOR PRODUCING SAME

This invention provides, as alternative refrigerants for R404A, a refrigerant and refrigerant composition that have, for example, a nonflammability similar to that of R404A, a refrigerating capacity that can replace that of R404A, a ratio of refrigerating capacity to power consumed in a refrigeration cycle (coefficient of performance (COP)) that is equal or superior to that of R404A, and a lower GWP than that of R404A. 1. A composition comprising a mixture containing fluorinated hydrocarbons , the mixture comprising difluoromethane (R32) , pentafluoroethane (R125) , and 1 ,1 ,1 ,2-tetrafluoroethane (R134a) in amounts such that the sum of the concentrations thereof is 99.5 wt % or more , the composition ratio of the fluorinated hydrocarbons contained in the mixture falling within a triangle having the following three points as vertices in a ternary composition diagram in which the sum of the concentrations of R32 , R125 , and R134a is 100 wt %:point A (R32/R125/R134a=37.3/17.0/45.7 wt %),point F (R32/R125/R134a=30.7/10.9/58.4 wt %), andpoint G (R32/R125/R134a=29.4/14.1/56.5 wt %),the mixture being an alternative refrigerant for R404A that is a mixed refrigerant.2. The composition comprising a mixture containing fluorinated hydrocarbons according to claim 1 , wherein the composition ratio of the fluorinated hydrocarbons contained in the mixture falls within a quadrilateral having the following four points as vertices in a ternary composition diagram in which the sum of the concentrations of R32 claim 1 , R125 claim 1 , and R134a is 100 wt %:point B (R32/R125/R134a=34.0/13.9/52.1 wt %),point C (R32/R125/R134a=33.3/15.5/51.2 wt %),point E (R32/R125/R134a=31.7/14.9/53.4 wt %), andpoint D (R32/R125/R134a=32.7/12.8/54.5 wt %).3. The composition comprising a mixture containing fluorinated hydrocarbons according to claim 1 , wherein the composition ratio of the fluorinated hydrocarbons contained in the mixture falls within a triangle having the following three points as ...

Low GWP heat transfer compositions containing difluoromethane, A Fluorinated ethane and 1,3,3,3-tetrafluoropropene

Heat transfer compositions, methods and use wherein the composition comprising: (a) from about 5 to about 20% by weight of HFC-32; (b) from about 70% to about 90% by weight of HFO-1234ze; and (c) from about 5% to less than about 20% by weight of HFC-152a and/or HFC-134a. 1. A heat transfer composition comprising from 30% to 90% by weight trans-1 ,3 ,3 ,3-tetrafluoropropene R-1234ze(E) , from 4 to 20% by weight difluoromethane R-32 and from 10 to 50% by weight 1 ,1 ,1 ,2-tetrafluoroethane (R-134a) , wherein the composition comprises substantially no 3 ,3 ,3-trifluoropropene (1243zf).2. A composition according to claim 1 , wherein the temperature glide is less than 5K.3. A composition according to claim 1 , wherein the composition has a volumetric refrigeration capacity within 10% of the existing refrigerant that it is intended to replace.4. A composition according to claim 1 , wherein the composition has a compressor discharge temperature within 10K of the existing refrigerant that it is intended to replace.5. A composition according to containing from 4 to about 16% by weight R-32 claim 1 , from 10 to about 50 by weight R-134a claim 1 , and from 35 to 90% R-1234ze(E).6. A composition according containing from 4 to 14% by weight R-32 claim 5 , from 10 to 50% by weight R-134a claim 5 , and from 35 to 85% R-1234ze(E).7. A composition according to claim 1 , consisting essentially of R-1234ze(E) claim 1 , R-152a and R-134a.8. A composition according to claim 1 , wherein the composition has a GWP of less than 1000.9. A composition according to claim 1 , wherein the temperature glide is less than 10K.10. A composition according to claim 1 , wherein the composition has a volumetric refrigeration capacity within 15% claim 1 , of the existing refrigerant that it is intended to replace.11. A composition according to claim 1 , wherein the composition is less flammable than R-32 alone or R-1234yf alone.12. A composition according to which is non-flammable.13. A composition ...

REFRIGERANT MIXTURES COMPRISING TETRAFLUOROPROPENES AND TETRAFLUOROETHANE AND USES THEREOF

Disclosed herein are compositions containing: (A) a refrigerant component containing (1) at least one refrigerant having an OEL less than 400; and (2) a combination of refrigerants, each having an OEL greater than 400, containing (i) at least one compound selected from HFC-134a and HFC-134, and (ii) trans-HFO-1234ze, wherein the refrigerant component has an overall OEL of at least 400 and is non-flammable. The refrigerant mixtures are useful as components in compositions optionally also containing non-refrigerant components (e.g. lubricants), in methods to produce cooling, in methods for replacing refrigerant R-134a, and in refrigeration or air conditioning apparatus. 1. A composition consisting of: (1) at least one refrigerant having an OEL less than 400; and', (i) at least one compound selected from HFC-134a and HFC-134, and', '(ii) trans-HFO-1234ze;, '(2) a combination of refrigerants, each having an OEL greater than 400, consisting essentially of'}], '(A) a refrigerant component consisting essentially ofwherein component (A)(1) is from about 1 to about 33 weight percent of the refrigerant component, component (A)(2)(i) is from about 40 to about 49 weight percent of the refrigerant component and component (A)(2)(ii) is from about 23 to about 55 weight percent of the refrigerant component, provided that when HFC-134a is less than 43 weight percent of the refrigerant component, then HFC-134 is at least 1 weight percent of the refrigerant component; and optionally(B) a non-refrigerant component;wherein component (A)(2) of the refrigerant component is present in an amount sufficient to provide an overall OEL for the refrigerant component of at least 400 and wherein component (A)(2)(i) is present in an amount sufficient to provide a non-flammable refrigerant component.2. The composition of wherein the refrigerant component and the WCFF are non-flammable by ASTM-681 at 60° C.3. The composition of wherein the refrigerant component has a GWP of less than 900.4. The ...

HFO REFRIGERANT COMPOSITION HAVING IMPROVED SLIDABILITY

The present invention provides a highly stable HFO refrigerant composition for use in a vapor compression-type refrigeration system, having improved slidability for the sliding portions of the vapor compression-type refrigeration system. More specifically, the present invention provides an HFO refrigerant composition comprising at least one type of HFO refrigerant and a polymer of halogenated propene represented by CHFCl(provided that a+b+c=6, a=an integer of 1 to 3, b=an integer of 3 to 5, and c=an integer of 0 to 1) that is an oligomer having a molecular weight of 200 to 900. 1. A method of improving slidability in a member selected from the group consisting of mobile air conditioners , refrigerators , turbo freezers , container freezers , household air conditioners , and industrial air conditions , comprising{'sub': 3', 'a', 'b', 'c, 'combining an HFO refrigerant composition comprising at least one type of HFO refrigerant and a polymer of halogenated propene represented by CHFCl(provided that a+b+c=6, a=an integer of 1 to 3, b=an integer of 3 to 5, and c=an integer of 0 to 1) that is an oligomer having a molecular weight of 200 to 900 with the member described above.'}2. The method according to claim 1 , wherein the HFO refrigerant is at least one member selected from the group consisting of 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene (HFO-1234yf) claim 1 , (Z or E-)1 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene (HFO-1234ze) claim 1 , (Z or E-) 1 claim 1 ,2 claim 1 ,3 claim 1 ,3 claim 1 ,3-pentafluoropropene (HFO-1225ye) claim 1 , 1 claim 1 ,1 claim 1 ,3 claim 1 ,3 claim 1 ,3-pentafluoropropene (HFO-1225zc) claim 1 , and 3 claim 1 ,3 claim 1 ,3-trifluoropropene (HFO-1243zf).3. The method according to comprising the oligomer in an amount of 0.1 to 10 parts by weight per 100 parts by weight of the HFO refrigerant.4. The method according to further comprising a lubricant.5. The method according to claim 4 , wherein the lubricant is at least one ...

TERNARY HEAT-TRANSFER FLUIDS COMPRISING DIFLUOROMETHANE, PENTAFLUOROETHANE AND TETRAFLUOROPROPENE

A ternary composition including: from 5 to 50% of difluoromethane; from 2 to 20% of pentafluoroethane; and from 30 to 90% of tetrafluoropropene. The tetrafluoropropene may be 1,3,3,3-tetrafluoropropene or 2,3,3,3-tetrafluoropropene. This composition can be used as a heat-transfer fluid in vapor compression circuit. A process for heating or cooling a fluid or a body using a vapor compression circuit containing a heat transfer fluid, said process successively including evaporation of the heat transfer fluid, compression of the heat transfer fluid, condensation of the heat fluid and depressurization of the heat transfer fluid, in which the heat transfer fluid is a composition as described. 1. A ternary composition comprising:from 5to 50% of difluoromethane;from 2% to 20% of pentafluoroethane; andfrom 30% to 90% of tetrafluoropropene.2. The composition as claimed in claim 1 , in which the tetrafluoropropene is 1 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene.3. The composition as claimed in claim 1 , in which the tetrafluoropropene is 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene.4. The composition as claimed in claim 1 , comprising:from 15% to 35% of difluoromethane;from 5% to 20% of pentafluoroethane; andfrom 45% to 80% of 2,3,3,3-tetrafluoropropene;and preferably:from 18% to 25% of difluoromethane;from 8% to 20% of pentafluoroethane; andfrom 55% to 74% of 2,3,3,3-tetrafluoropropene.5. The composition as claimed in claim 1 , comprising:from 15% to 50% of difluoromethane;from 5% to 20% of pentafluoroethane; andfrom 30% to 80% of 1,3,3,3-tetrafluoropropene;and preferably:from 30% to 40% of difluoromethane;from 8% to 20% of pentafluoroethane; andfrom 40% to 62% of 1,3,3,3-tetrafluoropropene.6. The composition as claimed in claim 1 , comprising:from 5% to 30% of difluoromethane;from 5% to 20% of pentafluoroethane; andfrom 50% to 90% of 1,3,3,3-tetrafluoropropene;and preferably:from 5% to 20% of difluoromethane;from 5% to 20% of pentafluoroethane; andfrom 60% ...