Examples of 'pentafluoroethane' in a sentence
Meaning of "pentafluoroethane"
Pentafluoroethane (noun): A chemical compound used as a refrigerant and propellant
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- A refrigerant and fire suppression agent with the chemical formula CF₃CHF₂.
How to use "pentafluoroethane" in a sentence
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pentafluoroethane
Process for preparing pentafluoroethane by dismutation of tetrafluorochloroethane.
Mixtures containing only difluoromethane and pentafluoroethane.
Pentafluoroethane and tetrafluoroethane are mentioned in a long list of halogenated hydrocarbons.
Process for stabilization of pentafluoroethane.
Pentafluoroethane is also used as a fire suppression agent in fire suppression systems.
This invention relates to a process for the production of pentafluoroethane.
Recovering the pentafluoroethane.
The pentafluoroethane may then be readily isolated as a substantially pure product.
Ppm by weight of pentafluoroethane.
A fluorocarbon such as pentafluoroethane or tetrafluoroethane may also be present in the fire extinguishing composition.
Recovering purified pentafluoroethane.
A search is currently underway for high performance processes for the industrial production of pentafluoroethane.
Further, pentafluoroethane may be used for a given purposes.
Recently much attention has focused on achieving a satisfactory separation of chloropentafluoroethane from pentafluoroethane.
Unfortunately, the mixture of pentafluoroethane and chloropentafluoroethane form a near-azeotrope.
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The catalysts of the invention can be used in a process for the production of pentafluoroethane.
A first mixture comprising pentafluoroethane and chloropentafluoroethane is supplied vía conduit 1 to extraction column 2.
The process according to the invention makes it possible to recover pentafluoroethane with a greater purity.
The separation of pentafluoroethane from a mixture of pentafluoroethane and chloropentafluoroethane was accomplished as follows,.
Any mixture proportion between the two gases difluoromethane and pentafluoroethane may be possible.
A process for the purification of pentafluoroethane in a binary azeotrope of pentafluoroethane and chloropentafluoroethane comprising,.
A refrigerant as claimed in any one of claims 6 to 8 which comprises pentafluoroethane.
Difluoromethane serves to provide the heat capacity, pentafluoroethane decreases flammability, tetrafluoroethane reduces pressure.
The composition of claim 1 wherein the refrigerant comprises pentafluoroethane.
A process for separating pentafluoroethane from a first mixture of pentafluoroethane and chloropentafluoroethane which comprises,.
The product stream from step ( ii ) may be purified so as to recover pentafluoroethane.
To determine the relative volatility of pentafluoroethane and chloropentafluoroethane the so-called PTx Method is used.
An improved ultramicrocellular material as defined in claim 1, wherein the inflatant is pentafluoroethane.
To determine the relative volatility of pentafluoroethane and chloropentafluoroethane the so-called PTx Method was used.
This refrigerant is a blend of difluoromethane, two hydrofluorocarbon refrigerants, as well as pentafluoroethane.
Difluoromethane ; and pentafluoroethane.
A non-azeotropic refrigerant composition as claimed in claim 13 wherein component ( C ) is a mixture of difluoromethane and pentafluoroethane.
The method of claim 1, 2 or 3 wherein the recovered pentafluoroethane is substantially pure.
Ethylene oxide and pentafluoroethane mixture, with not more than 7.9 % ethylene oxide.
A blend was prepared in a 75 cc stainless steel cylinder consisting of pentafluoroethane and difluoromethane.
Pentafluoroethane may be obtained by the addition of hydrofluoric acid to tetrafluoroethylene ( CF ₂ = CF ₂ ).
In Comparative Example 6 the performance of a composition comprising difluoromethane and pentafluoroethane was evaluated.
According to an embodiment, the purified pentafluoroethane comprises less than 10 ppm by weight of R115.
A refrigerant as claimed in claim 3 or claim 4 which comprises pentafluoroethane.
The present invention relates to a process for purifying pentafluoroethane HFC-125 from chloropentafluoroethane CFC 115.
A process as claimed in any one of claims 1 to 7 for producing pentafluoroethane.
The present invention relates to a process for preparing pentafluoroethane ( hereinafter referred to as HFC 125 ).
This invention relates to a process for the production of hydrofluoroalkanes, particularly 1,1,1,2-tetrafluoroethane and pentafluoroethane.
In Comparative Example 8 the performance of a composition comprising pentafluoroethane and 1,1,1-trifluoroethane was evaluated.
A composition according to claim 1 or 2 in which component ( a ) is pentafluoroethane.
Subject of the invention is thus also a process for preparing pentafluoroethane ( F125 ), the said process comprising,.
The composition of Claim 1 wherein component ( a ) is pentafluoroethane.
One process that is of particular commercial interest is the production of pentafluoroethane ( R125 ) from perchloroethylene.
Azeotropic mixture with approximately 44 % pentafluoroethane.
WO 91/02564 discloses the use of specific heptafluoropropanes and hexafluoropropanes and pentafluoroethane in fire extinguishing compositions.
