Hydrofluorocarbon compositions

C - Chemistry – Metallurgy – 09 – K

Patent

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Details

C09K 3/30 (2006.01) C08J 9/00 (2006.01) C08J 9/14 (2006.01) C08J 9/22 (2006.01) C09K 5/04 (2006.01)

Patent

CA 2271666

The present invention relates to the discovery of compositions which include fluoroethane, 2-fluoropropane or tert-butylfluoride. These compositions are useful as pure components or with at least one of tetrafluoroethane, difluoroethane, hexafluoropropane, a hydrocarbon or dimethylether. These compositions are useful as aerosol propellants, refrigerants, cleaning agent, expansion agents for polyolefins and polyurethanes, refrigerants, heat transfer media, gaseous dielectrics, fire extinguishing agents, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, buffing abrasive agents, and displacement drying agents.

La présente invention concerne la découverte de compositions incluant un fluoroéthane, un 2-fluoropropane ou un tert-butylfluorure. Ces compositions conviennent comme composants utilisés en tant que tels ou en association avec l'un au moins des tétrafluoroéthane, difluoroéthane, hexafluoropropane, hydrocarbure ou diméthyléther. Ces compositions conviennent particulièrement comme propulseurs d'aérosols, réfrigérants, agents nettoyeurs, agents d'expansion pour polyoléfines et polyuréthanes, milieux caloporteurs, diélectriques gazeux, agents extincteurs, fluides moteurs d'impulsion motrice, milieux de polymérisation, fluides d'enlèvement de particules, fluides porteurs, agents de ponçage par abrasion, et comme agents de séchage par déplacement.

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