compositions, device for heat transfer and for generating mechanical energy, use of a composition, methods for cooling an article, for heating an article, for cleaning an article, for extracting a biomass substance, for extracting a material from an aqueous solution or a particulate solid matrix, to recondition a heat transfer device and to reduce the environmental impact that comes from operating a product, and any innovative heat transfer composition.

摘要

the present invention provides a composition comprising 1,1-difluoroethene (r-1132a), difluoromethane (r-32), 2,3,3,3-tetrafluoropropene (r-1234yf), optionally, carbon dioxide (co2, r -744) and, optionally, 1,1,2-trifluoroethene (r-1123).