| 摘要 |
A refrigerant composition is described which comprises (A) at least one hydrofluorocarbon selected from the group consisting of difluoromethane (R-32) and 1,1,1-trifluoroethane (R-143a), (B) pentafluoroethane (R-125), (C) perfluoropropane (R-218), and optionally (D) at least one hydrofluorocarbon selected from the group consisting of 1,1,1,2-tetrafluoroethane (R-134a) and 1,1,2,2-tetrafluoroethane (R-134).
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| 申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC;POWELL, RICHARD, LLEWLLYN;CORR, STUART;MURPHY, FREDERICK, THOMAS;MORRISON, JAMES, DAVID |
发明人 |
POWELL, RICHARD, LLEWLLYN;CORR, STUART;MURPHY, FREDERICK, THOMAS;MORRISON, JAMES, DAVID |
