| 摘要 |
<p>Coolants comprising 1,1-difluoroethylene and one or a plurality of hydrofluoroalkanes, particularly difluoromethane (R-32), trifluoromethane (R-23), 1,1-difluoroethane (R-152a), 1,1,1-trifluoroethane (R-143a), 1,1,1,2-tetrafluoroethane (R-134a) and/or pentafluoroethane (R-125).</p> |
