| 摘要 |
<p>Refrigerant compositions include mixtures of pentafluorodimethyl ether and a second component, wherein the second component is ammonia, dimethyl ether, cyclopropane, propane or propylene. The invention also relates to azeotropic or azeotrope-like compositions which comprise admixtures of effective amounts of pentafluorodimethyl ether and ammonia, dimethyl ether, cyclopropane, propane or propylene.</p> |
