| 摘要 |
<p>Azeotrope-like blends are disclosed comprising effective amounts of 1,1,1,2-tetrafluoroethane (HFC-134a), 1,1-difluoroethane (HFC-152a) and a halocarbon selected from the group consisting of 2-chloro-1,1,1,2-tetrafluoroethane (HCFC-124), 2-chloro-1,1,2,2-tetrafluoroethane (HCFC-124a), 1-hydroperfluoropropane (HFC-227ca), 2-hydroperfluoropropane (HFC-227ea), perfluorocyclobutane (FC-C318), 1,2-dichlorotetrafluoroethane (CFC-114), and 1,1-dichlorotetrafluoroethane (CFC-114a).</p> |
