申请人:Klug Diana Lynn
公开号:US06905630B2
公开(公告)日:2005-06-14
This invention relates to compositions that include at least one fluoroether and at least one hydrofluorocarbon. Included in this invention are compositions of a cyclic or acyclic hydrofluoroether of the formula C
a
F
b
H
2a+2−b
O
c
wherein a=2 or 3 and 3≦b≦8 and c=1 or 2 and a hydrofluorocarbon of the formula C
n
F
m
H
2n+2−m
wherein 1≦n≦4 and 1≦m≦8. Such compositions may be used as refrigerants, cleaning agents, expansion agents for polyolefins and polyurethanes, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, buffing abrasive agents, and displacement drying agents.
这项发明涉及包括至少一种氟醚和至少一种氢氟烃的组合物。该发明包括具有下列式CaFbH2a+2−bOc的环状或非环状氢氟醚组合物,其中a=2或3,3≦b≦8,c=1或2,以及具有下列式CnFmH2n+2−m的氢氟烃组合物,其中1≦n≦4,1≦m≦8。这些组合物可用作制冷剂、清洁剂、聚烯烃和聚氨酯的膨胀剂、喷雾推进剂、传热介质、气体绝缘体、灭火剂、动力循环工作流体、聚合介质、颗粒去除流体、载体流体、抛光磨料剂和位移干燥剂。