A hydrofluoroether compound comprises at least one five- or six-membered, perfluorinated heterocyclic ring, each ring comprising four or five ring carbon atoms and one or two catenated heteroatoms selected from divalent ether oxygen atoms and trivalent nitrogen atoms, at least one of the catenated heteroatoms being a divalent ether oxygen atom, and each of the ring carbon atoms adjacent to the divalent ether oxygen atom bearing a fluorochemical group that comprises a tetrafluoroethylidene moiety (—(CF
3
)CF—) that is directly bonded to the ring carbon atom, the fluorochemical group optionally comprising at least one catenated heteroatom selected from divalent ether oxygen atoms and trivalent nitrogen atoms.
一种氢
氟醚化合物包括至少一个五元或六元
全氟杂环环,每个环包括四个或五个环碳原子和一个或两个链状杂原子,所述链状杂原子选自二价醚氧原子和三价氮原子,其中至少一个链状杂原子是二价醚氧原子,并且每个邻近二价醚氧原子的环碳原子带有一个包含与环碳原子直接键合的
四氟乙烯基团(—(
CF3)CF—),该
氟化学基团可选地包括至少一个链状杂原子,所述链状杂原子选自二价醚氧原子和三价氮原子。