Azeotrope-like compositions and their use
    6.
    发明授权
    Azeotrope-like compositions and their use 有权
    类似共沸物的组合物及其用途

    公开(公告)号:US06288017B1

    公开(公告)日:2001-09-11

    申请号:US09429186

    申请日:1999-10-28

    IPC分类号: C11D726

    摘要: The invention provides azeotrope-like compositions consisting essentially of RfOCH3, where Rf is a branched or straight chain perfluoroalkyl group having 4 carbon atoms, and one or more organic solvent(s) selected from the group consisting of: straight chain, branched chain and cyclic alkanes containing 6 to 8 carbon atoms; cyclic and acyclic ethers containing 4 to 6 carbon atoms; ketones having 3 carbon atoms; chlorinated alkanes containing 1, 3 or 4 carbon atoms; chlorinated alkenes containing 2 carbon atoms, alcohols containing 1 to 4 carbon atoms, partially fluorinated alcohols containing 2 to 3 carbon atoms, 1-bromopropane, acetonitrile, HCFC 225ca (1,1,-dichloro-2,2,3,3,3 pentafluoropropane and HCFC-225cb (1,3-dichloro-1,1,2,2,3-pentafluoropropane).

    摘要翻译: 本发明提供了基本上由RfOCH 3组成的类共沸组合物,其中Rf是具有4个碳原子的支链或直链全氟烷基,以及一种或多种选自直链,支链和环状的有机溶剂 含有6-8个碳原子的烷烃; 含有4-6个碳原子的环状和非环状醚; 具有3个碳原子的酮; 含有1,3或4个碳原子的氯代烷烃; 含有2个碳原子的氯化烯烃,含有1至4个碳原子的醇,含2-3个碳原子的部分氟化醇,1-溴丙烷,乙腈,HCFC 225ca(1,1,1-二氯-2,2,3,3,3 五氟丙烷和HCFC-225cb(1,3-二氯-1,1,2,2,3-五氟丙烷)。

    Cyclic hydrofluoroether compounds and processes for their preparation and use
    8.
    发明授权
    Cyclic hydrofluoroether compounds and processes for their preparation and use 有权
    环状氢氟醚化合物及其制备和使用方法

    公开(公告)号:US08791254B2

    公开(公告)日:2014-07-29

    申请号:US11567602

    申请日:2006-12-06

    IPC分类号: C07D309/10

    CPC分类号: C07D307/20 C07D309/10

    摘要: 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 (—(CF3)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.

    摘要翻译: 氢氟醚化合物包含至少一个五元或六元全氟化杂环,每个环包含四个或五个环碳原子和一个或两个选自二价醚氧原子和三价氮原子的连接杂原子,至少一个连接的 杂原子是二价醚氧原子,并且与具有含氟化学基团的二价醚氧原子相邻的环碳原子包含与环碳原子直接键合的四氟亚乙基部分( - (CF 3)CF-), 含氟基团任选地包含至少一个选自二价醚氧原子和三价氮原子的链状杂原子。