Process for preparing fluorocarboxylic acid halides
    1.
    发明授权
    Process for preparing fluorocarboxylic acid halides 失效
    氟代羧酸卤化物的制备方法

    公开(公告)号:US5616794A

    公开(公告)日:1997-04-01

    申请号:US558243

    申请日:1995-11-17

    IPC分类号: C07C51/58 C07C53/50

    CPC分类号: C07C51/58

    摘要: A process for preparing fluorocarboxylic acid halides comprises the steps of (a) forming a starting composition comprising (i) at least one fluorosulfonic acid halide comprising at least one halosulfonyldifluoromethyl group (--Cf.sub.2 SO.sub.2 X, wherein X is halogen); and (ii) at least one Group III or Group V Lewis acid; and (b) allowing the fluorosulfonic acid halide and the Lewis acid to react to form a product composition comprising at least one fluorocarboxylic acid halide. The process enables the preparation of even higher molecular weight fluorocarboxylic acid halides in good yield.

    摘要翻译: 制备氟代羧酸卤化物的方法包括以下步骤:(a)形成起始组合物,其包含(i)至少一种含有至少一个卤代磺酰基二氟甲基(-Cf 2 SO 2 X,其中X为卤素)的氟磺酰卤; 和(ii)至少一种III族或V族路易斯酸; 和(b)使氟磺酰卤和路易斯酸反应以形成包含至少一种氟代羧酸卤化物的产物组合物。 该方法能够以高产率制备更高分子量的氟代羧酸酰卤。

    Hydrofluoroether as a heat-transfer fluid
    9.
    发明授权
    Hydrofluoroether as a heat-transfer fluid 有权
    氢氟醚作为传热流体

    公开(公告)号:US07390427B2

    公开(公告)日:2008-06-24

    申请号:US11536091

    申请日:2006-09-28

    IPC分类号: C09K5/10 F28C3/00

    CPC分类号: C07C43/126 C09K5/10

    摘要: The present invention provides an apparatus comprising a device and a mechanism for heat transfer comprising a hydrofluoroether heat-transfer fluid wherein the heat transfer fluid is represented by the following structure: Rf—O—Rh—O—Rf′ wherein O is oxygen; Rf and Rf′ are, independently, a fluoroaliphatic group, wherein each Rf and Rf′ contain 1 hydrogen atom; Rh is independently a linear, branched or cyclic alkylene group having from 2 to about 8 carbon atoms and at least 4 hydrogen atoms, and wherein the hydrofluoroether compound is free of —O—CH2—O—. Another embodiment of the present invention is a method therefor.

    摘要翻译: 本发明提供了一种包括装置和用于传热的机构的装置,其包括氢氟醚传热流体,其中传热流体由以下结构表示:<?在线公式描述=“在线公式”结束 =“lead”?> R 在线公式描述=“在线公式 “end =”tail“?>其中O是氧; R f和R f'独立地是氟代脂族基团,其中每个R f和R f' 含有1个氢原子; R h独立地是具有2至约8个碳原子和至少4个氢原子的直链,支链或环状亚烷基,其中所述氢氟醚化合物不含-O-CH 2 -O-。 本发明的另一个实施方案是其方法。

    Hydrofluoroether as a heat-transfer fluid
    10.
    发明授权
    Hydrofluoroether as a heat-transfer fluid 有权
    氢氟醚作为传热流体

    公开(公告)号:US07128133B2

    公开(公告)日:2006-10-31

    申请号:US10738887

    申请日:2003-12-16

    IPC分类号: F28C3/00 C09K5/10

    CPC分类号: C07C43/126 C09K5/10

    摘要: The present invention provides an apparatus comprising a device and a mechanism for heat transfer comprising a hydrofluoroether heat-transfer fluid wherein the heat transfer fluid is represented by the following structure: Rf—O—Rh—O—Rf′ wherein: O is oxygen; Rf and Rf′ are, independently, a fluoroaliphatic group, wherein each Rf and Rf′ contain 1 hydrogen atom; Rh is independently a linear, branched or cyclic alkylene group having from 2 to about 8 carbon atoms and at least 4 hydrogen atoms, and wherein the hydrofluoroether compound is free of —O—CH2—O—. Another embodiment of the present invention is a method therefor.

    摘要翻译: 本发明提供了一种包括装置和用于传热的机构的装置,其包括氢氟醚传热流体,其中传热流体由以下结构表示:<?在线公式描述=“在线公式”结束 =“lead”?> R 在线公式描述=“在线公式 “end =”tail“?>其中:O是氧; R f和R f'独立地是氟代脂族基团,其中每个R f和R f' 含有1个氢原子; R h独立地是具有2至约8个碳原子和至少4个氢原子的直链,支链或环状亚烷基,其中所述氢氟醚化合物不含-O-CH 2 -O-。 本发明的另一个实施方案是其方法。