Process for preparing fluorinated compound
    31.
    发明授权
    Process for preparing fluorinated compound 失效
    氟化合物的制备方法

    公开(公告)号:US5326913A

    公开(公告)日:1994-07-05

    申请号:US897261

    申请日:1992-06-11

    CPC分类号: C07C17/278

    摘要: A fluorinated compound of the formula:R--CCl.sub.2 CF.sub.2 CF.sub.3 (I)in which R is a perfluoroalkyl group, a perchloroalkyl group, a polyfluoroalkyl group, a polychloroalkyl group or a polychloropolyfluoroalkyl group, each having at least one carbon atom is prepared at a high selectivity and a high yield by reacting tetrafluoroethylene with a compound of the formula:R--CFCl.sub.2 (II)in which R is the same as defined above in the presence of a Lewis acid.

    摘要翻译: 以高选择性制备具有至少一个碳原子的R为全氟烷基,全氯烷基,多氟烷基,多氯烷基或聚氯多氟烷基的式R-CCl 2 CF 2 CF 3(I)的含氟化合物 并且通过使四氟乙烯与式R-CFCl 2(II)的化合物反应,其中R在路易斯酸存在下与上述相同。

    PROCESS FOR PREPARING END-MODIFIED VINYLIDENE FLUORIDE ELASTOMER
    33.
    发明申请
    PROCESS FOR PREPARING END-MODIFIED VINYLIDENE FLUORIDE ELASTOMER 有权
    制备末端改性的乙烯基氟化物弹性体的方法

    公开(公告)号:US20100292408A1

    公开(公告)日:2010-11-18

    申请号:US12863549

    申请日:2009-01-20

    IPC分类号: C08F114/22

    摘要: The present invention provides a preparation process for converting to a vinylidene fluoride elastomer having a group having sulfinic acid, sulfinic acid derivative, sulfonic acid or sulfonic acid derivative at one end or both ends of its trunk chain, and the preparation process provides a vinylidene fluoride elastomer having, at one end or both ends of its trunk chain, end groups represented by the formula: —CR1R2—CR3R4—SO2H, wherein R1 to R4 may be the same or different and each is hydrogen atom or fluorine atom, by allowing a vinylidene fluoride elastomer having, at one end or both ends of its trunk chain, end groups represented by the formula: —CR1R2—CR3R4—X1, wherein R1 to R4 are as defined above, X1 is bromine atom or iodine atom, to react with a sulfur compound represented by the formula: (M1)nH2−nS2O4, wherein M1 is a monovalent or divalent metal ion or ammonium ion, n is an integer of 0 to 2.

    摘要翻译: 本发明提供一种在其主链的一端或两端转化为具有亚磺酸,亚磺酸衍生物,磺酸或磺酸衍生物的基团的偏二氟乙烯弹性体的制备方法,其制备方法提供偏二氟乙烯 在其主链的一端或两端具有由下式表示的端基的弹性体:-CR1R2-CR3R4-SO2H,其中R1至R4可以相同或不同,各自为氢原子或氟原子,通过使 偏二氟乙烯弹性体在其主链的一端或两端具有由下式表示的端基:-CR1R2-CR3R4-X1,其中R1至R4如上定义,X​​1为溴原子或碘原子,与 由式(M1)nH2-nS2O4表示的硫化合物,其中M1是一价或二价金属离子或铵离子,n是0-2的整数。

    Process for producing fluoroalkylcarboxylic acid
    35.
    发明授权
    Process for producing fluoroalkylcarboxylic acid 有权
    氟代烷基羧酸的制备方法

    公开(公告)号:US06891064B1

    公开(公告)日:2005-05-10

    申请号:US09700494

    申请日:1999-05-20

    IPC分类号: C07C51/27 C07C53/21

    CPC分类号: C07C51/27 C07C53/21

    摘要: The present invention provides a process for producing a fluoroalkylcarboxylic acid of the formula RfCOOH wherein Rf is a C1-16 fluoroalkyl group, which comprises oxidizing a fluoroalkyl alcohol of the formula RfCH2OH wherein Rf is as defined above using nitric acid. The process according to the present invention produces a fluoroalkylcarboxylic acid with high selectivity at low costs.

    摘要翻译: 本发明提供一种制备式RfCOOH的氟代烷基羧酸的方法,其中R f是C 1-16位氟代烷基,其包括将式RfCH 2 SO 2的氟烷基醇氧化 > OH,其中Rf如上所述使用硝酸。 根据本发明的方法以低成本高选择性地生产氟烷基羧酸。

    Process for the preparation of perfluoroalkanones
    36.
    发明授权
    Process for the preparation of perfluoroalkanones 有权
    制备全氟烷酮的方法

    公开(公告)号:US06689917B2

    公开(公告)日:2004-02-10

    申请号:US10257383

    申请日:2002-10-18

    IPC分类号: C07C4548

    CPC分类号: C07C45/00

    摘要: The present invention provides a process for producing a linear perfluoroalkanone or a perfluorocycloalkanone, which comprises using as a starting material a combination of the same or different kinds of compounds that are selected from perfluoroalkanoyl halides represented by the formula: F(CF2)nCOX wherein X is F, Cl, Br or I and n is an integer of 1 to 8, or a perfluoroalkanedioyl dihalide represented by the formula: XOC(CF2)nCOX wherein X is F, Cl, Br or I and n is an integer of 3 to 8, and reacting the starting material with a metal carbonate or metal carbonates. According to the present invention, perfluoroalkanones can be produced with a good yield from relatively easily available starting materials by a simple synthesis method.

    摘要翻译: 本发明提供一种直链全氟烷酮或全氟环烷酮的制备方法,该方法包括使用选自由式F(CF 2)n COX表示的全氟烷酰基卤化物的相同或不同种类的化合物作为起始原料,其中X 是F,Cl,Br或I,n是1〜8的整数,或由式XOC(CF 2)n COX表示的全氟烷二酰基二卤化物,其中X是F,Cl,Br或I,n是3〜 8,并使原料与金属碳酸盐或金属碳酸盐反应。 根据本发明,通过简单的合成方法,可以通过相对容易获得的起始原料以高产率生产全氟烷醇酮。

    Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodides
    37.
    发明授权
    Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodides 有权
    全氟烷基碘和氟化氢的共沸混合物,以及分离和纯化全氟烷基碘化物的方法

    公开(公告)号:US06380148B2

    公开(公告)日:2002-04-30

    申请号:US09886270

    申请日:2001-06-22

    IPC分类号: C11D730

    摘要: The present invention provides a method for isolating and purifying 1,1,1,2,2-pentafluoroethyl iodide or hydrogen fluoride from a mixture of 1,1,1,2,2-pentafluoroethyl iodide and hydrogen fluoride, characterized by distilling an azeotropic mixture of 1,1,1,2,2-pentafluoroethyl iodide and hydrogen fluoride from a mixture containing 1,1,1,2,2-pentafluoroethyl iodide and hydrogen fluoride either after liquid—liquid separation when the mixture is heterogeneous or directly when the mixture is homogeneous to obtain 1,1,1,2,2-pentafluoroethyl iodide or hydrogen fluoride from the bottom of the distillation column.

    摘要翻译: 本发明提供从1,1,1,2,2-五氟乙基碘和氟化氢的混合物中分离和纯化1,1,1,2,2-五氟乙基碘或氟化氢的方法,其特征在于蒸馏共沸 当混合物是异质的或直接当液体分离时,来自含有1,1,1,2,2-五氟乙基碘和氟化氢的混合物的1,1,1,2,2-五氟乙基碘和氟化氢的混合物 混合物是均匀的,从蒸馏塔的底部得到1,1,1,2,2-五氟乙基碘或氟化氢。

    Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodides
    38.
    发明授权
    Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodides 有权
    全氟烷基碘和氟化氢的共沸混合物,以及分离和纯化全氟烷基碘化物的方法

    公开(公告)号:US06271189B1

    公开(公告)日:2001-08-07

    申请号:US09445584

    申请日:1999-12-13

    IPC分类号: C11D730

    摘要: The present invention provides a method for isolating and purifying 1,1,1,2,2-pentafluoroethyl iodide or hydrogen fluoride from a mixture of 1,1,1,2,2-pentafluoroethyl iodide and hydrogen fluoride, characterized by distilling an azeotropic mixture of 1,1,1,2,2-pentafluoroethyl iodide and hydrogen fluoride from a mixture containing 1,1,1,2,2-pentafluoroethyl iodide and hydrogen fluoride either after liquid-liquid separation when the mixture is heterogeneous or directly when the mixture is homogeneous to obtain 1,1,1,2,2-pentafluoroethyl iodide or hydrogen fluoride from the bottom of the distillation column.

    摘要翻译: 本发明提供从1,1,1,2,2-五氟乙基碘和氟化氢的混合物中分离和纯化1,1,1,2,2-五氟乙基碘或氟化氢的方法,其特征在于蒸馏共沸 当混合物是异质的或直接当液体分离时,来自含有1,1,1,2,2-五氟乙基碘和氟化氢的混合物的1,1,1,2,2-五氟乙基碘和氟化氢的混合物 混合物是均匀的,从蒸馏塔的底部得到1,1,1,2,2-五氟乙基碘或氟化氢。

    Process for producing acid chlorides having polyfluoroalkyl groups
    39.
    发明授权
    Process for producing acid chlorides having polyfluoroalkyl groups 有权
    制备具有多氟烷基的酰氯的方法

    公开(公告)号:US06255524B1

    公开(公告)日:2001-07-03

    申请号:US09331785

    申请日:1999-06-25

    IPC分类号: C07C6963

    摘要: An acid chloride can be produced at a high yield from a primary alcohol having a polyfluoroalkyl group and one methylene group by (1) a method in which RfCH2OH (wherein Rf is a polyfluoroalkyl group) is reacted with chlorine to produce RfCOCl, (2) a method in which RfCHO is reacted with chlorine to produce RfCOCl, and (3) a method for producing an acid chloride comprising (a) a step in which an aldehyde (RfCHO) is formed from an alcohol (RfCH2OH), (b) a step in which a monochloroester (RfCOOCHClRf) is formed from the aldehyde and an acid chloride (RfCOCl), and (c) a step in which the acid chloride (RfCOCl) is formed from the monochloroester.

    摘要翻译: (1)RfCH 2 OH(其中Rf为多氟烷基)与氯反应生成RfCOCl的方法可以高产率地由具有多氟烷基和一个亚甲基的伯醇生产酰氯,(2) 其中RfCHO与氯反应生成RfCOCl的方法,和(3)生产酰氯的方法,包括(a)其中由醇形成醛(RfCHO)的步骤(RfCH 2 OH),(b) 从醛和酰氯(RfCOCl)形成单氯酸酯(RfCOOCHClRf)的步骤,和(c)由单氯酸酯形成酰氯(RfCOCl)的步骤。

    Processes for the preparation of perfluoroalkanes and iodine pentafluoride
    40.
    发明授权
    Processes for the preparation of perfluoroalkanes and iodine pentafluoride 有权
    制备全氟烷烃和五氟化碘的方法

    公开(公告)号:US06239319B1

    公开(公告)日:2001-05-29

    申请号:US09331423

    申请日:1999-08-23

    IPC分类号: C07C1720

    CPC分类号: C01B7/24 C07C17/204 C07C19/08

    摘要: The present invention provides a new industrial process for producing perfluoroalkanes in order to overcome the problems of processes for producing perfluoroalkanes in the prior art. The process of the present invention is a process for producing a perfluoroalkane corresponding to a general formula Rf-F (wherein Rf- is a perfluoroalkyl group represented by F(CF2)n— and n is an integer of 2 to 10) by contacting a perfluoroalkyl iodide with gaseous fluorine to cause a reaction therebetween, wherein the contact is made in the presence of the liquid compound which is at least one liquid which is substantially inert to the perfluoroalkyl iodide and gaseous fluorine under the condition of the process and which is selected from a perfluoro-compound, a chlorofluoro-compound, and hydrogen fluoride.

    摘要翻译: 本发明提供了用于生产全氟烷烃的新工业方法,以克服现有技术中生产全氟烷烃的方法的问题。 本发明的方法是通过使通式Rf-F(其中,Rf-为F(CF 2)n表示的全氟烷基,n为2〜10的整数)的全氟烷烃的制造方法, 全氟烷基碘与气态氟引起其间的反应,其中接触是在液体化合物存在下进行的,所述液体化合物是在该方法的条件下被选择的至少一种对全氟烷基碘和氟气基本上是惰性的液体 全氟化合物,氯氟化合物和氟化氢。