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92 条记录 (耗时 0.022 秒)

    Method for manufacturing perfluorovinylethers
    21.
    发明申请
    Method for manufacturing perfluorovinylethers 有权
    制造全氟乙烯基醚的方法

    公开(公告)号：US20130324769A1

    公开(公告)日：2013-12-05

    申请号：US13982288

    申请日：2012-02-02

    申请人： Stefano Millefanti ,  Vito Tortelli ,  Giuseppe Marchionni ,  Stefania Albonetti ,  Manuel Gregori ,  Giuseppe Fornasari

    发明人： Stefano Millefanti ,  Vito Tortelli ,  Giuseppe Marchionni ,  Stefania Albonetti ,  Manuel Gregori ,  Giuseppe Fornasari

    IPC分类号： C07C41/24

    CPC分类号： C07C41/24 ,  C07C43/17

    摘要： The invention pertains to a process for the manufacture of a perfluorovinylether by hydrodehalogenation of a halofluoroether (HFE) having general formula (I-A) or (I-B): RfO—CRf′X—CRf″Rf′″X″  (I-A) wherein Rf represents a C1-C6 perfluoro(oxy)alkyl group; Rf′, Rf″ and Rf′″, equal or different from each other, independently represent fluorine atoms or C1-C5 perfluoro(oxy)alkyl groups; X and X′, equal or different from each other, are independently chosen among Cl, Br or I; wherein Rf* and Rf*′, equal or different from each other, independently represent fluorine atoms or C1-C3 perfluoro(oxy)alkyl groups; Y1 and Y2, equal or different from each other, independently represent fluorine atoms or C1-C3 perfluoroalkyl groups; X and X′ are as above defined; said process comprising contacting said halofluoroether (HFE) with hydrogen in the presence of a catalyst comprising palladium and at least one transition metal (M) selected from the group consisting of the metals of group VIIIB, other than palladium, and of group IB.

    摘要翻译： 本发明涉及通过具有通式（IA）或（IB）的卤代氟醚（HFE）的加氢脱卤制备全氟乙烯基醚的方法：RfO-CRf'X-CRf''Rf“X”（IA） 其中Rf表示C1-C6全氟（氧）烷基; Rf'，Rf“和Rf”'彼此相同或不同，独立地表示氟原子或C1-C5全氟（氧）烷基; X和X'彼此相同或不同，独立地选自Cl，Br或I; 其中Rf *和Rf *'彼此相同或不同，独立地表示氟原子或C1-C3全氟（氧）烷基; Y1和Y2彼此相同或不同，独立地表示氟原子或C1-C3全氟烷基; X和X'如上所定义; 所述方法包括在催化剂存在下使所述卤代氟醚（HFE）与氢接触，所述催化剂包含钯和至少一种选自除钯以外的第VIIIB族金属和IB族的过渡金属（M）。

    Process for the synthesis of perfluorobutadiene
    22.
    发明授权
    Process for the synthesis of perfluorobutadiene 有权
    全氟丁二烯合成方法

    公开(公告)号：US08536387B2

    公开(公告)日：2013-09-17

    申请号：US12808410

    申请日：2008-12-24

    申请人： Vito Tortelli ,  Stefano Millefanti ,  Serena Carella

    发明人： Vito Tortelli ,  Stefano Millefanti ,  Serena Carella

    IPC分类号： C07C17/23

    CPC分类号： C07C21/20 ,  C07C17/04 ,  C07C17/23 ,  C07C17/25 ,  C07C17/281 ,  Y02P20/582 ,  C07C19/10

    摘要： Process for preparing perfluoro-1,3-butadiene, comprising the following steps: A) preparation of fluoro-halo-butanes of formula: CF2YI—CFYII—CFYII—CF2YI  (V) in which YI and YII, which may be identical or different, may be H, Cl or Br, with the condition that YI and YII are not simultaneously hydrogen; starting with a chloroolefin having the formula: CY″Y═CY′Cl  (II) in which Y, Y′, Y″, which may be identical or different, are H, Cl or Br, with the condition that Y, Y′, Y″ are not simultaneously hydrogen; and performing the following steps: a fluorodimerization, and a fluorination with elemental fluorine, the order of the two steps also possibly being inverted, a dehalogenation or dehydrohalogenation step being performed between the two steps, B) dehalogenation or dehydrohalogenation of the fluoro-halo compounds of formula (V) to give the compound perfluoro-1,3-butadiene.

    摘要翻译： 制备全氟-1,3-丁二烯的方法，包括以下步骤：A）制备式：CF 2 YI-CFYII-CFYII-CF 2 Y（V）的氟 - 卤代丁烷，其中YI和YII可以相同或不同 可以是H，Cl或Br，条件是YI和YII不同时为氢; 以具有下式的氯代烯烃开始：CY'Y = CY'Cl（II）其中Y，Y'，Y“可以相同或不同，为H，Cl或Br，条件是Y， Y'，Y“不同时为氢; 并进行以下步骤：氟代二聚和氟元素氟化，两个步骤的顺序也可能反转，在两个步骤之间进行脱卤或脱卤化氢步骤，B）氟 - 卤素化合物的脱卤或脱卤化氢 的式（V）化合物，得到化合物全氟-1,3-丁二烯。

    Method for manufacturing fluoropolymers
    26.
    发明授权
    Method for manufacturing fluoropolymers 有权
    氟聚合物的制造方法

    公开(公告)号：US08703889B2

    公开(公告)日：2014-04-22

    申请号：US13002781

    申请日：2009-07-06

    申请人： Giuseppe Marchionni ,  Vito Tortelli ,  Ivan Wlassics ,  Valeri Kapeliouchko

    发明人： Giuseppe Marchionni ,  Vito Tortelli ,  Ivan Wlassics ,  Valeri Kapeliouchko

    IPC分类号： C08F14/26

    CPC分类号： C07D317/34 ,  C07D317/42 ,  C08F14/18 ,  C08F114/26 ,  C08F2/24

    摘要： A method for making a fluoropolymer comprising an aqueous emulsion polymerization of one or more fluorinated monomers wherein the aqueous emulsion polymerization is carried out in the presence of at least one cyclic fluorocompound of the following formula (I): wherein X1, X2, X3, equal to or different from each other are independently selected among H, F, and C1-6 (per)fluoroalkyl groups, optionally comprising one or more catenary or non-catenary oxygen atoms; L represents a bond or a divalent group; RF is a divalent fluorinated C1-3 bridging group; Y is a hydrophilic function selected among anionic functionalities, cationic functionalities and non-ionic functionalities.

    摘要翻译： 一种制备含氟聚合物的方法，其包含一种或多种氟化单体的水乳液聚合，其中所述水乳液聚合在至少一种下式（I）的环状氟化合物的存在下进行：其中X1，X2，X3等于 彼此独立地选自H，F和C 1-6（全）氟烷基，任选地包含一个或多个悬链或非链状氧原子; L表示键或二价基团; RF是二价氟化C1-3桥联基团; Y是选自阴离子官能团，阳离子官能团和非离子官能团的亲水性功能。

    Addition reaction to fluoroallylfluorosulfate
    27.
    发明申请
    Addition reaction to fluoroallylfluorosulfate 有权
    氟代氟代硫酸盐的加成反应

    公开(公告)号：US20100273968A1

    公开(公告)日：2010-10-28

    申请号：US12745869

    申请日：2008-12-17

    申请人： Giuseppe Marchionni ,  Vito Tortelli

    发明人： Giuseppe Marchionni ,  Vito Tortelli

    IPC分类号： C08F16/24 ,  C07C41/00 ,  C07D317/08

    CPC分类号： C07D317/42 ,  C07C41/24 ,  C07C51/58 ,  C07C303/24 ,  C08F214/18 ,  C08F259/08 ,  C07C59/135 ,  C07C305/26 ,  C07C43/126

    摘要： The invention pertains to a process for preparing compounds of formula (I-A) or (I-B) here below: by reaction of perfluoroallylfluorosulfate (FAFS) of formula (II): with at least one hypofluorite of formula (II-A) or (II-B): wherein: RF in formulae (I-A) and (II-A) is a monovalent fluorocarbon C1-C20 group, optionally comprising oxygen catenary atoms, optionally comprising functional groups comprising heteroatoms (e.g. —SO2F groups); R′F in formulae (I-B) and (II-B) is a divalent fluorocarbon C1-C6 group, preferably a group of formula wherein X1 and X2, equal to or different from each other, are independently a fluorine atom or a C1-C3 fluorocarbon group. The FAFS-hypofluorite adducts of formulae (I-A) and (I-B) can be produced with high selectivity so as to access useful intermediates which can further be reacted taking advantage of the un-modified fluorosulfate group chemistry.

    摘要翻译： 本发明涉及如下制备式（IA）或（IB）化合物的方法：通过式（II）的全氟代氟代硫酸盐（FAFS）与至少一种式（II-A）的次氟酸盐或（II- B）：其中：式（IA）和（II-A）中的RF是任选包含氧连接原子的任选包含杂原子的官能团（例如-SO 2 F基团）的单价碳氟化合物C1-C20基团; 式（IB）和（II-B）中的R'F是二价碳氟化合物C1-C6基团，优选下式的基团：其中X1和X2彼此相同或不同，分别为氟原子或C1- C3碳氟化合物。 可以高选择性地制备式（I-A）和（I-B）的FAFS-次氟化物加合物，以便获得可利用未改性的氟硫酸盐基团化学进一步反应的有用的中间体。

    Fluoroelastomeric compositions
    28.
    发明授权
    Fluoroelastomeric compositions 失效
    氟弹性组合物

    公开(公告)号：US5902857A

    公开(公告)日：1999-05-11

    申请号：US733938

    申请日：1996-10-18

    申请人： Ivan Wlassics ,  Vito Tortelli ,  Walter Navarrini ,  Margherita Albano

    发明人： Ivan Wlassics ,  Vito Tortelli ,  Walter Navarrini ,  Margherita Albano

    IPC分类号： C09K3/10 ,  C08F8/00 ,  C08K5/00 ,  C08K5/01 ,  C08K5/02 ,  C08K5/04 ,  C08K5/14 ,  C08K5/49 ,  C08K5/54 ,  C08K5/56 ,  C08K5/57 ,  C08L27/12

    CPC分类号： C08K5/54 ,  C08K5/0025 ,  C08K5/14 ,  C08K5/57

    摘要： Curing systems for fluoroelastomers curable by peroxidic route which comprise bromine, optionally iodine, the bromine always being higher than iodine, comprising as essential elements:(I) a curing agent comprising a bis-olefin having general formula: ##STR1## wherein: R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, equal to or different from each other, are H or alkyl C.sub.1 -C.sub.5 ; Z is a linear or branched alkylenic or cycloalkylenic radical C.sub.1 -C.sub.18, optionally containing oxygen atoms, or a (per)fluoropolyoxyalkylenic radical.(II) a metallorganic hydride of formula: ##STR2## wherein: M is selected from Sn, Si, Ge, Pb; x is an integer from 1 to 3; y, z are zero or integers from 1 to 3, with the proviso y+z=4-x; w is an integer from 1 to 3; the R groups, equal to or different from each other, are selected from: alkyls C.sub.1 -C.sub.4, aryls C.sub.6 -C.sub.12, arylalkyls and alkylaryls C.sub.7 -C.sub.14, optionally containing nitrile and/or hydroxyl groups.

    摘要翻译： 包含溴，任选碘，总是高于碘的溴可以固化的含氟弹性体的固化体系包含作为必需元素：（I）包含具有以下通式的双烯烃的固化剂：其中：R1，R2，R3 相同或不同的R 4，R 5，R 6为H或C 1 -C 5烷基; Z是任选含有氧原子的直链或支链亚烷基或环烷基C1-C18，或（全）氟聚氧亚烷基。 （II）下式的金属有机氢化物：其中：M选自Sn，Si，Ge，Pb; x是1至3的整数; y，z为零或1至3的整数，条件是y + z = 4-x; w为1〜3的整数; R基彼此相同或不同，选自烷基C1-C4，芳基C6-C12，芳基烷基和烷基芳基C7-C14，任选地含有腈和/或羟基。