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    Process for preparing dichlorofluoroacetyl halides
    5.
    发明授权
    Process for preparing dichlorofluoroacetyl halides 失效
    制备二氯氟乙酰卤的方法

    公开(公告)号：US6166252A

    公开(公告)日：2000-12-26

    申请号：US226121

    申请日：1999-01-07

    申请人： Piero Gavezotti ,  Julio A. Abusleme ,  Vito Tortelli

    发明人： Piero Gavezotti ,  Julio A. Abusleme ,  Vito Tortelli

    IPC分类号： B01J23/26 ,  C07B61/00 ,  C07C51/58 ,  C07C51/60 ,  C07C51/62 ,  C07C51/64 ,  C07C55/40 ,  C07C53/21

    CPC分类号： C07C51/60 ,  C07C51/62 ,  Y02P20/582 ,  C07C53/48

    摘要： Process for preparing dichlorofluoroacetylfluoride (CFCl.sub.2 COF) comprising the following steps:a) fluorination with hydrofluoric acid (HF) of the trichloroacetyl halide in a fixed or fluidized tubular bed reactor, filled with fluorination catalysts and having a temperature profile between the inlet of the reactants and the outlet of the reaction products, in the range from 175.degree. C. to 275.degree. C.b) distillation of the reaction products with trichloroacetylfluoride recycle and recovery of a mixture formed by HF and CFCl.sub.2 COF;c) separation of the HF/CFCl.sub.2 COF mixture components by cooling at temperatures lower than -10.degree. C., and optionally the HF recycle.

    摘要翻译： 制备二氯氟乙酰氟（CFCl2COF）的方法包括以下步骤：a）在固定或流化的管式床反应器中用三氟乙酰卤的氢氟酸（HF）氟化，填充氟化催化剂，并且在反应物入口和 反应产物的出口在175℃至275℃的范围内。b）用三氯乙酰氟循环蒸馏反应产物并回收由HF和CFCl 2 COF形成的混合物; c）通过在低于-10℃的温度下冷却并任选地HF再循环来分离HF / CFCl 2 COF混合物组分。

    Fluoroelastomeric compositions
    6.
    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。

    Floorinated polymers and copolymers containing cyclic structures
    7.
    发明授权
    Floorinated polymers and copolymers containing cyclic structures 失效
    含有环状结构的地板聚合物和共聚物

    公开(公告)号：US5710345A

    公开(公告)日：1998-01-20

    申请号：US749504

    申请日：1996-11-15

    申请人： Walter Navarrini ,  Vito Tortelli ,  Alessandro Zedda

    发明人： Walter Navarrini ,  Vito Tortelli ,  Alessandro Zedda

    IPC分类号： C08F214/18 ,  C07C41/00 ,  C07C43/16 ,  C07C43/313 ,  C08F14/18 ,  C08F16/14 ,  C08F16/24 ,  C08F16/32 ,  C08F24/00 ,  C08F34/00 ,  C08F216/12 ,  C08F216/14 ,  C08F224/00 ,  C08F234/02 ,  C09D137/00 ,  C07C43/03

    CPC分类号： C08F16/32 ,  C07C43/313

    摘要： Polymers and copolymers of one or more fluorinated dienes of structure CFX.sup.1 .dbd.CX.sup.2 --O--CX.sup.3 X.sup.4 --O--CX.sup.2 .dbd.CX.sup.1 F, wherein X.sup.1 and X.sup.2 are F, Cl or H, and X.sup.3 and X.sup.4 are F or CF.sub.3, wherein said dienes essentially form cyclic repetitive units, the comonomers used for preparing copolymers being ethylene unsaturated fluorinated compounds. Processes for preparing the fluorinated dienes having said structure which comprise the reaction in solution between one halogenated olefin and one hypofluorite CX.sup.3 X.sup.4 (OF).sub.2, wherein X.sup.3 and X.sup.4 are F or CF.sub.3, and the dehalogenation or dehydrohalogenation of the linear adduct between one hypofluorite molecule and two olefin molecules. The polymers and copolymers of the invention are particularly suitable for preparing coatings for applications at high temperatures.

    摘要翻译： 结构CFX1 = CX2-O-CX3X4-O-CX2 = CX1F的一种或多种氟化二烯的聚合物和共聚物，其中X 1和X 2是F，Cl或H，且X 3和X 4是F或CF 3，其中所述二烯基本上形成 用于制备共聚物的共聚单体是乙烯不饱和氟化化合物。 用于制备具有所述结构的氟化二烯的方法，其包含在一种卤代烯烃和一种次氟酸盐CX3X4（OF）2之间的溶液中的反应，其中X 3和X 4是F或CF 3，并且一个次氟酸盐分子之间的线性加合物的脱卤或脱卤化氢 和两个烯烃分子。 本发明的聚合物和共聚物特别适用于制备高温应用的涂料。

    Fluorinated polymers and copolymers containing cyclic structures
    9.
    发明授权
    Fluorinated polymers and copolymers containing cyclic structures 失效
    含有环状结构的氟化聚合物和共聚物

    公开(公告)号：US5589557A

    公开(公告)日：1996-12-31

    申请号：US441197

    申请日：1995-05-15

    申请人： Walter Navarrini ,  Vito Tortelli ,  Alessandro Zedda

    发明人： Walter Navarrini ,  Vito Tortelli ,  Alessandro Zedda

    IPC分类号： C08F214/18 ,  C07C41/00 ,  C07C43/16 ,  C07C43/313 ,  C08F14/18 ,  C08F16/14 ,  C08F16/24 ,  C08F16/32 ,  C08F24/00 ,  C08F34/00 ,  C08F216/12 ,  C08F216/14 ,  C08F224/00 ,  C08F234/02 ,  C09D137/00

    CPC分类号： C08F16/32 ,  C07C43/313

    摘要： Polymers and copolymers of one or more fluorinated dienes of structure CFX.sup.1 .dbd.CX.sup.2 --O--CX.sup.3 X.sup.4 --O--CX.sup.2 .dbd.CX.sup.1 F, wherein X.sup.1 and X.sup.2 are F, Cl or H, and X.sup.3 and X.sup.4 are F or CF.sub.3, wherein said dienes essentially form cyclic repetitive units, the comonomers used for preparing copolymers being ethylene unsaturated fluorinated compounds.Processes for preparing the fluorinated dienes having said structure which comprise the reaction in solution between one halogenated olefin and one hypofluorite CX.sup.3 X.sup.4 (OF).sub.2, wherein X.sup.3 and X.sup.4 are F or CF.sub.3, and the dehalogenation or dehydrohalogenation of the linear adduct between one hypofluorite molecule and two olefin molecules. The polymers and copolymers of the invention are particularly suitable for preparing coatings for applications at high temperatures.

    摘要翻译： 结构CFX1 = CX2-O-CX3X4-O-CX2 = CX1F的一种或多种氟化二烯的聚合物和共聚物，其中X 1和X 2是F，Cl或H，且X 3和X 4是F或CF 3，其中所述二烯基本上形成 用于制备共聚物的共聚单体是乙烯不饱和氟化化合物。 用于制备具有所述结构的氟化二烯的方法，其包含在一种卤代烯烃和一种次氟酸盐CX3X4（OF）2之间的溶液中的反应，其中X 3和X 4是F或CF 3，并且一个次氟酸盐分子之间的线性加合物的脱卤或脱卤化氢 和两个烯烃分子。 本发明的聚合物和共聚物特别适用于制备高温应用的涂料。

    Method for manufacturing perfluorovinylethers
    10.
    发明授权
    Method for manufacturing perfluorovinylethers 有权

    公开(公告)号：US09868684B2

    公开(公告)日：2018-01-16

    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.