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92 条记录 (耗时 0.022 秒)

    Dehalogenation process
    41.
    发明申请
    Dehalogenation process 有权
    脱卤过程

    公开(公告)号：US20060252968A1

    公开(公告)日：2006-11-09

    申请号：US11417159

    申请日：2006-05-04

    申请人： Ivan Wlassics ,  Vito Tortelli

    发明人： Ivan Wlassics ,  Vito Tortelli

    IPC分类号： C07C41/24

    CPC分类号： C07C17/23 ,  C07C41/24 ,  C07C41/48 ,  C07C43/17 ,  C07D317/42 ,  C07C21/20 ,  C07C43/313

    摘要： A process for obtaining vinyl compounds by dehalogenation of halofluorinated compounds having a linear, branched or cyclic structure, said halofluorinated compounds containing in the molecule at least one group: wherein Y1 and Y2, equal to or different from each other, are selected from Cl, Br, I; wherein the halofluorinated compounds are dehalogenated in the presence of a transition metal, or of transition metal couples, by operating in a biphasic system of solvents immiscible among each other, formed of a (per)fluorinated solvent and a dipolar aprotic or protic solvent (co-solvent), wherein the ratio moles co-solvent/equivalents of the halofluorinated compound ranges from 0.5 to 10, preferably from 0.5 to 5, still more preferably from 1 to 3.

    摘要翻译： 一种通过使具有直链，支链或环状结构的卤代氟化化合物脱卤获得乙烯基化合物的方法，所述卤代氟化物在分子中含有至少一个基团：其中Y 1和Y 2， 彼此相同或不同，选自Cl，Br，I; 其中所述卤代氟化合物在过渡金属或过渡金属偶存在下通过在彼此不混溶的溶剂的双相体系中操作而脱卤，由（一个）氟化溶剂和偶极非质子或质子溶剂（共 - 溶剂），其中所述卤化氟化合物的共溶剂/当量的摩尔比为0.5至10，优选0.5至5，还更优选1至3。

    Sulphonic fluorinated ionomers
    42.
    发明授权
    Sulphonic fluorinated ionomers 失效
    磺化氟化离聚物

    公开(公告)号：US06979699B2

    公开(公告)日：2005-12-27

    申请号：US10768690

    申请日：2004-02-02

    申请人： Ivan Wlassics ,  Vito Tortelli

    发明人： Ivan Wlassics ,  Vito Tortelli

    IPC分类号： C08J5/18 ,  C08F8/18 ,  C08F214/26 ,  C08J5/20 ,  C08J5/22 ,  C08J9/42 ,  H01B1/06 ,  H01M8/02

    CPC分类号： H01M8/1053 ,  C08F8/18 ,  C08F214/26 ,  C08F214/265 ,  C08J5/2237 ,  C08J2327/18 ,  H01M8/1023 ,  H01M8/1025 ,  H01M8/1039 ,  H01M8/106 ,  H01M8/1072 ,  H01M8/1088 ,  H01M2300/0082 ,  Y02P70/56

    摘要： Sulphonic fluorinated ionomers crosslinked by radical crosslinking of: A) crosslinkable sulphonic fluorinated ionomers, having equivalent weight 380-1300 g/eq and comprising: from 48% to 85% by moles of monomeric units deriving from tetrafluoroethylene (TFE); from 15% to 47% by moles of fluorinated monomeric units containing sulphonyl groups —SO2F; from 0.01% to 5% by moles of monomeric units deriving from a bis-olefin of formula: wherein: m=2-10, preferably 4-8; R1, R2, R5, R6, equal to or different from each other, are H or C1-C5 alkyl groups; B) a fluorinated compound as crosslinking radical initiator; C) a fluorinated bis-olefin of structure (I) as crosslinking agent; the radical crosslinking being carried out at a temperature in the range 250° C.-310° C., preferably 260° C.-300° C.

    摘要翻译： 通过自由基交联交联的磺化氟化离聚物：A）具有当量重量380-1300g / eq的可交联磺化氟化离聚物，并且包含：衍生自四氟乙烯（TFE）的48％至85％摩尔的单体单元; 含有磺酰基-SO 2 F的氟化单体单元的15％至47％ 衍生自下式的双烯烃的单体单元的0.01％至5％摩尔：其中：m = 2-10，优选4-8; R 1，R 2，R 5，R 6，彼此相同或不同，为H 或C 1 -C 5烷基; B）作为交联自由基引发剂的氟化化合物; C）结构（I）的氟化双烯烃作为交联剂; 自由基交联在250℃-310℃，优选260℃-300℃的温度下进行。

    Peroxide curable fluoroelastomers particularly suitable for manufacturing O-rings
    44.
    发明授权
    Peroxide curable fluoroelastomers particularly suitable for manufacturing O-rings 失效
    过氧化物可固化的含氟弹性体特别适用于制造O型圈

    公开(公告)号：US06566471B1

    公开(公告)日：2003-05-20

    申请号：US08879319

    申请日：1997-06-19

    申请人： Vincenzo Arcella ,  Giulio Brinati ,  Margherita Albano ,  Vito Tortelli

    发明人： Vincenzo Arcella ,  Giulio Brinati ,  Margherita Albano ,  Vito Tortelli

    IPC分类号： C08F21612

    CPC分类号： C08F214/18 ,  C07C17/25 ,  C07C17/275 ,  C07C21/17 ,  C07C19/07

    摘要： New fluoroelastomers are described, having iodine atoms in terminal position and monomeric units in the chain deriving from an iodinated olefin of formula: CHR═CH—Z—CH2CHR—I  (I) wherein: R is —H or —CH3; Z is a (per)fluoroalkylene radical C1-C18, linear or branched, optionally containing one or more ether oxygen atoms, or a (per)fluoropolyoxyalkylene radical. These products, upon peroxide curing, require extremely short post-curing treatments (around 30-60 minutes at 180°-230° C.) and are characterized by compression set values lower than 25% (measured on O-rings at 200° C. for 70 hours according to ASTM Standard D395 Method B).

    摘要翻译： 描述了新的含氟弹性体，其末端具有碘原子，并且衍生自下式的碘化烯烃的链中的单体单元：其中：R是-H或-CH 3; Z是直链或支链（任选地含有一个或多个醚氧原子）或（全）氟聚氧亚烷基的（全）氟亚烷基C1-C18。 过氧化物固化时，这些产品需要非常短的后固化处理（在180°-230℃下约30-60分钟），其特征在于压缩永久变形值低于25％（在200℃的O形环上测量） 根据ASTM标准D395方法B）70小时。

    Process for preparing dichlorofluoroacetyl halides
    45.
    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。

    Floorinated polymers and copolymers containing cyclic structures
    46.
    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。