Process for preparing hydrofluoroethers
    1.
    发明授权
    Process for preparing hydrofluoroethers 有权
    制备氢氟醚的方法

    公开(公告)号:US07141704B2

    公开(公告)日:2006-11-28

    申请号:US10809868

    申请日:2004-03-26

    IPC分类号: C07C41/01

    摘要: Process for obtaining hydrofluoroethers of formula (I): A-(Rf)n0—CF(Rf1)—O—Rh  (I) wherein a mono- or bifunctional carbonyl compound of formula (IV): B—Rf—C(O)Rf1  (IV) is reacted with at least one equivalent of a fluoroformate of formula (III) R—OC(O)F  (III) in the presence of an ion fluoride compound (catalyst) and of a dipolar aprotic organic compound, liquid and inert under the reaction conditions.

    摘要翻译: 获得式(I)的氢氟醚的方法:<?in-line-formula description =“In-line Formulas”end =“lead”?> A-(R)f (I)<?in-line-formula description =“In-line Formulas”end =“tail”? >其中式(Ⅳ)的单官能或双官能羰基化合物:?在线式描述=“在线式”末端=“铅”→BR f C(O )将式(III)的式(III)的氟代甲酸酯与至少一当量的式(III)的氟甲酸酯反应, <?in-line-formula description =“In-line Formulas”end =“lead”?> R-OC(O)F(III)<?in-line-formula description =“In-line Formulas”end = 在催化剂和离子氟化物(催化剂)存在下,在反应条件下为液态惰性的偶极非质子有机化合物。

    Process for preparing acylfluorides
    2.
    发明授权
    Process for preparing acylfluorides 有权
    制备酰氟的方法

    公开(公告)号:US06998506B2

    公开(公告)日:2006-02-14

    申请号:US11002463

    申请日:2004-12-03

    IPC分类号: C07C51/58 C07C59/00 C07C55/36

    摘要: A process for preparing acylfluorides by reaction of carbonyl fluoride COF2 with compounds having general formula: T=CR1R2  (I) wherein: T is O or CF2 R1 and R2, equal or different, are F or a R(O)t radical, wherein R=linear or branched C1–C7 (per)fluoroalkyl, optionally containing one or more oxygen atoms, t is an integer equal to zero or 1; wherein a catalyst supported on porous compound is used, the catalyst being selected from: CsF, RbF, KF, AgF, each optionally in admixture with one or more of the others.

    摘要翻译: 通过使羰基氟化物COF 2与通常形式的化合物反应来制备酰氟的方法

    Process for preparing acylfluorides
    3.
    发明授权
    Process for preparing acylfluorides 有权
    制备酰氟的方法

    公开(公告)号:US06852884B2

    公开(公告)日:2005-02-08

    申请号:US10461349

    申请日:2003-06-16

    摘要: A process for preparing acylfluorides by reaction of carbonyl fluoride COF2 with compounds having general formula: T=CR1R2  (I) wherein: T is O or CF2 R1 and R2, equal or different, are F or a R(O)t radical, wherein R=linear or branched C1-C7 (per)fluoroalkyl, optionally containing one or more oxygen atoms, t is an integer equal to zero or 1; wherein a catalyst supported on porous compound is used, the catalyst being selected from: CsF, RbF, KF, AgF, each optionally in admixture with one or more of the others.

    摘要翻译: 通过使碳氟化物COF 2与具有以下通式的化合物反应来制备酰基氟的方法:其中:T是O或CF 2 R 1,R 2等同或不同,是F或R(O)t基团,其中R =直链或支链C1- 任选地含有一个或多个氧原子的C 7(全)氟代烷基,t是等于零或1的整数;其中使用负载在多孔化合物上的催化剂,所述催化剂选自:CsF,RbF,KF,AgF, 与其中一个或多个混合。

    Perfluorodiacylperoxides as polymerization initiators
    4.
    发明授权
    Perfluorodiacylperoxides as polymerization initiators 有权
    全氟二羰基过氧化物作为聚合引发剂

    公开(公告)号:US07135599B2

    公开(公告)日:2006-11-14

    申请号:US10832255

    申请日:2004-04-27

    IPC分类号: C07C409/00

    摘要: Perfluorodiacylperoxides having the following structures: wherein: when Rf is F, Rf′, Rf″ are both —CF3; when Rf is —CF3, Rf′, Rf″ are C1–C3 linear or branched perfluoro-oxyalkyl groups; said perfluorodiacylperoxides being such as to meet the following proviso: the thermal decomposition constants Kd (sec−1) in the presence of water do not undergo substantial variations with respect to the thermal decomposition constants in absence of water.

    摘要翻译: 具有以下结构的全氟二羰基过氧化物:其中:当R f是F时,R f',R f',R f'均为-CF 3 当R f为-CF 3时,R f',R f'为C 1 直链或支链全氟 - 烷氧基烷基; 所述全氟二羰基过氧化物满足以下条件:在水的存在下的热分解常数K(s-1)在相对于 不存在水分时的热分解常数。

    Perfluorodiacylperoxides as polymerization initiators
    5.
    发明授权
    Perfluorodiacylperoxides as polymerization initiators 有权
    全氟二羰基过氧化物作为聚合引发剂

    公开(公告)号:US06747109B2

    公开(公告)日:2004-06-08

    申请号:US10086844

    申请日:2002-03-04

    IPC分类号: C08F432

    摘要: Perfluorodiacylperoxides having the following structures: wherein: when Rf is F, Rf′, Rf″ are both —CF3; when Rf is —CF3, Rf′, Rf″, are C1-C3 linear or branched perfluorooxyalkyl groups; said perfluorodiacylperoxides being such as to meet the following proviso: the thermal decomposition constants Kd (sec−1) in the presence of water do not undergo substantial variations with respect to the thermal decomposition constants in absence of water.

    摘要翻译: 具有以下结构的全氟二羰基过氧化物:其中:当Rf为F时,Rf',Rf“均为-CF 3;当Rf为-CF 3时,Rf',Rf”为C1-C3直链或支链全氟氧烷基;所述全氟二羰基过氧化物为 例如满足以下条件:在存在水的情况下,热分解常数Kd(sec -1)在没有水的情况下相对于热分解常数不会发生实质变化。

    Fluorovinyl ethers and polymers obtainable therefrom
    6.
    发明授权
    Fluorovinyl ethers and polymers obtainable therefrom 有权
    氟乙烯基醚和可从其获得的聚合物

    公开(公告)号:US07534845B2

    公开(公告)日:2009-05-19

    申请号:US11641213

    申请日:2006-12-18

    申请人: Walter Navarrini

    发明人: Walter Navarrini

    IPC分类号: C08F16/24

    摘要: Fluorovinyl ethers having the formula CFX═CXOCF2OR, wherein R is a C2-C6 linear, branched or C5-C6 cyclic (per) fluoroalkyl group, or a C2-C6 linear, branched (per)fluoro oxyalkyl group containing from one to three oxygen atoms; when R is fluoroalkyl or fluorooxyalkyl group as above defined, it can contain from 1 to 2 atoms, equal or different, selected from the following: H, Cl, Br, I; X═F, H; and homopolymers or polymers obtainable polymerizing said Fluorovinyl ethers with at least another polymerizable monomer.

    摘要翻译: 具有式CFX-CXOCF2OR的氟乙烯基醚,其中R是含有一至三个氧的C 2 -C 6直链,支链或C5-C6环(全)氟代烷基或C2-C6直链,支链(全)氟氧烷基 原子 当R是如上所定义的氟代烷基或氟氧基烷基时,它可以含有1至2个等于或不同的选自下列的原子:H,Cl,Br,I; X-F,H; 和可以使至少另一种可聚合单体使所述氟乙烯基醚聚合的均聚物或聚合物。

    Fluoroelastomeric compositions
    7.
    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

    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。

    Process for preparing perfluoroalkenyl-sulfonyl fluorides

    公开(公告)号:US5103050A

    公开(公告)日:1992-04-07

    申请号:US515041

    申请日:1990-04-26

    IPC分类号: C07C303/02 C07C309/81

    CPC分类号: C07C303/02

    摘要: A continuous process for preparing perfluoroalkenyl sulfonyl fluorides (I)R.sub.f --CF.dbd.CF--SO.sub.2 F (I)wherein: R.sub.f is selected from the group consisting of F and a perfluoroalkyl radical of from 1 to 9 carbon atoms is disclosed, in which as the starting compound a sultone (II) ##STR1## is used. The starting compound is placed into contact with a reactant selected from the group consisting of oxides and carbonates of an element of the Groups IA, IIA and IIB, and of the oxides of an element of the Groups IIIA and IVA of the Periodic Table of the Elements, and their mixtures, at a temperature comprised within the range of from 150.degree. to 450.degree. C., and the compound (I) is recovered from the reaction effluent. and the compound (I) is recovered from the reaction effluent.

    Process for preparing perfluoroalkenyl-sulfonyl fluorides
    10.
    发明授权
    Process for preparing perfluoroalkenyl-sulfonyl fluorides 失效
    制备全氟烷基磺酰氟的方法

    公开(公告)号:US5103049A

    公开(公告)日:1992-04-07

    申请号:US515087

    申请日:1990-04-26

    IPC分类号: C07C303/22 C07C309/81

    CPC分类号: C07C303/22

    摘要: Process for the synthesis of perfluoroalkenyl-sulfonyl fluorides of formula:R.sub.f --CF.dbd.CF--SO.sub.2 Fwherein:R.sub.f is F or a perfluoroalkyl of from 1 to 9 carbon atoms, consisting in bringing a perfluoroalkyl-(sulfonyl fluoride) monofluoroacetyl-fluride of formula R.sub.f --CF.sub.2 --CF(COF)SO.sub.2 F into contact with a reactant constituted by a carbonate of a metal belonging to Groups IA, IIA and IIB of the Periodical Table of the Elements at a temperature comprised within the range of from 150.degree. to 400.degree. C., and then recovering the desired product.The process is run in continuous.