Floorinated polymers and copolymers containing cyclic structures
    1.
    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

    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
    2.
    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

    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。

    Fluoroelastomeric compositions
    3.
    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。

    Fluorovinyl ethers and polymers obtainable therefrom
    9.
    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。

    Process for preparing hydrofluoroethers
    10.
    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。