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92 条记录 (耗时 0.021 秒)

    Method for manufacturing perfluorovinylethers
    11.
    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）。

    Method for manufacturing fluoropolymers
    12.
    发明申请
    Method for manufacturing fluoropolymers 有权
    氟聚合物的制造方法

    公开(公告)号：US20110160415A1

    公开(公告)日：2011-06-30

    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 ,  C07D317/42

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

    摘要： The invention pertains to a method for making a fluoropolymer comprising an aqueous emulsion polymerization of one or more fluorinated monomers wherein said 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 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： 本发明涉及一种制备含氟聚合物的方法，该方法包括一种或多种含氟单体的水乳液聚合，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 各自独立地选自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的X 3相同或不同。 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。

    Process for preparing fluorohalogenethers
    16.
    发明申请
    Process for preparing fluorohalogenethers 有权

    公开(公告)号：US20070149827A1

    公开(公告)日：2007-06-28

    申请号：US11634145

    申请日：2006-12-06

    申请人： Vito Tortelli ,  Pierangelo Calini ,  Alberto Zompatori ,  Emanuela Antenucci

    发明人： Vito Tortelli ,  Pierangelo Calini ,  Alberto Zompatori ,  Emanuela Antenucci

    IPC分类号： C07C41/22

    CPC分类号： C07C41/06 ,  C07C41/22 ,  C07C41/24 ,  C07C43/123 ,  C07C43/17

    摘要： A process for preparing fluorovinylethers having general formula: RfO—CF═CF2   (IA) wherein Rf is a fluorinated or perfluorinated alkyl or cycloalkyl substituent; comprising the following reaction steps: 1) reaction of a hypofluorite of formula RfOF, wherein Rf is as above, with an olefin of formula: CY″Y═CY′CI   (II) wherein Y, Y′ and Y″, equal to or different from each other, are H, Cl, Br, with the proviso that Y, Y′ and Y″ are not contemporaneously hydrogen; 2) dehalogenation or dehydrohalogenation of the fluorohalogenethers obtained in step 1) and obtainment of vinyl ethers of formula: RfO—CYI═CYIIF   (IV) wherein YI and YII, equal to or different from each other, have the meaning of H, Cl, Br with the proviso that YI and YII are not both H; 3) fluorination with fluorine of the vinyl ethers (IV) and obtainment of fluorohalogenethers of formula: RfO—CFYI—CF2YII   (I) wherein YI, YII, equal to or different from each other, are Cl, Br, H with the proviso that YI and YII cannot be contemporaneously equal to H; 4) dehalogenation or dehydrohalogenation of the fluorohalogenethers (I) and obtainment of the fluorovinylethers (IA).

    Process for preparing fluorohalogenethers
    17.
    发明申请
    Process for preparing fluorohalogenethers 有权
    制备氟卤醚的方法

    公开(公告)号：US20050171388A1

    公开(公告)日：2005-08-04

    申请号：US11044022

    申请日：2005-01-28

    申请人： Vito Tortelli ,  Stefano Millefanti ,  Pierangelo Calini

    发明人： Vito Tortelli ,  Stefano Millefanti ,  Pierangelo Calini

    IPC分类号： C07C41/18 ,  C07C41/05 ,  C07C41/24 ,  C07C41/48 ,  C07C43/12 ,  C07C43/17 ,  C07C43/313 ,  C07C43/315 ,  C07C41/16

    CPC分类号： C07C41/48 ,  C07C43/313 ,  C07C43/315

    摘要： A process for preparing (per)fluorohalogenethers having general formula: wherein: A and A′, equal to or different from each other, are selected among Cl, Br and H; m=1, 2; n=0, 1; R′ is a C1-C3 (per)fluoroalkyl substituent; R is a (per)fluoropolyether substituent; z and z′ are 1 or zero, X1=F, CF3; by reaction of carbonyl compounds having formula: (R′)n—C(O)(F)q(CF2ORI)   (II) wherein: R′ and n are as above; q=0, 1; RI is a (per)fluoro-polyether substituent; in liquid phase, with elemental fluorine and with olefinic compounds of formula: CAF=CA′F2   (III) wherein A and A′ are as above, at temperatures from −120° C. to −20° C., preferably from −100° C. to −40° C.

    摘要翻译： 制备具有以下通式的（全）氟卤醚的方法：其中：A和A'彼此相同或不同，选自Cl，Br和H; m = 1,2; n = 0,1; R'是C 1 -C 3 -C 3（全）氟烷基取代基; R是一个（全）氟聚醚取代基; z和z'为1或0，X 1 = F，CF 3 3; 通过具有下式的羰基化合物的反应：<？in-line-formula description =“In-line formula”end =“lead”→（R'）n -C（O）（F） （II）（II）<？in-line-formula description =“In-line Formulas”end =“tail 其中：R'和n如上所述; q = 0,1; R 1是（全）氟 - 聚醚取代基; 在液相中使用元素氟和具有下式的烯属化合物：<？in-line-formula description =“In-line Formulas”end =“lead”？> CAF = CA'F 2 III）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中A和A'如上所述，在-120℃至-20℃的温度下，优选地 -100°C至-40°C

    Fluoroelastomeric compositions
    18.
    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。