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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
CPC分类号: C08F216/1408 , C08F14/18 , C08F214/262 , C08F2/22
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。
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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
CPC分类号: C07C41/01 , C07C41/48 , C07C41/50 , C08G65/007 , C08G65/3322 , C08G65/337 , Y02P20/584 , C07C43/126 , C07C43/17 , C07C43/12 , C07C43/315
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。
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公开(公告)号:US5902857A
公开(公告)日:1999-05-11
申请号:US733938
申请日:1996-10-18
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。
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公开(公告)号:US5245054A
公开(公告)日:1993-09-14
申请号:US831162
申请日:1992-02-05
IPC分类号: B01J23/06 , C07B61/00 , C07D317/42
CPC分类号: C07D317/42
摘要: A process for the dehalogenation of 1,3-dioxolanes of formula: ##STR1## wherein X.sub.1 and X.sub.3, like or different from each other, are Cl or Br, X.sub.2 and X.sub.4, like or different from each other, are F or H. Said process consists in contacting the dioxolane of formula (I) with metallic zinc at a temperature ranging from +30.degree. to 130.degree. C. The corresponding dioxoles are obtained.
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公开(公告)号:US5103050A
公开(公告)日:1992-04-07
申请号:US515041
申请日:1990-04-26
申请人: Walter Navarrini , Silvana Modena
发明人: Walter Navarrini , Silvana Modena
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.
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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.
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公开(公告)号:US07321062B2
公开(公告)日:2008-01-22
申请号:US10753548
申请日:2004-01-09
申请人: Giovanni Fontana , Walter Navarrini
发明人: Giovanni Fontana , Walter Navarrini
CPC分类号: C08G65/007 , C07C51/62 , C07C59/135
摘要: A process for the synthesis of (per)fluorinated mono-functional carbonyl compounds having the following formula: F—A—(RF)t—B—C(O)X1 (I) wherein: X1=F, CF3; t=0, 1; A, B equal to or different from each other, are independently C1-C5 (per)fluoroalkylene groups or C1-C5 (per)fluorooxy-alkylene groups; RF is —Rf1—, C1-C20 perfluoroalkylene, —ORf1O—; or —ORf2—, wherein Rf2 is a perfluorooxyalkylene chain; wherein the carbonyl groups of a (per)fluorinated di-functional carbonyl compound of formula (III): X2(O)C—A—(RF)t—B—C(O)X1 (III) wherein: X1, RF, t, A and B have the above meanings; X2, equal to or different from X1, has the same meanings as X1; are partially fluorinated with elemental fluorine in the presence of a catalyst having formula MeFy.zHF, Me being an alkaline or alkaline-earth metal or Ag, y=1 or 2, z an integer from 0 to 4, carrying out said reaction at a temperature higher than a temperature such that it leads to the formation of C(O)FX2.
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公开(公告)号:US07135599B2
公开(公告)日:2006-11-14
申请号:US10832255
申请日:2004-04-27
申请人: Walter Navarrini , Marco Galimberti
发明人: Walter Navarrini , Marco Galimberti
IPC分类号: C07C409/00
CPC分类号: C08F4/34 , C07C409/34 , C07C2601/04 , C07D317/32 , C07D317/42
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 SUB> 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。
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公开(公告)号:US07081440B2
公开(公告)日:2006-07-25
申请号:US10417135
申请日:2003-04-17
申请人: Walter Navarrini , Patrizia Maccone
发明人: Walter Navarrini , Patrizia Maccone
IPC分类号: C10M131/10 , C10M133/32 , C10M147/00
CPC分类号: C08G65/007 , C08G65/33386 , C10M147/04 , C10M169/041 , C10M2211/063 , C10M2213/04 , C10N2220/021 , C10N2230/08 , C10N2230/10
摘要: Use as stabilizers of perfluoropolyether oils at high temperatures, higher than 200° C., of compounds not containing phosphor and having the general formula (A):
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公开(公告)号:US20050192420A1
公开(公告)日:2005-09-01
申请号:US11115173
申请日:2005-04-27
申请人: Walter Navarrini
发明人: Walter Navarrini
IPC分类号: C08F16/24 , C08F216/14 , C07C43/02 , C07C43/18
CPC分类号: C08F216/1416
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-CXOCF 2 OR的氟乙烯基醚,其中R是C 2 -C 6直链,支链或C 5 (全)氟代烷基或C 2 -C 6 -C 6直链,支链(全)氟烷基(C 1 -C 6) 含1至3个氧原子的基团; 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。
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