Perfluoropolyether acylperoxides and process for their preparation
    21.
    发明公开
    Perfluoropolyether acylperoxides and process for their preparation 有权
    全氟聚醚acylperoxides及其制备方法

    公开(公告)号:EP0970984A3

    公开(公告)日:2001-04-11

    申请号:EP99111117.0

    申请日:1999-06-08

    申请人: Ausimont S.p.A.

    CPC分类号: C08G65/324 C08G65/007

    摘要: Perfluoroether acylperoxides having an average equivalent weight in the range 350-5000, and the following formulas:Y'-(CF 2 -CF(CF 3 )O) m -(CX'FO) n -CF 2 CO-O-O-CO-CF 2 -(OCX'F) n - (OCF(CF 3 )-CF2) m -Y' wherein Y' = Cl, ORf wherein Rf is a C1-C3 perfluoroalkyl; m, n are integers such that (I) gives the mentioned EW, m/n ≥ 40; X' = F, CF3; T-CF 2 -O-[(CF 2 CF 2 O) p -(CF 2 O) q -CF 2 -CO-O-O-CO-CF 2 (OCF 2 ) q - -(OCF 2 CF 2 ) p ] y -OCF 2 -COOH wherein y is an integer comprised between 1 and 5; p and q are integers such as to give the above mentioned EW, p/q = 0.5 - 2.0; T = COOH, F with the proviso that if T = COOH y = 1-5, if T = F then y = 1; and process for obtaining them.

    Process for purifying pentafluoroethane from chloropentafluoroethane
    22.
    发明公开
    Process for purifying pentafluoroethane from chloropentafluoroethane 有权
    Abtrennung von Chlorpentafluorethan aus Pentafluorethan

    公开(公告)号:EP1070697A1

    公开(公告)日:2001-01-24

    申请号:EP00115289.1

    申请日:2000-07-14

    申请人: Ausimont S.p.A.

    IPC分类号: C07C17/395 C07C19/08

    摘要: A gaseous process for reducing the amount of chloropentafluoroethane (CFC 115) impurity present in pentafluoroethane (HFC 125) characterized in that pentafluroethane is allowed to flow on a catalyst formed by a trivalent chromium salt, optionally supported, at temperatures in the range 200°C-400°C, obtaining the reaction of chloropentafluoroethane with pentafluoroethane with formation of hexafluoroethane (FC 116) and tetrafluorochloroethane (HCFC 124).

    摘要翻译: 用于减少五氟乙烷(HFC 125)中存在的氯五氟乙烷(CFC 115)杂质的量的气体方法,其特征在于使五氟乙烷在任选负载的三价铬盐形成的催化剂上流动,温度范围为200℃ -400℃,得到五氟乙烷与五氟乙烷反应生成六氟乙烷(FC 116)和四氟氯乙烷(HCFC 124)。

    Process for eliminating chlorine from chlorofluorocarbons
    23.
    发明公开
    Process for eliminating chlorine from chlorofluorocarbons 有权
    从含氯氟烃中除去氯的过程

    公开(公告)号:EP1070696A2

    公开(公告)日:2001-01-24

    申请号:EP00115288.3

    申请日:2000-07-14

    申请人: Ausimont S.p.A.

    IPC分类号: C07C17/23 C07C19/08 C07C17/20

    摘要: A gaseous process for eliminating chlorine atoms from a chlorofluorocarbon (CFC) of formula C n F x Cl y , wherein n is an integer from 1 to 3 and x + y = 2n + 2 , wherein said compound is reacted with an hydrofluorocarbon of formula C n' F x' H y' wherein n', x', y' are as above defined, in the presence of a fluorination catalyst in solid phase at temperatures in the range 200°C-400°C.

    摘要翻译: 用于从式CnFxCly的氯氟烃(CFC)中除去氯原子的气体方法,其中n是1至3的整数并且x + y = 2n + 2,其中所述化合物与式Cn'Fx'Hy的氢氟烃 其中n',x',y'如上所定义,在固相氟化催化剂存在下在200-400℃范围内的温度下进行。

    Process for obtaining pentafluoroethane by chlorotetrafluoroethane dismutation
    24.
    发明公开
    Process for obtaining pentafluoroethane by chlorotetrafluoroethane dismutation 有权
    弗雷泽伦·冯·冯·冯·冯·弗洛伦

    公开(公告)号:EP1052236A2

    公开(公告)日:2000-11-15

    申请号:EP00109287.3

    申请日:2000-04-28

    申请人: Ausimont S.p.A.

    发明人: Cuzzato, Paolo

    IPC分类号: C07C17/37 C07C19/08

    摘要: A gaseous process for obtaining pentafluoroethane by dismutation of chlorotetrafluoroethane in the presence of a supported catalyst, said catalyst being formed of a mixture of trivalent chromium oxide with at least an alkaline-earth metal oxide selected from Mg, Ca, Sr and Ba.

    摘要翻译: 一种用于在负载型催化剂存在下通过歧化氯四氟乙烷获得五氟乙烷的气态方法,所述催化剂由三价铬氧化物与至少一种选自Mg,Ca,Sr和Ba的碱土金属氧化物的混合物形成。

    Preparation of sulphonic fluorinated polymer solutions
    25.
    发明公开
    Preparation of sulphonic fluorinated polymer solutions 有权
    聚合物聚合物(Herstellung von Sulfongruppen enthaltenden fluoriertenPolymerlösungen)

    公开(公告)号:EP1004615A2

    公开(公告)日:2000-05-31

    申请号:EP99105912.2

    申请日:1999-03-24

    申请人: Ausimont S.p.A.

    IPC分类号: C08J3/09

    CPC分类号: C08J3/091 C08J2327/12

    摘要: A process for preparing a solution and/or dispersion containing sulphonic (per)fluorinated ionomers having -SO 3 M functional groups, wherein M is selected from H, Li, Na, K, NR 4 (R equal to or different from each other are selected from H, CH 3 ,C 2 H 5 ), characterized in that it dissolves the above defined ionomers at a temperature comprised between the room temperature and about 150°C, in a monophasic ternary mixture essentially constituted by water, by a C 1 -C 4 alcohol and by a fluoro(poly)oxyalkylene having one hydrogen atom in at least a fluorinated end group; the dispersed polymer particle sizes are in the range 30-100 nm.

    摘要翻译: 一种制备含有具有-SO 3 M官能团的磺酸(全)氟化离聚物的溶液和/或分散体的方法,其中M选自H,Li,Na,K,NR4(R彼此相同或不同)选自H ,CH 3,C 2 H 5),其特征在于其在室温至约150℃之间的温度下,以基本上由水,由C 1 -C 4醇和氟(C 1 -C 4)烷基组成的单相三元混合物溶解上述限定的离聚物, 至少氟化端基中具有一个氢原子的聚氧化烯) 分散的聚合物粒径在30-100nm的范围内。

    Fluoropolymer dispersions
    26.
    发明公开
    Fluoropolymer dispersions 失效
    氟聚合物分散体

    公开(公告)号:EP0893466A3

    公开(公告)日:2000-05-17

    申请号:EP98113314.3

    申请日:1998-07-16

    申请人: Ausimont S.p.A.

    IPC分类号: C08J3/03 B01F17/00 C08G65/00

    CPC分类号: C08J3/03 C08J2327/18

    摘要: Fluoropolymer aqueous dispersions comprising an hydrogenated nonionic surfactant and a fluorinated nonionic surfactant selected from the following classes:R f -L-(OCH(R 1 )-CH (R 2 )) n -O-A wherein: n is an integer comprised between 4 and 60; L is selected from: -(CF(Y)-CO-O)pR'- ; -(CF(Y)-CO-NH)pR'-; -(CF(Y)-SO2-NH)pR'-;wherein: p is 0 or 1; Y can be F or CF3; R' is an alkylic radical C1-C5;R1, R2 can preferably be both H or the former H and the latter CH3,Rf can be a radical of (per)fluoroalkane type from 4 to 20 C atoms or of (per)fluoropolyether type;A is selected from the following ones: -H; -CH3 -CH2OH; -CH2OCH2CH2OH; -CH2 (OCH2CH2)n'''OR' wherein n''' is an integer between 2 and 15 and R' is H, CH3, COCH3; -CONHCH2CH2OH

    Fluoroelastomers
    30.
    发明公开
    Fluoroelastomers 有权
    Fluoroelastomere

    公开(公告)号:EP0979832A1

    公开(公告)日:2000-02-16

    申请号:EP99114823.0

    申请日:1999-07-29

    申请人: Ausimont S.p.A.

    IPC分类号: C08F214/22 C08F214/26

    CPC分类号: C08F214/222 C08F214/262

    摘要: Curable fluoroelastomers comprising in the chain monomeric units formed by a triazine iodinated derivative having general formula:
    wherein Y' is independently H, Cl, F, CH 3 , CF 3 ; m' and t' are integers selected between 0 and 1, and m' + t' = 0 or 1 , preferably m' + t' = 0 ; p' is an integer and it is equal to 1 when t' = 1, or p' = 0; X' is independently H, Cl, F, alkyl or perfluoroalkyl C 1 -C 3 , preferably F; n' is an integer comprised between 2 and 20, preferably between 4 and 12, more preferably between 4 and 8.

    摘要翻译: 包含由具有以下通式的三嗪碘化衍生物形成的链单体单元的固化含氟弹性体:其中Y'独立地为H,Cl,F,CH 3,CF 3; m'和t'是在0和1之间选择的整数,m'+ t'= 0或1,优选m'+ t'= 0; p'是整数,当t'= 1或p'= 0时,它等于1; X'独立地是H,Cl,F,烷基或全氟烷基C1-C3,优选F; n'为2〜20,优选为4〜12,更优选为4〜8的整数。