Process for preparing peroxidic perfluoropolyethers
    1.
    发明授权
    Process for preparing peroxidic perfluoropolyethers 有权
    制备过氧化全氟聚醚的方法

    公开(公告)号:US07329784B2

    公开(公告)日:2008-02-12

    申请号:US11370042

    申请日:2006-03-08

    IPC分类号: C07C409/00

    CPC分类号: C08G65/005

    摘要: A process for preparing peroxidic perfluoropolyethers having a peroxidic content (PO) higher than 1.2 of formula A-CF2O(CF2CF2O)m(CF2O)n—(CF2CF2OO)ml(CF2OO)nlCF2—B  (I) wherein A, B, equal to or different from each other are Cl—, F—, ClCF2—, COF—, —OCOF, —CF3, m, ml, n, nl are integers such that the (m+ml)/(n+nl) ratio is between 0.9 and 5 and the m/n ratio is between 0.8 and 3, the number average molecular weight is in the range 35,000-45,000, by tetrafluoroethylene (TFE) photooxidation in the presence of UV light, at a temperature from −80° C. to −40° C., in the presence of a mixture of solvents formed of HFC-227 (heptafluoropropane) and a solvent selected from HFC-125 (pentafluoroethane) and FC-218 (perfluoropropane).

    摘要翻译: 一种制备过氧化物全氟聚醚的方法,其过氧化物含量(PO)高于式?的线性公式描述=“在线公式”中的结果=“铅”→A-CF 2

    Process for preparing peroxidic perfluoropolyethers
    2.
    发明授权
    Process for preparing peroxidic perfluoropolyethers 有权
    制备过氧化全氟聚醚的方法

    公开(公告)号:US07705113B2

    公开(公告)日:2010-04-27

    申请号:US11366598

    申请日:2006-03-03

    CPC分类号: C08G65/007

    摘要: A process for preparing peroxidic perfluoropolyethers having a perioxidic content (PO) lower than or equal to 1.2 of formula A-CF2O(CF2CF2O)m(CF2O)n—(CF2CF2OO)ml(CF2OO)n1CF2—B  (I) Wherein A, B equal to or different from each other are —C1, —F, —F2CC1, —COF, —OCOF, —CF3, m, m1, n, n1 are integers such that the (m+m1)/(n+n1) ratio is between 0.6 and 1.3 and the m/n ration is between 0.5 and 1.2; the number average molecular weight is in the range 35,000-45,000, by tetrafluoroethylene (TFE) photooxidation in the presence of UV light, at a temperature from −80° C. to −40° C., in the presence of a mixture of solvents formed of HFC-227 (hepta-fluoropropane) and a solvent selected between HFC-125 (pentafluoroethane) and FC-218 (perfluoropropane).

    摘要翻译: 一种制备具有低于或等于式A-CF 2 O(CF 2 CF 2 O)m(CF 2 O)n - (CF 2 CF 2 O)m(CF 2 O)n 1 CF 2 -B(I)的1.2的过氧化全氟聚醚的过氧化全氟聚醚的方法,其中A,B 相同或不同的是-C1,-F,-F2CC1,-COF,-OCOF,-CF3,m,m1,n,n1是整数,使得(m + m1)/(n + n1) 在0.6和1.3之间,m / n比在0.5和1.2之间; 在UV光的存在下,在-80℃至-40℃的温度下,在溶剂混合物存在下,数均分子量在35,000-45,000范围内,通过四氟乙烯(TFE)光氧化 由HFC-227(七氟丙烷)和选自HFC-125(五氟乙烷)和FC-218(全氟丙烷)之间的溶剂形成。

    Process for preparing perfluoropolyethers
    3.
    发明授权
    Process for preparing perfluoropolyethers 有权
    制备全氟聚醚的方法

    公开(公告)号:US07214833B2

    公开(公告)日:2007-05-08

    申请号:US10953764

    申请日:2004-09-30

    IPC分类号: C07C41/05

    CPC分类号: C08G65/3236 C08G65/007

    摘要: A process to obtain perfluoropolyethers comprising: a) synthesis of peroxidic perfluoropolyethers by one of the following reactions: al) TFE photooxidation, in solvents selected between perfluorocarbons and (mono)hydrofluorocarbons, of general formula: CyF(2y+2−X)Hx   (II)  wherein y is an integer from 2 to 4; x is an integer equal to 0 or 1; in the present of fluorine diluted with an inert gas; or a2) TFE oxidation using as radical initiator fluorine or hypofluorites of formula RfOF  (III)  (Rf perfluoroalkyl radical from 1 to 3 carbon atoms), operating from −40° C. to −100° C. at a pressure comprised between 0 and 12 bar; b) thermal treatment of the product obtained in a) at a temperature from 1500° C. to 250° C.; c) treatment with elemental fluorine of the polymer obtained in step b) at temperatures from 100° C. to 250° C., or by treatment with fluorine in the presence of UV radiations, operating at temperatures from −50° C. to 120° C.

    摘要翻译: 一种获得全氟聚醚的方法,包括:a)通过以下反应之一合成过氧化全氟聚醚:a1)在全氟化碳和(单)氢氟烃之间选择的溶剂中的TFE光氧化,通式为: (II)?(II)???????????????????????????????????????????? in-line-formula description =“In-line formula”end =“tail”?>其中y是从2到4的整数; x是等于0或1的整数; 在用惰性气体稀释的氟的存在下; 或a2)使用式(β)的自由基引发剂氟或次氟酸作为自由基引发剂TFE氧化使用式(Ⅳ)的式(III) (in-line-formula description =“In-line Formulas”end =“tail”?>(R 1至3个碳原子的全氟烷基),从-40℃至 - 100℃,压力为0至12巴; b)在a)中在1500℃至250℃的温度下热处理产物; c)在100℃至250℃的温度下,在步骤b)中获得的聚合物的元素氟处理,或在UV辐射存在下通过氟处理,在-50℃至120℃的温度下操作 C。

    Process for preparing peroxidic perfluoropolyethers
    4.
    发明申请
    Process for preparing peroxidic perfluoropolyethers 有权
    制备过氧化全氟聚醚的方法

    公开(公告)号:US20060205982A1

    公开(公告)日:2006-09-14

    申请号:US11370042

    申请日:2006-03-08

    IPC分类号: C07C409/00

    CPC分类号: C08G65/005

    摘要: A process for preparing peroxidic perfluoropolyethers having a peroxidic content (PO) higher than 1.2 of formula A-CF2O(CF2CF2O)m(CF2O)n—(CF2CF2OO)ml(CF2OO)nlCF2—B  (I) wherein A, B, equal to or different from each other are Cl—, F—, C1CF2—, COF—, —OCOF, —CF3, m, ml, n, nl are integers such that the (m+ml)/(n+nl) ratio is between 0.9 and 5 and the m/n ratio is between 0.8 and 3, the number average molecular weight is in the range 35,000-45,000, by tetrafluoroethylene (TFE) photooxidation in the presence of UV light, at a temperature from −80° C. to −40° C., in the presence of a mixture of solvents formed of HFC-227 (heptafluoropropane) and a solvent selected from HFC-125 (pentafluoroethane) and FC-218 (perfluoropropane).

    摘要翻译: 一种制备过氧化物全氟聚醚的方法,其过氧化物含量(PO)高于式?的线性公式描述=“在线公式”中的结果=“铅”→A-CF 2

    Process for preparing peroxidic perfluoropolyethers
    5.
    发明申请
    Process for preparing peroxidic perfluoropolyethers 有权
    制备过氧化全氟聚醚的方法

    公开(公告)号:US20060205921A1

    公开(公告)日:2006-09-14

    申请号:US11366598

    申请日:2006-03-03

    IPC分类号: C08G73/24

    CPC分类号: C08G65/007

    摘要: A process for preparing peroxidic perfluoropolyethers having a perioxidic content (PO) lower than or equal to 1.2 of formula A-CF2O(CF2CF2O)m(CF2O)n—(CF2CF2OO)m1(CF2OO)n1CF2—B  (I) Wherein A, B equal to or different from each other are —C1, —F, —F2CC1, —COF, —OCOF, —CF3, m, m1, n, n1 are integers such that the (m+m1)/(n+n1) ratio is between 0.6 and 1.3 and the m/n ration is between 0.5 and 1.2; the number average molecular weight is in the range 35,000-45,000, by tetrafluoroethylene (TFE) photooxidation in the presence of UV light, at a temperature from −80° C. to −40° C., in the presence of a mixture of solvents formed of HFC-227 (hepta-fluoropropane) and a solvent selected between HFC-125 (pentafluoroethane) and FC-218 (perfluoropropane).

    摘要翻译: 一种制备过氧化全氟聚醚的方法,该过氧化全氟聚醚具有低于或等于式(β)的1.2的线型式描述=“在线公式”中的最大值=“铅”→A-CF2 (CF 2 O 2)O(CF 2 O 2)O(CF 2 O 2)n(CF 2 O 2)n (CF 2 O 2)m1(CF 2 O 2)n1(CF 2 O 2)n1 其中A,B等于或不同于每一个,其中A,B等于或不同于每个 其它是-C1,-F,-F2C1,-COF,-OCOF,-CF3,m,m1,n,n1是整数,使得( m + m1)/(n + n1)的比例在0.6和1.3之间,m / n比在0.5和1.2之间; 在UV光的存在下,在-80℃至-40℃的温度下,在溶剂混合物存在下,数均分子量在35,000-45,000范围内,通过四氟乙烯(TFE)光氧化 由HFC-227(七氟丙烷)和选自HFC-125(五氟乙烷)和FC-218(全氟丙烷)之间的溶剂形成。

    Process for preparing perfluoropolyethers
    6.
    发明申请
    Process for preparing perfluoropolyethers 有权
    制备全氟聚醚的方法

    公开(公告)号:US20050075517A1

    公开(公告)日:2005-04-07

    申请号:US10953764

    申请日:2004-09-30

    CPC分类号: C08G65/3236 C08G65/007

    摘要: A process to obtain perfluoropolyethers comprising: a) synthesis of the peroxidic perfluoropolyether by one of the following reactions: a1) TFE photooxidation, in the presence of UV light, at low temperature, in solvents selected between perfluorocarbons and (mono)hydrofluorocarbons, of general formula: CyF(2y+2−x)Hx   (II) wherein y is an integer from 2 to 4; x is an integer equal to 0 or 1; in the presence of fluorine diluted with an inert gas; or a2) TFE oxidation using as radical initiator fluorine or hypofluorites of formula RfOF (III) (Rf pefluoroalkyl radical from 1 to 3 carbon atoms), operating from −40° C. to −100° C. at a pressure comprised between 0 and 12 bar, in an inert solvent under the reaction conditions; b) thermal treatment of the product obtained in a) at a temperature from 150° C. to 250° C., optionally in the presence of a regulating agent of the molecular weight selected between fluorine or hypofluorite of formula (III); c) treatment with elemental fluorine of the polymer obtained in step b) at temperatures from 100° C. to 250° C., or by treatment with fluorine in the presence of UV radiations, operating at temperatures from −50° C. to 120° C.

    摘要翻译: 一种获得全氟聚醚的方法,包括:a)通过以下反应之一合成过氧化全氟聚醚:a1)在UV光的存在下,在低温下,在全氟化碳和(单)氢氟碳化合物之间选择的溶剂中,TFE光氧化,一般 式:CyF(2y + 2-x)Hx(II)其中y是2至4的整数; x是等于0或1的整数; 在用惰性气体稀释的氟的存在下; 或a2)TFE氧化,使用式RfOF(III)的自由基引发剂氟或次氟酸(Rf值为1至3个碳原子的Rf氟烷基),在-40℃至-100℃下以0和 12巴,在惰性溶剂中,在反应条件下; b)在150℃至250℃的温度下,任选地在选自式(III)的氟或次氟酸盐之间的分子量的调节剂存在下,热处理a)中得到的产物。 c)在100℃至250℃的温度下,在步骤b)中获得的聚合物的元素氟处理,或在UV辐射存在下通过氟处理,在-50℃至120℃的温度下操作 C。

    Process for the treatment of sulfonyl fluoride polymers
    8.
    发明授权
    Process for the treatment of sulfonyl fluoride polymers 有权
    磺酰氟聚合物的处理方法

    公开(公告)号:US08940846B2

    公开(公告)日:2015-01-27

    申请号:US13704335

    申请日:2011-06-22

    IPC分类号: C08F128/02 C08F228/02

    摘要: A process for reducing the amount of soluble polymeric fractions in a sulfonyl fluoride polymer. The process comprises contacting the sulfonyl fluoride polymer with a fluorinated fluid followed by separation of the polymer from the fluid. The fluorinated fluid is selected from hydrofluoroethers and hydrofluoropolyethers. The invention further relates to sulfonyl fluoride polymers obtainable by the process and having a heat of fusion not exceeding 4 J/g and containing less than 15% by weight of polymeric fractions having an average content of monomeric units comprising a sulfonyl functional group exceeding 24 mole %.The sulfonyl fluoride polymers so obtained are particularly suitable for the preparation of ionomeric membranes for use in electrochemical devices.

    摘要翻译: 用于减少磺酰氟聚合物中可溶性聚合物级分的量的方法。 该方法包括使磺酰氟聚合物与氟化流体接触,然后将聚合物与流体分离。 氟化流体选自氢氟醚和氢氟聚醚。 本发明还涉及通过该方法获得的磺化氟化物聚合物,其熔融热不超过4J / g,并且含有少于15%重量的具有包含超过24摩尔的磺酰基官能团的单体单元的平均含量的聚合物部分 %。 如此获得的磺酰氟聚合物特别适用于制备用于电化学装置的离聚物膜。