Fluorinated ionomers
    31.
    发明授权
    Fluorinated ionomers 失效
    氟化离聚物

    公开(公告)号:US06767977B2

    公开(公告)日:2004-07-27

    申请号:US10324124

    申请日:2002-12-20

    IPC分类号: C08F11418

    CPC分类号: C08F214/184 C08F216/1466

    摘要: Semicrystalline sulphonic fluorinated ionomers having an equivalent weight higher than 700 g/eq, up to 1,700, comprising: (A) monomeric units deriving from one or more fluorinated monomers containing at least one ethylene unsaturation; (B) fluorinated monomeric units containing sulphonyl groups —SO2F in such amount to give the above equivalent weight, deriving from F2C═CF—O—(CF2)q—SO2F, q being an integer equal to 2 or 3; and having the following properties for a TFE/(B) copolymer: hydration, expressed in % of H2O at 100° C. absorbed by the film prepared from the ionomer and after tranformation from the —SO2F form into the —SO3H form, having the following values: at   750 EW higher than 55%, pref. >70% at   850 EW ″ 45%, ″ >55% at 1,000 EW ″ 35%, ″ >40% at 1,100 EW ″ 28%, ″ >32% at 1,200 EW ″ 23%, ″  >25%.

    Polymerization process of sulphonic monomers
    32.
    发明授权
    Polymerization process of sulphonic monomers 有权
    磺酸单体的聚合方法

    公开(公告)号:US06639011B2

    公开(公告)日:2003-10-28

    申请号:US10324123

    申请日:2002-12-20

    IPC分类号: C08L1102

    CPC分类号: C08F214/184 C08F216/1466

    摘要: A polymerization process in aqueous emulsion of: (I) one or more fluorinated monomers containing at least one ethylene unsaturation; (II) one or more fluorinated monomers, containing sulphonyl groups —SO2F; said process comprising the use of a surfactant having the formula: Rf—X−M+  wherein X is equal to —COO, —SO3; M is selected from H, NH4, alkaline metal; Rf represents a (per)fluoropolyether chain, preferably having number average molecular weight comprised between about 230 and about 1,800.

    摘要翻译: 水乳液中的聚合方法:(I)含有至少一个乙烯不饱和度的一种或多种氟化单体;(II)含有磺酰基-SO 2 F的一种或多种氟化单体;所述方法包括使用具有下式的表面活性剂: 其中X等于-COO,-SO 3; M选自H,NH 4,碱金属; R f表示(全)氟聚醚链,优选数均分子量在约230至约1800之间。

    Fluoroionomer liquid composition
    33.
    发明申请
    Fluoroionomer liquid composition 有权
    氟代离子液体组合物

    公开(公告)号:US20100297523A1

    公开(公告)日:2010-11-25

    申请号:US12743507

    申请日:2008-11-25

    IPC分类号: H01M8/10 C08J5/20 C08J5/22

    摘要: A liquid composition comprising: at least one fluoroionomer (I) [fluoroionomer (I-1)], the fluoroionomer (I-1) having a heat of fusion comprised between 4 and 20 J/g; and at least one fluoroionomer (I) [fluoroionomer (I-2)], the fluoroionomer (I-2) being substantially amorphous, that is to say having a heat of fusion of less than 4 J/g, and wherein the water extractable fraction of the fluoroionomer (I-2) is less than 40% wt, the liquid composition comprising the fluoroionomer (I-1) and the fluoroionomer (I-2) in a weight ratio (I-1)/(I-2) of at least 2:1.

    摘要翻译: 一种液体组合物,其包含:至少一种氟代离聚物(I)[氟代离聚物(I-1)],具有4至20J / g的熔化热的氟代离聚物(I-1) 和至少一种氟代离聚物(I)[氟代离聚物(I-2)],所述氟代离聚物(I-2)基本上是无定形的,也就是说具有小于4J / g的熔化热, 包含重量比(I-1)/(I-2)的氟代离聚物(I-1)和氟代离聚物(I-2)的液体组合物的分数小于40重量% 至少2:1。

    Purification of fluoroionomer compositions
    34.
    发明授权
    Purification of fluoroionomer compositions 有权
    氟代离聚物组合物的纯化

    公开(公告)号:US09217045B2

    公开(公告)日:2015-12-22

    申请号:US13132611

    申请日:2009-12-10

    IPC分类号: C08F6/02

    CPC分类号: C08F6/02 C08L27/22 C08L27/12

    摘要: A process for the purification from ionic impurities of a fluoroionomer liquid composition, comprising: providing a liquid composition comprising at least one fluoroionomer (I-1) in a liquid medium, the liquid composition comprising ionic impurities; contacting the liquid composition with a solid particulate comprising at least one fluoroionomer (I-2) having ion exchange groups, wherein H+ or OH− ions are bound to at least a fraction of such ion exchange groups, and separating the liquid composition from the solid particulate.

    摘要翻译: 一种用于从氟离子液体组合物的离子杂质中纯化的方法,包括:在液体介质中提供包含至少一种氟代离聚物(I-1)的液体组合物,所述液体组合物包含离子杂质; 使液体组合物与包含至少一种具有离子交换基团的氟代离聚物(I-2)的固体颗粒接触,其中H +或OH-离子与至少一部分这样的离子交换基团结合,并将液体组合物与固体 微粒。

    Fluoroionomer liquid composition
    35.
    发明授权
    Fluoroionomer liquid composition 有权
    氟代离子液体组合物

    公开(公告)号:US08409766B2

    公开(公告)日:2013-04-02

    申请号:US12743507

    申请日:2008-11-25

    IPC分类号: H01M8/10 B01J49/00 C08J5/20

    摘要: A liquid composition comprising: at least one fluoroionomer (I) [fluoroionomer (I-1)], the fluoroionomer (I-1) having a heat of fusion comprised between 4 and 20 J/g; and at least one fluoroionomer (I) [fluoroionomer (I-2)], the fluoroionomer (I-2) being substantially amorphous, that is to say having a heat of fusion of less than 4 J/g, and wherein the water extractable fraction of the fluoroionomer (I-2) is less than 40% wt, the liquid composition comprising the fluoroionomer (I-1) and the fluoroionomer (I-2) in a weight ratio (I-1)/(I-2) of at least 2:1.

    摘要翻译: 一种液体组合物,其包含:至少一种氟代离聚物(I)[氟代离聚物(I-1)],具有4至20J / g的熔化热的氟代离聚物(I-1) 和至少一种氟代离聚物(I)[氟代离聚物(I-2)],所述氟代离聚物(I-2)基本上是无定形的,也就是说具有小于4J / g的熔化热, 包含重量比(I-1)/(I-2)的氟代离聚物(I-1)和氟代离聚物(I-2)的液体组合物的分数小于40重量% 至少2:1。

    Purification of fluoroionomer compositions
    36.
    发明申请
    Purification of fluoroionomer compositions 有权
    氟代离聚物组合物的纯化

    公开(公告)号:US20110240559A1

    公开(公告)日:2011-10-06

    申请号:US13132611

    申请日:2009-12-10

    IPC分类号: B01J39/00

    CPC分类号: C08F6/02 C08L27/22 C08L27/12

    摘要: A process for the purification from ionic impurities of a fluoroionomer liquid composition, comprising: providing a liquid composition comprising at least one fluoroionomer (I-1) in a liquid medium, the liquid composition comprising ionic impurities; contacting the liquid composition with a solid particulate comprising at least one fluoroionomer (I-2) having ion exchange groups, wherein H+ or OH− ions are bound to at least a fraction of such ion exchange groups, and separating the liquid composition from the solid particulate.

    摘要翻译: 一种用于从氟离子液体组合物的离子杂质中纯化的方法,包括:在液体介质中提供包含至少一种氟代离聚物(I-1)的液体组合物,所述液体组合物包含离子杂质; 使液体组合物与包含至少一种具有离子交换基团的氟代离聚物(I-2)的固体颗粒接触,其中H +或OH-离子与至少一部分这样的离子交换基团结合,并将液体组合物与固体 微粒。