Fluoroelastomers
    1.
    发明申请
    Fluoroelastomers 有权
    氟弹性体

    公开(公告)号:US20090005511A1

    公开(公告)日:2009-01-01

    申请号:US12162099

    申请日:2007-01-15

    Abstract: VDF-based curable fluorelastomers, having a glass transition temperature from −10° C. to −35° C., comprising: B) monomer of formula: CF2═CFOCF2OCF3 (a), C) one or more comonomers selected from: tetrafluoroethylene (TFE), per-fluoromethylvinylether (PMVE), perfluoropropene (HFP), and an amount of —COF end groups in the polymer lower than the sensitivity limit of the method which uses the FT-IR spectroscopy described in the present application.

    Abstract translation: 具有玻璃化转变温度为-10℃至-35℃的基于VDF的可固化氟树脂,其包含:B)式:CF 2 -CFOCF 2 OCF 3(a)的单体,C)一种或多种选自以下的共聚单体:四氟乙烯 TFE),全氟甲基乙烯基醚(PMVE),全氟丙烯(HFP)和聚合物中的-COF端基的量低于使用本申请中描述的FT-IR光谱的方法的灵敏度极限。

    TFE-based thermoprocessable copolymers
    5.
    发明授权
    TFE-based thermoprocessable copolymers 失效
    基于TFE的热可加工共聚物

    公开(公告)号:US07544752B2

    公开(公告)日:2009-06-09

    申请号:US11191031

    申请日:2005-07-28

    CPC classification number: C08F214/262

    Abstract: TFE-based thermoprocessable copolymers having the following composition, expressed in percentage by moles on the total of the monomers: A) from 0.01 to 15% of the monomer of formula: CF2═CFOCF2OCF3  (a); A1) tetrafluoroethylene from 99.99 to 85%; optionally B) one or more (per)fluorinated comonomers having at least one unsaturation of ethylene type, different from TFE; the sum of the molar percentages A)+B) being such as to give polymers showing at least one melting peak at the thermogravimetric analysis (DSC).

    Abstract translation: 具有以下组成的基于TFE的热可加工共聚物,以单体总量的百分比表示:A)0.01至15%的式的单体:<?在线公式描述=“在线式” end =“lead”?> CF2-CFOCF2OCF3(a); <?in-line-formula description =“In-line formula”end =“tail”?> A1)从99.99到85%的四氟乙烯; 任选地B)一种或多种具有不同于TFE的乙烯类型的至少一个不饱和键的(全)氟化共聚单体; 摩尔百分比A)+ B)的总和使得在热重分析(DSC)下显示出至少一个熔融峰的聚合物。

    Perfluorinated polymers
    7.
    发明申请

    公开(公告)号:US20070123671A1

    公开(公告)日:2007-05-31

    申请号:US11640862

    申请日:2006-12-19

    CPC classification number: C08F216/1416 C08F34/02

    Abstract: Amorphous perfluorinated homopolymers and copolymers of perfluorodioxoles of formula (IA): wherein R′F is equal to RF or ORF wherein RF is a linear or branched perfluoroalkyl radical having 1-5 carbon atoms; X1 and X2, equal to or different from each other, are F, CF3; said polymers having a dioxole content ≧95% by moles, having the following property combination: Tg, measured according to the ASTM 3418 (DSC) method, from 180° C. to 195° C.; intrinsic viscosity, measured at the temperature of 30° C. in perfluoroheptane (Galden® D80) according to the ASTM D 2857-87 method, from 13 cc/g to 100 cc/g.

    Amorphous perfluorinated polymers
    8.
    发明授权
    Amorphous perfluorinated polymers 失效
    无定形全氟化聚合物

    公开(公告)号:US07091295B2

    公开(公告)日:2006-08-15

    申请号:US10835288

    申请日:2004-04-30

    CPC classification number: C08F34/02

    Abstract: Use of amorphous perfluorinated polymers for preparing transparent films at 157 nm, said perfluorinated polymers being free from unstable ionic end groups COF, COOH or their amidic derivatives, esters or salts, said polymers formed by cyclic units deriving from perfluorodioxoles of formula: wherein R′F is equal to RF or ORF wherein RF is a perfluoroalkyl radical having 1–5 carbon atoms; X1 and X2, equal to or different from each other, are F, CF3; said polymers optionally containing units deriving from perfluorinated comonomers optionally containing oxygen atoms; in said polymers the cyclic units deriving from the perfluorodioxoles of formula (IA) being ≧95% by moles.

    Abstract translation: 使用无定形全氟化聚合物制备157nm的透明膜,所述全氟化聚合物不含不稳定的离子端基COF,COOH或它们的酰胺衍生物,酯或盐,所述聚合物由衍生自下式的全氟二恶烷的环状单元形成:其中R' F F等于其中R 1是具有1-5个碳原子的全氟烷基的R 1 F或OR F ; X 1,X 2和X 2彼此相同或不同,为F,CF 3 3, 所述聚合物任选地含有衍生自任选地含有氧原子的全氟化共聚单体的单元; 在所述聚合物中,衍生自式(IA)的全氟二氧杂环戊烯的环状单元为> = 95摩尔%。

    Fluoroelastomers
    9.
    发明授权
    Fluoroelastomers 有权
    氟弹性体

    公开(公告)号:US07767764B2

    公开(公告)日:2010-08-03

    申请号:US12162458

    申请日:2007-01-15

    Abstract: VDF curable fluoroelastomers, ionically cured, having a compression set after a time of 24 h (ASTM D 39/B) at −10° C. lower than 60%, preferably lower than 50% and at −25° C. lower than 90%, preferably lower than 75%, comprising hexafluoropropene (HFP) in amounts higher than 10% by moles and one vinylether of formula: CF2═CFOCF2OCF3 (a), an amount of —COF and groups in the polymer lower than the sensitivity limit of the method using the FT-IR spectroscopy described in the present application.

    Abstract translation: VDF固化的含氟弹性体,在-10℃下在24小时后(ASTM D 39 / B)具有压缩永久变形,低于60%,优选低于50%和-25℃,低于90° %,优选低于75%,其含量高于10摩尔%的六氟丙烯(HFP),和一个式为CF 2 CFCFF 2 OCF 3(a)的乙烯基醚,其中-COF的含量低于聚合物的灵敏度极限 该方法使用本申请中描述的FT-IR光谱。

    Perfluorinated polymers
    10.
    发明申请
    Perfluorinated polymers 审中-公开
    全氟聚合物

    公开(公告)号:US20070142582A1

    公开(公告)日:2007-06-21

    申请号:US11705404

    申请日:2007-02-13

    CPC classification number: C08F216/1416 C08F34/02

    Abstract: Amorphous perfluorinated homopolymers and copolymers of perfluorodioxoles of formula (IA): wherein R′F is equal to RF or ORF wherein RF is a linear or branched perfluoroalkyl radical having 1-5 carbon atoms; X1 and X2, equal to or different from each other, are F, CF3; said polymers having a dioxole content ≧95% by moles, having the following property combination: Tg, measured according to the ASTM 3418 (DSC) method, from 180° C. to 195° C.; intrinsic viscosity, measured at the temperature of 30° C. in perfluoroheptane (Galden® D80) according to the ASTM D 2857-87 method, from 13 cc/g to 100 cc/g.

    Abstract translation: 无规全氟化均聚物和式(IA)的全氟二氧杂环戊烯的共聚物:其中R'F等于R或F或其中R F是具有1-5个碳原子的直链或支链全氟烷基; X 1,X 2和X 2彼此相同或不同,为F,CF 3 3, 所述聚合物具有≥95摩尔%的二氧杂环戊烯含量,具有以下性能组合:根据ASTM 3418(DSC)方法测量的Tg为180℃至195℃; 根据ASTM D 2857-87方法在全氟庚烷(D D D D80)中在30℃的温度下测量的特性粘度为13cc / g至100cc / g。

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