POLYMER ELECTROLYTES CROSSLINKED BY E-BEAM
    182.
    发明申请
    POLYMER ELECTROLYTES CROSSLINKED BY E-BEAM 有权
    电子束交联聚合物电解质

    公开(公告)号:US20070142563A1

    公开(公告)日:2007-06-21

    申请号:US11668270

    申请日:2007-01-29

    Abstract: A method of making a crosslinked polymer is provided as well as the polymer so made, the method comprising the steps of: providing a highly fluorinated fluoropolymer, typically a perfluorinated fluoropolymer, comprising pendent groups which include a group according to the formula —SO2X, where X is F, Cl, Br, OH, or —O−M+, where M+ is a monovalent cation, and exposing said fluoropolymer to electron beam radiation so as to result in the formation of crosslinks. Typically, the method according to the present invention additionally comprises the step of: forming said fluoropolymer into a membrane, typically having a thickness of 90 microns or less, more typically 60 microns or less, and most typically 30 microns or less.

    Abstract translation: 提供制备交联聚合物的方法以及如此制备的聚合物,该方法包括以下步骤:提供高度氟化的含氟聚合物,通常为全氟化含氟聚合物,其包含侧基,其包括根据式-SO 2 X,其中X是F,Cl,Br,OH或-O - ,其中M + 是单价阳离子,并将所述含氟聚合物暴露于电子束辐射,从而导致交联的形成。 通常,根据本发明的方法另外包括以下步骤:将所述含氟聚合物形成膜,通常具有90微米或更小,更典型地为60微米或更小,最通常为30微米或更小的厚度。

    Acid functional fluoropolymer membranes and method of manufacture
    183.
    发明授权
    Acid functional fluoropolymer membranes and method of manufacture 有权
    酸官能含氟聚合物膜及其制造方法

    公开(公告)号:US07160928B2

    公开(公告)日:2007-01-09

    申请号:US10984031

    申请日:2004-11-09

    Abstract: Methods are provided to make acid functional fluoropolymers by: a) dehydrofluorinating a starting fluoropolymer with a dehydrofluorinating agent to form an unsaturated fluoropolymer; b) adding an acidifiable nucleophilic functionalizing agent to a double bond of the unsaturated fluoropolymer; and c) acidifying the added acidifiable function. Acid functional fluoropolymers and ion conducting membranes thereof are also provided, including acid functional fluoropolymer having pendent groups according to the formula: —X—Ar—An, wherein X is selected from O, S or NR, where R is selected from H and C1–C30 alkyl or aryl, which are optionally substituted, wherein Ar is a C6–C30 aromatic group, which is optionally substituted, wherein A is an acidic function or salt thereof, wherein a can be independently chosen to be 1, 2 or 3.

    Abstract translation: 提供通过以下方式制备酸官能含氟聚合物的方法:a)用脱氟化氢剂使起始含氟聚合物脱氟化氢以形成不饱和含氟聚合物; b)将可酸化的亲核官能化剂加入到不饱和含氟聚合物的双键中; 和c)酸化所添加的酸化功能。 还提供了酸官能含氟聚合物及其离子传导膜,包括具有下式的侧基的酸官能含氟聚合物:-X-Ar-A N,其中X选自O,S或NR, 其中R选自H和任选取代的C 1 -C 30烷基或芳基,其中Ar是任选取代的C 6 -C 30芳族基团,其中A是酸性官能团或其盐,其中a可以独立地选自 为1,2或3。

    POLYMER ELECTROLYTE MEMBRANES CROSSLINKED BY NITRILE TRIMERIZATION
    185.
    发明申请
    POLYMER ELECTROLYTE MEMBRANES CROSSLINKED BY NITRILE TRIMERIZATION 有权
    聚合物电解质膜由NITRILE TRIMERIZATION交联

    公开(公告)号:US20060205829A1

    公开(公告)日:2006-09-14

    申请号:US11419515

    申请日:2006-05-22

    CPC classification number: C08J5/225 C08J2327/12

    Abstract: A method is provided for making a crosslinked polymer electrolyte, typically in the form of a membrane for use as a polymer electrolyte membrane in an electrolytic cell such as a fuel cell, by trimerization of nitrile groups contained on groups pendant from the polymer. The resulting polymer electrolyte membrane comprises a highly fluorinated polymer comprising: a perfluorinated backbone, first pendent groups which comprise sulfonic acid groups, and crosslinks comprising trivalent groups according to the formula: The first pendent groups are typically according to the formula: —R1—SO3H, where R1 is a branched or unbranched perfluoroalkyl or perfluoroether group comprising 1-15 carbon atoms and 0-4 oxygen atoms, most typically —O—CF2—CF2—CF2—CF2—SO3H or —O—CF2—CF(CF3)—O—CF2—CF2—SO3H.

    Abstract translation: 提供了一种制备交联聚合物电解质的方法,通常是通过聚合物悬浮在基团上的腈基的三聚作用,在电解池如燃料电池中用作聚合物电解质膜的膜形式。 所得聚合物电解质膜包括高度氟化的聚合物,其包含:全氟化骨架,包含磺酸基团的第一侧基和包含根据下式的三价基团的交联:第一侧基通常根据下式:-R

    Nonelastomeric dental article with a protective fluoropolymer layer
    188.
    发明申请
    Nonelastomeric dental article with a protective fluoropolymer layer 审中-公开
    具有保护性氟聚合物层的非弹性牙科制品

    公开(公告)号:US20060105285A1

    公开(公告)日:2006-05-18

    申请号:US10991234

    申请日:2004-11-17

    CPC classification number: A61C7/00

    Abstract: Protective fluoropolymer layers for dental articles, particularly orthodontic appliances, are provided that reduce adhesion of materials such as food, bacteria, and proteinaceous substances to these surfaces, which can cause staining. Methods of reducing adhesion of these materials to such surfaces are also provided.

    Abstract translation: 提供用于牙科用品,特别是矫正器具的保护性含氟聚合物层,其可以降低诸如食物,细菌和蛋白质物质的材料对这些表面的粘附,这可能导致染色。 还提供了降低这些材料与这些表面的附着力的方法。

    Fluoropolymer blends and multilayer articles
    190.
    发明申请
    Fluoropolymer blends and multilayer articles 审中-公开
    含氟聚合物共混物和多层制品

    公开(公告)号:US20050124717A1

    公开(公告)日:2005-06-09

    申请号:US11040880

    申请日:2005-01-21

    Abstract: Disclosed are various fluoropolymer blend combinations and multilayer articles comprising a blend in a first layer and a second layer comprising a polymer bonded to the first layer. The invention also provides an article comprising a first layer comprising a blend of two or more fluoropolymers, and a second layer bonded to the first layer, the second layer comprising a partially-fluorinated thermoplastic polymer, a perfluorinated thermoplastic polymer, or a combination thereof. The invention also provides an article comprising a first layer comprising a blend of two or more fluoropolymers, at least one of which comprises a partially-fluorinated thermoplastic polymer, and optionally at least one perhalogenated polymer, and a second layer bonded to the first layer, the second layer comprising an at least partially-fluorinated thermoplastic polymer. The invention also provides processes for preparing blended fluoropolymers and multilayer articles comprising a fluoropolymer layer.

    Abstract translation: 公开了各种含氟聚合物共混物组合和多层制品,其包含在第一层中的共混物和包含结合到第一层的聚合物的第二层。 本发明还提供了一种制品,其包括包含两种或更多种含氟聚合物的共混物的第一层和与第一层结合的第二层,第二层包含部分氟化的热塑性聚合物,全氟化的热塑性聚合物或其组合。 本发明还提供一种包含第一层的制品,该第一层包含两种或更多种含氟聚合物的共混物,其中至少一种包含部分氟化的热塑性聚合物和任选的至少一种全卤化聚合物,以及与第一层结合的第二层, 所述第二层包含至少部分氟化的热塑性聚合物。 本发明还提供了制备包含含氟聚合物层的混合含氟聚合物和多层制品的方法。

Patent Agency Ranking