Polymerization process of sulphonic monomers
    13.
    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:US06555639B2

    公开(公告)日:2003-04-29

    申请号:US09886106

    申请日:2001-06-22

    IPC分类号: C08F224

    CPC分类号: C08F214/184 C08F216/1466

    摘要: A polymerization process in microemulsion 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: a) preparation of an aqueous microemulsion, having a pH in the range 4-7, of perfluoropolyethers (PFPEs); b) feeding of the microemulsion to the polymerization reactor, in an amount higher than 18 ml per liter of reaction medium; c) introduction of the monomer (II) in liquid form into the reactor, reactor pressurization with the gaseous monomers (I); d) addition of the initiator, and feeding of the monomers (I) during the polymerization so as to maintain constant the reactor pressure.

    摘要翻译: 微乳液中的聚合方法:(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的一种或多种含氟单体; 所述方法包括:a)制备全氟聚醚(PFPE)具有4-7范围内pH值的水性微乳液; b)将微乳液以高于18ml /升反应的量加入到聚合反应器中 介质; c)将液体形式的单体(II)引入反应器,用气体单体(I)进行反应器加压; d)加入引发剂和在聚合过程中进料单体(I)以保持 恒定反应堆压力。

    Fuel cell modules
    17.
    发明申请
    Fuel cell modules 审中-公开
    燃料电池模块

    公开(公告)号:US20130244131A1

    公开(公告)日:2013-09-19

    申请号:US13989283

    申请日:2011-11-28

    IPC分类号: H01M8/10

    摘要: A method for the preparation of corrugated fuel cell units from a composite laminate comprising an ion conductive membrane having first and second surface; a first electrocatalyst layer in contact with the first surface of the membrane; a second electrocatalyst layer in contact with the second surface of the membrane; a first metallic mesh in contact with said first electrocatalyst layer and a second metallic mesh in contact with said second electrocatalyst layer.

    摘要翻译: 一种由复合层压制备波纹燃料电池单元的方法,包括具有第一和第二表面的离子传导膜; 与膜的第一表面接触的第一电催化剂层; 与所述膜的第二表面接触的第二电催化剂层; 与所述第一电催化剂层接触的第一金属网和与所述第二电催化剂层接触的第二金属网。

    Catalyst-polymer liquid dispersion for fuel cell applications
    18.
    发明授权
    Catalyst-polymer liquid dispersion for fuel cell applications 失效
    用于燃料电池应用的催化剂 - 聚合物液体分散体

    公开(公告)号:US08404400B2

    公开(公告)日:2013-03-26

    申请号:US12305032

    申请日:2007-06-25

    IPC分类号: H01M4/02 H01M4/36

    摘要: Catalyst-polymer liquid dispersion (LD) comprising (i) catalyst particles, (ii) polymer particles consisting of at least one (per)fluoro sulfonyl fluoride polymer in the —SO2F form, and (iii) an aqueous suspending medium.Catalyst coated membrane precursor (CCMP), catalyst coated membrane (CCM) and catalytic ionomeric ink (CII) derived therefrom and methods for their manufacture. Catalyst coated membrane (CCM-CII) derived from said (CII).

    摘要翻译: 催化剂 - 聚合物液体分散体(LD),其包含(i)催化剂颗粒,(ii)由-SO 2 F形式的至少一种(全)氟磺酰氟聚合物组成的聚合物颗粒,和(iii)水性悬浮介质。 催化剂涂覆膜前体(CCMP),催化剂涂覆膜(CCM)和催化离聚物油墨(CII)及其制备方法。 衍生自所述(CII)的催化剂涂覆膜(CCM-CII)。

    PVDF coating composition
    19.
    发明申请
    PVDF coating composition 有权
    PVDF涂料组合物

    公开(公告)号:US20130059961A1

    公开(公告)日:2013-03-07

    申请号:US13697744

    申请日:2011-05-19

    摘要: A composition comprising at least one vinylidene fluoride (VDF) polymer [polymer (F)]; and inorganic particles at least partially coated with at least one perfluoropolyether block copolymer [polymer (E)] comprising: A) one or more (per)fluoropolyoxyalkylene segment (chain Rf), comprising recurring units having at least one catenary ether bond and at least one fluorocarbon moiety, and B) one or more polyalkylene segment (chain Ra) comprising recurring units of formula: —(CR1R2—CR3R4)—, wherein R1, R2, R3, R4, equal to or different from each other, are selected from the group consisting of H, halogens (preferably F, Cl); C1-C6 (hydro)carbon groups, optionally containing fluorine or other heteroatoms, preferably perfluoroalkyl or (per)fluorooxyalkyl. The invention also discloses a method of coating various substrates using said composition.

    摘要翻译: 包含至少一种偏二氟乙烯(VDF)聚合物[聚合物(F)]的组合物; 至少部分涂覆有至少一种全氟聚醚嵌段共聚物[聚合物(E)]的无机颗粒,其包含:A)一种或多种(全)氟聚氧亚烷基链段(链Rf),其包含具有至少一个链烯键的重复单元,并且至少 一个碳氟部分,和B)一个或多个包含式: - (CR 1 R 2 -CR 3 R 4) - 的重复单元的聚亚烷基链段(链Ra),其中彼此等于或不同的R 1,R 2,R 3,R 4, 由H,卤素(优选F,Cl)组成的组; 任选地含有氟或其它杂原子的C 1 -C 6(氢)碳基团,优选全氟烷基或(全)氟氧基烷基。 本发明还公开了使用所述组合物涂覆各种底物的方法。

    Solar cell module
    20.
    发明申请
    Solar cell module 有权
    太阳能电池组件

    公开(公告)号:US20100116927A1

    公开(公告)日:2010-05-13

    申请号:US12594525

    申请日:2008-04-04

    摘要: The present invention pertains to a solar cell module comprising at least one photovoltaic element encapsulated between a front layer on its light receiving surface side and a back layer, said front layer comprising at least one layer comprising a tetrafluoroethylene (TFE) polymer [polymer (F)], said polymer (F) comprising: recurring units derived from TFE; and from 15 to 25% wt of recurring units derived from at least one perfluoromonomer [monomer (CM)] chosen among: (i) perfluoroalkylvinylethers complying with formula CF2═CFORf1, in which Rf1 is a C1-C6 perfluoroalkyl, e.g. —CF3, —C2F5, —C3F7; and/or (ii) perfluoro-oxyalkylvinylethers complying with formula CF2═CFOX0, in which X0 is a C1-C12 perfluorooxyalkyl having one or more ether groups, like perfluoro-2-propoxy-propyl; and (iii) mixtures thereof. Still objects of the invention are a process for the manufacture of the solar cell module as above defined and its use for producing current to external sources, e.g. for powering a fixed-wing aircraft.

    摘要翻译: 本发明涉及太阳能电池模块,其包括封装在其光接收表面侧的前层和背层之间的至少一个光伏元件,所述前层包括至少一层包含四氟乙烯(TFE)聚合物[聚合物(F )],所述聚合物(F)包含:衍生自TFE的重复单元; 和15至25重量%的衍生自至少一种全氟单体[单体(CM)]的重复单元,其选自:(i)符合式CF2 = CFORf1的全氟烷基乙烯基醚,其中Rf1为C1-C6全氟烷基,例如 -CF 3,-C 2 F 5,-C 3 F 7; 和/或(ii)符合式CF 2 = CFOX 0的全氟 - 烷氧基乙烯基醚,其中X 0是具有一个或多个醚基的C 1 -C 12全氟氧烷基,如全氟-2-丙氧基 - 丙基; 和(iii)它们的混合物。 本发明的另一目的是制造如上所述的太阳能电池组件的方法及其用于产生电流至外部源的用途,例如, 为固定翼飞机提供动力。