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    Graphite Exfoliation Method
    4.
    发明申请
    Graphite Exfoliation Method 审中-公开
    石墨去角质方法

    公开(公告)号：US20170029280A1

    公开(公告)日：2017-02-02

    申请号：US15106793

    申请日：2014-12-11

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： David Julius ,  Melvin Zin ,  Ranjith Divigalpitiya ,  Gary A. Korba

    IPC: C01B31/04 ,  C09D127/12 ,  C08K3/04 ,  C09D5/24 ,  C08K7/00

    CPC classification number: C08K3/04 ,  C01B32/19 ,  C08K3/042 ,  C08K7/00 ,  C08K2201/001 ,  C08K2201/011 ,  C09D5/24 ,  C09D127/12

    Abstract: A method of producing an aqueous dispersion of few-layer graphene nanosheets is disclosed, the method including: (a) mixing graphite particles with a perfluorosulfonate ionomer in an aqueous liquid, to form an aqueous dispersion of graphite particles; and (b) sonicating the aqueous dispersion of graphite particles to form an aqueous dispersion of few-layer graphene nanosheets, wherein the perfluorosulfonate ionomer is disposed as a thin and continuous layer on the few-layer graphene nanosheets. A composition is also disclosed, comprising an aqueous dispersion of a mixture of: (a) a perfluorosulfonate ionomer; and (b) a plurality of few-layer graphene nanosheets; wherein the perfluorosulfonate ionomer is disposed as a thin and continuous layer on the few-layer graphene nanosheets.

    Abstract translation: 公开了一种生产少量石墨烯纳米片的水性分散体的方法，该方法包括：（a）在水性液体中将石墨颗粒与全氟磺酸盐离聚物混合，形成石墨颗粒的水分散体; 和（b）对石墨颗粒的水分散体进行超声处理以形成几层石墨烯纳米片的水性分散体，其中全氟磺酸盐离聚物作为薄层和连续层设置在几层石墨烯纳米片上。 还公开了一种组合物，其包含以下混合物的水分散体：（a）全氟磺酸酯离聚物; 和（b）多个几层石墨烯纳米片; 其中全氟磺酸盐离聚物作为薄层和连续层设置在几层石墨烯纳米片上。

    ELECTRICAL CONNECTORS AND METHODS OF MAKING SAME
    5.
    发明申请
    ELECTRICAL CONNECTORS AND METHODS OF MAKING SAME 审中-公开
    电气连接器及其制造方法

    公开(公告)号：US20150333424A1

    公开(公告)日：2015-11-19

    申请号：US14653874

    申请日：2013-12-12

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Cheryl L. S. Elsbernd ,  Ranjith Divigalpitiya ,  Gary A. Korba

    IPC: H01R13/03

    CPC classification number: C23C16/26 ,  H01R13/03

    Abstract: An electrical connector includes a contact for making electrical connection with a corresponding contact of a mating connector. The electrical connector further includes a carbon layer disposed on a contact surface of the contact. The carbon layer has a morphology comprising graphite platelets embedded in nano-crystalline carbon.

    Abstract translation: 电连接器包括用于与匹配连接器的相应触点进行电连接的触点。 电连接器还包括设置在触点的接触表面上的碳层。 碳层具有包含嵌入纳米结晶碳中的石墨片的形态。

    ELECTRICALLY CONDUCTIVE ARTICLE WITH HIGH OPTICAL TRANSMISSION
    6.
    发明申请
    ELECTRICALLY CONDUCTIVE ARTICLE WITH HIGH OPTICAL TRANSMISSION 有权
    具有高光传输特性的电导体

    公开(公告)号：US20140299364A1

    公开(公告)日：2014-10-09

    申请号：US14356914

    申请日：2012-12-12

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Ranjityh Divigalpitiya ,  Mark J. Pellerite ,  John P. Baetzold ,  Gary A. Korba ,  Mieczyslaw H. Mazurek

    IPC: H05K1/02 ,  H05K3/10

    CPC classification number: H05K1/02 ,  B82Y10/00 ,  G02F1/13439 ,  G02F2202/36 ,  H01L31/022466 ,  H01L51/0045 ,  H01L51/0097 ,  H01L51/445 ,  H05K3/10 ,  Y02E10/549 ,  Y02P70/521 ,  Y10T29/49155

    Abstract: A transparent conductive article includes a transparent substrate, a thin electrically conductive grid, and a carbon nanolayer. The grid is disposed on the substrate, and the carbon nanolayer is also disposed on the substrate and in contact with the grid. The conductive grid and the carbon nanolayer may have thicknesses of no more than 1 micron and 50 nanometers, respectively. The carbon nanolayer has a morphology that includes graphite platelets embedded in nano-crystalline carbon, and can be produced with a buffing procedure using dry carbon particles without substantially damaging the grid structure. The article may have a visible light transmission of at least 80%, and a sheet resistance less than 500 or 100 ohms/square. The transparent substrate may comprise a flexible polymer film. The disclosed articles may substantially maintain an initial sheet resistance value when subjected to flexing.

    Abstract translation: 透明导电制品包括透明基板，薄导电格栅和碳纳米层。 网格设置在基板上，并且碳纳米层也设置在基板上并与栅格接触。 导电栅格和碳纳米层可以分别具有不超过1微米和50纳米的厚度。 碳纳米层具有包括嵌入纳米晶体碳中的石墨片晶的形态，并且可以使用干碳颗粒的抛光方法制备，而不会基本上损害栅格结构。 物品可以具有至少80％的可见光透射率，以及小于500或100欧姆/平方的薄层电阻。 透明基底可以包括柔性聚合物膜。 所公开的制品在经受挠曲时可以基本保持初始的薄层电阻值。

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