Process for encapsulating metals and metal oxides with graphene and the use of these materials
    3.
    发明授权
    Process for encapsulating metals and metal oxides with graphene and the use of these materials 有权
    用石墨烯包封金属和金属氧化物的方法以及这些材料的使用

    公开(公告)号:US08611070B2

    公开(公告)日:2013-12-17

    申请号:US13107278

    申请日:2011-05-13

    IPC分类号: H01G9/00

    摘要: The invention relates to a process for coating nanoparticles with graphene, comprising the steps of (a) providing a suspension comprising a suspension medium and nanoparticles with positive surface charge, (b) adding graphene oxide particles to the suspension from step (a), the graphene oxide particles accumulating on the nanoparticles, and (c) converting the graphene oxide particles accumulated on the nanoparticles to graphene, to graphene-coated nanoparticles comprising at least one metal, a semimetal, a metal compound and/or a semimetal compound, and to the use of these graphene-coated nanoparticles in electrochemical cells and supercapacitors, and to supercapacitors and electrochemical cells comprising these nanoparticles.

    摘要翻译: 本发明涉及用石墨烯涂覆纳米颗粒的方法,其包括以下步骤:(a)提供包含悬浮介质和具有正表面电荷的纳米颗粒的悬浮液,(b)将氧化石墨烯颗粒加入步骤(a)的悬浮液中, 聚集在纳米颗粒上的石墨烯氧化物颗粒,和(c)将纳米颗粒上积聚的氧化石墨烯颗粒转化为石墨烯,转化为包含至少一种金属,半金属,金属化合物和/或半金属化合物的石墨烯涂覆的纳米颗粒, 在电化学电池和超级电容器中使用这些石墨烯涂覆的纳米颗粒,以及包含这些纳米颗粒的超级电容器和电化学电池。

    PROCESS FOR ENCAPSULATING METALS AND METAL OXIDES WITH GRAPHENE AND THE USE OF THESE MATERIALS
    4.
    发明申请
    PROCESS FOR ENCAPSULATING METALS AND METAL OXIDES WITH GRAPHENE AND THE USE OF THESE MATERIALS 有权
    用石墨包覆金属和金属氧化物的方法和这些材料的使用

    公开(公告)号:US20110292570A1

    公开(公告)日:2011-12-01

    申请号:US13107278

    申请日:2011-05-13

    摘要: The invention relates to a process for coating nanoparticles with graphene, comprising the steps of (a) providing a suspension comprising a suspension medium and nanoparticles with positive surface charge, (b) adding graphene oxide particles to the suspension from step (a), the graphene oxide particles accumulating on the nanoparticles, and (c) converting the graphene oxide particles accumulated on the nanoparticles to graphene, to graphene-coated nanoparticles comprising at least one metal, a semimetal, a metal compound and/or a semimetal compound, and to the use of these graphene-coated nanoparticles in electrochemical cells and supercapacitors, and to supercapacitors and electrochemical cells comprising these nanoparticles.

    摘要翻译: 本发明涉及用石墨烯涂覆纳米颗粒的方法,其包括以下步骤:(a)提供包含悬浮介质和具有正表面电荷的纳米颗粒的悬浮液,(b)将氧化石墨烯颗粒加入步骤(a)的悬浮液中, 聚集在纳米颗粒上的石墨烯氧化物颗粒,和(c)将纳米颗粒上积聚的氧化石墨烯颗粒转化为石墨烯,转化为包含至少一种金属,半金属,金属化合物和/或半金属化合物的石墨烯涂覆的纳米颗粒, 在电化学电池和超级电容器中使用这些石墨烯涂覆的纳米颗粒,以及包含这些纳米颗粒的超级电容器和电化学电池。

    Supported catalyst for olefin polymerization
    10.
    发明授权
    Supported catalyst for olefin polymerization 失效
    用于烯烃聚合的负载催化剂

    公开(公告)号:US07049264B1

    公开(公告)日:2006-05-23

    申请号:US10009831

    申请日:2000-06-07

    IPC分类号: B01J31/00

    摘要: A supported catalyst for olefin polymerization comprises A) as support material, a copolymer comprising the monomer units I, II and III, where the monomer units I have the formula (I) and the monomer units II have the formula (II),  where the variables have the following meanings: R1 is hydrogen, C1-C4-alkyl or phenyl, R2 is substituted or unsubstituted aryl or branched or unbranched alkyl or alkenyl, A1 is a direct chemical bond or a substituted or unsubstituted phenylene group, R3 are identical or different and are each hydrogen, C1-C10-alkyl or substituted or unsubstituted phenyl, p is an integer from 0 to 8, and R4 to R7 are hydrogen, C1-C10-alkyl or substituted or unsubstituted phenyl, and the monomer units III have polar groups, and B) at least one metallocene complex and C) at least one compound capable of forming metallocenium ions. A process for preparing such supported catalysts, copolymers suitable as support material and a process for the polymerization of olefins in the presence of a catalyst according to the present invention are also provided.

    摘要翻译: 用于烯烃聚合的负载催化剂包括A)作为载体材料,包含单体单元I,II和III的共聚物,其中单体单元I具有式(I)和单体单元II具有式(II),其中 变量具有以下含义:R 1是氢,C 1 -C 4 - 烷基或苯基,R 2 O >是取代或未取代的芳基或支链或非支链烷基或烯基,A 1是直接化学键或取代或未取代的亚苯基,R 3相同或不同, 各自为氢,C 1 -C 10 - 烷基或取代或未取代的苯基,p为0至8的整数,R 4为 R 7是氢,C 1 -C 10 - 烷基或取代或未取代的苯基,并且单体单元III具有极性基团,并且 B)至少一种茂金属络合物和C)至少一种能够形成金属茂离子的化合物。 还提供了制备这种负载催化剂的方法,适合作为载体材料的共聚物和在本发明的催化剂存在下烯烃聚合的方法。