Symmetrical perylene dimers
    8.
    发明授权
    Symmetrical perylene dimers 失效
    对称苝二聚体

    公开(公告)号:US5645965A

    公开(公告)日:1997-07-08

    申请号:US700326

    申请日:1996-08-08

    摘要: Photoconductive imaging members comprised of a symmetrical dimeric perylene as a charge generator, wherein said perylene is of the following formulawherein R is hydrogen, alkyl, cycloalkyl, oxaalkyl, substituted alkyl, aryl, substituted aryl, aralkyl or substituted aralkyl, and X is the symmetrical bridging moiety, N--N, alkylene, when n is zero, substituted alkylene, cycloalkylene, arylene, substituted arylene, aralkylene, or substituted aralkylene. ##STR1##

    摘要翻译: 由对称的二聚苝作为电荷产生剂组成的感光成像构件,其中所述苝具有下式:其中R是氢,烷基,环烷基,氧杂烷基,取代的烷基,芳基,取代的芳基,芳烷基或取代的芳烷基,X是 对称桥连部分,NN,亚烷基,当n为零时,取代的亚烷基,亚环烷基,亚芳基,取代的亚芳基,亚芳基或取代的亚芳基。 + TR

    Polymerization processes
    10.
    发明授权
    Polymerization processes 失效
    聚合工艺

    公开(公告)号:US5610250A

    公开(公告)日:1997-03-11

    申请号:US620728

    申请日:1996-03-25

    IPC分类号: C08F2/38 C08F10/00

    CPC分类号: C08F10/00

    摘要: A polymerization process comprising: heating a mixture comprised of a free radical initiator, a stable free radical agent, at least one polymerizable monomer compound, and optionally a solvent, to form a polymer with a high monomer to polymer conversion and a narrow polydispersity, wherein said polymer is comprised of a covalently bound free radical initiator fragment at one end and a covalently bound stable free radical compound at the other end of the polymer, and wherein said stable free radical agent has high thermal, acidic, and photochemical stability.

    摘要翻译: 一种聚合方法,包括:加热由自由基引发剂,稳定的自由基试剂,至少一种可聚合单体化合物和任选的溶剂组成的混合物,以形成具有高单体与聚合物转化率和窄的多分散性的聚合物,其中 所述聚合物由一端的共价结合的自由基引发剂片段和在聚合物的另一端共价结合的稳定的自由基化合物组成,并且其中所述稳定的自由基试剂具有高的热,酸和光化学稳定性。