Blocked polyisocyanates incorporating planar electron-deficient tetracabonylbisimide moieties
    51.
    发明申请
    Blocked polyisocyanates incorporating planar electron-deficient tetracabonylbisimide moieties 失效
    含有平面缺电子的四羰基二酰亚胺部分的封闭多异氰酸酯

    公开(公告)号:US20070292795A1

    公开(公告)日:2007-12-20

    申请号:US11453355

    申请日:2006-06-15

    申请人: Michel F. Molaire

    发明人: Michel F. Molaire

    IPC分类号: G03G5/14 C08L75/02

    摘要: The present invention is a photoconductive element containing an electrically conductive support, an electrical barrier layer disposed over said electrically conductive support and a charge generation layer capable of generating positive charge carriers when exposed to actinic radiation disposed over the barrier layer. The barrier layer is formed from a blocked polyisocyanate containing tetracarbonylbisimide groups. The present invention also discloses a new composition of a blocked polyisocyanate containing tetracarbonylbisimide groups.

    摘要翻译: 本发明是一种光电元件,其包含导电支撑体,设置在所述导电支撑体上的电阻挡层,以及当暴露于设置在阻挡层上方的光化辐射时能够产生正电荷载流子的电荷产生层。 阻挡层由含有四羰基双酰亚胺基团的封端多异氰酸酯形成。 本发明还公开了含有四羰基二酰亚胺基团的封端多异氰酸酯的新组合物。

    Polymer and photoconductive element having a polymeric barrier layer
    53.
    发明授权
    Polymer and photoconductive element having a polymeric barrier layer 失效
    具有聚合物阻挡层的聚合物和光电导元件

    公开(公告)号:US06451956B2

    公开(公告)日:2002-09-17

    申请号:US09877763

    申请日:2001-06-08

    IPC分类号: C08G7310

    摘要: In a photoconductive element comprising a conductive support, e.g., an electrically conductive film, drum or belt on which a negatively chargeable photoconductive layer is formed, an electrical barrier layer is formed between the support and the photoconductive layer. The barrier layer provides a high energy barrier to the injection of positive charges but transports electrons under an applied electric field. The barrier layer of the invention transports charge by electronic rather than ionic mechanisms and, therefore, is not substantially affected by humidity changes. The barrier layer comprises a polyester-co-imide, polyesterionomer-co-imide or polyamide-co-imide having covalently bonded as repeating units in the polymer chain, aromatic tetracarboxylbisimide groups of the formula: wherein Ar1 and Ar2 represent, respectively, tetravalent and trivalent aromatic groups of 6 to 20 carbon atoms.

    摘要翻译: 在包含导电性支持体(例如形成有可带电电荷的光电导层的导电膜,鼓或带)的光电导元件中,在支撑体和光电导层之间形成电阻隔层。 阻挡层为注入正电荷提供了高能量势垒,但在施加的电场下传输电子。 本发明的阻挡层通过电子而不是离子机制传输电荷,因此基本上不受湿度变化的影响。 阻挡层包括在聚合物链中共价键合作为重复单元的聚酯 - 共 - 酰亚胺,聚酯共聚物 - 共 - 酰亚胺或聚酰胺 - 共 - 酰亚胺,下式的芳族四羧基双酰亚胺基团:其中Ar1和Ar2分别表示四价和 6-20个碳原子的三价芳族基团。

    Electrophotographic elements with generating layers containing polyester
ionomers
    54.
    发明授权
    Electrophotographic elements with generating layers containing polyester ionomers 失效
    具有含聚酯离聚物的发生层的电子照相元件

    公开(公告)号:US5733695A

    公开(公告)日:1998-03-31

    申请号:US562668

    申请日:1995-11-27

    IPC分类号: G03G5/05 G03G5/06

    摘要: A multiactive electrophotographic element comprising an electrically conductive support, a photoconductive pigment containing charge generation layer and a charge transport layer wherein the charge generation layer contains a polyester-ionomer binder having a weight average molecular weight of 2,500 to 75,000 and a glass transition temperature of 20.degree. to 150.degree. C.

    摘要翻译: 一种多活性电子照相元件,包括导电载体,含光电颜料的电荷产生层和电荷传输层,其中电荷产生层含有重均分子量为2500至75,000且玻璃化转变温度为20的聚酯离聚物粘合剂 DEG至150℃

    Stabilizers for dye-donor element used in thermal dye transfer
    55.
    发明授权
    Stabilizers for dye-donor element used in thermal dye transfer 失效
    用于染料供体元件的稳定剂用于热染料转移

    公开(公告)号:US5288691A

    公开(公告)日:1994-02-22

    申请号:US83836

    申请日:1993-06-28

    IPC分类号: B41M5/392 B41M5/035 B41M5/38

    摘要: This invention relates to a dye-donor element for thermal dye transfer comprising a support having thereon a dye layer comprising an image dye in a polymeric binder, and wherein the dye layer also contains a stabilizer comprising a monomeric or oligomeric organic material having a glass transition temperature of greater than about 60.degree. C., the stabilizer:a) being derived from a mixture of at least two different compounds, each having at least two linking components joining one multivalent organic nucleus with at least two organic nuclei, wherein at least one of the multivalent organic nucleus and the organic nuclei is a multicyclic aromatic nucleus; orb) having a phenylindane moiety.

    摘要翻译: 本发明涉及一种用于热染料转移的染料供体元件,其包括其上具有包含聚合物粘合剂中的图像染料的染料层的载体,并且其中所述染料层还含有包含具有玻璃化转变的单体或低聚有机材料的稳定剂 稳定剂:a)衍生自至少两种不同化合物的混合物,每种化合物各自具有将一个多价有机核与至少两个有机核连接的至少两个连接组分,其中至少一个 的多价有机核和有机核是多环芳香核; 或b)具有苯基茚基部分。

    Coating compositions containing a titanyl fluorophthalocyanine pigment
    56.
    发明授权
    Coating compositions containing a titanyl fluorophthalocyanine pigment 失效
    含有钛氧基酞菁颜料的涂料组合物

    公开(公告)号:US5238766A

    公开(公告)日:1993-08-24

    申请号:US834911

    申请日:1992-02-13

    IPC分类号: G03G5/05 G03G5/06

    CPC分类号: G03G5/0525 G03G5/0696

    摘要: The invention provides a coating composition comprising a coating solution of a polymeric binder and an organic solvent having a gamma.sub.c hydrogen bonding parameter value greater than 9.0, the coating solution having dispersed therein a titanyl fluorophthalocyanine pigment which has been acid-pasted or salt-milled to increase its photosensitivity and then has been brought into contact with an organic solvent having a gamma.sub.c hydrogen bonding parameter value less than 8.0 to preserve its increased photosensitivity, prior to the pigment's being dispersed in the coating solution.

    摘要翻译: 本发明提供一种涂料组合物,其包含聚合物粘合剂的涂布溶液和具有大于9.0的gammac氢键参数值的有机溶剂,所述涂布溶液已经分散在其中已经酸性粘贴或盐研磨的钛氧基酞菁颜料 在颜料分散在涂布溶液中之前,增加其感光度,然后与具有小于8.0的gammac氢键参数值的有机溶剂接触以保持其增加的光敏性。