Cross-linked polyamide anticurl back coating for electrostatographic imaging members
    1.
    发明授权
    Cross-linked polyamide anticurl back coating for electrostatographic imaging members 有权
    用于静电摄影成像的交联聚酰胺防反涂层

    公开(公告)号:US06197462B1

    公开(公告)日:2001-03-06

    申请号:US09450196

    申请日:1999-11-29

    IPC分类号: G03G510

    CPC分类号: G03G5/10

    摘要: A flexible electrostatographic imaging member including at least one photographic imaging layer, a support layer, and an anticurl back layer having an exposed surface including a cross linked polyamide at the exposed surface, the polyamide being, formed from a solution selected from the group including a first solution including crosslinkable alcohol soluble polyamide containing methoxy methyl groups attached to amide nitrogen atoms, an acid having a pKa less than about 3, a cross linking agent selected from the group including a formaldehyde generating cross linking agent, an alkoxylated cross linking agent, a methylolamine cross linking agent and mixtures thereof, and a liquid selected from the group including alcohol solvents, diluent and mixtures thereof, a second solution including crosslinkable alcohol soluble polyamide free of methoxy methyl groups attached to amide nitrogen atoms, an acid having a pKa less than about 3, a cross linking agent selected from the group including a an alkoxylated cross linking agent, a methylolamine cross linking agent and mixtures thereof, and a liquid selected from the group including alcohol solvents, diluent and mixtures thereof.

    摘要翻译: 一种柔性静电摄影成像构件,其包括至少一个照相成像层,支撑层和具有暴露表面的防背面层,所述暴露表面在暴露表面包括交联聚酰胺,所述聚酰胺由选自包括可交联醇的第一溶液 含有连接到酰胺氮原子上的甲氧基甲基的可溶性聚酰胺,pKa小于约3的酸,选自甲醛生成交联剂,烷氧基化交联剂,羟甲基胺交联剂的交联剂和 其混合物和选自包括醇溶剂,稀释剂及其混合物的液体的液体,包含不含与酰胺氮原子连接的甲氧基甲基的可交联醇溶性聚酰胺,pKa小于约3的酸,第二溶液,交联剂 选自包括烷氧基化物的基团 d交联剂,羟甲基胺交联剂及其混合物,以及选自醇溶剂,稀释剂及其混合物的液体。

    Overcoated photoreceptors and methods of using overcoated photoreceptors
    3.
    发明授权
    Overcoated photoreceptors and methods of using overcoated photoreceptors 有权
    涂覆光感受器和使用外敷光感受器的方法

    公开(公告)号:US6103436A

    公开(公告)日:2000-08-15

    申请号:US182602

    申请日:1998-10-29

    摘要: An electrophotographic imaging member including a supporting substrate coated with at least photoconductive layer, a charge transport layer and an overcoating layer, the overcoating layer includinga hydroxy functionalized aromatic diamine anda hydroxy functionalized triarylamine dissolved or molecularly dispersed ina crosslinked polyamide matrix, the crosslinked polyamide prior to crosslinking being selected from the group consisting of materials represented by the following Formulae I and II: ##STR1## wherein: n is a positive integer sufficient to achieve a weight average molecular weight between about 5000 and about 100,000,R is an alkylene unit containing from 1 to 10 carbon atoms,between 1 and 99 percent of the R.sub.2 sites are --H, andthe remainder of the R.sub.2 sites are --CH.sub.2 --O--CH.sub.3, and ##STR2## wherein: m is a positive integer sufficient to achieve a weight average molecular weight between about 5000 and about 100000,R.sub.1 and R are independently selected from the group consisting of alkylene units containing from 1 to 10 carbon atoms, andbetween 1 and 99 percent of the R.sub.3 and R.sub.4 sites are --H, andthe remainder of the R.sub.3 and R.sub.4 sites are --CH.sub.2 --O--CH.sub.3.Coating compositions for the overcoating layer of this invention as well as methods of making and using the overcoated photoreceptor are also disclosed.

    摘要翻译: 一种电子照相成像构件,其包括涂覆有至少光电导层,电荷传输层和外涂层的支撑基底,所述外涂层包含溶解或分子分散在交联聚酰胺基质中的羟基官能化芳族二胺和羟基官能化三芳基胺,所述交联 交联前的聚酰胺选自由以下式I和II表示的材料组成的组:其中:n是足以实现约5000至约100,000的重均分子量的正整数,R是含有 1至10个碳原子,1至99%的R2位点为-H,其余部分为-CH2-O-CH3,其中:m为足以达到重均分子量的正整数 在约5000至约100000之间,R 1和R 2独立地选自亚烷基单元co 具有1至10个碳原子,并且1至99%的R 3和R 4位点是-H,并且R 3和R 4位点的其余部分是-CH 2 -O-CH 3。 还公开了本发明的外涂层的涂料组合物以及制备和使用外涂感光体的方法。

    Photoreceptor containing dissimilar charge transporting small molecule
and charge transporting polymer
    9.
    发明授权
    Photoreceptor containing dissimilar charge transporting small molecule and charge transporting polymer 失效
    含有不同电荷运输小分子和电荷输送聚合物的感光体

    公开(公告)号:US5409792A

    公开(公告)日:1995-04-25

    申请号:US328320

    申请日:1994-10-24

    IPC分类号: G03G5/047 G03G5/07

    CPC分类号: G03G5/047 G03G5/076

    摘要: An electrophotographic imaging member including a charge generating layer and a charge transport layer, the charge transport layer comprising a charge transporting small molecule dissolved or molecularly dispersed in a film forming charge transporting polymer comprising charge transporting moieties in the backbone of the film forming charge transporting polymer, the charge transporting moieties having a structure unlike the structure of the charge transporting small molecule, the ionization potential of the charge transporting small molecule and the charge transporting moieties having a difference in ionization potential value of less than about 0.05 electron volt, the charge transporting small molecule and the charge transporting polymer being non-absorbing to radiation in the region of intended use, and the charge transport layer being substantially free of electrically inactive film forming binder. This imaging member may be employed in an electrophotographic imaging process.

    摘要翻译: 一种电子照相成像构件,包括电荷产生层和电荷输送层,电荷输送层包含溶解或分子分散在成膜电荷输送聚合物中的电荷输送小分子,该成膜电荷输送聚合物包含成膜电荷输送聚合物主链中的电荷输送部分 电荷输送部分具有与电荷输送小分子的结构不同的结构,电荷输送小分子的电离电位和电离势电位差小于约0.05电子伏的电荷输送部分,电荷输送 小分子和电荷输送聚合物在预期用途的区域中不吸收辐射,电荷输送层基本上不含无电极成膜粘合剂。 该成像构件可以用于电子照相成像过程。