申请人:Jubran Nusrallah
公开号:US20050069793A1
公开(公告)日:2005-03-31
Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising:
(a) a charge transport material having the formula
where n is an integer between 2 and 6, inclusive;
R
1
and R
2
are, independently, H, an alkyl group, an alkaryl group, a heterocyclic group, or an aryl group;
R
3
and R
4
are, independently, H, halogen, carboxyl, hydroxyl, thiol, cyano, nitro, aldehyde group, ketone group, an ether group, an ester group, a carbonyl group, an alkyl group, an alkaryl group, or an aryl group;
X is a linking group having the formula —(CH
2
)
m
—, branched or linear, where m is an integer between 0 and 20, inclusive, and one or more of the methylene groups can be optionally replaced by O, S, C═O, O═S═O, a heterocyclic group, an aromatic group, urethane, urea, an ester group, a NR
5
group, a CHR
6
group, or a CR
7
R
8
group where R
5
, R
6
, R
7
, and R
8
are, independently, H, an alkyl group, an alkaryl group, a heterocyclic group, or an aryl group; and
Y is a bond, C, N, O, S, a branched or linear —(CH
2
)
p
— group where p is an integer between 0 and 10 and where one or more of the hydrogen atoms in the —(CH
2
)
p
— may be optionally removed to provide bond positions to enable n to have a higher value than 2, an aromatic group, a cycloalkyl group, a heterocyclic group, or a NR
9
group where R
9
is hydrogen atom, an alkyl group, or aryl group
Y comprises a bond, C, N, O, S, a branched or linear —(CH
2
)
p
— group where p is an integer between 0 and 10, an aromatic group, a cycloalkyl group, a heterocyclic group, or a NR
9
group where R
9
is hydrogen atom, an alkyl group, or aryl group, wherein Y has a structure selected to form n bonds with the corresponding X groups; and (b) a charge generating compound. Corresponding electrophotographic apparatuses and imaging methods are described.
改进的有机光感受器包括一个具有电导性的基板和放置在该电导性基板上的光电导元件,该光电导元件包括:(a) 具有下列结构的电荷传输材料:其中n为2到6之间的整数,包括在内;R1和R2分别为H、烷基、烷基芳基、杂环基或芳基;R3和R4分别为H、卤素、羧基、羟基、硫醇基、氰基、硝基、醛基、酮基、醚基、酯基、羰基、烷基、烷基芳基或芳基;X为具有下列结构的连接基团—(CH2)m—,分支或直链,其中m为0到20之间的整数,包括在内,其中一个或多个亚甲基基团可以选择性地被O、S、C═O、O═S═O、杂环基、芳基、脲基、脲基、酯基、NR5基团、CHR6基团或CR7R8基团取代,其中R5、R6、R7和R8分别为H、烷基、烷基芳基、杂环基或芳基;Y为一个键、C、N、O、S、分支或直链的—(CH2)p—基团,其中p为0到10之间的整数,其中—(CH2)p—中的一个或多个氢原子可以选择性地移除以提供键位,以使n的值大于2,芳基、环烷基、杂环基或NR9基团,其中R9为氢原子、烷基或芳基,Y包括一个键、C、N、O、S、分支或直链的—(CH2)p—基团,其中p为0到10之间的整数,芳基、环烷基、杂环基或NR9基团,其中R9为氢原子、烷基或芳基,其中Y具有一种结构,选择性地与相应的X基团形成n个键;以及(b) 一个电荷生成化合物。描述了相应的静电复印设备和成像方法。