公开(公告)号：US20060051688A1

公开(公告)日：2006-03-09

申请号：US11217407

申请日：2005-09-02

申请人： Naohiro Toda ,  Hiroshi Tamura ,  Yoshiki Yanagawa ,  Tetsuro Suzuki

发明人： Naohiro Toda ,  Hiroshi Tamura ,  Yoshiki Yanagawa ,  Tetsuro Suzuki

IPC分类号： G03G5/147

CPC分类号： G03G5/0517 ,  G03G5/0514 ,  G03G5/0542 ,  G03G5/0546 ,  G03G5/0564 ,  G03G5/0589 ,  G03G5/0592 ,  G03G5/0614 ,  G03G5/0659 ,  G03G5/0661 ,  G03G5/0668 ,  G03G5/071 ,  G03G5/14708 ,  G03G5/14717 ,  G03G5/1473 ,  G03G5/14734 ,  G03G5/14756 ,  G03G5/14786 ,  G03G5/14791 ,  G03G5/14795 ,  Y10S430/103

摘要： An object is to provide a latent electrostatic image bearing member that can provide high-quality images for prolonged periods, owing to photosensitive layers and crosslinked surface layers having excellent flaw and wear resistance and appropriate electric properties, image forming method, image forming apparatus and process cartridge that employ latent electrostatic image bearing member respectively. Accordingly, provided is a latent electrostatic image bearing member that comprises a support and at least a photosensitive layer and a crosslinked surface layer disposed on the support, wherein the crosslinked surface layer comprises a reactant from radical polymerizable compounds having three or more functionalities with no charge transport structure and radical polymerizable compounds having one functionality with charge transport structure, and at least two different antioxidants.

摘要翻译： 本发明的目的是提供一种静电潜像承载部件，其可以由于感光层和交联表面层具有优异的缺陷和耐磨性以及合适的电性能，图像形成方法，图像形成装置和工艺而能够提供长时间的高品质图像 分别使用静电潜像承载部件的盒。 因此，提供了一种静电潜像承载部件，其包括支撑体和至少设置在支撑体上的感光层和交联表面层，其中交联表面层包含具有三个或更多个不带电荷的功能的自由基聚合性化合物的反应物 具有一个具有电荷传输结构的官能团的可自由基聚合的化合物和至少两种不同的抗氧化剂。

公开(公告)号：US20050287465A1

公开(公告)日：2005-12-29

申请号：US11165279

申请日：2005-06-24

申请人： Kohichi Ohshima ,  Yasuo Suzuki ,  Tetsuro Suzuki ,  Michitaka Sasaki

发明人： Kohichi Ohshima ,  Yasuo Suzuki ,  Tetsuro Suzuki ,  Michitaka Sasaki

IPC分类号： G03G15/00 ,  G03G15/20

CPC分类号： G03G15/75 ,  G03G2215/00957 ,  G03G2215/0614

摘要： An image forming method including: forming an electrostatic latent image on an image bearing member; developing the latent image with a toner; transferring the toner image onto a receiving material; and fixing the toner image. The image bearing member includes a substrate, and a charge generation layer, a charge transport layer and a crosslinked charge transport layer, wherein the crosslinked charge transport layer includes a compound obtained from radical polymerizable monomers including a monomer having three or more functional groups and no charge transport structure and a monomer having one functional group and a charge transport structure. The toner includes a binder resin, a colorant, and a release agent, wherein tetrahydrofuran-soluble components of the binder resin have a molecular weight distribution such that at least one peak is observed in a range of from 1,000 to 10,000 and the half-width of the molecular weight distribution curve is not greater than 15,000.

摘要翻译： 一种图像形成方法，包括：在图像承载部件上形成静电潜像; 用调色剂显影潜像; 将调色剂图像转印到接收材料上; 并固定调色剂图像。 图像承载部件包括基板，电荷产生层，电荷输送层和交联电荷输送层，其中交联的电荷输送层包括由可自由基聚合的单体获得的化合物，所述单体包括具有三个或更多个官能团的单体， 电荷输送结构和具有一个官能团和电荷输送结构的单体。 调色剂包括粘合剂树脂，着色剂和脱模剂，其中粘合剂树脂的四氢呋喃可溶组分具有使得在1,000至10,000范围内观察到至少一个峰的分子量分布，并且半宽度 的分子量分布曲线不大于15,000。

公开(公告)号：US06858362B2

公开(公告)日：2005-02-22

申请号：US10625408

申请日：2003-07-23

申请人： Nozomu Tamoto ,  Tetsuro Suzuki ,  Hiroshi Tamura ,  Tatsuya Niimi ,  Akihiko Matsuyama ,  Eiji Kurimoto ,  Hidetoshi Kami

发明人： Nozomu Tamoto ,  Tetsuro Suzuki ,  Hiroshi Tamura ,  Tatsuya Niimi ,  Akihiko Matsuyama ,  Eiji Kurimoto ,  Hidetoshi Kami

IPC分类号： G03G5/05 ,  G03G5/147

CPC分类号： G03G5/0514 ,  G03G5/0507 ,  G03G5/051 ,  G03G5/14704 ,  G03G5/14708 ,  Y10S430/103

摘要： An electrophotographic photoreceptor including an electroconductive substrate, a photosensitive layer located overlying the electroconductive substrate, and optionally a protective layer overlying the photosensitive layer, wherein an outermost layer of the photoreceptor includes a filler, a binder resin and an organic compound having an acid value of from 10 to 700 mgKOH/g. The photosensitive layer can be the outermost layer. A coating liquid for an outermost layer of a photoreceptor including a filler, a binder resin, an organic compound having an acid value of from 10 to 700 mgKOH/g and plural organic solvents. A method for preparing a photoreceptor including forming a photosensitive layer, and coating the coating liquid on the photosensitive layer. An image forming method and apparatus and a process cartridge using the photoreceptor are also provided.

摘要翻译： 包括导电基片的电子照相感光体，位于导电基底上的感光层，以及任选地覆盖感光层的保护层，其中感光体的最外层包括填料，粘合剂树脂和酸值为 10至700mgKOH / g。 感光层可以是最外层。 包含填充剂，粘合剂树脂，酸值为10〜700mgKOH / g的有机化合物和多种有机溶剂的感光体的最外层的涂布液。 一种制备感光体的方法，包括形成感光层，并将涂布液涂覆在感光层上。 还提供了一种图像形成方法和装置以及使用感光体的处理盒。

公开(公告)号：US06326112B1

公开(公告)日：2001-12-04

申请号：US09642117

申请日：2000-08-21

申请人： Hiroshi Tamura ,  Hidetoshi Kami ,  Katsuichi Ohta ,  Tetsuro Suzuki ,  Tatsuya Niimi ,  Narihito Kojima

发明人： Hiroshi Tamura ,  Hidetoshi Kami ,  Katsuichi Ohta ,  Tetsuro Suzuki ,  Tatsuya Niimi ,  Narihito Kojima

IPC分类号： G03G5047

CPC分类号： G03G5/076

摘要： An electrophotographic photoreceptor which includes an electroconductive substrate, and a photosensitive layer which is formed overlying the substrate, wherein the photosensitive layer includes a charge generation material, a charge transport polymer material including triarylamine structure and a soft segment in a main chain thereof, and a filler.

摘要翻译： 一种电子照相感光体，包括导电性基体和形成在基材上的感光层，其中感光层包括电荷产生材料，包含三芳胺结构的电荷传输聚合物材料和主链中的软链段， 填料。

公开(公告)号：US6151468A

公开(公告)日：2000-11-21

申请号：US447950

申请日：1999-11-29

申请人： Hidetoshi Kami ,  Tetsuro Suzuki ,  Narihito Kojima ,  Hiroshi Nagame ,  Hiroshi Tamura ,  Yohta Sakon ,  Hiroshi Ikuno

发明人： Hidetoshi Kami ,  Tetsuro Suzuki ,  Narihito Kojima ,  Hiroshi Nagame ,  Hiroshi Tamura ,  Yohta Sakon ,  Hiroshi Ikuno

IPC分类号： G03G5/047 ,  G03G5/05 ,  G03G5/07 ,  G03G15/00

CPC分类号： G03G5/0503 ,  G03G5/047 ,  G03G5/0514 ,  G03G5/0517 ,  G03G5/0521 ,  G03G5/0592 ,  G03G5/075

摘要： An electrophotographic photoconductor including a photoconductive layer which is formed overlying an electroconductive substrate and which includes at least a charge transporting polymer material, wherein the photoconductive layer has a water vapor permeability not greater than about 200 g.multidot.m.sup.-2 .multidot.24 h.sup.-1. The photoconductive layer may be a functionally separated photoconductive layer including a charge generating layer and a charge transporting layer which is formed overlying the charge generating layer and which includes the charge transporting polymer material, wherein the charge transporting layer has a water vapor permeability not greater than about 200 g.multidot.m.sup.-2 .multidot.24 h.sup.-1.

摘要翻译： 一种电子照相感光体，包括形成在导电基底上并且至少包含电荷输送聚合物材料的光电导层，其中光电导层的水蒸气渗透率不大于约200gxm-2x24h-1。 光电导层可以是功能上分离的光导电层，其包括形成在电荷产生层上的电荷产生层和电荷输送层，该电荷传输层包括电荷输送聚合物材料，其中电荷输送层具有不大于 约200gxm-2x24h-1。

公开(公告)号：US6030733A

公开(公告)日：2000-02-29

申请号：US243785

申请日：1999-02-03

申请人： Hidetoshi Kami ,  Tetsuro Suzuki ,  Narihito Kojima ,  Hiroshi Nagame ,  Hiroshi Tamura ,  Yohta Sakon ,  Hiroshi Ikuno

发明人： Hidetoshi Kami ,  Tetsuro Suzuki ,  Narihito Kojima ,  Hiroshi Nagame ,  Hiroshi Tamura ,  Yohta Sakon ,  Hiroshi Ikuno

IPC分类号： G03G5/047 ,  G03G5/05 ,  G03G5/07 ,  G03G5/09 ,  G03G5/147

CPC分类号： G03G5/0503 ,  G03G5/047 ,  G03G5/0514 ,  G03G5/0517 ,  G03G5/0521 ,  G03G5/0592 ,  G03G5/075

摘要： An electrophotographic photoconductor including a photoconductive layer which is formed overlying an electroconductive substrate and which includes at least a charge transporting polymer material, wherein the photoconductive layer has a water vapor permeability not greater than about 200 g.multidot.m.sup.-2 .multidot.24 h.sup.-1. The photoconductive layer may be a functionally separated photoconductive layer including a charge generating layer and a charge transporting layer which is formed overlying the charge generating layer and which includes the charge transporting polymer material, wherein the charge transporting layer has a water vapor permeability not greater than about 200 g.multidot.m.sup.2 .multidot.24 h.sup.-1.

摘要翻译： 一种电子照相感光体，包括形成在导电基底上并且至少包含电荷输送聚合物材料的光电导层，其中光电导层的水蒸气渗透率不大于约200gxm-2x24h-1。 光电导层可以是功能上分离的光导电层，其包括形成在电荷产生层上的电荷产生层和电荷输送层，该电荷传输层包括电荷输送聚合物材料，其中电荷输送层具有不大于 约200 gxm2x24 h-1。

公开(公告)号：US5830980A

公开(公告)日：1998-11-03

申请号：US956284

申请日：1997-10-23

申请人： Mitsutoshi Anzai ,  Akihiro Imai ,  Masaomi Sasaki ,  Hiroshi Tamura ,  Tomoyuki Shimada ,  Tetsuro Suzuki ,  Masafumi Ohta

发明人： Mitsutoshi Anzai ,  Akihiro Imai ,  Masaomi Sasaki ,  Hiroshi Tamura ,  Tomoyuki Shimada ,  Tetsuro Suzuki ,  Masafumi Ohta

IPC分类号： C08G64/12 ,  G03G5/05 ,  G03G5/07 ,  C08G64/00

CPC分类号： G03G5/0564 ,  C08G64/12 ,  G03G5/076

摘要： An electrophotographic photoconductor includes an electroconductive support, and a photoconductive layer formed thereon, containing a novel aromatic polycarbonate resin having a repeat unit of formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each is an alkyl group which may have a substituent, or a halogen atom; R.sup.4 is a hydrogen atom, or an alkyl group which may have a substituent; Ar.sup.1 and Ar.sup.2 each is an aromatic hydrocarbon group which may have a substituent; l, m and n each is an integer of 0 to 4; k is an integer of 5 to 5,000; and X is a bivalent aliphatic group, a bivalent cyclic aliphatic group, or ##STR2## in which R.sup.5 and R.sup.6 each is an alkyl group which may have a substituent, a halogen atom, or an aromatic hydrocarbon group; p and q each is an integer of 0 to 4; and r is 0 or 1, and when r is 1, Y is a straight-chain, branched or cyclic alkylene group having 1 to 12 carbon atoms, --O--, --S--, --SO--, --SO.sub.2 --, or --C(O)--.

摘要翻译： 电子照相感光体包括导电载体和形成在其上的光电导层，其中含有具有式（I）重复单元的新型芳族聚碳酸酯树脂：其中R 1，R 2和R 3各自为烷基， 具有取代基或卤素原子; R4是氢原子或可以具有取代基的烷基; Ar 1和Ar 2各自为可以具有取代基的芳香族烃基; l，m和n各自为0〜4的整数; k为5〜5000的整数。 X是二价脂肪族基团，二价环状脂肪族基团或其中R 5和R 6各自为可以具有取代基的烷基，卤素原子或芳香族烃基的二价脂肪族基团， p和q各自为0〜4的整数; r为0或1，当r为1时，Y为碳原子数为1〜12的直链，支链或环状亚烷基，-O - ， - S-， -​​ SO-，-SO2-或 - C（O） - 。

公开(公告)号：US5747204A

公开(公告)日：1998-05-05

申请号：US665702

申请日：1996-06-18

申请人： Mitsutoshi Anzai ,  Akihiro Imai ,  Masaomi Sasaki ,  Hiroshi Tamura ,  Tomoyuki Shimada ,  Tetsuro Suzuki ,  Masafumi Ohta

发明人： Mitsutoshi Anzai ,  Akihiro Imai ,  Masaomi Sasaki ,  Hiroshi Tamura ,  Tomoyuki Shimada ,  Tetsuro Suzuki ,  Masafumi Ohta

IPC分类号： C08G64/12 ,  G03G5/05 ,  G03G5/07 ,  G03G5/047

CPC分类号： G03G5/0564 ,  C08G64/12 ,  G03G5/076

摘要： An electrophotographic photoconductor includes an electroconductive support, and a photoconductive layer formed thereon, containing a novel aromatic polycarbonate resin having a repeat unit of formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each is an alkyl group which may have a substituent, or a halogen atom; R.sup.4 is a hydrogen atom, or an alkyl group which may have a substituent; Ar.sup.1 and Ar.sup.2 each is an aromatic hydrocarbon group which may have a substituent; l, m and n each is an integer of 0 to 4; k is an integer of 5 to 5,000; and X is a bivalent aliphatic group, a bivalent cyclic aliphatic group, or ##STR2## in which R.sup.5 and R.sup.6 each is an alkyl group which may have a substituent, a halogen atom, or an aromatic hydrocarbon group; p and q each is an integer of 0 to 4; and r is 0 or 1, and when r is 1, Y is a straight-chain, branched or cyclic alkylene group having 1 to 12 carbon atoms, --O--, --S--, --SO--, --SO.sub.2 --, or --C(O)--.

摘要翻译： 电子照相感光体包括导电载体和形成在其上的光电导层，其中含有具有式（I）重复单元的新型芳族聚碳酸酯树脂：其中R 1，R 2和R 3各自为烷基， 具有取代基或卤素原子; R4是氢原子或可以具有取代基的烷基; Ar 1和Ar 2各自为可以具有取代基的芳香族烃基; l，m和n各自为0〜4的整数; k为5〜5000的整数。 X是二价脂肪族基团，二价环状脂肪族基团或其中R 5和R 6各自为可以具有取代基的烷基，卤素原子或芳香族烃基的二价脂肪族基团， p和q各自为0〜4的整数; r为0或1，当r为1时，Y为碳原子数为1〜12的直链，支链或环状亚烷基，-O - ， - S-， -​​ SO-，-SO2-或 - C（O） - 。

公开(公告)号：US5387487A

公开(公告)日：1995-02-07

申请号：US936773

申请日：1992-08-28

申请人： Masayuki Shoshi ,  Masakatsu Shimoda ,  Masahiro Taniucchi ,  Akio Kojima ,  Masao Yoshikawa ,  Tetsuro Suzuki

发明人： Masayuki Shoshi ,  Masakatsu Shimoda ,  Masahiro Taniucchi ,  Akio Kojima ,  Masao Yoshikawa ,  Tetsuro Suzuki

IPC分类号： C07D209/18 ,  C07C255/34 ,  C07C255/35 ,  C07C255/37 ,  C07C255/51 ,  C07D213/57 ,  C07D215/12 ,  C07D307/72 ,  C07D401/06 ,  C07D405/06 ,  G03G5/06

CPC分类号： C07D405/06 ,  C07C255/34 ,  C07C255/35 ,  C07C255/37 ,  G03G5/0612 ,  G03G5/0629 ,  G03G5/0637 ,  C07C2103/26 ,  C07C2103/50

摘要： An electrophotographic photoconductor is composed of an electroconductive support, and a photoconductive layer formed on the electroconductive support, which contains a charge generating material and a charge transporting material consisting of an .alpha.-cyanostilbene compound of formula (I): ##STR1## wherein R.sup.1 and R.sup.2 each represent a phenyl group, a polycyclic aromatic group selected from the group consisting of a naphthyl group, an anthracenyl group, a phenanthrenyl group, and a pyrenyl group, or a heterocyclic group selected from the group consisting of a pyridyl group, a furanyl group, and a quinolyl group.

摘要翻译： 电子照相感光体由导电载体和形成在导电载体上的光电导层组成，其中含有电荷产生材料和由式（I）的α-氰基茋化合物组成的电荷传输材料： 其中R1和R2各自表示苯基，选自萘基，蒽基，菲基和芘基的多环芳基，或选自吡啶基的杂环基 ，呋喃基，和喹啉基。

公开(公告)号：US09846377B2

公开(公告)日：2017-12-19

申请号：US15331313

申请日：2016-10-21

申请人： Tomoharu Asano ,  Eiji Kurimoto ,  Tetsuro Suzuki ,  Daisuke Nii ,  Toshihiro Ishida

发明人： Tomoharu Asano ,  Eiji Kurimoto ,  Tetsuro Suzuki ,  Daisuke Nii ,  Toshihiro Ishida

IPC分类号： G03G5/00 ,  G03G5/047 ,  G03G5/14

CPC分类号： G03G5/047 ,  G03G5/0675 ,  G03G5/142 ,  G03G5/144

摘要： A photoconductor includes an electroconductive substrate; an undercoat layer overlying the electroconductive substrate; and a photosensitive layer overlying the undercoat layer. The undercoat layer includes a urethane resin, a metal oxide particle and a compound having the following formula (1): wherein R1 to R8 independently represent a hydrogen atom, a nitro group, a cyano group, a halogen atom, a hydroxyl group, a saturated or an unsaturated aliphatic hydrocarbon group optionally having a substituent, an aromatic hydrocarbon group optionally having a substituent, an alkoxy group optionally having a substituent, an aryloxy group optionally having a substituent, a sulfo group optionally having a substituent, an amino group, a dialkylamino group optionally having a substituent or an diarylamino group optionally having a substituent; and R3 and R4, R4 and R5, R6 and R7, and R7 and R8 may be bonded with each other to form an aromatic ring.