公开(公告)号：US5338633A

公开(公告)日：1994-08-16

申请号：US886845

申请日：1992-05-22

申请人： Mamoru Nozomi ,  Sumiko Watabe ,  Ryoko Aso

发明人： Mamoru Nozomi ,  Sumiko Watabe ,  Ryoko Aso

IPC分类号： C07C217/92 ,  G03G5/06

CPC分类号： C07C217/92 ,  G03G5/0618 ,  G03G5/0661 ,  C07C2101/10

摘要： An electrophotographic photoreceptor comprising an electrically conductive substrate and a photoconductive layer formed thereon, wherein said photoconductive layer contains a compound of the formula ( I ): ##STR1## wherein R.sup.1 to R.sup.18 are respectively and independently a hydrogen atom, a halogen atom, a saturated or unsaturated aliphatic hydrocarbon group, an aromatic hydrocarbon group, an alkoxy group, an aryloxy group, a dialkylamino group or a diarylamino group, wherein the aliphatic hydrocarbon group, the aromatic hydrocarbon group, the alkoxy group, the aryloxy group, the dialkylamino group and the diarylamino group may have substituents, X is a bivalent hydrocarbon group which may have substituents, each of A.sup.1 and A.sup.2 is a saturated or unsaturated aliphatic hydrocarbon group or an aromatic hydrocarbon group, or is bonded to R.sup.5 or R.sup.18 of the adjacent phenyl group to form a nitrogen-containing heterocyclic ring, wherein the aliphatic hydrocarbon group, the aromatic hydrocarbon group and the nitrogen-containing heterocyclic ring may have substituents.

摘要翻译： 一种电子照相感光体，包括导电基底和形成在其上的光电导层，其中所述光电导层含有式（I）的化合物：其中R 1至R 18分别独立地为氢原子，卤素原子 ，饱和或不饱和脂族烃基，芳族烃基，烷氧基，芳氧基，二烷基氨基或二芳基氨基，其中脂族烃基，芳族烃基，烷氧基，芳氧基， 二烷基氨基和二芳基氨基可以具有取代基，X是可以具有取代基的二价烃基，A1和A2各自为饱和或不饱和的脂族烃基或芳族烃基，或者相邻的R 5或R 18键合 苯基，形成含氮杂环，其中脂族烃基，芳烃烃基 p和含氮杂环可以具有取代基。

公开(公告)号：US5037714A

公开(公告)日：1991-08-06

申请号：US554296

申请日：1990-07-17

申请人： Mamoru Nozomi ,  Hiromi Horiuchi ,  Sumiko Watabe

发明人： Mamoru Nozomi ,  Hiromi Horiuchi ,  Sumiko Watabe

IPC分类号： C07C309/73 ,  C09B23/00 ,  G03G5/05 ,  G03G5/06

CPC分类号： C07C309/73 ,  G03G5/0517 ,  G03G5/062

摘要： Disclosed herein is an electrophotographic photoreceptor having on a conductive base at least one charge generation layer and at least one charge transfer layer, which comprises a sulfonate ester compound represented by the general formula (I): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are independently hydrogen atom, halogen atom, cyano group, nitro group or alkyl group; R.sup.6, R.sup.7, R.sup.8 and R.sup.9 are independently hydrogen atom or halogen atom; and X is cyano group, alkoxycarbonyl group, optionally substituted aryloxycarbonyl group or optionally substituted aryl group, in the charge transfer layer. The electrophotographic photoreceptor according to the present invention has the excellent durability.

公开(公告)号：US5292607A

公开(公告)日：1994-03-08

申请号：US965929

申请日：1992-10-22

申请人： Ryoko Aso ,  Michio Kawai ,  Osamu Murakami ,  Mamoru Nozomi ,  Ryuji Nakayama ,  Tadashi Umehara

发明人： Ryoko Aso ,  Michio Kawai ,  Osamu Murakami ,  Mamoru Nozomi ,  Ryuji Nakayama ,  Tadashi Umehara

IPC分类号： G03G5/05 ,  G03G9/087

CPC分类号： G03G5/0564

摘要： A novel electrophotographic photoreceptor and a method of preparation therof are disclosed. The photoreceptor is characterized in that the photosensitive layer contain a specific carbonate resin binder resin having a weight average molecular weight on not less than 200,000. The resin is preferably a polycarbonate resin which contains repeating units represented by the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7 and R.sup.8 are respectively and independently a hydrogen atom, a lower alkyl group, a halogen atom or an unsubstituted or substituted aromatic group; and R.sup.9 and R.sup.10 are respectively and independently a hydrogen atom, a lower alkyl group, an unsubstituted or substituted aromatic group, or form a ring or a carbonyl group together with the linking carbon atom. The method is characterized in that the photosensitive layer contains a polyocarbonate having a weight average molecular weight of not less than 200,000 as a binder resin and is formed by spray coating or spiral coating.

摘要翻译： 公开了一种新型的电子照相感光体及其制备方法。 感光体的特征在于感光层含有重均分子量不小于20万的特定碳酸酯树脂粘合剂树脂。 树脂优选为包含由式（*化学结构*）（I）表示的重复单元的聚碳酸酯树脂，其中R1，R2，R3，R4，R5，R6，R7和R8分别独立地为氢原子，低级 烷基，卤素原子或未取代或取代的芳族基团; 并且R 9和R 10分别独立地为氢原子，低级烷基，未取代或取代的芳族基团，或与连接碳原子一起形成环或羰基。 该方法的特征在于感光层含有重均分子量不小于200,000的聚碳酸酯作为粘合剂树脂，并通过喷涂或螺旋涂布形成。

公开(公告)号：US5173385A

公开(公告)日：1992-12-22

申请号：US706189

申请日：1991-05-28

申请人： Mamoru Nozomi ,  Kiyoshi Sekihara ,  Ryoko Aso

发明人： Mamoru Nozomi ,  Kiyoshi Sekihara ,  Ryoko Aso

IPC分类号： G03G5/14

CPC分类号： G03G5/142

摘要： In the field of the photosensitive member for electrophotography comprising an electrically conductive substrate and at least one primer layer and a photosensitive layer, there is disclosed an improved member which is characterized in that the primer layer contains a copolyamide which contains as a constituent a diamine represented by a chemical formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 respectively and independently a hydrogen atom or a methyl or ethyl group.

公开(公告)号：US06884556B2

公开(公告)日：2005-04-26

申请号：US10224352

申请日：2002-08-21

申请人： Yuuta Kumano ,  Satoshi Kato ,  Chiyoko Sato ,  Akiteru Fujii ,  Mamoru Nozomi

发明人： Yuuta Kumano ,  Satoshi Kato ,  Chiyoko Sato ,  Akiteru Fujii ,  Mamoru Nozomi

IPC分类号： C08G63/193 ,  G03G5/05 ,  G03G5/00

CPC分类号： G03G5/056 ,  C08G63/193

摘要： Electrophotographic photoreceptors having improved mechanical properties, electrical properties with excellent response characteristics are prepared by forming a photosensitive layer on an electroconductive substrate. The photosensitive layer contains a binder resin, which may be a polyarylate or a copolymer of polyarylate. The binder resin may be mixed with other resins up to 50 wt % with other resins to impove surface slip properties or fire retardant properties.

摘要翻译： 具有改善的机械性能，具有优异响应特性的电性能的电子照相感光体通过在导电基材上形成感光层来制备。 感光层含有粘合剂树脂，其可以是多芳基化合物或多芳基化合物的共聚物。 粘合剂树脂可以与其它树脂混合达50重量％以上以抵消表面滑动性能或阻燃性能。

公开(公告)号：US20060068310A1

公开(公告)日：2006-03-30

申请号：US11150271

申请日：2005-06-13

申请人： Mamoru Nozomi ,  Kazutaka Ida ,  Mitsuo Wada

发明人： Mamoru Nozomi ,  Kazutaka Ida ,  Mitsuo Wada

IPC分类号： G03G5/05

CPC分类号： G03G5/047 ,  G03G5/051 ,  G03G5/0517 ,  G03G5/056 ,  G03G5/0616 ,  G03G5/0666 ,  G03G5/0668 ,  G03G5/0672 ,  G03G5/0677

摘要： The present invention provides an electrophotographic photoreceptor which has high light resistance, has high durability in exposure to oxidizing gases such as ozone and NOx, is excellent in mechanical properties such as printing durability, wearing resistance, marring resistance, and slip properties in repetitions of use, and further has excellent electrical properties. Specifically, the present invention provides an electrophotographic photoreceptor having an electroconductive substrate and provided thereon at least a photosensitive layer having a charge generation material, a charge transport material, and a binder resin.

摘要翻译： 本发明提供一种具有高耐光性，在暴露于臭氧和NO x等氧化性气体中的高耐久性的电子照相感光体，其机械性能如印刷耐久性，耐磨性，防结块性优异 ，以及重复使用时的滑动性，并且还具有优异的电性能。 具体而言，本发明提供一种电子照相感光体，其具有导电性基体，并且至少设置有具有电荷产生材料，电荷输送材料和粘合剂树脂的光敏层。

公开(公告)号：US06803163B2

公开(公告)日：2004-10-12

申请号：US10452283

申请日：2003-06-03

申请人： Teruyuki Mitsumori ,  Akiteru Fujii ,  Mamoru Nozomi ,  Satoshi Kato ,  Yuuta Kumano

发明人： Teruyuki Mitsumori ,  Akiteru Fujii ,  Mamoru Nozomi ,  Satoshi Kato ,  Yuuta Kumano

IPC分类号： G03G1502

CPC分类号： G03G5/0546 ,  G03G5/047 ,  G03G5/0592 ,  G03G5/0596

摘要： A high-sensitivity and long-life electrophotographic photoreceptor comprising an electroconductive substrate and at least a photosensitive layer on the electroconductive substrate is provided, wherein the photosensitive layer contains a polyarylate resin not having a nitrogen atom in its repeating unit, and the Hall mobility at an electric field strength of 3×105 (V/cm) and at a temperature of 21° C. of the photosensitive layer is 3×10−6 (cm2/Vs) or more.

摘要翻译： 提供了一种包括导电基片和至少在导电基片上的感光层的高灵敏度和长寿命的电子照相感光体，其中感光层含有重复单元中不具有氮原子的多芳基化合物树脂， 感光层的3×10 5（V / cm）的电场强度和21℃的电场强度为3×10 -6（cm 2 / Vs）以上。

公开(公告)号：US5130222A

公开(公告)日：1992-07-14

申请号：US540327

申请日：1990-06-19

申请人： Shigenori Otsuka ,  Mamoru Nozomi

发明人： Shigenori Otsuka ,  Mamoru Nozomi

IPC分类号： G03G5/05 ,  G03G5/06

CPC分类号： G03G5/0521 ,  G03G5/064 ,  Y10S430/103

摘要： An electrophotographic photoreceptor having an electrically conductive substrate and a photosensitive layer formed thereon, the photosensitive layer comprising a charge-generating agent, an organic charge-transporting agent and an anti-oxidant having the general formula: ##STR1## wherein R.sup.1 and R.sup.2 are independently alkyl groups, is disclosed herein. The electrophotographic photoreceptor according to this invention has an improved durability in repeated copying operations and therefore a prolonged life.

摘要翻译： 一种电子照相感光体，具有形成在其上的导电基底和感光层，感光层包含电荷产生剂，有机电荷输送剂和抗氧化剂，具有以下通式：其中R1和R2独立地为 烷基。 根据本发明的电子照相感光体在反复复印操作中具有改进的耐久性，因此寿命延长。

公开(公告)号：US4752549A

公开(公告)日：1988-06-21

申请号：US924282

申请日：1986-10-27

申请人： Shigenori Otsuka ,  Kohki Furuya ,  Mamoru Nozomi

发明人： Shigenori Otsuka ,  Kohki Furuya ,  Mamoru Nozomi

IPC分类号： G03G5/04 ,  G03G5/14 ,  G03G5/147

CPC分类号： G03G5/14791 ,  G03G5/1473

摘要： An electrophotographic photoreceptor according to this invention has an electrically conductive support, a charge-generation layer, a charge-transport layer and a protective layer which consists essentially of a thermo-setting silicone resin and a polyvinyl acetal resin.The electrophotographic photoreceptor according to this invention has improved durability in repeated copying operations due to the inclusion of the polyvinyl acetal resin into the protective layer.

摘要翻译： 根据本发明的电子照相感光体具有导电性载体，电荷产生层，电荷传输层和保护层，其基本上由热固性硅树脂和聚乙烯醇缩醛树脂组成。 根据本发明的电子照相感光体由于将聚乙烯醇缩醛树脂包含在保护层中而具有改进的反复复印操作的耐久性。

公开(公告)号：US07217483B2

公开(公告)日：2007-05-15

申请号：US11150271

申请日：2005-06-13

申请人： Mamoru Nozomi ,  Kazutaka Ida ,  Mitsuo Wada

发明人： Mamoru Nozomi ,  Kazutaka Ida ,  Mitsuo Wada

IPC分类号： G03G5/00

CPC分类号： G03G5/047 ,  G03G5/051 ,  G03G5/0517 ,  G03G5/056 ,  G03G5/0616 ,  G03G5/0666 ,  G03G5/0668 ,  G03G5/0672 ,  G03G5/0677

摘要： The present invention provides an electrophotographic photoreceptor which has high light resistance, has high durability in exposure to oxidizing gases such as ozone and NOx, is excellent in mechanical properties such as printing durability, wearing resistance, marring resistance, and slip properties in repetitions of use, and further has excellent electrical properties. Specifically, the present invention provides an electrophotographic photoreceptor having an electroconductive substrate and provided thereon at least a photosensitive layer having a charge generation material, a charge transport material, and a binder resin.

摘要翻译： 本发明提供一种具有高耐光性，在暴露于臭氧和NO x等氧化性气体中的高耐久性的电子照相感光体，其机械性能如印刷耐久性，耐磨性，防结块性优异 ，以及重复使用时的滑动性，并且还具有优异的电性能。 具体而言，本发明提供一种电子照相感光体，其具有导电性基体，并且至少设置有具有电荷产生材料，电荷输送材料和粘合剂树脂的光敏层。