公开(公告)号：US20140205323A1

公开(公告)日：2014-07-24

申请号：US14238292

申请日：2012-08-08

申请人： Hiroaki Watanabe ,  Masaaki Harada ,  Keiji Nose

发明人： Hiroaki Watanabe ,  Masaaki Harada ,  Keiji Nose

IPC分类号： G03G15/02 ,  H01B1/12

CPC分类号： G03G15/02 ,  G03G15/0233

摘要： The present invention provides a charging member which has a low compression set and which can suppress the generation of image defects.A layer of an unvulcanized rubber composition including an unvulcanized acrylonitrile butadiene rubber and N,N′-methylenebis(1,4-phenylene)dimaleimide is vulcanized.

摘要翻译： 本发明提供一种具有低压缩永久变形并能抑制图像缺陷的产生的充电部件。 硫化含有未硫化丙烯腈丁二烯橡胶和N，N'-亚甲基双（1,4-亚苯基）二马来酰亚胺的未硫化橡胶组合物层。

公开(公告)号：US08750762B2

公开(公告)日：2014-06-10

申请号：US13028129

申请日：2011-02-15

申请人： Masaaki Harada ,  Hiroaki Watanabe ,  Keiji Nose

发明人： Masaaki Harada ,  Hiroaki Watanabe ,  Keiji Nose

IPC分类号： G03G15/02

CPC分类号： C08L15/00 ,  C08K3/04 ,  C08K2201/001 ,  G03G15/0233

摘要： To provide a charging member that can have a uniform electrical resistance, can not easily change in electrical resistance even by any long-term continuous electrification and, as a result thereof, may cause less change in its charging performance with time. A charging member having a conductive support and an elastic-material layer; the elastic-material layer comprising a vulcanized rubber; the vulcanized rubber being a vulcanized product of a composition which comprises i) a binder polymer comprising a polymer having a butadiene skeleton and ii) carbon black as electrically conductive particles; and the polymer having a butadiene skeleton has a molecular terminal modified with an atomic group having a specific structure.

摘要翻译： 为了提供可以具有均匀电阻的充电部件，即使长时间连续带电也不能容易地改变电阻，其结果可能导致充电性能随时间的变化较小。 具有导电支撑体和弹性材料层的充电构件; 所述弹性材料层包含硫化橡胶; 硫化橡胶是组合物的硫化产品，其包含i）包含具有丁二烯骨架的聚合物和ii）作为导电颗粒的炭黑的粘合剂聚合物; 并且具有丁二烯骨架的聚合物具有用具有特定结构的原子团修饰的分子末端。

公开(公告)号：US20110176833A1

公开(公告)日：2011-07-21

申请号：US13028129

申请日：2011-02-15

申请人： Masaaki Harada ,  Hiroaki Watanabe ,  Keiji Nose

发明人： Masaaki Harada ,  Hiroaki Watanabe ,  Keiji Nose

IPC分类号： G03G15/02

CPC分类号： C08L15/00 ,  C08K3/04 ,  C08K2201/001 ,  G03G15/0233

摘要： To provide a charging member that can have a uniform electrical resistance, can not easily change in electrical resistance even by any long-term continuous electrification and, as a result thereof, may cause less change in its charging performance with time. A charging member having a conductive support and an elastic-material layer; the elastic-material layer comprising a vulcanized rubber; the vulcanized rubber being a vulcanized product of a composition which comprises i) a binder polymer comprising a polymer having a butadiene skeleton and ii) carbon black as electrically conductive particles; and the polymer having a butadiene skeleton has a molecular terminal modified with an atomic group having a specific structure.

摘要翻译： 为了提供可以具有均匀电阻的充电部件，即使长时间连续带电也不能容易地改变电阻，其结果可能导致充电性能随时间的变化较小。 具有导电支撑体和弹性材料层的充电构件; 所述弹性材料层包含硫化橡胶; 硫化橡胶是组合物的硫化产品，其包含i）包含具有丁二烯骨架的聚合物和ii）作为导电颗粒的炭黑的粘合剂聚合物; 并且具有丁二烯骨架的聚合物具有用具有特定结构的原子团修饰的分子末端。

公开(公告)号：US08923732B2

公开(公告)日：2014-12-30

申请号：US13695781

申请日：2012-07-02

申请人： Masaaki Harada ,  Hiroaki Watanabe ,  Keiji Nose

发明人： Masaaki Harada ,  Hiroaki Watanabe ,  Keiji Nose

IPC分类号： G03G15/02

CPC分类号： G03G15/0233

摘要： Provided is a charging member capable of suppressing occurrence of compression set while having flexibility enough to ensure a nip with a photosensitive member. The charging member comprises a support and an elastic layer, wherein the elastic layer has an MD-1 hardness of from 55 to 85° at the surface thereof, and has a universal hardness of 2.0 to 20.0 N/mm2 at an indentation depth of 5 μm from the surface thereof.

摘要翻译： 提供一种能够抑制压缩变形的发生的充电构件，同时具有足够的灵活性以确保与感光构件的压区。 充电构件包括支撑体和弹性层，其中弹性层在其表面具有55至85°的MD-1硬度，并且在压痕深度为5时具有2.0至20.0N / mm 2的通用硬度 μm。

公开(公告)号：US08481167B2

公开(公告)日：2013-07-09

申请号：US13416901

申请日：2012-03-09

申请人： Hiroaki Watanabe ,  Masaaki Harada ,  Keiji Nose

发明人： Hiroaki Watanabe ,  Masaaki Harada ,  Keiji Nose

IPC分类号： B32B27/00 ,  G03G15/02

CPC分类号： G03G15/0233 ,  Y10T428/31855

摘要： Provided is a charging member having an elastic layer to which components derived from a developer hardly adhere even when the charging member is used for a long time period and in which elastic layer the occurrence of compression set is suppressed The charging member includes: a electroconductive support; and a electroconductive elastic layer, in which the elastic layer is formed through irradiation of an electron beam onto a surface of a rubber layer formed of a crosslinked product of a rubber mixture containing an acrylonitrile-butadiene rubber and a styrene-butadiene rubber; the styrene-butadiene rubber has a 1,2-vinyl bond, and at least one selected from a cis-1,4 bond and a trans-1,4 bond; and a ratio of the numbers of moles of the 1,4 bonds to a total number of moles of the 1,2-vinyl bond, the cis-1,4 bond, and the trans-1,4 bond is 31 mol % or more and 61 mol % or less.

摘要翻译： 提供一种具有弹性层的充电构件，即使长时间使用充电构件，并且其中压缩变形的发生被抑制，来自显影剂的成分几乎不粘附到弹性层。充电构件包括：导电支撑体 ; 以及导电弹性层，其中通过将电子束照射在由含有丙烯腈 - 丁二烯橡胶和苯乙烯 - 丁二烯橡胶的橡胶混合物的交联产物形成的橡胶层的表面上形成弹性层; 苯乙烯 - 丁二烯橡胶具有1,2-乙烯基键，并且选自顺式-1,4键和反式-1,4-键中的至少一种; 并且1,4-键的摩尔数与1,2-乙烯基键，顺式-1,4键和反式-1,4-键的总摩尔数的比率为31摩尔％，或 更多和61摩尔％以下。

公开(公告)号：US08440307B2

公开(公告)日：2013-05-14

申请号：US13323778

申请日：2011-12-12

申请人： Keiji Nose ,  Masaaki Harada ,  Hiroaki Watanabe

发明人： Keiji Nose ,  Masaaki Harada ,  Hiroaki Watanabe

IPC分类号： B32B27/00 ,  B05D5/12

CPC分类号： G03G15/0233 ,  Y10T428/31504 ,  Y10T428/3154

摘要： Provided is a charging member in which the hardness of its surface is increased while surface free energy is kept low, the surface is hard to scratch even in long-term use, and a toner or the like is hard to adhere to the surface. The charging member according to the present invention includes a conductive support, a conductive elastic layer, and a surface region containing a cured material of a compound represented by the following formula (1): wherein n represents an integer of 0-6, m represents an integer of 0-6, the total of n and m is from 2 to 6, x and y each independently represent an integer of 0-4, and R1 and R2 each independently represent a hydrogen atom or a methyl group.

摘要翻译： 提供了一种充电部件，其表面的硬度在表面自由能保持较低的同时增加，即使长期使用也难以划伤表面，并且调色剂等难以附着在表面上。 根据本发明的充电元件包括​​导电支撑体，导电弹性层和含有由下式（1）表示的化合物的固化物的表面区域：其中n表示0-6的整数，m表示 0-6的整数，n和m的总和为2至6，x和y各自独立地表示0-4的整数，并且R 1和R 2各自独立地表示氢原子或甲基。

公开(公告)号：US20120082852A1

公开(公告)日：2012-04-05

申请号：US13323778

申请日：2011-12-12

申请人： Keiji Nose ,  Masaaki Harada ,  Hiroaki Watanabe

发明人： Keiji Nose ,  Masaaki Harada ,  Hiroaki Watanabe

IPC分类号： B32B9/04 ,  B05D5/12

CPC分类号： G03G15/0233 ,  Y10T428/31504 ,  Y10T428/3154

摘要： Provided is a charging member in which the hardness of its surface is increased while surface free energy is kept low, the surface is hard to scratch even in long-term use, and a toner or the like is hard to adhere to the surface. The charging member according to the present invention includes a conductive support, a conductive elastic layer, and a surface region containing a cured material of a compound represented by the following formula (1): wherein n represents an integer of 0-6, m represents an integer of 0-6, the total of n and m is from 2 to 6, x and y each independently represent an integer of 0-4, and R1 and R2 each independently represent a hydrogen atom or a methyl group.

摘要翻译： 提供了一种充电部件，其表面的硬度在表面自由能保持较低的同时增加，即使长期使用也难以划伤表面，并且调色剂等难以附着在表面上。 根据本发明的充电元件包括​​导电支撑体，导电弹性层和含有由下式（1）表示的化合物的固化物的表面区域：其中n表示0-6的整数，m表示 0-6的整数，n和m的总和为2至6，x和y各自独立地表示0-4的整数，并且R 1和R 2各自独立地表示氢原子或甲基。

公开(公告)号：US09008552B2

公开(公告)日：2015-04-14

申请号：US14238292

申请日：2012-08-07

申请人： Hiroaki Watanabe ,  Masaaki Harada ,  Keiji Nose

发明人： Hiroaki Watanabe ,  Masaaki Harada ,  Keiji Nose

IPC分类号： G03G15/02 ,  F16C13/00

CPC分类号： G03G15/02 ,  G03G15/0233

摘要： The present invention provides a charging member which has a low compression set and which can suppress the generation of image defects.A layer of an unvulcanized rubber composition including an unvulcanized acrylonitrile butadiene rubber and N,N′-methylenebis(1,4-phenylene)dimaleimide is vulcanized.

摘要翻译： 本发明提供一种具有低压缩永久变形并能抑制图像缺陷的产生的充电部件。 硫化含有未硫化丙烯腈丁二烯橡胶和N，N'-亚甲基双（1,4-亚苯基）二马来酰亚胺的未硫化橡胶组合物层。

公开(公告)号：US20120141161A1

公开(公告)日：2012-06-07

申请号：US13372454

申请日：2012-02-13

申请人： Hiroaki Watanabe ,  Masaaki Harada ,  Keiji Nose

发明人： Hiroaki Watanabe ,  Masaaki Harada ,  Keiji Nose

IPC分类号： G03G15/02

CPC分类号： G03G15/0233 ,  Y10T428/25 ,  Y10T428/31931

摘要： To provide a charging member that can not easily change in electrical resistance even by any long-term continuous application of direct-current voltage and, as a result thereof, may cause less change in its charging performance with time. The charging member has an electrically conductive support and an electrically conductive elastic layer. The elastic layer contains a vulcanized rubber. The vulcanized rubber is a vulcanized product of a mixture which contains i) a binder polymer containing a polymer having a butadiene skeleton and ii) carbon black, where the polymer having a butadiene skeleton stands modified at the molecular terminal(s) thereof with a group represented by the following formulas (1) or (2).

摘要翻译： 为了提供即使长期连续施加直流电压也不能容易地改变电阻的充电元件，并且作为其结果，可能导致充电性能随时间的变化较小。 充电构件具有导电支撑件和导电弹性层。 弹性层含有硫化橡胶。 硫化橡胶是混合物的硫化产物，其包含i）含有具有丁二烯骨架的聚合物的粘合剂聚合物和ii）具有丁二烯骨架的聚合物在其分子末端被修饰的基团和基团 由下式（1）或（2）表示。

公开(公告)号：US08538298B2

公开(公告)日：2013-09-17

申请号：US13286899

申请日：2011-11-01

申请人： Masaaki Harada ,  Toshiro Suzuki ,  Hiroaki Watanabe ,  Taichi Sato ,  Keiji Nose

发明人： Masaaki Harada ,  Toshiro Suzuki ,  Hiroaki Watanabe ,  Taichi Sato ,  Keiji Nose

IPC分类号： G03G15/02

CPC分类号： G03G15/0233

摘要： To provide a charging member that can not easily cause faulty cleaning. A charging member having a conductive support and an elastic layer that is a surface layer; the elastic layer having on its surface a region having been cured by irradiation with electron rays, where the region having been cured supports at least one type of spherical particles of spherical silica particles, spherical alumina particles and spherical zirconia particles in such a state that the spherical particles are exposed at least in part to the surface of the elastic layer so as to make the surface roughened.

摘要翻译： 提供不容易导致清洗不良的充电部件。 具有导电支撑体和作为表层的弹性层的充电构件; 弹性层的表面具有通过电子束照射而固化的区域，其中固化区域至少支持一种球形二氧化硅颗粒，球形氧化铝颗粒和球形氧化锆颗粒的球形颗粒， 球形颗粒至少部分地暴露于弹性层的表面，以使表面变粗糙。