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1. 发明申请

WO1998026332A1 CARRIER FOR ELECTROPHOTOGRAPHY AND DEVELOPER USING THE CARRIER 审中-公开
标题翻译：使用载体的电子摄影和开发者的载体
公开(公告)号：WO1998026332A1
公开(公告)日：1998-06-18
申请号：PCT/JP1997004563
申请日：1997-12-11
申请人： IDEMITSU KOSAN CO., LTD. , KYOCERA CORPORATION , MATSUZAKI, Shigeo , ARAKANE, Takashi , MURAKATA, Kazuo , KIKUCHI, Susumu
发明人： IDEMITSU KOSAN CO., LTD. , KYOCERA CORPORATION
IPC分类号： G03G09/113
CPC分类号： G03G9/1139 , G03G9/10 , G03G9/113 , G03G9/1133 , G03G9/1136 , G03G9/1138
摘要： A carrier for electrophotography making the most of excellent characteristics of a carrier having a polyolefinic resin coating, being freely adjustable of its charge quantity and its static resistance, being also obtainable of an image having a stable density and being able to effectively prevent external additives from being spent due to adhesion of the external additives, and a developer for electrophotography using this carrier. In a carrier for electrophotography including a carrier core material having magnetism and a coating layer consisting of a high molecular weight polyethylene resin covering the surface of the carrier core material, the coating layer consisting of the high molecular weight polyethylene resin includes, at least as the outermost layer, a layer containing magnetic powder the cubic shape of which is a convexed polyheral body encompassed by at least six flat and/or curved surfaces, or a layer containing this magnetic powder, silica and/or a fine particle resin.
摘要翻译：具有聚烯烃树脂涂层的载体的极好特性的电子照相载体可以自由调整其电荷量和静电阻，也可获得具有稳定密度且能够有效防止外部添加剂的图像由于外部添加剂的粘附而消耗，并且使用该载体的电子照相用显影剂。在包括具有磁性的载体芯材料和由覆盖载体芯材料的表面的高分子量聚乙烯树脂构成的涂层的电子照相载体中，由高分子量聚乙烯树脂构成的涂层至少包括最外层，包含磁性粉末的层，其立方体为由至少六个平坦和/或弯曲表面包围的凸形多孔体，或包含该磁性粉末，二氧化硅和/或细颗粒树脂的层。

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