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公开(公告)号：US09864293B2
公开(公告)日：2018-01-09
申请号：US15223771
申请日：2016-07-29
申请人： FUJI XEROX CO., LTD.
CPC分类号： G03G9/1133 , G03G9/113 , G03G9/1132
摘要： An electrostatic charge image developing carrier includes magnetic particles and a resin coating layer which covers the magnetic particles, wherein a sulfate ion concentration of the resin coating layer is 0.05% by weight or less with respect to a total weight of the resin coating layer, and when a total value of a molar amount of sulfate ions contained and a molar amount of sulfo groups contained per 1 g of the resin coating layer is A mol and a molar amount of sodium ions contained per 1 g of the resin coating layer is B mol, a relationship of 0.1
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公开(公告)号：US09910372B2
公开(公告)日：2018-03-06
申请号：US15335972
申请日：2016-10-27
申请人： FUJI XEROX CO., LTD.
发明人： Moegi Iguchi , Sakon Takahashi , Takeshi Tanabe , Hiroshi Kamada , Yasuaki Hashimoto , Masaaki Usami , Yuka Zenitani , Yuta Saeki , Hiroaki Saijo
CPC分类号： G03G9/0819 , G03G9/0808 , G03G9/0827 , G03G9/08755 , G03G9/08795 , G03G9/08797 , G03G9/0918 , G03G9/09716 , G03G9/09725 , G03G9/09791 , G03G9/1075 , G03G9/1133 , G03G15/0865
摘要： An electrostatic charge image developing toner includes: toner particles; first silica particles having an average circularity of 0.9 to 1.0, a particle size distribution index of 1.05 to 1.25, and a compression aggregation degree of 60% to 95%; and second silica particles having an average circularity of 0.9 to 1.0, a particle size distribution index of 1.05 to 1.25, and a compression aggregation degree of 60% to 95%, wherein, when an average primary particle diameter of the first silica particles is set as Da (nm) and an average primary particle diameter of the second silica particles is set as Db (nm), relationships of the following Expressions (A1) to (A3) are satisfied: Expression (A1): 80≦Da≦120, Expression (A2): 120≦Db≦200, and Expression (A3): 10≦Db−Da≦120.
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3.发明授权Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge 有权静电荷图像显影调色剂，静电荷图像显影剂和调色剂盒公开(公告)号：US09535349B2
公开(公告)日：2017-01-03
申请号：US14812248
申请日：2015-07-29
申请人： FUJI XEROX CO., LTD.
发明人： Motoko Sakai , Shuji Sato , Yosuke Tsurumi , Masaaki Usami , Takuro Watanabe
CPC分类号： G03G9/0819 , G03G9/08755 , G03G9/09 , G03G9/0902 , G03G9/09791
摘要： An electrostatic charge image developing toner includes a toner particles containing a binder resin and a metallic pigment and aliphatic acid metal salt particles as an external additive in an amount of from 0.1 parts by weight to 2.0 parts by weight with respect to 100 parts by weight of the toner particles, wherein the toner particles have an average circle equivalent diameter D longer than an average C of a maximum thickness of the toner particles.
摘要翻译： 静电荷图像显影调色剂包括含有粘合剂树脂和金属颜料的调色剂颗粒和作为外部添加剂的脂族酸金属盐颗粒，相对于100重量份的100重量份的 调色剂颗粒，其中调色剂颗粒具有比调色剂颗粒的最大厚度的平均C长的平均圆当量直径D。
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公开(公告)号：US10025210B2
公开(公告)日：2018-07-17
申请号：US15344414
申请日：2016-11-04
申请人： FUJI XEROX CO., LTD.
发明人： Takeshi Tanabe , Sakon Takahashi , Yasuaki Hashimoto , Masaaki Usami , Yuka Zenitani , Hiroshi Kamada , Moegi Iguchi , Yuta Saeki , Hiroaki Saijo
摘要： An electrostatic charge image developing toner includes toner particles, silica particles having an average particle diameter of 80 nm to 200 nm, lubricant particles N which has negatively chargeable property, and lubricant particles P which has positively chargeable property, wherein a content (s) of the silica particles, a content (n) of the lubricant particles N, and a content (p) of the lubricant particles P satisfy relationships of Expression (1): 0.002≤p/s≤0.2; and Expression (2): 0.02≤n/s≤0.5.
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公开(公告)号：US09885969B2
公开(公告)日：2018-02-06
申请号：US15227662
申请日：2016-08-03
申请人： FUJI XEROX CO., LTD.
CPC分类号： G03G9/1133 , G03G9/0819 , G03G9/0821 , G03G9/1131 , G03G9/1132 , G03G9/1134 , G03G9/1135 , G03G9/1136 , G03G9/1137
摘要： A carrier for two-component developer includes a magnetic particle and a resin coating layer that covers the magnetic particle and contains a resin, wherein a weight average molecular weight of the resin contained in the resin coating layer is from 1,800,000 to 5,000,000.
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公开(公告)号：US09639014B2
公开(公告)日：2017-05-02
申请号：US14819939
申请日：2015-08-06
申请人： FUJI XEROX CO., LTD.
发明人： Yosuke Tsurumi , Motoko Sakai , Takuro Watanabe , Masaaki Usami
CPC分类号： G03G9/0823 , G03G9/107 , G03G9/1075
摘要： An electrostatic charge image developer includes an electrostatic charge image developing carrier containing a ferrite particle and an electrostatic charge image developing toner containing metallic particles whose resistance is from 1010 Ωcm to 1013 Ωcm in an electric field of 10,000 V/cm, wherein the electrostatic charge image developing carrier satisfies the following formula (1): 0.9≦RB/RA≦1.0 (1), wherein RA represents the resistance of the electrostatic charge image developing carrier in an electric field of 2,400 V/cm, and RB represents the resistance of the electrostatic charge image developing carrier in an electric field of 19,200 V/cm.
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