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1. 发明授权

US09029055B2 Magnetic toner 有权
标题翻译：磁性调色剂
公开(公告)号：US09029055B2
公开(公告)日：2015-05-12
申请号：US13510283
申请日：2011-05-25
申请人： Kozue Aoki , Yusuke Hasegawa , Yoshitaka Suzumura
发明人： Kozue Aoki , Yusuke Hasegawa , Yoshitaka Suzumura
IPC分类号： G03G9/083 , G03G9/08
CPC分类号： G03G9/0835 , G03G9/0802 , G03G9/0804 , G03G9/0833 , G03G9/0834 , G03G9/0836
摘要： A magnetic toner which has superior charging stability and charging uniformity, maintains stable developing performance without any dependence on service environments and may less cause any decrease in image density and any image defects such as fog and ghost, the magnetic toner has magnetic toner particles, each of the magnetic toner particles has magnetic toner base particle containing a binder resin and a magnetic material, and an inorganic fine powder, (a) the magnetic toner having, at a frequency of 100 kHz and a temperature of 30° C., a dielectric loss factor (∈″) of 2.5×10−1 pF/m or more and 7.0×10−1 pF/m or less and a dielectric dissipation factor (tan δL) of 3.0×10−2 or less, (b) the magnetic toner having, in a dielectric dissipation factor (tan δ) thereof at a frequency of 100 kHz, a maximum value (tan δH) within the temperature range of 60° C. to 140° C.; and the tan δH and the tan δL satisfying (tan δH−tan δL)≦3.0×10−2.
摘要翻译：具有优异的充电稳定性和充电均匀性的磁性调色剂在不依赖使用环境的情况下保持稳定的显影性能，并且可能较少导致图像浓度和任何图像缺陷（如雾和重影）的任何降低，磁性调色剂具有磁性调色剂颗粒的磁性调色剂颗粒具有含有粘合剂树脂和磁性材料的磁性调色剂基础颗粒和无机细粉末，（a）磁性调色剂在100kHz的频率和30℃的温度下具有介电 2.5×10-1pF / m以上的损耗因子（∈“）和7.0×10-1pF / m以下的介电损耗因数（tanδL）为3.0×10 -2以下，（b）在100kHz的频率的介电损耗因数（tanδ）中，在60℃〜140℃的温度范围内具有最大值（tanδH）的磁性调色剂。 tanδH和tanδL满足（tanδH-tanδL）＆nlE; 3.0×10-2。

2. 发明申请

US20120231384A1 MAGNETIC TONER 有权
标题翻译：磁性墨粉
公开(公告)号：US20120231384A1
公开(公告)日：2012-09-13
申请号：US13510283
申请日：2011-05-25
申请人： Kozue Aoki , Yusuke Hasegawa , Yoshitaka Suzumura
发明人： Kozue Aoki , Yusuke Hasegawa , Yoshitaka Suzumura
IPC分类号： G03G9/087
CPC分类号： G03G9/0835 , G03G9/0802 , G03G9/0804 , G03G9/0833 , G03G9/0834 , G03G9/0836
摘要： A magnetic toner which has superior charging stability and charging uniformity, maintains stable developing performance without any dependence on service environments and may less cause any decrease in image density and any image defects such as fog and ghost, the magnetic toner has magnetic toner particles, each of the magnetic toner particles has magnetic toner base particle containing a binder resin and a magnetic material, and an inorganic fine powder, (a) the magnetic toner having, at a frequency of 100 kHz and a temperature of 30° C., a dielectric loss factor (ε″) of 2.5×10−1 pF/m or more and 7.0×10−1 pF/m or less and a dielectric dissipation factor (tan δL) of 3.0×10−2 or less, (b) the magnetic toner having, in a dielectric dissipation factor (tan Δ) thereof at a frequency of 100 kHz, a maximum value (tan δH) within the temperature range of 60° C. to 140° C.; and the tan δH and the tan δL satisfying (tan δH−tan δL)≦3.0×10−2.
摘要翻译：具有优异的充电稳定性和充电均匀性的磁性调色剂在不依赖使用环境的情况下保持稳定的显影性能，并且可能较少导致图像浓度和任何图像缺陷（如雾和重影）的任何降低，磁性调色剂具有磁性调色剂颗粒的磁性调色剂颗粒具有含有粘合剂树脂和磁性材料的磁性调色剂基础颗粒和无机细粉末，（a）磁性调色剂在100kHz的频率和30℃的温度下具有介电 2.5×10-1pF / m以上且7.0×10-1pF / m以下的损耗因子（＆egr“）和介电损耗因数（tanδL）为3.0×10 -2以下，（b）磁性调色剂在100kHz的频率的介电损耗因数（tan＆Dgr））中，在60℃至140℃的温度范围内具有最大值（tanδH）。 tanδH和tanδL满足（tanδH-tanδL）＆nlE; 3.0×10-2。

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