发明名称 |
TONER |
摘要 |
There is provided a toner including toner base particles and an external additive in which the external additive is prevented from being buried in the base particles. The toner can maintain a high transfer efficiency over an extended period of use. The toner includes: (1) toner base particles containing a cycloolefin copolymer and a polyethylene; or (2) toner base particles whose surfaces contain a resin having an elastic deformation rate of 70% or more and a melting temperature of 125.0° C. or less. |
申请公布号 |
US2016334724(A1) |
申请公布日期 |
2016.11.17 |
申请号 |
US201615153452 |
申请日期 |
2016.05.12 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
Fukatsu Makoto;Haraguchi Manami;Nakamoto Atsushi;Kato Masayoshi;Kemmochi Kazuhisa;Kawamoto Takahiro;Yamamoto Takeshi |
分类号 |
G03G9/087 |
主分类号 |
G03G9/087 |
代理机构 |
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代理人 |
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主权项 |
1. A toner comprising:
toner base particles; and an external additive, wherein surfaces of the toner base particles contain a cycloolefin copolymer and a polyethylene, and the polyethylene has a density of less than 0.930 g/cm3 and a weight average molecular weight in the range of from 10 thousand to 5 million. |
地址 |
Tokyo JP |