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 代理人
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