发明名称 CARRIER AND DEVELOPER
摘要 PROBLEM TO BE SOLVED: To provide a carrier used for a developer that can perform sufficient charge control of image quality required in the field of production printing, can supply a stable amount of developer to a development area, and is used in an electrophotographic method and an electrostatic recording method for enabling continuous paper feed at a printing density of a low image area ratio in a high-speed machine using a low-temperature fixing toner.SOLUTION: There is provided a carrier comprising a resin layer including at least one or more types of fine particles, wherein at least one type of the fine particles are composed of fine particles of barium sulfate; in Ba analysis of the carrier by X-ray photoelectron spectroscopy (XPS), the amount of Ba detected is 0.3 atomic% or more, and the equivalent circle diameter of fine particles of the barium sulfate is 400 nm or more and 900 nm or less.SELECTED DRAWING: None
申请公布号 JP2016212254(A) 申请公布日期 2016.12.15
申请号 JP20150095765 申请日期 2015.05.08
申请人 RICOH CO LTD 发明人 SAKATA KOICHI;SUGANUMA TORU;SUGIMOTO SHOICHI;HIGASHIMATSU HIROSHI;KISHIDA HIROYUKI;MASUKO KENICHI;TANO TOYOAKI
分类号 G03G9/113;G03G9/09 主分类号 G03G9/113
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