发明名称 TONER, IMAGE FORMING METHOD, PROCESS CARTRIDGE AND DEVELOPING UNIT
摘要 PROBLEM TO BE SOLVED: To provide a toner having excellent low temperature fixability and preventing problems from occurring such as fog, dropping and decrease in the density even in a long-term use in a high temperature and high humidity environment, and to provide an image forming method, a process cartridge and a developing unit using the toner. SOLUTION: The toner comprises toner particles containing a binder resin, a colorant, a resin containing a sulfur atom, and a wax, and at least a silica fine powder and a titanium oxide fine powder externally added to the toner particles, wherein the titanium oxide fine powder has a primary particle diameter of 35 to 500 nm and is subjected to a hydrophobicizing treatment. The toner is used for the image forming method, the process cartridge and the developing unit. COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2009122702(A) 申请公布日期 2009.06.04
申请号 JP20090054611 申请日期 2009.03.09
申请人 CANON INC 发明人 HASHIMOTO YASUHIRO;INABA KOJI;KAWAMOTO KEIJI;SUZUKI KIYOKAZU;HANDA TOMOHITO;WATANABE SHUNTARO
分类号 G03G9/097;G03G9/08 主分类号 G03G9/097
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