发明名称 TONER, DEVELOPER, TONER-CONTAINING CONTAINER, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
摘要 PROBLEM TO BE SOLVED: To provide a toner which is adaptable to a low-temperature fixing system, has good offset resistance, does not soil a fixing device and an image and can form high-quality images with good sharpness over a long period of time, and to provide a developer, a toner-containing container, a process cartridge, an image forming apparatus and an image forming method using the toner. SOLUTION: The toner includes at least a binder resin, a release agent and a fixing aid, wherein the binder resin includes a polyester resin, this polyester resin is obtained by condensation polymerization of an alcohol component including≥65 mol% of 1,2-propanediol in a dihydric alcohol component and a carboxylic acid component including purified rosin, the polyester resin has a softening point of 80 to <160°C, and the fixing aid has a melting point of 50 to <150°C and is included in a crystal domain state in the toner. COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2008281884(A) 申请公布日期 2008.11.20
申请号 JP20070127418 申请日期 2007.05.11
申请人 RICOH CO LTD 发明人 SUGIMOTO TSUTOMU;KOBAN AKIHIRO;NAKAYAMA SHINYA;SABE AKIYOSHI;YAMASHITA YUJI;YAMADA HIROSHI;AWAMURA JUNICHI
分类号 G03G9/087;G03G9/08 主分类号 G03G9/087
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